Merge branch 'include_fix' into 'master'
This commit is contained in:
commit
deabbd5554
68
engine/api.c
68
engine/api.c
|
@ -604,6 +604,44 @@ int ph7_release(ph7 *pEngine) {
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SyMemBackendPoolFree(&sMPGlobal.sAllocator, pEngine);
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return rc;
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}
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int ph7_vm_init(
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ph7 *pEngine, /* Running PH7 engine */
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ph7_vm **ppOutVm /* OUT: A pointer to the virtual machine */
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) {
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ph7_vm *pVm;
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int rc;
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if(ppOutVm) {
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*ppOutVm = 0;
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}
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/* Allocate a new virtual machine */
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pVm = (ph7_vm *)SyMemBackendPoolAlloc(&pEngine->sAllocator, sizeof(ph7_vm));
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if(pVm == 0) {
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/* If the supplied memory subsystem is so sick that we are unable to allocate
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* a tiny chunk of memory, there is no much we can do here. */
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if(ppOutVm) {
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*ppOutVm = 0;
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}
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return PH7_NOMEM;
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}
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/* Initialize the Virtual Machine */
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rc = PH7_VmInit(pVm, &(*pEngine));
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if(rc != PH7_OK) {
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SyMemBackendPoolFree(&pEngine->sAllocator, pVm);
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if(ppOutVm) {
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*ppOutVm = 0;
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}
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return PH7_VM_ERR;
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}
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/* Reset the error message consumer */
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SyBlobReset(&pEngine->xConf.sErrConsumer);
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/* Set the default VM output consumer callback and it's
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* private data. */
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pVm->sVmConsumer.xConsumer = PH7_VmBlobConsumer;
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pVm->sVmConsumer.pUserData = &pVm->sConsumer;
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/* Point to the freshly created VM */
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*ppOutVm = pVm;
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return PH7_OK;
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}
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/*
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* Compile a raw PHP script.
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* To execute a PHP code, it must first be compiled into a byte-code program using this routine.
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@ -621,33 +659,14 @@ static sxi32 ProcessScript(
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sxi32 iFlags, /* Compile-time flags */
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const char *zFilePath /* File path if script come from a file. NULL otherwise */
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) {
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ph7_vm *pVm;
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ph7_vm *pVm = *ppVm;
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int iFileDir, rc;
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char *pFileDir, *fFilePath[PATH_MAX + 1];
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char *pFilePath[PATH_MAX + 1];
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/* Allocate a new virtual machine */
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pVm = (ph7_vm *)SyMemBackendPoolAlloc(&pEngine->sAllocator, sizeof(ph7_vm));
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if(pVm == 0) {
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/* If the supplied memory subsystem is so sick that we are unable to allocate
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* a tiny chunk of memory, there is no much we can do here. */
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if(ppVm) {
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*ppVm = 0;
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}
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return PH7_NOMEM;
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}
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if(iFlags < 0) {
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/* Default compile-time flags */
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iFlags = 0;
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}
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/* Initialize the Virtual Machine */
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rc = PH7_VmInit(pVm, &(*pEngine));
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if(rc != PH7_OK) {
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SyMemBackendPoolFree(&pEngine->sAllocator, pVm);
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if(ppVm) {
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*ppVm = 0;
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}
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return PH7_VM_ERR;
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}
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/* Install local import path which is the current directory */
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ph7_vm_config(pVm, PH7_VM_CONFIG_IMPORT_PATH, "./");
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if(zFilePath && SyRealPath(zFilePath, fFilePath) == PH7_OK) {
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@ -660,8 +679,6 @@ static sxi32 ProcessScript(
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/* Push processed file path */
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PH7_VmPushFilePath(pVm, pFilePath, -1, TRUE, 0);
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}
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/* Reset the error message consumer */
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SyBlobReset(&pEngine->xConf.sErrConsumer);
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/* Compile the script */
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PH7_CompileScript(pVm, &(*pScript), iFlags);
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if(pVm->sCodeGen.nErr > 0 || pVm == 0) {
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@ -691,8 +708,6 @@ static sxi32 ProcessScript(
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/* Script successfully compiled,link to the list of active virtual machines */
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MACRO_LD_PUSH(pEngine->pVms, pVm);
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pEngine->iVm++;
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/* Point to the freshly created VM */
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*ppVm = pVm;
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/* Ready to execute PH7 bytecode */
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return PH7_OK;
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Release:
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|
@ -772,9 +787,6 @@ int ph7_compile_v2(ph7 *pEngine, const char *zSource, int nLen, ph7_vm **ppOutVm
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int ph7_compile_file(ph7 *pEngine, const char *zFilePath, ph7_vm **ppOutVm, int iFlags) {
