Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
branch: PHP-5.4.8
Fetching contributors…

Cannot retrieve contributors at this time

file 869 lines (670 sloc) 33.106 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 1998-2012 Zend Technologies Ltd. (http://www.zend.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 2.00 of the Zend license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.zend.com/license/2_00.txt. |
| If you did not receive a copy of the Zend license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@zend.com so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <andi@zend.com> |
| Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/

/* $Id$ */

#ifndef ZEND_COMPILE_H
#define ZEND_COMPILE_H

#include "zend.h"

#ifdef HAVE_STDARG_H
# include <stdarg.h>
#endif

#include "zend_llist.h"

#define DEBUG_ZEND 0

#define FREE_PNODE(znode) zval_dtor(&znode->u.constant);

#define SET_UNUSED(op) op ## _type = IS_UNUSED

#define INC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count++); }
#define DEC_BPC(op_array) if (op_array->fn_flags & ZEND_ACC_INTERACTIVE) { (CG(context).backpatch_count--); }
#define HANDLE_INTERACTIVE() if (CG(active_op_array)->fn_flags & ZEND_ACC_INTERACTIVE) { execute_new_code(TSRMLS_C); }
#define DO_TICKS() if (Z_LVAL(CG(declarables).ticks)) { zend_do_ticks(TSRMLS_C); }

#define RESET_DOC_COMMENT() \
{ \
if (CG(doc_comment)) { \
efree(CG(doc_comment)); \
CG(doc_comment) = NULL; \
} \
CG(doc_comment_len) = 0; \
}

typedef struct _zend_op_array zend_op_array;
typedef struct _zend_op zend_op;

typedef struct _zend_compiler_context {
zend_uint opcodes_size;
int vars_size;
int literals_size;
int current_brk_cont;
int backpatch_count;
HashTable *labels;
} zend_compiler_context;

typedef struct _zend_literal {
zval constant;
zend_ulong hash_value;
zend_uint cache_slot;
} zend_literal;

#define Z_HASH_P(zv) \
(((zend_literal*)(zv))->hash_value)

typedef union _znode_op {
zend_uint constant;
zend_uint var;
zend_uint num;
zend_ulong hash;
zend_uint opline_num; /* Needs to be signed */
zend_op *jmp_addr;
zval *zv;
zend_literal *literal;
  void *ptr; /* Used for passing pointers from the compile to execution phase, currently used for traits */
} znode_op;

typedef struct _znode { /* used only during compilation */
int op_type;
union {
znode_op op;
zval constant; /* replaced by literal/zv */
zend_op_array *op_array;
} u;
zend_uint EA; /* extended attributes */
} znode;

typedef struct _zend_execute_data zend_execute_data;

#define ZEND_OPCODE_HANDLER_ARGS zend_execute_data *execute_data TSRMLS_DC
#define ZEND_OPCODE_HANDLER_ARGS_PASSTHRU execute_data TSRMLS_CC

typedef int (*user_opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);
typedef int (ZEND_FASTCALL *opcode_handler_t) (ZEND_OPCODE_HANDLER_ARGS);

extern ZEND_API opcode_handler_t *zend_opcode_handlers;

struct _zend_op {
opcode_handler_t handler;
znode_op op1;
znode_op op2;
znode_op result;
ulong extended_value;
uint lineno;
zend_uchar opcode;
zend_uchar op1_type;
zend_uchar op2_type;
zend_uchar result_type;
};


typedef struct _zend_brk_cont_element {
int start;
int cont;
int brk;
int parent;
} zend_brk_cont_element;

typedef struct _zend_label {
int brk_cont;
zend_uint opline_num;
} zend_label;

typedef struct _zend_try_catch_element {
zend_uint try_op;
zend_uint catch_op; /* ketchup! */
} zend_try_catch_element;

#if SIZEOF_LONG == 8
#define THIS_HASHVAL 210728972157UL
#else
#define THIS_HASHVAL 275574653UL
#endif

/* method flags (types) */
#define ZEND_ACC_STATIC 0x01
#define ZEND_ACC_ABSTRACT 0x02
#define ZEND_ACC_FINAL 0x04
#define ZEND_ACC_IMPLEMENTED_ABSTRACT 0x08

/* class flags (types) */
/* 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). */
/* ZEND_ACC_EXPLICIT_ABSTRACT_CLASS denotes that a class was explicitly defined as abstract by using the keyword. */
#define ZEND_ACC_IMPLICIT_ABSTRACT_CLASS 0x10
#define ZEND_ACC_EXPLICIT_ABSTRACT_CLASS 0x20
#define ZEND_ACC_FINAL_CLASS 0x40
#define ZEND_ACC_INTERFACE 0x80
#define ZEND_ACC_TRAIT 0x120

