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GeezerVison is showing github.com — lpython/src/lpython/parser/parser.yy at main · lcompilers/lpython Expand file tree/ Copy pathparser.yyMore file actions 1263 lines (1110 loc) · 40.8 KB / Copy pathparser.yyFile metadata and controls1263 lines (1110 loc) · 40.8 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 %require "3.0" %define api.pure %define api.value.type {LCompilers::LPython::YYSTYPE} %param {LCompilers::LPython::Parser &p} %locations %expect 0 // shift/reduce conflicts // Uncomment this to get verbose error messages //%define parse.error verbose /* // Uncomment this to enable parser tracing. Then in the main code, set // extern int yydebug; // yydebug=1; %define parse.trace %printer { fprintf(yyo, "%s", $$.str().c_str()); } <string> %printer { fprintf(yyo, "%d", $$); } <n> %printer { std::cerr << "AST TYPE: " << $$->type; } <ast> */ %code requires // *.h { #include <lpython/parser/parser.h> } %code // *.cpp { #include <lpython/parser/parser.h> #include <lpython/parser/tokenizer.h> #include <lpython/parser/semantics.h> int yylex(LCompilers::LPython::YYSTYPE *yylval, YYLTYPE *yyloc, LCompilers::LPython::Parser &p) { return p.m_tokenizer.lex(p.m_a, *yylval, *yyloc, p.diag); } // ylex void yyerror(YYLTYPE *yyloc, LCompilers::LPython::Parser &p, const std::string &msg) { p.handle_yyerror(*yyloc, msg); } #define YYLLOC_DEFAULT(Current, Rhs, N) \ do \ if (N) \ { \ (Current).first = YYRHSLOC (Rhs, 1).first; \ (Current).last = YYRHSLOC (Rhs, N).last; \ } \ else \ { \ (Current).first = (Current).last = \ YYRHSLOC (Rhs, 0).last; \ } \ while (0) } // code // ----------------------------------------------------------------------------- // List of tokens // All tokens that we use (including "+" and such) are declared here first // using the %token line. Each token will end up a member of the "enum // yytokentype" in parser.tab.hh. Tokens can have a string equivalent (such as // "+" for TK_PLUS) that is used later in the file to simplify reading it, but // it is equivalent to TK_PLUS. Bison also allows so called "character token // type" which are specified using single quotes (and that bypass the %token // definitions), and those are not used here, and we test that the whole file // does not contain any single quotes to ensure that. // // If this list is updated, update also token2text() in parser.cpp. // Terminal tokens %token END_OF_FILE 0 %token TK_NEWLINE %token TK_INDENT %token TK_DEDENT %token <string> TK_NAME %token <n> TK_INTEGER %token <f> TK_REAL %token <f> TK_IMAG_NUM %token TK_PLUS "+" %token TK_MINUS "-" %token TK_STAR "*" %token TK_SLASH "/" %token TK_COLON ":" %token TK_SEMICOLON ";" %token TK_COMMA "," %token TK_EQUAL "=" %token TK_LPAREN "(" %token TK_RPAREN ")" %token TK_LBRACKET "[" %token TK_RBRACKET "]" %token TK_LBRACE "{" %token TK_RBRACE "}" %token TK_PERCENT "%" %token TK_VBAR "|" %token TK_AMPERSAND "&" %token TK_DOT "." %token TK_TILDE "~" %token TK_CARET "^" %token TK_AT "@" %token <string> TK_STRING %token <string> TK_COMMENT %token <string> TK_EOLCOMMENT %token <string> TK_TYPE_COMMENT %token <string> TK_TYPE_IGNORE %token TK_POW "**" %token TK_FLOOR_DIV "//" %token TK_RIGHTSHIFT ">>" %token TK_LEFTSHIFT "<<" %token TK_PLUS_EQUAL "+=" %token TK_MIN_EQUAL "-=" %token TK_STAR_EQUAL "*=" %token TK_SLASH_EQUAL "/=" %token TK_PERCENT_EQUAL "%=" %token TK_AMPER_EQUAL "&=" %token TK_VBAR_EQUAL "|=" %token TK_CARET_EQUAL "^=" %token TK_ATEQUAL "@=" %token TK_RARROW "->" %token TK_COLONEQUAL ":=" %token TK_ELLIPSIS "..." %token TK_LEFTSHIFT_EQUAL "<<=" %token TK_RIGHTSHIFT_EQUAL ">>=" %token TK_POW_EQUAL "**=" %token TK_DOUBLESLASH_EQUAL "//=" %token TK_EQ "==" %token TK_NE "!