abCalc/ops/abCOpNot.c

45 lines
657 B
C

/*
abCOpNot.c
By: Jeremy Rand
*/
#include <stdio.h>
#include "abCOpNot.h"
#include "abCOp.h"
#include "abCError.h"
#include "abCExpr.h"
#include "abCExprInt.h"
#include "abCStack.h"
#define OP_NAME "NOT"
static void notExecute(void);
void abCalcOpNotInit(void)
{
abCalcOpRegister(OP_NAME, notExecute);
}
void notExecute(void)
{
abCalcExpr result;
AB_CALC_OP_ONE_ARG(OP_NAME);
if (expr->type != abCalcExprTypeInt) {
abCalcRaiseError(abCalcBadArgTypeError, OP_NAME);
return;
}
abCalcExprIntSet(&result, ~(expr->u.integer));
abCalcStackExprPop(NULL);
abCalcStackExprPush(&result);
}