usr.bin/localedef/parser.y

   1 %{
   2 /*
   3  * Copyright 2010 Nexenta Systems, Inc.  All rights reserved.
   4  * Copyright 2015 John Marino <draco@marino.st>
   5  *
   6  * This source code is derived from the illumos localedef command, and
   7  * provided under BSD-style license terms by Nexenta Systems, Inc.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * POSIX localedef grammar.
  34  */
  35
  36 #include <wchar.h>
  37 #include <stdio.h>
  38 #include <limits.h>
  39 #include "localedef.h"
  40
  41 %}
  42 %union {
  43         int             num;
  44         wchar_t         wc;
  45         char            *token;
  46         collsym_t       *collsym;
  47         collelem_t      *collelem;
  48 }
  49
  50 %token          T_CODE_SET
  51 %token          T_MB_CUR_MAX
  52 %token          T_MB_CUR_MIN
  53 %token          T_COM_CHAR
  54 %token          T_ESC_CHAR
  55 %token          T_LT
  56 %token          T_GT
  57 %token          T_NL
  58 %token          T_SEMI
  59 %token          T_COMMA
  60 %token          T_ELLIPSIS
  61 %token          T_RPAREN
  62 %token          T_LPAREN
  63 %token          T_QUOTE
  64 %token          T_NULL
  65 %token          T_WS
  66 %token          T_END
  67 %token          T_COPY
  68 %token          T_CHARMAP
  69 %token          T_WIDTH
  70 %token          T_CTYPE
  71 %token          T_ISUPPER
  72 %token          T_ISLOWER
  73 %token          T_ISALPHA
  74 %token          T_ISDIGIT
  75 %token          T_ISPUNCT
  76 %token          T_ISXDIGIT
  77 %token          T_ISSPACE
  78 %token          T_ISPRINT
  79 %token          T_ISGRAPH
  80 %token          T_ISBLANK
  81 %token          T_ISCNTRL
  82 %token          T_ISALNUM
  83 %token          T_ISSPECIAL
  84 %token          T_ISPHONOGRAM
  85 %token          T_ISIDEOGRAM
  86 %token          T_ISENGLISH
  87 %token          T_ISNUMBER
  88 %token          T_TOUPPER
  89 %token          T_TOLOWER
  90 %token          T_COLLATE
  91 %token          T_COLLATING_SYMBOL
  92 %token          T_COLLATING_ELEMENT
  93 %token          T_ORDER_START
  94 %token          T_ORDER_END
  95 %token          T_FORWARD
  96 %token          T_BACKWARD
  97 %token          T_POSITION
  98 %token          T_FROM
  99 %token          T_UNDEFINED
 100 %token          T_IGNORE
 101 %token          T_MESSAGES
 102 %token          T_YESSTR
 103 %token          T_NOSTR
 104 %token          T_YESEXPR
 105 %token          T_NOEXPR
 106 %token          T_MONETARY
 107 %token          T_INT_CURR_SYMBOL
 108 %token          T_CURRENCY_SYMBOL
 109 %token          T_MON_DECIMAL_POINT
 110 %token          T_MON_THOUSANDS_SEP
 111 %token          T_POSITIVE_SIGN
 112 %token          T_NEGATIVE_SIGN
 113 %token          T_MON_GROUPING
 114 %token          T_INT_FRAC_DIGITS
 115 %token          T_FRAC_DIGITS
 116 %token          T_P_CS_PRECEDES
 117 %token          T_P_SEP_BY_SPACE
 118 %token          T_N_CS_PRECEDES
 119 %token          T_N_SEP_BY_SPACE
 120 %token          T_P_SIGN_POSN
 121 %token          T_N_SIGN_POSN
 122 %token          T_INT_P_CS_PRECEDES
 123 %token          T_INT_N_CS_PRECEDES
 124 %token          T_INT_P_SEP_BY_SPACE
 125 %token          T_INT_N_SEP_BY_SPACE
 126 %token          T_INT_P_SIGN_POSN
 127 %token          T_INT_N_SIGN_POSN
 128 %token          T_NUMERIC
 129 %token          T_DECIMAL_POINT
 130 %token          T_THOUSANDS_SEP
 131 %token          T_GROUPING
 132 %token          T_TIME
 133 %token          T_ABDAY
 134 %token          T_DAY
 135 %token          T_ABMON
 136 %token          T_MON
 137 %token          T_ERA
 138 %token          T_ERA_D_FMT
 139 %token          T_ERA_T_FMT
 140 %token          T_ERA_D_T_FMT
 141 %token          T_ALT_DIGITS
 142 %token          T_D_T_FMT
 143 %token          T_D_FMT
 144 %token          T_T_FMT
 145 %token          T_AM_PM
 146 %token          T_T_FMT_AMPM
 147 %token          T_DATE_FMT
 148 %token  <wc>            T_CHAR
 149 %token  <token>         T_NAME
 150 %token  <num>           T_NUMBER
 151 %token  <token>         T_SYMBOL
 152 %token  <collsym>       T_COLLSYM
 153 %token  <collelem>      T_COLLELEM
 154
 155 %%
 156
 157 localedef       : setting_list categories
 158                 | categories
 159                 ;
 160
 161 string          : T_QUOTE charlist T_QUOTE
 162                 | T_QUOTE T_QUOTE
