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45 lines
675 B
C
45 lines
675 B
C
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/*
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abCalcOpSr.c
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By: Jeremy Rand
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*/
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#include <stdio.h>
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#include "abCalcOpSr.h"
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#include "abCalcOp.h"
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#include "abCalcError.h"
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#include "abCalcExpr.h"
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#include "abCalcExprInt.h"
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#include "abCalcStack.h"
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#define OP_NAME "SR"
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static void srExecute(void);
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void abCalcOpSrInit(void)
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{
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abCalcOpRegister(OP_NAME, srExecute);
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}
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void srExecute(void)
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{
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abCalcExpr result;
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AB_CALC_OP_ONE_ARG(OP_NAME);
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if (expr->type != abCalcExprTypeInt) {
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abCalcRaiseError(abCalcBadArgTypeError, OP_NAME);
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return;
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}
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abCalcExprIntSet(&result, (expr->u.integer >> 1));
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abCalcStackExprPop(NULL);
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abCalcStackExprPush(&result);
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}
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