forked from php/php-src
-
Notifications
You must be signed in to change notification settings - Fork 0
/
zend_language_parser.y
1492 lines (1308 loc) · 51.4 KB
/
zend_language_parser.y
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
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
%require "3.0"
/*
+----------------------------------------------------------------------+
| Zend Engine |
+----------------------------------------------------------------------+
| Copyright (c) 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 |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Andi Gutmans <[email protected]> |
| Zeev Suraski <[email protected]> |
| Nikita Popov <[email protected]> |
+----------------------------------------------------------------------+
*/
%code top {
#include "zend.h"
#include "zend_list.h"
#include "zend_globals.h"
#include "zend_API.h"
#include "zend_constants.h"
#include "zend_language_scanner.h"
#include "zend_exceptions.h"
#define YYSIZE_T size_t
#define yytnamerr zend_yytnamerr
static YYSIZE_T zend_yytnamerr(char*, const char*);
#ifdef _MSC_VER
#define YYMALLOC malloc
#define YYFREE free
#endif
}
%code requires {
#include "zend_compile.h"
}
%define api.prefix {zend}
%define api.pure full
%define api.value.type {zend_parser_stack_elem}
%define parse.error verbose
%expect 0
%destructor { zend_ast_destroy($$); } <ast>
%destructor { if ($$) zend_string_release_ex($$, 0); } <str>
%precedence T_THROW
%precedence PREC_ARROW_FUNCTION
%precedence T_INCLUDE T_INCLUDE_ONCE T_REQUIRE T_REQUIRE_ONCE
%left T_LOGICAL_OR
%left T_LOGICAL_XOR
%left T_LOGICAL_AND
%precedence T_PRINT
%precedence T_YIELD
%precedence T_DOUBLE_ARROW
%precedence T_YIELD_FROM
%precedence '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL T_COALESCE_EQUAL
%left '?' ':'
%right T_COALESCE
%left T_BOOLEAN_OR
%left T_BOOLEAN_AND
%left '|'
%left '^'
%left '&'
%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP
%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
%left '.'
%left T_SL T_SR
%left '+' '-'
%left '*' '/' '%'
%precedence '!'
%precedence T_INSTANCEOF
%precedence '~' T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@'
%right T_POW
%precedence T_CLONE
/* Resolve danging else conflict */
%precedence T_NOELSE
%precedence T_ELSEIF
%precedence T_ELSE
%token <ast> T_LNUMBER "integer number (T_LNUMBER)"
%token <ast> T_DNUMBER "floating-point number (T_DNUMBER)"
%token <ast> T_STRING "identifier (T_STRING)"
%token <ast> T_VARIABLE "variable (T_VARIABLE)"
%token <ast> T_INLINE_HTML
%token <ast> T_ENCAPSED_AND_WHITESPACE "quoted-string and whitespace (T_ENCAPSED_AND_WHITESPACE)"
%token <ast> T_CONSTANT_ENCAPSED_STRING "quoted-string (T_CONSTANT_ENCAPSED_STRING)"
%token <ast> T_STRING_VARNAME "variable name (T_STRING_VARNAME)"
%token <ast> T_NUM_STRING "number (T_NUM_STRING)"
%token END 0 "end of file"
%token T_INCLUDE "include (T_INCLUDE)"
%token T_INCLUDE_ONCE "include_once (T_INCLUDE_ONCE)"
%token T_EVAL "eval (T_EVAL)"
%token T_REQUIRE "require (T_REQUIRE)"
%token T_REQUIRE_ONCE "require_once (T_REQUIRE_ONCE)"
%token T_LOGICAL_OR "or (T_LOGICAL_OR)"
%token T_LOGICAL_XOR "xor (T_LOGICAL_XOR)"
%token T_LOGICAL_AND "and (T_LOGICAL_AND)"
%token T_PRINT "print (T_PRINT)"
%token T_YIELD "yield (T_YIELD)"
%token T_YIELD_FROM "yield from (T_YIELD_FROM)"
%token T_PLUS_EQUAL "+= (T_PLUS_EQUAL)"
%token T_MINUS_EQUAL "-= (T_MINUS_EQUAL)"
%token T_MUL_EQUAL "*= (T_MUL_EQUAL)"
%token T_DIV_EQUAL "/= (T_DIV_EQUAL)"
%token T_CONCAT_EQUAL ".= (T_CONCAT_EQUAL)"
%token T_MOD_EQUAL "%= (T_MOD_EQUAL)"
%token T_AND_EQUAL "&= (T_AND_EQUAL)"
%token T_OR_EQUAL "|= (T_OR_EQUAL)"
%token T_XOR_EQUAL "^= (T_XOR_EQUAL)"
%token T_SL_EQUAL "<<= (T_SL_EQUAL)"
%token T_SR_EQUAL ">>= (T_SR_EQUAL)"
%token T_COALESCE_EQUAL "??= (T_COALESCE_EQUAL)"
%token T_BOOLEAN_OR "|| (T_BOOLEAN_OR)"
%token T_BOOLEAN_AND "&& (T_BOOLEAN_AND)"
%token T_IS_EQUAL "== (T_IS_EQUAL)"
%token T_IS_NOT_EQUAL "!= (T_IS_NOT_EQUAL)"
%token T_IS_IDENTICAL "=== (T_IS_IDENTICAL)"
%token T_IS_NOT_IDENTICAL "!== (T_IS_NOT_IDENTICAL)"
%token T_IS_SMALLER_OR_EQUAL "<= (T_IS_SMALLER_OR_EQUAL)"
%token T_IS_GREATER_OR_EQUAL ">= (T_IS_GREATER_OR_EQUAL)"
%token T_SPACESHIP "<=> (T_SPACESHIP)"
