mirror of
https://github.com/php/php-src.git
synced 2024-12-16 05:15:03 +08:00
418 lines
15 KiB
C
418 lines
15 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| 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 "4.3.0-dev"
|
|
|
|
#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;
|
|
|
|
const zend_object_handlers *default_object_handlers;
|
|
|
|
/* 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);
|
|
|
|
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 */
|