binutils/rcparse.y

   1 %{ /* rcparse.y -- parser for Windows rc files
   2    Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007
   3    Free Software Foundation, Inc.
   4    Written by Ian Lance Taylor, Cygnus Support.
   5    Extended by Kai Tietz, Onevision.
   6
   7    This file is part of GNU Binutils.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
  22    02110-1301, USA.  */
  23
  24
  25 /* This is a parser for Windows rc files.  It is based on the parser
  26    by Gunther Ebert <gunther.ebert@ixos-leipzig.de>.  */
  27
  28 #include "sysdep.h"
  29 #include "bfd.h"
  30 #include "bucomm.h"
  31 #include "libiberty.h"
  32 #include "windres.h"
  33 #include "safe-ctype.h"
  34
  35 /* The current language.  */
  36
  37 static unsigned short language;
  38
  39 /* The resource information during a sub statement.  */
  40
  41 static rc_res_res_info sub_res_info;
  42
  43 /* Dialog information.  This is built by the nonterminals styles and
  44    controls.  */
  45
  46 static rc_dialog dialog;
  47
  48 /* This is used when building a style.  It is modified by the
  49    nonterminal styleexpr.  */
  50
  51 static unsigned long style;
  52
  53 /* These are used when building a control.  They are set before using
  54    control_params.  */
  55
  56 static rc_uint_type base_style;
  57 static rc_uint_type default_style;
  58 static rc_res_id class;
  59 static rc_res_id res_text_field;
  60 static unichar null_unichar;
  61
  62 /* This is used for COMBOBOX, LISTBOX and EDITTEXT which
  63    do not allow resource 'text' field in control definition. */
  64 static const rc_res_id res_null_text = { 1, {{0, &null_unichar}}};
  65
  66 %}
  67
  68 %union
  69 {
  70   rc_accelerator acc;
  71   rc_accelerator *pacc;
  72   rc_dialog_control *dialog_control;
  73   rc_menuitem *menuitem;
  74   struct
  75   {
  76     rc_rcdata_item *first;
  77     rc_rcdata_item *last;
  78   } rcdata;
  79   rc_rcdata_item *rcdata_item;
  80   rc_fixed_versioninfo *fixver;
  81   rc_ver_info *verinfo;
  82   rc_ver_stringinfo *verstring;
  83   rc_ver_varinfo *vervar;
  84   rc_toolbar_item *toobar_item;
  85   rc_res_id id;
  86   rc_res_res_info res_info;
  87   struct
  88   {
  89     rc_uint_type on;
  90     rc_uint_type off;
  91   } memflags;
  92   struct
  93   {
  94     rc_uint_type val;
  95     /* Nonzero if this number was explicitly specified as long.  */
  96     int dword;
  97   } i;
  98   rc_uint_type il;
  99   rc_uint_type is;
 100   const char *s;
 101   struct
 102   {
 103     rc_uint_type length;
 104     const char *s;
 105   } ss;
 106   unichar *uni;
 107   struct
 108   {
 109     rc_uint_type length;
 110     const unichar *s;
 111   } suni;
 112 };
 113
 114 %token BEG END
 115 %token ACCELERATORS VIRTKEY ASCII NOINVERT SHIFT CONTROL ALT
 116 %token BITMAP
 117 %token CURSOR
 118 %token DIALOG DIALOGEX EXSTYLE CAPTION CLASS STYLE
 119 %token AUTO3STATE AUTOCHECKBOX AUTORADIOBUTTON CHECKBOX COMBOBOX CTEXT
 120 %token DEFPUSHBUTTON EDITTEXT GROUPBOX LISTBOX LTEXT PUSHBOX PUSHBUTTON
 121 %token RADIOBUTTON RTEXT SCROLLBAR STATE3 USERBUTTON
 122 %token BEDIT HEDIT IEDIT
 123 %token FONT
 124 %token ICON
 125 %token ANICURSOR ANIICON DLGINCLUDE DLGINIT FONTDIR HTML MANIFEST PLUGPLAY VXD TOOLBAR BUTTON
 126 %token LANGUAGE CHARACTERISTICS VERSIONK
 127 %token MENU MENUEX MENUITEM SEPARATOR POPUP CHECKED GRAYED HELP INACTIVE
 128 %token MENUBARBREAK MENUBREAK
 129 %token MESSAGETABLE
 130 %token RCDATA
 131 %token STRINGTABLE
 132 %token VERSIONINFO FILEVERSION PRODUCTVERSION FILEFLAGSMASK FILEFLAGS
 133 %token FILEOS FILETYPE FILESUBTYPE BLOCKSTRINGFILEINFO BLOCKVARFILEINFO
 134 %token VALUE
 135 %token <s> BLOCK
 136 %token MOVEABLE FIXED PURE IMPURE PRELOAD LOADONCALL DISCARDABLE
 137 %token NOT
 138 %token <uni> QUOTEDUNISTRING
 139 %token <s> QUOTEDSTRING STRING
 140 %token <i> NUMBER
 141 %token <suni> SIZEDUNISTRING
 142 %token <ss> SIZEDSTRING
 143 %token IGNORED_TOKEN
 144
 145 %type <pacc> acc_entries
 146 %type <acc> acc_entry acc_event
 147 %type <dialog_control> control control_params
 148 %type <menuitem> menuitems menuitem menuexitems menuexitem
 149 %type <rcdata> optrcdata_data optrcdata_data_int rcdata_data
 150 %type <rcdata_item> opt_control_data
 151 %type <fixver> fixedverinfo
 152 %type <verinfo> verblocks
 153 %type <verstring> vervals
 154 %type <vervar> vertrans
 155 %type <toobar_item> toolbar_data
 156 %type <res_info> suboptions memflags_move_discard memflags_move
 157 %type <memflags> memflag
 158 %type <id> id rcdata_id optresidc resref resid cresid
 159 %type <il> exstyle parennumber
 160 %type <il> numexpr posnumexpr cnumexpr optcnumexpr cposnumexpr
 161 %type <is> acc_options acc_option menuitem_flags menuitem_flag
 162 %type <s> file_name
 163 %type <uni> res_unicode_string resname res_unicode_string_concat
 164 %type <ss> sizedstring
 165 %type <suni> sizedunistring
 166 %type <i> sizednumexpr sizedposnumexpr
 167
 168 %left '|'
 169 %left '^'
 170 %left '&'
 171 %left '+' '-'
 172 %left '*' '/' '%'
 173 %right '~' NEG
 174
 175 %%
 176
 177 input:
 178           /* empty */
 179         | input accelerator
 180         | input bitmap
 181         | input cursor
 182         | input dialog
 183         | input font
 184         | input icon
 185         | input language
 186         | input menu
 187         | input menuex
 188         | input messagetable
 189         | input stringtable
 190         | input toolbar
 191         | input user
 192         | input versioninfo
 193         | input IGNORED_TOKEN
 194         ;
 195
 196 /* Accelerator resources.  */
 197
 198 accelerator:
 199           id ACCELERATORS suboptions BEG acc_entries END
 200           {
 201             define_accelerator ($1, &$3, $5);
 202             if (yychar != YYEMPTY)
 203               YYERROR;
 204             rcparse_discard_strings ();
 205           }
 206         ;