%token T_SL "<< (T_SL)"
%token T_SR ">> (T_SR)"
%token T_INSTANCEOF "instanceof (T_INSTANCEOF)"
%token T_INC "++ (T_INC)"
%token T_DEC "-- (T_DEC)"
%token T_INT_CAST "(int) (T_INT_CAST)"
%token T_DOUBLE_CAST "(double) (T_DOUBLE_CAST)"
%token T_STRING_CAST "(string) (T_STRING_CAST)"
%token T_ARRAY_CAST "(array) (T_ARRAY_CAST)"
%token T_OBJECT_CAST "(object) (T_OBJECT_CAST)"
%token T_BOOL_CAST "(bool) (T_BOOL_CAST)"
%token T_UNSET_CAST "(unset) (T_UNSET_CAST)"
%token T_NEW "new (T_NEW)"
%token T_CLONE "clone (T_CLONE)"
%token T_EXIT "exit (T_EXIT)"
%token T_IF "if (T_IF)"
%token T_ELSEIF "elseif (T_ELSEIF)"
%token T_ELSE "else (T_ELSE)"
%token T_ENDIF "endif (T_ENDIF)"
%token T_ECHO "echo (T_ECHO)"
%token T_DO "do (T_DO)"
%token T_WHILE "while (T_WHILE)"
%token T_ENDWHILE "endwhile (T_ENDWHILE)"
%token T_FOR "for (T_FOR)"
%token T_ENDFOR "endfor (T_ENDFOR)"
%token T_FOREACH "foreach (T_FOREACH)"
%token T_ENDFOREACH "endforeach (T_ENDFOREACH)"
%token T_DECLARE "declare (T_DECLARE)"
%token T_ENDDECLARE "enddeclare (T_ENDDECLARE)"
%token T_AS "as (T_AS)"
%token T_SWITCH "switch (T_SWITCH)"
%token T_ENDSWITCH "endswitch (T_ENDSWITCH)"
%token T_CASE "case (T_CASE)"
%token T_DEFAULT "default (T_DEFAULT)"
%token T_BREAK "break (T_BREAK)"
%token T_CONTINUE "continue (T_CONTINUE)"
%token T_GOTO "goto (T_GOTO)"
%token T_FUNCTION "function (T_FUNCTION)"
%token T_FN "fn (T_FN)"
%token T_CONST "const (T_CONST)"
%token T_RETURN "return (T_RETURN)"
%token T_TRY "try (T_TRY)"
%token T_CATCH "catch (T_CATCH)"
%token T_FINALLY "finally (T_FINALLY)"
%token T_THROW "throw (T_THROW)"
%token T_USE "use (T_USE)"
%token T_INSTEADOF "insteadof (T_INSTEADOF)"
%token T_GLOBAL "global (T_GLOBAL)"
%token T_STATIC "static (T_STATIC)"
%token T_ABSTRACT "abstract (T_ABSTRACT)"
%token T_FINAL "final (T_FINAL)"
%token T_PRIVATE "private (T_PRIVATE)"
%token T_PROTECTED "protected (T_PROTECTED)"
%token T_PUBLIC "public (T_PUBLIC)"
%token T_VAR "var (T_VAR)"
%token T_UNSET "unset (T_UNSET)"
%token T_ISSET "isset (T_ISSET)"
%token T_EMPTY "empty (T_EMPTY)"
%token T_HALT_COMPILER "__halt_compiler (T_HALT_COMPILER)"
%token T_CLASS "class (T_CLASS)"
%token T_TRAIT "trait (T_TRAIT)"
%token T_INTERFACE "interface (T_INTERFACE)"
%token T_EXTENDS "extends (T_EXTENDS)"
%token T_IMPLEMENTS "implements (T_IMPLEMENTS)"
%token T_OBJECT_OPERATOR "-> (T_OBJECT_OPERATOR)"
%token T_DOUBLE_ARROW "=> (T_DOUBLE_ARROW)"
%token T_LIST "list (T_LIST)"
%token T_ARRAY "array (T_ARRAY)"
%token T_CALLABLE "callable (T_CALLABLE)"
%token T_LINE "__LINE__ (T_LINE)"
%token T_FILE "__FILE__ (T_FILE)"
%token T_DIR "__DIR__ (T_DIR)"
%token T_CLASS_C "__CLASS__ (T_CLASS_C)"
%token T_TRAIT_C "__TRAIT__ (T_TRAIT_C)"
%token T_METHOD_C "__METHOD__ (T_METHOD_C)"
%token T_FUNC_C "__FUNCTION__ (T_FUNC_C)"
%token T_COMMENT "comment (T_COMMENT)"
%token T_DOC_COMMENT "doc comment (T_DOC_COMMENT)"
%token T_OPEN_TAG "open tag (T_OPEN_TAG)"
%token T_OPEN_TAG_WITH_ECHO "open tag with echo (T_OPEN_TAG_WITH_ECHO)"
%token T_CLOSE_TAG "close tag (T_CLOSE_TAG)"
%token T_WHITESPACE "whitespace (T_WHITESPACE)"
%token T_START_HEREDOC "heredoc start (T_START_HEREDOC)"
%token T_END_HEREDOC "heredoc end (T_END_HEREDOC)"
%token T_DOLLAR_OPEN_CURLY_BRACES "${ (T_DOLLAR_OPEN_CURLY_BRACES)"
%token T_CURLY_OPEN "{$ (T_CURLY_OPEN)"
%token T_PAAMAYIM_NEKUDOTAYIM ":: (T_PAAMAYIM_NEKUDOTAYIM)"
%token T_NAMESPACE "namespace (T_NAMESPACE)"
%token T_NS_C "__NAMESPACE__ (T_NS_C)"
%token T_NS_SEPARATOR "\\ (T_NS_SEPARATOR)"
%token T_ELLIPSIS "... (T_ELLIPSIS)"
%token T_COALESCE "?? (T_COALESCE)"
%token T_POW "** (T_POW)"
%token T_POW_EQUAL "**= (T_POW_EQUAL)"
%token T_BAD_CHARACTER "invalid character (T_BAD_CHARACTER)"
/* Token used to force a parse error from the lexer */
%token T_ERROR
%type <ast> top_statement namespace_name name statement function_declaration_statement
%type <ast> class_declaration_statement trait_declaration_statement
%type <ast> interface_declaration_statement interface_extends_list
%type <ast> group_use_declaration inline_use_declarations inline_use_declaration
%type <ast> mixed_group_use_declaration use_declaration unprefixed_use_declaration
%type <ast> unprefixed_use_declarations const_decl inner_statement
