diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..881c610 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,22 @@ +# EditorConfig is awesome: http://EditorConfig.org + +# top-most EditorConfig file +root = true + +# Unix-style newlines with a newline ending every file +[*] +end_of_line = lf +insert_final_newline = true + +# Set default charset +charset = utf-8 + +# 4 space indentation +indent_style = space +indent_size = 4 + +[Makefile] +indent_style = tab + +[CMakeLists.txt] +indent_size = 2 diff --git a/.gitignore b/.gitignore index fcb6a2f..993f8c5 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ build +.vscode diff --git a/CMakeLists.txt b/CMakeLists.txt index 9999d5a..77a0905 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,33 +1,11 @@ cmake_minimum_required(VERSION 3.15) project(eco2d) -find_package(raylib 3.5 QUIET) - -if (NOT raylib_FOUND) - include(FetchContent) - - FetchContent_Declare( - raylib - URL https://github.com/raysan5/raylib/archive/master.tar.gz - ) - - FetchContent_GetProperties(raylib) - if (NOT raylib_POPULATED) - set(FETCHCONTENT_QUIET NO) - FetchContent_Populate(raylib) - - set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) - - # build raylib - add_subdirectory(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR}) - endif() -endif() - - set(CMAKE_C_STANDARD 11) -add_executable(eco2d code/apps/client/main.c) +include_directories(eco2d-client code/vendors) +include_directories(eco2d-server code/vendors) +set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/) -include_directories(eco2d code/vendors) - -target_link_libraries(eco2d raylib) +add_subdirectory(code/apps/client) +add_subdirectory(code/apps/server) diff --git a/code/apps/client/CMakeLists.txt b/code/apps/client/CMakeLists.txt new file mode 100644 index 0000000..e0c81a8 --- /dev/null +++ b/code/apps/client/CMakeLists.txt @@ -0,0 +1,34 @@ +find_package(raylib 3.5 QUIET) + +if (NOT raylib_FOUND) + include(FetchContent) + + FetchContent_Declare( + raylib + URL https://github.com/raysan5/raylib/archive/master.tar.gz + ) + + FetchContent_GetProperties(raylib) + if (NOT raylib_POPULATED) + set(FETCHCONTENT_QUIET NO) + FetchContent_Populate(raylib) + + set(BUILD_EXAMPLES OFF CACHE BOOL "" FORCE) + + add_subdirectory(${raylib_SOURCE_DIR} ${raylib_BINARY_DIR}) + endif() +endif() + +add_executable(eco2d-client + source/main.c + source/network.c + source/renderer.c + source/game.c + + header/renderer.h + header/network.h + header/game.h +) + +include_directories(header/) +target_link_libraries(eco2d-client raylib) diff --git a/code/apps/client/header/game.h b/code/apps/client/header/game.h new file mode 100644 index 0000000..6d1dc61 --- /dev/null +++ b/code/apps/client/header/game.h @@ -0,0 +1,8 @@ + + +void game_init(); +void game_shutdown(); + +void game_input(); +void game_update(); +void game_render(); diff --git a/code/apps/client/header/network.h b/code/apps/client/header/network.h new file mode 100644 index 0000000..019dafa --- /dev/null +++ b/code/apps/client/header/network.h @@ -0,0 +1,2 @@ +#include "librg.h" + diff --git a/code/apps/client/header/renderer.h b/code/apps/client/header/renderer.h new file mode 100644 index 0000000..acfad71 --- /dev/null +++ b/code/apps/client/header/renderer.h @@ -0,0 +1,5 @@ + +void gfx_init(); +void gfx_shutdown(); + +void gfx_render(); diff --git a/code/apps/client/main.c b/code/apps/client/main.c deleted file mode 100644 index 78d7fb9..0000000 --- a/code/apps/client/main.c +++ /dev/null @@ -1,44 +0,0 @@ -#include "raylib.h" - -// #define LIBRG_IMPL -#include "librg.h" - -int main(void) -{ - // Initialization - //-------------------------------------------------------------------------------------- - const int screenWidth = 800; - const int screenHeight = 450; - - InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window"); - - SetTargetFPS(60); // Set our game to run at 60 frames-per-second - //-------------------------------------------------------------------------------------- - - // Main game loop - while (!WindowShouldClose()) // Detect window close button or ESC key - { - // Update - //---------------------------------------------------------------------------------- - // TODO: Update your variables here - //---------------------------------------------------------------------------------- - - // Draw - //---------------------------------------------------------------------------------- - BeginDrawing(); - - ClearBackground(RAYWHITE); - - DrawText("Congrats! You created your first window!", 190, 200, 20, LIGHTGRAY); - - EndDrawing(); - //---------------------------------------------------------------------------------- - } - - // De-Initialization - //-------------------------------------------------------------------------------------- - CloseWindow(); // Close window and OpenGL context - //-------------------------------------------------------------------------------------- - - return 0; -} diff --git a/code/apps/client/source/game.c b/code/apps/client/source/game.c new file mode 100644 index 0000000..7a3e238 --- /dev/null +++ b/code/apps/client/source/game.c @@ -0,0 +1,24 @@ +#include "game.h" +#include "renderer.h" + +void game_init() { + gfx_init(); +} + +void game_shutdown() { + gfx_shutdown(); +} + + +void game_input() { + +} + +void game_update() { + +} + +void game_render() { + gfx_render(); +} + diff --git a/code/apps/client/source/main.c b/code/apps/client/source/main.c new file mode 100644 index 0000000..1511bba --- /dev/null +++ b/code/apps/client/source/main.c @@ -0,0 +1,17 @@ +#include "raylib.h" +#include "game.h" + +int main(void) +{ + game_init(); + + while (!WindowShouldClose()) // Detect window close button or ESC key + { + game_input(); + game_update(); + game_render(); + } + + game_shutdown(); + return 0; +} diff --git a/code/apps/client/source/network.c b/code/apps/client/source/network.c new file mode 100644 index 0000000..48e0e01 --- /dev/null +++ b/code/apps/client/source/network.c @@ -0,0 +1,6 @@ +#define ZPL_IMPL +#include "zpl.h" + +#define LIBRG_IMPL +#define LIBRG_CUSTOM_ZPL +#include "librg.h" diff --git a/code/apps/client/source/renderer.c b/code/apps/client/source/renderer.c new file mode 100644 index 0000000..bac0be1 --- /dev/null +++ b/code/apps/client/source/renderer.c @@ -0,0 +1,23 @@ +#include "renderer.h" +#include "raylib.h" +#include "zpl.h" + +const zpl_u32 screenWidth = 800; +const zpl_u32 screenHeight = 450; + +void gfx_init() { + InitWindow(screenWidth, screenHeight, "raylib [core] example - basic window"); + SetTargetFPS(60); +} + +void gfx_shutdown() { + CloseWindow(); +} + + +void gfx_render() { + BeginDrawing(); + ClearBackground(RAYWHITE); + DrawText("NOBODY EXPECTS SPANISH INQUISITION!", 190, 200, 20, RED); + EndDrawing(); +} diff --git a/code/apps/server/CMakeLists.txt b/code/apps/server/CMakeLists.txt new file mode 100644 index 0000000..bd69899 --- /dev/null +++ b/code/apps/server/CMakeLists.txt @@ -0,0 +1,9 @@ +add_executable(eco2d-server + source/main.c + source/network.c + + header/network.h +) + +include_directories(header/) +target_link_libraries(eco2d-server raylib) diff --git a/code/apps/server/header/network.h b/code/apps/server/header/network.h new file mode 100644 index 0000000..e69de29 diff --git a/code/apps/server/source/main.c b/code/apps/server/source/main.c new file mode 100644 index 0000000..9ccd42a --- /dev/null +++ b/code/apps/server/source/main.c @@ -0,0 +1,7 @@ +#define LIBRG_IMPL +#include "librg.h" + +int main(void) { + printf("hello world\n"); + return 0; +} diff --git a/code/apps/server/source/network.c b/code/apps/server/source/network.c new file mode 100644 index 0000000..e69de29 diff --git a/code/vendors/zpl.h b/code/vendors/zpl.h new file mode 100644 index 0000000..f6b54d6 --- /dev/null +++ b/code/vendors/zpl.h @@ -0,0 +1,17176 @@ +/** + ZPL - Your (almost) C99 Powerkit + +Usage: + #define ZPL_IMPLEMENTATION exactly in ONE source file right BEFORE including the library, like: + + #define ZPL_IMPLEMENTATION + #include "zpl.h" + + You can also use a freestanding version of ZPL by using ZPL_NANO, like: + + #define ZPL_IMPLEMENTATION + #define ZPL_NANO + #include "zpl.h" + +Options: + + ZPL_EDITOR - This macro should be used by the IDE's Intellisense to parse ZPL correctly. It can NEVER be used for actual compilation of the library! + ZPL_EXPOSE_TYPES - exposes all ZPL defined types to the global namespace. This means type such as `zpl_u32` is now available as `u32` globally. + ZPL_DEFINE_NULL_MACRO - to let ZPL define what NULL stands for in case it is undefined. + ZPL_NO_MATH_H - disables the use of math.h library and replaces it with custom routines or SIMD. + +Credits: + Read AUTHORS.md + +GitHub: + https://github.com/zpl-c/zpl + +Version History: + 10.11.0 - Added zpl_file_stream_buf + 10.10.3 - Math type-punning fixes + 10.10.1 - Fix memory writing issue + new write-only in-situ flag + 10.10.0 - Implement memory streaming API + 10.9.1 - Support ARMv6, ARMv7 and ARMv8-a builds + 10.9.0 - Improve the time API + 10.8.3 - zpl_file_close tempfile Windows fixes + 10.8.2 - zpl_file_temp disallow some operations + 10.8.1 - zpl_file_temp Windows fixes + 10.8.0 - Implemented zpl_json_write_string + 10.7.1 - Fix zpl_file_temp platform bug + 10.7.0 - Add zpl_file_write_contents + 10.6.6 - Fix type mismatch in Jobs system + 10.6.0 - Remove event system + 10.5.8 - Remove zpl__memcpy_4byte + 10.5.7 - zpl_file_new is now OS-agnostic constructor + 10.5.6 - Fix coroutine creation + 10.5.5 - Jobs system uses zpl_f32 for priority setting + 10.5.4 - zpl_buffer_free no longer takes the 2nd argument (allocator) + 10.5.3 - Removed crc64 and annotated some hashing methods + 10.5.2 - Don't expose ZPL types anymore + 10.5.1 - Fixed zpl_rdtsc for Emscripten + 10.5.0 - Changed casts to memcopy in random methods, added embed cmd + 10.4.1 - Jobs system now enqueues jobs with def priority of 1.0 + 10.4.0 - [META] version bump + 10.3.0 - Pool allocator now supports zpl_free_all + 10.2.0 - [META] version bump + 10.1.0 - Additional math methods (thanks to funZX and msmshazan) + 10.0.15 - WIP Emscripten fixes + 10.0.14 - FreeBSD support + 10.0.13 - OpenBSD support + 10.0.12 - Cygwin fixes + 10.0.11 - Tweak module dependencies + 10.0.10 - Fix zero-allocation regression in filesystem module + 10.0.9 - Fix multi-compilation unit builds + 10.0.8 - Fix zpl_printf "%0d" format specifier + 10.0.4 - Flush tester output to fix ordering + 10.0.3 - Fix ZPL_STATIC_ASSERT under MSVC + 10.0.0 - Major overhaul of the library + + 9.8.10 - JSON fix array-based documents with objects + 9.8.9 - JSON document structured as array now properly recognizes the root object as array. + 9.8.8 - Fixed an incorrect parsing of empty array nodes. + 9.8.7 - Improve FreeBSD support + 9.8.6 - WIP: Handle inlined methods properly + 9.8.5 - Fix incorrect usage of EOF and opts dependency on JSON5 module's methods + 9.8.4 - Fix MSVC ZPL_NO_MATH_H code branch using incorrect methods internally + 9.8.3 - Fix MinGW GCC related issue with zpl_printf %lld format + 9.8.2 - Fix VS C4190 issue + 9.8.1 - Fix several C++ type casting quirks + 9.8.0 - Incorporated OpenGL into ZPL core as an optional module + 9.7.0 - Added co-routine module + 9.6.0 - Added process module for creation and manipulation + 9.5.2 - zpl_printf family now prints (null) on NULL string arguments + 9.5.1 - Fixed JSON5 real number export support + indentation fixes + 9.5.0 - Added base64 encode/decode methods + 9.4.10- Small enum style changes + 9.4.9 - Remove #undef for cast and hard_cast (sorry) + 9.4.8 - Fix quote-less JSON node name resolution + 9.4.7 - Additional change to the code + 9.4.6 - Fix issue where zpl_json_find would have false match on substrings + 9.4.5 - Mistakes were made, fixed compilation errors + 9.4.3 - Fix old API shenanigans + 9.4.2 - Fix small API typos + 9.4.1 - Reordered JSON5 constants to integrate better with conditions + 9.4.0 - JSON5 API changes made to zpl_json_find + 9.3.0 - Change how zpl uses basic types internally + 9.2.0 - Directory listing was added. Check dirlist_api.c test for more info + 9.1.1 - Fix WIN32_LEAN_AND_MEAN redefinition properly + 9.1.0 - get_env rework and fixes + 9.0.3 - Small fixes and removals + 9.0.0 - New documentation format, removed deprecated code, changed styles + + 8.14.1 - Fix string library + 8.14.0 - Added zpl_re_match_all + 8.13.0 - Update system command API + 8.12.6 - Fix warning in CLI options parser + 8.12.5 - Support parametric options preceding positionals + 8.12.4 - Fixed opts positionals ordering + 8.12.3 - Fixed incorrect handling of flags preceding positionals + 8.12.2 - JSON parsing remark added + 8.12.1 - Fixed a lot of important stuff + 8.12.0 - Added helper constructors for containers + 8.11.2 - Fix bug in opts module + 8.11.1 - Small code improvements + 8.11.0 - Ported regex processor from https://github.com/gingerBill/gb/ and applied fixes on top of it + 8.10.2 - Fix zpl_strtok + 8.10.1 - Replace zpl_strchr by zpl_char_last_occurence + 8.10.0 - Added zpl_strchr + 8.9.0 - API improvements for JSON5 parser + 8.8.4 - Add support for SJSON formatting http://bitsquid.blogspot.com/2009/10/simplified-json-notation.html + + 6.8.3 - JSON5 exp fix + 6.8.2 - Bugfixes applied from gb + 6.8.1 - Performance improvements for JSON5 parser + 6.8.0 - zpl.h is now generated by build.py + 6.7.0 - Several fixes and added switches + 6.6.0 - Several significant changes made to the repository + 6.5.0 - Ported platform layer from https://github.com/gingerBill/gb/ + 6.4.1 - Use zpl_strlen in zpl_strdup + 6.4.0 - Deprecated zpl_buffer_free and added zpl_array_end, zpl_buffer_end + 6.3.0 - Added zpl_strdup + 6.2.1 - Remove math redundancies + 6.2.0 - Integrated zpl_math.h into zpl.h + 6.1.1 - Added direct.h include for win c++ dir methods + 6.1.0 - Added zpl_path_mkdir, zpl_path_rmdir, and few new zplFileErrors + 6.0.4 - More MSVC(++) satisfaction by fixing warnings + 6.0.3 - Satisfy MSVC by fixing a warning + 6.0.2 - Fixed warnings for json5 i64 printfs + 6.0.1 - Fixed warnings for particual win compiler in dirlist method + 6.0.0 - New build, include/ was renamed to code/ + + 5.8.3 - Naming fixes + 5.8.2 - Job system now supports prioritized tasks + 5.8.1 - Renames zpl_pad to zpl_ring + 5.8.0 - Added instantiated scratch pad (circular buffer) + 5.7.2 - Added Windows support for zpl_path_dirlist + 5.7.1 - Fixed few things in job system + macOS support for zpl_path_dirlist + 5.7.0 - Added a job system (zpl_thread_pool) + 5.6.5 - Fixes extra error cases for zpl_opts when input is: + - missing a value for an option, + - having an extra value for a flag (e.g. --enable-log shouldn't get a value.) + 5.6.4 - Several tweaks to the zpl_opts API + 5.6.3 - Added support for flags without values + 5.6.2 - Improve error handling for zpl_opts + 5.6.1 - Added support for strings with spaces in zpl_opts + 5.6.0 - Added zpl_opts for CLI argument parsing + 5.5.1 - Fixed time method for win + 5.5.0 - Integrate JSON5 writer into the core + 5.4.0 - Improved storage support for numbers in JSON5 parser + 5.3.0 - Integrated zpl_json into ZPL + 5.2.0 - Added zpl_string_sprintf + 5.1.1 - Added zpl_system_command_nores for output-less execution + 5.1.0 - Added event handler + 5.0.4 - Fix alias for zpl_list + 5.0.3 - Finalizing syntax changes + 5.0.2 - Fix segfault when using zpl_stack_memory + 5.0.1 - Small code improvements + 5.0.0 - Project structure changes + + 4.7.2 - Got rid of size arg for zpl_str_split_lines + 4.7.1 - Added an example + 4.7.0 - Added zpl_path_dirlist + 4.6.1 - zpl_memcopy x86 patch from upstream + 4.6.0 - Added few string-related functions + 4.5.9 - Error fixes + 4.5.8 - Warning fixes + 4.5.7 - Fixed timer loops. zpl_time* related functions work with seconds now + 4.5.6 - Fixed zpl_time_now() for Windows and Linux + 4.5.5 - Small cosmetic changes + 4.5.4 - Fixed issue when zpl_list_add would break the links + - when adding a new item between nodes + 4.5.3 - Fixed malformed enum values + 4.5.1 - Fixed some warnings + 4.5.0 - Added zpl_array_append_at + 4.4.0 - Added zpl_array_back, zpl_array_front + 4.3.0 - Added zpl_list + 4.2.0 - Added zpl_system_command_str + 4.1.2 - GG, fixed small compilation error + 4.1.1 - Fixed possible security issue in zpl_system_command + 4.1.0 - Added zpl_string_make_reserve and small fixes + 4.0.2 - Warning fix for _LARGEFILE64_SOURCE + 4.0.1 - include stdlib.h for getenv (temp) + 4.0.0 - ARM support, coding style changes and various improvements + + 3.4.1 - zpl_memcopy now uses memcpy for ARM arch-family + 3.4.0 - Removed obsolete code + 3.3.4 - Added Travis CI config + 3.3.3 - Small macro formatting changes + ZPL_SYSTEM_IOS + 3.3.2 - Fixes for android arm + 3.3.1 - Fixed some type cast warnings + 3.3.0 - Added Android support + 3.1.5 - Renamed userptr to user_data in timer + 3.1.4 - Fix for zpl_buffer not allocating correctly + 3.1.2 - Small fix in zpl_memcompare + 3.1.1 - Added char* conversion for data field in zpl_array_header + 3.1.0 - Added data field to zpl_array_header + 3.0.7 - Added timer userptr as argument to callback + 3.0.6 - Small changes + 3.0.5 - Fixed compilation for emscripten + 3.0.4 - Small fixes for tiny cpp warnings + 3.0.3 - Small fixes for various cpp warnings and errors + 3.0.2 - Fixed linux part, and removed trailing spaces + 3.0.1 - Small bugfix in zpl_file_open + 3.0.0 - Added several fixes and features + + 2.4.0 - Added remove to hash table + 2.3.3 - Removed redundant code + 2.3.2 - Eliminated extra warnings + 2.3.1 - Warning hunt + 2.3.0 - Added the ability to copy array/buffer and fixed bug in hash table. + 2.2.1 - Used tmpfile() for Windows + 2.2.0 - Added zpl_file_temp + 2.1.1 - Very small fix (forgive me) + 2.1.0 - Added the ability to resize bitstream + 2.0.8 - Small adjustments + 2.0.7 - MinGW related fixes + 2.0.0 - New NPM based version + + 1.2.2 - Small fix + 1.2.1 - Macro fixes + 1.2.0 - Added zpl_async macro + 1.1.0 - Added timer feature + 1.0.0 - Initial version + + This Software is dual licensed under the following licenses: + + Unlicense + This is free and unencumbered software released into the public domain. + + Anyone is free to copy, modify, publish, use, compile, sell, or + distribute this software, either in source code form or as a compiled + binary, for any purpose, commercial or non-commercial, and by any + means. + + In jurisdictions that recognize copyright laws, the author or authors + of this software dedicate any and all copyright interest in the + software to the public domain. We make this dedication for the benefit + of the public at large and to the detriment of our heirs and + successors. We intend this dedication to be an overt act of + relinquishment in perpetuity of all present and future rights to this + software under copyright law. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + For more information, please refer to + + BSD 3-Clause + + Copyright (c) 2016-2021 Dominik Madarász. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, this + list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + 3. Neither the name of the copyright holder nor the names of its contributors + may be used to endorse or promote products derived from this software without + specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + + +*/ + +#ifndef ZPL_H +#define ZPL_H + +#define ZPL_VERSION_MAJOR 10 +#define ZPL_VERSION_MINOR 11 +#define ZPL_VERSION_PATCH 0 +#define ZPL_VERSION_PRE "" + +// file: zpl_hedley.h + +/* Hedley - https://nemequ.github.io/hedley + * Created by Evan Nemerson + * + * To the extent possible under law, the author(s) have dedicated all + * copyright and related and neighboring rights to this software to + * the public domain worldwide. This software is distributed without + * any warranty. + * + * For details, see . + * SPDX-License-Identifier: CC0-1.0 + */ + +#if !defined(ZPL_HEDLEY_VERSION) || (ZPL_HEDLEY_VERSION < 12) +#if defined(ZPL_HEDLEY_VERSION) +# undef ZPL_HEDLEY_VERSION +#endif +#define ZPL_HEDLEY_VERSION 12 + +#if defined(ZPL_STRINGIFY_EX) +# undef ZPL_STRINGIFY_EX +#endif +#define ZPL_STRINGIFY_EX(x) #x + +#if defined(ZPL_STRINGIFY) +# undef ZPL_STRINGIFY +#endif +#define ZPL_STRINGIFY(x) ZPL_STRINGIFY_EX(x) + +#if defined(ZPL_CONCAT_EX) +# undef ZPL_CONCAT_EX +#endif +#define ZPL_CONCAT_EX(a,b) a##b + +#if defined(ZPL_CONCAT) +# undef ZPL_CONCAT +#endif +#define ZPL_CONCAT(a,b) ZPL_CONCAT_EX(a,b) + +#if defined(ZPL_VERSION_ENCODE) +# undef ZPL_VERSION_ENCODE +#endif +#define ZPL_VERSION_ENCODE(major,minor,patch) (((major) * 1000000) + ((minor) * 1000) + (patch)) + +#if defined(ZPL_VERSION_DECODE_MAJOR) +# undef ZPL_VERSION_DECODE_MAJOR +#endif +#define ZPL_VERSION_DECODE_MAJOR(version) ((version) / 1000000) + +#if defined(ZPL_VERSION_DECODE_MINOR) +# undef ZPL_VERSION_DECODE_MINOR +#endif +#define ZPL_VERSION_DECODE_MINOR(version) (((version) % 1000000) / 1000) + +#if defined(ZPL_VERSION_DECODE_PATCH) +# undef ZPL_VERSION_DECODE_PATCH +#endif +#define ZPL_VERSION_DECODE_PATCH(version) ((version) % 1000) + +#if defined(ZPL_GNUC_VERSION) +# undef ZPL_GNUC_VERSION +#endif +#if defined(__GNUC__) && defined(__GNUC_PATCHLEVEL__) +# define ZPL_GNUC_VERSION ZPL_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__) +#elif defined(__GNUC__) +# define ZPL_GNUC_VERSION ZPL_VERSION_ENCODE(__GNUC__, __GNUC_MINOR__, 0) +#endif + +#if defined(ZPL_GNUC_VERSION_CHECK) +# undef ZPL_GNUC_VERSION_CHECK +#endif +#if defined(ZPL_GNUC_VERSION) +# define ZPL_GNUC_VERSION_CHECK(major,minor,patch) (ZPL_GNUC_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_GNUC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_MSVC_VERSION) +# undef ZPL_MSVC_VERSION +#endif +#if defined(_MSC_FULL_VER) && (_MSC_FULL_VER >= 140000000) +# define ZPL_MSVC_VERSION ZPL_VERSION_ENCODE(_MSC_FULL_VER / 10000000, (_MSC_FULL_VER % 10000000) / 100000, (_MSC_FULL_VER % 100000) / 100) +#elif defined(_MSC_FULL_VER) +# define ZPL_MSVC_VERSION ZPL_VERSION_ENCODE(_MSC_FULL_VER / 1000000, (_MSC_FULL_VER % 1000000) / 10000, (_MSC_FULL_VER % 10000) / 10) +#elif defined(_MSC_VER) +# define ZPL_MSVC_VERSION ZPL_VERSION_ENCODE(_MSC_VER / 100, _MSC_VER % 100, 0) +#endif + +#if defined(ZPL_MSVC_VERSION_CHECK) +# undef ZPL_MSVC_VERSION_CHECK +#endif +#if !defined(_MSC_VER) +# define ZPL_MSVC_VERSION_CHECK(major,minor,patch) (0) +#elif defined(_MSC_VER) && (_MSC_VER >= 1400) +# define ZPL_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 10000000) + (minor * 100000) + (patch))) +#elif defined(_MSC_VER) && (_MSC_VER >= 1200) +# define ZPL_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_FULL_VER >= ((major * 1000000) + (minor * 10000) + (patch))) +#else +# define ZPL_MSVC_VERSION_CHECK(major,minor,patch) (_MSC_VER >= ((major * 100) + (minor))) +#endif + +#if defined(ZPL_INTEL_VERSION) +# undef ZPL_INTEL_VERSION +#endif +#if defined(__INTEL_COMPILER) && defined(__INTEL_COMPILER_UPDATE) +# define ZPL_INTEL_VERSION ZPL_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, __INTEL_COMPILER_UPDATE) +#elif defined(__INTEL_COMPILER) +# define ZPL_INTEL_VERSION ZPL_VERSION_ENCODE(__INTEL_COMPILER / 100, __INTEL_COMPILER % 100, 0) +#endif + +#if defined(ZPL_INTEL_VERSION_CHECK) +# undef ZPL_INTEL_VERSION_CHECK +#endif +#if defined(ZPL_INTEL_VERSION) +# define ZPL_INTEL_VERSION_CHECK(major,minor,patch) (ZPL_INTEL_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_INTEL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_PGI_VERSION) +# undef ZPL_PGI_VERSION +#endif +#if defined(__PGI) && defined(__PGIC__) && defined(__PGIC_MINOR__) && defined(__PGIC_PATCHLEVEL__) +# define ZPL_PGI_VERSION ZPL_VERSION_ENCODE(__PGIC__, __PGIC_MINOR__, __PGIC_PATCHLEVEL__) +#endif + +#if defined(ZPL_PGI_VERSION_CHECK) +# undef ZPL_PGI_VERSION_CHECK +#endif +#if defined(ZPL_PGI_VERSION) +# define ZPL_PGI_VERSION_CHECK(major,minor,patch) (ZPL_PGI_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_PGI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_SUNPRO_VERSION) +# undef ZPL_SUNPRO_VERSION +#endif +#if defined(__SUNPRO_C) && (__SUNPRO_C > 0x1000) +# define ZPL_SUNPRO_VERSION ZPL_VERSION_ENCODE((((__SUNPRO_C >> 16) & 0xf) * 10) + ((__SUNPRO_C >> 12) & 0xf), (((__SUNPRO_C >> 8) & 0xf) * 10) + ((__SUNPRO_C >> 4) & 0xf), (__SUNPRO_C & 0xf) * 10) +#elif defined(__SUNPRO_C) +# define ZPL_SUNPRO_VERSION ZPL_VERSION_ENCODE((__SUNPRO_C >> 8) & 0xf, (__SUNPRO_C >> 4) & 0xf, (__SUNPRO_C) & 0xf) +#elif defined(__SUNPRO_CC) && (__SUNPRO_CC > 0x1000) +# define ZPL_SUNPRO_VERSION ZPL_VERSION_ENCODE((((__SUNPRO_CC >> 16) & 0xf) * 10) + ((__SUNPRO_CC >> 12) & 0xf), (((__SUNPRO_CC >> 8) & 0xf) * 10) + ((__SUNPRO_CC >> 4) & 0xf), (__SUNPRO_CC & 0xf) * 10) +#elif defined(__SUNPRO_CC) +# define ZPL_SUNPRO_VERSION ZPL_VERSION_ENCODE((__SUNPRO_CC >> 8) & 0xf, (__SUNPRO_CC >> 4) & 0xf, (__SUNPRO_CC) & 0xf) +#endif + +#if defined(ZPL_SUNPRO_VERSION_CHECK) +# undef ZPL_SUNPRO_VERSION_CHECK +#endif +#if defined(ZPL_SUNPRO_VERSION) +# define ZPL_SUNPRO_VERSION_CHECK(major,minor,patch) (ZPL_SUNPRO_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_SUNPRO_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_EMSCRIPTEN_VERSION) +# undef ZPL_EMSCRIPTEN_VERSION +#endif +#if defined(__EMSCRIPTEN__) +# define ZPL_EMSCRIPTEN_VERSION ZPL_VERSION_ENCODE(__EMSCRIPTEN_major__, __EMSCRIPTEN_minor__, __EMSCRIPTEN_tiny__) +#endif + +#if defined(ZPL_EMSCRIPTEN_VERSION_CHECK) +# undef ZPL_EMSCRIPTEN_VERSION_CHECK +#endif +#if defined(ZPL_EMSCRIPTEN_VERSION) +# define ZPL_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (ZPL_EMSCRIPTEN_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_EMSCRIPTEN_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_ARM_VERSION) +# undef ZPL_ARM_VERSION +#endif +#if defined(__CC_ARM) && defined(__ARMCOMPILER_VERSION) +# define ZPL_ARM_VERSION ZPL_VERSION_ENCODE(__ARMCOMPILER_VERSION / 1000000, (__ARMCOMPILER_VERSION % 1000000) / 10000, (__ARMCOMPILER_VERSION % 10000) / 100) +#elif defined(__CC_ARM) && defined(__ARMCC_VERSION) +# define ZPL_ARM_VERSION ZPL_VERSION_ENCODE(__ARMCC_VERSION / 1000000, (__ARMCC_VERSION % 1000000) / 10000, (__ARMCC_VERSION % 10000) / 100) +#endif + +#if defined(ZPL_ARM_VERSION_CHECK) +# undef ZPL_ARM_VERSION_CHECK +#endif +#if defined(ZPL_ARM_VERSION) +# define ZPL_ARM_VERSION_CHECK(major,minor,patch) (ZPL_ARM_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_ARM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_IBM_VERSION) +# undef ZPL_IBM_VERSION +#endif +#if defined(__ibmxl__) +# define ZPL_IBM_VERSION ZPL_VERSION_ENCODE(__ibmxl_version__, __ibmxl_release__, __ibmxl_modification__) +#elif defined(__xlC__) && defined(__xlC_ver__) +# define ZPL_IBM_VERSION ZPL_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, (__xlC_ver__ >> 8) & 0xff) +#elif defined(__xlC__) +# define ZPL_IBM_VERSION ZPL_VERSION_ENCODE(__xlC__ >> 8, __xlC__ & 0xff, 0) +#endif + +#if defined(ZPL_IBM_VERSION_CHECK) +# undef ZPL_IBM_VERSION_CHECK +#endif +#if defined(ZPL_IBM_VERSION) +# define ZPL_IBM_VERSION_CHECK(major,minor,patch) (ZPL_IBM_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_IBM_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_VERSION) +# undef ZPL_TI_VERSION +#endif +#if \ + defined(__TI_COMPILER_VERSION__) && \ + ( \ + defined(__TMS470__) || defined(__TI_ARM__) || \ + defined(__MSP430__) || \ + defined(__TMS320C2000__) \ + ) +# if (__TI_COMPILER_VERSION__ >= 16000000) +# define ZPL_TI_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +# endif +#endif + +#if defined(ZPL_TI_VERSION_CHECK) +# undef ZPL_TI_VERSION_CHECK +#endif +#if defined(ZPL_TI_VERSION) +# define ZPL_TI_VERSION_CHECK(major,minor,patch) (ZPL_TI_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_CL2000_VERSION) +# undef ZPL_TI_CL2000_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C2000__) +# define ZPL_TI_CL2000_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_CL2000_VERSION_CHECK) +# undef ZPL_TI_CL2000_VERSION_CHECK +#endif +#if defined(ZPL_TI_CL2000_VERSION) +# define ZPL_TI_CL2000_VERSION_CHECK(major,minor,patch) (ZPL_TI_CL2000_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_CL2000_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_CL430_VERSION) +# undef ZPL_TI_CL430_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__MSP430__) +# define ZPL_TI_CL430_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_CL430_VERSION_CHECK) +# undef ZPL_TI_CL430_VERSION_CHECK +#endif +#if defined(ZPL_TI_CL430_VERSION) +# define ZPL_TI_CL430_VERSION_CHECK(major,minor,patch) (ZPL_TI_CL430_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_CL430_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_ARMCL_VERSION) +# undef ZPL_TI_ARMCL_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && (defined(__TMS470__) || defined(__TI_ARM__)) +# define ZPL_TI_ARMCL_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_ARMCL_VERSION_CHECK) +# undef ZPL_TI_ARMCL_VERSION_CHECK +#endif +#if defined(ZPL_TI_ARMCL_VERSION) +# define ZPL_TI_ARMCL_VERSION_CHECK(major,minor,patch) (ZPL_TI_ARMCL_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_ARMCL_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_CL6X_VERSION) +# undef ZPL_TI_CL6X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__TMS320C6X__) +# define ZPL_TI_CL6X_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_CL6X_VERSION_CHECK) +# undef ZPL_TI_CL6X_VERSION_CHECK +#endif +#if defined(ZPL_TI_CL6X_VERSION) +# define ZPL_TI_CL6X_VERSION_CHECK(major,minor,patch) (ZPL_TI_CL6X_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_CL6X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_CL7X_VERSION) +# undef ZPL_TI_CL7X_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__C7000__) +# define ZPL_TI_CL7X_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_CL7X_VERSION_CHECK) +# undef ZPL_TI_CL7X_VERSION_CHECK +#endif +#if defined(ZPL_TI_CL7X_VERSION) +# define ZPL_TI_CL7X_VERSION_CHECK(major,minor,patch) (ZPL_TI_CL7X_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_CL7X_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TI_CLPRU_VERSION) +# undef ZPL_TI_CLPRU_VERSION +#endif +#if defined(__TI_COMPILER_VERSION__) && defined(__PRU__) +# define ZPL_TI_CLPRU_VERSION ZPL_VERSION_ENCODE(__TI_COMPILER_VERSION__ / 1000000, (__TI_COMPILER_VERSION__ % 1000000) / 1000, (__TI_COMPILER_VERSION__ % 1000)) +#endif + +#if defined(ZPL_TI_CLPRU_VERSION_CHECK) +# undef ZPL_TI_CLPRU_VERSION_CHECK +#endif +#if defined(ZPL_TI_CLPRU_VERSION) +# define ZPL_TI_CLPRU_VERSION_CHECK(major,minor,patch) (ZPL_TI_CLPRU_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TI_CLPRU_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_CRAY_VERSION) +# undef ZPL_CRAY_VERSION +#endif +#if defined(_CRAYC) +# if defined(_RELEASE_PATCHLEVEL) +# define ZPL_CRAY_VERSION ZPL_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, _RELEASE_PATCHLEVEL) +# else +# define ZPL_CRAY_VERSION ZPL_VERSION_ENCODE(_RELEASE_MAJOR, _RELEASE_MINOR, 0) +# endif +#endif + +#if defined(ZPL_CRAY_VERSION_CHECK) +# undef ZPL_CRAY_VERSION_CHECK +#endif +#if defined(ZPL_CRAY_VERSION) +# define ZPL_CRAY_VERSION_CHECK(major,minor,patch) (ZPL_CRAY_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_CRAY_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_IAR_VERSION) +# undef ZPL_IAR_VERSION +#endif +#if defined(__IAR_SYSTEMS_ICC__) +# if __VER__ > 1000 +# define ZPL_IAR_VERSION ZPL_VERSION_ENCODE((__VER__ / 1000000), ((__VER__ / 1000) % 1000), (__VER__ % 1000)) +# else +# define ZPL_IAR_VERSION ZPL_VERSION_ENCODE(VER / 100, __VER__ % 100, 0) +# endif +#endif + +#if defined(ZPL_IAR_VERSION_CHECK) +# undef ZPL_IAR_VERSION_CHECK +#endif +#if defined(ZPL_IAR_VERSION) +# define ZPL_IAR_VERSION_CHECK(major,minor,patch) (ZPL_IAR_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_IAR_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_TINYC_VERSION) +# undef ZPL_TINYC_VERSION +#endif +#if defined(__TINYC__) +# define ZPL_TINYC_VERSION ZPL_VERSION_ENCODE(__TINYC__ / 1000, (__TINYC__ / 100) % 10, __TINYC__ % 100) +#endif + +#if defined(ZPL_TINYC_VERSION_CHECK) +# undef ZPL_TINYC_VERSION_CHECK +#endif +#if defined(ZPL_TINYC_VERSION) +# define ZPL_TINYC_VERSION_CHECK(major,minor,patch) (ZPL_TINYC_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_TINYC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_DMC_VERSION) +# undef ZPL_DMC_VERSION +#endif +#if defined(__DMC__) +# define ZPL_DMC_VERSION ZPL_VERSION_ENCODE(__DMC__ >> 8, (__DMC__ >> 4) & 0xf, __DMC__ & 0xf) +#endif + +#if defined(ZPL_DMC_VERSION_CHECK) +# undef ZPL_DMC_VERSION_CHECK +#endif +#if defined(ZPL_DMC_VERSION) +# define ZPL_DMC_VERSION_CHECK(major,minor,patch) (ZPL_DMC_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_DMC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_COMPCERT_VERSION) +# undef ZPL_COMPCERT_VERSION +#endif +#if defined(__COMPCERT_VERSION__) +# define ZPL_COMPCERT_VERSION ZPL_VERSION_ENCODE(__COMPCERT_VERSION__ / 10000, (__COMPCERT_VERSION__ / 100) % 100, __COMPCERT_VERSION__ % 100) +#endif + +#if defined(ZPL_COMPCERT_VERSION_CHECK) +# undef ZPL_COMPCERT_VERSION_CHECK +#endif +#if defined(ZPL_COMPCERT_VERSION) +# define ZPL_COMPCERT_VERSION_CHECK(major,minor,patch) (ZPL_COMPCERT_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_COMPCERT_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_PELLES_VERSION) +# undef ZPL_PELLES_VERSION +#endif +#if defined(__POCC__) +# define ZPL_PELLES_VERSION ZPL_VERSION_ENCODE(__POCC__ / 100, __POCC__ % 100, 0) +#endif + +#if defined(ZPL_PELLES_VERSION_CHECK) +# undef ZPL_PELLES_VERSION_CHECK +#endif +#if defined(ZPL_PELLES_VERSION) +# define ZPL_PELLES_VERSION_CHECK(major,minor,patch) (ZPL_PELLES_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_PELLES_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_GCC_VERSION) +# undef ZPL_GCC_VERSION +#endif +#if \ + defined(ZPL_GNUC_VERSION) && \ + !defined(__clang__) && \ + !defined(ZPL_INTEL_VERSION) && \ + !defined(ZPL_PGI_VERSION) && \ + !defined(ZPL_ARM_VERSION) && \ + !defined(ZPL_TI_VERSION) && \ + !defined(ZPL_TI_ARMCL_VERSION) && \ + !defined(ZPL_TI_CL430_VERSION) && \ + !defined(ZPL_TI_CL2000_VERSION) && \ + !defined(ZPL_TI_CL6X_VERSION) && \ + !defined(ZPL_TI_CL7X_VERSION) && \ + !defined(ZPL_TI_CLPRU_VERSION) && \ + !defined(__COMPCERT__) +# define ZPL_GCC_VERSION ZPL_GNUC_VERSION +#endif + +#if defined(ZPL_GCC_VERSION_CHECK) +# undef ZPL_GCC_VERSION_CHECK +#endif +#if defined(ZPL_GCC_VERSION) +# define ZPL_GCC_VERSION_CHECK(major,minor,patch) (ZPL_GCC_VERSION >= ZPL_VERSION_ENCODE(major, minor, patch)) +#else +# define ZPL_GCC_VERSION_CHECK(major,minor,patch) (0) +#endif + +#if defined(ZPL_HAS_ATTRIBUTE) +# undef ZPL_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) +# define ZPL_HAS_ATTRIBUTE(attribute) __has_attribute(attribute) +#else +# define ZPL_HAS_ATTRIBUTE(attribute) (0) +#endif + +#if defined(ZPL_GNUC_HAS_ATTRIBUTE) +# undef ZPL_GNUC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) +# define ZPL_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) +#else +# define ZPL_GNUC_HAS_ATTRIBUTE(attribute,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_ATTRIBUTE) +# undef ZPL_GCC_HAS_ATTRIBUTE +#endif +#if defined(__has_attribute) +# define ZPL_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) __has_attribute(attribute) +#else +# define ZPL_GCC_HAS_ATTRIBUTE(attribute,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_CPP_ATTRIBUTE) +# undef ZPL_HAS_CPP_ATTRIBUTE +#endif +#if \ + defined(__has_cpp_attribute) && \ + defined(__cplusplus) && \ + (!defined(ZPL_SUNPRO_VERSION) || ZPL_SUNPRO_VERSION_CHECK(5,15,0)) +# define ZPL_HAS_CPP_ATTRIBUTE(attribute) __has_cpp_attribute(attribute) +#else +# define ZPL_HAS_CPP_ATTRIBUTE(attribute) (0) +#endif + +#if defined(ZPL_HAS_CPP_ATTRIBUTE_NS) +# undef ZPL_HAS_CPP_ATTRIBUTE_NS +#endif +#if !defined(__cplusplus) || !defined(__has_cpp_attribute) +# define ZPL_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#elif \ + !defined(ZPL_PGI_VERSION) && \ + !defined(ZPL_IAR_VERSION) && \ + (!defined(ZPL_SUNPRO_VERSION) || ZPL_SUNPRO_VERSION_CHECK(5,15,0)) && \ + (!defined(ZPL_MSVC_VERSION) || ZPL_MSVC_VERSION_CHECK(19,20,0)) +# define ZPL_HAS_CPP_ATTRIBUTE_NS(ns,attribute) ZPL_HAS_CPP_ATTRIBUTE(ns::attribute) +#else +# define ZPL_HAS_CPP_ATTRIBUTE_NS(ns,attribute) (0) +#endif + +#if defined(ZPL_GNUC_HAS_CPP_ATTRIBUTE) +# undef ZPL_GNUC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) +# define ZPL_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else +# define ZPL_GNUC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_CPP_ATTRIBUTE) +# undef ZPL_GCC_HAS_CPP_ATTRIBUTE +#endif +#if defined(__has_cpp_attribute) && defined(__cplusplus) +# define ZPL_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) __has_cpp_attribute(attribute) +#else +# define ZPL_GCC_HAS_CPP_ATTRIBUTE(attribute,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_BUILTIN) +# undef ZPL_HAS_BUILTIN +#endif +#if defined(__has_builtin) +# define ZPL_HAS_BUILTIN(builtin) __has_builtin(builtin) +#else +# define ZPL_HAS_BUILTIN(builtin) (0) +#endif + +#if defined(ZPL_GNUC_HAS_BUILTIN) +# undef ZPL_GNUC_HAS_BUILTIN +#endif +#if defined(__has_builtin) +# define ZPL_GNUC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else +# define ZPL_GNUC_HAS_BUILTIN(builtin,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_BUILTIN) +# undef ZPL_GCC_HAS_BUILTIN +#endif +#if defined(__has_builtin) +# define ZPL_GCC_HAS_BUILTIN(builtin,major,minor,patch) __has_builtin(builtin) +#else +# define ZPL_GCC_HAS_BUILTIN(builtin,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_FEATURE) +# undef ZPL_HAS_FEATURE +#endif +#if defined(__has_feature) +# define ZPL_HAS_FEATURE(feature) __has_feature(feature) +#else +# define ZPL_HAS_FEATURE(feature) (0) +#endif + +#if defined(ZPL_GNUC_HAS_FEATURE) +# undef ZPL_GNUC_HAS_FEATURE +#endif +#if defined(__has_feature) +# define ZPL_GNUC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else +# define ZPL_GNUC_HAS_FEATURE(feature,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_FEATURE) +# undef ZPL_GCC_HAS_FEATURE +#endif +#if defined(__has_feature) +# define ZPL_GCC_HAS_FEATURE(feature,major,minor,patch) __has_feature(feature) +#else +# define ZPL_GCC_HAS_FEATURE(feature,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_EXTENSION) +# undef ZPL_HAS_EXTENSION +#endif +#if defined(__has_extension) +# define ZPL_HAS_EXTENSION(extension) __has_extension(extension) +#else +# define ZPL_HAS_EXTENSION(extension) (0) +#endif + +#if defined(ZPL_GNUC_HAS_EXTENSION) +# undef ZPL_GNUC_HAS_EXTENSION +#endif +#if defined(__has_extension) +# define ZPL_GNUC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else +# define ZPL_GNUC_HAS_EXTENSION(extension,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_EXTENSION) +# undef ZPL_GCC_HAS_EXTENSION +#endif +#if defined(__has_extension) +# define ZPL_GCC_HAS_EXTENSION(extension,major,minor,patch) __has_extension(extension) +#else +# define ZPL_GCC_HAS_EXTENSION(extension,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_DECLSPEC_ATTRIBUTE) +# undef ZPL_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) +# define ZPL_HAS_DECLSPEC_ATTRIBUTE(attribute) __has_declspec_attribute(attribute) +#else +# define ZPL_HAS_DECLSPEC_ATTRIBUTE(attribute) (0) +#endif + +#if defined(ZPL_GNUC_HAS_DECLSPEC_ATTRIBUTE) +# undef ZPL_GNUC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) +# define ZPL_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else +# define ZPL_GNUC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_DECLSPEC_ATTRIBUTE) +# undef ZPL_GCC_HAS_DECLSPEC_ATTRIBUTE +#endif +#if defined(__has_declspec_attribute) +# define ZPL_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) __has_declspec_attribute(attribute) +#else +# define ZPL_GCC_HAS_DECLSPEC_ATTRIBUTE(attribute,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_HAS_WARNING) +# undef ZPL_HAS_WARNING +#endif +#if defined(__has_warning) +# define ZPL_HAS_WARNING(warning) __has_warning(warning) +#else +# define ZPL_HAS_WARNING(warning) (0) +#endif + +#if defined(ZPL_GNUC_HAS_WARNING) +# undef ZPL_GNUC_HAS_WARNING +#endif +#if defined(__has_warning) +# define ZPL_GNUC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else +# define ZPL_GNUC_HAS_WARNING(warning,major,minor,patch) ZPL_GNUC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_GCC_HAS_WARNING) +# undef ZPL_GCC_HAS_WARNING +#endif +#if defined(__has_warning) +# define ZPL_GCC_HAS_WARNING(warning,major,minor,patch) __has_warning(warning) +#else +# define ZPL_GCC_HAS_WARNING(warning,major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +/* ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ is for + ZPL INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) +# undef ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_ +#endif +#if defined(__cplusplus) +# if ZPL_HAS_WARNING("-Wc++98-compat") +# if ZPL_HAS_WARNING("-Wc++17-extensions") +# define ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + _Pragma("clang diagnostic ignored \"-Wc++17-extensions\"") \ + xpr \ + ZPL_DIAGNOSTIC_POP +# else +# define ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(xpr) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wc++98-compat\"") \ + xpr \ + ZPL_DIAGNOSTIC_POP +# endif +# endif +#endif +#if !defined(ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_) +# define ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(x) x +#endif + +#if defined(ZPL_CONST_CAST) +# undef ZPL_CONST_CAST +#endif +#if defined(__cplusplus) +# define ZPL_CONST_CAST(T, expr) (const_cast(expr)) +#elif \ + ZPL_HAS_WARNING("-Wcast-qual") || \ + ZPL_GCC_VERSION_CHECK(4,6,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_CONST_CAST(T, expr) (__extension__ ({ \ + ZPL_DIAGNOSTIC_PUSH \ + ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL \ + ((T) (expr)); \ + ZPL_DIAGNOSTIC_POP \ + })) +#else +# define ZPL_CONST_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(ZPL_REINTERPRET_CAST) +# undef ZPL_REINTERPRET_CAST +#endif +#if defined(__cplusplus) +# define ZPL_REINTERPRET_CAST(T, expr) (reinterpret_cast(expr)) +#else +# define ZPL_REINTERPRET_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(ZPL_STATIC_CAST) +# undef ZPL_STATIC_CAST +#endif +#if defined(__cplusplus) +# define ZPL_STATIC_CAST(T, expr) (static_cast(expr)) +#else +# define ZPL_STATIC_CAST(T, expr) ((T) (expr)) +#endif + +#if defined(ZPL_CPP_CAST) +# undef ZPL_CPP_CAST +#endif +#if defined(__cplusplus) +# if ZPL_HAS_WARNING("-Wold-style-cast") +# define ZPL_CPP_CAST(T, expr) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wold-style-cast\"") \ + ((T) (expr)) \ + ZPL_DIAGNOSTIC_POP +# elif ZPL_IAR_VERSION_CHECK(8,3,0) +# define ZPL_CPP_CAST(T, expr) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("diag_suppress=Pe137") \ + ZPL_DIAGNOSTIC_POP \ +# else +# define ZPL_CPP_CAST(T, expr) ((T) (expr)) +# endif +#else +# define ZPL_CPP_CAST(T, expr) (expr) +#endif + +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + defined(__clang__) || \ + ZPL_GCC_VERSION_CHECK(3,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_IAR_VERSION_CHECK(8,0,0) || \ + ZPL_PGI_VERSION_CHECK(18,4,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + ZPL_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + ZPL_TI_CL430_VERSION_CHECK(2,0,1) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,1,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,0,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + ZPL_CRAY_VERSION_CHECK(5,0,0) || \ + ZPL_TINYC_VERSION_CHECK(0,9,17) || \ + ZPL_SUNPRO_VERSION_CHECK(8,0,0) || \ + (ZPL_IBM_VERSION_CHECK(10,1,0) && defined(__C99_PRAGMA_OPERATOR)) +# define ZPL_PRAGMA(value) _Pragma(#value) +#elif ZPL_MSVC_VERSION_CHECK(15,0,0) +# define ZPL_PRAGMA(value) __pragma(value) +#else +# define ZPL_PRAGMA(value) +#endif + +#if defined(ZPL_DIAGNOSTIC_PUSH) +# undef ZPL_DIAGNOSTIC_PUSH +#endif +#if defined(ZPL_DIAGNOSTIC_POP) +# undef ZPL_DIAGNOSTIC_POP +#endif +#if defined(__clang__) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("clang diagnostic push") +# define ZPL_DIAGNOSTIC_POP _Pragma("clang diagnostic pop") +#elif ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("warning(push)") +# define ZPL_DIAGNOSTIC_POP _Pragma("warning(pop)") +#elif ZPL_GCC_VERSION_CHECK(4,6,0) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") +# define ZPL_DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") +#elif ZPL_MSVC_VERSION_CHECK(15,0,0) +# define ZPL_DIAGNOSTIC_PUSH __pragma(warning(push)) +# define ZPL_DIAGNOSTIC_POP __pragma(warning(pop)) +#elif ZPL_ARM_VERSION_CHECK(5,6,0) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("push") +# define ZPL_DIAGNOSTIC_POP _Pragma("pop") +#elif \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + ZPL_TI_CL430_VERSION_CHECK(4,4,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,1,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("diag_push") +# define ZPL_DIAGNOSTIC_POP _Pragma("diag_pop") +#elif ZPL_PELLES_VERSION_CHECK(2,90,0) +# define ZPL_DIAGNOSTIC_PUSH _Pragma("warning(push)") +# define ZPL_DIAGNOSTIC_POP _Pragma("warning(pop)") +#else +# define ZPL_DIAGNOSTIC_PUSH +# define ZPL_DIAGNOSTIC_POP +#endif + +#if defined(ZPL_DIAGNOSTIC_DISABLE_DEPRECATED) +# undef ZPL_DIAGNOSTIC_DISABLE_DEPRECATED +#endif +#if ZPL_HAS_WARNING("-Wdeprecated-declarations") +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") +#elif ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warning(disable:1478 1786)") +#elif ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1215,1444") +#elif ZPL_GCC_VERSION_CHECK(4,3,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif ZPL_MSVC_VERSION_CHECK(15,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED __pragma(warning(disable:4996)) +#elif \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress 1291,1718") +#elif ZPL_SUNPRO_VERSION_CHECK(5,13,0) && !defined(__cplusplus) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,E_DEPRECATED_ATT,E_DEPRECATED_ATT_MESS)") +#elif ZPL_SUNPRO_VERSION_CHECK(5,13,0) && defined(__cplusplus) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("error_messages(off,symdeprecated,symdeprecated2)") +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("diag_suppress=Pe1444,Pe1215") +#elif ZPL_PELLES_VERSION_CHECK(2,90,0) +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED _Pragma("warn(disable:2241)") +#else +# define ZPL_DIAGNOSTIC_DISABLE_DEPRECATED +#endif + +#if defined(ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS) +# undef ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif +#if ZPL_HAS_WARNING("-Wunknown-pragmas") +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("clang diagnostic ignored \"-Wunknown-pragmas\"") +#elif ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("warning(disable:161)") +#elif ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 1675") +#elif ZPL_GCC_VERSION_CHECK(4,3,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("GCC diagnostic ignored \"-Wunknown-pragmas\"") +#elif ZPL_MSVC_VERSION_CHECK(15,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS __pragma(warning(disable:4068)) +#elif \ + ZPL_TI_VERSION_CHECK(16,9,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,0,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,3,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif ZPL_TI_CL6X_VERSION_CHECK(8,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress 163") +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS _Pragma("diag_suppress=Pe161") +#else +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS +#endif + +#if defined(ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES) +# undef ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif +#if ZPL_HAS_WARNING("-Wunknown-attributes") +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("clang diagnostic ignored \"-Wunknown-attributes\"") +#elif ZPL_GCC_VERSION_CHECK(4,6,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") +#elif ZPL_INTEL_VERSION_CHECK(17,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("warning(disable:1292)") +#elif ZPL_MSVC_VERSION_CHECK(19,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES __pragma(warning(disable:5030)) +#elif ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1097") +#elif ZPL_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("error_messages(off,attrskipunsup)") +#elif \ + ZPL_TI_VERSION_CHECK(18,1,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,3,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress 1173") +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES _Pragma("diag_suppress=Pe1097") +#else +# define ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_CPP_ATTRIBUTES +#endif + +#if defined(ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL) +# undef ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif +#if ZPL_HAS_WARNING("-Wcast-qual") +# define ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("clang diagnostic ignored \"-Wcast-qual\"") +#elif ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("warning(disable:2203 2331)") +#elif ZPL_GCC_VERSION_CHECK(3,0,0) +# define ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL _Pragma("GCC diagnostic ignored \"-Wcast-qual\"") +#else +# define ZPL_DIAGNOSTIC_DISABLE_CAST_QUAL +#endif + +#if defined(ZPL_DEPRECATED) +# undef ZPL_DEPRECATED +#endif +#if defined(ZPL_DEPRECATED_FOR) +# undef ZPL_DEPRECATED_FOR +#endif +#if defined(__cplusplus) && (__cplusplus >= 201402L) +# define ZPL_DEPRECATED(since) ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since)]]) +# define ZPL_DEPRECATED_FOR(since, replacement) ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[deprecated("Since " #since "; use " #replacement)]]) +#elif \ + ZPL_HAS_EXTENSION(attribute_deprecated_with_message) || \ + ZPL_GCC_VERSION_CHECK(4,5,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(5,6,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,13,0) || \ + ZPL_PGI_VERSION_CHECK(17,10,0) || \ + ZPL_TI_VERSION_CHECK(18,1,0) || \ + ZPL_TI_ARMCL_VERSION_CHECK(18,1,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,3,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,3,0) +# define ZPL_DEPRECATED(since) __attribute__((__deprecated__("Since " #since))) +# define ZPL_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__("Since " #since "; use " #replacement))) +#elif \ + ZPL_HAS_ATTRIBUTE(deprecated) || \ + ZPL_GCC_VERSION_CHECK(3,1,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_DEPRECATED(since) __attribute__((__deprecated__)) +# define ZPL_DEPRECATED_FOR(since, replacement) __attribute__((__deprecated__)) +#elif ZPL_MSVC_VERSION_CHECK(14,0,0) +# define ZPL_DEPRECATED(since) __declspec(deprecated("Since " # since)) +# define ZPL_DEPRECATED_FOR(since, replacement) __declspec(deprecated("Since " #since "; use " #replacement)) +#elif \ + ZPL_MSVC_VERSION_CHECK(13,10,0) || \ + ZPL_PELLES_VERSION_CHECK(6,50,0) +# define ZPL_DEPRECATED(since) __declspec(deprecated) +# define ZPL_DEPRECATED_FOR(since, replacement) __declspec(deprecated) +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_DEPRECATED(since) _Pragma("deprecated") +# define ZPL_DEPRECATED_FOR(since, replacement) _Pragma("deprecated") +#else +# define ZPL_DEPRECATED(since) +# define ZPL_DEPRECATED_FOR(since, replacement) +#endif + +#if defined(ZPL_UNAVAILABLE) +# undef ZPL_UNAVAILABLE +#endif +#if \ + ZPL_HAS_ATTRIBUTE(warning) || \ + ZPL_GCC_VERSION_CHECK(4,3,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_UNAVAILABLE(available_since) __attribute__((__warning__("Not available until " #available_since))) +#else +# define ZPL_UNAVAILABLE(available_since) +#endif + +#if defined(ZPL_WARN_UNUSED_RESULT) +# undef ZPL_WARN_UNUSED_RESULT +#endif +#if defined(ZPL_WARN_UNUSED_RESULT_MSG) +# undef ZPL_WARN_UNUSED_RESULT_MSG +#endif +#if (ZPL_HAS_CPP_ATTRIBUTE(nodiscard) >= 201907L) +# define ZPL_WARN_UNUSED_RESULT ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) +# define ZPL_WARN_UNUSED_RESULT_MSG(msg) ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard(msg)]]) +#elif ZPL_HAS_CPP_ATTRIBUTE(nodiscard) +# define ZPL_WARN_UNUSED_RESULT ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) +# define ZPL_WARN_UNUSED_RESULT_MSG(msg) ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[nodiscard]]) +#elif \ + ZPL_HAS_ATTRIBUTE(warn_unused_result) || \ + ZPL_GCC_VERSION_CHECK(3,4,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + (ZPL_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_WARN_UNUSED_RESULT __attribute__((__warn_unused_result__)) +# define ZPL_WARN_UNUSED_RESULT_MSG(msg) __attribute__((__warn_unused_result__)) +#elif defined(_Check_return_) /* SAL */ +# define ZPL_WARN_UNUSED_RESULT _Check_return_ +# define ZPL_WARN_UNUSED_RESULT_MSG(msg) _Check_return_ +#else +# define ZPL_WARN_UNUSED_RESULT +# define ZPL_WARN_UNUSED_RESULT_MSG(msg) +#endif + +#if defined(ZPL_SENTINEL) +# undef ZPL_SENTINEL +#endif +#if \ + ZPL_HAS_ATTRIBUTE(sentinel) || \ + ZPL_GCC_VERSION_CHECK(4,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(5,4,0) +# define ZPL_SENTINEL(position) __attribute__((__sentinel__(position))) +#else +# define ZPL_SENTINEL(position) +#endif + +#if defined(ZPL_NO_RETURN) +# undef ZPL_NO_RETURN +#endif +#if ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_NO_RETURN __noreturn +#elif ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_NO_RETURN __attribute__((__noreturn__)) +#elif defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L +# define ZPL_NO_RETURN _Noreturn +#elif defined(__cplusplus) && (__cplusplus >= 201103L) +# define ZPL_NO_RETURN ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[noreturn]]) +#elif \ + ZPL_HAS_ATTRIBUTE(noreturn) || \ + ZPL_GCC_VERSION_CHECK(3,2,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_NO_RETURN __attribute__((__noreturn__)) +#elif ZPL_SUNPRO_VERSION_CHECK(5,10,0) +# define ZPL_NO_RETURN _Pragma("does_not_return") +#elif ZPL_MSVC_VERSION_CHECK(13,10,0) +# define ZPL_NO_RETURN __declspec(noreturn) +#elif ZPL_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) +# define ZPL_NO_RETURN _Pragma("FUNC_NEVER_RETURNS;") +#elif ZPL_COMPCERT_VERSION_CHECK(3,2,0) +# define ZPL_NO_RETURN __attribute((noreturn)) +#elif ZPL_PELLES_VERSION_CHECK(9,0,0) +# define ZPL_NO_RETURN __declspec(noreturn) +#else +# define ZPL_NO_RETURN +#endif + +#if defined(ZPL_NO_ESCAPE) +# undef ZPL_NO_ESCAPE +#endif +#if ZPL_HAS_ATTRIBUTE(noescape) +# define ZPL_NO_ESCAPE __attribute__((__noescape__)) +#else +# define ZPL_NO_ESCAPE +#endif + +#if defined(ZPL_UNREACHABLE) +# undef ZPL_UNREACHABLE +#endif +#if defined(ZPL_UNREACHABLE_RETURN) +# undef ZPL_UNREACHABLE_RETURN +#endif +#if defined(ZPL_ASSUME) +# undef ZPL_ASSUME +#endif +#if \ + ZPL_MSVC_VERSION_CHECK(13,10,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_ASSUME(expr) __assume(expr) +#elif ZPL_HAS_BUILTIN(__builtin_assume) +# define ZPL_ASSUME(expr) __builtin_assume(expr) +#elif \ + ZPL_TI_CL2000_VERSION_CHECK(6,2,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(4,0,0) +# if defined(__cplusplus) +# define ZPL_ASSUME(expr) std::_nassert(expr) +# else +# define ZPL_ASSUME(expr) _nassert(expr) +# endif +#endif +#if \ + (ZPL_HAS_BUILTIN(__builtin_unreachable) && (!defined(ZPL_ARM_VERSION))) || \ + ZPL_GCC_VERSION_CHECK(4,5,0) || \ + ZPL_PGI_VERSION_CHECK(18,10,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_IBM_VERSION_CHECK(13,1,5) +# define ZPL_UNREACHABLE() __builtin_unreachable() +#elif defined(ZPL_ASSUME) +# define ZPL_UNREACHABLE() ZPL_ASSUME(0) +#endif +#if !defined(ZPL_ASSUME) +# if defined(ZPL_UNREACHABLE) +# define ZPL_ASSUME(expr) ZPL_STATIC_CAST(void, ((expr) ? 1 : (ZPL_UNREACHABLE(), 1))) +# else +# define ZPL_ASSUME(expr) ZPL_STATIC_CAST(void, expr) +# endif +#endif +#if defined(ZPL_UNREACHABLE) +# if \ + ZPL_TI_CL2000_VERSION_CHECK(6,2,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(4,0,0) +# define ZPL_UNREACHABLE_RETURN(value) return (ZPL_STATIC_CAST(void, ZPL_ASSUME(0)), (value)) +# else +# define ZPL_UNREACHABLE_RETURN(value) ZPL_UNREACHABLE() +# endif +#else +# define ZPL_UNREACHABLE_RETURN(value) return (value) +#endif +#if !defined(ZPL_UNREACHABLE) +# define ZPL_UNREACHABLE() ZPL_ASSUME(0) +#endif + +ZPL_DIAGNOSTIC_PUSH +#if ZPL_HAS_WARNING("-Wpedantic") +# pragma clang diagnostic ignored "-Wpedantic" +#endif +#if ZPL_HAS_WARNING("-Wc++98-compat-pedantic") && defined(__cplusplus) +# pragma clang diagnostic ignored "-Wc++98-compat-pedantic" +#endif +#if ZPL_GCC_HAS_WARNING("-Wvariadic-macros",4,0,0) +# if defined(__clang__) +# pragma clang diagnostic ignored "-Wvariadic-macros" +# elif defined(ZPL_GCC_VERSION) +# pragma GCC diagnostic ignored "-Wvariadic-macros" +# endif +#endif +#if defined(ZPL_NON_NULL) +# undef ZPL_NON_NULL +#endif +#if \ + ZPL_HAS_ATTRIBUTE(nonnull) || \ + ZPL_GCC_VERSION_CHECK(3,3,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) +# define ZPL_NON_NULL(...) __attribute__((__nonnull__(__VA_ARGS__))) +#else +# define ZPL_NON_NULL(...) +#endif +ZPL_DIAGNOSTIC_POP + +#if defined(ZPL_PRINTF_FORMAT) +# undef ZPL_PRINTF_FORMAT +#endif +#if defined(__MINGW32__) && ZPL_GCC_HAS_ATTRIBUTE(format,4,4,0) && !defined(__USE_MINGW_ANSI_STDIO) +# define ZPL_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(ms_printf, string_idx, first_to_check))) +#elif defined(__MINGW32__) && ZPL_GCC_HAS_ATTRIBUTE(format,4,4,0) && defined(__USE_MINGW_ANSI_STDIO) +# define ZPL_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(gnu_printf, string_idx, first_to_check))) +#elif \ + ZPL_HAS_ATTRIBUTE(format) || \ + ZPL_GCC_VERSION_CHECK(3,1,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(5,6,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_PRINTF_FORMAT(string_idx,first_to_check) __attribute__((__format__(__printf__, string_idx, first_to_check))) +#elif ZPL_PELLES_VERSION_CHECK(6,0,0) +# define ZPL_PRINTF_FORMAT(string_idx,first_to_check) __declspec(vaformat(printf,string_idx,first_to_check)) +#else +# define ZPL_PRINTF_FORMAT(string_idx,first_to_check) +#endif + +#if defined(ZPL_CONSTEXPR) +# undef ZPL_CONSTEXPR +#endif +#if defined(__cplusplus) +# if __cplusplus >= 201103L +# define ZPL_CONSTEXPR ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(constexpr) +# endif +#endif +#if !defined(ZPL_CONSTEXPR) +# define ZPL_CONSTEXPR +#endif + +#if defined(ZPL_PREDICT) +# undef ZPL_PREDICT +#endif +#if defined(ZPL_LIKELY) +# undef ZPL_LIKELY +#endif +#if defined(ZPL_UNLIKELY) +# undef ZPL_UNLIKELY +#endif +#if defined(ZPL_UNPREDICTABLE) +# undef ZPL_UNPREDICTABLE +#endif +#if ZPL_HAS_BUILTIN(__builtin_unpredictable) +# define ZPL_UNPREDICTABLE(expr) __builtin_unpredictable((expr)) +#endif +#if \ + ZPL_HAS_BUILTIN(__builtin_expect_with_probability) || \ + ZPL_GCC_VERSION_CHECK(9,0,0) +# define ZPL_PREDICT(expr, value, probability) __builtin_expect_with_probability( (expr), (value), (probability)) +# define ZPL_PREDICT_TRUE(expr, probability) __builtin_expect_with_probability(!!(expr), 1 , (probability)) +# define ZPL_PREDICT_FALSE(expr, probability) __builtin_expect_with_probability(!!(expr), 0 , (probability)) +# define ZPL_LIKELY(expr) __builtin_expect (!!(expr), 1 ) +# define ZPL_UNLIKELY(expr) __builtin_expect (!!(expr), 0 ) +#elif \ + ZPL_HAS_BUILTIN(__builtin_expect) || \ + ZPL_GCC_VERSION_CHECK(3,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + (ZPL_SUNPRO_VERSION_CHECK(5,15,0) && defined(__cplusplus)) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + ZPL_TI_ARMCL_VERSION_CHECK(4,7,0) || \ + ZPL_TI_CL430_VERSION_CHECK(3,1,0) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,1,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(6,1,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + ZPL_TINYC_VERSION_CHECK(0,9,27) || \ + ZPL_CRAY_VERSION_CHECK(8,1,0) +# define ZPL_PREDICT(expr, expected, probability) \ + (((probability) >= 0.9) ? __builtin_expect((expr), (expected)) : (ZPL_STATIC_CAST(void, expected), (expr))) +# define ZPL_PREDICT_TRUE(expr, probability) \ + (__extension__ ({ \ + double zpl_probability_ = (probability); \ + ((zpl_probability_ >= 0.9) ? __builtin_expect(!!(expr), 1) : ((zpl_probability_ <= 0.1) ? __builtin_expect(!!(expr), 0) : !!(expr))); \ + })) +# define ZPL_PREDICT_FALSE(expr, probability) \ + (__extension__ ({ \ + double zpl_probability_ = (probability); \ + ((zpl_probability_ >= 0.9) ? __builtin_expect(!!(expr), 0) : ((zpl_probability_ <= 0.1) ? __builtin_expect(!!(expr), 1) : !!(expr))); \ + })) +# define ZPL_LIKELY(expr) __builtin_expect(!!(expr), 1) +# define ZPL_UNLIKELY(expr) __builtin_expect(!!(expr), 0) +#else +# define ZPL_PREDICT(expr, expected, probability) (ZPL_STATIC_CAST(void, expected), (expr)) +# define ZPL_PREDICT_TRUE(expr, probability) (!!(expr)) +# define ZPL_PREDICT_FALSE(expr, probability) (!!(expr)) +# define ZPL_LIKELY(expr) (!!(expr)) +# define ZPL_UNLIKELY(expr) (!!