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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@php.net> |
| Zeev Suraski <zeev@php.net> |
| Dmitry Stogov <dmitry@php.net> |
| Xinchen Hui <laruence@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_TYPES_H
#define ZEND_TYPES_H
#include "zend_portability.h"
#include "zend_long.h"
#include <stdbool.h>
#ifdef __SSE2__
# include <mmintrin.h>
# include <emmintrin.h>
#endif
#ifdef WORDS_BIGENDIAN
# define ZEND_ENDIAN_LOHI(lo, hi) hi; lo;
# define ZEND_ENDIAN_LOHI_3(lo, mi, hi) hi; mi; lo;
# define ZEND_ENDIAN_LOHI_4(a, b, c, d) d; c; b; a;
# define ZEND_ENDIAN_LOHI_C(lo, hi) hi, lo
# define ZEND_ENDIAN_LOHI_C_3(lo, mi, hi) hi, mi, lo,
# define ZEND_ENDIAN_LOHI_C_4(a, b, c, d) d, c, b, a
#else
# define ZEND_ENDIAN_LOHI(lo, hi) lo; hi;
# define ZEND_ENDIAN_LOHI_3(lo, mi, hi) lo; mi; hi;
# define ZEND_ENDIAN_LOHI_4(a, b, c, d) a; b; c; d;
# define ZEND_ENDIAN_LOHI_C(lo, hi) lo, hi
# define ZEND_ENDIAN_LOHI_C_3(lo, mi, hi) lo, mi, hi,
# define ZEND_ENDIAN_LOHI_C_4(a, b, c, d) a, b, c, d
#endif
typedef bool zend_bool;
typedef unsigned char zend_uchar;
typedef enum {
SUCCESS = 0,
FAILURE = -1, /* this MUST stay a negative number, or it may affect functions! */
} ZEND_RESULT_CODE;
typedef ZEND_RESULT_CODE zend_result;
#ifdef ZEND_ENABLE_ZVAL_LONG64
# ifdef ZEND_WIN32
# define ZEND_SIZE_MAX _UI64_MAX
# else
# define ZEND_SIZE_MAX SIZE_MAX
# endif
#else
# if defined(ZEND_WIN32)
# define ZEND_SIZE_MAX _UI32_MAX
# else
# define ZEND_SIZE_MAX SIZE_MAX
# endif
#endif
typedef intptr_t zend_intptr_t;
typedef uintptr_t zend_uintptr_t;
#ifdef ZTS
#define ZEND_TLS static TSRM_TLS
#define ZEND_EXT_TLS TSRM_TLS
#else
#define ZEND_TLS static
#define ZEND_EXT_TLS
#endif
typedef struct _zend_object_handlers zend_object_handlers;
typedef struct _zend_class_entry zend_class_entry;
typedef union _zend_function zend_function;
typedef struct _zend_execute_data zend_execute_data;
typedef struct _zval_struct zval;
typedef struct _zend_refcounted zend_refcounted;
typedef struct _zend_string zend_string;
typedef struct _zend_array zend_array;
typedef struct _zend_object zend_object;
typedef struct _zend_resource zend_resource;
typedef struct _zend_reference zend_reference;
typedef struct _zend_ast_ref zend_ast_ref;
typedef struct _zend_ast zend_ast;
typedef int (*compare_func_t)(const void *, const void *);
typedef void (*swap_func_t)(void *, void *);
typedef void (*sort_func_t)(void *, size_t, size_t, compare_func_t, swap_func_t);
typedef void (*dtor_func_t)(zval *pDest);
typedef void (*copy_ctor_func_t)(zval *pElement);
/*
* zend_type - is an abstraction layer to represent information about type hint.
* It shouldn't be used directly. Only through ZEND_TYPE_* macros.
*
* ZEND_TYPE_IS_SET() - checks if there is a type-hint
* ZEND_TYPE_HAS_ONLY_MASK() - checks if type-hint refer to standard type only
* ZEND_TYPE_HAS_CLASS() - checks if type-hint contains some class
* ZEND_TYPE_HAS_CE() - checks if type-hint contains some class as zend_class_entry *
* ZEND_TYPE_HAS_NAME() - checks if type-hint contains some class as zend_string *
*
* ZEND_TYPE_NAME() - returns referenced class name
* ZEND_TYPE_CE() - returns referenced class entry
* ZEND_TYPE_PURE_MASK() - returns MAY_BE_* type mask
* ZEND_TYPE_FULL_MASK() - returns MAY_BE_* type mask together with other flags
*
* ZEND_TYPE_ALLOW_NULL() - checks if NULL is allowed
*
* ZEND_TYPE_INIT_*() should be used for construction.
*/
typedef struct {
/* Not using a union here, because there's no good way to initialize them
* in a way that is supported in both C and C++ (designated initializers
* are only supported since C++20). */
void *ptr;
uint32_t type_mask;
/* TODO: We could use the extra 32-bit of padding on 64-bit systems. */
} zend_type;
typedef struct {
uint32_t num_types;
zend_type types[1];
} zend_type_list;
#define _ZEND_TYPE_EXTRA_FLAGS_SHIFT 24
#define _ZEND_TYPE_MASK ((1u << 24) - 1)
/* Only one of these bits may be set. */
#define _ZEND_TYPE_NAME_BIT (1u << 23)
#define _ZEND_TYPE_CE_BIT (1u << 22)
#define _ZEND_TYPE_LIST_BIT (1u << 21)
#define _ZEND_TYPE_KIND_MASK (_ZEND_TYPE_LIST_BIT|_ZEND_TYPE_CE_BIT|_ZEND_TYPE_NAME_BIT)
/* Whether the type list is arena allocated */
#define _ZEND_TYPE_ARENA_BIT (1u << 20)
/* Type mask excluding the flags above. */
#define _ZEND_TYPE_MAY_BE_MASK ((1u << 20) - 1)
/* Must have same value as MAY_BE_NULL */
#define _ZEND_TYPE_NULLABLE_BIT 0x2u
#define ZEND_TYPE_IS_SET(t) \
(((t).type_mask & _ZEND_TYPE_MASK) != 0)
#define ZEND_TYPE_HAS_CLASS(t) \
((((t).type_mask) & _ZEND_TYPE_KIND_MASK) != 0)
#define ZEND_TYPE_HAS_CE(t) \
((((t).type_mask) & _ZEND_TYPE_CE_BIT) != 0)
#define ZEND_TYPE_HAS_NAME(t) \
((((t).type_mask) & _ZEND_TYPE_NAME_BIT) != 0)
#define ZEND_TYPE_HAS_LIST(t) \
((((t).type_mask) & _ZEND_TYPE_LIST_BIT) != 0)
#define ZEND_TYPE_USES_ARENA(t) \
((((t).type_mask) & _ZEND_TYPE_ARENA_BIT) != 0)
#define ZEND_TYPE_IS_ONLY_MASK(t) \
(ZEND_TYPE_IS_SET(t) && (t).ptr == NULL)
#define ZEND_TYPE_NAME(t) \
((zend_string *) (t).ptr)
#define ZEND_TYPE_LITERAL_NAME(t) \
((const char *) (t).ptr)
#define ZEND_TYPE_CE(t) \
((zend_class_entry *) (t).ptr)
#define ZEND_TYPE_LIST(t) \
((zend_type_list *) (t).ptr)
#define ZEND_TYPE_LIST_SIZE(num_types) \
(sizeof(zend_type_list) + ((num_types) - 1) * sizeof(zend_type))
/* This iterates over a zend_type_list. */
#define ZEND_TYPE_LIST_FOREACH(list, type_ptr) do { \
zend_type *_list = (list)->types; \
zend_type *_end = _list + (list)->num_types; \
for (; _list < _end; _list++) { \
type_ptr = _list;
#define ZEND_TYPE_LIST_FOREACH_END() \
} \
} while (0)
/* This iterates over any zend_type. If it's a type list, all list elements will
* be visited. If it's a single type, only the single type is visited. */
#define ZEND_TYPE_FOREACH(type, type_ptr) do { \
zend_type *_cur, *_end; \
if (ZEND_TYPE_HAS_LIST(type)) { \
zend_type_list *_list = ZEND_TYPE_LIST(type); \
_cur = _list->types; \
_end = _cur + _list->num_types; \
} else { \
_cur = &(type); \
_end = _cur + 1; \
} \
do { \
type_ptr = _cur;
#define ZEND_TYPE_FOREACH_END() \
} while (++_cur < _end); \
} while (0)
#define ZEND_TYPE_SET_PTR(t, _ptr) \
((t).ptr = (_ptr))
#define ZEND_TYPE_SET_PTR_AND_KIND(t, _ptr, kind_bit) do { \
(t).ptr = (_ptr); \
(t).type_mask &= ~_ZEND_TYPE_KIND_MASK; \
(t).type_mask |= (kind_bit); \
} while (0)
#define ZEND_TYPE_SET_CE(t, ce) \
ZEND_TYPE_SET_PTR_AND_KIND(t, ce, _ZEND_TYPE_CE_BIT)
#define ZEND_TYPE_SET_LIST(t, list) \
ZEND_TYPE_SET_PTR_AND_KIND(t, list, _ZEND_TYPE_LIST_BIT)
/* FULL_MASK() includes the MAY_BE_* type mask, the CE/NAME bits, as well as extra reserved bits.
