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zend.h
/* +----------------------------------------------------------------------+ | 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 "4.4.19" #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; uint32_t num_hooked_props; uint32_t num_hooked_prop_variance_checks; /* 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; zend_string *doc_comment; union { struct { zend_string *filename; uint32_t line_start; uint32_t line_end; } user; struct { const struct _zend_function_entry *builtin_functions; struct _zend_module_entry *module; } internal; } info; }; typedef union { zend_max_align_t align; uint64_t opaque[5]; } zend_random_bytes_insecure_state; 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_result (*random_bytes_function)(void *bytes, size_t size, char *errstr, size_t errstr_size); void (*random_bytes_insecure_function)(zend_random_bytes_insecure_state *state, void *bytes, size_t size); } 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); /* Called by the VM in certain places like at the loop header, user function * entry, and after internal function calls, if EG(vm_interrupt) has been set. * * If this is used to switch the EG(current_execute_data), such as implementing * a coroutine scheduler, then it needs to check the top frame to see if it's * an internal function. If an internal function is on top, then the frame * shouldn't be switched away. * * Prior to PHP 8.0, this check was not necessary. In PHP 8.0, * zend_call_function started calling zend_interrupt_function, and in 8.4 the * DO_*CALL* opcodes started calling the zend_interrupt_function while the * internal frame is still on top. */ 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); /* Generate 'size' random bytes into 'bytes' with the OS CSPRNG. */ extern ZEND_ATTRIBUTE_NONNULL ZEND_API zend_result (*zend_random_bytes)( void *bytes, size_t size, char *errstr, size_t errstr_size); /* Generate 'size' random bytes into 'bytes' with a general purpose PRNG (not * crypto safe). 'state' must be zeroed before the first call and can be reused. */ extern ZEND_ATTRIBUTE_NONNULL ZEND_API void (*zend_random_bytes_insecure)( zend_random_bytes_insecure_state *state, void *bytes, size_t size); /* 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); extern ZEND_API void (*zend_accel_schedule_restart_hook)(int reason); 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); ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn_unchecked(int type, const char *format, ...); /* 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); /* type should be one of the BP_VAR_* constants, only special messages happen for isset/empty and unset */ ZEND_API ZEND_COLD void zend_illegal_container_offset(const zend_string *container, const zval *offset, int type); 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 */
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