(expr)) +#endif +#if !defined(ZPL_UNPREDICTABLE) +# define ZPL_UNPREDICTABLE(expr) ZPL_PREDICT(expr, 1, 0.5) +#endif + +#if defined(ZPL_MALLOC) +# undef ZPL_MALLOC +#endif +#if \ + ZPL_HAS_ATTRIBUTE(malloc) || \ + ZPL_GCC_VERSION_CHECK(3,1,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(12,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_MALLOC __attribute__((__malloc__)) +#elif ZPL_SUNPRO_VERSION_CHECK(5,10,0) +# define ZPL_MALLOC _Pragma("returns_new_memory") +#elif ZPL_MSVC_VERSION_CHECK(14, 0, 0) +# define ZPL_MALLOC __declspec(restrict) +#else +# define ZPL_MALLOC +#endif + +#if defined(ZPL_PURE) +# undef ZPL_PURE +#endif +#if \ + ZPL_HAS_ATTRIBUTE(pure) || \ + ZPL_GCC_VERSION_CHECK(2,96,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_PURE __attribute__((__pure__)) +#elif ZPL_SUNPRO_VERSION_CHECK(5,10,0) +# define ZPL_PURE _Pragma("does_not_write_global_data") +#elif defined(__cplusplus) && \ + ( \ + ZPL_TI_CL430_VERSION_CHECK(2,0,1) || \ + ZPL_TI_CL6X_VERSION_CHECK(4,0,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) \ + ) +# define ZPL_PURE _Pragma("FUNC_IS_PURE;") +#else +# define ZPL_PURE +#endif + +#if defined(ZPL_CONST) +# undef ZPL_CONST +#endif +#if \ + ZPL_HAS_ATTRIBUTE(const) || \ + ZPL_GCC_VERSION_CHECK(2,5,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) || \ + ZPL_PGI_VERSION_CHECK(17,10,0) +# define ZPL_CONST __attribute__((__const__)) +#elif \ + ZPL_SUNPRO_VERSION_CHECK(5,10,0) +# define ZPL_CONST _Pragma("no_side_effect") +#else +# define ZPL_CONST ZPL_PURE +#endif + +#if defined(ZPL_RESTRICT) +# undef ZPL_RESTRICT +#endif +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && !defined(__cplusplus) +# define ZPL_RESTRICT restrict +#elif \ + ZPL_GCC_VERSION_CHECK(3,1,0) || \ + ZPL_MSVC_VERSION_CHECK(14,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_PGI_VERSION_CHECK(17,10,0) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,2,4) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,1,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + (ZPL_SUNPRO_VERSION_CHECK(5,14,0) && defined(__cplusplus)) || \ + ZPL_IAR_VERSION_CHECK(8,0,0) || \ + defined(__clang__) +# define ZPL_RESTRICT __restrict +#elif ZPL_SUNPRO_VERSION_CHECK(5,3,0) && !defined(__cplusplus) +# define ZPL_RESTRICT _Restrict +#else +# define ZPL_RESTRICT +#endif + +#if defined(ZPL_INLINE) +# undef ZPL_INLINE +#endif +#if \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \ + (defined(__cplusplus) && (__cplusplus >= 199711L)) +# define ZPL_INLINE inline +#elif \ + defined(ZPL_GCC_VERSION) || \ + ZPL_ARM_VERSION_CHECK(6,2,0) +# define ZPL_INLINE __inline__ +#elif \ + ZPL_MSVC_VERSION_CHECK(12,0,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,1,0) || \ + ZPL_TI_CL430_VERSION_CHECK(3,1,0) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,2,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(8,0,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_INLINE __inline +#else +# define ZPL_INLINE +#endif + +#if defined(ZPL_ALWAYS_INLINE) +# undef ZPL_ALWAYS_INLINE +#endif +#if \ + ZPL_HAS_ATTRIBUTE(always_inline) || \ + ZPL_GCC_VERSION_CHECK(4,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_ALWAYS_INLINE __attribute__((__always_inline__)) ZPL_INLINE +#elif ZPL_MSVC_VERSION_CHECK(12,0,0) +# define ZPL_ALWAYS_INLINE __forceinline +#elif defined(__cplusplus) && \ + ( \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(6,1,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) \ + ) +# define ZPL_ALWAYS_INLINE _Pragma("FUNC_ALWAYS_INLINE;") +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_ALWAYS_INLINE _Pragma("inline=forced") +#else +# define ZPL_ALWAYS_INLINE ZPL_INLINE +#endif + +#if defined(ZPL_NEVER_INLINE) +# undef ZPL_NEVER_INLINE +#endif +#if \ + ZPL_HAS_ATTRIBUTE(noinline) || \ + ZPL_GCC_VERSION_CHECK(4,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(10,1,0) || \ + ZPL_TI_VERSION_CHECK(15,12,0) || \ + (ZPL_TI_ARMCL_VERSION_CHECK(4,8,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_ARMCL_VERSION_CHECK(5,2,0) || \ + (ZPL_TI_CL2000_VERSION_CHECK(6,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL2000_VERSION_CHECK(6,4,0) || \ + (ZPL_TI_CL430_VERSION_CHECK(4,0,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL430_VERSION_CHECK(4,3,0) || \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) || \ + ZPL_TI_CL7X_VERSION_CHECK(1,2,0) || \ + ZPL_TI_CLPRU_VERSION_CHECK(2,1,0) +# define ZPL_NEVER_INLINE __attribute__((__noinline__)) +#elif ZPL_MSVC_VERSION_CHECK(13,10,0) +# define ZPL_NEVER_INLINE __declspec(noinline) +#elif ZPL_PGI_VERSION_CHECK(10,2,0) +# define ZPL_NEVER_INLINE _Pragma("noinline") +#elif ZPL_TI_CL6X_VERSION_CHECK(6,0,0) && defined(__cplusplus) +# define ZPL_NEVER_INLINE _Pragma("FUNC_CANNOT_INLINE;") +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_NEVER_INLINE _Pragma("inline=never") +#elif ZPL_COMPCERT_VERSION_CHECK(3,2,0) +# define ZPL_NEVER_INLINE __attribute((noinline)) +#elif ZPL_PELLES_VERSION_CHECK(9,0,0) +# define ZPL_NEVER_INLINE __declspec(noinline) +#else +# define ZPL_NEVER_INLINE +#endif + +#if defined(ZPL_PRIVATE) +# undef ZPL_PRIVATE +#endif +#if defined(ZPL_PUBLIC) +# undef ZPL_PUBLIC +#endif +#if defined(ZPL_IMPORT) +# undef ZPL_IMPORT +#endif +#if defined(_WIN32) || defined(__CYGWIN__) +# define ZPL_PRIVATE +# define ZPL_PUBLIC __declspec(dllexport) +# define ZPL_IMPORT __declspec(dllimport) +#else +# if \ + ZPL_HAS_ATTRIBUTE(visibility) || \ + ZPL_GCC_VERSION_CHECK(3,3,0) || \ + ZPL_SUNPRO_VERSION_CHECK(5,11,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(13,1,0) || \ + ( \ + defined(__TI_EABI__) && \ + ( \ + (ZPL_TI_CL6X_VERSION_CHECK(7,2,0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__)) || \ + ZPL_TI_CL6X_VERSION_CHECK(7,5,0) \ + ) \ + ) +# define ZPL_PRIVATE __attribute__((__visibility__("hidden"))) +# define ZPL_PUBLIC __attribute__((__visibility__("default"))) +# else +# define ZPL_PRIVATE +# define ZPL_PUBLIC +# endif +# define ZPL_IMPORT extern +#endif + +#if defined(ZPL_NO_THROW) +# undef ZPL_NO_THROW +#endif +#if \ + ZPL_HAS_ATTRIBUTE(nothrow) || \ + ZPL_GCC_VERSION_CHECK(3,3,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_NO_THROW __attribute__((__nothrow__)) +#elif \ + ZPL_MSVC_VERSION_CHECK(13,1,0) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) +# define ZPL_NO_THROW __declspec(nothrow) +#else +# define ZPL_NO_THROW +#endif + +#if defined(ZPL_FALL_THROUGH) +# undef ZPL_FALL_THROUGH +#endif +#if ZPL_GNUC_HAS_ATTRIBUTE(fallthrough,7,0,0) && !defined(ZPL_PGI_VERSION) +# define ZPL_FALL_THROUGH __attribute__((__fallthrough__)) +#elif ZPL_HAS_CPP_ATTRIBUTE_NS(clang,fallthrough) +# define ZPL_FALL_THROUGH ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[clang::fallthrough]]) +#elif ZPL_HAS_CPP_ATTRIBUTE(fallthrough) +# define ZPL_FALL_THROUGH ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_([[fallthrough]]) +#elif defined(__fallthrough) /* SAL */ +# define ZPL_FALL_THROUGH __fallthrough +#else +# define ZPL_FALL_THROUGH +#endif + +#if defined(ZPL_RETURNS_NON_NULL) +# undef ZPL_RETURNS_NON_NULL +#endif +#if \ + ZPL_HAS_ATTRIBUTE(returns_nonnull) || \ + ZPL_GCC_VERSION_CHECK(4,9,0) +# define ZPL_RETURNS_NON_NULL __attribute__((__returns_nonnull__)) +#elif defined(_Ret_notnull_) /* SAL */ +# define ZPL_RETURNS_NON_NULL _Ret_notnull_ +#else +# define ZPL_RETURNS_NON_NULL +#endif + +#if defined(ZPL_ARRAY_PARAM) +# undef ZPL_ARRAY_PARAM +#endif +#if \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ + !defined(__STDC_NO_VLA__) && \ + !defined(__cplusplus) && \ + !defined(ZPL_PGI_VERSION) && \ + !defined(ZPL_TINYC_VERSION) +# define ZPL_ARRAY_PARAM(name) (name) +#else +# define ZPL_ARRAY_PARAM(name) +#endif + +#if defined(ZPL_IS_CONSTANT) +# undef ZPL_IS_CONSTANT +#endif +#if defined(ZPL_REQUIRE_CONSTEXPR) +# undef ZPL_REQUIRE_CONSTEXPR +#endif +/* ZPL_IS_CONSTEXPR_ is for + ZPL INTERNAL USE ONLY. API subject to change without notice. */ +#if defined(ZPL_IS_CONSTEXPR_) +# undef ZPL_IS_CONSTEXPR_ +#endif +#if \ + ZPL_HAS_BUILTIN(__builtin_constant_p) || \ + ZPL_GCC_VERSION_CHECK(3,4,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_TINYC_VERSION_CHECK(0,9,19) || \ + ZPL_ARM_VERSION_CHECK(4,1,0) || \ + ZPL_IBM_VERSION_CHECK(13,1,0) || \ + ZPL_TI_CL6X_VERSION_CHECK(6,1,0) || \ + (ZPL_SUNPRO_VERSION_CHECK(5,10,0) && !defined(__cplusplus)) || \ + ZPL_CRAY_VERSION_CHECK(8,1,0) +# define ZPL_IS_CONSTANT(expr) __builtin_constant_p(expr) +#endif +#if !defined(__cplusplus) +# if \ + ZPL_HAS_BUILTIN(__builtin_types_compatible_p) || \ + ZPL_GCC_VERSION_CHECK(3,4,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + ZPL_IBM_VERSION_CHECK(13,1,0) || \ + ZPL_CRAY_VERSION_CHECK(8,1,0) || \ + ZPL_ARM_VERSION_CHECK(5,4,0) || \ + ZPL_TINYC_VERSION_CHECK(0,9,24) +# if defined(__INTPTR_TYPE__) +# define ZPL_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0)), int*) +# else +# include +# define ZPL_IS_CONSTEXPR_(expr) __builtin_types_compatible_p(__typeof__((1 ? (void*) ((intptr_t) ((expr) * 0)) : (int*) 0)), int*) +# endif +# elif \ + ( \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) && \ + !defined(ZPL_SUNPRO_VERSION) && \ + !defined(ZPL_PGI_VERSION) && \ + !defined(ZPL_IAR_VERSION)) || \ + ZPL_HAS_EXTENSION(c_generic_selections) || \ + ZPL_GCC_VERSION_CHECK(4,9,0) || \ + ZPL_INTEL_VERSION_CHECK(17,0,0) || \ + ZPL_IBM_VERSION_CHECK(12,1,0) || \ + ZPL_ARM_VERSION_CHECK(5,3,0) +# if defined(__INTPTR_TYPE__) +# define ZPL_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((__INTPTR_TYPE__) ((expr) * 0)) : (int*) 0), int*: 1, void*: 0) +# else +# include +# define ZPL_IS_CONSTEXPR_(expr) _Generic((1 ? (void*) ((intptr_t) * 0) : (int*) 0), int*: 1, void*: 0) +# endif +# elif \ + defined(ZPL_GCC_VERSION) || \ + defined(ZPL_INTEL_VERSION) || \ + defined(ZPL_TINYC_VERSION) || \ + defined(ZPL_TI_ARMCL_VERSION) || \ + ZPL_TI_CL430_VERSION_CHECK(18,12,0) || \ + defined(ZPL_TI_CL2000_VERSION) || \ + defined(ZPL_TI_CL6X_VERSION) || \ + defined(ZPL_TI_CL7X_VERSION) || \ + defined(ZPL_TI_CLPRU_VERSION) || \ + defined(__clang__) +# define ZPL_IS_CONSTEXPR_(expr) ( \ + sizeof(void) != \ + sizeof(*( \ + 1 ? \ + ((void*) ((expr) * 0L) ) : \ + ((struct { char v[sizeof(void) * 2]; } *) 1) \ + ) \ + ) \ + ) +# endif +#endif +#if defined(ZPL_IS_CONSTEXPR_) +# if !defined(ZPL_IS_CONSTANT) +# define ZPL_IS_CONSTANT(expr) ZPL_IS_CONSTEXPR_(expr) +# endif +# define ZPL_REQUIRE_CONSTEXPR(expr) (ZPL_IS_CONSTEXPR_(expr) ? (expr) : (-1)) +#else +# if !defined(ZPL_IS_CONSTANT) +# define ZPL_IS_CONSTANT(expr) (0) +# endif +# define ZPL_REQUIRE_CONSTEXPR(expr) (expr) +#endif + +#if defined(ZPL_BEGIN_C_DECLS) +# undef ZPL_BEGIN_C_DECLS +#endif +#if defined(ZPL_END_C_DECLS) +# undef ZPL_END_C_DECLS +#endif +#if defined(ZPL_C_DECL) +# undef ZPL_C_DECL +#endif +#if defined(__cplusplus) +# define ZPL_BEGIN_C_DECLS extern "C" { +# define ZPL_END_C_DECLS } +# define ZPL_C_DECL extern "C" +#else +# define ZPL_BEGIN_C_DECLS +# define ZPL_END_C_DECLS +# define ZPL_C_DECL +#endif + +#if defined(ZPL_STATIC_ASSERT) +# undef ZPL_STATIC_ASSERT +#endif +#if \ + !defined(__cplusplus) && ( \ + (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)) || \ + ZPL_HAS_FEATURE(c_static_assert) || \ + ZPL_GCC_VERSION_CHECK(6,0,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) || \ + defined(_Static_assert) \ + ) +# define ZPL_STATIC_ASSERT(expr, message) _Static_assert(expr, message) +#elif \ + (defined(__cplusplus) && (__cplusplus >= 201103L)) || \ + ZPL_MSVC_VERSION_CHECK(16,0,0) +# define ZPL_STATIC_ASSERT(expr, message) ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(static_assert(expr, message)) +#else + #define ZPL_STATIC_ASSERT3(cond, msg) typedef char static_assertion_##msg[(!!(cond)) * 2 - 1] + #define ZPL_STATIC_ASSERT2(cond, line) ZPL_STATIC_ASSERT3(cond, static_assertion_at_line_##line) + #define ZPL_STATIC_ASSERT1(cond, line) ZPL_STATIC_ASSERT2(cond, line) + #define ZPL_STATIC_ASSERT(cond, unused) ZPL_STATIC_ASSERT1(cond, __LINE__) +#endif + +#if defined(ZPL_NULL) +# undef ZPL_NULL +#endif +#if defined(__cplusplus) +# if __cplusplus >= 201103L +# define ZPL_NULL ZPL_DIAGNOSTIC_DISABLE_CPP98_COMPAT_WRAP_(nullptr) +# elif defined(NULL) +# define ZPL_NULL NULL +# else +# define ZPL_NULL ZPL_STATIC_CAST(void*, 0) +# endif +#elif defined(NULL) +# define ZPL_NULL NULL +#else +# define ZPL_NULL ((void*) 0) +#endif + +#if defined(ZPL_MESSAGE) +# undef ZPL_MESSAGE +#endif +#if ZPL_HAS_WARNING("-Wunknown-pragmas") +# define ZPL_MESSAGE(msg) \ + ZPL_DIAGNOSTIC_PUSH \ + ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + ZPL_PRAGMA(message msg) \ + ZPL_DIAGNOSTIC_POP +#elif \ + ZPL_GCC_VERSION_CHECK(4,4,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_MESSAGE(msg) ZPL_PRAGMA(message msg) +#elif ZPL_CRAY_VERSION_CHECK(5,0,0) +# define ZPL_MESSAGE(msg) ZPL_PRAGMA(_CRI message msg) +#elif ZPL_IAR_VERSION_CHECK(8,0,0) +# define ZPL_MESSAGE(msg) ZPL_PRAGMA(message(msg)) +#elif ZPL_PELLES_VERSION_CHECK(2,0,0) +# define ZPL_MESSAGE(msg) ZPL_PRAGMA(message(msg)) +#else +# define ZPL_MESSAGE(msg) +#endif + +#if defined(ZPL_WARNING) +# undef ZPL_WARNING +#endif +#if ZPL_HAS_WARNING("-Wunknown-pragmas") +# define ZPL_WARNING(msg) \ + ZPL_DIAGNOSTIC_PUSH \ + ZPL_DIAGNOSTIC_DISABLE_UNKNOWN_PRAGMAS \ + ZPL_PRAGMA(clang warning msg) \ + ZPL_DIAGNOSTIC_POP +#elif \ + ZPL_GCC_VERSION_CHECK(4,8,0) || \ + ZPL_PGI_VERSION_CHECK(18,4,0) || \ + ZPL_INTEL_VERSION_CHECK(13,0,0) +# define ZPL_WARNING(msg) ZPL_PRAGMA(GCC warning msg) +#elif ZPL_MSVC_VERSION_CHECK(15,0,0) +# define ZPL_WARNING(msg) ZPL_PRAGMA(message(msg)) +#else +# define ZPL_WARNING(msg) ZPL_MESSAGE(msg) +#endif + +#if defined(ZPL_REQUIRE) +# undef ZPL_REQUIRE +#endif +#if defined(ZPL_REQUIRE_MSG) +# undef ZPL_REQUIRE_MSG +#endif +#if ZPL_HAS_ATTRIBUTE(diagnose_if) +# if ZPL_HAS_WARNING("-Wgcc-compat") +# define ZPL_REQUIRE(expr) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), #expr, "error"))) \ + ZPL_DIAGNOSTIC_POP +# define ZPL_REQUIRE_MSG(expr,msg) \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("clang diagnostic ignored \"-Wgcc-compat\"") \ + __attribute__((diagnose_if(!(expr), msg, "error"))) \ + ZPL_DIAGNOSTIC_POP +# else +# define ZPL_REQUIRE(expr) __attribute__((diagnose_if(!(expr), #expr, "error"))) +# define ZPL_REQUIRE_MSG(expr,msg) __attribute__((diagnose_if(!(expr), msg, "error"))) +# endif +#else +# define ZPL_REQUIRE(expr) +# define ZPL_REQUIRE_MSG(expr,msg) +#endif + +#if defined(ZPL_FLAGS) +# undef ZPL_FLAGS +#endif +#if ZPL_HAS_ATTRIBUTE(flag_enum) +# define ZPL_FLAGS __attribute__((__flag_enum__)) +#endif + +#if defined(ZPL_FLAGS_CAST) +# undef ZPL_FLAGS_CAST +#endif +#if ZPL_INTEL_VERSION_CHECK(19,0,0) +# define ZPL_FLAGS_CAST(T, expr) (__extension__ ({ \ + ZPL_DIAGNOSTIC_PUSH \ + _Pragma("warning(disable:188)") \ + ((T) (expr)); \ + ZPL_DIAGNOSTIC_POP \ + })) +#else +# define ZPL_FLAGS_CAST(T, expr) ZPL_STATIC_CAST(T, expr) +#endif + +#if defined(ZPL_EMPTY_BASES) +# undef ZPL_EMPTY_BASES +#endif +#if ZPL_MSVC_VERSION_CHECK(19,0,23918) && !ZPL_MSVC_VERSION_CHECK(20,0,0) +# define ZPL_EMPTY_BASES __declspec(empty_bases) +#else +# define ZPL_EMPTY_BASES +#endif + +/* Remaining macros are deprecated. */ + +#if defined(ZPL_GCC_NOT_CLANG_VERSION_CHECK) +# undef ZPL_GCC_NOT_CLANG_VERSION_CHECK +#endif +#if defined(__clang__) +# define ZPL_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) (0) +#else +# define ZPL_GCC_NOT_CLANG_VERSION_CHECK(major,minor,patch) ZPL_GCC_VERSION_CHECK(major,minor,patch) +#endif + +#if defined(ZPL_CLANG_HAS_ATTRIBUTE) +# undef ZPL_CLANG_HAS_ATTRIBUTE +#endif +#define ZPL_CLANG_HAS_ATTRIBUTE(attribute) ZPL_HAS_ATTRIBUTE(attribute) + +#if defined(ZPL_CLANG_HAS_CPP_ATTRIBUTE) +# undef ZPL_CLANG_HAS_CPP_ATTRIBUTE +#endif +#define ZPL_CLANG_HAS_CPP_ATTRIBUTE(attribute) ZPL_HAS_CPP_ATTRIBUTE(attribute) + +#if defined(ZPL_CLANG_HAS_BUILTIN) +# undef ZPL_CLANG_HAS_BUILTIN +#endif +#define ZPL_CLANG_HAS_BUILTIN(builtin) ZPL_HAS_BUILTIN(builtin) + +#if defined(ZPL_CLANG_HAS_FEATURE) +# undef ZPL_CLANG_HAS_FEATURE +#endif +#define ZPL_CLANG_HAS_FEATURE(feature) ZPL_HAS_FEATURE(feature) + +#if defined(ZPL_CLANG_HAS_EXTENSION) +# undef ZPL_CLANG_HAS_EXTENSION +#endif +#define ZPL_CLANG_HAS_EXTENSION(extension) ZPL_HAS_EXTENSION(extension) + +#if defined(ZPL_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE) +# undef ZPL_CLANG_HAS_DECLSPEC_DECLSPEC_ATTRIBUTE +#endif +#define ZPL_CLANG_HAS_DECLSPEC_ATTRIBUTE(attribute) ZPL_HAS_DECLSPEC_ATTRIBUTE(attribute) + +#if defined(ZPL_CLANG_HAS_WARNING) +# undef ZPL_CLANG_HAS_WARNING +#endif +#define ZPL_CLANG_HAS_WARNING(warning) ZPL_HAS_WARNING(warning) + +#endif /* !defined(ZPL_HEDLEY_VERSION) || (ZPL_HEDLEY_VERSION < X) */ + +#define ZPL_VERSION ZPL_VERSION_ENCODE(ZPL_VERSION_MAJOR, ZPL_VERSION_MINOR, ZPL_VERSION_PATCH) + +#ifdef ZPL_IMPL + #ifndef ZPL_IMPLEMENTATION + #define ZPL_IMPLEMENTATION + #endif +#endif + +#if defined(__cplusplus) && !defined(ZPL_EXTERN) + #define ZPL_EXTERN extern "C" +#else + #define ZPL_EXTERN extern +#endif + +#ifndef ZPL_DEF + #if defined(ZPL_SHARED_LIB) + #ifdef ZPL_IMPLEMENTATION + #define ZPL_DEF ZPL_PUBLIC + #else + #define ZPL_DEF ZPL_IMPORT + #endif + #elif defined(ZPL_STATIC_LIB) + #ifdef ZPL_IMPLEMENTATION + #define ZPL_DEF + #else + #define ZPL_DEF ZPL_EXTERN + #endif + #elif defined(ZPL_STATIC) + #define ZPL_DEF static + #else + #define ZPL_DEF ZPL_EXTERN + #endif +#endif + +#ifndef ZPL_DEF_INLINE + #if defined(ZPL_STATIC) + #define ZPL_DEF_INLINE + #define ZPL_IMPL_INLINE + #else + #define ZPL_DEF_INLINE ZPL_ALWAYS_INLINE + #define ZPL_IMPL_INLINE ZPL_INLINE + #endif +#endif + +/* Architecture-specific overrides */ +#if defined(__ARM_ARCH) + #define ZPL_DISABLE_THREADING +#endif + +/* Distributions */ +#ifndef ZPL_CUSTOM_MODULES + /* default distribution */ + #define ZPL_MODULE_CORE + #define ZPL_MODULE_TIMER + #define ZPL_MODULE_HASHING + #define ZPL_MODULE_REGEX + #define ZPL_MODULE_EVENT + #define ZPL_MODULE_DLL + #define ZPL_MODULE_OPTS + #define ZPL_MODULE_PROCESS + #define ZPL_MODULE_MATH + #define ZPL_MODULE_JSON + #define ZPL_MODULE_THREADING + #define ZPL_MODULE_JOBS + #define ZPL_MODULE_COROUTINES + + /* zpl nano distribution */ + #if defined(ZPL_NANO) + #undef ZPL_MODULE_TIMER + #undef ZPL_MODULE_HASHING + #undef ZPL_MODULE_REGEX + #undef ZPL_MODULE_EVENT + #undef ZPL_MODULE_DLL + #undef ZPL_MODULE_OPTS + #undef ZPL_MODULE_PROCESS + #undef ZPL_MODULE_MATH + #undef ZPL_MODULE_JSON + #undef ZPL_MODULE_THREADING + #undef ZPL_MODULE_JOBS + #undef ZPL_MODULE_COROUTINES + #endif + + /* module enabling overrides */ + #if defined(ZPL_ENABLE_CORE) && !defined(ZPL_MODULE_CORE) + #define ZPL_MODULE_CORE + #endif + #if defined(ZPL_ENABLE_TIMER) && !defined(ZPL_MODULE_TIMER) + #define ZPL_MODULE_TIMER + #endif + #if defined(ZPL_ENABLE_HASHING) && !defined(ZPL_MODULE_HASHING) + #define ZPL_MODULE_HASHING + #endif + #if defined(ZPL_ENABLE_REGEX) && !defined(ZPL_MODULE_REGEX) + #define ZPL_MODULE_REGEX + #endif + #if defined(ZPL_ENABLE_DLL) && !defined(ZPL_MODULE_DLL) + #define ZPL_MODULE_DLL + #endif + #if defined(ZPL_ENABLE_OPTS) && !defined(ZPL_MODULE_OPTS) + #define ZPL_MODULE_OPTS + #endif + #if defined(ZPL_ENABLE_PROCESS) && !defined(ZPL_MODULE_PROCESS) + #define ZPL_MODULE_PROCESS + #endif + #if defined(ZPL_ENABLE_MATH) && !defined(ZPL_MODULE_MATH) + #define ZPL_MODULE_MATH + #endif + #if defined(ZPL_ENABLE_JSON) && !defined(ZPL_MODULE_JSON) + #define ZPL_MODULE_JSON + #endif + #if defined(ZPL_ENABLE_THREADING) && !defined(ZPL_MODULE_THREADING) + #define ZPL_MODULE_THREADING + #endif + #if defined(ZPL_ENABLE_JOBS) && !defined(ZPL_MODULE_JOBS) + #ifndef ZPL_MODULE_THREADING + #define ZPL_MODULE_THREADING /* dependency */ + #endif + #define ZPL_MODULE_JOBS + #endif + #if defined(ZPL_ENABLE_COROUTINES) && !defined(ZPL_MODULE_COROUTINES) + #ifndef ZPL_MODULE_THREADING + #define ZPL_MODULE_THREADING /* dependency */ + #endif + + #ifndef ZPL_MODULE_JOBS + #define ZPL_MODULE_JOBS /* dependency */ + #endif + + #define ZPL_MODULE_COROUTINES + #endif + + /* module disabling overrides */ + #if defined(ZPL_DISABLE_CORE) && defined(ZPL_MODULE_CORE) + #undef ZPL_MODULE_CORE + #endif + #if defined(ZPL_DISABLE_TIMER) && defined(ZPL_MODULE_TIMER) + #undef ZPL_MODULE_TIMER + #endif + #if defined(ZPL_DISABLE_HASHING) && defined(ZPL_MODULE_HASHING) + #undef ZPL_MODULE_HASHING + #endif + #if defined(ZPL_DISABLE_REGEX) && defined(ZPL_MODULE_REGEX) + #undef ZPL_MODULE_REGEX + #endif + #if defined(ZPL_DISABLE_DLL) && defined(ZPL_MODULE_DLL) + #undef ZPL_MODULE_DLL + #endif + #if defined(ZPL_DISABLE_OPTS) && defined(ZPL_MODULE_OPTS) + #undef ZPL_MODULE_OPTS + #endif + #if defined(ZPL_DISABLE_PROCESS) && defined(ZPL_MODULE_PROCESS) + #undef ZPL_MODULE_PROCESS + #endif + #if defined(ZPL_DISABLE_MATH) && defined(ZPL_MODULE_MATH) + #undef ZPL_MODULE_MATH + #endif + #if defined(ZPL_DISABLE_JSON) && defined(ZPL_MODULE_JSON) + #undef ZPL_MODULE_JSON + #endif + #if defined(ZPL_DISABLE_THREADING) && defined(ZPL_MODULE_THREADING) + #ifdef ZPL_MODULE_JOBS + #undef ZPL_MODULE_JOBS /* user */ + #endif + + #ifdef ZPL_MODULE_COROUTINES + #undef ZPL_MODULE_COROUTINES /* user */ + #endif + + #undef ZPL_MODULE_THREADING + #endif + #if defined(ZPL_DISABLE_JOBS) && defined(ZPL_MODULE_JOBS) + #ifdef ZPL_MODULE_COROUTINES + #undef ZPL_MODULE_COROUTINES /* user */ + #endif + + #undef ZPL_MODULE_JOBS + #endif + #if defined(ZPL_DISABLE_COROUTINES) && defined(ZPL_MODULE_COROUTINES) + #undef ZPL_MODULE_COROUTINES + #endif +#endif + +#if defined(__GCC__) || defined(__GNUC__) || defined(__clang__) + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wunused-function" + #pragma GCC diagnostic ignored "-Wmissing-field-initializers" + #pragma GCC diagnostic ignored "-Wimplicit-fallthrough" +#endif + +#if defined(_MSC_VER) + #pragma warning(push) + #pragma warning(disable : 4201) + #pragma warning(disable : 4127) // Conditional expression is constant +#endif + +/* general purpose includes */ + +// file: header/core/system.h + +#ifdef ZPL_EDITOR +#include +#endif + +ZPL_BEGIN_C_DECLS + +/* Platform architecture */ + +#if defined(_WIN64) || defined(__x86_64__) || defined(_M_X64) || defined(__64BIT__) || defined(__powerpc64__) || \ +defined(__ppc64__) || defined(__aarch64__) + #ifndef ZPL_ARCH_64_BIT + #define ZPL_ARCH_64_BIT 1 + #endif +#else + #ifndef ZPL_ARCH_32_BIT + #define ZPL_ARCH_32_BIT 1 + #endif +#endif + +/* Platform endiannes */ + +#ifndef ZPL_ENDIAN_ORDER + #define ZPL_ENDIAN_ORDER + #define ZPL_IS_BIG_ENDIAN (!*(zpl_u8 *)&(zpl_u16){ 1 }) + #define ZPL_IS_LITTLE_ENDIAN (!ZPL_IS_BIG_ENDIAN) +#endif + +/* Platform OS */ + +#if defined(_WIN32) || defined(_WIN64) + #ifndef ZPL_SYSTEM_WINDOWS + #define ZPL_SYSTEM_WINDOWS 1 + #endif +#elif defined(__APPLE__) && defined(__MACH__) + #ifndef ZPL_SYSTEM_OSX + #define ZPL_SYSTEM_OSX 1 + #endif + #ifndef ZPL_SYSTEM_MACOS + #define ZPL_SYSTEM_MACOS 1 + #endif + #include + #if TARGET_IPHONE_SIMULATOR == 1 || TARGET_OS_IPHONE == 1 + #ifndef ZPL_SYSTEM_IOS + #define ZPL_SYSTEM_IOS 1 + #endif + #endif +#elif defined(__unix__) + #ifndef ZPL_SYSTEM_UNIX + #define ZPL_SYSTEM_UNIX 1 + #endif + #if defined(ANDROID) || defined(__ANDROID__) + #ifndef ZPL_SYSTEM_ANDROID + #define ZPL_SYSTEM_ANDROID 1 + #endif + #ifndef ZPL_SYSTEM_LINUX + #define ZPL_SYSTEM_LINUX 1 + #endif + #elif defined(__linux__) + #ifndef ZPL_SYSTEM_LINUX + #define ZPL_SYSTEM_LINUX 1 + #endif + #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) + #ifndef ZPL_SYSTEM_FREEBSD + #define ZPL_SYSTEM_FREEBSD 1 + #endif + #elif defined(__OpenBSD__) + #ifndef ZPL_SYSTEM_OPENBSD + #define ZPL_SYSTEM_OPENBSD 1 + #endif + #elif defined(__EMSCRIPTEN__) + #ifndef ZPL_SYSTEM_EMSCRIPTEN + #define ZPL_SYSTEM_EMSCRIPTEN 1 + #endif + #elif defined(__CYGWIN__) + #ifndef ZPL_SYSTEM_CYGWIN + #define ZPL_SYSTEM_CYGWIN 1 + #endif + #else + #error This UNIX operating system is not supported + #endif +#else + #error This operating system is not supported +#endif + +/* Platform compiler */ + +#if defined(_MSC_VER) + #define ZPL_COMPILER_MSVC 1 +#elif defined(__GNUC__) + #define ZPL_COMPILER_GCC 1 +#elif defined(__clang__) + #define ZPL_COMPILER_CLANG 1 +#elif defined(__MINGW32__) + #define ZPL_COMPILER_MINGW 1 +#else + #error Unknown compiler +#endif + +/* Platform CPU */ + +#if defined(__arm__) || defined(__aarch64__) + #ifndef ZPL_CPU_ARM + #define ZPL_CPU_ARM 1 + #endif + #ifndef ZPL_CACHE_LINE_SIZE + #define ZPL_CACHE_LINE_SIZE 64 + #endif +#elif defined(_M_IX86) || defined(_M_X64) || defined(__i386__) || defined(__x86_64__) || defined(ZPL_SYSTEM_EMSCRIPTEN) + #ifndef ZPL_CPU_X86 + #define ZPL_CPU_X86 1 + #endif + #ifndef ZPL_CACHE_LINE_SIZE + #define ZPL_CACHE_LINE_SIZE 64 + #endif +#elif defined(_M_PPC) || defined(__powerpc__) || defined(__powerpc64__) + #ifndef ZPL_CPU_PPC + #define ZPL_CPU_PPC 1 + #endif + #ifndef ZPL_CACHE_LINE_SIZE + #define ZPL_CACHE_LINE_SIZE 128 + #endif +#elif defined(__MIPSEL__) || defined(__mips_isa_rev) + #ifndef ZPL_CPU_MIPS + #define ZPL_CPU_MIPS 1 + #endif + #ifndef ZPL_CACHE_LINE_SIZE + #define ZPL_CACHE_LINE_SIZE 64 + #endif +#else + #error Unknown CPU Type +#endif + +// TODO(ZaKlaus): Find a better way to get this flag in MinGW. +#if defined(ZPL_COMPILER_GCC) && !defined(WC_ERR_INVALID_CHARS) + #define WC_ERR_INVALID_CHARS 0x0080 +#endif + +#if defined(ZPL_COMPILER_GCC) && defined(ZPL_SYSTEM_WINDOWS) + #ifndef ZPL_COMPILER_MINGW + #define ZPL_COMPILER_MINGW // assume we use mingw as a compiler + #endif +#endif + +#if defined(ZPL_SYSTEM_UNIX) + #ifndef _GNU_SOURCE + #define _GNU_SOURCE + #endif + + #ifndef _LARGEFILE64_SOURCE + #define _LARGEFILE64_SOURCE + #endif +#endif + +ZPL_END_C_DECLS + +#include +#include + +#if defined(ZPL_SYSTEM_WINDOWS) + #include +#endif + +// file: header/core/types.h + +#ifdef ZPL_EDITOR +#include +#endif + +ZPL_BEGIN_C_DECLS + +/* Basic types */ + +#if defined(ZPL_COMPILER_MSVC) + #if _MSC_VER < 1300 + typedef unsigned char zpl_u8; + typedef signed char zpl_i8; + typedef unsigned short zpl_u16; + typedef signed short zpl_i16; + typedef unsigned int zpl_u32; + typedef signed int zpl_i32; + #else + typedef unsigned __int8 zpl_u8; + typedef signed __int8 zpl_i8; + typedef unsigned __int16 zpl_u16; + typedef signed __int16 zpl_i16; + typedef unsigned __int32 zpl_u32; + typedef signed __int32 zpl_i32; + #endif + typedef unsigned __int64 zpl_u64; + typedef signed __int64 zpl_i64; +#else + #include + + typedef uint8_t zpl_u8; + typedef int8_t zpl_i8; + typedef uint16_t zpl_u16; + typedef int16_t zpl_i16; + typedef uint32_t zpl_u32; + typedef int32_t zpl_i32; + typedef uint64_t zpl_u64; + typedef int64_t zpl_i64; +#endif + +ZPL_STATIC_ASSERT(sizeof(zpl_u8) == sizeof(zpl_i8), "sizeof(zpl_u8) != sizeof(zpl_i8)"); +ZPL_STATIC_ASSERT(sizeof(zpl_u16) == sizeof(zpl_i16), "sizeof(zpl_u16) != sizeof(zpl_i16)"); +ZPL_STATIC_ASSERT(sizeof(zpl_u32) == sizeof(zpl_i32), "sizeof(zpl_u32) != sizeof(zpl_i32)"); +ZPL_STATIC_ASSERT(sizeof(zpl_u64) == sizeof(zpl_i64), "sizeof(zpl_u64) != sizeof(zpl_i64)"); + +ZPL_STATIC_ASSERT(sizeof(zpl_u8) == 1, "sizeof(zpl_u8) != 1"); +ZPL_STATIC_ASSERT(sizeof(zpl_u16) == 2, "sizeof(zpl_u16) != 2"); +ZPL_STATIC_ASSERT(sizeof(zpl_u32) == 4, "sizeof(zpl_u32) != 4"); +ZPL_STATIC_ASSERT(sizeof(zpl_u64) == 8, "sizeof(zpl_u64) != 8"); + +typedef size_t zpl_usize; +typedef ptrdiff_t zpl_isize; + +ZPL_STATIC_ASSERT(sizeof(zpl_usize) == sizeof(zpl_isize), "sizeof(zpl_usize) != sizeof(zpl_isize)"); + +// NOTE: (u)zpl_intptr is only here for semantic reasons really as this library will only support 32/64 bit OSes. +#if defined(_WIN64) + typedef signed __int64 zpl_intptr; + typedef unsigned __int64 zpl_uintptr; +#elif defined(_WIN32) + // NOTE; To mark types changing their size, e.g. zpl_intptr + #ifndef _W64 + #if !defined(__midl) && (defined(_X86_) || defined(_M_IX86)) && _MSC_VER >= 1300 + #define _W64 __w64 + #else + #define _W64 + #endif + #endif + typedef _W64 signed int zpl_intptr; + typedef _W64 unsigned int zpl_uintptr; +#else + typedef uintptr_t zpl_uintptr; + typedef intptr_t zpl_intptr; +#endif + +ZPL_STATIC_ASSERT(sizeof(zpl_uintptr) == sizeof(zpl_intptr), "sizeof(zpl_uintptr) != sizeof(zpl_intptr)"); + +typedef float zpl_f32; +typedef double zpl_f64; + +ZPL_STATIC_ASSERT(sizeof(zpl_f32) == 4, "sizeof(zpl_f32) != 4"); +ZPL_STATIC_ASSERT(sizeof(zpl_f64) == 8, "sizeof(zpl_f64) != 8"); + +typedef zpl_i32 zpl_rune; // NOTE: Unicode codepoint +typedef zpl_i32 zpl_char32; +#define ZPL_RUNE_INVALID cast(zpl_rune)(0xfffd) +#define ZPL_RUNE_MAX cast(zpl_rune)(0x0010ffff) +#define ZPL_RUNE_BOM cast(zpl_rune)(0xfeff) +#define ZPL_RUNE_EOF cast(zpl_rune)(-1) + +typedef zpl_i8 zpl_b8; +typedef zpl_i16 zpl_b16; +typedef zpl_i32 zpl_b32; + +#if !defined(__cplusplus) + #if (defined(_MSC_VER) && _MSC_VER < 1800) || (!defined(_MSC_VER) && !defined(__STDC_VERSION__)) + #ifndef true + #define true(0 == 0) + #endif + #ifndef false + #define false(0 != 0) + #endif + + typedef zpl_b8 bool; + #else + #include + #endif +#endif + +#if __cplusplus > 199711L +#define register // Deprecated in C++11. +#endif // #if __cplusplus > 199711L + +#ifndef ZPL_U8_MIN + #define ZPL_U8_MIN 0u + #define ZPL_U8_MAX 0xffu + #define ZPL_I8_MIN (-0x7f - 1) + #define ZPL_I8_MAX 0x7f + + #define ZPL_U16_MIN 0u + #define ZPL_U16_MAX 0xffffu + #define ZPL_I16_MIN (-0x7fff - 1) + #define ZPL_I16_MAX 0x7fff + + #define ZPL_U32_MIN 0u + #define ZPL_U32_MAX 0xffffffffu + #define ZPL_I32_MIN (-0x7fffffff - 1) + #define ZPL_I32_MAX 0x7fffffff + + #define ZPL_U64_MIN 0ull + #define ZPL_U64_MAX 0xffffffffffffffffull + #define ZPL_I64_MIN (-0x7fffffffffffffffll - 1) + #define ZPL_I64_MAX 0x7fffffffffffffffll + + #if defined(ZPL_ARCH_32_BIT) + #define ZPL_USIZE_MIN ZPL_U32_MIN + #define ZPL_USIZE_MAX ZPL_U32_MAX + #define ZPL_ISIZE_MIN ZPL_S32_MIN + #define ZPL_ISIZE_MAX ZPL_S32_MAX + #elif defined(ZPL_ARCH_64_BIT) + #define ZPL_USIZE_MIN ZPL_U64_MIN + #define ZPL_USIZE_MAX ZPL_U64_MAX + #define ZPL_ISIZE_MIN ZPL_I64_MIN + #define ZPL_ISIZE_MAX ZPL_I64_MAX + #else + #error Unknown architecture size. This library only supports 32 bit and 64 bit architectures. + #endif + + #define ZPL_F32_MIN 1.17549435e-38f + #define ZPL_F32_MAX 3.40282347e+38f + + #define ZPL_F64_MIN 2.2250738585072014e-308 + #define ZPL_F64_MAX 1.7976931348623157e+308 +#endif + +#ifdef ZPL_DEFINE_NULL_MACRO + #ifndef NULL + #define NULL ZPL_NULL + #endif +#endif + +ZPL_END_C_DECLS +// file: header/core/helpers.h + +/* Various macro based helpers */ +#ifdef ZPL_EDITOR +#include +#endif + +ZPL_BEGIN_C_DECLS + +#ifndef cast + #define cast(Type) (Type) +#endif + +#ifndef zpl_size_of + #define zpl_size_of(x) (zpl_isize)(sizeof(x)) +#endif + +#ifndef zpl_count_of + #define zpl_count_of(x) ((zpl_size_of(x) / zpl_size_of(0 [x])) / ((zpl_isize)(!(zpl_size_of(x) % zpl_size_of(0 [x]))))) +#endif + +#ifndef zpl_offset_of +#ifdef _MSC_VER + #define zpl_offset_of(Type, element) ((zpl_isize) & (((Type *)0)->element)) +#else + #define zpl_offset_of(Type, element) __builtin_offsetof(Type, element) +#endif +#endif + +#if defined(__cplusplus) + #ifndef zpl_align_of + #if __cplusplus >= 201103L + #define zpl_align_of(Type) (zpl_isize)alignof(Type) + #else + extern "C++" { + template struct zpl_alignment_trick { + char c; + T member; + }; + } + #define zpl_align_of(Type) zpl_offset_of(zpl_alignment_trick, member) + #endif + #endif +#else + #ifndef zpl_align_of + #define zpl_align_of(Type) \ + zpl_offset_of( \ + struct { \ + char c; \ + Type member; \ + }, \ + member) + #endif +#endif + +#ifndef zpl_swap + #define zpl_swap(Type, a, b) \ + do { \ + Type tmp = (a); \ + (a) = (b); \ + (b) = tmp; \ + } while (0) +#endif + + + +#ifndef zpl_global + #define zpl_global static // Global variables +#endif + +#ifndef zpl_internal + #define zpl_internal static // Internal linkage +#endif + +#ifndef zpl_local_persist + #define zpl_local_persist static // Local Persisting variables +#endif + +#ifndef zpl_unused + #if defined(_MSC_VER) + #define zpl_unused(x) (__pragma(warning(suppress : 4100))(x)) + #elif defined(__GCC__) + #define zpl_unused(x) __attribute__((__unused__))(x) + #else + #define zpl_unused(x) ((void)(zpl_size_of(x))) + #endif +#endif + + +#ifndef ZPL_JOIN_MACROS + #define ZPL_JOIN_MACROS + + #define ZPL_JOIN2 ZPL_CONCAT + #define ZPL_JOIN3(a, b, c) ZPL_JOIN2(ZPL_JOIN2(a, b), c) + #define ZPL_JOIN4(a, b, c, d) ZPL_JOIN2(ZPL_JOIN2(ZPL_JOIN2(a, b), c), d) +#endif + +#ifndef ZPL_BIT + #define ZPL_BIT(x) (1 << (x)) +#endif + +#ifndef zpl_min + #define zpl_min(a, b) ((a) < (b) ? (a) : (b)) +#endif + +#ifndef zpl_max + #define zpl_max(a, b) ((a) > (b) ? (a) : (b)) +#endif + +#ifndef zpl_min3 + #define zpl_min3(a, b, c) zpl_min(zpl_min(a, b), c) +#endif + +#ifndef zpl_max3 + #define zpl_max3(a, b, c) zpl_max(zpl_max(a, b), c) +#endif + +#ifndef zpl_clamp + #define zpl_clamp(x, lower, upper) zpl_min(zpl_max((x), (lower)), (upper)) +#endif + +#ifndef zpl_clamp01 + #define zpl_clamp01(x) zpl_clamp((x), 0, 1) +#endif + +#ifndef zpl_is_between + #define zpl_is_between(x, lower, upper) (((lower) <= (x)) && ((x) <= (upper))) +#endif + +#ifndef zpl_abs + #define zpl_abs(x) ((x) < 0 ? -(x) : (x)) +#endif + +#ifndef hard_cast + #define hard_cast(type) *cast(type) & +#endif + +// WARN(ZaKlaus): Supported only on GCC via GNU extensions!!! +#ifndef zpl_lambda + #define zpl_lambda(b_) ({ b_ _; }) +#endif + +#ifndef zpl_when + #define zpl_when(init, type, name) \ + type name = init; \ + if (name) +#endif + +/* NOTE: Very useful bit setting */ +#ifndef ZPL_MASK_SET + #define ZPL_MASK_SET(var, set, mask) \ + do { \ + if (set) \ + (var) |= (mask); \ + else \ + (var) &= ~(mask); \ + } while (0) +#endif + +// Multiline string literals in C99! +#ifndef ZPL_MULTILINE + #define ZPL_MULTILINE(...) #__VA_ARGS__ +#endif + +ZPL_END_C_DECLS + +#if defined(ZPL_MODULE_CORE) + // file: header/core/debug.h + + /* Debugging stuff */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #ifndef ZPL_DEBUG_TRAP + #if defined(_MSC_VER) + #if _MSC_VER < 1300 + #define ZPL_DEBUG_TRAP( ) __asm int 3 /* Trap to debugger! */ + #else + #define ZPL_DEBUG_TRAP( ) __debugbreak( ) + #endif + #else + #define ZPL_DEBUG_TRAP( ) __builtin_trap( ) + #endif + #endif + + #ifndef ZPL_ASSERT_MSG + #define ZPL_ASSERT_MSG(cond, msg, ...) \ + do { \ + if (!(cond)) { \ + zpl_assert_handler(#cond, __FILE__, cast(zpl_i64) __LINE__, msg, ##__VA_ARGS__); \ + ZPL_DEBUG_TRAP( ); \ + } \ + } while (0) + #endif + + #ifndef ZPL_ASSERT + #define ZPL_ASSERT(cond) ZPL_ASSERT_MSG(cond, NULL) + #endif + + #ifndef ZPL_ASSERT_NOT_NULL + #define ZPL_ASSERT_NOT_NULL(ptr) ZPL_ASSERT_MSG((ptr) != NULL, #ptr " must not be NULL") + #endif + + // NOTE: Things that shouldn't happen with a message! + #ifndef ZPL_PANIC + #define ZPL_PANIC(msg, ...) ZPL_ASSERT_MSG(0, msg, ##__VA_ARGS__) + #endif + + #ifndef ZPL_NOT_IMPLEMENTED + #define ZPL_NOT_IMPLEMENTED ZPL_PANIC("not implemented") + #endif + + /* Functions */ + + ZPL_DEF void zpl_assert_handler(char const *condition, char const *file, zpl_i32 line, char const *msg, ...); + ZPL_DEF zpl_i32 zpl_assert_crash(char const *condition); + + ZPL_END_C_DECLS + // file: header/core/memory.h + + /** @file mem.c + @brief Memory manipulation and helpers. + @defgroup memman Memory management + + Consists of pointer arithmetic methods, virtual memory management and custom memory allocators. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + //! Checks if value is power of 2. + ZPL_DEF_INLINE zpl_b32 zpl_is_power_of_two(zpl_isize x); + + //! Aligns address to specified alignment. + ZPL_DEF_INLINE void *zpl_align_forward(void *ptr, zpl_isize alignment); + + //! Moves pointer forward by bytes. + ZPL_DEF_INLINE void *zpl_pointer_add(void *ptr, zpl_isize bytes); + + //! Moves pointer backward by bytes. + ZPL_DEF_INLINE void *zpl_pointer_sub(void *ptr, zpl_isize bytes); + + //! Moves pointer forward by bytes. + ZPL_DEF_INLINE void const *zpl_pointer_add_const(void const *ptr, zpl_isize bytes); + + //! Moves pointer backward by bytes. + ZPL_DEF_INLINE void const *zpl_pointer_sub_const(void const *ptr, zpl_isize bytes); + + //! Calculates difference between two addresses. + ZPL_DEF_INLINE zpl_isize zpl_pointer_diff(void const *begin, void const *end); + + #define zpl_ptr_add zpl_pointer_add + #define zpl_ptr_sub zpl_pointer_sub + #define zpl_ptr_add_const zpl_pointer_add_const + #define zpl_ptr_sub_const zpl_pointer_sub_const + #define zpl_ptr_diff zpl_pointer_diff + + //! Clears up memory at location by specified size. + + //! @param ptr Memory location to clear up. + //! @param size The size to clear up with. + ZPL_DEF_INLINE void zpl_zero_size(void *ptr, zpl_isize size); + + #ifndef zpl_zero_item + //! Clears up an item. + #define zpl_zero_item(t) zpl_zero_size((t), zpl_size_of(*(t))) // NOTE: Pass pointer of struct + + //! Clears up an array. + #define zpl_zero_array(a, count) zpl_zero_size((a), zpl_size_of(*(a)) * count) + #endif + + //! Copy memory from source to destination. + ZPL_DEF_INLINE void *zpl_memmove(void *dest, void const *source, zpl_isize size); + + //! Set constant value at memory location with specified size. + ZPL_DEF_INLINE void *zpl_memset(void *data, zpl_u8 byte_value, zpl_isize size); + + //! Compare two memory locations with specified size. + ZPL_DEF_INLINE zpl_i32 zpl_memcompare(void const *s1, void const *s2, zpl_isize size); + + //! Swap memory contents between 2 locations with size. + ZPL_DEF void zpl_memswap(void *i, void *j, zpl_isize size); + + //! Search for a constant value within the size limit at memory location. + ZPL_DEF void const *zpl_memchr(void const *data, zpl_u8 byte_value, zpl_isize size); + + //! Search for a constant value within the size limit at memory location in backwards. + ZPL_DEF void const *zpl_memrchr(void const *data, zpl_u8 byte_value, zpl_isize size); + + //! Copy non-overlapping memory from source to destination. + ZPL_DEF void *zpl_memcopy(void *dest, void const *source, zpl_isize size); + + #ifndef zpl_memcopy_array + + //! Copy non-overlapping array. + #define zpl_memcopy_array(dst, src, count) zpl_memcopy((dst), (src), zpl_size_of(*(dst)) * (count)) + #endif + + //! Copy an array. + #ifndef zpl_memmove_array + #define zpl_memmove_array(dst, src, count) zpl_memmove((dst), (src), zpl_size_of(*(dst)) * (count)) + #endif + + #ifndef ZPL_BIT_CAST + #define ZPL_BIT_CAST(dest, source) \ + do { \ + ZPL_STATIC_ASSERT(zpl_size_of(*(dest)) <= zpl_size_of(source), "zpl_size_of(*(dest)) !<= zpl_size_of(source)");\ + zpl_memcopy((dest), &(source), zpl_size_of(*dest)); \ + } while (0) + #endif + + #ifndef zpl_kilobytes + #define zpl_kilobytes(x) ((x) * (zpl_i64)(1024)) + #define zpl_megabytes(x) (zpl_kilobytes(x) * (zpl_i64)(1024)) + #define zpl_gigabytes(x) (zpl_megabytes(x) * (zpl_i64)(1024)) + #define zpl_terabytes(x) (zpl_gigabytes(x) * (zpl_i64)(1024)) + #endif + + + /* inlines */ + + #define ZPL__ONES (cast(zpl_usize) - 1 / ZPL_U8_MAX) + #define ZPL__HIGHS (ZPL__ONES * (ZPL_U8_MAX / 2 + 1)) + #define ZPL__HAS_ZERO(x) (((x)-ZPL__ONES) & ~(x)&ZPL__HIGHS) + + ZPL_IMPL_INLINE void *zpl_align_forward(void *ptr, zpl_isize alignment) { + zpl_uintptr p; + + ZPL_ASSERT(zpl_is_power_of_two(alignment)); + + p = cast(zpl_uintptr) ptr; + return cast(void *)((p + (alignment - 1)) & ~(alignment - 1)); + } + + ZPL_IMPL_INLINE void *zpl_pointer_add(void *ptr, zpl_isize bytes) { return cast(void *)(cast(zpl_u8 *) ptr + bytes); } + ZPL_IMPL_INLINE void *zpl_pointer_sub(void *ptr, zpl_isize bytes) { return cast(void *)(cast(zpl_u8 *) ptr - bytes); } + ZPL_IMPL_INLINE void const *zpl_pointer_add_const(void const *ptr, zpl_isize bytes) { + return cast(void const *)(cast(zpl_u8 const *) ptr + bytes); + } + ZPL_IMPL_INLINE void const *zpl_pointer_sub_const(void const *ptr, zpl_isize bytes) { + return cast(void const *)(cast(zpl_u8 const *) ptr - bytes); + } + ZPL_IMPL_INLINE zpl_isize zpl_pointer_diff(void const *begin, void const *end) { + return cast(zpl_isize)(cast(zpl_u8 const *) end - cast(zpl_u8 const *) begin); + } + + ZPL_IMPL_INLINE void zpl_zero_size(void *ptr, zpl_isize size) { zpl_memset(ptr, 0, size); } + + #if defined(_MSC_VER) && !defined(__clang__) + #pragma intrinsic(__movsb) + #endif + + ZPL_IMPL_INLINE void *zpl_memmove(void *dest, void const *source, zpl_isize n) { + if (dest == NULL) { return NULL; } + + zpl_u8 *d = cast(zpl_u8 *) dest; + zpl_u8 const *s = cast(zpl_u8 const *) source; + + if (d == s) return d; + if (s + n <= d || d + n <= s) // NOTE: Non-overlapping + return zpl_memcopy(d, s, n); + + if (d < s) { + if (cast(zpl_uintptr) s % zpl_size_of(zpl_isize) == cast(zpl_uintptr) d % zpl_size_of(zpl_isize)) { + while (cast(zpl_uintptr) d % zpl_size_of(zpl_isize)) { + if (!n--) return dest; + *d++ = *s++; + } + while (n >= zpl_size_of(zpl_isize)) { + *cast(zpl_isize *) d = *cast(zpl_isize *) s; + n -= zpl_size_of(zpl_isize); + d += zpl_size_of(zpl_isize); + s += zpl_size_of(zpl_isize); + } + } + for (; n; n--) *d++ = *s++; + } else { + if ((cast(zpl_uintptr) s % zpl_size_of(zpl_isize)) == (cast(zpl_uintptr) d % zpl_size_of(zpl_isize))) { + while (cast(zpl_uintptr)(d + n) % zpl_size_of(zpl_isize)) { + if (!n--) return dest; + d[n] = s[n]; + } + while (n >= zpl_size_of(zpl_isize)) { + n -= zpl_size_of(zpl_isize); + *cast(zpl_isize *)(d + n) = *cast(zpl_isize *)(s + n); + } + } + while (n) n--, d[n] = s[n]; + } + + return dest; + } + + ZPL_IMPL_INLINE void *zpl_memset(void *dest, zpl_u8 c, zpl_isize n) { + if (dest == NULL) { return NULL; } + + zpl_u8 *s = cast(zpl_u8 *) dest; + zpl_isize k; + zpl_u32 c32 = ((zpl_u32)-1) / 255 * c; + + if (n == 0) return dest; + s[0] = s[n - 1] = c; + if (n < 3) return dest; + s[1] = s[n - 2] = c; + s[2] = s[n - 3] = c; + if (n < 7) return dest; + s[3] = s[n - 4] = c; + if (n < 9) return dest; + + k = -cast(zpl_intptr) s & 3; + s += k; + n -= k; + n &= -4; + + *cast(zpl_u32 *)(s + 0) = c32; + *cast(zpl_u32 *)(s + n - 4) = c32; + if (n < 9) return dest; + *cast(zpl_u32 *)(s + 4) = c32; + *cast(zpl_u32 *)(s + 8) = c32; + *cast(zpl_u32 *)(s + n - 12) = c32; + *cast(zpl_u32 *)(s + n - 8) = c32; + if (n < 25) return dest; + *cast(zpl_u32 *)(s + 12) = c32; + *cast(zpl_u32 *)(s + 16) = c32; + *cast(zpl_u32 *)(s + 20) = c32; + *cast(zpl_u32 *)(s + 24) = c32; + *cast(zpl_u32 *)(s + n - 28) = c32; + *cast(zpl_u32 *)(s + n - 24) = c32; + *cast(zpl_u32 *)(s + n - 20) = c32; + *cast(zpl_u32 *)(s + n - 16) = c32; + + k = 24 + (cast(zpl_uintptr) s & 4); + s += k; + n -= k; + + { + zpl_u64 c64 = (cast(zpl_u64) c32 << 32) | c32; + while (n > 31) { + *cast(zpl_u64 *)(s + 0) = c64; + *cast(zpl_u64 *)(s + 8) = c64; + *cast(zpl_u64 *)(s + 16) = c64; + *cast(zpl_u64 *)(s + 24) = c64; + + n -= 32; + s += 32; + } + } + + return dest; + } + + ZPL_IMPL_INLINE zpl_i32 zpl_memcompare(void const *s1, void const *s2, zpl_isize size) { + zpl_u8 const *s1p8 = cast(zpl_u8 const *) s1; + zpl_u8 const *s2p8 = cast(zpl_u8 const *) s2; + + if (s1 == NULL || s2 == NULL) { return 0; } + + while (size--) { + zpl_isize d; + if ((d = (*s1p8++ - *s2p8++)) != 0) return cast(zpl_i32) d; + } + return 0; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_is_power_of_two(zpl_isize x) { + if (x <= 0) return false; + return !(x & (x - 1)); + } + + ZPL_END_C_DECLS + // file: header/core/memory_virtual.h + + + //////////////////////////////////////////////////////////////// + // + // Virtual Memory + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_virtual_memory { + void *data; + zpl_isize size; + } zpl_virtual_memory; + + //! Initialize virtual memory from existing data. + ZPL_DEF zpl_virtual_memory zpl_vm(void *data, zpl_isize size); + + //! Allocate virtual memory at address with size. + + //! @param addr The starting address of the region to reserve. If NULL, it lets operating system to decide where to allocate it. + //! @param size The size to server. + ZPL_DEF zpl_virtual_memory zpl_vm_alloc(void *addr, zpl_isize size); + + //! Release the virtual memory. + ZPL_DEF zpl_b32 zpl_vm_free(zpl_virtual_memory vm); + + //! Trim virtual memory. + ZPL_DEF zpl_virtual_memory zpl_vm_trim(zpl_virtual_memory vm, zpl_isize lead_size, zpl_isize size); + + //! Purge virtual memory. + ZPL_DEF zpl_b32 zpl_vm_purge(zpl_virtual_memory vm); + + //! Retrieve VM's page size and alignment. + ZPL_DEF zpl_isize zpl_virtual_memory_page_size(zpl_isize *alignment_out); + + ZPL_END_C_DECLS + // file: header/core/memory_custom.h + + //////////////////////////////////////////////////////////////// + // + // Custom Allocation + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef enum zplAllocationType { + ZPL_ALLOCATION_ALLOC, + ZPL_ALLOCATION_FREE, + ZPL_ALLOCATION_FREE_ALL, + ZPL_ALLOCATION_RESIZE, + } zplAllocationType; + + // NOTE: This is useful so you can define an allocator of the same type and parameters + #define ZPL_ALLOCATOR_PROC(name) \ + void *name(void *allocator_data, zplAllocationType type, zpl_isize size, zpl_isize alignment, void *old_memory, \ + zpl_isize old_size, zpl_u64 flags) + typedef ZPL_ALLOCATOR_PROC(zpl_allocator_proc); + + + typedef struct zpl_allocator { + zpl_allocator_proc *proc; + void *data; + } zpl_allocator; + + typedef enum zplAllocatorFlag { + ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO = ZPL_BIT(0), + } zplAllocatorFlag; + + #ifndef ZPL_DEFAULT_MEMORY_ALIGNMENT + #define ZPL_DEFAULT_MEMORY_ALIGNMENT (2 * zpl_size_of(void *)) + #endif + + #ifndef ZPL_DEFAULT_ALLOCATOR_FLAGS + #define ZPL_DEFAULT_ALLOCATOR_FLAGS (ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) + #endif + + //! Allocate memory with specified alignment. + ZPL_DEF_INLINE void *zpl_alloc_align(zpl_allocator a, zpl_isize size, zpl_isize alignment); + + //! Allocate memory with default alignment. + ZPL_DEF_INLINE void *zpl_alloc(zpl_allocator a, zpl_isize size); + + //! Free allocated memory. + ZPL_DEF_INLINE void zpl_free(zpl_allocator a, void *ptr); + + //! Free all memory allocated by an allocator. + ZPL_DEF_INLINE void zpl_free_all(zpl_allocator a); + + //! Resize an allocated memory. + ZPL_DEF_INLINE void *zpl_resize(zpl_allocator a, void *ptr, zpl_isize old_size, zpl_isize new_size); + + //! Resize an allocated memory with specified alignment. + ZPL_DEF_INLINE void *zpl_resize_align(zpl_allocator a, void *ptr, zpl_isize old_size, zpl_isize new_size, zpl_isize alignment); + + //! Allocate memory and copy data into it. + ZPL_DEF_INLINE void *zpl_alloc_copy(zpl_allocator a, void const *src, zpl_isize size); + + //! Allocate memory with specified alignment and copy data into it. + ZPL_DEF_INLINE void *zpl_alloc_copy_align(zpl_allocator a, void const *src, zpl_isize size, zpl_isize alignment); + + //! Allocate memory for null-terminated C-String. + ZPL_DEF_INLINE char *zpl_alloc_str(zpl_allocator a, char const *str); + + //! Allocate memory for C-String with specified size. + ZPL_DEF_INLINE char *zpl_alloc_str_len(zpl_allocator a, char const *str, zpl_isize len); + + #ifndef zpl_alloc_item + + //! Allocate memory for an item. + #define zpl_alloc_item(allocator_, Type) (Type *)zpl_alloc(allocator_, zpl_size_of(Type)) + + //! Allocate memory for an array of items. + #define zpl_alloc_array(allocator_, Type, count) (Type *)zpl_alloc(allocator_, zpl_size_of(Type) * (count)) + #endif + + //! Allocate/Resize memory using default options. + + //! Use this if you don't need a "fancy" resize allocation + ZPL_DEF_INLINE void *zpl_default_resize_align(zpl_allocator a, void *ptr, zpl_isize old_size, zpl_isize new_size, zpl_isize alignment); + + //! The heap allocator backed by operating system's memory manager. + ZPL_DEF_INLINE zpl_allocator zpl_heap_allocator(void); + ZPL_DEF ZPL_ALLOCATOR_PROC(zpl_heap_allocator_proc); + + #ifndef zpl_malloc + + //! Helper to allocate memory using heap allocator. + #define zpl_malloc(sz) zpl_alloc(zpl_heap_allocator( ), sz) + + //! Helper to free memory allocated by heap allocator. + #define zpl_mfree(ptr) zpl_free(zpl_heap_allocator( ), ptr) + + //! Alias to heap allocator. + #define zpl_heap zpl_heap_allocator + #endif + + // + // Arena Allocator + // + + typedef struct zpl_arena { + zpl_allocator backing; + void *physical_start; + zpl_isize total_size; + zpl_isize total_allocated; + zpl_isize temp_count; + } zpl_arena; + + //! Initialize memory arena from existing memory region. + ZPL_DEF_INLINE void zpl_arena_init_from_memory(zpl_arena *arena, void *start, zpl_isize size); + + //! Initialize memory arena using existing memory allocator. + ZPL_DEF_INLINE void zpl_arena_init_from_allocator(zpl_arena *arena, zpl_allocator backing, zpl_isize size); + + //! Initialize memory arena within an existing parent memory arena. + ZPL_DEF_INLINE void zpl_arena_init_sub(zpl_arena *arena, zpl_arena *parent_arena, zpl_isize size); + + //! Release the memory used by memory arena. + ZPL_DEF_INLINE void zpl_arena_free(zpl_arena *arena); + + + //! Retrieve memory arena's aligned allocation address. + ZPL_DEF_INLINE zpl_isize zpl_arena_alignment_of(zpl_arena *arena, zpl_isize alignment); + + //! Retrieve memory arena's remaining size. + ZPL_DEF_INLINE zpl_isize zpl_arena_size_remaining(zpl_arena *arena, zpl_isize alignment); + + //! Check whether memory arena has any temporary snapshots. + ZPL_DEF_INLINE void zpl_arena_check(zpl_arena *arena); + + //! Allocation Types: alloc, free_all, resize + ZPL_DEF_INLINE zpl_allocator zpl_arena_allocator(zpl_arena *arena); + ZPL_DEF ZPL_ALLOCATOR_PROC(zpl_arena_allocator_proc); + + + typedef struct zpl_temp_arena_memory { + zpl_arena *arena; + zpl_isize original_count; + } zpl_temp_arena_memory; + + //! Capture a snapshot of used memory in a memory arena. + ZPL_DEF_INLINE zpl_temp_arena_memory zpl_temp_arena_memory_begin(zpl_arena *arena); + + //! Reset memory arena's usage by a captured snapshot. + ZPL_DEF_INLINE void zpl_temp_arena_memory_end(zpl_temp_arena_memory tmp_mem); + + // + // Pool Allocator + // + + + typedef struct zpl_pool { + zpl_allocator backing; + void *physical_start; + void *free_list; + zpl_isize block_size; + zpl_isize block_align; + zpl_isize total_size; + zpl_isize num_blocks; + } zpl_pool; + + + //! Initialize pool allocator. + ZPL_DEF_INLINE void zpl_pool_init(zpl_pool *pool, zpl_allocator backing, zpl_isize num_blocks, zpl_isize block_size); + + //! Initialize pool allocator with specific block alignment. + ZPL_DEF void zpl_pool_init_align(zpl_pool *pool, zpl_allocator backing, zpl_isize num_blocks, zpl_isize block_size, + zpl_isize block_align); + + //! Release the resources used by pool allocator. + ZPL_DEF_INLINE void zpl_pool_free(zpl_pool *pool); + + //! Allocation Types: alloc, free + ZPL_DEF_INLINE zpl_allocator zpl_pool_allocator(zpl_pool *pool); + ZPL_DEF ZPL_ALLOCATOR_PROC(zpl_pool_allocator_proc); + + + typedef struct zpl_allocation_header_ev { + zpl_isize size; + } zpl_allocation_header_ev; + + ZPL_DEF_INLINE zpl_allocation_header_ev *zpl_allocation_header(void *data); + ZPL_DEF_INLINE void zpl_allocation_header_fill(zpl_allocation_header_ev *header, void *data, zpl_isize size); + + #if defined(ZPL_ARCH_32_BIT) + #define ZPL_ISIZE_HIGH_BIT 0x80000000 + #elif defined(ZPL_ARCH_64_BIT) + #define ZPL_ISIZE_HIGH_BIT 0x8000000000000000ll + #else + #error + #endif + + // + // Scratch Memory Allocator - Ring Buffer Based Arena + // + + + typedef struct zpl_scratch_memory { + void *physical_start; + zpl_isize total_size; + void *alloc_point; + void *free_point; + } zpl_scratch_memory; + + //! Initialize ring buffer arena. + ZPL_DEF void zpl_scratch_memory_init(zpl_scratch_memory *s, void *start, zpl_isize size); + + //! Check whether ring buffer arena is in use. + ZPL_DEF zpl_b32 zpl_scratch_memory_is_in_use(zpl_scratch_memory *s, void *ptr); + + //! Allocation Types: alloc, free, free_all, resize + ZPL_DEF zpl_allocator zpl_scratch_allocator(zpl_scratch_memory *s); + ZPL_DEF ZPL_ALLOCATOR_PROC(zpl_scratch_allocator_proc); + + // + // Stack Memory Allocator + // + + + typedef struct zpl_stack_memory { + zpl_allocator backing; + + void *physical_start; + zpl_usize total_size; + zpl_usize allocated; + } zpl_stack_memory; + + //! Initialize stack allocator from existing memory. + ZPL_DEF_INLINE void zpl_stack_memory_init_from_memory(zpl_stack_memory *s, void *start, zpl_isize size); + + //! Initialize stack allocator using existing memory allocator. + ZPL_DEF_INLINE void zpl_stack_memory_init(zpl_stack_memory *s, zpl_allocator backing, zpl_isize size); + + //! Check whether stack allocator is in use. + ZPL_DEF_INLINE zpl_b32 zpl_stack_memory_is_in_use(zpl_stack_memory *s, void *ptr); + + //! Release the resources used by stack allocator. + ZPL_DEF_INLINE void zpl_stack_memory_free(zpl_stack_memory *s); + + //! Allocation Types: alloc, free, free_all + ZPL_DEF_INLINE zpl_allocator zpl_stack_allocator(zpl_stack_memory *s); + ZPL_DEF ZPL_ALLOCATOR_PROC(zpl_stack_allocator_proc); + + // TODO: Fixed heap allocator + // TODO: General heap allocator. Maybe a TCMalloc like clone? + + + /* inlines */ + + ZPL_IMPL_INLINE void *zpl_alloc_align(zpl_allocator a, zpl_isize size, zpl_isize alignment) { + return a.proc(a.data, ZPL_ALLOCATION_ALLOC, size, alignment, NULL, 0, ZPL_DEFAULT_ALLOCATOR_FLAGS); + } + ZPL_IMPL_INLINE void *zpl_alloc(zpl_allocator a, zpl_isize size) { + return zpl_alloc_align(a, size, ZPL_DEFAULT_MEMORY_ALIGNMENT); + } + ZPL_IMPL_INLINE void zpl_free(zpl_allocator a, void *ptr) { + if (ptr != NULL) a.proc(a.data, ZPL_ALLOCATION_FREE, 0, 0, ptr, 0, ZPL_DEFAULT_ALLOCATOR_FLAGS); + } + ZPL_IMPL_INLINE void zpl_free_all(zpl_allocator a) { + a.proc(a.data, ZPL_ALLOCATION_FREE_ALL, 0, 0, NULL, 0, ZPL_DEFAULT_ALLOCATOR_FLAGS); + } + ZPL_IMPL_INLINE void *zpl_resize(zpl_allocator a, void *ptr, zpl_isize old_size, zpl_isize new_size) { + return zpl_resize_align(a, ptr, old_size, new_size, ZPL_DEFAULT_MEMORY_ALIGNMENT); + } + ZPL_IMPL_INLINE void *zpl_resize_align(zpl_allocator a, void *ptr, zpl_isize old_size, zpl_isize new_size, zpl_isize alignment) { + return a.proc(a.data, ZPL_ALLOCATION_RESIZE, new_size, alignment, ptr, old_size, ZPL_DEFAULT_ALLOCATOR_FLAGS); + } + + ZPL_IMPL_INLINE void *zpl_alloc_copy(zpl_allocator a, void const *src, zpl_isize size) { + return zpl_memcopy(zpl_alloc(a, size), src, size); + } + ZPL_IMPL_INLINE void *zpl_alloc_copy_align(zpl_allocator a, void const *src, zpl_isize size, zpl_isize alignment) { + return zpl_memcopy(zpl_alloc_align(a, size, alignment), src, size); + } + + ZPL_IMPL_INLINE char *zpl_alloc_str_len(zpl_allocator a, char const *str, zpl_isize len) { + char *result; + result = cast(char *) zpl_alloc_copy(a, str, len + 1); + result[len] = '\0'; + return result; + } + + ZPL_IMPL_INLINE void *zpl_default_resize_align(zpl_allocator a, void *old_memory, zpl_isize old_size, zpl_isize new_size, + zpl_isize alignment) { + if (!old_memory) return zpl_alloc_align(a, new_size, alignment); + + if (new_size == 0) { + zpl_free(a, old_memory); + return NULL; + } + + if (new_size < old_size) new_size = old_size; + + if (old_size == new_size) { + return old_memory; + } else { + void *new_memory = zpl_alloc_align(a, new_size, alignment); + if (!new_memory) return NULL; + zpl_memmove(new_memory, old_memory, zpl_min(new_size, old_size)); + zpl_free(a, old_memory); + return new_memory; + } + } + + + // + // Heap Allocator + // + + ZPL_IMPL_INLINE zpl_allocator zpl_heap_allocator(void) { + zpl_allocator a; + a.proc = zpl_heap_allocator_proc; + a.data = NULL; + return a; + } + + // + // Arena Allocator + // + + ZPL_IMPL_INLINE void zpl_arena_init_from_memory(zpl_arena *arena, void *start, zpl_isize size) { + arena->backing.proc = NULL; + arena->backing.data = NULL; + arena->physical_start = start; + arena->total_size = size; + arena->total_allocated = 0; + arena->temp_count = 0; + } + + ZPL_IMPL_INLINE void zpl_arena_init_from_allocator(zpl_arena *arena, zpl_allocator backing, zpl_isize size) { + arena->backing = backing; + arena->physical_start = zpl_alloc(backing, size); // NOTE: Uses default alignment + arena->total_size = size; + arena->total_allocated = 0; + arena->temp_count = 0; + } + + ZPL_IMPL_INLINE void zpl_arena_init_sub(zpl_arena *arena, zpl_arena *parent_arena, zpl_isize size) { + zpl_arena_init_from_allocator(arena, zpl_arena_allocator(parent_arena), size); + } + + ZPL_IMPL_INLINE void zpl_arena_free(zpl_arena *arena) { + if (arena->backing.proc) { + zpl_free(arena->backing, arena->physical_start); + arena->physical_start = NULL; + } + } + + ZPL_IMPL_INLINE zpl_isize zpl_arena_alignment_of(zpl_arena *arena, zpl_isize alignment) { + zpl_isize alignment_offset, result_pointer, mask; + ZPL_ASSERT(zpl_is_power_of_two(alignment)); + + alignment_offset = 0; + result_pointer = cast(zpl_isize) arena->physical_start + arena->total_allocated; + mask = alignment - 1; + if (result_pointer & mask) alignment_offset = alignment - (result_pointer & mask); + + return alignment_offset; + } + + ZPL_IMPL_INLINE zpl_isize zpl_arena_size_remaining(zpl_arena *arena, zpl_isize alignment) { + zpl_isize result = arena->total_size - (arena->total_allocated + zpl_arena_alignment_of(arena, alignment)); + return result; + } + + ZPL_IMPL_INLINE void zpl_arena_check(zpl_arena *arena) { ZPL_ASSERT(arena->temp_count == 0); } + + ZPL_IMPL_INLINE zpl_allocator zpl_arena_allocator(zpl_arena *arena) { + zpl_allocator allocator; + allocator.proc = zpl_arena_allocator_proc; + allocator.data = arena; + return allocator; + } + + ZPL_IMPL_INLINE zpl_temp_arena_memory zpl_temp_arena_memory_begin(zpl_arena *arena) { + zpl_temp_arena_memory tmp; + tmp.arena = arena; + tmp.original_count = arena->total_allocated; + arena->temp_count++; + return tmp; + } + + ZPL_IMPL_INLINE void zpl_temp_arena_memory_end(zpl_temp_arena_memory tmp) { + ZPL_ASSERT(tmp.arena->total_allocated >= tmp.original_count); + ZPL_ASSERT(tmp.arena->temp_count > 0); + tmp.arena->total_allocated = tmp.original_count; + tmp.arena->temp_count--; + } + + // + // Pool Allocator + // + + ZPL_IMPL_INLINE void zpl_pool_init(zpl_pool *pool, zpl_allocator backing, zpl_isize num_blocks, zpl_isize block_size) { + zpl_pool_init_align(pool, backing, num_blocks, block_size, ZPL_DEFAULT_MEMORY_ALIGNMENT); + } + + ZPL_IMPL_INLINE void zpl_pool_free(zpl_pool *pool) { + if (pool->backing.proc) { zpl_free(pool->backing, pool->physical_start); } + } + + ZPL_IMPL_INLINE zpl_allocator zpl_pool_allocator(zpl_pool *pool) { + zpl_allocator allocator; + allocator.proc = zpl_pool_allocator_proc; + allocator.data = pool; + return allocator; + } + + ZPL_IMPL_INLINE zpl_allocation_header_ev *zpl_allocation_header(void *data) { + zpl_isize *p = cast(zpl_isize *) data; + while (p[-1] == cast(zpl_isize)(-1)) p--; + return cast(zpl_allocation_header_ev *) p - 1; + } + + ZPL_IMPL_INLINE void zpl_allocation_header_fill(zpl_allocation_header_ev *header, void *data, zpl_isize size) { + zpl_isize *ptr; + header->size = size; + ptr = cast(zpl_isize *)(header + 1); + while (cast(void *) ptr < data) *ptr++ = cast(zpl_isize)(-1); + } + + // + // Stack Memory Allocator + // + + #define ZPL_STACK_ALLOC_OFFSET sizeof(zpl_u64) + ZPL_STATIC_ASSERT(ZPL_STACK_ALLOC_OFFSET == 8, "ZPL_STACK_ALLOC_OFFSET != 8"); + + ZPL_IMPL_INLINE void zpl_stack_memory_init_from_memory(zpl_stack_memory *s, void *start, zpl_isize size) { + s->physical_start = start; + s->total_size = size; + s->allocated = 0; + } + + ZPL_IMPL_INLINE void zpl_stack_memory_init(zpl_stack_memory *s, zpl_allocator backing, zpl_isize size) { + s->backing = backing; + s->physical_start = zpl_alloc(backing, size); + s->total_size = size; + s->allocated = 0; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_stack_memory_is_in_use(zpl_stack_memory *s, void *ptr) { + if (s->allocated == 0) return false; + + if (ptr > s->physical_start && ptr < zpl_pointer_add(s->physical_start, s->total_size)) { return true; } + + return false; + } + + ZPL_IMPL_INLINE void zpl_stack_memory_free(zpl_stack_memory *s) { + if (s->backing.proc) { + zpl_free(s->backing, s->physical_start); + s->physical_start = NULL; + } + } + + ZPL_IMPL_INLINE zpl_allocator zpl_stack_allocator(zpl_stack_memory *s) { + zpl_allocator a; + a.proc = zpl_stack_allocator_proc; + a.data = s; + return a; + } + + ZPL_END_C_DECLS + // file: header/core/collections/array.h + + //////////////////////////////////////////////////////////////// + // + // Dynamic Array (POD Types) + // + // zpl_array(Type) works like zpl_string or zpl_buffer where the actual type is just a pointer to the first + // element. + // + // Available Procedures for zpl_array(Type) + // zpl_array_init + // zpl_array_free + // zpl_array_set_capacity + // zpl_array_grow + // zpl_array_append + // zpl_array_appendv + // zpl_array_pop + // zpl_array_clear + // zpl_array_back + // zpl_array_front + // zpl_array_resize + // zpl_array_reserve + // + + #if 0 // Example + void foo(void) { + zpl_isize i; + int test_values[] = {4, 2, 1, 7}; + zpl_allocator a = zpl_heap_allocator(); + zpl_array(int) items; + + zpl_array_init(items, a); + + zpl_array_append(items, 1); + zpl_array_append(items, 4); + zpl_array_append(items, 9); + zpl_array_append(items, 16); + + items[1] = 3; // Manually set value + // NOTE: No array bounds checking + + for (i = 0; i < items.count; i++) + zpl_printf("%d\n", items[i]); + // 1 + // 3 + // 9 + // 16 + + zpl_array_clear(items); + + zpl_array_appendv(items, test_values, zpl_count_of(test_values)); + for (i = 0; i < items.count; i++) + zpl_printf("%d\n", items[i]); + // 4 + // 2 + // 1 + // 7 + + zpl_array_free(items); + } + #endif + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_array_header { + char *data; + zpl_isize count; + zpl_isize capacity; + zpl_allocator allocator; + } zpl_array_header; + + #define zpl_array(Type) Type * + + #define zpl_array_make(Type, Name, allocator) Type *Name; zpl_array_init(Name, allocator) + + #ifndef ZPL_ARRAY_GROW_FORMULA + #define ZPL_ARRAY_GROW_FORMULA(x) (2 * (x) + 8) + #endif + + ZPL_STATIC_ASSERT(ZPL_ARRAY_GROW_FORMULA(0) > 0, "ZPL_ARRAY_GROW_FORMULA(0) <= 0"); + + #define ZPL_ARRAY_HEADER(x) (cast(zpl_array_header *)(x) - 1) + #define zpl_array_allocator(x) (ZPL_ARRAY_HEADER(x)->allocator) + #define zpl_array_count(x) (ZPL_ARRAY_HEADER(x)->count) + #define zpl_array_capacity(x) (ZPL_ARRAY_HEADER(x)->capacity) + #define zpl_array_end(x) (x + (zpl_array_count(x) - 1)) + + #define zpl_array_init_reserve(x, allocator_, cap) \ + do { \ + void **zpl__array_ = cast(void **) & (x); \ + zpl_array_header *zpl__ah = \ + cast(zpl_array_header *) zpl_alloc(allocator_, zpl_size_of(zpl_array_header) + zpl_size_of(*(x)) * (cap)); \ + zpl__ah->allocator = allocator_; \ + zpl__ah->count = 0; \ + zpl__ah->data = (char *)x; \ + zpl__ah->capacity = cap; \ + *zpl__array_ = cast(void *)(zpl__ah + 1); \ + } while (0) + + // NOTE: Give it an initial default capacity + #define zpl_array_init(x, allocator) zpl_array_init_reserve(x, allocator, ZPL_ARRAY_GROW_FORMULA(0)) + + #define zpl_array_free(x) \ + do { \ + zpl_array_header *zpl__ah = ZPL_ARRAY_HEADER(x); \ + zpl_free(zpl__ah->allocator, zpl__ah); \ + } while (0) + + #define zpl_array_set_capacity(x, capacity) \ + do { \ + if (x) { \ + void **zpl__array_ = cast(void **) & (x); \ + *zpl__array_ = zpl__array_set_capacity((x), (capacity), zpl_size_of(*(x))); \ + } \ + } while (0) + + // NOTE: Do not use the thing below directly, use the macro + ZPL_DEF void *zpl__array_set_capacity(void *array, zpl_isize capacity, zpl_isize element_size); + + #define zpl_array_grow(x, min_capacity) \ + do { \ + zpl_isize new_capacity = ZPL_ARRAY_GROW_FORMULA(zpl_array_capacity(x)); \ + if (new_capacity < (min_capacity)) new_capacity = (min_capacity); \ + zpl_array_set_capacity(x, new_capacity); \ + } while (0) + + #define