* The PURE_MASK() only includes the MAY_BE_* type mask. */
#define ZEND_TYPE_FULL_MASK(t) \
((t).type_mask)
#define ZEND_TYPE_PURE_MASK(t) \
((t).type_mask & _ZEND_TYPE_MAY_BE_MASK)
#define ZEND_TYPE_FULL_MASK_WITHOUT_NULL(t) \
((t).type_mask & ~_ZEND_TYPE_NULLABLE_BIT)
#define ZEND_TYPE_PURE_MASK_WITHOUT_NULL(t) \
((t).type_mask & _ZEND_TYPE_MAY_BE_MASK & ~_ZEND_TYPE_NULLABLE_BIT)
#define ZEND_TYPE_CONTAINS_CODE(t, code) \
(((t).type_mask & (1u << (code))) != 0)
#define ZEND_TYPE_ALLOW_NULL(t) \
(((t).type_mask & _ZEND_TYPE_NULLABLE_BIT) != 0)
#define ZEND_TYPE_INIT_NONE(extra_flags) \
{ NULL, (extra_flags) }
#define ZEND_TYPE_INIT_MASK(_type_mask) \
{ NULL, (_type_mask) }
#define ZEND_TYPE_INIT_CODE(code, allow_null, extra_flags) \
ZEND_TYPE_INIT_MASK(((code) == _IS_BOOL ? MAY_BE_BOOL : ((code) == IS_MIXED ? MAY_BE_ANY : (1 << (code)))) \
| ((allow_null) ? _ZEND_TYPE_NULLABLE_BIT : 0) | (extra_flags))
#define ZEND_TYPE_INIT_PTR(ptr, type_kind, allow_null, extra_flags) \
{ (void *) (ptr), \
(type_kind) | ((allow_null) ? _ZEND_TYPE_NULLABLE_BIT : 0) | (extra_flags) }
#define ZEND_TYPE_INIT_PTR_MASK(ptr, type_mask) \
{ (void *) (ptr), (type_mask) }
#define ZEND_TYPE_INIT_CE(_ce, allow_null, extra_flags) \
ZEND_TYPE_INIT_PTR(_ce, _ZEND_TYPE_CE_BIT, allow_null, extra_flags)
#define ZEND_TYPE_INIT_CLASS(class_name, allow_null, extra_flags) \
ZEND_TYPE_INIT_PTR(class_name, _ZEND_TYPE_NAME_BIT, allow_null, extra_flags)
#define ZEND_TYPE_INIT_CLASS_CONST(class_name, allow_null, extra_flags) \
ZEND_TYPE_INIT_PTR(class_name, _ZEND_TYPE_NAME_BIT, allow_null, extra_flags)
#define ZEND_TYPE_INIT_CLASS_CONST_MASK(class_name, type_mask) \
ZEND_TYPE_INIT_PTR_MASK(class_name, _ZEND_TYPE_NAME_BIT | (type_mask))
typedef union _zend_value {
zend_long lval; /* long value */
double dval; /* double value */
zend_refcounted *counted;
zend_string *str;
zend_array *arr;
zend_object *obj;
zend_resource *res;
zend_reference *ref;
zend_ast_ref *ast;
zval *zv;
void *ptr;
zend_class_entry *ce;
zend_function *func;
struct {
uint32_t w1;
uint32_t w2;
} ww;
} zend_value;
struct _zval_struct {
zend_value value; /* value */
union {
uint32_t type_info;
struct {
ZEND_ENDIAN_LOHI_3(
zend_uchar type, /* active type */
zend_uchar type_flags,
union {
uint16_t extra; /* not further specified */
} u)
} v;
} u1;
union {
uint32_t next; /* hash collision chain */
uint32_t cache_slot; /* cache slot (for RECV_INIT) */
uint32_t opline_num; /* opline number (for FAST_CALL) */
uint32_t lineno; /* line number (for ast nodes) */
uint32_t num_args; /* arguments number for EX(This) */
uint32_t fe_pos; /* foreach position */
uint32_t fe_iter_idx; /* foreach iterator index */
uint32_t access_flags; /* class constant access flags */
uint32_t property_guard; /* single property guard */
uint32_t constant_flags; /* constant flags */
uint32_t extra; /* not further specified */
} u2;
};
typedef struct _zend_refcounted_h {
uint32_t refcount; /* reference counter 32-bit */
union {
uint32_t type_info;
} u;
} zend_refcounted_h;
struct _zend_refcounted {
zend_refcounted_h gc;
};
struct _zend_string {
zend_refcounted_h gc;
zend_ulong h; /* hash value */
size_t len;
char val[1];
};
typedef struct _Bucket {
zval val;
zend_ulong h; /* hash value (or numeric index) */
zend_string *key; /* string key or NULL for numerics */
} Bucket;
typedef struct _zend_array HashTable;
struct _zend_array {
zend_refcounted_h gc;
union {
struct {
ZEND_ENDIAN_LOHI_4(
zend_uchar flags,
zend_uchar _unused,
zend_uchar nIteratorsCount,
zend_uchar _unused2)
} v;
uint32_t flags;
} u;
uint32_t nTableMask;
Bucket *arData;
uint32_t nNumUsed;
uint32_t nNumOfElements;
uint32_t nTableSize;
uint32_t nInternalPointer;
zend_long nNextFreeElement;
dtor_func_t pDestructor;
};
/*
* HashTable Data Layout
* =====================
*
* +=============================+
* | HT_HASH(ht, ht->nTableMask) |
* | ... |
* | HT_HASH(ht, -1) |
* +-----------------------------+
* ht->arData ---> | Bucket[0] |
* | ... |
* | Bucket[ht->nTableSize-1] |
* +=============================+
*/
#define HT_INVALID_IDX ((uint32_t) -1)
#define HT_MIN_MASK ((uint32_t) -2)
#define HT_MIN_SIZE 8
#if SIZEOF_SIZE_T == 4
# define HT_MAX_SIZE 0x04000000 /* small enough to avoid overflow checks */
# define HT_HASH_TO_BUCKET_EX(data, idx) \
((Bucket*)((char*)(data) + (idx)))
# define HT_IDX_TO_HASH(idx) \
((idx) * sizeof(Bucket))
# define HT_HASH_TO_IDX(idx) \
((idx) / sizeof(Bucket))
#elif SIZEOF_SIZE_T == 8
# define HT_MAX_SIZE 0x80000000
# define HT_HASH_TO_BUCKET_EX(data, idx) \
((data) + (idx))
# define HT_IDX_TO_HASH(idx) \
(idx)
# define HT_HASH_TO_IDX(idx) \
(idx)
#else
# error "Unknown SIZEOF_SIZE_T"
#endif
#define HT_HASH_EX(data, idx) \
((uint32_t*)(data))[(int32_t)(idx)]
#define HT_HASH(ht, idx) \
HT_HASH_EX((ht)->arData, idx)
#define HT_SIZE_TO_MASK(nTableSize) \
((uint32_t)(-((nTableSize) + (nTableSize))))
#define HT_HASH_SIZE(nTableMask) \
(((size_t)(uint32_t)-(int32_t)(nTableMask)) * sizeof(uint32_t))
#define HT_DATA_SIZE(nTableSize) \
((size_t)(nTableSize) * sizeof(Bucket))
#define HT_SIZE_EX(nTableSize, nTableMask) \
(HT_DATA_SIZE((nTableSize)) + HT_HASH_SIZE((nTableMask)))
#define HT_SIZE(ht) \
HT_SIZE_EX((ht)->nTableSize, (ht)->nTableMask)
#define HT_USED_SIZE(ht) \
(HT_HASH_SIZE((ht)->nTableMask) + ((size_t)(ht)->nNumUsed * sizeof(Bucket)))
#ifdef __SSE2__
# define HT_HASH_RESET(ht) do { \
char *p = (char*)&HT_HASH(ht, (ht)->nTableMask); \
size_t size = HT_HASH_SIZE((ht)->nTableMask); \
__m128i xmm0 = _mm_setzero_si128(); \
xmm0 = _mm_cmpeq_epi8(xmm0, xmm0); \
ZEND_ASSERT(size >= 64 && ((size & 0x3f) == 0)); \
do { \
_mm_storeu_si128((__m128i*)p, xmm0); \
_mm_storeu_si128((__m128i*)(p+16), xmm0); \
_mm_storeu_si128((__m128i*)(p+32), xmm0); \
_mm_storeu_si128((__m128i*)(p+48), xmm0); \
p += 64; \
size -= 64; \
} while (size != 0); \
} while (0)
#else
# define HT_HASH_RESET(ht) \
memset(&HT_HASH(ht, (ht)->nTableMask), HT_INVALID_IDX, HT_HASH_SIZE((ht)->nTableMask))
#endif
#define HT_HASH_RESET_PACKED(ht) do { \
HT_HASH(ht, -2) = HT_INVALID_IDX; \
HT_HASH(ht, -1) = HT_INVALID_IDX; \
} while (0)
#define HT_HASH_TO_BUCKET(ht, idx) \
HT_HASH_TO_BUCKET_EX((ht)->arData, idx)
#define HT_SET_DATA_ADDR(ht, ptr) do { \
(ht)->arData = (Bucket*)(((char*)(ptr)) + HT_HASH_SIZE((ht)->nTableMask)); \
} while (0)
#define HT_GET_DATA_ADDR(ht) \
((char*)((ht)->arData) - HT_HASH_SIZE((ht)->nTableMask))
typedef uint32_t HashPosition;
typedef struct _HashTableIterator {
HashTable *ht;
HashPosition pos;
} HashTableIterator;
struct _zend_object {
zend_refcounted_h gc;
uint32_t handle; // TODO: may be removed ???
zend_class_entry *ce;
const zend_object_handlers *handlers;
HashTable *properties;
zval properties_table[1];
};
struct _zend_resource {
zend_refcounted_h gc;
int handle; // TODO: may be removed ???
int type;
void *ptr;
};
typedef struct {
size_t num;
size_t num_allocated;
struct _zend_property_info *ptr[1];
} zend_property_info_list;
typedef union {
struct _zend_property_info *ptr;
uintptr_t list;
} zend_property_info_source_list;
#define ZEND_PROPERTY_INFO_SOURCE_FROM_LIST(list) (0x1 | (uintptr_t) (list))
#define ZEND_PROPERTY_INFO_SOURCE_TO_LIST(list) ((zend_property_info_list *) ((list) & ~0x1))
#define ZEND_PROPERTY_INFO_SOURCE_IS_LIST(list) ((list) & 0x1)
struct _zend_reference {
zend_refcounted_h gc;
zval val;
zend_property_info_source_list sources;
};
struct _zend_ast_ref {
zend_refcounted_h gc;
/*zend_ast ast; zend_ast follows the zend_ast_ref structure */
};
/* Regular data types: Must be in sync with zend_variables.c. */
#define IS_UNDEF 0
#define IS_NULL 1
#define IS_FALSE 2
#define IS_TRUE 3
#define IS_LONG 4
#define IS_DOUBLE 5
#define IS_STRING 6
#define IS_ARRAY 7
#define IS_OBJECT 8
#define IS_RESOURCE 9
#define IS_REFERENCE 10
#define IS_CONSTANT_AST 11 /* Constant expressions */
/* Fake types used only for type hinting.