/* op_array flags */
#define ZEND_ACC_INTERACTIVE 0x10

/* method flags (visibility) */
/* The order of those must be kept - public < protected < private */
#define ZEND_ACC_PUBLIC 0x100
#define ZEND_ACC_PROTECTED 0x200
#define ZEND_ACC_PRIVATE 0x400
#define ZEND_ACC_PPP_MASK (ZEND_ACC_PUBLIC | ZEND_ACC_PROTECTED | ZEND_ACC_PRIVATE)

#define ZEND_ACC_CHANGED 0x800
#define ZEND_ACC_IMPLICIT_PUBLIC 0x1000

/* method flags (special method detection) */
#define ZEND_ACC_CTOR 0x2000
#define ZEND_ACC_DTOR 0x4000
#define ZEND_ACC_CLONE 0x8000

/* method flag (bc only), any method that has this flag can be used statically and non statically. */
#define ZEND_ACC_ALLOW_STATIC 0x10000

/* shadow of parent's private method/property */
#define ZEND_ACC_SHADOW 0x20000

/* deprecation flag */
#define ZEND_ACC_DEPRECATED 0x40000

/* class implement interface(s) flag */
#define ZEND_ACC_IMPLEMENT_INTERFACES 0x80000
#define ZEND_ACC_IMPLEMENT_TRAITS 0x400000

/* class constants updated */
#define ZEND_ACC_CONSTANTS_UPDATED 0x100000

/* user class has methods with static variables */
#define ZEND_HAS_STATIC_IN_METHODS 0x800000


#define ZEND_ACC_CLOSURE 0x100000

/* function flag for internal user call handlers __call, __callstatic */
#define ZEND_ACC_CALL_VIA_HANDLER 0x200000

/* disable inline caching */
#define ZEND_ACC_NEVER_CACHE 0x400000

#define ZEND_ACC_PASS_REST_BY_REFERENCE 0x1000000
#define ZEND_ACC_PASS_REST_PREFER_REF 0x2000000

#define ZEND_ACC_RETURN_REFERENCE 0x4000000
#define ZEND_ACC_DONE_PASS_TWO 0x8000000

#define ZEND_ACC_ALIAS 0x10000000

char *zend_visibility_string(zend_uint fn_flags);


typedef struct _zend_property_info {
zend_uint flags;
const char *name;
int name_length;
ulong h;
int offset;
const char *doc_comment;
int doc_comment_len;
zend_class_entry *ce;
} zend_property_info;


typedef struct _zend_arg_info {
const char *name;
zend_uint name_len;
const char *class_name;
zend_uint class_name_len;
zend_uchar type_hint;
zend_bool allow_null;
zend_bool pass_by_reference;
} zend_arg_info;

/* the following structure repeats the layout of zend_arg_info,
* but its fields have different meaning. It's used as the first element of
* arg_info array to define properties of internal functions.
*/
typedef struct _zend_internal_function_info {
const char *_name;
zend_uint _name_len;
const char *_class_name;
zend_uint required_num_args;
zend_uchar _type_hint;
zend_bool return_reference;
zend_bool pass_rest_by_reference;
} zend_internal_function_info;

typedef struct _zend_compiled_variable {
const char *name;
int name_len;
ulong hash_value;
} zend_compiled_variable;

struct _zend_op_array {
/* Common elements */
zend_uchar type;
const char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
/* END of common elements */

zend_uint *refcount;

zend_op *opcodes;
zend_uint last;

zend_compiled_variable *vars;
int last_var;

zend_uint T;

zend_brk_cont_element *brk_cont_array;
int last_brk_cont;

zend_try_catch_element *try_catch_array;
int last_try_catch;

/* static variables support */
HashTable *static_variables;

zend_uint this_var;

const char *filename;
zend_uint line_start;
zend_uint line_end;
const char *doc_comment;
zend_uint doc_comment_len;
zend_uint early_binding; /* the linked list of delayed declarations */

zend_literal *literals;
int last_literal;

void **run_time_cache;
int last_cache_slot;

void *reserved[ZEND_MAX_RESERVED_RESOURCES];
};


#define ZEND_RETURN_VALUE 0
#define ZEND_RETURN_REFERENCE 1

typedef struct _zend_internal_function {
/* Common elements */
zend_uchar type;
const char * function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
/* END of common elements */

void (*handler)(INTERNAL_FUNCTION_PARAMETERS);
struct _zend_module_entry *module;
} zend_internal_function;

