Revert context frame implementation
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This commit is contained in:
Rafal Kupiec 2025-08-30 18:27:59 +02:00
parent 566997d080
commit cd924eb066
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
5 changed files with 12 additions and 52 deletions

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@ -1879,8 +1879,6 @@ static sxi32 PH7_CompileFor(ph7_gen_state *pGen) {
pTmp = pGen->pEnd;
pGen->pEnd = pEnd;
sxu32 nKey = (sxu32)(SX_PTR_TO_INT(pGen->pIn->pUserData));
/* Emit the OP_CF_START instruction to enter a context frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_CF_START, 0, 0, 0, 0);
if(nKey & (PH7_KEYWORD_AUTO | PH7_KEYWORD_TYPEDEF)) {
/* Compile variable */
PH7_CompileVar(&(*pGen));
@ -1982,8 +1980,6 @@ static sxi32 PH7_CompileFor(ph7_gen_state *pGen) {
PH7_GenStateFixJumps(pForBlock, -1, PH7_VmInstrLength(pGen->pVm));
/* Release the loop block */
PH7_GenStateLeaveBlock(pGen, 0);
/* Emit the OP_CF_STOP instruction to leave the context frame */
PH7_VmEmitInstr(pGen->pVm, nLine, PH7_OP_CF_STOP, 0, 0, 0, 0);
/* Statement successfully compiled */
return SXRET_OK;
}

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@ -19,7 +19,7 @@ PH7_PRIVATE sxi32 VmExtractDebugTrace(ph7_vm *pVm, SySet *pDebugTrace) {
/* Backup current frame */
VmFrame *oFrame = pVm->pFrame;
while(pVm->pFrame) {
if(pVm->pFrame->iFlags & (VM_FRAME_ACTIVE | VM_FRAME_CONTEXT)) {
if(pVm->pFrame->iFlags & VM_FRAME_ACTIVE) {
/* Iterate through all frames */
ph7_vm_func *pFunc;
pFunc = (ph7_vm_func *)pVm->pFrame->pUserData;
@ -116,12 +116,6 @@ static const char *VmInstrToString(sxi32 nOp) {
case PH7_OP_JMPNZ:
zOp = "JMPNZ";
break;
case PH7_OP_CF_START:
zOp = "CF_START";
break;
case PH7_OP_CF_STOP:
zOp = "CF_STOP";
break;
case PH7_OP_LF_START:
zOp = "LF_START";
break;

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@ -1394,7 +1394,7 @@ static ph7_value *VmExtractMemObj(
}
break;
}
if(pFrame->pParent && pFrame->iFlags & (VM_FRAME_CONTEXT | VM_FRAME_LOOP | VM_FRAME_EXCEPTION | VM_FRAME_CATCH | VM_FRAME_FINALLY)) {
if(pFrame->pParent && pFrame->iFlags & (VM_FRAME_LOOP | VM_FRAME_EXCEPTION | VM_FRAME_CATCH | VM_FRAME_FINALLY)) {
pFrame = pFrame->pParent;
} else {
break;
@ -1908,14 +1908,14 @@ static sxi32 VmByteCodeExec(
VmLeaveFrame(&(*pVm));
}
} else if(pVm->pFrame->iFlags & VM_FRAME_LOOP) {
while(pVm->pFrame->pParent && (pVm->pFrame->iFlags & (VM_FRAME_ACTIVE | VM_FRAME_CONTEXT)) == 0) {
while(pVm->pFrame->pParent && (pVm->pFrame->iFlags & VM_FRAME_ACTIVE) == 0) {
VmLeaveFrame(&(*pVm));
}
}
if(pResult) {
/* Execution result */
PH7_MemObjStore(pTos, pResult);
if(!pInstr->iP2 && pVm->pFrame->iFlags & (VM_FRAME_ACTIVE | VM_FRAME_CONTEXT)) {
if(!pInstr->iP2 && pVm->pFrame->iFlags & VM_FRAME_ACTIVE) {
ph7_vm_func *pFunc = (ph7_vm_func *)pVm->pFrame->pUserData;
if(pFunc->nType) {
if((pFunc->nType & MEMOBJ_MIXED) == 0) {
@ -2027,33 +2027,6 @@ static sxi32 VmByteCodeExec(
VmPopOperand(&pTos, 1);
}
break;
/*
* CF_START: * * *
*
* Creates and enters the active context frame.
*/
case PH7_OP_CF_START: {
VmFrame *pFrame = 0;
/* Enter the context frame */
rc = VmEnterFrame(&(*pVm), pVm->pFrame->pUserData, pVm->pFrame->pThis, &pFrame);
if(rc != SXRET_OK) {
PH7_VmMemoryError(&(*pVm));
}
pFrame->iFlags = VM_FRAME_CONTEXT;
break;
}
/*
* CF_STOP: * * *
*
* Leaves and destroys the active context frame.
*/
case PH7_OP_CF_STOP: {
/* Leave the context frame */
if(pVm->pFrame->iFlags & VM_FRAME_CONTEXT) {
VmLeaveFrame(&(*pVm));
}
break;
}
/*
* LF_START: * * *
*
@ -2347,7 +2320,7 @@ static sxi32 VmByteCodeExec(
/* Candidate for expansion via user defined callbacks */
for(;;) {
pEntry = SyHashGet(&pFrame->hConst, SyBlobData(&pObj->sBlob), SyBlobLength(&pObj->sBlob));
if(pEntry == 0 && pFrame->iFlags & (VM_FRAME_CONTEXT | VM_FRAME_LOOP) && pFrame->pParent) {
if(pEntry == 0 && pFrame->iFlags & VM_FRAME_LOOP && pFrame->pParent) {
pFrame = pFrame->pParent;
} else {
break;