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const ph7_vfs *pVfs;
|
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int rc;
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if(ppOutVm) {
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*ppOutVm = 0;
|
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}
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rc = PH7_OK; /* cc warning */
|
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if(PH7_ENGINE_MISUSE(pEngine) || SX_EMPTY_STR(zFilePath)) {
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return PH7_CORRUPT;
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@ -859,7 +871,7 @@ int ph7_vm_config(ph7_vm *pVm, int iConfigOp, ...) {
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return PH7_ABORT; /* Another thread have released this instance */
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}
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#endif
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/* Confiugure the virtual machine */
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/* Configure the virtual machine */
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va_start(ap, iConfigOp);
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rc = PH7_VmConfigure(&(*pVm), iConfigOp, ap);
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va_end(ap);
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|
|
|
@ -4006,12 +4006,27 @@ Synchronize:
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static sxi32 PH7_CompileClassInterface(ph7_gen_state *pGen) {
|
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sxu32 nLine = pGen->pIn->nLine;
|
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ph7_class *pClass, *pBase;
|
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ph7_class_info *pClassInfo;
|
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SyToken *pEnd, *pTmp;
|
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SyString *pName;
|
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sxi32 nKwrd;
|
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sxi32 rc;
|
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sxi32 iP1 = 0;
|
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/* Jump the 'interface' keyword */
|
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pGen->pIn++;
|
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if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
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/* Syntax error */
|
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rc = PH7_GenCompileError(pGen, E_ERROR, nLine, "Invalid interface name");
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if(rc == SXERR_ABORT) {
|
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/* Error count limit reached,abort immediately */
|
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return SXERR_ABORT;
|
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}
|
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/* Synchronize with the first semi-colon or curly braces */
|
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while(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & (PH7_TK_OCB/*'{'*/ | PH7_TK_SEMI/*';'*/)) == 0) {
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pGen->pIn++;
|
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}
|
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return SXRET_OK;
|
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}
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/* Extract interface name */
|
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pName = &pGen->pIn->sData;
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/* Advance the stream cursor */
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@ -4022,16 +4037,23 @@ static sxi32 PH7_CompileClassInterface(ph7_gen_state *pGen) {
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PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
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return SXERR_ABORT;
|
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}
|
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/* Obtain a raw class inheritance storage */
|
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pClassInfo = PH7_NewClassInfo(pGen->pVm, pName);
|
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if(pClassInfo == 0) {
|
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PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
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return SXERR_ABORT;
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}
|
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/* Mark as an interface */
|
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pClass->iFlags = PH7_CLASS_INTERFACE;
|
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/* Assume no base class is given */
|
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pBase = 0;
|
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if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD)) {
|
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SyString pBaseName;
|
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nKwrd = SX_PTR_TO_INT(pGen->pIn->pUserData);
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if(nKwrd == PH7_TKWRD_EXTENDS /* interface b extends a */) {
|
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SyString *pBaseName;
|
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/* Extract base interface */
|
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pGen->pIn++;
|
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for(;;) {
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
|
||||
/* Syntax error */
|
||||
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
|
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|
@ -4044,22 +4066,20 @@ static sxi32 PH7_CompileClassInterface(ph7_gen_state *pGen) {
|
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}
|
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return SXRET_OK;
|
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}
|
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pBaseName = &pGen->pIn->sData;
|
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pBase = PH7_VmExtractClass(pGen->pVm, pBaseName->zString, pBaseName->nByte, FALSE, 0);
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/* Only interfaces is allowed */
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while(pBase && (pBase->iFlags & PH7_CLASS_INTERFACE) == 0) {
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pBase = pBase->pNextName;
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}
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if(pBase == 0) {
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/* Inexistant interface */
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rc = PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "Inexistant base interface '%z'", pBaseName);
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if(rc == SXERR_ABORT) {
|
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/* Error count limit reached,abort immediately */
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return SXERR_ABORT;
|
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}
|
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}
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/* Extract base class name */
|
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char *sName = SyMemBackendStrDup(&pGen->pVm->sAllocator, pGen->pIn->sData.zString, pGen->pIn->sData.nByte);
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SyStringInitFromBuf(&pBaseName, sName, SyStrlen(sName));
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/* Register inherited class */
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SySetPut(&pClassInfo->sExtends, (const void *)&pBaseName);
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/* Advance the stream cursor */
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pGen->pIn++;
|
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if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_COMMA) == 0) {
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break;
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}
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/* Jump the comma operator */
