1 /* 2 +----------------------------------------------------------------------+ 3 | Zend Engine | 4 +----------------------------------------------------------------------+ 5 | Copyright (c) 1998-2013 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_COMPILE_H 23 #define ZEND_COMPILE_H 24 25 #include "zend.h" 26 27 #ifdef HAVE_STDARG_H 28 # include <stdarg.h> 29 #endif 30 31 #include "zend_llist.h" 32 33 #define DEBUG_ZEND 0 34 35 #define FREE_PNODE(znode) zval_dtor(&znode->u.constant); 36 37 #define SET_UNUSED(op) (op).op_type = IS_UNUSED 38 39 #define INC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { ((op_array)->backpatch_count++); } 40 #define DEC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { ((op_array)->backpatch_count--); } 41 #define HANDLE_INTERACTIVE() if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); } 42 #define DO_TICKS() if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); } 43 44 #define RESET_DOC_COMMENT() \ 45 { \ 46 if (CG(doc_comment)) { \ 47 efree(CG(doc_comment)); \ 48 CG(doc_comment) = NULL; \ 49 } \ 50 CG(doc_comment_len) = 0; \ 51 } 52 53 typedef struct _zend_op_array zend_op_array; 54 typedef struct _zend_op zend_op; 55 56 typedef struct _znode { 57 int op_type; 58 union { 59 zval constant; 60 61 zend_uint var; 62 zend_uint opline_num; /* Needs to be signed */ 63 zend_op_array *op_array; 64 zend_op *jmp_addr; 65 struct { 66 zend_uint var; /* dummy */ 67 zend_uint type; 68 } EA; 69 } u; 70 } znode; 71 72 typedef struct _zend_execute_data zend_execute_data; 73 74 #define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC 75 #define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC 76 77 typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS); 78 typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS); 79 80 extern ZEND_API opcode_handler_t *zend_opcode_handlers; 81 82 struct _zend_op { 83 opcode_handler_t handler; 84 znode result; 85 znode op1; 86 znode op2; 87 ulong extended_value; 88 uint lineno; 89 zend_uchar opcode; 90 }; 91 92 93 typedef struct _zend_brk_cont_element { 94 int start; 95 int cont; 96 int brk; 97 int parent; 98 } zend_brk_cont_element; 99 100 typedef struct _zend_label { 101 int brk_cont; 102 zend_uint opline_num; 103 } zend_label; 104 105 typedef struct _zend_try_catch_element { 106 zend_uint try_op; 107 zend_uint catch_op; /* ketchup! */ 108 } zend_try_catch_element; 109 110 111 /* method flags (types) */ 112 #define ZEND_ACC_STATIC 0x01 113 #define ZEND_ACC_ABSTRACT 0x02 114 #define ZEND_ACC_FINAL 0x04 115 #define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08 116 117 /* class flags (types) */ 118 /* ZEND_ACC_IMPLICIT_ABSTRACT_CLASS is used for abstract classes (since it is set by any abstract method even interfaces MAY have it set, too). */ 119 /* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */ 120 #define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10 121 #define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20 122 #define ZEND_ACC_FINAL_CLASS 0x40 123 #define ZEND_ACC_INTERFACE 0x80 124 125 /* op_array flags */ 126 #define ZEND_ACC_INTERACTIVE 0x10 127 128 /* method flags (visibility) */ 129 /* The order of those must be kept - public < protected < private */ 130 #define ZEND_ACC_PUBLIC 0x100 131 #define ZEND_ACC_PROTECTED 0x200 132 #define ZEND_ACC_PRIVATE 0x400 133 #define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE) 134 135 #define ZEND_ACC_CHANGED 0x800 136 #define ZEND_ACC_IMPLICIT_PUBLIC 0x1000 137 138 /* method flags (special method detection) */ 139 #define ZEND_ACC_CTOR 0x2000 140 #define ZEND_ACC_DTOR 0x4000 141 #define ZEND_ACC_CLONE 0x8000 142 143 /* method flag (bc only), any method that has this flag can be used statically and non statically. */ 144 #define ZEND_ACC_ALLOW_STATIC 0x10000 145 146 /* shadow of parent's private method/property */ 147 #define ZEND_ACC_SHADOW 0x20000 148 149 /* deprecation flag */ 150 #define ZEND_ACC_DEPRECATED 0x40000 151 152 /* class implement interface(s) flag */ 153 #define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000 154 155 #define ZEND_ACC_CLOSURE 0x100000 156 157 /* function flag for internal user call handlers __call, __callstatic */ 158 #define ZEND_ACC_CALL_VIA_HANDLER 0x200000 159 160 char *zend_visibility_string(zend_uint fn_flags); 161 162 163 typedef struct _zend_property_info { 164 zend_uint flags; 165 char *name; 166 int name_length; 167 ulong h; 168 char *doc_comment; 169 int doc_comment_len; 170 zend_class_entry *ce; 171 } zend_property_info; 172 173 174 typedef struct _zend_arg_info { 175 const char *name; 176 zend_uint name_len; 177 const char *class_name; 178 zend_uint class_name_len; 179 zend_bool array_type_hint; 180 zend_bool allow_null; 181 zend_bool pass_by_reference; 182 zend_bool return_reference; 183 int required_num_args; 184 } zend_arg_info; 185 186 typedef struct _zend_compiled_variable { 187 char *name; 188 int name_len; 189 ulong hash_value; 190 } zend_compiled_variable; 191 192 struct _zend_op_array { 193 /* Common elements */ 194 zend_uchar type; 195 char *function_name; 196 zend_class_entry *scope; 197 zend_uint fn_flags; 198 union _zend_function *prototype; 199 zend_uint num_args; 200 zend_uint required_num_args; 201 zend_arg_info *arg_info; 202 zend_bool pass_rest_by_reference; 203 unsigned char return_reference; 204 /* END of common elements */ 205 206 zend_bool done_pass_two; 207 208 zend_uint *refcount; 209 210 zend_op *opcodes; 211 zend_uint last, size; 212 213 zend_compiled_variable *vars; 214 int last_var, size_var; 215 216 zend_uint T; 217 218 zend_brk_cont_element *brk_cont_array; 219 int last_brk_cont; 220 int current_brk_cont; 221 222 zend_try_catch_element *try_catch_array; 223 int last_try_catch; 224 225 /* static variables support */ 226 HashTable *static_variables; 227 228 zend_op *start_op; 229 int backpatch_count; 230 231 zend_uint this_var; 232 233 char *filename; 234 zend_uint line_start; 235 zend_uint line_end; 236 char *doc_comment; 237 zend_uint doc_comment_len; 238 zend_uint early_binding; /* the linked list of delayed declarations */ 239 240 void *reserved[ZEND_MAX_RESERVED_RESOURCES]; 241 }; 242 243 244 #define ZEND_RETURN_VALUE 0 245 #define ZEND_RETURN_REFERENCE 1 246 247 typedef struct _zend_internal_function { 248 /* Common elements */ 249 zend_uchar type; 250 char * function_name; 251 zend_class_entry *scope; 252 zend_uint fn_flags; 253 union _zend_function *prototype; 254 zend_uint num_args; 255 zend_uint required_num_args; 256 zend_arg_info *arg_info; 257 zend_bool pass_rest_by_reference; 258 unsigned char return_reference; 259 /* END of common elements */ 260 261 void (*handler)(INTERNAL_FUNCTION_PARAMETERS); 262 struct _zend_module_entry *module; 263 } zend_internal_function; 264 265 #define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "") 266 267 typedef union _zend_function { 268 zend_uchar type; /* MUST be the first element of this struct! */ 269 270 struct { 271 zend_uchar type; /* never used */ 272 char *function_name; 273 zend_class_entry *scope; 274 zend_uint fn_flags; 275 union _zend_function *prototype; 276 zend_uint num_args; 277 zend_uint required_num_args; 278 zend_arg_info *arg_info; 279 zend_bool pass_rest_by_reference; 280 unsigned char return_reference; 281 } common; 282 283 zend_op_array op_array; 284 zend_internal_function internal_function; 285 } zend_function; 286 287 288 typedef struct _zend_function_state { 289 zend_function *function; 290 void **arguments; 291 } zend_function_state; 292 293 294 typedef struct _zend_switch_entry { 295 znode cond; 296 int default_case; 297 int control_var; 298 } zend_switch_entry; 299 300 301 typedef struct _list_llist_element { 302 znode var; 303 zend_llist dimensions; 304 znode value; 305 } list_llist_element; 306 307 union _temp_variable; 308 309 struct _zend_execute_data { 310 struct _zend_op *opline; 311 zend_function_state function_state; 312 zend_function *fbc; /* Function Being Called */ 313 zend_class_entry *called_scope; 314 zend_op_array *op_array; 315 zval *object; 316 union _temp_variable *Ts; 317 zval ***CVs; 318 HashTable *symbol_table; 319 struct _zend_execute_data *prev_execute_data; 320 zval *old_error_reporting; 321 zend_bool nested; 322 zval **original_return_value; 323 zend_class_entry *current_scope; 324 zend_class_entry *current_called_scope; 325 zval *current_this; 326 zval *current_object; 327 struct _zend_op *call_opline; 328 }; 329 330 #define EX(element) execute_data.element 331 332 333 #define IS_CONST (1<<0) 334 #define IS_TMP_VAR (1<<1) 335 #define IS_VAR (1<<2) 336 #define IS_UNUSED (1<<3) /* Unused variable */ 337 #define IS_CV (1<<4) /* Compiled variable */ 338 339 #define EXT_TYPE_UNUSED (1<<0) 340 #define EXT_TYPE_FREE_ON_RETURN (2<<0) 341 342 #include "zend_globals.h" 343 344 BEGIN_EXTERN_C() 345 346 void init_compiler(TSRMLS_D); 347 void shutdown_compiler(TSRMLS_D); 348 void zend_init_compiler_data_structures(TSRMLS_D); 349 350 extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC); 351 extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC); 352 353 ZEND_API int lex_scan(zval *zendlval TSRMLS_DC); 