* These are allowed to overlap with the types below. */
#define IS_CALLABLE 12
#define IS_ITERABLE 13
#define IS_VOID 14
#define IS_STATIC 15
#define IS_MIXED 16
/* internal types */
#define IS_INDIRECT 12
#define IS_PTR 13
#define IS_ALIAS_PTR 14
#define _IS_ERROR 15
/* used for casts */
#define _IS_BOOL 17
#define _IS_NUMBER 18
static zend_always_inline zend_uchar zval_get_type(const zval* pz) {
return pz->u1.v.type;
}
#define ZEND_SAME_FAKE_TYPE(faketype, realtype) ( \
(faketype) == (realtype) \
|| ((faketype) == _IS_BOOL && ((realtype) == IS_TRUE || (realtype) == IS_FALSE)) \
)
/* we should never set just Z_TYPE, we should set Z_TYPE_INFO */
#define Z_TYPE(zval) zval_get_type(&(zval))
#define Z_TYPE_P(zval_p) Z_TYPE(*(zval_p))
#define Z_TYPE_FLAGS(zval) (zval).u1.v.type_flags
#define Z_TYPE_FLAGS_P(zval_p) Z_TYPE_FLAGS(*(zval_p))
#define Z_TYPE_INFO(zval) (zval).u1.type_info
#define Z_TYPE_INFO_P(zval_p) Z_TYPE_INFO(*(zval_p))
#define Z_NEXT(zval) (zval).u2.next
#define Z_NEXT_P(zval_p) Z_NEXT(*(zval_p))
#define Z_CACHE_SLOT(zval) (zval).u2.cache_slot
#define Z_CACHE_SLOT_P(zval_p) Z_CACHE_SLOT(*(zval_p))
#define Z_LINENO(zval) (zval).u2.lineno
#define Z_LINENO_P(zval_p) Z_LINENO(*(zval_p))
#define Z_OPLINE_NUM(zval) (zval).u2.opline_num
#define Z_OPLINE_NUM_P(zval_p) Z_OPLINE_NUM(*(zval_p))
#define Z_FE_POS(zval) (zval).u2.fe_pos
#define Z_FE_POS_P(zval_p) Z_FE_POS(*(zval_p))
#define Z_FE_ITER(zval) (zval).u2.fe_iter_idx
#define Z_FE_ITER_P(zval_p) Z_FE_ITER(*(zval_p))
#define Z_ACCESS_FLAGS(zval) (zval).u2.access_flags
#define Z_ACCESS_FLAGS_P(zval_p) Z_ACCESS_FLAGS(*(zval_p))
#define Z_PROPERTY_GUARD(zval) (zval).u2.property_guard
#define Z_PROPERTY_GUARD_P(zval_p) Z_PROPERTY_GUARD(*(zval_p))
#define Z_CONSTANT_FLAGS(zval) (zval).u2.constant_flags
#define Z_CONSTANT_FLAGS_P(zval_p) Z_CONSTANT_FLAGS(*(zval_p))
#define Z_EXTRA(zval) (zval).u2.extra
#define Z_EXTRA_P(zval_p) Z_EXTRA(*(zval_p))
#define Z_COUNTED(zval) (zval).value.counted
#define Z_COUNTED_P(zval_p) Z_COUNTED(*(zval_p))
#define Z_TYPE_MASK 0xff
#define Z_TYPE_FLAGS_MASK 0xff00
#define Z_TYPE_FLAGS_SHIFT 8
#define GC_REFCOUNT(p) zend_gc_refcount(&(p)->gc)
#define GC_SET_REFCOUNT(p, rc) zend_gc_set_refcount(&(p)->gc, rc)
#define GC_ADDREF(p) zend_gc_addref(&(p)->gc)
#define GC_DELREF(p) zend_gc_delref(&(p)->gc)
#define GC_ADDREF_EX(p, rc) zend_gc_addref_ex(&(p)->gc, rc)
#define GC_DELREF_EX(p, rc) zend_gc_delref_ex(&(p)->gc, rc)
#define GC_TRY_ADDREF(p) zend_gc_try_addref(&(p)->gc)
#define GC_TYPE_MASK 0x0000000f
#define GC_FLAGS_MASK 0x000003f0
#define GC_INFO_MASK 0xfffffc00
#define GC_FLAGS_SHIFT 0
#define GC_INFO_SHIFT 10
static zend_always_inline zend_uchar zval_gc_type(uint32_t gc_type_info) {
return (gc_type_info & GC_TYPE_MASK);
}
static zend_always_inline uint32_t zval_gc_flags(uint32_t gc_type_info) {
return (gc_type_info >> GC_FLAGS_SHIFT) & (GC_FLAGS_MASK >> GC_FLAGS_SHIFT);
}
static zend_always_inline uint32_t zval_gc_info(uint32_t gc_type_info) {
return (gc_type_info >> GC_INFO_SHIFT);
}
#define GC_TYPE_INFO(p) (p)->gc.u.type_info
#define GC_TYPE(p) zval_gc_type(GC_TYPE_INFO(p))
#define GC_FLAGS(p) zval_gc_flags(GC_TYPE_INFO(p))
#define GC_INFO(p) zval_gc_info(GC_TYPE_INFO(p))
#define GC_ADD_FLAGS(p, flags) do { \
GC_TYPE_INFO(p) |= (flags) << GC_FLAGS_SHIFT; \
} while (0)
#define GC_DEL_FLAGS(p, flags) do { \
GC_TYPE_INFO(p) &= ~((flags) << GC_FLAGS_SHIFT); \
} while (0)
#define Z_GC_TYPE(zval) GC_TYPE(Z_COUNTED(zval))
#define Z_GC_TYPE_P(zval_p) Z_GC_TYPE(*(zval_p))
#define Z_GC_FLAGS(zval) GC_FLAGS(Z_COUNTED(zval))
#define Z_GC_FLAGS_P(zval_p) Z_GC_FLAGS(*(zval_p))
#define Z_GC_INFO(zval) GC_INFO(Z_COUNTED(zval))
#define Z_GC_INFO_P(zval_p) Z_GC_INFO(*(zval_p))
#define Z_GC_TYPE_INFO(zval) GC_TYPE_INFO(Z_COUNTED(zval))
#define Z_GC_TYPE_INFO_P(zval_p) Z_GC_TYPE_INFO(*(zval_p))
/* zval_gc_flags(zval.value->gc.u.type_info) (common flags) */
#define GC_NOT_COLLECTABLE (1<<4)
#define GC_PROTECTED (1<<5) /* used for recursion detection */
#define GC_IMMUTABLE (1<<6) /* can't be changed in place */
#define GC_PERSISTENT (1<<7) /* allocated using malloc */
#define GC_PERSISTENT_LOCAL (1<<8) /* persistent, but thread-local */
#define GC_NULL (IS_NULL | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