%type <ast> expr optional_expr while_statement for_statement foreach_variable
%type <ast> foreach_statement declare_statement finally_statement unset_variable variable
%type <ast> extends_from parameter optional_type_without_static argument global_var
%type <ast> static_var class_statement trait_adaptation trait_precedence trait_alias
%type <ast> absolute_trait_method_reference trait_method_reference property echo_expr
%type <ast> new_expr anonymous_class class_name class_name_reference simple_variable
%type <ast> internal_functions_in_yacc
%type <ast> exit_expr scalar backticks_expr lexical_var function_call member_name property_name
%type <ast> variable_class_name dereferencable_scalar constant class_constant
%type <ast> fully_dereferencable array_object_dereferencable
%type <ast> callable_expr callable_variable static_member new_variable
%type <ast> encaps_var encaps_var_offset isset_variables
%type <ast> top_statement_list use_declarations const_list inner_statement_list if_stmt
%type <ast> alt_if_stmt for_exprs switch_case_list global_var_list static_var_list
%type <ast> echo_expr_list unset_variables catch_name_list catch_list optional_variable parameter_list class_statement_list
%type <ast> implements_list case_list if_stmt_without_else
%type <ast> non_empty_parameter_list argument_list non_empty_argument_list property_list
%type <ast> class_const_list class_const_decl class_name_list trait_adaptations method_body non_empty_for_exprs
%type <ast> ctor_arguments alt_if_stmt_without_else trait_adaptation_list lexical_vars
%type <ast> lexical_var_list encaps_list
%type <ast> array_pair non_empty_array_pair_list array_pair_list possible_array_pair
%type <ast> isset_variable type return_type type_expr type_without_static
%type <ast> identifier type_expr_without_static union_type_without_static
%type <ast> inline_function union_type
%type <ast> attributed_statement attributed_class_statement attributed_parameter
%type <ast> attribute_arguments attribute_decl attribute attributes
%type <num> returns_ref function fn is_reference is_variadic variable_modifiers
%type <num> method_modifiers non_empty_member_modifiers member_modifier optional_visibility_modifier
%type <num> class_modifiers class_modifier use_type backup_fn_flags
%type <ptr> backup_lex_pos
%type <str> backup_doc_comment
%% /* Rules */
start:
top_statement_list { CG(ast) = $1; }
;
reserved_non_modifiers:
T_INCLUDE | T_INCLUDE_ONCE | T_EVAL | T_REQUIRE | T_REQUIRE_ONCE | T_LOGICAL_OR | T_LOGICAL_XOR | T_LOGICAL_AND
| T_INSTANCEOF | T_NEW | T_CLONE | T_EXIT | T_IF | T_ELSEIF | T_ELSE | T_ENDIF | T_ECHO | T_DO | T_WHILE | T_ENDWHILE
| T_FOR | T_ENDFOR | T_FOREACH | T_ENDFOREACH | T_DECLARE | T_ENDDECLARE | T_AS | T_TRY | T_CATCH | T_FINALLY
| T_THROW | T_USE | T_INSTEADOF | T_GLOBAL | T_VAR | T_UNSET | T_ISSET | T_EMPTY | T_CONTINUE | T_GOTO
| T_FUNCTION | T_CONST | T_RETURN | T_PRINT | T_YIELD | T_LIST | T_SWITCH | T_ENDSWITCH | T_CASE | T_DEFAULT | T_BREAK
| T_ARRAY | T_CALLABLE | T_EXTENDS | T_IMPLEMENTS | T_NAMESPACE | T_TRAIT | T_INTERFACE | T_CLASS
| T_CLASS_C | T_TRAIT_C | T_FUNC_C | T_METHOD_C | T_LINE | T_FILE | T_DIR | T_NS_C | T_FN
;
semi_reserved:
reserved_non_modifiers
| T_STATIC | T_ABSTRACT | T_FINAL | T_PRIVATE | T_PROTECTED | T_PUBLIC
;
identifier:
T_STRING { $$ = $1; }
| semi_reserved {
zval zv;
zend_lex_tstring(&zv);
$$ = zend_ast_create_zval(&zv);
}
;
top_statement_list:
top_statement_list top_statement { $$ = zend_ast_list_add($1, $2); }
| %empty { $$ = zend_ast_create_list(0, ZEND_AST_STMT_LIST); }
;
namespace_name:
T_STRING { $$ = $1; }
| namespace_name T_NS_SEPARATOR T_STRING { $$ = zend_ast_append_str($1, $3); }
;
name:
namespace_name { $$ = $1; $$->attr = ZEND_NAME_NOT_FQ; }
| T_NAMESPACE T_NS_SEPARATOR namespace_name { $$ = $3; $$->attr = ZEND_NAME_RELATIVE; }
| T_NS_SEPARATOR namespace_name { $$ = $2; $$->attr = ZEND_NAME_FQ; }
;
attribute_arguments:
expr
{ $$ = zend_ast_create_list(1, ZEND_AST_ARG_LIST, $1); }
| attribute_arguments ',' expr
{ $$ = zend_ast_list_add($1, $3); }
;
attribute_decl:
class_name_reference
{ $$ = zend_ast_create(ZEND_AST_ATTRIBUTE, $1, NULL); }
| class_name_reference '(' ')'
