1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2018 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 uint32_t extra_fn_flags; 105 106 uint32_t compiler_options; /* set of ZEND_COMPILE_* constants */ 107 108 HashTable const_filenames; 109 110 zend_oparray_context context; 111 zend_file_context file_context; 112 113 zend_arena *arena; 114 115 zend_string *empty_string; 116 zend_string *one_char_string[256]; 117 zend_string **known_strings; 118 uint32_t known_strings_count; 119 120 HashTable interned_strings; 121 122 const zend_encoding **script_encoding_list; 123 size_t script_encoding_list_size; 124 zend_bool multibyte; 125 zend_bool detect_unicode; 126 zend_bool encoding_declared; 127 128 zend_ast *ast; 129 zend_arena *ast_arena; 130 131 zend_stack delayed_oplines_stack; 132 133 #ifdef ZTS 134 zval **static_members_table; 135 int last_static_member; 136 #endif 137 }; 138 139 140 struct _zend_executor_globals { 141 zval uninitialized_zval; 142 zval error_zval; 143 144 /* symbol table cache */ 145 zend_array *symtable_cache[SYMTABLE_CACHE_SIZE]; 146 zend_array **symtable_cache_limit; 147 zend_array **symtable_cache_ptr; 148 149 zend_array symbol_table; /* main symbol table */ 150 151 HashTable included_files; /* files already included */ 152 153 JMP_BUF *bailout; 154 155 int error_reporting; 156 int exit_status; 157 158 HashTable *function_table; /* function symbol table */ 159 HashTable *class_table; /* class table */ 160 HashTable *zend_constants; /* constants table */ 161 162 zval *vm_stack_top; 163 zval *vm_stack_end; 164 zend_vm_stack vm_stack; 165 166 struct _zend_execute_data *current_execute_data; 167 zend_class_entry *fake_scope; /* used to avoid checks accessing properties */ 168 169 zend_long precision; 170 171 int ticks_count; 172 173 HashTable *in_autoload; 174 zend_function *autoload_func; 175 zend_bool full_tables_cleanup; 176 177 /* for extended information support */ 178 zend_bool no_extensions; 179 180 zend_bool vm_interrupt; 181 zend_bool timed_out; 182 zend_long hard_timeout; 183 184 #ifdef ZEND_WIN32 185 OSVERSIONINFOEX windows_version_info; 186 #endif 187 188 HashTable regular_list; 189 HashTable persistent_list; 190 191 int user_error_handler_error_reporting; 192 zval user_error_handler; 193 zval user_exception_handler; 194 zend_stack user_error_handlers_error_reporting; 195 zend_stack user_error_handlers; 196 zend_stack user_exception_handlers; 197 198 zend_error_handling_t error_handling; 199 zend_class_entry *exception_class; 200 201 /* timeout support */ 202 zend_long timeout_seconds; 203 204 int lambda_count; 205 206 HashTable *ini_directives; 207 HashTable *modified_ini_directives; 208 zend_ini_entry *error_reporting_ini_entry; 209 210 zend_objects_store objects_store; 211 zend_object *exception, *prev_exception; 212 const zend_op *opline_before_exception; 213 zend_op exception_op[3]; 214 215 struct _zend_module_entry *current_module; 216 217 zend_bool active; 218 zend_bool valid_symbol_table; 219 220 zend_long assertions; 221 222 uint32_t ht_iterators_count; /* number of allocatd slots */ 223 uint32_t ht_iterators_used; /* number of used slots */ 224 HashTableIterator *ht_iterators; 225 HashTableIterator ht_iterators_slots[16]; 226 227 void *saved_fpu_cw_ptr; 228 #if XPFPA_HAVE_CW 229 XPFPA_CW_DATATYPE saved_fpu_cw; 230 #endif 231 232 zend_function trampoline; 233 zend_op call_trampoline_op; 234 235 void *reserved[ZEND_MAX_RESERVED_RESOURCES]; 236 }; 237 238 struct _zend_ini_scanner_globals { 239 zend_file_handle *yy_in; 240 zend_file_handle *yy_out; 241 242 unsigned int yy_leng; 243 unsigned char *yy_start; 244 unsigned char *yy_text; 245 unsigned char *yy_cursor; 246 unsigned char *yy_marker; 247 unsigned char *yy_limit; 248 int yy_state; 249 zend_stack state_stack; 250 251 char *filename; 252 int lineno; 253 254 /* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW, ZEND_INI_SCANNER_TYPED */ 255 int scanner_mode; 256 }; 257 258 typedef enum { 259 ON_TOKEN, 260 ON_FEEDBACK, 261 ON_STOP 262 } zend_php_scanner_event; 263 264 struct _zend_php_scanner_globals { 265 zend_file_handle *yy_in; 266 zend_file_handle *yy_out; 267 268 unsigned int yy_leng; 269 unsigned char *yy_start; 270 unsigned char *yy_text; 271 unsigned char *yy_cursor; 272 unsigned char *yy_marker; 273 unsigned char *yy_limit; 274 int yy_state; 275 zend_stack state_stack; 276 zend_ptr_stack heredoc_label_stack; 277 278 /* original (unfiltered) script */ 279 unsigned char *script_org; 280 size_t script_org_size; 281 282 /* filtered script */ 283 unsigned char *script_filtered; 284 size_t script_filtered_size; 285 286 /* input/output filters */ 287 zend_encoding_filter input_filter; 288 zend_encoding_filter output_filter; 289 const zend_encoding *script_encoding; 290 291 /* initial string length after scanning to first variable */ 292 int scanned_string_len; 293 294 /* hooks */ 295 void (*on_event)(zend_php_scanner_event event, int token, int line, void *context); 296 void *on_event_context; 297 }; 298 299 #endif /* ZEND_GLOBALS_H */ 300 301 /* 302 * Local variables: 303 * tab-width: 4 304 * c-basic-offset: 4 305 * indent-tabs-mode: t 306 * End: 307 */ 308
