Function FunctionParameterDefault

NULLC/Callbacks.cpp:2986–3017

}

void FunctionParameterDefault(const char* pos)
{
	FunctionInfo &lastFunc = *currDefinedFunc.back();

	TypeInfo *left = lastFunc.lastParam->varType;

	ConvertFunctionToPointer(pos, left);
	if(left)
		HandlePointerToObject(pos, left);

	TypeInfo *right = CodeInfo::nodeList.back()->typeInfo;

	if(!lastFunc.lastParam->varType)
	{
		left = lastFunc.lastParam->varType = right;
		lastFunc.allParamSize += right->size < 4 ? 4 : right->size;
	}
	if(left == typeVoid)
		ThrowError(pos, "ERROR: function parameter cannot be a void type", right->GetFullTypeName(), left->GetFullTypeName());
	
	// If types don't match and it it is not built-in basic types or if pointers point to different types
	if(right == typeVoid || (left != right && (left->type == TypeInfo::TYPE_COMPLEX || right->type == TypeInfo::TYPE_COMPLEX || left->subType != right->subType)) &&
		!(left->arrLevel == right->arrLevel && left->arrSize == TypeInfo::UNSIZED_ARRAY && right->arrSize != TypeInfo::UNSIZED_ARRAY))
		ThrowError(pos, "ERROR: cannot convert from '%s' to '%s'", right->GetFullTypeName(), left->GetFullTypeName());

	lastFunc.lastParam->defaultValue = CodeInfo::nodeList.back();
	CodeInfo::nodeList.pop_back();

	// Restore function arguments so that typeof could be taken
	for(VariableInfo *curr = lastFunc.firstParam; curr; curr = curr->next)
		varMap.insert(curr->nameHash, curr);
}

void FunctionPrototype(const char* pos)
{