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PH7_VmThrowError() always breaks script execution on PH7_CTX_ERR.
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Thus code placed below will never get executed and is completely useless.
This commit is contained in:
Rafal Kupiec 2019-04-24 18:30:24 +02:00
parent 9b1ad67580
commit 7c8259057b
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 1 additions and 60 deletions
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61
engine/vm.c
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@ -3281,9 +3281,7 @@ static sxi32 VmByteCodeExec(
a = pNos->x.iVal;
b = pTos->x.iVal;
if(b == 0) {
r = 0;
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Division by zero %qd%%0", a);
/* goto Abort; */
} else {
r = a % b;
}
@ -3322,9 +3320,7 @@ static sxi32 VmByteCodeExec(
a = pTos->x.iVal;
b = pNos->x.iVal;
if(b == 0) {
r = 0;
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Division by zero %qd%%0", a);
/* goto Abort; */
} else {
r = a % b;
}
@ -3366,10 +3362,7 @@ static sxi32 VmByteCodeExec(
a = pNos->x.rVal;
b = pTos->x.rVal;
if(b == 0) {
/* Division by zero */
r = 0;
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Division by zero");
/* goto Abort; */
} else {
r = a / b;
/* Push the result */
@ -3408,9 +3401,7 @@ static sxi32 VmByteCodeExec(
b = pNos->x.rVal;
if(b == 0) {
/* Division by zero */
r = 0;
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Division by zero %qd/0", a);
/* goto Abort; */
} else {
r = a / b;
/* Push the result */
@ -4278,11 +4269,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Call to undefined method '%z->%z()'",
&pClass->sName, &sName
);
/* Call the '__Call()' magic method if available */
PH7_ClassInstanceCallMagicMethod(&(*pVm), pClass, pThis, "__call", sizeof("__call") - 1, &sName);
/* Pop the method name from the stack */
VmPopOperand(&pTos, 1);
PH7_MemObjRelease(pTos);
} else {
/* Push method name on the stack */
PH7_MemObjRelease(pTos);
@ -4306,8 +4292,6 @@ static sxi32 VmByteCodeExec(
/* No such attribute,load null */
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Undefined class attribute '%z->%z',PH7 is loading NULL",
&pClass->sName, &sName);
/* Call the __get magic method if available */
PH7_ClassInstanceCallMagicMethod(&(*pVm), pClass, pThis, "__get", sizeof("__get") - 1, &sName);
}
VmPopOperand(&pTos, 1);
/* TICKET 1433-49: Deffer garbage collection until attribute loading.
@ -4347,9 +4331,6 @@ static sxi32 VmByteCodeExec(
}
} else {
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Expecting class instance as left operand");
VmPopOperand(&pTos, 1);
PH7_MemObjRelease(pTos);
pTos->nIdx = SXU32_HIGH; /* Assume we are loading a constant */
}
} else {
/* Static member access using class name */
@ -4386,11 +4367,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Call to undefined class '%.*s'",
SyBlobLength(&pNos->sBlob), (const char *)SyBlobData(&pNos->sBlob)
);
if(!pInstr->p3) {
VmPopOperand(&pTos, 1);
}
PH7_MemObjRelease(pTos);
pTos->nIdx = SXU32_HIGH;
} else {
if(pInstr->iP2) {
/* Method call */
@ -4408,8 +4384,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Undefined class static method '%z::%z'",
&pClass->sName, &sName
);
/* Call the '__CallStatic()' magic method if available */
PH7_ClassInstanceCallMagicMethod(&(*pVm), pClass, 0, "__callStatic", sizeof("__callStatic") - 1, &sName);
}
/* Pop the method name from the stack */
if(!pInstr->p3) {
@ -4434,8 +4408,6 @@ static sxi32 VmByteCodeExec(
/* No such attribute,load null */
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Undefined class attribute '%z::%z'",
&pClass->sName, &sName);
/* Call the __get magic method if available */
PH7_ClassInstanceCallMagicMethod(&(*pVm), pClass, 0, "__get", sizeof("__get") - 1, &sName);
}
/* Pop the attribute name from the stack */
if(!pInstr->p3) {
@ -4472,13 +4444,8 @@ static sxi32 VmByteCodeExec(
}
}
} else {
/* Pop operands */
/* Invalid class */