#define GC_STRING (IS_STRING | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
#define GC_ARRAY IS_ARRAY
#define GC_OBJECT IS_OBJECT
#define GC_RESOURCE (IS_RESOURCE | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
#define GC_REFERENCE (IS_REFERENCE | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
#define GC_CONSTANT_AST (IS_CONSTANT_AST | (GC_NOT_COLLECTABLE << GC_FLAGS_SHIFT))
/* zval.u1.v.type_flags */
#define IS_TYPE_REFCOUNTED (1<<0)
#define IS_TYPE_COLLECTABLE (1<<1)
#if 1
/* This optimized version assumes that we have a single "type_flag" */
/* IS_TYPE_COLLECTABLE may be used only with IS_TYPE_REFCOUNTED */
# define Z_TYPE_INFO_REFCOUNTED(t) (((t) & Z_TYPE_FLAGS_MASK) != 0)
#else
# define Z_TYPE_INFO_REFCOUNTED(t) (((t) & (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT)) != 0)
#endif
/* extended types */
#define IS_INTERNED_STRING_EX IS_STRING
#define IS_STRING_EX (IS_STRING | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_ARRAY_EX (IS_ARRAY | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT) | (IS_TYPE_COLLECTABLE << Z_TYPE_FLAGS_SHIFT))
#define IS_OBJECT_EX (IS_OBJECT | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT) | (IS_TYPE_COLLECTABLE << Z_TYPE_FLAGS_SHIFT))
#define IS_RESOURCE_EX (IS_RESOURCE | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_REFERENCE_EX (IS_REFERENCE | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
#define IS_CONSTANT_AST_EX (IS_CONSTANT_AST | (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT))
/* string flags (zval.value->gc.u.flags) */
#define IS_STR_INTERNED GC_IMMUTABLE /* interned string */
#define IS_STR_PERSISTENT GC_PERSISTENT /* allocated using malloc */
#define IS_STR_PERMANENT (1<<8) /* relives request boundary */
#define IS_STR_VALID_UTF8 (1<<9) /* valid UTF-8 according to PCRE */
/* array flags */
#define IS_ARRAY_IMMUTABLE GC_IMMUTABLE
#define IS_ARRAY_PERSISTENT GC_PERSISTENT
/* object flags (zval.value->gc.u.flags) */
#define IS_OBJ_WEAKLY_REFERENCED GC_PERSISTENT
#define IS_OBJ_DESTRUCTOR_CALLED (1<<8)
#define IS_OBJ_FREE_CALLED (1<<9)
#define OBJ_FLAGS(obj) GC_FLAGS(obj)
/* Recursion protection macros must be used only for arrays and objects */
#define GC_IS_RECURSIVE(p) \
(GC_FLAGS(p) & GC_PROTECTED)
#define GC_PROTECT_RECURSION(p) do { \
GC_ADD_FLAGS(p, GC_PROTECTED); \
} while (0)
#define GC_UNPROTECT_RECURSION(p) do { \
GC_DEL_FLAGS(p, GC_PROTECTED); \
} while (0)
#define GC_TRY_PROTECT_RECURSION(p) do { \
if (!(GC_FLAGS(p) & GC_IMMUTABLE)) GC_PROTECT_RECURSION(p); \
} while (0)
#define GC_TRY_UNPROTECT_RECURSION(p) do { \
if (!(GC_FLAGS(p) & GC_IMMUTABLE)) GC_UNPROTECT_RECURSION(p); \
} while (0)
#define Z_IS_RECURSIVE(zval) GC_IS_RECURSIVE(Z_COUNTED(zval))
#define Z_PROTECT_RECURSION(zval) GC_PROTECT_RECURSION(Z_COUNTED(zval))
#define Z_UNPROTECT_RECURSION(zval) GC_UNPROTECT_RECURSION(Z_COUNTED(zval))
#define Z_IS_RECURSIVE_P(zv) Z_IS_RECURSIVE(*(zv))
#define Z_PROTECT_RECURSION_P(zv) Z_PROTECT_RECURSION(*(zv))
#define Z_UNPROTECT_RECURSION_P(zv) Z_UNPROTECT_RECURSION(*(zv))
/* All data types < IS_STRING have their constructor/destructors skipped */
#define Z_CONSTANT(zval) (Z_TYPE(zval) == IS_CONSTANT_AST)
#define Z_CONSTANT_P(zval_p) Z_CONSTANT(*(zval_p))
#if 1
/* This optimized version assumes that we have a single "type_flag" */
/* IS_TYPE_COLLECTABLE may be used only with IS_TYPE_REFCOUNTED */
#define Z_REFCOUNTED(zval) (Z_TYPE_FLAGS(zval) != 0)
#else
#define Z_REFCOUNTED(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_REFCOUNTED) != 0)
#endif
#define Z_REFCOUNTED_P(zval_p) Z_REFCOUNTED(*(zval_p))
#define Z_COLLECTABLE(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_COLLECTABLE) != 0)
#define Z_COLLECTABLE_P(zval_p) Z_COLLECTABLE(*(zval_p))
/* deprecated: (COPYABLE is the same as IS_ARRAY) */
#define Z_COPYABLE(zval) (Z_TYPE(zval) == IS_ARRAY)
#define Z_COPYABLE_P(zval_p) Z_COPYABLE(*(zval_p))
/* deprecated: (IMMUTABLE is the same as IS_ARRAY && !REFCOUNTED) */
#define Z_IMMUTABLE(zval) (Z_TYPE_INFO(zval) == IS_ARRAY)
#define Z_IMMUTABLE_P(zval_p) Z_IMMUTABLE(*(zval_p))
#define Z_OPT_IMMUTABLE(zval) Z_IMMUTABLE(zval_p)
#define Z_OPT_IMMUTABLE_P(zval_p) Z_IMMUTABLE(*(zval_p))
/* the following Z_OPT_* macros make better code when Z_TYPE_INFO accessed before */
#define Z_OPT_TYPE(zval) (Z_TYPE_INFO(zval) & Z_TYPE_MASK)