zpl_array_append(x, item) \ + do { \ + if (zpl_array_capacity(x) < zpl_array_count(x) + 1) zpl_array_grow(x, 0); \ + (x)[zpl_array_count(x)++] = (item); \ + } while (0) + + #define zpl_array_append_at(x, item, ind) \ + do { \ + zpl_array_header *zpl__ah = ZPL_ARRAY_HEADER(x); \ + if (ind == zpl__ah->count) { zpl_array_append(x, item); break; } \ + if (zpl_array_capacity(x) < zpl_array_count(x) + 1) zpl_array_grow(x, 0); \ + zpl_memmove(&(x)[ind + 1], (x + ind), zpl_size_of(x[0]) * (zpl__ah->count - ind)); \ + x[ind] = item; \ + zpl__ah->count++; \ + } while (0) + + #define zpl_array_appendv(x, items, item_count) \ + do { \ + zpl_array_header *zpl__ah = ZPL_ARRAY_HEADER(x); \ + ZPL_ASSERT(zpl_size_of((items)[0]) == zpl_size_of((x)[0])); \ + if (zpl__ah->capacity < zpl__ah->count + (item_count)) zpl_array_grow(x, zpl__ah->count + (item_count)); \ + zpl_memcopy(&(x)[zpl__ah->count], (items), zpl_size_of((x)[0]) * (item_count)); \ + zpl__ah->count += (item_count); \ + } while (0) + + #define zpl_array_remove_at(x, index) \ + do { \ + zpl_array_header *zpl__ah = ZPL_ARRAY_HEADER(x); \ + ZPL_ASSERT(index < zpl__ah->count); \ + zpl_memmove(x + index, x + index + 1, zpl_size_of(x[0]) * (zpl__ah->count - index)); \ + --zpl__ah->count; \ + } while (0) + + #define zpl_array_copy_init(y, x) \ + do { \ + zpl_array_init_reserve(y, zpl_array_allocator(x), zpl_array_capacity(x)); \ + zpl_memcopy(y, x, zpl_array_capacity(x) * zpl_size_of(*x)); \ + zpl_array_count(y) = zpl_array_count(x); \ + } while (0) + + #define zpl_array_pop(x) \ + do { \ + ZPL_ASSERT(ZPL_ARRAY_HEADER(x)->count > 0); \ + ZPL_ARRAY_HEADER(x)->count--; \ + } while (0) + #define zpl_array_back(x) x[ZPL_ARRAY_HEADER(x)->count - 1] + #define zpl_array_front(x) x[0] + #define zpl_array_clear(x) \ + do { ZPL_ARRAY_HEADER(x)->count = 0; } while (0) + + #define zpl_array_resize(x, new_count) \ + do { \ + if (ZPL_ARRAY_HEADER(x)->capacity < (new_count)) zpl_array_grow(x, (new_count)); \ + ZPL_ARRAY_HEADER(x)->count = (new_count); \ + } while (0) + + #define zpl_array_reserve(x, new_capacity) \ + do { \ + if (ZPL_ARRAY_HEADER(x)->capacity < (new_capacity)) zpl_array_set_capacity(x, new_capacity); \ + } while (0) + + ZPL_END_C_DECLS + // file: header/core/collections/buffer.h + + //////////////////////////////////////////////////////////////// + // + // Fixed Capacity Buffer (POD Types) + // + // + // zpl_buffer(Type) works like zpl_string or zpl_array where the actual type is just a pointer to the first + // element. + // + // Available Procedures for zpl_buffer(Type) + // zpl_buffer_init + // zpl_buffer_free + // zpl_buffer_append + // zpl_buffer_appendv + // zpl_buffer_pop + // zpl_buffer_clear + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_buffer_header { + zpl_allocator backing; + zpl_isize count; + zpl_isize capacity; + } zpl_buffer_header; + + #define zpl_buffer(Type) Type * + + #define zpl_buffer_make(Type, Name, allocator, cap) Type *Name; zpl_buffer_init(Name, allocator, cap) + + #define ZPL_BUFFER_HEADER(x) (cast(zpl_buffer_header *)(x) - 1) + #define zpl_buffer_count(x) (ZPL_BUFFER_HEADER(x)->count) + #define zpl_buffer_capacity(x) (ZPL_BUFFER_HEADER(x)->capacity) + #define zpl_buffer_end(x) (x + (zpl_buffer_count(x) - 1)) + + #define zpl_buffer_init(x, allocator, cap) \ + do { \ + void **nx = cast(void **) & (x); \ + zpl_buffer_header *zpl__bh = \ + cast(zpl_buffer_header *) zpl_alloc((allocator), sizeof(zpl_buffer_header) + (cap)*zpl_size_of(*(x))); \ + zpl__bh->backing = allocator; \ + zpl__bh->count = 0; \ + zpl__bh->capacity = cap; \ + *nx = cast(void *)(zpl__bh + 1); \ + } while (0) + + #define zpl_buffer_free(x) (zpl_free(ZPL_BUFFER_HEADER(x)->backing, ZPL_BUFFER_HEADER(x))) + + #define zpl_buffer_append(x, item) \ + do { (x)[zpl_buffer_count(x)++] = (item); } while (0) + + #define zpl_buffer_appendv(x, items, item_count) \ + do { \ + ZPL_ASSERT(zpl_size_of(*(items)) == zpl_size_of(*(x))); \ + ZPL_ASSERT(zpl_buffer_count(x) + item_count <= zpl_buffer_capacity(x)); \ + zpl_memcopy(&(x)[zpl_buffer_count(x)], (items), zpl_size_of(*(x)) * (item_count)); \ + zpl_buffer_count(x) += (item_count); \ + } while (0) + + #define zpl_buffer_copy_init(y, x) \ + do { \ + zpl_buffer_init_reserve(y, zpl_buffer_allocator(x), zpl_buffer_capacity(x)); \ + zpl_memcopy(y, x, zpl_buffer_capacity(x) * zpl_size_of(*x)); \ + zpl_buffer_count(y) = zpl_buffer_count(x); \ + } while (0) + + #define zpl_buffer_pop(x) \ + do { \ + ZPL_ASSERT(zpl_buffer_count(x) > 0); \ + zpl_buffer_count(x)--; \ + } while (0) + #define zpl_buffer_clear(x) \ + do { zpl_buffer_count(x) = 0; } while (0) + + ZPL_END_C_DECLS + // file: header/core/collections/list.h + + //////////////////////////////////////////////////////////////// + // + // Linked List + // + // zpl_list encapsulates pointer to data and points to the next and the previous element in the list. + // + // Available Procedures for zpl_list + // zpl_list_init + // zpl_list_add + // zpl_list_remove + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if 0 + #define ZPL_IMPLEMENTATION + #include "zpl.h" + int main(void) + { + zpl_list s, *head, *cursor; + zpl_list_init(&s, "it is optional to call init: "); + head = cursor = &s; + + // since we can construct an element implicitly this way + // the second field gets overwritten once we add it to a list. + zpl_list a = {"hello"}; + cursor = zpl_list_add(cursor, &a); + + zpl_list b = {"world"}; + cursor = zpl_list_add(cursor, &b); + + zpl_list c = {"!!! OK"}; + cursor = zpl_list_add(cursor, &c); + + for (zpl_list *l=head; l; l=l->next) { + zpl_printf("%s ", cast(char *)l->ptr); + } + zpl_printf("\n"); + + return 0; + } + #endif + + + typedef struct zpl__list { + void const *ptr; + struct zpl__list *next, *prev; + } zpl_list; + + ZPL_DEF_INLINE void zpl_list_init(zpl_list *list, void const *ptr); + ZPL_DEF_INLINE zpl_list *zpl_list_add(zpl_list *list, zpl_list *item); + + // NOTE(zaklaus): Returns a pointer to the next node (or NULL if the removed node has no trailing node.) + ZPL_DEF_INLINE zpl_list *zpl_list_remove(zpl_list *list); + + + ZPL_IMPL_INLINE void zpl_list_init(zpl_list *list, void const *ptr) { + zpl_list list_ = { 0 }; + *list = list_; + list->ptr = ptr; + } + + ZPL_IMPL_INLINE zpl_list *zpl_list_add(zpl_list *list, zpl_list *item) { + item->next = NULL; + + if (list->next) { item->next = list->next; } + + list->next = item; + item->prev = list; + return item; + } + + ZPL_IMPL_INLINE zpl_list *zpl_list_remove(zpl_list *list) { + if (list->prev) { list->prev->next = list->next; } + + return list->next; + } + + ZPL_END_C_DECLS + // file: header/core/collections/ring.h + + //////////////////////////////////////////////////////////////// + // + // Instantiated Circular buffer + // + /* + int main() + { + zpl_ring_zpl_u32 pad={0}; + zpl_ring_zpl_u32_init(&pad, zpl_heap(), 3); + zpl_ring_zpl_u32_append(&pad, 1); + zpl_ring_zpl_u32_append(&pad, 2); + zpl_ring_zpl_u32_append(&pad, 3); + + while (!zpl_ring_zpl_u32_empty(&pad)) { + zpl_printf("Result is %d\n", *zpl_ring_zpl_u32_get(&pad)); + } + + zpl_ring_zpl_u32_free(&pad); + + return 0; + } + */ + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #define ZPL_RING_DECLARE(type) \ + typedef struct { \ + zpl_allocator backing; \ + zpl_buffer(type) buf; \ + zpl_usize head, tail; \ + zpl_usize capacity; \ + } ZPL_JOIN2(zpl_ring_, type); \ + \ + ZPL_DEF void ZPL_JOIN3(zpl_ring_, type, _init)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_allocator a, zpl_isize max_size); \ + ZPL_DEF void ZPL_JOIN3(zpl_ring_, type, _free)(ZPL_JOIN2(zpl_ring_, type) * pad); \ + ZPL_DEF zpl_b32 ZPL_JOIN3(zpl_ring_, type, _full)(ZPL_JOIN2(zpl_ring_, type) * pad); \ + ZPL_DEF zpl_b32 ZPL_JOIN3(zpl_ring_, type, _empty)(ZPL_JOIN2(zpl_ring_, type) * pad); \ + ZPL_DEF void ZPL_JOIN3(zpl_ring_, type, _append)(ZPL_JOIN2(zpl_ring_, type) * pad, type data); \ + ZPL_DEF void ZPL_JOIN3(zpl_ring_, type, _append_array)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_array(type) data); \ + ZPL_DEF type *ZPL_JOIN3(zpl_ring_, type, _get)(ZPL_JOIN2(zpl_ring_, type) * pad); \ + ZPL_DEF zpl_array(type) \ + ZPL_JOIN3(zpl_ring_, type, _get_array)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_usize max_size, zpl_allocator a); + + #define ZPL_RING_DEFINE(type) \ + void ZPL_JOIN3(zpl_ring_, type, _init)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_allocator a, zpl_isize max_size) { \ + ZPL_JOIN2(zpl_ring_, type) pad_ = { 0 }; \ + *pad = pad_; \ + \ + pad->backing = a; \ + zpl_buffer_init(pad->buf, a, max_size + 1); \ + pad->capacity = max_size + 1; \ + pad->head = pad->tail = 0; \ + } \ + void ZPL_JOIN3(zpl_ring_, type, _free)(ZPL_JOIN2(zpl_ring_, type) * pad) { \ + zpl_buffer_free(pad->buf); \ + } \ + \ + zpl_b32 ZPL_JOIN3(zpl_ring_, type, _full)(ZPL_JOIN2(zpl_ring_, type) * pad) { \ + return ((pad->head + 1) % pad->capacity) == pad->tail; \ + } \ + \ + zpl_b32 ZPL_JOIN3(zpl_ring_, type, _empty)(ZPL_JOIN2(zpl_ring_, type) * pad) { return pad->head == pad->tail; } \ + \ + void ZPL_JOIN3(zpl_ring_, type, _append)(ZPL_JOIN2(zpl_ring_, type) * pad, type data) { \ + pad->buf[pad->head] = data; \ + pad->head = (pad->head + 1) % pad->capacity; \ + \ + if (pad->head == pad->tail) { pad->tail = (pad->tail + 1) % pad->capacity; } \ + } \ + \ + void ZPL_JOIN3(zpl_ring_, type, _append_array)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_array(type) data) { \ + zpl_usize c = zpl_array_count(data); \ + for (zpl_usize i = 0; i < c; ++i) { ZPL_JOIN3(zpl_ring_, type, _append)(pad, data[i]); } \ + } \ + \ + type *ZPL_JOIN3(zpl_ring_, type, _get)(ZPL_JOIN2(zpl_ring_, type) * pad) { \ + if (ZPL_JOIN3(zpl_ring_, type, _empty)(pad)) { return NULL; } \ + \ + type *data = &pad->buf[pad->tail]; \ + pad->tail = (pad->tail + 1) % pad->capacity; \ + \ + return data; \ + } \ + \ + zpl_array(type) \ + ZPL_JOIN3(zpl_ring_, type, _get_array)(ZPL_JOIN2(zpl_ring_, type) * pad, zpl_usize max_size, zpl_allocator a) { \ + zpl_array(type) vals = 0; \ + zpl_array_init(vals, a); \ + while (--max_size && !ZPL_JOIN3(zpl_ring_, type, _empty)(pad)) { \ + zpl_array_append(vals, *ZPL_JOIN3(zpl_ring_, type, _get)(pad)); \ + } \ + return vals; \ + } + + ZPL_END_C_DECLS + // file: header/core/collections/hashtable.h + + /** @file hashtable.c + @brief Instantiated hash table + @defgroup hashtable Instantiated hash table + + @n + @n This is an attempt to implement a templated hash table + @n NOTE: The key is always a zpl_u64 for simplicity and you will _probably_ _never_ need anything bigger. + @n + @n Hash table type and function declaration, call: ZPL_TABLE_DECLARE(PREFIX, NAME, N, VALUE) + @n Hash table function definitions, call: ZPL_TABLE_DEFINE(NAME, N, VALUE) + @n + @n PREFIX - a prefix for function prototypes e.g. extern, static, etc. + @n NAME - Name of the Hash Table + @n FUNC - the name will prefix function names + @n VALUE - the type of the value to be stored + @n + @n tablename_init(NAME * h, zpl_allocator a); + @n tablename_destroy(NAME * h); + @n tablename_get(NAME * h, zpl_u64 key); + @n tablename_set(NAME * h, zpl_u64 key, VALUE value); + @n tablename_grow(NAME * h); + @n tablename_rehash(NAME * h, zpl_isize new_count); + @n tablename_remove(NAME * h, zpl_u64 key); + + @{ + */ + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_hash_table_find_result { + zpl_isize hash_index; + zpl_isize entry_prev; + zpl_isize entry_index; + } zpl_hash_table_find_result; + + #define ZPL_TABLE(PREFIX, NAME, FUNC, VALUE) \ + ZPL_TABLE_DECLARE(PREFIX, NAME, FUNC, VALUE); \ + ZPL_TABLE_DEFINE(NAME, FUNC, VALUE); + + #define ZPL_TABLE_DECLARE(PREFIX, NAME, FUNC, VALUE) \ + typedef struct ZPL_JOIN2(NAME, Entry) { \ + zpl_u64 key; \ + zpl_isize next; \ + VALUE value; \ + } ZPL_JOIN2(NAME, Entry); \ + \ + typedef struct NAME { \ + zpl_array(zpl_isize) hashes; \ + zpl_array(ZPL_JOIN2(NAME, Entry)) entries; \ + } NAME; \ + \ + PREFIX void ZPL_JOIN2(FUNC, init)(NAME * h, zpl_allocator a); \ + PREFIX void ZPL_JOIN2(FUNC, destroy)(NAME * h); \ + PREFIX VALUE *ZPL_JOIN2(FUNC, get)(NAME * h, zpl_u64 key); \ + PREFIX void ZPL_JOIN2(FUNC, set)(NAME * h, zpl_u64 key, VALUE value); \ + PREFIX void ZPL_JOIN2(FUNC, grow)(NAME * h); \ + PREFIX void ZPL_JOIN2(FUNC, rehash)(NAME * h, zpl_isize new_count); \ + PREFIX void ZPL_JOIN2(FUNC, remove)(NAME * h, zpl_u64 key); + + #define ZPL_TABLE_DEFINE(NAME, FUNC, VALUE) \ + void ZPL_JOIN2(FUNC, init)(NAME * h, zpl_allocator a) { \ + zpl_array_init(h->hashes, a); \ + zpl_array_init(h->entries, a); \ + } \ + \ + void ZPL_JOIN2(FUNC, destroy)(NAME * h) { \ + if (h->entries) zpl_array_free(h->entries); \ + if (h->hashes) zpl_array_free(h->hashes); \ + } \ + \ + zpl_internal zpl_isize ZPL_JOIN2(FUNC, _add_entry)(NAME * h, zpl_u64 key) { \ + zpl_isize index; \ + ZPL_JOIN2(NAME, Entry) e = { 0 }; \ + e.key = key; \ + e.next = -1; \ + index = zpl_array_count(h->entries); \ + zpl_array_append(h->entries, e); \ + return index; \ + } \ + \ + zpl_internal zpl_hash_table_find_result ZPL_JOIN2(FUNC, _find)(NAME * h, zpl_u64 key) { \ + zpl_hash_table_find_result r = { -1, -1, -1 }; \ + if (zpl_array_count(h->hashes) > 0) { \ + r.hash_index = key % zpl_array_count(h->hashes); \ + r.entry_index = h->hashes[r.hash_index]; \ + while (r.entry_index >= 0) { \ + if (h->entries[r.entry_index].key == key) return r; \ + r.entry_prev = r.entry_index; \ + r.entry_index = h->entries[r.entry_index].next; \ + } \ + } \ + return r; \ + } \ + \ + zpl_internal zpl_b32 ZPL_JOIN2(FUNC, _full)(NAME * h) { \ + return 0.75f * zpl_array_count(h->hashes) < zpl_array_count(h->entries); \ + } \ + \ + void ZPL_JOIN2(FUNC, grow)(NAME * h) { \ + zpl_isize new_count = ZPL_ARRAY_GROW_FORMULA(zpl_array_count(h->entries)); \ + ZPL_JOIN2(FUNC, rehash)(h, new_count); \ + } \ + \ + void ZPL_JOIN2(FUNC, rehash)(NAME * h, zpl_isize new_count) { \ + zpl_isize i, j; \ + NAME nh = { 0 }; \ + ZPL_JOIN2(FUNC, init)(&nh, zpl_array_allocator(h->hashes)); \ + zpl_array_resize(nh.hashes, new_count); \ + zpl_array_reserve(nh.entries, zpl_array_count(h->entries)); \ + for (i = 0; i < new_count; i++) nh.hashes[i] = -1; \ + for (i = 0; i < zpl_array_count(h->entries); i++) { \ + ZPL_JOIN2(NAME, Entry) * e; \ + zpl_hash_table_find_result fr; \ + if (zpl_array_count(nh.hashes) == 0) ZPL_JOIN2(FUNC, grow)(&nh); \ + e = &h->entries[i]; \ + fr = ZPL_JOIN2(FUNC, _find)(&nh, e->key); \ + j = ZPL_JOIN2(FUNC, _add_entry)(&nh, e->key); \ + if (fr.entry_prev < 0) \ + nh.hashes[fr.hash_index] = j; \ + else \ + nh.entries[fr.entry_prev].next = j; \ + nh.entries[j].next = fr.entry_index; \ + nh.entries[j].value = e->value; \ + } \ + ZPL_JOIN2(FUNC, destroy)(h); \ + h->hashes = nh.hashes; \ + h->entries = nh.entries; \ + } \ + \ + VALUE *ZPL_JOIN2(FUNC, get)(NAME * h, zpl_u64 key) { \ + zpl_isize index = ZPL_JOIN2(FUNC, _find)(h, key).entry_index; \ + if (index >= 0) return &h->entries[index].value; \ + return NULL; \ + } \ + \ + void ZPL_JOIN2(FUNC, remove)(NAME * h, zpl_u64 key) { \ + zpl_hash_table_find_result fr = ZPL_JOIN2(FUNC, _find)(h, key); \ + if (fr.entry_index >= 0) { \ + if (fr.entry_prev >= 0) { \ + h->entries[fr.entry_prev].next = h->entries[fr.entry_index].next; \ + } else { \ + h->hashes[fr.hash_index] = fr.entry_index; \ + } \ + zpl_array_remove_at(h->entries, fr.entry_index); \ + } \ + ZPL_JOIN2(FUNC, rehash)(h, zpl_array_count(h->entries)); \ + } \ + \ + void ZPL_JOIN2(FUNC, set)(NAME * h, zpl_u64 key, VALUE value) { \ + zpl_isize index; \ + zpl_hash_table_find_result fr; \ + if (zpl_array_count(h->hashes) == 0) ZPL_JOIN2(FUNC, grow)(h); \ + fr = ZPL_JOIN2(FUNC, _find)(h, key); \ + if (fr.entry_index >= 0) { \ + index = fr.entry_index; \ + } else { \ + index = ZPL_JOIN2(FUNC, _add_entry)(h, key); \ + if (fr.entry_prev >= 0) { \ + h->entries[fr.entry_prev].next = index; \ + } else { \ + h->hashes[fr.hash_index] = index; \ + } \ + } \ + h->entries[index].value = value; \ + if (ZPL_JOIN2(FUNC, _full)(h)) ZPL_JOIN2(FUNC, grow)(h); \ + }\ + + //! @} + + ZPL_END_C_DECLS + // file: header/core/string.h + + /** @file string.c + @brief String operations and library + @defgroup string String library + + Offers methods for c-string manipulation, but also a string library based on gb_string, which is c-string friendly. + + @{ + */ + + //////////////////////////////////////////////////////////////// + // + // Char Functions + // + // + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_DEF_INLINE char zpl_char_to_lower(char c); + ZPL_DEF_INLINE char zpl_char_to_upper(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_space(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_digit(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_hex_digit(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_alpha(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_alphanumeric(char c); + ZPL_DEF_INLINE zpl_i32 zpl_digit_to_int(char c); + ZPL_DEF_INLINE zpl_i32 zpl_hex_digit_to_int(char c); + ZPL_DEF_INLINE zpl_u8 zpl_char_to_hex_digit(char c); + ZPL_DEF_INLINE zpl_b32 zpl_char_is_control(char c); + + // NOTE: ASCII only + ZPL_DEF_INLINE void zpl_str_to_lower(char *str); + ZPL_DEF_INLINE void zpl_str_to_upper(char *str); + + ZPL_DEF_INLINE char *zpl_str_trim(char *str, zpl_b32 skip_newline); + ZPL_DEF_INLINE char *zpl_str_skip(char *str, char c); + ZPL_DEF_INLINE char *zpl_str_control_skip(char *str, char c); + + ZPL_DEF_INLINE zpl_isize zpl_strlen(const char *str); + ZPL_DEF_INLINE zpl_isize zpl_strnlen(const char *str, zpl_isize max_len); + ZPL_DEF_INLINE zpl_i32 zpl_strcmp(const char *s1, const char *s2); + ZPL_DEF_INLINE zpl_i32 zpl_strncmp(const char *s1, const char *s2, zpl_isize len); + ZPL_DEF_INLINE char *zpl_strcpy(char *dest, const char *source); + ZPL_DEF_INLINE char *zpl_strncpy(char *dest, const char *source, zpl_isize len); + ZPL_DEF_INLINE zpl_isize zpl_strlcpy(char *dest, const char *source, zpl_isize len); + ZPL_DEF_INLINE char *zpl_strrev(char *str); // NOTE: ASCII only + ZPL_DEF_INLINE const char *zpl_strtok(char *output, const char *src, const char *delimit); + + ZPL_DEF_INLINE char *zpl_strdup(zpl_allocator a, char *src, zpl_isize max_len); + ZPL_DEF_INLINE char **zpl_str_split_lines(zpl_allocator alloc, char *source, zpl_b32 strip_whitespace); + + #define zpl_str_expand(str) str, zpl_strlen(str) + + ZPL_DEF_INLINE zpl_b32 zpl_str_has_prefix(const char *str, const char *prefix); + ZPL_DEF_INLINE zpl_b32 zpl_str_has_suffix(const char *str, const char *suffix); + + ZPL_DEF_INLINE const char *zpl_char_first_occurence(const char *str, char c); + ZPL_DEF_INLINE const char *zpl_char_last_occurence(const char *str, char c); + #define zpl_strchr zpl_char_first_occurence + + ZPL_DEF_INLINE void zpl_str_concat(char *dest, zpl_isize dest_len, const char *src_a, zpl_isize src_a_len, const char *src_b, zpl_isize src_b_len); + + ZPL_DEF zpl_u64 zpl_str_to_u64(const char *str, char **end_ptr, zpl_i32 base); // TODO: Support more than just decimal and hexadecimal + ZPL_DEF zpl_i64 zpl_str_to_i64(const char *str, char **end_ptr, zpl_i32 base); // TODO: Support more than just decimal and hexadecimal + ZPL_DEF zpl_f64 zpl_str_to_f64(const char *str, char **end_ptr); + ZPL_DEF void zpl_i64_to_str(zpl_i64 value, char *string, zpl_i32 base); + ZPL_DEF void zpl_u64_to_str(zpl_u64 value, char *string, zpl_i32 base); + + ZPL_DEF_INLINE zpl_f32 zpl_str_to_f32(const char *str, char **end_ptr); + + //////////////////////////////////////////////////////////////// + // + // UTF-8 Handling + // + // + + // NOTE: Does not check if utf-8 string is valid + ZPL_IMPL_INLINE zpl_isize zpl_utf8_strlen(zpl_u8 const *str); + ZPL_IMPL_INLINE zpl_isize zpl_utf8_strnlen(zpl_u8 const *str, zpl_isize max_len); + + // NOTE: Windows doesn't handle 8 bit filenames well + ZPL_DEF zpl_u16 *zpl_utf8_to_ucs2(zpl_u16 *buffer, zpl_isize len, zpl_u8 const *str); + ZPL_DEF zpl_u8 *zpl_ucs2_to_utf8(zpl_u8 *buffer, zpl_isize len, zpl_u16 const *str); + ZPL_DEF zpl_u16 *zpl_utf8_to_ucs2_buf(zpl_u8 const *str); // NOTE: Uses locally persisting buffer + ZPL_DEF zpl_u8 *zpl_ucs2_to_utf8_buf(zpl_u16 const *str); // NOTE: Uses locally persisting buffer + + // NOTE: Returns size of codepoint in bytes + ZPL_DEF zpl_isize zpl_utf8_decode(zpl_u8 const *str, zpl_isize str_len, zpl_rune *codepoint); + ZPL_DEF zpl_isize zpl_utf8_codepoint_size(zpl_u8 const *str, zpl_isize str_len); + ZPL_DEF zpl_isize zpl_utf8_encode_rune(zpl_u8 buf[4], zpl_rune r); + + /* inlines */ + + ZPL_IMPL_INLINE char zpl_char_to_lower(char c) { + if (c >= 'A' && c <= 'Z') return 'a' + (c - 'A'); + return c; + } + + ZPL_IMPL_INLINE char zpl_char_to_upper(char c) { + if (c >= 'a' && c <= 'z') return 'A' + (c - 'a'); + return c; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_space(char c) { + if (c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v') return true; + return false; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_digit(char c) { + if (c >= '0' && c <= '9') return true; + return false; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_hex_digit(char c) { + if (zpl_char_is_digit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F')) return true; + return false; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_alpha(char c) { + if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z')) return true; + return false; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_alphanumeric(char c) { return zpl_char_is_alpha(c) || zpl_char_is_digit(c); } + + ZPL_IMPL_INLINE zpl_i32 zpl_digit_to_int(char c) { return zpl_char_is_digit(c) ? c - '0' : c - 'W'; } + + ZPL_IMPL_INLINE zpl_i32 zpl_hex_digit_to_int(char c) { + if (zpl_char_is_digit(c)) + return zpl_digit_to_int(c); + else if (zpl_is_between(c, 'a', 'f')) + return c - 'a' + 10; + else if (zpl_is_between(c, 'A', 'F')) + return c - 'A' + 10; + return -1; + } + + ZPL_IMPL_INLINE zpl_u8 zpl_char_to_hex_digit(char c) { + if (c >= '0' && c <= '9') + return (zpl_u8)(c - '0'); + if (c >= 'a' && c <= 'f') + return (zpl_u8)(c - 'a'); + if (c >= 'A' && c <= 'F') + return (zpl_u8)(c - 'A'); + return 0; + } + + + ZPL_IMPL_INLINE void zpl_str_to_lower(char *str) { + if (!str) return; + while (*str) { + *str = zpl_char_to_lower(*str); + str++; + } + } + + ZPL_IMPL_INLINE void zpl_str_to_upper(char *str) { + if (!str) return; + while (*str) { + *str = zpl_char_to_upper(*str); + str++; + } + } + + ZPL_IMPL_INLINE zpl_isize zpl_strlen(const char *str) { + if (str == NULL) { return 0; } + + const char *begin = str; + zpl_isize const *w; + while (cast(zpl_uintptr) str % sizeof(zpl_usize)) { + if (!*str) return str - begin; + str++; + } + w = cast(zpl_isize const *) str; + while (!ZPL__HAS_ZERO(*w)) w++; + str = cast(const char *) w; + while (*str) str++; + return str - begin; + } + + ZPL_IMPL_INLINE zpl_isize zpl_strnlen(const char *str, zpl_isize max_len) { + const char *end = cast(const char *) zpl_memchr(str, 0, max_len); + if (end) return end - str; + return max_len; + } + + ZPL_IMPL_INLINE zpl_isize zpl_utf8_strlen(zpl_u8 const *str) { + zpl_isize count = 0; + for (; *str; count++) { + zpl_u8 c = *str; + zpl_isize inc = 0; + if (c < 0x80) + inc = 1; + else if ((c & 0xe0) == 0xc0) + inc = 2; + else if ((c & 0xf0) == 0xe0) + inc = 3; + else if ((c & 0xf8) == 0xf0) + inc = 4; + else + return -1; + + str += inc; + } + return count; + } + + ZPL_IMPL_INLINE zpl_isize zpl_utf8_strnlen(zpl_u8 const *str, zpl_isize max_len) { + zpl_isize count = 0; + for (; *str && max_len > 0; count++) { + zpl_u8 c = *str; + zpl_isize inc = 0; + if (c < 0x80) + inc = 1; + else if ((c & 0xe0) == 0xc0) + inc = 2; + else if ((c & 0xf0) == 0xe0) + inc = 3; + else if ((c & 0xf8) == 0xf0) + inc = 4; + else + return -1; + + str += inc; + max_len -= inc; + } + return count; + } + + ZPL_IMPL_INLINE zpl_i32 zpl_strcmp(const char *s1, const char *s2) { + while (*s1 && (*s1 == *s2)) { s1++, s2++; } + return *(zpl_u8 *)s1 - *(zpl_u8 *)s2; + } + + ZPL_IMPL_INLINE char *zpl_strcpy(char *dest, const char *source) { + ZPL_ASSERT_NOT_NULL(dest); + if (source) { + char *str = dest; + while (*source) *str++ = *source++; + } + return dest; + } + + ZPL_IMPL_INLINE char *zpl_strncpy(char *dest, const char *source, zpl_isize len) { + ZPL_ASSERT_NOT_NULL(dest); + if (source) { + char *str = dest; + while (len > 0 && *source) { + *str++ = *source++; + len--; + } + while (len > 0) { + *str++ = '\0'; + len--; + } + } + return dest; + } + + ZPL_IMPL_INLINE zpl_isize zpl_strlcpy(char *dest, const char *source, zpl_isize len) { + zpl_isize result = 0; + ZPL_ASSERT_NOT_NULL(dest); + if (source) { + const char *source_start = source; + char *str = dest; + while (len > 0 && *source) { + *str++ = *source++; + len--; + } + while (len > 0) { + *str++ = '\0'; + len--; + } + + result = source - source_start; + } + return result; + } + + ZPL_IMPL_INLINE char *zpl_strrev(char *str) { + zpl_isize len = zpl_strlen(str); + char *a = str + 0; + char *b = str + len - 1; + len /= 2; + while (len--) { + zpl_swap(char, *a, *b); + a++, b--; + } + return str; + } + + ZPL_IMPL_INLINE zpl_i32 zpl_strncmp(const char *s1, const char *s2, zpl_isize len) { + for (; len > 0; s1++, s2++, len--) { + if (*s1 != *s2) + return ((s1 < s2) ? -1 : +1); + else if (*s1 == '\0') + return 0; + } + return 0; + } + + ZPL_IMPL_INLINE const char *zpl_strtok(char *output, const char *src, const char *delimit) { + while (*src && zpl_char_first_occurence(delimit, *src) == NULL) *output++ = *src++; + + *output = 0; + return *src ? src + 1 : src; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_char_is_control(char c) { + return !!zpl_strchr("\"\\/bfnrt", c); + } + + ZPL_IMPL_INLINE zpl_b32 zpl__is_special_char(char c) { return !!zpl_strchr("<>:/", c); } + ZPL_IMPL_INLINE zpl_b32 zpl__is_assign_char(char c) { return !!zpl_strchr(":=|", c); } + ZPL_IMPL_INLINE zpl_b32 zpl__is_delim_char(char c) { return !!zpl_strchr(",|\n", c); } + + + ZPL_IMPL_INLINE char *zpl_str_control_skip(char *str, char c) { + while ((*str && *str != c) || (*(str - 1) == '\\' && *str == c && zpl_char_is_control(c))) { ++str; } + + return str; + } + + + ZPL_IMPL_INLINE zpl_b32 zpl_str_has_prefix(const char *str, const char *prefix) { + while (*prefix) { + if (*str++ != *prefix++) return false; + } + return true; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_str_has_suffix(const char *str, const char *suffix) { + zpl_isize i = zpl_strlen(str); + zpl_isize j = zpl_strlen(suffix); + if (j <= i) return zpl_strcmp(str + i - j, suffix) == 0; + return false; + } + + ZPL_IMPL_INLINE const char *zpl_char_first_occurence(const char *s, char c) { + char ch = c; + for (; *s != ch; s++) { + if (*s == '\0') return NULL; + } + return s; + } + + ZPL_IMPL_INLINE const char *zpl_char_last_occurence(const char *s, char c) { + char *result = (char*)NULL; + do { + if (*s == c) result = (char *)s; + } while (*s++); + + return result; + } + + ZPL_IMPL_INLINE char *zpl_str_trim(char *str, zpl_b32 skip_newline) + { + while (*str && zpl_char_is_space(*str) && (!skip_newline || (skip_newline && *str != '\n'))) { ++str; } + return str; + } + + ZPL_IMPL_INLINE char *zpl_str_skip(char *str, char c) { + while (*str && *str != c) { ++str; } + return str; + } + + ZPL_IMPL_INLINE void zpl_str_concat(char *dest, zpl_isize dest_len, const char *src_a, zpl_isize src_a_len, const char *src_b, + zpl_isize src_b_len) { + ZPL_ASSERT(dest_len >= src_a_len + src_b_len + 1); + if (dest) { + zpl_memcopy(dest, src_a, src_a_len); + zpl_memcopy(dest + src_a_len, src_b, src_b_len); + dest[src_a_len + src_b_len] = '\0'; + } + } + + ZPL_IMPL_INLINE zpl_f32 zpl_str_to_f32(const char *str, char **end_ptr) { + zpl_f64 f = zpl_str_to_f64(str, end_ptr); + zpl_f32 r = cast(zpl_f32) f; + return r; + } + + ZPL_IMPL_INLINE char *zpl_strdup(zpl_allocator a, char *src, zpl_isize max_len) { + ZPL_ASSERT_NOT_NULL(src); + zpl_isize len = zpl_strlen(src); + char *dest = cast(char *) zpl_alloc(a, max_len); + zpl_memset(dest + len, 0, max_len - len); + zpl_strncpy(dest, src, max_len); + + return dest; + } + + ZPL_IMPL_INLINE char **zpl_str_split_lines(zpl_allocator alloc, char *source, zpl_b32 strip_whitespace) { + char **lines = NULL, *p = source, *pd = p; + zpl_array_init(lines, alloc); + + while (*p) { + if (*pd == '\n') { + *pd = 0; + if (*(pd - 1) == '\r') *(pd - 1) = 0; + if (strip_whitespace && (pd - p) == 0) { + p = pd + 1; + continue; + } + zpl_array_append(lines, p); + p = pd + 1; + } + ++pd; + } + return lines; + } + + ZPL_END_C_DECLS + // file: header/core/stringlib.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef char *zpl_string; + + typedef struct zpl_string_header { + zpl_allocator allocator; + zpl_isize length; + zpl_isize capacity; + } zpl_string_header; + + #define ZPL_STRING_HEADER(str) (cast(zpl_string_header *)(str) - 1) + + ZPL_DEF zpl_string zpl_string_make_reserve(zpl_allocator a, zpl_isize capacity); + ZPL_DEF zpl_string zpl_string_make_length(zpl_allocator a, void const *str, zpl_isize num_bytes); + ZPL_DEF zpl_string zpl_string_sprintf(zpl_allocator a, char *buf, zpl_isize num_bytes, const char *fmt, ...); + ZPL_DEF zpl_string zpl_string_sprintf_buf(zpl_allocator a, const char *fmt, ...); // NOTE: Uses locally persistent buffer + ZPL_DEF zpl_string zpl_string_append_length(zpl_string str, void const *other, zpl_isize num_bytes); + ZPL_DEF zpl_string zpl_string_appendc(zpl_string str, const char *other); + ZPL_DEF zpl_string zpl_string_join(zpl_allocator a, const char **parts, zpl_isize count, const char *glue); + ZPL_DEF zpl_string zpl_string_set(zpl_string str, const char *cstr); + ZPL_DEF zpl_string zpl_string_make_space_for(zpl_string str, zpl_isize add_len); + ZPL_DEF zpl_isize zpl_string_allocation_size(zpl_string const str); + ZPL_DEF zpl_b32 zpl_string_are_equal(zpl_string const lhs, zpl_string const rhs); + ZPL_DEF zpl_string zpl_string_trim(zpl_string str, const char *cut_set); + ZPL_DEF zpl_string zpl_string_append_rune(zpl_string str, zpl_rune r); + ZPL_DEF zpl_string zpl_string_append_fmt(zpl_string str, const char *fmt, ...); + + ZPL_DEF_INLINE zpl_string zpl_string_make(zpl_allocator a, const char *str); + ZPL_DEF_INLINE void zpl_string_free(zpl_string str); + ZPL_DEF_INLINE void zpl_string_clear(zpl_string str); + ZPL_DEF_INLINE zpl_string zpl_string_duplicate(zpl_allocator a, zpl_string const str); + ZPL_DEF_INLINE zpl_isize zpl_string_length(zpl_string const str); + ZPL_DEF_INLINE zpl_isize zpl_string_capacity(zpl_string const str); + ZPL_DEF_INLINE zpl_isize zpl_string_available_space(zpl_string const str); + ZPL_DEF_INLINE zpl_string zpl_string_append(zpl_string str, zpl_string const other); + ZPL_DEF_INLINE zpl_string zpl_string_trim_space(zpl_string str); // Whitespace ` \t\r\n\v\f` + ZPL_DEF_INLINE void zpl__set_string_length(zpl_string str, zpl_isize len); + ZPL_DEF_INLINE void zpl__set_string_capacity(zpl_string str, zpl_isize cap); + + ZPL_IMPL_INLINE void zpl__set_string_length(zpl_string str, zpl_isize len) { ZPL_STRING_HEADER(str)->length = len; } + ZPL_IMPL_INLINE void zpl__set_string_capacity(zpl_string str, zpl_isize cap) { ZPL_STRING_HEADER(str)->capacity = cap; } + ZPL_IMPL_INLINE zpl_string zpl_string_make(zpl_allocator a, const char *str) { + zpl_isize len = str ? zpl_strlen(str) : 0; + return zpl_string_make_length(a, str, len); + } + + ZPL_IMPL_INLINE void zpl_string_free(zpl_string str) { + if (str) { + zpl_string_header *header = ZPL_STRING_HEADER(str); + zpl_free(header->allocator, header); + } + } + + ZPL_IMPL_INLINE zpl_string zpl_string_duplicate(zpl_allocator a, zpl_string const str) { + return zpl_string_make_length(a, str, zpl_string_length(str)); + } + + ZPL_IMPL_INLINE zpl_isize zpl_string_length(zpl_string const str) { return ZPL_STRING_HEADER(str)->length; } + ZPL_IMPL_INLINE zpl_isize zpl_string_capacity(zpl_string const str) { return ZPL_STRING_HEADER(str)->capacity; } + + ZPL_IMPL_INLINE zpl_isize zpl_string_available_space(zpl_string const str) { + zpl_string_header *h = ZPL_STRING_HEADER(str); + if (h->capacity > h->length) return h->capacity - h->length; + return 0; + } + + ZPL_IMPL_INLINE void zpl_string_clear(zpl_string str) { + zpl__set_string_length(str, 0); + str[0] = '\0'; + } + + ZPL_IMPL_INLINE zpl_string zpl_string_append(zpl_string str, zpl_string const other) { + return zpl_string_append_length(str, other, zpl_string_length(other)); + } + + ZPL_IMPL_INLINE zpl_string zpl_string_trim_space(zpl_string str) { return zpl_string_trim(str, " \t\r\n\v\f"); } + + + ZPL_END_C_DECLS + // file: header/core/file.h + + /** @file file.c + @brief File handling + @defgroup fileio File handling + + File I/O operations as well as path and folder structure manipulation methods. With threading enabled, it also offers async read/write methods. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef zpl_u32 zpl_file_mode; + + typedef enum zpl_file_mode_flag { + ZPL_FILE_MODE_READ = ZPL_BIT(0), + ZPL_FILE_MODE_WRITE = ZPL_BIT(1), + ZPL_FILE_MODE_APPEND = ZPL_BIT(2), + ZPL_FILE_MODE_RW = ZPL_BIT(3), + ZPL_FILE_MODES = ZPL_FILE_MODE_READ | ZPL_FILE_MODE_WRITE | ZPL_FILE_MODE_APPEND | ZPL_FILE_MODE_RW, + } zpl_file_mode_flag; + + // NOTE: Only used internally and for the file operations + typedef enum zpl_seek_whence_type { + ZPL_SEEK_WHENCE_BEGIN = 0, + ZPL_SEEK_WHENCE_CURRENT = 1, + ZPL_SEEK_WHENCE_END = 2, + } zpl_seek_whence_type; + + typedef enum zpl_file_error { + ZPL_FILE_ERROR_NONE, + ZPL_FILE_ERROR_INVALID, + ZPL_FILE_ERROR_INVALID_FILENAME, + ZPL_FILE_ERROR_EXISTS, + ZPL_FILE_ERROR_NOT_EXISTS, + ZPL_FILE_ERROR_PERMISSION, + ZPL_FILE_ERROR_TRUNCATION_FAILURE, + ZPL_FILE_ERROR_NOT_EMPTY, + ZPL_FILE_ERROR_NAME_TOO_LONG, + ZPL_FILE_ERROR_UNKNOWN, + } zpl_file_error; + + typedef union zpl_file_descriptor { + void *p; + zpl_intptr i; + zpl_uintptr u; + } zpl_file_descriptor; + + typedef struct zpl_file_operations zpl_file_operations; + + #define ZPL_FILE_OPEN_PROC(name) zpl_file_error name(zpl_file_descriptor *fd, zpl_file_operations *ops, zpl_file_mode mode, char const *filename) + #define ZPL_FILE_READ_AT_PROC(name) zpl_b32 name(zpl_file_descriptor fd, void *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_read, zpl_b32 stop_at_newline) + #define ZPL_FILE_WRITE_AT_PROC(name) zpl_b32 name(zpl_file_descriptor fd, void const *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_written) + #define ZPL_FILE_SEEK_PROC(name) zpl_b32 name(zpl_file_descriptor fd, zpl_i64 offset, zpl_seek_whence_type whence, zpl_i64 *new_offset) + #define ZPL_FILE_CLOSE_PROC(name) void name(zpl_file_descriptor fd) + + typedef ZPL_FILE_OPEN_PROC(zpl_file_open_proc); + typedef ZPL_FILE_READ_AT_PROC(zpl_file_read_proc); + typedef ZPL_FILE_WRITE_AT_PROC(zpl_file_write_proc); + typedef ZPL_FILE_SEEK_PROC(zpl_file_seek_proc); + typedef ZPL_FILE_CLOSE_PROC(zpl_file_close_proc); + + struct zpl_file_operations { + zpl_file_read_proc *read_at; + zpl_file_write_proc *write_at; + zpl_file_seek_proc *seek; + zpl_file_close_proc *close; + }; + + extern zpl_file_operations const zpl_default_file_operations; + + typedef zpl_u64 zpl_file_time; + typedef enum zpl_dir_type { + ZPL_DIR_TYPE_FILE, + ZPL_DIR_TYPE_FOLDER, + ZPL_DIR_TYPE_UNKNOWN, + } zpl_dir_type; + + struct zpl_dir_info; + + typedef struct zpl_dir_entry { + char const *filename; + struct zpl_dir_info *dir_info; + zpl_u8 type; + } zpl_dir_entry; + + typedef struct zpl_dir_info { + char const *fullpath; + zpl_dir_entry *entries; // zpl_array + + // Internals + char **filenames; // zpl_array + zpl_string buf; + } zpl_dir_info; + + typedef struct zpl_file { + zpl_file_operations ops; + zpl_file_descriptor fd; + zpl_b32 is_temp; + + char const *filename; + zpl_file_time last_write_time; + zpl_dir_entry *dir; + } zpl_file; + + typedef enum zpl_file_standard_type { + ZPL_FILE_STANDARD_INPUT, + ZPL_FILE_STANDARD_OUTPUT, + ZPL_FILE_STANDARD_ERROR, + + ZPL_FILE_STANDARD_COUNT, + } zpl_file_standard_type; + + /** + * Get standard file I/O. + * @param std Check zpl_file_standard_type + * @return File handle to standard I/O + */ + ZPL_DEF zpl_file *zpl_file_get_standard(zpl_file_standard_type std); + + /** + * Connects a system handle to a ZPL file. + * @param file Pointer to ZPL file + * @param handle Low-level OS handle to connect + */ + ZPL_DEF void zpl_file_connect_handle(zpl_file *file, void *handle); + + /** + * Creates a new file + * @param file + * @param filename + */ + ZPL_DEF zpl_file_error zpl_file_create(zpl_file *file, char const *filename); + + /** + * Opens a file + * @param file + * @param filename + */ + ZPL_DEF zpl_file_error zpl_file_open(zpl_file *file, char const *filename); + + /** + * Opens a file using a specified mode + * @param file + * @param mode Access mode to use + * @param filename + */ + ZPL_DEF zpl_file_error zpl_file_open_mode(zpl_file *file, zpl_file_mode mode, char const *filename); + + /** + * Constructs a new file from data + * @param file + * @param fd Low-level file descriptor to use + * @param ops File operations to rely upon + * @param filename + */ + ZPL_DEF zpl_file_error zpl_file_new(zpl_file *file, zpl_file_descriptor fd, zpl_file_operations ops, char const *filename); + + /** + * Returns a size of the file + * @param file + * @return File size + */ + ZPL_DEF zpl_i64 zpl_file_size(zpl_file *file); + + /** + * Returns the currently opened file's name + * @param file + */ + ZPL_DEF char const *zpl_file_name(zpl_file *file); + + /** + * Truncates the file by a specified size + * @param file + * @param size Size to truncate + */ + ZPL_DEF zpl_file_error zpl_file_truncate(zpl_file *file, zpl_i64 size); + + /** + * Checks whether a file's been changed since the last check + * @param file + */ + ZPL_DEF zpl_b32 zpl_file_has_changed(zpl_file *file); + + /** + * Retrieves a directory listing relative to the file + * @param file + */ + ZPL_DEF void zpl_file_dirinfo_refresh(zpl_file *file); + + /** + * Creates a temporary file + * @param file + */ + zpl_file_error zpl_file_temp(zpl_file *file); + + /** + * Closes the file + * @param file + */ + ZPL_DEF zpl_file_error zpl_file_close(zpl_file *file); + + /** + * Reads file safely + * @param file + * @param buffer Buffer to read to + * @param size Size to read + * @param offset Offset to read from + * @param bytes_read How much data we've actually read + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_read_at_check(zpl_file *file, void *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_read); + + /** + * Writes to file safely + * @param file + * @param buffer Buffer to read from + * @param size Size to write + * @param offset Offset to write to + * @param bytes_written How much data we've actually written + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_write_at_check(zpl_file *file, void const *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_written); + + + /** + * Reads file at a specific offset + * @param file + * @param buffer Buffer to read to + * @param size Size to read + * @param offset Offset to read from + * @param bytes_read How much data we've actually read + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_read_at(zpl_file *file, void *buffer, zpl_isize size, zpl_i64 offset); + + /** + * Writes to file at a specific offset + * @param file + * @param buffer Buffer to read from + * @param size Size to write + * @param offset Offset to write to + * @param bytes_written How much data we've actually written + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_write_at(zpl_file *file, void const *buffer, zpl_isize size, zpl_i64 offset); + + /** + * Seeks the file cursor from the beginning of file to a specific position + * @param file + * @param offset Offset to seek to + */ + ZPL_DEF_INLINE zpl_i64 zpl_file_seek(zpl_file *file, zpl_i64 offset); + + /** + * Seeks the file cursor to the end of the file + * @param file + */ + ZPL_DEF_INLINE zpl_i64 zpl_file_seek_to_end(zpl_file *file); + + /** + * Skips N bytes at the current position + * @param file + * @param bytes Bytes to skip + */ + ZPL_DEF_INLINE zpl_i64 zpl_file_skip(zpl_file *file, zpl_i64 bytes); // NOTE: Skips a certain amount of bytes + + /** + * Returns the length from the beginning of the file we've read so far + * @param file + * @return Our current position in file + */ + ZPL_DEF_INLINE zpl_i64 zpl_file_tell(zpl_file *file); + + /** + * Reads from a file + * @param file + * @param buffer Buffer to read to + * @param size Size to read + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_read(zpl_file *file, void *buffer, zpl_isize size); + + /** + * Writes to a file + * @param file + * @param buffer Buffer to read from + * @param size Size to read + */ + ZPL_DEF_INLINE zpl_b32 zpl_file_write(zpl_file *file, void const *buffer, zpl_isize size); + + + typedef struct zpl_file_contents { + zpl_allocator allocator; + void *data; + zpl_isize size; + } zpl_file_contents; + + /** + * Reads the whole file contents + * @param a Allocator to use + * @param zero_terminate End the read data with null terminator + * @param filepath Path to the file + * @return File contents data + */ + ZPL_DEF zpl_file_contents zpl_file_read_contents(zpl_allocator a, zpl_b32 zero_terminate, char const *filepath); + + /** + * Frees the file content data previously read + * @param fc + */ + ZPL_DEF void zpl_file_free_contents(zpl_file_contents *fc); + + /** + * Writes content to a file + */ + ZPL_DEF zpl_b32 zpl_file_write_contents(char const* filepath, void const* buffer, zpl_isize size, zpl_file_error* err); + + /** + * Reads the file as array of lines + * + * Make sure you free both the returned buffer and the lines (zpl_array) + * @param alloc Allocator to use + * @param lines Reference to zpl_array container we store lines to + * @param filename Path to the file + * @param strip_whitespace Strip whitespace when we split to lines? + * @return File content we've read itself + */ + ZPL_DEF char *zpl_file_read_lines(zpl_allocator alloc, zpl_array(char *)*lines, char const *filename, zpl_b32 strip_whitespace); + + //! @} + + /* inlines */ + + + ZPL_IMPL_INLINE zpl_b32 zpl_file_read_at_check(zpl_file *f, void *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_read) { + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + return f->ops.read_at(f->fd, buffer, size, offset, bytes_read, false); + } + + ZPL_IMPL_INLINE zpl_b32 zpl_file_write_at_check(zpl_file *f, void const *buffer, zpl_isize size, zpl_i64 offset, zpl_isize *bytes_written) { + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + return f->ops.write_at(f->fd, buffer, size, offset, bytes_written); + } + + ZPL_IMPL_INLINE zpl_b32 zpl_file_read_at(zpl_file *f, void *buffer, zpl_isize size, zpl_i64 offset) { + return zpl_file_read_at_check(f, buffer, size, offset, NULL); + } + + ZPL_IMPL_INLINE zpl_b32 zpl_file_write_at(zpl_file *f, void const *buffer, zpl_isize size, zpl_i64 offset) { + return zpl_file_write_at_check(f, buffer, size, offset, NULL); + } + + ZPL_IMPL_INLINE zpl_i64 zpl_file_seek(zpl_file *f, zpl_i64 offset) { + zpl_i64 new_offset = 0; + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + f->ops.seek(f->fd, offset, ZPL_SEEK_WHENCE_BEGIN, &new_offset); + return new_offset; + } + + ZPL_IMPL_INLINE zpl_i64 zpl_file_seek_to_end(zpl_file *f) { + zpl_i64 new_offset = 0; + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + f->ops.seek(f->fd, 0, ZPL_SEEK_WHENCE_END, &new_offset); + return new_offset; + } + + // NOTE: Skips a certain amount of bytes + ZPL_IMPL_INLINE zpl_i64 zpl_file_skip(zpl_file *f, zpl_i64 bytes) { + zpl_i64 new_offset = 0; + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + f->ops.seek(f->fd, bytes, ZPL_SEEK_WHENCE_CURRENT, &new_offset); + return new_offset; + } + + ZPL_IMPL_INLINE zpl_i64 zpl_file_tell(zpl_file *f) { + zpl_i64 new_offset = 0; + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + f->ops.seek(f->fd, 0, ZPL_SEEK_WHENCE_CURRENT, &new_offset); + return new_offset; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_file_read(zpl_file *f, void *buffer, zpl_isize size) { + zpl_i64 cur_offset = zpl_file_tell(f); + zpl_b32 result = zpl_file_read_at(f, buffer, size, zpl_file_tell(f)); + zpl_file_seek(f, cur_offset + size); + return result; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_file_write(zpl_file *f, void const *buffer, zpl_isize size) { + zpl_i64 cur_offset = zpl_file_tell(f); + zpl_b32 result = zpl_file_write_at(f, buffer, size, zpl_file_tell(f)); + zpl_file_seek(f, cur_offset + size); + return result; + } + + ZPL_END_C_DECLS + // file: header/core/file_stream.h + + /** @file file_stream.c + @brief File stream + @defgroup fileio File stream + + File streaming operations on memory. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef enum { + /* Allows us to write to the buffer directly. Beware: you can not append a new data! */ + ZPL_FILE_STREAM_WRITABLE = ZPL_BIT(0), + + /* Clones the input buffer so you can write (zpl_file_write*) data into it. */ + /* Since we work with a clone, the buffer size can dynamically grow as well. */ + ZPL_FILE_STREAM_CLONE_WRITABLE = ZPL_BIT(1), + } zpl_file_stream_flags; + + /** + * Opens a new memory stream + * @param file + * @param allocator + */ + ZPL_DEF void zpl_file_stream_new(zpl_file* file, zpl_allocator allocator); + + /** + * Opens a memory stream over an existing buffer + * @param file + * @param allocator + * @param buffer Memory to create stream from + * @param size Buffer's size + * @param flags + */ + ZPL_DEF void zpl_file_stream_open(zpl_file* file, zpl_allocator allocator, zpl_u8 *buffer, zpl_isize size, zpl_file_stream_flags flags); + + /** + * Retrieves the stream's underlying buffer and buffer size. + * @param file memory stream + * @param size (Optional) buffer size + */ + ZPL_DEF zpl_u8 *zpl_file_stream_buf(zpl_file* file, zpl_isize *size); + + extern zpl_file_operations const zpl_memory_file_operations; + + //! @} + + ZPL_END_C_DECLS + // file: header/core/file_misc.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #ifndef ZPL_PATH_SEPARATOR + #if defined(ZPL_SYSTEM_WINDOWS) + #define ZPL_PATH_SEPARATOR '\\' + #else + #define ZPL_PATH_SEPARATOR '/' + #endif + #endif + + /** + * Checks if file/directory exists + * @param filepath + */ + ZPL_DEF zpl_b32 zpl_fs_exists(char const *filepath); + + /** + * Retrieves node's type (file, folder, ...) + * @param path + */ + ZPL_DEF zpl_u8 zpl_fs_get_type(char const *path); + + /** + * Retrieves file's last write time + * @param filepath + */ + ZPL_DEF zpl_file_time zpl_fs_last_write_time(char const *filepath); + + /** + * Copies the file to a directory + * @param existing_filename + * @param new_filename + * @param fail_if_exists + */ + ZPL_DEF zpl_b32 zpl_fs_copy(char const *existing_filename, char const *new_filename, zpl_b32 fail_if_exists); + + /** + * Moves the file to a directory + * @param existing_filename + * @param new_filename + */ + ZPL_DEF zpl_b32 zpl_fs_move(char const *existing_filename, char const *new_filename); + + /** + * Removes a file from a directory + * @param filename + */ + ZPL_DEF zpl_b32 zpl_fs_remove(char const *filename); + + ZPL_DEF_INLINE zpl_b32 zpl_path_is_absolute(char const *path); + ZPL_DEF_INLINE zpl_b32 zpl_path_is_relative(char const *path); + ZPL_DEF_INLINE zpl_b32 zpl_path_is_root(char const *path); + + ZPL_DEF_INLINE char const *zpl_path_base_name(char const *path); + ZPL_DEF_INLINE char const *zpl_path_extension(char const *path); + + ZPL_DEF void zpl_path_fix_slashes(char *path); + + ZPL_DEF zpl_file_error zpl_path_mkdir(char const *path, zpl_i32 mode); + ZPL_DEF zpl_file_error zpl_path_rmdir(char const *path); + + ZPL_DEF char *zpl_path_get_full_name(zpl_allocator a, char const *path); + + /** + * Returns file paths terminated by newline (\n) + * @param alloc [description] + * @param dirname [description] + * @param recurse [description] + * @return [description] + */ + ZPL_DEF /*zpl_string*/char * zpl_path_dirlist(zpl_allocator alloc, char const *dirname, zpl_b32 recurse); + + /** + * Initialize dirinfo from specified path + * @param dir [description] + * @param path [description] + */ + ZPL_DEF void zpl_dirinfo_init(zpl_dir_info *dir, char const *path); + ZPL_DEF void zpl_dirinfo_free(zpl_dir_info *dir); + + /** + * Analyze the entry's dirinfo + * @param dir_entry [description] + */ + ZPL_DEF void zpl_dirinfo_step(zpl_dir_entry *dir_entry); + + + /* inlines */ + + ZPL_IMPL_INLINE zpl_b32 zpl_path_is_absolute(char const *path) { + zpl_b32 result = false; + ZPL_ASSERT_NOT_NULL(path); + #if defined(ZPL_SYSTEM_WINDOWS) + result = (zpl_strlen(path) > 2) && zpl_char_is_alpha(path[0]) && (path[1] == ':' && path[2] == ZPL_PATH_SEPARATOR); + #else + result = (zpl_strlen(path) > 0 && path[0] == ZPL_PATH_SEPARATOR); + #endif + return result; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_path_is_relative(char const *path) { return !zpl_path_is_absolute(path); } + + ZPL_IMPL_INLINE zpl_b32 zpl_path_is_root(char const *path) { + zpl_b32 result = false; + ZPL_ASSERT_NOT_NULL(path); + #if defined(ZPL_SYSTEM_WINDOWS) + result = zpl_path_is_absolute(path) && (zpl_strlen(path) == 3); + #else + result = zpl_path_is_absolute(path) && (zpl_strlen(path) == 1); + #endif + return result; + } + + ZPL_IMPL_INLINE char const *zpl_path_base_name(char const *path) { + char const *ls; + ZPL_ASSERT_NOT_NULL(path); + zpl_path_fix_slashes((char *)path); + ls = zpl_char_last_occurence(path, ZPL_PATH_SEPARATOR); + return (ls == NULL) ? path : ls + 1; + } + + ZPL_IMPL_INLINE char const *zpl_path_extension(char const *path) { + char const *ld; + ZPL_ASSERT_NOT_NULL(path); + ld = zpl_char_last_occurence(path, '.'); + return (ld == NULL) ? NULL : ld + 1; + } + + ZPL_END_C_DECLS + // file: header/core/print.h + + /** @file print.c + @brief Printing methods + @defgroup print Printing methods + + Various printing methods. + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_DEF zpl_isize zpl_printf(char const *fmt, ...); + ZPL_DEF zpl_isize zpl_printf_va(char const *fmt, va_list va); + ZPL_DEF zpl_isize zpl_printf_err(char const *fmt, ...); + ZPL_DEF zpl_isize zpl_printf_err_va(char const *fmt, va_list va); + ZPL_DEF zpl_isize zpl_fprintf(zpl_file *f, char const *fmt, ...); + ZPL_DEF zpl_isize zpl_fprintf_va(zpl_file *f, char const *fmt, va_list va); + + // NOTE: A locally persisting buffer is used internally + ZPL_DEF char *zpl_bprintf(char const *fmt, ...); + + // NOTE: A locally persisting buffer is used internally + ZPL_DEF char *zpl_bprintf_va(char const *fmt, va_list va); + + ZPL_DEF zpl_isize zpl_snprintf(char *str, zpl_isize n, char const *fmt, ...); + ZPL_DEF zpl_isize zpl_snprintf_va(char *str, zpl_isize n, char const *fmt, va_list va); + + ZPL_END_C_DECLS + // file: header/core/time.h + + /** @file time.c + @brief Time helper methods. + @defgroup time Time helpers + + Helper methods for retrieving the current time in many forms under different precisions. It also offers a simple to use timer library. + + @{ + */ + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + //! Return CPU timestamp. + ZPL_DEF zpl_u64 zpl_rdtsc(void); + + //! Return relative time (in seconds) since the application start. + ZPL_DEF zpl_f64 zpl_time_rel(void); + + //! Return relative time since the application start. + ZPL_DEF zpl_u64 zpl_time_rel_ms(void); + + //! Return time (in seconds) since 1601-01-01 UTC. + ZPL_DEF zpl_f64 zpl_time_utc(void); + + //! Return time since 1601-01-01 UTC. + ZPL_DEF zpl_u64 zpl_time_utc_ms(void); + + //! Return local system time since 1601-01-01 + ZPL_DEF zpl_u64 zpl_time_tz_ms(void); + + //! Return local system time in seconds since 1601-01-01 + ZPL_DEF zpl_f64 zpl_time_tz(void); + + //! Convert Win32 epoch (1601-01-01 UTC) to UNIX (1970-01-01 UTC) + ZPL_DEF_INLINE zpl_u64 zpl_time_win32_to_unix(zpl_u64 ms); + + //! Convert UNIX (1970-01-01 UTC) to Win32 epoch (1601-01-01 UTC) + ZPL_DEF_INLINE zpl_u64 zpl_time_unix_to_win32(zpl_u64 ms); + + //! Sleep for specified number of milliseconds. + ZPL_DEF void zpl_sleep_ms(zpl_u32 ms); + + //! Sleep for specified number of seconds. + ZPL_DEF_INLINE void zpl_sleep(zpl_f32 s); + + // Deprecated methods + ZPL_DEPRECATED_FOR(10.9.0, zpl_time_rel) + ZPL_DEF_INLINE zpl_f64 zpl_time_now(void); + + ZPL_DEPRECATED_FOR(10.9.0, zpl_time_utc) + ZPL_DEF_INLINE zpl_f64 zpl_utc_time_now(void); + + + #ifndef ZPL__UNIX_TO_WIN32_EPOCH + #define ZPL__UNIX_TO_WIN32_EPOCH 11644473600000ull + #endif + + ZPL_IMPL_INLINE zpl_u64 zpl_time_win32_to_unix(zpl_u64 ms) { + return ms - ZPL__UNIX_TO_WIN32_EPOCH; + } + + ZPL_IMPL_INLINE zpl_u64 zpl_time_unix_to_win32(zpl_u64 ms) { + return ms + ZPL__UNIX_TO_WIN32_EPOCH; + } + + ZPL_IMPL_INLINE void zpl_sleep(zpl_f32 s) { + zpl_sleep_ms((zpl_u32)(s * 1000)); + } + + ZPL_IMPL_INLINE zpl_f64 zpl_time_now() { + return zpl_time_rel(); + } + + ZPL_IMPL_INLINE zpl_f64 zpl_utc_time_now() { + return zpl_time_utc(); + } + + ZPL_END_C_DECLS + // file: header/core/random.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_random { + zpl_u32 offsets[8]; + zpl_u32 value; + } zpl_random; + + // NOTE: Generates from numerous sources to produce a decent pseudo-random seed + ZPL_DEF void zpl_random_init(zpl_random *r); + ZPL_DEF zpl_u32 zpl_random_gen_u32(zpl_random *r); + ZPL_DEF zpl_u32 zpl_random_gen_u32_unique(zpl_random *r); + ZPL_DEF zpl_u64 zpl_random_gen_u64(zpl_random *r); // NOTE: (zpl_random_gen_u32() << 32) | zpl_random_gen_u32() + ZPL_DEF zpl_isize zpl_random_gen_isize(zpl_random *r); + ZPL_DEF zpl_i64 zpl_random_range_i64(zpl_random *r, zpl_i64 lower_inc, zpl_i64 higher_inc); + ZPL_DEF zpl_isize zpl_random_range_isize(zpl_random *r, zpl_isize lower_inc, zpl_isize higher_inc); + ZPL_DEF zpl_f64 zpl_random_range_f64(zpl_random *r, zpl_f64 lower_inc, zpl_f64 higher_inc); + + ZPL_END_C_DECLS + // file: header/core/misc.h + + /** @file misc.c + @brief Various other stuff + @defgroup misc Various other stuff + + Methods that don't belong anywhere but are still very useful in many occasions. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_DEF void zpl_exit(zpl_u32 code); + ZPL_DEF void zpl_yield(void); + + //! Returns allocated buffer + ZPL_DEF const char *zpl_get_env(const char *name); + ZPL_DEF const char *zpl_get_env_buf(const char *name); + ZPL_DEF zpl_string zpl_get_env_str(const char *name); + ZPL_DEF void zpl_set_env(const char *name, const char *value); + ZPL_DEF void zpl_unset_env(const char *name); + + ZPL_DEF zpl_u32 zpl_system_command(const char *command, zpl_usize buffer_len, char *buffer); + ZPL_DEF zpl_string zpl_system_command_str(const char *command, zpl_allocator backing); + + ZPL_DEF_INLINE zpl_u16 zpl_endian_swap16(zpl_u16 i); + ZPL_DEF_INLINE zpl_u32 zpl_endian_swap32(zpl_u32 i); + ZPL_DEF_INLINE zpl_u64 zpl_endian_swap64(zpl_u64 i); + + ZPL_DEF_INLINE zpl_isize zpl_count_set_bits(zpl_u64 mask); + + //! @} + //$$ + + ZPL_IMPL_INLINE zpl_u16 zpl_endian_swap16(zpl_u16 i) { + return (i>>8) | (i<<8); + } + + ZPL_IMPL_INLINE zpl_u32 zpl_endian_swap32(zpl_u32 i) { + return (i>>24) |(i<<24) | + ((i&0x00ff0000u)>>8) | ((i&0x0000ff00u)<<8); + } + + ZPL_IMPL_INLINE zpl_u64 zpl_endian_swap64(zpl_u64 i) { + return (i>>56) | (i<<56) | + ((i&0x00ff000000000000ull)>>40) | ((i&0x000000000000ff00ull)<<40) | + ((i&0x0000ff0000000000ull)>>24) | ((i&0x0000000000ff0000ull)<<24) | + ((i&0x000000ff00000000ull)>>8) | ((i&0x00000000ff000000ull)<<8); + } + + ZPL_IMPL_INLINE zpl_i32 zpl_next_pow2(zpl_i32 x) { + x--; + x |= x >> 1; + x |= x >> 2; + x |= x >> 4; + x |= x >> 8; + x |= x >> 16; + return x + 1; + } + + ZPL_IMPL_INLINE void zpl_bit_set(zpl_u32* x, zpl_u32 bit) { *x = *x | (1 << bit); } + ZPL_IMPL_INLINE zpl_b8 zpl_bit_get(zpl_u32 x, zpl_u32 bit) { return (x & (1 << bit)); } + ZPL_IMPL_INLINE void zpl_bit_reset(zpl_u32* x, zpl_u32 bit) { *x = *x & ~(1 << bit); } + + ZPL_IMPL_INLINE zpl_isize zpl_count_set_bits(zpl_u64 mask) { + zpl_isize count = 0; + while (mask) { + count += (mask & 1); + mask >>= 1; + } + return count; + } + + ZPL_END_C_DECLS + // file: header/core/sort.h + + /** @file sort.c + @brief Sorting and searching methods. + @defgroup sort Sorting and searching + + Methods for sorting arrays using either Quick/Merge-sort combo or Radix sort. It also contains simple implementation of binary search, as well as an easy to use API to define your own comparators. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #define ZPL_COMPARE_PROC(name) int name(void const *a, void const *b) + typedef ZPL_COMPARE_PROC(zpl_compare_proc); + + #define ZPL_COMPARE_PROC_PTR(def) ZPL_COMPARE_PROC((*def)) + + // Procedure pointers + // NOTE: The offset parameter specifies the offset in the structure + // e.g. zpl_i32_cmp(zpl_offset_of(Thing, value)) + // Use 0 if it's just the type instead. + + ZPL_DEF ZPL_COMPARE_PROC_PTR(i16_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(u8_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(i32_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(i64_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(isize_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(str_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(f32_cmp(zpl_isize offset)); + ZPL_DEF ZPL_COMPARE_PROC_PTR(f64_cmp(zpl_isize offset)); + + // TODO: Better sorting algorithms + + //! Sorts an array. + + //! Uses quick sort for large arrays but insertion sort for small ones. + #define zpl_sort_array(array, count, compare_proc) zpl_sort(array, count, zpl_size_of(*(array)), compare_proc) + + //! Perform sorting operation on a memory location with a specified item count and size. + ZPL_DEF void zpl_sort(void *base, zpl_isize count, zpl_isize size, zpl_compare_proc compare_proc); + + // NOTE: the count of temp == count of items + #define zpl_radix_sort(Type) zpl_radix_sort_##Type + #define ZPL_RADIX_SORT_PROC(Type) void zpl_radix_sort(Type)(zpl_##Type * items, zpl_##Type * temp, zpl_isize count) + + ZPL_DEF ZPL_RADIX_SORT_PROC(u8); + ZPL_DEF ZPL_RADIX_SORT_PROC(u16); + ZPL_DEF ZPL_RADIX_SORT_PROC(u32); + ZPL_DEF ZPL_RADIX_SORT_PROC(u64); + + //! Performs binary search on an array. + + //! Returns index or -1 if not found + #define zpl_binary_search_array(array, count, key, compare_proc) \ + zpl_binary_search(array, count, zpl_size_of(*(array)), key, compare_proc) + + //! Performs binary search on a memory location with specified item count and size. + ZPL_DEF_INLINE zpl_isize zpl_binary_search(void const *base, zpl_isize count, zpl_isize size, void const *key, + zpl_compare_proc compare_proc); + + #define zpl_shuffle_array(array, count) zpl_shuffle(array, count, zpl_size_of(*(array))) + + //! Shuffles a memory. + ZPL_DEF void zpl_shuffle(void *base, zpl_isize count, zpl_isize size); + + #define zpl_reverse_array(array, count) zpl_reverse(array, count, zpl_size_of(*(array))) + + //! Reverses memory's contents + ZPL_DEF void zpl_reverse(void *base, zpl_isize count, zpl_isize size); + + //! @} + + + ZPL_IMPL_INLINE zpl_isize zpl_binary_search(void const *base, zpl_isize count, zpl_isize size, void const *key, + zpl_compare_proc compare_proc) { + zpl_isize start = 0; + zpl_isize end = count; + + while (start < end) { + zpl_isize mid = start + (end - start) / 2; + zpl_isize result = compare_proc(key, cast(zpl_u8 *) base + mid * size); + if (result < 0) + end = mid; + else if (result > 0) + start = mid + 1; + else + return mid; + } + + return -1; + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_TIMER) + // file: header/timer.