1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 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@php.net> | 16 | Zeev Suraski <zeev@php.net> | 17 +----------------------------------------------------------------------+ 18 */ 19 20 #ifndef ZEND_GLOBALS_H 21 #define ZEND_GLOBALS_H 22 23 24 #include <setjmp.h> 25 26 #include "zend_globals_macros.h" 27 28 #include "zend_stack.h" 29 #include "zend_ptr_stack.h" 30 #include "zend_hash.h" 31 #include "zend_llist.h" 32 #include "zend_objects.h" 33 #include "zend_objects_API.h" 34 #include "zend_modules.h" 35 #include "zend_float.h" 36 #include "zend_multibyte.h" 37 #include "zend_multiply.h" 38 #include "zend_arena.h" 39 40 /* Define ZTS if you want a thread-safe Zend */ 41 /*#undef ZTS*/ 42 43 #ifdef ZTS 44 45 BEGIN_EXTERN_C() 46 ZEND_API extern int compiler_globals_id; 47 ZEND_API extern int executor_globals_id; 48 ZEND_API extern size_t compiler_globals_offset; 49 ZEND_API extern size_t executor_globals_offset; 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 typedef struct _zend_vm_stack *zend_vm_stack; 63 typedef struct _zend_ini_entry zend_ini_entry; 64 65 66 struct _zend_compiler_globals { 67 zend_stack loop_var_stack; 68 69 zend_class_entry *active_class_entry; 70 71 zend_string *compiled_filename; 72 73 int zend_lineno; 74 75 zend_op_array *active_op_array; 76 77 HashTable *function_table; /* function symbol table */ 78 HashTable *class_table; /* class table */ 79 80 HashTable filenames_table; 81 82 HashTable *auto_globals; 83 84 zend_bool parse_error; 85 zend_bool in_compilation; 86 zend_bool short_tags; 87 88 zend_bool unclean_shutdown; 89 90 zend_bool ini_parser_unbuffered_errors; 91 92 zend_llist open_files; 93 94 struct _zend_ini_parser_param *ini_parser_param; 95 96 zend_bool skip_shebang; 97 zend_bool increment_lineno; 98 99 zend_string *doc_comment; 100 uint32_t extra_fn_flags; 101 102 uint32_t compiler_options; /* set of ZEND_COMPILE_* constants */ 103 104 zend_oparray_context context; 105 zend_file_context file_context; 106 107 zend_arena *arena; 108 109 HashTable interned_strings; 110 111 const zend_encoding **script_encoding_list; 112 size_t script_encoding_list_size; 113 zend_bool multibyte; 114 zend_bool detect_unicode; 115 zend_bool encoding_declared; 116 117 zend_ast *ast; 118 zend_arena *ast_arena; 119 120 zend_stack delayed_oplines_stack; 121 HashTable *memoized_exprs; 122 int memoize_mode; 123 124 void *map_ptr_base; 125 size_t map_ptr_size; 126 size_t map_ptr_last; 127 128 HashTable *delayed_variance_obligations; 129 HashTable *delayed_autoloads; 130 131 uint32_t rtd_key_counter; 132 }; 133 134 135 struct _zend_executor_globals { 136 zval uninitialized_zval; 137 zval error_zval; 138 139 /* symbol table cache */ 140 zend_array *symtable_cache[SYMTABLE_CACHE_SIZE]; 141 /* Pointer to one past the end of the symtable_cache */ 142 zend_array **symtable_cache_limit; 143 /* Pointer to first unused symtable_cache slot */ 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 size_t vm_stack_page_size; 163 164 struct _zend_execute_data *current_execute_data; 165 zend_class_entry *fake_scope; /* used to avoid checks accessing properties */ 166 167 zend_long precision; 168 169 int ticks_count; 170 171 uint32_t persistent_constants_count; 172 uint32_t persistent_functions_count; 173 uint32_t persistent_classes_count; 174 175 HashTable *in_autoload; 176 zend_function *autoload_func; 177 zend_bool full_tables_cleanup; 178 179 /* for extended information support */ 180 zend_bool no_extensions; 181 182 zend_bool vm_interrupt; 183 zend_bool timed_out; 184 zend_long hard_timeout; 185 186 #ifdef ZEND_WIN32 187 OSVERSIONINFOEX windows_version_info; 188 #endif 189 190 HashTable regular_list; 191 HashTable persistent_list; 192 193 int user_error_handler_error_reporting; 194 zval user_error_handler; 195 zval user_exception_handler; 196 zend_stack user_error_handlers_error_reporting; 197 zend_stack user_error_handlers; 198 zend_stack user_exception_handlers; 199 200 zend_error_handling_t error_handling; 201 zend_class_entry *exception_class; 202 203 /* timeout support */ 204 zend_long timeout_seconds; 205 206 int lambda_count; 207 208 HashTable *ini_directives; 209 HashTable *modified_ini_directives; 210 zend_ini_entry *error_reporting_ini_entry; 211 212 zend_objects_store objects_store; 213 zend_object *exception, *prev_exception; 214 const zend_op *opline_before_exception; 215 zend_op exception_op[3]; 216 217 struct _zend_module_entry *current_module; 218 219 zend_bool active; 220 zend_uchar flags; 221 222 zend_long assertions; 223 224 uint32_t ht_iterators_count; /* number of allocatd slots */ 225 uint32_t ht_iterators_used; /* number of used slots */ 226 HashTableIterator *ht_iterators; 227 HashTableIterator ht_iterators_slots[16]; 228 229 void *saved_fpu_cw_ptr; 230 #if XPFPA_HAVE_CW 231 XPFPA_CW_DATATYPE saved_fpu_cw; 232 #endif 233 234 zend_function trampoline; 235 zend_op call_trampoline_op; 236 237 zend_bool each_deprecation_thrown; 238 239 HashTable weakrefs; 240 241 zend_bool exception_ignore_args; 242 243 void *reserved[ZEND_MAX_RESERVED_RESOURCES]; 244 }; 245 246 #define EG_FLAGS_INITIAL (0) 247 #define EG_FLAGS_IN_SHUTDOWN (1<<0) 248 #define EG_FLAGS_OBJECT_STORE_NO_REUSE (1<<1) 249 #define EG_FLAGS_IN_RESOURCE_SHUTDOWN (1<<2) 250 251 struct _zend_ini_scanner_globals { 252 zend_file_handle *yy_in; 253 zend_file_handle *yy_out; 254 255 unsigned int yy_leng; 256 unsigned char *yy_start; 257 unsigned char *yy_text; 258 unsigned char *yy_cursor; 259 unsigned char *yy_marker; 260 unsigned char *yy_limit; 261 int yy_state; 262 zend_stack state_stack; 263 264 char *filename; 265 int lineno; 266 267 /* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW, ZEND_INI_SCANNER_TYPED */ 268 int scanner_mode; 269 }; 270 271 typedef enum { 272 ON_TOKEN, 273 ON_FEEDBACK, 274 ON_STOP 275 } zend_php_scanner_event; 276 277 struct _zend_php_scanner_globals { 278 zend_file_handle *yy_in; 279 zend_file_handle *yy_out; 280 281 unsigned int yy_leng; 282 unsigned char *yy_start; 283 unsigned char *yy_text; 284 unsigned char *yy_cursor; 285 unsigned char *yy_marker; 286 unsigned char *yy_limit; 287 int yy_state; 288 zend_stack state_stack; 289 zend_ptr_stack heredoc_label_stack; 290 zend_bool heredoc_scan_ahead; 291 int heredoc_indentation; 292 zend_bool heredoc_indentation_uses_spaces; 293 294 /* original (unfiltered) script */ 295 unsigned char *script_org; 296 size_t script_org_size; 297 298 /* filtered script */ 299 unsigned char *script_filtered; 300 size_t script_filtered_size; 301 302 /* input/output filters */ 303 zend_encoding_filter input_filter; 304 zend_encoding_filter output_filter; 305 const zend_encoding *script_encoding; 306 307 /* initial string length after scanning to first variable */ 308 int scanned_string_len; 309 310 /* hooks */ 311 void (*on_event)(zend_php_scanner_event event, int token, int line, void *context); 312 void *on_event_context; 313 }; 314 315 #endif /* ZEND_GLOBALS_H */ 316