 207
 208 acc_entries:
 209           /* empty */
 210           {
 211             $$ = NULL;
 212           }
 213         | acc_entries acc_entry
 214           {
 215             rc_accelerator *a;
 216
 217             a = (rc_accelerator *) res_alloc (sizeof *a);
 218             *a = $2;
 219             if ($1 == NULL)
 220               $$ = a;
 221             else
 222               {
 223                 rc_accelerator **pp;
 224
 225                 for (pp = &$1->next; *pp != NULL; pp = &(*pp)->next)
 226                   ;
 227                 *pp = a;
 228                 $$ = $1;
 229               }
 230           }
 231         ;
 232
 233 acc_entry:
 234           acc_event cposnumexpr
 235           {
 236             $$ = $1;
 237             $$.id = $2;
 238           }
 239         | acc_event cposnumexpr ',' acc_options
 240           {
 241             $$ = $1;
 242             $$.id = $2;
 243             $$.flags |= $4;
 244             if (($$.flags & ACC_VIRTKEY) == 0
 245                 && ($$.flags & (ACC_SHIFT | ACC_CONTROL)) != 0)
 246               rcparse_warning (_("inappropriate modifiers for non-VIRTKEY"));
 247           }
 248         ;
 249
 250 acc_event:
 251           QUOTEDSTRING
 252           {
 253             const char *s = $1;
 254             char ch;
 255
 256             $$.next = NULL;
 257             $$.id = 0;
 258             ch = *s;
 259             if (ch != '^')
 260               $$.flags = 0;
 261             else
 262               {
 263                 $$.flags = ACC_CONTROL | ACC_VIRTKEY;
 264                 ++s;
 265                 ch = TOUPPER (s[0]);
 266               }
 267             $$.key = ch;
 268             if (s[1] != '\0')
 269               rcparse_warning (_("accelerator should only be one character"));
 270           }
 271         | posnumexpr
 272           {
 273             $$.next = NULL;
 274             $$.flags = 0;
 275             $$.id = 0;
 276             $$.key = $1;
 277           }
 278         ;
 279
 280 acc_options:
 281           acc_option
 282           {
 283             $$ = $1;
 284           }
 285         | acc_options ',' acc_option
 286           {
 287             $$ = $1 | $3;
 288           }
 289         /* I've had one report that the comma is optional.  */
 290         | acc_options acc_option
 291           {
 292             $$ = $1 | $2;
 293           }
 294         ;
 295
 296 acc_option:
 297           VIRTKEY
 298           {
 299             $$ = ACC_VIRTKEY;
 300           }
 301         | ASCII
 302           {
 303             /* This is just the absence of VIRTKEY.  */
 304             $$ = 0;
 305           }
 306         | NOINVERT
 307           {
 308             $$ = ACC_NOINVERT;
 309           }
 310         | SHIFT
 311           {
 312             $$ = ACC_SHIFT;
 313           }
 314         | CONTROL
 315           {
 316             $$ = ACC_CONTROL;
 317           }
 318         | ALT
 319           {
 320             $$ = ACC_ALT;
 321           }
 322         ;
 323
 324 /* Bitmap resources.  */
 325
 326 bitmap:
 327           id BITMAP memflags_move file_name
 328           {
 329             define_bitmap ($1, &$3, $4);
 330             if (yychar != YYEMPTY)
 331               YYERROR;
 332             rcparse_discard_strings ();
 333           }
 334         ;
 335
 336 /* Cursor resources.  */
 337
 338 cursor:
 339           id CURSOR memflags_move_discard file_name
 340           {
 341             define_cursor ($1, &$3, $4);
 342             if (yychar != YYEMPTY)
 343               YYERROR;
 344             rcparse_discard_strings ();
 345           }
 346         ;
 347
 348 /* Dialog resources.  */
 349
 350 dialog:
 351           id DIALOG memflags_move exstyle posnumexpr cnumexpr cnumexpr
 352             cnumexpr
 353             {
 354               memset (&dialog, 0, sizeof dialog);
 355               dialog.x = $5;
 356               dialog.y = $6;
 357               dialog.width = $7;
 358               dialog.height = $8;
 359               dialog.style = WS_POPUP | WS_BORDER | WS_SYSMENU;
 360               dialog.exstyle = $4;
 361               dialog.menu.named = 1;
 362               dialog.class.named = 1;
 363               dialog.font = NULL;
 364               dialog.ex = NULL;
 365               dialog.controls = NULL;
 366               sub_res_info = $3;
 367               style = 0;
 368             }
 369             styles BEG controls END
 370           {
 371             define_dialog ($1, &sub_res_info, &dialog);
 372             if (yychar != YYEMPTY)
 373               YYERROR;
 374             rcparse_discard_strings ();
 375           }
 376         | id DIALOGEX memflags_move exstyle posnumexpr cnumexpr cnumexpr
 377             cnumexpr
 378             {
 379               memset (&dialog, 0, sizeof dialog);
 380               dialog.x = $5;
 381               dialog.y = $6;
 382               dialog.width = $7;
 383               dialog.height = $8;
 384               dialog.style = WS_POPUP | WS_BORDER | WS_SYSMENU;
 385               dialog.exstyle = $4;
 386               dialog.menu.named = 1;
 387               dialog.class.named = 1;
 388               dialog.font = NULL;
 389               dialog.ex = ((rc_dialog_ex *)
 390                            res_alloc (sizeof (rc_dialog_ex)));
 391               memset (dialog.ex, 0, sizeof (rc_dialog_ex));
 392               dialog.controls = NULL;
 393               sub_res_info = $3;
 394               style = 0;
 395             }
 396             styles BEG controls END
 397           {
 398             define_dialog ($1, &sub_res_info, &dialog);
 399             if (yychar != YYEMPTY)
 400               YYERROR;
 401             rcparse_discard_strings ();
 402           }
 403         | id DIALOGEX memflags_move exstyle posnumexpr cnumexpr cnumexpr
