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/*
* Symisc PH7: An embeddable bytecode compiler and a virtual machine for the PHP(5) programming language.
* Copyright (C) 2011-2012, Symisc Systems http://ph7.symisc.net/
* Version 2.1.4
* For information on licensing,redistribution of this file,and for a DISCLAIMER OF ALL WARRANTIES
* please contact Symisc Systems via:
* legal@symisc.net
* licensing@symisc.net
* contact@symisc.net
* or visit:
* http://ph7.symisc.net/
*/
/* $SymiscID: api.c v2.0 FreeBSD 2012-08-18 06:54 stable <chm@symisc.net> $ */
#include "ph7int.h"
/* This file implement the public interfaces presented to host-applications.
* Routines in other files are for internal use by PH7 and should not be
* accessed by users of the library.
*/
#define PH7_ENGINE_MAGIC 0xF874BCD7
#define PH7_ENGINE_MISUSE(ENGINE) (ENGINE == 0 || ENGINE->nMagic != PH7_ENGINE_MAGIC)
#define PH7_VM_MISUSE(VM) (VM == 0 || VM->nMagic == PH7_VM_STALE)
/* If another thread have released a working instance,the following macros
* evaluates to true. These macros are only used when the library
* is built with threading support enabled which is not the case in
* the default built.
*/
#define PH7_THRD_ENGINE_RELEASE(ENGINE) (ENGINE->nMagic != PH7_ENGINE_MAGIC)
#define PH7_THRD_VM_RELEASE(VM) (VM->nMagic == PH7_VM_STALE)
/* IMPLEMENTATION: ph7@embedded@symisc 311-12-32 */
/*
* All global variables are collected in the structure named "sMPGlobal".
* That way it is clear in the code when we are using static variable because
* its name start with sMPGlobal.
*/
static struct Global_Data
{
SyMemBackend sAllocator; /* Global low level memory allocator */
#if defined(PH7_ENABLE_THREADS)
const SyMutexMethods *pMutexMethods; /* Mutex methods */
SyMutex *pMutex; /* Global mutex */
sxu32 nThreadingLevel; /* Threading level: 0 == Single threaded/1 == Multi-Threaded
* The threading level can be set using the [ph7_lib_config()]
* interface with a configuration verb set to
* PH7_LIB_CONFIG_THREAD_LEVEL_SINGLE or
* PH7_LIB_CONFIG_THREAD_LEVEL_MULTI
*/
#endif
const ph7_vfs *pVfs; /* Underlying virtual file system */
sxi32 nEngine; /* Total number of active engines */
ph7 *pEngines; /* List of active engine */
sxu32 nMagic; /* Sanity check against library misuse */
}sMPGlobal = {
{0,0,0,0,0,0,0,0,{0}},
#if defined(PH7_ENABLE_THREADS)
0,
0,
0,
#endif
0,
0,
0,
0
};
#define PH7_LIB_MAGIC 0xEA1495BA
#define PH7_LIB_MISUSE (sMPGlobal.nMagic != PH7_LIB_MAGIC)
/*
* Supported threading level.
* These options have meaning only when the library is compiled with multi-threading
* support.That is,the PH7_ENABLE_THREADS compile time directive must be defined
* when PH7 is built.
* PH7_THREAD_LEVEL_SINGLE:
* In this mode,mutexing is disabled and the library can only be used by a single thread.
* PH7_THREAD_LEVEL_MULTI
* In this mode, all mutexes including the recursive mutexes on [ph7] objects
* are enabled so that the application is free to share the same engine
* between different threads at the same time.
*/
#define PH7_THREAD_LEVEL_SINGLE 1
#define PH7_THREAD_LEVEL_MULTI 2
/*
* Configure a running PH7 engine instance.
* return PH7_OK on success.Any other return
* value indicates failure.
* Refer to [ph7_config()].
*/
static sxi32 EngineConfig(ph7 *pEngine,sxi32 nOp,va_list ap)
{
ph7_conf *pConf = &pEngine->xConf;
int rc = PH7_OK;
/* Perform the requested operation */
switch(nOp){
case PH7_CONFIG_ERR_OUTPUT: {
ProcConsumer xConsumer = va_arg(ap,ProcConsumer);
void *pUserData = va_arg(ap,void *);
/* Compile time error consumer routine */
if( xConsumer == 0 ){
rc = PH7_CORRUPT;
break;
}
/* Install the error consumer */
pConf->xErr = xConsumer;
pConf->pErrData = pUserData;
break;
}
case PH7_CONFIG_ERR_LOG:{
/* Extract compile-time error log if any */
const char **pzPtr = va_arg(ap,const char **);
int *pLen = va_arg(ap,int *);
if( pzPtr == 0 ){
rc = PH7_CORRUPT;
break;
}
/* NULL terminate the error-log buffer */
SyBlobNullAppend(&pConf->sErrConsumer);
/* Point to the error-log buffer */
*pzPtr = (const char *)SyBlobData(&pConf->sErrConsumer);
if( pLen ){
if( SyBlobLength(&pConf->sErrConsumer) > 1 /* NULL '\0' terminator */ ){
*pLen = (int)SyBlobLength(&pConf->sErrConsumer);
}else{
*pLen = 0;
}
}
break;
}
case PH7_CONFIG_ERR_ABORT:
/* Reserved for future use */
break;
default:
/* Unknown configuration verb */
rc = PH7_CORRUPT;
break;
} /* Switch() */
return rc;
}
/*
* Configure the PH7 library.
* return PH7_OK on success.Any other return value
* indicates failure.
* Refer to [ph7_lib_config()].
