Function parsePostfixExpression

pcsx2/DebugTools/ExpressionParser.cpp:414–609

}

bool parsePostfixExpression(PostfixExpression& exp, IExpressionFunctions* funcs, u64& dest, std::string& error)
{
	size_t num = 0;
	u64 opcode;
	std::vector<u64> valueStack;
	u64 arg[5] = {0};
	float fArg[5] = {0};
	bool useFloat = false;

	while (num < exp.size())
	{
		switch (exp[num].first)
		{
		case EXCOMM_CONST:	// konstante zahl
			valueStack.push_back(exp[num++].second);
			break;
		case EXCOMM_CONST_FLOAT:
			useFloat = true;
			valueStack.push_back(exp[num++].second);
			break;
		case EXCOMM_REF:
			useFloat = useFloat || funcs->getReferenceType(exp[num].second) == EXPR_TYPE_FLOAT;
			opcode = funcs->getReferenceValue(exp[num++].second);
			valueStack.push_back(opcode);
			break;
		case EXCOMM_OP:	// opcode
			opcode = exp[num++].second;
			if (valueStack.size() < ExpressionOpcodes[opcode].args)
			{
				error = TRANSLATE("ExpressionParser", "Not enough arguments.");
				return false;
			}
			for (int l = 0; l < ExpressionOpcodes[opcode].args; l++)
			{
				arg[l] = valueStack[valueStack.size()-1];
				fArg[l] = arg[l];
				valueStack.pop_back();
			}

			switch (opcode)
			{
			case EXOP_MEMSIZE:	// must be followed by EXOP_MEM
				if (exp[num++].second != EXOP_MEM)
				{
					error = TRANSLATE("ExpressionParser", "Invalid memsize operator.");
					return false;
				}

				u64 val;
				if(!funcs->getMemoryValue(arg[1],arg[0],val,error))
				{
					return false;
				}
				valueStack.push_back(val);
				break;
			case EXOP_MEM:
				{
					u64 val;