 404             cnumexpr cnumexpr
 405             {
 406               memset (&dialog, 0, sizeof dialog);
 407               dialog.x = $5;
 408               dialog.y = $6;
 409               dialog.width = $7;
 410               dialog.height = $8;
 411               dialog.style = WS_POPUP | WS_BORDER | WS_SYSMENU;
 412               dialog.exstyle = $4;
 413               dialog.menu.named = 1;
 414               dialog.class.named = 1;
 415               dialog.font = NULL;
 416               dialog.ex = ((rc_dialog_ex *)
 417                            res_alloc (sizeof (rc_dialog_ex)));
 418               memset (dialog.ex, 0, sizeof (rc_dialog_ex));
 419               dialog.ex->help = $9;
 420               dialog.controls = NULL;
 421               sub_res_info = $3;
 422               style = 0;
 423             }
 424             styles BEG controls END
 425           {
 426             define_dialog ($1, &sub_res_info, &dialog);
 427             if (yychar != YYEMPTY)
 428               YYERROR;
 429             rcparse_discard_strings ();
 430           }
 431         ;
 432
 433 exstyle:
 434           /* empty */
 435           {
 436             $$ = 0;
 437           }
 438         | EXSTYLE '=' numexpr
 439           {
 440             $$ = $3;
 441           }
 442         ;
 443
 444 styles:
 445           /* empty */
 446         | styles CAPTION res_unicode_string_concat
 447           {
 448             dialog.style |= WS_CAPTION;
 449             style |= WS_CAPTION;
 450             dialog.caption = $3;
 451           }
 452         | styles CLASS id
 453           {
 454             dialog.class = $3;
 455           }
 456         | styles STYLE
 457             styleexpr
 458           {
 459             dialog.style = style;
 460           }
 461         | styles EXSTYLE numexpr
 462           {
 463             dialog.exstyle = $3;
 464           }
 465         | styles CLASS res_unicode_string_concat
 466           {
 467             res_unistring_to_id (& dialog.class, $3);
 468           }
 469         | styles FONT numexpr ',' res_unicode_string_concat
 470           {
 471             dialog.style |= DS_SETFONT;
 472             style |= DS_SETFONT;
 473             dialog.pointsize = $3;
 474             dialog.font = $5;
 475             if (dialog.ex != NULL)
 476               {
 477                 dialog.ex->weight = 0;
 478                 dialog.ex->italic = 0;
 479                 dialog.ex->charset = 1;
 480               }
 481           }
 482         | styles FONT numexpr ',' res_unicode_string_concat cnumexpr
 483           {
 484             dialog.style |= DS_SETFONT;
 485             style |= DS_SETFONT;
 486             dialog.pointsize = $3;
 487             dialog.font = $5;
 488             if (dialog.ex == NULL)
 489               rcparse_warning (_("extended FONT requires DIALOGEX"));
 490             else
 491               {
 492                 dialog.ex->weight = $6;
 493                 dialog.ex->italic = 0;
 494                 dialog.ex->charset = 1;
 495               }
 496           }
 497         | styles FONT numexpr ',' res_unicode_string_concat cnumexpr cnumexpr
 498           {
 499             dialog.style |= DS_SETFONT;
 500             style |= DS_SETFONT;
 501             dialog.pointsize = $3;
 502             dialog.font = $5;
 503             if (dialog.ex == NULL)
 504               rcparse_warning (_("extended FONT requires DIALOGEX"));
 505             else
 506               {
 507                 dialog.ex->weight = $6;
 508                 dialog.ex->italic = $7;
 509                 dialog.ex->charset = 1;
 510               }
 511           }
 512         | styles FONT numexpr ',' res_unicode_string_concat cnumexpr cnumexpr cnumexpr
 513           {
 514             dialog.style |= DS_SETFONT;
 515             style |= DS_SETFONT;
 516             dialog.pointsize = $3;
 517             dialog.font = $5;
 518             if (dialog.ex == NULL)
 519               rcparse_warning (_("extended FONT requires DIALOGEX"));
 520             else
 521               {
 522                 dialog.ex->weight = $6;
 523                 dialog.ex->italic = $7;
 524                 dialog.ex->charset = $8;
 525               }
 526           }
 527         | styles MENU id
 528           {
 529             dialog.menu = $3;
 530           }
 531         | styles CHARACTERISTICS numexpr
 532           {
 533             sub_res_info.characteristics = $3;
 534           }
 535         | styles LANGUAGE numexpr cnumexpr
 536           {
 537             sub_res_info.language = $3 | ($4 << SUBLANG_SHIFT);
 538           }
 539         | styles VERSIONK numexpr
 540           {
 541             sub_res_info.version = $3;
 542           }
 543         ;
 544
 545 controls:
 546           /* empty */
 547         | controls control
 548           {
 549             rc_dialog_control **pp;
 550
 551             for (pp = &dialog.controls; *pp != NULL; pp = &(*pp)->next)
 552               ;
 553             *pp = $2;
 554           }
 555         ;
 556
 557 control:
 558           AUTO3STATE optresidc
 559             {
 560               default_style = BS_AUTO3STATE | WS_TABSTOP;
 561               base_style = BS_AUTO3STATE;
 562               class.named = 0;
 563               class.u.id = CTL_BUTTON;
 564               res_text_field = $2;
 565             }
 566             control_params
 567           {
 568             $$ = $4;
 569           }
 570         | AUTOCHECKBOX optresidc
 571             {
 572               default_style = BS_AUTOCHECKBOX | WS_TABSTOP;
 573               base_style = BS_AUTOCHECKBOX;
 574               class.named = 0;
 575               class.u.id = CTL_BUTTON;
 576               res_text_field = $2;
 577             }
 578             control_params
 579           {
 580             $$ = $4;
 581           }