{ $$ = zend_ast_create(ZEND_AST_ATTRIBUTE, $1, NULL); }
| class_name_reference '(' attribute_arguments ')'
{ $$ = zend_ast_create(ZEND_AST_ATTRIBUTE, $1, $3); }
;
attribute:
T_SL attribute_decl T_SR { $$ = $2; }
;
attributes:
attribute { $$ = zend_ast_create_list(1, ZEND_AST_ATTRIBUTE_LIST, $1); }
| attributes attribute { $$ = zend_ast_list_add($1, $2); }
;
attributed_statement:
function_declaration_statement { $$ = $1; }
| class_declaration_statement { $$ = $1; }
| trait_declaration_statement { $$ = $1; }
| interface_declaration_statement { $$ = $1; }
top_statement:
statement { $$ = $1; }
| attributed_statement { $$ = $1; }
| attributes attributed_statement { $$ = zend_ast_with_attributes($2, $1); }
| T_HALT_COMPILER '(' ')' ';'
{ $$ = zend_ast_create(ZEND_AST_HALT_COMPILER,
zend_ast_create_zval_from_long(zend_get_scanned_file_offset()));
zend_stop_lexing(); }
| T_NAMESPACE namespace_name ';'
{ $$ = zend_ast_create(ZEND_AST_NAMESPACE, $2, NULL);
RESET_DOC_COMMENT(); }
| T_NAMESPACE namespace_name { RESET_DOC_COMMENT(); }
'{' top_statement_list '}'
{ $$ = zend_ast_create(ZEND_AST_NAMESPACE, $2, $5); }
| T_NAMESPACE { RESET_DOC_COMMENT(); }
'{' top_statement_list '}'
{ $$ = zend_ast_create(ZEND_AST_NAMESPACE, NULL, $4); }
| T_USE mixed_group_use_declaration ';' { $$ = $2; }
| T_USE use_type group_use_declaration ';' { $$ = $3; $$->attr = $2; }
| T_USE use_declarations ';' { $$ = $2; $$->attr = ZEND_SYMBOL_CLASS; }
| T_USE use_type use_declarations ';' { $$ = $3; $$->attr = $2; }
| T_CONST const_list ';' { $$ = $2; }
;
use_type:
T_FUNCTION { $$ = ZEND_SYMBOL_FUNCTION; }
| T_CONST { $$ = ZEND_SYMBOL_CONST; }
;
group_use_declaration:
namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations possible_comma '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $1, $4); }
| T_NS_SEPARATOR namespace_name T_NS_SEPARATOR '{' unprefixed_use_declarations possible_comma '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $2, $5); }
;
mixed_group_use_declaration:
namespace_name T_NS_SEPARATOR '{' inline_use_declarations possible_comma '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $1, $4);}
| T_NS_SEPARATOR namespace_name T_NS_SEPARATOR '{' inline_use_declarations possible_comma '}'
{ $$ = zend_ast_create(ZEND_AST_GROUP_USE, $2, $5); }
;
possible_comma:
%empty
| ','
;
inline_use_declarations:
inline_use_declarations ',' inline_use_declaration
{ $$ = zend_ast_list_add($1, $3); }
| inline_use_declaration
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
unprefixed_use_declarations:
unprefixed_use_declarations ',' unprefixed_use_declaration
{ $$ = zend_ast_list_add($1, $3); }
| unprefixed_use_declaration
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
use_declarations:
use_declarations ',' use_declaration
{ $$ = zend_ast_list_add($1, $3); }
| use_declaration
{ $$ = zend_ast_create_list(1, ZEND_AST_USE, $1); }
;
inline_use_declaration:
unprefixed_use_declaration { $$ = $1; $$->attr = ZEND_SYMBOL_CLASS; }
| use_type unprefixed_use_declaration { $$ = $2; $$->attr = $1; }
;
unprefixed_use_declaration:
namespace_name
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $1, NULL); }
| namespace_name T_AS T_STRING
{ $$ = zend_ast_create(ZEND_AST_USE_ELEM, $1, $3); }
;
use_declaration:
unprefixed_use_declaration { $$ = $1; }
| T_NS_SEPARATOR unprefixed_use_declaration { $$ = $2; }
;
const_list:
const_list ',' const_decl { $$ = zend_ast_list_add($1, $3); }
| const_decl { $$ = zend_ast_create_list(1, ZEND_AST_CONST_DECL, $1); }
;
inner_statement_list:
inner_statement_list inner_statement
{ $$ = zend_ast_list_add($1, $2); }
| %empty
{ $$ = zend_ast_create_list(0, ZEND_AST_STMT_LIST); }
;
inner_statement:
statement { $$ = $1; }
| attributed_statement { $$ = $1; }
| attributes attributed_statement { $$ = zend_ast_with_attributes($2, $1); }
| T_HALT_COMPILER '(' ')' ';'
{ $$ = NULL; zend_throw_exception(zend_ce_compile_error,
"__HALT_COMPILER() can only be used from the outermost scope", 0); YYERROR; }
;
statement:
'{' inner_statement_list '}' { $$ = $2; }
| if_stmt { $$ = $1; }
| alt_if_stmt { $$ = $1; }
| T_WHILE '(' expr ')' while_statement
{ $$ = zend_ast_create(ZEND_AST_WHILE, $3, $5); }
| T_DO statement T_WHILE '(' expr ')' ';'
