root/Zend/zend_globals.h

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   1 /*
   2    +----------------------------------------------------------------------+
   3    | Zend Engine                                                          |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 1998-2016 Zend Technologies Ltd. (http://www.zend.com) |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 2.00 of the Zend license,     |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.zend.com/license/2_00.txt.                                |
  11    | If you did not receive a copy of the Zend license and are unable to  |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@zend.com so we can mail you a copy immediately.              |
  14    +----------------------------------------------------------------------+
  15    | Authors: Andi Gutmans <andi@zend.com>                                |
  16    |          Zeev Suraski <zeev@zend.com>                                |
  17    +----------------------------------------------------------------------+
  18 */
  19 
  20 /* $Id$ */
  21 
  22 #ifndef ZEND_GLOBALS_H
  23 #define ZEND_GLOBALS_H
  24 
  25 
  26 #include <setjmp.h>
  27 
  28 #include "zend_globals_macros.h"
  29 
  30 #include "zend_stack.h"
  31 #include "zend_ptr_stack.h"
  32 #include "zend_hash.h"
  33 #include "zend_llist.h"
  34 #include "zend_objects.h"
  35 #include "zend_objects_API.h"
  36 #include "zend_modules.h"
  37 #include "zend_float.h"
  38 #include "zend_multibyte.h"
  39 #include "zend_multiply.h"
  40 #include "zend_arena.h"
  41 
  42 /* Define ZTS if you want a thread-safe Zend */
  43 /*#undef ZTS*/
  44 
  45 #ifdef ZTS
  46 
  47 BEGIN_EXTERN_C()
  48 ZEND_API extern int compiler_globals_id;
  49 ZEND_API extern int executor_globals_id;
  50 END_EXTERN_C()
  51 
  52 #endif
  53 
  54 #define SYMTABLE_CACHE_SIZE 32
  55 
  56 
  57 #include "zend_compile.h"
  58 
  59 /* excpt.h on Digital Unix 4.0 defines function_table */
  60 #undef function_table
  61 
  62 #define ZEND_EARLY_BINDING_COMPILE_TIME 0
  63 #define ZEND_EARLY_BINDING_DELAYED      1
  64 #define ZEND_EARLY_BINDING_DELAYED_ALL  2
  65 
  66 typedef struct _zend_vm_stack *zend_vm_stack;
  67 typedef struct _zend_ini_entry zend_ini_entry;
  68 
  69 
  70 struct _zend_compiler_globals {
  71         zend_stack loop_var_stack;
  72 
  73         zend_class_entry *active_class_entry;
  74 
  75         zend_string *compiled_filename;
  76 
  77         int zend_lineno;
  78 
  79         zend_op_array *active_op_array;
  80 
  81         HashTable *function_table;      /* function symbol table */
  82         HashTable *class_table;         /* class table */
  83 
  84         HashTable filenames_table;
  85 
  86         HashTable *auto_globals;
  87 
  88         zend_bool parse_error;
  89         zend_bool in_compilation;
  90         zend_bool short_tags;
  91 
  92         zend_bool unclean_shutdown;
  93 
  94         zend_bool ini_parser_unbuffered_errors;
  95 
  96         zend_llist open_files;
  97 
  98         struct _zend_ini_parser_param *ini_parser_param;
  99 
 100         uint32_t start_lineno;
 101         zend_bool increment_lineno;
 102 
 103         zend_string *doc_comment;
 104 
 105         uint32_t compiler_options; /* set of ZEND_COMPILE_* constants */
 106 
 107         HashTable const_filenames;
 108 
 109         zend_oparray_context context;
 110         zend_file_context file_context;
 111 
 112         zend_arena *arena;
 113 
 114         zend_string *empty_string;
 115         zend_string *one_char_string[256];
 116 
 117         HashTable interned_strings;
 118 
 119         const zend_encoding **script_encoding_list;
 120         size_t script_encoding_list_size;
 121         zend_bool multibyte;
 122         zend_bool detect_unicode;
 123         zend_bool encoding_declared;
 124 
 125         zend_ast *ast;
 126         zend_arena *ast_arena;
 127 
 128         zend_stack delayed_oplines_stack;
 129 
 130 #ifdef ZTS
 131         zval **static_members_table;
 132         int last_static_member;
 133 #endif
 134 };
 135 
 136 
 137 struct _zend_executor_globals {
 138         zval uninitialized_zval;
 139         zval error_zval;
 140 
 141         /* symbol table cache */
 142         zend_array *symtable_cache[SYMTABLE_CACHE_SIZE];
 143         zend_array **symtable_cache_limit;
 144         zend_array **symtable_cache_ptr;
 145 
 146         zend_array symbol_table;                /* main symbol table */
 147 
 148         HashTable included_files;       /* files already included */
 149 
 150         JMP_BUF *bailout;
 151 
 152         int error_reporting;
 153         int exit_status;
