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Move VM initialization into separate step to enable errors reporting earlier.

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This commit is contained in:
Rafal Kupiec
2018-07-25 18:15:40 +02:00
parent 7bf76c3fa0
commit 63b0f450d3
3 changed files with 70 additions and 53 deletions
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68
engine/api.c
View File

@@ -604,6 +604,44 @@ int ph7_release(ph7 *pEngine) {
SyMemBackendPoolFree(&sMPGlobal.sAllocator, pEngine);
return rc;
}
int ph7_vm_init(
ph7 *pEngine, /* Running PH7 engine */
ph7_vm **ppOutVm /* OUT: A pointer to the virtual machine */
) {
ph7_vm *pVm;
int rc;
if(ppOutVm) {
*ppOutVm = 0;
}
/* Allocate a new virtual machine */
pVm = (ph7_vm *)SyMemBackendPoolAlloc(&pEngine->sAllocator, sizeof(ph7_vm));
if(pVm == 0) {
/* If the supplied memory subsystem is so sick that we are unable to allocate
* a tiny chunk of memory, there is no much we can do here. */
if(ppOutVm) {
*ppOutVm = 0;
}
return PH7_NOMEM;
}
/* Initialize the Virtual Machine */
rc = PH7_VmInit(pVm, &(*pEngine));
if(rc != PH7_OK) {
SyMemBackendPoolFree(&pEngine->sAllocator, pVm);
if(ppOutVm) {
*ppOutVm = 0;
}
return PH7_VM_ERR;
}
/* Reset the error message consumer */
SyBlobReset(&pEngine->xConf.sErrConsumer);
/* Set the default VM output consumer callback and it's
* private data. */
pVm->sVmConsumer.xConsumer = PH7_VmBlobConsumer;
pVm->sVmConsumer.pUserData = &pVm->sConsumer;
/* Point to the freshly created VM */
*ppOutVm = pVm;
return PH7_OK;
}
/*
* Compile a raw PHP script.
* To execute a PHP code, it must first be compiled into a byte-code program using this routine.
@@ -621,33 +659,14 @@ static sxi32 ProcessScript(
sxi32 iFlags, /* Compile-time flags */
const char *zFilePath /* File path if script come from a file. NULL otherwise */
) {
ph7_vm *pVm;
ph7_vm *pVm = *ppVm;
int iFileDir, rc;
char *pFileDir, *fFilePath[PATH_MAX + 1];
char *pFilePath[PATH_MAX + 1];
/* Allocate a new virtual machine */
pVm = (ph7_vm *)SyMemBackendPoolAlloc(&pEngine->sAllocator, sizeof(ph7_vm));
if(pVm == 0) {
/* If the supplied memory subsystem is so sick that we are unable to allocate
* a tiny chunk of memory, there is no much we can do here. */
if(ppVm) {
*ppVm = 0;
}
return PH7_NOMEM;
}
if(iFlags < 0) {
/* Default compile-time flags */
iFlags = 0;
}
/* Initialize the Virtual Machine */
rc = PH7_VmInit(pVm, &(*pEngine));
if(rc != PH7_OK) {
SyMemBackendPoolFree(&pEngine->sAllocator, pVm);
if(ppVm) {
*ppVm = 0;
}
return PH7_VM_ERR;
}
/* Install local import path which is the current directory */
ph7_vm_config(pVm, PH7_VM_CONFIG_IMPORT_PATH, "./");
if(zFilePath && SyRealPath(zFilePath, fFilePath) == PH7_OK) {
@@ -660,8 +679,6 @@ static sxi32 ProcessScript(
/* Push processed file path */
PH7_VmPushFilePath(pVm, pFilePath, -1, TRUE, 0);
}
/* Reset the error message consumer */
SyBlobReset(&pEngine->xConf.sErrConsumer);
/* Compile the script */
PH7_CompileScript(pVm, &(*pScript), iFlags);
if(pVm->sCodeGen.nErr > 0 || pVm == 0) {
@@ -691,8 +708,6 @@ static sxi32 ProcessScript(
/* Script successfully compiled,link to the list of active virtual machines */
MACRO_LD_PUSH(pEngine->pVms, pVm);
pEngine->iVm++;
/* Point to the freshly created VM */
*ppVm = pVm;
/* Ready to execute PH7 bytecode */
return PH7_OK;
Release:
@@ -772,9 +787,6 @@ int ph7_compile_v2(ph7 *pEngine, const char *zSource, int nLen, ph7_vm **ppOutVm
int ph7_compile_file(ph7 *pEngine, const char *zFilePath, ph7_vm **ppOutVm, int iFlags) {
const ph7_vfs *pVfs;
int rc;
if(ppOutVm) {
*ppOutVm = 0;
}
rc = PH7_OK; /* cc warning */
if(PH7_ENGINE_MISUSE(pEngine) || SX_EMPTY_STR(zFilePath)) {
return PH7_CORRUPT;
@@ -859,7 +871,7 @@ int ph7_vm_config(ph7_vm *pVm, int iConfigOp, ...) {
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Confiugure the virtual machine */
/* Configure the virtual machine */
va_start(ap, iConfigOp);
rc = PH7_VmConfigure(&(*pVm), iConfigOp, ap);
va_end(ap);

4
engine/vm.c
View File

@@ -1412,10 +1412,6 @@ PH7_PRIVATE sxi32 PH7_VmMakeReady(
if(pVm->aOps == 0) {
return SXERR_MEM;
}
/* Set the default VM output consumer callback and it's
* private data. */
pVm->sVmConsumer.xConsumer = PH7_VmBlobConsumer;
pVm->sVmConsumer.pUserData = &pVm->sConsumer;
/* Allocate the reference table */
pVm->nRefSize = 0x10; /* Must be a power of two for fast arithemtic */
pVm->apRefObj = (VmRefObj **)SyMemBackendAlloc(&pVm->sAllocator, sizeof(VmRefObj *) * pVm->nRefSize);