*/
static sxi32 PH7CoreConfigure(sxi32 nOp,va_list ap)
{
int rc = PH7_OK;
switch(nOp){
case PH7_LIB_CONFIG_VFS:{
/* Install a virtual file system */
const ph7_vfs *pVfs = va_arg(ap,const ph7_vfs *);
sMPGlobal.pVfs = pVfs;
break;
}
case PH7_LIB_CONFIG_USER_MALLOC: {
/* Use an alternative low-level memory allocation routines */
const SyMemMethods *pMethods = va_arg(ap,const SyMemMethods *);
/* Save the memory failure callback (if available) */
ProcMemError xMemErr = sMPGlobal.sAllocator.xMemError;
void *pMemErr = sMPGlobal.sAllocator.pUserData;
if( pMethods == 0 ){
/* Use the built-in memory allocation subsystem */
rc = SyMemBackendInit(&sMPGlobal.sAllocator,xMemErr,pMemErr);
}else{
rc = SyMemBackendInitFromOthers(&sMPGlobal.sAllocator,pMethods,xMemErr,pMemErr);
}
break;
}
case PH7_LIB_CONFIG_MEM_ERR_CALLBACK: {
/* Memory failure callback */
ProcMemError xMemErr = va_arg(ap,ProcMemError);
void *pUserData = va_arg(ap,void *);
sMPGlobal.sAllocator.xMemError = xMemErr;
sMPGlobal.sAllocator.pUserData = pUserData;
break;
}
case PH7_LIB_CONFIG_USER_MUTEX: {
#if defined(PH7_ENABLE_THREADS)
/* Use an alternative low-level mutex subsystem */
const SyMutexMethods *pMethods = va_arg(ap,const SyMutexMethods *);
#if defined (UNTRUST)
if( pMethods == 0 ){
rc = PH7_CORRUPT;
}
#endif
/* Sanity check */
if( pMethods->xEnter == 0 || pMethods->xLeave == 0 || pMethods->xNew == 0){
/* At least three criticial callbacks xEnter(),xLeave() and xNew() must be supplied */
rc = PH7_CORRUPT;
break;
}
if( sMPGlobal.pMutexMethods ){
/* Overwrite the previous mutex subsystem */
SyMutexRelease(sMPGlobal.pMutexMethods,sMPGlobal.pMutex);
if( sMPGlobal.pMutexMethods->xGlobalRelease ){
sMPGlobal.pMutexMethods->xGlobalRelease();
}
sMPGlobal.pMutex = 0;
}
/* Initialize and install the new mutex subsystem */
if( pMethods->xGlobalInit ){
rc = pMethods->xGlobalInit();
if ( rc != PH7_OK ){
break;
}
}
/* Create the global mutex */
sMPGlobal.pMutex = pMethods->xNew(SXMUTEX_TYPE_FAST);
if( sMPGlobal.pMutex == 0 ){
/*
* If the supplied mutex subsystem is so sick that we are unable to
* create a single mutex,there is no much we can do here.
*/
if( pMethods->xGlobalRelease ){
pMethods->xGlobalRelease();
}
rc = PH7_CORRUPT;
break;
}
sMPGlobal.pMutexMethods = pMethods;
if( sMPGlobal.nThreadingLevel == 0 ){
/* Set a default threading level */
sMPGlobal.nThreadingLevel = PH7_THREAD_LEVEL_MULTI;
}
#endif
break;
}
case PH7_LIB_CONFIG_THREAD_LEVEL_SINGLE:
#if defined(PH7_ENABLE_THREADS)
/* Single thread mode(Only one thread is allowed to play with the library) */
sMPGlobal.nThreadingLevel = PH7_THREAD_LEVEL_SINGLE;
#endif
break;
case PH7_LIB_CONFIG_THREAD_LEVEL_MULTI:
#if defined(PH7_ENABLE_THREADS)
/* Multi-threading mode (library is thread safe and PH7 engines and virtual machines
* may be shared between multiple threads).
*/
sMPGlobal.nThreadingLevel = PH7_THREAD_LEVEL_MULTI;
#endif
break;
default:
/* Unknown configuration option */
rc = PH7_CORRUPT;
break;
}
return rc;
}
/*
* [CAPIREF: ph7_lib_config()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_lib_config(int nConfigOp,...)
{
va_list ap;
int rc;
if( sMPGlobal.nMagic == PH7_LIB_MAGIC ){
/* Library is already initialized,this operation is forbidden */
return PH7_LOOKED;
}
va_start(ap,nConfigOp);
rc = PH7CoreConfigure(nConfigOp,ap);
va_end(ap);
return rc;
}
/*
* Global library initialization
* Refer to [ph7_lib_init()]
* This routine must be called to initialize the memory allocation subsystem,the mutex
* subsystem prior to doing any serious work with the library.The first thread to call
* this routine does the initialization process and set the magic number so no body later
* can re-initialize the library.If subsequent threads call this routine before the first
* thread have finished the initialization process, then the subsequent threads must block
* until the initialization process is done.
*/
static sxi32 PH7CoreInitialize(void)
{
const ph7_vfs *pVfs; /* Built-in vfs */
#if defined(PH7_ENABLE_THREADS)
const SyMutexMethods *pMutexMethods = 0;
SyMutex *pMaster = 0;
#endif
int rc;
/*
* If the library is already initialized,then a call to this routine
* is a no-op.
*/
if( sMPGlobal.nMagic == PH7_LIB_MAGIC ){
return PH7_OK; /* Already initialized */
}
/* Point to the built-in vfs */
pVfs = PH7_ExportBuiltinVfs();
/* Install it */
ph7_lib_config(PH7_LIB_CONFIG_VFS,pVfs);
#if defined(PH7_ENABLE_THREADS)
if( sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_SINGLE ){
pMutexMethods = sMPGlobal.pMutexMethods;
if( pMutexMethods == 0 ){
/* Use the built-in mutex subsystem */
pMutexMethods = SyMutexExportMethods();
if( pMutexMethods == 0 ){
return PH7_CORRUPT; /* Can't happen */
}
/* Install the mutex subsystem */
rc = ph7_lib_config(PH7_LIB_CONFIG_USER_MUTEX,pMutexMethods);
if( rc != PH7_OK ){
return rc;
}
}
/* Obtain a static mutex so we can initialize the library without calling malloc() */
pMaster = SyMutexNew(pMutexMethods,SXMUTEX_TYPE_STATIC_1);
if( pMaster == 0 ){
return PH7_CORRUPT; /* Can't happen */
}
}
/* Lock the master mutex */
rc = PH7_OK;
SyMutexEnter(pMutexMethods,pMaster); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
if( sMPGlobal.nMagic != PH7_LIB_MAGIC ){
#endif
if( sMPGlobal.sAllocator.pMethods == 0 ){
/* Install a memory subsystem */
rc = ph7_lib_config(PH7_LIB_CONFIG_USER_MALLOC,0); /* zero mean use the built-in memory backend */
if( rc != PH7_OK ){
/* If we are unable to initialize the memory backend,there is no much we can do here.*/
goto End;
}
}
#if defined(PH7_ENABLE_THREADS)
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE ){
/* Protect the memory allocation subsystem */
rc = SyMemBackendMakeThreadSafe(&sMPGlobal.sAllocator,sMPGlobal.pMutexMethods);
if( rc != PH7_OK ){
goto End;
}
}
#endif
/* Our library is initialized,set the magic number */
sMPGlobal.nMagic = PH7_LIB_MAGIC;
rc = PH7_OK;
#if defined(PH7_ENABLE_THREADS)
} /* sMPGlobal.nMagic != PH7_LIB_MAGIC */
#endif
End:
#if defined(PH7_ENABLE_THREADS)
/* Unlock the master mutex */
SyMutexLeave(pMutexMethods,pMaster); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
#endif
return rc;
}
/*
* [CAPIREF: ph7_lib_init()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_lib_init(void)
{
int rc;
rc = PH7CoreInitialize();
return rc;
}
/*
* Release an active PH7 engine and it's associated active virtual machines.
