自学教程：C++ GetType函数代码示例

/*============idProgram::AllocDef============*/idVarDef *idProgram::AllocDef( idTypeDef *type, const char *name, idVarDef *scope, bool constant ) {	idVarDef	*def;	idStr		element;	idVarDef	*def_x;	idVarDef	*def_y;	idVarDef	*def_z;	// allocate a new def	def = new idVarDef( type );	def->scope		= scope;	def->numUsers	= 1;	def->num		= varDefs.Append( def );	// add the def to the list with defs with this name and set the name pointer	AddDefToNameList( def, name );	if ( ( type->Type() == ev_vector ) || ( ( type->Type() == ev_field ) && ( type->FieldType()->Type() == ev_vector ) ) ) {		//		// vector		//		if ( !strcmp( name, RESULT_STRING ) ) {			// <RESULT> vector defs don't need the _x, _y and _z components			assert( scope->Type() == ev_function );			def->value.stackOffset	= scope->value.functionPtr->locals;			def->initialized		= idVarDef::stackVariable;			scope->value.functionPtr->locals += type->Size();		} else if ( scope->TypeDef()->Inherits( &type_object ) ) {			idTypeDef	newtype( ev_field, NULL, "float field", 0, &type_float );			idTypeDef	*type = GetType( newtype, true );			// set the value to the variable's position in the object			def->value.ptrOffset = scope->TypeDef()->Size();			// make automatic defs for the vectors elements			// origin can be accessed as origin_x, origin_y, and origin_z			sprintf( element, "%s_x", def->Name() );			def_x = AllocDef( type, element, scope, constant );			sprintf( element, "%s_y", def->Name() );			def_y = AllocDef( type, element, scope, constant );			def_y->value.ptrOffset = def_x->value.ptrOffset + type_float.Size();			sprintf( element, "%s_z", def->Name() );			def_z = AllocDef( type, element, scope, constant );			def_z->value.ptrOffset = def_y->value.ptrOffset + type_float.Size();		} else {			// make automatic defs for the vectors elements			// origin can be accessed as origin_x, origin_y, and origin_z			sprintf( element, "%s_x", def->Name() );			def_x = AllocDef( &type_float, element, scope, constant );			sprintf( element, "%s_y", def->Name() );			def_y = AllocDef( &type_float, element, scope, constant );			sprintf( element, "%s_z", def->Name() );			def_z = AllocDef( &type_float, element, scope, constant );			// point the vector def to the x coordinate			def->value			= def_x->value;			def->initialized	= def_x->initialized;		}	} else if ( scope->TypeDef()->Inherits( &type_object ) ) {		//		// object variable		//		// set the value to the variable's position in the object		def->value.ptrOffset = scope->TypeDef()->Size();	} else if ( scope->Type() == ev_function ) {		//		// stack variable		//		// since we don't know how many local variables there are,		// we have to have them go backwards on the stack		def->value.stackOffset	= scope->value.functionPtr->locals;		def->initialized		= idVarDef::stackVariable;		if ( type->Inherits( &type_object ) ) {			// objects only have their entity number on the stack, not the entire object			scope->value.functionPtr->locals += type_object.Size();		} else {			scope->value.functionPtr->locals += type->Size();		}	} else {		//		// global variable		//		def->value.bytePtr = &variables[ numVariables ];		numVariables += def->TypeDef()->Size();		if ( numVariables > sizeof( variables ) ) {			throw idCompileError( va( "Exceeded global memory size (%d bytes)", sizeof( variables ) ) );		}		memset( def->value.bytePtr, 0, def->TypeDef()->Size() );	}//.........这里部分代码省略.........

void WrappedID3D11DeviceContext::ProcessChunk(uint64_t offset, D3D11ChunkType chunk, bool forceExecute){	if(chunk < FIRST_CONTEXT_CHUNK && !forceExecute)	{		if(m_State == READING)		{			m_pDevice->GetResourceManager()->MarkInFrame(false);			m_pDevice->ProcessChunk(offset, chunk);			m_pSerialiser->PopContext(NULL, chunk);			m_pDevice->GetResourceManager()->MarkInFrame(true);		}		else if(m_State == EXECUTING)		{			m_pSerialiser->SkipCurrentChunk();			m_pSerialiser->PopContext(NULL, chunk);		}		return;	}	m_CurChunkOffset = offset;	RDCASSERT(GetType() == D3D11_DEVICE_CONTEXT_IMMEDIATE);	uint64_t cOffs = m_pSerialiser->GetOffset();	ResourceId ctxId;	m_pSerialiser->Serialise("context", ctxId);	WrappedID3D11DeviceContext *context = (WrappedID3D11DeviceContext *)m_pDevice->GetResourceManager()->GetLiveResource(ctxId);	if(m_FakeContext != ResourceId())	{		if(m_FakeContext == ctxId)			context = this;		else		{			m_pSerialiser->SetOffset(cOffs);			m_pSerialiser->SkipCurrentChunk();			m_pSerialiser->PopContext(NULL, chunk);			return;		}	}		RDCASSERT(WrappedID3D11DeviceContext::IsAlloc(context));		LogState state = context->m_State;	if(forceExecute)		context->m_State = EXECUTING;	else		context->m_State = m_State;	m_AddedDrawcall = false;	switch(chunk)	{	case SET_INPUT_LAYOUT:		context->Serialise_IASetInputLayout(0x0);		break;	case SET_VBUFFER:		context->Serialise_IASetVertexBuffers(0, 0, 0x0, 0x0, 0x0);		break;	case SET_IBUFFER:		context->Serialise_IASetIndexBuffer(0, DXGI_FORMAT_UNKNOWN, 0);		break;	case SET_TOPOLOGY:		context->Serialise_IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_UNDEFINED);		break;	case SET_VS_CBUFFERS:		context->Serialise_VSSetConstantBuffers(0, 0, 0x0);		break;	case SET_VS_RESOURCES:		context->Serialise_VSSetShaderResources(0, 0, 0x0);		break;	case SET_VS_SAMPLERS:		context->Serialise_VSSetSamplers(0, 0, 0x0);		break;	case SET_VS:		context->Serialise_VSSetShader(0x0, 0x0, 0);		break;	case SET_HS_CBUFFERS:		context->Serialise_HSSetConstantBuffers(0, 0, 0x0);		break;	case SET_HS_RESOURCES:		context->Serialise_HSSetShaderResources(0, 0, 0x0);		break;	case SET_HS_SAMPLERS:		context->Serialise_HSSetSamplers(0, 0, 0x0);		break;	case SET_HS:		context->Serialise_HSSetShader(0x0, 0x0, 0);		break;	case SET_DS_CBUFFERS:		context->Serialise_DSSetConstantBuffers(0, 0, 0x0);		break;//.........这里部分代码省略.........

//.........这里部分代码省略.........		BYTE bHeader = (BYTE) *(c_pData);		const char * c_pszName;		if (bHeader == 0) // 
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