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- IFC: use boost::make_shared to cut the number of allocations by 50%. 

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1022 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
pull/1/head
aramis_acg 2011-05-31 17:37:17 +00:00
parent 326b11b72f
commit b9f14beb76
3 changed files with 23 additions and 29 deletions
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2
code/AssimpPCH.h
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@ -124,7 +124,7 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <boost/scoped_array.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/shared_array.hpp>
//#include <boost/make_shared.hpp>
#include <boost/make_shared.hpp>
#include <boost/format.hpp>
#include <boost/foreach.hpp>
#include <boost/static_assert.hpp>

9
code/STEPFile.h
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@ -210,7 +210,7 @@ namespace STEP {
*
* @throw SyntaxError
*/
static const DataType* Parse(const char*& inout,
static boost::shared_ptr<const EXPRESS::DataType> Parse(const char*& inout,
uint64_t line = SyntaxError::LINE_NOT_SPECIFIED,
const EXPRESS::ConversionSchema* schema = NULL);
@ -340,7 +340,7 @@ namespace STEP {
public:
/** @see DaraType::Parse */
static const LIST* Parse(const char*& inout,
static boost::shared_ptr<const EXPRESS::LIST> Parse(const char*& inout,
uint64_t line = SyntaxError::LINE_NOT_SPECIFIED,
const EXPRESS::ConversionSchema* schema = NULL);
@ -655,10 +655,7 @@ namespace STEP {
const char* const type;
DB& db;
union {
mutable const EXPRESS::LIST* conv_args;
mutable const char* args;
};
mutable const char* args;
mutable Object* obj;
};

