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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> |
+----------------------------------------------------------------------+
*/
#ifndef ZEND_H
#define ZEND_H
#define ZEND_VERSION "4.2.26"
#define ZEND_ENGINE_3
#include "zend_types.h"
#include "zend_map_ptr.h"
#include "zend_errors.h"
#include "zend_alloc.h"
#include "zend_llist.h"
#include "zend_string.h"
#include "zend_hash.h"
#include "zend_ast.h"
#include "zend_gc.h"
#include "zend_variables.h"
#include "zend_iterators.h"
#include "zend_stream.h"
#include "zend_smart_str_public.h"
#include "zend_smart_string_public.h"
#include "zend_signal.h"
#include "zend_max_execution_timer.h"
#define zend_sprintf sprintf
#define HANDLE_BLOCK_INTERRUPTIONS() ZEND_SIGNAL_BLOCK_INTERRUPTIONS()
#define HANDLE_UNBLOCK_INTERRUPTIONS() ZEND_SIGNAL_UNBLOCK_INTERRUPTIONS()
#define INTERNAL_FUNCTION_PARAMETERS zend_execute_data *execute_data, zval *return_value
#define INTERNAL_FUNCTION_PARAM_PASSTHRU execute_data, return_value
#define USED_RET() \
(!EX(prev_execute_data) || \
!ZEND_USER_CODE(EX(prev_execute_data)->func->common.type) || \
(EX(prev_execute_data)->opline->result_type != IS_UNUSED))
#ifdef ZEND_ENABLE_STATIC_TSRMLS_CACHE
#define ZEND_TSRMG TSRMG_STATIC
#define ZEND_TSRMG_FAST TSRMG_FAST_STATIC
#define ZEND_TSRMLS_CACHE_EXTERN() TSRMLS_CACHE_EXTERN()
#define ZEND_TSRMLS_CACHE_DEFINE() TSRMLS_CACHE_DEFINE()
#define ZEND_TSRMLS_CACHE_UPDATE() TSRMLS_CACHE_UPDATE()
#define ZEND_TSRMLS_CACHE TSRMLS_CACHE
#else
#define ZEND_TSRMG TSRMG
#define ZEND_TSRMG_FAST TSRMG_FAST
#define ZEND_TSRMLS_CACHE_EXTERN()
#define ZEND_TSRMLS_CACHE_DEFINE()
#define ZEND_TSRMLS_CACHE_UPDATE()
#define ZEND_TSRMLS_CACHE
#endif
#ifndef ZEND_COMPILE_DL_EXT
TSRMLS_MAIN_CACHE_EXTERN()
#else
ZEND_TSRMLS_CACHE_EXTERN()
#endif
struct _zend_serialize_data;
struct _zend_unserialize_data;
typedef struct _zend_serialize_data zend_serialize_data;
typedef struct _zend_unserialize_data zend_unserialize_data;
typedef struct _zend_class_name {
zend_string *name;
zend_string *lc_name;
} zend_class_name;
typedef struct _zend_trait_method_reference {
zend_string *method_name;
zend_string *class_name;
} zend_trait_method_reference;
typedef struct _zend_trait_precedence {
zend_trait_method_reference trait_method;
uint32_t num_excludes;
zend_string *exclude_class_names[1];
} zend_trait_precedence;
typedef struct _zend_trait_alias {
zend_trait_method_reference trait_method;
/**
* name for method to be added
*/
zend_string *alias;
/**
* modifiers to be set on trait method
*/
uint32_t modifiers;
} zend_trait_alias;
typedef struct _zend_class_mutable_data {
zval *default_properties_table;
HashTable *constants_table;
uint32_t ce_flags;
HashTable *backed_enum_table;
} zend_class_mutable_data;
typedef struct _zend_class_dependency {
zend_string *name;
zend_class_entry *ce;
} zend_class_dependency;
typedef struct _zend_inheritance_cache_entry zend_inheritance_cache_entry;
typedef struct _zend_error_info {
int type;
uint32_t lineno;
zend_string *filename;
zend_string *message;
} zend_error_info;
struct _zend_inheritance_cache_entry {
zend_inheritance_cache_entry *next;
zend_class_entry *ce;
zend_class_entry *parent;
zend_class_dependency *dependencies;
uint32_t dependencies_count;
uint32_t num_warnings;
zend_error_info **warnings;
zend_class_entry *traits_and_interfaces[1];
};
struct _zend_class_entry {
char type;
zend_string *name;
/* class_entry or string depending on ZEND_ACC_LINKED */