*/
static sxi32 EngineRelease(ph7 *pEngine)
{
ph7_vm *pVm,*pNext;
/* Release all active VM */
pVm = pEngine->pVms;
for(;;){
if( pEngine->iVm <= 0 ){
break;
}
pNext = pVm->pNext;
PH7_VmRelease(pVm);
pVm = pNext;
pEngine->iVm--;
}
/* Set a dummy magic number */
pEngine->nMagic = 0x7635;
/* Release the private memory subsystem */
SyMemBackendRelease(&pEngine->sAllocator);
return PH7_OK;
}
/*
* Release all resources consumed by the library.
* If PH7 is already shut down when this routine
* is invoked then this routine is a harmless no-op.
* Note: This call is not thread safe.
* Refer to [ph7_lib_shutdown()].
*/
static void PH7CoreShutdown(void)
{
ph7 *pEngine,*pNext;
/* Release all active engines first */
pEngine = sMPGlobal.pEngines;
for(;;){
if( sMPGlobal.nEngine < 1 ){
break;
}
pNext = pEngine->pNext;
EngineRelease(pEngine);
pEngine = pNext;
sMPGlobal.nEngine--;
}
#if defined(PH7_ENABLE_THREADS)
/* Release the mutex subsystem */
if( sMPGlobal.pMutexMethods ){
if( sMPGlobal.pMutex ){
SyMutexRelease(sMPGlobal.pMutexMethods,sMPGlobal.pMutex);
sMPGlobal.pMutex = 0;
}
if( sMPGlobal.pMutexMethods->xGlobalRelease ){
sMPGlobal.pMutexMethods->xGlobalRelease();
}
sMPGlobal.pMutexMethods = 0;
}
sMPGlobal.nThreadingLevel = 0;
#endif
if( sMPGlobal.sAllocator.pMethods ){
/* Release the memory backend */
SyMemBackendRelease(&sMPGlobal.sAllocator);
}
sMPGlobal.nMagic = 0x1928;
}
/*
* [CAPIREF: ph7_lib_shutdown()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_lib_shutdown(void)
{
if( sMPGlobal.nMagic != PH7_LIB_MAGIC ){
/* Already shut */
return PH7_OK;
}
PH7CoreShutdown();
return PH7_OK;
}
/*
* [CAPIREF: ph7_lib_is_threadsafe()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_lib_is_threadsafe(void)
{
if( sMPGlobal.nMagic != PH7_LIB_MAGIC ){
return 0;
}
#if defined(PH7_ENABLE_THREADS)
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE ){
/* Muli-threading support is enabled */
return 1;
}else{
/* Single-threading */
return 0;
}
#else
return 0;
#endif
}
/*
* [CAPIREF: ph7_lib_version()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_lib_version(void)
{
return PH7_VERSION;
}
/*
* [CAPIREF: ph7_lib_signature()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_lib_signature(void)
{
return PH7_SIG;
}
/*
* [CAPIREF: ph7_lib_ident()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_lib_ident(void)
{
return PH7_IDENT;
}
/*
* [CAPIREF: ph7_lib_copyright()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_lib_copyright(void)
{
return PH7_COPYRIGHT;
}
/*
* [CAPIREF: ph7_config()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_config(ph7 *pEngine,int nConfigOp,...)
{
va_list ap;
int rc;
if( PH7_ENGINE_MISUSE(pEngine) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
va_start(ap,nConfigOp);
rc = EngineConfig(&(*pEngine),nConfigOp,ap);
va_end(ap);
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_init()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_init(ph7 **ppEngine)
{
ph7 *pEngine;
int rc;
#if defined(UNTRUST)
if( ppEngine == 0 ){
return PH7_CORRUPT;
}
#endif
*ppEngine = 0;
/* One-time automatic library initialization */
rc = PH7CoreInitialize();
if( rc != PH7_OK ){
return rc;
}
/* Allocate a new engine */
pEngine = (ph7 *)SyMemBackendPoolAlloc(&sMPGlobal.sAllocator,sizeof(ph7));
if( pEngine == 0 ){
return PH7_NOMEM;
}
/* Zero the structure */
SyZero(pEngine,sizeof(ph7));
/* Initialize engine fields */
pEngine->nMagic = PH7_ENGINE_MAGIC;
rc = SyMemBackendInitFromParent(&pEngine->sAllocator,&sMPGlobal.sAllocator);
if( rc != PH7_OK ){
goto Release;
}
#if defined(PH7_ENABLE_THREADS)
SyMemBackendDisbaleMutexing(&pEngine->sAllocator);
#endif
/* Default configuration */
SyBlobInit(&pEngine->xConf.sErrConsumer,&pEngine->sAllocator);
/* Install a default compile-time error consumer routine */
ph7_config(pEngine,PH7_CONFIG_ERR_OUTPUT,PH7_VmBlobConsumer,&pEngine->xConf.sErrConsumer);
/* Built-in vfs */
pEngine->pVfs = sMPGlobal.pVfs;
#if defined(PH7_ENABLE_THREADS)
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE ){
/* Associate a recursive mutex with this instance */
pEngine->pMutex = SyMutexNew(sMPGlobal.pMutexMethods,SXMUTEX_TYPE_RECURSIVE);
if( pEngine->pMutex == 0 ){
rc = PH7_NOMEM;
goto Release;
}
}
#endif
/* Link to the list of active engines */
#if defined(PH7_ENABLE_THREADS)
/* Enter the global mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,sMPGlobal.pMutex); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
#endif
MACRO_LD_PUSH(sMPGlobal.pEngines,pEngine);
sMPGlobal.nEngine++;
#if defined(PH7_ENABLE_THREADS)
/* Leave the global mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,sMPGlobal.pMutex); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
#endif
/* Write a pointer to the new instance */
*ppEngine = pEngine;
return PH7_OK;
Release:
SyMemBackendRelease(&pEngine->sAllocator);
SyMemBackendPoolFree(&sMPGlobal.sAllocator,pEngine);
return rc;
}
/*
* [CAPIREF: ph7_release()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_release(ph7 *pEngine)
{
int rc;
if( PH7_ENGINE_MISUSE(pEngine) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Release the engine */
rc = EngineRelease(&(*pEngine));
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
/* Release engine mutex */
SyMutexRelease(sMPGlobal.pMutexMethods,pEngine->pMutex) /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
#if defined(PH7_ENABLE_THREADS)
/* Enter the global mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,sMPGlobal.pMutex); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
#endif
/* Unlink from the list of active engines */
MACRO_LD_REMOVE(sMPGlobal.pEngines,pEngine);
sMPGlobal.nEngine--;
#if defined(PH7_ENABLE_THREADS)
/* Leave the global mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,sMPGlobal.pMutex); /* NO-OP if sMPGlobal.nThreadingLevel == PH7_THREAD_LEVEL_SINGLE */
#endif
/* Release the memory chunk allocated to this engine */
SyMemBackendPoolFree(&sMPGlobal.sAllocator,pEngine);
return rc;
}
/*
* Compile a raw PHP script.
