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 *auto_globals; 81 82 /* Refer to zend_yytnamerr() in zend_language_parser.y for meaning of values */ 83 zend_uchar parse_error; 84 zend_bool in_compilation; 85 zend_bool short_tags; 86 87 zend_bool unclean_shutdown; 88 89 zend_bool ini_parser_unbuffered_errors; 90 91 zend_llist open_files; 92 93 struct _zend_ini_parser_param *ini_parser_param; 94 95 zend_bool skip_shebang; 96 zend_bool increment_lineno; 97 98 zend_string *doc_comment; 99 uint32_t extra_fn_flags; 100 101 uint32_t compiler_options; /* set of ZEND_COMPILE_* constants */ 102 103 zend_oparray_context context; 104 zend_file_context file_context; 105 106 zend_arena *arena; 107 108 HashTable interned_strings; 109 110 const zend_encoding **script_encoding_list; 111 size_t script_encoding_list_size; 112 zend_bool multibyte; 113 zend_bool detect_unicode; 114 zend_bool encoding_declared; 115 116 zend_ast *ast; 117 zend_arena *ast_arena; 118 119 zend_stack delayed_oplines_stack; 120 HashTable *memoized_exprs; 121 int memoize_mode; 122 123 void *map_ptr_base; 124 size_t map_ptr_size; 125 size_t map_ptr_last; 126 127 HashTable *delayed_variance_obligations; 128 HashTable *delayed_autoloads; 129 130 uint32_t rtd_key_counter; 131 132 zend_stack short_circuiting_opnums; 133 }; 134 135 136 struct _zend_executor_globals { 137 zval uninitialized_zval; 138 zval error_zval; 139 140 /* symbol table cache */ 141 zend_array *symtable_cache[SYMTABLE_CACHE_SIZE]; 142 /* Pointer to one past the end of the symtable_cache */ 143 zend_array **symtable_cache_limit; 144 /* Pointer to first unused symtable_cache slot */ 145 zend_array **symtable_cache_ptr; 146 147 zend_array symbol_table; /* main symbol table */ 148 149 HashTable included_files; /* files already included */ 150 151 JMP_BUF *bailout; 152 153 int error_reporting; 154 int exit_status; 155 156 HashTable *function_table; /* function symbol table */ 157 HashTable *class_table; /* class table */ 158 HashTable *zend_constants; /* constants table */ 159 160 zval *vm_stack_top; 161 zval *vm_stack_end; 162 zend_vm_stack vm_stack; 163 size_t vm_stack_page_size; 164 165 struct _zend_execute_data *current_execute_data; 166 zend_class_entry *fake_scope; /* used to avoid checks accessing properties */ 167 168 uint32_t jit_trace_num; /* Used by tracing JIT to reference the currently running trace */ 169 170 zend_long precision; 171 172 int ticks_count; 173 174 uint32_t persistent_constants_count; 175 uint32_t persistent_functions_count; 176 uint32_t persistent_classes_count; 177 178 HashTable *in_autoload; 179 zend_bool full_tables_cleanup; 180 181 /* for extended information support */ 182 zend_bool no_extensions; 183 184 zend_bool vm_interrupt; 185 zend_bool timed_out; 186 zend_long hard_timeout; 187 188 #ifdef ZEND_WIN32 189 OSVERSIONINFOEX windows_version_info; 190 #endif 191 192 HashTable regular_list; 193 HashTable persistent_list; 194 195 int user_error_handler_error_reporting; 196 zval user_error_handler; 197 zval user_exception_handler; 198 zend_stack user_error_handlers_error_reporting; 199 zend_stack user_error_handlers; 200 zend_stack user_exception_handlers; 201 202 zend_error_handling_t error_handling; 203 zend_class_entry *exception_class; 204 205 /* timeout support */ 206 zend_long timeout_seconds; 207 208 int lambda_count; 209 210 HashTable *ini_directives; 211 HashTable *modified_ini_directives; 212 zend_ini_entry *error_reporting_ini_entry; 213 214 zend_objects_store objects_store; 215 zend_object *exception, *prev_exception; 216 const zend_op *opline_before_exception; 217 zend_op exception_op[3]; 218 219 struct _zend_module_entry *current_module; 220 221 zend_bool active; 222 zend_uchar flags; 223 224 zend_long assertions; 225 226 uint32_t ht_iterators_count; /* number of allocatd slots */ 227 uint32_t ht_iterators_used; /* number of used slots */ 228 HashTableIterator *ht_iterators; 229 HashTableIterator ht_iterators_slots[16]; 230 231 void *saved_fpu_cw_ptr; 232 #if XPFPA_HAVE_CW 233 XPFPA_CW_DATATYPE saved_fpu_cw; 234 #endif 235 236 zend_function trampoline; 237 zend_op call_trampoline_op; 238 239 HashTable weakrefs; 240 241 zend_bool exception_ignore_args; 242 zend_long exception_string_param_max_len; 243 244 zend_get_gc_buffer get_gc_buffer; 245 246 void *reserved[ZEND_MAX_RESERVED_RESOURCES]; 247 }; 248 249 #define EG_FLAGS_INITIAL (0) 250 #define EG_FLAGS_IN_SHUTDOWN (1<<0) 251 #define EG_FLAGS_OBJECT_STORE_NO_REUSE (1<<1) 252 #define EG_FLAGS_IN_RESOURCE_SHUTDOWN (1<<2) 253 254 struct _zend_ini_scanner_globals { 255 zend_file_handle *yy_in; 256 zend_file_handle *yy_out; 257 258 unsigned int yy_leng; 259 unsigned char *yy_start; 260 unsigned char *yy_text; 261 unsigned char *yy_cursor; 262 unsigned char *yy_marker; 263 unsigned char *yy_limit; 264 int yy_state; 265 zend_stack state_stack; 266 267 char *filename; 268 int lineno; 269 270 /* Modes are: ZEND_INI_SCANNER_NORMAL, ZEND_INI_SCANNER_RAW, ZEND_INI_SCANNER_TYPED */ 271 int scanner_mode; 272 }; 273 274 typedef enum { 275 ON_TOKEN, 276 ON_FEEDBACK, 277 ON_STOP 278 } zend_php_scanner_event; 279 280 struct _zend_php_scanner_globals { 281 zend_file_handle *yy_in; 282 zend_file_handle *yy_out; 283 284 unsigned int yy_leng; 285 unsigned char *yy_start; 286 unsigned char *yy_text; 287 unsigned char *yy_cursor; 288 unsigned char *yy_marker; 289 unsigned char *yy_limit; 290 int yy_state; 291 zend_stack state_stack; 292 zend_ptr_stack heredoc_label_stack; 293 zend_stack nest_location_stack; /* for syntax error reporting */ 294 zend_bool heredoc_scan_ahead; 295 int heredoc_indentation; 296 zend_bool heredoc_indentation_uses_spaces; 297 298 /* original (unfiltered) script */ 299 unsigned char *script_org; 300 size_t script_org_size; 301 302 /* filtered script */ 303 unsigned char *script_filtered; 304 size_t script_filtered_size; 305 306 /* input/output filters */ 307 zend_encoding_filter input_filter; 308 zend_encoding_filter output_filter; 309 const zend_encoding *script_encoding; 310 311 /* initial string length after scanning to first variable */ 312 int scanned_string_len; 313 314 /* hooks */ 315 void (*on_event)( 316 zend_php_scanner_event event, int token, int line, 317 const char *text, size_t length, void *context); 318 void *on_event_context; 319 }; 320 321 #endif /* ZEND_GLOBALS_H */ 322
