output.c

简单编译器

int output(int operater)
{ 
	int result;			
	int num1,num2;
	pop();
	num2=topvalue;                    
    pop();
	num1=topvalue;
	switch (operater) {
	case '+':
		result=num1+num2;break;
    case '-':
		result=num1-num2;break;
	case '/':
		result=num1/num2;break;
	case '*':
		result=num1*num2;break;
	case DIV:
		result=(num1-num1%num2)/num2;break;
	case MOD:
		result=num1%num2;break;
	default:
		printf("error\n");return ERROR;
	}
push(result);

return OK;
}