Move structure definitions to header.
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97
engine/vm.c
97
engine/vm.c
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@ -37,103 +37,6 @@
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* functions that need access to the underlying virtual machine details such as [die()],
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* [func_get_args()],[call_user_func()],[ob_start()] and many more are implemented here.
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*/
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/*
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* Each active virtual machine frame is represented by an instance
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* of the following structure.
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* VM Frame hold local variables and other stuff related to function call.
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*/
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struct VmFrame {
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VmFrame *pParent; /* Parent frame or NULL if global scope */
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void *pUserData; /* Upper layer private data associated with this frame */
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ph7_class_instance *pThis; /* Current class instance [i.e: the '$this' variable].NULL otherwise */
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SySet sLocal; /* Local variables container (VmSlot instance) */
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ph7_vm *pVm; /* VM that own this frame */
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SyHash hVar; /* Variable hashtable for fast lookup */
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SySet sArg; /* Function arguments container */
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SySet sRef; /* Local reference table (VmSlot instance) */
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sxi32 iFlags; /* Frame configuration flags (See below)*/
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sxu32 iExceptionJump; /* Exception jump destination */
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};
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#define VM_FRAME_EXCEPTION 0x01 /* Special Exception frame */
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#define VM_FRAME_THROW 0x02 /* An exception was thrown */
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#define VM_FRAME_CATCH 0x04 /* Catch frame */
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/*
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* When a user defined variable is released (via manual unset($x) or garbage collected)
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* memory object index is stored in an instance of the following structure and put
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* in the free object table so that it can be reused again without allocating
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* a new memory object.
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*/
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typedef struct VmSlot VmSlot;
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struct VmSlot {
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sxu32 nIdx; /* Index in pVm->aMemObj[] */
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void *pUserData; /* Upper-layer private data */
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};
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/*
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* An entry in the reference table is represented by an instance of the
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* following table.
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* The implementation of the reference mechanism in the PH7 engine
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* differ greatly from the one used by the zend engine. That is,
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* the reference implementation is consistent,solid and it's
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* behavior resemble the C++ reference mechanism.
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* Refer to the official for more information on this powerful
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* extension.
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*/
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struct VmRefObj {
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SySet aReference; /* Table of references to this memory object */
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SySet aArrEntries; /* Foreign hashmap entries [i.e: array(&$a) ] */
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sxu32 nIdx; /* Referenced object index */
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sxi32 iFlags; /* Configuration flags */
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VmRefObj *pNextCollide, *pPrevCollide; /* Collision link */
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VmRefObj *pNext, *pPrev; /* List of all referenced objects */
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};
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#define VM_REF_IDX_KEEP 0x001 /* Do not restore the memory object to the free list */
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/*
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* Output control buffer entry.
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* Refer to the implementation of [ob_start()] for more information.
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*/
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typedef struct VmObEntry VmObEntry;
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struct VmObEntry {
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ph7_value sCallback; /* User defined callback */
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SyBlob sOB; /* Output buffer consumer */
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};
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/*
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* Information about each module library (loaded using [import()] )
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* is stored in an instance of the following structure.
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*/
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typedef struct VmModule VmModule;
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struct VmModule {
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#ifdef __WINNT__
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HINSTANCE pHandle; /* Module handler under Windows */
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#else
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void *pHandle; /* Module handler under Unix-like OS */
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#endif
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SyString sName; /* Module name */
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SyString sFile; /* Module library file */
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SyString sDesc; /* Module short description */
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ph7_real fVer; /* Module version */
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};
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/*
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* Each installed class autoload callback (registered using [register_autoload_handler()] )
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* is stored in an instance of the following structure.
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*/
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typedef struct VmAutoLoadCB VmAutoLoadCB;
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struct VmAutoLoadCB {
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ph7_value sCallback; /* autoload callback */
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ph7_value aArg[1]; /* Callback argument (should really take just a class name */
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};
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/*
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* Each installed shutdown callback (registered using [register_shutdown_function()] )
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* is stored in an instance of the following structure.
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* Refer to the implementation of [register_shutdown_function(()] for more information.
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*/
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typedef struct VmShutdownCB VmShutdownCB;
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struct VmShutdownCB {
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ph7_value sCallback; /* Shutdown callback */
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ph7_value aArg[10]; /* Callback arguments (10 maximum arguments) */
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int nArg; /* Total number of given arguments */
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};
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/* Uncaught exception code value */
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#define PH7_EXCEPTION -255
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/*
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* Each parsed URI is recorded and stored in an instance of the following structure.