 582         | AUTORADIOBUTTON optresidc
 583             {
 584               default_style = BS_AUTORADIOBUTTON | WS_TABSTOP;
 585               base_style = BS_AUTORADIOBUTTON;
 586               class.named = 0;
 587               class.u.id = CTL_BUTTON;
 588               res_text_field = $2;
 589             }
 590             control_params
 591           {
 592             $$ = $4;
 593           }
 594         | BEDIT optresidc
 595             {
 596               default_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 597               base_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 598               class.named = 0;
 599               class.u.id = CTL_EDIT;
 600               res_text_field = $2;
 601             }
 602             control_params
 603           {
 604             $$ = $4;
 605             if (dialog.ex == NULL)
 606               rcparse_warning (_("BEDIT requires DIALOGEX"));
 607             res_string_to_id (&$$->class, "BEDIT");
 608           }
 609         | CHECKBOX optresidc
 610             {
 611               default_style = BS_CHECKBOX | WS_TABSTOP;
 612               base_style = BS_CHECKBOX | WS_TABSTOP;
 613               class.named = 0;
 614               class.u.id = CTL_BUTTON;
 615               res_text_field = $2;
 616             }
 617             control_params
 618           {
 619             $$ = $4;
 620           }
 621         | COMBOBOX
 622             {
 623               /* This is as per MSDN documentation.  With some (???)
 624                  versions of MS rc.exe their is no default style.  */
 625               default_style = CBS_SIMPLE | WS_TABSTOP;
 626               base_style = 0;
 627               class.named = 0;
 628               class.u.id = CTL_COMBOBOX;
 629               res_text_field = res_null_text;
 630             }
 631             control_params
 632           {
 633             $$ = $3;
 634           }
 635         | CONTROL optresidc numexpr cresid control_styleexpr cnumexpr
 636             cnumexpr cnumexpr cnumexpr optcnumexpr opt_control_data
 637           {
 638             $$ = define_control ($2, $3, $6, $7, $8, $9, $4, style, $10);
 639             if ($11 != NULL)
 640               {
 641                 if (dialog.ex == NULL)
 642                   rcparse_warning (_("control data requires DIALOGEX"));
 643                 $$->data = $11;
 644               }
 645           }
 646         | CONTROL optresidc numexpr cresid control_styleexpr cnumexpr
 647             cnumexpr cnumexpr cnumexpr cnumexpr cnumexpr opt_control_data
 648           {
 649             $$ = define_control ($2, $3, $6, $7, $8, $9, $4, style, $10);
 650             if (dialog.ex == NULL)
 651               rcparse_warning (_("help ID requires DIALOGEX"));
 652             $$->help = $11;
 653             $$->data = $12;
 654           }
 655         | CTEXT optresidc
 656             {
 657               default_style = SS_CENTER | WS_GROUP;
 658               base_style = SS_CENTER;
 659               class.named = 0;
 660               class.u.id = CTL_STATIC;
 661               res_text_field = $2;
 662             }
 663             control_params
 664           {
 665             $$ = $4;
 666           }
 667         | DEFPUSHBUTTON optresidc
 668             {
 669               default_style = BS_DEFPUSHBUTTON | WS_TABSTOP;
 670               base_style = BS_DEFPUSHBUTTON | WS_TABSTOP;
 671               class.named = 0;
 672               class.u.id = CTL_BUTTON;
 673               res_text_field = $2;
 674             }
 675             control_params
 676           {
 677             $$ = $4;
 678           }
 679         | EDITTEXT
 680             {
 681               default_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 682               base_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 683               class.named = 0;
 684               class.u.id = CTL_EDIT;
 685               res_text_field = res_null_text;
 686             }
 687             control_params
 688           {
 689             $$ = $3;
 690           }
 691         | GROUPBOX optresidc
 692             {
 693               default_style = BS_GROUPBOX;
 694               base_style = BS_GROUPBOX;
 695               class.named = 0;
 696               class.u.id = CTL_BUTTON;
 697               res_text_field = $2;
 698             }
 699             control_params
 700           {
 701             $$ = $4;
 702           }
 703         | HEDIT optresidc
 704             {
 705               default_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 706               base_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 707               class.named = 0;
 708               class.u.id = CTL_EDIT;
 709               res_text_field = $2;
 710             }
 711             control_params
 712           {
 713             $$ = $4;
 714             if (dialog.ex == NULL)
 715               rcparse_warning (_("IEDIT requires DIALOGEX"));
 716             res_string_to_id (&$$->class, "HEDIT");
 717           }
 718         | ICON resref numexpr cnumexpr cnumexpr opt_control_data
 719           {
 720             $$ = define_icon_control ($2, $3, $4, $5, 0, 0, 0, $6,
 721                                       dialog.ex);
 722           }
 723         | ICON resref numexpr cnumexpr cnumexpr cnumexpr cnumexpr
 724             opt_control_data
 725           {
 726             $$ = define_icon_control ($2, $3, $4, $5, 0, 0, 0, $8,
 727                                       dialog.ex);
 728           }
 729         | ICON resref numexpr cnumexpr cnumexpr cnumexpr cnumexpr
 730             icon_styleexpr optcnumexpr opt_control_data
 731           {
 732             $$ = define_icon_control ($2, $3, $4, $5, style, $9, 0, $10,
 733                                       dialog.ex);
 734           }
 735         | ICON resref numexpr cnumexpr cnumexpr cnumexpr cnumexpr