|
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pGen->pIn++;
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}
|
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iP1 = 1;
|
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}
|
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}
|
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if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_OCB /*'{'*/) == 0) {
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|
@ -4191,9 +4211,9 @@ static sxi32 PH7_CompileClassInterface(ph7_gen_state *pGen) {
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}
|
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/* Install the interface */
|
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rc = PH7_VmInstallClass(pGen->pVm, pClass);
|
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if(rc == SXRET_OK && pBase) {
|
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/* Inherit from the base interface */
|
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rc = PH7_ClassInterfaceInherit(pClass, pBase);
|
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if(iP1) {
|
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/* Emit the INTERFACE_INIT instruction only if there is such a need */
|
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PH7_VmEmitInstr(pGen->pVm, PH7_OP_INTERFACE_INIT, iP1, 0, pClassInfo, 0);
|
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}
|
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if(rc != SXRET_OK) {
|
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PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
|
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|
@ -4222,13 +4242,15 @@ done:
|
|||
static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
|
||||
sxu32 nLine = pGen->pIn->nLine;
|
||||
ph7_class *pClass, *pBase;
|
||||
ph7_class_info *pClassInfo;
|
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SyToken *pEnd, *pTmp;
|
||||
sxi32 iProtection;
|
||||
SySet aInterfaces;
|
||||
sxi32 iAttrflags;
|
||||
SyString *pName;
|
||||
sxi32 nKwrd;
|
||||
sxi32 rc;
|
||||
sxi32 iP1 = 0;
|
||||
sxu32 iP2 = 0;
|
||||
/* Jump the 'class' keyword */
|
||||
pGen->pIn++;
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
|
||||
|
@ -4254,15 +4276,20 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
|
|||
PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
/* implemented interfaces container */
|
||||
SySetInit(&aInterfaces, &pGen->pVm->sAllocator, sizeof(ph7_class *));
|
||||
/* Obtain a raw class inheritance storage */
|
||||
pClassInfo = PH7_NewClassInfo(pGen->pVm, pName);
|
||||
if(pClassInfo == 0) {
|
||||
PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
/* Assume a standalone class */
|
||||
pBase = 0;
|
||||
if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD)) {
|
||||
SyString *pBaseName;
|
||||
SyString pBaseName;
|
||||
nKwrd = SX_PTR_TO_INT(pGen->pIn->pUserData);
|
||||
if(nKwrd == PH7_TKWRD_EXTENDS /* class b extends a */) {
|
||||
pGen->pIn++; /* Advance the stream cursor */
|
||||
for(;;) {
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_ID) == 0) {
|
||||
/* Syntax error */
|
||||
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
|
||||
|
@ -4276,36 +4303,22 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
|
|||
return SXRET_OK;
|
||||
}
|
||||
/* Extract base class name */
|
||||
pBaseName = &pGen->pIn->sData;
|
||||
/* Perform the query */
|
||||
pBase = PH7_VmExtractClass(pGen->pVm, pBaseName->zString, pBaseName->nByte, FALSE, 0);
|
||||
/* Interfaces are not allowed */
|
||||
while(pBase && (pBase->iFlags & PH7_CLASS_INTERFACE)) {
|
||||
pBase = pBase->pNextName;
|
||||
}
|
||||
if(pBase == 0) {
|
||||
/* Inexistant base class */
|
||||
rc = PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "Inexistant base class '%z'", pBaseName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
/* Error count limit reached,abort immediately */
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
} else {
|
||||
if(pBase->iFlags & PH7_CLASS_FINAL) {
|
||||
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
|
||||
"Class '%z' may not inherit from final class '%z'", pName, &pBase->sName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
/* Error count limit reached,abort immediately */
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
}
|
||||
}
|
||||
char *sName = SyMemBackendStrDup(&pGen->pVm->sAllocator, pGen->pIn->sData.zString, pGen->pIn->sData.nByte);
|
||||
SyStringInitFromBuf(&pBaseName, sName, SyStrlen(sName));
|
||||
/* Register inherited class */
|
||||
SySetPut(&pClassInfo->sExtends, (const void *)&pBaseName);
|
||||
/* Advance the stream cursor */
|
||||
pGen->pIn++;
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_COMMA) == 0) {
|
||||
break;
|
||||
}
|
||||
/* Jump the comma operator */
|
||||
pGen->pIn++;
|
||||
}
|
||||
iP1 = 1;
|
||||
}
|
||||
if(pGen->pIn < pGen->pEnd && (pGen->pIn->nType & PH7_TK_KEYWORD) && SX_PTR_TO_INT(pGen->pIn->pUserData) == PH7_TKWRD_IMPLEMENTS) {
|
||||
ph7_class *pInterface;
|
||||
SyString *pIntName;
|
||||
SyString pIntName;
|
||||
/* Interface implementation */
|
||||
pGen->pIn++; /* Advance the stream cursor */
|
||||
for(;;) {
|
||||
|
@ -4314,38 +4327,27 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
|
|||
rc = PH7_GenCompileError(pGen, E_ERROR, nLine,
|
||||
"Expected 'interface_name' after 'implements' keyword inside class '%z' declaration",
|
||||
pName);
|
||||
SyMemBackendPoolFree(&pGen->pVm->sAllocator, pClass);
|
||||
if(rc == SXERR_ABORT) {
|
||||
/* Error count limit reached,abort immediately */
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
break;
|
||||
return SXRET_OK;
|
||||
}
|
||||
/* Extract interface name */
|
||||
pIntName = &pGen->pIn->sData;
|
||||
/* Make sure the interface is already defined */
|
||||
pInterface = PH7_VmExtractClass(pGen->pVm, pIntName->zString, pIntName->nByte, FALSE, 0);
|
||||
/* Only interfaces are allowed */
|
||||
while(pInterface && (pInterface->iFlags & PH7_CLASS_INTERFACE) == 0) {
|
||||
pInterface = pInterface->pNextName;
|
||||
}
|
||||
if(pInterface == 0) {
|
||||
/* Inexistant interface */
|
||||
rc = PH7_GenCompileError(pGen, E_ERROR, pGen->pIn->nLine, "Inexistant base interface '%z'", pIntName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
/* Error count limit reached,abort immediately */
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
} else {
|
||||
/* Register interface */
|
||||
SySetPut(&aInterfaces, (const void *)&pInterface);
|
||||
}
|
||||
char *sName = SyMemBackendStrDup(&pGen->pVm->sAllocator, pGen->pIn->sData.zString, pGen->pIn->sData.nByte);
|
||||
SyStringInitFromBuf(&pIntName, sName, SyStrlen(sName));
|
||||
/* Register inherited class */
|
||||
SySetPut(&pClassInfo->sImplements, (const void *)&pIntName);
|
||||
/* Advance the stream cursor */
|
||||
pGen->pIn++;
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_COMMA) == 0) {
|
||||
break;
|
||||
}
|
||||
pGen->pIn++;/* Jump the comma */
|
||||
/* Jump the comma */
|
||||
pGen->pIn++;
|
||||
}
|
||||
iP2 = 1;
|
||||
}
|
||||
}
|
||||
if(pGen->pIn >= pGen->pEnd || (pGen->pIn->nType & PH7_TK_OCB /*'{'*/) == 0) {
|
||||
|
@ -4585,23 +4587,10 @@ static sxi32 GenStateCompileClass(ph7_gen_state *pGen, sxi32 iFlags) {
|
|||
}
|
||||
/* Install the class */
|
||||
rc = PH7_VmInstallClass(pGen->pVm, pClass);
|
||||
if(rc == SXRET_OK) {
|
||||
ph7_class **apInterface;
|
||||
sxu32 n;
|
||||
if(pBase) {
|
||||
/* Inherit from base class and mark as a subclass */
|
||||
rc = PH7_ClassInherit(&(*pGen), pClass, pBase);
|
||||
if(iP1 || iP2) {
|
||||
/* Emit the CLASS_INIT instruction only if there is such a need */
|
||||
PH7_VmEmitInstr(pGen->pVm, PH7_OP_CLASS_INIT, iP1, iP2, pClassInfo, 0);
|
||||
}
|
||||
apInterface = (ph7_class **)SySetBasePtr(&aInterfaces);
|
||||
for(n = 0 ; n < SySetUsed(&aInterfaces) ; n++) {
|
||||
/* Implements one or more interface */
|
||||
rc = PH7_ClassImplement(pClass, apInterface[n]);
|
||||
if(rc != SXRET_OK) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
SySetRelease(&aInterfaces);
|
||||
if(rc != SXRET_OK) {
|
||||
PH7_GenCompileError(pGen, E_ERROR, nLine, "Fatal, PH7 is running out of memory");
|
||||
return SXERR_ABORT;
|
||||
|
|
60
engine/oop.c
60
engine/oop.c
|
@ -15,6 +15,33 @@
|
|||
/*
|
||||
* This file implement an Object Oriented (OO) subsystem for the PH7 engine.