#define ZEND_FN_SCOPE_NAME(function) ((function) && (function)->common.scope ? (function)->common.scope->name : "")

typedef union _zend_function {
zend_uchar type; /* MUST be the first element of this struct! */

struct {
zend_uchar type; /* never used */
const char *function_name;
zend_class_entry *scope;
zend_uint fn_flags;
union _zend_function *prototype;
zend_uint num_args;
zend_uint required_num_args;
zend_arg_info *arg_info;
} common;

zend_op_array op_array;
zend_internal_function internal_function;
} zend_function;


typedef struct _zend_function_state {
zend_function *function;
void **arguments;
} zend_function_state;


typedef struct _zend_switch_entry {
znode cond;
int default_case;
int control_var;
} zend_switch_entry;


typedef struct _list_llist_element {
znode var;
zend_llist dimensions;
znode value;
} list_llist_element;

union _temp_variable;

struct _zend_execute_data {
struct _zend_op *opline;
zend_function_state function_state;
zend_function *fbc; /* Function Being Called */
zend_class_entry *called_scope;
zend_op_array *op_array;
zval *object;
union _temp_variable *Ts;
zval ***CVs;
HashTable *symbol_table;
struct _zend_execute_data *prev_execute_data;
zval *old_error_reporting;
zend_bool nested;
zval **original_return_value;
zend_class_entry *current_scope;
zend_class_entry *current_called_scope;
zval *current_this;
zval *current_object;
};

#define EX(element) execute_data.element


#define IS_CONST (1<<0)
#define IS_TMP_VAR (1<<1)
#define IS_VAR (1<<2)
#define IS_UNUSED (1<<3) /* Unused variable */
#define IS_CV (1<<4) /* Compiled variable */

#define EXT_TYPE_UNUSED (1<<5)

#include "zend_globals.h"

BEGIN_EXTERN_C()

void init_compiler(TSRMLS_D);
void shutdown_compiler(TSRMLS_D);
void zend_init_compiler_data_structures(TSRMLS_D);
void zend_init_compiler_context(TSRMLS_D);

extern ZEND_API zend_op_array *(*zend_compile_file)(zend_file_handle *file_handle, int type TSRMLS_DC);
extern ZEND_API zend_op_array *(*zend_compile_string)(zval *source_string, char *filename TSRMLS_DC);

ZEND_API int lex_scan(zval *zendlval TSRMLS_DC);
void startup_scanner(TSRMLS_D);
void shutdown_scanner(TSRMLS_D);

ZEND_API char *zend_set_compiled_filename(const char *new_compiled_filename TSRMLS_DC);
ZEND_API void zend_restore_compiled_filename(char *original_compiled_filename TSRMLS_DC);
ZEND_API char *zend_get_compiled_filename(TSRMLS_D);
ZEND_API int zend_get_compiled_lineno(TSRMLS_D);
ZEND_API size_t zend_get_scanned_file_offset(TSRMLS_D);

void zend_resolve_non_class_name(znode *element_name, zend_bool check_namespace TSRMLS_DC);
void zend_resolve_class_name(znode *class_name, ulong fetch_type, int check_ns_name TSRMLS_DC);
ZEND_API const char* zend_get_compiled_variable_name(const zend_op_array *op_array, zend_uint var, int* name_len);

#ifdef ZTS
const char *zend_get_zendtext(TSRMLS_D);
int zend_get_zendleng(TSRMLS_D);
#endif


/* parser-driven code generators */
void zend_do_binary_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
void zend_do_unary_op(zend_uchar op, znode *result, const znode *op1 TSRMLS_DC);
void zend_do_binary_assign_op(zend_uchar op, znode *result, const znode *op1, const znode *op2 TSRMLS_DC);
void zend_do_assign(znode *result, znode *variable, znode *value TSRMLS_DC);
void zend_do_assign_ref(znode *result, const znode *lvar, const znode *rvar TSRMLS_DC);
void fetch_simple_variable(znode *result, znode *varname, int bp TSRMLS_DC);
void fetch_simple_variable_ex(znode *result, znode *varname, int bp, zend_uchar op TSRMLS_DC);
void zend_do_indirect_references(znode *result, const znode *num_references, znode *variable TSRMLS_DC);
void zend_do_fetch_static_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);
void zend_do_fetch_global_variable(znode *varname, const znode *static_assignment, int fetch_type TSRMLS_DC);

void fetch_array_begin(znode *result, znode *varname, znode *first_dim TSRMLS_DC);
void fetch_array_dim(znode *result, const znode *parent, const znode *dim TSRMLS_DC);
void fetch_string_offset(znode *result, const znode *parent, const znode *offset TSRMLS_DC);
void zend_do_fetch_static_member(znode *result, znode *class_znode TSRMLS_DC);
void zend_do_print(znode *result, const znode *arg TSRMLS_DC);
void zend_do_echo(const znode *arg TSRMLS_DC);
typedef int (*unary_op_type)(zval *, zval * TSRMLS_DC);
typedef int (*binary_op_type)(zval *, zval *, zval * TSRMLS_DC);
ZEND_API unary_op_type get_unary_op(int opcode);
ZEND_API binary_op_type get_binary_op(int opcode);

