text: /*
     +----------------------------------------------------------------------+
     | Zend Engine                                                          |
     +----------------------------------------------------------------------+
     | Copyright (c) 1998-2018 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>                                |
     +----------------------------------------------------------------------+
  */
  
  /* $Id$ */
  
  #ifndef ZEND_H
  #define ZEND_H
  
  #define ZEND_VERSION "3.1.0"
  
  #define ZEND_ENGINE_3
  
  #define ZEND_MAX_RESERVED_RESOURCES	4
  
  #include "zend_types.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_signal.h"
  
  #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_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_TSRMLS_CACHE_EXTERN()
  #define ZEND_TSRMLS_CACHE_DEFINE()
  #define ZEND_TSRMLS_CACHE_UPDATE()
  #define ZEND_TSRMLS_CACHE
  #endif
  
  ZEND_TSRMLS_CACHE_EXTERN()
  
  #ifdef HAVE_NORETURN
  # ifdef ZEND_NORETURN_ALIAS
  ZEND_COLD void zend_error_noreturn(int type, const char *format, ...) ZEND_NORETURN ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
  # else
  ZEND_API ZEND_COLD ZEND_NORETURN void zend_error_noreturn(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
  # endif
  #else
  # define zend_error_noreturn zend_error
  #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_trait_method_reference {
  	zend_string *method_name;
  	zend_class_entry *ce;
  	zend_string *class_name;
  } zend_trait_method_reference;
  
  typedef struct _zend_trait_precedence {
  	zend_trait_method_reference *trait_method;
  	union {
  		zend_class_entry  *ce;
  		zend_string       *class_name;
  	} *exclude_from_classes;
  } 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;
  
  struct _zend_class_entry {
  	char type;
  	zend_string *name;
  	struct _zend_class_entry *parent;
  	int refcount;
  	uint32_t ce_flags;
  
  	int default_properties_count;
  	int default_static_members_count;
  	zval *default_properties_table;
  	zval *default_static_members_table;
  	zval *static_members_table;
  	HashTable function_table;
  	HashTable properties_info;
  	HashTable constants_table;
  
  	union _zend_function *constructor;
  	union _zend_function *destructor;
  	union _zend_function *clone;
  	union _zend_function *__get;
  	union _zend_function *__set;
  	union _zend_function *__unset;
  	union _zend_function *__isset;
  	union _zend_function *__call;
  	union _zend_function *__callstatic;
  	union _zend_function *__tostring;
  	union _zend_function *__debugInfo;
  	union _zend_function *serialize_func;
  	union _zend_function *unserialize_func;
  
  	zend_class_iterator_funcs iterator_funcs;
  
  	/* handlers */
  	zend_object* (*create_object)(zend_class_entry *class_type);
  	zend_object_iterator *(*get_iterator)(zend_class_entry *ce, zval *object, int by_ref);
  	int (*interface_gets_implemented)(zend_class_entry *iface, zend_class_entry *class_type); /* a class implements this interface */
  	union _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;
  	zend_class_entry **interfaces;
  
  	zend_class_entry **traits;
  	zend_trait_alias **trait_aliases;
  	zend_trait_precedence **trait_precedences;
  
  	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, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
  	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)(const char *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);
  	int (*stream_open_function)(const char *filename, zend_file_handle *handle);
  	size_t (*vspprintf_function)(char **pbuf, size_t max_len, const char *format, va_list ap);
  	zend_string *(*vstrpprintf_function)(size_t max_len, const char *format, va_list ap);
  	char *(*getenv_function)(char *name, size_t name_len);
  	zend_string *(*resolve_path_function)(const char *filename, int filename_len);
  } zend_utility_functions;
  
  typedef struct _zend_utility_values {
  	char *import_use_extension;
  	uint import_use_extension_length;
  	zend_bool html_errors;
  } zend_utility_values;
  
  typedef int (*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()
  int zend_startup(zend_utility_functions *utility_functions, char **extensions);
  void zend_shutdown(void);
  void zend_register_standard_ini_entries(void);
  void zend_post_startup(void);
  void zend_set_utility_values(zend_utility_values *utility_values);
  
  ZEND_API ZEND_COLD void _zend_bailout(char *filename, uint lineno);
  
  ZEND_API char *get_zend_version(void);
  ZEND_API int 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);
  ZEND_API ZEND_COLD void zend_output_debug_string(zend_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)(const char *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, const char *error_filename, const uint error_lineno, const char *format, va_list args) ZEND_ATTRIBUTE_PTR_FORMAT(printf, 4, 0);
  extern ZEND_API void (*zend_on_timeout)(int seconds);
  extern ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle);
  extern size_t (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
  extern zend_string *(*zend_vstrpprintf)(size_t max_len, const char *format, va_list ap);
  extern ZEND_API char *(*zend_getenv)(char *name, size_t name_len);
  extern ZEND_API zend_string *(*zend_resolve_path)(const char *filename, int filename_len);
  
  ZEND_API ZEND_COLD void zend_error(int type, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
  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_internal_type_error(zend_bool throw_exception, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
  ZEND_API ZEND_COLD void zend_internal_argument_count_error(zend_bool throw_exception, const char *format, ...) ZEND_ATTRIBUTE_FORMAT(printf, 2, 3);
  
  ZEND_COLD void zenderror(const char *error);
  
  /* 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 zend_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_SUPPRESS,
  	EH_THROW
  } zend_error_handling_t;
  
  typedef struct {
  	zend_error_handling_t  handling;
  	zend_class_entry       *exception;
  	zval                   user_handler;
  } zend_error_handling;
  
  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);
  
  #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 */
  
  /*
   * Local variables:
   * tab-width: 4
   * c-basic-offset: 4
   * indent-tabs-mode: t
   * End:
   */
  