union {
zend_class_entry *parent;
zend_string *parent_name;
};
int refcount;
uint32_t ce_flags;
int default_properties_count;
int default_static_members_count;
zval *default_properties_table;
zval *default_static_members_table;
ZEND_MAP_PTR_DEF(zval *, static_members_table);
HashTable function_table;
HashTable properties_info;
HashTable constants_table;
ZEND_MAP_PTR_DEF(zend_class_mutable_data*, mutable_data);
zend_inheritance_cache_entry *inheritance_cache;
struct _zend_property_info **properties_info_table;
zend_function *constructor;
zend_function *destructor;
zend_function *clone;
zend_function *__get;
zend_function *__set;
zend_function *__unset;
zend_function *__isset;
zend_function *__call;
zend_function *__callstatic;
zend_function *__tostring;
zend_function *__debugInfo;
zend_function *__serialize;
zend_function *__unserialize;
/* allocated only if class implements Iterator or IteratorAggregate interface */
zend_class_iterator_funcs *iterator_funcs_ptr;
/* allocated only if class implements ArrayAccess interface */
zend_class_arrayaccess_funcs *arrayaccess_funcs_ptr;
/* handlers */
union {
zend_object* (*create_object)(zend_class_entry *class_type);
int (*interface_gets_implemented)(zend_class_entry *iface, zend_class_entry *class_type); /* a class implements this interface */
};
zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object, int by_ref);
zend_function *(*get_static_method)(zend_class_entry *ce, zend_string* method);
/* serializer callbacks */
int (*serialize)(zval *object, unsigned char **buffer, size_t *buf_len, zend_serialize_data *data);
int (*unserialize)(zval *object, zend_class_entry *ce, const unsigned char *buf, size_t buf_len, zend_unserialize_data *data);
uint32_t num_interfaces;
uint32_t num_traits;
/* class_entry or string(s) depending on ZEND_ACC_LINKED */
union {
zend_class_entry **interfaces;
zend_class_name *interface_names;
};
zend_class_name *trait_names;
zend_trait_alias **trait_aliases;
zend_trait_precedence **trait_precedences;
HashTable *attributes;
uint32_t enum_backing_type;
HashTable *backed_enum_table;
union {
struct {
zend_string *filename;
uint32_t line_start;
uint32_t line_end;
zend_string *doc_comment;
} user;
struct {
const struct _zend_function_entry *builtin_functions;
struct _zend_module_entry *module;
} internal;
} info;
};
typedef struct _zend_utility_functions {
void (*error_function)(int type, zend_string *error_filename, const uint32_t error_lineno, zend_string *message);
size_t (*printf_function)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
size_t (*write_function)(const char *str, size_t str_length);
FILE *(*fopen_function)(zend_string *filename, zend_string **opened_path);
void (*message_handler)(zend_long message, const void *data);
zval *(*get_configuration_directive)(zend_string *name);
void (*ticks_function)(int ticks);
void (*on_timeout)(int seconds);
zend_result (*stream_open_function)(zend_file_handle *handle);
void (*printf_to_smart_string_function)(smart_string *buf, const char *format, va_list ap);
void (*printf_to_smart_str_function)(smart_str *buf, const char *format, va_list ap);
char *(*getenv_function)(const char *name, size_t name_len);
zend_string *(*resolve_path_function)(zend_string *filename);
} zend_utility_functions;
typedef struct _zend_utility_values {
bool html_errors;
} zend_utility_values;
typedef size_t (*zend_write_func_t)(const char *str, size_t str_length);
#define zend_bailout() _zend_bailout(__FILE__, __LINE__)