 736             icon_styleexpr cnumexpr cnumexpr opt_control_data
 737           {
 738             $$ = define_icon_control ($2, $3, $4, $5, style, $9, $10, $11,
 739                                       dialog.ex);
 740           }
 741         | IEDIT optresidc
 742             {
 743               default_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 744               base_style = ES_LEFT | WS_BORDER | WS_TABSTOP;
 745               class.named = 0;
 746               class.u.id = CTL_EDIT;
 747               res_text_field = $2;
 748             }
 749             control_params
 750           {
 751             $$ = $4;
 752             if (dialog.ex == NULL)
 753               rcparse_warning (_("IEDIT requires DIALOGEX"));
 754             res_string_to_id (&$$->class, "IEDIT");
 755           }
 756         | LISTBOX
 757             {
 758               default_style = LBS_NOTIFY | WS_BORDER;
 759               base_style = LBS_NOTIFY | WS_BORDER;
 760               class.named = 0;
 761               class.u.id = CTL_LISTBOX;
 762               res_text_field = res_null_text;
 763             }
 764             control_params
 765           {
 766             $$ = $3;
 767           }
 768         | LTEXT optresidc
 769             {
 770               default_style = SS_LEFT | WS_GROUP;
 771               base_style = SS_LEFT;
 772               class.named = 0;
 773               class.u.id = CTL_STATIC;
 774               res_text_field = $2;
 775             }
 776             control_params
 777           {
 778             $$ = $4;
 779           }
 780         | PUSHBOX optresidc
 781             {
 782               default_style = BS_PUSHBOX | WS_TABSTOP;
 783               base_style = BS_PUSHBOX;
 784               class.named = 0;
 785               class.u.id = CTL_BUTTON;
 786             }
 787             control_params
 788           {
 789             $$ = $4;
 790           }
 791         | PUSHBUTTON optresidc
 792             {
 793               default_style = BS_PUSHBUTTON | WS_TABSTOP;
 794               base_style = BS_PUSHBUTTON | WS_TABSTOP;
 795               class.named = 0;
 796               class.u.id = CTL_BUTTON;
 797               res_text_field = $2;
 798             }
 799             control_params
 800           {
 801             $$ = $4;
 802           }
 803         | RADIOBUTTON optresidc
 804             {
 805               default_style = BS_RADIOBUTTON | WS_TABSTOP;
 806               base_style = BS_RADIOBUTTON;
 807               class.named = 0;
 808               class.u.id = CTL_BUTTON;
 809               res_text_field = $2;
 810             }
 811             control_params
 812           {
 813             $$ = $4;
 814           }
 815         | RTEXT optresidc
 816             {
 817               default_style = SS_RIGHT | WS_GROUP;
 818               base_style = SS_RIGHT;
 819               class.named = 0;
 820               class.u.id = CTL_STATIC;
 821               res_text_field = $2;
 822             }
 823             control_params
 824           {
 825             $$ = $4;
 826           }
 827         | SCROLLBAR
 828             {
 829               default_style = SBS_HORZ;
 830               base_style = 0;
 831               class.named = 0;
 832               class.u.id = CTL_SCROLLBAR;
 833               res_text_field = res_null_text;
 834             }
 835             control_params
 836           {
 837             $$ = $3;
 838           }
 839         | STATE3 optresidc
 840             {
 841               default_style = BS_3STATE | WS_TABSTOP;
 842               base_style = BS_3STATE;
 843               class.named = 0;
 844               class.u.id = CTL_BUTTON;
 845               res_text_field = $2;
 846             }
 847             control_params
 848           {
 849             $$ = $4;
 850           }
 851         | USERBUTTON resref numexpr ',' numexpr ',' numexpr ','
 852             numexpr ',' numexpr ','
 853             { style = WS_CHILD | WS_VISIBLE; }
 854             styleexpr optcnumexpr
 855           {
 856             rc_res_id cid;
 857             cid.named = 0;
 858             cid.u.id = CTL_BUTTON;
 859             $$ = define_control ($2, $3, $5, $7, $9, $11, cid,
 860                                  style, $15);
 861           }
 862         ;
 863
 864 /* Parameters for a control.  The static variables DEFAULT_STYLE,
 865    BASE_STYLE, and CLASS must be initialized before this nonterminal
 866    is used.  DEFAULT_STYLE is the style to use if no style expression
 867    is specified.  BASE_STYLE is the base style to use if a style
 868    expression is specified; the style expression modifies the base
 869    style.  CLASS is the class of the control.  */
 870
 871 control_params:
 872           numexpr cnumexpr cnumexpr cnumexpr cnumexpr opt_control_data
 873           {
 874             $$ = define_control (res_text_field, $1, $2, $3, $4, $5, class,
 875                                  default_style | WS_CHILD | WS_VISIBLE, 0);
 876             if ($6 != NULL)
 877               {
 878                 if (dialog.ex == NULL)
 879                   rcparse_warning (_("control data requires DIALOGEX"));
 880                 $$->data = $6;
 881               }
 882           }
 883         | numexpr cnumexpr cnumexpr cnumexpr cnumexpr
 884             control_params_styleexpr optcnumexpr opt_control_data
 885           {
 886             $$ = define_control (res_text_field, $1, $2, $3, $4, $5, class, style, $7);
 887             if ($8 != NULL)
 888               {
 889                 if (dialog.ex == NULL)
 890                   rcparse_warning (_("control data requires DIALOGEX"));
 891                 $$->data = $8;
 892               }
 893           }
 894         | numexpr cnumexpr cnumexpr cnumexpr cnumexpr
 895             control_params_styleexpr cnumexpr cnumexpr opt_control_data