{ $$ = zend_ast_create(ZEND_AST_DO_WHILE, $2, $5); }
| T_FOR '(' for_exprs ';' for_exprs ';' for_exprs ')' for_statement
{ $$ = zend_ast_create(ZEND_AST_FOR, $3, $5, $7, $9); }
| T_SWITCH '(' expr ')' switch_case_list
{ $$ = zend_ast_create(ZEND_AST_SWITCH, $3, $5); }
| T_BREAK optional_expr ';' { $$ = zend_ast_create(ZEND_AST_BREAK, $2); }
| T_CONTINUE optional_expr ';' { $$ = zend_ast_create(ZEND_AST_CONTINUE, $2); }
| T_RETURN optional_expr ';' { $$ = zend_ast_create(ZEND_AST_RETURN, $2); }
| T_GLOBAL global_var_list ';' { $$ = $2; }
| T_STATIC static_var_list ';' { $$ = $2; }
| T_ECHO echo_expr_list ';' { $$ = $2; }
| T_INLINE_HTML { $$ = zend_ast_create(ZEND_AST_ECHO, $1); }
| expr ';' { $$ = $1; }
| T_UNSET '(' unset_variables possible_comma ')' ';' { $$ = $3; }
| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement
{ $$ = zend_ast_create(ZEND_AST_FOREACH, $3, $5, NULL, $7); }
| T_FOREACH '(' expr T_AS foreach_variable T_DOUBLE_ARROW foreach_variable ')'
foreach_statement
{ $$ = zend_ast_create(ZEND_AST_FOREACH, $3, $7, $5, $9); }
| T_DECLARE '(' const_list ')'
{ if (!zend_handle_encoding_declaration($3)) { YYERROR; } }
declare_statement
{ $$ = zend_ast_create(ZEND_AST_DECLARE, $3, $6); }
| ';' /* empty statement */ { $$ = NULL; }
| T_TRY '{' inner_statement_list '}' catch_list finally_statement
{ $$ = zend_ast_create(ZEND_AST_TRY, $3, $5, $6); }
| T_GOTO T_STRING ';' { $$ = zend_ast_create(ZEND_AST_GOTO, $2); }
| T_STRING ':' { $$ = zend_ast_create(ZEND_AST_LABEL, $1); }
;
catch_list:
%empty
{ $$ = zend_ast_create_list(0, ZEND_AST_CATCH_LIST); }
| catch_list T_CATCH '(' catch_name_list optional_variable ')' '{' inner_statement_list '}'
{ $$ = zend_ast_list_add($1, zend_ast_create(ZEND_AST_CATCH, $4, $5, $8)); }
;
catch_name_list:
class_name { $$ = zend_ast_create_list(1, ZEND_AST_NAME_LIST, $1); }
| catch_name_list '|' class_name { $$ = zend_ast_list_add($1, $3); }
;
optional_variable:
%empty { $$ = NULL; }
| T_VARIABLE { $$ = $1; }
;
finally_statement:
%empty { $$ = NULL; }
| T_FINALLY '{' inner_statement_list '}' { $$ = $3; }
;
unset_variables:
unset_variable { $$ = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1); }
| unset_variables ',' unset_variable { $$ = zend_ast_list_add($1, $3); }
;
unset_variable:
variable { $$ = zend_ast_create(ZEND_AST_UNSET, $1); }
;
function_declaration_statement:
function returns_ref T_STRING backup_doc_comment '(' parameter_list ')' return_type
backup_fn_flags '{' inner_statement_list '}' backup_fn_flags
{ $$ = zend_ast_create_decl(ZEND_AST_FUNC_DECL, $2 | $13, $1, $4,
zend_ast_get_str($3), $6, NULL, $11, $8, NULL); CG(extra_fn_flags) = $9; }
;
is_reference:
%empty { $$ = 0; }
| '&' { $$ = ZEND_PARAM_REF; }
;
is_variadic:
%empty { $$ = 0; }
| T_ELLIPSIS { $$ = ZEND_PARAM_VARIADIC; }
;
class_declaration_statement:
class_modifiers T_CLASS { $<num>$ = CG(zend_lineno); }
T_STRING extends_from implements_list backup_doc_comment '{' class_statement_list '}'
{ $$ = zend_ast_create_decl(ZEND_AST_CLASS, $1, $<num>3, $7, zend_ast_get_str($4), $5, $6, $9, NULL, NULL); }
| T_CLASS { $<num>$ = CG(zend_lineno); }
T_STRING extends_from implements_list backup_doc_comment '{' class_statement_list '}'
{ $$ = zend_ast_create_decl(ZEND_AST_CLASS, 0, $<num>2, $6, zend_ast_get_str($3), $4, $5, $8, NULL, NULL); }
;
class_modifiers:
class_modifier { $$ = $1; }
| class_modifiers class_modifier
{ $$ = zend_add_class_modifier($1, $2); if (!$$) { YYERROR; } }
;
class_modifier:
T_ABSTRACT { $$ = ZEND_ACC_EXPLICIT_ABSTRACT_CLASS; }
| T_FINAL { $$ = ZEND_ACC_FINAL; }
;
trait_declaration_statement:
T_TRAIT { $<num>$ = CG(zend_lineno); }
T_STRING backup_doc_comment '{' class_statement_list '}'
{ $$ = zend_ast_create_decl(ZEND_AST_CLASS, ZEND_ACC_TRAIT, $<num>2, $4, zend_ast_get_str($3), NULL, NULL, $6, NULL, NULL); }
;
interface_declaration_statement:
T_INTERFACE { $<num>$ = CG(zend_lineno); }
T_STRING interface_extends_list backup_doc_comment '{' class_statement_list '}'
{ $$ = zend_ast_create_decl(ZEND_AST_CLASS, ZEND_ACC_INTERFACE, $<num>2, $5, zend_ast_get_str($3), NULL, $4, $7, NULL, NULL); }
;
extends_from:
%empty { $$ = NULL; }
| T_EXTENDS class_name { $$ = $2; }
;