void zend_do_while_cond(const znode *expr, znode *close_bracket_token TSRMLS_DC);
void zend_do_while_end(const znode *while_token, const znode *close_bracket_token TSRMLS_DC);
void zend_do_do_while_begin(TSRMLS_D);
void zend_do_do_while_end(const znode *do_token, const znode *expr_open_bracket, const znode *expr TSRMLS_DC);


void zend_do_if_cond(const znode *cond, znode *closing_bracket_token TSRMLS_DC);
void zend_do_if_after_statement(const znode *closing_bracket_token, unsigned char initialize TSRMLS_DC);
void zend_do_if_end(TSRMLS_D);

void zend_do_for_cond(const znode *expr, znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_before_statement(const znode *cond_start, const znode *second_semicolon_token TSRMLS_DC);
void zend_do_for_end(const znode *second_semicolon_token TSRMLS_DC);

void zend_do_pre_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);
void zend_do_post_incdec(znode *result, const znode *op1, zend_uchar op TSRMLS_DC);

void zend_do_begin_variable_parse(TSRMLS_D);
void zend_do_end_variable_parse(znode *variable, int type, int arg_offset TSRMLS_DC);

void zend_check_writable_variable(const znode *variable);

void zend_do_free(znode *op1 TSRMLS_DC);

void zend_do_add_string(znode *result, const znode *op1, znode *op2 TSRMLS_DC);
void zend_do_add_variable(znode *result, const znode *op1, const znode *op2 TSRMLS_DC);

int zend_do_verify_access_types(const znode *current_access_type, const znode *new_modifier);
void zend_do_begin_function_declaration(znode *function_token, znode *function_name, int is_method, int return_reference, znode *fn_flags_znode TSRMLS_DC);
void zend_do_end_function_declaration(const znode *function_token TSRMLS_DC);
void zend_do_receive_arg(zend_uchar op, znode *varname, const znode *offset, const znode *initialization, znode *class_type, zend_bool pass_by_reference TSRMLS_DC);
int zend_do_begin_function_call(znode *function_name, zend_bool check_namespace TSRMLS_DC);
void zend_do_begin_method_call(znode *left_bracket TSRMLS_DC);
void zend_do_clone(znode *result, const znode *expr TSRMLS_DC);
void zend_do_begin_dynamic_function_call(znode *function_name, int prefix_len TSRMLS_DC);
void zend_do_fetch_class(znode *result, znode *class_name TSRMLS_DC);
void zend_do_build_full_name(znode *result, znode *prefix, znode *name, int is_class_member TSRMLS_DC);
int zend_do_begin_class_member_function_call(znode *class_name, znode *method_name TSRMLS_DC);
void zend_do_end_function_call(znode *function_name, znode *result, const znode *argument_list, int is_method, int is_dynamic_fcall TSRMLS_DC);
void zend_do_return(znode *expr, int do_end_vparse TSRMLS_DC);
void zend_do_handle_exception(TSRMLS_D);

void zend_do_begin_lambda_function_declaration(znode *result, znode *function_token, int return_reference, int is_static TSRMLS_DC);
void zend_do_fetch_lexical_variable(znode *varname, zend_bool is_ref TSRMLS_DC);

void zend_do_try(znode *try_token TSRMLS_DC);
void zend_do_begin_catch(znode *try_token, znode *catch_class, znode *catch_var, znode *first_catch TSRMLS_DC);
void zend_do_end_catch(const znode *try_token TSRMLS_DC);
void zend_do_throw(const znode *expr TSRMLS_DC);

ZEND_API int do_bind_function(const zend_op_array *op_array, zend_op *opline, HashTable *function_table, zend_bool compile_time);
ZEND_API zend_class_entry *do_bind_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_bool compile_time TSRMLS_DC);
ZEND_API zend_class_entry *do_bind_inherited_class(const zend_op_array *op_array, const zend_op *opline, HashTable *class_table, zend_class_entry *parent_ce, zend_bool compile_time TSRMLS_DC);
ZEND_API void zend_do_inherit_interfaces(zend_class_entry *ce, const zend_class_entry *iface TSRMLS_DC);
ZEND_API void zend_do_implement_interface(zend_class_entry *ce, zend_class_entry *iface TSRMLS_DC);
void zend_do_implements_interface(znode *interface_znode TSRMLS_DC);