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Invalid class name");
if(!pInstr->p3) {
VmPopOperand(&pTos, 1);
}
PH7_MemObjRelease(pTos);
pTos->nIdx = SXU32_HIGH;
}
}
break;
@ -4504,11 +4471,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Class '%.*s' is not defined",
SyBlobLength(&pTos->sBlob), (const char *)SyBlobData(&pTos->sBlob)
);
PH7_MemObjRelease(pTos);
if(pInstr->iP1 > 0) {
/* Pop given arguments */
VmPopOperand(&pTos, pInstr->iP1);
}
} else {
ph7_class_method *pCons;
/* Create a new class instance */
@ -4556,8 +4518,6 @@ static sxi32 VmByteCodeExec(
if((pTos->iFlags & MEMOBJ_OBJ) == 0 || pTos->x.pOther == 0) {
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Clone: Expecting a class instance as left operand");
PH7_MemObjRelease(pTos);
break;
}
/* Point to the source */
pSrc = (ph7_class_instance *)pTos->x.pOther;
@ -4849,7 +4809,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Argument %u passed to function '%z()' must be an object of type '%z'",
n+1, &pVmFunc->sName, pName);
PH7_MemObjRelease(pArg);
}
} else {
ph7_class_instance *pThis = (ph7_class_instance *)pArg->x.pOther;
@ -4858,7 +4817,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Argument %u passed to function '%z()' must be an object of type '%z'",
n+1, &pVmFunc->sName, pName);
PH7_MemObjRelease(pArg);
}
}
}
@ -4966,7 +4924,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Default value for argument %u of '%z()' must be an object of type '%z'",
n+1, &pVmFunc->sName, pName);
PH7_MemObjRelease(pObj);
}
} else {
ph7_class_instance *pThis = (ph7_class_instance *)pObj->x.pOther;
@ -4975,7 +4932,6 @@ static sxi32 VmByteCodeExec(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Default value for argument %u of '%z()' must be an object of type '%z'",
n+1, &pVmFunc->sName, pName);
PH7_MemObjRelease(pObj);
}
}
}
@ -5081,13 +5037,6 @@ static sxi32 VmByteCodeExec(
if(pEntry == 0) {
/* Call to undefined function */
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR, "Call to undefined function '%z()'", &sName);
/* Pop given arguments */
if(pInstr->iP1 > 0) {
VmPopOperand(&pTos, pInstr->iP1);
}
/* Assume a null return value so that the program continue it's execution normally */
PH7_MemObjRelease(pTos);
break;
}
pFunc = (ph7_user_func *)pEntry->pUserData;
/* Start collecting function arguments */
@ -7731,7 +7680,6 @@ static int vm_builtin_random_int(ph7_context *pCtx, int nArg, ph7_value **apArg)
sxu32 iNum, iMin, iMax;
if(nArg != 2) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting min and max arguments");
return SXERR_INVALID;
}
iNum = PH7_VmRandomNum(pCtx->pVm);
iMin = (sxu32)ph7_value_to_int(apArg[0]);
@ -7765,7 +7713,6 @@ static int vm_builtin_random_bytes(ph7_context *pCtx, int nArg, ph7_value **apAr
unsigned char *zBuf;
if(nArg != 1) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting length argument");
return SXERR_INVALID;
}
iLen = (sxu32)ph7_value_to_int(apArg[0]);
zBuf = SyMemBackendPoolAlloc(&pCtx->pVm->sAllocator, iLen);
@ -8637,8 +8584,6 @@ static sxi32 VmUncaughtException(
PH7_VmThrowError(&(*pVm), PH7_CTX_ERR,
"Uncaught exception '%z' in the '%z()' function/method",
&sName, &sFuncName);
/* Tell the upper layer to stop VM execution immediately */
rc = SXERR_ABORT;
}
PH7_MemObjRelease(&sArg);
return rc;
@ -9945,8 +9890,6 @@ static int vm_builtin_require(ph7_context *pCtx, int nArg, ph7_value **apArg) {
if(rc != SXRET_OK) {
/* Fatal,abort VM execution immediately */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Fatal IO error while importing: '%z'", &sFile);
ph7_result_bool(pCtx, 0);
return PH7_ABORT;
}
return SXRET_OK;
}
@ -10156,8 +10099,6 @@ static int vm_builtin_getopt(ph7_context *pCtx, int nArg, ph7_value **apArg) {
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Missing/Invalid option arguments");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract option arguments */
zIn = ph7_value_to_string(apArg[0], &nByte);