354 void startup_scanner(TSRMLS_D); 355 void shutdown_scanner(TSRMLS_D); 356 357 ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC); 358 ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC); 359 ZEND_API char *zend_get_compiled_filename(TSRMLS_D); 360 ZEND_API int zend_get_compiled_lineno(TSRMLS_D); 361 ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D); 362 363 void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC); 364 void zend_resolve_class_name(znode *class_name, ulong *fetch_type, int check_ns_name TSRMLS_DC); 365 ZEND_API char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len); 366 367 #ifdef ZTS 368 const char *zend_get_zendtext(TSRMLS_D); 369 int zend_get_zendleng(TSRMLS_D); 370 #endif 371 372 373 /* parser-driven code generators */ 374 void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC); 375 void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC); 376 void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC); 377 void zend_do_assign(znode *result, znode *variable, const znode *value TSRMLS_DC); 378 void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC); 379 void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC); 380 void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC); 381 void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC); 382 void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC); 383 void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC); 384 385 void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC); 386 void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC); 387 void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC); 388 void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC); 389 void zend_do_print(znode *result, const znode *arg TSRMLS_DC); 390 void zend_do_echo(const znode *arg TSRMLS_DC); 391 typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC); 392 typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC); 393 ZEND_API unary_op_type get_unary_op(int opcode); 394 ZEND_API binary_op_type get_binary_op(int opcode); 395 396 void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC); 397 void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC); 398 void zend_do_do_while_begin(TSRMLS_D); 399 void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC); 400 401 402 void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC); 403 void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC); 404 void zend_do_if_end(TSRMLS_D); 405 406 void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC); 407 void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC); 408 void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC); 409 410 void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC); 411 void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC); 412 413 void zend_do_begin_variable_parse(TSRMLS_D); 414 void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC); 415 416 void zend_check_writable_variable(const znode *variable); 417 418 void zend_do_free(znode *op1 TSRMLS_DC); 419 420 void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC); 421 void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC); 422 423 int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier); 424 void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC); 425 void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC); 426 void zend_do_receive_arg(zend_uchar op, const znode *var, const znode *offset, const znode *initialization, znode *class_type, const znode *varname, zend_bool pass_by_reference TSRMLS_DC); 427 int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC); 428 void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC); 429 void zend_do_clone(znode *result, const znode *expr TSRMLS_DC); 430 void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC); 431 void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC); 432 void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC); 433 int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC); 434 void zend_do_end_function_call(znode *function_name, znode *result, const znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC); 435 void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC); 436 void zend_do_handle_exception(TSRMLS_D); 437 438 void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference TSRMLS_DC); 439 void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC); 440 441 void zend_do_try(znode *try_token TSRMLS_DC); 442 void zend_do_begin_catch(znode *try_token, znode *catch_class, const znode *catch_var, znode *first_catch TSRMLS_DC); 443 void zend_do_end_catch(const znode *try_token TSRMLS_DC); 444 void zend_do_throw(const znode *expr TSRMLS_DC); 445 446 ZEND_API int do_bind_function(zend_op *opline, HashTable *function_table, zend_bool compile_time); 447 ZEND_API zend_class_entry *do_bind_class(const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC); 448 ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC); 449 ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC); 450 ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC); 451 void zend_do_implements_interface(znode *interface_znode TSRMLS_DC); 452 453 ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC); 454 void zend_do_early_binding(TSRMLS_D); 455 ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC); 456 457 void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC); 458 459 460 void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC); 461 void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC); 462 void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC); 463 void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC); 464 465 void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC); 466 467 void zend_do_switch_cond(const znode *cond TSRMLS_DC); 468 void zend_do_switch_end(const znode *case_list TSRMLS_DC); 469 void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC); 470 void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC); 471 void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC); 472 473 void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC); 474 void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC); 475 void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC); 476 void zend_do_declare_implicit_property(TSRMLS_D); 477 void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC); 478 479 void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC); 480 481 void zend_do_halt_compiler_register(TSRMLS_D); 482 483 void zend_do_push_object(const znode *object TSRMLS_DC); 484 void zend_do_pop_object(znode *object TSRMLS_DC); 485 486 487 void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC); 488 void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC); 489 490 void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC); 491 492 void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC); 493 494 void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC); 495 void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC); 496 void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr); 497 void zend_do_list_init(TSRMLS_D); 498 void zend_do_list_end(znode *result, znode *expr TSRMLS_DC); 499 void zend_do_add_list_element(const znode *element TSRMLS_DC); 500 void zend_do_new_list_begin(TSRMLS_D); 501 void zend_do_new_list_end(TSRMLS_D); 502 503 void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC); 504 void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC); 505 506 void zend_do_unset(const znode *variable TSRMLS_DC); 507 void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC); 508 509 void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC); 510 511 void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC); 512 void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC); 513 void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC); 514 515 void zend_do_declare_begin(TSRMLS_D); 516 void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC); 517 void zend_do_declare_end(const znode *declare_token TSRMLS_DC); 518 519 void zend_do_exit(znode *result, const znode *message TSRMLS_DC); 520 521 void zend_do_begin_silence(znode *strudel_token TSRMLS_DC); 522 void zend_do_end_silence(const znode *strudel_token TSRMLS_DC); 523 524 void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC); 525 void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC); 526 527 void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC); 528 void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC); 529 void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC); 530 531 void zend_do_extended_info(TSRMLS_D); 532 void zend_do_extended_fcall_begin(TSRMLS_D); 533 void zend_do_extended_fcall_end(TSRMLS_D); 534 535 void zend_do_ticks(TSRMLS_D); 536 537 void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC); 538 539 void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC); 540 void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC); 541 void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC); 542 void zend_do_end_namespace(TSRMLS_D); 543 void