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@ -1249,12 +1249,11 @@ struct VmFrame {
sxu32 iExceptionJump; /* Exception jump destination */
};
#define VM_FRAME_ACTIVE 0x01 /* Active call frame */
#define VM_FRAME_CONTEXT 0x02 /* Active context frame */
#define VM_FRAME_LOOP 0x04 /* Active loop frame */
#define VM_FRAME_EXCEPTION 0x08 /* Special Exception frame */
#define VM_FRAME_THROW 0x10 /* An exception was thrown */
#define VM_FRAME_CATCH 0x20 /* Catch frame */
#define VM_FRAME_FINALLY 0x40 /* Finally frame */
#define VM_FRAME_LOOP 0x02 /* Active loop frame */
#define VM_FRAME_EXCEPTION 0x04 /* Special Exception frame */
#define VM_FRAME_THROW 0x08 /* An exception was thrown */
#define VM_FRAME_CATCH 0x10 /* Catch frame */
#define VM_FRAME_FINALLY 0x20 /* Finally frame */
/*
* When a debug stacktrace is extracted from Virtual Machine, all information about
* calls (file, line, class, method, arguments) are stored in this structure.
@ -1389,8 +1388,6 @@ enum ph7_vm_op {
PH7_OP_JMP, /* Unconditional jump */
PH7_OP_JMPZ, /* Jump on zero (FALSE jump) */
PH7_OP_JMPNZ, /* Jump on non-zero (TRUE jump) */
PH7_OP_CF_START, /* Context frame start */
PH7_OP_CF_STOP, /* Context frame stop */
PH7_OP_LF_START, /* Loop frame start */
PH7_OP_LF_STOP, /* Loop frame stop */
PH7_OP_POP, /* Stack POP */

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@ -23,7 +23,7 @@ class Base32 {
}
string[] $fiveBitBinaryArray = str_split($binaryString, 5);
string $base32 = '';
int $i = 0;
$i = 0;
while($i < sizeof($fiveBitBinaryArray)) {
$base32 += Base32::$map[base_convert(str_pad($fiveBitBinaryArray[$i], 5,'0'), 2, 10)];
$i++;
@ -50,7 +50,7 @@ class Base32 {
$input = str_replace('=','', $input);
char[] $aInput = str_split($input);
string $binaryString = '';
for(int $i = 0; $i < sizeof($aInput); $i = $i + 8) {
for($i = 0; $i < sizeof($aInput); $i = $i + 8) {
string $x = '';
if(!in_array($input[$i], Base32::$map))
return '';