interface_extends_list:
%empty { $$ = NULL; }
| T_EXTENDS class_name_list { $$ = $2; }
;
implements_list:
%empty { $$ = NULL; }
| T_IMPLEMENTS class_name_list { $$ = $2; }
;
foreach_variable:
variable { $$ = $1; }
| '&' variable { $$ = zend_ast_create(ZEND_AST_REF, $2); }
| T_LIST '(' array_pair_list ')' { $$ = $3; $$->attr = ZEND_ARRAY_SYNTAX_LIST; }
| '[' array_pair_list ']' { $$ = $2; $$->attr = ZEND_ARRAY_SYNTAX_SHORT; }
;
for_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDFOR ';' { $$ = $2; }
;
foreach_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDFOREACH ';' { $$ = $2; }
;
declare_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDDECLARE ';' { $$ = $2; }
;
switch_case_list:
'{' case_list '}' { $$ = $2; }
| '{' ';' case_list '}' { $$ = $3; }
| ':' case_list T_ENDSWITCH ';' { $$ = $2; }
| ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; }
;
case_list:
%empty { $$ = zend_ast_create_list(0, ZEND_AST_SWITCH_LIST); }
| case_list T_CASE expr case_separator inner_statement_list
{ $$ = zend_ast_list_add($1, zend_ast_create(ZEND_AST_SWITCH_CASE, $3, $5)); }
| case_list T_DEFAULT case_separator inner_statement_list
{ $$ = zend_ast_list_add($1, zend_ast_create(ZEND_AST_SWITCH_CASE, NULL, $4)); }
;
case_separator:
':'
| ';'
;
while_statement:
statement { $$ = $1; }
| ':' inner_statement_list T_ENDWHILE ';' { $$ = $2; }
;
if_stmt_without_else:
T_IF '(' expr ')' statement
{ $$ = zend_ast_create_list(1, ZEND_AST_IF,
zend_ast_create(ZEND_AST_IF_ELEM, $3, $5)); }
| if_stmt_without_else T_ELSEIF '(' expr ')' statement
{ $$ = zend_ast_list_add($1,
zend_ast_create(ZEND_AST_IF_ELEM, $4, $6)); }
;
if_stmt:
if_stmt_without_else %prec T_NOELSE { $$ = $1; }
| if_stmt_without_else T_ELSE statement
{ $$ = zend_ast_list_add($1, zend_ast_create(ZEND_AST_IF_ELEM, NULL, $3)); }
;
alt_if_stmt_without_else:
T_IF '(' expr ')' ':' inner_statement_list
{ $$ = zend_ast_create_list(1, ZEND_AST_IF,
zend_ast_create(ZEND_AST_IF_ELEM, $3, $6)); }
| alt_if_stmt_without_else T_ELSEIF '(' expr ')' ':' inner_statement_list
{ $$ = zend_ast_list_add($1,
zend_ast_create(ZEND_AST_IF_ELEM, $4, $7)); }
;
alt_if_stmt:
alt_if_stmt_without_else T_ENDIF ';' { $$ = $1; }
| alt_if_stmt_without_else T_ELSE ':' inner_statement_list T_ENDIF ';'
{ $$ = zend_ast_list_add($1,
zend_ast_create(ZEND_AST_IF_ELEM, NULL, $4)); }
;
parameter_list:
non_empty_parameter_list possible_comma { $$ = $1; }
| %empty { $$ = zend_ast_create_list(0, ZEND_AST_PARAM_LIST); }
;
non_empty_parameter_list:
attributed_parameter
{ $$ = zend_ast_create_list(1, ZEND_AST_PARAM_LIST, $1); }
| non_empty_parameter_list ',' attributed_parameter
{ $$ = zend_ast_list_add($1, $3); }
;
attributed_parameter:
attributes parameter { $$ = zend_ast_with_attributes($2, $1); }
| parameter { $$ = $1; }
;
optional_visibility_modifier:
%empty { $$ = 0; }
| T_PUBLIC { $$ = ZEND_ACC_PUBLIC; }
| T_PROTECTED { $$ = ZEND_ACC_PROTECTED; }
| T_PRIVATE { $$ = ZEND_ACC_PRIVATE; }
;
parameter:
optional_visibility_modifier optional_type_without_static
is_reference is_variadic T_VARIABLE backup_doc_comment
{ $$ = zend_ast_create_ex(ZEND_AST_PARAM, $1 | $3 | $4, $2, $5, NULL,
NULL, $6 ? zend_ast_create_zval_from_str($6) : NULL); }
| optional_visibility_modifier optional_type_without_static
is_reference is_variadic T_VARIABLE backup_doc_comment '=' expr
{ $$ = zend_ast_create_ex(ZEND_AST_PARAM, $1 | $3 | $4, $2, $5, $8,
NULL, $6 ? zend_ast_create_zval_from_str($6) : NULL); }
;
optional_type_without_static:
%empty { $$ = NULL; }
| type_expr_without_static { $$ = $1; }
;
type_expr:
type { $$ = $1; }
| '?' type { $$ = $2; $$->attr |= ZEND_TYPE_NULLABLE; }
| union_type { $$ = $1; }
;
type:
type_without_static { $$ = $1; }
| T_STATIC { $$ = zend_ast_create_ex(ZEND_AST_TYPE, IS_STATIC); }
;
union_type:
type '|' type { $$ = zend_ast_create_list(2, ZEND_AST_TYPE_UNION, $1, $3); }
| union_type '|' type { $$ = zend_ast_list_add($1, $3); }
;
/* Duplicate the type rules without "static",
* to avoid conflicts with "static" modifier for properties. */
type_expr_without_static:
type_without_static { $$ = $1; }
| '?' type_without_static { $$ = $2; $$->attr |= ZEND_TYPE_NULLABLE; }
| union_type_without_static { $$ = $1; }