zend_verify_namespace(TSRMLS_D); 544 void zend_do_use(znode *name, znode *new_name, int is_global TSRMLS_DC); 545 void zend_do_end_compilation(TSRMLS_D); 546 547 void zend_do_label(znode *label TSRMLS_DC); 548 void zend_do_goto(const znode *label TSRMLS_DC); 549 void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC); 550 void zend_release_labels(TSRMLS_D); 551 552 ZEND_API void function_add_ref(zend_function *function); 553 554 #define INITIAL_OP_ARRAY_SIZE 64 555 556 557 /* helper functions in zend_language_scanner.l */ 558 ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC); 559 ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC); 560 ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC); 561 ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...); 562 ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC); 563 ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC); 564 ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC); 565 ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC); 566 ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC); 567 ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC); 568 ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC); 569 570 ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC); 571 ZEND_API void zend_function_dtor(zend_function *function); 572 ZEND_API void destroy_zend_class(zend_class_entry **pce); 573 void zend_class_add_ref(zend_class_entry **ce); 574 575 ZEND_API void zend_mangle_property_name(char **dest, int *dest_length, const char *src1, int src1_length, const char *src2, int src2_length, int internal); 576 ZEND_API int zend_unmangle_property_name(char *mangled_property, int mangled_property_len, char **prop_name, char **class_name); 577 578 #define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor 579 #define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class 580 581 zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC); 582 void init_op(zend_op *op TSRMLS_DC); 583 int get_next_op_number(zend_op_array *op_array); 584 int print_class(zend_class_entry *class_entry TSRMLS_DC); 585 void print_op_array(zend_op_array *op_array, int optimizations); 586 ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC); 587 zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array); 588 void zend_do_first_catch(znode *open_parentheses TSRMLS_DC); 589 void zend_initialize_try_catch_element(const znode *try_token TSRMLS_DC); 590 void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC); 591 ZEND_API zend_bool zend_is_compiling(TSRMLS_D); 592 ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC); 593 ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC); 594 int zend_get_class_fetch_type(const char *class_name, uint class_name_len); 595 596 typedef zend_bool (*zend_auto_global_callback)(char *name, uint name_len TSRMLS_DC); 597 typedef struct _zend_auto_global { 598 char *name; 599 uint name_len; 600 zend_auto_global_callback auto_global_callback; 601 zend_bool armed; 602 } zend_auto_global; 603 604 void zend_auto_global_dtor(zend_auto_global *auto_global); 605 ZEND_API int zend_register_auto_global(const char *name, uint name_len, zend_auto_global_callback auto_global_callback TSRMLS_DC); 606 ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC); 607 ZEND_API int zend_auto_global_disable_jit(const char *varname, zend_uint varname_length TSRMLS_DC); 608 ZEND_API size_t zend_dirname(char *path, size_t len); 609 610 int zendlex(znode *zendlval TSRMLS_DC); 611 612 /* BEGIN: OPCODES */ 613 614 #include "zend_vm_opcodes.h" 615 616 #define ZEND_OP_DATA 137 617 618 /* END: OPCODES */ 619 620 621 622 623 /* global/local fetches */ 624 #define ZEND_FETCH_GLOBAL 0 625 #define ZEND_FETCH_LOCAL 1 626 #define ZEND_FETCH_STATIC 2 627 #define ZEND_FETCH_STATIC_MEMBER 3 628 #define ZEND_FETCH_GLOBAL_LOCK 4 629 #define ZEND_FETCH_LEXICAL 5 630 631 632 /* class fetches */ 633 #define ZEND_FETCH_CLASS_DEFAULT 0 634 #define ZEND_FETCH_CLASS_SELF 1 635 #define ZEND_FETCH_CLASS_PARENT 2 636 #define ZEND_FETCH_CLASS_MAIN 3 637 #define ZEND_FETCH_CLASS_GLOBAL 4 638 #define ZEND_FETCH_CLASS_AUTO 5 639 #define ZEND_FETCH_CLASS_INTERFACE 6 640 #define ZEND_FETCH_CLASS_STATIC 7 641 #define ZEND_FETCH_CLASS_MASK 0x0f 642 #define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80 643 #define ZEND_FETCH_CLASS_SILENT 0x0100 644 645 /* variable parsing type (compile-time) */ 646 #define ZEND_PARSED_MEMBER (1<<0) 647 #define ZEND_PARSED_METHOD_CALL (1<<1) 648 #define ZEND_PARSED_STATIC_MEMBER (1<<2) 649 #define ZEND_PARSED_FUNCTION_CALL (1<<3) 650 #define ZEND_PARSED_VARIABLE (1<<4) 651 #define ZEND_PARSED_REFERENCE_VARIABLE (1<<5) 652 #define ZEND_PARSED_NEW (1<<6) 653 654 655 /* unset types */ 656 #define ZEND_UNSET_REG 0 657 658 /* var status for backpatching */ 659 #define BP_VAR_R 0 660 #define BP_VAR_W 1 661 #define BP_VAR_RW 2 662 #define BP_VAR_IS 3 663 #define BP_VAR_NA 4 /* if not applicable */ 664 #define BP_VAR_FUNC_ARG 5 665 #define BP_VAR_UNSET 6 666 667 668 #define ZEND_INTERNAL_FUNCTION 1 669 #define ZEND_USER_FUNCTION 2 670 #define ZEND_OVERLOADED_FUNCTION 3 671 #define ZEND_EVAL_CODE 4 672 #define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5 673 674 #define ZEND_INTERNAL_CLASS 1 675 #define ZEND_USER_CLASS 2 676 677 #define ZEND_EVAL (1<<0) 678 #define ZEND_INCLUDE (1<<1) 679 #define ZEND_INCLUDE_ONCE (1<<2) 680 #define ZEND_REQUIRE (1<<3) 681 #define ZEND_REQUIRE_ONCE (1<<4) 682 683 #define ZEND_ISSET (1<<0) 684 #define ZEND_ISEMPTY (1<<1) 685 #define ZEND_ISSET_ISEMPTY_MASK (ZEND_ISSET | ZEND_ISEMPTY) 686 #define ZEND_QUICK_SET (1<<2) 687 688 #define ZEND_CT (1<<0) 689 #define ZEND_RT (1<<1) 690 691 #define ZEND_FETCH_STANDARD 0x00000000 692 #define ZEND_FETCH_ADD_LOCK 0x08000000 693 #define ZEND_FETCH_MAKE_REF 0x04000000 694 695 #define ZEND_FE_FETCH_BYREF 1 696 #define ZEND_FE_FETCH_WITH_KEY 2 697 698 #define ZEND_FE_RESET_VARIABLE 1 699 #define ZEND_FE_RESET_REFERENCE 2 700 701 #define ZEND_MEMBER_FUNC_CALL 1<<0 702 703 #define ZEND_ARG_SEND_BY_REF (1<<0) 704 #define ZEND_ARG_COMPILE_TIME_BOUND (1<<1) 705 #define ZEND_ARG_SEND_FUNCTION (1<<2) 706 #define ZEND_ARG_SEND_SILENT (1<<3) 707 708 #define ZEND_SEND_BY_VAL 0 709 #define ZEND_SEND_BY_REF 1 710 #define ZEND_SEND_PREFER_REF 2 711 712 #define ARG_SEND_TYPE(zf, arg_num) \ 713 ((zf) ? \ 714 ((((zend_function*)(zf))->common.arg_info && \ 715 arg_num<=((zend_function*)(zf))->common.num_args) ? \ 716 ((zend_function *)(zf))->common.arg_info[arg_num-1].pass_by_reference : \ 717 ((zend_function *)(zf))->common.pass_rest_by_reference) : \ 718 ZEND_SEND_BY_VAL) 719 720 #define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \ 721 (ARG_SEND_TYPE(zf, arg_num) == ZEND_SEND_BY_REF) 722 723 #define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \ 724 (ARG_SEND_TYPE(zf, arg_num) & (ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)) 725 726 #define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \ 727 (ARG_SEND_TYPE(zf, arg_num) == ZEND_SEND_PREFER_REF) 728 729 #define ZEND_RETURN_VAL 0 730 #define ZEND_RETURN_REF 1 731 732 733 #define ZEND_RETURNS_FUNCTION 1<<0 734 #define ZEND_RETURNS_NEW 1<<1 735 736 END_EXTERN_C() 737 738 #define ZEND_CLONE_FUNC_NAME "__clone" 739 #define ZEND_CONSTRUCTOR_FUNC_NAME "__construct" 740 #define ZEND_DESTRUCTOR_FUNC_NAME "__destruct" 741 #define ZEND_GET_FUNC_NAME "__get" 742 #define ZEND_SET_FUNC_NAME "__set" 743 #define ZEND_UNSET_FUNC_NAME "__unset" 744 #define ZEND_ISSET_FUNC_NAME "__isset" 745 #define ZEND_CALL_FUNC_NAME "__call" 746 #define ZEND_CALLSTATIC_FUNC_NAME "__callstatic" 747 #define ZEND_TOSTRING_FUNC_NAME "__tostring" 748 #define ZEND_AUTOLOAD_FUNC_NAME "__autoload" 749 750 /* The following constants may be combined in CG(compiler_options) 751 * to change the default compiler behavior */ 752 753 /* generate extended debug information */ 754 #define ZEND_COMPILE_EXTENDED_INFO (1<<0) 755 756 /* call op_array handler of extendions */ 757 #define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<1) 758 759 /* generate ZEND_DO_FCALL_BY_NAME for internal functions instead of ZEND_DO_FCALL */ 760 #define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2) 761 762 /* don't perform early binding for classes inherited form internal ones; 763 * in namespaces assume that internal class that doesn't exist at compile-time 764 * may apper in run-time */ 765 #define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<3) 766 767 /* generate ZEND_DECLARE_INHERITED_CLASS_DELAYED opcode to delay early binding */ 768 #define ZEND_COMPILE_DELAYED_BINDING (1<<4) 769 770 /* disable constant substitution at compile-time */ 771 #define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<5) 772 773 /* The default value for CG(compiler_options) */ 774 #define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY 775 776 /* The default value for CG(compiler_options) during eval() */ 777 #define ZEND_COMPILE_DEFAULT_FOR_EVAL 0 778 779 #endif /* ZEND_COMPILE_H */ 780 781 /* 782 * Local variables: 783 * tab-width: 4 784 * c-basic-offset: 4 785 * indent-tabs-mode: t 786 * End: 787 */ 788