* To execute a PHP code, it must first be compiled into a byte-code program using this routine.
* If something goes wrong [i.e: compile-time error], your error log [i.e: error consumer callback]
* should display the appropriate error message and this function set ppVm to null and return
* an error code that is different from PH7_OK. Otherwise when the script is successfully compiled
* ppVm should hold the PH7 byte-code and it's safe to call [ph7_vm_exec(), ph7_vm_reset(), etc.].
* This API does not actually evaluate the PHP code. It merely compile and prepares the PHP script
* for evaluation.
*/
static sxi32 ProcessScript(
ph7 *pEngine, /* Running PH7 engine */
ph7_vm **ppVm, /* OUT: A pointer to the virtual machine */
SyString *pScript, /* Raw PHP script to compile */
sxi32 iFlags, /* Compile-time flags */
const char *zFilePath /* File path if script come from a file. NULL otherwise */
)
{
ph7_vm *pVm;
int rc;
/* 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;
}
if( zFilePath ){
/* Push processed file path */
PH7_VmPushFilePath(pVm,zFilePath,-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){
sxu32 nErr = pVm->sCodeGen.nErr;
/* Compilation error or null ppVm pointer,release this VM */
SyMemBackendRelease(&pVm->sAllocator);
SyMemBackendPoolFree(&pEngine->sAllocator,pVm);
if( ppVm ){
*ppVm = 0;
}
return nErr > 0 ? PH7_COMPILE_ERR : PH7_OK;
}
/* Prepare the virtual machine for bytecode execution */
rc = PH7_VmMakeReady(pVm);
if( rc != PH7_OK ){
goto Release;
}
/* Install local import path which is the current directory */
ph7_vm_config(pVm,PH7_VM_CONFIG_IMPORT_PATH,"./");
#if defined(PH7_ENABLE_THREADS)
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE ){
/* Associate a recursive mutex with this instance */
pVm->pMutex = SyMutexNew(sMPGlobal.pMutexMethods,SXMUTEX_TYPE_RECURSIVE);
if( pVm->pMutex == 0 ){
goto Release;
}
}
#endif
/* 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:
SyMemBackendRelease(&pVm->sAllocator);
SyMemBackendPoolFree(&pEngine->sAllocator,pVm);
*ppVm = 0;
return PH7_VM_ERR;
}
/*
* [CAPIREF: ph7_compile()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_compile(ph7 *pEngine,const char *zSource,int nLen,ph7_vm **ppOutVm)
{
SyString sScript;
int rc;
if( PH7_ENGINE_MISUSE(pEngine) || zSource == 0){
return PH7_CORRUPT;
}
if( nLen < 0 ){
/* Compute input length automatically */
nLen = (int)SyStrlen(zSource);
}
SyStringInitFromBuf(&sScript,zSource,nLen);
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Compile the script */
rc = ProcessScript(&(*pEngine),ppOutVm,&sScript,0,0);
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
/* Compilation result */
return rc;
}
/*
* [CAPIREF: ph7_compile_v2()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_compile_v2(ph7 *pEngine,const char *zSource,int nLen,ph7_vm **ppOutVm,int iFlags)
{
SyString sScript;
int rc;
if( PH7_ENGINE_MISUSE(pEngine) || zSource == 0){
return PH7_CORRUPT;
}
if( nLen < 0 ){
/* Compute input length automatically */
nLen = (int)SyStrlen(zSource);
}
SyStringInitFromBuf(&sScript,zSource,nLen);
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Compile the script */
rc = ProcessScript(&(*pEngine),ppOutVm,&sScript,iFlags,0);
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
/* Compilation result */
return rc;
}
/*
* [CAPIREF: ph7_compile_file()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
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;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/*
* Check if the underlying vfs implement the memory map
* [i.e: mmap() under UNIX/MapViewOfFile() under windows] function.
*/
pVfs = pEngine->pVfs;
if( pVfs == 0 || pVfs->xMmap == 0 ){
/* Memory map routine not implemented */
rc = PH7_IO_ERR;
}else{
void *pMapView = 0; /* cc warning */
ph7_int64 nSize = 0; /* cc warning */
SyString sScript;
/* Try to get a memory view of the whole file */
rc = pVfs->xMmap(zFilePath,&pMapView,&nSize);
if( rc != PH7_OK ){
/* Assume an IO error */
rc = PH7_IO_ERR;
}else{
/* Compile the file */
SyStringInitFromBuf(&sScript,pMapView,nSize);
rc = ProcessScript(&(*pEngine),ppOutVm,&sScript,iFlags,zFilePath);
/* Release the memory view of the whole file */
if( pVfs->xUnmap ){
pVfs->xUnmap(pMapView,nSize);
}
}
}
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
/* Compilation result */
return rc;
}
/*
* [CAPIREF: ph7_vm_dump_v2()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_vm_dump_v2(ph7_vm *pVm,int (*xConsumer)(const void *,unsigned int,void *),void *pUserData)
{
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#ifdef UNTRUST
if( xConsumer == 0 ){
return PH7_CORRUPT;
}
#endif
/* Dump VM instructions */
rc = PH7_VmDump(&(*pVm),xConsumer,pUserData);
return rc;
}
/*
* [CAPIREF: ph7_vm_config()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_vm_config(ph7_vm *pVm,int iConfigOp,...)