#define Z_OPT_TYPE_P(zval_p) Z_OPT_TYPE(*(zval_p))
#define Z_OPT_CONSTANT(zval) (Z_OPT_TYPE(zval) == IS_CONSTANT_AST)
#define Z_OPT_CONSTANT_P(zval_p) Z_OPT_CONSTANT(*(zval_p))
#define Z_OPT_REFCOUNTED(zval) Z_TYPE_INFO_REFCOUNTED(Z_TYPE_INFO(zval))
#define Z_OPT_REFCOUNTED_P(zval_p) Z_OPT_REFCOUNTED(*(zval_p))
/* deprecated: (COPYABLE is the same as IS_ARRAY) */
#define Z_OPT_COPYABLE(zval) (Z_OPT_TYPE(zval) == IS_ARRAY)
#define Z_OPT_COPYABLE_P(zval_p) Z_OPT_COPYABLE(*(zval_p))
#define Z_OPT_ISREF(zval) (Z_OPT_TYPE(zval) == IS_REFERENCE)
#define Z_OPT_ISREF_P(zval_p) Z_OPT_ISREF(*(zval_p))
#define Z_ISREF(zval) (Z_TYPE(zval) == IS_REFERENCE)
#define Z_ISREF_P(zval_p) Z_ISREF(*(zval_p))
#define Z_ISUNDEF(zval) (Z_TYPE(zval) == IS_UNDEF)
#define Z_ISUNDEF_P(zval_p) Z_ISUNDEF(*(zval_p))
#define Z_ISNULL(zval) (Z_TYPE(zval) == IS_NULL)
#define Z_ISNULL_P(zval_p) Z_ISNULL(*(zval_p))
#define Z_ISERROR(zval) (Z_TYPE(zval) == _IS_ERROR)
#define Z_ISERROR_P(zval_p) Z_ISERROR(*(zval_p))
#define Z_LVAL(zval) (zval).value.lval
#define Z_LVAL_P(zval_p) Z_LVAL(*(zval_p))
#define Z_DVAL(zval) (zval).value.dval
#define Z_DVAL_P(zval_p) Z_DVAL(*(zval_p))
#define Z_STR(zval) (zval).value.str
#define Z_STR_P(zval_p) Z_STR(*(zval_p))
#define Z_STRVAL(zval) ZSTR_VAL(Z_STR(zval))
#define Z_STRVAL_P(zval_p) Z_STRVAL(*(zval_p))
#define Z_STRLEN(zval) ZSTR_LEN(Z_STR(zval))
#define Z_STRLEN_P(zval_p) Z_STRLEN(*(zval_p))
#define Z_STRHASH(zval) ZSTR_HASH(Z_STR(zval))
#define Z_STRHASH_P(zval_p) Z_STRHASH(*(zval_p))
#define Z_ARR(zval) (zval).value.arr
#define Z_ARR_P(zval_p) Z_ARR(*(zval_p))
#define Z_ARRVAL(zval) Z_ARR(zval)
#define Z_ARRVAL_P(zval_p) Z_ARRVAL(*(zval_p))
#define Z_OBJ(zval) (zval).value.obj
#define Z_OBJ_P(zval_p) Z_OBJ(*(zval_p))
#define Z_OBJ_HT(zval) Z_OBJ(zval)->handlers
#define Z_OBJ_HT_P(zval_p) Z_OBJ_HT(*(zval_p))
#define Z_OBJ_HANDLER(zval, hf) Z_OBJ_HT((zval))->hf
#define Z_OBJ_HANDLER_P(zv_p, hf) Z_OBJ_HANDLER(*(zv_p), hf)
#define Z_OBJ_HANDLE(zval) (Z_OBJ((zval)))->handle
#define Z_OBJ_HANDLE_P(zval_p) Z_OBJ_HANDLE(*(zval_p))
#define Z_OBJCE(zval) (Z_OBJ(zval)->ce)
#define Z_OBJCE_P(zval_p) Z_OBJCE(*(zval_p))
#define Z_OBJPROP(zval) Z_OBJ_HT((zval))->get_properties(Z_OBJ(zval))
#define Z_OBJPROP_P(zval_p) Z_OBJPROP(*(zval_p))
#define Z_RES(zval) (zval).value.res
#define Z_RES_P(zval_p) Z_RES(*zval_p)
#define Z_RES_HANDLE(zval) Z_RES(zval)->handle
#define Z_RES_HANDLE_P(zval_p) Z_RES_HANDLE(*zval_p)
#define Z_RES_TYPE(zval) Z_RES(zval)->type
#define Z_RES_TYPE_P(zval_p) Z_RES_TYPE(*zval_p)
#define Z_RES_VAL(zval) Z_RES(zval)->ptr
#define Z_RES_VAL_P(zval_p) Z_RES_VAL(*zval_p)
#define Z_REF(zval) (zval).value.ref
#define Z_REF_P(zval_p) Z_REF(*(zval_p))
#define Z_REFVAL(zval) &Z_REF(zval)->val
#define Z_REFVAL_P(zval_p) Z_REFVAL(*(zval_p))
#define Z_AST(zval) (zval).value.ast
#define Z_AST_P(zval_p) Z_AST(*(zval_p))
#define GC_AST(p) ((zend_ast*)(((char*)p) + sizeof(zend_ast_ref)))
#define Z_ASTVAL(zval) GC_AST(Z_AST(zval))
#define Z_ASTVAL_P(zval_p) Z_ASTVAL(*(zval_p))
#define Z_INDIRECT(zval) (zval).value.zv
#define Z_INDIRECT_P(zval_p) Z_INDIRECT(*(zval_p))
#define Z_CE(zval) (zval).value.ce
#define Z_CE_P(zval_p) Z_CE(*(zval_p))
#define Z_FUNC(zval) (zval).value.func
#define Z_FUNC_P(zval_p) Z_FUNC(*(zval_p))
#define Z_PTR(zval) (zval).value.ptr
#define Z_PTR_P(zval_p) Z_PTR(*(zval_p))
#define ZVAL_UNDEF(z) do { \
Z_TYPE_INFO_P(z) = IS_UNDEF; \
} while (0)
#define ZVAL_NULL(z) do { \
Z_TYPE_INFO_P(z) = IS_NULL; \
} while (0)
#define ZVAL_FALSE(z) do { \
Z_TYPE_INFO_P(z) = IS_FALSE; \
} while (0)
#define ZVAL_TRUE(z) do { \
Z_TYPE_INFO_P(z) = IS_TRUE; \
} while (0)
#define ZVAL_BOOL(z, b) do { \
Z_TYPE_INFO_P(z) = \
(b) ? IS_TRUE : IS_FALSE; \
} while (0)
#define ZVAL_LONG(z, l) do { \
zval *__z = (z); \
Z_LVAL_P(__z) = l; \
Z_TYPE_INFO_P(__z) = IS_LONG; \
} while (0)
#define ZVAL_DOUBLE(z, d) do { \
zval *__z = (z); \
Z_DVAL_P(__z) = d; \
Z_TYPE_INFO_P(__z) = IS_DOUBLE; \
} while (0)
#define ZVAL_STR(z, s) do { \
zval *__z = (z); \
zend_string *__s = (s); \
Z_STR_P(__z) = __s; \
/* interned strings support */ \
Z_TYPE_INFO_P(__z) = ZSTR_IS_INTERNED(__s) ? \
IS_INTERNED_STRING_EX : \
IS_STRING_EX; \
} while (0)
#define ZVAL_INTERNED_STR(z, s) do { \
zval *__z = (z); \