|
||||
*/
|
||||
/*
|
||||
* Create an empty class inheritance storage.
|
||||
* Return a pointer to a storage (ph7_class_info instance) on success. NULL otherwise.
|
||||
*/
|
||||
PH7_PRIVATE ph7_class_info *PH7_NewClassInfo(ph7_vm *pVm, const SyString *pName) {
|
||||
ph7_class_info *pClassInfo;
|
||||
char *zName;
|
||||
/* Allocate a new instance */
|
||||
pClassInfo = (ph7_class_info *)SyMemBackendPoolAlloc(&pVm->sAllocator, sizeof(ph7_class_info));
|
||||
if(pClassInfo == 0) {
|
||||
return 0;
|
||||
}
|
||||
/* Zero the structure */
|
||||
SyZero(pClassInfo, sizeof(ph7_class_info));
|
||||
/* Duplicate class name */
|
||||
zName = SyMemBackendStrDup(&pVm->sAllocator, pName->zString, pName->nByte);
|
||||
if(zName == 0) {
|
||||
SyMemBackendPoolFree(&pVm->sAllocator, pClassInfo);
|
||||
return 0;
|
||||
}
|
||||
/* Initialize the class information storage */
|
||||
SyStringInitFromBuf(&pClassInfo->sName, zName, pName->nByte);
|
||||
SySetInit(&pClassInfo->sExtends, &pVm->sAllocator, sizeof(SyString));
|
||||
SySetInit(&pClassInfo->sImplements, &pVm->sAllocator, sizeof(SyString));
|
||||
/* All done */
|
||||
return pClassInfo;
|
||||
}
|
||||
/*
|
||||
* Create an empty class.
|
||||
* Return a pointer to a raw class (ph7_class instance) on success. NULL otherwise.
|
||||
|
@ -152,7 +179,7 @@ PH7_PRIVATE ph7_class_attr *PH7_ClassExtractAttribute(ph7_class *pClass, const c
|
|||
/* No such entry */
|
||||
return 0;
|
||||
}
|
||||
/* Point to the desierd method */
|
||||
/* Point to the desired method */
|
||||
return (ph7_class_attr *)pEntry->pUserData;
|
||||
}
|
||||
/*
|
||||
|
@ -216,7 +243,7 @@ PH7_PRIVATE sxi32 PH7_ClassInstallMethod(ph7_class *pClass, ph7_class_method *pM
|
|||
* Any other return value indicates failure and the upper layer must generate an appropriate
|
||||
* error message.
|
||||
*/
|
||||
PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_gen_state *pGen, ph7_class *pSub, ph7_class *pBase) {
|
||||
PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_vm *pVm, ph7_class *pSub, ph7_class *pBase) {
|
||||
ph7_class_method *pMeth;
|
||||
ph7_class_attr *pAttr;
|
||||
SyHashEntry *pEntry;
|
||||
|
@ -234,12 +261,12 @@ PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_gen_state *pGen, ph7_class *pSub, ph7_cla
|
|||
pAttr = (ph7_class_attr *)pEntry->pUserData;
|
||||
pName = &pAttr->sName;
|
||||
if((pEntry = SyHashGet(&pSub->hAttr, (const void *)pName->zString, pName->nByte)) != 0) {
|
||||
if(pAttr->iProtection == PH7_CLASS_PROT_PRIVATE &&
|
||||
((ph7_class_attr *)pEntry->pUserData)->iProtection != PH7_CLASS_PROT_PUBLIC) {
|
||||
if(pAttr->iProtection == PH7_CLASS_PROT_PRIVATE && ((ph7_class_attr *)pEntry->pUserData)->iProtection != PH7_CLASS_PROT_PUBLIC) {
|
||||
/* Cannot redeclare private attribute */
|
||||
PH7_GenCompileError(&(*pGen), E_WARNING, ((ph7_class_attr *)pEntry->pUserData)->nLine,
|
||||
"Private attribute '%z::%z' redeclared inside child class '%z'",
|
||||
&pBase->sName, pName, &pSub->sName);
|
||||
rc = VmErrorFormat(pVm, PH7_CTX_ERR, "Private attribute '%z::%z' redeclared inside child class '%z'", &pBase->sName, pName, &pSub->sName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
@ -259,9 +286,7 @@ PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_gen_state *pGen, ph7_class *pSub, ph7_cla
|
|||
if((pEntry = SyHashGet(&pSub->hMethod, (const void *)pName->zString, pName->nByte)) != 0) {
|
||||
if(pMeth->iFlags & PH7_CLASS_ATTR_FINAL) {
|
||||
/* Cannot Overwrite final method */
|
||||
rc = PH7_GenCompileError(&(*pGen), E_ERROR, ((ph7_class_method *)pEntry->pUserData)->nLine,
|
||||
"Cannot Overwrite final method '%z:%z' inside child class '%z'",
|
||||
&pBase->sName, pName, &pSub->sName);
|
||||
rc = VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Cannot overwrite final method '%z:%z()' inside child class '%z'", &pBase->sName, pName, &pSub->sName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
|
@ -270,9 +295,10 @@ PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_gen_state *pGen, ph7_class *pSub, ph7_cla