 896           {
 897             $$ = define_control (res_text_field, $1, $2, $3, $4, $5, class, style, $7);
 898             if (dialog.ex == NULL)
 899               rcparse_warning (_("help ID requires DIALOGEX"));
 900             $$->help = $8;
 901             $$->data = $9;
 902           }
 903         ;
 904
 905 cresid:
 906           ',' resid
 907           {
 908             if ($2.named)
 909               res_unistring_to_id (&$$, $2.u.n.name);
 910             else
 911               $$=$2;
 912           }
 913         ;
 914
 915 optresidc:
 916           /* empty */
 917           {
 918             res_string_to_id (&$$, "");
 919           }
 920         | resid ',' { $$=$1; }
 921         ;
 922
 923 resid:
 924           posnumexpr
 925           {
 926             $$.named = 0;
 927             $$.u.id = $1;
 928           }
 929         | res_unicode_string_concat
 930           {
 931             $$.named = 1;
 932             $$.u.n.name = $1;
 933             $$.u.n.length = unichar_len ($1);
 934           }
 935         ;
 936
 937 opt_control_data:
 938           /* empty */
 939           {
 940             $$ = NULL;
 941           }
 942         | BEG optrcdata_data END
 943           {
 944             $$ = $2.first;
 945           }
 946         ;
 947
 948 /* These only exist to parse a reduction out of a common case.  */
 949
 950 control_styleexpr:
 951           ','
 952           { style = WS_CHILD | WS_VISIBLE; }
 953           styleexpr
 954         ;
 955
 956 icon_styleexpr:
 957           ','
 958           { style = SS_ICON | WS_CHILD | WS_VISIBLE; }
 959           styleexpr
 960         ;
 961
 962 control_params_styleexpr:
 963           ','
 964           { style = base_style | WS_CHILD | WS_VISIBLE; }
 965           styleexpr
 966         ;
 967
 968 /* Font resources.  */
 969
 970 font:
 971           id FONT memflags_move_discard file_name
 972           {
 973             define_font ($1, &$3, $4);
 974             if (yychar != YYEMPTY)
 975               YYERROR;
 976             rcparse_discard_strings ();
 977           }
 978         ;
 979
 980 /* Icon resources.  */
 981
 982 icon:
 983           id ICON memflags_move_discard file_name
 984           {
 985             define_icon ($1, &$3, $4);
 986             if (yychar != YYEMPTY)
 987               YYERROR;
 988             rcparse_discard_strings ();
 989           }
 990         ;
 991
 992 /* Language command.  This changes the static variable language, which
 993    affects all subsequent resources.  */
 994
 995 language:
 996           LANGUAGE numexpr cnumexpr
 997           {
 998             language = $2 | ($3 << SUBLANG_SHIFT);
 999           }
1000         ;
1001
1002 /* Menu resources.  */
1003
1004 menu:
1005           id MENU suboptions BEG menuitems END
1006           {
1007             define_menu ($1, &$3, $5);
1008             if (yychar != YYEMPTY)
1009               YYERROR;
1010             rcparse_discard_strings ();
1011           }
1012         ;
1013
1014 menuitems:
1015           /* empty */
1016           {
1017             $$ = NULL;
1018           }
1019         | menuitems menuitem
1020           {
1021             if ($1 == NULL)
1022               $$ = $2;
1023             else
1024               {
1025                 rc_menuitem **pp;
1026
1027                 for (pp = &$1->next; *pp != NULL; pp = &(*pp)->next)
1028                   ;
1029                 *pp = $2;
1030                 $$ = $1;
1031               }
1032           }
1033         ;
1034
1035 menuitem:
1036           MENUITEM res_unicode_string_concat cnumexpr menuitem_flags
1037           {
1038             $$ = define_menuitem ($2, $3, $4, 0, 0, NULL);
1039           }
1040         | MENUITEM SEPARATOR
1041           {
1042             $$ = define_menuitem (NULL, 0, 0, 0, 0, NULL);
1043           }
1044         | POPUP res_unicode_string_concat menuitem_flags BEG menuitems END
1045           {
1046             $$ = define_menuitem ($2, 0, $3, 0, 0, $5);
1047           }
1048         ;
1049
1050 menuitem_flags:
1051           /* empty */
1052           {
1053             $$ = 0;
1054           }
1055         | menuitem_flags ',' menuitem_flag
1056           {
1057             $$ = $1 | $3;
1058           }
1059         | menuitem_flags menuitem_flag
1060           {
1061             $$ = $1 | $2;
1062           }
1063         ;
1064
1065 menuitem_flag:
1066           CHECKED
1067           {
1068             $$ = MENUITEM_CHECKED;
1069           }
1070         | GRAYED
1071           {
1072             $$ = MENUITEM_GRAYED;
1073           }
1074         | HELP
1075           {
1076             $$ = MENUITEM_HELP;
1077           }
1078         | INACTIVE
1079           {
1080             $$ = MENUITEM_INACTIVE;
1081           }
1082         | MENUBARBREAK
1083           {
1084             $$ = MENUITEM_MENUBARBREAK;
1085           }
1086         | MENUBREAK
1087           {
1088             $$ = MENUITEM_MENUBREAK;
1089           }
1090         ;
1091
1092 /* Menuex resources.  */
1093
1094 menuex:
1095           id MENUEX suboptions BEG menuexitems END
1096           {
1097             define_menu ($1, &$3, $5);
1098             if (yychar != YYEMPTY)
1099               YYERROR;
1100             rcparse_discard_strings ();
1101           }
1102         ;
1103
1104 menuexitems:
1105           /* empty */
1106           {
1107             $$ = NULL;
1108           }
1109         | menuexitems menuexitem
1110           {
1111             if ($1 == NULL)
1112               $$ = $2;
1113             else
1114               {
1115                 rc_menuitem **pp;
1116
1117                 for (pp = &$1->next; *pp != NULL; pp = &(*pp)->next)
1118                   ;
1119                 *pp = $2;
1120                 $$ = $1;
1121               }
1122           }
1123         ;
1124
1125 menuexitem:
1126           MENUITEM res_unicode_string_concat
1127           {
1128             $$ = define_menuitem ($2, 0, 0, 0, 0, NULL);
1129           }
1130         | MENUITEM res_unicode_string_concat cnumexpr
1131           {
1132             $$ = define_menuitem ($2, $3, 0, 0, 0, NULL);
1133           }
1134         | MENUITEM res_unicode_string_concat cnumexpr cnumexpr optcnumexpr
1135           {
1136             $$ = define_menuitem ($2, $3, $4, $5, 0, NULL);
1137           }
1138         | MENUITEM SEPARATOR
1139           {
1140             $$ = define_menuitem (NULL, 0, 0, 0, 0, NULL);
1141           }
1142         | POPUP res_unicode_string_concat BEG menuexitems END
1143           {
1144             $$ = define_menuitem ($2, 0, 0, 0, 0, $4);
1145           }
1146         | POPUP res_unicode_string_concat cnumexpr BEG menuexitems END
1147           {
1148             $$ = define_menuitem ($2, $3, 0, 0, 0, $5);
1149           }
1150         | POPUP res_unicode_string_concat cnumexpr cnumexpr BEG menuexitems END
1151           {
1152             $$ = define_menuitem ($2, $3, $4, 0, 0, $6);
1153           }
1154         | POPUP res_unicode_string_concat cnumexpr cnumexpr cnumexpr optcnumexpr
1155             BEG menuexitems END
1156           {
1157             $$ = define_menuitem ($2, $3, $4, $5, $6, $8);
1158           }
1159         ;
1160
1161 /* Messagetable resources.  */
1162
1163 messagetable:
1164           id MESSAGETABLE memflags_move file_name
1165           {
1166             define_messagetable ($1, &$3, $4);
1167             if (yychar != YYEMPTY)
1168               YYERROR;
1169             rcparse_discard_strings ();
1170           }
1171         ;
1172
1173 /* We use a different lexing algorithm, because rcdata strings may
1174    contain embedded null bytes, and we need to know the length to use.  */
1175
1176 optrcdata_data:
1177           {
1178             rcparse_rcdata ();
1179           }
1180           optrcdata_data_int
1181           {
1182             rcparse_normal ();
1183             $$ = $2;
1184           }
1185         ;
1186
1187 optrcdata_data_int:
1188           /* empty */
1189           {
1190             $$.first = NULL;
1191             $$.last = NULL;
1192           }
1193         | rcdata_data
1194           {
1195             $$ = $1;
1196           }
1197         ;
1198
1199 rcdata_data:
1200           sizedstring
1201           {
1202             rc_rcdata_item *ri;
1203
1204             ri = define_rcdata_string ($1.s, $1.length);
1205             $$.first = ri;
1206             $$.last = ri;
1207           }
1208         | sizedunistring
1209           {
1210             rc_rcdata_item *ri;
1211
1212             ri = define_rcdata_unistring ($1.s, $1.length);
1213             $$.first = ri;
1214             $$.last = ri;
1215           }
1216         | sizednumexpr
1217           {
1218             rc_rcdata_item *ri;
1219
1220             ri = define_rcdata_number ($1.val, $1.dword);
1221             $$.first = ri;
1222             $$.last = ri;
1223           }
1224         | rcdata_data ',' sizedstring
1225           {
1226             rc_rcdata_item *ri;
1227
1228             ri = define_rcdata_string ($3.s, $3.length);
1229             $$.first = $1.first;
1230             $1.last->next = ri;
1231             $$.last = ri;
1232           }
1233         | rcdata_data ',' sizedunistring
1234           {
1235             rc_rcdata_item *ri;
1236
1237             ri = define_rcdata_unistring ($3.s, $3.length);
1238             $$.first = $1.first;
1239             $1.last->next = ri;
1240             $$.last = ri;
1241           }
1242         | rcdata_data ',' sizednumexpr
1243           {
1244             rc_rcdata_item *ri;
1245
1246             ri = define_rcdata_number ($3.val, $3.dword);
1247             $$.first = $1.first;
1248             $1.last->next = ri;
1249             $$.last = ri;
1250           }
1251         ;
1252
1253 /* Stringtable resources.  */
1254
1255 stringtable:
1256           STRINGTABLE suboptions BEG
1257             { sub_res_info = $2; }
1258             string_data END
1259         ;
1260
1261 string_data:
1262           /* empty */
1263         | string_data numexpr res_unicode_string_concat
1264           {
1265             define_stringtable (&sub_res_info, $2, $3);
1266             rcparse_discard_strings ();
1267           }
1268         | string_data numexpr ',' res_unicode_string_concat
1269           {
1270             define_stringtable (&sub_res_info, $2, $4);
1271             rcparse_discard_strings ();
1272           }
1273         | string_data error
1274           {
1275             rcparse_warning (_("invalid stringtable resource."));
1276             abort ();
1277           }
1278         ;
1279
1280 rcdata_id:
1281         id
1282           {
1283             $$=$1;
1284           }
1285       | HTML
1286         {
1287           $$.named = 0;
1288           $$.u.id = 23;
1289         }
1290       | RCDATA
1291         {
1292           $$.named = 0;
1293           $$.u.id = RT_RCDATA;
1294         }
1295       | MANIFEST
1296         {
1297           $$.named = 0;
1298           $$.u.id = RT_MANIFEST;
1299         }
1300       | PLUGPLAY
1301         {
1302           $$.named = 0;
1303           $$.u.id = RT_PLUGPLAY;
1304         }
1305       | VXD
1306         {
1307           $$.named = 0;
1308           $$.u.id = RT_VXD;
1309         }
1310       | DLGINCLUDE
1311         {
1312           $$.named = 0;
1313           $$.u.id = RT_DLGINCLUDE;
1314         }
1315       | DLGINIT
1316         {
1317           $$.named = 0;
1318           $$.u.id = RT_DLGINIT;
1319         }
1320       | ANICURSOR
1321         {
1322           $$.named = 0;
1323           $$.u.id = RT_ANICURSOR;
1324         }
1325       | ANIICON
1326         {
1327           $$.named = 0;
1328           $$.u.id = RT_ANIICON;
1329         }
1330       ;