zend_string *__s = (s); \
Z_STR_P(__z) = __s; \
Z_TYPE_INFO_P(__z) = IS_INTERNED_STRING_EX; \
} while (0)
#define ZVAL_NEW_STR(z, s) do { \
zval *__z = (z); \
zend_string *__s = (s); \
Z_STR_P(__z) = __s; \
Z_TYPE_INFO_P(__z) = IS_STRING_EX; \
} while (0)
#define ZVAL_STR_COPY(z, s) do { \
zval *__z = (z); \
zend_string *__s = (s); \
Z_STR_P(__z) = __s; \
/* interned strings support */ \
if (ZSTR_IS_INTERNED(__s)) { \
Z_TYPE_INFO_P(__z) = IS_INTERNED_STRING_EX; \
} else { \
GC_ADDREF(__s); \
Z_TYPE_INFO_P(__z) = IS_STRING_EX; \
} \
} while (0)
#define ZVAL_ARR(z, a) do { \
zend_array *__arr = (a); \
zval *__z = (z); \
Z_ARR_P(__z) = __arr; \
Z_TYPE_INFO_P(__z) = IS_ARRAY_EX; \
} while (0)
#define ZVAL_NEW_ARR(z) do { \
zval *__z = (z); \
zend_array *_arr = \
(zend_array *) emalloc(sizeof(zend_array)); \
Z_ARR_P(__z) = _arr; \
Z_TYPE_INFO_P(__z) = IS_ARRAY_EX; \
} while (0)
#define ZVAL_NEW_PERSISTENT_ARR(z) do { \
zval *__z = (z); \
zend_array *_arr = \
(zend_array *) malloc(sizeof(zend_array)); \
Z_ARR_P(__z) = _arr; \
Z_TYPE_INFO_P(__z) = IS_ARRAY_EX; \
} while (0)
#define ZVAL_OBJ(z, o) do { \
zval *__z = (z); \
Z_OBJ_P(__z) = (o); \
Z_TYPE_INFO_P(__z) = IS_OBJECT_EX; \
} while (0)
#define ZVAL_OBJ_COPY(z, o) do { \
zval *__z = (z); \
zend_object *__o = (o); \
GC_ADDREF(__o); \
Z_OBJ_P(__z) = __o; \
Z_TYPE_INFO_P(__z) = IS_OBJECT_EX; \
} while (0)
#define ZVAL_RES(z, r) do { \
zval *__z = (z); \
Z_RES_P(__z) = (r); \
Z_TYPE_INFO_P(__z) = IS_RESOURCE_EX; \
} while (0)
#define ZVAL_NEW_RES(z, h, p, t) do { \
zend_resource *_res = \
(zend_resource *) emalloc(sizeof(zend_resource)); \
zval *__z; \
GC_SET_REFCOUNT(_res, 1); \
GC_TYPE_INFO(_res) = GC_RESOURCE; \
_res->handle = (h); \
_res->type = (t); \
_res->ptr = (p); \
__z = (z); \
Z_RES_P(__z) = _res; \
Z_TYPE_INFO_P(__z) = IS_RESOURCE_EX; \
} while (0)
#define ZVAL_NEW_PERSISTENT_RES(z, h, p, t) do { \
zend_resource *_res = \
(zend_resource *) malloc(sizeof(zend_resource)); \
zval *__z; \
GC_SET_REFCOUNT(_res, 1); \
GC_TYPE_INFO(_res) = GC_RESOURCE | \
(GC_PERSISTENT << GC_FLAGS_SHIFT); \
_res->handle = (h); \
_res->type = (t); \
_res->ptr = (p); \
__z = (z); \
Z_RES_P(__z) = _res; \
Z_TYPE_INFO_P(__z) = IS_RESOURCE_EX; \
} while (0)
#define ZVAL_REF(z, r) do { \
zval *__z = (z); \
Z_REF_P(__z) = (r); \
Z_TYPE_INFO_P(__z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_NEW_EMPTY_REF(z) do { \
zend_reference *_ref = \
(zend_reference *) emalloc(sizeof(zend_reference)); \
GC_SET_REFCOUNT(_ref, 1); \
GC_TYPE_INFO(_ref) = GC_REFERENCE; \
_ref->sources.ptr = NULL; \
Z_REF_P(z) = _ref; \
Z_TYPE_INFO_P(z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_NEW_REF(z, r) do { \
zend_reference *_ref = \
(zend_reference *) emalloc(sizeof(zend_reference)); \
GC_SET_REFCOUNT(_ref, 1); \
GC_TYPE_INFO(_ref) = GC_REFERENCE; \
ZVAL_COPY_VALUE(&_ref->val, r); \
_ref->sources.ptr = NULL; \
Z_REF_P(z) = _ref; \
Z_TYPE_INFO_P(z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_MAKE_REF_EX(z, refcount) do { \
zval *_z = (z); \
zend_reference *_ref = \
(zend_reference *) emalloc(sizeof(zend_reference)); \
GC_SET_REFCOUNT(_ref, (refcount)); \
GC_TYPE_INFO(_ref) = GC_REFERENCE; \
ZVAL_COPY_VALUE(&_ref->val, _z); \
_ref->sources.ptr = NULL; \
Z_REF_P(_z) = _ref; \
Z_TYPE_INFO_P(_z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_NEW_PERSISTENT_REF(z, r) do { \
zend_reference *_ref = \
(zend_reference *) malloc(sizeof(zend_reference)); \
GC_SET_REFCOUNT(_ref, 1); \
GC_TYPE_INFO(_ref) = GC_REFERENCE | \
(GC_PERSISTENT << GC_FLAGS_SHIFT); \
ZVAL_COPY_VALUE(&_ref->val, r); \
_ref->sources.ptr = NULL; \
Z_REF_P(z) = _ref; \
Z_TYPE_INFO_P(z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_AST(z, ast) do { \
zval *__z = (z); \
Z_AST_P(__z) = ast; \
Z_TYPE_INFO_P(__z) = IS_CONSTANT_AST_EX; \
} while (0)
#define ZVAL_INDIRECT(z, v) do { \
Z_INDIRECT_P(z) = (v); \
Z_TYPE_INFO_P(z) = IS_INDIRECT; \
} while (0)
#define ZVAL_PTR(z, p) do { \
Z_PTR_P(z) = (p); \
Z_TYPE_INFO_P(z) = IS_PTR; \
} while (0)
#define ZVAL_FUNC(z, f) do { \
Z_FUNC_P(z) = (f); \
Z_TYPE_INFO_P(z) = IS_PTR; \
} while (0)
#define ZVAL_CE(z, c) do { \
Z_CE_P(z) = (c); \
Z_TYPE_INFO_P(z) = IS_PTR; \
} while (0)
#define ZVAL_ALIAS_PTR(z, p) do { \
Z_PTR_P(z) = (p); \
Z_TYPE_INFO_P(z) = IS_ALIAS_PTR; \
} while (0)