=" %token TK_LT "<" %token TK_LE "<=" %token TK_GT ">" %token TK_GE ">=" %token TK_NOT "not" %token TK_IS_NOT "is not" %token TK_NOT_IN "not in" %token TK_AND "and" %token TK_OR "or" %token TK_TRUE "True" %token TK_FALSE "False" // Terminal tokens: Keywords %token KW_AS %token KW_ASSERT %token KW_ASYNC %token KW_AWAIT %token KW_BREAK %token KW_CLASS %token KW_CONTINUE %token KW_DEF %token KW_DEL %token KW_ELIF %token KW_ELSE %token KW_EXCEPT %token KW_FINALLY %token KW_FOR %token KW_FROM %token KW_GLOBAL %token KW_IF %token KW_IMPORT %token KW_IN "in" %token KW_IS "is" %token KW_LAMBDA %token KW_NONE %token KW_NONLOCAL %token KW_PASS %token KW_RAISE %token KW_RETURN %token KW_TRY %token KW_WHILE %token KW_WITH %token KW_YIELD %token KW_YIELD_FROM // Soft Keywords %token KW_MATCH %token KW_CASE %token KW_STR_PREFIX %type <string> KW_STR_PREFIX // Nonterminal tokens %type <ast> script_unit %type <ast> id %type <ast> expr %type <vec_ast> expr_list %type <vec_ast> expr_list_opt %type <ast> tuple_list %type <ast> statement %type <vec_ast> statements %type <vec_ast> sep_statements %type <vec_ast> body_stmts %type <vec_ast> single_line_statements %type <vec_ast> statements1 %type <vec_ast> single_line_multi_statements %type <vec_ast> single_line_multi_statements_opt %type <ast> single_line_statement %type <ast> multi_line_statement %type <ast> augassign_statement %type <operator_type> augassign_op %type <ast> pass_statement %type <ast> continue_statement %type <ast> break_statement %type <ast> raise_statement %type <ast> assert_statement %type <ast> import_statement %type <ast> global_statement %type <ast> nonlocal_statement %type <ast> assignment_statement %type <vec_ast> target_list %type <ast> ann_assignment_statement %type <ast> delete_statement %type <ast> return_statement %type <ast> expression_statment %type <vec_ast> module %type <alias> module_as_id %type <vec_alias> module_item_list %type <ast> if_statement %type <ast> elif_statement %type <ast> for_statement %type <ast> for_target_list %type <ast> except_statement %type <vec_ast> except_list %type <ast> try_statement %type <ast> function_def %type <args> parameter_list_opt %type <arg> parameter %type <fn_arg> parameter_list %type <args_> parameter_list_no_posonly %type <var_kw> parameter_list_starargs %type <vec_arg> defparameter_list %type <vec_ast> decorators %type <vec_ast> decorators_opt %type <ast> class_def %type <key_val> dict %type <vec_key_val> dict_list %type <ast> slice_item %type <ast> slice_items %type <vec_ast> slice_item_list %type <ast> with_statement %type <vec_withitem> with_as_items %type <withitem> with_item %type <vec_withitem> with_as_items_list_1 %type <vec_withitem> with_as_items_list_2 %type <ast> async_func_def %type <ast> async_for_stmt %type <ast> async_with_stmt %type <vec_kw_or_star> positional_items %type <kw_or_star> starred_and_keyword %type <vec_keyword> keywords_arguments %type <ast> function_call %type <call_arg> call_arguement_list %type <ast> primary %type <ast> while_statement %type <vec_ast> sep %type <ast> sep_one %type <string> type_comment %type <ast> string %type <ast> ternary_if_statement %type <ast> comprehension %type <vec_ast> id_list %type <vec_ast> id_list_opt %type <ast> id_item %type <ast> subscript %type <comp> comp_for %type <vec_ast> comp_if_items %type <vec_comp> comp_for_items %type <ast> lambda_expression %type <args> lambda_parameter_list_opt %type <arg> lambda_parameter %type <fn_arg> lambda_parameter_list %type <args_> lambda_parameter_list_no_posonly %type <var_kw> lambda_parameter_list_starargs %type <vec_arg> lambda_defparameter_list %type <ast> yield_expr %type <ast> match_statement %type <ast> numbers %type <ast> literal_pattern %type <ast> singleton_pattern %type <ast> attr %type <vec_match_case> case_blocks %type <pattern> pattern_1 %type <pattern> pattern_2 %type <pattern> closed_pattern %type <vec_pattern> or_pattern %type <pattern> sequence_pattern %type <pattern> star_pattern %type <vec_pattern> open_sequence_pattern %type <pattern> mapping_pattern %type <kw_val_pattern> key_value_pattern %type <vec_kw_val_pattern> items_pattern %type <vec_pattern> positional_patterns %type <ast> class_name %type <pattern> class_pattern %type <vec_kw_val_pattern> keyword_patterns %type <match_case> case_block // Precedence %precedence ":=" %precedence LAMBDA %left KW_IF KW_ELSE %left "or" %left "and" %precedence "not" %left "==" "!=" ">=" ">" "<=" "<" "is not" "is" "not in" "in" %precedence FOR %left "|" %left "^" %left "&" %left ">>" "<<" %left "-" "+" %left "%" "//" "/" "@" "*" %precedence UNARY %right "**" %precedence AWAIT %precedence "." %start units %% // The order of rules does not matter in Bison (unlike in ANTLR). The // precedence is specified not by the order but by %left and %right directives // as well as with %dprec. // ---------------------------------------------------------------------------- // Top level rules to be used for parsing. // Higher %dprec means higher precedence units : units script_unit { RESULT($2); } | script_unit { RESULT($1); } | sep ; script_unit : statement ; statements : TK_INDENT statements1 TK_DEDENT { FLOC(@$, @2); LLOC(@$,@2); $$ = $2; } ; sep_statements : sep statements { FLOC(@$, @2); $$ = $2; } | type_ignore_sep statements { FLOC(@$, @2); $$ = $2; } ; body_stmts : single_line_statements { $$ = $1; } | sep_statements { $$ = $1; } ; statements1 : statements1 statement { $$ = $1; LIST_ADD($$, $2); } | statement { LIST_NEW($$); LIST_ADD($$, $1); } ; single_line_statements : single_line_multi_statements TK_NEWLINE { LLOC(@$,@1); $$ = $1; } | single_line_multi_statements TK_EOLCOMMENT { $$ = $1; } | single_line_statement TK_NEWLINE { LLOC(@$,@1); $$ = A2LIST(p.m_a, $1); } | single_line_statement TK_SEMICOLON TK_NEWLINE { $$ = A2LIST(p.m_a, $1); } | single_line_statement TK_SEMICOLON TK_EOLCOMMENT { $$ = A2LIST(p.m_a, $1); } | single_line_statement TK_EOLCOMMENT { $$ = A2LIST(p.m_a, $1); } ; single_line_multi_statements : single_line_multi_statements_opt single_line_statement { $$ = $1; LIST_ADD($$, $2); } | single_line_multi_statements_opt single_line_statement ";" { $$ = $1; LIST_ADD($$, $2); } ; single_line_multi_statements_opt : single_line_multi_statements_opt single_line_statement ";" { $$ = $1; LIST_ADD($$, $2); } | single_line_statement ";" { LIST_NEW($$); LIST_ADD($$, $1); } ; type_ignore_sep : TK_TYPE_IGNORE sep { extract_type_comment(p, @$, $1); } | sep TK_TYPE_IGNORE sep { extract_type_comment(p, @$, $2); } ; statement : single_line_statement sep { LLOC(@$,@1); $$ = $1; } | single_line_statement type_ignore_sep { $$ = $1; } | multi_line_statement | multi_line_statement sep { LLOC(@$,@1); $$ = $1; } | multi_line_statement type_ignore_sep { $$ = $1; } ; single_line_statement : expression_statment | assert_statement | assignment_statement | augassign_statement | ann_assignment_statement | pass_statement | delete_statement | return_statement | raise_statement | break_statement | continue_statement | import_statement | global_statement | nonlocal_statement ; multi_line_statement : if_statement | for_statement | try_statement | with_statement | match_statement | function_def | class_def | async_func_def | async_for_stmt | async_with_stmt | while_statement ; yield_expr : KW_YIELD { $$ = YIELD_01(@$); } | KW_YIELD tuple_list { $$ = YIELD_02($2, @$); } | KW_YIELD_FROM tuple_list { $$ = YIELD_03($2, @$); } ; expression_statment : tuple_list { $$ = EXPR_01($1, @$); } | yield_expr { $$ = EXPR_01($1, @$); } ; pass_statement : KW_PASS { $$ = PASS(@$); } ; break_statement : KW_BREAK { $$ = BREAK(@$); } ; continue_statement : KW_CONTINUE { $$ = CONTINUE(@$); } ; raise_statement : KW_RAISE { $$ = RAISE_01(@$); } | KW_RAISE expr { $$ = RAISE_02($2, @$); } | KW_RAISE expr KW_FROM expr { $$ = RAISE_03($2, $4, @$); } ; assert_statement : KW_ASSERT expr { $$ = ASSERT_01($2, @$); } | KW_ASSERT expr "," expr { $$ = ASSERT_02($2, $4, @$); } ; target_list : target_list tuple_list "=" { $$ = $1; LIST_ADD($$, $2); } | tuple_list "=" { LIST_NEW($$); LIST_ADD($$, $1); } ; assignment_statement : target_list tuple_list { $$ = ASSIGNMENT($1, $2, @$); } | target_list yield_expr { $$ = ASSIGNMENT($1, $2, @$); } | target_list tuple_list TK_TYPE_COMMENT { $$ = ASSIGNMENT2($1, $2, $3, @$); } ; augassign_statement : expr augassign_op tuple_list { $$ = AUGASSIGN_01($1, $2, $3, @$); } ; augassign_op : "+=" { $$ = OPERATOR(Add, @$); } | "-=" { $$ = OPERATOR(Sub, @$); } | "*=" { $$ = OPERATOR(Mult, @$); } | "/=" { $$ = OPERATOR(Div, @$); } | "%=" { $$ = OPERATOR(Mod, @$); } | "&=" { $$ = OPERATOR(BitAnd, @$); } | "|=" { $$ = OPERATOR(BitOr, @$); } | "^=" { $$ = OPERATOR(BitXor, @$); } | "<<=" { $$ = OPERATOR(LShift, @$); } | ">>=" { $$ = OPERATOR(RShift, @$); } | "**=" { $$ = OPERATOR(Pow, @$); } | "//=" { $$ = OPERATOR(FloorDiv, @$); } | "@=" { $$ = OPERATOR(MatMult, @$); } ; ann_assignment_statement : expr ":" expr { $$ = ANNASSIGN_01($1, $3, @$); } | expr ":" expr "=" tuple_list { $$ = ANNASSIGN_02($1, $3, $5, @$); } ; delete_statement : KW_DEL expr_list { $$ = DELETE_01($2, @$); } | KW_DEL expr_list "," { $$ = DELETE_01($2, @$); } ; return_statement : KW_RETURN { $$ = RETURN_01(@$); } | KW_RETURN tuple_list { $$ = RETURN_02($2, @$); } | KW_RETURN yield_expr { $$ = RETURN_02($2, @$); } ; module : module "." id { $$ = $1; LIST_ADD($$, $3); } | id { LIST_NEW($$); LIST_ADD($$, $1); } ; module_as_id : module { $$ = MOD_ID_01($1, @$); } | module KW_AS id { $$ = MOD_ID_02($1, $3, @$); } | "*" { $$ = MOD_ID_03("*", @$); } ; module_item_list : module_item_list "," module_as_id { $$ = $1; PLIST_ADD($$, $3); } | module_item_list "," TK_TYPE_IGNORE module_as_id { $$ = $1; PLIST_ADD($$, $4); extract_type_comment(p, @$, $3); } | module_as_id { LIST_NEW($$); PLIST_ADD($$, $1); } ; dot_list : dot_list "." { DOT_COUNT_01(); } | "." { DOT_COUNT_01(); } | dot_list "..." { DOT_COUNT_02(); } | "..." { DOT_COUNT_02(); } ; type_ignore_opt : TK_TYPE_IGNORE { extract_type_comment(p, @$, $1); } | "," TK_TYPE_IGNORE { extract_type_comment(p, @$, $2); } | comma_opt ; import_statement : KW_IMPORT module_item_list { $$ = IMPORT_01($2, @$); } | KW_FROM module KW_IMPORT module_item_list { $$ = IMPORT_02($2, $4, @$); } | KW_FROM module KW_IMPORT "(" module_item_list type_ignore_opt ")" { $$ = IMPORT_02($2, $5, @$); } | KW_FROM dot_list KW_IMPORT module_item_list { $$ = IMPORT_03($4, @$); } | KW_FROM dot_list module KW_IMPORT module_item_list { $$ = IMPORT_04($3, $5, @$); } | KW_FROM dot_list KW_IMPORT "(" module_item_list type_ignore_opt ")" { $$ = IMPORT_03($5, @$); } | KW_FROM dot_list module KW_IMPORT "(" module_item_list type_ignore_opt ")" { $$ = IMPORT_04($3, $6, @$); } ; global_statement : KW_GLOBAL expr_list { $$ = GLOBAL($2, @$); } ; ternary_if_statement : expr KW_IF expr KW_ELSE expr { $$ = TERNARY($3, $1, $5, @$); } ; nonlocal_statement : KW_NONLOCAL expr_list { $$ = NON_LOCAL($2, @$); } ; elif_statement : KW_ELIF expr ":" body_stmts { $$ = IF_STMT_01($2, $4, @$); } | KW_ELIF expr ":" body_stmts KW_ELSE ":" body_stmts { $$ = IF_STMT_02($2, $4, $7, @$); } | KW_ELIF expr ":" body_stmts elif_statement { $$ = IF_STMT_03($2, $4, $5, @$); } ; if_statement : KW_IF expr ":" body_stmts { $$ = IF_STMT_01($2, $4, @$); } | KW_IF expr ":" body_stmts KW_ELSE ":" body_stmts { $$ = IF_STMT_02($2, $4, $7, @$); } | KW_IF expr ":" body_stmts elif_statement { $$ = IF_STMT_03($2, $4, $5, @$); } ; for_target_list : expr %prec FOR { $$ = $1; } | expr_list "," expr %prec FOR { $$ = TUPLE_01(TUPLE_($1, $3), @$); } | expr_list "," %prec FOR { $$ = TUPLE_03($1, @$); } ; tuple_list : expr { $$ = $1; } | expr_list "," expr { $$ = TUPLE_01(TUPLE_($1, $3), @$); } | expr_list "," { $$ = TUPLE_03($1, @$); } ; for_statement : KW_FOR for_target_list KW_IN tuple_list ":" body_stmts { $$ = FOR_01($2, $4, $6, @$); } | KW_FOR for_target_list KW_IN tuple_list ":" body_stmts KW_ELSE ":" body_stmts { $$ = FOR_02($2, $4, $6, $9, @$); } | KW_FOR for_target_list KW_IN tuple_list ":" TK_TYPE_COMMENT sep statements { $$ = FOR_03($2, $4, $6, $8, @$); } | KW_FOR for_target_list KW_IN tuple_list ":" TK_TYPE_COMMENT sep statements KW_ELSE ":" body_stmts { $$ = FOR_04($2, $4, $8, $11, $6, @$); } ; except_statement : KW_EXCEPT ":" body_stmts { $$ = EXCEPT_01($3, @$); } | KW_EXCEPT expr ":" body_stmts { $$ = EXCEPT_02($2, $4, @$); } | KW_EXCEPT expr KW_AS id ":" body_stmts { $$ = EXCEPT_03($2, $4, $6, @$); } ; except_list : except_list except_statement { $$ = $1; LIST_ADD($$, $2); } | except_statement { LIST_NEW($$); LIST_ADD($$, $1); } ; try_statement : KW_TRY ":" body_stmts except_list { $$ = TRY_01($3, $4, @$); } | KW_TRY ":" body_stmts except_list KW_ELSE ":" body_stmts { $$ = TRY_02($3, $4, $7, @$); } | KW_TRY ":" body_stmts except_list KW_FINALLY ":" body_stmts { $$ = TRY_03($3, $4, $7, @$); } | KW_TRY ":" body_stmts except_list KW_ELSE ":" body_stmts KW_FINALLY ":" body_stmts { $$ = TRY_04($3, $4, $7, $10, @$); } | KW_TRY ":" body_stmts KW_FINALLY ":" body_stmts { $$ = TRY_05($3, $6, @$); } ; with_item : expr KW_AS expr { $$ = WITH_ITEM_01($1, $3, @$); } | expr { $$ = WITH_ITEM_02($1, @$); } ; with_as_items_list_1 : with_as_items_list_1 "," with_item { $$ = $1; PLIST_ADD($$, $3); } | with_item { LIST_NEW($$); PLIST_ADD($$, $1); } ; with_as_items_list_2 : with_as_items_list_2 "," expr KW_AS expr { $$ = $1; PLIST_ADD($$, WITH_ITEM_01($3, $5, @$)); } | expr KW_AS expr { LIST_NEW($$); PLIST_ADD($$, WITH_ITEM_01($1, $3, @$)); } ; with_as_items : with_as_items_list_1 { $$ = $1; } | "(" with_as_items_list_2 ")" { $$ = $2; } | "(" with_as_items_list_2 "," ")" { $$ = $2; } ; with_statement : KW_WITH with_as_items ":" body_stmts { $$ = WITH_01($2, $4, @$); } | KW_WITH with_as_items ":" TK_TYPE_COMMENT sep statements { $$ = WITH_02($2, $6, $4, @$); } ; class_name : id { $$ = $1; } | attr { $$ = $1; } ; class_pattern : class_name "(" ")" { $$ = MATCH_CLASS_01($1, @$); } | class_name "(" positional_patterns ")" { $$ = MATCH_CLASS_02($1, $3, @$); } | class_name "(" positional_patterns "," keyword_patterns ")" { $$ = MATCH_CLASS_03($1, $3, $5, @$); } | class_name "(" keyword_patterns ")" { $$ = MATCH_CLASS_04($1, $3, @$); } ; positional_patterns : positional_patterns "," pattern_2 { $$ = $1; LIST_ADD($$, $3); } | pattern_2 { LIST_NEW($$); LIST_ADD($$, $1); } ; keyword_patterns : keyword_patterns "," id "=" pattern_2 { $$ = $1; PLIST_ADD($$, KEY_VAL_PATTERN(p.m_a, EXPR($3), $5)); } | id "=" pattern_2 { LIST_NEW($$); PLIST_ADD($$, KEY_VAL_PATTERN(p.m_a, EXPR($1), $3)); } ; mapping_pattern : "{" "}" { $$ = MATCH_MAPPING_01(@$); } | "{" items_pattern "}" { $$ = MATCH_MAPPING_02($2, @$); } | "{" items_pattern "," "**" id "}" { $$ = MATCH_MAPPING_03($2, $5, @$); } | "{" "**" id "}" { $$ = MATCH_MAPPING_04($3, @$); } items_pattern : items_pattern "," key_value_pattern { $$ = $1; PLIST_ADD($$, $3); } | key_value_pattern { LIST_NEW($$); PLIST_ADD($$, $1); } ; key_value_pattern : literal_pattern ":" pattern_2 { $$ = KEY_VAL_PATTERN(p.m_a, EXPR($1), $3); } ; star_pattern : "*" id { $$ = MATCH_STAR($2, @$); } | pattern_2 { $$ = $1; } ; open_sequence_pattern : open_sequence_pattern "," star_pattern { $$ = $1; LIST_ADD($$, $3); } | star_pattern { LIST_NEW($$); LIST_ADD($$, $1); } ; sequence_pattern : "[" "]" { $$ = MATCH_SEQUENCE_01(@$); } | "(" ")" { $$ = MATCH_SEQUENCE_01(@$); } | "(" open_sequence_pattern "," ")" { $$ = MATCH_SEQUENCE_02($2, @$); } | "(" open_sequence_pattern "," star_pattern ")" { LIST_ADD($2, $4); $$ = MATCH_SEQUENCE_02($2, @$); } | "[" open_sequence_pattern "]" { $$ = MATCH_SEQUENCE_02($2, @$); } | "[" open_sequence_pattern "," "]" { $$ = MATCH_SEQUENCE_02($2, @$); } ; attr : attr "." id { $$ = ATTRIBUTE_REF($1, $3, @$); } | id "." id { $$ = ATTRIBUTE_REF($1, $3, @$); } ; numbers : numbers "+" numbers { $$ = BINOP($1, Add, $3, @$); } | numbers "-" numbers { $$ = BINOP($1, Sub, $3, @$); } | "-" numbers { $$ = UNARY($2, USub, @$); } | TK_INTEGER { $$ = INTEGER($1, @$); } | TK_REAL { $$ = FLOAT($1, @$); } | TK_IMAG_NUM { $$ = COMPLEX($1, @$); } ; literal_pattern : numbers { $$ = $1; } | string { $$ = $1; } | attr { $$ = $1; } ; singleton_pattern : KW_NONE { $$ = NONE(@$); } | TK_TRUE { $$ = BOOL(true, @$); } | TK_FALSE { $$ = BOOL(false, @$); } ; closed_pattern : literal_pattern { $$ = MATCH_VALUE($1, @$); } | singleton_pattern { $$ = MATCH_SINGLETON($1, @$); } | id { $$ = MATCH_AS_02($1, @$); } | "(" pattern_2 ")" { $$ = $2; } | sequence_pattern { $$ = $1; } | mapping_pattern { $$ = $1; } | class_pattern { $$ = $1; } ; or_pattern : or_pattern "|" closed_pattern { $$ = $1; LIST_ADD($$, $3); } | closed_pattern "|" closed_pattern { LIST_NEW($$); LIST_ADD($$, $1); LIST_ADD($$, $3);} ; pattern_2 : closed_pattern { $$ = $1; } | or_pattern { $$ = MATCH_OR($1, @$); } | closed_pattern KW_AS id { $$ = MATCH_AS_01($1, $3, @$); } | or_pattern KW_AS id { $$ = MATCH_AS_01(MATCH_OR($1, @$), $3, @$); } ; pattern_1 : open_sequence_pattern "," star_pattern { LIST_ADD($1, $3); $$ = MATCH_SEQUENCE_02($1, @$); } | open_sequence_pattern "," { $$ = MATCH_SEQUENCE_02($1, @$); } ; case_block : KW_CASE pattern_1 ":" body_stmts { $$ = MATCH_CASE_01($2, $4, @$); } | KW_CASE pattern_2 ":" body_stmts { $$ = MATCH_CASE_01($2, $4, @$); } | KW_CASE pattern_1 KW_IF expr ":" body_stmts { $$ = MATCH_CASE_02($2, $4, $6, @$); } | KW_CASE pattern_2 KW_IF expr ":" body_stmts { $$ = MATCH_CASE_02($2, $4, $6, @$); } ; case_blocks : case_blocks case_block { $$ = $1; PLIST_ADD($$, $2); } | case_block { LIST_NEW($$); PLIST_ADD($$, $1); } ; match_statement : KW_MATCH tuple_list ":" sep TK_INDENT case_blocks TK_DEDENT { $$ = MATCH_01($2, $6, @$); } ; decorators_opt : decorators { $$ = $1; } | %empty { LIST_NEW($$); } ; decorators : decorators "@" expr sep { $$ = $1; LIST_ADD($$, $3); } | "@" expr sep { LIST_NEW($$); LIST_ADD($$, $2); } | decorators "@" expr TK_TYPE_IGNORE sep { $$ = $1; LIST_ADD($$, $3); extract_type_comment(p, @$, $4); } | "@" expr TK_TYPE_IGNORE sep { LIST_NEW($$); LIST_ADD($$, $2); extract_type_comment(p, @$, $3); } ; parameter : id { $$ = ARGS_01($1, @$); } | id ":" expr { $$ = ARGS_02($1, $3, @$); } | id "=" expr { $$ = ARGS_03($1, $3, @$); } | id ":" expr "=" expr { $$ = ARGS_04($1, $3, $5, @$); } ; defparameter_list : defparameter_list "," parameter { $$ = $1; LIST_ADD($$, $3); } | parameter { LIST_NEW($$); LIST_ADD($$, $1); } | defparameter_list "," type_comment parameter { $$ = $1; LIST_ADD($$, $4); ADD_TYPE_COMMENT($1, $3, @$); } | defparameter_list "," type_comment { $$ = $1; ADD_TYPE_COMMENT($1, $3, @$); } ; parameter_list : defparameter_list "," "/" comma_opt { $$ = PARAMETER_LIST_01($1, nullptr); } | defparameter_list "," "/" "," parameter_list_no_posonly { $$ = PARAMETER_LIST_01($1, $5); } | parameter_list_no_posonly { $$ = PARAMETER_LIST_02($1); } ; parameter_list_no_posonly : defparameter_list comma_opt { $$ = PARAMETER_LIST_03($1, nullptr); } | defparameter_list "," parameter_list_starargs { $$ = PARAMETER_LIST_03($1, $3); } | parameter_list_starargs { $$ = PARAMETER_LIST_04($1); } ; parameter_list_starargs : "*" "," defparameter_list comma_opt { $$ = PARAMETER_LIST_05($3); } | "*" "," "**" parameter comma_opt { $$ = PARAMETER_LIST_06($4); } | "*" "," defparameter_list "," "**" parameter comma_opt { $$ = PARAMETER_LIST_07($3, $6); } | "*" parameter comma_opt { $$ = PARAMETER_LIST_08($2); } | "*" parameter "," defparameter_list comma_opt { $$ = PARAMETER_LIST_09($2, $4); } | "*" parameter "," "**" parameter comma_opt { $$ = PARAMETER_LIST_10($2, $5); } | "*" parameter "," defparameter_list "," "**" parameter comma_opt { $$ = PARAMETER_LIST_11($2, $4, $7); } | "**" parameter comma_opt { $$ = PARAMETER_LIST_06($2); } ; parameter_list_opt : parameter_list { $$ = FUNC_ARGS_01(p.m_a, @$, $1); } | %empty { $$ = PARAMETER_LIST_12(@$); } ; comma_opt : "," | %empty ; function_def : decorators_opt KW_DEF id "(" parameter_list_opt ")" ":" body_stmts { FLOC(@$, @2); $$ = FUNCTION_01($1, $3, $5, $8, @$); } | decorators_opt KW_DEF id "(" parameter_list_opt ")" "->" expr ":" body_stmts { FLOC(@$, @2); $$ = FUNCTION_02($1, $3, $5, $8, $10, @$); } | decorators_opt KW_DEF id "(" parameter_list_opt ")" ":" TK_TYPE_COMMENT sep statements { FLOC(@$, @2); $$ = FUNCTION_03($1, $3, $5, $10, $8, @$); } | decorators_opt KW_DEF id "(" parameter_list_opt ")" "->" expr ":" TK_TYPE_COMMENT sep statements { FLOC(@$, @2); $$ = FUNCTION_04($1, $3, $5, $8, $12, $10, @$); } | decorators_opt KW_DEF id "(" parameter_list_opt ")" ":" sep TK_TYPE_COMMENT sep statements { FLOC(@$, @2); $$ = FUNCTION_03($1, $3, $5, $11, $9, @$); } | decorators_opt KW_DEF id "(" parameter_list_opt ")" "->" expr ":" sep TK_TYPE_COMMENT sep statements { FLOC(@$, @2); $$ = FUNCTION_04($1, $3, $5, $8, $13, $11, @$); } ; class_def : decorators_opt KW_CLASS id ":" body_stmts { FLOC(@$, @2); $$ = CLASS_01($1, $3, $5, @$); } | decorators_opt KW_CLASS id "(" call_arguement_list ")" ":" body_stmts { FLOC(@$, @2); $$ = CLASS_02($1, $3, $5, $8, @$); } ; async_func_def : decorators KW_ASYNC KW_DEF id "(" parameter_list_opt ")" ":" body_stmts { $$ = ASYNC_FUNCTION_01($1, $4, $6, $9, @$); } | decorators KW_ASYNC KW_DEF id "(" parameter_list_opt ")" "->" expr ":" body_stmts { $$ = ASYNC_FUNCTION_02($1, $4, $6, $9, $11, @$); } | KW_ASYNC KW_DEF id "(" parameter_list_opt ")" ":" body_stmts { $$ = ASYNC_FUNCTION_03($3, $5, $8, @$); } | KW_ASYNC KW_DEF id "(" parameter_list_opt ")" "->" expr ":" body_stmts { $$ = ASYNC_FUNCTION_04($3, $5, $8, $10, @$); } | decorators KW_ASYNC KW_DEF id "(" parameter_list_opt ")" ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_FUNCTION_05($1, $4, $6, $11, $9, @$); } | decorators KW_ASYNC KW_DEF id "(" parameter_list_opt ")" "->" expr ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_FUNCTION_06($1, $4, $6, $9, $13, $11, @$); } | KW_ASYNC KW_DEF id "(" parameter_list_opt ")" ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_FUNCTION_07($3, $5, $10, $8, @$); } | KW_ASYNC KW_DEF id "(" parameter_list_opt ")" "->" expr ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_FUNCTION_08($3, $5, $8, $12, $10, @$); } ; async_for_stmt : KW_ASYNC KW_FOR for_target_list KW_IN tuple_list ":" body_stmts { $$ = ASYNC_FOR_01($3, $5, $7, @$); } | KW_ASYNC KW_FOR for_target_list KW_IN tuple_list ":" body_stmts KW_ELSE ":" body_stmts { $$ = ASYNC_FOR_02($3, $5, $7, $10, @$); } | KW_ASYNC KW_FOR for_target_list KW_IN tuple_list ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_FOR_03($3, $5, $9, $7, @$); } | KW_ASYNC KW_FOR for_target_list KW_IN tuple_list ":" TK_TYPE_COMMENT sep statements KW_ELSE ":" body_stmts { $$ = ASYNC_FOR_04($3, $5, $9, $12, $7, @$); } ; async_with_stmt : KW_ASYNC KW_WITH with_as_items ":" body_stmts { $$ = ASYNC_WITH_01($3, $5, @$); } | KW_ASYNC KW_WITH with_as_items ":" TK_TYPE_COMMENT sep statements { $$ = ASYNC_WITH_02($3, $7, $5, @$); } ; while_statement : KW_WHILE expr ":" body_stmts { $$ = WHILE_01($2, $4, @$); } | KW_WHILE expr ":" body_stmts KW_ELSE ":" body_stmts { $$ = WHILE_02($2, $4, $7, @$); } ; expr_list_opt : expr_list comma_opt { $$ = $1; } | %empty { LIST_NEW($$); } ; expr_list : expr_list "," expr %prec "not" { $$ = $1; LIST_ADD($$, $3); } | expr %prec "not" { LIST_NEW($$); LIST_ADD($$, $1); } ; dict : expr ":" expr { $$ = DICT_EXPR_01($1, $3, @$); } | expr ":" type_comment expr { $$ = DICT_EXPR_02($1, $3, $4, @$); } | "**" expr { $$ = DICT_EXPR_01(NONE(@$), $2, @$); } ; dict_list : dict_list "," dict { $$ = $1; LIST_ADD($$, $3); } | dict { LIST_NEW($$); LIST_ADD($$, $1); } ; id_list_opt : id_list { $$ = $1; } | %empty { LIST_NEW($$); } ; id_list : id_list "," id_item { $$ = $1; LIST_ADD($$, $3); } | id_item { LIST_NEW($$); LIST_ADD($$, $1); } ; id_item : id { $$ = $1; } | id "[" slice_item "]" { $$ = SUBSCRIPT_01($1, $3, @$); } | "*" id { $$ = STARRED_ARG_STORE($2, @$); } | "(" id ")" { $$ = $2; } | "(" id_list "," ")" { $$ = ID_TUPLE_03($2, @$); } | "(" id_list "," id_item ")" { $$ = ID_TUPLE_01(TUPLE_($2, $4), @$); } | "[" id_list_opt "]" { $$ = LIST(SET_EXPR_CTX_02($2, Store), @$); } | "[" id_list "," "]" { $$ = LIST(SET_EXPR_CTX_02($2, Store), @$); } ; comp_if_items : comp_if_items KW_IF expr { $$ = $1; LIST_ADD($$, $3); } | KW_IF expr { LIST_NEW($$); LIST_ADD($$, $2); } ; comp_for : KW_FOR id_list KW_IN expr { $$ = COMP_FOR_01(ID_TUPLE_01($2, @$), $4, @$); } | KW_FOR id_list "," KW_IN expr { $$ = COMP_FOR_01(ID_TUPLE_03($2, @$), $5, @$); } | KW_FOR id_list KW_IN expr comp_if_items { $$ = COMP_FOR_02(ID_TUPLE_01($2, @$), $4, $5, @$); } | KW_FOR id_list "," KW_IN expr comp_if_items { $$ = COMP_FOR_02(ID_TUPLE_03($2, @$), $5, $6, @$); } | KW_ASYNC KW_FOR id_list KW_IN expr { $$ = COMP_FOR_03(ID_TUPLE_01($3, @$), $5, @$); } | KW_ASYNC KW_FOR id_list "," KW_IN expr { $$ = COMP_FOR_03(ID_TUPLE_03($3, @$), $6, @$); } |
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