 154 
 155         HashTable *function_table;      /* function symbol table */
 156         HashTable *class_table;         /* class table */
 157         HashTable *zend_constants;      /* constants table */
 158 
 159         zval          *vm_stack_top;
 160         zval          *vm_stack_end;
 161         zend_vm_stack  vm_stack;
 162 
 163         struct _zend_execute_data *current_execute_data;
 164         zend_class_entry *scope;
 165 
 166         zend_long precision;
 167 
 168         int ticks_count;
 169 
 170         HashTable *in_autoload;
 171         zend_function *autoload_func;
 172         zend_bool full_tables_cleanup;
 173 
 174         /* for extended information support */
 175         zend_bool no_extensions;
 176 
 177 #ifdef ZEND_WIN32
 178         zend_bool timed_out;
 179         OSVERSIONINFOEX windows_version_info;
 180 #endif
 181 
 182         HashTable regular_list;
 183         HashTable persistent_list;
 184 
 185         int user_error_handler_error_reporting;
 186         zval user_error_handler;
 187         zval user_exception_handler;
 188         zend_stack user_error_handlers_error_reporting;
 189         zend_stack user_error_handlers;
 190         zend_stack user_exception_handlers;
 191 
 192         zend_error_handling_t  error_handling;
 193         zend_class_entry      *exception_class;
 194 
 195         /* timeout support */
 196         zend_long timeout_seconds;
 197 
 198         int lambda_count;
 199 
 200         HashTable *ini_directives;
 201         HashTable *modified_ini_directives;
 202         zend_ini_entry *error_reporting_ini_entry;
 203 
 204         zend_objects_store objects_store;
 205         zend_object *exception, *prev_exception;
 206         const zend_op *opline_before_exception;
 207         zend_op exception_op[3];
 208 
 209         struct _zend_module_entry *current_module;
 210 
 211         zend_bool active;
 212         zend_bool valid_symbol_table;
 213 
 214         zend_long assertions;
 215 
 216         uint32_t           ht_iterators_count;     /* number of allocatd slots */
 217         uint32_t           ht_iterators_used;      /* number of used slots */
 218         HashTableIterator *ht_iterators;
 219         HashTableIterator  ht_iterators_slots[16];
 220 
 221         void *saved_fpu_cw_ptr;
 222 #if XPFPA_HAVE_CW
 223         XPFPA_CW_DATATYPE saved_fpu_cw;
 224 #endif
 225 
 226         zend_function trampoline;
 227         zend_op       call_trampoline_op;
 228 
 229         void *reserved[ZEND_MAX_RESERVED_RESOURCES];
 230 };
 231 
 232 struct _zend_ini_scanner_globals {
 233         zend_file_handle *yy_in;
 234         zend_file_handle *yy_out;
 235 
 236         unsigned int yy_leng;
 237         unsigned char *yy_start;
 238         unsigned char *yy_text;
 239         unsigned char *yy_cursor;
 240         unsigned char *yy_marker;
 241         unsigned char *yy_limit;
 242         int yy_state;
 243         zend_stack state_stack;
 244 
 245         char *filename;
 246         int lineno;
 247 
 248         /* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW, ZEND_INI_SCANNER_TYPED */
 249         int scanner_mode;
 250 };
 251 
 252 typedef enum {
 253         ON_TOKEN,
 254         ON_FEEDBACK,
 255         ON_STOP
 256 } zend_php_scanner_event;
 257 
 258 struct _zend_php_scanner_globals {
 259         zend_file_handle *yy_in;
 260         zend_file_handle *yy_out;
 261 
 262         unsigned int yy_leng;
 263         unsigned char *yy_start;
 264         unsigned char *yy_text;
 265         unsigned char *yy_cursor;
 266         unsigned char *yy_marker;
 267         unsigned char *yy_limit;
 268         int yy_state;
 269         zend_stack state_stack;
 270         zend_ptr_stack heredoc_label_stack;
 271 
 272         /* original (unfiltered) script */
 273         unsigned char *script_org;
 274         size_t script_org_size;
 275 
 276         /* filtered script */
 277         unsigned char *script_filtered;
 278         size_t script_filtered_size;
 279 
 280         /* input/output filters */
 281         zend_encoding_filter input_filter;
 282         zend_encoding_filter output_filter;
 283         const zend_encoding *script_encoding;
 284 
 285         /* initial string length after scanning to first variable */
 286         int scanned_string_len;
 287 
 288         /* hooks */
 289         void (* on_event)(zend_php_scanner_event event, int token, int line);
 290 };
 291 
 292 #endif /* ZEND_GLOBALS_H */
 293 
 294 /*
 295  * Local variables:
 296  * tab-width: 4
 297  * c-basic-offset: 4
 298  * indent-tabs-mode: t
 299  * End:
 300  */

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