 163                 ;
 164
 165 charlist        : charlist T_CHAR
 166                 {
 167                         add_wcs($2);
 168                 }
 169                 | T_CHAR
 170                 {
 171                         add_wcs($1);
 172                 }
 173                 ;
 174
 175 setting_list    : setting_list setting
 176                 | setting
 177                 ;
 178
 179
 180 setting         : T_COM_CHAR T_CHAR T_NL
 181                 {
 182                         com_char = $2;
 183                 }
 184                 | T_ESC_CHAR T_CHAR T_NL
 185                 {
 186                         esc_char = $2;
 187                 }
 188                 | T_MB_CUR_MAX T_NUMBER T_NL
 189                 {
 190                         mb_cur_max = $2;
 191                 }
 192                 | T_MB_CUR_MIN T_NUMBER T_NL
 193                 {
 194                         mb_cur_min = $2;
 195                 }
 196                 | T_CODE_SET string T_NL
 197                 {
 198                         wchar_t *w = get_wcs();
 199                         set_wide_encoding(to_mb_string(w));
 200                         free(w);
 201                 }
 202                 | T_CODE_SET T_NAME T_NL
 203                 {
 204                         set_wide_encoding($2);
 205                 }
 206                 ;
 207
 208 copycat         : T_COPY T_NAME T_NL
 209                 {
 210                         copy_category($2);
 211                 }
 212                 | T_COPY string T_NL
 213                 {
 214                         wchar_t *w = get_wcs();
 215                         copy_category(to_mb_string(w));
 216                         free(w);
 217                 }
 218                 ;
 219
 220 categories      : categories category
 221                 | category
 222                 ;
 223
 224
 225 category        : charmap
 226                 | messages
 227                 | monetary
 228                 | ctype
 229                 | collate
 230                 | numeric
 231                 | time
 232                 ;
 233
 234
 235 charmap         : T_CHARMAP T_NL charmap_list T_END T_CHARMAP T_NL
 236                 | T_WIDTH T_NL width_list T_END T_WIDTH T_NL
 237                 ;
 238
 239
 240 charmap_list    : charmap_list charmap_entry
 241                 | charmap_entry
 242                 ;
 243
 244
 245 charmap_entry   : T_SYMBOL T_CHAR
 246                 {
 247                         add_charmap($1, $2);
 248                         scan_to_eol();
 249                 }
 250                 | T_SYMBOL T_ELLIPSIS T_SYMBOL T_CHAR
 251                 {
 252                         add_charmap_range($1, $3, $4);
 253                         scan_to_eol();
 254                 }
 255                 | T_NL
 256                 ;
 257
 258 width_list      : width_list width_entry
 259                 | width_entry
 260                 ;
 261
 262 width_entry     : T_CHAR T_NUMBER T_NL
 263                 {
 264                         add_width($1, $2);
 265                 }
 266                 | T_SYMBOL T_NUMBER T_NL
 267                 {
 268                         add_charmap_undefined($1);
 269                 }
 270                 | T_CHAR T_ELLIPSIS T_CHAR T_NUMBER T_NL
 271                 {
 272                         add_width_range($1, $3, $4);
 273                 }
 274                 | T_SYMBOL T_ELLIPSIS T_SYMBOL T_NUMBER T_NL
 275                 {
 276                         add_charmap_undefined($1);
 277                         add_charmap_undefined($3);
 278                 }
 279                 | T_CHAR T_ELLIPSIS T_SYMBOL T_NUMBER T_NL
 280                 {
 281                         add_width($1, $4);
 282                         add_charmap_undefined($3);
 283                 }
 284                 | T_SYMBOL T_ELLIPSIS T_CHAR T_NUMBER T_NL
 285                 {
 286                         add_width($3, $4);
 287                         add_charmap_undefined($1);
 288                 }
 289                 | T_NL
 290                 ;
 291
 292 ctype           : T_CTYPE T_NL ctype_list T_END T_CTYPE T_NL
 293                 {
 294                         dump_ctype();
 295                 }
 296                 | T_CTYPE T_NL copycat  T_END T_CTYPE T_NL
 297                 ;
 298
