v4k-git-backup/tools/luajit_make_bindings.lua

94 lines
1.9 KiB
Lua

local lcpp = require("tools/cparser")
local glue = [[
#define __TINYC__
#define static
#define __thread
#define STATIC_ASSERT(x)
//#define ifdef(a,b,...) ifdef_##a(b,__VA_ARGS__)
//#define ifndef(a,b,...) ifdef_##a(__VA_ARGS__,b)
//#define ifdef_true(b,...) b
//#define ifdef_false(b,...) __VA_ARGS__
#define OBJ \
struct { \
ifdef(debug, const char *objname;) \
uintptr_t objheader; \
array(struct obj*) objchildren; \
};
#define ENTITY \
struct { OBJ \
uintptr_t cflags; \
void *c[OBJCOMPONENTS_MAX]; \
};
typedef struct FILE FILE;
typedef long int ptrdiff_t;
typedef long unsigned int size_t;
]]
function trim_multilines(str)
local lines = str:gmatch("([^\r\n]+)\r?\n?")
local output = lines()
for line in lines do
output = output .. "\n" .. line
end
return output
end
io.input("./engine/v4k.h")
local v4k_h = io.read("*all")
v4k_h = v4k_h:gsub("#line", "//#line")
v4k_h = v4k_h:gsub("#include", "//#include")
print('--autogenerated luajit bindings. do not edit.') -- .. os.date("%Y/%m/%d"))
print('local ffi = require("ffi")')
print('ffi.cdef([[')
local result = lcpp.cppString(glue .. v4k_h, '-', {"-Znopass"}, 'v4k')
--print( trim_multilines(result) )
print(']])')
print([[
local _M = {}
function _M.vec2(x,y)
local v = ffi.new("union vec2")
v.x = x
v.y = y
return v
end
function _M.vec3(x,y,z)
local v = ffi.new("union vec3")
v.x = x
v.y = y
v.z = z
return v
end
function _M.vec4(x,y,z,w)
local v = ffi.new("union vec4")
v.x = x
v.y = y
v.z = z
v.w = w
return v
end
function _M.quat(x,y,z,w)
local q = ffi.new("union quat")
v.x = x
v.y = y
v.z = z
v.w = w
return q
end
function _M.mat44()
local m = ffi.new("float [16]")
return m
end
local v4k = ffi.load("v4k")
return setmetatable( _M, {
__index = function( table, key )
return v4k[ key ]
end
} )
]])