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zend_types.h
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zend_types.h
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/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2017 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@zend.com> |
| Zeev Suraski <zeev@zend.com> |
| Dmitry Stogov <dmitry@zend.com> |
| Xinchen Hui <xinchen.h@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef ZEND_TYPES_H
#define ZEND_TYPES_H
#include "zend_portability.h"
#include "zend_long.h"
#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 unsigned char 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;
#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 type-hint exists
* ZEND_TYPE_IS_CODE() - checks if type-hint refer to standard type
* ZEND_TYPE_IS_CLASS() - checks if type-hint refer to some class
*
* ZEND_TYPE_NAME() - returns referenced class name
* ZEND_TYPE_CE() - returns referenced class entry
* ZEND_TYPE_CODE() - returns standard type code (e.g. IS_LONG, _IS_BOOL)
*
* ZEND_TYPE_ALLOW_NULL() - checks if NULL is allowed
*
* ZEND_TYPE_ENCODE() and ZEND_TYPE_ENCODE_CLASS() should be used for
* construction.
*/
typedef uintptr_t zend_type;
#define ZEND_TYPE_IS_SET(t) \
((t) > Z_L(1))
#define ZEND_TYPE_IS_CODE(t) \
(((t) > Z_L(1)) && ((t) <= Z_L(0x1ff)))
#define ZEND_TYPE_IS_CLASS(t) \
((t) > Z_L(0x1ff))
#define ZEND_TYPE_NAME(t) \
((zend_string*)((t) & ~Z_L(0x3)))
#define ZEND_TYPE_CE(t) \
((zend_class_entry*)((t) & ~Z_L(0x3)))
#define ZEND_TYPE_CODE(t) \
((t) >> Z_L(1))
#define ZEND_TYPE_ALLOW_NULL(t) \
(((t) & Z_L(0x1)) != 0)
#define ZEND_TYPE_ENCODE(code, allow_null) \
(((code) << Z_L(1)) | ((allow_null) ? Z_L(0x1) : Z_L(0x0)))
#define ZEND_TYPE_ENCODE_CLASS(class_name, allow_null) \
(((uintptr_t)(class_name)) | ((allow_null) ? Z_L(0x1) : Z_L(0)))
#define ZEND_TYPE_ENCODE_CLASS_CONST_0(class_name) \
((zend_type) class_name)
#define ZEND_TYPE_ENCODE_CLASS_CONST_1(class_name) \
((zend_type) "?" class_name)
#define ZEND_TYPE_ENCODE_CLASS_CONST_Q2(macro, class_name) \
macro(class_name)
#define ZEND_TYPE_ENCODE_CLASS_CONST_Q1(allow_null, class_name) \
ZEND_TYPE_ENCODE_CLASS_CONST_Q2(ZEND_TYPE_ENCODE_CLASS_CONST_ ##allow_null, class_name)
#define ZEND_TYPE_ENCODE_CLASS_CONST(class_name, allow_null) \
ZEND_TYPE_ENCODE_CLASS_CONST_Q1(allow_null, class_name)
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 {
struct {
ZEND_ENDIAN_LOHI_4(
zend_uchar type, /* active type */
zend_uchar type_flags,
zend_uchar const_flags,
zend_uchar reserved) /* call info for EX(This) */
} v;
uint32_t type_info;
} u1;
union {
uint32_t next; /* hash collision chain */
uint32_t cache_slot; /* literal cache slot */
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 extra; /* not further specified */
} u2;
};
typedef struct _zend_refcounted_h {
uint32_t refcount; /* reference counter 32-bit */
union {