 299 ctype_list      : ctype_list ctype_kw
 300                 | ctype_kw
 301                 ;
 302
 303 ctype_kw        : T_ISUPPER cc_list T_NL
 304                 | T_ISLOWER cc_list T_NL
 305                 | T_ISALPHA cc_list T_NL
 306                 | T_ISDIGIT cc_list T_NL
 307                 | T_ISPUNCT cc_list T_NL
 308                 | T_ISXDIGIT cc_list T_NL
 309                 | T_ISSPACE cc_list T_NL
 310                 | T_ISPRINT cc_list T_NL
 311                 | T_ISGRAPH cc_list T_NL
 312                 | T_ISBLANK cc_list T_NL
 313                 | T_ISCNTRL cc_list T_NL
 314                 | T_ISALNUM cc_list T_NL
 315                 | T_ISSPECIAL cc_list T_NL
 316                 | T_ISENGLISH cc_list T_NL
 317                 | T_ISNUMBER cc_list T_NL
 318                 | T_ISIDEOGRAM cc_list T_NL
 319                 | T_ISPHONOGRAM cc_list T_NL
 320                 | T_TOUPPER conv_list T_NL
 321                 | T_TOLOWER conv_list T_NL
 322                 ;
 323
 324 cc_list         : cc_list T_SEMI cc_range_end
 325                 | cc_list T_SEMI cc_char
 326                 | cc_char
 327                 ;
 328
 329 cc_range_end    : T_ELLIPSIS T_SEMI T_CHAR
 330                 {
 331                         add_ctype_range($3);
 332                 }
 333                 ;
 334
 335 cc_char         : T_CHAR
 336                 {
 337                         add_ctype($1);
 338                 }
 339                 | T_SYMBOL
 340                 {
 341                         add_charmap_undefined($1);
 342                 }
 343                 ;
 344
 345 conv_list       : conv_list T_SEMI conv_pair
 346                 | conv_pair
 347                 ;
 348
 349
 350 conv_pair       : T_LPAREN T_CHAR T_COMMA T_CHAR T_RPAREN
 351                 {
 352                         add_caseconv($2, $4);
 353                 }
 354                 | T_LPAREN T_SYMBOL T_COMMA T_CHAR T_RPAREN
 355                 {
 356                         add_charmap_undefined($2);
 357                 }
 358                 | T_LPAREN T_SYMBOL T_COMMA T_SYMBOL T_RPAREN
 359                 {
 360                         add_charmap_undefined($2);
 361                         add_charmap_undefined($4);
 362                 }
 363                 | T_LPAREN T_CHAR T_COMMA T_SYMBOL T_RPAREN
 364                 {
 365                         add_charmap_undefined($4);
 366                 }
 367                 ;
 368
 369 collate         : T_COLLATE T_NL coll_order T_END T_COLLATE T_NL
 370                 {
 371                         dump_collate();
 372                 }
 373                 | T_COLLATE T_NL coll_optional coll_order T_END T_COLLATE T_NL
 374                 {
 375                         dump_collate();
 376                 }
 377                 | T_COLLATE T_NL copycat T_END T_COLLATE T_NL
 378                 ;
 379
 380
 381 coll_optional   : coll_optional coll_symbols
 382                 | coll_optional coll_elements
 383                 | coll_symbols
 384                 | coll_elements
 385                 ;
 386
 387
 388 coll_symbols    : T_COLLATING_SYMBOL T_SYMBOL T_NL
 389                 {
 390                         define_collsym($2);
 391                 }
 392                 ;
 393
 394
 395 coll_elements   : T_COLLATING_ELEMENT T_SYMBOL T_FROM string T_NL
 396                 {
 397                         define_collelem($2, get_wcs());
 398                 }
 399                 ;
 400
 401 coll_order      : T_ORDER_START T_NL order_list T_ORDER_END T_NL
 402                 {
 403                         /* If no order list supplied default to one forward */
 404                         add_order_bit(T_FORWARD);
 405                         add_order_directive();
 406                 }
 407                 | T_ORDER_START order_args T_NL order_list T_ORDER_END T_NL
 408                 ;
 409
 410
 411 order_args      : order_args T_SEMI order_arg
 412                 {
 413                         add_order_directive();
 414                 }
 415                 | order_arg
 416                 {
 417                         add_order_directive();
 418                 }
 419                 ;
 420
 421 order_arg       : order_arg T_COMMA order_dir
 422                 | order_dir
 423                 ;
 424
 425 order_dir       : T_FORWARD