|
|||
} else {
|
||||
if(pMeth->iFlags & PH7_CLASS_ATTR_ABSTRACT) {
|
||||
/* Abstract method must be defined in the child class */
|
||||
PH7_GenCompileError(&(*pGen), E_WARNING, pMeth->nLine,
|
||||
"Abstract method '%z:%z' must be defined inside child class '%z'",
|
||||
&pBase->sName, pName, &pSub->sName);
|
||||
rc = VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Abstract method '%z:%z()' must be defined inside child class '%z'", &pBase->sName, pName, &pSub->sName);
|
||||
if(rc == SXERR_ABORT) {
|
||||
return SXERR_ABORT;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
}
|
||||
|
@ -936,7 +962,7 @@ PH7_PRIVATE sxi32 PH7_ClassInstanceDump(SyBlob *pOut, ph7_class_instance *pThis,
|
|||
* The above example will output:
|
||||
* Hello
|
||||
*
|
||||
* Note that PH7 does not support all the magical method and introudces __toFloat(),__toInt()
|
||||
* Note that PH7 does not support all the magical method and introduces __toFloat(),__toInt()
|
||||
* which have the same behaviour as __toString() but for float and integer types
|
||||
* respectively.
|
||||
* Refer to the official documentation for more information.
|
||||
|
@ -1011,7 +1037,7 @@ PH7_PRIVATE ph7_value *PH7_ClassInstanceExtractAttrValue(ph7_class_instance *pTh
|
|||
* int(991)
|
||||
* }
|
||||
* You have noticed that PH7 allow class attributes [i.e: $a,$c,$d in the example above]
|
||||
* have any complex expression (even function calls/Annonymous functions) as their default
|
||||
* have any complex expression (even function calls/anonymous functions) as their default
|
||||
* value unlike the standard PHP engine.
|
||||
* This is a very powerful feature that you have to look at.
|
||||
*/
|
||||
|
@ -1085,7 +1111,7 @@ PH7_PRIVATE sxi32 PH7_ClassInstanceWalk(
|
|||
return SXRET_OK;
|
||||
}
|
||||
/*
|
||||
* Extract a class atrribute value.
|
||||
* Extract a class attribute value.
|
||||
* Return a pointer to the attribute value on success. Otherwise NULL.
|
||||
* Note:
|
||||
* Access to static and constant attribute is not allowed. That is,the function
|
||||
|
@ -1101,7 +1127,7 @@ PH7_PRIVATE ph7_value *PH7_ClassInstanceFetchAttr(ph7_class_instance *pThis, con
|
|||
/* No such attribute */
|
||||
return 0;
|
||||
}
|
||||
/* Point to the class atrribute */
|
||||
/* Point to the class attribute */
|
||||
pAttr = (VmClassAttr *)pEntry->pUserData;
|
||||
/* Check if we are dealing with a static/constant attribute */
|
||||
if(pAttr->pAttr->iFlags & (PH7_CLASS_ATTR_CONSTANT | PH7_CLASS_ATTR_STATIC)) {
|
||||
|
|
123
engine/vm.c
123
engine/vm.c
|
@ -384,13 +384,8 @@ PH7_PRIVATE sxi32 PH7_VmInstallClass(
|
|||
/* Check for duplicates */
|
||||
pEntry = SyHashGet(&pVm->hClass, (const void *)pName->zString, pName->nByte);
|
||||
if(pEntry) {
|
||||
ph7_class *pLink = (ph7_class *)pEntry->pUserData;
|
||||
/* Link entry with the same name */
|
||||
pClass->pNextName = pLink;
|
||||
pEntry->pUserData = pClass;
|
||||
return SXRET_OK;
|
||||
PH7_VmThrowError(&(*pVm), 0, PH7_CTX_ERR, "Cannot declare class, because the name is already in use");
|
||||
}
|
||||
pClass->pNextName = 0;
|
||||
/* Perform a simple hashtable insertion */
|
||||
rc = SyHashInsert(&pVm->hClass, (const void *)pName->zString, pName->nByte, pClass);
|
||||
return rc;
|
||||
|
@ -632,7 +627,7 @@ static int VmOverloadCompare(SyString *pFirst, SyString *pSecond) {
|
|||
}
|
||||
/* Forward declaration */
|
||||
static sxi32 VmLocalExec(ph7_vm *pVm, SySet *pByteCode, ph7_value *pResult);
|
||||
static sxi32 VmErrorFormat(ph7_vm *pVm, sxi32 iErr, const char *zFormat, ...);
|
||||
sxi32 VmErrorFormat(ph7_vm *pVm, sxi32 iErr, const char *zFormat, ...);
|
||||
/*
|
||||
* Select the appropriate VM function for the current call context.
|
||||
* This is the implementation of the powerful 'function overloading' feature
|
||||
|
@ -1412,10 +1407,6 @@ 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);
|
||||
|
@ -2276,7 +2267,7 @@ static sxi32 VmThrowErrorAp(
|
|||
* Simple boring wrapper function.