/* Trait related functions */
void zend_add_trait_precedence(znode *precedence_znode TSRMLS_DC);
void zend_add_trait_alias(znode *alias_znode TSRMLS_DC);


void zend_do_implements_trait(znode *interface_znode /*, znode* aliases */ TSRMLS_DC);
ZEND_API void zend_do_implement_trait(zend_class_entry *ce, zend_class_entry *trait TSRMLS_DC);
ZEND_API void zend_do_bind_traits(zend_class_entry *ce TSRMLS_DC);
void zend_prepare_trait_precedence(znode *result, znode *method_reference, znode *trait_list TSRMLS_DC);
void zend_prepare_reference(znode *result, znode *class_name, znode *method_name TSRMLS_DC);
void zend_prepare_trait_alias(znode *result, znode *method_reference, znode *modifiers, znode *alias TSRMLS_DC);

ZEND_API void zend_do_inheritance(zend_class_entry *ce, zend_class_entry *parent_ce TSRMLS_DC);
void zend_do_early_binding(TSRMLS_D);
ZEND_API void zend_do_delayed_early_binding(const zend_op_array *op_array TSRMLS_DC);

void zend_do_pass_param(znode *param, zend_uchar op, int offset TSRMLS_DC);


void zend_do_boolean_or_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_or_end(znode *result, const znode *expr1, const znode *expr2, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_begin(znode *expr1, znode *op_token TSRMLS_DC);
void zend_do_boolean_and_end(znode *result, const znode *expr1, const znode *expr2, const znode *op_token TSRMLS_DC);

void zend_do_brk_cont(zend_uchar op, const znode *expr TSRMLS_DC);

void zend_do_switch_cond(const znode *cond TSRMLS_DC);
void zend_do_switch_end(const znode *case_list TSRMLS_DC);
void zend_do_case_before_statement(const znode *case_list, znode *case_token, const znode *case_expr TSRMLS_DC);
void zend_do_case_after_statement(znode *result, const znode *case_token TSRMLS_DC);
void zend_do_default_before_statement(const znode *case_list, znode *default_token TSRMLS_DC);

void zend_do_begin_class_declaration(const znode *class_token, znode *class_name, const znode *parent_class_name TSRMLS_DC);
void zend_do_end_class_declaration(const znode *class_token, const znode *parent_token TSRMLS_DC);
void zend_do_declare_property(const znode *var_name, const znode *value, zend_uint access_type TSRMLS_DC);
void zend_do_declare_class_constant(znode *var_name, const znode *value TSRMLS_DC);

void zend_do_fetch_property(znode *result, znode *object, const znode *property TSRMLS_DC);

void zend_do_halt_compiler_register(TSRMLS_D);

void zend_do_push_object(const znode *object TSRMLS_DC);
void zend_do_pop_object(znode *object TSRMLS_DC);


void zend_do_begin_new_object(znode *new_token, znode *class_type TSRMLS_DC);
void zend_do_end_new_object(znode *result, const znode *new_token, const znode *argument_list TSRMLS_DC);

void zend_do_fetch_constant(znode *result, znode *constant_container, znode *constant_name, int mode, zend_bool check_namespace TSRMLS_DC);

void zend_do_shell_exec(znode *result, const znode *cmd TSRMLS_DC);

void zend_do_init_array(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_array_element(znode *result, const znode *expr, const znode *offset, zend_bool is_ref TSRMLS_DC);
void zend_do_add_static_array_element(znode *result, znode *offset, const znode *expr);
void zend_do_list_init(TSRMLS_D);
void zend_do_list_end(znode *result, znode *expr TSRMLS_DC);
void zend_do_add_list_element(const znode *element TSRMLS_DC);
void zend_do_new_list_begin(TSRMLS_D);
void zend_do_new_list_end(TSRMLS_D);

/* Functions for a null terminated pointer list, used for traits parsing and compilation */
void zend_init_list(void *result, void *item TSRMLS_DC);
void zend_add_to_list(void *result, void *item TSRMLS_DC);


void zend_do_cast(znode *result, const znode *expr, int type TSRMLS_DC);
void zend_do_include_or_eval(int type, znode *result, const znode *op1 TSRMLS_DC);

void zend_do_unset(const znode *variable TSRMLS_DC);
void zend_do_isset_or_isempty(int type, znode *result, znode *variable TSRMLS_DC);

void zend_do_instanceof(znode *result, const znode *expr, const znode *class_znode, int type TSRMLS_DC);

void zend_do_foreach_begin(znode *foreach_token, znode *open_brackets_token, znode *array, znode *as_token, int variable TSRMLS_DC);
void zend_do_foreach_cont(znode *foreach_token, const znode *open_brackets_token, const znode *as_token, znode *value, znode *key TSRMLS_DC);
void zend_do_foreach_end(const znode *foreach_token, const znode *as_token TSRMLS_DC);