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef void (*zpl_timer_cb)(void *data); + + //! Timer data structure + typedef struct zpl_timer { + zpl_timer_cb callback; + zpl_b32 enabled; + zpl_i32 remaining_calls; + zpl_i32 initial_calls; + zpl_f64 next_call_ts; + zpl_f64 duration; + void *user_data; + } zpl_timer; + + typedef zpl_timer *zpl_timer_pool; ///< zpl_array + + //! Initialize timer pool. + #define zpl_timer_init(pool, allocator) zpl_array_init(pool, allocator) + + //! Add new timer to pool and return it. + ZPL_DEF zpl_timer *zpl_timer_add(zpl_timer_pool pool); + + //! Perform timer pool update. + + //! Traverse over all timers and update them accordingly. Should be called by Main Thread in a tight loop. + ZPL_DEF void zpl_timer_update(zpl_timer_pool pool); + + //! Set up timer. + + //! Set up timer with specific options. + //! @param timer + //! @param duration How long/often to fire a timer. + //! @param count How many times we fire a timer. Use -1 for infinity. + //! @param callback A method to execute once a timer triggers. + ZPL_DEF void zpl_timer_set(zpl_timer *timer, zpl_f64 /* microseconds */ duration, zpl_i32 /* -1 for INFINITY */ count, + zpl_timer_cb callback); + + //! Start timer with specified delay. + ZPL_DEF void zpl_timer_start(zpl_timer *timer, zpl_f64 delay_start); + + //! Stop timer and prevent it from triggering. + ZPL_DEF void zpl_timer_stop(zpl_timer *timer); + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_HASHING) + // file: header/hashing.h + + /** @file hashing.c + @brief Hashing and Checksum Functions + @defgroup hashing Hashing and Checksum Functions + + Several hashing methods used by ZPL internally but possibly useful outside of it. Contains: adler32, crc32/64, fnv32/64/a and murmur32/64 + + @{ + */ + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_DEF zpl_u32 zpl_adler32(void const *data, zpl_isize len); + + ZPL_DEF zpl_u32 zpl_crc32(void const *data, zpl_isize len); + + // These use FNV-1 algorithm + ZPL_DEF zpl_u32 zpl_fnv32(void const *data, zpl_isize len); + ZPL_DEF zpl_u64 zpl_fnv64(void const *data, zpl_isize len); + ZPL_DEF zpl_u32 zpl_fnv32a(void const *data, zpl_isize len); + ZPL_DEF zpl_u64 zpl_fnv64a(void const *data, zpl_isize len); + + ZPL_DEF zpl_u8 *zpl_base64_encode(zpl_allocator a, void const *data, zpl_isize len); + ZPL_DEF zpl_u8 *zpl_base64_decode(zpl_allocator a, void const *data, zpl_isize len); + + //! Based on MurmurHash3 + ZPL_DEF zpl_u32 zpl_murmur32_seed(void const *data, zpl_isize len, zpl_u32 seed); + + //! Based on MurmurHash2 + ZPL_DEF zpl_u64 zpl_murmur64_seed(void const *data, zpl_isize len, zpl_u64 seed); + + //! Default seed of 0x9747b28c + ZPL_DEF_INLINE zpl_u32 zpl_murmur32(void const *data, zpl_isize len); + + //! Default seed of 0x9747b28c + ZPL_DEF_INLINE zpl_u64 zpl_murmur64(void const *data, zpl_isize len); + + //! @} + + ZPL_IMPL_INLINE zpl_u32 zpl_murmur32(void const *data, zpl_isize len) { return zpl_murmur32_seed(data, len, 0x9747b28c); } + ZPL_IMPL_INLINE zpl_u64 zpl_murmur64(void const *data, zpl_isize len) { return zpl_murmur64_seed(data, len, 0x9747b28c); } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_REGEX) + // file: header/regex.h + + /** @file regex.c + @brief Regular expressions parser. + @defgroup regex Regex processor + + Port of gb_regex with several bugfixes applied. This is a simple regex library and is fast to perform. + + Supported Matching: + @n ^ - Beginning of string + @n $ - End of string + @n . - Match one (anything) + @n | - Branch (or) + @n () - Capturing group + @n [] - Any character included in set + @n [^] - Any character excluded from set + @n + - One or more (greedy) + @n +? - One or more (non-greedy) + @n * - Zero or more (greedy) + @n *? - Zero or more (non-greedy) + @n ? - Zero or once + @n [BACKSLASH]XX - Hex decimal digit (must be 2 digits) + @n [BACKSLASH]meta - Meta character + @n [BACKSLASH]s - Whitespace + @n [BACKSLASH]S - Not whitespace + @n [BACKSLASH]d - Digit + @n [BACKSLASH]D - Not digit + @n [BACKSLASH]a - Alphabetic character + @n [BACKSLASH]l - Lower case letter + @n [BACKSLASH]u - Upper case letter + @n [BACKSLASH]w - Word + @n [BACKSLASH]W - Not word + @n [BACKSLASH]x - Hex Digit + @n [BACKSLASH]p - Printable ASCII character + @n --Whitespace-- + @n [BACKSLASH]t - Tab + @n [BACKSLASH]n - New line + @n [BACKSLASH]r - Return carriage + @n [BACKSLASH]v - Vertical Tab + @n [BACKSLASH]f - Form feed + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_re { + zpl_allocator backing; + zpl_isize capture_count; + char *buf; + zpl_isize buf_len, buf_cap; + zpl_b32 can_realloc; + } zpl_re; + + typedef struct zpl_re_capture { + char const *str; + zpl_isize len; + } zpl_re_capture; + + #define zplRegexError zpl_regex_error + typedef enum zpl_regex_error { + ZPL_RE_ERROR_NONE, + ZPL_RE_ERROR_NO_MATCH, + ZPL_RE_ERROR_TOO_LONG, + ZPL_RE_ERROR_MISMATCHED_CAPTURES, + ZPL_RE_ERROR_MISMATCHED_BLOCKS, + ZPL_RE_ERROR_BRANCH_FAILURE, + ZPL_RE_ERROR_INVALID_QUANTIFIER, + ZPL_RE_ERROR_INTERNAL_FAILURE, + } zpl_regex_error; + + //! Compile regex pattern. + ZPL_DEF zpl_regex_error zpl_re_compile(zpl_re *re, zpl_allocator backing, char const *pattern, zpl_isize pattern_len); + + //! Compile regex pattern using a buffer. + ZPL_DEF zpl_regex_error zpl_re_compile_from_buffer(zpl_re *re, char const *pattern, zpl_isize pattern_len, void *buffer, zpl_isize buffer_len); + + //! Destroy regex object. + ZPL_DEF void zpl_re_destroy(zpl_re *re); + + //! Retrieve number of retrievable captures. + ZPL_DEF zpl_isize zpl_re_capture_count(zpl_re *re); + + //! Match input string and output captures of the occurence. + ZPL_DEF zpl_b32 zpl_re_match(zpl_re *re, char const *str, zpl_isize str_len, zpl_re_capture *captures, zpl_isize max_capture_count, zpl_isize *offset); + + //! Match all occurences in an input string and output them into captures. Array of captures is allocated on the heap and needs to be freed afterwards. + ZPL_DEF zpl_b32 zpl_re_match_all(zpl_re *re, char const *str, zpl_isize str_len, zpl_isize max_capture_count, zpl_re_capture **out_captures); + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_DLL) + // file: header/dll.h + + /** @file dll.c + @brief DLL Handling + @defgroup dll DLL handling + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef void *zpl_dll_handle; + typedef void (*zpl_dll_proc)(void); + + ZPL_DEF zpl_dll_handle zpl_dll_load(char const *filepath); + ZPL_DEF void zpl_dll_unload(zpl_dll_handle dll); + ZPL_DEF zpl_dll_proc zpl_dll_proc_address(zpl_dll_handle dll, char const *proc_name); + + //! @} + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_OPTS) + // file: header/opts.h + + /** @file opts.c + @brief CLI options processor + @defgroup cli CLI options processor + + Opts is a CLI options parser, it can parse flags, switches and arguments from command line + and offers an easy way to express input errors as well as the ability to display help screen. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef enum { + ZPL_OPTS_STRING, + ZPL_OPTS_FLOAT, + ZPL_OPTS_FLAG, + ZPL_OPTS_INT, + } zpl_opts_types; + + typedef struct { + char const *name, *lname, *desc; + zpl_u8 type; + zpl_b32 met, pos; + + //! values + union { + zpl_string text; + zpl_i64 integer; + zpl_f64 real; + }; + } zpl_opts_entry; + + typedef enum { + ZPL_OPTS_ERR_VALUE, + ZPL_OPTS_ERR_OPTION, + ZPL_OPTS_ERR_EXTRA_VALUE, + ZPL_OPTS_ERR_MISSING_VALUE, + } zpl_opts_err_type; + + typedef struct { + char *val; + zpl_u8 type; + } zpl_opts_err; + + typedef struct { + zpl_allocator alloc; + zpl_opts_entry *entries; ///< zpl_array + zpl_opts_err *errors; ///< zpl_array + zpl_opts_entry **positioned; ///< zpl_array + char const *appname; + } zpl_opts; + + //! Initializes options parser. + + //! Initializes CLI options parser using specified memory allocator and provided application name. + //! @param opts Options parser to initialize. + //! @param allocator Memory allocator to use. (ex. zpl_heap()) + //! @param app Application name displayed in help screen. + ZPL_DEF void zpl_opts_init(zpl_opts *opts, zpl_allocator allocator, char const *app); + + //! Releases the resources used by options parser. + ZPL_DEF void zpl_opts_free(zpl_opts *opts); + + //! Registers an option. + + //! Registers an option with its short and long name, specifies option's type and its description. + //! @param opts Options parser to add to. + //! @param lname Shorter name of option. (ex. "f") + //! @param name Full name of option. (ex. "foo") Note that rest of the module uses longer names to manipulate opts. + //! @param desc Description shown in the help screen. + //! @param type Option's type (see zpl_opts_types) + //! @see zpl_opts_types + ZPL_DEF void zpl_opts_add(zpl_opts *opts, char const *name, char const *lname, const char *desc, zpl_u8 type); + + //! Registers option as positional. + + //! Registers added option as positional, so that we can pass it anonymously. Arguments are expected on the command input in the same order they were registered as. + //! @param opts + //! @param name Name of already registered option. + ZPL_DEF void zpl_opts_positional_add(zpl_opts *opts, char const *name); + + //! Compiles CLI arguments. + + // This method takes CLI arguments as input and processes them based on rules that were set up. + //! @param opts + //! @param argc Argument count in an array. + //! @param argv Array of arguments. + ZPL_DEF zpl_b32 zpl_opts_compile(zpl_opts *opts, int argc, char **argv); + + //! Prints out help screen. + + //! Prints out help screen with example usage of application as well as with all the flags available. + ZPL_DEF void zpl_opts_print_help(zpl_opts *opts); + + //! Prints out parsing errors. + + //! Prints out possible errors caused by CLI input. + ZPL_DEF void zpl_opts_print_errors(zpl_opts *opts); + + //! Fetches a string from an option. + + //! @param opts + //! @param name Name of an option. + //! @param fallback Fallback string we return if option wasn't found. + ZPL_DEF zpl_string zpl_opts_string(zpl_opts *opts, char const *name, char const *fallback); + + //! Fetches a real number from an option. + + //! @param opts + //! @param name Name of an option. + //! @param fallback Fallback real number we return if option was not found. + ZPL_DEF zpl_f64 zpl_opts_real(zpl_opts *opts, char const *name, zpl_f64 fallback); + + //! Fetches an integer number from an option. + + //! @param opts + //! @param name Name of an option. + //! @param fallback Fallback integer number we return if option was not found. + ZPL_DEF zpl_i64 zpl_opts_integer(zpl_opts *opts, char const *name, zpl_i64 fallback); + + //! Checks whether an option was used. + + //! @param opts + //! @param name Name of an option. + ZPL_DEF zpl_b32 zpl_opts_has_arg(zpl_opts *opts, char const *name); + + //! Checks whether all positionals have been passed in. + ZPL_DEF zpl_b32 zpl_opts_positionals_filled(zpl_opts *opts); + + //! @} + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_PROCESS) + // file: header/process.h + + /** @file process.c + @brief Process creation and manipulation methods + @defgroup process Process creation and manipulation methods + + Gives you the ability to create a new process, wait for it to end or terminate it. + It also exposes standard I/O with configurable options. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + // TODO(zaklaus): Add Linux support + + typedef enum { + ZPL_PR_OPTS_COMBINE_STD_OUTPUT = ZPL_BIT(1), + ZPL_PR_OPTS_INHERIT_ENV = ZPL_BIT(2), + ZPL_PR_OPTS_CUSTOM_ENV = ZPL_BIT(3), + } zpl_pr_opts; + + typedef struct { + zpl_file in, out, err; + void *f_stdin, *f_stdout, *f_stderr; + #ifdef ZPL_SYSTEM_WINDOWS + void *win32_handle; + #else + // todo + #endif + } zpl_pr; + + typedef struct { + char *con_title; + char *workdir; + + zpl_isize env_count; + char **env; // format: "var=name" + + zpl_u32 posx, posy; + zpl_u32 resx, resy; + zpl_u32 bufx, bufy; + zpl_u32 fill_attr; + zpl_u32 flags; + zpl_b32 show_window; + } zpl_pr_si; + + ZPL_DEF zpl_i32 zpl_pr_create(zpl_pr *process, const char **args, zpl_isize argc, zpl_pr_si si, zpl_pr_opts options); + ZPL_DEF void zpl_pr_destroy(zpl_pr *process); + ZPL_DEF void zpl_pr_terminate(zpl_pr *process, zpl_i32 err_code); + ZPL_DEF zpl_i32 zpl_pr_join(zpl_pr *process); + + //! @} + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_MATH) + // file: header/math.h + + /** @file math.c + @brief Math operations + @defgroup math Math operations + + OpenGL gamedev friendly library for math. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef union zpl_vec2 { + struct { + zpl_f32 x, y; + }; + struct { + zpl_f32 s, t; + }; + zpl_f32 e[2]; + } zpl_vec2; + + typedef union zpl_vec3 { + struct { + zpl_f32 x, y, z; + }; + struct { + zpl_f32 r, g, b; + }; + struct { + zpl_f32 s, t, p; + }; + + zpl_vec2 xy; + zpl_vec2 st; + zpl_f32 e[3]; + } zpl_vec3; + + typedef union zpl_vec4 { + struct { + zpl_f32 x, y, z, w; + }; + struct { + zpl_f32 r, g, b, a; + }; + struct { + zpl_f32 s, t, p, q; + }; + struct { + zpl_vec2 xy, zw; + }; + struct { + zpl_vec2 st, pq; + }; + zpl_vec3 xyz; + zpl_vec3 rgb; + zpl_f32 e[4]; + } zpl_vec4; + + typedef union zpl_mat2 { + struct { + zpl_vec2 x, y; + }; + zpl_vec2 col[2]; + zpl_f32 e[4]; + } zpl_mat2; + + typedef union zpl_mat3 { + struct { + zpl_vec3 x, y, z; + }; + zpl_vec3 col[3]; + zpl_f32 e[9]; + } zpl_mat3; + + typedef union zpl_mat4 { + struct { + zpl_vec4 x, y, z, w; + }; + zpl_vec4 col[4]; + zpl_f32 e[16]; + } zpl_mat4; + + typedef union zpl_quat { + struct { + zpl_f32 x, y, z, w; + }; + zpl_vec4 xyzw; + zpl_vec3 xyz; + zpl_f32 e[4]; + } zpl_quat; + + typedef union zpl_plane { + struct { + zpl_f32 a, b, c, d; + }; + zpl_vec4 xyzw; + zpl_vec3 n; + zpl_f32 e[4]; + } zpl_plane; + + typedef struct zpl_frustum { + zpl_plane x1; + zpl_plane x2; + zpl_plane y1; + zpl_plane y2; + zpl_plane z1; + zpl_plane z2; + } zpl_frustum; + + typedef zpl_f32 zpl_float2[2]; + typedef zpl_f32 zpl_float3[3]; + typedef zpl_f32 zpl_float4[4]; + + typedef struct zpl_rect2 { + zpl_vec2 pos, dim; + } zpl_rect2; + typedef struct zpl_rect3 { + zpl_vec3 pos, dim; + } zpl_rect3; + + typedef struct zpl_aabb2 { + zpl_vec2 centre, half_size; + } zpl_aabb2; + typedef struct zpl_aabb3 { + zpl_vec3 centre, half_size; + } zpl_aabb3; + + typedef short zpl_half; + + #ifndef ZPL_CONSTANTS + #define ZPL_CONSTANTS + #define ZPL_EPSILON 1.19209290e-7f + #define ZPL_ZERO 0.0f + #define ZPL_ONE 1.0f + #define ZPL_TWO_THIRDS 0.666666666666666666666666666666666666667f + + #define ZPL_TAU 6.28318530717958647692528676655900576f + #define ZPL_PI 3.14159265358979323846264338327950288f + #define ZPL_ONE_OVER_TAU 0.636619772367581343075535053490057448f + #define ZPL_ONE_OVER_PI 0.159154943091895335768883763372514362f + + #define ZPL_TAU_OVER_2 3.14159265358979323846264338327950288f + #define ZPL_TAU_OVER_4 1.570796326794896619231321691639751442f + #define ZPL_TAU_OVER_8 0.785398163397448309615660845819875721f + + #define ZPL_E 2.71828182845904523536f + #define ZPL_SQRT_TWO 1.41421356237309504880168872420969808f + #define ZPL_SQRT_THREE 1.73205080756887729352744634150587236f + #define ZPL_SQRT_FIVE 2.23606797749978969640917366873127623f + + #define ZPL_LOG_TWO 0.693147180559945309417232121458176568f + #define ZPL_LOG_TEN 2.30258509299404568401799145468436421f + #endif // ZPL_CONSTANTS + + #ifndef zpl_square + #define zpl_square(x) ((x) * (x)) + #endif + + #ifndef zpl_cube + #define zpl_cube(x) ((x) * (x) * (x)) + #endif + + #ifndef zpl_sign + #define zpl_sign(x) ((x) >= 0 ? 1 : -1) + #endif + + ZPL_DEF zpl_f32 zpl_to_radians(zpl_f32 degrees); + ZPL_DEF zpl_f32 zpl_to_degrees(zpl_f32 radians); + + /* NOTE: Because to interpolate angles */ + ZPL_DEF zpl_f32 zpl_angle_diff(zpl_f32 radians_a, zpl_f32 radians_b); + + ZPL_DEF zpl_f32 zpl_copy_sign(zpl_f32 x, zpl_f32 y); + ZPL_DEF zpl_f32 zpl_remainder(zpl_f32 x, zpl_f32 y); + ZPL_DEF zpl_f32 zpl_mod(zpl_f32 x, zpl_f32 y); + ZPL_DEF zpl_f64 zpl_copy_sign64(zpl_f64 x, zpl_f64 y); + ZPL_DEF zpl_f64 zpl_floor64(zpl_f64 x); + ZPL_DEF zpl_f64 zpl_ceil64(zpl_f64 x); + ZPL_DEF zpl_f64 zpl_round64(zpl_f64 x); + ZPL_DEF zpl_f64 zpl_remainder64(zpl_f64 x, zpl_f64 y); + ZPL_DEF zpl_f64 zpl_abs64(zpl_f64 x); + ZPL_DEF zpl_f64 zpl_sign64(zpl_f64 x); + ZPL_DEF zpl_f64 zpl_mod64(zpl_f64 x, zpl_f64 y); + ZPL_DEF zpl_f32 zpl_sqrt(zpl_f32 a); + ZPL_DEF zpl_f32 zpl_rsqrt(zpl_f32 a); + ZPL_DEF zpl_f32 zpl_quake_rsqrt(zpl_f32 a); /* NOTE: It's probably better to use 1.0f/zpl_sqrt(a) + * And for simd, there is usually isqrt functions too! + */ + ZPL_DEF zpl_f32 zpl_sin(zpl_f32 radians); + ZPL_DEF zpl_f32 zpl_cos(zpl_f32 radians); + ZPL_DEF zpl_f32 zpl_tan(zpl_f32 radians); + ZPL_DEF zpl_f32 zpl_arcsin(zpl_f32 a); + ZPL_DEF zpl_f32 zpl_arccos(zpl_f32 a); + ZPL_DEF zpl_f32 zpl_arctan(zpl_f32 a); + ZPL_DEF zpl_f32 zpl_arctan2(zpl_f32 y, zpl_f32 x); + + ZPL_DEF zpl_f32 zpl_exp(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_exp2(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_log(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_log2(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_fast_exp(zpl_f32 x); /* NOTE: Only valid from -1 <= x <= +1 */ + ZPL_DEF zpl_f32 zpl_fast_exp2(zpl_f32 x); /* NOTE: Only valid from -1 <= x <= +1 */ + ZPL_DEF zpl_f32 zpl_pow(zpl_f32 x, zpl_f32 y); /* x^y */ + + ZPL_DEF zpl_f32 zpl_round(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_floor(zpl_f32 x); + ZPL_DEF zpl_f32 zpl_ceil(zpl_f32 x); + + ZPL_DEF zpl_f32 zpl_half_to_float(zpl_half value); + ZPL_DEF zpl_half zpl_float_to_half(zpl_f32 value); + + ZPL_DEF zpl_vec2 zpl_vec2f_zero(void); + ZPL_DEF zpl_vec2 zpl_vec2f(zpl_f32 x, zpl_f32 y); + ZPL_DEF zpl_vec2 zpl_vec2fv(zpl_f32 x[2]); + + ZPL_DEF zpl_vec3 zpl_vec3f_zero(void); + ZPL_DEF zpl_vec3 zpl_vec3f(zpl_f32 x, zpl_f32 y, zpl_f32 z); + ZPL_DEF zpl_vec3 zpl_vec3fv(zpl_f32 x[3]); + + ZPL_DEF zpl_vec4 zpl_vec4f_zero(void); + ZPL_DEF zpl_vec4 zpl_vec4f(zpl_f32 x, zpl_f32 y, zpl_f32 z, zpl_f32 w); + ZPL_DEF zpl_vec4 zpl_vec4fv(zpl_f32 x[4]); + + ZPL_DEF zpl_f32 zpl_vec2_max(zpl_vec2 v); + ZPL_DEF zpl_f32 zpl_vec2_side(zpl_vec2 p, zpl_vec2 q, zpl_vec2 r); + ZPL_DEF void zpl_vec2_add(zpl_vec2 *d, zpl_vec2 v0, zpl_vec2 v1); + ZPL_DEF void zpl_vec2_sub(zpl_vec2 *d, zpl_vec2 v0, zpl_vec2 v1); + ZPL_DEF void zpl_vec2_mul(zpl_vec2 *d, zpl_vec2 v, zpl_f32 s); + ZPL_DEF void zpl_vec2_div(zpl_vec2 *d, zpl_vec2 v, zpl_f32 s); + + ZPL_DEF zpl_f32 zpl_vec3_max(zpl_vec3 v); + ZPL_DEF void zpl_vec3_add(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1); + ZPL_DEF void zpl_vec3_sub(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1); + ZPL_DEF void zpl_vec3_mul(zpl_vec3 *d, zpl_vec3 v, zpl_f32 s); + ZPL_DEF void zpl_vec3_div(zpl_vec3 *d, zpl_vec3 v, zpl_f32 s); + + ZPL_DEF void zpl_vec4_add(zpl_vec4 *d, zpl_vec4 v0, zpl_vec4 v1); + ZPL_DEF void zpl_vec4_sub(zpl_vec4 *d, zpl_vec4 v0, zpl_vec4 v1); + ZPL_DEF void zpl_vec4_mul(zpl_vec4 *d, zpl_vec4 v, zpl_f32 s); + ZPL_DEF void zpl_vec4_div(zpl_vec4 *d, zpl_vec4 v, zpl_f32 s); + + ZPL_DEF void zpl_vec2_addeq(zpl_vec2 *d, zpl_vec2 v); + ZPL_DEF void zpl_vec2_subeq(zpl_vec2 *d, zpl_vec2 v); + ZPL_DEF void zpl_vec2_muleq(zpl_vec2 *d, zpl_f32 s); + ZPL_DEF void zpl_vec2_diveq(zpl_vec2 *d, zpl_f32 s); + + ZPL_DEF void zpl_vec3_addeq(zpl_vec3 *d, zpl_vec3 v); + ZPL_DEF void zpl_vec3_subeq(zpl_vec3 *d, zpl_vec3 v); + ZPL_DEF void zpl_vec3_muleq(zpl_vec3 *d, zpl_f32 s); + ZPL_DEF void zpl_vec3_diveq(zpl_vec3 *d, zpl_f32 s); + + ZPL_DEF void zpl_vec4_addeq(zpl_vec4 *d, zpl_vec4 v); + ZPL_DEF void zpl_vec4_subeq(zpl_vec4 *d, zpl_vec4 v); + ZPL_DEF void zpl_vec4_muleq(zpl_vec4 *d, zpl_f32 s); + ZPL_DEF void zpl_vec4_diveq(zpl_vec4 *d, zpl_f32 s); + + ZPL_DEF zpl_f32 zpl_vec2_dot(zpl_vec2 v0, zpl_vec2 v1); + ZPL_DEF zpl_f32 zpl_vec3_dot(zpl_vec3 v0, zpl_vec3 v1); + ZPL_DEF zpl_f32 zpl_vec4_dot(zpl_vec4 v0, zpl_vec4 v1); + + ZPL_DEF void zpl_vec2_cross(zpl_f32 *d, zpl_vec2 v0, zpl_vec2 v1); + ZPL_DEF void zpl_vec3_cross(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1); + + ZPL_DEF zpl_f32 zpl_vec2_mag2(zpl_vec2 v); + ZPL_DEF zpl_f32 zpl_vec3_mag2(zpl_vec3 v); + ZPL_DEF zpl_f32 zpl_vec4_mag2(zpl_vec4 v); + + ZPL_DEF zpl_f32 zpl_vec2_mag(zpl_vec2 v); + ZPL_DEF zpl_f32 zpl_vec3_mag(zpl_vec3 v); + ZPL_DEF zpl_f32 zpl_vec4_mag(zpl_vec4 v); + + ZPL_DEF void zpl_vec2_norm(zpl_vec2 *d, zpl_vec2 v); + ZPL_DEF void zpl_vec3_norm(zpl_vec3 *d, zpl_vec3 v); + ZPL_DEF void zpl_vec4_norm(zpl_vec4 *d, zpl_vec4 v); + + ZPL_DEF void zpl_vec2_norm0(zpl_vec2 *d, zpl_vec2 v); + ZPL_DEF void zpl_vec3_norm0(zpl_vec3 *d, zpl_vec3 v); + ZPL_DEF void zpl_vec4_norm0(zpl_vec4 *d, zpl_vec4 v); + + ZPL_DEF void zpl_vec2_reflect(zpl_vec2 *d, zpl_vec2 i, zpl_vec2 n); + ZPL_DEF void zpl_vec3_reflect(zpl_vec3 *d, zpl_vec3 i, zpl_vec3 n); + ZPL_DEF void zpl_vec2_refract(zpl_vec2 *d, zpl_vec2 i, zpl_vec2 n, zpl_f32 eta); + ZPL_DEF void zpl_vec3_refract(zpl_vec3 *d, zpl_vec3 i, zpl_vec3 n, zpl_f32 eta); + + ZPL_DEF zpl_f32 zpl_vec2_aspect_ratio(zpl_vec2 v); + + ZPL_DEF void zpl_mat2_identity(zpl_mat2 *m); + ZPL_DEF void zpl_float22_identity(zpl_f32 m[2][2]); + + ZPL_DEF void zpl_mat2_transpose(zpl_mat2 *m); + ZPL_DEF void zpl_mat2_mul(zpl_mat2 *out, zpl_mat2 *m1, zpl_mat2 *m2); + ZPL_DEF void zpl_mat2_mul_vec2(zpl_vec2 *out, zpl_mat2 *m, zpl_vec2 in); + ZPL_DEF void zpl_mat2_inverse(zpl_mat2 *out, zpl_mat2 *in); + ZPL_DEF zpl_f32 zpl_mat2_determinate(zpl_mat2 *m); + + ZPL_DEF zpl_mat2 *zpl_mat2_v(zpl_vec2 m[2]); + ZPL_DEF zpl_mat2 *zpl_mat2_f(zpl_f32 m[2][2]); + ZPL_DEF zpl_float2 *zpl_float22_m(zpl_mat2 *m); + ZPL_DEF zpl_float2 *zpl_float22_v(zpl_vec2 m[2]); + ZPL_DEF zpl_float2 *zpl_float22_4(zpl_f32 m[4]); + + ZPL_DEF void zpl_float22_transpose(zpl_f32 (*vec)[2]); + ZPL_DEF void zpl_float22_mul(zpl_f32 (*out)[2], zpl_f32 (*mat1)[2], zpl_f32 (*mat2)[2]); + ZPL_DEF void zpl_float22_mul_vec2(zpl_vec2 *out, zpl_f32 m[2][2], zpl_vec2 in); + + ZPL_DEF void zpl_mat3_identity(zpl_mat3 *m); + ZPL_DEF void zpl_float33_identity(zpl_f32 m[3][3]); + + ZPL_DEF void zpl_mat3_transpose(zpl_mat3 *m); + ZPL_DEF void zpl_mat3_mul(zpl_mat3 *out, zpl_mat3 *m1, zpl_mat3 *m2); + ZPL_DEF void zpl_mat3_mul_vec3(zpl_vec3 *out, zpl_mat3 *m, zpl_vec3 in); + ZPL_DEF void zpl_mat3_inverse(zpl_mat3 *out, zpl_mat3 *in); + ZPL_DEF zpl_f32 zpl_mat3_determinate(zpl_mat3 *m); + + ZPL_DEF zpl_mat3 *zpl_mat3_v(zpl_vec3 m[3]); + ZPL_DEF zpl_mat3 *zpl_mat3_f(zpl_f32 m[3][3]); + + ZPL_DEF zpl_float3 *zpl_float33_m(zpl_mat3 *m); + ZPL_DEF zpl_float3 *zpl_float33_v(zpl_vec3 m[3]); + ZPL_DEF zpl_float3 *zpl_float33_9(zpl_f32 m[9]); + + ZPL_DEF void zpl_float33_transpose(zpl_f32 (*vec)[3]); + ZPL_DEF void zpl_float33_mul(zpl_f32 (*out)[3], zpl_f32 (*mat1)[3], zpl_f32 (*mat2)[3]); + ZPL_DEF void zpl_float33_mul_vec3(zpl_vec3 *out, zpl_f32 m[3][3], zpl_vec3 in); + + ZPL_DEF void zpl_mat4_identity(zpl_mat4 *m); + ZPL_DEF void zpl_float44_identity(zpl_f32 m[4][4]); + ZPL_DEF void zpl_mat4_copy(zpl_mat4* out, zpl_mat4* m); + + ZPL_DEF void zpl_mat4_transpose(zpl_mat4 *m); + ZPL_DEF void zpl_mat4_mul(zpl_mat4 *out, zpl_mat4 *m1, zpl_mat4 *m2); + ZPL_DEF void zpl_mat4_mul_vec4(zpl_vec4 *out, zpl_mat4 *m, zpl_vec4 in); + ZPL_DEF void zpl_mat4_inverse(zpl_mat4 *out, zpl_mat4 *in); + + ZPL_DEF zpl_mat4 *zpl_mat4_v(zpl_vec4 m[4]); + ZPL_DEF zpl_mat4 *zpl_mat4_f(zpl_f32 m[4][4]); + + ZPL_DEF zpl_float4 *zpl_float44_m(zpl_mat4 *m); + ZPL_DEF zpl_float4 *zpl_float44_v(zpl_vec4 m[4]); + ZPL_DEF zpl_float4 *zpl_float44_16(zpl_f32 m[16]); + + ZPL_DEF void zpl_float44_transpose(zpl_f32 (*vec)[4]); + ZPL_DEF void zpl_float44_mul(zpl_f32 (*out)[4], zpl_f32 (*mat1)[4], zpl_f32 (*mat2)[4]); + ZPL_DEF void zpl_float44_mul_vec4(zpl_vec4 *out, zpl_f32 m[4][4], zpl_vec4 in); + + ZPL_DEF void zpl_mat4_translate(zpl_mat4 *out, zpl_vec3 v); + ZPL_DEF void zpl_mat4_rotate(zpl_mat4 *out, zpl_vec3 v, zpl_f32 angle_radians); + ZPL_DEF void zpl_mat4_scale(zpl_mat4 *out, zpl_vec3 v); + ZPL_DEF void zpl_mat4_scalef(zpl_mat4 *out, zpl_f32 s); + ZPL_DEF void zpl_mat4_ortho2d(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top); + ZPL_DEF void zpl_mat4_ortho3d(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top, zpl_f32 z_near, zpl_f32 z_far); + ZPL_DEF void zpl_mat4_perspective(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near, zpl_f32 z_far); + ZPL_DEF void zpl_mat4_infinite_perspective(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near); + + ZPL_DEF void zpl_mat4_ortho2d_dx(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top); + ZPL_DEF void zpl_mat4_ortho3d_dx(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top, zpl_f32 z_near, zpl_f32 z_far); + ZPL_DEF void zpl_mat4_perspective_dx(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near, zpl_f32 z_far); + ZPL_DEF void zpl_mat4_infinite_perspective_dx(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near); + + ZPL_DEF void zpl_mat4_look_at(zpl_mat4 *out, zpl_vec3 eye, zpl_vec3 centre, zpl_vec3 up); + + ZPL_DEF void zpl_mat4_look_at_lh(zpl_mat4 *out, zpl_vec3 eye, zpl_vec3 centre, zpl_vec3 up); + + ZPL_DEF zpl_quat zpl_quatf(zpl_f32 x, zpl_f32 y, zpl_f32 z, zpl_f32 w); + ZPL_DEF zpl_quat zpl_quatfv(zpl_f32 e[4]); + ZPL_DEF zpl_quat zpl_quat_axis_angle(zpl_vec3 axis, zpl_f32 angle_radians); + ZPL_DEF zpl_quat zpl_quat_euler_angles(zpl_f32 pitch, zpl_f32 yaw, zpl_f32 roll); + ZPL_DEF zpl_quat zpl_quat_identity(void); + + ZPL_DEF void zpl_quat_add(zpl_quat *d, zpl_quat q0, zpl_quat q1); + ZPL_DEF void zpl_quat_sub(zpl_quat *d, zpl_quat q0, zpl_quat q1); + ZPL_DEF void zpl_quat_mul(zpl_quat *d, zpl_quat q0, zpl_quat q1); + ZPL_DEF void zpl_quat_div(zpl_quat *d, zpl_quat q0, zpl_quat q1); + + ZPL_DEF void zpl_quat_mulf(zpl_quat *d, zpl_quat q, zpl_f32 s); + ZPL_DEF void zpl_quat_divf(zpl_quat *d, zpl_quat q, zpl_f32 s); + + ZPL_DEF void zpl_quat_addeq(zpl_quat *d, zpl_quat q); + ZPL_DEF void zpl_quat_subeq(zpl_quat *d, zpl_quat q); + ZPL_DEF void zpl_quat_muleq(zpl_quat *d, zpl_quat q); + ZPL_DEF void zpl_quat_diveq(zpl_quat *d, zpl_quat q); + + ZPL_DEF void zpl_quat_muleqf(zpl_quat *d, zpl_f32 s); + ZPL_DEF void zpl_quat_diveqf(zpl_quat *d, zpl_f32 s); + + ZPL_DEF zpl_f32 zpl_quat_dot(zpl_quat q0, zpl_quat q1); + ZPL_DEF zpl_f32 zpl_quat_mag(zpl_quat q); + + ZPL_DEF void zpl_quat_norm(zpl_quat *d, zpl_quat q); + ZPL_DEF void zpl_quat_conj(zpl_quat *d, zpl_quat q); + ZPL_DEF void zpl_quat_inverse(zpl_quat *d, zpl_quat q); + + ZPL_DEF void zpl_quat_axis(zpl_vec3 *axis, zpl_quat q); + ZPL_DEF zpl_f32 zpl_quat_angle(zpl_quat q); + + ZPL_DEF zpl_f32 zpl_quat_pitch(zpl_quat q); + ZPL_DEF zpl_f32 zpl_quat_yaw(zpl_quat q); + ZPL_DEF zpl_f32 zpl_quat_roll(zpl_quat q); + + /* NOTE: Rotate v by q */ + ZPL_DEF void zpl_quat_rotate_vec3(zpl_vec3 *d, zpl_quat q, zpl_vec3 v); + ZPL_DEF void zpl_mat4_from_quat(zpl_mat4 *out, zpl_quat q); + ZPL_DEF void zpl_quat_from_mat4(zpl_quat *out, zpl_mat4 *m); + + /* Plane math. */ + ZPL_DEF zpl_f32 zpl_plane_distance(zpl_plane* p, zpl_vec3 v); + + /* Frustum culling. */ + ZPL_DEF void zpl_frustum_create(zpl_frustum* out, zpl_mat4* camera, zpl_mat4* proj); + ZPL_DEF zpl_b8 zpl_frustum_sphere_inside(zpl_frustum* frustum, zpl_vec3 center, zpl_f32 radius); + ZPL_DEF zpl_b8 zpl_frustum_point_inside(zpl_frustum* frustum, zpl_vec3 point); + ZPL_DEF zpl_b8 zpl_frustum_box_inside(zpl_frustum* frustum, zpl_aabb3 box); + + /* Interpolations */ + ZPL_DEF zpl_f32 zpl_lerp(zpl_f32 a, zpl_f32 b, zpl_f32 t); + ZPL_DEF zpl_f32 zpl_unlerp(zpl_f32 t, zpl_f32 a, zpl_f32 b); + ZPL_DEF zpl_f32 zpl_smooth_step(zpl_f32 a, zpl_f32 b, zpl_f32 t); + ZPL_DEF zpl_f32 zpl_smoother_step(zpl_f32 a, zpl_f32 b, zpl_f32 t); + + ZPL_DEF void zpl_vec2_lerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 b, zpl_f32 t); + ZPL_DEF void zpl_vec3_lerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 b, zpl_f32 t); + ZPL_DEF void zpl_vec4_lerp(zpl_vec4 *d, zpl_vec4 a, zpl_vec4 b, zpl_f32 t); + + ZPL_DEF void zpl_vec2_cslerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 v0, zpl_vec2 b, zpl_vec2 v1, zpl_f32 t); + ZPL_DEF void zpl_vec3_cslerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 v0, zpl_vec3 b, zpl_vec3 v1, zpl_f32 t); + ZPL_DEF void zpl_vec2_dcslerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 v0, zpl_vec2 b, zpl_vec2 v1, zpl_f32 t); + ZPL_DEF void zpl_vec3_dcslerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 v0, zpl_vec3 b, zpl_vec3 v1, zpl_f32 t); + + ZPL_DEF void zpl_quat_lerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t); + ZPL_DEF void zpl_quat_nlerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t); + ZPL_DEF void zpl_quat_slerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t); + ZPL_DEF void zpl_quat_nquad(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t); + ZPL_DEF void zpl_quat_squad(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t); + ZPL_DEF void zpl_quat_slerp_approx(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t); + ZPL_DEF void zpl_quat_squad_approx(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t); + + /* Rects */ + ZPL_DEF zpl_rect2 zpl_rect2f(zpl_vec2 pos, zpl_vec2 dim); + ZPL_DEF zpl_rect3 zpl_rect3f(zpl_vec3 pos, zpl_vec3 dim); + + ZPL_DEF int zpl_rect2_contains(zpl_rect2 a, zpl_f32 x, zpl_f32 y); + ZPL_DEF int zpl_rect2_contains_vec2(zpl_rect2 a, zpl_vec2 p); + ZPL_DEF int zpl_rect2_intersects(zpl_rect2 a, zpl_rect2 b); + ZPL_DEF int zpl_rect2_intersection_result(zpl_rect2 a, zpl_rect2 b, zpl_rect2 *intersection); + + //! @} + ZPL_END_C_DECLS + #if defined(__cplusplus) + ZPL_INLINE bool operator==(zpl_vec2 a, zpl_vec2 b) { return (a.x == b.x) && (a.y == b.y); } + ZPL_INLINE bool operator!=(zpl_vec2 a, zpl_vec2 b) { return !operator==(a, b); } + + ZPL_INLINE zpl_vec2 operator+(zpl_vec2 a) { return a; } + ZPL_INLINE zpl_vec2 operator-(zpl_vec2 a) { zpl_vec2 r = {-a.x, -a.y}; return r; } + + ZPL_INLINE zpl_vec2 operator+(zpl_vec2 a, zpl_vec2 b) { zpl_vec2 r; zpl_vec2_add(&r, a, b); return r; } + ZPL_INLINE zpl_vec2 operator-(zpl_vec2 a, zpl_vec2 b) { zpl_vec2 r; zpl_vec2_sub(&r, a, b); return r; } + + ZPL_INLINE zpl_vec2 operator*(zpl_vec2 a, float scalar) { zpl_vec2 r; zpl_vec2_mul(&r, a, scalar); return r; } + ZPL_INLINE zpl_vec2 operator*(float scalar, zpl_vec2 a) { return operator*(a, scalar); } + + ZPL_INLINE zpl_vec2 operator/(zpl_vec2 a, float scalar) { return operator*(a, 1.0f/scalar); } + + /* Hadamard Product */ + ZPL_INLINE zpl_vec2 operator*(zpl_vec2 a, zpl_vec2 b) { zpl_vec2 r = {a.x*b.x, a.y*b.y}; return r; } + ZPL_INLINE zpl_vec2 operator/(zpl_vec2 a, zpl_vec2 b) { zpl_vec2 r = {a.x/b.x, a.y/b.y}; return r; } + + ZPL_INLINE zpl_vec2 &operator+=(zpl_vec2 &a, zpl_vec2 b) { return (a = a + b); } + ZPL_INLINE zpl_vec2 &operator-=(zpl_vec2 &a, zpl_vec2 b) { return (a = a - b); } + ZPL_INLINE zpl_vec2 &operator*=(zpl_vec2 &a, float scalar) { return (a = a * scalar); } + ZPL_INLINE zpl_vec2 &operator/=(zpl_vec2 &a, float scalar) { return (a = a / scalar); } + + + ZPL_INLINE bool operator==(zpl_vec3 a, zpl_vec3 b) { return (a.x == b.x) && (a.y == b.y) && (a.z == b.z); } + ZPL_INLINE bool operator!=(zpl_vec3 a, zpl_vec3 b) { return !operator==(a, b); } + + ZPL_INLINE zpl_vec3 operator+(zpl_vec3 a) { return a; } + ZPL_INLINE zpl_vec3 operator-(zpl_vec3 a) { zpl_vec3 r = {-a.x, -a.y, -a.z}; return r; } + + ZPL_INLINE zpl_vec3 operator+(zpl_vec3 a, zpl_vec3 b) { zpl_vec3 r; zpl_vec3_add(&r, a, b); return r; } + ZPL_INLINE zpl_vec3 operator-(zpl_vec3 a, zpl_vec3 b) { zpl_vec3 r; zpl_vec3_sub(&r, a, b); return r; } + + ZPL_INLINE zpl_vec3 operator*(zpl_vec3 a, float scalar) { zpl_vec3 r; zpl_vec3_mul(&r, a, scalar); return r; } + ZPL_INLINE zpl_vec3 operator*(float scalar, zpl_vec3 a) { return operator*(a, scalar); } + + ZPL_INLINE zpl_vec3 operator/(zpl_vec3 a, float scalar) { return operator*(a, 1.0f/scalar); } + + /* Hadamard Product */ + ZPL_INLINE zpl_vec3 operator*(zpl_vec3 a, zpl_vec3 b) { zpl_vec3 r = {a.x*b.x, a.y*b.y, a.z*b.z}; return r; } + ZPL_INLINE zpl_vec3 operator/(zpl_vec3 a, zpl_vec3 b) { zpl_vec3 r = {a.x/b.x, a.y/b.y, a.z/b.z}; return r; } + + ZPL_INLINE zpl_vec3 &operator+=(zpl_vec3 &a, zpl_vec3 b) { return (a = a + b); } + ZPL_INLINE zpl_vec3 &operator-=(zpl_vec3 &a, zpl_vec3 b) { return (a = a - b); } + ZPL_INLINE zpl_vec3 &operator*=(zpl_vec3 &a, float scalar) { return (a = a * scalar); } + ZPL_INLINE zpl_vec3 &operator/=(zpl_vec3 &a, float scalar) { return (a = a / scalar); } + + + ZPL_INLINE bool operator==(zpl_vec4 a, zpl_vec4 b) { return (a.x == b.x) && (a.y == b.y) && (a.z == b.z) && (a.w == b.w); } + ZPL_INLINE bool operator!=(zpl_vec4 a, zpl_vec4 b) { return !operator==(a, b); } + + ZPL_INLINE zpl_vec4 operator+(zpl_vec4 a) { return a; } + ZPL_INLINE zpl_vec4 operator-(zpl_vec4 a) { zpl_vec4 r = {-a.x, -a.y, -a.z, -a.w}; return r; } + + ZPL_INLINE zpl_vec4 operator+(zpl_vec4 a, zpl_vec4 b) { zpl_vec4 r; zpl_vec4_add(&r, a, b); return r; } + ZPL_INLINE zpl_vec4 operator-(zpl_vec4 a, zpl_vec4 b) { zpl_vec4 r; zpl_vec4_sub(&r, a, b); return r; } + + ZPL_INLINE zpl_vec4 operator*(zpl_vec4 a, float scalar) { zpl_vec4 r; zpl_vec4_mul(&r, a, scalar); return r; } + ZPL_INLINE zpl_vec4 operator*(float scalar, zpl_vec4 a) { return operator*(a, scalar); } + + ZPL_INLINE zpl_vec4 operator/(zpl_vec4 a, float scalar) { return operator*(a, 1.0f/scalar); } + + /* Hadamard Product */ + ZPL_INLINE zpl_vec4 operator*(zpl_vec4 a, zpl_vec4 b) { zpl_vec4 r = {a.x*b.x, a.y*b.y, a.z*b.z, a.w*b.w}; return r; } + ZPL_INLINE zpl_vec4 operator/(zpl_vec4 a, zpl_vec4 b) { zpl_vec4 r = {a.x/b.x, a.y/b.y, a.z/b.z, a.w/b.w}; return r; } + + ZPL_INLINE zpl_vec4 &operator+=(zpl_vec4 &a, zpl_vec4 b) { return (a = a + b); } + ZPL_INLINE zpl_vec4 &operator-=(zpl_vec4 &a, zpl_vec4 b) { return (a = a - b); } + ZPL_INLINE zpl_vec4 &operator*=(zpl_vec4 &a, float scalar) { return (a = a * scalar); } + ZPL_INLINE zpl_vec4 &operator/=(zpl_vec4 &a, float scalar) { return (a = a / scalar); } + + + ZPL_INLINE zpl_mat2 operator+(zpl_mat2 const &a, zpl_mat2 const &b) { + int i, j; + zpl_mat2 r = {0}; + for (j = 0; j < 2; j++) { + for (i = 0; i < 2; i++) + r.e[2*j+i] = a.e[2*j+i] + b.e[2*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat2 operator-(zpl_mat2 const &a, zpl_mat2 const &b) { + int i, j; + zpl_mat2 r = {0}; + for (j = 0; j < 2; j++) { + for (i = 0; i < 2; i++) + r.e[2*j+i] = a.e[2*j+i] - b.e[2*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat2 operator*(zpl_mat2 const &a, zpl_mat2 const &b) { zpl_mat2 r; zpl_mat2_mul(&r, (zpl_mat2 *)&a, (zpl_mat2 *)&b); return r; } + ZPL_INLINE zpl_vec2 operator*(zpl_mat2 const &a, zpl_vec2 v) { zpl_vec2 r; zpl_mat2_mul_vec2(&r, (zpl_mat2 *)&a, v); return r; } + ZPL_INLINE zpl_mat2 operator*(zpl_mat2 const &a, float scalar) { + zpl_mat2 r = {0}; + int i; + for (i = 0; i < 2*2; i++) r.e[i] = a.e[i] * scalar; + return r; + } + ZPL_INLINE zpl_mat2 operator*(float scalar, zpl_mat2 const &a) { return operator*(a, scalar); } + ZPL_INLINE zpl_mat2 operator/(zpl_mat2 const &a, float scalar) { return operator*(a, 1.0f/scalar); } + + ZPL_INLINE zpl_mat2& operator+=(zpl_mat2& a, zpl_mat2 const &b) { return (a = a + b); } + ZPL_INLINE zpl_mat2& operator-=(zpl_mat2& a, zpl_mat2 const &b) { return (a = a - b); } + ZPL_INLINE zpl_mat2& operator*=(zpl_mat2& a, zpl_mat2 const &b) { return (a = a * b); } + + + + ZPL_INLINE zpl_mat3 operator+(zpl_mat3 const &a, zpl_mat3 const &b) { + int i, j; + zpl_mat3 r = {0}; + for (j = 0; j < 3; j++) { + for (i = 0; i < 3; i++) + r.e[3*j+i] = a.e[3*j+i] + b.e[3*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat3 operator-(zpl_mat3 const &a, zpl_mat3 const &b) { + int i, j; + zpl_mat3 r = {0}; + for (j = 0; j < 3; j++) { + for (i = 0; i < 3; i++) + r.e[3*j+i] = a.e[3*j+i] - b.e[3*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat3 operator*(zpl_mat3 const &a, zpl_mat3 const &b) { zpl_mat3 r; zpl_mat3_mul(&r, (zpl_mat3 *)&a, (zpl_mat3 *)&b); return r; } + ZPL_INLINE zpl_vec3 operator*(zpl_mat3 const &a, zpl_vec3 v) { zpl_vec3 r; zpl_mat3_mul_vec3(&r, (zpl_mat3 *)&a, v); return r; } + ZPL_INLINE zpl_mat3 operator*(zpl_mat3 const &a, float scalar) { + zpl_mat3 r = {0}; + int i; + for (i = 0; i < 3*3; i++) r.e[i] = a.e[i] * scalar; + return r; + } + ZPL_INLINE zpl_mat3 operator*(float scalar, zpl_mat3 const &a) { return operator*(a, scalar); } + ZPL_INLINE zpl_mat3 operator/(zpl_mat3 const &a, float scalar) { return operator*(a, 1.0f/scalar); } + + ZPL_INLINE zpl_mat3& operator+=(zpl_mat3& a, zpl_mat3 const &b) { return (a = a + b); } + ZPL_INLINE zpl_mat3& operator-=(zpl_mat3& a, zpl_mat3 const &b) { return (a = a - b); } + ZPL_INLINE zpl_mat3& operator*=(zpl_mat3& a, zpl_mat3 const &b) { return (a = a * b); } + + + + ZPL_INLINE zpl_mat4 operator+(zpl_mat4 const &a, zpl_mat4 const &b) { + int i, j; + zpl_mat4 r = {0}; + for (j = 0; j < 4; j++) { + for (i = 0; i < 4; i++) + r.e[4*j+i] = a.e[4*j+i] + b.e[4*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat4 operator-(zpl_mat4 const &a, zpl_mat4 const &b) { + int i, j; + zpl_mat4 r = {0}; + for (j = 0; j < 4; j++) { + for (i = 0; i < 4; i++) + r.e[4*j+i] = a.e[4*j+i] - b.e[4*j+i]; + } + return r; + } + + ZPL_INLINE zpl_mat4 operator*(zpl_mat4 const &a, zpl_mat4 const &b) { zpl_mat4 r; zpl_mat4_mul(&r, (zpl_mat4 *)&a, (zpl_mat4 *)&b); return r; } + ZPL_INLINE zpl_vec4 operator*(zpl_mat4 const &a, zpl_vec4 v) { zpl_vec4 r; zpl_mat4_mul_vec4(&r, (zpl_mat4 *)&a, v); return r; } + ZPL_INLINE zpl_mat4 operator*(zpl_mat4 const &a, float scalar) { + zpl_mat4 r = {0}; + int i; + for (i = 0; i < 4*4; i++) r.e[i] = a.e[i] * scalar; + return r; + } + ZPL_INLINE zpl_mat4 operator*(float scalar, zpl_mat4 const &a) { return operator*(a, scalar); } + ZPL_INLINE zpl_mat4 operator/(zpl_mat4 const &a, float scalar) { return operator*(a, 1.0f/scalar); } + + ZPL_INLINE zpl_mat4& operator+=(zpl_mat4 &a, zpl_mat4 const &b) { return (a = a + b); } + ZPL_INLINE zpl_mat4& operator-=(zpl_mat4 &a, zpl_mat4 const &b) { return (a = a - b); } + ZPL_INLINE zpl_mat4& operator*=(zpl_mat4 &a, zpl_mat4 const &b) { return (a = a * b); } + + + + ZPL_INLINE bool operator==(zpl_quat a, zpl_quat b) { return a.xyzw == b.xyzw; } + ZPL_INLINE bool operator!=(zpl_quat a, zpl_quat b) { return !operator==(a, b); } + + ZPL_INLINE zpl_quat operator+(zpl_quat q) { return q; } + ZPL_INLINE zpl_quat operator-(zpl_quat q) { return zpl_quatf(-q.x, -q.y, -q.z, -q.w); } + + ZPL_INLINE zpl_quat operator+(zpl_quat a, zpl_quat b) { zpl_quat r; zpl_quat_add(&r, a, b); return r; } + ZPL_INLINE zpl_quat operator-(zpl_quat a, zpl_quat b) { zpl_quat r; zpl_quat_sub(&r, a, b); return r; } + + ZPL_INLINE zpl_quat operator*(zpl_quat a, zpl_quat b) { zpl_quat r; zpl_quat_mul(&r, a, b); return r; } + ZPL_INLINE zpl_quat operator*(zpl_quat q, float s) { zpl_quat r; zpl_quat_mulf(&r, q, s); return r; } + ZPL_INLINE zpl_quat operator*(float s, zpl_quat q) { return operator*(q, s); } + ZPL_INLINE zpl_quat operator/(zpl_quat q, float s) { zpl_quat r; zpl_quat_divf(&r, q, s); return r; } + + ZPL_INLINE zpl_quat &operator+=(zpl_quat &a, zpl_quat b) { zpl_quat_addeq(&a, b); return a; } + ZPL_INLINE zpl_quat &operator-=(zpl_quat &a, zpl_quat b) { zpl_quat_subeq(&a, b); return a; } + ZPL_INLINE zpl_quat &operator*=(zpl_quat &a, zpl_quat b) { zpl_quat_muleq(&a, b); return a; } + ZPL_INLINE zpl_quat &operator/=(zpl_quat &a, zpl_quat b) { zpl_quat_diveq(&a, b); return a; } + + ZPL_INLINE zpl_quat &operator*=(zpl_quat &a, float b) { zpl_quat_muleqf(&a, b); return a; } + ZPL_INLINE zpl_quat &operator/=(zpl_quat &a, float b) { zpl_quat_diveqf(&a, b); return a; } + + /* Rotate v by a */ + ZPL_INLINE zpl_vec3 operator*(zpl_quat q, zpl_vec3 v) { zpl_vec3 r; zpl_quat_rotate_vec3(&r, q, v); return r; } + #endif +#endif + +#if defined(ZPL_MODULE_JSON) + // file: header/json.h + + /** @file json.c + @brief JSON5 Parser/Writer + @defgroup json JSON5 parser/writer + + Easy to use and very fast JSON5 parser that can easily load 50 megabytes of JSON content under half a second. It also contains simple JSON5 writer and acts as a good library for handling config files. The parser also supports the **Simplified JSON (SJSON)** format. + + We can parse JSON5 files in two different modes: + @n 1) Fast way (useful for raw data), which can not handle comments and might cause parsing failure if comment is present. + @n 2) Slower way (useful for config files), which handles comments perfectly but **might** have performance impact + on bigger JSON files. (+50MiB) + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + //! Debug mode + + #ifdef ZPL_JSON_DEBUG + #define ZPL_JSON_ASSERT ZPL_ASSERT(0) + #else + #define ZPL_JSON_ASSERT + #endif + + //! JSON object types + typedef enum zpl_json_type { + ZPL_JSON_TYPE_OBJECT, + ZPL_JSON_TYPE_STRING, + ZPL_JSON_TYPE_MULTISTRING, + ZPL_JSON_TYPE_ARRAY, + ZPL_JSON_TYPE_INTEGER, + ZPL_JSON_TYPE_REAL, + ZPL_JSON_TYPE_CONSTANT + } zpl_json_type; + + //! Field value properties + typedef enum zpl_json_props { + ZPL_JSON_PROPS_NONE = 0, + ZPL_JSON_PROPS_NAN = 1, + ZPL_JSON_PROPS_NAN_NEG = 2, + ZPL_JSON_PROPS_INFINITY = 3, + ZPL_JSON_PROPS_INFINITY_NEG = 4, + ZPL_JSON_PROPS_IS_EXP = 5, + ZPL_JSON_PROPS_IS_HEX = 6, + + // Used internally so that people can fill in real numbers for JSON files they plan to write. + ZPL_JSON_PROPS_IS_PARSED_REAL = 7, + } zpl_json_props; + + //! Value constants + typedef enum zpl_json_const { + ZPL_JSON_CONST_FALSE, + ZPL_JSON_CONST_TRUE, + ZPL_JSON_CONST_NULL, + } zpl_json_const; + + // TODO(ZaKlaus): Error handling + //! Parser error types + typedef enum zpl_json_error { + ZPL_JSON_ERROR_NONE, + ZPL_JSON_ERROR_INVALID_NAME, + ZPL_JSON_ERROR_INVALID_VALUE, + ZPL_JSON_ERROR_OBJECT_OR_SOURCE_WAS_NULL, + } zpl_json_error; + + //! Field name decoration style + typedef enum zpl_json_naming_style { + ZPL_JSON_NAME_STYLE_DOUBLE_QUOTE, + ZPL_JSON_NAME_STYLE_SINGLE_QUOTE, + ZPL_JSON_NAME_STYLE_NO_QUOTES, + } zpl_json_naming_style; + + //! Field value assign style + typedef enum zpl_json_assign_style { + ZPL_JSON_ASSIGN_STYLE_COLON, + ZPL_JSON_ASSIGN_STYLE_EQUALS, + ZPL_JSON_ASSIGN_STYLE_LINE, + } zpl_json_assign_style; + + //! Field delimiter style + typedef enum zpl_json_delim_style { + ZPL_JSON_DELIM_STYLE_COMMA, + ZPL_JSON_DELIM_STYLE_LINE, + ZPL_JSON_DELIM_STYLE_NEWLINE, + } zpl_json_delim_style; + + #define zpl_json_object zpl_json_object + + //! JSON object definition. + typedef struct zpl_json_object { + zpl_allocator backing; + char *name; + zpl_u8 type :6; + zpl_u8 name_style :2; + zpl_u8 props :7; + zpl_u8 cfg_mode :1; + zpl_u8 assign_style:4; + zpl_u8 delim_style :4; + zpl_u8 delim_line_width; + + union { + struct zpl_json_object *nodes; ///< zpl_array + zpl_i64 integer; + char *string; + + struct { + zpl_f64 real; + zpl_i32 base; + zpl_i32 base2; + zpl_i32 base2_offset; + zpl_i32 exp; + zpl_u8 exp_neg :1; + zpl_u8 lead_digit:1; + }; + zpl_u8 constant; + }; + } zpl_json_object; + + //! Parses JSON5/SJSON text. + + //! This method takes text form of JSON document as a source and parses its contents into JSON object structure we can work with. It also optionally handles comments that usually appear in documents used for configuration. + //! @param root JSON object we store data to. + //! @param len Text length. (reserved) + //! @param source Text to be processed. This string will be modified during the process! + //! @param allocator Memory allocator to use. (ex. zpl_heap()) + //! @param handle_comments Whether to handle possible comments or not. Note that if we won't handle comments in a document containing them, the parser will error out. See remark in source code. + //! @param err_code Variable we will store error code in. + ZPL_DEF void zpl_json_parse(zpl_json_object *root, zpl_usize len, char *source, zpl_allocator allocator, zpl_b32 handle_comments, + zpl_u8 *err_code); + + //! Exports JSON5 document into text form and outputs it into a file. + + //! This method takes JSON object tree and exports it into valid JSON5 form with the support of various styles that were preserved during import or set up programatically. + //! @param file File we write text to. + //! @param obj JSON object we export data from. + //! @param indent Text indentation used during export. Use 0 for root objects. + ZPL_DEF void zpl_json_write(zpl_file *file, zpl_json_object *obj, zpl_isize indent); + + //! Exports JSON5 document into text form and returns a zpl_string + + //! This method takes JSON object tree and exports it into valid JSON5 form with the support of various styles that were preserved during import or set up programatically. + //! @param obj JSON object we export data from. + //! @param indent Text indentation used during export. Use 0 for root objects. + //! @return zpl_string + ZPL_DEF zpl_string zpl_json_write_string(zpl_allocator a, zpl_json_object *obj, zpl_isize indent); + + //! Releases used resources by a JSON object. + + //! @param obj JSON object to free. + ZPL_DEF void zpl_json_free(zpl_json_object *obj); + + //! Searches for a JSON node within a document by its name. + + //! @param obj JSON object to search in. + //! @param name JSON node's name to search for. + //! @param deep_search Perform the search recursively. + ZPL_DEF zpl_json_object *zpl_json_find(zpl_json_object *obj, char const *name, zpl_b32 deep_search); + + //! Initializes a JSON node. + + //! @param obj JSON node to initialize. + //! @param backing Memory allocator to use (ex. zpl_heap()) + //! @param name JSON node's name. + //! @param type JSON node's type. (See zpl_json_type) + //! @see zpl_json_type + ZPL_DEF void zpl_json_init_node(zpl_json_object *obj, zpl_allocator backing, char const *name, zpl_u8 type); + + //! Adds object into JSON document at a specific index. + + //! Initializes and adds a JSON object into a JSON document at a specific index. + //! @param obj Root node to add to. + //! @param index Index to store at. + //! @param name JSON node's name. + //! @param type JSON node's type. (See zpl_json_type) + //! @see zpl_json_type + ZPL_DEF zpl_json_object *zpl_json_add_at(zpl_json_object *obj, zpl_isize index, char const *name, zpl_u8 type); + + //! Appends object into JSON document. + + //! Initializes and appends a JSON object into a JSON document. + //! @param obj Root node to add to. + //! @param name JSON node's name. + //! @param type JSON node's type. (See zpl_json_type) + //! @see zpl_json_type + ZPL_DEF zpl_json_object *zpl_json_add(zpl_json_object *obj, char const *name, zpl_u8 type); + + //! @} + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_THREADING) + #if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_MACOS) + #include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) + #if !defined(ZPL_NO_WINDOWS_H) + #ifndef WIN32_LEAN_AND_MEAN + #define NOMINMAX + #define WIN32_LEAN_AND_MEAN + #define WIN32_MEAN_AND_LEAN + #define VC_EXTRALEAN + #endif + #include + #undef NOMINMAX + #undef WIN32_LEAN_AND_MEAN + #undef WIN32_MEAN_AND_LEAN + #undef VC_EXTRALEAN + + /* prevent it from including later */ + #define ZPL_NO_WINDOWS_H + #endif + + // include errno.h for MinGW + #if defined(ZPL_COMPILER_GCC) + #include + #endif + #endif + + #if !defined(zpl_thread_local) + #if defined(_MSC_VER) && _MSC_VER >= 1300 + #define zpl_thread_local __declspec(thread) + #elif defined(__GNUC__) + #define zpl_thread_local __thread + #else + #define zpl_thread_local thread_local + #endif + #endif + + // file: header/threading/atomic.h + + // Atomics + #ifdef ZPL_EDITOR + #include + #endif + + // TODO: Be specific with memory order? + // e.g. relaxed, acquire, release, acquire_release + + #if !defined(__cplusplus) && !defined(ZPL_COMPILER_MSVC) + # include + # define zpl_atomic(X) volatile _Atomic(X) + #else + // TODO: Fix once C++ guys bother to add C atomics to std. + //# include + # define zpl_atomic(X) volatile X /*std::atomic*/ + #endif + + #define zpl_atomicarg(X) volatile X + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_COMPILER_MSVC) + typedef struct zpl_atomic32 { zpl_atomic(zpl_i32) value; } zpl_atomic32; + typedef struct zpl_atomic64 { zpl_atomic(zpl_i64) value; } zpl_atomic64; + typedef struct zpl_atomic_ptr { zpl_atomic(void*) value; } zpl_atomic_ptr; + #else + #if defined(ZPL_ARCH_32_BIT) + #define ZPL_ATOMIC_PTR_ALIGNMENT 4 + #elif defined(ZPL_ARCH_64_BIT) + #define ZPL_ATOMIC_PTR_ALIGNMENT 8 + #else + #error Unknown architecture + #endif + + typedef struct zpl_atomic32 { zpl_atomic(zpl_i32) value; } __attribute__ ((aligned(4))) zpl_atomic32; + typedef struct zpl_atomic64 { zpl_atomic(zpl_i64) value; } __attribute__ ((aligned(8))) zpl_atomic64; + typedef struct zpl_atomic_ptr { zpl_atomic(void*) value; } __attribute__ ((aligned(ZPL_ATOMIC_PTR_ALIGNMENT))) zpl_atomic_ptr; + #endif + + ZPL_DEF zpl_i32 zpl_atomic32_load (zpl_atomic32 const *a); + ZPL_DEF void zpl_atomic32_store (zpl_atomic32 *a, zpl_atomicarg(zpl_i32) value); + ZPL_DEF zpl_i32 zpl_atomic32_compare_exchange(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) expected, zpl_atomicarg(zpl_i32) desired); + ZPL_DEF zpl_i32 zpl_atomic32_exchange (zpl_atomic32 *a, zpl_atomicarg(zpl_i32) desired); + ZPL_DEF zpl_i32 zpl_atomic32_fetch_add (zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand); + ZPL_DEF zpl_i32 zpl_atomic32_fetch_and (zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand); + ZPL_DEF zpl_i32 zpl_atomic32_fetch_or (zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand); + ZPL_DEF zpl_b32 zpl_atomic32_spin_lock (zpl_atomic32 *a, zpl_isize time_out); // NOTE: time_out = -1 as default + ZPL_DEF void zpl_atomic32_spin_unlock (zpl_atomic32 *a); + ZPL_DEF zpl_b32 zpl_atomic32_try_acquire_lock(zpl_atomic32 *a); + + + ZPL_DEF zpl_i64 zpl_atomic64_load (zpl_atomic64 const *a); + ZPL_DEF void zpl_atomic64_store (zpl_atomic64 *a, zpl_atomicarg(zpl_i64) value); + ZPL_DEF zpl_i64 zpl_atomic64_compare_exchange(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) expected, zpl_atomicarg(zpl_i64) desired); + ZPL_DEF zpl_i64 zpl_atomic64_exchange (zpl_atomic64 *a, zpl_atomicarg(zpl_i64) desired); + ZPL_DEF zpl_i64 zpl_atomic64_fetch_add (zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand); + ZPL_DEF zpl_i64 zpl_atomic64_fetch_and (zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand); + ZPL_DEF zpl_i64 zpl_atomic64_fetch_or (zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand); + ZPL_DEF zpl_b32 zpl_atomic64_spin_lock (zpl_atomic64 *a, zpl_isize time_out); // NOTE: time_out = -1 as default + ZPL_DEF void zpl_atomic64_spin_unlock (zpl_atomic64 *a); + ZPL_DEF zpl_b32 zpl_atomic64_try_acquire_lock(zpl_atomic64 *a); + + + ZPL_DEF void *zpl_atomic_ptr_load (zpl_atomic_ptr const *a); + ZPL_DEF void zpl_atomic_ptr_store (zpl_atomic_ptr *a, zpl_atomicarg(void *)value); + ZPL_DEF void *zpl_atomic_ptr_compare_exchange(zpl_atomic_ptr *a, zpl_atomicarg(void *)expected, zpl_atomicarg(void *)desired); + ZPL_DEF void *zpl_atomic_ptr_exchange (zpl_atomic_ptr *a, zpl_atomicarg(void *)desired); + ZPL_DEF void *zpl_atomic_ptr_fetch_add (zpl_atomic_ptr *a, zpl_atomicarg(void *)operand); + ZPL_DEF void *zpl_atomic_ptr_fetch_and (zpl_atomic_ptr *a, zpl_atomicarg(void *)operand); + ZPL_DEF void *zpl_atomic_ptr_fetch_or (zpl_atomic_ptr *a, zpl_atomicarg(void *)operand); + ZPL_DEF zpl_b32 zpl_atomic_ptr_spin_lock (zpl_atomic_ptr *a, zpl_isize time_out); // NOTE: time_out = -1 as default + ZPL_DEF void zpl_atomic_ptr_spin_unlock (zpl_atomic_ptr *a); + ZPL_DEF zpl_b32 zpl_atomic_ptr_try_acquire_lock(zpl_atomic_ptr *a); + + ZPL_END_C_DECLS + // file: header/threading/fence.h + + // Fences + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_DEF void zpl_yield_thread(void); + ZPL_DEF void zpl_mfence (void); + ZPL_DEF void zpl_sfence (void); + ZPL_DEF void zpl_lfence (void); + + ZPL_END_C_DECLS + // file: header/threading/sem.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_SYSTEM_MACOS) + #include + #elif defined(ZPL_SYSTEM_UNIX) + #include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) + typedef struct zpl_semaphore { void *win32_handle; } zpl_semaphore; + #elif defined(ZPL_SYSTEM_MACOS) + typedef struct zpl_semaphore { semaphore_t osx_handle; } zpl_semaphore; + #elif defined(ZPL_SYSTEM_UNIX) + typedef struct zpl_semaphore { sem_t unix_handle; } zpl_semaphore; + #else + #error + #endif + + ZPL_DEF void zpl_semaphore_init (zpl_semaphore *s); + ZPL_DEF void zpl_semaphore_destroy(zpl_semaphore *s); + ZPL_DEF void zpl_semaphore_post (zpl_semaphore *s, zpl_i32 count); + ZPL_DEF void zpl_semaphore_release(zpl_semaphore *s); // NOTE: zpl_semaphore_post(s, 1) + ZPL_DEF void zpl_semaphore_wait (zpl_semaphore *s); + + ZPL_END_C_DECLS + // file: header/threading/mutex.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_mutex { + #if defined(ZPL_SYSTEM_WINDOWS) + CRITICAL_SECTION win32_critical_section; + #else + pthread_mutex_t pthread_mutex; + #endif + } zpl_mutex; + + ZPL_DEF void zpl_mutex_init (zpl_mutex *m); + ZPL_DEF void zpl_mutex_destroy (zpl_mutex *m); + ZPL_DEF void zpl_mutex_lock (zpl_mutex *m); + ZPL_DEF zpl_b32 zpl_mutex_try_lock(zpl_mutex *m); + ZPL_DEF void zpl_mutex_unlock (zpl_mutex *m); + + ZPL_END_C_DECLS + // file: header/threading/thread.h + + #ifdef ZPL_EDITOR + #include + #else + struct zpl_thread; + #endif + + ZPL_BEGIN_C_DECLS + + typedef zpl_isize (*zpl_thread_proc)(struct zpl_thread *thread); + + typedef struct zpl_thread { + #if defined(ZPL_SYSTEM_WINDOWS) + void * win32_handle; + #else + pthread_t posix_handle; + #endif + + zpl_thread_proc proc; + void * user_data; + zpl_isize user_index; + zpl_isize return_value; + + zpl_semaphore semaphore; + zpl_isize stack_size; + zpl_b32 is_running; + } zpl_thread; + + ZPL_DEF void zpl_thread_init (zpl_thread *t); + ZPL_DEF void zpl_thread_destroy (zpl_thread *t); + ZPL_DEF void zpl_thread_start (zpl_thread *t, zpl_thread_proc proc, void *data); + ZPL_DEF void zpl_thread_start_with_stack(zpl_thread *t, zpl_thread_proc proc, void *data, zpl_isize stack_size); + ZPL_DEF void zpl_thread_join (zpl_thread *t); + ZPL_DEF zpl_b32 zpl_thread_is_running (zpl_thread const *t); + ZPL_DEF zpl_u32 zpl_thread_current_id (void); + ZPL_DEF void zpl_thread_set_name (zpl_thread *t, char const *name); + + ZPL_END_C_DECLS + // file: header/threading/sync.h + + // NOTE: Thread Merge Operation + // Based on Sean Barrett's stb_sync + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef struct zpl_sync { + zpl_i32 target; // Target Number of threads + zpl_i32 current; // Threads to hit + zpl_i32 waiting; // Threads waiting + + zpl_mutex start; + zpl_mutex mutex; + zpl_semaphore release; + } zpl_sync; + + ZPL_DEF void zpl_sync_init (zpl_sync *s); + ZPL_DEF void zpl_sync_destroy (zpl_sync *s); + ZPL_DEF void zpl_sync_set_target (zpl_sync *s, zpl_i32 count); + ZPL_DEF void zpl_sync_release (zpl_sync *s); + ZPL_DEF zpl_i32 zpl_sync_reach (zpl_sync *s); + ZPL_DEF void zpl_sync_reach_and_wait(zpl_sync *s); + + ZPL_END_C_DECLS + // file: header/threading/affinity.h + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_SYSTEM_WINDOWS) || defined (ZPL_SYSTEM_CYGWIN) + + typedef struct zpl_affinity { + zpl_b32 is_accurate; + zpl_isize core_count; + zpl_isize thread_count; + + #define ZPL_WIN32_MAX_THREADS (8 * zpl_size_of(zpl_usize)) + zpl_usize core_masks[ZPL_WIN32_MAX_THREADS]; + } zpl_affinity; + + #elif defined(ZPL_SYSTEM_OSX) + + typedef struct zpl_affinity { + zpl_b32 is_accurate; + zpl_isize core_count; + zpl_isize thread_count; + zpl_isize threads_per_core; + } zpl_affinity; + + #elif defined(ZPL_SYSTEM_LINUX) || defined(ZPL_SYSTEM_FREEBSD) || defined(ZPL_SYSTEM_EMSCRIPTEN) || defined(ZPL_SYSTEM_OPENBSD) + + typedef struct zpl_affinity { + zpl_b32 is_accurate; + zpl_isize core_count; + zpl_isize thread_count; + zpl_isize threads_per_core; + } zpl_affinity; + + #else + #error TODO: Unknown system + #endif + + ZPL_DEF void zpl_affinity_init (zpl_affinity *a); + ZPL_DEF void zpl_affinity_destroy(zpl_affinity *a); + ZPL_DEF zpl_b32 zpl_affinity_set (zpl_affinity *a, zpl_isize core, zpl_isize thread); + ZPL_DEF zpl_isize zpl_affinity_thread_count_for_core(zpl_affinity *a, zpl_isize core); + + ZPL_END_C_DECLS + + #if defined(ZPL_MODULE_JOBS) + // file: header/jobs.h + + /** @file threadpool.c + @brief Job system + @defgroup jobs Job system + + This job system follows thread pool pattern to minimize the costs of thread initialization. + It reuses fixed number of threads to process variable number of jobs. + + @{ + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef void (*zpl_jobs_proc)(void *data); + + #define ZPL_INVALID_JOB ZPL_U32_MAX + + typedef enum { + ZPL_JOBS_STATUS_READY, + ZPL_JOBS_STATUS_BUSY, + ZPL_JOBS_STATUS_WAITING, + ZPL_JOBS_STATUS_TERM, + } zpl_jobs_status; + + typedef struct { + zpl_jobs_proc proc; + void *data; + + zpl_f32 priority; + } zpl_thread_job; + + typedef struct { + zpl_thread thread; + zpl_atomic32 status; + zpl_u32 jobid; + void *pool; + } zpl_thread_worker; + + typedef struct { + zpl_allocator alloc; + zpl_u32 max_threads; + zpl_f32 job_spawn_treshold; + zpl_mutex access; + zpl_thread_worker *workers; ///< zpl_buffer + zpl_thread_job *jobs; ///< zpl_array + zpl_u32 *queue; ///< zpl_array + zpl_u32 *available; ///< zpl_array + } zpl_thread_pool; + + //! Initialize thread pool with specified amount of fixed threads. + ZPL_DEF void zpl_jobs_init(zpl_thread_pool *pool, zpl_allocator a, zpl_u32 max_threads); + + //! Release the resources use by thread pool. + ZPL_DEF void zpl_jobs_free(zpl_thread_pool *pool); + + //! Enqueue a job with specified data. + ZPL_DEF void zpl_jobs_enqueue(zpl_thread_pool *pool, zpl_jobs_proc proc, void *data); + + //! Enqueue a job with specific priority with specified data. + ZPL_DEF void zpl_jobs_enqueue_with_priority(zpl_thread_pool *pool, zpl_jobs_proc proc, void *data, zpl_f32 priority); + + //! Process all jobs and check all threads. Should be called by Main Thread in a tight loop. + ZPL_DEF zpl_b32 zpl_jobs_process(zpl_thread_pool *pool); + + ZPL_END_C_DECLS + #endif + + #if defined(ZPL_MODULE_COROUTINES) + // file: header/coroutines.h + + /** @file coroutines.c + @brief Coroutines module + @defgroup misc Coroutines module + + This module implements co-routines feature for C99. + + @{ + */ + /* + See test/coroutines.c for an example usage + */ + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #ifndef ZPL_CO_ARG_STACK_CAPACITY + #define ZPL_CO_ARG_STACK_CAPACITY 128 + #endif + + typedef enum { + ZPL_CO_READY, + ZPL_CO_ENQUEUED, + ZPL_CO_RUNNING, + ZPL_CO_WAITING, + ZPL_CO_DEAD, + } zpl_co_status; + + struct zpl_co; + + typedef void (*zpl_co_proc)(struct zpl_co *co); + + typedef struct zpl_co { + zpl_atomic32 status; + zpl_co_proc f; + void *data; // overwritten internally, use inside of co-routines + void *data_stack[ZPL_CO_ARG_STACK_CAPACITY]; + zpl_i32 data_read_idx, data_write_idx; + zpl_atomic32 resume, push_arg; + } zpl_co; + + // These methods are used to initialize the co-routine subsystem + + /** + * Initializes the coroutines subsystem + * @param a Memory allocator to be used + * @param max_threads Maximum amount of threads to use for coroutines execution + */ + ZPL_DEF void zpl_co_init(zpl_allocator a, zpl_u32 max_threads); + + /** + * Destroys the coroutines subsystem + * + * IMPORTANT: This is a blocking method that waits until all the coroutines are finished. + * Please, make sure your coroutines are correctly designed, so that you + * won't end up in an infinite loop. + */ + ZPL_DEF void zpl_co_destroy(void); + + // These methods are used by the host to create and run/resume co-routines + // Make sure the co-routine subsystem is initialized first! + + /** + * Create a paused coroutine + * @param co Coroutine reference + * @param f Coroutine method + */ + ZPL_DEF void zpl_co_make(zpl_co *co, zpl_co_proc f); + + /** + * Starts/Resumes a coroutine execution. + * + * IMPORTANT: Data you pass is stored in a stack of up to ZPL_CO_ARG_STACK_CAPACITY. + * This means that you can cause stack corruption if you + * call 'zpl_co_resume' with data passed (ZPL_CO_ARG_STACK_CAPACITY+1) times. + * Raise the number by defining ZPL_CO_ARG_STACK_CAPACITY if required. + * + * @param co Coroutine + * @param data Data we want to pass (or NULL) + */ + ZPL_DEF void zpl_co_resume(zpl_co *co, void *data); + + /** + * Is a coroutine running at the moment? + * @param co Coroutine + * @return + */ + ZPL_DEF_INLINE zpl_b32 zpl_co_running(zpl_co *co); + + /** + * Is a coroutine already finished? + * @param co Coroutine + * @return + */ + ZPL_DEF_INLINE zpl_b32 zpl_co_finished(zpl_co *co); + + /** + * Is coroutine waiting? (in yield state) + * @param co Coroutine + * @return + */ + ZPL_DEF_INLINE zpl_b32 zpl_co_waiting(zpl_co *co); + + // This method is used by the co-routine to await execution + // + + /** + * Yield the coroutine. + * + * IMPORTANT: Only to be used by the coroutine!! + * @param co Coroutine + */ + ZPL_DEF void zpl_co_yield(zpl_co *co); + + //! @} + + ZPL_IMPL_INLINE zpl_b32 zpl_co_running(zpl_co *co) { + return zpl_atomic32_load(&co->status) == ZPL_CO_RUNNING; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_co_finished(zpl_co *co) { + return zpl_atomic32_load(&co->status) == ZPL_CO_DEAD; + } + + ZPL_IMPL_INLINE zpl_b32 zpl_co_waiting(zpl_co *co) { + return zpl_atomic32_load(&co->resume) == 0; + } + + ZPL_END_C_DECLS + #endif +#endif + +#if defined(ZPL_COMPILER_MSVC) + #pragma warning(pop) +#endif + +#if defined(__GCC__) || defined(__GNUC__) || defined(__clang__) + #pragma GCC diagnostic pop +#endif + +#if defined(ZPL_IMPLEMENTATION) && !defined(ZPL_IMPLEMENTATION_DONE) +#define ZPL_IMPLEMENTATION_DONE + +#if defined(__GCC__) || defined(__GNUC__) || defined(__clang__) + #pragma GCC diagnostic push + #pragma GCC diagnostic ignored "-Wattributes" + #pragma GCC diagnostic ignored "-Wunused-value" + #pragma GCC diagnostic ignored "-Wunused-function" + #pragma GCC diagnostic ignored "-Wwrite-strings" + #pragma GCC diagnostic ignored "-Wunused-parameter" + #pragma GCC diagnostic ignored "-Wdeprecated-declarations" + #pragma GCC diagnostic ignored "-Wmissing-braces" + #pragma GCC diagnostic ignored "-Wmissing-field-initializers" + #pragma GCC diagnostic ignored "-Wimplicit-fallthrough" +#endif + +#if defined(_MSC_VER) + #pragma warning(push) + #pragma warning(disable : 4201) + #pragma warning(disable : 4996) // Disable deprecated POSIX functions warning + #pragma warning(disable : 4127) // Conditional expression is constant +#endif + +/* general purpose includes */ + +#include + +#if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_MACOS) + #include + #include +#elif defined(ZPL_SYSTEM_WINDOWS) + #if !defined(ZPL_NO_WINDOWS_H) + #ifndef WIN32_LEAN_AND_MEAN + #ifndef NOMINMAX + #define NOMINMAX + #endif + + #define WIN32_LEAN_AND_MEAN + #define WIN32_MEAN_AND_LEAN + #define VC_EXTRALEAN + #endif + #include + #undef NOMINMAX + #undef WIN32_LEAN_AND_MEAN + #undef WIN32_MEAN_AND_LEAN + #undef VC_EXTRALEAN + #endif +#endif + +#if defined(ZPL_MODULE_CORE) + // file: source/core/debug.