69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/*
|
|
abCOpMult.c
|
|
By: Jeremy Rand
|
|
*/
|
|
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "abCError.h"
|
|
#include "abCStack.h"
|
|
|
|
#include "expr/abCExpr.h"
|
|
#include "expr/abCExpReal.h"
|
|
#include "expr/abCExprInt.h"
|
|
|
|
#include "ops/abCOp.h"
|
|
#include "ops/abCOpMult.h"
|
|
|
|
|
|
#define MUL_NAME "*"
|
|
|
|
|
|
static void multExecute(void);
|
|
|
|
|
|
void abCalcOpMultInit(void)
|
|
{
|
|
abCalcOpRegister(MUL_NAME, multExecute);
|
|
}
|
|
|
|
|
|
void multExecute(void)
|
|
{
|
|
abCalcExpr result;
|
|
char expr1Real = 0;
|
|
char expr2Real = 0;
|
|
AB_CALC_OP_TWO_ARGS(MUL_NAME);
|
|
|
|
if (expr1->type == abCalcExprTypeReal) {
|
|
expr1Real = 1;
|
|
} else if (expr1->type != abCalcExprTypeInt) {
|
|
abCalcRaiseError(abCalcBadArgTypeError, MUL_NAME);
|
|
return;
|
|
}
|
|
|
|
if (expr2->type == abCalcExprTypeReal) {
|
|
expr2Real = 1;
|
|
} else if (expr2->type != abCalcExprTypeInt) {
|
|
abCalcRaiseError(abCalcBadArgTypeError, MUL_NAME);
|
|
return;
|
|
}
|
|
|
|
if ((expr1Real) && (expr2Real)) {
|
|
abCalcExprRealSet(&result, expr2->u.real * expr1->u.real);
|
|
} else {
|
|
if (expr1Real) {
|
|
abCalcExprIntSet(&result, expr2->u.integer * (abCalcIntType)expr1->u.real);
|
|
} else if (expr2Real) {
|
|
abCalcExprIntSet(&result, (abCalcIntType)expr2->u.real * expr1->u.integer);
|
|
} else {
|
|
abCalcExprIntSet(&result, expr2->u.integer * expr1->u.integer);
|
|
}
|
|
}
|
|
|
|
abCalcStackExprPop(NULL);
|
|
abCalcStackExprPop(NULL);
|
|
abCalcStackExprPush(&result);
|
|
}
|