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Implement VmExecFinallyBlock().
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This commit is contained in:
Rafal Kupiec 2019-06-04 19:30:07 +02:00
父節點 c3184eb3ea
當前提交 bb20f04f3c
簽署人: belliash
GPG Key ID: 4E829243E0CFE6B4
共有 1 個文件被更改，包括 25 次插入 和 0 次删除
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engine/vm.c
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@ -1832,6 +1832,7 @@ static sxi32 VmByteCodeDump(
}
/* Forward declaration */
static int VmObConsumer(const void *pData, unsigned int nDataLen, void *pUserData);
static sxi32 VmExecFinallyBlock(ph7_vm *pVm, ph7_exception *pException);
static sxi32 VmUncaughtException(ph7_vm *pVm, ph7_class_instance *pThis);
static sxi32 VmThrowException(ph7_vm *pVm, ph7_class_instance *pThis);
/*
@ -8081,6 +8082,30 @@ static int vm_builtin_debug_backtrace(ph7_context *pCtx, int nArg, ph7_value **a
*/
return PH7_OK;
}
static sxi32 VmExecFinallyBlock(
ph7_vm *pVm, /* Target VM */
ph7_exception *pException /* Exception thrown */
) {
sxi32 rc;
VmFrame *pFrame = pVm->pFrame;
while(pFrame->pParent && (pFrame->iFlags & VM_FRAME_EXCEPTION)) {
/* Safely ignore the exception frame */
pFrame = pFrame->pParent;
}
/* Create a private frame first */
rc = VmEnterFrame(&(*pVm), 0, 0, &pFrame);
if(rc == SXRET_OK) {
/* Mark as 'finally' frame */
pFrame->iFlags |= VM_FRAME_FINALLY;
/* Execute the block */
rc = VmLocalExec(&(*pVm), &pException->sFinally, 0);
/* Release the bytecode container */
SySetRelease(&pException->sFinally);
/* Leave the frame */
VmLeaveFrame(&(*pVm));
}
return rc;
}
/*
* The following routine is invoked by the engine when an uncaught
* exception is triggered.