{
va_list ap;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Confiugure the virtual machine */
va_start(ap,iConfigOp);
rc = PH7_VmConfigure(&(*pVm),iConfigOp,ap);
va_end(ap);
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_vm_exec()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_vm_exec(ph7_vm *pVm,int *pExitStatus)
{
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Execute PH7 byte-code */
rc = PH7_VmByteCodeExec(&(*pVm));
if( pExitStatus ){
/* Exit status */
*pExitStatus = pVm->iExitStatus;
}
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
/* Execution result */
return rc;
}
/*
* [CAPIREF: ph7_vm_reset()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_vm_reset(ph7_vm *pVm)
{
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
rc = PH7_VmReset(&(*pVm));
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_vm_release()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_vm_release(ph7_vm *pVm)
{
ph7 *pEngine;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
pEngine = pVm->pEngine;
rc = PH7_VmRelease(&(*pVm));
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
/* free VM mutex */
SyMutexRelease(sMPGlobal.pMutexMethods,pVm->pMutex);
#endif
if( rc == PH7_OK ){
/* Unlink from the list of active VM */
#if defined(PH7_ENABLE_THREADS)
/* Acquire engine mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_ENGINE_RELEASE(pEngine) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
MACRO_LD_REMOVE(pEngine->pVms,pVm);
pEngine->iVm--;
/* Release the memory chunk allocated to this VM */
SyMemBackendPoolFree(&pEngine->sAllocator,pVm);
#if defined(PH7_ENABLE_THREADS)
/* Leave engine mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pEngine->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
}
return rc;
}
/*
* [CAPIREF: ph7_create_function()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_create_function(ph7_vm *pVm,const char *zName,int (*xFunc)(ph7_context *,int,ph7_value **),void *pUserData)
{
SyString sName;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
SyStringInitFromBuf(&sName,zName,SyStrlen(zName));
/* Remove leading and trailing white spaces */
SyStringFullTrim(&sName);
/* Ticket 1433-003: NULL values are not allowed */
if( sName.nByte < 1 || xFunc == 0 ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Install the foreign function */
rc = PH7_VmInstallForeignFunction(&(*pVm),&sName,xFunc,pUserData);
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_delete_function()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_delete_function(ph7_vm *pVm,const char *zName)
{
ph7_user_func *pFunc = 0;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Perform the deletion */
rc = SyHashDeleteEntry(&pVm->hHostFunction,(const void *)zName,SyStrlen(zName),(void **)&pFunc);
if( rc == PH7_OK ){
/* Release internal fields */
SySetRelease(&pFunc->aAux);
SyMemBackendFree(&pVm->sAllocator,(void *)SyStringData(&pFunc->sName));
SyMemBackendPoolFree(&pVm->sAllocator,pFunc);
}
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_create_constant()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_create_constant(ph7_vm *pVm,const char *zName,void (*xExpand)(ph7_value *,void *),void *pUserData)
{
SyString sName;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
SyStringInitFromBuf(&sName,zName,SyStrlen(zName));
/* Remove leading and trailing white spaces */
SyStringFullTrim(&sName);
if( sName.nByte < 1 ){
/* Empty constant name */
return PH7_CORRUPT;
}
/* TICKET 1433-003: NULL pointer harmless operation */
if( xExpand == 0 ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Perform the registration */
rc = PH7_VmRegisterConstant(&(*pVm),&sName,xExpand,pUserData);
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_delete_constant()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_delete_constant(ph7_vm *pVm,const char *zName)
{
ph7_constant *pCons;
int rc;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
#if defined(PH7_ENABLE_THREADS)
/* Acquire VM mutex */
SyMutexEnter(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
if( sMPGlobal.nThreadingLevel > PH7_THREAD_LEVEL_SINGLE &&
PH7_THRD_VM_RELEASE(pVm) ){
return PH7_ABORT; /* Another thread have released this instance */
}
#endif
/* Query the constant hashtable */
rc = SyHashDeleteEntry(&pVm->hConstant,(const void *)zName,SyStrlen(zName),(void **)&pCons);
if( rc == PH7_OK ){
/* Perform the deletion */
SyMemBackendFree(&pVm->sAllocator,(void *)SyStringData(&pCons->sName));
SyMemBackendPoolFree(&pVm->sAllocator,pCons);
}
#if defined(PH7_ENABLE_THREADS)
/* Leave VM mutex */
SyMutexLeave(sMPGlobal.pMutexMethods,pVm->pMutex); /* NO-OP if sMPGlobal.nThreadingLevel != PH7_THREAD_LEVEL_MULTI */
#endif
return rc;
}
/*
* [CAPIREF: ph7_new_scalar()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_new_scalar(ph7_vm *pVm)
{
ph7_value *pObj;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return 0;
}
/* Allocate a new scalar variable */
pObj = (ph7_value *)SyMemBackendPoolAlloc(&pVm->sAllocator,sizeof(ph7_value));
if( pObj == 0 ){
return 0;
}
/* Nullify the new scalar */
PH7_MemObjInit(pVm,pObj);
return pObj;
}
/*
* [CAPIREF: ph7_new_array()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_new_array(ph7_vm *pVm)
{
ph7_hashmap *pMap;
ph7_value *pObj;
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return 0;
}
/* Create a new hashmap first */
pMap = PH7_NewHashmap(&(*pVm),0,0);
if( pMap == 0 ){
return 0;
}
/* Associate a new ph7_value with this hashmap */
pObj = (ph7_value *)SyMemBackendPoolAlloc(&pVm->sAllocator,sizeof(ph7_value));
if( pObj == 0 ){
PH7_HashmapRelease(pMap,TRUE);
return 0;
}
PH7_MemObjInitFromArray(pVm,pObj,pMap);
return pObj;
}
/*
* [CAPIREF: ph7_release_value()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_release_value(ph7_vm *pVm,ph7_value *pValue)
{
/* Ticket 1433-002: NULL VM is harmless operation */