struct {
ZEND_ENDIAN_LOHI_3(
zend_uchar type,
zend_uchar flags, /* used for strings & objects */
uint16_t gc_info) /* keeps GC root number (or 0) and color */
} v;
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 nApplyCount,
zend_uchar nIteratorsCount,
zend_uchar consistency)
} 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_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)))
#define HT_HASH_RESET(ht) \
memset(&HT_HASH(ht, (ht)->nTableMask), HT_INVALID_IDX, HT_HASH_SIZE((ht)->nTableMask))
#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;
};
struct _zend_reference {
zend_refcounted_h gc;
zval val;
};
struct _zend_ast_ref {
zend_refcounted_h gc;
zend_ast *ast;
};
/* regular data types */
#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
/* constant expressions */
#define IS_CONSTANT 11
#define IS_CONSTANT_AST 12
/* fake types */
#define _IS_BOOL 13
#define IS_CALLABLE 14
#define IS_ITERABLE 19
#define IS_VOID 18
/* internal types */
#define IS_INDIRECT 15
#define IS_PTR 17
#define _IS_ERROR 20
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_CONST_FLAGS(zval) (zval).u1.v.const_flags
#define Z_CONST_FLAGS_P(zval_p) Z_CONST_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_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_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_SHIFT 8
#define Z_CONST_FLAGS_SHIFT 16
#define GC_REFCOUNT(p) (p)->gc.refcount
#define GC_TYPE(p) (p)->gc.u.v.type
#define GC_FLAGS(p) (p)->gc.u.v.flags
#define GC_INFO(p) (p)->gc.u.v.gc_info
#define GC_TYPE_INFO(p) (p)->gc.u.type_info
#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))
#define GC_FLAGS_SHIFT 8
#define GC_INFO_SHIFT 16
#define GC_INFO_MASK 0xffff0000
/* zval.value->gc.u.v.flags */
#define GC_COLLECTABLE (1<<7)
#define GC_ARRAY (IS_ARRAY | (GC_COLLECTABLE << GC_FLAGS_SHIFT))
#define GC_OBJECT (IS_OBJECT | (GC_COLLECTABLE << GC_FLAGS_SHIFT))
/* zval.u1.v.type_flags */
#define IS_TYPE_CONSTANT (1<<0)
#define IS_TYPE_REFCOUNTED (1<<2)
#define IS_TYPE_COPYABLE (1<<4)
/* extended types */
#define IS_INTERNED_STRING_EX IS_STRING
#define IS_STRING_EX (IS_STRING | (( IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE) << Z_TYPE_FLAGS_SHIFT))
#define IS_ARRAY_EX (IS_ARRAY | (( IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE) << Z_TYPE_FLAGS_SHIFT))
#define IS_OBJECT_EX (IS_OBJECT | (( IS_TYPE_REFCOUNTED ) << 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_EX (IS_CONSTANT | ((IS_TYPE_CONSTANT | IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE) << Z_TYPE_FLAGS_SHIFT))
#define IS_CONSTANT_AST_EX (IS_CONSTANT_AST | ((IS_TYPE_CONSTANT | IS_TYPE_REFCOUNTED | IS_TYPE_COPYABLE) << Z_TYPE_FLAGS_SHIFT))
/* zval.u1.v.const_flags */
#define IS_CONSTANT_UNQUALIFIED 0x010
#define IS_CONSTANT_VISITED_MARK 0x020
#define IS_CONSTANT_CLASS 0x080 /* __CLASS__ in trait */
#define IS_CONSTANT_IN_NAMESPACE 0x100 /* used only in opline->extended_value */