#define zend_try \
{ \
JMP_BUF *__orig_bailout = EG(bailout); \
JMP_BUF __bailout; \
\
EG(bailout) = &__bailout; \
if (SETJMP(__bailout)==0) {
#define zend_catch \
} else { \
EG(bailout) = __orig_bailout;
#define zend_end_try() \
} \
EG(bailout) = __orig_bailout; \
}
#define zend_first_try EG(bailout)=NULL; zend_try
BEGIN_EXTERN_C()
void zend_startup(zend_utility_functions *utility_functions);
void zend_shutdown(void);
void zend_register_standard_ini_entries(void);
zend_result zend_post_startup(void);
void zend_set_utility_values(zend_utility_values *utility_values);
void zend_unload_modules(void);
ZEND_API ZEND_COLD ZEND_NORETURN void _zend_bailout(const char *filename, uint32_t lineno);
ZEND_API size_t zend_get_page_size(void);
ZEND_API size_t zend_vspprintf(char **pbuf, size_t max_len, const char *format, va_list ap);
ZEND_API size_t zend_spprintf(char **message, size_t max_len, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 3, 4);
ZEND_API zend_string *zend_vstrpprintf(size_t max_len, const char *format, va_list ap);
ZEND_API zend_string *zend_strpprintf(size_t max_len, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
/* Same as zend_spprintf and zend_strpprintf, without checking of format validity.
* For use with custom printf specifiers such as %H. */
ZEND_API size_t zend_spprintf_unchecked(char **message, size_t max_len, const char *format, ...);
ZEND_API zend_string *zend_strpprintf_unchecked(size_t max_len, const char *format, ...);
ZEND_API const char *get_zend_version(void);
ZEND_API bool zend_make_printable_zval(zval *expr, zval *expr_copy);
ZEND_API size_t zend_print_zval(zval *expr, int indent);
ZEND_API void zend_print_zval_r(zval *expr, int indent);
ZEND_API zend_string *zend_print_zval_r_to_str(zval *expr, int indent);
ZEND_API void zend_print_flat_zval_r(zval *expr);
void zend_print_flat_zval_r_to_buf(smart_str *str, zval *expr);
static zend_always_inline size_t zend_print_variable(zval *var) {
return zend_print_zval(var, 0);
}
ZEND_API ZEND_COLD void zend_output_debug_string(bool trigger_break, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
ZEND_API void zend_activate(void);
ZEND_API void zend_deactivate(void);
ZEND_API void zend_call_destructors(void);
ZEND_API void zend_activate_modules(void);
ZEND_API void zend_deactivate_modules(void);
ZEND_API void zend_post_deactivate_modules(void);
ZEND_API void free_estring(char **str_p);
END_EXTERN_C()
/* output support */
#define ZEND_WRITE(str, str_len) zend_write((str), (str_len))
#define ZEND_WRITE_EX(str, str_len) write_func((str), (str_len))
#define ZEND_PUTS(str) zend_write((str), strlen((str)))
#define ZEND_PUTS_EX(str) write_func((str), strlen((str)))
#define ZEND_PUTC(c) zend_write(&(c), 1)
BEGIN_EXTERN_C()
extern ZEND_API size_t (*zend_printf)(const char *format, ...) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 1, 2);
extern ZEND_API zend_write_func_t zend_write;
extern ZEND_API FILE *(*zend_fopen)(zend_string *filename, zend_string **opened_path);
extern ZEND_API void (*zend_ticks_function)(int ticks);
extern ZEND_API void (*zend_interrupt_function)(zend_execute_data *execute_data);
extern ZEND_API void (*zend_error_cb)(int type, zend_string *error_filename, const uint32_t error_lineno, zend_string *message);
extern ZEND_API void (*zend_on_timeout)(int seconds);
extern ZEND_API zend_result (*zend_stream_open_function)(zend_file_handle *handle);
