Function ParseArithmetic

NULLC/Parser.cpp:2252–2279

FastVector<LexemeType>	opStack;

bool ParseArithmetic(Lexeme** str)
{
	if(!ParseTerminal(str))
		return false;
	unsigned int opCount = 0;
	while((*str)->type >= lex_add && (*str)->type <= lex_in)
	{
		LexemeType lType = (*str)->type;
		while(opCount > 0 && opPrecedence[opStack.back() - lex_add] <= opPrecedence[lType - lex_add])
		{
			AddBinaryCommandNode((*str)->pos, opHandler[opStack.back() - lex_add]);
			opStack.pop_back();
			opCount--;
		}
		opStack.push_back(lType);
		opCount++;	// opStack is global, but we are tracing its local size
		(*str)++;
		if(!ParseTerminal(str))
			ThrowError((*str)->pos, "ERROR: terminal expression not found after binary operation");
	}
	while(opCount > 0)
	{
		AddBinaryCommandNode((*str)->pos, opHandler[opStack.back() - lex_add]);
		opStack.pop_back();
		opCount--;
	}
	return true;
}

bool ParseTernaryExpr(Lexeme** str)
{