Method AllocBytes

IDEHelper/Compiler/BfModule.cpp:9642–9767

}

BfIRValue BfModule::AllocBytes(BfAstNode* refNode, const BfAllocTarget& allocTarget, BfType* type, BfIRValue sizeValue, BfIRValue alignValue, BfAllocFlags allocFlags/*, bool zeroMemory, bool defaultToMalloc*/)
{
	BfIRValue result;

	BfType* ptrType;
	if ((type->IsObject()) && ((allocFlags & BfAllocFlags_RawArray) == 0))
		ptrType = type;
	else
		ptrType = CreatePointerType(type);

	if ((allocTarget.mScopedInvocationTarget != NULL) || (allocTarget.mCustomAllocator))
	{
		auto intType = GetPrimitiveType(BfTypeCode_IntPtr);
		SizedArray<BfExpression*, 2> argExprs;

		BfTypedValueExpression typedValueExpr;
		typedValueExpr.Init(BfTypedValue(sizeValue, intType));
		typedValueExpr.mRefNode = refNode;
		argExprs.push_back(&typedValueExpr);

		BfTypedValueExpression appendSizeValueExpr;
		appendSizeValueExpr.Init(BfTypedValue(alignValue, intType));
		appendSizeValueExpr.mRefNode = refNode;
		argExprs.push_back(&appendSizeValueExpr);

		BfExprEvaluator exprEvaluator(this);
		BfTypedValue allocResult;

		if (allocTarget.mScopedInvocationTarget != NULL)
		{
			SizedArray<BfTypeReference*, 2> genericArgs;
			exprEvaluator.DoInvocation(allocTarget.mScopedInvocationTarget, NULL, argExprs, BfMethodGenericArguments());
			allocResult = LoadValue(exprEvaluator.mResult);
		}
		else if (allocTarget.mCustomAllocator)
		{
			auto customTypeInst = allocTarget.mCustomAllocator.mType->ToTypeInstance();
			if (customTypeInst == NULL)
			{
				if (allocTarget.mCustomAllocator.mType->IsStructPtr())
					customTypeInst = allocTarget.mCustomAllocator.mType->GetUnderlyingType()->ToTypeInstance();
			}

			if (customTypeInst == NULL)
			{
				Fail(StrFormat("Type '%s' cannot be used as a custom allocator", TypeToString(allocTarget.mCustomAllocator.mType).c_str()), refNode);
			}
			else
			{
				BfTypedValueExpression typeValueExpr;
				String allocMethodName = "Alloc";
				if (GetRawMethodByName(customTypeInst, "AllocTyped", -1, true, true))
				{
					allocMethodName = "AllocTyped";
					auto typeType = ResolveTypeDef(mCompiler->mTypeTypeDef);
					auto typeRefVal = CreateTypeDataRef(type);

					typeValueExpr.Init(BfTypedValue(typeRefVal, typeType));