if ( PH7_VM_MISUSE(pVm) ){
return PH7_CORRUPT;
}
if( pValue ){
/* Release the value */
PH7_MemObjRelease(pValue);
SyMemBackendPoolFree(&pVm->sAllocator,pValue);
}
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_to_int()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_to_int(ph7_value *pValue)
{
int rc;
rc = PH7_MemObjToInteger(pValue);
if( rc != PH7_OK ){
return 0;
}
return (int)pValue->x.iVal;
}
/*
* [CAPIREF: ph7_value_to_bool()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_to_bool(ph7_value *pValue)
{
int rc;
rc = PH7_MemObjToBool(pValue);
if( rc != PH7_OK ){
return 0;
}
return (int)pValue->x.iVal;
}
/*
* [CAPIREF: ph7_value_to_int64()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_int64 ph7_value_to_int64(ph7_value *pValue)
{
int rc;
rc = PH7_MemObjToInteger(pValue);
if( rc != PH7_OK ){
return 0;
}
return pValue->x.iVal;
}
/*
* [CAPIREF: ph7_value_to_double()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
double ph7_value_to_double(ph7_value *pValue)
{
int rc;
rc = PH7_MemObjToReal(pValue);
if( rc != PH7_OK ){
return (double)0;
}
return (double)pValue->rVal;
}
/*
* [CAPIREF: ph7_value_to_string()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_value_to_string(ph7_value *pValue,int *pLen)
{
PH7_MemObjToString(pValue);
if( SyBlobLength(&pValue->sBlob) > 0 ){
SyBlobNullAppend(&pValue->sBlob);
if( pLen ){
*pLen = (int)SyBlobLength(&pValue->sBlob);
}
return (const char *)SyBlobData(&pValue->sBlob);
}else{
/* Return the empty string */
if( pLen ){
*pLen = 0;
}
return "";
}
}
/*
* [CAPIREF: ph7_value_to_resource()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_value_to_resource(ph7_value *pValue)
{
if( (pValue->iFlags & MEMOBJ_RES) == 0 ){
/* Not a resource,return NULL */
return 0;
}
return pValue->x.pOther;
}
/*
* [CAPIREF: ph7_value_compare()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_compare(ph7_value *pLeft,ph7_value *pRight,int bStrict)
{
int rc;
if( pLeft == 0 || pRight == 0 ){
/* TICKET 1433-24: NULL values is harmless operation */
return 1;
}
/* Perform the comparison */
rc = PH7_MemObjCmp(&(*pLeft),&(*pRight),bStrict,0);
/* Comparison result */
return rc;
}
/*
* [CAPIREF: ph7_result_int()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_int(ph7_context *pCtx,int iValue)
{
return ph7_value_int(pCtx->pRet,iValue);
}
/*
* [CAPIREF: ph7_result_int64()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_int64(ph7_context *pCtx,ph7_int64 iValue)
{
return ph7_value_int64(pCtx->pRet,iValue);
}
/*
* [CAPIREF: ph7_result_bool()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_bool(ph7_context *pCtx,int iBool)
{
return ph7_value_bool(pCtx->pRet,iBool);
}
/*
* [CAPIREF: ph7_result_double()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_double(ph7_context *pCtx,double Value)
{
return ph7_value_double(pCtx->pRet,Value);
}
/*
* [CAPIREF: ph7_result_null()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_null(ph7_context *pCtx)
{
/* Invalidate any prior representation and set the NULL flag */
PH7_MemObjRelease(pCtx->pRet);
return PH7_OK;
}
/*
* [CAPIREF: ph7_result_string()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_string(ph7_context *pCtx,const char *zString,int nLen)
{
return ph7_value_string(pCtx->pRet,zString,nLen);
}
/*
* [CAPIREF: ph7_result_string_format()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_string_format(ph7_context *pCtx,const char *zFormat,...)
{
ph7_value *p;
va_list ap;
int rc;
p = pCtx->pRet;
if( (p->iFlags & MEMOBJ_STRING) == 0 ){
/* Invalidate any prior representation */
PH7_MemObjRelease(p);
MemObjSetType(p,MEMOBJ_STRING);
}
/* Format the given string */
va_start(ap,zFormat);
rc = SyBlobFormatAp(&p->sBlob,zFormat,ap);
va_end(ap);
return rc;
}
/*
* [CAPIREF: ph7_result_value()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_value(ph7_context *pCtx,ph7_value *pValue)
{
int rc = PH7_OK;
if( pValue == 0 ){
PH7_MemObjRelease(pCtx->pRet);
}else{
rc = PH7_MemObjStore(pValue,pCtx->pRet);
}
return rc;
}
/*
* [CAPIREF: ph7_result_resource()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_result_resource(ph7_context *pCtx,void *pUserData)
{
return ph7_value_resource(pCtx->pRet,pUserData);
}
/*
* [CAPIREF: ph7_context_new_scalar()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_context_new_scalar(ph7_context *pCtx)
{
ph7_value *pVal;
pVal = ph7_new_scalar(pCtx->pVm);
if( pVal ){
/* Record value address so it can be freed automatically
* when the calling function returns.
*/
SySetPut(&pCtx->sVar,(const void *)&pVal);
}
return pVal;
}
/*
* [CAPIREF: ph7_context_new_array()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_context_new_array(ph7_context *pCtx)
{
ph7_value *pVal;
pVal = ph7_new_array(pCtx->pVm);
if( pVal ){
/* Record value address so it can be freed automatically
* when the calling function returns.
*/
SySetPut(&pCtx->sVar,(const void *)&pVal);
}
return pVal;
}
/*
* [CAPIREF: ph7_context_release_value()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void ph7_context_release_value(ph7_context *pCtx,ph7_value *pValue)
{
PH7_VmReleaseContextValue(&(*pCtx),pValue);
}
/*
* [CAPIREF: ph7_context_alloc_chunk()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_context_alloc_chunk(ph7_context *pCtx,unsigned int nByte,int ZeroChunk,int AutoRelease)
{
void *pChunk;
pChunk = SyMemBackendAlloc(&pCtx->pVm->sAllocator,nByte);
if( pChunk ){
if( ZeroChunk ){
/* Zero the memory chunk */
SyZero(pChunk,nByte);
}
if( AutoRelease ){
ph7_aux_data sAux;
/* Track the chunk so that it can be released automatically
* upon this context is destroyed.
*/
sAux.pAuxData = pChunk;
SySetPut(&pCtx->sChunk,(const void *)&sAux);
}
}
return pChunk;
}
/*
* Check if the given chunk address is registered in the call context
* chunk container.
* Return TRUE if registered.FALSE otherwise.
* Refer to [ph7_context_realloc_chunk(),ph7_context_free_chunk()].