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + void zpl_assert_handler(char const *condition, char const *file, zpl_i32 line, char const *msg, ...) { + zpl_printf_err("%s:(%d): Assert Failure: ", file, line); + + if (condition) zpl_printf_err("`%s` ", condition); + + if (msg) { + va_list va; + va_start(va, msg); + zpl_printf_err_va(msg, va); + va_end(va); + } + + zpl_printf_err("\n"); + } + + zpl_i32 zpl_assert_crash(char const *condition) { + ZPL_PANIC(condition); + return 0; + } + + ZPL_END_C_DECLS + // file: source/core/memory.c + + #ifdef ZPL_EDITOR + #include + #endif + + #include + + ZPL_BEGIN_C_DECLS + + + void zpl_memswap(void *i, void *j, zpl_isize size) { + if (i == j) return; + + if (size == 4) { + zpl_swap(zpl_u32, *cast(zpl_u32 *) i, *cast(zpl_u32 *) j); + } else if (size == 8) { + zpl_swap(zpl_u64, *cast(zpl_u64 *) i, *cast(zpl_u64 *) j); + } else if (size < 8) { + zpl_u8 *a = cast(zpl_u8 *) i; + zpl_u8 *b = cast(zpl_u8 *) j; + if (a != b) { + while (size--) { zpl_swap(zpl_u8, *a++, *b++); } + } + } else { + char buffer[256]; + + while (size > zpl_size_of(buffer)) { + zpl_memswap(i, j, zpl_size_of(buffer)); + i = zpl_pointer_add(i, zpl_size_of(buffer)); + j = zpl_pointer_add(j, zpl_size_of(buffer)); + size -= zpl_size_of(buffer); + } + + zpl_memcopy(buffer, i, size); + zpl_memcopy(i, j, size); + zpl_memcopy(j, buffer, size); + } + } + + void const *zpl_memchr(void const *data, zpl_u8 c, zpl_isize n) { + zpl_u8 const *s = cast(zpl_u8 const *) data; + while ((cast(zpl_uintptr) s & (sizeof(zpl_usize) - 1)) && n && *s != c) { + s++; + n--; + } + if (n && *s != c) { + zpl_isize const *w; + zpl_isize k = ZPL__ONES * c; + w = cast(zpl_isize const *) s; + while (n >= zpl_size_of(zpl_isize) && !ZPL__HAS_ZERO(*w ^ k)) { + w++; + n -= zpl_size_of(zpl_isize); + } + s = cast(zpl_u8 const *) w; + while (n && *s != c) { + s++; + n--; + } + } + + return n ? cast(void const *) s : NULL; + } + + void const *zpl_memrchr(void const *data, zpl_u8 c, zpl_isize n) { + zpl_u8 const *s = cast(zpl_u8 const *) data; + while (n--) { + if (s[n] == c) return cast(void const *)(s + n); + } + return NULL; + } + + void *zpl_memcopy(void *dest, void const *source, zpl_isize n) { + if (dest == NULL) { return NULL; } + + return memcpy(dest, source, n); + + // TODO: Re-work the whole method + #if 0 + #if defined(_MSC_VER) + __movsb(cast(zpl_u8 *) dest, cast(zpl_u8 *) source, n); + #elif defined(ZPL_CPU_X86) && !defined(ZPL_SYSTEM_EMSCRIPTEN) + zpl_u8 *__dest8 = cast(zpl_u8 *) dest; + zpl_u8 *__source8 = cast(zpl_u8 *) source; + __asm__ __volatile__("rep movsb" : "+D"(__dest8), "+S"(__source8), "+c"(n) : : "memory"); + #elif defined(ZPL_CPU_ARM) + return memcpy(dest, source, n); + #else + zpl_u8 *d = cast(zpl_u8 *) dest; + zpl_u8 const *s = cast(zpl_u8 const *) source; + zpl_u32 w, x; + + for (; cast(zpl_uintptr) s % 4 && n; n--) *d++ = *s++; + + if (cast(zpl_uintptr) d % 4 == 0) { + for (; n >= 16; s += 16, d += 16, n -= 16) { + *cast(zpl_u32 *)(d + 0) = *cast(zpl_u32 *)(s + 0); + *cast(zpl_u32 *)(d + 4) = *cast(zpl_u32 *)(s + 4); + *cast(zpl_u32 *)(d + 8) = *cast(zpl_u32 *)(s + 8); + *cast(zpl_u32 *)(d + 12) = *cast(zpl_u32 *)(s + 12); + } + if (n & 8) { + *cast(zpl_u32 *)(d + 0) = *cast(zpl_u32 *)(s + 0); + *cast(zpl_u32 *)(d + 4) = *cast(zpl_u32 *)(s + 4); + d += 8; + s += 8; + } + if (n & 4) { + *cast(zpl_u32 *)(d + 0) = *cast(zpl_u32 *)(s + 0); + d += 4; + s += 4; + } + if (n & 2) { + *d++ = *s++; + *d++ = *s++; + } + if (n & 1) { *d = *s; } + return dest; + } + + if (n >= 32) { + #if __BYTE_ORDER == __BIG_ENDIAN + #define LS << + #define RS >> + #else + #define LS >> + #define RS << + #endif + switch (cast(zpl_uintptr) d % 4) { + case 1: { + w = *cast(zpl_u32 *) s; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + n -= 3; + while (n > 16) { + x = *cast(zpl_u32 *)(s + 1); + *cast(zpl_u32 *)(d + 0) = (w LS 24) | (x RS 8); + w = *cast(zpl_u32 *)(s + 5); + *cast(zpl_u32 *)(d + 4) = (x LS 24) | (w RS 8); + x = *cast(zpl_u32 *)(s + 9); + *cast(zpl_u32 *)(d + 8) = (w LS 24) | (x RS 8); + w = *cast(zpl_u32 *)(s + 13); + *cast(zpl_u32 *)(d + 12) = (x LS 24) | (w RS 8); + + s += 16; + d += 16; + n -= 16; + } + } break; + case 2: { + w = *cast(zpl_u32 *) s; + *d++ = *s++; + *d++ = *s++; + n -= 2; + while (n > 17) { + x = *cast(zpl_u32 *)(s + 2); + *cast(zpl_u32 *)(d + 0) = (w LS 16) | (x RS 16); + w = *cast(zpl_u32 *)(s + 6); + *cast(zpl_u32 *)(d + 4) = (x LS 16) | (w RS 16); + x = *cast(zpl_u32 *)(s + 10); + *cast(zpl_u32 *)(d + 8) = (w LS 16) | (x RS 16); + w = *cast(zpl_u32 *)(s + 14); + *cast(zpl_u32 *)(d + 12) = (x LS 16) | (w RS 16); + + s += 16; + d += 16; + n -= 16; + } + } break; + case 3: { + w = *cast(zpl_u32 *) s; + *d++ = *s++; + n -= 1; + while (n > 18) { + x = *cast(zpl_u32 *)(s + 3); + *cast(zpl_u32 *)(d + 0) = (w LS 8) | (x RS 24); + w = *cast(zpl_u32 *)(s + 7); + *cast(zpl_u32 *)(d + 4) = (x LS 8) | (w RS 24); + x = *cast(zpl_u32 *)(s + 11); + *cast(zpl_u32 *)(d + 8) = (w LS 8) | (x RS 24); + w = *cast(zpl_u32 *)(s + 15); + *cast(zpl_u32 *)(d + 12) = (x LS 8) | (w RS 24); + + s += 16; + d += 16; + n -= 16; + } + } break; + default: break; // NOTE: Do nowt! + } + #undef LS + #undef RS + if (n & 16) { + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + } + if (n & 8) { + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + } + if (n & 4) { + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + *d++ = *s++; + } + if (n & 2) { + *d++ = *s++; + *d++ = *s++; + } + if (n & 1) { *d = *s; } + } + + #endif + #endif + + return dest; + } + + ZPL_END_C_DECLS + // file: source/core/memory_virtual.c + + //////////////////////////////////////////////////////////////// + // + // Virtual Memory + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_virtual_memory zpl_vm(void *data, zpl_isize size) { + zpl_virtual_memory vm; + vm.data = data; + vm.size = size; + return vm; + } + + #if defined(ZPL_SYSTEM_WINDOWS) + zpl_virtual_memory zpl_vm_alloc(void *addr, zpl_isize size) { + zpl_virtual_memory vm; + ZPL_ASSERT(size > 0); + vm.data = VirtualAlloc(addr, size, MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE); + vm.size = size; + return vm; + } + + zpl_b32 zpl_vm_free(zpl_virtual_memory vm) { + MEMORY_BASIC_INFORMATION info; + while (vm.size > 0) { + if (VirtualQuery(vm.data, &info, zpl_size_of(info)) == 0) return false; + if (info.BaseAddress != vm.data || info.AllocationBase != vm.data || info.State != MEM_COMMIT || + info.RegionSize > cast(zpl_usize) vm.size) { + return false; + } + if (VirtualFree(vm.data, 0, MEM_RELEASE) == 0) return false; + vm.data = zpl_pointer_add(vm.data, info.RegionSize); + vm.size -= info.RegionSize; + } + return true; + } + + zpl_virtual_memory zpl_vm_trim(zpl_virtual_memory vm, zpl_isize lead_size, zpl_isize size) { + zpl_virtual_memory new_vm = { 0 }; + void *ptr; + ZPL_ASSERT(vm.size >= lead_size + size); + + ptr = zpl_pointer_add(vm.data, lead_size); + + zpl_vm_free(vm); + new_vm = zpl_vm_alloc(ptr, size); + if (new_vm.data == ptr) return new_vm; + if (new_vm.data) zpl_vm_free(new_vm); + return new_vm; + } + + zpl_b32 zpl_vm_purge(zpl_virtual_memory vm) { + VirtualAlloc(vm.data, vm.size, MEM_RESET, PAGE_READWRITE); + // NOTE: Can this really fail? + return true; + } + + zpl_isize zpl_virtual_memory_page_size(zpl_isize *alignment_out) { + SYSTEM_INFO info; + GetSystemInfo(&info); + if (alignment_out) *alignment_out = info.dwAllocationGranularity; + return info.dwPageSize; + } + + #else + #include + + #ifndef MAP_ANONYMOUS + #define MAP_ANONYMOUS MAP_ANON + #endif + + zpl_virtual_memory zpl_vm_alloc(void *addr, zpl_isize size) { + zpl_virtual_memory vm; + ZPL_ASSERT(size > 0); + vm.data = mmap(addr, size, PROT_READ | PROT_WRITE, MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); + vm.size = size; + return vm; + } + + zpl_b32 zpl_vm_free(zpl_virtual_memory vm) { + munmap(vm.data, vm.size); + return true; + } + + zpl_virtual_memory zpl_vm_trim(zpl_virtual_memory vm, zpl_isize lead_size, zpl_isize size) { + void *ptr; + zpl_isize trail_size; + ZPL_ASSERT(vm.size >= lead_size + size); + + ptr = zpl_pointer_add(vm.data, lead_size); + trail_size = vm.size - lead_size - size; + + if (lead_size != 0) zpl_vm_free(zpl_vm(vm.data, lead_size)); + if (trail_size != 0) zpl_vm_free(zpl_vm(ptr, trail_size)); + return zpl_vm(ptr, size); + } + + zpl_b32 zpl_vm_purge(zpl_virtual_memory vm) { + int err = madvise(vm.data, vm.size, MADV_DONTNEED); + return err != 0; + } + + zpl_isize zpl_virtual_memory_page_size(zpl_isize *alignment_out) { + // TODO: Is this always true? + zpl_isize result = cast(zpl_isize) sysconf(_SC_PAGE_SIZE); + if (alignment_out) *alignment_out = result; + return result; + } + + #endif + + ZPL_END_C_DECLS + // file: source/core/memory_custom.c + + #ifdef ZPL_EDITOR + #include + #endif + + #ifndef _IOSC11_SOURCE + #define _IOSC11_SOURCE + #endif + + #include + + #if defined(ZPL_SYSTEM_WINDOWS) + #include + #endif + + #if defined(ZPL_COMPILER_MINGW) + #ifdef __MINGW32__ + #define _aligned_malloc __mingw_aligned_malloc + #define _aligned_free __mingw_aligned_free + #endif //MINGW + #endif + + ZPL_BEGIN_C_DECLS + + char *zpl_alloc_str(zpl_allocator a, char const *str) { + return zpl_alloc_str_len(a, str, zpl_strlen(str)); + } + + //////////////////////////////////////////////////////////////// + // + // Custom Allocation + // + // + + // + // Heap Allocator + // + + ZPL_ALLOCATOR_PROC(zpl_heap_allocator_proc) { + void *ptr = NULL; + zpl_unused(allocator_data); + zpl_unused(old_size); + // TODO: Throughly test! + switch (type) { + #if defined(ZPL_COMPILER_MSVC) || (defined(ZPL_COMPILER_GCC) && defined(ZPL_SYSTEM_WINDOWS)) + case ZPL_ALLOCATION_ALLOC: + ptr = _aligned_malloc(size, alignment); + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) zpl_zero_size(ptr, size); + break; + case ZPL_ALLOCATION_FREE: _aligned_free(old_memory); break; + case ZPL_ALLOCATION_RESIZE: ptr = _aligned_realloc(old_memory, size, alignment); break; + + #elif defined(ZPL_SYSTEM_LINUX) && !defined(ZPL_CPU_ARM) + case ZPL_ALLOCATION_ALLOC: { + ptr = aligned_alloc(alignment, size); + + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) { zpl_zero_size(ptr, size); } + } break; + + case ZPL_ALLOCATION_FREE: { + free(old_memory); + } break; + + case ZPL_ALLOCATION_RESIZE: { + zpl_allocator a = zpl_heap_allocator( ); + ptr = zpl_default_resize_align(a, old_memory, old_size, size, alignment); + } break; + #else + case ZPL_ALLOCATION_ALLOC: { + posix_memalign(&ptr, alignment, size); + + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) { zpl_zero_size(ptr, size); } + } break; + + case ZPL_ALLOCATION_FREE: { + free(old_memory); + } break; + + case ZPL_ALLOCATION_RESIZE: { + zpl_allocator a = zpl_heap_allocator( ); + ptr = zpl_default_resize_align(a, old_memory, old_size, size, alignment); + } break; + #endif + + case ZPL_ALLOCATION_FREE_ALL: break; + } + + return ptr; + } + + // + // Arena Allocator + // + + ZPL_ALLOCATOR_PROC(zpl_arena_allocator_proc) { + zpl_arena *arena = cast(zpl_arena *) allocator_data; + void *ptr = NULL; + + zpl_unused(old_size); + + switch (type) { + case ZPL_ALLOCATION_ALLOC: { + void *end = zpl_pointer_add(arena->physical_start, arena->total_allocated); + zpl_isize total_size = size + alignment; + + // NOTE: Out of memory + if (arena->total_allocated + total_size > cast(zpl_isize) arena->total_size) { + zpl_printf_err("Arena out of memory\n"); + return NULL; + } + + ptr = zpl_align_forward(end, alignment); + arena->total_allocated += total_size; + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) zpl_zero_size(ptr, size); + } break; + + case ZPL_ALLOCATION_FREE: + // NOTE: Free all at once + // Use Temp_Arena_Memory if you want to free a block + break; + + case ZPL_ALLOCATION_FREE_ALL: arena->total_allocated = 0; break; + + case ZPL_ALLOCATION_RESIZE: { + // TODO: Check if ptr is on top of stack and just extend + zpl_allocator a = zpl_arena_allocator(arena); + ptr = zpl_default_resize_align(a, old_memory, old_size, size, alignment); + } break; + } + return ptr; + } + + // + // Pool Allocator + // + + void zpl_pool_init_align(zpl_pool *pool, zpl_allocator backing, zpl_isize num_blocks, zpl_isize block_size, zpl_isize block_align) { + zpl_isize actual_block_size, pool_size, block_index; + void *data, *curr; + zpl_uintptr *end; + + zpl_zero_item(pool); + + pool->backing = backing; + pool->block_size = block_size; + pool->block_align = block_align; + pool->num_blocks = num_blocks; + + actual_block_size = block_size + block_align; + pool_size = num_blocks * actual_block_size; + + data = zpl_alloc_align(backing, pool_size, block_align); + + // NOTE: Init intrusive freelist + curr = data; + for (block_index = 0; block_index < num_blocks - 1; block_index++) { + zpl_uintptr *next = cast(zpl_uintptr *) curr; + *next = cast(zpl_uintptr) curr + actual_block_size; + curr = zpl_pointer_add(curr, actual_block_size); + } + + end = cast(zpl_uintptr *) curr; + *end = cast(zpl_uintptr) NULL; + + pool->physical_start = data; + pool->free_list = data; + } + + ZPL_ALLOCATOR_PROC(zpl_pool_allocator_proc) { + zpl_pool *pool = cast(zpl_pool *) allocator_data; + void *ptr = NULL; + + zpl_unused(old_size); + + switch (type) { + case ZPL_ALLOCATION_ALLOC: { + zpl_uintptr next_free; + ZPL_ASSERT(size == pool->block_size); + ZPL_ASSERT(alignment == pool->block_align); + ZPL_ASSERT(pool->free_list != NULL); + + next_free = *cast(zpl_uintptr *) pool->free_list; + ptr = pool->free_list; + pool->free_list = cast(void *) next_free; + pool->total_size += pool->block_size; + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) zpl_zero_size(ptr, size); + } break; + + case ZPL_ALLOCATION_FREE: { + zpl_uintptr *next; + if (old_memory == NULL) return NULL; + + next = cast(zpl_uintptr *) old_memory; + *next = cast(zpl_uintptr) pool->free_list; + pool->free_list = old_memory; + pool->total_size -= pool->block_size; + } break; + + case ZPL_ALLOCATION_FREE_ALL: { + zpl_isize actual_block_size, block_index; + void *curr; + zpl_uintptr *end; + + actual_block_size = pool->block_size + pool->block_align; + pool->total_size = 0; + + // NOTE: Init intrusive freelist + curr = pool->physical_start; + for (block_index = 0; block_index < pool->num_blocks - 1; block_index++) { + zpl_uintptr *next = cast(zpl_uintptr *) curr; + *next = cast(zpl_uintptr) curr + actual_block_size; + curr = zpl_pointer_add(curr, actual_block_size); + } + + end = cast(zpl_uintptr *) curr; + *end = cast(zpl_uintptr) NULL; + pool->free_list = pool->physical_start; + } break; + + case ZPL_ALLOCATION_RESIZE: + // NOTE: Cannot resize + ZPL_PANIC("You cannot resize something allocated by with a pool."); + break; + } + + return ptr; + } + + + // + // Scratch Memory Allocator + // + + void zpl_scratch_memory_init(zpl_scratch_memory *s, void *start, zpl_isize size) { + s->physical_start = start; + s->total_size = size; + s->alloc_point = start; + s->free_point = start; + } + + zpl_b32 zpl_scratch_memory_is_in_use(zpl_scratch_memory *s, void *ptr) { + if (s->free_point == s->alloc_point) return false; + if (s->alloc_point > s->free_point) return ptr >= s->free_point && ptr < s->alloc_point; + return ptr >= s->free_point || ptr < s->alloc_point; + } + + zpl_allocator zpl_scratch_allocator(zpl_scratch_memory *s) { + zpl_allocator a; + a.proc = zpl_scratch_allocator_proc; + a.data = s; + return a; + } + + ZPL_ALLOCATOR_PROC(zpl_scratch_allocator_proc) { + zpl_scratch_memory *s = cast(zpl_scratch_memory *) allocator_data; + void *ptr = NULL; + ZPL_ASSERT_NOT_NULL(s); + + switch (type) { + case ZPL_ALLOCATION_ALLOC: { + void *pt = s->alloc_point; + zpl_allocation_header_ev *header = cast(zpl_allocation_header_ev *) pt; + void *data = zpl_align_forward(header + 1, alignment); + void *end = zpl_pointer_add(s->physical_start, s->total_size); + + ZPL_ASSERT(alignment % 4 == 0); + size = ((size + 3) / 4) * 4; + pt = zpl_pointer_add(pt, size); + + // NOTE: Wrap around + if (pt > end) { + header->size = zpl_pointer_diff(header, end) | ZPL_ISIZE_HIGH_BIT; + pt = s->physical_start; + header = cast(zpl_allocation_header_ev *) pt; + data = zpl_align_forward(header + 1, alignment); + pt = zpl_pointer_add(pt, size); + } + + if (!zpl_scratch_memory_is_in_use(s, pt)) { + zpl_allocation_header_fill(header, pt, zpl_pointer_diff(header, pt)); + s->alloc_point = cast(zpl_u8 *) pt; + ptr = data; + } + + if (flags & ZPL_ALLOCATOR_FLAG_CLEAR_TO_ZERO) zpl_zero_size(ptr, size); + } break; + + case ZPL_ALLOCATION_FREE: { + if (old_memory) { + void *end = zpl_pointer_add(s->physical_start, s->total_size); + if (old_memory < s->physical_start || old_memory >= end) { + ZPL_ASSERT(false); + } else { + // NOTE: Mark as free + zpl_allocation_header_ev *h = zpl_allocation_header(old_memory); + ZPL_ASSERT((h->size & ZPL_ISIZE_HIGH_BIT) == 0); + h->size = h->size | ZPL_ISIZE_HIGH_BIT; + + while (s->free_point != s->alloc_point) { + zpl_allocation_header_ev *header = cast(zpl_allocation_header_ev *) s->free_point; + if ((header->size & ZPL_ISIZE_HIGH_BIT) == 0) break; + + s->free_point = zpl_pointer_add(s->free_point, h->size & (~ZPL_ISIZE_HIGH_BIT)); + if (s->free_point == end) s->free_point = s->physical_start; + } + } + } + } break; + + case ZPL_ALLOCATION_FREE_ALL: + s->alloc_point = s->physical_start; + s->free_point = s->physical_start; + break; + + case ZPL_ALLOCATION_RESIZE: + ptr = zpl_default_resize_align(zpl_scratch_allocator(s), old_memory, old_size, size, alignment); + break; + } + + return ptr; + } + + // + // Stack Memory Allocator + // + ZPL_ALLOCATOR_PROC(zpl_stack_allocator_proc) { + zpl_stack_memory *s = cast(zpl_stack_memory *) allocator_data; + void *ptr = NULL; + ZPL_ASSERT_NOT_NULL(s); + zpl_unused(old_size); + zpl_unused(flags); + + switch (type) { + case ZPL_ALLOCATION_ALLOC: { + size += ZPL_STACK_ALLOC_OFFSET; + zpl_u64 alloc_offset = s->allocated; + + void *curr = + cast(zpl_u64 *) zpl_align_forward(cast(zpl_u64 *) zpl_pointer_add(s->physical_start, s->allocated), alignment); + + if (cast(zpl_u64 *) zpl_pointer_add(curr, size) > cast(zpl_u64 *) zpl_pointer_add(s->physical_start, s->total_size)) { + if (s->backing.proc) { + void *old_start = s->physical_start; + s->physical_start = + zpl_resize_align(s->backing, s->physical_start, s->total_size, s->total_size + size, alignment); + curr = cast(zpl_u64 *) + zpl_align_forward(cast(zpl_u64 *) zpl_pointer_add(s->physical_start, s->allocated), alignment); + s->total_size = zpl_pointer_diff(old_start, s->physical_start); + } else { + ZPL_PANIC("Can not resize stack's memory! Allocator not defined!"); + } + } + + s->allocated = zpl_pointer_diff(s->physical_start, curr) + size; + + *(zpl_u64 *)curr = alloc_offset; + curr = zpl_pointer_add(curr, ZPL_STACK_ALLOC_OFFSET); + + ptr = curr; + } break; + + case ZPL_ALLOCATION_FREE: { + if (old_memory) { + void *curr = old_memory; + curr = zpl_pointer_sub(curr, ZPL_STACK_ALLOC_OFFSET); + + zpl_u64 alloc_offset = *(zpl_u64 *)curr; + s->allocated = (zpl_usize)alloc_offset; + } + } break; + + case ZPL_ALLOCATION_FREE_ALL: { + s->allocated = 0; + } break; + + case ZPL_ALLOCATION_RESIZE: { + ZPL_PANIC("You cannot resize something allocated by a stack."); + } break; + } + return ptr; + } + + ZPL_END_C_DECLS + // file: source/core/array.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + ZPL_NEVER_INLINE void *zpl__array_set_capacity(void *array, zpl_isize capacity, zpl_isize element_size) { + zpl_array_header *h = ZPL_ARRAY_HEADER(array); + + ZPL_ASSERT(element_size > 0); + + if (capacity == h->capacity) return array; + + if (capacity < h->count) { + if (h->capacity < capacity) { + zpl_isize new_capacity = ZPL_ARRAY_GROW_FORMULA(h->capacity); + if (new_capacity < capacity) new_capacity = capacity; + zpl__array_set_capacity(array, new_capacity, element_size); + } + h->count = capacity; + } + + { + zpl_isize size = zpl_size_of(zpl_array_header) + element_size * capacity; + zpl_array_header *nh = cast(zpl_array_header *) zpl_alloc(h->allocator, size); + zpl_memmove(nh, h, zpl_size_of(zpl_array_header) + element_size * h->count); + nh->allocator = h->allocator; + nh->count = h->count; + nh->data = (char *)nh + 1; + nh->capacity = capacity; + zpl_free(h->allocator, h); + return nh + 1; + } + } + + ZPL_END_C_DECLS + // file: source/core/string.c + + //////////////////////////////////////////////////////////////// + // + // Char things + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_internal zpl_isize zpl__scan_zpl_i64(const char *text, zpl_i32 base, zpl_i64 *value) { + const char *text_begin = text; + zpl_i64 result = 0; + zpl_b32 negative = false; + + if (*text == '-') { + negative = true; + text++; + } + + if (base == 16 && zpl_strncmp(text, "0x", 2) == 0) text += 2; + + for (;;) { + zpl_i64 v; + if (zpl_char_is_digit(*text)) + v = *text - '0'; + else if (base == 16 && zpl_char_is_hex_digit(*text)) + v = zpl_hex_digit_to_int(*text); + else + break; + + result *= base; + result += v; + text++; + } + + if (value) { + if (negative) result = -result; + *value = result; + } + + return (text - text_begin); + } + + zpl_internal zpl_isize zpl__scan_zpl_u64(const char *text, zpl_i32 base, zpl_u64 *value) { + const char *text_begin = text; + zpl_u64 result = 0; + + if (base == 16 && zpl_strncmp(text, "0x", 2) == 0) text += 2; + + for (;;) { + zpl_u64 v; + if (zpl_char_is_digit(*text)) + v = *text - '0'; + else if (base == 16 && zpl_char_is_hex_digit(*text)) + v = zpl_hex_digit_to_int(*text); + else { + break; + } + + result *= base; + result += v; + text++; + } + + if (value) *value = result; + + return (text - text_begin); + } + + // TODO: Make better + zpl_u64 zpl_str_to_u64(const char *str, char **end_ptr, zpl_i32 base) { + zpl_isize len; + zpl_u64 value = 0; + + if (!base) { + if ((zpl_strlen(str) > 2) && (zpl_strncmp(str, "0x", 2) == 0)) + base = 16; + else + base = 10; + } + + len = zpl__scan_zpl_u64(str, base, &value); + if (end_ptr) *end_ptr = (char *)str + len; + return value; + } + + zpl_i64 zpl_str_to_i64(const char *str, char **end_ptr, zpl_i32 base) { + zpl_isize len; + zpl_i64 value; + + if (!base) { + if ((zpl_strlen(str) > 2) && (zpl_strncmp(str, "0x", 2) == 0)) + base = 16; + else + base = 10; + } + + len = zpl__scan_zpl_i64(str, base, &value); + if (end_ptr) *end_ptr = (char *)str + len; + return value; + } + + // TODO: Are these good enough for characters? + zpl_global const char zpl__num_to_char_table[] = "0123456789" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "@$"; + + void zpl_i64_to_str(zpl_i64 value, char *string, zpl_i32 base) { + char *buf = string; + zpl_b32 negative = false; + zpl_u64 v; + + if (value < 0) { + negative = true; + value = -value; + } + + v = cast(zpl_u64) value; + if (v != 0) { + while (v > 0) { + *buf++ = zpl__num_to_char_table[v % base]; + v /= base; + } + } else { + *buf++ = '0'; + } + if (negative) *buf++ = '-'; + *buf = '\0'; + zpl_strrev(string); + } + + void zpl_u64_to_str(zpl_u64 value, char *string, zpl_i32 base) { + char *buf = string; + + if (value) { + while (value > 0) { + *buf++ = zpl__num_to_char_table[value % base]; + value /= base; + } + } else { + *buf++ = '0'; + } + *buf = '\0'; + + zpl_strrev(string); + } + + zpl_f64 zpl_str_to_f64(const char *str, char **end_ptr) { + zpl_f64 result, value, sign, scale; + zpl_i32 frac; + + while (zpl_char_is_space(*str)) { str++; } + + sign = 1.0; + if (*str == '-') { + sign = -1.0; + str++; + } else if (*str == '+') { + str++; + } + + for (value = 0.0; zpl_char_is_digit(*str); str++) { value = value * 10.0 + (*str - '0'); } + + if (*str == '.') { + zpl_f64 pow10 = 10.0; + str++; + while (zpl_char_is_digit(*str)) { + value += (*str - '0') / pow10; + pow10 *= 10.0; + str++; + } + } + + frac = 0; + scale = 1.0; + if ((*str == 'e') || (*str == 'E')) { + zpl_u32 exp; + + str++; + if (*str == '-') { + frac = 1; + str++; + } else if (*str == '+') { + str++; + } + + for (exp = 0; zpl_char_is_digit(*str); str++) { exp = exp * 10 + (*str - '0'); } + if (exp > 308) exp = 308; + + while (exp >= 50) { + scale *= 1e50; + exp -= 50; + } + while (exp >= 8) { + scale *= 1e8; + exp -= 8; + } + while (exp > 0) { + scale *= 10.0; + exp -= 1; + } + } + + result = sign * (frac ? (value / scale) : (value * scale)); + + if (end_ptr) *end_ptr = cast(char *) str; + + return result; + } + + + + //////////////////////////////////////////////////////////////// + // + // Windows UTF-8 Handling + // + // + + zpl_u16 *zpl_utf8_to_ucs2(zpl_u16 *buffer, zpl_isize len, zpl_u8 const *str) { + zpl_rune c; + zpl_isize i = 0; + len--; + while (*str) { + if (i >= len) return NULL; + if (!(*str & 0x80)) { + buffer[i++] = *str++; + } else if ((*str & 0xe0) == 0xc0) { + if (*str < 0xc2) return NULL; + c = (*str++ & 0x1f) << 6; + if ((*str & 0xc0) != 0x80) return NULL; + buffer[i++] = cast(zpl_u16)(c + (*str++ & 0x3f)); + } else if ((*str & 0xf0) == 0xe0) { + if (*str == 0xe0 && (str[1] < 0xa0 || str[1] > 0xbf)) return NULL; + if (*str == 0xed && str[1] > 0x9f) // str[1] < 0x80 is checked below + return NULL; + c = (*str++ & 0x0f) << 12; + if ((*str & 0xc0) != 0x80) return NULL; + c += (*str++ & 0x3f) << 6; + if ((*str & 0xc0) != 0x80) return NULL; + buffer[i++] = cast(zpl_u16)(c + (*str++ & 0x3f)); + } else if ((*str & 0xf8) == 0xf0) { + if (*str > 0xf4) return NULL; + if (*str == 0xf0 && (str[1] < 0x90 || str[1] > 0xbf)) return NULL; + if (*str == 0xf4 && str[1] > 0x8f) // str[1] < 0x80 is checked below + return NULL; + c = (*str++ & 0x07) << 18; + if ((*str & 0xc0) != 0x80) return NULL; + c += (*str++ & 0x3f) << 12; + if ((*str & 0xc0) != 0x80) return NULL; + c += (*str++ & 0x3f) << 6; + if ((*str & 0xc0) != 0x80) return NULL; + c += (*str++ & 0x3f); + // UTF-8 encodings of values used in surrogate pairs are invalid + if ((c & 0xfffff800) == 0xd800) return NULL; + if (c >= 0x10000) { + c -= 0x10000; + if (i + 2 > len) return NULL; + buffer[i++] = 0xd800 | (0x3ff & (c >> 10)); + buffer[i++] = 0xdc00 | (0x3ff & (c)); + } + } else { + return NULL; + } + } + buffer[i] = 0; + return buffer; + } + + zpl_u8 *zpl_ucs2_to_utf8(zpl_u8 *buffer, zpl_isize len, zpl_u16 const *str) { + zpl_isize i = 0; + len--; + while (*str) { + if (*str < 0x80) { + if (i + 1 > len) return NULL; + buffer[i++] = (char)*str++; + } else if (*str < 0x800) { + if (i + 2 > len) return NULL; + buffer[i++] = cast(char)(0xc0 + (*str >> 6)); + buffer[i++] = cast(char)(0x80 + (*str & 0x3f)); + str += 1; + } else if (*str >= 0xd800 && *str < 0xdc00) { + zpl_rune c; + if (i + 4 > len) return NULL; + c = ((str[0] - 0xd800) << 10) + ((str[1]) - 0xdc00) + 0x10000; + buffer[i++] = cast(char)(0xf0 + (c >> 18)); + buffer[i++] = cast(char)(0x80 + ((c >> 12) & 0x3f)); + buffer[i++] = cast(char)(0x80 + ((c >> 6) & 0x3f)); + buffer[i++] = cast(char)(0x80 + ((c)&0x3f)); + str += 2; + } else if (*str >= 0xdc00 && *str < 0xe000) { + return NULL; + } else { + if (i + 3 > len) return NULL; + buffer[i++] = 0xe0 + (*str >> 12); + buffer[i++] = 0x80 + ((*str >> 6) & 0x3f); + buffer[i++] = 0x80 + ((*str) & 0x3f); + str += 1; + } + } + buffer[i] = 0; + return buffer; + } + + zpl_u16 *zpl_utf8_to_ucs2_buf(zpl_u8 const *str) { // NOTE: Uses locally persisting buffer + zpl_local_persist zpl_u16 buf[4096]; + return zpl_utf8_to_ucs2(buf, zpl_count_of(buf), str); + } + + zpl_u8 *zpl_ucs2_to_utf8_buf(zpl_u16 const *str) { // NOTE: Uses locally persisting buffer + zpl_local_persist zpl_u8 buf[4096]; + return zpl_ucs2_to_utf8(buf, zpl_count_of(buf), str); + } + + zpl_global zpl_u8 const zpl__utf8_first[256] = { + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x00-0x0F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x10-0x1F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x20-0x2F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x30-0x3F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x40-0x4F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x50-0x5F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x60-0x6F + 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, // 0x70-0x7F + 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, // 0x80-0x8F + 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, // 0x90-0x9F + 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, // 0xA0-0xAF + 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, // 0xB0-0xBF + 0xf1, 0xf1, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, // 0xC0-0xCF + 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, // 0xD0-0xDF + 0x13, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x23, 0x03, 0x03, // 0xE0-0xEF + 0x34, 0x04, 0x04, 0x04, 0x44, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, 0xf1, // 0xF0-0xFF + }; + + + typedef struct zpl_utf8_accept_range { + zpl_u8 lo, hi; + } zpl_utf8_accept_range; + + zpl_global zpl_utf8_accept_range const zpl__utf8_accept_ranges[] = { + { 0x80, 0xbf }, { 0xa0, 0xbf }, { 0x80, 0x9f }, { 0x90, 0xbf }, { 0x80, 0x8f }, + }; + + zpl_isize zpl_utf8_decode(zpl_u8 const *str, zpl_isize str_len, zpl_rune *codepoint_out) { + + zpl_isize width = 0; + zpl_rune codepoint = ZPL_RUNE_INVALID; + + if (str_len > 0) { + zpl_u8 s0 = str[0]; + zpl_u8 x = zpl__utf8_first[s0], sz; + zpl_u8 b1, b2, b3; + zpl_utf8_accept_range accept; + if (x >= 0xf0) { + zpl_rune mask = (cast(zpl_rune) x << 31) >> 31; + codepoint = (cast(zpl_rune) s0 & (~mask)) | (ZPL_RUNE_INVALID & mask); + width = 1; + goto end; + } + if (s0 < 0x80) { + codepoint = s0; + width = 1; + goto end; + } + + sz = x & 7; + accept = zpl__utf8_accept_ranges[x >> 4]; + if (str_len < zpl_size_of(sz)) goto invalid_codepoint; + + b1 = str[1]; + if (b1 < accept.lo || accept.hi < b1) goto invalid_codepoint; + + if (sz == 2) { + codepoint = (cast(zpl_rune) s0 & 0x1f) << 6 | (cast(zpl_rune) b1 & 0x3f); + width = 2; + goto end; + } + + b2 = str[2]; + if (!zpl_is_between(b2, 0x80, 0xbf)) goto invalid_codepoint; + + if (sz == 3) { + codepoint = (cast(zpl_rune) s0 & 0x1f) << 12 | (cast(zpl_rune) b1 & 0x3f) << 6 | (cast(zpl_rune) b2 & 0x3f); + width = 3; + goto end; + } + + b3 = str[3]; + if (!zpl_is_between(b3, 0x80, 0xbf)) goto invalid_codepoint; + + codepoint = (cast(zpl_rune) s0 & 0x07) << 18 | (cast(zpl_rune) b1 & 0x3f) << 12 | (cast(zpl_rune) b2 & 0x3f) << 6 | + (cast(zpl_rune) b3 & 0x3f); + width = 4; + goto end; + + invalid_codepoint: + codepoint = ZPL_RUNE_INVALID; + width = 1; + } + + end: + if (codepoint_out) *codepoint_out = codepoint; + return width; + } + + zpl_isize zpl_utf8_codepoint_size(zpl_u8 const *str, zpl_isize str_len) { + zpl_isize i = 0; + for (; i < str_len && str[i]; i++) { + if ((str[i] & 0xc0) != 0x80) break; + } + return i + 1; + } + + zpl_isize zpl_utf8_encode_rune(zpl_u8 buf[4], zpl_rune r) { + zpl_u32 i = cast(zpl_u32) r; + zpl_u8 mask = 0x3f; + if (i <= (1 << 7) - 1) { + buf[0] = cast(zpl_u8) r; + return 1; + } + if (i <= (1 << 11) - 1) { + buf[0] = 0xc0 | cast(zpl_u8)(r >> 6); + buf[1] = 0x80 | (cast(zpl_u8)(r) & mask); + return 2; + } + + // Invalid or Surrogate range + if (i > ZPL_RUNE_MAX || zpl_is_between(i, 0xd800, 0xdfff)) { + r = ZPL_RUNE_INVALID; + + buf[0] = 0xe0 | cast(zpl_u8)(r >> 12); + buf[1] = 0x80 | (cast(zpl_u8)(r >> 6) & mask); + buf[2] = 0x80 | (cast(zpl_u8)(r) & mask); + return 3; + } + + if (i <= (1 << 16) - 1) { + buf[0] = 0xe0 | cast(zpl_u8)(r >> 12); + buf[1] = 0x80 | (cast(zpl_u8)(r >> 6) & mask); + buf[2] = 0x80 | (cast(zpl_u8)(r) & mask); + return 3; + } + + buf[0] = 0xf0 | cast(zpl_u8)(r >> 18); + buf[1] = 0x80 | (cast(zpl_u8)(r >> 12) & mask); + buf[2] = 0x80 | (cast(zpl_u8)(r >> 6) & mask); + buf[3] = 0x80 | (cast(zpl_u8)(r) & mask); + return 4; + } + + ZPL_END_C_DECLS + // file: source/core/stringlib.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_string zpl_string_make_reserve(zpl_allocator a, zpl_isize capacity) { + zpl_isize header_size = zpl_size_of(zpl_string_header); + void *ptr = zpl_alloc(a, header_size + capacity + 1); + + zpl_string str; + zpl_string_header *header; + + if (ptr == NULL) return NULL; + zpl_zero_size(ptr, header_size + capacity + 1); + + str = cast(char *) ptr + header_size; + header = ZPL_STRING_HEADER(str); + header->allocator = a; + header->length = 0; + header->capacity = capacity; + str[capacity] = '\0'; + + return str; + } + + + zpl_string zpl_string_make_length(zpl_allocator a, void const *init_str, zpl_isize num_bytes) { + zpl_isize header_size = zpl_size_of(zpl_string_header); + void *ptr = zpl_alloc(a, header_size + num_bytes + 1); + + zpl_string str; + zpl_string_header *header; + + if (ptr == NULL) return NULL; + if (!init_str) zpl_zero_size(ptr, header_size + num_bytes + 1); + + str = cast(char *) ptr + header_size; + header = ZPL_STRING_HEADER(str); + header->allocator = a; + header->length = num_bytes; + header->capacity = num_bytes; + if (num_bytes && init_str) zpl_memcopy(str, init_str, num_bytes); + str[num_bytes] = '\0'; + + return str; + } + + zpl_string zpl_string_sprintf_buf(zpl_allocator a, const char *fmt, ...) { + zpl_local_persist char buf[4096] = { 0 }; + va_list va; + va_start(va, fmt); + zpl_snprintf_va(buf, 4096, fmt, va); + va_end(va); + + return zpl_string_make(a, buf); + } + + zpl_string zpl_string_sprintf(zpl_allocator a, char *buf, zpl_isize num_bytes, const char *fmt, ...) { + va_list va; + va_start(va, fmt); + zpl_snprintf_va(buf, num_bytes, fmt, va); + va_end(va); + + return zpl_string_make(a, buf); + } + + zpl_string zpl_string_append_length(zpl_string str, void const *other, zpl_isize other_len) { + if (other_len > 0) { + zpl_isize curr_len = zpl_string_length(str); + + str = zpl_string_make_space_for(str, other_len); + if (str == NULL) return NULL; + + zpl_memcopy(str + curr_len, other, other_len); + str[curr_len + other_len] = '\0'; + zpl__set_string_length(str, curr_len + other_len); + } + return str; + } + + ZPL_ALWAYS_INLINE zpl_string zpl_string_appendc(zpl_string str, const char *other) { + return zpl_string_append_length(str, other, zpl_strlen(other)); + } + + ZPL_ALWAYS_INLINE zpl_string zpl_string_join(zpl_allocator a, const char **parts, zpl_isize count, const char *glue) { + zpl_string ret; + zpl_isize i; + + ret = zpl_string_make(a, NULL); + + for (i=0; i= add_len) { + return str; + } else { + zpl_isize new_len, old_size, new_size; + void *ptr, *new_ptr; + zpl_allocator a = ZPL_STRING_HEADER(str)->allocator; + zpl_string_header *header; + + new_len = zpl_string_length(str) + add_len; + ptr = ZPL_STRING_HEADER(str); + old_size = zpl_size_of(zpl_string_header) + zpl_string_length(str) + 1; + new_size = zpl_size_of(zpl_string_header) + new_len + 1; + + new_ptr = zpl_resize(a, ptr, old_size, new_size); + if (new_ptr == NULL) return NULL; + + header = cast(zpl_string_header *) new_ptr; + header->allocator = a; + + str = cast(zpl_string)(header + 1); + zpl__set_string_capacity(str, new_len); + + return str; + } + } + + zpl_isize zpl_string_allocation_size(zpl_string const str) { + zpl_isize cap = zpl_string_capacity(str); + return zpl_size_of(zpl_string_header) + cap; + } + + zpl_b32 zpl_string_are_equal(zpl_string const lhs, zpl_string const rhs) { + zpl_isize lhs_len, rhs_len, i; + lhs_len = zpl_string_length(lhs); + rhs_len = zpl_string_length(rhs); + if (lhs_len != rhs_len) return false; + + for (i = 0; i < lhs_len; i++) { + if (lhs[i] != rhs[i]) return false; + } + + return true; + } + + zpl_string zpl_string_trim(zpl_string str, const char *cut_set) { + char *start, *end, *start_pos, *end_pos; + zpl_isize len; + + start_pos = start = str; + end_pos = end = str + zpl_string_length(str) - 1; + + while (start_pos <= end && zpl_char_first_occurence(cut_set, *start_pos)) start_pos++; + while (end_pos > start_pos && zpl_char_first_occurence(cut_set, *end_pos)) end_pos--; + + len = cast(zpl_isize)((start_pos > end_pos) ? 0 : ((end_pos - start_pos) + 1)); + + if (str != start_pos) zpl_memmove(str, start_pos, len); + str[len] = '\0'; + + zpl__set_string_length(str, len); + + return str; + } + + zpl_string zpl_string_append_rune(zpl_string str, zpl_rune r) { + if (r >= 0) { + zpl_u8 buf[8] = { 0 }; + zpl_isize len = zpl_utf8_encode_rune(buf, r); + return zpl_string_append_length(str, buf, len); + } + + return str; + } + + zpl_string zpl_string_append_fmt(zpl_string str, const char *fmt, ...) { + zpl_isize res; + char buf[4096] = { 0 }; + va_list va; + va_start(va, fmt); + res = zpl_snprintf_va(buf, zpl_count_of(buf) - 1, fmt, va) - 1; + va_end(va); + return zpl_string_append_length(str, buf, res); + } + + ZPL_END_C_DECLS + // file: source/core/file.c + + #ifdef ZPL_EDITOR + #include + #endif + + //////////////////////////////////////////////////////////////// + // + // File Handling + // + // + #include + + #ifdef ZPL_SYSTEM_MACOS + #include + #endif + + #ifdef ZPL_SYSTEM_CYGWIN + # include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) && !defined(ZPL_COMPILER_GCC) + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_SYSTEM_WINDOWS) || defined (ZPL_SYSTEM_CYGWIN) + + zpl_internal wchar_t *zpl__alloc_utf8_to_ucs2(zpl_allocator a, char const *text, zpl_isize *w_len_) { + wchar_t *w_text = NULL; + zpl_isize len = 0, w_len = 0, w_len1 = 0; + if (text == NULL) { + if (w_len_) *w_len_ = w_len; + return NULL; + } + len = zpl_strlen(text); + if (len == 0) { + if (w_len_) *w_len_ = w_len; + return NULL; + } + w_len = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, cast(int) len, NULL, 0); + if (w_len == 0) { + if (w_len_) *w_len_ = w_len; + return NULL; + } + w_text = zpl_alloc_array(a, wchar_t, w_len + 1); + w_len1 = MultiByteToWideChar(CP_UTF8, MB_ERR_INVALID_CHARS, text, cast(int) len, w_text, cast(int) w_len); + if (w_len1 == 0) { + zpl_free(a, w_text); + if (w_len_) *w_len_ = 0; + return NULL; + } + w_text[w_len] = 0; + if (w_len_) *w_len_ = w_len; + return w_text; + } + + zpl_internal ZPL_FILE_SEEK_PROC(zpl__win32_file_seek) { + LARGE_INTEGER li_offset; + li_offset.QuadPart = offset; + if (!SetFilePointerEx(fd.p, li_offset, &li_offset, whence)) { return false; } + + if (new_offset) *new_offset = li_offset.QuadPart; + return true; + } + + zpl_internal ZPL_FILE_READ_AT_PROC(zpl__win32_file_read) { + zpl_unused(stop_at_newline); + zpl_b32 result = false; + zpl__win32_file_seek(fd, offset, ZPL_SEEK_WHENCE_BEGIN, NULL); + DWORD size_ = cast(DWORD)(size > ZPL_I32_MAX ? ZPL_I32_MAX : size); + DWORD bytes_read_; + if (ReadFile(fd.p, buffer, size_, &bytes_read_, NULL)) { + if (bytes_read) *bytes_read = bytes_read_; + result = true; + } + + return result; + } + + zpl_internal ZPL_FILE_WRITE_AT_PROC(zpl__win32_file_write) { + DWORD size_ = cast(DWORD)(size > ZPL_I32_MAX ? ZPL_I32_MAX : size); + DWORD bytes_written_; + zpl__win32_file_seek(fd, offset, ZPL_SEEK_WHENCE_BEGIN, NULL); + if (WriteFile(fd.p, buffer, size_, &bytes_written_, NULL)) { + if (bytes_written) *bytes_written = bytes_written_; + return true; + } + return false; + } + + zpl_internal ZPL_FILE_CLOSE_PROC(zpl__win32_file_close) { CloseHandle(fd.p); } + + zpl_file_operations const zpl_default_file_operations = { zpl__win32_file_read, zpl__win32_file_write, + zpl__win32_file_seek, zpl__win32_file_close }; + + ZPL_NEVER_INLINE ZPL_FILE_OPEN_PROC(zpl__win32_file_open) { + DWORD desired_access; + DWORD creation_disposition; + void *handle; + wchar_t *w_text; + + switch (mode & ZPL_FILE_MODES) { + case ZPL_FILE_MODE_READ: + desired_access = GENERIC_READ; + creation_disposition = OPEN_EXISTING; + break; + case ZPL_FILE_MODE_WRITE: + desired_access = GENERIC_WRITE; + creation_disposition = CREATE_ALWAYS; + break; + case ZPL_FILE_MODE_APPEND: + desired_access = GENERIC_WRITE; + creation_disposition = OPEN_ALWAYS; + break; + case ZPL_FILE_MODE_READ | ZPL_FILE_MODE_RW: + desired_access = GENERIC_READ | GENERIC_WRITE; + creation_disposition = OPEN_EXISTING; + break; + case ZPL_FILE_MODE_WRITE | ZPL_FILE_MODE_RW: + desired_access = GENERIC_READ | GENERIC_WRITE; + creation_disposition = CREATE_ALWAYS; + break; + case ZPL_FILE_MODE_APPEND | ZPL_FILE_MODE_RW: + desired_access = GENERIC_READ | GENERIC_WRITE; + creation_disposition = OPEN_ALWAYS; + break; + default: ZPL_PANIC("Invalid file mode"); return ZPL_FILE_ERROR_INVALID; + } + + w_text = zpl__alloc_utf8_to_ucs2(zpl_heap_allocator( ), filename, NULL); + handle = CreateFileW(w_text, desired_access, FILE_SHARE_READ | FILE_SHARE_DELETE, NULL, creation_disposition, + FILE_ATTRIBUTE_NORMAL, NULL); + + zpl_free(zpl_heap_allocator( ), w_text); + + if (handle == INVALID_HANDLE_VALUE) { + DWORD err = GetLastError( ); + switch (err) { + case ERROR_FILE_NOT_FOUND: return ZPL_FILE_ERROR_NOT_EXISTS; + case ERROR_FILE_EXISTS: return ZPL_FILE_ERROR_EXISTS; + case ERROR_ALREADY_EXISTS: return ZPL_FILE_ERROR_EXISTS; + case ERROR_ACCESS_DENIED: return ZPL_FILE_ERROR_PERMISSION; + } + return ZPL_FILE_ERROR_INVALID; + } + + if (mode & ZPL_FILE_MODE_APPEND) { + LARGE_INTEGER offset = { 0 }; + if (!SetFilePointerEx(handle, offset, NULL, ZPL_SEEK_WHENCE_END)) { + CloseHandle(handle); + return ZPL_FILE_ERROR_INVALID; + } + } + + fd->p = handle; + *ops = zpl_default_file_operations; + return ZPL_FILE_ERROR_NONE; + } + + #else // POSIX + #include + + zpl_internal ZPL_FILE_SEEK_PROC(zpl__posix_file_seek) { + #if defined(ZPL_SYSTEM_OSX) + zpl_i64 res = lseek(fd.i, offset, whence); + #else // TODO(ZaKlaus): @fixme lseek64 + zpl_i64 res = lseek(fd.i, offset, whence); + #endif + if (res < 0) return false; + if (new_offset) *new_offset = res; + return true; + } + + zpl_internal ZPL_FILE_READ_AT_PROC(zpl__posix_file_read) { + zpl_unused(stop_at_newline); + zpl_isize res = pread(fd.i, buffer, size, offset); + if (res < 0) return false; + if (bytes_read) *bytes_read = res; + return true; + } + + zpl_internal ZPL_FILE_WRITE_AT_PROC(zpl__posix_file_write) { + zpl_isize res; + zpl_i64 curr_offset = 0; + zpl__posix_file_seek(fd, 0, ZPL_SEEK_WHENCE_CURRENT, &curr_offset); + if (curr_offset == offset) { + // NOTE: Writing to stdout et al. doesn't like pwrite for numerous reasons + res = write(cast(int) fd.i, buffer, size); + } else { + res = pwrite(cast(int) fd.i, buffer, size, offset); + } + if (res < 0) return false; + if (bytes_written) *bytes_written = res; + return true; + } + + zpl_internal ZPL_FILE_CLOSE_PROC(zpl__posix_file_close) { close(fd.i); } + + zpl_file_operations const zpl_default_file_operations = { zpl__posix_file_read, zpl__posix_file_write, + zpl__posix_file_seek, zpl__posix_file_close }; + + ZPL_NEVER_INLINE ZPL_FILE_OPEN_PROC(zpl__posix_file_open) { + zpl_i32 os_mode; + switch (mode & ZPL_FILE_MODES) { + case ZPL_FILE_MODE_READ: os_mode = O_RDONLY; break; + case ZPL_FILE_MODE_WRITE: os_mode = O_WRONLY | O_CREAT | O_TRUNC; break; + case ZPL_FILE_MODE_APPEND: os_mode = O_WRONLY | O_APPEND | O_CREAT; break; + case ZPL_FILE_MODE_READ | ZPL_FILE_MODE_RW: os_mode = O_RDWR; break; + case ZPL_FILE_MODE_WRITE | ZPL_FILE_MODE_RW: os_mode = O_RDWR | O_CREAT | O_TRUNC; break; + case ZPL_FILE_MODE_APPEND | ZPL_FILE_MODE_RW: os_mode = O_RDWR | O_APPEND | O_CREAT; break; + default: ZPL_PANIC("Invalid file mode"); return ZPL_FILE_ERROR_INVALID; + } + + fd->i = open(filename, os_mode, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH); + if (fd->i < 0) { + // TODO: More file errors + return ZPL_FILE_ERROR_INVALID; + } + + *ops = zpl_default_file_operations; + return ZPL_FILE_ERROR_NONE; + } + + #endif + + zpl_file_error zpl_file_new(zpl_file *f, zpl_file_descriptor fd, zpl_file_operations ops, char const *filename) { + zpl_file_error err = ZPL_FILE_ERROR_NONE; + zpl_isize len = zpl_strlen(filename); + + f->ops = ops; + f->fd = fd; + f->dir = NULL; + f->last_write_time = 0; + f->filename = zpl_alloc_array(zpl_heap_allocator( ), char, len + 1); + zpl_memcopy(cast(char *) f->filename, cast(char *) filename, len + 1); + + return err; + } + + zpl_file_error zpl_file_open_mode(zpl_file *f, zpl_file_mode mode, char const *filename) { + zpl_file file_ = {0}; + *f = file_; + zpl_file_error err; + #if defined(ZPL_SYSTEM_WINDOWS) || defined(ZPL_SYSTEM_CYGWIN) + err = zpl__win32_file_open(&f->fd, &f->ops, mode, filename); + #else + err = zpl__posix_file_open(&f->fd, &f->ops, mode, filename); + #endif + if (err == ZPL_FILE_ERROR_NONE) return zpl_file_new(f, f->fd, f->ops, filename); + return err; + } + + zpl_internal void zpl__dirinfo_free_entry(zpl_dir_entry *entry); + + zpl_file_error zpl_file_close(zpl_file *f) { + if (!f) return ZPL_FILE_ERROR_INVALID; + + if (f->filename) zpl_free(zpl_heap_allocator( ), cast(char *) f->filename); + + #if defined(ZPL_SYSTEM_WINDOWS) + if (f->fd.p == INVALID_HANDLE_VALUE) return ZPL_FILE_ERROR_INVALID; + #else + if (f->fd.i < 0) return ZPL_FILE_ERROR_INVALID; + #endif + + if (f->is_temp) + { + f->ops.close(f->fd); + return ZPL_FILE_ERROR_NONE; + } + + if (!f->ops.read_at) f->ops = zpl_default_file_operations; + f->ops.close(f->fd); + + if (f->dir) { + zpl__dirinfo_free_entry(f->dir); + zpl_mfree(f->dir); + f->dir = NULL; + } + + return ZPL_FILE_ERROR_NONE; + } + + + zpl_file_error zpl_file_create(zpl_file *f, char const *filename) { + return zpl_file_open_mode(f, ZPL_FILE_MODE_WRITE | ZPL_FILE_MODE_RW, filename); + } + + zpl_file_error zpl_file_open(zpl_file *f, char const *filename) { + return zpl_file_open_mode(f, ZPL_FILE_MODE_READ, filename); + } + + char const *zpl_file_name(zpl_file *f) { return f->filename ? f->filename : ""; } + + zpl_b32 zpl_file_has_changed(zpl_file *f) { + if (f->is_temp) + return false; + zpl_b32 result = false; + zpl_file_time last_write_time = zpl_fs_last_write_time(f->filename); + if (f->last_write_time != last_write_time) { + result = true; + f->last_write_time = last_write_time; + } + return result; + } + + // TODO: Is this a bad idea? + zpl_global zpl_b32 zpl__std_file_set = false; + zpl_global zpl_file zpl__std_files[ZPL_FILE_STANDARD_COUNT] = { { 0 } }; + + #if defined(ZPL_SYSTEM_WINDOWS) || defined(ZPL_SYSTEM_CYGWIN) + + zpl_file *zpl_file_get_standard(zpl_file_standard_type std) { + if (!zpl__std_file_set) { + #define ZPL__SET_STD_FILE(type, v) \ + zpl__std_files[type].fd.p = v; \ + zpl__std_files[type].ops = zpl_default_file_operations + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_INPUT, GetStdHandle(STD_INPUT_HANDLE)); + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_OUTPUT, GetStdHandle(STD_OUTPUT_HANDLE)); + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_ERROR, GetStdHandle(STD_ERROR_HANDLE)); + #undef ZPL__SET_STD_FILE + zpl__std_file_set = true; + } + return &zpl__std_files[std]; + } + + void zpl_file_connect_handle(zpl_file *file, void *handle) { + ZPL_ASSERT_NOT_NULL(file); + ZPL_ASSERT_NOT_NULL(handle); + + if (file->is_temp) + return; + + zpl_zero_item(file); + + file->fd.p = handle; + file->ops = zpl_default_file_operations; + } + + zpl_file_error zpl_file_truncate(zpl_file *f, zpl_i64 size) { + zpl_file_error err = ZPL_FILE_ERROR_NONE; + zpl_i64 prev_offset = zpl_file_tell(f); + zpl_file_seek(f, size); + if (!SetEndOfFile(f)) err = ZPL_FILE_ERROR_TRUNCATION_FAILURE; + zpl_file_seek(f, prev_offset); + return err; + } + + zpl_b32 zpl_fs_exists(char const *name) { + WIN32_FIND_DATAW data; + wchar_t *w_text; + void *handle; + zpl_b32 found = false; + zpl_allocator a = zpl_heap_allocator( ); + + w_text = zpl__alloc_utf8_to_ucs2(a, name, NULL); + if (w_text == NULL) { return false; } + handle = FindFirstFileW(w_text, &data); + zpl_free(a, w_text); + found = handle != INVALID_HANDLE_VALUE; + if (found) FindClose(handle); + return found; + } + + #else // POSIX + + zpl_file *zpl_file_get_standard(zpl_file_standard_type std) { + if (!zpl__std_file_set) { + #define ZPL__SET_STD_FILE(type, v) \ + zpl__std_files[type].fd.i = v; \ + zpl__std_files[type].ops = zpl_default_file_operations + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_INPUT, 0); + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_OUTPUT, 1); + ZPL__SET_STD_FILE(ZPL_FILE_STANDARD_ERROR, 2); + #undef ZPL__SET_STD_FILE + zpl__std_file_set = true; + } + return &zpl__std_files[std]; + } + + zpl_file_error zpl_file_truncate(zpl_file *f, zpl_i64 size) { + zpl_file_error err = ZPL_FILE_ERROR_NONE; + int i = ftruncate(f->fd.i, size); + if (i != 0) err = ZPL_FILE_ERROR_TRUNCATION_FAILURE; + return err; + } + + zpl_b32 zpl_fs_exists(char const *name) { return access(name, F_OK) != -1; } + + #endif + + zpl_i64 zpl_file_size(zpl_file *f) { + zpl_i64 size = 0; + zpl_i64 prev_offset = zpl_file_tell(f); + zpl_file_seek_to_end(f); + size = zpl_file_tell(f); + zpl_file_seek(f, prev_offset); + return size; + } + + zpl_file_error zpl_file_temp(zpl_file *file) { + zpl_zero_item(file); + FILE *fd = NULL; + + #if defined(ZPL_SYSTEM_WINDOWS) && !defined(ZPL_COMPILER_GCC) + errno_t errcode = tmpfile_s(&fd); + + if (errcode != 0) { + fd = NULL; + } + #else + fd = tmpfile(); + #endif + + if (fd == NULL) { return ZPL_FILE_ERROR_INVALID; } + + #if defined(ZPL_SYSTEM_WINDOWS) && !defined(ZPL_COMPILER_GCC) + file->fd.i = _get_osfhandle(_fileno(fd)); + #else + file->fd.i = fileno(fd); + #endif + file->ops = zpl_default_file_operations; + file->is_temp = true; + return ZPL_FILE_ERROR_NONE; + } + + zpl_file_contents zpl_file_read_contents(zpl_allocator a, zpl_b32 zero_terminate, char const *filepath) { + zpl_file_contents result = { 0 }; + zpl_file file = { 0 }; + + result.allocator = a; + + if (zpl_file_open(&file, filepath) == ZPL_FILE_ERROR_NONE) { + zpl_isize file_size = cast(zpl_isize) zpl_file_size(&file); + if (file_size > 0) { + result.data = zpl_alloc(a, zero_terminate ? file_size + 1 : file_size); + result.size = file_size; + zpl_file_read_at(&file, result.data, result.size, 0); + if (zero_terminate) { + zpl_u8 *str = cast(zpl_u8 *) result.data; + str[file_size] = '\0'; + } + } + zpl_file_close(&file); + } + + return result; + } + + void zpl_file_free_contents(zpl_file_contents *fc) { + ZPL_ASSERT_NOT_NULL(fc->data); + zpl_free(fc->allocator, fc->data); + fc->data = NULL; + fc->size = 0; + } + + zpl_b32 zpl_file_write_contents(char const* filepath, void const* buffer, zpl_isize size, zpl_file_error* err) { + zpl_file f = { 0 }; + zpl_file_error open_err; + zpl_b32 write_ok; + open_err = zpl_file_open_mode(&f, ZPL_FILE_MODE_WRITE, filepath); + + if (open_err != ZPL_FILE_ERROR_NONE) + { + if (err) + *err = open_err; + + return false; + } + + write_ok = zpl_file_write(&f, buffer, size); + zpl_file_close(&f); + return write_ok; + } + + char *zpl_file_read_lines(zpl_allocator alloc, zpl_array(char *)*lines, char const *filename, zpl_b32 strip_whitespace) { + zpl_file f = { 0 }; + zpl_file_open(&f, filename); + zpl_isize fsize = (zpl_isize)zpl_file_size(&f); + + char *contents = (char *)zpl_alloc(alloc, fsize + 1); + zpl_file_read(&f, contents, fsize); + contents[fsize] = 0; + *lines = zpl_str_split_lines(alloc, contents, strip_whitespace); + zpl_file_close(&f); + + return contents; + } + + #if !defined(_WINDOWS_) && defined(ZPL_SYSTEM_WINDOWS) + ZPL_IMPORT DWORD WINAPI GetFullPathNameA(char const *lpFileName, DWORD nBufferLength, char *lpBuffer, char **lpFilePart); + ZPL_IMPORT DWORD WINAPI GetFullPathNameW(wchar_t const *lpFileName, DWORD nBufferLength, wchar_t *lpBuffer, wchar_t **lpFilePart); + #endif + + ZPL_END_C_DECLS + // file: source/core/file_stream.c + + #ifdef ZPL_EDITOR + #include + #endif + + //////////////////////////////////////////////////////////////// + // + // Memory streaming + // + // + + ZPL_BEGIN_C_DECLS + + typedef struct { + zpl_u8 magic; + zpl_u8 *buf; //< zpl_array OR plain buffer if we can't write + zpl_isize cursor; + zpl_allocator alloc; + + zpl_file_stream_flags flags; + zpl_isize cap; + } zpl__memory_fd; + + #define ZPL__FILE_STREAM_FD_MAGIC 37 + + ZPL_ALWAYS_INLINE zpl_file_descriptor zpl__file_stream_fd_make(zpl__memory_fd* d) { + zpl_file_descriptor fd = {0}; + fd.p = (void*)d; + return fd; + } + + ZPL_ALWAYS_INLINE zpl__memory_fd *zpl__file_stream_from_fd(zpl_file_descriptor fd) { + zpl__memory_fd *d = (zpl__memory_fd*)fd.p; + ZPL_ASSERT(d->magic == ZPL__FILE_STREAM_FD_MAGIC); + return d; + } + + void zpl_file_stream_new(zpl_file* file, zpl_allocator allocator) { + ZPL_ASSERT_NOT_NULL(file); + zpl__memory_fd *d = (zpl__memory_fd*)zpl_alloc(allocator, zpl_size_of(zpl__memory_fd)); + zpl_zero_item(file); + d->magic = ZPL__FILE_STREAM_FD_MAGIC; + d->alloc = allocator; + d->flags = ZPL_FILE_STREAM_CLONE_WRITABLE; + d->cap = 0; + zpl_array_init(d->buf, allocator); + file->ops = zpl_memory_file_operations; + file->fd = zpl__file_stream_fd_make(d); + file->dir = NULL; + file->last_write_time = 0; + file->filename = NULL; + file->is_temp = true; + } + void zpl_file_stream_open(zpl_file* file, zpl_allocator allocator, zpl_u8 *buffer, zpl_isize size, zpl_file_stream_flags flags) { + ZPL_ASSERT_NOT_NULL(file); + zpl__memory_fd *d = (zpl__memory_fd*)zpl_alloc(allocator, zpl_size_of(zpl__memory_fd)); + zpl_zero_item(file); + d->magic = ZPL__FILE_STREAM_FD_MAGIC; + d->alloc = allocator; + d->flags = flags; + if (d->flags & ZPL_FILE_STREAM_CLONE_WRITABLE) { + zpl_array_init_reserve(d->buf, allocator, size); + zpl_memcopy(d->buf, buffer, size); + d->cap = zpl_array_count(d->buf) = size; + } else { + d->buf = buffer; + d->cap = size; + } + file->ops = zpl_memory_file_operations; + file->fd = zpl__file_stream_fd_make(d); + file->dir = NULL; + file->last_write_time = 0; + file->filename = NULL; + file->is_temp = true; + } + + zpl_u8 *zpl_file_stream_buf(zpl_file* file, zpl_isize *size) { + ZPL_ASSERT_NOT_NULL(file); + zpl__memory_fd *d = zpl__file_stream_from_fd(file->fd); + if (size) *size = d->cap; + return d->buf; + } + + zpl_internal ZPL_FILE_SEEK_PROC(zpl__memory_file_seek) { + zpl__memory_fd *d = zpl__file_stream_from_fd(fd); + zpl_isize buflen = d->cap; + + if (whence == ZPL_SEEK_WHENCE_BEGIN) + d->cursor = 0; + else if (whence == ZPL_SEEK_WHENCE_END) + d->cursor = buflen; + + d->cursor = zpl_max(0, zpl_clamp(d->cursor + offset, 0, buflen)); + if (new_offset) *new_offset = d->cursor; + return true; + } + + zpl_internal ZPL_FILE_READ_AT_PROC(zpl__memory_file_read) { + zpl_unused(stop_at_newline); + zpl__memory_fd *d = zpl__file_stream_from_fd(fd); + zpl_memcopy(buffer, d->buf + offset, size); + if (bytes_read) *bytes_read = size; + return true; + } + + zpl_internal ZPL_FILE_WRITE_AT_PROC(zpl__memory_file_write) { + zpl__memory_fd *d = zpl__file_stream_from_fd(fd); + if (!(d->flags & (ZPL_FILE_STREAM_CLONE_WRITABLE|ZPL_FILE_STREAM_WRITABLE))) + return false; + zpl_isize buflen = d->cap; + zpl_isize extralen = zpl_max(0, size-(buflen-offset)); + zpl_isize rwlen = size-extralen; + zpl_isize new_cap = buflen+extralen; + if (d->flags & ZPL_FILE_STREAM_CLONE_WRITABLE) { + if(zpl_array_capacity(d->buf) < new_cap) { + zpl_array_grow(d->buf, (zpl_i64)(new_cap)); + } + } + zpl_memcopy(d->buf + offset, buffer, rwlen); + + if ((d->flags & ZPL_FILE_STREAM_CLONE_WRITABLE) && extralen > 0) { + zpl_memcopy(d->buf + offset + rwlen, zpl_ptr_add_const(buffer, rwlen), extralen); + d->cap = zpl_array_count(d->buf) = new_cap; + } else { + extralen = 0; + } + + if (bytes_written) *bytes_written = (rwlen+extralen); + return true; + } + + zpl_internal ZPL_FILE_CLOSE_PROC(zpl__memory_file_close) { + zpl__memory_fd *d = zpl__file_stream_from_fd(fd); + zpl_allocator alloc = d->alloc; + if (d->flags & ZPL_FILE_STREAM_CLONE_WRITABLE) + zpl_array_free(d->buf); + zpl_free(alloc, d); + } + + zpl_file_operations const zpl_memory_file_operations = { zpl__memory_file_read, zpl__memory_file_write, + zpl__memory_file_seek, zpl__memory_file_close }; + + ZPL_END_C_DECLS + // file: source/core/file_misc.c + + #ifdef ZPL_EDITOR + #include + #endif + + #if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_MACOS) + #include + #endif + + #if defined(ZPL_SYSTEM_UNIX) && !defined(ZPL_SYSTEM_FREEBSD) && !defined(ZPL_SYSTEM_OPENBSD) && !defined(ZPL_SYSTEM_CYGWIN) + #include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) + # include + # include + #endif + + #if defined(ZPL_SYSTEM_CYGWIN) + # include + # include + # include + #endif + + ZPL_BEGIN_C_DECLS + + + #if defined(ZPL_SYSTEM_WINDOWS) || defined(ZPL_SYSTEM_CYGWIN) + zpl_file_time zpl_fs_last_write_time(char const *filepath) { + ULARGE_INTEGER li = { 0 }; + FILETIME last_write_time = { 0 }; + WIN32_FILE_ATTRIBUTE_DATA data = { 0 }; + zpl_allocator a = zpl_heap_allocator( ); + + wchar_t *w_text = zpl__alloc_utf8_to_ucs2(a, filepath, NULL); + if (w_text == NULL) { return 0; } + if (GetFileAttributesExW(w_text, GetFileExInfoStandard, &data)) last_write_time = data.ftLastWriteTime; + + zpl_free(a, w_text); + + li.LowPart = last_write_time.dwLowDateTime; + li.HighPart = last_write_time.dwHighDateTime; + return cast(zpl_file_time) li.QuadPart; + } + + zpl_b32 zpl_fs_copy(char const *existing_filename, char const *new_filename, zpl_b32 fail_if_exists) { + zpl_b32 result = false; + zpl_allocator a = zpl_heap_allocator( ); + + wchar_t *w_old = zpl__alloc_utf8_to_ucs2(a, existing_filename, NULL); + if (w_old == NULL) { return false; } + + wchar_t *w_new = zpl__alloc_utf8_to_ucs2(a, new_filename, NULL); + if (w_new != NULL) { result = CopyFileW(w_old, w_new, fail_if_exists); } + + zpl_free(a, w_old); + zpl_free(a, w_new); + return result; + } + + zpl_b32 zpl_fs_move(char const *existing_filename, char const *new_filename) { + zpl_b32 result = false; + zpl_allocator a = zpl_heap_allocator( ); + + wchar_t *w_old = zpl__alloc_utf8_to_ucs2(a, existing_filename, NULL); + if (w_old == NULL) { return false; } + + wchar_t *w_new = zpl__alloc_utf8_to_ucs2(a, new_filename, NULL); + if (w_new != NULL) { result = MoveFileW(w_old, w_new); } + + zpl_free(a, w_old); + zpl_free(a, w_new); + return result; + } + + zpl_b32 zpl_fs_remove(char const *filename) { + zpl_b32 result = false; + zpl_allocator a = zpl_heap_allocator( ); + + wchar_t *w_filename = zpl__alloc_utf8_to_ucs2(a, filename, NULL); + if (w_filename == NULL) { return false; } + + result = DeleteFileW(w_filename); + + zpl_free(a, w_filename); + return result; + } + + #else + + zpl_file_time zpl_fs_last_write_time(char const *filepath) { + time_t result = 0; + struct stat file_stat; + + if (stat(filepath, &file_stat)) result = file_stat.st_mtime; + + return cast(zpl_file_time) result; + } + + #if defined(ZPL_SYSTEM_FREEBSD) + #include + #include + #include + #endif + + + zpl_b32 zpl_fs_copy(char const *existing_filename, char const *new_filename, zpl_b32 fail_if_exists) { + zpl_unused(fail_if_exists); + #if defined(ZPL_SYSTEM_OSX) + return copyfile(existing_filename, new_filename, NULL, COPYFILE_DATA) == 0; + #elif defined(ZPL_SYSTEM_OPENBSD) + ZPL_NOT_IMPLEMENTED; + return 0; + #else + zpl_isize size; + int existing_fd = open(existing_filename, O_RDONLY, 0); + int new_fd = open(new_filename, O_WRONLY | O_CREAT, 0666); + + struct stat stat_existing; + fstat(existing_fd, &stat_existing); + + #if defined(ZPL_SYSTEM_FREEBSD) + size = sendfile(new_fd, existing_fd, 0, stat_existing.st_size, NULL, 0, 0); + #else + size = sendfile(new_fd, existing_fd, 0, stat_existing.st_size); + #endif + + close(new_fd); + close(existing_fd); + + return size == stat_existing.st_size; + #endif + } + + zpl_b32 zpl_fs_move(char const *existing_filename, char const *new_filename) { + if (link(existing_filename, new_filename) == 0) { return (unlink(existing_filename) != -1); } + return false; + } + + zpl_b32 zpl_fs_remove(char const *filename) { + #if defined(ZPL_SYSTEM_OSX) || defined(ZPL_SYSTEM_EMSCRIPTEN) + return (unlink(filename) != -1); + #else + return (remove(filename) == 0); + #endif + } + + #endif + + char *zpl_path_get_full_name(zpl_allocator a, char const *path) { + #if defined(ZPL_SYSTEM_WINDOWS) + wchar_t *w_path = NULL; + wchar_t *w_fullpath = NULL; + zpl_isize w_len = 0; + zpl_isize new_len = 0; + zpl_isize new_len1 = 0; + char *new_path = 0; + + w_path = zpl__alloc_utf8_to_ucs2(zpl_heap_allocator( ), path, NULL); + if (w_path == NULL) { return NULL; } + + w_len = GetFullPathNameW(w_path, 0, NULL, NULL); + if (w_len == 0) { return NULL; } + + w_fullpath = zpl_alloc_array(zpl_heap_allocator( ), wchar_t, w_len + 1); + GetFullPathNameW(w_path, cast(int) w_len, w_fullpath, NULL); + w_fullpath[w_len] = 0; + + zpl_free(zpl_heap_allocator( ), w_path); + + new_len = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, w_fullpath, cast(int) w_len, NULL, 0, NULL, NULL); + + if (new_len == 0) { + zpl_free(zpl_heap_allocator( ), w_fullpath); + return NULL; + } + + new_path = zpl_alloc_array(a, char, new_len); + new_len1 = WideCharToMultiByte(CP_UTF8, WC_ERR_INVALID_CHARS, w_fullpath, cast(int) w_len, new_path, + cast(int) new_len, NULL, NULL); + + if (new_len1 == 0) { + zpl_free(zpl_heap_allocator( ), w_fullpath); + zpl_free(a, new_path); + return NULL; + } + + new_path[new_len] = 0; + return new_path; + #else + char *p, *result, *fullpath = NULL; + zpl_isize len; + p = realpath(path, NULL); + fullpath = p; + if (p == NULL) { + // NOTE(bill): File does not exist + fullpath = cast(char *) path; + } + + len = zpl_strlen(fullpath); + + result = zpl_alloc_array(a, char, len + 1); + zpl_memmove(result, fullpath, len); + result[len] = 0; + zpl_free(a, p); + + return result; + #endif + } + + zpl_file_error zpl_path_mkdir(char const *path, zpl_i32 mode) { + zpl_i32 error = 0; + #if defined(ZPL_SYSTEM_WINDOWS) + error = _wmkdir((const wchar_t *)zpl_utf8_to_ucs2_buf((const zpl_u8 *)path)); + #else + error = mkdir(path, (mode_t)mode); + #endif + + if (error == 0) { return ZPL_FILE_ERROR_NONE; } + + switch (errno) { + case EPERM: + case EACCES: return ZPL_FILE_ERROR_PERMISSION; + case EEXIST: return ZPL_FILE_ERROR_EXISTS; + case ENAMETOOLONG: return ZPL_FILE_ERROR_NAME_TOO_LONG; + } + + return ZPL_FILE_ERROR_UNKNOWN; + } + + zpl_file_error zpl_path_rmdir(char const *path) { + zpl_i32 error = 0; + #if defined(ZPL_SYSTEM_WINDOWS) + error = _wrmdir((const wchar_t *)zpl_utf8_to_ucs2_buf((const zpl_u8 *)path)); + #else + error = rmdir(path); + #endif + + if (error == 0) { return ZPL_FILE_ERROR_NONE; } + + switch (errno) { + case EPERM: + case EACCES: return ZPL_FILE_ERROR_PERMISSION; + case ENOENT: return ZPL_FILE_ERROR_NOT_EXISTS; + case ENOTEMPTY: return ZPL_FILE_ERROR_NOT_EMPTY; + case ENAMETOOLONG: return ZPL_FILE_ERROR_NAME_TOO_LONG; + } + + return ZPL_FILE_ERROR_UNKNOWN; + } + + void zpl__file_direntry(zpl_allocator alloc, char const *dirname, zpl_string *output, zpl_b32 recurse) { + #if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_OSX) + DIR *d, *cd; + struct dirent *dir; + d = opendir(dirname); + + if (d) { + while ((dir = readdir(d))) { + if (!zpl_strncmp(dir->d_name, "..", 2)) continue; + if (dir->d_name[0] == '.' && dir->d_name[1] == 0) continue; + + zpl_string dirpath = zpl_string_make(alloc, dirname); + dirpath = zpl_string_appendc(dirpath, "/"); + dirpath = zpl_string_appendc(dirpath, dir->d_name); + + *output = zpl_string_appendc(*output, dirpath); + *output = zpl_string_appendc(*output, "\n"); + + if (recurse && (cd = opendir(dirpath)) != NULL) { zpl__file_direntry(alloc, dirpath, output, recurse); } + zpl_string_free(dirpath); + } + } + #elif defined(ZPL_SYSTEM_WINDOWS) + zpl_usize length = zpl_strlen(dirname); + struct _wfinddata_t data; + zpl_intptr findhandle; + + char directory[MAX_PATH] = { 0 }; + zpl_strncpy(directory, dirname, length); + + // keeping it native + for (zpl_usize i = 0; i < length; i++) { + if (directory[i] == '/') directory[i] = '\\'; + } + + // remove trailing slashses + if (directory[length - 1] == '\\') { directory[length - 1] = '\0'; } + + // attach search pattern + zpl_string findpath = zpl_string_make(alloc, directory); + findpath = zpl_string_appendc(findpath, "\\"); + findpath = zpl_string_appendc(findpath, "*"); + + findhandle = _wfindfirst((const wchar_t *)zpl_utf8_to_ucs2_buf((const zpl_u8 *)findpath), &data); + zpl_string_free(findpath); + + if (findhandle != -1) { + do { + char *filename = (char *)zpl_ucs2_to_utf8_buf((const zpl_u16 *)data.name); + if (!zpl_strncmp(filename, "..", 2)) continue; + if (filename[0] == '.' && filename[1] == 0) continue; + + zpl_string dirpath = zpl_string_make(alloc, directory); + dirpath = zpl_string_appendc(dirpath, "\\"); + dirpath = zpl_string_appendc(dirpath, filename); + + *output = zpl_string_appendc(*output, dirpath); + *output = zpl_string_appendc(*output, "\n"); + + if (recurse && (data.attrib & _A_SUBDIR)) { zpl__file_direntry(alloc, dirpath, output, recurse); } + + zpl_string_free(dirpath); + } while (_wfindnext(findhandle, &data) != -1); + _findclose(findhandle); + } + #else + // TODO: Implement other OSes + #endif + } + + zpl_string zpl_path_dirlist(zpl_allocator alloc, char const *dirname, zpl_b32 recurse) { + zpl_string buf = zpl_string_make_reserve(alloc, 4); + zpl__file_direntry(alloc, dirname, &buf, recurse); + return buf; + } + + void zpl_dirinfo_init(zpl_dir_info *dir, char const *path) { + ZPL_ASSERT_NOT_NULL(dir); + + zpl_dir_info dir_ = {0}; + *dir = dir_; + dir->fullpath = (char const*)zpl_malloc(zpl_strlen(path)); + zpl_strcpy((char *)dir->fullpath, path); + + + zpl_string dirlist = zpl_path_dirlist(zpl_heap(), path, false); + char **files=zpl_str_split_lines(zpl_heap(), dirlist, false); + dir->filenames = files; + dir->buf = dirlist; + + zpl_array_init(dir->entries, zpl_heap()); + + for (zpl_i32 i=0; ientries, entry); + } + } + + zpl_internal void zpl__dirinfo_free_entry(zpl_dir_entry *entry) { + if (entry->dir_info) { + zpl_dirinfo_free(entry->dir_info); + zpl_mfree(entry->dir_info); + entry->dir_info = NULL; + } + } + + void zpl_dirinfo_free(zpl_dir_info *dir) { + ZPL_ASSERT_NOT_NULL(dir); + + for (zpl_isize i = 0; i < zpl_array_count(dir->entries); ++i) { + zpl__dirinfo_free_entry(dir->entries + i); + } + + zpl_array_free(dir->entries); + zpl_array_free(dir->filenames); + zpl_string_free(dir->buf); + zpl_mfree((void *)dir->fullpath); + } + + + zpl_u8 zpl_fs_get_type(char const *path) { + #ifdef ZPL_SYSTEM_WINDOWS + DWORD attrs = GetFileAttributesW((const wchar_t *)zpl_utf8_to_ucs2_buf((const zpl_u8 *)path)); + + if (attrs == INVALID_FILE_ATTRIBUTES) { + return ZPL_DIR_TYPE_UNKNOWN; + } + + if (attrs & FILE_ATTRIBUTE_DIRECTORY) { + return ZPL_DIR_TYPE_FOLDER; + } + else { + return ZPL_DIR_TYPE_FILE; + } + + #else + struct stat s; + if( stat(path,&s) == 0 ) + { + if( s.st_mode & S_IFDIR ) + { + return ZPL_DIR_TYPE_FOLDER; + } + else + { + return ZPL_DIR_TYPE_FILE; + } + } + #endif + + return ZPL_DIR_TYPE_UNKNOWN; + } + + void zpl_dirinfo_step(zpl_dir_entry *entry) { + if (entry->dir_info) { + zpl__dirinfo_free_entry(entry); + } + + entry->dir_info = (zpl_dir_info *)zpl_malloc(sizeof(zpl_dir_info)); + zpl_dir_info dir_ = {0}; + *entry->dir_info = dir_; + + zpl_local_persist char buf[128] = {0}; + char const *path = entry->filename; + + if (entry->type != ZPL_DIR_TYPE_FOLDER) { + zpl_path_fix_slashes((char *)path); + char const* slash = zpl_char_last_occurence(path, ZPL_PATH_SEPARATOR); + zpl_strncpy(buf, path, slash-path); + path = buf; + } + + zpl_dirinfo_init(entry->dir_info, path); + } + + void zpl_file_dirinfo_refresh(zpl_file *file) { + if (file->is_temp) + return; + + if (file->dir) { + zpl__dirinfo_free_entry(file->dir); + zpl_mfree(file->dir); + file->dir = NULL; + } + + file->dir = (zpl_dir_entry *)zpl_malloc(sizeof(zpl_dir_entry)); + zpl_dir_entry dir_ = {0}; + *file->dir = dir_; + file->dir->filename = file->filename; + file->dir->type = ZPL_DIR_TYPE_FILE; + + zpl_dirinfo_step(file->dir); + } + + void zpl_path_fix_slashes(char *path) { + #ifdef ZPL_SYSTEM_WINDOWS + char *p = path; + + while (*p != '\0') { + if (*p == '/') + *p = '\\'; + + ++p; + } + #endif + } + + ZPL_END_C_DECLS + // file: source/core/print.