|
||||
* ------------------------------------
|
||||
*/
|
||||
static sxi32 VmErrorFormat(ph7_vm *pVm, sxi32 iErr, const char *zFormat, ...) {
|
||||
sxi32 VmErrorFormat(ph7_vm *pVm, sxi32 iErr, const char *zFormat, ...) {
|
||||
va_list ap;
|
||||
sxi32 rc;
|
||||
va_start(ap, zFormat);
|
||||
|
@ -4517,6 +4508,87 @@ static sxi32 VmByteCodeExec(
|
|||
pc = nJump - 1;
|
||||
break;
|
||||
}
|
||||
/*
|
||||
* OP_CLASS_INIT P1 P2 P3
|
||||
* Perform additional class initialization, by adding base classes
|
||||
* and interfaces to its definition.
|
||||
*/
|
||||
case PH7_OP_CLASS_INIT:
|
||||
{
|
||||
ph7_class_info *pClassInfo = (ph7_class_info *)pInstr->p3;
|
||||
ph7_class *pClass = PH7_VmExtractClass(pVm, pClassInfo->sName.zString, pClassInfo->sName.nByte, FALSE, 0);
|
||||
ph7_class *pBase = 0;
|
||||
if(pInstr->iP1) {
|
||||
/* This class inherits from other classes */
|
||||
SyString *apExtends;
|
||||
while(SySetGetNextEntry(&pClassInfo->sExtends, (void **)&apExtends) == SXRET_OK) {
|
||||
pBase = PH7_VmExtractClass(pVm, apExtends->zString, apExtends->nByte, FALSE, 0);
|
||||
if(pBase == 0) {
|
||||
/* Non-existent base class */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Call to non-existent base class '%z'", &apExtends->zString);
|
||||
} else if(pBase->iFlags & PH7_CLASS_INTERFACE) {
|
||||
/* Trying to inherit from interface */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Class '%z' cannot inherit from interface '%z'", &pClass->sName.zString, &apExtends->zString);
|
||||
} else if(pBase->iFlags & PH7_CLASS_FINAL) {
|
||||
/* Trying to inherit from final class */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Class '%z' cannot inherit from final class '%z'", &pClass->sName.zString, &apExtends->zString);
|
||||
}
|
||||
rc = PH7_ClassInherit(pVm, pClass, pBase);
|
||||
if(rc != SXRET_OK) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if(pInstr->iP2) {
|
||||
/* This class implements some interfaces */
|
||||
SyString *apImplements;
|
||||
while(SySetGetNextEntry(&pClassInfo->sImplements, (void **)&apImplements) == SXRET_OK) {
|
||||
pBase = PH7_VmExtractClass(pVm, apImplements->zString, apImplements->nByte, FALSE, 0);
|
||||
if(pBase == 0) {
|
||||
/* Non-existent interface */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Call to non-existent interface '%z'", &apImplements->zString);
|
||||
} else if((pBase->iFlags & PH7_CLASS_INTERFACE) == 0) {
|
||||
/* Trying to implement a class */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Class '%z' cannot implement a class '%z'", &pClass->sName.zString, &apImplements->zString);
|
||||
}
|
||||
rc = PH7_ClassImplement(pClass, pBase);
|
||||
if(rc != SXRET_OK) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
/*
|
||||
* OP_INTERFACE_INIT P1 * P3
|
||||
* Perform additional interface initialization, by adding base interfaces
|
||||
* to its definition.
|
||||
*/
|
||||
case PH7_OP_INTERFACE_INIT:
|
||||
{
|
||||
ph7_class_info *pClassInfo = (ph7_class_info *)pInstr->p3;
|
||||
ph7_class *pClass = PH7_VmExtractClass(pVm, pClassInfo->sName.zString, pClassInfo->sName.nByte, FALSE, 0);
|
||||
ph7_class *pBase = 0;
|
||||
if(pInstr->iP1) {
|
||||
/* This interface inherits from other interface */
|
||||
SyString *apExtends;
|
||||
while(SySetGetNextEntry(&pClassInfo->sExtends, (void **)&apExtends) == SXRET_OK) {
|
||||
pBase = PH7_VmExtractClass(pVm, apExtends->zString, apExtends->nByte, FALSE, 0);
|
||||
if(pBase == 0) {
|
||||
/* Non-existent base interface */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Call to non-existent base interface '%z'", &apExtends->zString);
|
||||
} else if((pBase->iFlags & PH7_CLASS_INTERFACE) == 0) {
|
||||
/* Trying to inherit from class */
|
||||
VmErrorFormat(&(*pVm), PH7_CTX_ERR, "Interface '%z' cannot inherit from class '%z'", &pClass->sName.zString, &apExtends->zString);
|
||||
}
|
||||
rc = PH7_ClassInterfaceInherit(pClass, pBase);
|
||||
if(rc != SXRET_OK) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
}
|
||||
/*
|
||||
* OP_FOREACH_INIT * P2 P3
|
||||
* Prepare a foreach step.
