abCalc/ops/abCOpSl.c

46 lines
673 B
C

/*
abCOpSl.c
By: Jeremy Rand
*/
#include <stdio.h>
#include "abCError.h"
#include "abCStack.h"
#include "expr/abCExpr.h"
#include "expr/abCExprInt.h"
#include "ops/abCOp.h"
#include "ops/abCOpSl.h"
#define OP_NAME "SL"
static void slExecute(void);
void abCalcOpSlInit(void)
{
abCalcOpRegister(OP_NAME, slExecute);
}
void slExecute(void)
{
abCalcExpr result;
AB_CALC_OP_ONE_ARG(OP_NAME);
if (expr->type != abCalcExprTypeInt) {
abCalcRaiseError(abCalcBadArgTypeError, OP_NAME);
return;
}
abCalcExprIntSet(&result, (expr->u.integer << 1));
abCalcStackExprPop(NULL);
abCalcStackExprPush(&result);
}