#define ZVAL_ERROR(z) do { \
Z_TYPE_INFO_P(z) = _IS_ERROR; \
} while (0)
#define Z_REFCOUNT_P(pz) zval_refcount_p(pz)
#define Z_SET_REFCOUNT_P(pz, rc) zval_set_refcount_p(pz, rc)
#define Z_ADDREF_P(pz) zval_addref_p(pz)
#define Z_DELREF_P(pz) zval_delref_p(pz)
#define Z_REFCOUNT(z) Z_REFCOUNT_P(&(z))
#define Z_SET_REFCOUNT(z, rc) Z_SET_REFCOUNT_P(&(z), rc)
#define Z_ADDREF(z) Z_ADDREF_P(&(z))
#define Z_DELREF(z) Z_DELREF_P(&(z))
#define Z_TRY_ADDREF_P(pz) do { \
if (Z_REFCOUNTED_P((pz))) { \
Z_ADDREF_P((pz)); \
} \
} while (0)
#define Z_TRY_DELREF_P(pz) do { \
if (Z_REFCOUNTED_P((pz))) { \
Z_DELREF_P((pz)); \
} \
} while (0)
#define Z_TRY_ADDREF(z) Z_TRY_ADDREF_P(&(z))
#define Z_TRY_DELREF(z) Z_TRY_DELREF_P(&(z))
#ifndef ZEND_RC_DEBUG
# define ZEND_RC_DEBUG 0
#endif
#if ZEND_RC_DEBUG
extern ZEND_API zend_bool zend_rc_debug;
# define ZEND_RC_MOD_CHECK(p) do { \
if (zend_rc_debug && zval_gc_type((p)->u.type_info) != IS_OBJECT) { \
ZEND_ASSERT(!(zval_gc_flags((p)->u.type_info) & GC_IMMUTABLE)); \
ZEND_ASSERT((zval_gc_flags((p)->u.type_info) & (GC_PERSISTENT|GC_PERSISTENT_LOCAL)) != GC_PERSISTENT); \
} \
} while (0)
# define GC_MAKE_PERSISTENT_LOCAL(p) do { \
GC_ADD_FLAGS(p, GC_PERSISTENT_LOCAL); \
} while (0)
#else
# define ZEND_RC_MOD_CHECK(p) \
do { } while (0)
# define GC_MAKE_PERSISTENT_LOCAL(p) \
do { } while (0)
#endif
static zend_always_inline uint32_t zend_gc_refcount(const zend_refcounted_h *p) {
return p->refcount;
}
static zend_always_inline uint32_t zend_gc_set_refcount(zend_refcounted_h *p, uint32_t rc) {
p->refcount = rc;
return p->refcount;
}
static zend_always_inline uint32_t zend_gc_addref(zend_refcounted_h *p) {
ZEND_RC_MOD_CHECK(p);
return ++(p->refcount);
}
static zend_always_inline void zend_gc_try_addref(zend_refcounted_h *p) {
if (!(p->u.type_info & GC_IMMUTABLE)) {
ZEND_RC_MOD_CHECK(p);
++p->refcount;
}
}
static zend_always_inline uint32_t zend_gc_delref(zend_refcounted_h *p) {
ZEND_ASSERT(p->refcount > 0);
ZEND_RC_MOD_CHECK(p);
return --(p->refcount);
}
static zend_always_inline uint32_t zend_gc_addref_ex(zend_refcounted_h *p, uint32_t rc) {
ZEND_RC_MOD_CHECK(p);
p->refcount += rc;
return p->refcount;
}
static zend_always_inline uint32_t zend_gc_delref_ex(zend_refcounted_h *p, uint32_t rc) {
ZEND_RC_MOD_CHECK(p);
p->refcount -= rc;
return p->refcount;
}
static zend_always_inline uint32_t zval_refcount_p(const zval* pz) {
#if ZEND_DEBUG
ZEND_ASSERT(Z_REFCOUNTED_P(pz) || Z_TYPE_P(pz) == IS_ARRAY);
#endif
return GC_REFCOUNT(Z_COUNTED_P(pz));
}
static zend_always_inline uint32_t zval_set_refcount_p(zval* pz, uint32_t rc) {
ZEND_ASSERT(Z_REFCOUNTED_P(pz));
return GC_SET_REFCOUNT(Z_COUNTED_P(pz), rc);
}
static zend_always_inline uint32_t zval_addref_p(zval* pz) {
ZEND_ASSERT(Z_REFCOUNTED_P(pz));
return GC_ADDREF(Z_COUNTED_P(pz));
}
static zend_always_inline uint32_t zval_delref_p(zval* pz) {
ZEND_ASSERT(Z_REFCOUNTED_P(pz));
return GC_DELREF(Z_COUNTED_P(pz));
}
#if SIZEOF_SIZE_T == 4
# define ZVAL_COPY_VALUE_EX(z, v, gc, t) \
do { \
uint32_t _w2 = v->value.ww.w2; \
Z_COUNTED_P(z) = gc; \
z->value.ww.w2 = _w2; \
Z_TYPE_INFO_P(z) = t; \
} while (0)
#elif SIZEOF_SIZE_T == 8
# define ZVAL_COPY_VALUE_EX(z, v, gc, t) \
do { \
Z_COUNTED_P(z) = gc; \
Z_TYPE_INFO_P(z) = t; \
} while (0)
#else
# error "Unknown SIZEOF_SIZE_T"
#endif
#define ZVAL_COPY_VALUE(z, v) \
do { \
zval *_z1 = (z); \
const zval *_z2 = (v); \
zend_refcounted *_gc = Z_COUNTED_P(_z2); \
uint32_t _t = Z_TYPE_INFO_P(_z2); \
ZVAL_COPY_VALUE_EX(_z1, _z2, _gc, _t); \
} while (0)
#define ZVAL_COPY(z, v) \
do { \
zval *_z1 = (z); \
const zval *_z2 = (v); \
zend_refcounted *_gc = Z_COUNTED_P(_z2); \
uint32_t _t = Z_TYPE_INFO_P(_z2); \
ZVAL_COPY_VALUE_EX(_z1, _z2, _gc, _t); \
if (Z_TYPE_INFO_REFCOUNTED(_t)) { \
GC_ADDREF(_gc); \
} \
} while (0)
#define ZVAL_DUP(z, v) \
do { \
zval *_z1 = (z); \
const zval *_z2 = (v); \
zend_refcounted *_gc = Z_COUNTED_P(_z2); \
uint32_t _t = Z_TYPE_INFO_P(_z2); \
if ((_t & Z_TYPE_MASK) == IS_ARRAY) { \
ZVAL_ARR(_z1, zend_array_dup((zend_array*)_gc));\
} else { \
if (Z_TYPE_INFO_REFCOUNTED(_t)) { \
GC_ADDREF(_gc); \
} \
ZVAL_COPY_VALUE_EX(_z1, _z2, _gc, _t); \
} \
} while (0)
/* ZVAL_COPY_OR_DUP() should be used instead of ZVAL_COPY() and ZVAL_DUP()
* in all places where the source may be a persistent zval.