void zend_do_declare_begin(TSRMLS_D);
void zend_do_declare_stmt(znode *var, znode *val TSRMLS_DC);
void zend_do_declare_end(const znode *declare_token TSRMLS_DC);

void zend_do_exit(znode *result, const znode *message TSRMLS_DC);

void zend_do_begin_silence(znode *strudel_token TSRMLS_DC);
void zend_do_end_silence(const znode *strudel_token TSRMLS_DC);

void zend_do_jmp_set(const znode *value, znode *jmp_token, znode *colon_token TSRMLS_DC);
void zend_do_jmp_set_else(znode *result, const znode *false_value, const znode *jmp_token, const znode *colon_token TSRMLS_DC);

void zend_do_begin_qm_op(const znode *cond, znode *qm_token TSRMLS_DC);
void zend_do_qm_true(const znode *true_value, znode *qm_token, znode *colon_token TSRMLS_DC);
void zend_do_qm_false(znode *result, const znode *false_value, const znode *qm_token, const znode *colon_token TSRMLS_DC);

void zend_do_extended_info(TSRMLS_D);
void zend_do_extended_fcall_begin(TSRMLS_D);
void zend_do_extended_fcall_end(TSRMLS_D);

void zend_do_ticks(TSRMLS_D);

void zend_do_abstract_method(const znode *function_name, znode *modifiers, const znode *body TSRMLS_DC);

void zend_do_declare_constant(znode *name, znode *value TSRMLS_DC);
void zend_do_build_namespace_name(znode *result, znode *prefix, znode *name TSRMLS_DC);
void zend_do_begin_namespace(const znode *name, zend_bool with_brackets TSRMLS_DC);
void zend_do_end_namespace(TSRMLS_D);
void zend_verify_namespace(TSRMLS_D);
void zend_do_use(znode *name, znode *new_name, int is_global TSRMLS_DC);
void zend_do_end_compilation(TSRMLS_D);

void zend_do_label(znode *label TSRMLS_DC);
void zend_do_goto(const znode *label TSRMLS_DC);
void zend_resolve_goto_label(zend_op_array *op_array, zend_op *opline, int pass2 TSRMLS_DC);
void zend_release_labels(TSRMLS_D);

ZEND_API void function_add_ref(zend_function *function);

#define INITIAL_OP_ARRAY_SIZE 64
#define INITIAL_INTERACTIVE_OP_ARRAY_SIZE 8192


/* helper functions in zend_language_scanner.l */
ZEND_API zend_op_array *compile_file(zend_file_handle *file_handle, int type TSRMLS_DC);
ZEND_API zend_op_array *compile_string(zval *source_string, char *filename TSRMLS_DC);
ZEND_API zend_op_array *compile_filename(int type, zval *filename TSRMLS_DC);
ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval **retval, int file_count, ...);
ZEND_API int open_file_for_scanning(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API void init_op_array(zend_op_array *op_array, zend_uchar type, int initial_ops_size TSRMLS_DC);
ZEND_API void destroy_op_array(zend_op_array *op_array TSRMLS_DC);
ZEND_API void zend_destroy_file_handle(zend_file_handle *file_handle TSRMLS_DC);
ZEND_API int zend_cleanup_class_data(zend_class_entry **pce TSRMLS_DC);
ZEND_API int zend_cleanup_user_class_data(zend_class_entry **pce TSRMLS_DC);
ZEND_API void zend_cleanup_internal_class_data(zend_class_entry *ce TSRMLS_DC);
ZEND_API void zend_cleanup_internal_classes(TSRMLS_D);
ZEND_API int zend_cleanup_function_data(zend_function *function TSRMLS_DC);
ZEND_API int zend_cleanup_function_data_full(zend_function *function TSRMLS_DC);

ZEND_API void destroy_zend_function(zend_function *function TSRMLS_DC);
ZEND_API void zend_function_dtor(zend_function *function);
ZEND_API void destroy_zend_class(zend_class_entry **pce);
void zend_class_add_ref(zend_class_entry **ce);

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);
ZEND_API int zend_unmangle_property_name(const char *mangled_property, int mangled_property_len, const char **class_name, const char **prop_name);