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_isize zpl_printf_va(char const *fmt, va_list va) { + return zpl_fprintf_va(zpl_file_get_standard(ZPL_FILE_STANDARD_OUTPUT), fmt, va); + } + + zpl_isize zpl_printf_err_va(char const *fmt, va_list va) { + return zpl_fprintf_va(zpl_file_get_standard(ZPL_FILE_STANDARD_ERROR), fmt, va); + } + + zpl_isize zpl_fprintf_va(struct zpl_file *f, char const *fmt, va_list va) { + zpl_local_persist char buf[4096]; + zpl_isize len = zpl_snprintf_va(buf, zpl_size_of(buf), fmt, va); + zpl_file_write(f, buf, len - 1); // NOTE: prevent extra whitespace + return len; + } + + char *zpl_bprintf_va(char const *fmt, va_list va) { + zpl_local_persist char buffer[4096]; + zpl_snprintf_va(buffer, zpl_size_of(buffer), fmt, va); + return buffer; + } + + zpl_isize zpl_printf(char const *fmt, ...) { + zpl_isize res; + va_list va; + va_start(va, fmt); + res = zpl_printf_va(fmt, va); + va_end(va); + return res; + } + + zpl_isize zpl_printf_err(char const *fmt, ...) { + zpl_isize res; + va_list va; + va_start(va, fmt); + res = zpl_printf_err_va(fmt, va); + va_end(va); + return res; + } + + zpl_isize zpl_fprintf(struct zpl_file *f, char const *fmt, ...) { + zpl_isize res; + va_list va; + va_start(va, fmt); + res = zpl_fprintf_va(f, fmt, va); + va_end(va); + return res; + } + + char *zpl_bprintf(char const *fmt, ...) { + va_list va; + char *str; + va_start(va, fmt); + str = zpl_bprintf_va(fmt, va); + va_end(va); + return str; + } + + zpl_isize zpl_snprintf(char *str, zpl_isize n, char const *fmt, ...) { + zpl_isize res; + va_list va; + va_start(va, fmt); + res = zpl_snprintf_va(str, n, fmt, va); + va_end(va); + return res; + } + + + enum { + ZPL_FMT_MINUS = ZPL_BIT(0), + ZPL_FMT_PLUS = ZPL_BIT(1), + ZPL_FMT_ALT = ZPL_BIT(2), + ZPL_FMT_SPACE = ZPL_BIT(3), + ZPL_FMT_ZERO = ZPL_BIT(4), + + ZPL_FMT_CHAR = ZPL_BIT(5), + ZPL_FMT_SHORT = ZPL_BIT(6), + ZPL_FMT_INT = ZPL_BIT(7), + ZPL_FMT_LONG = ZPL_BIT(8), + ZPL_FMT_LLONG = ZPL_BIT(9), + ZPL_FMT_SIZE = ZPL_BIT(10), + ZPL_FMT_INTPTR = ZPL_BIT(11), + + ZPL_FMT_UNSIGNED = ZPL_BIT(12), + ZPL_FMT_LOWER = ZPL_BIT(13), + ZPL_FMT_UPPER = ZPL_BIT(14), + ZPL_FMT_WIDTH = ZPL_BIT(15), + + ZPL_FMT_DONE = ZPL_BIT(30), + + ZPL_FMT_INTS = + ZPL_FMT_CHAR | ZPL_FMT_SHORT | ZPL_FMT_INT | + ZPL_FMT_LONG | ZPL_FMT_LLONG | ZPL_FMT_SIZE | ZPL_FMT_INTPTR + }; + + typedef struct { + zpl_i32 base; + zpl_i32 flags; + zpl_i32 width; + zpl_i32 precision; + } zpl__format_info; + + zpl_internal zpl_isize zpl__print_string(char *text, zpl_isize max_len, zpl__format_info *info, char const *str) { + zpl_isize res = 0, len = 0; + zpl_isize remaining = max_len; + + if (str == NULL && max_len >= 4) { + res += zpl_strlcpy(text, "(null)", 6); + return res; + } + + if (info && info->precision >= 0) + len = zpl_strnlen(str, info->precision); + else + len = zpl_strlen(str); + + if (info && (info->width == 0 && info->flags & ZPL_FMT_WIDTH)) { + return res; + } + + if (info && (info->width == 0 || info->flags & ZPL_FMT_MINUS)) { + if (info->precision > 0) len = info->precision < len ? info->precision : len; + + res += zpl_strlcpy(text, str, len); + + if (info->width > res) { + zpl_isize padding = info->width - len; + char pad = (info->flags & ZPL_FMT_ZERO) ? '0' : ' '; + while (padding-- > 0 && remaining-- > 0) *text++ = pad, res++; + } + } else { + if (info && (info->width > res)) { + zpl_isize padding = info->width - len; + char pad = (info->flags & ZPL_FMT_ZERO) ? '0' : ' '; + while (padding-- > 0 && remaining-- > 0) *text++ = pad, res++; + } + + res += zpl_strlcpy(text, str, len); + } + + if (info) { + if (info->flags & ZPL_FMT_UPPER) + zpl_str_to_upper(text); + else if (info->flags & ZPL_FMT_LOWER) + zpl_str_to_lower(text); + } + + return res; + } + + zpl_internal zpl_isize zpl__print_char(char *text, zpl_isize max_len, zpl__format_info *info, char arg) { + char str[2] = ""; + str[0] = arg; + return zpl__print_string(text, max_len, info, str); + } + + zpl_internal zpl_isize zpl__print_i64(char *text, zpl_isize max_len, zpl__format_info *info, zpl_i64 value) { + char num[130]; + zpl_i64_to_str(value, num, info ? info->base : 10); + return zpl__print_string(text, max_len, info, num); + } + + zpl_internal zpl_isize zpl__print_u64(char *text, zpl_isize max_len, zpl__format_info *info, zpl_u64 value) { + char num[130]; + zpl_u64_to_str(value, num, info ? info->base : 10); + return zpl__print_string(text, max_len, info, num); + } + + zpl_internal zpl_isize zpl__print_f64(char *text, zpl_isize max_len, zpl__format_info *info, zpl_f64 arg) { + // TODO: Handle exponent notation + zpl_isize width, len, remaining = max_len; + char *text_begin = text; + + if (arg) { + zpl_u64 value; + if (arg < 0) { + if (remaining > 1) *text = '-', remaining--; + text++; + arg = -arg; + } else if (info->flags & ZPL_FMT_MINUS) { + if (remaining > 1) *text = '+', remaining--; + text++; + } + + value = cast(zpl_u64) arg; + len = zpl__print_u64(text, remaining, NULL, value); + text += len; + + if (len >= remaining) + remaining = zpl_min(remaining, 1); + else + remaining -= len; + arg -= value; + + if (info->precision < 0) info->precision = 6; + + if ((info->flags & ZPL_FMT_ALT) || info->precision > 0) { + zpl_i64 mult = 10; + if (remaining > 1) *text = '.', remaining--; + text++; + while (info->precision-- > 0) { + value = cast(zpl_u64)(arg * mult); + len = zpl__print_u64(text, remaining, NULL, value); + text += len; + if (len >= remaining) + remaining = zpl_min(remaining, 1); + else + remaining -= len; + arg -= cast(zpl_f64) value / mult; + mult *= 10; + } + } + } else { + if (remaining > 1) *text = '0', remaining--; + text++; + if (info->flags & ZPL_FMT_ALT) { + if (remaining > 1) *text = '.', remaining--; + text++; + } + } + + width = info->width - (text - text_begin); + if (width > 0) { + char fill = (info->flags & ZPL_FMT_ZERO) ? '0' : ' '; + char *end = text + remaining - 1; + len = (text - text_begin); + + for (len = (text - text_begin); len--;) { + if ((text_begin + len + width) < end) *(text_begin + len + width) = *(text_begin + len); + } + + len = width; + text += len; + if (len >= remaining) + remaining = zpl_min(remaining, 1); + else + remaining -= len; + + while (len--) { + if (text_begin + len < end) text_begin[len] = fill; + } + } + + return (text - text_begin); + } + + ZPL_NEVER_INLINE zpl_isize zpl_snprintf_va(char *text, zpl_isize max_len, char const *fmt, va_list va) { + char const *text_begin = text; + zpl_isize remaining = max_len, res; + + while (*fmt) { + zpl__format_info info = { 0 }; + zpl_isize len = 0; + info.precision = -1; + + while (*fmt && *fmt != '%' && remaining) *text++ = *fmt++; + + if (*fmt == '%') { + do { + switch (*++fmt) { + case '-': {info.flags |= ZPL_FMT_MINUS; break;} + case '+': {info.flags |= ZPL_FMT_PLUS; break;} + case '#': {info.flags |= ZPL_FMT_ALT; break;} + case ' ': {info.flags |= ZPL_FMT_SPACE; break;} + case '0': {info.flags |= (ZPL_FMT_ZERO|ZPL_FMT_WIDTH); break;} + default: {info.flags |= ZPL_FMT_DONE; break;} + } + } while (!(info.flags & ZPL_FMT_DONE)); + } + + // NOTE: Optional Width + if (*fmt == '*') { + int width = va_arg(va, int); + if (width < 0) { + info.flags |= ZPL_FMT_MINUS; + info.width = -width; + } else { + info.width = width; + } + info.flags |= ZPL_FMT_WIDTH; + fmt++; + } else { + info.width = cast(zpl_i32) zpl_str_to_i64(fmt, cast(char **) & fmt, 10); + if (info.width != 0) { + info.flags |= ZPL_FMT_WIDTH; + } + } + + // NOTE: Optional Precision + if (*fmt == '.') { + fmt++; + if (*fmt == '*') { + info.precision = va_arg(va, int); + fmt++; + } else { + info.precision = cast(zpl_i32) zpl_str_to_i64(fmt, cast(char **) & fmt, 10); + } + info.flags &= ~ZPL_FMT_ZERO; + } + + switch (*fmt++) { + case 'h': + if (*fmt == 'h') { // hh => char + info.flags |= ZPL_FMT_CHAR; + fmt++; + } else { // h => short + info.flags |= ZPL_FMT_SHORT; + } + break; + + case 'l': + if (*fmt == 'l') { // ll => long long + info.flags |= ZPL_FMT_LLONG; + fmt++; + } else { // l => long + info.flags |= ZPL_FMT_LONG; + } + break; + + break; + + case 'z': // NOTE: zpl_usize + info.flags |= ZPL_FMT_UNSIGNED; + // fallthrough + case 't': // NOTE: zpl_isize + info.flags |= ZPL_FMT_SIZE; + break; + + default: fmt--; break; + } + + switch (*fmt) { + case 'u': + info.flags |= ZPL_FMT_UNSIGNED; + // fallthrough + case 'd': + case 'i': info.base = 10; break; + + case 'o': info.base = 8; break; + + case 'x': + info.base = 16; + info.flags |= (ZPL_FMT_UNSIGNED | ZPL_FMT_LOWER); + break; + + case 'X': + info.base = 16; + info.flags |= (ZPL_FMT_UNSIGNED | ZPL_FMT_UPPER); + break; + + case 'f': + case 'F': + case 'g': + case 'G': len = zpl__print_f64(text, remaining, &info, va_arg(va, zpl_f64)); break; + + case 'a': + case 'A': + // TODO: + break; + + case 'c': len = zpl__print_char(text, remaining, &info, cast(char) va_arg(va, int)); break; + + case 's': len = zpl__print_string(text, remaining, &info, va_arg(va, char *)); break; + + case 'p': + info.base = 16; + info.flags |= (ZPL_FMT_LOWER | ZPL_FMT_UNSIGNED | ZPL_FMT_ALT | ZPL_FMT_INTPTR); + break; + + case '%': len = zpl__print_char(text, remaining, &info, '%'); break; + + default: fmt--; break; + } + + fmt++; + + if (info.base != 0) { + if (info.flags & ZPL_FMT_UNSIGNED) { + zpl_u64 value = 0; + switch (info.flags & ZPL_FMT_INTS) { + case ZPL_FMT_CHAR: value = cast(zpl_u64) cast(zpl_u8) va_arg(va, int); break; + case ZPL_FMT_SHORT: value = cast(zpl_u64) cast(zpl_u16) va_arg(va, int); break; + case ZPL_FMT_LONG: value = cast(zpl_u64) va_arg(va, unsigned long); break; + case ZPL_FMT_LLONG: value = cast(zpl_u64) va_arg(va, unsigned long long); break; + case ZPL_FMT_SIZE: value = cast(zpl_u64) va_arg(va, zpl_usize); break; + case ZPL_FMT_INTPTR: value = cast(zpl_u64) va_arg(va, zpl_uintptr); break; + default: value = cast(zpl_u64) va_arg(va, unsigned int); break; + } + + len = zpl__print_u64(text, remaining, &info, value); + + } else { + zpl_i64 value = 0; + switch (info.flags & ZPL_FMT_INTS) { + case ZPL_FMT_CHAR: value = cast(zpl_i64) cast(zpl_i8) va_arg(va, int); break; + case ZPL_FMT_SHORT: value = cast(zpl_i64) cast(zpl_i16) va_arg(va, int); break; + case ZPL_FMT_LONG: value = cast(zpl_i64) va_arg(va, long); break; + case ZPL_FMT_LLONG: value = cast(zpl_i64) va_arg(va, long long); break; + case ZPL_FMT_SIZE: value = cast(zpl_i64) va_arg(va, zpl_usize); break; + case ZPL_FMT_INTPTR: value = cast(zpl_i64) va_arg(va, zpl_uintptr); break; + default: value = cast(zpl_i64) va_arg(va, int); break; + } + + len = zpl__print_i64(text, remaining, &info, value); + } + } + + text += len; + if (len >= remaining) + remaining = zpl_min(remaining, 1); + else + remaining -= len; + } + + *text++ = '\0'; + res = (text - text_begin); + return (res >= max_len || res < 0) ? -1 : res; + } + + ZPL_END_C_DECLS + // file: source/core/time.c + + #ifdef ZPL_EDITOR + #include + #endif + + #if defined(ZPL_SYSTEM_MACOS) || ZPL_SYSTEM_UNIX + #include + #include + #endif + + #if defined(ZPL_SYSTEM_MACOS) + #include + #include + #include + #endif + + #if defined(ZPL_SYSTEM_EMSCRIPTEN) + #include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) + #include + #endif + + ZPL_BEGIN_C_DECLS + + //! @} + //$$ + //////////////////////////////////////////////////////////////// + // + // Time + // + // + + #if defined(ZPL_COMPILER_MSVC) && !defined(__clang__) + zpl_u64 zpl_rdtsc(void) { return __rdtsc( ); } + #elif defined(__i386__) + zpl_u64 zpl_rdtsc(void) { + zpl_u64 x; + __asm__ volatile(".byte 0x0f, 0x31" : "=A"(x)); + return x; + } + #elif defined(__x86_64__) + zpl_u64 zpl_rdtsc(void) { + zpl_u32 hi, lo; + __asm__ __volatile__("rdtsc" : "=a"(lo), "=d"(hi)); + return (cast(zpl_u64) lo) | ((cast(zpl_u64) hi) << 32); + } + #elif defined(__powerpc__) + zpl_u64 zpl_rdtsc(void) { + zpl_u64 result = 0; + zpl_u32 upper, lower, tmp; + __asm__ volatile("0: \n" + "\tmftbu %0 \n" + "\tmftb %1 \n" + "\tmftbu %2 \n" + "\tcmpw %2,%0 \n" + "\tbne 0b \n" + : "=r"(upper), "=r"(lower), "=r"(tmp)); + result = upper; + result = result << 32; + result = result | lower; + + return result; + } + #elif defined(ZPL_SYSTEM_EMSCRIPTEN) + zpl_u64 zpl_rdtsc(void) { + return (zpl_u64)(emscripten_get_now() * 1e+6); + } + #elif defined(ZPL_CPU_ARM) + zpl_u64 zpl_rdtsc(void) { + #if defined(__aarch64__) + int64_t r = 0; + asm volatile("mrs %0, cntvct_el0" : "=r"(r)); + #elif (__ARM_ARCH >= 6) + uint32_t r = 0; + uint32_t pmccntr; + uint32_t pmuseren; + uint32_t pmcntenset; + + // Read the user mode perf monitor counter access permissions. + asm volatile("mrc p15, 0, %0, c9, c14, 0" : "=r"(pmuseren)); + if (pmuseren & 1) { // Allows reading perfmon counters for user mode code. + asm volatile("mrc p15, 0, %0, c9, c12, 1" : "=r"(pmcntenset)); + if (pmcntenset & 0x80000000ul) { // Is it counting? + asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(pmccntr)); + // The counter is set up to count every 64th cycle + return ((int64_t)pmccntr) * 64; // Should optimize to << 6 + } + } + #else + #error "No suitable method for zpl_rdtsc for this cpu type" + #endif + + return r; + } + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) || defined(ZPL_SYSTEM_CYGWIN) + + zpl_u64 zpl_time_rel_ms(void) { + zpl_local_persist LARGE_INTEGER win32_perf_count_freq = { 0 }; + zpl_u64 result; + LARGE_INTEGER counter; + zpl_local_persist LARGE_INTEGER win32_perf_counter = { 0 }; + if (!win32_perf_count_freq.QuadPart) { + QueryPerformanceFrequency(&win32_perf_count_freq); + ZPL_ASSERT(win32_perf_count_freq.QuadPart != 0); + QueryPerformanceCounter(&win32_perf_counter); + } + + QueryPerformanceCounter(&counter); + + result = (counter.QuadPart - win32_perf_counter.QuadPart) * 1000 / (win32_perf_count_freq.QuadPart); + return result; + } + + zpl_u64 zpl_time_utc_ms(void) { + FILETIME ft; + ULARGE_INTEGER li; + + GetSystemTimeAsFileTime(&ft); + li.LowPart = ft.dwLowDateTime; + li.HighPart = ft.dwHighDateTime; + + return li.QuadPart / 1000; + } + + zpl_u64 zpl_time_tz_ms(void) { + FILETIME ft; + SYSTEMTIME st, lst; + ULARGE_INTEGER li; + + GetSystemTime(&st); + SystemTimeToTzSpecificLocalTime(NULL, &st, &lst); + SystemTimeToFileTime(&lst, &ft); + li.LowPart = ft.dwLowDateTime; + li.HighPart = ft.dwHighDateTime; + + return li.QuadPart / 1000; + } + + void zpl_sleep_ms(zpl_u32 ms) { Sleep(ms); } + + #else + + #if defined(ZPL_SYSTEM_LINUX) || defined(ZPL_SYSTEM_FREEBSD) || defined(ZPL_SYSTEM_OPENBSD) || defined(ZPL_SYSTEM_EMSCRIPTEN) + zpl_u64 zpl__unix_gettime(void) { + struct timespec t; + zpl_u64 result; + + clock_gettime(1 /*CLOCK_MONOTONIC*/, &t); + result = 1000 * t.tv_sec + 1.0e-6 * t.tv_nsec; + return result; + } + #endif + + zpl_u64 zpl_time_rel_ms(void) { + #if defined(ZPL_SYSTEM_OSX) + zpl_u64 result; + + zpl_local_persist zpl_u64 timebase = 0; + zpl_local_persist zpl_u64 timestart = 0; + + if (!timestart) { + mach_timebase_info_data_t tb = { 0 }; + mach_timebase_info(&tb); + timebase = tb.numer; + timebase /= tb.denom; + timestart = mach_absolute_time(); + } + + // NOTE: mach_absolute_time() returns things in nanoseconds + result = 1.0e-6 * (mach_absolute_time() - timestart) * timebase; + return result; + #else + zpl_local_persist zpl_u64 unix_timestart = 0.0; + + if (!unix_timestart) { unix_timestart = zpl__unix_gettime( ); } + + zpl_u64 now = zpl__unix_gettime( ); + + return (now - unix_timestart); + #endif + } + + zpl_u64 zpl_time_utc_ms(void) { + struct timespec t; + #if defined(ZPL_SYSTEM_OSX) + clock_serv_t cclock; + mach_timespec_t mts; + host_get_clock_service(mach_host_self( ), CALENDAR_CLOCK, &cclock); + clock_get_time(cclock, &mts); + mach_port_deallocate(mach_task_self( ), cclock); + t.tv_sec = mts.tv_sec; + t.tv_nsec = mts.tv_nsec; + #else + clock_gettime(0 /*CLOCK_REALTIME*/, &t); + #endif + return (t.tv_sec * 1000 + t.tv_nsec * 1e-6 + ZPL__UNIX_TO_WIN32_EPOCH); + } + + void zpl_sleep_ms(zpl_u32 ms) { + struct timespec req = { cast(time_t)(ms * 1e-3), cast(long)((ms % 1000) * 1e6) }; + struct timespec rem = { 0, 0 }; + nanosleep(&req, &rem); + } + + zpl_u64 zpl_time_tz_ms(void) { + struct tm t; + zpl_u64 result = zpl_time_utc_ms() - ZPL__UNIX_TO_WIN32_EPOCH; + zpl_u16 ms = result % 1000; + result *= 1e-3; + localtime_r((const time_t*)&result, &t); + result = (zpl_u64)mktime(&t); + return (result - timezone + t.tm_isdst * 3600) * 1000 + ms + ZPL__UNIX_TO_WIN32_EPOCH; + } + #endif + + zpl_f64 zpl_time_rel(void) { + return (zpl_f64)(zpl_time_rel_ms() * 1e-3); + } + + zpl_f64 zpl_time_utc(void) { + return (zpl_f64)(zpl_time_utc_ms() * 1e-3); + } + + zpl_f64 zpl_time_tz(void) { + return (zpl_f64)(zpl_time_tz_ms() * 1e-3); + } + + + + ZPL_END_C_DECLS + // file: source/core/random.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_MODULE_THREADING) + zpl_global zpl_atomic32 zpl__random_shared_counter = {0}; + #else + zpl_global zpl_i32 zpl__random_shared_counter = 0; + #endif + + zpl_internal zpl_u32 zpl__get_noise_from_time(void) { + zpl_u32 accum = 0; + zpl_f64 start, remaining, end, curr = 0; + zpl_u64 interval = 100000ll; + + start = zpl_time_rel(); + remaining = (interval - cast(zpl_u64)(interval*start)%interval) / cast(zpl_f64)interval; + end = start + remaining; + + do { + curr = zpl_time_rel(); + accum += cast(zpl_u32)curr; + } while (curr >= end); + return accum; + } + + // NOTE: Partly from http://preshing.com/20121224/how-to-generate-a-sequence-of-unique-random-integers/ + // But the generation is even more random-er-est + + zpl_internal ZPL_ALWAYS_INLINE zpl_u32 zpl__permute_qpr(zpl_u32 x) { + zpl_local_persist zpl_u32 const prime = 4294967291; // 2^32 - 5 + if (x >= prime) { + return x; + } else { + zpl_u32 residue = cast(zpl_u32)(cast(zpl_u64) x * x) % prime; + if (x <= prime / 2) + return residue; + else + return prime - residue; + } + } + + zpl_internal ZPL_ALWAYS_INLINE zpl_u32 zpl__permute_with_offset(zpl_u32 x, zpl_u32 offset) { + return (zpl__permute_qpr(x) + offset) ^ 0x5bf03635; + } + + + void zpl_random_init(zpl_random *r) { + zpl_u64 time, tick; + zpl_isize i, j; + zpl_u32 x = 0; + r->value = 0; + + r->offsets[0] = zpl__get_noise_from_time(); + #ifdef ZPL_MODULE_THREADING + r->offsets[1] = zpl_atomic32_fetch_add(&zpl__random_shared_counter, 1); + r->offsets[2] = zpl_thread_current_id(); + r->offsets[3] = zpl_thread_current_id() * 3 + 1; + #else + r->offsets[1] = zpl__random_shared_counter++; + r->offsets[2] = 0; + r->offsets[3] = 1; + #endif + time = zpl_time_tz_ms(); + r->offsets[4] = cast(zpl_u32)(time >> 32); + r->offsets[5] = cast(zpl_u32)time; + r->offsets[6] = zpl__get_noise_from_time(); + tick = zpl_rdtsc(); + r->offsets[7] = cast(zpl_u32)(tick ^ (tick >> 32)); + + for (j = 0; j < 4; j++) { + for (i = 0; i < zpl_count_of(r->offsets); i++) { + r->offsets[i] = x = zpl__permute_with_offset(x, r->offsets[i]); + } + } + } + + zpl_u32 zpl_random_gen_u32(zpl_random *r) { + zpl_u32 x = r->value; + zpl_u32 carry = 1; + zpl_isize i; + for (i = 0; i < zpl_count_of(r->offsets); i++) { + x = zpl__permute_with_offset(x, r->offsets[i]); + if (carry > 0) { + carry = ++r->offsets[i] ? 0 : 1; + } + } + + r->value = x; + return x; + } + + zpl_u32 zpl_random_gen_u32_unique(zpl_random *r) { + zpl_u32 x = r->value; + zpl_isize i; + r->value++; + for (i = 0; i < zpl_count_of(r->offsets); i++) { + x = zpl__permute_with_offset(x, r->offsets[i]); + } + + return x; + } + + zpl_u64 zpl_random_gen_u64(zpl_random *r) { + return ((cast(zpl_u64)zpl_random_gen_u32(r)) << 32) | zpl_random_gen_u32(r); + } + + + zpl_isize zpl_random_gen_isize(zpl_random *r) { + zpl_u64 u = zpl_random_gen_u64(r); + return *cast(zpl_isize *)&u; + } + + + zpl_i64 zpl_random_range_i64(zpl_random *r, zpl_i64 lower_inc, zpl_i64 higher_inc) { + zpl_u64 u = zpl_random_gen_u64(r); + zpl_i64 i = *cast(zpl_i64 *)&u; + zpl_i64 diff = higher_inc-lower_inc+1; + i %= diff; + i += lower_inc; + return i; + } + + zpl_isize zpl_random_range_isize(zpl_random *r, zpl_isize lower_inc, zpl_isize higher_inc) { + zpl_u64 u = zpl_random_gen_u64(r); + zpl_isize i = *cast(zpl_isize *)&u; + zpl_isize diff = higher_inc-lower_inc+1; + i %= diff; + i += lower_inc; + return i; + } + + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_copy_sign64(zpl_f64 x, zpl_f64 y) { + zpl_i64 ix=0, iy=0; + zpl_memcopy(&ix, &x, zpl_size_of(zpl_i64)); + zpl_memcopy(&iy, &y, zpl_size_of(zpl_i64)); + + ix &= 0x7fffffffffffffff; + ix |= iy & 0x8000000000000000; + + zpl_f64 r = 0.0; + zpl_memcopy(&r, &ix, zpl_size_of(zpl_f64)); + return r; + } + + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_floor64 (zpl_f64 x) { return cast(zpl_f64)((x >= 0.0) ? cast(zpl_i64)x : cast(zpl_i64)(x-0.9999999999999999)); } + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_ceil64 (zpl_f64 x) { return cast(zpl_f64)((x < 0) ? cast(zpl_i64)x : (cast(zpl_i64)x)+1); } + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_round64 (zpl_f64 x) { return cast(zpl_f64)((x >= 0.0) ? zpl__random_floor64(x + 0.5) : zpl__random_ceil64(x - 0.5)); } + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_remainder64(zpl_f64 x, zpl_f64 y) { return x - (zpl__random_round64(x/y)*y); } + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_abs64 (zpl_f64 x) { return x < 0 ? -x : x; } + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_sign64 (zpl_f64 x) { return x < 0 ? -1.0 : +1.0; } + + ZPL_ALWAYS_INLINE zpl_f64 zpl__random_mod64(zpl_f64 x, zpl_f64 y) { + zpl_f64 result; + y = zpl__random_abs64(y); + result = zpl__random_remainder64(zpl__random_abs64(x), y); + if (zpl__random_sign64(result)) result += y; + return zpl__random_copy_sign64(result, x); + } + + zpl_f64 zpl_random_range_f64(zpl_random *r, zpl_f64 lower_inc, zpl_f64 higher_inc) { + zpl_u64 u = zpl_random_gen_u64(r); + zpl_f64 f = 0; + zpl_memcopy(&f, &u, zpl_size_of(zpl_f64)); + zpl_f64 diff = higher_inc-lower_inc+1.0; + f = zpl__random_mod64(f, diff); + f += lower_inc; + return f; + } + + ZPL_END_C_DECLS + // file: source/core/misc.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_MACOS) + #include + #endif + + #if defined(ZPL_SYSTEM_WINDOWS) + void zpl_exit(zpl_u32 code) { ExitProcess(code); } + #else + void zpl_exit(zpl_u32 code) { exit(code); } + #endif + + void zpl_yield(void) { + #if defined(ZPL_SYSTEM_WINDOWS) + Sleep(0); + #else + sched_yield(); + #endif + } + + const char *zpl_get_env(const char *name) { + char *buffer = NULL; + const char *ptr = zpl_get_env_buf(name); + + if (ptr == NULL) { + return NULL; + } + + zpl_isize ptr_size = zpl_strlen(ptr); + buffer = (char *)zpl_malloc(ptr_size * sizeof(char)+1); + zpl_memcopy((char *)buffer, ptr, ptr_size+1); + return buffer; + } + + const char *zpl_get_env_buf(const char *name) { + #ifdef ZPL_SYSTEM_WINDOWS + zpl_local_persist wchar_t wbuffer[32767] = {0}; + zpl_local_persist char buffer[32767] = {0}; + + if (!GetEnvironmentVariableW( + cast(LPCWSTR)zpl_utf8_to_ucs2_buf(cast(const zpl_u8 *)name), + cast(LPWSTR)wbuffer, 32767)) { + return NULL; + } + + zpl_ucs2_to_utf8(cast(zpl_u8*)buffer, 32767, cast(const zpl_u16*)wbuffer); + + return (const char *)buffer; + #else + return (const char *)getenv(name); + #endif + } + + zpl_string zpl_get_env_str(const char *name) { + const char *buf = zpl_get_env_buf(name); + + if (buf == NULL) { + return NULL; + } + + zpl_string str = zpl_string_make(zpl_heap(), buf); + return str; + } + + void zpl_set_env(const char *name, const char *value) { + #if defined(ZPL_SYSTEM_WINDOWS) + SetEnvironmentVariableA(name, value); + #else + setenv(name, value, 1); + #endif + } + + void zpl_unset_env(const char *name) { + #if defined(ZPL_SYSTEM_WINDOWS) + SetEnvironmentVariableA(name, NULL); + #else + unsetenv(name); + #endif + } + + #if !defined(ZPL_SYSTEM_WINDOWS) + extern char **environ; + #endif + + zpl_u32 zpl_system_command(const char *command, zpl_usize buffer_len, char *buffer) { + #if defined(ZPL_SYSTEM_EMSCRIPTEN) + ZPL_PANIC("zpl_system_command not supported"); + #else + + #if defined(ZPL_SYSTEM_WINDOWS) + FILE *handle = _popen(command, "r"); + #else + FILE *handle = popen(command, "r"); + #endif + + if(!handle) return 0; + + int c; + zpl_usize i=0; + while ((c = getc(handle)) != EOF && i++ < buffer_len) { + *buffer++ = c; + } + + #if defined(ZPL_SYSTEM_WINDOWS) + _pclose(handle); + #else + pclose(handle); + #endif + + #endif + + return 1; + } + + zpl_string zpl_system_command_str(const char *command, zpl_allocator backing) { + #if defined(ZPL_SYSTEM_EMSCRIPTEN) + ZPL_PANIC("zpl_system_command not supported"); + #else + + #if defined(ZPL_SYSTEM_WINDOWS) + FILE *handle = _popen(command, "r"); + #else + FILE *handle = popen(command, "r"); + #endif + + if(!handle) return NULL; + + zpl_string output = zpl_string_make_reserve(backing, 4); + + int c; + while ((c = getc(handle)) != EOF) { + char ins[2] = {(char)c,0}; + output = zpl_string_appendc(output, ins); + } + + #if defined(ZPL_SYSTEM_WINDOWS) + _pclose(handle); + #else + pclose(handle); + #endif + return output; + #endif + return NULL; + } + + ZPL_END_C_DECLS + // file: source/core/sort.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #define ZPL__COMPARE_PROC(Type) \ + zpl_global zpl_isize Type##__cmp_offset; \ + ZPL_COMPARE_PROC(Type##__cmp) { \ + Type const p = *cast(Type const *) zpl_pointer_add_const(a, Type##__cmp_offset); \ + Type const q = *cast(Type const *) zpl_pointer_add_const(b, Type##__cmp_offset); \ + return p < q ? -1 : p > q; \ + } \ + ZPL_COMPARE_PROC_PTR(Type##_cmp(zpl_isize offset)) { \ + Type##__cmp_offset = offset; \ + return &Type##__cmp; \ + } + + ZPL__COMPARE_PROC(zpl_u8); + ZPL__COMPARE_PROC(zpl_i16); + ZPL__COMPARE_PROC(zpl_i32); + ZPL__COMPARE_PROC(zpl_i64); + ZPL__COMPARE_PROC(zpl_isize); + ZPL__COMPARE_PROC(zpl_f32); + ZPL__COMPARE_PROC(zpl_f64); + + // NOTE: str_cmp is special as it requires a funny type and funny comparison + zpl_global zpl_isize zpl__str_cmp_offset; + ZPL_COMPARE_PROC(zpl__str_cmp) { + char const *p = *cast(char const **) zpl_pointer_add_const(a, zpl__str_cmp_offset); + char const *q = *cast(char const **) zpl_pointer_add_const(b, zpl__str_cmp_offset); + return zpl_strcmp(p, q); + } + ZPL_COMPARE_PROC_PTR(zpl_str_cmp(zpl_isize offset)) { + zpl__str_cmp_offset = offset; + return &zpl__str_cmp; + } + + #undef ZPL__COMPARE_PROC + + // TODO: Make user definable? + #define ZPL__SORT_STACK_SIZE 64 + #define zpl__SORT_INSERT_SORT_TRESHOLD 8 + + #define ZPL__SORT_PUSH(_base, _limit) \ + do { \ + stack_ptr[0] = (_base); \ + stack_ptr[1] = (_limit); \ + stack_ptr += 2; \ + } while (0) + + #define ZPL__SORT_POP(_base, _limit) \ + do { \ + stack_ptr -= 2; \ + (_base) = stack_ptr[0]; \ + (_limit) = stack_ptr[1]; \ + } while (0) + + void zpl_sort(void *base_, zpl_isize count, zpl_isize size, zpl_compare_proc cmp) { + zpl_u8 *i, *j; + zpl_u8 *base = cast(zpl_u8 *) base_; + zpl_u8 *limit = base + count * size; + zpl_isize threshold = zpl__SORT_INSERT_SORT_TRESHOLD * size; + + // NOTE: Prepare the stack + zpl_u8 *stack[ZPL__SORT_STACK_SIZE] = { 0 }; + zpl_u8 **stack_ptr = stack; + + for (;;) { + if ((limit - base) > threshold) { + // NOTE: Quick sort + i = base + size; + j = limit - size; + + zpl_memswap(((limit - base) / size / 2) * size + base, base, size); + if (cmp(i, j) > 0) zpl_memswap(i, j, size); + if (cmp(base, j) > 0) zpl_memswap(base, j, size); + if (cmp(i, base) > 0) zpl_memswap(i, base, size); + + for (;;) { + do + i += size; + while (cmp(i, base) < 0); + do + j -= size; + while (cmp(j, base) > 0); + if (i > j) break; + zpl_memswap(i, j, size); + } + + zpl_memswap(base, j, size); + + if (j - base > limit - i) { + ZPL__SORT_PUSH(base, j); + base = i; + } else { + ZPL__SORT_PUSH(i, limit); + limit = j; + } + } else { + // NOTE: Insertion sort + for (j = base, i = j + size; i < limit; j = i, i += size) { + for (; cmp(j, j + size) > 0; j -= size) { + zpl_memswap(j, j + size, size); + if (j == base) break; + } + } + + if (stack_ptr == stack) break; // NOTE: Sorting is done! + ZPL__SORT_POP(base, limit); + } + } + } + + #undef ZPL__SORT_PUSH + #undef ZPL__SORT_POP + + #define ZPL_RADIX_SORT_PROC_GEN(Type) \ + ZPL_RADIX_SORT_PROC(Type) { \ + zpl_##Type *source = items; \ + zpl_##Type *dest = temp; \ + zpl_isize byte_index, i, byte_max = 8 * zpl_size_of(zpl_##Type); \ + for (byte_index = 0; byte_index < byte_max; byte_index += 8) { \ + zpl_isize offsets[256] = { 0 }; \ + zpl_isize total = 0; \ + /* NOTE: First pass - count how many of each key */ \ + for (i = 0; i < count; i++) { \ + zpl_##Type radix_value = source[i]; \ + zpl_##Type radix_piece = (radix_value >> byte_index) & 0xff; \ + offsets[radix_piece]++; \ + } \ + /* NOTE: Change counts to offsets */ \ + for (i = 0; i < zpl_count_of(offsets); i++) { \ + zpl_isize skcount = offsets[i]; \ + offsets[i] = total; \ + total += skcount; \ + } \ + /* NOTE: Second pass - place elements into the right location */ \ + for (i = 0; i < count; i++) { \ + zpl_##Type radix_value = source[i]; \ + zpl_##Type radix_piece = (radix_value >> byte_index) & 0xff; \ + dest[offsets[radix_piece]++] = source[i]; \ + } \ + zpl_swap(zpl_##Type *, source, dest); \ + } \ + } + + ZPL_RADIX_SORT_PROC_GEN(u8); + ZPL_RADIX_SORT_PROC_GEN(u16); + ZPL_RADIX_SORT_PROC_GEN(u32); + ZPL_RADIX_SORT_PROC_GEN(u64); + + void zpl_shuffle(void *base, zpl_isize count, zpl_isize size) { + zpl_u8 *a; + zpl_isize i, j; + zpl_random random; + zpl_random_init(&random); + + a = cast(zpl_u8 *) base + (count - 1) * size; + for (i = count; i > 1; i--) { + j = zpl_random_gen_isize(&random) % i; + zpl_memswap(a, cast(zpl_u8 *) base + j * size, size); + a -= size; + } + } + + void zpl_reverse(void *base, zpl_isize count, zpl_isize size) { + zpl_isize i, j = count - 1; + for (i = 0; i < j; i++, j++) zpl_memswap(cast(zpl_u8 *) base + i * size, cast(zpl_u8 *) base + j * size, size); + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_TIMER) + // file: source/timer.c + + //////////////////////////////////////////////////////////////// + // + // Timer + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_timer *zpl_timer_add(zpl_timer_pool pool) { + ZPL_ASSERT(pool); + + zpl_timer t = { 0 }; + zpl_array_append(pool, t); + return pool + (zpl_array_count(pool) - 1); + } + + void zpl_timer_set(zpl_timer *t, zpl_f64 duration, zpl_i32 count, zpl_timer_cb cb) { + ZPL_ASSERT(t); + + t->duration = duration; + t->remaining_calls = t->initial_calls = count; + t->callback = cb; + t->enabled = false; + } + + void zpl_timer_start(zpl_timer *t, zpl_f64 delay_start) { + ZPL_ASSERT(t && !t->enabled); + + t->enabled = true; + t->remaining_calls = t->initial_calls; + t->next_call_ts = zpl_time_rel( ) + delay_start; + } + + void zpl_timer_stop(zpl_timer *t) { + ZPL_ASSERT(t && t->enabled); + + t->enabled = false; + } + + void zpl_timer_update(zpl_timer_pool pool) { + ZPL_ASSERT(pool); + + zpl_f64 now = zpl_time_rel( ); + + for (zpl_isize i = 0; i < zpl_array_count(pool); ++i) { + zpl_timer *t = pool + i; + + if (t->enabled) { + if (t->remaining_calls > 0 || t->initial_calls == -1) { + if (t->next_call_ts <= now) { + if (t->initial_calls != -1) { --t->remaining_calls; } + + if (t->remaining_calls == 0) { + t->enabled = false; + } else { + t->next_call_ts = now + t->duration; + } + + t->callback(t->user_data); + } + } + } + } + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_HASHING) + // file: source/hashing.c + + //////////////////////////////////////////////////////////////// + // + // Hashing functions + // + // + + #ifdef ZPL_EDITOR + #include "../zpl.h" + #endif + + ZPL_BEGIN_C_DECLS + + zpl_u32 zpl_adler32(void const *data, zpl_isize len) { + zpl_u32 const MOD_ALDER = 65521; + zpl_u32 a = 1, b = 0; + zpl_isize i, block_len; + zpl_u8 const *bytes = cast(zpl_u8 const *) data; + + block_len = len % 5552; + + while (len) { + for (i = 0; i + 7 < block_len; i += 8) { + a += bytes[0], b += a; + a += bytes[1], b += a; + a += bytes[2], b += a; + a += bytes[3], b += a; + a += bytes[4], b += a; + a += bytes[5], b += a; + a += bytes[6], b += a; + a += bytes[7], b += a; + + bytes += 8; + } + for (; i < block_len; i++) a += *bytes++, b += a; + + a %= MOD_ALDER, b %= MOD_ALDER; + len -= block_len; + block_len = 5552; + } + + return (b << 16) | a; + } + + zpl_global zpl_u32 const ZPL__CRC32_TABLE[256] = { + 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, + 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, + 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, + 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, + 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, + 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, + 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, + 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, + 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, + 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, + 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, + 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, + 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, + 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, + 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, + 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, + 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, + 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, + 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, + 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, + 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, + 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, + 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, + 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, + 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, + 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, + 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, + 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, + 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d, + }; + + zpl_u32 zpl_crc32(void const *data, zpl_isize len) { + zpl_isize remaining; + zpl_u32 result = ~(cast(zpl_u32) 0); + zpl_u8 const *c = cast(zpl_u8 const *) data; + for (remaining = len; remaining--; c++) result = (result >> 8) ^ (ZPL__CRC32_TABLE[(result ^ *c) & 0xff]); + return ~result; + } + + zpl_u32 zpl_fnv32(void const *data, zpl_isize len) { + zpl_isize i; + zpl_u32 h = 0x811c9dc5; + zpl_u8 const *c = cast(zpl_u8 const *) data; + + for (i = 0; i < len; i++) h = (h * 0x01000193) ^ c[i]; + + return h; + } + + zpl_u64 zpl_fnv64(void const *data, zpl_isize len) { + zpl_isize i; + zpl_u64 h = 0xcbf29ce484222325ull; + zpl_u8 const *c = cast(zpl_u8 const *) data; + + for (i = 0; i < len; i++) h = (h * 0x100000001b3ll) ^ c[i]; + + return h; + } + + zpl_u32 zpl_fnv32a(void const *data, zpl_isize len) { + zpl_isize i; + zpl_u32 h = 0x811c9dc5; + zpl_u8 const *c = cast(zpl_u8 const *) data; + + for (i = 0; i < len; i++) h = (h ^ c[i]) * 0x01000193; + + return h; + } + + zpl_u64 zpl_fnv64a(void const *data, zpl_isize len) { + zpl_isize i; + zpl_u64 h = 0xcbf29ce484222325ull; + zpl_u8 const *c = cast(zpl_u8 const *) data; + + for (i = 0; i < len; i++) h = (h ^ c[i]) * 0x100000001b3ll; + + return h; + } + + // base64 implementation based on https://nachtimwald.com/2017/11/18/base64-encode-and-decode-in-c/ + // + zpl_global zpl_u8 zpl__base64_chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; + + + /* generated table based on: */ + #if 0 + void zpl__base64_decode_table() { + zpl_i32 inv[80]; + zpl_isize i; + + zpl_memset(inv, -1, zpl_size_of(inv)); + + for (i=0; i < zpl_size_of(zpl__base64_chars)-1; i++) { + inv[zpl__base64_chars[i]-43] = i; + } + } + #endif + /* === */ + zpl_global zpl_i32 zpl__base64_dec_table[] = { + 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, + 59, 60, 61, -1, -1, -1, -1, -1, -1, -1, 0, 1, 2, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, + 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28, + 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, + 43, 44, 45, 46, 47, 48, 49, 50, 51 }; + + zpl_isize zpl__base64_encoded_size(zpl_isize len) { + zpl_isize ret = len; + + if (len % 3 != 0) { + ret += 3 - (len % 3); + } + + ret /= 3; + ret *= 4; + + return ret; + } + + zpl_isize zpl__base64_decoded_size(void const *data) { + zpl_isize len, ret, i; + const zpl_u8 *s = cast(const zpl_u8 *)data; + + if (s == NULL) { + return 0; + } + + len = zpl_strlen(cast(const char*)s); + ret = len / 4 * 3; + + for (i=len; i-- > 0;) { + if (s[i] == '=') { + ret--; + } else { + break; + } + } + + return ret; + } + + zpl_b32 zpl__base64_valid_char(zpl_u8 c) { + if (c >= '0' && c <= '9') + return true; + if (c >= 'A' && c <= 'Z') + return true; + if (c >= 'a' && c <= 'z') + return true; + if (c == '+' || c == '/' || c == '=') + return true; + + return false; + } + + zpl_u8 *zpl_base64_encode(zpl_allocator a, void const *data, zpl_isize len) { + const zpl_u8 *s = cast(const zpl_u8*)data; + zpl_u8 *ret = NULL; + zpl_isize enc_len, i, j, v; + + if (data == NULL || len == 0) { + return NULL; + } + + enc_len = zpl__base64_encoded_size(len); + ret = cast(zpl_u8 *)zpl_alloc(a, enc_len+1); + ret[enc_len] = 0; + + for (i=0, j=0; i < len; i+=3, j+=4) { + v = s[i]; + v = (i+1 < len) ? (v << 8 | s[i+1]) : (v << 8); + v = (i+2 < len) ? (v << 8 | s[i+2]) : (v << 8); + + ret[j] = zpl__base64_chars[(v >> 18) & 0x3F]; + ret[j+1] = zpl__base64_chars[(v >> 12) & 0x3F]; + + if (i+1 < len) + ret[j+2] = zpl__base64_chars[(v >> 6) & 0x3F]; + + else ret[j+2] = '='; + + if (i+2 < len) + ret[j+3] = zpl__base64_chars[v & 0x3F]; + + else ret[j+3] = '='; + + } + + return ret; + } + + zpl_u8 *zpl_base64_decode(zpl_allocator a, void const *data, zpl_isize len) { + const zpl_u8 *s = cast(const zpl_u8*)data; + zpl_u8 *ret = NULL; + zpl_isize alen, i, j, v; + + if (data == NULL) { + return NULL; + } + + alen = zpl__base64_decoded_size(s); + ret = cast(zpl_u8 *)zpl_alloc(a, alen+1); + + ZPL_ASSERT_NOT_NULL(ret); + + ret[alen] = 0; + + for (i=0; i> 16) & 0xFF; + + if (s[i+2] != '=') + ret[j+1] = (v >> 8) & 0xFF; + + if (s[i+3] != '=') + ret[j+2] = v & 0xFF; + } + + return ret; + } + + zpl_u32 zpl_murmur32_seed(void const *data, zpl_isize len, zpl_u32 seed) { + zpl_u32 const c1 = 0xcc9e2d51; + zpl_u32 const c2 = 0x1b873593; + zpl_u32 const r1 = 15; + zpl_u32 const r2 = 13; + zpl_u32 const m = 5; + zpl_u32 const n = 0xe6546b64; + + zpl_isize i, nblocks = len / 4; + zpl_u32 hash = seed, k1 = 0; + zpl_u32 const *blocks = cast(zpl_u32 const *) data; + zpl_u8 const *tail = cast(zpl_u8 const *)(data) + nblocks * 4; + + for (i = 0; i < nblocks; i++) { + zpl_u32 k = blocks[i]; + k *= c1; + k = (k << r1) | (k >> (32 - r1)); + k *= c2; + + hash ^= k; + hash = ((hash << r2) | (hash >> (32 - r2))) * m + n; + } + + switch (len & 3) { + case 3: k1 ^= tail[2] << 16; + case 2: k1 ^= tail[1] << 8; + case 1: + k1 ^= tail[0]; + + k1 *= c1; + k1 = (k1 << r1) | (k1 >> (32 - r1)); + k1 *= c2; + hash ^= k1; + } + + hash ^= len; + hash ^= (hash >> 16); + hash *= 0x85ebca6b; + hash ^= (hash >> 13); + hash *= 0xc2b2ae35; + hash ^= (hash >> 16); + + return hash; + } + + zpl_u64 zpl_murmur64_seed(void const *data_, zpl_isize len, zpl_u64 seed) { + #if defined(ZPL_ARCH_64_BIT) + zpl_u64 const m = 0xc6a4a7935bd1e995ULL; + zpl_i32 const r = 47; + + zpl_u64 h = seed ^ (len * m); + + zpl_u64 const *data = cast(zpl_u64 const *) data_; + zpl_u8 const *data2 = cast(zpl_u8 const *) data_; + zpl_u64 const *end = data + (len / 8); + + while (data != end) { + zpl_u64 k = *data++; + + k *= m; + k ^= k >> r; + k *= m; + + h ^= k; + h *= m; + } + + switch (len & 7) { + case 7: h ^= cast(zpl_u64)(data2[6]) << 48; + case 6: h ^= cast(zpl_u64)(data2[5]) << 40; + case 5: h ^= cast(zpl_u64)(data2[4]) << 32; + case 4: h ^= cast(zpl_u64)(data2[3]) << 24; + case 3: h ^= cast(zpl_u64)(data2[2]) << 16; + case 2: h ^= cast(zpl_u64)(data2[1]) << 8; + case 1: h ^= cast(zpl_u64)(data2[0]); + h *= m; + }; + + h ^= h >> r; + h *= m; + h ^= h >> r; + + return h; + #else + zpl_u64 h; + zpl_u32 const m = 0x5bd1e995; + zpl_i32 const r = 24; + + zpl_u32 h1 = cast(zpl_u32)(seed) ^ cast(zpl_u32)(len); + zpl_u32 h2 = cast(zpl_u32)(seed >> 32); + + zpl_u32 const *data = cast(zpl_u32 const *) data_; + + while (len >= 8) { + zpl_u32 k1, k2; + k1 = *data++; + k1 *= m; + k1 ^= k1 >> r; + k1 *= m; + h1 *= m; + h1 ^= k1; + len -= 4; + + k2 = *data++; + k2 *= m; + k2 ^= k2 >> r; + k2 *= m; + h2 *= m; + h2 ^= k2; + len -= 4; + } + + if (len >= 4) { + zpl_u32 k1 = *data++; + k1 *= m; + k1 ^= k1 >> r; + k1 *= m; + h1 *= m; + h1 ^= k1; + len -= 4; + } + + switch (len) { + case 3: h2 ^= (cast(zpl_u8 const *) data)[2] << 16; + case 2: h2 ^= (cast(zpl_u8 const *) data)[1] << 8; + case 1: h2 ^= (cast(zpl_u8 const *) data)[0] << 0; h2 *= m; + }; + + h1 ^= h2 >> 18; + h1 *= m; + h2 ^= h1 >> 22; + h2 *= m; + h1 ^= h2 >> 17; + h1 *= m; + h2 ^= h1 >> 19; + h2 *= m; + + h = h1; + h = (h << 32) | h2; + + return h; + #endif + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_REGEX) + // file: source/regex.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + typedef enum zplreOp { + ZPL_RE_OP_BEGIN_CAPTURE, + ZPL_RE_OP_END_CAPTURE, + + ZPL_RE_OP_BEGINNING_OF_LINE, + ZPL_RE_OP_END_OF_LINE, + + ZPL_RE_OP_EXACT_MATCH, + ZPL_RE_OP_META_MATCH, + + ZPL_RE_OP_ANY, + ZPL_RE_OP_ANY_OF, + ZPL_RE_OP_ANY_BUT, + + ZPL_RE_OP_ZERO_OR_MORE, + ZPL_RE_OP_ONE_OR_MORE, + ZPL_RE_OP_ZERO_OR_MORE_SHORTEST, + ZPL_RE_OP_ONE_OR_MORE_SHORTEST, + ZPL_RE_OP_ZERO_OR_ONE, + + ZPL_RE_OP_BRANCH_START, + ZPL_RE_OP_BRANCH_END + } zplreOp; + + typedef enum zplreCode { + ZPL_RE_CODE_NULL = 0x0000, + ZPL_RE_CODE_WHITESPACE = 0x0100, + ZPL_RE_CODE_NOT_WHITESPACE = 0x0200, + ZPL_RE_CODE_DIGIT = 0x0300, + ZPL_RE_CODE_NOT_DIGIT = 0x0400, + ZPL_RE_CODE_ALPHA = 0x0500, + ZPL_RE_CODE_LOWER = 0x0600, + ZPL_RE_CODE_UPPER = 0x0700, + ZPL_RE_CODE_WORD = 0x0800, + ZPL_RE_CODE_NOT_WORD = 0x0900, + + ZPL_RE_CODE_XDIGIT = 0x0a00, + ZPL_RE_CODE_PRINTABLE = 0x0b00, + } zplreCode; + + typedef struct { + zpl_isize op, offset; + } zpl_re_ctx; + + enum { + ZPL_RE__NO_MATCH = -1, + ZPL_RE__INTERNAL_FAILURE = -2, + }; + + static char const ZPL_RE__META_CHARS[] = "^$()[].*+?|\\"; + static char const ZPL_RE__WHITESPACE[] = " \r\t\n\v\f"; + #define ZPL_RE__LITERAL(str) (str), zpl_size_of(str)-1 + + static zpl_re_ctx zpl_re__exec_single(zpl_re *re, zpl_isize op, char const *str, zpl_isize str_len, zpl_isize offset, zpl_re_capture *captures, zpl_isize max_capture_count); + static zpl_re_ctx zpl_re__exec(zpl_re *re, zpl_isize op, char const *str, zpl_isize str_len, zpl_isize offset, zpl_re_capture *captures, zpl_isize max_capture_count); + + static zpl_re_ctx zpl_re__ctx_no_match(zpl_isize op) { + zpl_re_ctx c; + c.op = op; + c.offset = ZPL_RE__NO_MATCH; + return c; + } + + static zpl_re_ctx zpl_re__ctx_internal_failure(zpl_isize op) { + zpl_re_ctx c; + c.op = op; + c.offset = ZPL_RE__INTERNAL_FAILURE; + return c; + } + + static zpl_u8 zpl_re__hex(char const *s) { + return ((zpl_char_to_hex_digit(*s) << 4) & 0xf0) | (zpl_char_to_hex_digit(*(s+1)) & 0x0f); + } + + static zpl_isize zpl_re__strfind(char const *s, zpl_isize len, char c, zpl_isize offset) { + if (offset < len) { + char const *found = (char const *)zpl_memchr(s+offset, c, len-offset); + if (found) + return found - s; + } + + return -1; + } + + static zpl_b32 zpl_re__match_escape(char c, int code) { + switch (code) { + case ZPL_RE_CODE_NULL: return c == 0; + case ZPL_RE_CODE_WHITESPACE: return zpl_re__strfind(ZPL_RE__LITERAL(ZPL_RE__WHITESPACE), c, 0) >= 0; + case ZPL_RE_CODE_NOT_WHITESPACE: return zpl_re__strfind(ZPL_RE__LITERAL(ZPL_RE__WHITESPACE), c, 0) < 0; + case ZPL_RE_CODE_DIGIT: return (c >= '0' && c <= '9'); + case ZPL_RE_CODE_NOT_DIGIT: return !(c >= '0' && c <= '9'); + case ZPL_RE_CODE_ALPHA: return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'); + case ZPL_RE_CODE_LOWER: return (c >= 'a' && c <= 'z'); + case ZPL_RE_CODE_UPPER: return (c >= 'A' && c <= 'Z'); + + /* TODO(bill): Make better? */ + case ZPL_RE_CODE_WORD: return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '_'; + case ZPL_RE_CODE_NOT_WORD: return !((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '_'); + + /* TODO(bill): Maybe replace with between tests? */ + case ZPL_RE_CODE_XDIGIT: return zpl_re__strfind(ZPL_RE__LITERAL("0123456789ABCDEFabcdef"), c, 0) >= 0; + case ZPL_RE_CODE_PRINTABLE: return c >= 0x20 && c <= 0x7e; + default: break; + } + + return 0; + } + + static zpl_re_ctx zpl_re__consume(zpl_re *re, zpl_isize op, char const *str, zpl_isize str_len, zpl_isize offset, zpl_re_capture *captures, zpl_isize max_capture_count, zpl_b32 is_greedy) + { + zpl_re_ctx c, best_c, next_c; + + c.op = op; + c.offset = offset; + + best_c.op = ZPL_RE__NO_MATCH; + best_c.offset = offset; + + for (;;) { + c = zpl_re__exec_single(re, op, str, str_len, c.offset, 0, 0); + if (c.offset > str_len || c.offset == -1) break; + if (c.op >= re->buf_len) return c; + + next_c = zpl_re__exec(re, c.op, str, str_len, c.offset, captures, max_capture_count); + if (next_c.offset <= str_len) { + if (captures) + zpl_re__exec(re, c.op, str, str_len, c.offset, captures, max_capture_count); + + best_c = next_c; + if (!is_greedy) break; + } + + if (best_c.op > re->buf_len) + best_c.op = c.op; + + } + + return best_c; + } + + static zpl_re_ctx zpl_re__exec_single(zpl_re *re, zpl_isize op, char const *str, zpl_isize str_len, zpl_isize offset, zpl_re_capture *captures, zpl_isize max_capture_count) { + zpl_re_ctx ctx; + zpl_isize buffer_len; + zpl_isize match_len; + zpl_isize next_op; + zpl_isize skip; + + switch (re->buf[op++]) { + case ZPL_RE_OP_BEGIN_CAPTURE: { + zpl_u8 capture = re->buf[op++]; + if (captures && (capture < max_capture_count)) + captures[capture].str = str + offset; + } break; + + case ZPL_RE_OP_END_CAPTURE: { + zpl_u8 capture = re->buf[op++]; + if (captures && (capture < max_capture_count)) + captures[capture].len = (str + offset) - captures[capture].str; + } break; + + case ZPL_RE_OP_BEGINNING_OF_LINE: { + if (offset != 0) + return zpl_re__ctx_no_match(op); + } break; + + case ZPL_RE_OP_END_OF_LINE: { + if (offset != str_len) + return zpl_re__ctx_no_match(op); + } break; + + case ZPL_RE_OP_BRANCH_START: { + skip = re->buf[op++]; + ctx = zpl_re__exec(re, op, str, str_len, offset, captures, max_capture_count); + if (ctx.offset <= str_len) { + offset = ctx.offset; + op = ctx.op; + } else { + ctx = zpl_re__exec(re, op + skip, str, str_len, offset, captures, max_capture_count); + offset = ctx.offset; + op = ctx.op; + } + } break; + + case ZPL_RE_OP_BRANCH_END: { + skip = re->buf[op++]; + op += skip; + } break; + + case ZPL_RE_OP_ANY: { + if (offset < str_len) { + offset++; + break; + } + return zpl_re__ctx_no_match(op); + } break; + + case ZPL_RE_OP_ANY_OF: { + zpl_isize i; + char cin = str[offset]; + buffer_len = re->buf[op++]; + + if (offset >= str_len) + return zpl_re__ctx_no_match(op + buffer_len); + + for (i = 0; i < buffer_len; i++) { + char cmatch = (char)re->buf[op+i]; + if (!cmatch) { + i++; + if (zpl_re__match_escape(cin, re->buf[op+i] << 8)) + break; + } else if (cin == cmatch) { + break; + } + } + + if (i == buffer_len) + return zpl_re__ctx_no_match(op + buffer_len); + + offset++; + op += buffer_len; + } break; + + case ZPL_RE_OP_ANY_BUT: { + zpl_isize i; + char cin = str[offset]; + buffer_len = re->buf[op++]; + + if (offset >= str_len) + return zpl_re__ctx_no_match(op + buffer_len); + + for (i = 0; i < buffer_len; i++) { + char cmatch = (char)re->buf[op + i]; + if (!cmatch) { + i++; + if (zpl_re__match_escape(cin, re->buf[op+i] << 8)) + return zpl_re__ctx_no_match(op + buffer_len); + } else if (cin == cmatch) { + return zpl_re__ctx_no_match(op + buffer_len); + } + } + + offset++; + op += buffer_len; + } break; + + case ZPL_RE_OP_EXACT_MATCH: { + match_len = re->buf[op++]; + + if ((match_len > (str_len - offset)) || + zpl_strncmp(str+offset, (const char*)re->buf + op, match_len) != 0) + return zpl_re__ctx_no_match(op + match_len); + + op += match_len; + offset += match_len; + } break; + + case ZPL_RE_OP_META_MATCH: { + char cin = (char)re->buf[op++]; + char cmatch = str[offset++]; + + if (!cin) { + if (zpl_re__match_escape(cmatch, re->buf[op++] << 8)) + break; + } + else if (cin == cmatch) break; + + return zpl_re__ctx_no_match(op); + } break; + + case ZPL_RE_OP_ZERO_OR_MORE: { + ctx = zpl_re__consume(re, op, str, str_len, offset, captures, max_capture_count, 1); + offset = ctx.offset; + op = ctx.op; + } break; + + case ZPL_RE_OP_ONE_OR_MORE: { + ctx = zpl_re__exec_single(re, op, str, str_len, offset, captures, max_capture_count); + + if (ctx.offset > str_len) + return ctx; + + ctx = zpl_re__consume(re, op, str, str_len, offset, captures, max_capture_count, 1); + offset = ctx.offset; + op = ctx.op; + } break; + + case ZPL_RE_OP_ZERO_OR_MORE_SHORTEST: { + ctx = zpl_re__consume(re, op, str, str_len, offset, captures, max_capture_count, 0); + offset = ctx.offset; + op = ctx.op; + } break; + + case ZPL_RE_OP_ONE_OR_MORE_SHORTEST: { + ctx = zpl_re__exec_single(re, op, str, str_len, offset, captures, max_capture_count); + + if (ctx.offset > str_len) + return ctx; + + ctx = zpl_re__consume(re, op, str, str_len, offset, captures, max_capture_count, 0); + offset = ctx.offset; + op = ctx.op; + } break; + + case ZPL_RE_OP_ZERO_OR_ONE: { + ctx = zpl_re__exec_single(re, op, str, str_len, offset, captures, max_capture_count); + + if (ctx.offset <= str_len) { + zpl_re_ctx possible_ctx = zpl_re__exec(re, ctx.op, str, str_len, ctx.offset, captures, max_capture_count); + + if (possible_ctx.offset <= str_len) { + op = possible_ctx.op; + offset = possible_ctx.offset; + break; + } + } + + next_op = ctx.op; + ctx = zpl_re__exec(re, next_op, str, str_len, offset, captures, max_capture_count); + + if (ctx.offset <= str_len) { + op = ctx.op; + offset = ctx.offset; + break; + } + return zpl_re__ctx_no_match(op); + } break; + + default: { + return zpl_re__ctx_internal_failure(op); + } break; + } + + ctx.op = op; + ctx.offset = offset; + + return ctx; + } + + static zpl_re_ctx zpl_re__exec(zpl_re *re, zpl_isize op, char const *str, zpl_isize str_len, zpl_isize offset, zpl_re_capture *captures, zpl_isize max_capture_count) { + zpl_re_ctx c; + c.op = op; + c.offset = offset; + + while (c.op < re->buf_len) { + c = zpl_re__exec_single(re, c.op, str, str_len, c.offset, captures, max_capture_count); + + if (c.offset > str_len || c.offset == -1) + break; + } + + return c; + } + + static zpl_regex_error zpl_re__emit_ops(zpl_re *re, zpl_isize op_count, ...) { + va_list va; + + if (re->buf_len + op_count > re->buf_cap) { + if (!re->can_realloc) { + return ZPL_RE_ERROR_TOO_LONG; + } + else { + zpl_isize new_cap = (re->buf_cap*2) + op_count; + re->buf = (char *)zpl_resize(re->backing, re->buf, re->buf_cap, new_cap); + re->buf_cap = new_cap; + } + } + + va_start(va, op_count); + for (zpl_isize i = 0; i < op_count; i++) + { + zpl_i32 v = va_arg(va, zpl_i32); + if (v > 256) + return ZPL_RE_ERROR_TOO_LONG; + re->buf[re->buf_len++] = (char)v; + } + va_end(va); + + return ZPL_RE_ERROR_NONE; + } + + static zpl_regex_error zpl_re__emit_ops_buffer(zpl_re *re, zpl_isize op_count, char const *buffer) { + if (re->buf_len + op_count > re->buf_cap) { + if (!re->can_realloc) { + return ZPL_RE_ERROR_TOO_LONG; + } + else { + zpl_isize new_cap = (re->buf_cap*2) + op_count; + re->buf = (char *)zpl_resize(re->backing, re->buf, re->buf_cap, new_cap); + re->buf_cap = new_cap; + } + } + + for (zpl_isize i = 0; i < op_count; i++) + { + re->buf[re->buf_len++] = buffer[i]; + } + + return ZPL_RE_ERROR_NONE; + } + + static int zpl_re__encode_escape(char code) { + switch (code) { + default: break; /* NOTE(bill): It's a normal character */ + + /* TODO(bill): Are there anymore? */ + case 't': return '\t'; + case 'n': return '\n'; + case 'r': return '\r'; + case 'f': return '\f'; + case 'v': return '\v'; + + case '0': return ZPL_RE_CODE_NULL; + + case 's': return ZPL_RE_CODE_WHITESPACE; + case 'S': return ZPL_RE_CODE_NOT_WHITESPACE; + + case 'd': return ZPL_RE_CODE_DIGIT; + case 'D': return ZPL_RE_CODE_NOT_DIGIT; + + case 'a': return ZPL_RE_CODE_ALPHA; + case 'l': return ZPL_RE_CODE_LOWER; + case 'u': return ZPL_RE_CODE_UPPER; + + case 'w': return ZPL_RE_CODE_WORD; + case 'W': return ZPL_RE_CODE_NOT_WORD; + + case 'x': return ZPL_RE_CODE_XDIGIT; + case 'p': return ZPL_RE_CODE_PRINTABLE; + } + return code; + } + + static zpl_regex_error zpl_re__parse_group(zpl_re *re, char const *pattern, zpl_isize len, zpl_isize offset, zpl_isize *new_offset) { + zpl_regex_error err = ZPL_RE_ERROR_NONE; + char buffer[256] = {0}; + zpl_isize buffer_len = 0, buffer_cap = zpl_size_of(buffer); + zpl_b32 closed = 0; + zplreOp op = ZPL_RE_OP_ANY_OF; + + if (pattern[offset] == '^') { + offset++; + op = ZPL_RE_OP_ANY_BUT; + } + + while(!closed && + err == ZPL_RE_ERROR_NONE && + offset < len) + { + if (pattern[offset] == ']') { + err = zpl_re__emit_ops(re, 2, (zpl_i32)op, (zpl_i32)buffer_len); + if (err) break; + + err = zpl_re__emit_ops_buffer(re, buffer_len, (const char*)buffer); + if (err) break; + offset++; + closed = 1; + break; + } + + if (buffer_len >= buffer_cap) + return ZPL_RE_ERROR_TOO_LONG; + + if (pattern[offset] == '\\') { + offset++; + + if ((offset + 1 < len) && zpl_char_is_hex_digit(*(pattern+offset))) { + buffer[buffer_len++] = zpl_re__hex((pattern+offset)); + offset++; + } + else if (offset < len) { + zpl_i32 code = zpl_re__encode_escape(pattern[offset]); + + if (!code || code > 0xff) { + buffer[buffer_len++] = 0; + + if (buffer_len >= buffer_cap) + return ZPL_RE_ERROR_TOO_LONG; + + buffer[buffer_len++] = (code >> 8) & 0xff; + } + else { + buffer[buffer_len++] = code & 0xff; + } + } + } + else { + buffer[buffer_len++] = (unsigned char)pattern[offset]; + } + + offset++; + } + + if (err) return err; + if (!closed) return ZPL_RE_ERROR_MISMATCHED_BLOCKS; + if (new_offset) *new_offset = offset; + return ZPL_RE_ERROR_NONE; + } + + static zpl_regex_error zpl_re__compile_quantifier(zpl_re *re, zpl_isize last_buf_len, unsigned char quantifier) { + zpl_regex_error err; + zpl_isize move_size; + + if ((re->buf[last_buf_len] == ZPL_RE_OP_EXACT_MATCH) && + (re->buf[last_buf_len+1] > 1)) + { + unsigned char last_char = re->buf[re->buf_len-1]; + + re->buf[last_buf_len+1]--; + re->buf_len--; + err = zpl_re__emit_ops(re, 4, (zpl_i32)quantifier, (zpl_i32)ZPL_RE_OP_EXACT_MATCH, 1, (zpl_i32)last_char); + if (err) return err; + return ZPL_RE_ERROR_NONE; + } + + move_size = re->buf_len - last_buf_len + 1; + + err = zpl_re__emit_ops(re, 1, 0); + if (err) return err; + + zpl_memmove(re->buf+last_buf_len+1, re->buf+last_buf_len, move_size); + re->buf[last_buf_len] = quantifier; + + return ZPL_RE_ERROR_NONE; + } + + static zpl_regex_error zpl_re__parse(zpl_re *re, char const *pattern, zpl_isize len, zpl_isize offset, zpl_isize level, zpl_isize *new_offset) { + zpl_regex_error err = ZPL_RE_ERROR_NONE; + zpl_isize last_buf_len = re->buf_len; + zpl_isize branch_begin = re->buf_len; + zpl_isize branch_op = -1; + + while (offset < len) { + switch (pattern[offset++]) { + case '^': { + err = zpl_re__emit_ops(re, 1, ZPL_RE_OP_BEGINNING_OF_LINE); + if (err) return err; + } break; + + case '$': { + err = zpl_re__emit_ops(re, 1, ZPL_RE_OP_END_OF_LINE); + if (err) return err; + } break; + + case '(': { + zpl_isize capture = re->capture_count++; + last_buf_len = re->buf_len; + err = zpl_re__emit_ops(re, 2, ZPL_RE_OP_BEGIN_CAPTURE, (zpl_i32)capture); + if (err) return err; + + err = zpl_re__parse(re, pattern, len, offset, level+1, &offset); + + if ((offset > len) || (pattern[offset-1] != ')')) + return ZPL_RE_ERROR_MISMATCHED_CAPTURES; + + err = zpl_re__emit_ops(re, 2, ZPL_RE_OP_END_CAPTURE, (zpl_i32)capture); + if (err) return err; + } break; + + case ')': { + if (branch_op != -1) + re->buf[branch_op + 1] = (unsigned char)(re->buf_len - (branch_op+2)); + + if (level == 0) + return ZPL_RE_ERROR_MISMATCHED_CAPTURES; + + if (new_offset) *new_offset = offset; + return ZPL_RE_ERROR_NONE; + } break; + + case '[': { + last_buf_len = re->buf_len; + err = zpl_re__parse_group(re, pattern, len, offset, &offset); + if (offset > len) + return err; + } break; + + /* NOTE(bill): Branching magic! */ + case '|': { + if (branch_begin >= re->buf_len) { + return ZPL_RE_ERROR_BRANCH_FAILURE; + } else { + zpl_isize size = re->buf_len - branch_begin; + err = zpl_re__emit_ops(re, 4, 0, 0, ZPL_RE_OP_BRANCH_END, 0); + if (err) return err; + + zpl_memmove(re->buf + branch_begin + 2, re->buf + branch_begin, size); + re->buf[branch_begin] = ZPL_RE_OP_BRANCH_START; + re->buf[branch_begin+1] = (size+2) & 0xff; + branch_op = re->buf_len-2; + } + } break; + + case '.': { + last_buf_len = re->buf_len; + err = zpl_re__emit_ops(re, 1, ZPL_RE_OP_ANY); + if (err) return err; + } break; + + case '*': + case '+': + { + unsigned char quantifier = ZPL_RE_OP_ONE_OR_MORE; + if (pattern[offset-1] == '*') + quantifier = ZPL_RE_OP_ZERO_OR_MORE; + + if (last_buf_len >= re->buf_len) + return ZPL_RE_ERROR_INVALID_QUANTIFIER; + if ((re->buf[last_buf_len] < ZPL_RE_OP_EXACT_MATCH) || + (re->buf[last_buf_len] > ZPL_RE_OP_ANY_BUT)) + return ZPL_RE_ERROR_INVALID_QUANTIFIER; + + if ((offset < len) && (pattern[offset] == '?')) { + quantifier = ZPL_RE_OP_ONE_OR_MORE_SHORTEST; + if (quantifier == ZPL_RE_OP_ZERO_OR_MORE) + quantifier = ZPL_RE_OP_ZERO_OR_MORE_SHORTEST; + offset++; + } + + err = zpl_re__compile_quantifier(re, last_buf_len, quantifier); + if (err) return err; + } break; + + case '?': { + if (last_buf_len >= re->buf_len) + return ZPL_RE_ERROR_INVALID_QUANTIFIER; + if ((re->buf[last_buf_len] < ZPL_RE_OP_EXACT_MATCH) || + (re->buf[last_buf_len] > ZPL_RE_OP_ANY_BUT)) + return ZPL_RE_ERROR_INVALID_QUANTIFIER; + + err = zpl_re__compile_quantifier(re, last_buf_len, + (unsigned char)ZPL_RE_OP_ZERO_OR_ONE); + if (err) return err; + } break; + + case '\\': { + last_buf_len = re->buf_len; + if ((offset+1 < len) && zpl_char_is_hex_digit(*(pattern+offset))) { + unsigned char hex_value = zpl_re__hex((pattern+offset)); + offset += 2; + err = zpl_re__emit_ops(re, 2, ZPL_RE_OP_META_MATCH, (int)hex_value); + if (err) return err; + } else if (offset < len) { + int code = zpl_re__encode_escape(pattern[offset++]); + if (!code || (code > 0xff)) { + err = zpl_re__emit_ops(re, 3, ZPL_RE_OP_META_MATCH, 0, (int)((code >> 8) & 0xff)); + if (err) return err; + } else { + err = zpl_re__emit_ops(re, 2, ZPL_RE_OP_META_MATCH, (int)code); + if (err) return err; + } + } + } break; + + /* NOTE(bill): Exact match */ + default: { + char const *match_start; + zpl_isize size = 0; + offset--; + match_start = pattern+offset; + while ((offset < len) && + (zpl_re__strfind(ZPL_RE__LITERAL(ZPL_RE__META_CHARS), pattern[offset], 0) < 0)) { + size++, offset++; + } + + last_buf_len = re->buf_len; + err = zpl_re__emit_ops(re, 2, ZPL_RE_OP_EXACT_MATCH, (int)size); + if (err) return err; + err = zpl_re__emit_ops_buffer(re, size, (char const *)match_start); + if (err) return err; + } break; + } + } + + if (new_offset) *new_offset = offset; + return ZPL_RE_ERROR_NONE; + } + + zpl_regex_error zpl_re_compile_from_buffer(zpl_re *re, char const *pattern, zpl_isize pattern_len, void *buffer, zpl_isize buffer_len) { + zpl_regex_error err; + re->capture_count = 0; + re->buf = (char *)buffer; + re->buf_len = 0; + re->buf_cap = re->buf_len; + re->can_realloc = 0; + + err = zpl_re__parse(re, pattern, pattern_len, 0, 0, 0); + return err; + } + + zpl_regex_error zpl_re_compile(zpl_re *re, zpl_allocator backing, char const *pattern, zpl_isize pattern_len) { + zpl_regex_error err; + zpl_isize cap = pattern_len+128; + zpl_isize offset = 0; + + re->backing = backing; + re->capture_count = 0; + re->buf = (char *)zpl_alloc(backing, cap); + re->buf_len = 0; + re->buf_cap = cap; + re->can_realloc = 1; + + err = zpl_re__parse(re, pattern, pattern_len, 0, 0, &offset); + + if (offset != pattern_len) + zpl_free(backing, re->buf); + + return err; + } + + zpl_isize zpl_re_capture_count(zpl_re *re) { return re->capture_count; } + + zpl_b32 zpl_re_match(zpl_re *re, char const *str, zpl_isize len, zpl_re_capture *captures, zpl_isize max_capture_count, zpl_isize *offset) { + if (re && re->buf_len > 0) { + if (re->buf[0] == ZPL_RE_OP_BEGINNING_OF_LINE) { + zpl_re_ctx c = zpl_re__exec(re, 0, str, len, 0, captures, max_capture_count); + if (c.offset >= 0 && c.offset <= len) { if (offset) *offset = c.offset; return 1; }; + if (c.offset == ZPL_RE__INTERNAL_FAILURE) return 0; + } else { + zpl_isize i; + for (i = 0; i < len; i++) { + zpl_re_ctx c = zpl_re__exec(re, 0, str, len, i, captures, max_capture_count); + if (c.offset >= 0 && c.offset <= len) { if (offset) *offset = c.offset; return 1; }; + if (c.offset == ZPL_RE__INTERNAL_FAILURE) return 0; + } + } + return 0; + } + return 1; + } + + + zpl_b32 zpl_re_match_all(zpl_re *re, char const *str, zpl_isize str_len, zpl_isize max_capture_count, + zpl_re_capture **out_captures) + { + char *end = (char *)str + str_len; + char *p = (char *)str; + + zpl_buffer_make(zpl_re_capture, cps, zpl_heap(), max_capture_count); + + zpl_isize offset = 0; + + while (p < end) + { + zpl_b32 ok = zpl_re_match(re, p, end - p, cps, max_capture_count, &offset); + if (!ok) { + zpl_buffer_free(cps); + return false; + } + + p += offset; + + for (zpl_isize i = 0; i < max_capture_count; i++) { + zpl_array_append(*out_captures, cps[i]); + } + } + + zpl_buffer_free(cps); + + return true; + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_DLL) + // file: source/dll.c + + #ifdef ZPL_EDITOR + #include + #endif + + #if defined(ZPL_SYSTEM_UNIX) || defined(ZPL_SYSTEM_MACOS) + #include + #endif + + ZPL_BEGIN_C_DECLS + + //////////////////////////////////////////////////////////////// + // + // DLL Handling + // + // + + #if defined(ZPL_SYSTEM_WINDOWS) + zpl_dll_handle zpl_dll_load(char const *filepath) { + return cast(zpl_dll_handle) LoadLibraryA(filepath); + } + + void zpl_dll_unload(zpl_dll_handle dll) { + FreeLibrary(cast(HMODULE) dll); + } + + zpl_dll_proc zpl_dll_proc_address(zpl_dll_handle dll, char const *proc_name) { + return cast(zpl_dll_proc) GetProcAddress(cast(HMODULE) dll, proc_name); + } + + #else // POSIX + + zpl_dll_handle zpl_dll_load(char const *filepath) { + return cast(zpl_dll_handle) dlopen(filepath, RTLD_LAZY | RTLD_GLOBAL); + } + + void zpl_dll_unload(zpl_dll_handle dll) { + dlclose(dll); + } + + zpl_dll_proc zpl_dll_proc_address(zpl_dll_handle dll, char const *proc_name) { + return cast(zpl_dll_proc) dlsym(dll, proc_name); + } + + #endif + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_OPTS) + // file: source/opts.c + + //////////////////////////////////////////////////////////////// + // + // CLI Options + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + void zpl_opts_init(zpl_opts *opts, zpl_allocator a, char const *app) { + zpl_opts opts_ = { 0 }; + *opts = opts_; + opts->alloc = a; + opts->appname = app; + + zpl_array_init(opts->entries, a); + zpl_array_init(opts->positioned, a); + zpl_array_init(opts->errors, a); + } + + void zpl_opts_free(zpl_opts *opts) { + for (zpl_i32 i = 0; i < zpl_array_count(opts->entries); ++i) { + zpl_opts_entry *e = opts->entries + i; + if (e->type == ZPL_OPTS_STRING) { + zpl_string_free(e->text); + } + } + + zpl_array_free(opts->entries); + zpl_array_free(opts->positioned); + zpl_array_free(opts->errors); + } + + void zpl_opts_add(zpl_opts *opts, char const *name, char const *lname, const char *desc, zpl_u8 type) { + zpl_opts_entry e = { 0 }; + + e.name = name; + e.lname = lname; + e.desc = desc; + e.type = type; + e.met = false; + e.pos = false; + + zpl_array_append(opts->entries, e); + } + + zpl_opts_entry *zpl__opts_find(zpl_opts *opts, char const *name, zpl_usize len, zpl_b32 longname) { + zpl_opts_entry *e = 0; + + for (int i = 0; i < zpl_array_count(opts->entries); ++i) { + e = opts->entries + i; + char const *n = (longname ? e->lname : e->name); + + if (zpl_strnlen(name, len) == zpl_strlen(n) && !zpl_strncmp(n, name, len)) { return e; } + } + + return NULL; + } + + void zpl_opts_positional_add(zpl_opts *opts, char const *name) { + zpl_opts_entry *e = zpl__opts_find(opts, name, zpl_strlen(name), true); + + if (e) { + e->pos = true; + zpl_array_append_at(opts->positioned, e, 0); + } + } + + zpl_b32 zpl_opts_positionals_filled(zpl_opts *opts) { return zpl_array_count(opts->positioned) == 0; } + + zpl_string zpl_opts_string(zpl_opts *opts, char const *name, char const *fallback) { + zpl_opts_entry *e = zpl__opts_find(opts, name, zpl_strlen(name), true); + + return (char *)((e && e->met) ? e->text : fallback); + } + + zpl_f64 zpl_opts_real(zpl_opts *opts, char const *name, zpl_f64 fallback) { + zpl_opts_entry *e = zpl__opts_find(opts, name, zpl_strlen(name), true); + + return (e && e->met) ? e->real : fallback; + } + + zpl_i64 zpl_opts_integer(zpl_opts *opts, char const *name, zpl_i64 fallback) { + zpl_opts_entry *e = zpl__opts_find(opts, name, zpl_strlen(name), true); + + return (e && e->met) ? e->integer : fallback; + } + + void zpl__opts_set_value(zpl_opts *opts, zpl_opts_entry *t, char *b) { + t->met = true; + + switch (t->type) { + case ZPL_OPTS_STRING: { + t->text = zpl_string_make(opts->alloc, b); + } break; + + case ZPL_OPTS_FLOAT: { + t->real = zpl_str_to_f64(b, NULL); + } break; + + case ZPL_OPTS_INT: { + t->integer = zpl_str_to_i64(b, NULL, 10); + } break; + } + + for (zpl_isize i=0; i < zpl_array_count(opts->positioned); i++) { + if (!zpl_strcmp(opts->positioned[i]->lname, t->lname)) { + zpl_array_remove_at(opts->positioned, i); + break; + } + } + } + + zpl_b32 zpl_opts_has_arg(zpl_opts *opts, char const *name) { + zpl_opts_entry *e = zpl__opts_find(opts, name, zpl_strlen(name), true); + + if (e) { return e->met; } + + return false; + } + + void zpl_opts_print_help(zpl_opts *opts) { + zpl_printf("USAGE: %s", opts->appname); + + for (zpl_isize i = zpl_array_count(opts->entries); i >= 0; --i) { + zpl_opts_entry *e = opts->entries + i; + + if (e->pos == (zpl_b32) true) { zpl_printf(" [%s]", e->lname); } + } + + zpl_printf("\nOPTIONS:\n"); + + for (zpl_isize i = 0; i < zpl_array_count(opts->entries); ++i) { + zpl_opts_entry *e = opts->entries + i; + + zpl_printf("\t-%s, --%s: %s\n", e->name, e->lname, e->desc); + } + } + + void zpl_opts_print_errors(zpl_opts *opts) { + for (int i = 0; i < zpl_array_count(opts->errors); ++i) { + zpl_opts_err *err = (opts->errors + i); + + zpl_printf("ERROR: "); + + switch (err->type) { + case ZPL_OPTS_ERR_OPTION: zpl_printf("Invalid option \"%s\"", err->val); break; + + case ZPL_OPTS_ERR_VALUE: zpl_printf("Invalid value \"%s\"", err->val); break; + + case ZPL_OPTS_ERR_MISSING_VALUE: zpl_printf("Missing value for option \"%s\"", err->val); break; + + case ZPL_OPTS_ERR_EXTRA_VALUE: zpl_printf("Extra value for option \"%s\"", err->val); break; + } + + zpl_printf("\n"); + } + } + + void zpl__opts_push_error(zpl_opts *opts, char *b, zpl_u8 errtype) { + zpl_opts_err err = { 0 }; + err.val = b; + err.type = errtype; + zpl_array_append(opts->errors, err); + } + + zpl_b32 zpl_opts_compile(zpl_opts *opts, int argc, char **argv) { + zpl_b32 had_errors = false; + for (int i = 1; i < argc; ++i) { + char *p = argv[i]; + + if (*p) { + p = zpl_str_trim(p, false); + if (*p == '-') { + zpl_opts_entry *t = 0; + zpl_b32 checkln = false; + if (*(p + 1) == '-') { + checkln = true; + ++p; + } + + char *b = p + 1, *e = b; + + while (zpl_char_is_alphanumeric(*e)) { ++e; } + + t = zpl__opts_find(opts, b, (e - b), checkln); + + if (t) { + char *ob = b; + b = e; + + /**/ if (*e == '=') { + if (t->type == ZPL_OPTS_FLAG) { + *e = '\0'; + zpl__opts_push_error(opts, ob, ZPL_OPTS_ERR_EXTRA_VALUE); + had_errors = true; + continue; + } + + b = e = e + 1; + } else if (*e == '\0') { + char *sp = argv[i+1]; + + if (sp && *sp != '-' && (zpl_array_count(opts->positioned) < 1 || t->type != ZPL_OPTS_FLAG)) { + if (t->type == ZPL_OPTS_FLAG) { + zpl__opts_push_error(opts, b, ZPL_OPTS_ERR_EXTRA_VALUE); + had_errors = true; + continue; + } + + p = sp; + b = e = sp; + ++i; + } else { + if (t->type != ZPL_OPTS_FLAG) { + zpl__opts_push_error(opts, ob, ZPL_OPTS_ERR_MISSING_VALUE); + had_errors = true; + continue; + } + t->met = true; + continue; + } + } + + e = zpl_str_control_skip(e, '\0'); + zpl__opts_set_value(opts, t, b); + } else { + zpl__opts_push_error(opts, b, ZPL_OPTS_ERR_OPTION); + had_errors = true; + } + } else if (zpl_array_count(opts->positioned)) { + zpl_opts_entry *l = zpl_array_back(opts->positioned); + zpl_array_pop(opts->positioned); + zpl__opts_set_value(opts, l, p); + } else { + zpl__opts_push_error(opts, p, ZPL_OPTS_ERR_VALUE); + had_errors = true; + } + } + } + return !had_errors; + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_PROCESS) + // file: source/process.c + + //////////////////////////////////////////////////////////////// + // + // Process creation and manipulation methods + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + static ZPL_ALWAYS_INLINE void zpl__pr_close_file_handle(zpl_file *f) { + ZPL_ASSERT_NOT_NULL(f); + f->fd.p = NULL; + } + + static ZPL_ALWAYS_INLINE void zpl__pr_close_file_handles(zpl_pr *process) { + ZPL_ASSERT_NOT_NULL(process); + + zpl__pr_close_file_handle(&process->in); + zpl__pr_close_file_handle(&process->out); + zpl__pr_close_file_handle(&process->err); + + process->f_stdin = process->f_stdout = process->f_stderr = NULL; + + #ifdef ZPL_SYSTEM_WINDOWS + process->win32_handle = NULL; + #else + ZPL_NOT_IMPLEMENTED; + #endif + } + + enum { + ZPL_PR_HANDLE_MODE_READ, + ZPL_PR_HANDLE_MODE_WRITE, + ZPL_PR_HANDLE_MODES, + }; + + void *zpl__pr_open_handle(zpl_u8 type, const char *mode, void **handle) { + #ifdef ZPL_SYSTEM_WINDOWS + void *pipes[ZPL_PR_HANDLE_MODES]; + zpl_i32 fd; + + const zpl_u32 flag_inherit = 0x00000001; + SECURITY_ATTRIBUTES sa = {zpl_size_of(sa), 0, 1}; + + if (!CreatePipe(&pipes[0], &pipes[1], cast(LPSECURITY_ATTRIBUTES)&sa, 0)) { + return NULL; + } + + if (!SetHandleInformation(pipes[type], flag_inherit, 0)) { + return NULL; + } + + fd = _open_osfhandle(cast(zpl_intptr)pipes[type], 0); + + if (fd != -1) { + *handle = pipes[1-type]; + return _fdopen(fd, mode); + } + + return NULL; + #else + ZPL_NOT_IMPLEMENTED; + return NULL; + #endif + } + + zpl_i32 zpl_pr_create(zpl_pr *process, const char **args, zpl_isize argc, zpl_pr_si si, zpl_pr_opts options) { + ZPL_ASSERT_NOT_NULL(process); + zpl_zero_item(process); + + #ifdef ZPL_SYSTEM_WINDOWS + zpl_string cli, env; + zpl_b32 c_env=false; + STARTUPINFOW psi = {0}; + PROCESS_INFORMATION pi = {0}; + zpl_i32 err_code = 0; + zpl_allocator a = zpl_heap(); + const zpl_u32 use_std_handles = 0x00000100; + + psi.cb = zpl_size_of(psi); + psi.dwFlags = use_std_handles | si.flags; + + if (options & ZPL_PR_OPTS_CUSTOM_ENV) { + env = zpl_string_join(zpl_heap(), cast(const char**)si.env, si.env_count, "\0\0"); + env = zpl_string_appendc(env, "\0"); + c_env = true; + } + else if (!(options & ZPL_PR_OPTS_INHERIT_ENV)) { + env = (zpl_string)"\0\0\0\0"; + } else { + env = (zpl_string)NULL; + } + + process->f_stdin = zpl__pr_open_handle(ZPL_PR_HANDLE_MODE_WRITE, "wb", &psi.hStdInput); + process->f_stdout = zpl__pr_open_handle(ZPL_PR_HANDLE_MODE_READ, "rb", &psi.hStdOutput); + + if (options & ZPL_PR_OPTS_COMBINE_STD_OUTPUT) { + process->f_stderr = process->f_stdout; + psi.hStdError = psi.hStdOutput; + } else { + process->f_stderr = zpl__pr_open_handle(ZPL_PR_HANDLE_MODE_READ, "rb", &psi.hStdError); + } + + cli = zpl_string_join(zpl_heap(), args, argc, " "); + + psi.dwX = si.posx; + psi.dwY = si.posy; + psi.dwXSize = si.resx; + psi.dwYSize = si.resy; + psi.dwXCountChars = si.bufx; + psi.dwYCountChars = si.bufy; + psi.dwFillAttribute = si.fill_attr; + psi.wShowWindow = si.show_window; + + wchar_t *w_cli = zpl__alloc_utf8_to_ucs2(a, cli, NULL); + wchar_t *w_workdir = zpl__alloc_utf8_to_ucs2(a, si.workdir, NULL); + + if (!CreateProcessW( + NULL, + w_cli, + NULL, + NULL, + 1, + 0, + env, + w_workdir, + cast(LPSTARTUPINFOW)&psi, + cast(LPPROCESS_INFORMATION)&pi + )) { + err_code = -1; + goto pr_free_data; + } + + process->win32_handle = pi.hProcess; + CloseHandle(pi.hThread); + + zpl_file_connect_handle(&process->in, process->f_stdin); + zpl_file_connect_handle(&process->out, process->f_stdout); + zpl_file_connect_handle(&process->err, process->f_stderr); + + pr_free_data: + zpl_string_free(cli); + zpl_free(a, w_cli); + zpl_free(a, w_workdir); + + if (c_env) + zpl_string_free(env); + + return err_code; + + #else + ZPL_NOT_IMPLEMENTED; + return -1; + #endif + } + + + zpl_i32 zpl_pr_join(zpl_pr *process) { + zpl_i32 ret_code; + + ZPL_ASSERT_NOT_NULL(process); + + #ifdef ZPL_SYSTEM_WINDOWS + if (process->f_stdin) { + fclose(cast(FILE *)process->f_stdin); + } + + WaitForSingleObject(process->win32_handle, INFINITE); + + if (!GetExitCodeProcess(process->win32_handle, cast(LPDWORD)&ret_code)) { + zpl_pr_destroy(process); + return -1; + } + + zpl_pr_destroy(process); + + return ret_code; + #else + ZPL_NOT_IMPLEMENTED; + ret_code = -1; + return ret_code; + #endif + } + + void zpl_pr_destroy(zpl_pr *process) { + ZPL_ASSERT_NOT_NULL(process); + + #ifdef ZPL_SYSTEM_WINDOWS + if (process->f_stdin) { + fclose(cast(FILE *)process->f_stdin); + } + + fclose(cast(FILE *)process->f_stdout); + + if (process->f_stderr != process->f_stdout) { + fclose(cast(FILE *)process->f_stderr); + } + + CloseHandle(process->win32_handle); + + zpl__pr_close_file_handles(process); + #else + ZPL_NOT_IMPLEMENTED; + #endif + } + + void zpl_pr_terminate(zpl_pr *process, zpl_i32 err_code) { + ZPL_ASSERT_NOT_NULL(process); + + #ifdef ZPL_SYSTEM_WINDOWS + TerminateProcess(process->win32_handle, cast(UINT)err_code); + zpl_pr_destroy(process); + #else + ZPL_NOT_IMPLEMENTED; + #endif + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_MATH) + // file: source/math.c + + #ifdef ZPL_EDITOR + #include + #endif + + + #if !defined(ZPL_NO_MATH_H) + #include + #endif + + ZPL_BEGIN_C_DECLS + + //////////////////////////////////////////////////////////////// + // + // Math + // + + zpl_f32 zpl_to_radians(zpl_f32 degrees) { return degrees * ZPL_TAU / 360.0f; } + zpl_f32 zpl_to_degrees(zpl_f32 radians) { return radians * 360.0f / ZPL_TAU; } + + zpl_f32 zpl_angle_diff(zpl_f32 radians_a, zpl_f32 radians_b) { + zpl_f32 delta = zpl_mod(radians_b - radians_a, ZPL_TAU); + delta = zpl_mod(delta + 1.5f * ZPL_TAU, ZPL_TAU); + delta -= 0.5f * ZPL_TAU; + return delta; + } + + zpl_f32 zpl_copy_sign(zpl_f32 x, zpl_f32 y) { + zpl_i32 ix, iy; + zpl_f32 r; + zpl_memcopy(&ix, &x, zpl_size_of(x)); + zpl_memcopy(&iy, &y, zpl_size_of(y)); + + ix &= 0x7fffffff; + ix |= iy & 0x80000000; + zpl_memcopy(&r, &ix, zpl_size_of(ix)); + return r; + } + + zpl_f32 zpl_remainder(zpl_f32 x, zpl_f32 y) { return x - (zpl_round(x / y) * y); } + + zpl_f32 zpl_mod(zpl_f32 x, zpl_f32 y) { + zpl_f32 result; + y = zpl_abs(y); + result = zpl_remainder(zpl_abs(x), y); + if (zpl_sign(result)) result += y; + return zpl_copy_sign(result, x); + } + + zpl_f64 zpl_copy_sign64(zpl_f64 x, zpl_f64 y) { + zpl_i64 ix, iy; + zpl_f64 r; + zpl_memcopy(&ix, &x, zpl_size_of(x)); + zpl_memcopy(&iy, &y, zpl_size_of(y)); + + ix &= 0x7fffffffffffffff; + ix |= iy & 0x8000000000000000; + zpl_memcopy(&r, &ix, zpl_size_of(ix)); + return r; + } + + zpl_f64 zpl_floor64(zpl_f64 x) { return cast(zpl_f64)((x >= 0.0) ? cast(zpl_i64) x : cast(zpl_i64)(x - 0.9999999999999999)); } + zpl_f64 zpl_ceil64(zpl_f64 x) { return cast(zpl_f64)((x < 0) ? cast(zpl_i64) x : (cast(zpl_i64) x) + 1); } + zpl_f64 zpl_round64(zpl_f64 x) { return cast(zpl_f64)((x >= 0.0) ? zpl_floor64(x + 0.5) : zpl_ceil64(x - 0.5)); } + zpl_f64 zpl_remainder64(zpl_f64 x, zpl_f64 y) { return x - (zpl_round64(x / y) * y); } + zpl_f64 zpl_abs64(zpl_f64 x) { return x < 0 ? -x : x; } + zpl_f64 zpl_sign64(zpl_f64 x) { return x < 0 ? -1.0 : +1.0; } + + zpl_f64 zpl_mod64(zpl_f64 x, zpl_f64 y) { + zpl_f64 result; + y = zpl_abs64(y); + result = zpl_remainder64(zpl_abs64(x), y); + if (zpl_sign64(result)) result += y; + return zpl_copy_sign64(result, x); + } + + zpl_f32 zpl_quake_rsqrt(zpl_f32 a) { + union { + int i; + zpl_f32 f; + } t; + zpl_f32 x2; + zpl_f32 const three_halfs = 1.5f; + + x2 = a * 0.5f; + t.f = a; + t.i = 0x5f375a86 - (t.i >> 1); /* What the fuck? */ + t.f = t.f * (three_halfs - (x2 * t.f * t.f)); /* 1st iteration */ + t.f = t.f * (three_halfs - (x2 * t.f * t.f)); /* 2nd iteration, this can be removed */ + + return t.f; + } + + #if defined(ZPL_NO_MATH_H) + #if defined(_MSC_VER) + + zpl_f32 zpl_rsqrt(zpl_f32 a) { return _mm_cvtss_f32(_mm_rsqrt_ss(_mm_set_ss(a))); } + zpl_f32 zpl_sqrt(zpl_f32 a) { return _mm_cvtss_f32(_mm_sqrt_ss(_mm_set_ss(a))); }; + + zpl_f32 zpl_sin(zpl_f32 a) { + static zpl_f32 const a0 = +1.91059300966915117e-31f; + static zpl_f32 const a1 = +1.00086760103908896f; + static zpl_f32 const a2 = -1.21276126894734565e-2f; + static zpl_f32 const a3 = -1.38078780785773762e-1f; + static zpl_f32 const a4 = -2.67353392911981221e-2f; + static zpl_f32 const a5 = +2.08026600266304389e-2f; + static zpl_f32 const a6 = -3.03996055049204407e-3f; + static zpl_f32 const a7 = +1.38235642404333740e-4f; + return a0 + a * (a1 + a * (a2 + a * (a3 + a * (a4 + a * (a5 + a * (a6 + a * a7)))))); + } + + zpl_f32 zpl_cos(zpl_f32 a) { + static zpl_f32 const a0 = +1.00238601909309722f; + static zpl_f32 const a1 = -3.81919947353040024e-2f; + static zpl_f32 const a2 = -3.94382342128062756e-1f; + static zpl_f32 const a3 = -1.18134036025221444e-1f; + static zpl_f32 const a4 = +1.07123798512170878e-1f; + static zpl_f32 const a5 = -1.86637164165180873e-2f; + static zpl_f32 const a6 = +9.90140908664079833e-4f; + static zpl_f32 const a7 = -5.23022132118824778e-14f; + return a0 + a * (a1 + a * (a2 + a * (a3 + a * (a4 + a * (a5 + a * (a6 + a * a7)))))); + } + + zpl_f32 zpl_tan(zpl_f32 radians) { + zpl_f32 rr = radians * radians; + zpl_f32 a = 9.5168091e-03f; + a *= rr; + a += 2.900525e-03f; + a *= rr; + a += 2.45650893e-02f; + a *= rr; + a += 5.33740603e-02f; + a *= rr; + a += 1.333923995e-01f; + a *= rr; + a += 3.333314036e-01f; + a *= rr; + a += 1.0f; + a *= radians; + return a; + } + + zpl_f32 zpl_arcsin(zpl_f32 a) { return zpl_arctan2(a, zpl_sqrt((1.0f + a) * (1.0f - a))); } + zpl_f32 zpl_arccos(zpl_f32 a) { return zpl_arctan2(zpl_sqrt((1.0f + a) * (1.0f - a)), a); } + + zpl_f32 zpl_arctan(zpl_f32 a) { + zpl_f32 u = a * a; + zpl_f32 u2 = u * u; + zpl_f32 u3 = u2 * u; + zpl_f32 u4 = u3 * u; + zpl_f32 f = 1.0f + 0.33288950512027f * u - 0.08467922817644f * u2 + 0.03252232640125f * u3 - 0.00749305860992f * u4; + return a / f; + } + + zpl_f32 zpl_arctan2(zpl_f32 y, zpl_f32 x) { + if (zpl_abs(x) > zpl_abs(y)) { + zpl_f32 a = zpl_arctan(y / x); + if (x > 0.0f) + return a; + else + return y > 0.0f ? a + ZPL_TAU_OVER_2 : a - ZPL_TAU_OVER_2; + } else { + zpl_f32 a = zpl_arctan(x / y); + if (x > 0.0f) + return y > 0.0f ? ZPL_TAU_OVER_4 - a : -ZPL_TAU_OVER_4 - a; + else + return y > 0.0f ? ZPL_TAU_OVER_4 + a : -ZPL_TAU_OVER_4 + a; + } + } + + zpl_f32 zpl_exp(zpl_f32 a) { + union { + zpl_f32 f; + int i; + } u, v; + u.i = (int)(6051102 * a + 1056478197); + v.i = (int)(1056478197 - 6051102 * a); + return u.f / v.f; + } + + zpl_f32 zpl_log(zpl_f32 a) { + union { + zpl_f32 f; + int i; + } u = { a }; + return (u.i - 1064866805) * 8.262958405176314e-8f; /* 1 / 12102203.0; */ + } + + zpl_f32 zpl_pow(zpl_f32 a, zpl_f32 b) { + int flipped = 0, e; + zpl_f32 f, r = 1.0f; + if (b < 0) { + flipped = 1; + b = -b; + } + + e = (int)b; + f = zpl_exp(b - e); + + while (e) { + if (e & 1) r *= a; + a *= a; + e >>= 1; + } + + r *= f; + return flipped ? 1.0f / r : r; + } + + #else + + zpl_f32 zpl_rsqrt(zpl_f32 a) { return 1.0f / __builtin_sqrt(a); } + zpl_f32 zpl_sqrt(zpl_f32 a) { return __builtin_sqrt(a); } + zpl_f32 zpl_sin(zpl_f32 radians) { return __builtin_sinf(radians); } + zpl_f32 zpl_cos(zpl_f32 radians) { return __builtin_cosf(radians); } + zpl_f32 zpl_tan(zpl_f32 radians) { return __builtin_tanf(radians); } + zpl_f32 zpl_arcsin(zpl_f32 a) { return __builtin_asinf(a); } + zpl_f32 zpl_arccos(zpl_f32 a) { return __builtin_acosf(a); } + zpl_f32 zpl_arctan(zpl_f32 a) { return __builtin_atanf(a); } + zpl_f32 zpl_arctan2(zpl_f32 y, zpl_f32 x) { return __builtin_atan2f(y, x); } + + zpl_f32 zpl_exp(zpl_f32 x) { return __builtin_expf(x); } + zpl_f32 zpl_log(zpl_f32 x) { return __builtin_logf(x); } + + // TODO: Should this be zpl_exp(y * zpl_log(x)) ??? + zpl_f32 zpl_pow(zpl_f32 x, zpl_f32 y) { return __builtin_powf(x, y); } + + #endif + #else + zpl_f32 zpl_rsqrt(zpl_f32 a) { return 1.0f / sqrtf(a); } + zpl_f32 zpl_sqrt(zpl_f32 a) { return sqrtf(a); }; + zpl_f32 zpl_sin(zpl_f32 radians) { return sinf(radians); }; + zpl_f32 zpl_cos(zpl_f32 radians) { return cosf(radians); }; + zpl_f32 zpl_tan(zpl_f32 radians) { return tanf(radians); }; + zpl_f32 zpl_arcsin(zpl_f32 a) { return asinf(a); }; + zpl_f32 zpl_arccos(zpl_f32 a) { return acosf(a); }; + zpl_f32 zpl_arctan(zpl_f32 a) { return atanf(a); }; + zpl_f32 zpl_arctan2(zpl_f32 y, zpl_f32 x) { return atan2f(y, x); }; + + zpl_f32 zpl_exp(zpl_f32 x) { return expf(x); } + zpl_f32 zpl_log(zpl_f32 x) { return logf(x); } + zpl_f32 zpl_pow(zpl_f32 x, zpl_f32 y) { return powf(x, y); } + #endif + + zpl_f32 zpl_exp2(zpl_f32 x) { return zpl_exp(ZPL_LOG_TWO * x); } + zpl_f32 zpl_log2(zpl_f32 x) { return zpl_log(x) / ZPL_LOG_TWO; } + + zpl_f32 zpl_fast_exp(zpl_f32 x) { + /* NOTE: Only works in the range -1 <= x <= +1 */ + zpl_f32 e = 1.0f + x * (1.0f + x * 0.5f * (1.0f + x * 0.3333333333f * (1.0f + x * 0.25f * (1.0f + x * 0.2f)))); + return e; + } + + zpl_f32 zpl_fast_exp2(zpl_f32 x) { return zpl_fast_exp(ZPL_LOG_TWO * x); } + + zpl_f32 zpl_round(zpl_f32 x) { return (float)((x >= 0.0f) ? zpl_floor(x + 0.5f) : zpl_ceil(x - 0.5f)); } + zpl_f32 zpl_floor(zpl_f32 x) { return (float)((x >= 0.0f) ? (int)x : (int)(x - 0.9999999999999999f)); } + zpl_f32 zpl_ceil(zpl_f32 x) { return (float)((x < 0.0f) ? (int)x : ((int)x) + 1); } + + zpl_f32 zpl_half_to_float(zpl_half value) { + union { + unsigned int i; + zpl_f32 f; + } result; + int s = (value >> 15) & 0x001; + int e = (value >> 10) & 0x01f; + int m = value & 0x3ff; + + if (e == 0) { + if (m == 0) { + /* Plus or minus zero */ + result.i = (unsigned int)(s << 31); + return result.f; + } else { + /* Denormalized number */ + while (!(m & 0x00000400)) { + m <<= 1; + e -= 1; + } + + e += 1; + m &= ~0x00000400; + } + } else if (e == 31) { + if (m == 0) { + /* Positive or negative infinity */ + result.i = (unsigned int)((s << 31) | 0x7f800000); + return result.f; + } else { + /* Nan */ + result.i = (unsigned int)((s << 31) | 0x7f800000 | (m << 13)); + return result.f; + } + } + + e = e + (127 - 15); + m = m << 13; + + result.i = (unsigned int)((s << 31) | (e << 23) | m); + return result.f; + } + + zpl_half zpl_float_to_half(zpl_f32 value) { + union { + unsigned int i; + zpl_f32 f; + } v; + int i, s, e, m; + + v.f = value; + i = (int)v.i; + + s = (i >> 16) & 0x00008000; + e = ((i >> 23) & 0x000000ff) - (127 - 15); + m = i & 0x007fffff; + + if (e <= 0) { + if (e < -10) return (zpl_half)s; + m = (m | 0x00800000) >> (1 - e); + + if (m & 0x00001000) m += 0x00002000; + + return (zpl_half)(s | (m >> 13)); + } else if (e == 0xff - (127 - 15)) { + if (m == 0) { + return (zpl_half)(s | 0x7c00); /* NOTE: infinity */ + } else { + /* NOTE: NAN */ + m >>= 13; + return (zpl_half)(s | 0x7c00 | m | (m == 0)); + } + } else { + if (m & 0x00001000) { + m += 0x00002000; + if (m & 0x00800000) { + m = 0; + e += 1; + } + } + + if (e > 30) { + zpl_f32 volatile f = 1e12f; + int j; + for (j = 0; j < 10; j++) f *= f; /* NOTE: Cause overflow */ + + return (zpl_half)(s | 0x7c00); + } + + return (zpl_half)(s | (e << 10) | (m >> 13)); + } + } + + #define ZPL_VEC2_2OP(a, c, post) \ + a->x = c.x post; \ + a->y = c.y post; + + #define ZPL_VEC2_3OP(a, b, op, c, post) \ + a->x = b.x op c.x post; \ + a->y = b.y op c.y post; + + #define ZPL_VEC3_2OP(a, c, post) \ + a->x = c.x post; \ + a->y = c.y post; \ + a->z = c.z post; + + #define ZPL_VEC3_3OP(a, b, op, c, post) \ + a->x = b.x op c.x post; \ + a->y = b.y op c.y post; \ + a->z = b.z op c.z post; + + #define ZPL_VEC4_2OP(a, c, post) \ + a->x = c.x post; \ + a->y = c.y post; \ + a->z = c.z post; \ + a->w = c.w post; + + #define ZPL_VEC4_3OP(a, b, op, c, post) \ + a->x = b.x op c.x post; \ + a->y = b.y op c.y post; \ + a->z = b.z op c.z post; \ + a->w = b.w op c.w post; + + zpl_vec2 zpl_vec2f_zero(void) { + zpl_vec2 v = { 0, 0 }; + return v; + } + zpl_vec2 zpl_vec2f(zpl_f32 x, zpl_f32 y) { + zpl_vec2 v; + v.x = x; + v.y = y; + return v; + } + zpl_vec2 zpl_vec2fv(zpl_f32 x[2]) { + zpl_vec2 v; + v.x = x[0]; + v.y = x[1]; + return v; + } + + zpl_vec3 zpl_vec3f_zero(void) { + zpl_vec3 v = { 0, 0, 0 }; + return v; + } + zpl_vec3 zpl_vec3f(zpl_f32 x, zpl_f32 y, zpl_f32 z) { + zpl_vec3 v; + v.x = x; + v.y = y; + v.z = z; + return v; + } + zpl_vec3 zpl_vec3fv(zpl_f32 x[3]) { + zpl_vec3 v; + v.x = x[0]; + v.y = x[1]; + v.z = x[2]; + return v; + } + + zpl_vec4 zpl_vec4f_zero(void) { + zpl_vec4 v = { 0, 0, 0, 0 }; + return v; + } + zpl_vec4 zpl_vec4f(zpl_f32 x, zpl_f32 y, zpl_f32 z, zpl_f32 w) { + zpl_vec4 v; + v.x = x; + v.y = y; + v.z = z; + v.w = w; + return v; + } + zpl_vec4 zpl_vec4fv(zpl_f32 x[4]) { + zpl_vec4 v; + v.x = x[0]; + v.y = x[1]; + v.z = x[2]; + v.w = x[3]; + return v; + } + + zpl_f32 zpl_vec2_max(zpl_vec2 v) { return zpl_max(v.x, v.y); } + zpl_f32 zpl_vec2_side(zpl_vec2 p, zpl_vec2 q, zpl_vec2 r) { return ((q.x - p.x) * (r.y - p.y) - (r.x - p.x) * (q.y - p.y)); } + + void zpl_vec2_add(zpl_vec2 *d, zpl_vec2 v0, zpl_vec2 v1) { ZPL_VEC2_3OP(d, v0, +, v1, +0); } + void zpl_vec2_sub(zpl_vec2 *d, zpl_vec2 v0, zpl_vec2 v1) { ZPL_VEC2_3OP(d, v0, -, v1, +0); } + void zpl_vec2_mul(zpl_vec2 *d, zpl_vec2 v, zpl_f32 s) { ZPL_VEC2_2OP(d, v, *s); } + void zpl_vec2_div(zpl_vec2 *d, zpl_vec2 v, zpl_f32 s) { ZPL_VEC2_2OP(d, v, / s); } + + zpl_f32 zpl_vec3_max(zpl_vec3 v) { return zpl_max3(v.x, v.y, v.z); } + + void zpl_vec3_add(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1) { ZPL_VEC3_3OP(d, v0, +, v1, +0); } + void zpl_vec3_sub(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1) { ZPL_VEC3_3OP(d, v0, -, v1, +0); } + void zpl_vec3_mul(zpl_vec3 *d, zpl_vec3 v, zpl_f32 s) { ZPL_VEC3_2OP(d, v, *s); } + void zpl_vec3_div(zpl_vec3 *d, zpl_vec3 v, zpl_f32 s) { ZPL_VEC3_2OP(d, v, / s); } + + void zpl_vec4_add(zpl_vec4 *d, zpl_vec4 v0, zpl_vec4 v1) { ZPL_VEC4_3OP(d, v0, +, v1, +0); } + void zpl_vec4_sub(zpl_vec4 *d, zpl_vec4 v0, zpl_vec4 v1) { ZPL_VEC4_3OP(d, v0, -, v1, +0); } + void zpl_vec4_mul(zpl_vec4 *d, zpl_vec4 v, zpl_f32 s) { ZPL_VEC4_2OP(d, v, *s); } + void zpl_vec4_div(zpl_vec4 *d, zpl_vec4 v, zpl_f32 s) { ZPL_VEC4_2OP(d, v, / s); } + + void zpl_vec2_addeq(zpl_vec2 *d, zpl_vec2 v) { ZPL_VEC2_3OP(d, (*d), +, v, +0); } + void zpl_vec2_subeq(zpl_vec2 *d, zpl_vec2 v) { ZPL_VEC2_3OP(d, (*d), -, v, +0); } + void zpl_vec2_muleq(zpl_vec2 *d, zpl_f32 s) { ZPL_VEC2_2OP(d, (*d), *s); } + void zpl_vec2_diveq(zpl_vec2 *d, zpl_f32 s) { ZPL_VEC2_2OP(d, (*d), / s); } + + void zpl_vec3_addeq(zpl_vec3 *d, zpl_vec3 v) { ZPL_VEC3_3OP(d, (*d), +, v, +0); } + void zpl_vec3_subeq(zpl_vec3 *d, zpl_vec3 v) { ZPL_VEC3_3OP(d, (*d), -, v, +0); } + void zpl_vec3_muleq(zpl_vec3 *d, zpl_f32 s) { ZPL_VEC3_2OP(d, (*d), *s); } + void zpl_vec3_diveq(zpl_vec3 *d, zpl_f32 s) { ZPL_VEC3_2OP(d, (*d), / s); } + + void zpl_vec4_addeq(zpl_vec4 *d, zpl_vec4 v) { ZPL_VEC4_3OP(d, (*d), +, v, +0); } + void zpl_vec4_subeq(zpl_vec4 *d, zpl_vec4 v) { ZPL_VEC4_3OP(d, (*d), -, v, +0); } + void zpl_vec4_muleq(zpl_vec4 *d, zpl_f32 s) { ZPL_VEC4_2OP(d, (*d), *s); } + void zpl_vec4_diveq(zpl_vec4 *d, zpl_f32 s) { ZPL_VEC4_2OP(d, (*d), / s); } + + #undef ZPL_VEC2_2OP + #undef ZPL_VEC2_3OP + #undef ZPL_VEC3_3OP + #undef ZPL_VEC3_2OP + #undef ZPL_VEC4_2OP + #undef ZPL_VEC4_3OP + + zpl_f32 zpl_vec2_dot(zpl_vec2 v0, zpl_vec2 v1) { return v0.x * v1.x + v0.y * v1.y; } + zpl_f32 zpl_vec3_dot(zpl_vec3 v0, zpl_vec3 v1) { return v0.x * v1.x + v0.y * v1.y + v0.z * v1.z; } + zpl_f32 zpl_vec4_dot(zpl_vec4 v0, zpl_vec4 v1) { return v0.x * v1.x + v0.y * v1.y + v0.z * v1.z + v0.w * v1.w; } + + void zpl_vec2_cross(zpl_f32 *d, zpl_vec2 v0, zpl_vec2 v1) { *d = v0.x * v1.y - v1.x * v0.y; } + void zpl_vec3_cross(zpl_vec3 *d, zpl_vec3 v0, zpl_vec3 v1) { + d->x = v0.y * v1.z - v0.z * v1.y; + d->y = v0.z * v1.x - v0.x * v1.z; + d->z = v0.x * v1.y - v0.y * v1.x; + } + + zpl_f32 zpl_vec2_mag2(zpl_vec2 v) { return zpl_vec2_dot(v, v); } + zpl_f32 zpl_vec3_mag2(zpl_vec3 v) { return zpl_vec3_dot(v, v); } + zpl_f32 zpl_vec4_mag2(zpl_vec4 v) { return zpl_vec4_dot(v, v); } + + /* TODO: Create custom sqrt function */ + zpl_f32 zpl_vec2_mag(zpl_vec2 v) { return zpl_sqrt(zpl_vec2_dot(v, v)); } + zpl_f32 zpl_vec3_mag(zpl_vec3 v) { return zpl_sqrt(zpl_vec3_dot(v, v)); } + zpl_f32 zpl_vec4_mag(zpl_vec4 v) { return zpl_sqrt(zpl_vec4_dot(v, v)); } + + void zpl_vec2_norm(zpl_vec2 *d, zpl_vec2 v) { + zpl_f32 inv_mag = zpl_rsqrt(zpl_vec2_dot(v, v)); + zpl_vec2_mul(d, v, inv_mag); + } + void zpl_vec3_norm(zpl_vec3 *d, zpl_vec3 v) { + zpl_f32 mag = zpl_vec3_mag(v); + zpl_vec3_div(d, v, mag); + } + void zpl_vec4_norm(zpl_vec4 *d, zpl_vec4 v) { + zpl_f32 mag = zpl_vec4_mag(v); + zpl_vec4_div(d, v, mag); + } + + void zpl_vec2_norm0(zpl_vec2 *d, zpl_vec2 v) { + zpl_f32 mag = zpl_vec2_mag(v); + if (mag > 0) + zpl_vec2_div(d, v, mag); + else + *d = zpl_vec2f_zero( ); + } + void zpl_vec3_norm0(zpl_vec3 *d, zpl_vec3 v) { + zpl_f32 mag = zpl_vec3_mag(v); + if (mag > 0) + zpl_vec3_div(d, v, mag); + else + *d = zpl_vec3f_zero( ); + } + void zpl_vec4_norm0(zpl_vec4 *d, zpl_vec4 v) { + zpl_f32 mag = zpl_vec4_mag(v); + if (mag > 0) + zpl_vec4_div(d, v, mag); + else + *d = zpl_vec4f_zero( ); + } + + void zpl_vec2_reflect(zpl_vec2 *d, zpl_vec2 i, zpl_vec2 n) { + zpl_vec2 b = n; + zpl_vec2_muleq(&b, 2.0f * zpl_vec2_dot(n, i)); + zpl_vec2_sub(d, i, b); + } + + void zpl_vec3_reflect(zpl_vec3 *d, zpl_vec3 i, zpl_vec3 n) { + zpl_vec3 b = n; + zpl_vec3_muleq(&b, 2.0f * zpl_vec3_dot(n, i)); + zpl_vec3_sub(d, i, b); + } + + void zpl_vec2_refract(zpl_vec2 *d, zpl_vec2 i, zpl_vec2 n, zpl_f32 eta) { + zpl_vec2 a, b; + zpl_f32 dv, k; + + dv = zpl_vec2_dot(n, i); + k = 1.0f - eta * eta * (1.0f - dv * dv); + zpl_vec2_mul(&a, i, eta); + zpl_vec2_mul(&b, n, eta * dv * zpl_sqrt(k)); + zpl_vec2_sub(d, a, b); + zpl_vec2_muleq(d, (float)(k >= 0.0f)); + } + + void zpl_vec3_refract(zpl_vec3 *d, zpl_vec3 i, zpl_vec3 n, zpl_f32 eta) { + zpl_vec3 a, b; + zpl_f32 dv, k; + + dv = zpl_vec3_dot(n, i); + k = 1.0f - eta * eta * (1.0f - dv * dv); + zpl_vec3_mul(&a, i, eta); + zpl_vec3_mul(&b, n, eta * dv * zpl_sqrt(k)); + zpl_vec3_sub(d, a, b); + zpl_vec3_muleq(d, (float)(k >= 0.0f)); + } + + zpl_f32 zpl_vec2_aspect_ratio(zpl_vec2 v) { return (v.y < 0.0001f) ? 0.0f : v.x / v.y; } + + void zpl_mat2_transpose(zpl_mat2 *m) { zpl_float22_transpose(zpl_float22_m(m)); } + void zpl_mat2_identity(zpl_mat2 *m) { zpl_float22_identity(zpl_float22_m(m)); } + void zpl_mat2_mul(zpl_mat2 *out, zpl_mat2 *m1, zpl_mat2 *m2) { + zpl_float22_mul(zpl_float22_m(out), zpl_float22_m(m1), zpl_float22_m(m2)); + } + + void zpl_float22_identity(zpl_f32 m[2][2]) { + m[0][0] = 1; + m[0][1] = 0; + m[1][0] = 0; + m[1][1] = 1; + } + + void zpl_mat2_copy(zpl_mat2* out, zpl_mat2* m) { + zpl_memcopy(out, m, sizeof(zpl_mat3)); + } + + void zpl_mat2_mul_vec2(zpl_vec2 *out, zpl_mat2 *m, zpl_vec2 in) { zpl_float22_mul_vec2(out, zpl_float22_m(m), in); } + + zpl_mat2 *zpl_mat2_v(zpl_vec2 m[2]) { return (zpl_mat2 *)m; } + zpl_mat2 *zpl_mat2_f(zpl_f32 m[2][2]) { return (zpl_mat2 *)m; } + + zpl_float2 *zpl_float22_m(zpl_mat2 *m) { return (zpl_float2 *)m; } + zpl_float2 *zpl_float22_v(zpl_vec2 m[2]) { return (zpl_float2 *)m; } + zpl_float2 *zpl_float22_4(zpl_f32 m[4]) { return (zpl_float2 *)m; } + + void zpl_float22_transpose(zpl_f32 (*vec)[2]) { + int i, j; + for (j = 0; j < 2; j++) { + for (i = j + 1; i < 2; i++) { + zpl_f32 t = vec[i][j]; + vec[i][j] = vec[j][i]; + vec[j][i] = t; + } + } + } + + void zpl_float22_mul(zpl_f32 (*out)[2], zpl_f32 (*mat1)[2], zpl_f32 (*mat2)[2]) { + int i, j; + zpl_f32 temp1[2][2], temp2[2][2]; + if (mat1 == out) { + zpl_memcopy(temp1, mat1, sizeof(temp1)); + mat1 = temp1; + } + if (mat2 == out) { + zpl_memcopy(temp2, mat2, sizeof(temp2)); + mat2 = temp2; + } + for (j = 0; j < 2; j++) { + for (i = 0; i < 2; i++) { out[j][i] = mat1[0][i] * mat2[j][0] + mat1[1][i] * mat2[j][1]; } + } + } + + void zpl_float22_mul_vec2(zpl_vec2 *out, zpl_f32 m[2][2], zpl_vec2 v) { + out->x = m[0][0] * v.x + m[0][1] * v.y; + out->y = m[1][0] * v.x + m[1][1] * v.y; + } + + zpl_f32 zpl_mat2_determinate(zpl_mat2 *m) { + zpl_float2 *e = zpl_float22_m(m); + return e[0][0] * e[1][1] - e[1][0] * e[0][1]; + } + + void zpl_mat2_inverse(zpl_mat2 *out, zpl_mat2 *in) { + zpl_float2 *o = zpl_float22_m(out); + zpl_float2 *i = zpl_float22_m(in); + + zpl_f32 ood = 1.0f / zpl_mat2_determinate(in); + + o[0][0] = +i[1][1] * ood; + o[0][1] = -i[0][1] * ood; + o[1][0] = -i[1][0] * ood; + o[1][1] = +i[0][0] * ood; + } + + void zpl_mat3_transpose(zpl_mat3 *m) { zpl_float33_transpose(zpl_float33_m(m)); } + void zpl_mat3_identity(zpl_mat3 *m) { zpl_float33_identity(zpl_float33_m(m)); } + + void zpl_mat3_copy(zpl_mat3* out, zpl_mat3* m) { + zpl_memcopy(out, m, sizeof(zpl_mat3)); + } + + void zpl_mat3_mul(zpl_mat3 *out, zpl_mat3 *m1, zpl_mat3 *m2) { + zpl_float33_mul(zpl_float33_m(out), zpl_float33_m(m1), zpl_float33_m(m2)); + } + + void zpl_float33_identity(zpl_f32 m[3][3]) { + m[0][0] = 1; + m[0][1] = 0; + m[0][2] = 0; + m[1][0] = 0; + m[1][1] = 1; + m[1][2] = 0; + m[2][0] = 0; + m[2][1] = 0; + m[2][2] = 1; + } + + void zpl_mat3_mul_vec3(zpl_vec3 *out, zpl_mat3 *m, zpl_vec3 in) { zpl_float33_mul_vec3(out, zpl_float33_m(m), in); } + + zpl_mat3 *zpl_mat3_v(zpl_vec3 m[3]) { return (zpl_mat3 *)m; } + zpl_mat3 *zpl_mat3_f(zpl_f32 m[3][3]) { return (zpl_mat3 *)m; } + + zpl_float3 *zpl_float33_m(zpl_mat3 *m) { return (zpl_float3 *)m; } + zpl_float3 *zpl_float33_v(zpl_vec3 m[3]) { return (zpl_float3 *)m; } + zpl_float3 *zpl_float33_9(zpl_f32 m[9]) { return (zpl_float3 *)m; } + + void zpl_float33_transpose(zpl_f32 (*vec)[3]) { + int i, j; + for (j = 0; j < 3; j++) { + for (i = j + 1; i < 3; i++) { + zpl_f32 t = vec[i][j]; + vec[i][j] = vec[j][i]; + vec[j][i] = t; + } + } + } + + void zpl_float33_mul(zpl_f32 (*out)[3], zpl_f32 (*mat1)[3], zpl_f32 (*mat2)[3]) { + int i, j; + zpl_f32 temp1[3][3], temp2[3][3]; + if (mat1 == out) { + zpl_memcopy(temp1, mat1, sizeof(temp1)); + mat1 = temp1; + } + if (mat2 == out) { + zpl_memcopy(temp2, mat2, sizeof(temp2)); + mat2 = temp2; + } + for (j = 0; j < 3; j++) { + for (i = 0; i < 3; i++) { + out[j][i] = mat1[0][i] * mat2[j][0] + mat1[1][i] * mat2[j][1] + mat1[2][i] * mat2[j][2]; + } + } + } + + void zpl_float33_mul_vec3(zpl_vec3 *out, zpl_f32 m[3][3], zpl_vec3 v) { + out->x = m[0][0] * v.x + m[0][1] * v.y + m[0][2] * v.z; + out->y = m[1][0] * v.x + m[1][1] * v.y + m[1][2] * v.z; + out->z = m[2][0] * v.x + m[2][1] * v.y + m[2][2] * v.z; + } + + zpl_f32 zpl_mat3_determinate(zpl_mat3 *m) { + zpl_float3 *e = zpl_float33_m(m); + zpl_f32 d = + +e[0][0] * (e[1][1] * e[2][2] - e[1][2] * e[2][1]) + -e[0][1] * (e[1][0] * e[2][2] - e[1][2] * e[2][0]) + +e[0][2] * (e[1][0] * e[2][1] - e[1][1] * e[2][0]); + return d; + } + + void zpl_mat3_inverse(zpl_mat3 *out, zpl_mat3 *in) { + zpl_float3 *o = zpl_float33_m(out); + zpl_float3 *i = zpl_float33_m(in); + + zpl_f32 ood = 1.0f / zpl_mat3_determinate(in); + + o[0][0] = +(i[1][1] * i[2][2] - i[2][1] * i[1][2]) * ood; + o[0][1] = -(i[1][0] * i[2][2] - i[2][0] * i[1][2]) * ood; + o[0][2] = +(i[1][0] * i[2][1] - i[2][0] * i[1][1]) * ood; + o[1][0] = -(i[0][1] * i[2][2] - i[2][1] * i[0][2]) * ood; + o[1][1] = +(i[0][0] * i[2][2] - i[2][0] * i[0][2]) * ood; + o[1][2] = -(i[0][0] * i[2][1] - i[2][0] * i[0][1]) * ood; + o[2][0] = +(i[0][1] * i[1][2] - i[1][1] * i[0][2]) * ood; + o[2][1] = -(i[0][0] * i[1][2] - i[1][0] * i[0][2]) * ood; + o[2][2] = +(i[0][0] * i[1][1] - i[1][0] * i[0][1]) * ood; + } + + void zpl_mat4_transpose(zpl_mat4 *m) { zpl_float44_transpose(zpl_float44_m(m)); } + void zpl_mat4_identity(zpl_mat4 *m) { zpl_float44_identity(zpl_float44_m(m)); } + + void zpl_mat4_copy(zpl_mat4* out, zpl_mat4* m) { + zpl_memcopy(out, m, sizeof(zpl_mat4)); + } + + + void zpl_mat4_mul(zpl_mat4 *out, zpl_mat4 *m1, zpl_mat4 *m2) { + zpl_float44_mul(zpl_float44_m(out), zpl_float44_m(m1), zpl_float44_m(m2)); + } + + void zpl_float44_identity(zpl_f32 m[4][4]) { + m[0][0] = 1; + m[0][1] = 0; + m[0][2] = 0; + m[0][3] = 0; + m[1][0] = 0; + m[1][1] = 1; + m[1][2] = 0; + m[1][3] = 0; + m[2][0] = 0; + m[2][1] = 0; + m[2][2] = 1; + m[2][3] = 0; + m[3][0] = 0; + m[3][1] = 0; + m[3][2] = 0; + m[3][3] = 1; + } + + void zpl_mat4_mul_vec4(zpl_vec4 *out, zpl_mat4 *m, zpl_vec4 in) { zpl_float44_mul_vec4(out, zpl_float44_m(m), in); } + + zpl_mat4 *zpl_mat4_v(zpl_vec4 m[4]) { return (zpl_mat4 *)m; } + zpl_mat4 *zpl_mat4_f(zpl_f32 m[4][4]) { return (zpl_mat4 *)m; } + + zpl_float4 *zpl_float44_m(zpl_mat4 *m) { return (zpl_float4 *)m; } + zpl_float4 *zpl_float44_v(zpl_vec4 m[4]) { return (zpl_float4 *)m; } + zpl_float4 *zpl_float44_16(zpl_f32 m[16]) { return (zpl_float4 *)m; } + + void zpl_float44_transpose(zpl_f32 (*vec)[4]) { + zpl_f32 tmp; + tmp = vec[1][0]; + vec[1][0] = vec[0][1]; + vec[0][1] = tmp; + tmp = vec[2][0]; + vec[2][0] = vec[0][2]; + vec[0][2] = tmp; + tmp = vec[3][0]; + vec[3][0] = vec[0][3]; + vec[0][3] = tmp; + tmp = vec[2][1]; + vec[2][1] = vec[1][2]; + vec[1][2] = tmp; + tmp = vec[3][1]; + vec[3][1] = vec[1][3]; + vec[1][3] = tmp; + tmp = vec[3][2]; + vec[3][2] = vec[2][3]; + vec[2][3] = tmp; + } + + void zpl_float44_mul(zpl_f32 (*out)[4], zpl_f32 (*mat1)[4], zpl_f32 (*mat2)[4]) { + int i, j; + zpl_f32 temp1[4][4], temp2[4][4]; + if (mat1 == out) { + zpl_memcopy(temp1, mat1, sizeof(temp1)); + mat1 = temp1; + } + if (mat2 == out) { + zpl_memcopy(temp2, mat2, sizeof(temp2)); + mat2 = temp2; + } + for (j = 0; j < 4; j++) { + for (i = 0; i < 4; i++) { + out[j][i] = + mat1[0][i] * mat2[j][0] + mat1[1][i] * mat2[j][1] + +mat1[2][i] * mat2[j][2] + mat1[3][i] * mat2[j][3]; + } + } + } + + void zpl_float44_mul_vec4(zpl_vec4 *out, zpl_f32 m[4][4], zpl_vec4 v) { + out->x = m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w; + out->y = m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w; + out->z = m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * v.w; + out->w = m[0][3] * v.x + m[1][3] * v.y + m[2][3] * v.z + m[3][3] * v.w; + } + + void zpl_mat4_inverse(zpl_mat4 *out, zpl_mat4 *in) { + zpl_float4 *o = zpl_float44_m(out); + zpl_float4 *m = zpl_float44_m(in); + + zpl_f32 ood; + + zpl_f32 sf00 = m[2][2] * m[3][3] - m[3][2] * m[2][3]; + zpl_f32 sf01 = m[2][1] * m[3][3] - m[3][1] * m[2][3]; + zpl_f32 sf02 = m[2][1] * m[3][2] - m[3][1] * m[2][2]; + zpl_f32 sf03 = m[2][0] * m[3][3] - m[3][0] * m[2][3]; + zpl_f32 sf04 = m[2][0] * m[3][2] - m[3][0] * m[2][2]; + zpl_f32 sf05 = m[2][0] * m[3][1] - m[3][0] * m[2][1]; + zpl_f32 sf06 = m[1][2] * m[3][3] - m[3][2] * m[1][3]; + zpl_f32 sf07 = m[1][1] * m[3][3] - m[3][1] * m[1][3]; + zpl_f32 sf08 = m[1][1] * m[3][2] - m[3][1] * m[1][2]; + zpl_f32 sf09 = m[1][0] * m[3][3] - m[3][0] * m[1][3]; + zpl_f32 sf10 = m[1][0] * m[3][2] - m[3][0] * m[1][2]; + zpl_f32 sf11 = m[1][1] * m[3][3] - m[3][1] * m[1][3]; + zpl_f32 sf12 = m[1][0] * m[3][1] - m[3][0] * m[1][1]; + zpl_f32 sf13 = m[1][2] * m[2][3] - m[2][2] * m[1][3]; + zpl_f32 sf14 = m[1][1] * m[2][3] - m[2][1] * m[1][3]; + zpl_f32 sf15 = m[1][1] * m[2][2] - m[2][1] * m[1][2]; + zpl_f32 sf16 = m[1][0] * m[2][3] - m[2][0] * m[1][3]; + zpl_f32 sf17 = m[1][0] * m[2][2] - m[2][0] * m[1][2]; + zpl_f32 sf18 = m[1][0] * m[2][1] - m[2][0] * m[1][1]; + + o[0][0] = +(m[1][1] * sf00 - m[1][2] * sf01 + m[1][3] * sf02); + o[1][0] = -(m[1][0] * sf00 - m[1][2] * sf03 + m[1][3] * sf04); + o[2][0] = +(m[1][0] * sf01 - m[1][1] * sf03 + m[1][3] * sf05); + o[3][0] = -(m[1][0] * sf02 - m[1][1] * sf04 + m[1][2] * sf05); + + o[0][1] = -(m[0][1] * sf00 - m[0][2] * sf01 + m[0][3] * sf02); + o[1][1] = +(m[0][0] * sf00 - m[0][2] * sf03 + m[0][3] * sf04); + o[2][1] = -(m[0][0] * sf01 - m[0][1] * sf03 + m[0][3] * sf05); + o[3][1] = +(m[0][0] * sf02 - m[0][1] * sf04 + m[0][2] * sf05); + + o[0][2] = +(m[0][1] * sf06 - m[0][2] * sf07 + m[0][3] * sf08); + o[1][2] = -(m[0][0] * sf06 - m[0][2] * sf09 + m[0][3] * sf10); + o[2][2] = +(m[0][0] * sf11 - m[0][1] * sf09 + m[0][3] * sf12); + o[3][2] = -(m[0][0] * sf08 - m[0][1] * sf10 + m[0][2] * sf12); + + o[0][3] = -(m[0][1] * sf13 - m[0][2] * sf14 + m[0][3] * sf15); + o[1][3] = +(m[0][0] * sf13 - m[0][2] * sf16 + m[0][3] * sf17); + o[2][3] = -(m[0][0] * sf14 - m[0][1] * sf16 + m[0][3] * sf18); + o[3][3] = +(m[0][0] * sf15 - m[0][1] * sf17 + m[0][2] * sf18); + + ood = 1.0f / (m[0][0] * o[0][0] + m[0][1] * o[1][0] + m[0][2] * o[2][0] + m[0][3] * o[3][0]); + + o[0][0] *= ood; o[1][0] *= ood; o[2][0] *= ood; o[3][0] *= ood; + o[0][1] *= ood; o[1][1] *= ood; o[2][1] *= ood; o[3][1] *= ood; + o[0][2] *= ood; o[1][2] *= ood; o[2][2] *= ood; o[3][2] *= ood; + o[0][3] *= ood; o[1][3] *= ood; o[2][3] *= ood; o[3][3] *= ood; + } + + void zpl_mat4_translate(zpl_mat4 *out, zpl_vec3 v) { + zpl_mat4_identity(out); + out->col[3].xyz = v; + out->col[3].w = 1; + } + + void zpl_mat4_rotate(zpl_mat4 *out, zpl_vec3 v, zpl_f32 angle_radians) { + zpl_f32 c, s; + zpl_vec3 axis, t; + zpl_float4 *rot; + + c = zpl_cos(angle_radians); + s = zpl_sin(angle_radians); + + zpl_vec3_norm(&axis, v); + zpl_vec3_mul(&t, axis, 1.0f - c); + + zpl_mat4_identity(out); + rot = zpl_float44_m(out); + + rot[0][0] = c + t.x * axis.x; + rot[0][1] = 0 + t.x * axis.y + s * axis.z; + rot[0][2] = 0 + t.x * axis.z - s * axis.y; + rot[0][3] = 0; + + rot[1][0] = 0 + t.y * axis.x - s * axis.z; + rot[1][1] = c + t.y * axis.y; + rot[1][2] = 0 + t.y * axis.z + s * axis.x; + rot[1][3] = 0; + + rot[2][0] = 0 + t.z * axis.x + s * axis.y; + rot[2][1] = 0 + t.z * axis.y - s * axis.x; + rot[2][2] = c + t.z * axis.z; + rot[2][3] = 0; + } + + void zpl_mat4_scale(zpl_mat4 *out, zpl_vec3 v) { + zpl_mat4_identity(out); + out->e[0] = v.x; + out->e[5] = v.y; + out->e[10] = v.z; + } + + void zpl_mat4_scalef(zpl_mat4 *out, zpl_f32 s) { + zpl_mat4_identity(out); + out->e[0] = s; + out->e[5] = s; + out->e[10] = s; + } + + void zpl_mat4_ortho2d(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top) { + zpl_float4 *m; + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = 2.0f / (right - left); + m[1][1] = 2.0f / (top - bottom); + m[2][2] = -1.0f; + m[3][0] = -(right + left) / (right - left); + m[3][1] = -(top + bottom) / (top - bottom); + } + + void zpl_mat4_ortho3d(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top, zpl_f32 z_near, zpl_f32 z_far) { + zpl_float4 *m; + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = +2.0f / (right - left); + m[1][1] = +2.0f / (top - bottom); + m[2][2] = -2.0f / (z_far - z_near); + m[3][0] = -(right + left) / (right - left); + m[3][1] = -(top + bottom) / (top - bottom); + m[3][2] = -(z_far + z_near) / (z_far - z_near); + } + + void zpl_mat4_perspective(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near, zpl_f32 z_far) { + zpl_f32 tan_half_fovy = zpl_tan(0.5f * fovy); + zpl_mat4 zero_mat = { 0 }; + zpl_float4 *m = zpl_float44_m(out); + *out = zero_mat; + + m[0][0] = 1.0f / (aspect * tan_half_fovy); + m[1][1] = 1.0f / (tan_half_fovy); + m[2][2] = -(z_far + z_near) / (z_far - z_near); + m[2][3] = -1.0f; + m[3][2] = -2.0f * z_far * z_near / (z_far - z_near); + } + + void zpl_mat4_infinite_perspective(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near) { + zpl_f32 range = zpl_tan(0.5f * fovy) * z_near; + zpl_f32 left = -range * aspect; + zpl_f32 right = range * aspect; + zpl_f32 bottom = -range; + zpl_f32 top = range; + zpl_mat4 zero_mat = { 0 }; + zpl_float4 *m = zpl_float44_m(out); + *out = zero_mat; + + m[0][0] = (2.0f * z_near) / (right - left); + m[1][1] = (2.0f * z_near) / (top - bottom); + m[2][2] = -1.0f; + m[2][3] = -1.0f; + m[3][2] = -2.0f * z_near; + } + + void zpl_mat4_ortho2d_dx(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top) { + zpl_float4 *m; + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = 2.0f / (right - left); + m[1][1] = 2.0f / (top - bottom); + m[2][2] = -1.0f; + m[3][0] = -(right + left) / (right - left); + m[3][1] = -(top + bottom) / (top - bottom); + } + + void zpl_mat4_ortho3d_dx(zpl_mat4 *out, zpl_f32 left, zpl_f32 right, zpl_f32 bottom, zpl_f32 top, zpl_f32 z_near, zpl_f32 z_far) { + zpl_float4 *m; + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = +2.0f / (right - left); + m[1][1] = +2.0f / (top - bottom); + m[2][2] = -1.0f / (z_far - z_near); + m[3][0] = -(right + left) / (right - left); + m[3][1] = -(top + bottom) / (top - bottom); + m[3][2] = -( z_near) / (z_far - z_near); + } + + void zpl_mat4_perspective_dx(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near, zpl_f32 z_far) { + zpl_f32 tan_half_fovy = zpl_tan(0.5f * fovy); + zpl_mat4 zero_mat = { 0 }; + zpl_float4 *m = zpl_float44_m(out); + *out = zero_mat; + + m[0][0] = 1.0f / (aspect * tan_half_fovy); + m[1][1] = 1.0f / (tan_half_fovy); + m[2][2] = -(z_far ) / (z_far - z_near); + m[2][3] = -1.0f; + m[3][2] = - z_near / (z_far - z_near); + } + + void zpl_mat4_infinite_perspective_dx(zpl_mat4 *out, zpl_f32 fovy, zpl_f32 aspect, zpl_f32 z_near) { + zpl_f32 tan_half_fovy = zpl_tan(0.5f * fovy); + zpl_mat4 zero_mat = { 0 }; + zpl_float4 *m = zpl_float44_m(out); + *out = zero_mat; + + m[0][0] = 1.0f / (aspect * tan_half_fovy); + m[1][1] = 1.0f / (tan_half_fovy); + m[2][2] = -1.0f; + m[2][3] = -1.0f; + m[3][2] = - z_near; + } + + + + void zpl_mat4_look_at(zpl_mat4 *out, zpl_vec3 eye, zpl_vec3 centre, zpl_vec3 up) { + zpl_vec3 f, s, u; + zpl_float4 *m; + + zpl_vec3_sub(&f, centre, eye); + zpl_vec3_norm(&f, f); + + zpl_vec3_cross(&s, f, up); + zpl_vec3_norm(&s, s); + + zpl_vec3_cross(&u, s, f); + + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = +s.x; + m[1][0] = +s.y; + m[2][0] = +s.z; + + m[0][1] = +u.x; + m[1][1] = +u.y; + m[2][1] = +u.z; + + m[0][2] = -f.x; + m[1][2] = -f.y; + m[2][2] = -f.z; + + m[3][0] = -zpl_vec3_dot(s, eye); + m[3][1] = -zpl_vec3_dot(u, eye); + m[3][2] = +zpl_vec3_dot(f, eye); + } + + void zpl_mat4_look_at_lh(zpl_mat4 *out, zpl_vec3 eye, zpl_vec3 centre, zpl_vec3 up) { + zpl_vec3 f, s, u; + zpl_float4 *m; + + zpl_vec3_sub(&f, centre, eye); + zpl_vec3_norm(&f, f); + + zpl_vec3_cross(&s, up, f); + zpl_vec3_norm(&s, s); + + zpl_vec3_cross(&u, f, s); + + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = +s.x; + m[1][0] = +s.y; + m[2][0] = +s.z; + + m[0][1] = +u.x; + m[1][1] = +u.y; + m[2][1] = +u.z; + + m[0][2] = +f.x; + m[1][2] = +f.y; + m[2][2] = +f.z; + + m[3][0] = -zpl_vec3_dot(s, eye); + m[3][1] = -zpl_vec3_dot(u, eye); + m[3][2] = -zpl_vec3_dot(f, eye); + } + + zpl_quat zpl_quatf(zpl_f32 x, zpl_f32 y, zpl_f32 z, zpl_f32 w) { + zpl_quat q; + q.x = x; + q.y = y; + q.z = z; + q.w = w; + return q; + } + zpl_quat zpl_quatfv(zpl_f32 e[4]) { + zpl_quat q; + q.x = e[0]; + q.y = e[1]; + q.z = e[2]; + q.w = e[3]; + return q; + } + + zpl_quat zpl_quat_axis_angle(zpl_vec3 axis, zpl_f32 angle_radians) { + zpl_quat q; + zpl_vec3_norm(&q.xyz, axis); + zpl_vec3_muleq(&q.xyz, zpl_sin(0.5f * angle_radians)); + q.w = zpl_cos(0.5f * angle_radians); + return q; + } + + zpl_quat zpl_quat_euler_angles(zpl_f32 pitch, zpl_f32 yaw, zpl_f32 roll) { + /* TODO: Do without multiplication, i.e. make it faster */ + zpl_quat q, p, y, r; + p = zpl_quat_axis_angle(zpl_vec3f(1, 0, 0), pitch); + y = zpl_quat_axis_angle(zpl_vec3f(0, 1, 0), yaw); + r = zpl_quat_axis_angle(zpl_vec3f(0, 0, 1), roll); + + zpl_quat_mul(&q, y, p); + zpl_quat_muleq(&q, r); + + return q; + } + + zpl_quat zpl_quat_identity(void) { + zpl_quat q = { 0, 0, 0, 1 }; + return q; + } + + void zpl_quat_add(zpl_quat *d, zpl_quat q0, zpl_quat q1) { zpl_vec4_add(&d->xyzw, q0.xyzw, q1.xyzw); } + void zpl_quat_sub(zpl_quat *d, zpl_quat q0, zpl_quat q1) { zpl_vec4_sub(&d->xyzw, q0.xyzw, q1.xyzw); } + + void zpl_quat_mul(zpl_quat *d, zpl_quat q0, zpl_quat q1) { + d->x = q0.w * q1.x + q0.x * q1.w + q0.y * q1.z - q0.z * q1.y; + d->y = q0.w * q1.y - q0.x * q1.z + q0.y * q1.w + q0.z * q1.x; + d->z = q0.w * q1.z + q0.x * q1.y - q0.y * q1.x + q0.z * q1.w; + d->w = q0.w * q1.w - q0.x * q1.x - q0.y * q1.y - q0.z * q1.z; + } + + void zpl_quat_div(zpl_quat *d, zpl_quat q0, zpl_quat q1) { + zpl_quat iq1; + zpl_quat_inverse(&iq1, q1); + zpl_quat_mul(d, q0, iq1); + } + + void zpl_quat_mulf(zpl_quat *d, zpl_quat q0, zpl_f32 s) { zpl_vec4_mul(&d->xyzw, q0.xyzw, s); } + void zpl_quat_divf(zpl_quat *d, zpl_quat q0, zpl_f32 s) { zpl_vec4_div(&d->xyzw, q0.xyzw, s); } + + void zpl_quat_addeq(zpl_quat *d, zpl_quat q) { zpl_vec4_addeq(&d->xyzw, q.xyzw); } + void zpl_quat_subeq(zpl_quat *d, zpl_quat q) { zpl_vec4_subeq(&d->xyzw, q.xyzw); } + void zpl_quat_muleq(zpl_quat *d, zpl_quat q) { zpl_quat_mul(d, *d, q); } + void zpl_quat_diveq(zpl_quat *d, zpl_quat q) { zpl_quat_div(d, *d, q); } + + void zpl_quat_muleqf(zpl_quat *d, zpl_f32 s) { zpl_vec4_muleq(&d->xyzw, s); } + void zpl_quat_diveqf(zpl_quat *d, zpl_f32 s) { zpl_vec4_diveq(&d->xyzw, s); } + + zpl_f32 zpl_quat_dot(zpl_quat q0, zpl_quat q1) { + zpl_f32 r = zpl_vec3_dot(q0.xyz, q1.xyz) + q0.w * q1.w; + return r; + } + zpl_f32 zpl_quat_mag(zpl_quat q) { + zpl_f32 r = zpl_sqrt(zpl_quat_dot(q, q)); + return r; + } + + void zpl_quat_norm(zpl_quat *d, zpl_quat q) { zpl_quat_divf(d, q, zpl_quat_mag(q)); } + + void zpl_quat_conj(zpl_quat *d, zpl_quat q) { + d->xyz = zpl_vec3f(-q.x, -q.y, -q.z); + d->w = q.w; + } + void zpl_quat_inverse(zpl_quat *d, zpl_quat q) { + zpl_quat_conj(d, q); + zpl_quat_diveqf(d, zpl_quat_dot(q, q)); + } + + void zpl_quat_axis(zpl_vec3 *axis, zpl_quat q) { + zpl_quat n; + zpl_quat_norm(&n, q); + zpl_vec3_div(axis, n.xyz, zpl_sin(zpl_arccos(q.w))); + } + + zpl_f32 zpl_quat_angle(zpl_quat q) { + zpl_f32 mag = zpl_quat_mag(q); + zpl_f32 c = q.w * (1.0f / mag); + zpl_f32 angle = 2.0f * zpl_arccos(c); + return angle; + } + + zpl_f32 zpl_quat_roll(zpl_quat q) { + return zpl_arctan2(2.0f * q.x * q.y + q.z * q.w, q.x * q.x + q.w * q.w - q.y * q.y - q.z * q.z); + } + zpl_f32 zpl_quat_pitch(zpl_quat q) { + return zpl_arctan2(2.0f * q.y * q.z + q.w * q.x, q.w * q.w - q.x * q.x - q.y * q.y + q.z * q.z); + } + zpl_f32 zpl_quat_yaw(zpl_quat q) { return zpl_arcsin(-2.0f * (q.x * q.z - q.w * q.y)); } + + void zpl_quat_rotate_vec3(zpl_vec3 *d, zpl_quat q, zpl_vec3 v) { + /* zpl_vec3 t = 2.0f * cross(q.xyz, v); + * *d = q.w*t + v + cross(q.xyz, t); + */ + zpl_vec3 t, p; + zpl_vec3_cross(&t, q.xyz, v); + zpl_vec3_muleq(&t, 2.0f); + + zpl_vec3_cross(&p, q.xyz, t); + + zpl_vec3_mul(d, t, q.w); + zpl_vec3_addeq(d, v); + zpl_vec3_addeq(d, p); + } + + void zpl_mat4_from_quat(zpl_mat4 *out, zpl_quat q) { + zpl_float4 *m; + zpl_quat a; + zpl_f32 xx, yy, zz, xy, xz, yz, wx, wy, wz; + + zpl_quat_norm(&a, q); + xx = a.x * a.x; + yy = a.y * a.y; + zz = a.z * a.z; + xy = a.x * a.y; + xz = a.x * a.z; + yz = a.y * a.z; + wx = a.w * a.x; + wy = a.w * a.y; + wz = a.w * a.z; + + zpl_mat4_identity(out); + m = zpl_float44_m(out); + + m[0][0] = 1.0f - 2.0f * (yy + zz); + m[0][1] = 2.0f * (xy + wz); + m[0][2] = 2.0f * (xz - wy); + + m[1][0] = 2.0f * (xy - wz); + m[1][1] = 1.0f - 2.0f * (xx + zz); + m[1][2] = 2.0f * (yz + wx); + + m[2][0] = 2.0f * (xz + wy); + m[2][1] = 2.0f * (yz - wx); + m[2][2] = 1.0f - 2.0f * (xx + yy); + } + + void zpl_quat_from_mat4(zpl_quat *out, zpl_mat4 *mat) { + zpl_float4 *m; + zpl_f32 four_x_squared_minus_1, four_y_squared_minus_1, four_z_squared_minus_1, four_w_squared_minus_1, + four_biggest_squared_minus_1; + int biggest_index = 0; + zpl_f32 biggest_value, mult; + + m = zpl_float44_m(mat); + + four_x_squared_minus_1 = m[0][0] - m[1][1] - m[2][2]; + four_y_squared_minus_1 = m[1][1] - m[0][0] - m[2][2]; + four_z_squared_minus_1 = m[2][2] - m[0][0] - m[1][1]; + four_w_squared_minus_1 = m[0][0] + m[1][1] + m[2][2]; + + four_biggest_squared_minus_1 = four_w_squared_minus_1; + if (four_x_squared_minus_1 > four_biggest_squared_minus_1) { + four_biggest_squared_minus_1 = four_x_squared_minus_1; + biggest_index = 1; + } + if (four_y_squared_minus_1 > four_biggest_squared_minus_1) { + four_biggest_squared_minus_1 = four_y_squared_minus_1; + biggest_index = 2; + } + if (four_z_squared_minus_1 > four_biggest_squared_minus_1) { + four_biggest_squared_minus_1 = four_z_squared_minus_1; + biggest_index = 3; + } + + biggest_value = zpl_sqrt(four_biggest_squared_minus_1 + 1.0f) * 0.5f; + mult = 0.25f / biggest_value; + + switch (biggest_index) { + case 0: + out->w = biggest_value; + out->x = (m[1][2] - m[2][1]) * mult; + out->y = (m[2][0] - m[0][2]) * mult; + out->z = (m[0][1] - m[1][0]) * mult; + break; + case 1: + out->w = (m[1][2] - m[2][1]) * mult; + out->x = biggest_value; + out->y = (m[0][1] + m[1][0]) * mult; + out->z = (m[2][0] + m[0][2]) * mult; + break; + case 2: + out->w = (m[2][0] - m[0][2]) * mult; + out->x = (m[0][1] + m[1][0]) * mult; + out->y = biggest_value; + out->z = (m[1][2] + m[2][1]) * mult; + break; + case 3: + out->w = (m[0][1] - m[1][0]) * mult; + out->x = (m[2][0] + m[0][2]) * mult; + out->y = (m[1][2] + m[2][1]) * mult; + out->z = biggest_value; + break; + } + } + + zpl_f32 zpl_plane_distance(zpl_plane* p, zpl_vec3 v) { + return (p->a * v.x + p->b * v.y + p->c * v.z + p->d); + } + + void zpl_frustum_create(zpl_frustum* out, zpl_mat4* camera, zpl_mat4* proj) { + zpl_mat4 pv; + + zpl_mat4_mul(&pv, camera, proj); + + register zpl_plane* fp = 0; + zpl_f32 rmag; + + fp = &out->x1; + fp->a = pv.x.w + pv.x.x; + fp->b = pv.y.w + pv.x.y; + fp->c = pv.z.w + pv.x.z; + fp->d = pv.w.w + pv.x.w; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag; + + fp = &out->x2; + + fp->a = pv.x.w - pv.x.x; + fp->b = pv.y.w - pv.x.y; + fp->c = pv.z.w - pv.x.z; + fp->d = pv.w.w - pv.x.w; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag; + + fp = &out->y1; + + fp->a = pv.x.w - pv.y.x; + fp->b = pv.y.w - pv.y.y; + fp->c = pv.z.w - pv.y.w; + fp->d = pv.w.w - pv.y.z; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag; + + fp = &out->y2; + + fp->a = pv.x.w + pv.y.x; + fp->b = pv.y.w + pv.y.y; + fp->c = pv.z.w + pv.y.z; + fp->d = pv.w.w + pv.y.w; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag;; + + fp = &out->z1; + + fp->a = pv.x.w + pv.z.x; + fp->b = pv.y.w + pv.z.y; + fp->c = pv.z.w + pv.z.z; + fp->d = pv.w.w + pv.z.w; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag; + + fp = &out->z2; + + fp->a = pv.x.w - pv.z.x; + fp->b = pv.y.w - pv.z.y; + fp->c = pv.z.w - pv.z.z; + fp->d = pv.w.w - pv.z.w; + + rmag = zpl_rsqrt(zpl_square(fp->a) + zpl_square(fp->b) + zpl_square(fp->c)); + + fp->a *= rmag; + fp->b *= rmag; + fp->c *= rmag; + fp->d *= rmag; + } + + zpl_b8 zpl_frustum_sphere_inside(zpl_frustum* frustum, zpl_vec3 center, zpl_f32 radius) { + if (zpl_plane_distance(&frustum->x1, center) <= -radius) return 0; + if (zpl_plane_distance(&frustum->x2, center) <= -radius) return 0; + if (zpl_plane_distance(&frustum->y1, center) <= -radius) return 0; + if (zpl_plane_distance(&frustum->y2, center) <= -radius) return 0; + if (zpl_plane_distance(&frustum->z1, center) <= -radius) return 0; + if (zpl_plane_distance(&frustum->z2, center) <= -radius) return 0; + + return 1; + } + + zpl_b8 zpl_frustum_point_inside(zpl_frustum* frustum, zpl_vec3 point) { + return zpl_frustum_sphere_inside(frustum, point, 0.0f); + } + + zpl_b8 zpl_frustum_box_inside(zpl_frustum* frustum, zpl_aabb3 aabb) { + + zpl_vec3 box = aabb.half_size; + zpl_vec3 v, b; + + b = zpl_vec3f(-box.x, -box.y, -box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(+box.x, -box.y, -box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(-box.x, +box.y, -box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(+box.x, +box.y, -box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(+box.x, +box.y, +box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(-box.x, +box.y, +box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(-box.x, -box.y, +box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + b = zpl_vec3f(+box.x, -box.y, +box.z); + zpl_vec3_add(&v, b, aabb.centre); + + if (zpl_frustum_point_inside(frustum, v)) return 1; + + return 0; + } + + zpl_f32 zpl_lerp(zpl_f32 a, zpl_f32 b, zpl_f32 t) { return a * (1.0f - t) + b * t; } + zpl_f32 zpl_unlerp(zpl_f32 t, zpl_f32 a, zpl_f32 b) { return (t - a) / (b - a); } + zpl_f32 zpl_smooth_step(zpl_f32 a, zpl_f32 b, zpl_f32 t) { + zpl_f32 x = (t - a) / (b - a); + return x * x * (3.0f - 2.0f * x); + } + zpl_f32 zpl_smoother_step(zpl_f32 a, zpl_f32 b, zpl_f32 t) { + zpl_f32 x = (t - a) / (b - a); + return x * x * x * (x * (6.0f * x - 15.0f) + 10.0f); + } + + #define ZPL_VEC_LERPN(N, d, a, b, t) \ + zpl_vec##N db; \ + zpl_vec##N##_sub(&db, b, a); \ + zpl_vec##N##_muleq(&db, t); \ + zpl_vec##N##_add(d, a, db) + + void zpl_vec2_lerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 b, zpl_f32 t) { ZPL_VEC_LERPN(2, d, a, b, t); } + void zpl_vec3_lerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 b, zpl_f32 t) { ZPL_VEC_LERPN(3, d, a, b, t); } + void zpl_vec4_lerp(zpl_vec4 *d, zpl_vec4 a, zpl_vec4 b, zpl_f32 t) { ZPL_VEC_LERPN(4, d, a, b, t); } + + #undef ZPL_VEC_LERPN + + void zpl_vec2_cslerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 v0, zpl_vec2 b, zpl_vec2 v1, zpl_f32 t) { + zpl_f32 t2 = t * t; + zpl_f32 ti = (t - 1); + zpl_f32 ti2 = ti * ti; + + zpl_f32 h00 = (1 + 2 * t) * ti2; + zpl_f32 h10 = t * ti2; + zpl_f32 h01 = t2 * (3 - 2 * t); + zpl_f32 h11 = t2 * ti; + + d->x = h00 * a.x + h10 * v0.x + h01 * b.x + h11 * v1.x; + d->y = h00 * a.y + h10 * v0.y + h01 * b.y + h11 * v1.y; + } + + void zpl_vec3_cslerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 v0, zpl_vec3 b, zpl_vec3 v1, zpl_f32 t) { + zpl_f32 t2 = t * t; + zpl_f32 ti = (t - 1); + zpl_f32 ti2 = ti * ti; + + zpl_f32 h00 = (1 + 2 * t) * ti2; + zpl_f32 h10 = t * ti2; + zpl_f32 h01 = t2 * (3 - 2 * t); + zpl_f32 h11 = t2 * ti; + + d->x = h00 * a.x + h10 * v0.x + h01 * b.x + h11 * v1.x; + d->y = h00 * a.y + h10 * v0.y + h01 * b.y + h11 * v1.y; + d->z = h00 * a.z + h10 * v0.z + h01 * b.z + h11 * v1.z; + } + + void zpl_vec2_dcslerp(zpl_vec2 *d, zpl_vec2 a, zpl_vec2 v0, zpl_vec2 b, zpl_vec2 v1, zpl_f32 t) { + zpl_f32 t2 = t * t; + + zpl_f32 dh00 = 6 * t2 - 6 * t; + zpl_f32 dh10 = 3 * t2 - 4 * t + 1; + zpl_f32 dh01 = -6 * t2 + 6 * t; + zpl_f32 dh11 = 3 * t2 - 2 * t; + + d->x = dh00 * a.x + dh10 * v0.x + dh01 * b.x + dh11 * v1.x; + d->y = dh00 * a.y + dh10 * v0.y + dh01 * b.y + dh11 * v1.y; + } + + void zpl_vec3_dcslerp(zpl_vec3 *d, zpl_vec3 a, zpl_vec3 v0, zpl_vec3 b, zpl_vec3 v1, zpl_f32 t) { + zpl_f32 t2 = t * t; + + zpl_f32 dh00 = 6 * t2 - 6 * t; + zpl_f32 dh10 = 3 * t2 - 4 * t + 1; + zpl_f32 dh01 = -6 * t2 + 6 * t; + zpl_f32 dh11 = 3 * t2 - 2 * t; + + d->x = dh00 * a.x + dh10 * v0.x + dh01 * b.x + dh11 * v1.x; + d->y = dh00 * a.y + dh10 * v0.y + dh01 * b.y + dh11 * v1.y; + d->z = dh00 * a.z + dh10 * v0.z + dh01 * b.z + dh11 * v1.z; + } + + void zpl_quat_lerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t) { zpl_vec4_lerp(&d->xyzw, a.xyzw, b.xyzw, t); } + void zpl_quat_nlerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t) { + zpl_quat_lerp(d, a, b, t); + zpl_quat_norm(d, *d); + } + + void zpl_quat_slerp(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t) { + zpl_quat x, y, z; + zpl_f32 cos_theta, angle; + zpl_f32 s1, s0, is; + + z = b; + cos_theta = zpl_quat_dot(a, b); + + if (cos_theta < 0.0f) { + z = zpl_quatf(-b.x, -b.y, -b.z, -b.w); + cos_theta = -cos_theta; + } + + if (cos_theta > 1.0f) { + /* NOTE: Use lerp not nlerp as it's not a real angle or they are not normalized */ + zpl_quat_lerp(d, a, b, t); + } + + angle = zpl_arccos(cos_theta); + + s1 = zpl_sin((1.0f - t) * angle); + s0 = zpl_sin(t * angle); + is = 1.0f / zpl_sin(angle); + zpl_quat_mulf(&x, a, s1); + zpl_quat_mulf(&y, z, s0); + zpl_quat_add(d, x, y); + zpl_quat_muleqf(d, is); + } + + void zpl_quat_slerp_approx(zpl_quat *d, zpl_quat a, zpl_quat b, zpl_f32 t) { + /* NOTE: Derived by taylor expanding the geometric interpolation equation + * Even works okay for nearly anti-parallel versors!!! + */ + /* NOTE: Extra interations cannot be used as they require angle^4 which is not worth it to approximate */ + zpl_f32 tp = t + (1.0f - zpl_quat_dot(a, b)) / 3.0f * t * (-2.0f * t * t + 3.0f * t - 1.0f); + zpl_quat_nlerp(d, a, b, tp); + } + + void zpl_quat_nquad(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t) { + zpl_quat x, y; + zpl_quat_nlerp(&x, p, q, t); + zpl_quat_nlerp(&y, a, b, t); + zpl_quat_nlerp(d, x, y, 2.0f * t * (1.0f - t)); + } + + void zpl_quat_squad(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t) { + zpl_quat x, y; + zpl_quat_slerp(&x, p, q, t); + zpl_quat_slerp(&y, a, b, t); + zpl_quat_slerp(d, x, y, 2.0f * t * (1.0f - t)); + } + + void zpl_quat_squad_approx(zpl_quat *d, zpl_quat p, zpl_quat a, zpl_quat b, zpl_quat q, zpl_f32 t) { + zpl_quat x, y; + zpl_quat_slerp_approx(&x, p, q, t); + zpl_quat_slerp_approx(&y, a, b, t); + zpl_quat_slerp_approx(d, x, y, 2.0f * t * (1.0f - t)); + } + + zpl_rect2 zpl_rect2f(zpl_vec2 pos, zpl_vec2 dim) { + zpl_rect2 r; + r.pos = pos; + r.dim = dim; + return r; + } + + zpl_rect3 zpl_rect3f(zpl_vec3 pos, zpl_vec3 dim) { + zpl_rect3 r; + r.pos = pos; + r.dim = dim; + return r; + } + + int zpl_rect2_contains(zpl_rect2 a, zpl_f32 x, zpl_f32 y) { + zpl_f32 min_x = zpl_min(a.pos.x, a.pos.x + a.dim.x); + zpl_f32 max_x = zpl_max(a.pos.x, a.pos.x + a.dim.x); + zpl_f32 min_y = zpl_min(a.pos.y, a.pos.y + a.dim.y); + zpl_f32 max_y = zpl_max(a.pos.y, a.pos.y + a.dim.y); + int result = (x >= min_x) & (x < max_x) & (y >= min_y) & (y < max_y); + return result; + } + + int zpl_rect2_contains_vec2(zpl_rect2 a, zpl_vec2 p) { return zpl_rect2_contains(a, p.x, p.y); } + + int zpl_rect2_intersects(zpl_rect2 a, zpl_rect2 b) { + zpl_rect2 r = { 0 }; + return zpl_rect2_intersection_result(a, b, &r); + } + + int zpl_rect2_intersection_result(zpl_rect2 a, zpl_rect2 b, zpl_rect2 *intersection) { + zpl_f32 a_min_x = zpl_min(a.pos.x, a.pos.x + a.dim.x); + zpl_f32 a_max_x = zpl_max(a.pos.x, a.pos.x + a.dim.x); + zpl_f32 a_min_y = zpl_min(a.pos.y, a.pos.y + a.dim.y); + zpl_f32 a_max_y = zpl_max(a.pos.y, a.pos.y + a.dim.y); + + zpl_f32 b_min_x = zpl_min(b.pos.x, b.pos.x + b.dim.x); + zpl_f32 b_max_x = zpl_max(b.pos.x, b.pos.x + b.dim.x); + zpl_f32 b_min_y = zpl_min(b.pos.y, b.pos.y + b.dim.y); + zpl_f32 b_max_y = zpl_max(b.pos.y, b.pos.y + b.dim.y); + + zpl_f32 x0 = zpl_max(a_min_x, b_min_x); + zpl_f32 y0 = zpl_max(a_min_y, b_min_y); + zpl_f32 x1 = zpl_min(a_max_x, b_max_x); + zpl_f32 y1 = zpl_min(a_max_y, b_max_y); + + if ((x0 < x1) && (y0 < y1)) { + zpl_rect2 r = zpl_rect2f(zpl_vec2f(x0, y0), zpl_vec2f(x1 - x0, y1 - y0)); + *intersection = r; + return 1; + } else { + zpl_rect2 r = { 0 }; + *intersection = r; + return 0; + } + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_JSON) + // file: source/json.c + + //////////////////////////////////////////////////////////////// + // + // JSON5 Parser + // + // + + #ifdef ZPL_EDITOR + #include + #endif + + #include /* needed for INFINITY and NAN */ + + ZPL_BEGIN_C_DECLS + + static ZPL_ALWAYS_INLINE zpl_b32 zpl__json_is_special_char(char c) { return !!zpl_strchr("<>:/", c); } + static ZPL_ALWAYS_INLINE zpl_b32 zpl__json_is_assign_char(char c) { return !!zpl_strchr(":=|", c); } + static ZPL_ALWAYS_INLINE zpl_b32 zpl__json_is_delim_char(char c) { return !!zpl_strchr(",|\n", c); } + + char *zpl__json_parse_object(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code); + char *zpl__json_parse_array(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code); + char *zpl__json_parse_value(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code); + + #define jx(x) !zpl_char_is_hex_digit(str[x]) + ZPL_ALWAYS_INLINE zpl_b32 zpl__json_validate_name(char *str, char *err) { + while (*str) { + if ((str[0] == '\\' && !zpl_char_is_control(str[1])) && + (str[0] == '\\' && jx(1) && jx(2) && jx(3) && jx(4))) { + *err = *str; + return false; + } + + ++str; + } + + return true; + } + #undef jx + + + void zpl_json_parse(zpl_json_object *root, zpl_usize len, char *source, zpl_allocator a, zpl_b32 handle_comments, + zpl_u8 *err_code) { + + if (!root || !source) + { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_OBJECT_OR_SOURCE_WAS_NULL; + return; + } + + zpl_unused(len); + + char *dest = (char *)source; + + if (handle_comments) { + zpl_b32 is_lit = false; + char lit_c = '\0'; + char *p = dest; + char *b = dest; + zpl_isize l = 0; + + while (*p) { + if (!is_lit) { + if ((*p == '"' || *p == '\'')) { + lit_c = *p; + is_lit = true; + ++p; + continue; + } + } else { + if (*p == '\\' && *(p + 1) && *(p + 1) == lit_c) { + p += 2; + continue; + } else if (*p == lit_c) { + is_lit = false; + ++p; + continue; + } + } + + if (!is_lit) { + // NOTE(ZaKlaus): block comment + if (p[0] == '/' && p[1] == '*') { + b = p; + l = 2; + p += 2; + + while (p[0] != '*' && p[1] != '/') { + ++p; + ++l; + } + p += 2; + l += 2; + zpl_memset(b, ' ', l); + } + + // NOTE(ZaKlaus): inline comment + if (p[0] == '/' && p[1] == '/') { + b = p; + l = 2; + p += 2; + + while (p[0] != '\n') { + ++p; + ++l; + } + ++l; + zpl_memset(b, ' ', l); + } + } + + ++p; + } + } + + if (err_code) *err_code = ZPL_JSON_ERROR_NONE; + zpl_json_object root_ = { 0 }; + + dest = zpl_str_trim(dest, false); + + zpl_b32 starts_with_bracket = false; + + if (*dest != '{' && *dest != '[') { root_.cfg_mode = true; } + if (*dest == '[') { starts_with_bracket = true; } + + char *endp = NULL; + + if (!starts_with_bracket) + endp = zpl__json_parse_object(&root_, dest, a, err_code); + else + endp = zpl__json_parse_array(&root_, (dest+1), a, err_code); + + if (!root_.cfg_mode && endp == NULL) { + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + } + + // Replace root node with its child if the JSON document is an array. + if (starts_with_bracket && root_.type != ZPL_JSON_TYPE_ARRAY) { + zpl_json_object *replace = &root_; + *replace = root_.nodes[0]; + } + + *root = root_; + } + + #define zpl___ind(x) \ + for (int i = 0; i < x; ++i) zpl_fprintf(f, " "); + + void zpl__json_write_value(zpl_file *f, zpl_json_object *o, zpl_json_object *t, zpl_isize indent, zpl_b32 is_inline, zpl_b32 is_last); + + void zpl_json_write(zpl_file *f, zpl_json_object *o, zpl_isize indent) { + if (!o) + return; + + zpl___ind(indent - 4); + if (!o->cfg_mode) + zpl_fprintf(f, "{\n"); + else { + indent -= 4; + } + + if (o->nodes) + { + zpl_isize cnt = zpl_array_count(o->nodes); + + for (int i = 0; i < cnt; ++i) { + if (i < cnt - 1) { + zpl__json_write_value(f, o->nodes + i, o, indent, false, false); + } else { + zpl__json_write_value(f, o->nodes + i, o, indent, false, true); + } + } + } + + zpl___ind(indent); + + if (indent > 0) { + zpl_fprintf(f, "}"); + } else { + if (!o->cfg_mode) zpl_fprintf(f, "}\n"); + } + } + + zpl_string zpl_json_write_string(zpl_allocator a, zpl_json_object *obj, zpl_isize indent) { + zpl_file tmp; + zpl_file_stream_new(&tmp, a); + zpl_json_write(&tmp, obj, indent); + zpl_file_seek(&tmp, 0); + zpl_i64 fsize = zpl_file_size(&tmp)-1; + zpl_string output = zpl_string_make_reserve(a, fsize+1); + zpl_file_read(&tmp, output, fsize); + zpl_file_close(&tmp); + return output; + } + + void zpl__json_write_value(zpl_file *f, zpl_json_object *o, zpl_json_object *t, zpl_isize indent, zpl_b32 is_inline, zpl_b32 is_last) { + zpl_json_object *node = o; + indent += 4; + + if (!is_inline) { + zpl___ind(indent); + switch (node->name_style) { + case ZPL_JSON_NAME_STYLE_DOUBLE_QUOTE: { + zpl_fprintf(f, "\"%s\"", node->name); + } break; + + case ZPL_JSON_NAME_STYLE_SINGLE_QUOTE: { + zpl_fprintf(f, "\'%s\'", node->name); + } break; + + case ZPL_JSON_NAME_STYLE_NO_QUOTES: { + zpl_fprintf(f, "%s", node->name); + } break; + } + + if (o->assign_style == ZPL_JSON_ASSIGN_STYLE_COLON) + zpl_fprintf(f, ": "); + else { + if (o->name_style != ZPL_JSON_NAME_STYLE_NO_QUOTES) + zpl___ind(1); + + if (o->assign_style == ZPL_JSON_ASSIGN_STYLE_EQUALS) + zpl_fprintf(f, "= "); + else if (o->assign_style == ZPL_JSON_ASSIGN_STYLE_LINE) + zpl_fprintf(f, "| "); + } + + } + + switch (node->type) { + case ZPL_JSON_TYPE_STRING: { + zpl_fprintf(f, "\"%s\"", node->string); + } break; + + case ZPL_JSON_TYPE_MULTISTRING: { + zpl_fprintf(f, "`%s`", node->string); + } break; + + case ZPL_JSON_TYPE_ARRAY: { + zpl_fprintf(f, "["); + zpl_isize elemn = zpl_array_count(node->nodes); + for (int j = 0; j < elemn; ++j) { + if ((node->nodes + j)->type == ZPL_JSON_TYPE_OBJECT || (node->nodes + j)->type == ZPL_JSON_TYPE_ARRAY) { + zpl__json_write_value(f, node->nodes + j, o, 0, true, true); + } else { + zpl__json_write_value(f, node->nodes + j, o, -4, true, true); + } + + if (j < elemn - 1) { zpl_fprintf(f, ", "); } + } + zpl_fprintf(f, "]"); + } break; + + case ZPL_JSON_TYPE_INTEGER: { + if (node->props == ZPL_JSON_PROPS_IS_HEX) { + zpl_fprintf(f, "0x%llx", (long long)node->integer); + } else { + zpl_fprintf(f, "%lld", (long long)node->integer); + } + } break; + + case ZPL_JSON_TYPE_REAL: { + if (node->props == ZPL_JSON_PROPS_NAN) { + zpl_fprintf(f, "NaN"); + } else if (node->props == ZPL_JSON_PROPS_NAN_NEG) { + zpl_fprintf(f, "-NaN"); + } else if (node->props == ZPL_JSON_PROPS_INFINITY) { + zpl_fprintf(f, "Infinity"); + } else if (node->props == ZPL_JSON_PROPS_INFINITY_NEG) { + zpl_fprintf(f, "-Infinity"); + } else if (node->props == ZPL_JSON_PROPS_IS_EXP) { + zpl_fprintf(f, "%lld.