*/
#define ZVAL_COPY_OR_DUP(z, v) \
do { \
zval *_z1 = (z); \
const zval *_z2 = (v); \
zend_refcounted *_gc = Z_COUNTED_P(_z2); \
uint32_t _t = Z_TYPE_INFO_P(_z2); \
ZVAL_COPY_VALUE_EX(_z1, _z2, _gc, _t); \
if (Z_TYPE_INFO_REFCOUNTED(_t)) { \
if (EXPECTED(!(GC_FLAGS(_gc) & GC_PERSISTENT))) { \
GC_ADDREF(_gc); \
} else { \
zval_copy_ctor_func(_z1); \
} \
} \
} while (0)
#define ZVAL_DEREF(z) do { \
if (UNEXPECTED(Z_ISREF_P(z))) { \
(z) = Z_REFVAL_P(z); \
} \
} while (0)
#define ZVAL_DEINDIRECT(z) do { \
if (Z_TYPE_P(z) == IS_INDIRECT) { \
(z) = Z_INDIRECT_P(z); \
} \
} while (0)
#define ZVAL_OPT_DEREF(z) do { \
if (UNEXPECTED(Z_OPT_ISREF_P(z))) { \
(z) = Z_REFVAL_P(z); \
} \
} while (0)
#define ZVAL_MAKE_REF(zv) do { \
zval *__zv = (zv); \
if (!Z_ISREF_P(__zv)) { \
ZVAL_NEW_REF(__zv, __zv); \
} \
} while (0)
#define ZVAL_UNREF(z) do { \
zval *_z = (z); \
zend_reference *ref; \
ZEND_ASSERT(Z_ISREF_P(_z)); \
ref = Z_REF_P(_z); \
ZVAL_COPY_VALUE(_z, &ref->val); \
efree_size(ref, sizeof(zend_reference)); \
} while (0)
#define ZVAL_COPY_DEREF(z, v) do { \
zval *_z3 = (v); \
if (Z_OPT_REFCOUNTED_P(_z3)) { \
if (UNEXPECTED(Z_OPT_ISREF_P(_z3))) { \
_z3 = Z_REFVAL_P(_z3); \
if (Z_OPT_REFCOUNTED_P(_z3)) { \
Z_ADDREF_P(_z3); \
} \
} else { \
Z_ADDREF_P(_z3); \
} \
} \
ZVAL_COPY_VALUE(z, _z3); \
} while (0)
#define SEPARATE_STRING(zv) do { \
zval *_zv = (zv); \
if (Z_REFCOUNT_P(_zv) > 1) { \
zend_string *_str = Z_STR_P(_zv); \
ZEND_ASSERT(Z_REFCOUNTED_P(_zv)); \
ZEND_ASSERT(!ZSTR_IS_INTERNED(_str)); \
Z_DELREF_P(_zv); \
ZVAL_NEW_STR(_zv, zend_string_init( \
ZSTR_VAL(_str), ZSTR_LEN(_str), 0)); \
} \
} while (0)
#define SEPARATE_ARRAY(zv) do { \
zval *_zv = (zv); \
zend_array *_arr = Z_ARR_P(_zv); \
if (UNEXPECTED(GC_REFCOUNT(_arr) > 1)) { \
if (Z_REFCOUNTED_P(_zv)) { \
GC_DELREF(_arr); \
} \
ZVAL_ARR(_zv, zend_array_dup(_arr)); \
} \
} while (0)
#define SEPARATE_ZVAL_IF_NOT_REF(zv) do { \
zval *__zv = (zv); \
if (Z_TYPE_P(__zv) == IS_ARRAY) { \
SEPARATE_ARRAY(__zv); \
} \
} while (0)
#define SEPARATE_ZVAL_NOREF(zv) do { \
zval *_zv = (zv); \
ZEND_ASSERT(Z_TYPE_P(_zv) != IS_REFERENCE); \
SEPARATE_ZVAL_IF_NOT_REF(_zv); \
} while (0)
#define SEPARATE_ZVAL(zv) do { \
zval *_zv = (zv); \
if (Z_ISREF_P(_zv)) { \
zend_reference *_r = Z_REF_P(_zv); \
ZVAL_COPY_VALUE(_zv, &_r->val); \
if (GC_DELREF(_r) == 0) { \
efree_size(_r, sizeof(zend_reference)); \
} else if (Z_OPT_TYPE_P(_zv) == IS_ARRAY) { \
ZVAL_ARR(_zv, zend_array_dup(Z_ARR_P(_zv)));\
break; \
} else if (Z_OPT_REFCOUNTED_P(_zv)) { \
Z_ADDREF_P(_zv); \
break; \
} \
} \
SEPARATE_ZVAL_IF_NOT_REF(_zv); \
} while (0)
#define SEPARATE_ARG_IF_REF(varptr) do { \
ZVAL_DEREF(varptr); \
if (Z_REFCOUNTED_P(varptr)) { \
Z_ADDREF_P(varptr); \
} \
} while (0)
/* Properties store a flag distinguishing unset and uninitialized properties
* (both use IS_UNDEF type) in the Z_EXTRA space. As such we also need to copy
* the Z_EXTRA space when copying property default values etc. We define separate
* macros for this purpose, so this workaround is easier to remove in the future. */
#define IS_PROP_UNINIT 1
#define Z_PROP_FLAG_P(z) Z_EXTRA_P(z)
#define ZVAL_COPY_VALUE_PROP(z, v) \
do { *(z) = *(v); } while (0)
#define ZVAL_COPY_PROP(z, v) \
do { ZVAL_COPY(z, v); Z_PROP_FLAG_P(z) = Z_PROP_FLAG_P(v); } while (0)
#define ZVAL_COPY_OR_DUP_PROP(z, v) \
do { ZVAL_COPY_OR_DUP(z, v); Z_PROP_FLAG_P(z) = Z_PROP_FLAG_P(v); } while (0)
#endif /* ZEND_TYPES_H */