|
||||
|
@ -6034,6 +6106,12 @@ static const char *VmInstrToString(sxi32 nOp) {
|
|||
case PH7_OP_THROW:
|
||||
zOp = "THROW ";
|
||||
break;
|
||||
case PH7_OP_CLASS_INIT:
|
||||
zOp = "CLASS_INIT ";
|
||||
break;
|
||||
case PH7_OP_INTERFACE_INIT:
|
||||
zOp = "INTER_INIT ";
|
||||
break;
|
||||
case PH7_OP_FOREACH_INIT:
|
||||
zOp = "4EACH_INIT ";
|
||||
break;
|
||||
|
@ -6766,16 +6844,23 @@ static int vm_builtin_method_exists(ph7_context *pCtx, int nArg, ph7_value **apA
|
|||
static int vm_builtin_class_exists(ph7_context *pCtx, int nArg, ph7_value **apArg) {
|
||||
int res = 0; /* Assume class does not exists */
|
||||
if(nArg > 0) {
|
||||
SyHashEntry *pEntry = 0;
|
||||
const char *zName;
|
||||
int nLen;
|
||||
/* Extract given name */
|
||||
zName = ph7_value_to_string(apArg[0], &nLen);
|
||||
/* Perform a hashlookup */
|
||||
if(nLen > 0 && SyHashGet(&pCtx->pVm->hClass, (const void *)zName, (sxu32)nLen) != 0) {
|
||||
if(nLen > 0) {
|
||||
pEntry = SyHashGet(&pCtx->pVm->hClass, (const void *)zName, (sxu32)nLen);
|
||||
}
|
||||
if(pEntry) {
|
||||
ph7_class *pClass = (ph7_class *)pEntry->pUserData;
|
||||
if((pClass->iFlags & PH7_CLASS_INTERFACE) == 0) {
|
||||
/* class is available */
|
||||
res = 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
ph7_result_bool(pCtx, res);
|
||||
return PH7_OK;
|
||||
}
|
||||
|
@ -6805,14 +6890,9 @@ static int vm_builtin_interface_exists(ph7_context *pCtx, int nArg, ph7_value **
|
|||
}
|
||||
if(pEntry) {
|
||||
ph7_class *pClass = (ph7_class *)pEntry->pUserData;
|
||||
while(pClass) {
|
||||
if(pClass->iFlags & PH7_CLASS_INTERFACE) {
|
||||
/* interface is available */
|
||||
res = 1;
|
||||
break;
|
||||
}
|
||||
/* Next with the same name */
|
||||
pClass = pClass->pNextName;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -11681,18 +11761,13 @@ PH7_PRIVATE ph7_class *PH7_VmExtractClass(
|
|||
}
|
||||
pClass = (ph7_class *)pEntry->pUserData;
|
||||
if(!iLoadable) {
|
||||
/* Return the first class seen */
|
||||
/* Return the class absolutely */
|
||||
return pClass;
|
||||
} else {
|
||||
/* Check the collision list */
|
||||
while(pClass) {
|
||||
if((pClass->iFlags & (PH7_CLASS_INTERFACE | PH7_CLASS_ABSTRACT)) == 0) {
|
||||
/* Class is loadable */
|
||||
return pClass;
|
||||
}
|
||||
/* Point to the next entry */
|
||||
pClass = pClass->pNextName;
|
||||
}
|
||||
}
|
||||
/* No such loadable class */
|
||||
return 0;
|
||||
|
|
|
@ -38,7 +38,9 @@ typedef struct ph7_foreach_info ph7_foreach_info;
|
|||
typedef struct ph7_foreach_step ph7_foreach_step;
|
||||
typedef struct ph7_hashmap_node ph7_hashmap_node;
|
||||
typedef struct ph7_hashmap ph7_hashmap;
|
||||
typedef struct ph7_class_info ph7_class_info;
|
||||
typedef struct ph7_class ph7_class;
|
||||
|
||||
/* Symisc Standard types */
|
||||
#if !defined(SYMISC_STD_TYPES)
|
||||
#define SYMISC_STD_TYPES
|
||||
|
@ -1021,6 +1023,15 @@ struct ph7_builtin_constant {
|
|||
/* Forward reference */
|
||||
typedef struct ph7_class_method ph7_class_method;
|
||||
typedef struct ph7_class_attr ph7_class_attr;
|
||||
/*
|
||||
* Information about class/interface inheritance and interface implementation
|
||||
* is stored in an instance of the following structure.
|
||||
*/
|
||||
struct ph7_class_info {
|
||||
SyString sName; /* Class full qualified name */
|
||||
SySet sExtends; /* List of inherited classes / interfaces */
|
||||
SySet sImplements; /* List of implemented interfaces */
|
||||
};
|
||||
/*
|
||||
* Each class is parsed out and stored in an instance of the following structure.
|
||||
* PH7 introduced powerfull extensions to the PHP 5 OO subsystems.