*/
static ph7_aux_data * ContextFindChunk(ph7_context *pCtx,void *pChunk)
{
ph7_aux_data *aAux,*pAux;
sxu32 n;
if( SySetUsed(&pCtx->sChunk) < 1 ){
/* Don't bother processing,the container is empty */
return 0;
}
/* Perform the lookup */
aAux = (ph7_aux_data *)SySetBasePtr(&pCtx->sChunk);
for( n = 0; n < SySetUsed(&pCtx->sChunk) ; ++n ){
pAux = &aAux[n];
if( pAux->pAuxData == pChunk ){
/* Chunk found */
return pAux;
}
}
/* No such allocated chunk */
return 0;
}
/*
* [CAPIREF: ph7_context_realloc_chunk()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_context_realloc_chunk(ph7_context *pCtx,void *pChunk,unsigned int nByte)
{
ph7_aux_data *pAux;
void *pNew;
pNew = SyMemBackendRealloc(&pCtx->pVm->sAllocator,pChunk,nByte);
if( pNew ){
pAux = ContextFindChunk(pCtx,pChunk);
if( pAux ){
pAux->pAuxData = pNew;
}
}
return pNew;
}
/*
* [CAPIREF: ph7_context_free_chunk()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void ph7_context_free_chunk(ph7_context *pCtx,void *pChunk)
{
ph7_aux_data *pAux;
if( pChunk == 0 ){
/* TICKET-1433-93: NULL chunk is a harmless operation */
return;
}
pAux = ContextFindChunk(pCtx,pChunk);
if( pAux ){
/* Mark as destroyed */
pAux->pAuxData = 0;
}
SyMemBackendFree(&pCtx->pVm->sAllocator,pChunk);
}
/*
* [CAPIREF: ph7_array_fetch()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_array_fetch(ph7_value *pArray,const char *zKey,int nByte)
{
ph7_hashmap_node *pNode;
ph7_value *pValue;
ph7_value skey;
int rc;
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return 0;
}
if( nByte < 0 ){
nByte = (int)SyStrlen(zKey);
}
/* Convert the key to a ph7_value */
PH7_MemObjInit(pArray->pVm,&skey);
PH7_MemObjStringAppend(&skey,zKey,(sxu32)nByte);
/* Perform the lookup */
rc = PH7_HashmapLookup((ph7_hashmap *)pArray->x.pOther,&skey,&pNode);
PH7_MemObjRelease(&skey);
if( rc != PH7_OK ){
/* No such entry */
return 0;
}
/* Extract the target value */
pValue = (ph7_value *)SySetAt(&pArray->pVm->aMemObj,pNode->nValIdx);
return pValue;
}
/*
* [CAPIREF: ph7_array_walk()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_array_walk(ph7_value *pArray,int (*xWalk)(ph7_value *pValue,ph7_value *,void *),void *pUserData)
{
int rc;
if( xWalk == 0 ){
return PH7_CORRUPT;
}
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return PH7_CORRUPT;
}
/* Start the walk process */
rc = PH7_HashmapWalk((ph7_hashmap *)pArray->x.pOther,xWalk,pUserData);
return rc != PH7_OK ? PH7_ABORT /* User callback request an operation abort*/ : PH7_OK;
}
/*
* [CAPIREF: ph7_array_add_elem()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_array_add_elem(ph7_value *pArray,ph7_value *pKey,ph7_value *pValue)
{
int rc;
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return PH7_CORRUPT;
}
/* Perform the insertion */
rc = PH7_HashmapInsert((ph7_hashmap *)pArray->x.pOther,&(*pKey),&(*pValue));
return rc;
}
/*
* [CAPIREF: ph7_array_add_strkey_elem()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_array_add_strkey_elem(ph7_value *pArray,const char *zKey,ph7_value *pValue)
{
int rc;
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return PH7_CORRUPT;
}
/* Perform the insertion */
if( SX_EMPTY_STR(zKey) ){
/* Empty key,assign an automatic index */
rc = PH7_HashmapInsert((ph7_hashmap *)pArray->x.pOther,0,&(*pValue));
}else{
ph7_value sKey;
PH7_MemObjInitFromString(pArray->pVm,&sKey,0);
PH7_MemObjStringAppend(&sKey,zKey,(sxu32)SyStrlen(zKey));
rc = PH7_HashmapInsert((ph7_hashmap *)pArray->x.pOther,&sKey,&(*pValue));
PH7_MemObjRelease(&sKey);
}
return rc;
}
/*
* [CAPIREF: ph7_array_add_intkey_elem()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_array_add_intkey_elem(ph7_value *pArray,int iKey,ph7_value *pValue)
{
ph7_value sKey;
int rc;
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return PH7_CORRUPT;
}
PH7_MemObjInitFromInt(pArray->pVm,&sKey,iKey);
/* Perform the insertion */
rc = PH7_HashmapInsert((ph7_hashmap *)pArray->x.pOther,&sKey,&(*pValue));
PH7_MemObjRelease(&sKey);
return rc;
}
/*
* [CAPIREF: ph7_array_count()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
unsigned int ph7_array_count(ph7_value *pArray)
{
ph7_hashmap *pMap;
/* Make sure we are dealing with a valid hashmap */
if( (pArray->iFlags & MEMOBJ_HASHMAP) == 0 ){
return 0;
}
/* Point to the internal representation of the hashmap */
pMap = (ph7_hashmap *)pArray->x.pOther;
return pMap->nEntry;
}
/*
* [CAPIREF: ph7_object_walk()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_object_walk(ph7_value *pObject,int (*xWalk)(const char *,ph7_value *,void *),void *pUserData)
{
int rc;
if( xWalk == 0 ){
return PH7_CORRUPT;
}
/* Make sure we are dealing with a valid class instance */
if( (pObject->iFlags & MEMOBJ_OBJ) == 0 ){
return PH7_CORRUPT;
}
/* Start the walk process */
rc = PH7_ClassInstanceWalk((ph7_class_instance *)pObject->x.pOther,xWalk,pUserData);
return rc != PH7_OK ? PH7_ABORT /* User callback request an operation abort*/ : PH7_OK;
}
/*
* [CAPIREF: ph7_object_fetch_attr()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
ph7_value * ph7_object_fetch_attr(ph7_value *pObject,const char *zAttr)
{
ph7_value *pValue;
SyString sAttr;
/* Make sure we are dealing with a valid class instance */
if( (pObject->iFlags & MEMOBJ_OBJ) == 0 || zAttr == 0 ){
return 0;
}
SyStringInitFromBuf(&sAttr,zAttr,SyStrlen(zAttr));
/* Extract the attribute value if available.
*/
pValue = PH7_ClassInstanceFetchAttr((ph7_class_instance *)pObject->x.pOther,&sAttr);
return pValue;
}
/*
* [CAPIREF: ph7_object_get_class_name()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_object_get_class_name(ph7_value *pObject,int *pLength)
{
ph7_class *pClass;
if( pLength ){
*pLength = 0;
}
/* Make sure we are dealing with a valid class instance */
if( (pObject->iFlags & MEMOBJ_OBJ) == 0 ){
return 0;
}
/* Point to the class */
pClass = ((ph7_class_instance *)pObject->x.pOther)->pClass;
/* Return the class name */
if( pLength ){
*pLength = (int)SyStringLength(&pClass->sName);
}
return SyStringData(&pClass->sName);
}
/*
* [CAPIREF: ph7_context_output()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_output(ph7_context *pCtx,const char *zString,int nLen)
{
SyString sData;
int rc;
if( nLen < 0 ){
nLen = (int)SyStrlen(zString);
}
SyStringInitFromBuf(&sData,zString,nLen);
rc = PH7_VmOutputConsume(pCtx->pVm,&sData);
return rc;
}
/*
* [CAPIREF: ph7_context_output_format()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_output_format(ph7_context *pCtx,const char *zFormat,...)