 426                 {
 427                         add_order_bit(T_FORWARD);
 428                 }
 429                 | T_BACKWARD
 430                 {
 431                         add_order_bit(T_BACKWARD);
 432                 }
 433                 | T_POSITION
 434                 {
 435                         add_order_bit(T_POSITION);
 436                 }
 437                 ;
 438
 439 order_list      : order_list order_item
 440                 | order_item
 441                 ;
 442
 443 order_item      : T_COLLSYM T_NL
 444                 {
 445                         end_order_collsym($1);
 446                 }
 447                 | order_itemkw T_NL
 448                 {
 449                         end_order();
 450                 }
 451                 | order_itemkw order_weights T_NL
 452                 {
 453                         end_order();
 454                 }
 455                 ;
 456
 457 order_itemkw    : T_CHAR
 458                 {
 459                         start_order_char($1);
 460                 }
 461                 | T_ELLIPSIS
 462                 {
 463                         start_order_ellipsis();
 464                 }
 465                 | T_COLLELEM
 466                 {
 467                         start_order_collelem($1);
 468                 }
 469                 | T_UNDEFINED
 470                 {
 471                         start_order_undefined();
 472                 }
 473                 | T_SYMBOL
 474                 {
 475                         start_order_symbol($1);
 476                 }
 477                 ;
 478
 479 order_weights   : order_weights T_SEMI order_weight
 480                 | order_weights T_SEMI
 481                 | order_weight
 482                 ;
 483
 484 order_weight    : T_COLLELEM
 485                 {
 486                         add_order_collelem($1);
 487                 }
 488                 | T_COLLSYM
 489                 {
 490                         add_order_collsym($1);
 491                 }
 492                 | T_CHAR
 493                 {
 494                         add_order_char($1);
 495                 }
 496                 | T_ELLIPSIS
 497                 {
 498                         add_order_ellipsis();
 499                 }
 500                 | T_IGNORE
 501                 {
 502                         add_order_ignore();
 503                 }
 504                 | T_SYMBOL
 505                 {
 506                         add_order_symbol($1);
 507                 }
 508                 | T_QUOTE order_str T_QUOTE
 509                 {
 510                         add_order_subst();
 511                 }
 512                 ;
 513
 514 order_str       : order_str order_stritem
 515                 | order_stritem
 516                 ;
 517
 518 order_stritem   : T_CHAR
 519                 {
 520                         add_subst_char($1);
 521                 }
 522                 | T_COLLSYM
 523                 {
 524                         add_subst_collsym($1);
 525                 }
 526                 | T_COLLELEM
 527                 {
 528                         add_subst_collelem($1);
 529                 }
 530                 | T_SYMBOL
 531                 {
 532                         add_subst_symbol($1);
 533                 }
 534                 ;
 535
 536 messages        : T_MESSAGES T_NL messages_list T_END T_MESSAGES T_NL
 537                 {
 538                         dump_messages();
 539                 }
 540                 | T_MESSAGES T_NL copycat T_END T_MESSAGES T_NL
 541                 ;
 542
 543 messages_list   : messages_list messages_item
 544                 | messages_item
 545                 ;
 546
 547 messages_kw     : T_YESSTR
 548                 | T_NOSTR
 549                 | T_YESEXPR
 550                 | T_NOEXPR
 551                 ;
 552
 553 messages_item   : messages_kw string T_NL
 554                 {
 555                         add_message(get_wcs());
 556                 }
 557                 ;
 558
 559 monetary        : T_MONETARY T_NL monetary_list T_END T_MONETARY T_NL
 560                 {
 561                         dump_monetary();
 562                 }
 563                 | T_MONETARY T_NL copycat T_END T_MONETARY T_NL
 564                 ;