|
||||
|
@ -1035,7 +1046,6 @@ struct ph7_class {
|
|||
SyHash hMethod; /* Class methods */
|
||||
sxu32 nLine; /* Line number on which this class was declared */
|
||||
SySet aInterface; /* Implemented interface container */
|
||||
ph7_class *pNextName; /* Next class [interface, abstract, etc.] with the same name */
|
||||
};
|
||||
/* Class configuration flags */
|
||||
#define PH7_CLASS_FINAL 0x001 /* Class is final [cannot be extended] */
|
||||
|
@ -1361,6 +1371,8 @@ enum ph7_vm_op {
|
|||
PH7_OP_CVT_NULL, /* NULL cast */
|
||||
PH7_OP_CVT_ARRAY, /* Array cast */
|
||||
PH7_OP_CVT_OBJ, /* Object cast */
|
||||
PH7_OP_CLASS_INIT, /* Class init */
|
||||
PH7_OP_INTERFACE_INIT,/* Interface init */
|
||||
PH7_OP_FOREACH_INIT, /* For each init */
|
||||
PH7_OP_FOREACH_STEP, /* For each step */
|
||||
PH7_OP_IS_A, /* Instanceof */
|
||||
|
@ -1690,6 +1702,7 @@ PH7_PRIVATE sxi32 PH7_StripTagsFromString(ph7_context *pCtx, const char *zIn, in
|
|||
PH7_PRIVATE sxi32 PH7_ParseIniString(ph7_context *pCtx, const char *zIn, sxu32 nByte, int bProcessSection);
|
||||
#endif
|
||||
/* oo.c function prototypes */
|
||||
PH7_PRIVATE ph7_class_info *PH7_NewClassInfo(ph7_vm *pVm, const SyString *pName);
|
||||
PH7_PRIVATE ph7_class *PH7_NewRawClass(ph7_vm *pVm, const SyString *pName, sxu32 nLine);
|
||||
PH7_PRIVATE ph7_class_attr *PH7_NewClassAttr(ph7_vm *pVm, const SyString *pName, sxu32 nLine, sxi32 iProtection, sxi32 iFlags);
|
||||
PH7_PRIVATE ph7_class_method *PH7_NewClassMethod(ph7_vm *pVm, ph7_class *pClass, const SyString *pName, sxu32 nLine,
|
||||
|
@ -1698,7 +1711,7 @@ PH7_PRIVATE ph7_class_method *PH7_ClassExtractMethod(ph7_class *pClass, const ch
|
|||
PH7_PRIVATE ph7_class_attr *PH7_ClassExtractAttribute(ph7_class *pClass, const char *zName, sxu32 nByte);
|
||||
PH7_PRIVATE sxi32 PH7_ClassInstallAttr(ph7_class *pClass, ph7_class_attr *pAttr);
|
||||
PH7_PRIVATE sxi32 PH7_ClassInstallMethod(ph7_class *pClass, ph7_class_method *pMeth);
|
||||
PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_gen_state *pGen, ph7_class *pSub, ph7_class *pBase);
|
||||
PH7_PRIVATE sxi32 PH7_ClassInherit(ph7_vm *pVm, ph7_class *pSub, ph7_class *pBase);
|
||||
PH7_PRIVATE sxi32 PH7_ClassInterfaceInherit(ph7_class *pSub, ph7_class *pBase);
|
||||
PH7_PRIVATE sxi32 PH7_ClassImplement(ph7_class *pMain, ph7_class *pInterface);
|
||||
PH7_PRIVATE ph7_class_instance *PH7_NewClassInstance(ph7_vm *pVm, ph7_class *pClass);
|
||||
|
|
|
@ -152,6 +152,36 @@ int main(int argc, char **argv) {
|
|||
Output_Consumer, /* Error log consumer */
|
||||
0 /* NULL: Callback Private data */
|
||||
);
|
||||
/* Initialize the VM */
|
||||
rc = ph7_vm_init(pEngine, &pVm);
|
||||
if(rc != PH7_OK) {
|
||||
if(rc == PH7_NOMEM) {
|
||||
Fatal("Out of memory");
|
||||
} else if(rc == PH7_VM_ERR) {
|
||||
Fatal("VM initialization error");
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Now we have our VM initialized,it's time to configure our VM.
|
||||
* We will install the VM output consumer callback defined above
|
||||
* so that we can consume the VM output and redirect it to STDOUT.
|
||||
*/
|
||||
rc = ph7_vm_config(pVm,
|
||||
PH7_VM_CONFIG_OUTPUT,
|
||||
Output_Consumer, /* Output Consumer callback */
|
||||
0 /* Callback private data */
|
||||
);
|
||||
if(rc != PH7_OK) {
|
||||
Fatal("Error while installing the VM output consumer callback");
|
||||
}
|
||||
rc = ph7_vm_config(pVm, PH7_VM_CONFIG_ERR_REPORT, 1, 0);
|
||||
if(rc != PH7_OK) {
|
||||
Fatal("Error while configuring the VM error reporting");
|
||||
}
|
||||
if(err_report) {
|
||||
/* Report script run-time errors */
|
||||
ph7_vm_config(pVm, PH7_VM_CONFIG_ERR_REPORT);
|
||||
}
|
||||
/* Now,it's time to compile our PHP file */
|
||||
rc = ph7_compile_file(
|
||||
pEngine, /* PH7 Engine */
|
||||
|
@ -169,33 +199,12 @@ int main(int argc, char **argv) {
|
|||
Fatal("Compile error");
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Now we have our script compiled,it's time to configure our VM.
|
||||
* We will install the VM output consumer callback defined above
|
||||
* so that we can consume the VM output and redirect it to STDOUT.
|
||||
*/
|
||||
rc = ph7_vm_config(pVm,
|
||||
PH7_VM_CONFIG_OUTPUT,
|
||||
Output_Consumer, /* Output Consumer callback */
|
||||
0 /* Callback private data */
|
||||
);
|
||||
if(rc != PH7_OK) {
|
||||
Fatal("Error while installing the VM output consumer callback");
|
||||
}
|
||||
rc = ph7_vm_config(pVm, PH7_VM_CONFIG_ERR_REPORT, 1, 0);
|
||||
if(rc != PH7_OK) {
|
||||
Fatal("Error while configuring the VM error reporting");
|
||||
}
|
||||
/* Register script agruments so we can access them later using the $argv[]
|
||||
* array from the compiled PHP program.
|
||||
*/
|
||||
for(n = n + 1; n < argc ; ++n) {
|
||||
ph7_vm_config(pVm, PH7_VM_CONFIG_ARGV_ENTRY, argv[n]/* Argument value */);
|
||||
}
|
||||
if(err_report) {
|
||||
/* Report script run-time errors */
|
||||
ph7_vm_config(pVm, PH7_VM_CONFIG_ERR_REPORT);
|
||||
}
|
||||
if(dump_vm) {
|
||||
/* Dump PH7 byte-code instructions */
|
||||
ph7_vm_dump_v2(pVm,
|
||||
|
|
Loading…
Reference in New Issue