;
type_without_static:
T_ARRAY { $$ = zend_ast_create_ex(ZEND_AST_TYPE, IS_ARRAY); }
| T_CALLABLE { $$ = zend_ast_create_ex(ZEND_AST_TYPE, IS_CALLABLE); }
| name { $$ = $1; }
;
union_type_without_static:
type_without_static '|' type_without_static
{ $$ = zend_ast_create_list(2, ZEND_AST_TYPE_UNION, $1, $3); }
| union_type_without_static '|' type_without_static
{ $$ = zend_ast_list_add($1, $3); }
;
return_type:
%empty { $$ = NULL; }
| ':' type_expr { $$ = $2; }
;
argument_list:
'(' ')' { $$ = zend_ast_create_list(0, ZEND_AST_ARG_LIST); }
| '(' non_empty_argument_list possible_comma ')' { $$ = $2; }
;
non_empty_argument_list:
argument
{ $$ = zend_ast_create_list(1, ZEND_AST_ARG_LIST, $1); }
| non_empty_argument_list ',' argument
{ $$ = zend_ast_list_add($1, $3); }
;
argument:
expr { $$ = $1; }
| T_ELLIPSIS expr { $$ = zend_ast_create(ZEND_AST_UNPACK, $2); }
;
global_var_list:
global_var_list ',' global_var { $$ = zend_ast_list_add($1, $3); }
| global_var { $$ = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1); }
;
global_var:
simple_variable
{ $$ = zend_ast_create(ZEND_AST_GLOBAL, zend_ast_create(ZEND_AST_VAR, $1)); }
;
static_var_list:
static_var_list ',' static_var { $$ = zend_ast_list_add($1, $3); }
| static_var { $$ = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1); }
;
static_var:
T_VARIABLE { $$ = zend_ast_create(ZEND_AST_STATIC, $1, NULL); }
| T_VARIABLE '=' expr { $$ = zend_ast_create(ZEND_AST_STATIC, $1, $3); }
;
class_statement_list:
class_statement_list class_statement
{ $$ = zend_ast_list_add($1, $2); }
| %empty
{ $$ = zend_ast_create_list(0, ZEND_AST_STMT_LIST); }
;
attributed_class_statement:
variable_modifiers optional_type_without_static property_list ';'
{ $$ = zend_ast_create(ZEND_AST_PROP_GROUP, $2, $3, NULL);
$$->attr = $1; }
| method_modifiers T_CONST class_const_list ';'
{ $$ = zend_ast_create(ZEND_AST_CLASS_CONST_GROUP, $3, NULL); $3->attr = $1; }
| method_modifiers function returns_ref identifier backup_doc_comment '(' parameter_list ')'
return_type backup_fn_flags method_body backup_fn_flags
{ $$ = zend_ast_create_decl(ZEND_AST_METHOD, $3 | $1 | $12, $2, $5,
zend_ast_get_str($4), $7, NULL, $11, $9, NULL); CG(extra_fn_flags) = $10; }
class_statement:
attributed_class_statement { $$ = $1; }
| attributes attributed_class_statement { $$ = zend_ast_with_attributes($2, $1); }
| T_USE class_name_list trait_adaptations
{ $$ = zend_ast_create(ZEND_AST_USE_TRAIT, $2, $3); }
;
class_name_list:
class_name { $$ = zend_ast_create_list(1, ZEND_AST_NAME_LIST, $1); }
| class_name_list ',' class_name { $$ = zend_ast_list_add($1, $3); }
;
trait_adaptations:
';' { $$ = NULL; }
| '{' '}' { $$ = NULL; }
| '{' trait_adaptation_list '}' { $$ = $2; }
;
trait_adaptation_list:
trait_adaptation
{ $$ = zend_ast_create_list(1, ZEND_AST_TRAIT_ADAPTATIONS, $1); }
| trait_adaptation_list trait_adaptation
{ $$ = zend_ast_list_add($1, $2); }
;
trait_adaptation:
trait_precedence ';' { $$ = $1; }
| trait_alias ';' { $$ = $1; }
;
trait_precedence:
absolute_trait_method_reference T_INSTEADOF class_name_list
{ $$ = zend_ast_create(ZEND_AST_TRAIT_PRECEDENCE, $1, $3); }
;
trait_alias:
trait_method_reference T_AS T_STRING
{ $$ = zend_ast_create(ZEND_AST_TRAIT_ALIAS, $1, $3); }
| trait_method_reference T_AS reserved_non_modifiers
{ zval zv; zend_lex_tstring(&zv); $$ = zend_ast_create(ZEND_AST_TRAIT_ALIAS, $1, zend_ast_create_zval(&zv)); }
| trait_method_reference T_AS member_modifier identifier
{ $$ = zend_ast_create_ex(ZEND_AST_TRAIT_ALIAS, $3, $1, $4); }
| trait_method_reference T_AS member_modifier
{ $$ = zend_ast_create_ex(ZEND_AST_TRAIT_ALIAS, $3, $1, NULL); }
;
trait_method_reference:
identifier
{ $$ = zend_ast_create(ZEND_AST_METHOD_REFERENCE, NULL, $1); }
| absolute_trait_method_reference { $$ = $1; }
;
absolute_trait_method_reference:
class_name T_PAAMAYIM_NEKUDOTAYIM identifier
{ $$ = zend_ast_create(ZEND_AST_METHOD_REFERENCE, $1, $3); }
;
method_body:
';' /* abstract method */ { $$ = NULL; }
| '{' inner_statement_list '}' { $$ = $2; }
;
variable_modifiers:
non_empty_member_modifiers { $$ = $1; }
| T_VAR { $$ = ZEND_ACC_PUBLIC; }
;
method_modifiers:
%empty { $$ = ZEND_ACC_PUBLIC; }
| non_empty_member_modifiers