 565
 566 monetary_list   : monetary_list monetary_kw
 567                 | monetary_kw
 568                 ;
 569
 570 monetary_strkw  : T_INT_CURR_SYMBOL
 571                 | T_CURRENCY_SYMBOL
 572                 | T_MON_DECIMAL_POINT
 573                 | T_MON_THOUSANDS_SEP
 574                 | T_POSITIVE_SIGN
 575                 | T_NEGATIVE_SIGN
 576                 ;
 577
 578 monetary_numkw  : T_INT_FRAC_DIGITS
 579                 | T_FRAC_DIGITS
 580                 | T_P_CS_PRECEDES
 581                 | T_P_SEP_BY_SPACE
 582                 | T_N_CS_PRECEDES
 583                 | T_N_SEP_BY_SPACE
 584                 | T_P_SIGN_POSN
 585                 | T_N_SIGN_POSN
 586                 | T_INT_P_CS_PRECEDES
 587                 | T_INT_N_CS_PRECEDES
 588                 | T_INT_P_SEP_BY_SPACE
 589                 | T_INT_N_SEP_BY_SPACE
 590                 | T_INT_P_SIGN_POSN
 591                 | T_INT_N_SIGN_POSN
 592                 ;
 593
 594 monetary_kw     : monetary_strkw string T_NL
 595                 {
 596                         add_monetary_str(get_wcs());
 597                 }
 598                 | monetary_numkw T_NUMBER T_NL
 599                 {
 600                         add_monetary_num($2);
 601                 }
 602                 | T_MON_GROUPING mon_group_list T_NL
 603                 ;
 604
 605 mon_group_list  : T_NUMBER
 606                 {
 607                         reset_monetary_group();
 608                         add_monetary_group($1);
 609                 }
 610                 | mon_group_list T_SEMI T_NUMBER
 611                 {
 612                         add_monetary_group($3);
 613                 }
 614                 ;
 615
 616
 617 numeric         : T_NUMERIC T_NL numeric_list T_END T_NUMERIC T_NL
 618                 {
 619                         dump_numeric();
 620                 }
 621                 | T_NUMERIC T_NL copycat T_END T_NUMERIC T_NL
 622                 ;
 623
 624
 625 numeric_list    : numeric_list numeric_item
 626                 | numeric_item
 627                 ;
 628
 629
 630 numeric_item    : numeric_strkw string T_NL
 631                 {
 632                         add_numeric_str(get_wcs());
 633                 }
 634                 | T_GROUPING group_list T_NL
 635                 ;
 636
 637 numeric_strkw   : T_DECIMAL_POINT
 638                 | T_THOUSANDS_SEP
 639                 ;
 640
 641
 642 group_list      : T_NUMBER
 643                 {
 644                         reset_numeric_group();
 645                         add_numeric_group($1);
 646                 }
 647                 | group_list T_SEMI T_NUMBER
 648                 {
 649                         add_numeric_group($3);
 650                 }
 651                 ;
 652
 653
 654 time            : T_TIME T_NL time_kwlist T_END T_TIME T_NL
 655                 {
 656                         dump_time();
 657                 }
 658                 | T_TIME T_NL copycat T_END T_NUMERIC T_NL
 659                 ;
 660
 661 time_kwlist     : time_kwlist time_kw
 662                 | time_kw
 663                 ;
 664
 665 time_kw         : time_strkw string T_NL
 666                 {
 667                         add_time_str(get_wcs());
 668                 }
 669                 | time_listkw time_list T_NL
 670                 {
 671                         check_time_list();
 672                 }
 673                 ;
 674
 675 time_listkw     : T_ABDAY
 676                 | T_DAY
 677                 | T_ABMON
 678                 | T_MON
 679                 | T_ERA
 680                 | T_ALT_DIGITS
 681                 | T_AM_PM
 682                 ;
 683
 684 time_strkw      : T_ERA_D_T_FMT
 685                 | T_ERA_T_FMT
 686                 | T_ERA_D_FMT
 687                 | T_D_T_FMT
 688                 | T_D_FMT
 689                 | T_T_FMT
 690                 | T_T_FMT_AMPM
 691                 | T_DATE_FMT
 692                 ;
 693
 694 time_list       : time_list T_SEMI string
 695                 {
 696                         add_time_list(get_wcs());
 697                 }
 698                 | string
 699                 {
 700                         reset_time_list();
 701                         add_time_list(get_wcs());
 702                 }
 703                 ;