%0*d%llde%c%lld", (long long)node->base, node->base2_offset, 0, (long long)node->base2, node->exp_neg ? '-' : '+', + (long long)node->exp); + } else if (node->props == ZPL_JSON_PROPS_IS_PARSED_REAL) { + if (!node->lead_digit) + zpl_fprintf(f, ".%0*d%lld", node->base2_offset, 0, (long long)node->base2); + else + zpl_fprintf(f, "%lld.%0*d%lld", (long long int)node->base2_offset, 0, (int)node->base, (long long)node->base2); + } else { + zpl_fprintf(f, "%f", node->real); + } + } break; + + case ZPL_JSON_TYPE_OBJECT: { + zpl_json_write(f, node, indent); + } break; + + case ZPL_JSON_TYPE_CONSTANT: { + if (node->constant == ZPL_JSON_CONST_TRUE) { + zpl_fprintf(f, "true"); + } else if (node->constant == ZPL_JSON_CONST_FALSE) { + zpl_fprintf(f, "false"); + } else if (node->constant == ZPL_JSON_CONST_NULL) { + zpl_fprintf(f, "null"); + } + } break; + } + + if (!is_inline) { + + if (o->delim_style != ZPL_JSON_DELIM_STYLE_COMMA) + { + if (o->delim_style == ZPL_JSON_DELIM_STYLE_NEWLINE) + zpl_fprintf(f, "\n"); + else if (o->delim_style == ZPL_JSON_DELIM_STYLE_LINE) + { + zpl___ind(o->delim_line_width); + zpl_fprintf(f, "|\n"); + } + } + else + { + if (!is_last) { + zpl_fprintf(f, ",\n"); + } else { + zpl_fprintf(f, "\n"); + } + } + } + } + #undef zpl___ind + + void zpl_json_free(zpl_json_object *obj) { + if ((obj->type == ZPL_JSON_TYPE_OBJECT || obj->type == ZPL_JSON_TYPE_ARRAY) && obj->nodes) { + for (zpl_isize i = 0; i < zpl_array_count(obj->nodes); ++i) { zpl_json_free(obj->nodes + i); } + + zpl_array_free(obj->nodes); + } + } + + char *zpl__json_parse_array(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code) { + ZPL_ASSERT(obj && base); + char *p = base; + + obj->type = ZPL_JSON_TYPE_ARRAY; + zpl_array_init(obj->nodes, a); + obj->backing = a; + + while (*p) { + p = zpl_str_trim(p, false); + + if (p && *p == ']') { + return p; + } + + zpl_json_object elem = { 0 }; + elem.backing = a; + p = zpl__json_parse_value(&elem, p, a, err_code); + + if (err_code && *err_code != ZPL_JSON_ERROR_NONE) { return NULL; } + + zpl_array_append(obj->nodes, elem); + + p = zpl_str_trim(p, false); + + if (*p == ',') { + ++p; + continue; + } else { + if (*p != ']') { + if (err_code) { *err_code = ZPL_JSON_ERROR_INVALID_VALUE; } + } + return p; + } + } + + if (err_code) { *err_code = ZPL_JSON_ERROR_INVALID_VALUE; } + return p; + } + + char *zpl__json_parse_value(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code) { + ZPL_ASSERT(obj && base); + char *p = base; + char *b = base; + char *e = base; + + if (*p == '"' || *p == '\'') { + char c = *p; + obj->type = ZPL_JSON_TYPE_STRING; + b = p + 1; + e = b; + obj->string = b; + + while (*e) { + if (*e == '\\' && *(e + 1) == c) { + e += 2; + continue; + } else if (*e == '\\' && (*(e + 1) == '\r' || *(e + 1) == '\n')) { + *e = ' '; + e++; + continue; + } else if (*e == c) { + break; + } + ++e; + } + + *e = '\0'; + p = e + 1; + } else if (*p == '`') { + obj->type = ZPL_JSON_TYPE_MULTISTRING; + b = p + 1; + e = b; + obj->string = b; + + while (*e) { + if (*e == '\\' && *(e + 1) == '`') { + e += 2; + continue; + } else if (*e == '`') { + break; + } + ++e; + } + + *e = '\0'; + p = e + 1; + } else if (zpl_char_is_alpha(*p) || (*p == '-' && !zpl_char_is_digit(*(p + 1)))) { + obj->type = ZPL_JSON_TYPE_CONSTANT; + + if (!zpl_strncmp(p, "true", 4)) { + obj->constant = ZPL_JSON_CONST_TRUE; + p += 4; + } else if (!zpl_strncmp(p, "false", 5)) { + obj->constant = ZPL_JSON_CONST_FALSE; + p += 5; + } else if (!zpl_strncmp(p, "null", 4)) { + obj->constant = ZPL_JSON_CONST_NULL; + p += 4; + } else if (!zpl_strncmp(p, "Infinity", 8)) { + obj->type = ZPL_JSON_TYPE_REAL; + obj->real = INFINITY; + obj->props = ZPL_JSON_PROPS_INFINITY; + p += 8; + } else if (!zpl_strncmp(p, "-Infinity", 9)) { + obj->type = ZPL_JSON_TYPE_REAL; + obj->real = -INFINITY; + obj->props = ZPL_JSON_PROPS_INFINITY_NEG; + p += 9; + } else if (!zpl_strncmp(p, "NaN", 3)) { + obj->type = ZPL_JSON_TYPE_REAL; + obj->real = NAN; + obj->props = ZPL_JSON_PROPS_NAN; + p += 3; + } else if (!zpl_strncmp(p, "-NaN", 4)) { + obj->type = ZPL_JSON_TYPE_REAL; + obj->real = -NAN; + obj->props = ZPL_JSON_PROPS_NAN_NEG; + p += 4; + } else { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + return NULL; + } + } else if (zpl_char_is_digit(*p) || *p == '+' || *p == '-' || *p == '.') { + obj->type = ZPL_JSON_TYPE_INTEGER; + + b = p; + e = b; + + zpl_isize ib = 0; + char buf[48] = { 0 }; + + if (*e == '+') + ++e; + else if (*e == '-') { + buf[ib++] = *e++; + } + + if (*e == '.') { + obj->type = ZPL_JSON_TYPE_REAL; + obj->props = ZPL_JSON_PROPS_IS_PARSED_REAL; + buf[ib++] = '0'; + obj->lead_digit = false; + + do { + buf[ib++] = *e; + } while (zpl_char_is_digit(*++e)); + } else { + if (*e == '0' && (*(e + 1) == 'x' || *(e + 1) == 'X')) { obj->props = ZPL_JSON_PROPS_IS_HEX; } + while (zpl_char_is_hex_digit(*e) || *e == 'x' || *e == 'X') { buf[ib++] = *e++; } + + if (*e == '.') { + obj->type = ZPL_JSON_TYPE_REAL; + obj->lead_digit = true; + zpl_u32 step = 0; + + do { + buf[ib++] = *e; + ++step; + } while (zpl_char_is_digit(*++e)); + + if (step < 2) { buf[ib++] = '0'; } + } + } + + zpl_i32 exp = 0; + zpl_f32 eb = 10; + char expbuf[6] = { 0 }; + zpl_isize expi = 0; + + if (*e == 'e' || *e == 'E') { + ++e; + if (*e == '+' || *e == '-' || zpl_char_is_digit(*e)) { + if (*e == '-') { eb = 0.1f; } + + if (!zpl_char_is_digit(*e)) { ++e; } + + while (zpl_char_is_digit(*e)) { expbuf[expi++] = *e++; } + } + + exp = (zpl_i32)zpl_str_to_i64(expbuf, NULL, 10); + } + + if (obj->type == ZPL_JSON_TYPE_INTEGER) { + obj->integer = zpl_str_to_i64(buf, 0, 0); + + while (exp-- > 0) { obj->integer *= (zpl_i64)eb; } + } else { + obj->real = zpl_str_to_f64(buf, 0); + + char *q = buf, *qp = q, *qp2 = q; + while (*qp != '.') ++qp; + *qp = '\0'; + qp2 = qp + 1; + char *qpOff = qp2; + while (*qpOff++ == '0') obj->base2_offset++; + + obj->base = (zpl_i32)zpl_str_to_i64(q, 0, 0); + obj->base2 = (zpl_i32)zpl_str_to_i64(qp2, 0, 0); + + if (exp) { + obj->exp = exp; + obj->exp_neg = !(eb == 10.f); + obj->props = ZPL_JSON_PROPS_IS_EXP; + } + + while (exp-- > 0) { obj->real *= eb; } + } + p = e; + } else if (*p == '[') { + p = zpl_str_trim(p + 1, false); + obj->type = ZPL_JSON_TYPE_ARRAY; + if (*p == ']') return (p+1); + p = zpl__json_parse_array(obj, p, a, err_code); + if (err_code && *err_code != ZPL_JSON_ERROR_NONE) { return NULL; } + + ++p; + } else if (*p == '{') { + p = zpl_str_trim(p + 1, false); + obj->type = ZPL_JSON_TYPE_OBJECT; + if (*p == '}') return (p+1); + p = zpl__json_parse_object(obj, p, a, err_code); + + if (err_code && *err_code != ZPL_JSON_ERROR_NONE) { return NULL; } + + ++p; + } + + return p; + } + + char *zpl__json_parse_object(zpl_json_object *obj, char *base, zpl_allocator a, zpl_u8 *err_code) { + ZPL_ASSERT(obj && base); + char *p = base; + char *b = base; + char *e = base; + + zpl_array_init(obj->nodes, a); + obj->backing = a; + + p = zpl_str_trim(p, false); + zpl_b32 starts_with_brace = false; + zpl_b32 starts_with_bracket = false; + /**/ if (*p == '{') { ++p; starts_with_brace = true; obj->type = ZPL_JSON_TYPE_OBJECT; } + else if (*p == '[') { ++p; starts_with_bracket = true; obj->type = ZPL_JSON_TYPE_ARRAY; } + + while (*p) { + zpl_json_object node = { 0 }; + p = zpl_str_trim(p, false); + if (*p == '}' && starts_with_brace) return p; + if (*p == ']' && starts_with_bracket) return p; + + if (*p == ']' && starts_with_brace) { if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; return p; } + if (*p == '}' && starts_with_bracket) { if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; return p; } + + if (*p == '"' || *p == '\'') { + if (*p == '"') { + node.name_style = ZPL_JSON_NAME_STYLE_DOUBLE_QUOTE; + } else { + node.name_style = ZPL_JSON_NAME_STYLE_SINGLE_QUOTE; + } + + char c = *p; + b = ++p; + e = zpl_str_control_skip(b, c); + node.name = b; + *e = '\0'; + p = ++e; + p = zpl_str_trim(p, false); + if (!zpl__json_is_assign_char(*p)) { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_NAME; + return NULL; + } + } + else { + if (*p == '[') { + starts_with_bracket = true; + if (node.name) *node.name = '\0'; + p = zpl__json_parse_value(&node, p, a, err_code); + goto l_parsed; + } + else if (zpl_char_is_alpha(*p) || *p == '_' || *p == '$') { + b = p; + e = b; + + do { + ++e; + } while (*e && (zpl_char_is_alphanumeric(*e) || *e == '_') && !zpl_char_is_space(*e) && !zpl__json_is_assign_char(*e)); + + if (zpl_char_is_space(*e)) { + // NOTE(zaklaus): We know this is where the node name ends, cut it here + *e = '\0'; + ++e; + } + + if (zpl__json_is_assign_char(*e)) { + p = e; + + if (*e == '=') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_EQUALS; + else if (*e == '|') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_LINE; + } + else { + while (*e) { + if (*e && (!zpl_char_is_space(*e) || zpl__json_is_assign_char(*e))) + { + if (*e == '=') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_EQUALS; + else if (*e == '|') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_LINE; + + break; + } + ++e; + } + + e = zpl_str_trim(e, false); + p = e; + + if (*p && !zpl__json_is_assign_char(*p)) { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_NAME; + return NULL; + } + else + { + if (*p == '=') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_EQUALS; + else if (*p == '|') + node.assign_style = ZPL_JSON_ASSIGN_STYLE_LINE; + } + } + + *e = '\0'; + node.name = b; + node.name_style = ZPL_JSON_NAME_STYLE_NO_QUOTES; + } + } + + char errc; + if (node.name && !zpl__json_validate_name(node.name, &errc)) { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_NAME; + return NULL; + } + + p = zpl_str_trim(p + 1, false); + p = zpl__json_parse_value(&node, p, a, err_code); + node.backing = obj->backing; + + if (err_code && *err_code != ZPL_JSON_ERROR_NONE) { return NULL; } + + l_parsed: + + if (err_code && *err_code != ZPL_JSON_ERROR_NONE) { return NULL; } + + zpl_array_append(obj->nodes, node); + + char *wp = p; + p = zpl_str_trim(p, true); + zpl_u8 wl = cast(zpl_u8)(p-wp); + + if (zpl__json_is_delim_char(*p) || *p == '\0') { + zpl_json_object *n = zpl_array_end(obj->nodes); + + if (*p == '\n') + n->delim_style = ZPL_JSON_DELIM_STYLE_NEWLINE; + else if (*p == '|') { + n->delim_style = ZPL_JSON_DELIM_STYLE_LINE; + n->delim_line_width = wl; + } + else if (*p == '\0') { + return p; + } + + p = zpl_str_trim(p + 1, false); + if (*p == '\0' || *p == '}' || *p == ']') + return p; + else + continue; + } else if (*p == '\0' || *p == '}' || *p == ']') { + if (starts_with_brace && *p != '}') + { + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + return NULL; + } + + if (starts_with_bracket && *p != ']') + { + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + return NULL; + } + + return p; + } else { + ZPL_JSON_ASSERT; + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + return NULL; + } + } + if (err_code) *err_code = ZPL_JSON_ERROR_INVALID_VALUE; + return p; + } + + zpl_json_object *zpl_json_find(zpl_json_object *obj, char const *name, zpl_b32 deep_search) + { + if (obj->type != ZPL_JSON_TYPE_OBJECT) + { + return NULL; + } + + for (zpl_isize i = 0; i < zpl_array_count(obj->nodes); i++) + { + if (!zpl_strcmp(obj->nodes[i].name, name)) + { + return (obj->nodes + i); + } + } + + if (deep_search) + { + for (zpl_isize i = 0; i < zpl_array_count(obj->nodes); i++) + { + zpl_json_object *res = zpl_json_find(obj->nodes + i, name, deep_search); + + if (res != NULL) + return res; + } + } + + return NULL; + } + + void zpl_json_init_node(zpl_json_object *obj, zpl_allocator backing, char const *name, zpl_u8 type) + { + obj->name = (char *)name; + obj->type = type; + obj->backing = backing; + + if (type == ZPL_JSON_TYPE_ARRAY || type == ZPL_JSON_TYPE_OBJECT) + { + zpl_array_init(obj->nodes, backing); + } + } + + zpl_json_object *zpl_json_add_at(zpl_json_object *obj, zpl_isize index, char const *name, zpl_u8 type) + { + if (!obj || (obj->type != ZPL_JSON_TYPE_OBJECT && obj->type != ZPL_JSON_TYPE_ARRAY)) + { + return NULL; + } + + if (!obj->nodes) + return NULL; + + if (index < 0 || index > zpl_array_count(obj->nodes)) + return NULL; + + zpl_json_object o = {0}; + zpl_json_init_node(&o, obj->backing, name, type); + + zpl_array_append_at(obj->nodes, o, index); + + return obj->nodes + index; + } + + zpl_json_object *zpl_json_add(zpl_json_object *obj, char const *name, zpl_u8 type) + { + if (!obj || (obj->type != ZPL_JSON_TYPE_OBJECT && obj->type != ZPL_JSON_TYPE_ARRAY)) + { + return NULL; + } + + if (!obj->nodes) + return NULL; + + return zpl_json_add_at(obj, zpl_array_count(obj->nodes), name, type); + } + + ZPL_END_C_DECLS +#endif + +#if defined(ZPL_MODULE_THREADING) + // file: source/threading/atomic.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + //////////////////////////////////////////////////////////////// + // + // Concurrency + // + // + // IMPORTANT TODO: Use compiler intrinsics for the atomics + + #if defined(ZPL_COMPILER_MSVC) && !defined(ZPL_COMPILER_CLANG) + zpl_i32 zpl_atomic32_load (zpl_atomic32 const *a) { return a->value; } + void zpl_atomic32_store(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) value) { a->value = value; } + + zpl_i32 zpl_atomic32_compare_exchange(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) expected, zpl_atomicarg(zpl_i32) desired) { + return _InterlockedCompareExchange(cast(long *)a, desired, expected); + } + zpl_i32 zpl_atomic32_exchange(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) desired) { + return _InterlockedExchange(cast(long *)a, desired); + } + zpl_i32 zpl_atomic32_fetch_add(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + return _InterlockedExchangeAdd(cast(long *)a, operand); + } + zpl_i32 zpl_atomic32_fetch_and(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + return _InterlockedAnd(cast(long *)a, operand); + } + zpl_i32 zpl_atomic32_fetch_or(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + return _InterlockedOr(cast(long *)a, operand); + } + + zpl_i64 zpl_atomic64_load(zpl_atomic64 const *a) { + #if defined(ZPL_ARCH_64_BIT) + return a->value; + #elif ZPL_CPU_X86 + // NOTE: The most compatible way to get an atomic 64-bit load on x86 is with cmpxchg8b + zpl_atomicarg(zpl_i64) result; + __asm { + mov esi, a; + mov ebx, eax; + mov ecx, edx; + lock cmpxchg8b [esi]; + mov dword ptr result, eax; + mov dword ptr result[4], edx; + } + return result; + #else + #error TODO: atomics for this CPU + #endif + } + + void zpl_atomic64_store(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) value) { + #if defined(ZPL_ARCH_64_BIT) + a->value = value; + #elif ZPL_CPU_X86 + // NOTE: The most compatible way to get an atomic 64-bit store on x86 is with cmpxchg8b + __asm { + mov esi, a; + mov ebx, dword ptr value; + mov ecx, dword ptr value[4]; + retry: + cmpxchg8b [esi]; + jne retry; + } + #else + #error TODO: atomics for this CPU + #endif + } + + zpl_i64 zpl_atomic64_compare_exchange(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) expected, zpl_atomicarg(zpl_i64) desired) { + return _InterlockedCompareExchange64(cast(zpl_atomicarg(zpl_i64) *)a, desired, expected); + } + + zpl_i64 zpl_atomic64_exchange(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) desired) { + #if defined(ZPL_ARCH_64_BIT) + return _InterlockedExchange64(cast(zpl_atomicarg(zpl_i64) *)a, desired); + #elif ZPL_CPU_X86 + zpl_atomicarg(zpl_i64) expected = a->value; + for (;;) { + zpl_atomicarg(zpl_i64) original = _InterlockedCompareExchange64(cast(zpl_atomicarg(zpl_i64) *)a, desired, expected); + if (original == expected) + return original; + expected = original; + } + #else + #error TODO: atomics for this CPU + #endif + } + + zpl_i64 zpl_atomic64_fetch_add(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + return _InterlockedExchangeAdd64(cast(zpl_atomicarg(zpl_i64) *)a, operand); + #elif ZPL_CPU_X86 + zpl_atomicarg(zpl_i64) expected = a->value; + for (;;) { + zpl_atomicarg(zpl_i64) original = _InterlockedCompareExchange64(cast(zpl_atomicarg(zpl_i64) *)a, expected + operand, expected); + if (original == expected) + return original; + expected = original; + } + #else + #error TODO: atomics for this CPU + #endif + } + + zpl_i64 zpl_atomic64_fetch_and(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + return _InterlockedAnd64(cast(zpl_atomicarg(zpl_i64) *)a, operand); + #elif ZPL_CPU_X86 + zpl_atomicarg(zpl_i64) expected = a->value; + for (;;) { + zpl_atomicarg(zpl_i64) original = _InterlockedCompareExchange64(cast(zpl_atomicarg(zpl_i64) *)a, expected & operand, expected); + if (original == expected) + return original; + expected = original; + } + #else + #error TODO: atomics for this CPU + #endif + } + + zpl_i64 zpl_atomic64_fetch_or(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + return _InterlockedOr64(cast(zpl_atomicarg(zpl_i64) *)a, operand); + #elif ZPL_CPU_X86 + zpl_atomicarg(zpl_i64) expected = a->value; + for (;;) { + zpl_atomicarg(zpl_i64) original = _InterlockedCompareExchange64(cast(zpl_atomicarg(zpl_i64) *)a, expected | operand, expected); + if (original == expected) + return original; + expected = original; + } + #else + #error TODO: atomics for this CPU + #endif + } + + #elif defined(ZPL_CPU_X86) + + zpl_i32 zpl_atomic32_load (zpl_atomic32 const *a) { return a->value; } + void zpl_atomic32_store(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) value) { a->value = value; } + + zpl_i32 zpl_atomic32_compare_exchange(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) expected, zpl_atomicarg(zpl_i32) desired) { + zpl_atomicarg(zpl_i32) original; + __asm__( + "lock; cmpxchgl %2, %1" + : "=a"(original), "+m"(a->value) + : "q"(desired), "0"(expected) + ); + return original; + } + + zpl_i32 zpl_atomic32_exchange(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) desired) { + // NOTE: No lock prefix is necessary for xchgl + zpl_atomicarg(zpl_i32) original; + __asm__( + "xchgl %0, %1" + : "=r"(original), "+m"(a->value) + : "0"(desired) + ); + return original; + } + + zpl_i32 zpl_atomic32_fetch_add(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + zpl_atomicarg(zpl_i32) original; + __asm__( + "lock; xaddl %0, %1" + : "=r"(original), "+m"(a->value) + : "0"(operand) + ); + return original; + } + + zpl_i32 zpl_atomic32_fetch_and(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + zpl_atomicarg(zpl_i32) original; + zpl_atomicarg(zpl_i32) tmp; + __asm__( + "1: movl %1, %0\n" + " movl %0, %2\n" + " andl %3, %2\n" + " lock; cmpxchgl %2, %1\n" + " jne 1b" + : "=&a"(original), "+m"(a->value), "=&r"(tmp) + : "r"(operand) + ); + return original; + } + + zpl_i32 zpl_atomic32_fetch_or(zpl_atomic32 *a, zpl_atomicarg(zpl_i32) operand) { + zpl_atomicarg(zpl_i32) original; + zpl_atomicarg(zpl_i32) temp; + __asm__( + "1: movl %1, %0\n" + " movl %0, %2\n" + " orl %3, %2\n" + " lock; cmpxchgl %2, %1\n" + " jne 1b" + : "=&a"(original), "+m"(a->value), "=&r"(temp) + : "r"(operand) + ); + return original; + } + + + zpl_i64 zpl_atomic64_load(zpl_atomic64 const *a) { + #if defined(ZPL_ARCH_64_BIT) + return a->value; + #else + zpl_atomicarg(zpl_i64) original; + __asm__( + "movl %%ebx, %%eax\n" + "movl %%ecx, %%edx\n" + "lock; cmpxchg8b %1" + : "=&A"(original) + : "m"(a->value) + ); + return original; + #endif + } + + void zpl_atomic64_store(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) value) { + #if defined(ZPL_ARCH_64_BIT) + a->value = value; + #else + zpl_atomicarg(zpl_i64) expected = a->value; + __asm__( + "1: cmpxchg8b %0\n" + " jne 1b" + : "=m"(a->value) + : "b"((zpl_atomicarg(zpl_i32))value), "c"((zpl_atomicarg(zpl_i32))(value >> 32)), "A"(expected) + ); + #endif + } + + zpl_i64 zpl_atomic64_compare_exchange(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) expected, zpl_atomicarg(zpl_i64) desired) { + #if defined(ZPL_ARCH_64_BIT) + zpl_atomicarg(zpl_i64) original; + __asm__( + "lock; cmpxchgq %2, %1" + : "=a"(original), "+m"(a->value) + : "q"(desired), "0"(expected) + ); + return original; + #else + zpl_atomicarg(zpl_i64) original; + __asm__( + "lock; cmpxchg8b %1" + : "=A"(original), "+m"(a->value) + : "b"((zpl_atomicarg(zpl_i32))desired), "c"((zpl_atomicarg(zpl_i32))(desired >> 32)), "0"(expected) + ); + return original; + #endif + } + + zpl_i64 zpl_atomic64_exchange(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) desired) { + #if defined(ZPL_ARCH_64_BIT) + zpl_atomicarg(zpl_i64) original; + __asm__( + "xchgq %0, %1" + : "=r"(original), "+m"(a->value) + : "0"(desired) + ); + return original; + #else + zpl_atomicarg(zpl_i64) original = a->value; + for (;;) { + zpl_atomicarg(zpl_i64) previous = zpl_atomic64_compare_exchange(a, original, desired); + if (original == previous) + return original; + original = previous; + } + #endif + } + + zpl_i64 zpl_atomic64_fetch_add(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + zpl_atomicarg(zpl_i64) original; + __asm__( + "lock; xaddq %0, %1" + : "=r"(original), "+m"(a->value) + : "0"(operand) + ); + return original; + #else + for (;;) { + zpl_atomicarg(zpl_i64) original = a->value; + if (zpl_atomic64_compare_exchange(a, original, original + operand) == original) + return original; + } + #endif + } + + zpl_i64 zpl_atomic64_fetch_and(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + zpl_atomicarg(zpl_i64) original; + zpl_atomicarg(zpl_i64) tmp; + __asm__( + "1: movq %1, %0\n" + " movq %0, %2\n" + " andq %3, %2\n" + " lock; cmpxchgq %2, %1\n" + " jne 1b" + : "=&a"(original), "+m"(a->value), "=&r"(tmp) + : "r"(operand) + ); + return original; + #else + for (;;) { + zpl_atomicarg(zpl_i64) original = a->value; + if (zpl_atomic64_compare_exchange(a, original, original & operand) == original) + return original; + } + #endif + } + + zpl_i64 zpl_atomic64_fetch_or(zpl_atomic64 *a, zpl_atomicarg(zpl_i64) operand) { + #if defined(ZPL_ARCH_64_BIT) + zpl_atomicarg(zpl_i64) original; + zpl_atomicarg(zpl_i64) temp; + __asm__( + "1: movq %1, %0\n" + " movq %0, %2\n" + " orq %3, %2\n" + " lock; cmpxchgq %2, %1\n" + " jne 1b" + : "=&a"(original), "+m"(a->value), "=&r"(temp) + : "r"(operand) + ); + return original; + #else + for (;;) { + zpl_atomicarg(zpl_i64) original = a->value; + if (zpl_atomic64_compare_exchange(a, original, original | operand) == original) + return original; + } + #endif + } + + #else + #error TODO: Implement Atomics for this CPU + #endif + + + + zpl_b32 zpl_atomic32_spin_lock(zpl_atomic32 *a, zpl_isize time_out) { + zpl_atomicarg(zpl_i32) old_value = zpl_atomic32_compare_exchange(a, 1, 0); + zpl_i32 counter = 0; + while (old_value != 0 && (time_out < 0 || counter++ < time_out)) { + zpl_yield_thread(); + old_value = zpl_atomic32_compare_exchange(a, 1, 0); + zpl_mfence(); + } + return old_value == 0; + } + + void zpl_atomic32_spin_unlock(zpl_atomic32 *a) { + zpl_atomic32_store(a, 0); + zpl_mfence(); + } + + zpl_b32 zpl_atomic64_spin_lock(zpl_atomic64 *a, zpl_isize time_out) { + zpl_atomicarg(zpl_i64) old_value = zpl_atomic64_compare_exchange(a, 1, 0); + zpl_atomicarg(zpl_i64) counter = 0; + while (old_value != 0 && (time_out < 0 || counter++ < time_out)) { + zpl_yield_thread(); + old_value = zpl_atomic64_compare_exchange(a, 1, 0); + zpl_mfence(); + } + return old_value == 0; + } + + void zpl_atomic64_spin_unlock(zpl_atomic64 *a) { + zpl_atomic64_store(a, 0); + zpl_mfence(); + } + + zpl_b32 zpl_atomic32_try_acquire_lock(zpl_atomic32 *a) { + zpl_atomicarg(zpl_i32) old_value; + zpl_yield_thread(); + old_value = zpl_atomic32_compare_exchange(a, 1, 0); + zpl_mfence(); + return old_value == 0; + } + + zpl_b32 zpl_atomic64_try_acquire_lock(zpl_atomic64 *a) { + zpl_atomicarg(zpl_i64) old_value; + zpl_yield_thread(); + old_value = zpl_atomic64_compare_exchange(a, 1, 0); + zpl_mfence(); + return old_value == 0; + } + + + + #if defined(ZPL_ARCH_32_BIT) + + void* zpl_atomic_ptr_load(zpl_atomic_ptr const *a) { + return (void *)cast(zpl_intptr)zpl_atomic32_load(cast(zpl_atomic32 const *)a); + } + void zpl_atomic_ptr_store(zpl_atomic_ptr *a, zpl_atomicarg(void *)value) { + zpl_atomic32_store(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)value); + } + void* zpl_atomic_ptr_compare_exchange(zpl_atomic_ptr *a, zpl_atomicarg(void *)expected, zpl_atomicarg(void *)desired) { + return (void *)cast(zpl_intptr)zpl_atomic32_compare_exchange(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)expected, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)desired); + } + void* zpl_atomic_ptr_exchange(zpl_atomic_ptr *a, zpl_atomicarg(void *)desired) { + return (void *)cast(zpl_intptr)zpl_atomic32_exchange(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)desired); + } + void* zpl_atomic_ptr_fetch_add(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic32_fetch_add(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)operand); + } + void* zpl_atomic_ptr_fetch_and(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic32_fetch_and(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)operand); + } + void* zpl_atomic_ptr_fetch_or(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic32_fetch_or(cast(zpl_atomic32 *)a, cast(zpl_atomicarg(zpl_i32))cast(zpl_intptr)operand); + } + zpl_b32 zpl_atomic_ptr_spin_lock(zpl_atomic_ptr *a, zpl_isize time_out) { + return zpl_atomic32_spin_lock(cast(zpl_atomic32 *)a, time_out); + } + void zpl_atomic_ptr_spin_unlock(zpl_atomic_ptr *a) { + zpl_atomic32_spin_unlock(cast(zpl_atomic32 *)a); + } + zpl_b32 zpl_atomic_ptr_try_acquire_lock(zpl_atomic_ptr *a) { + return zpl_atomic32_try_acquire_lock(cast(zpl_atomic32 *)a); + } + + #elif defined(ZPL_ARCH_64_BIT) + + void* zpl_atomic_ptr_load(zpl_atomic_ptr const *a) { + return (void *)cast(zpl_intptr)zpl_atomic64_load(cast(zpl_atomic64 const *)a); + } + void zpl_atomic_ptr_store(zpl_atomic_ptr *a, zpl_atomicarg(void *)value) { + zpl_atomic64_store(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)value); + } + void* zpl_atomic_ptr_compare_exchange(zpl_atomic_ptr *a, zpl_atomicarg(void *)expected, zpl_atomicarg(void *)desired) { + return (void *)cast(zpl_intptr)zpl_atomic64_compare_exchange(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)expected, cast(zpl_i64)cast(zpl_intptr)desired); + } + void* zpl_atomic_ptr_exchange(zpl_atomic_ptr *a, zpl_atomicarg(void *)desired) { + return (void *)cast(zpl_intptr)zpl_atomic64_exchange(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)desired); + } + void* zpl_atomic_ptr_fetch_add(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic64_fetch_add(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)operand); + } + void* zpl_atomic_ptr_fetch_and(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic64_fetch_and(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)operand); + } + void* zpl_atomic_ptr_fetch_or(zpl_atomic_ptr *a, zpl_atomicarg(void *)operand) { + return (void *)cast(zpl_intptr)zpl_atomic64_fetch_or(cast(zpl_atomic64 *)a, cast(zpl_i64)cast(zpl_intptr)operand); + } + zpl_b32 zpl_atomic_ptr_spin_lock(zpl_atomic_ptr *a, zpl_isize time_out) { + return zpl_atomic64_spin_lock(cast(zpl_atomic64 *)a, time_out); + } + void zpl_atomic_ptr_spin_unlock(zpl_atomic_ptr *a) { + zpl_atomic64_spin_unlock(cast(zpl_atomic64 *)a); + } + zpl_b32 zpl_atomic_ptr_try_acquire_lock(zpl_atomic_ptr *a) { + return zpl_atomic64_try_acquire_lock(cast(zpl_atomic64 *)a); + } + + #endif + + ZPL_END_C_DECLS + // file: source/threading/fence.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(_MSC_VER) + /* Microsoft C/C++-compatible compiler */ + #include + #elif defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__)) + /* GCC-compatible compiler, targeting x86/x86-64 */ + #include + #elif defined(__GNUC__) && defined(__ARM_NEON__) + /* GCC-compatible compiler, targeting ARM with NEON */ + #include + #elif defined(__GNUC__) && defined(__IWMMXT__) + /* GCC-compatible compiler, targeting ARM with WMMX */ + #include + #elif (defined(__GNUC__) || defined(__xlC__)) && (defined(__VEC__) || defined(__ALTIVEC__)) + /* XLC or GCC-compatible compiler, targeting PowerPC with VMX/VSX */ + #include + #elif defined(__GNUC__) && defined(__SPE__) + /* GCC-compatible compiler, targeting PowerPC with SPE */ + #include + #endif + + void zpl_yield_thread(void) { + #if defined(ZPL_SYSTEM_WINDOWS) + _mm_pause(); + #elif defined(ZPL_SYSTEM_OSX) + __asm__ volatile ("" : : : "memory"); + #elif defined(ZPL_CPU_X86) + _mm_pause(); + #else + #error Unknown architecture + #endif + } + + void zpl_mfence(void) { + #if defined(ZPL_SYSTEM_WINDOWS) + _ReadWriteBarrier(); + #elif defined(ZPL_SYSTEM_OSX) + __sync_synchronize(); + #elif defined(ZPL_CPU_X86) + _mm_mfence(); + #else + #error Unknown architecture + #endif + } + + void zpl_sfence(void) { + #if defined(ZPL_SYSTEM_WINDOWS) + _WriteBarrier(); + #elif defined(ZPL_SYSTEM_OSX) + __asm__ volatile ("" : : : "memory"); + #elif defined(ZPL_CPU_X86) + _mm_sfence(); + #else + #error Unknown architecture + #endif + } + + void zpl_lfence(void) { + #if defined(ZPL_SYSTEM_WINDOWS) + _ReadBarrier(); + #elif defined(ZPL_SYSTEM_OSX) + __asm__ volatile ("" : : : "memory"); + #elif defined(ZPL_CPU_X86) + _mm_lfence(); + #else + #error Unknown architecture + #endif + } + + ZPL_END_C_DECLS + // file: source/threading/sem.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + void zpl_semaphore_release(zpl_semaphore *s) { zpl_semaphore_post(s, 1); } + + #if defined(ZPL_SYSTEM_WINDOWS) + + void zpl_semaphore_init (zpl_semaphore *s) { s->win32_handle = CreateSemaphoreA(NULL, 0, ZPL_I32_MAX, NULL); } + void zpl_semaphore_destroy(zpl_semaphore *s) { CloseHandle(s->win32_handle); } + void zpl_semaphore_post (zpl_semaphore *s, zpl_i32 count) { ReleaseSemaphore(s->win32_handle, count, NULL); } + void zpl_semaphore_wait (zpl_semaphore *s) { WaitForSingleObject(s->win32_handle, INFINITE); } + + #elif defined(ZPL_SYSTEM_OSX) + + void zpl_semaphore_init (zpl_semaphore *s) { semaphore_create(mach_task_self(), &s->osx_handle, SYNC_POLICY_FIFO, 0); } + void zpl_semaphore_destroy(zpl_semaphore *s) { semaphore_destroy(mach_task_self(), s->osx_handle); } + void zpl_semaphore_post (zpl_semaphore *s, zpl_i32 count) { while (count --> 0) semaphore_signal(s->osx_handle); } + void zpl_semaphore_wait (zpl_semaphore *s) { semaphore_wait(s->osx_handle); } + + #elif defined(ZPL_SYSTEM_UNIX) + + void zpl_semaphore_init (zpl_semaphore *s) { sem_init(&s->unix_handle, 0, 0); } + void zpl_semaphore_destroy(zpl_semaphore *s) { sem_destroy(&s->unix_handle); } + void zpl_semaphore_post (zpl_semaphore *s, zpl_i32 count) { while (count --> 0) sem_post(&s->unix_handle); } + void zpl_semaphore_wait (zpl_semaphore *s) { int i; do { i = sem_wait(&s->unix_handle); } while (i == -1 && errno == EINTR); } + + #else + #error Semaphores for this OS are not implemented + #endif + + ZPL_END_C_DECLS + // file: source/threading/mutex.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + void zpl_mutex_init(zpl_mutex *m) { + #if defined(ZPL_SYSTEM_WINDOWS) + InitializeCriticalSection(&m->win32_critical_section); + #else + pthread_mutex_init(&m->pthread_mutex, NULL); + #endif + } + + void zpl_mutex_destroy(zpl_mutex *m) { + #if defined(ZPL_SYSTEM_WINDOWS) + DeleteCriticalSection(&m->win32_critical_section); + #else + pthread_mutex_destroy(&m->pthread_mutex); + #endif + } + + void zpl_mutex_lock(zpl_mutex *m) { + #if defined(ZPL_SYSTEM_WINDOWS) + EnterCriticalSection(&m->win32_critical_section); + #else + pthread_mutex_lock(&m->pthread_mutex); + #endif + } + + zpl_b32 zpl_mutex_try_lock(zpl_mutex *m) { + #if defined(ZPL_SYSTEM_WINDOWS) + return TryEnterCriticalSection(&m->win32_critical_section); + #else + return pthread_mutex_trylock(&m->pthread_mutex); + #endif + } + + void zpl_mutex_unlock(zpl_mutex *m) { + #if defined(ZPL_SYSTEM_WINDOWS) + LeaveCriticalSection(&m->win32_critical_section); + #else + pthread_mutex_unlock(&m->pthread_mutex); + #endif + } + + ZPL_END_C_DECLS + // file: source/threading/thread.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_b32 zpl_thread_is_running(zpl_thread const *t) { return t->is_running != 0; } + + void zpl_thread_init(zpl_thread *t) { + zpl_zero_item(t); + + #if defined(ZPL_SYSTEM_WINDOWS) + t->win32_handle = INVALID_HANDLE_VALUE; + #else + t->posix_handle = 0; + #endif + + zpl_semaphore_init(&t->semaphore); + } + + void zpl_thread_destroy(zpl_thread *t) { + if (t->is_running) zpl_thread_join(t); + zpl_semaphore_destroy(&t->semaphore); + } + + void zpl__thread_run(zpl_thread *t) { + zpl_semaphore_release(&t->semaphore); + t->return_value = t->proc(t); + } + + #if defined(ZPL_SYSTEM_WINDOWS) + DWORD __stdcall zpl__thread_proc(void *arg) { + zpl_thread *t = cast(zpl_thread *)arg; + zpl__thread_run(t); + t->is_running = false; + return 0; + } + #else + void *zpl__thread_proc(void *arg) { + zpl_thread *t = cast(zpl_thread *)arg; + zpl__thread_run(t); + t->is_running = false; + return NULL; + } + #endif + + void zpl_thread_start(zpl_thread *t, zpl_thread_proc proc, void *user_data) { + zpl_thread_start_with_stack(t, proc, user_data, 0); + } + + void zpl_thread_start_with_stack(zpl_thread *t, zpl_thread_proc proc, void *user_data, zpl_isize stack_size) { + ZPL_ASSERT(!t->is_running); + ZPL_ASSERT(proc != NULL); + t->proc = proc; + t->user_data = user_data; + t->stack_size = stack_size; + + #if defined(ZPL_SYSTEM_WINDOWS) + t->win32_handle = CreateThread(NULL, stack_size, zpl__thread_proc, t, 0, NULL); + ZPL_ASSERT_MSG(t->win32_handle != NULL, "CreateThread: GetLastError"); + #else + { + pthread_attr_t attr; + pthread_attr_init(&attr); + pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); + if (stack_size != 0) + pthread_attr_setstacksize(&attr, stack_size); + pthread_create(&t->posix_handle, &attr, zpl__thread_proc, t); + pthread_attr_destroy(&attr); + } + #endif + + t->is_running = true; + zpl_semaphore_wait(&t->semaphore); + } + + void zpl_thread_join(zpl_thread *t) { + if (!t->is_running) return; + + #if defined(ZPL_SYSTEM_WINDOWS) + WaitForSingleObject(t->win32_handle, INFINITE); + CloseHandle(t->win32_handle); + t->win32_handle = INVALID_HANDLE_VALUE; + #else + pthread_join(t->posix_handle, NULL); + t->posix_handle = 0; + #endif + t->is_running = false; + } + + zpl_u32 zpl_thread_current_id(void) { + zpl_u32 thread_id; + #if defined(ZPL_SYSTEM_WINDOWS) + #if defined(ZPL_ARCH_32_BIT) && defined(ZPL_CPU_X86) + thread_id = (cast(zpl_u32 *)__readfsdword(24))[9]; + #elif defined(ZPL_ARCH_64_BIT) && defined(ZPL_CPU_X86) + thread_id = (cast(zpl_u32 *)__readgsqword(48))[18]; + #else + thread_id = GetCurrentThreadId(); + #endif + + #elif defined(ZPL_SYSTEM_OSX) && defined(ZPL_ARCH_64_BIT) + thread_id = pthread_mach_thread_np(pthread_self()); + #elif defined(ZPL_ARCH_32_BIT) && defined(ZPL_CPU_X86) + __asm__("mov %%gs:0x08,%0" : "=r"(thread_id)); + #elif defined(ZPL_ARCH_64_BIT) && defined(ZPL_CPU_X86) + __asm__("mov %%fs:0x10,%0" : "=r"(thread_id)); + #else + #error Unsupported architecture for zpl_thread_current_id() + #endif + + return thread_id; + } + + void zpl_thread_set_name(zpl_thread *t, char const *name) { + #if defined(ZPL_COMPILER_MSVC) + #pragma pack(push, 8) + typedef struct { + DWORD type; + char const *name; + DWORD id; + DWORD flags; + } zplprivThreadName; + #pragma pack(pop) + + zplprivThreadName tn; + tn.type = 0x1000; + tn.name = name; + tn.id = GetThreadId(cast(HANDLE)t->win32_handle); + tn.flags = 0; + + __try { + RaiseException(0x406d1388, 0, zpl_size_of(tn)/4, cast(ULONG_PTR *)&tn); + } __except(1 /*EXCEPTION_EXECUTE_HANDLER*/) { + } + + #elif defined(ZPL_SYSTEM_WINDOWS) && !defined(ZPL_COMPILER_MSVC) + zpl_unused(t); + zpl_unused(name); + // IMPORTANT TODO: Set thread name for GCC/Clang on windows + return; + #elif defined(ZPL_SYSTEM_OSX) + // TODO: Test if this works + pthread_setname_np(name); + #else + zpl_unused(t); + zpl_unused(name); + // TODO: Test if this works + // pthread_set_name_np(t->posix_handle, name); + #endif + } + + ZPL_END_C_DECLS + // file: source/threading/sync.c + + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + void zpl_sync_init(zpl_sync *s) { + zpl_zero_item(s); + zpl_mutex_init(&s->mutex); + zpl_mutex_init(&s->start); + zpl_semaphore_init(&s->release); + } + + void zpl_sync_destroy(zpl_sync *s) { + if (s->waiting) { + ZPL_PANIC("Cannot destroy while threads are waiting!"); + } + + zpl_mutex_destroy(&s->mutex); + zpl_mutex_destroy(&s->start); + zpl_semaphore_destroy(&s->release); + } + + void zpl_sync_set_target(zpl_sync *s, zpl_i32 count) { + zpl_mutex_lock(&s->start); + + zpl_mutex_lock(&s->mutex); + ZPL_ASSERT(s->target == 0); + s->target = count; + s->current = 0; + s->waiting = 0; + zpl_mutex_unlock(&s->mutex); + } + + void zpl_sync_release(zpl_sync *s) { + if (s->waiting) { + zpl_semaphore_release(&s->release); + } else { + s->target = 0; + zpl_mutex_unlock(&s->start); + } + } + + zpl_i32 zpl_sync_reach(zpl_sync *s) { + zpl_i32 n; + zpl_mutex_lock(&s->mutex); + ZPL_ASSERT(s->current < s->target); + n = ++s->current; // NOTE: Record this value to avoid possible race if `return s->current` was done + if (s->current == s->target) + zpl_sync_release(s); + zpl_mutex_unlock(&s->mutex); + return n; + } + + void zpl_sync_reach_and_wait(zpl_sync *s) { + zpl_mutex_lock(&s->mutex); + ZPL_ASSERT(s->current < s->target); + s->current++; + if (s->current == s->target) { + zpl_sync_release(s); + zpl_mutex_unlock(&s->mutex); + } else { + s->waiting++; // NOTE: Waiting, so one more waiter + zpl_mutex_unlock(&s->mutex); // NOTE: Release the mutex to other threads + zpl_semaphore_wait(&s->release); // NOTE: Wait for merge completion + zpl_mutex_lock(&s->mutex); // NOTE: On merge completion, lock mutex + s->waiting--; // NOTE: Done waiting + zpl_sync_release(s); // NOTE: Restart the next waiter + zpl_mutex_unlock(&s->mutex); + } + } + + ZPL_END_C_DECLS + // file: source/threading/affinity.c + + #ifdef ZPL_EDITOR + #include + #endif + + #if defined(ZPL_SYSTEM_MACOS) + #include + #endif + + ZPL_BEGIN_C_DECLS + + #if defined(ZPL_SYSTEM_WINDOWS) || defined(ZPL_SYSTEM_CYGWIN) + + void zpl_affinity_init(zpl_affinity *a) { + SYSTEM_LOGICAL_PROCESSOR_INFORMATION *start_processor_info = NULL; + DWORD length = 0; + zpl_b32 result = GetLogicalProcessorInformation(NULL, &length); + + zpl_zero_item(a); + + if (!result && GetLastError() == 122l /*ERROR_INSUFFICIENT_BUFFER*/ && length > 0) { + start_processor_info = cast(SYSTEM_LOGICAL_PROCESSOR_INFORMATION *)zpl_alloc(zpl_heap_allocator(), length); + result = GetLogicalProcessorInformation(start_processor_info, &length); + if (result) { + SYSTEM_LOGICAL_PROCESSOR_INFORMATION *end_processor_info, *processor_info; + + a->is_accurate = true; + a->core_count = 0; + a->thread_count = 0; + end_processor_info = cast(SYSTEM_LOGICAL_PROCESSOR_INFORMATION *)zpl_pointer_add(start_processor_info, length); + + for (processor_info = start_processor_info; + processor_info < end_processor_info; + processor_info++) { + if (processor_info->Relationship == RelationProcessorCore) { + zpl_isize thread = zpl_count_set_bits(processor_info->ProcessorMask); + if (thread == 0) { + a->is_accurate = false; + } else if (a->thread_count + thread > ZPL_WIN32_MAX_THREADS) { + a->is_accurate = false; + } else { + ZPL_ASSERT(a->core_count <= a->thread_count && + a->thread_count < ZPL_WIN32_MAX_THREADS); + a->core_masks[a->core_count++] = processor_info->ProcessorMask; + a->thread_count += thread; + } + } + } + } + + zpl_free(zpl_heap_allocator(), start_processor_info); + } + + ZPL_ASSERT(a->core_count <= a->thread_count); + if (a->thread_count == 0) { + a->is_accurate = false; + a->core_count = 1; + a->thread_count = 1; + a->core_masks[0] = 1; + } + + } + + void zpl_affinity_destroy(zpl_affinity *a) { + zpl_unused(a); + } + + zpl_b32 zpl_affinity_set(zpl_affinity *a, zpl_isize core, zpl_isize thread) { + zpl_usize available_mask, check_mask = 1; + ZPL_ASSERT(thread < zpl_affinity_thread_count_for_core(a, core)); + + available_mask = a->core_masks[core]; + for (;;) { + if ((available_mask & check_mask) != 0) { + if (thread-- == 0) { + zpl_usize result = SetThreadAffinityMask(GetCurrentThread(), check_mask); + return result != 0; + } + } + check_mask <<= 1; // NOTE: Onto the next bit + } + } + + zpl_isize zpl_affinity_thread_count_for_core(zpl_affinity *a, zpl_isize core) { + ZPL_ASSERT(core >= 0 && core < a->core_count); + return zpl_count_set_bits(a->core_masks[core]); + } + + #elif defined(ZPL_SYSTEM_MACOS) + void zpl_affinity_init(zpl_affinity *a) { + zpl_usize count, count_size = zpl_size_of(count); + + a->is_accurate = false; + a->thread_count = 1; + a->core_count = 1; + a->threads_per_core = 1; + + if (sysctlbyname("hw.logicalcpu", &count, &count_size, NULL, 0) == 0) { + if (count > 0) { + a->thread_count = count; + // Get # of physical cores + if (sysctlbyname("hw.physicalcpu", &count, &count_size, NULL, 0) == 0) { + if (count > 0) { + a->core_count = count; + a->threads_per_core = a->thread_count / count; + if (a->threads_per_core < 1) + a->threads_per_core = 1; + else + a->is_accurate = true; + } + } + } + } + + } + + void zpl_affinity_destroy(zpl_affinity *a) { + zpl_unused(a); + } + + zpl_b32 zpl_affinity_set(zpl_affinity *a, zpl_isize core, zpl_isize thread_index) { + zpl_isize index; + thread_t thread; + thread_affinity_policy_data_t info; + kern_return_t result; + + ZPL_ASSERT(core < a->core_count); + ZPL_ASSERT(thread_index < a->threads_per_core); + + index = core * a->threads_per_core + thread_index; + thread = mach_thread_self(); + info.affinity_tag = cast(integer_t)index; + result = thread_policy_set(thread, THREAD_AFFINITY_POLICY, cast(thread_policy_t)&info, THREAD_AFFINITY_POLICY_COUNT); + return result == KERN_SUCCESS; + } + + zpl_isize zpl_affinity_thread_count_for_core(zpl_affinity *a, zpl_isize core) { + ZPL_ASSERT(core >= 0 && core < a->core_count); + return a->threads_per_core; + } + + #elif defined(ZPL_SYSTEM_LINUX) || defined(ZPL_SYSTEM_FREEBSD) || defined(ZPL_SYSTEM_OPENBSD) + + // IMPORTANT TODO: This zpl_affinity stuff for linux needs be improved a lot! + // NOTE(zangent): I have to read /proc/cpuinfo to get the number of threads per core. + + void zpl_affinity_init(zpl_affinity *a) { + zpl_b32 accurate = true; + zpl_isize threads = 0; + + a->thread_count = 1; + a->core_count = sysconf(_SC_NPROCESSORS_ONLN); + a->threads_per_core = 1; + + + if(a->core_count <= 0) { + a->core_count = 1; + accurate = false; + } + + // Parsing /proc/cpuinfo to get the number of threads per core. + // NOTE(zangent): This calls the CPU's threads "cores", although the wording + // is kind of weird. This should be right, though. + FILE *cpu_info = fopen("/proc/cpuinfo", "r"); + if (cpu_info != NULL) { + for (;;) { + // The 'temporary char'. Everything goes into this char, + // so that we can check against EOF at the end of this loop. + int c; + + #define AF__CHECK(letter) ((c = getc(cpu_info)) == letter) + if (AF__CHECK('c') && AF__CHECK('p') && AF__CHECK('u') && AF__CHECK(' ') && + AF__CHECK('c') && AF__CHECK('o') && AF__CHECK('r') && AF__CHECK('e') && AF__CHECK('s')) { + // We're on a CPU info line. + while (!AF__CHECK(EOF)) { + if (c == '\n') { + break; + } else if (c < '0' || '9' > c) { + continue; + } + threads = threads * 10 + (c - '0'); + } + break; + } else { + while (!AF__CHECK('\n')) { + if (c==EOF) { + break; + } + } + } + if (c == EOF) { + break; + } + #undef AF__CHECK + } + + fclose(cpu_info); + } + + if (threads == 0) { + threads = 1; + accurate = false; + } + + a->threads_per_core = threads; + a->thread_count = a->threads_per_core * a->core_count; + a->is_accurate = accurate; + + } + + void zpl_affinity_destroy(zpl_affinity *a) { + zpl_unused(a); + } + + zpl_b32 zpl_affinity_set(zpl_affinity * a, zpl_isize core, zpl_isize thread_index) { + zpl_unused(a); + zpl_unused(core); + zpl_unused(thread_index); + return true; + } + + zpl_isize zpl_affinity_thread_count_for_core(zpl_affinity *a, zpl_isize core) { + ZPL_ASSERT(0 <= core && core < a->core_count); + return a->threads_per_core; + } + + #elif defined(ZPL_SYSTEM_EMSCRIPTEN) + #error No affinity implementation for Emscripten + #else + #error TODO: Unknown system + #endif + + ZPL_END_C_DECLS + + #if defined(ZPL_MODULE_JOBS) + // file: source/jobs.c + + /////////////////////////////////////////////////////////////// + // + // Thread Pool + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + zpl_isize zpl__jobs_entry(struct zpl_thread *thread) { + zpl_thread_worker *tw = (zpl_thread_worker *)thread->user_data; + zpl_thread_pool *pool = (zpl_thread_pool *)tw->pool; + + for (;;) { + zpl_u32 status = zpl_atomic32_load(&tw->status); + + switch (status) { + case ZPL_JOBS_STATUS_READY: { + zpl_atomic32_store(&tw->status, ZPL_JOBS_STATUS_BUSY); + + zpl_mutex_lock(&pool->access); + zpl_thread_job *job = pool->jobs + tw->jobid; + zpl_mutex_unlock(&pool->access); + + job->proc(job->data); + + zpl_atomic32_store(&tw->status, ZPL_JOBS_STATUS_WAITING); + } break; + + case ZPL_JOBS_STATUS_WAITING: { + zpl_yield( ); + } break; + + case ZPL_JOBS_STATUS_TERM: { + return 0; + } break; + } + } + + return 0; + } + + void zpl_jobs_init(zpl_thread_pool *pool, zpl_allocator a, zpl_u32 max_threads) { + zpl_thread_pool pool_ = { 0 }; + *pool = pool_; + zpl_mutex_init(&pool->access); + + pool->alloc = a; + pool->max_threads = max_threads; + + // NOTE: Spawn a new job slot when number of available slots is below 25% + // compared to the total number of slots. + pool->job_spawn_treshold = 0.25; + + zpl_buffer_init(pool->workers, a, max_threads); + zpl_array_init(pool->jobs, a); + zpl_array_init(pool->queue, a); + zpl_array_init(pool->available, a); + + for (zpl_usize i = 0; i < max_threads; ++i) { + zpl_thread_worker worker_ = { 0 }; + zpl_thread_worker *tw = pool->workers + i; + *tw = worker_; + + zpl_thread_init(&tw->thread); + zpl_atomic32_store(&tw->status, ZPL_JOBS_STATUS_WAITING); + tw->pool = pool; + tw->jobid = ZPL_INVALID_JOB; + zpl_thread_start(&tw->thread, zpl__jobs_entry, (void *)tw); + } + } + + void zpl_jobs_free(zpl_thread_pool *pool) { + for (zpl_usize i = 0; i < pool->max_threads; ++i) { + zpl_thread_worker *tw = pool->workers + i; + + zpl_atomic32_store(&tw->status, ZPL_JOBS_STATUS_TERM); + zpl_thread_destroy(&tw->thread); + } + + zpl_buffer_free(pool->workers); + zpl_array_free(pool->jobs); + zpl_array_free(pool->queue); + zpl_array_free(pool->available); + } + + void zpl_jobs_enqueue_with_priority(zpl_thread_pool *pool, zpl_jobs_proc proc, void *data, zpl_f32 priority) { + ZPL_ASSERT_NOT_NULL(proc); + zpl_f32 treshold = 0.0f; + + if (zpl_array_count(pool->queue) > 0) { + treshold = (zpl_array_count(pool->available) / (zpl_f32)zpl_array_count(pool->jobs)); + } + + if (treshold <= pool->job_spawn_treshold) { + zpl_thread_job job = { 0 }; + job.proc = proc; + job.data = data; + job.priority = priority; + + zpl_array_append(pool->jobs, job); + zpl_u32 jobid = (zpl_u32)zpl_array_count(pool->jobs) - 1; + zpl_array_append(pool->queue, jobid); + } else { + zpl_u32 jobid = zpl_array_back(pool->available); + zpl_thread_job *jp = pool->jobs + jobid; + zpl_array_pop(pool->available); + + jp->proc = proc; + jp->data = data; + jp->priority = priority; + + zpl_array_append(pool->queue, jobid); + } + } + + void zpl_jobs_enqueue(zpl_thread_pool *pool, zpl_jobs_proc proc, void *data) { + ZPL_ASSERT_NOT_NULL(proc); + zpl_jobs_enqueue_with_priority(pool, proc, data, 1.0f); + } + + zpl_thread_local zpl_thread_pool *zpl__thread_pool; + + ZPL_COMPARE_PROC(zpl___jobs_cmp) { + zpl_thread_job *p = (zpl_thread_job *)(zpl__thread_pool->jobs + *(zpl_u32 *)a); + zpl_thread_job *q = (zpl_thread_job *)(zpl__thread_pool->jobs + *(zpl_u32 *)b); + return cast(zpl_i32)(p->priority < q->priority ? 1.0f : p->priority > q->priority); + } + + ZPL_COMPARE_PROC_PTR(zpl__jobs_cmp(zpl_thread_pool *pool)) { + zpl__thread_pool = pool; + return &zpl___jobs_cmp; + } + + zpl_b32 zpl_jobs_process(zpl_thread_pool *pool) { + // NOTE: Sort the queue based on the job priority + if (zpl_array_count(pool->queue)) { + zpl_sort_array(pool->queue, zpl_array_count(pool->queue), zpl__jobs_cmp(pool)); + } + + // NOTE: Process the jobs + for (zpl_usize i = 0; i < pool->max_threads; ++i) { + zpl_thread_worker *tw = pool->workers + i; + if (zpl_array_count(pool->queue) == 0) return false; + + zpl_u32 status = zpl_atomic32_load(&tw->status); + + if (status == ZPL_JOBS_STATUS_WAITING) { + if (tw->jobid != ZPL_INVALID_JOB) { zpl_array_append(pool->available, tw->jobid); } + + zpl_u32 jobid = *pool->queue; + zpl_array_remove_at(pool->queue, 0); + tw->jobid = jobid; + zpl_atomic32_store(&tw->status, ZPL_JOBS_STATUS_READY); + } + } + + return true; + } + + ZPL_END_C_DECLS + #endif + + #if defined(ZPL_MODULE_COROUTINES) + // file: source/coroutines.c + + //////////////////////////////////////////////////////////////// + // + // Coroutines + // + // + #ifdef ZPL_EDITOR + #include + #endif + + ZPL_BEGIN_C_DECLS + + struct { + zpl_b32 is_ready; + zpl_thread_pool coroutines; + zpl_thread runner; + zpl_atomic32 request_term; + zpl_mutex is_processing; + } zpl__co_internals; + + zpl_thread_local zpl_u8 zpl__co_yield_barrier; + + zpl_isize zpl__co_runner(struct zpl_thread *t) { + do { + if (zpl_atomic32_load(&zpl__co_internals.request_term)) + break; + + zpl_b32 lock = zpl_mutex_try_lock(&zpl__co_internals.is_processing); + + while (!lock) { + zpl_yield_thread(); + lock = zpl_mutex_try_lock(&zpl__co_internals.is_processing); + + if (zpl_atomic32_load(&zpl__co_internals.request_term)) + break; + + zpl_mfence(); + } + + zpl_jobs_process(&zpl__co_internals.coroutines); + zpl_mutex_unlock(&zpl__co_internals.is_processing); + } while (1); + + return 0; + } + + void zpl__co_job(void *data) { + zpl_co *co = cast(zpl_co *)data; + + zpl_atomic32_store(&co->status, ZPL_CO_RUNNING); + co->f(co); + zpl_atomic32_store(&co->status, ZPL_CO_DEAD); + } + + void zpl_co_init(zpl_allocator a, zpl_u32 max_threads) { + if (!zpl__co_internals.is_ready) { + zpl_zero_item(&zpl__co_internals); + zpl_mutex_init(&zpl__co_internals.is_processing); + zpl_jobs_init(&zpl__co_internals.coroutines, a, max_threads); + zpl_thread_init(&zpl__co_internals.runner); + zpl_thread_start(&zpl__co_internals.runner, zpl__co_runner, NULL); + zpl_atomic32_store(&zpl__co_internals.request_term, 0); + zpl__co_internals.is_ready = 1; + + // Set up a barrier so that we won't let user call zpl_co_yield in a main thread. + zpl__co_yield_barrier = 1; + } + } + + void zpl_co_destroy(void) { + zpl_atomic32_exchange(&zpl__co_internals.request_term, 1); + zpl_thread_destroy(&zpl__co_internals.runner); + zpl_mutex_destroy(&zpl__co_internals.is_processing); + zpl_jobs_free(&zpl__co_internals.coroutines); + zpl__co_internals.is_ready = 0; + zpl_mfence(); + } + + void zpl_co_make(zpl_co *co, zpl_co_proc f) { + ZPL_ASSERT_MSG(zpl__co_internals.is_ready, "Coroutines module is not initialized. Call zpl_co_init first!"); + ZPL_ASSERT_NOT_NULL(co); + + zpl_zero_item(co); + co->f = f; + zpl_atomic32_store(&co->status, ZPL_CO_READY); + zpl_atomic32_store(&co->resume, 0); + } + + void zpl_co_resume(zpl_co *co, void *data) { + ZPL_ASSERT_NOT_NULL(co); + + if (data != NULL) { + zpl_atomic32_store(&co->push_arg, 1); + co->data_stack[co->data_write_idx++] = data; + zpl_atomic32_spin_unlock(&co->push_arg); + zpl_mfence(); + } + + zpl_i32 status = zpl_atomic32_load(&co->status); + + // Initialize a job + if (status == ZPL_CO_READY) { + + if (data) + co->data = co->data_stack[co->data_read_idx++]; + + zpl_atomic32_store(&co->status, ZPL_CO_ENQUEUED); + zpl_mfence(); + + zpl_mutex_lock(&zpl__co_internals.is_processing); + zpl_jobs_enqueue(&zpl__co_internals.coroutines, zpl__co_job, cast(void *)co); + zpl_mutex_unlock(&zpl__co_internals.is_processing); + } + else { + zpl_atomic32_fetch_add(&co->resume, 1); + zpl_mfence(); + } + } + + void zpl_co_yield(zpl_co *co) { + zpl_i32 value; + ZPL_ASSERT_NOT_NULL(co); + ZPL_ASSERT_MSG((!zpl__co_yield_barrier), "zpl_co_yield can only be called inside of coroutines!"); + + zpl_atomic32_store(&co->status, ZPL_CO_WAITING); + + value = zpl_atomic32_load(&co->resume); + + while (value == 0) { + zpl_yield_thread(); + value = zpl_atomic32_load(&co->resume); + zpl_mfence(); + } + + zpl_atomic32_spin_lock(&co->push_arg, -1); + co->data = co->data_stack[co->data_read_idx++]; + + // null pointer is present, no arg is found, so return back by 1 index + if (co->data == NULL) { + co->data_read_idx--; + } + + zpl_atomic32_spin_unlock(&co->push_arg); + + zpl_atomic32_store(&co->status, ZPL_CO_RUNNING); + zpl_atomic32_fetch_add(&co->resume, -1); + } + + ZPL_END_C_DECLS + #endif +#endif + + +#if defined(ZPL_COMPILER_MSVC) + #pragma warning(pop) +#endif + +#if defined(__GCC__) || defined(__GNUC__) || defined(__clang__) + #pragma GCC diagnostic pop +#endif + +#endif // ZPL_IMPLEMENTATION + +#if defined(ZPL_EXPOSE_TYPES) + typedef zpl_u8 u8; + typedef zpl_i8 i8; + typedef zpl_u16 u16; + typedef zpl_i16 i16; + typedef zpl_u32 u32; + typedef zpl_i32 i32; + typedef zpl_u64 u64; + typedef zpl_i64 i64; + typedef zpl_b8 b8; + typedef zpl_b16 b16; + typedef zpl_b32 b32; + typedef zpl_f32 f32; + typedef zpl_f64 f64; + typedef zpl_rune rune; + typedef zpl_usize usize; + typedef zpl_isize isize; + typedef zpl_uintptr uintptr; + typedef zpl_intptr intptr; +#endif // ZPL_EXPOSE_TYPES + +#endif // ZPL_H + +// TOC: +// zpl.h +// zpl_hedley.h +// header/core/system.h +// header/core/types.h +// header/core/helpers.h +// header/core/debug.h +// header/core/memory.h +// header/core/memory_virtual.h +// header/core/memory_custom.h +// header/core/collections/array.h +// header/core/collections/buffer.h +// header/core/collections/list.h +// header/core/collections/ring.h +// header/core/collections/hashtable.h +// header/core/string.h +// header/core/stringlib.h +// header/core/file.h +// header/core/file_stream.h +// header/core/file_misc.h +// header/core/print.h +// header/core/time.h +// header/core/random.h +// header/core/misc.h +// header/core/sort.h +// header/timer.h +// header/hashing.h +// header/regex.h +// header/event.h +// header/dll.h +// header/opts.h +// header/process.h +// header/math.h +// header/json.h +// header/threading/atomic.h +// header/threading/fence.h +// header/threading/sem.h +// header/threading/mutex.h +// header/threading/thread.h +// header/threading/sync.h +// header/threading/affinity.h +// header/jobs.h +// header/coroutines.h +// source/core/debug.c +// source/core/memory.c +// source/core/memory_virtual.c +// source/core/memory_custom.c +// source/core/array.c +// source/core/string.c +// source/core/stringlib.c +// source/core/file.c +// source/core/file_stream.c +// source/core/file_misc.c +// source/core/print.c +// source/core/time.c +// source/core/random.c +// source/core/misc.c +// source/core/sort.c +// source/timer.c +// source/hashing.c +// source/regex.c +// source/event.c +// source/dll.c +// source/opts.c +// source/process.c +// source/math.c +// source/json.c +// source/threading/atomic.c +// source/threading/fence.c +// source/threading/sem.c +// source/threading/mutex.c +// source/threading/thread.c +// source/threading/sync.c +// source/threading/affinity.c +// source/jobs.c +// source/coroutines.c