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* This structure and it's related routines are taken verbatim from the xHT project
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@ -1257,6 +1257,103 @@ struct ph7_vm {
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ph7_vm *pNext, *pPrev; /* List of active VM's */
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sxu32 nMagic; /* Sanity check against misuse */
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};
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/*
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* Each active virtual machine frame is represented by an instance of the following
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* structure. VM Frame hold local variables and other stuff related to function call.
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*/
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struct VmFrame {
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VmFrame *pParent; /* Parent frame or NULL if global scope */
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void *pUserData; /* Upper layer private data associated with this frame */
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ph7_class_instance *pThis; /* Current class instance [i.e: the '$this' variable].NULL otherwise */
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SySet sLocal; /* Local variables container (VmSlot instance) */
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ph7_vm *pVm; /* VM that own this frame */
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SyHash hVar; /* Variable hashtable for fast lookup */
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SySet sArg; /* Function arguments container */
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SySet sRef; /* Local reference table (VmSlot instance) */
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sxi32 iFlags; /* Frame configuration flags (See below)*/
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sxu32 iExceptionJump; /* Exception jump destination */
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};
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#define VM_FRAME_EXCEPTION 0x01 /* Special Exception frame */
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#define VM_FRAME_THROW 0x02 /* An exception was thrown */
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#define VM_FRAME_CATCH 0x04 /* Catch frame */
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/*
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* When a user defined variable is released (via manual unset($x) or garbage collected)
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* memory object index is stored in an instance of the following structure and put
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* in the free object table so that it can be reused again without allocating
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* a new memory object.
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*/
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typedef struct VmSlot VmSlot;
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struct VmSlot {
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sxu32 nIdx; /* Index in pVm->aMemObj[] */
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void *pUserData; /* Upper-layer private data */
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};
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/*
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* An entry in the reference table is represented by an instance of the
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* following table.
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* The implementation of the reference mechanism in the PH7 engine
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* differ greatly from the one used by the zend engine. That is,
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* the reference implementation is consistent,solid and it's
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* behavior resemble the C++ reference mechanism.
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* Refer to the official for more information on this powerful
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* extension.
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*/
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struct VmRefObj {
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SySet aReference; /* Table of references to this memory object */
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SySet aArrEntries; /* Foreign hashmap entries [i.e: array(&$a) ] */
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sxu32 nIdx; /* Referenced object index */
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sxi32 iFlags; /* Configuration flags */
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VmRefObj *pNextCollide, *pPrevCollide; /* Collision link */
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VmRefObj *pNext, *pPrev; /* List of all referenced objects */
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};
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#define VM_REF_IDX_KEEP 0x001 /* Do not restore the memory object to the free list */
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/*
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* Output control buffer entry.
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* Refer to the implementation of [ob_start()] for more information.
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*/
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typedef struct VmObEntry VmObEntry;
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struct VmObEntry {
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ph7_value sCallback; /* User defined callback */
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SyBlob sOB; /* Output buffer consumer */
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};
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/*
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* Information about each module library (loaded using [import()] )
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* is stored in an instance of the following structure.
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*/
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typedef struct VmModule VmModule;
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struct VmModule {
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#ifdef __WINNT__
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HINSTANCE pHandle; /* Module handler under Windows */
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#else
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void *pHandle; /* Module handler under Unix-like OS */
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#endif
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SyString sName; /* Module name */
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SyString sFile; /* Module library file */
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SyString sDesc; /* Module short description */
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ph7_real fVer; /* Module version */
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};
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/*
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* Each installed class autoload callback (registered using [register_autoload_handler()] )
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* is stored in an instance of the following structure.
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*/
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typedef struct VmAutoLoadCB VmAutoLoadCB;
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struct VmAutoLoadCB {
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ph7_value sCallback; /* autoload callback */
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ph7_value aArg[1]; /* Callback argument (should really take just a class name */
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};
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/*
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* Each installed shutdown callback (registered using [register_shutdown_function()] )
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* is stored in an instance of the following structure.
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* Refer to the implementation of [register_shutdown_function(()] for more information.
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*/
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typedef struct VmShutdownCB VmShutdownCB;
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struct VmShutdownCB {
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ph7_value sCallback; /* Shutdown callback */
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ph7_value aArg[10]; /* Callback arguments (10 maximum arguments) */
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int nArg; /* Total number of given arguments */
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};
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/* Uncaught exception code value */
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#define PH7_EXCEPTION -255
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/*
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* Allowed value for ph7_vm.nMagic
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*/
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