39
code/STEPFileReader.cpp
View File

@ -129,7 +129,7 @@ STEP::DB* STEP::ReadFileHeader(boost::shared_ptr<IOStream> stream)
if (s.substr(0,11) == "FILE_SCHEMA") {
const char* sz = s.c_str()+11;
SkipSpaces(sz,&sz);
std::auto_ptr< const EXPRESS::DataType > schema = std::auto_ptr< const EXPRESS::DataType >( EXPRESS::DataType::Parse(sz) );
boost::shared_ptr< const EXPRESS::DataType > schema = EXPRESS::DataType::Parse(sz);
// the file schema should be a regular list entity, although it usually contains exactly one entry
// since the list itself is contained in a regular parameter list, we actually have
@ -253,7 +253,7 @@ void STEP::ReadFile(DB& db,const EXPRESS::ConversionSchema& scheme,
// ------------------------------------------------------------------------------------------------
const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t line, const EXPRESS::ConversionSchema* schema /*= NULL*/)
boost::shared_ptr<const EXPRESS::DataType> EXPRESS::DataType::Parse(const char*& inout,uint64_t line, const EXPRESS::ConversionSchema* schema /*= NULL*/)
{
const char* cur = inout;
SkipSpaces(&cur);
@ -275,7 +275,7 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
std::transform(s.begin(),s.end(),s.begin(),&ToLower<char> );
if (schema->IsKnownToken(s)) {
for(cur = t+1;*cur++ != '(';);
const EXPRESS::DataType* const dt = Parse(cur);
const boost::shared_ptr<const EXPRESS::DataType> dt = Parse(cur);
inout = *cur ? cur+1 : cur;
return dt;
}
@ -289,11 +289,11 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
if (*cur == '*' ) {
inout = cur+1;
return new EXPRESS::ISDERIVED();
return boost::make_shared<EXPRESS::ISDERIVED>();
}
else if (*cur == '$' ) {
inout = cur+1;
return new EXPRESS::UNSET();
return boost::make_shared<EXPRESS::UNSET>();
}
else if (*cur == '(' ) {
// start of an aggregate, further parsing is done by the LIST factory constructor
@ -309,11 +309,11 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
}
}
inout = cur+1;
return new EXPRESS::ENUMERATION( std::string(start, static_cast<size_t>(cur-start) ));
return boost::make_shared<EXPRESS::ENUMERATION>(std::string(start, static_cast<size_t>(cur-start) ));
}
else if (*cur == '#' ) {
// object reference
return new EXPRESS::ENTITY(strtoul10_64(++cur,&inout));
return boost::make_shared<EXPRESS::ENTITY>(strtoul10_64(++cur,&inout));
}
else if (*cur == '\'' ) {
// string literal
@ -331,7 +331,7 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
}
}
inout = cur+1;
return new EXPRESS::STRING( std::string(start, static_cast<size_t>(cur-start) ));
return boost::make_shared<EXPRESS::STRING>(std::string(start, static_cast<size_t>(cur-start) ));
}
else if (*cur == '\"' ) {
throw STEP::SyntaxError("binary data not supported yet",line);
@ -345,7 +345,7 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
// XXX many STEP files contain extremely accurate data, float's precision may not suffice in many cases
float f;
inout = fast_atof_move(start,f);
return new EXPRESS::REAL(f);
return boost::make_shared<EXPRESS::REAL>(f);
}
}
@ -358,14 +358,14 @@ const EXPRESS::DataType* EXPRESS::DataType::Parse(const char*& inout,uint64_t li
++start;
}
int64_t num = static_cast<int64_t>( strtoul10_64(start,&inout) );
return new EXPRESS::INTEGER(neg?-num:num);
return boost::make_shared<EXPRESS::INTEGER>(neg?-num:num);
}
// ------------------------------------------------------------------------------------------------
const EXPRESS::LIST* EXPRESS::LIST::Parse(const char*& inout,uint64_t line, const EXPRESS::ConversionSchema* schema /*= NULL*/)
boost::shared_ptr<const EXPRESS::LIST> EXPRESS::LIST::Parse(const char*& inout,uint64_t line, const EXPRESS::ConversionSchema* schema /*= NULL*/)
{
std::auto_ptr<EXPRESS::LIST> list(new EXPRESS::LIST());
const boost::shared_ptr<EXPRESS::LIST> list = boost::make_shared<EXPRESS::LIST>();
EXPRESS::LIST::MemberList& members = list->members;
const char* cur = inout;
@ -390,7 +390,7 @@ const EXPRESS::LIST* EXPRESS::LIST::Parse(const char*& inout,uint64_t line, cons
break;
}
members.push_back( boost::shared_ptr<const EXPRESS::DataType> (EXPRESS::DataType::Parse(cur,line,schema)));
members.push_back( EXPRESS::DataType::Parse(cur,line,schema));
SkipSpaces(cur,&cur);
if (*cur != ',') {
@ -402,7 +402,7 @@ const EXPRESS::LIST* EXPRESS::LIST::Parse(const char*& inout,uint64_t line, cons
}
inout = cur+1;
return list.release();
return list;
}
@ -446,7 +446,6 @@ STEP::LazyObject::~LazyObject()
// make sure the right dtor/operator delete get called
if (obj) {
delete obj;
delete conv_args;
}
else delete[] args;
}
@ -461,9 +460,10 @@ void STEP::LazyObject::LazyInit() const
throw STEP::TypeError("unknown object type: " + std::string(type),id);
}
const char* a = args, *acopy = a;
conv_args = EXPRESS::LIST::Parse(acopy,STEP::SyntaxError::LINE_NOT_SPECIFIED,&db.GetSchema());
delete[] a;
const char* acopy = args;
boost::shared_ptr<const EXPRESS::LIST> conv_args = EXPRESS::LIST::Parse(acopy,STEP::SyntaxError::LINE_NOT_SPECIFIED,&db.GetSchema());
delete[] args;
args = NULL;
// if the converter fails, it should throw an exception, but it should never return NULL
try {
@ -478,8 +478,5 @@ void STEP::LazyObject::LazyInit() const
// store the original id in the object instance
obj->SetID(id);
delete conv_args;
conv_args = NULL;
}