#define ZEND_FUNCTION_DTOR (void (*)(void *)) zend_function_dtor
#define ZEND_CLASS_DTOR (void (*)(void *)) destroy_zend_class

zend_op *get_next_op(zend_op_array *op_array TSRMLS_DC);
void init_op(zend_op *op TSRMLS_DC);
int get_next_op_number(zend_op_array *op_array);
int print_class(zend_class_entry *class_entry TSRMLS_DC);
void print_op_array(zend_op_array *op_array, int optimizations);
ZEND_API int pass_two(zend_op_array *op_array TSRMLS_DC);
zend_brk_cont_element *get_next_brk_cont_element(zend_op_array *op_array);
void zend_do_first_catch(znode *open_parentheses TSRMLS_DC);
void zend_initialize_try_catch_element(const znode *try_token TSRMLS_DC);
void zend_do_mark_last_catch(const znode *first_catch, const znode *last_additional_catch TSRMLS_DC);
ZEND_API zend_bool zend_is_compiling(TSRMLS_D);
ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC);
ZEND_API void zend_initialize_class_data(zend_class_entry *ce, zend_bool nullify_handlers TSRMLS_DC);
int zend_get_class_fetch_type(const char *class_name, uint class_name_len);

typedef zend_bool (*zend_auto_global_callback)(const char *name, uint name_len TSRMLS_DC);
typedef struct _zend_auto_global {
const char *name;
uint name_len;
zend_auto_global_callback auto_global_callback;
zend_bool jit;
zend_bool armed;
} zend_auto_global;

ZEND_API int zend_register_auto_global(const char *name, uint name_len, zend_bool jit, zend_auto_global_callback auto_global_callback TSRMLS_DC);
ZEND_API void zend_activate_auto_globals(TSRMLS_D);
ZEND_API zend_bool zend_is_auto_global(const char *name, uint name_len TSRMLS_DC);
ZEND_API zend_bool zend_is_auto_global_quick(const char *name, uint name_len, ulong hashval TSRMLS_DC);
ZEND_API size_t zend_dirname(char *path, size_t len);

int zendlex(znode *zendlval TSRMLS_DC);

int zend_add_literal(zend_op_array *op_array, const zval *zv TSRMLS_DC);

/* BEGIN: OPCODES */

#include "zend_vm_opcodes.h"

#define ZEND_OP_DATA 137

/* END: OPCODES */

/* class fetches */
#define ZEND_FETCH_CLASS_DEFAULT 0
#define ZEND_FETCH_CLASS_SELF 1
#define ZEND_FETCH_CLASS_PARENT 2
#define ZEND_FETCH_CLASS_MAIN 3
#define ZEND_FETCH_CLASS_GLOBAL 4
#define ZEND_FETCH_CLASS_AUTO 5
#define ZEND_FETCH_CLASS_INTERFACE 6
#define ZEND_FETCH_CLASS_STATIC 7
#define ZEND_FETCH_CLASS_TRAIT 14
#define ZEND_FETCH_CLASS_MASK 0x0f
#define ZEND_FETCH_CLASS_NO_AUTOLOAD 0x80
#define ZEND_FETCH_CLASS_SILENT 0x0100

/* variable parsing type (compile-time) */
#define ZEND_PARSED_MEMBER (1<<0)
#define ZEND_PARSED_METHOD_CALL (1<<1)
#define ZEND_PARSED_STATIC_MEMBER (1<<2)
#define ZEND_PARSED_FUNCTION_CALL (1<<3)
#define ZEND_PARSED_VARIABLE (1<<4)
#define ZEND_PARSED_REFERENCE_VARIABLE (1<<5)
#define ZEND_PARSED_NEW (1<<6)


/* unset types */
#define ZEND_UNSET_REG 0

/* var status for backpatching */
#define BP_VAR_R 0
#define BP_VAR_W 1
#define BP_VAR_RW 2
#define BP_VAR_IS 3
#define BP_VAR_NA 4 /* if not applicable */
#define BP_VAR_FUNC_ARG 5
#define BP_VAR_UNSET 6


#define ZEND_INTERNAL_FUNCTION 1
#define ZEND_USER_FUNCTION 2
#define ZEND_OVERLOADED_FUNCTION 3
#define ZEND_EVAL_CODE 4
#define ZEND_OVERLOADED_FUNCTION_TEMPORARY 5

#define ZEND_INTERNAL_CLASS 1
#define ZEND_USER_CLASS 2

#define ZEND_EVAL (1<<0)
#define ZEND_INCLUDE (1<<1)
#define ZEND_INCLUDE_ONCE (1<<2)
#define ZEND_REQUIRE (1<<3)
#define ZEND_REQUIRE_ONCE (1<<4)

#define ZEND_CT (1<<0)
#define ZEND_RT (1<<1)

/* global/local fetches */
#define ZEND_FETCH_GLOBAL 0x00000000
#define ZEND_FETCH_LOCAL 0x10000000
#define ZEND_FETCH_STATIC 0x20000000
#define ZEND_FETCH_STATIC_MEMBER 0x30000000
#define ZEND_FETCH_GLOBAL_LOCK 0x40000000
#define ZEND_FETCH_LEXICAL 0x50000000