{
va_list ap;
int rc;
va_start(ap,zFormat);
rc = PH7_VmOutputConsumeAp(pCtx->pVm,zFormat,ap);
va_end(ap);
return rc;
}
/*
* [CAPIREF: ph7_context_throw_error()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_throw_error(ph7_context *pCtx,int iErr,const char *zErr)
{
int rc = PH7_OK;
if( zErr ){
rc = PH7_VmThrowError(pCtx->pVm,&pCtx->pFunc->sName,iErr,zErr);
}
return rc;
}
/*
* [CAPIREF: ph7_context_throw_error_format()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_throw_error_format(ph7_context *pCtx,int iErr,const char *zFormat,...)
{
va_list ap;
int rc;
if( zFormat == 0){
return PH7_OK;
}
va_start(ap,zFormat);
rc = PH7_VmThrowErrorAp(pCtx->pVm,&pCtx->pFunc->sName,iErr,zFormat,ap);
va_end(ap);
return rc;
}
/*
* [CAPIREF: ph7_context_random_num()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
unsigned int ph7_context_random_num(ph7_context *pCtx)
{
sxu32 n;
n = PH7_VmRandomNum(pCtx->pVm);
return n;
}
/*
* [CAPIREF: ph7_context_random_string()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_random_string(ph7_context *pCtx,char *zBuf,int nBuflen)
{
if( nBuflen < 3 ){
return PH7_CORRUPT;
}
PH7_VmRandomString(pCtx->pVm,zBuf,nBuflen);
return PH7_OK;
}
/*
* IMP-12-07-2012 02:10 Experimantal public API.
*
* ph7_vm * ph7_context_get_vm(ph7_context *pCtx)
* {
* return pCtx->pVm;
* }
*/
/*
* [CAPIREF: ph7_context_user_data()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_context_user_data(ph7_context *pCtx)
{
return pCtx->pFunc->pUserData;
}
/*
* [CAPIREF: ph7_context_push_aux_data()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_context_push_aux_data(ph7_context *pCtx,void *pUserData)
{
ph7_aux_data sAux;
int rc;
sAux.pAuxData = pUserData;
rc = SySetPut(&pCtx->pFunc->aAux,(const void *)&sAux);
return rc;
}
/*
* [CAPIREF: ph7_context_peek_aux_data()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_context_peek_aux_data(ph7_context *pCtx)
{
ph7_aux_data *pAux;
pAux = (ph7_aux_data *)SySetPeek(&pCtx->pFunc->aAux);
return pAux ? pAux->pAuxData : 0;
}
/*
* [CAPIREF: ph7_context_pop_aux_data()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
void * ph7_context_pop_aux_data(ph7_context *pCtx)
{
ph7_aux_data *pAux;
pAux = (ph7_aux_data *)SySetPop(&pCtx->pFunc->aAux);
return pAux ? pAux->pAuxData : 0;
}
/*
* [CAPIREF: ph7_context_result_buf_length()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
unsigned int ph7_context_result_buf_length(ph7_context *pCtx)
{
return SyBlobLength(&pCtx->pRet->sBlob);
}
/*
* [CAPIREF: ph7_function_name()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
const char * ph7_function_name(ph7_context *pCtx)
{
SyString *pName;
pName = &pCtx->pFunc->sName;
return pName->zString;
}
/*
* [CAPIREF: ph7_value_int()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_int(ph7_value *pVal,int iValue)
{
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
pVal->x.iVal = (ph7_int64)iValue;
MemObjSetType(pVal,MEMOBJ_INT);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_int64()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_int64(ph7_value *pVal,ph7_int64 iValue)
{
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
pVal->x.iVal = iValue;
MemObjSetType(pVal,MEMOBJ_INT);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_bool()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_bool(ph7_value *pVal,int iBool)
{
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
pVal->x.iVal = iBool ? 1 : 0;
MemObjSetType(pVal,MEMOBJ_BOOL);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_null()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_null(ph7_value *pVal)
{
/* Invalidate any prior representation and set the NULL flag */
PH7_MemObjRelease(pVal);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_double()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_double(ph7_value *pVal,double Value)
{
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
pVal->rVal = (ph7_real)Value;
MemObjSetType(pVal,MEMOBJ_REAL);
/* Try to get an integer representation also */
PH7_MemObjTryInteger(pVal);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_string()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_string(ph7_value *pVal,const char *zString,int nLen)
{
if((pVal->iFlags & MEMOBJ_STRING) == 0 ){
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
MemObjSetType(pVal,MEMOBJ_STRING);
}
if( zString ){
if( nLen < 0 ){
/* Compute length automatically */
nLen = (int)SyStrlen(zString);
}
SyBlobAppend(&pVal->sBlob,(const void *)zString,(sxu32)nLen);
}
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_string_format()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_string_format(ph7_value *pVal,const char *zFormat,...)
{
va_list ap;
int rc;
if((pVal->iFlags & MEMOBJ_STRING) == 0 ){
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
MemObjSetType(pVal,MEMOBJ_STRING);
}
va_start(ap,zFormat);
rc = SyBlobFormatAp(&pVal->sBlob,zFormat,ap);
va_end(ap);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_reset_string_cursor()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_reset_string_cursor(ph7_value *pVal)
{
/* Reset the string cursor */
SyBlobReset(&pVal->sBlob);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_resource()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_resource(ph7_value *pVal,void *pUserData)
{
/* Invalidate any prior representation */
PH7_MemObjRelease(pVal);
/* Reflect the new type */
pVal->x.pOther = pUserData;
MemObjSetType(pVal,MEMOBJ_RES);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_release()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_release(ph7_value *pVal)
{
PH7_MemObjRelease(pVal);
return PH7_OK;
}
/*
* [CAPIREF: ph7_value_is_int()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_int(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_INT) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_float()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_float(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_REAL) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_bool()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_bool(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_BOOL) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_string()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_string(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_STRING) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_null()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_null(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_NULL) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_numeric()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_numeric(ph7_value *pVal)
{
int rc;
rc = PH7_MemObjIsNumeric(pVal);
return rc;
}
/*
* [CAPIREF: ph7_value_is_callable()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_callable(ph7_value *pVal)
{
int rc;
rc = PH7_VmIsCallable(pVal->pVm,pVal,FALSE);
return rc;
}
/*
* [CAPIREF: ph7_value_is_scalar()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_scalar(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_SCALAR) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_array()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_array(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_HASHMAP) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_object()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_object(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_OBJ) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_resource()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_resource(ph7_value *pVal)
{
return (pVal->iFlags & MEMOBJ_RES) ? TRUE : FALSE;
}
/*
* [CAPIREF: ph7_value_is_empty()]
* Please refer to the official documentation for function purpose and expected parameters.
*/
int ph7_value_is_empty(ph7_value *pVal)
{
int rc;
rc = PH7_MemObjIsEmpty(pVal);
return rc;
}