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AerScript is strict type hinting language, thus OP_TEQ & OP_TNE are not needed here.
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This commit is contained in:
Rafal Kupiec
2019-04-11 06:25:20 +02:00
parent 9c426b20cc
commit 4eaf6a7117
4 changed files with 1 additions and 79 deletions
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72
engine/vm.c
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@@ -3717,72 +3717,6 @@ static sxi32 VmByteCodeExec(
}
break;
}
/* OP_TEQ P1 P2 *
*
* Pop the top two elements from the stack. If they have the same type and are equal
* then jump to instruction P2. Otherwise, continue to the next instruction.
* If P2 is zero, do not jump. Instead, push a boolean 1 (TRUE) onto the
* stack if the jump would have been taken, or a 0 (FALSE) if not.
*/
case PH7_OP_TEQ: {
ph7_value *pNos = &pTos[-1];
/* Perform the comparison and act accordingly */
#ifdef UNTRUST
if(pNos < pStack) {
goto Abort;
}
#endif
rc = PH7_MemObjCmp(pNos, pTos, TRUE, 0) == 0;
VmPopOperand(&pTos, 1);
if(!pInstr->iP2) {
/* Push comparison result without taking the jump */
PH7_MemObjRelease(pTos);
pTos->x.iVal = rc;
/* Invalidate any prior representation */
MemObjSetType(pTos, MEMOBJ_BOOL);
} else {
if(rc) {
/* Jump to the desired location */
pc = pInstr->iP2 - 1;
VmPopOperand(&pTos, 1);
}
}
break;
}
/* OP_TNE P1 P2 *
*
* Pop the top two elements from the stack.If they are not equal an they are not
* of the same type, then jump to instruction P2. Otherwise, continue to the next
* instruction.
* If P2 is zero, do not jump. Instead, push a boolean 1 (TRUE) onto the
* stack if the jump would have been taken, or a 0 (FALSE) if not.
*
*/
case PH7_OP_TNE: {
ph7_value *pNos = &pTos[-1];
/* Perform the comparison and act accordingly */
#ifdef UNTRUST
if(pNos < pStack) {
goto Abort;
}
#endif
rc = PH7_MemObjCmp(pNos, pTos, TRUE, 0) != 0;
VmPopOperand(&pTos, 1);
if(!pInstr->iP2) {
/* Push comparison result without taking the jump */
PH7_MemObjRelease(pTos);
pTos->x.iVal = rc;
/* Invalidate any prior representation */
MemObjSetType(pTos, MEMOBJ_BOOL);
} else {
if(rc) {
/* Jump to the desired location */
pc = pInstr->iP2 - 1;
VmPopOperand(&pTos, 1);
}
}
break;
}
/* OP_LT P1 P2 P3
*
* Pop the top two elements from the stack. If the second element (the top of stack)
@@ -5499,12 +5433,6 @@ static const char *VmInstrToString(sxi32 nOp) {
case PH7_OP_NEQ:
zOp = "NEQ";
break;
case PH7_OP_TEQ:
zOp = "TEQ";
break;
case PH7_OP_TNE:
zOp = "TNE";
break;
case PH7_OP_BAND:
zOp = "BITAND";
break;