extern void (*zend_printf_to_smart_string)(smart_string *buf, const char *format, va_list ap);
extern void (*zend_printf_to_smart_str)(smart_str *buf, const char *format, va_list ap);
extern ZEND_API char *(*zend_getenv)(const char *name, size_t name_len);
extern ZEND_API zend_string *(*zend_resolve_path)(zend_string *filename);
/* These two callbacks are especially for opcache */
extern ZEND_API zend_result (*zend_post_startup_cb)(void);
extern ZEND_API void (*zend_post_shutdown_cb)(void);
ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
/* For custom format specifiers like H */
ZEND_API ZEND_COLD void zend_error_unchecked(int type, const char *format, ...);
/* If filename is NULL the default filename is used. */
ZEND_API ZEND_COLD void zend_error_at(int type, zend_string *filename, uint32_t lineno, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 4, 5);
ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_at_noreturn(int type, zend_string *filename, uint32_t lineno, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 4, 5);
ZEND_API ZEND_COLD void zend_error_zstr(int type, zend_string *message);
ZEND_API ZEND_COLD void zend_error_zstr_at(int type, zend_string *filename, uint32_t lineno, zend_string *message);
ZEND_API ZEND_COLD void zend_throw_error(zend_class_entry *exception_ce, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
ZEND_API ZEND_COLD void zend_type_error(const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 1, 2);
ZEND_API ZEND_COLD void zend_argument_count_error(const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 1, 2);
ZEND_API ZEND_COLD void zend_value_error(const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 1, 2);
ZEND_COLD void zenderror(const char *error);
/* For internal C errors */
ZEND_API ZEND_COLD ZEND_NORETURN void zend_strerror_noreturn(int type, int errn, const char *message);
/* The following #define is used for code duality in PHP for Engine 1 & 2 */
#define ZEND_STANDARD_CLASS_DEF_PTR zend_standard_class_def
extern ZEND_API zend_class_entry *zend_standard_class_def;
extern ZEND_API zend_utility_values zend_uv;
/* If DTrace is available and enabled */
extern ZEND_API bool zend_dtrace_enabled;
END_EXTERN_C()
#define ZEND_UV(name) (zend_uv.name)
BEGIN_EXTERN_C()
ZEND_API void zend_message_dispatcher(zend_long message, const void *data);
ZEND_API zval *zend_get_configuration_directive(zend_string *name);
END_EXTERN_C()
/* Messages for applications of Zend */
#define ZMSG_FAILED_INCLUDE_FOPEN 1L
#define ZMSG_FAILED_REQUIRE_FOPEN 2L
#define ZMSG_FAILED_HIGHLIGHT_FOPEN 3L
#define ZMSG_MEMORY_LEAK_DETECTED 4L
#define ZMSG_MEMORY_LEAK_REPEATED 5L
#define ZMSG_LOG_SCRIPT_NAME 6L
#define ZMSG_MEMORY_LEAKS_GRAND_TOTAL 7L
typedef enum {
EH_NORMAL = 0,
EH_THROW
} zend_error_handling_t;
typedef struct {
zend_error_handling_t handling;
zend_class_entry *exception;
} zend_error_handling;
BEGIN_EXTERN_C()
ZEND_API void zend_save_error_handling(zend_error_handling *current);
ZEND_API void zend_replace_error_handling(zend_error_handling_t error_handling, zend_class_entry *exception_class, zend_error_handling *current);
ZEND_API void zend_restore_error_handling(zend_error_handling *saved);
ZEND_API void zend_begin_record_errors(void);
ZEND_API void zend_emit_recorded_errors(void);
ZEND_API void zend_free_recorded_errors(void);
END_EXTERN_C()
#define DEBUG_BACKTRACE_PROVIDE_OBJECT (1<<0)
#define DEBUG_BACKTRACE_IGNORE_ARGS (1<<1)
#include "zend_object_handlers.h"
#include "zend_operators.h"
#endif /* ZEND_H */