#define IS_CONSTANT_VISITED(p) (Z_CONST_FLAGS_P(p) & IS_CONSTANT_VISITED_MARK)
#define MARK_CONSTANT_VISITED(p) Z_CONST_FLAGS_P(p) |= IS_CONSTANT_VISITED_MARK
#define RESET_CONSTANT_VISITED(p) Z_CONST_FLAGS_P(p) &= ~IS_CONSTANT_VISITED_MARK
/* string flags (zval.value->gc.u.flags) */
#define IS_STR_PERSISTENT (1<<0) /* allocated using malloc */
#define IS_STR_INTERNED (1<<1) /* interned string */
#define IS_STR_PERMANENT (1<<2) /* relives request boundary */
#define IS_STR_CONSTANT (1<<3) /* constant index */
#define IS_STR_CONSTANT_UNQUALIFIED (1<<4) /* the same as IS_CONSTANT_UNQUALIFIED */
/* array flags */
#define IS_ARRAY_IMMUTABLE (1<<1)
/* object flags (zval.value->gc.u.flags) */
#define IS_OBJ_APPLY_COUNT 0x07
#define IS_OBJ_DESTRUCTOR_CALLED (1<<3)
#define IS_OBJ_FREE_CALLED (1<<4)
#define IS_OBJ_USE_GUARDS (1<<5)
#define IS_OBJ_HAS_GUARDS (1<<6)
#define Z_OBJ_APPLY_COUNT(zval) \
(Z_GC_FLAGS(zval) & IS_OBJ_APPLY_COUNT)
#define Z_OBJ_INC_APPLY_COUNT(zval) do { \
Z_GC_FLAGS(zval) = \
(Z_GC_FLAGS(zval) & ~IS_OBJ_APPLY_COUNT) | \
((Z_GC_FLAGS(zval) & IS_OBJ_APPLY_COUNT) + 1); \
} while (0)
#define Z_OBJ_DEC_APPLY_COUNT(zval) do { \
Z_GC_FLAGS(zval) = \
(Z_GC_FLAGS(zval) & ~IS_OBJ_APPLY_COUNT) | \
((Z_GC_FLAGS(zval) & IS_OBJ_APPLY_COUNT) - 1); \
} while (0)
#define Z_OBJ_APPLY_COUNT_P(zv) Z_OBJ_APPLY_COUNT(*(zv))
#define Z_OBJ_INC_APPLY_COUNT_P(zv) Z_OBJ_INC_APPLY_COUNT(*(zv))
#define Z_OBJ_DEC_APPLY_COUNT_P(zv) Z_OBJ_DEC_APPLY_COUNT(*(zv))
/* All data types < IS_STRING have their constructor/destructors skipped */
#define Z_CONSTANT(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_CONSTANT) != 0)
#define Z_CONSTANT_P(zval_p) Z_CONSTANT(*(zval_p))
#define Z_REFCOUNTED(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_REFCOUNTED) != 0)
#define Z_REFCOUNTED_P(zval_p) Z_REFCOUNTED(*(zval_p))
#define Z_COPYABLE(zval) ((Z_TYPE_FLAGS(zval) & IS_TYPE_COPYABLE) != 0)
#define Z_COPYABLE_P(zval_p) Z_COPYABLE(*(zval_p))
/* deprecated: (IMMUTABLE is the same as COPYABLE && !REFCOUED) */
#define Z_IMMUTABLE(zval) ((Z_TYPE_FLAGS(zval) & (IS_TYPE_REFCOUNTED|IS_TYPE_COPYABLE)) == IS_TYPE_COPYABLE)
#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_TYPE_INFO(zval) & (IS_TYPE_CONSTANT << Z_TYPE_FLAGS_SHIFT)) != 0)
#define Z_OPT_CONSTANT_P(zval_p) Z_OPT_CONSTANT(*(zval_p))
#define Z_OPT_REFCOUNTED(zval) ((Z_TYPE_INFO(zval) & (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT)) != 0)
#define Z_OPT_REFCOUNTED_P(zval_p) Z_OPT_REFCOUNTED(*(zval_p))
#define Z_OPT_COPYABLE(zval) ((Z_TYPE_INFO(zval) & (IS_TYPE_COPYABLE << Z_TYPE_FLAGS_SHIFT)) != 0)
#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(&(zval))
#define Z_OBJPROP_P(zval_p) Z_OBJPROP(*(zval_p))
#define Z_OBJDEBUG(zval,tmp) (Z_OBJ_HANDLER((zval),get_debug_info)?Z_OBJ_HANDLER((zval),get_debug_info)(&(zval),&tmp):(tmp=0,Z_OBJ_HANDLER((zval),get_properties)?Z_OBJPROP(zval):NULL))
