Function AddArrayIterator

NULLC/Callbacks.cpp:2469–2647

}

void AddArrayIterator(const char* pos, InplaceStr varName, TypeInfo* type, bool extra)
{
	CodeInfo::lastKnownStartPos = pos;

	// Save current node type, because some information from it is required later
	TypeInfo *startType = CodeInfo::nodeList.back()->typeInfo;

	bool extraExpression = false;
	// If value dereference was already called, but we need to get a pointer to array
	if(CodeInfo::nodeList.back()->nodeType == typeNodeDereference)
	{
		((NodeDereference*)CodeInfo::nodeList.back())->Neutralize();
	}else if(CodeInfo::nodeList.back()->nodeType != typeNodeFunctionAddress){
		// Or if it wasn't called, for example, inplace array definition/function call/etc, we make a temporary variable
		AddInplaceVariable(pos);
		// And flag that we have added an extra node
		extraExpression = true;
	}

	// Special implementation of for each for built-in arrays
	if(startType->arrLevel)
	{
		assert(startType->subType->size != ~0u);

		// Add temporary variable that holds a pointer
		AddInplaceVariable(pos);
		NodeZeroOP *getArray = CodeInfo::nodeList.back();
		CodeInfo::nodeList.pop_back();

		// Initialization part "iterator_type $temp = 0;"
		CodeInfo::nodeList.push_back(new NodeNumber(0, typeInt));
		AddInplaceVariable(pos);
		NodeZeroOP *getIterator = CodeInfo::nodeList.back();
		CodeInfo::nodeList.pop_back();

		AddTwoExpressionNode(NULL);
		if(extraExpression)
			AddTwoExpressionNode(NULL);

		// Condition part "$temp < arr.size"
		CodeInfo::nodeList.push_back(getIterator);
		AddGetVariableNode(pos);
		CodeInfo::nodeList.push_back(getArray);
		AddMemberAccessNode(pos, InplaceStr("size"));
		AddGetVariableNode(pos);
		CodeInfo::nodeList.push_back(new NodeBinaryOp(cmdLess));

		// Iteration part "element_type varName = arr[$temp++];
		NodeOneOP *wrap = new NodeOneOP();
		wrap->SetFirstNode(getArray);
		CodeInfo::nodeList.push_back(wrap);
		NodeOneOP *wrap2 = new NodeOneOP();
		wrap2->SetFirstNode(getIterator);
		CodeInfo::nodeList.push_back(wrap2);
		AddUnaryModifyOpNode(pos, OP_INCREMENT, OP_POSTFIX);
		AddArrayIndexNode(pos);
		currType = (TypeInfo*)type ? CodeInfo::GetReferenceType((TypeInfo*)type) : NULL;
		VariableInfo *it = (VariableInfo*)AddVariable(pos, varName);