#define ZEND_FETCH_TYPE_MASK 0x70000000

#define ZEND_FETCH_STANDARD 0x00000000
#define ZEND_FETCH_ADD_LOCK 0x08000000
#define ZEND_FETCH_MAKE_REF 0x04000000

#define ZEND_ISSET 0x02000000
#define ZEND_ISEMPTY 0x01000000
#define ZEND_ISSET_ISEMPTY_MASK (ZEND_ISSET | ZEND_ISEMPTY)
#define ZEND_QUICK_SET 0x00800000

#define ZEND_FETCH_ARG_MASK 0x000fffff

#define ZEND_FE_FETCH_BYREF 1
#define ZEND_FE_FETCH_WITH_KEY 2

#define ZEND_FE_RESET_VARIABLE (1<<0)
#define ZEND_FE_RESET_REFERENCE (1<<1)
#define EXT_TYPE_FREE_ON_RETURN (1<<2)

#define ZEND_MEMBER_FUNC_CALL 1<<0

#define ZEND_ARG_SEND_BY_REF (1<<0)
#define ZEND_ARG_COMPILE_TIME_BOUND (1<<1)
#define ZEND_ARG_SEND_FUNCTION (1<<2)
#define ZEND_ARG_SEND_SILENT (1<<3)

#define ZEND_SEND_BY_VAL 0
#define ZEND_SEND_BY_REF 1
#define ZEND_SEND_PREFER_REF 2

#define CHECK_ARG_SEND_TYPE(zf, arg_num, m1, m2) \
((zf) && \
((((zend_function*)(zf))->common.arg_info && \
arg_num <= ((zend_function*)(zf))->common.num_args) ? \
(((zend_function *)(zf))->common.arg_info[arg_num-1].pass_by_reference & (m1)) : \
(((zend_function *)(zf))->common.fn_flags & (m2))))

#define ARG_MUST_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF, ZEND_ACC_PASS_REST_BY_REFERENCE)

#define ARG_SHOULD_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_BY_REFERENCE|ZEND_ACC_PASS_REST_PREFER_REF)

#define ARG_MAY_BE_SENT_BY_REF(zf, arg_num) \
CHECK_ARG_SEND_TYPE(zf, arg_num, ZEND_SEND_PREFER_REF, ZEND_ACC_PASS_REST_PREFER_REF)

#define ZEND_RETURN_VAL 0
#define ZEND_RETURN_REF 1


#define ZEND_RETURNS_FUNCTION 1<<0
#define ZEND_RETURNS_NEW 1<<1

END_EXTERN_C()

#define ZEND_CLONE_FUNC_NAME "__clone"
#define ZEND_CONSTRUCTOR_FUNC_NAME "__construct"
#define ZEND_DESTRUCTOR_FUNC_NAME "__destruct"
#define ZEND_GET_FUNC_NAME "__get"
#define ZEND_SET_FUNC_NAME "__set"
#define ZEND_UNSET_FUNC_NAME "__unset"
#define ZEND_ISSET_FUNC_NAME "__isset"
#define ZEND_CALL_FUNC_NAME "__call"
#define ZEND_CALLSTATIC_FUNC_NAME "__callstatic"
#define ZEND_TOSTRING_FUNC_NAME "__tostring"
#define ZEND_AUTOLOAD_FUNC_NAME "__autoload"

/* The following constants may be combined in CG(compiler_options)
* to change the default compiler behavior */

/* generate extended debug information */
#define ZEND_COMPILE_EXTENDED_INFO (1<<0)

/* call op_array handler of extendions */
#define ZEND_COMPILE_HANDLE_OP_ARRAY (1<<1)

/* generate ZEND_DO_FCALL_BY_NAME for internal functions instead of ZEND_DO_FCALL */
#define ZEND_COMPILE_IGNORE_INTERNAL_FUNCTIONS (1<<2)

/* don't perform early binding for classes inherited form internal ones;
* in namespaces assume that internal class that doesn't exist at compile-time
* may apper in run-time */
#define ZEND_COMPILE_IGNORE_INTERNAL_CLASSES (1<<3)

/* generate ZEND_DECLARE_INHERITED_CLASS_DELAYED opcode to delay early binding */
#define ZEND_COMPILE_DELAYED_BINDING (1<<4)

/* disable constant substitution at compile-time */
#define ZEND_COMPILE_NO_CONSTANT_SUBSTITUTION (1<<5)

/* The default value for CG(compiler_options) */
#define ZEND_COMPILE_DEFAULT ZEND_COMPILE_HANDLE_OP_ARRAY

/* The default value for CG(compiler_options) during eval() */
#define ZEND_COMPILE_DEFAULT_FOR_EVAL 0

#endif /* ZEND_COMPILE_H */

/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
*/
Something went wrong with that request. Please try again.