#define Z_OBJDEBUG_P(zval_p,tmp) Z_OBJDEBUG(*(zval_p), tmp)
#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 Z_ASTVAL(zval) (zval).value.ast->ast
#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) { \
zval *__z = (z); \
Z_LVAL_P(__z) = l; \
Z_TYPE_INFO_P(__z) = IS_LONG; \
}
#define ZVAL_DOUBLE(z, d) { \
zval *__z = (z); \
Z_DVAL_P(__z) = d; \
Z_TYPE_INFO_P(__z) = IS_DOUBLE; \
}
#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_REFCOUNT(__s)++; \
Z_TYPE_INFO_P(__z) = IS_STRING_EX; \
} \
} while (0)
#define ZVAL_ARR(z, a) do { \
zval *__z = (z); \
Z_ARR_P(__z) = (a); \
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_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_REFCOUNT(_res) = 1; \
GC_TYPE_INFO(_res) = IS_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_REFCOUNT(_res) = 1; \
GC_TYPE_INFO(_res) = IS_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_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_REFCOUNT(_ref) = 1; \
GC_TYPE_INFO(_ref) = IS_REFERENCE; \
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_REFCOUNT(_ref) = 1; \
GC_TYPE_INFO(_ref) = IS_REFERENCE; \
ZVAL_COPY_VALUE(&_ref->val, r); \
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_REFCOUNT(_ref) = 1; \
GC_TYPE_INFO(_ref) = IS_REFERENCE; \
ZVAL_COPY_VALUE(&_ref->val, r); \
Z_REF_P(z) = _ref; \
Z_TYPE_INFO_P(z) = IS_REFERENCE_EX; \
} while (0)
#define ZVAL_NEW_AST(z, a) do { \
zval *__z = (z); \
zend_ast_ref *_ast = \
(zend_ast_ref *) emalloc(sizeof(zend_ast_ref)); \
GC_REFCOUNT(_ast) = 1; \
GC_TYPE_INFO(_ast) = IS_CONSTANT_AST; \
_ast->ast = (a); \
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_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))
static zend_always_inline uint32_t zval_refcount_p(zval* pz) {
ZEND_ASSERT(Z_REFCOUNTED_P(pz) || Z_COPYABLE_P(pz));
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_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_REFCOUNT(Z_COUNTED_P(pz));
}
static zend_always_inline uint32_t zval_delref_p(zval* pz) {
ZEND_ASSERT(Z_REFCOUNTED_P(pz));
return --GC_REFCOUNT(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 ((_t & (IS_TYPE_REFCOUNTED << Z_TYPE_FLAGS_SHIFT)) != 0) { \
GC_REFCOUNT(_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); \
ZVAL_COPY_VALUE_EX(_z1, _z2, _gc, _t); \
if ((_t & ((IS_TYPE_REFCOUNTED|IS_TYPE_COPYABLE) << Z_TYPE_FLAGS_SHIFT)) != 0) { \
if ((_t & (IS_TYPE_COPYABLE << Z_TYPE_FLAGS_SHIFT)) != 0) { \
_zval_copy_ctor_func(_z1 ZEND_FILE_LINE_CC); \
} else { \
GC_REFCOUNT(_gc)++; \
} \
} \
} while (0)
#define ZVAL_DEREF(z) do { \
if (UNEXPECTED(Z_ISREF_P(z))) { \
(z) = Z_REFVAL_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_UNREF(z, v) do { \
zval *_z3 = (v); \
if (Z_OPT_REFCOUNTED_P(_z3)) { \
if (UNEXPECTED(Z_OPT_ISREF_P(_z3)) \
&& UNEXPECTED(Z_REFCOUNT_P(_z3) == 1)) { \
ZVAL_UNREF(_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 { \