{ $$ = $1; if (!($$ & ZEND_ACC_PPP_MASK)) { $$ |= ZEND_ACC_PUBLIC; } }
;
non_empty_member_modifiers:
member_modifier { $$ = $1; }
| non_empty_member_modifiers member_modifier
{ $$ = zend_add_member_modifier($1, $2); if (!$$) { YYERROR; } }
;
member_modifier:
T_PUBLIC { $$ = ZEND_ACC_PUBLIC; }
| T_PROTECTED { $$ = ZEND_ACC_PROTECTED; }
| T_PRIVATE { $$ = ZEND_ACC_PRIVATE; }
| T_STATIC { $$ = ZEND_ACC_STATIC; }
| T_ABSTRACT { $$ = ZEND_ACC_ABSTRACT; }
| T_FINAL { $$ = ZEND_ACC_FINAL; }
;
property_list:
property_list ',' property { $$ = zend_ast_list_add($1, $3); }
| property { $$ = zend_ast_create_list(1, ZEND_AST_PROP_DECL, $1); }
;
property:
T_VARIABLE backup_doc_comment
{ $$ = zend_ast_create(ZEND_AST_PROP_ELEM, $1, NULL, ($2 ? zend_ast_create_zval_from_str($2) : NULL)); }
| T_VARIABLE '=' expr backup_doc_comment
{ $$ = zend_ast_create(ZEND_AST_PROP_ELEM, $1, $3, ($4 ? zend_ast_create_zval_from_str($4) : NULL)); }
;
class_const_list:
class_const_list ',' class_const_decl { $$ = zend_ast_list_add($1, $3); }
| class_const_decl { $$ = zend_ast_create_list(1, ZEND_AST_CLASS_CONST_DECL, $1); }
;
class_const_decl:
identifier '=' expr backup_doc_comment { $$ = zend_ast_create(ZEND_AST_CONST_ELEM, $1, $3, ($4 ? zend_ast_create_zval_from_str($4) : NULL)); }
;
const_decl:
T_STRING '=' expr backup_doc_comment { $$ = zend_ast_create(ZEND_AST_CONST_ELEM, $1, $3, ($4 ? zend_ast_create_zval_from_str($4) : NULL)); }
;
echo_expr_list:
echo_expr_list ',' echo_expr { $$ = zend_ast_list_add($1, $3); }
| echo_expr { $$ = zend_ast_create_list(1, ZEND_AST_STMT_LIST, $1); }
;
echo_expr:
expr { $$ = zend_ast_create(ZEND_AST_ECHO, $1); }
;
for_exprs:
%empty { $$ = NULL; }
| non_empty_for_exprs { $$ = $1; }
;
non_empty_for_exprs:
non_empty_for_exprs ',' expr { $$ = zend_ast_list_add($1, $3); }
| expr { $$ = zend_ast_create_list(1, ZEND_AST_EXPR_LIST, $1); }
;
anonymous_class:
T_CLASS { $<num>$ = CG(zend_lineno); } ctor_arguments
extends_from implements_list backup_doc_comment '{' class_statement_list '}' {
zend_ast *decl = zend_ast_create_decl(
ZEND_AST_CLASS, ZEND_ACC_ANON_CLASS, $<num>2, $6, NULL,
$4, $5, $8, NULL, NULL);
$$ = zend_ast_create(ZEND_AST_NEW, decl, $3);
}
;
new_expr:
T_NEW class_name_reference ctor_arguments
{ $$ = zend_ast_create(ZEND_AST_NEW, $2, $3); }
| T_NEW anonymous_class
{ $$ = $2; }
| T_NEW attributes anonymous_class
{ zend_ast_with_attributes($3->child[0], $2); $$ = $3; }
;
expr:
variable
{ $$ = $1; }
| T_LIST '(' array_pair_list ')' '=' expr
{ $3->attr = ZEND_ARRAY_SYNTAX_LIST; $$ = zend_ast_create(ZEND_AST_ASSIGN, $3, $6); }
| '[' array_pair_list ']' '=' expr
{ $2->attr = ZEND_ARRAY_SYNTAX_SHORT; $$ = zend_ast_create(ZEND_AST_ASSIGN, $2, $5); }
| variable '=' expr
{ $$ = zend_ast_create(ZEND_AST_ASSIGN, $1, $3); }
| variable '=' '&' variable
{ $$ = zend_ast_create(ZEND_AST_ASSIGN_REF, $1, $4); }
| T_CLONE expr { $$ = zend_ast_create(ZEND_AST_CLONE, $2); }
| variable T_PLUS_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_ADD, $1, $3); }
| variable T_MINUS_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_SUB, $1, $3); }
| variable T_MUL_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_MUL, $1, $3); }
| variable T_POW_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_POW, $1, $3); }
| variable T_DIV_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_DIV, $1, $3); }
| variable T_CONCAT_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_CONCAT, $1, $3); }
| variable T_MOD_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_MOD, $1, $3); }
| variable T_AND_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_BW_AND, $1, $3); }
| variable T_OR_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_BW_OR, $1, $3); }
| variable T_XOR_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_BW_XOR, $1, $3); }
| variable T_SL_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_SL, $1, $3); }
| variable T_SR_EQUAL expr
{ $$ = zend_ast_create_assign_op(ZEND_SR, $1, $3); }
| variable T_COALESCE_EQUAL expr
{ $$ = zend_ast_create(ZEND_AST_ASSIGN_COALESCE, $1, $3); }
| variable T_INC { $$ = zend_ast_create(ZEND_AST_POST_INC, $1); }
| T_INC variable { $$ = zend_ast_create(ZEND_AST_PRE_INC, $2); }