1331
1332 /* User defined resources.  We accept general suboptions in the
1333    file_name case to keep the parser happy.  */
1334
1335 user:
1336           id rcdata_id suboptions BEG optrcdata_data END
1337           {
1338             define_user_data ($1, $2, &$3, $5.first);
1339             if (yychar != YYEMPTY)
1340               YYERROR;
1341             rcparse_discard_strings ();
1342           }
1343         | id rcdata_id suboptions file_name
1344           {
1345             define_user_file ($1, $2, &$3, $4);
1346             if (yychar != YYEMPTY)
1347               YYERROR;
1348             rcparse_discard_strings ();
1349           }
1350         ;
1351
1352 toolbar:
1353         id TOOLBAR suboptions numexpr cnumexpr BEG toolbar_data END
1354         {
1355           define_toolbar ($1, &$3, $4, $5, $7);
1356         }
1357         ;
1358
1359 toolbar_data: /* empty */ { $$= NULL; }
1360         | toolbar_data BUTTON id
1361         {
1362           rc_toolbar_item *c,*n;
1363           c = $1;
1364           n= (rc_toolbar_item *)
1365               res_alloc (sizeof (rc_toolbar_item));
1366           if (c != NULL)
1367             while (c->next != NULL)
1368               c = c->next;
1369           n->prev = c;
1370           n->next = NULL;
1371           if (c != NULL)
1372             c->next = n;
1373           n->id = $3;
1374           if ($1 == NULL)
1375             $$ = n;
1376           else
1377             $$ = $1;
1378         }
1379         | toolbar_data SEPARATOR
1380         {
1381           rc_toolbar_item *c,*n;
1382           c = $1;
1383           n= (rc_toolbar_item *)
1384               res_alloc (sizeof (rc_toolbar_item));
1385           if (c != NULL)
1386             while (c->next != NULL)
1387               c = c->next;
1388           n->prev = c;
1389           n->next = NULL;
1390           if (c != NULL)
1391             c->next = n;
1392           n->id.named = 0;
1393           n->id.u.id = 0;
1394           if ($1 == NULL)
1395             $$ = n;
1396           else
1397             $$ = $1;
1398         }
1399         ;
1400
1401 /* Versioninfo resources.  */
1402
1403 versioninfo:
1404           id VERSIONINFO fixedverinfo BEG verblocks END
1405           {
1406             define_versioninfo ($1, language, $3, $5);
1407             if (yychar != YYEMPTY)
1408               YYERROR;
1409             rcparse_discard_strings ();
1410           }
1411         ;
1412
1413 fixedverinfo:
1414           /* empty */
1415           {
1416             $$ = ((rc_fixed_versioninfo *)
1417                   res_alloc (sizeof (rc_fixed_versioninfo)));
1418             memset ($$, 0, sizeof (rc_fixed_versioninfo));
1419           }
1420         | fixedverinfo FILEVERSION numexpr cnumexpr cnumexpr cnumexpr
1421           {
1422             $1->file_version_ms = ($3 << 16) | $4;
1423             $1->file_version_ls = ($5 << 16) | $6;
1424             $$ = $1;
1425           }
1426         | fixedverinfo PRODUCTVERSION numexpr cnumexpr cnumexpr cnumexpr
1427           {
1428             $1->product_version_ms = ($3 << 16) | $4;
1429             $1->product_version_ls = ($5 << 16) | $6;
1430             $$ = $1;
1431           }
1432         | fixedverinfo FILEFLAGSMASK numexpr
1433           {
1434             $1->file_flags_mask = $3;
1435             $$ = $1;
1436           }
1437         | fixedverinfo FILEFLAGS numexpr
1438           {
1439             $1->file_flags = $3;
1440             $$ = $1;
1441           }
1442         | fixedverinfo FILEOS numexpr
1443           {
1444             $1->file_os = $3;
1445             $$ = $1;
1446           }
1447         | fixedverinfo FILETYPE numexpr
1448           {
1449             $1->file_type = $3;
1450             $$ = $1;
1451           }
1452         | fixedverinfo FILESUBTYPE numexpr
1453           {
1454             $1->file_subtype = $3;
1455             $$ = $1;
1456           }
1457         ;
1458
1459 /* To handle verblocks successfully, the lexer handles BLOCK
1460    specially.  A BLOCK "StringFileInfo" is returned as
1461    BLOCKSTRINGFILEINFO.  A BLOCK "VarFileInfo" is returned as
1462    BLOCKVARFILEINFO.  A BLOCK with some other string returns BLOCK
1463    with the string as the value.  */
1464
1465 verblocks:
1466           /* empty */
1467           {
1468             $$ = NULL;
1469           }
1470         | verblocks BLOCKSTRINGFILEINFO BEG BLOCK BEG vervals END END
1471           {
1472             $$ = append_ver_stringfileinfo ($1, $4, $6);
1473           }
1474         | verblocks BLOCKVARFILEINFO BEG VALUE res_unicode_string_concat vertrans END
1475           {
1476             $$ = append_ver_varfileinfo ($1, $5, $6);
1477           }
1478         ;
1479
1480 vervals:
1481           /* empty */
1482           {
1483             $$ = NULL;
1484           }
1485         | vervals VALUE res_unicode_string_concat ',' res_unicode_string_concat
1486           {
1487             $$ = append_verval ($1, $3, $5);
1488           }
1489         ;
1490
1491 vertrans:
1492           /* empty */
1493           {
1494             $$ = NULL;
1495           }
1496         | vertrans cnumexpr cnumexpr
1497           {
1498             $$ = append_vertrans ($1, $2, $3);
1499           }
1500         ;
1501
1502 /* A resource ID.  */
1503
1504 id:
1505           posnumexpr
1506           {
1507             $$.named = 0;
1508             $$.u.id = $1;
1509           }
1510         | resname
1511           {
1512             res_unistring_to_id (&$$, $1);
1513           }
1514         ;
1515
1516 /* A resource reference.  */
1517
1518 resname:
1519           res_unicode_string
1520           {
1521             $$ = $1;
1522           }
1523         | STRING
1524           {
1525             unichar *h = NULL;
1526             unicode_from_ascii ((rc_uint_type *) NULL, &h, $1);
1527             $$ = h;
1528           }
1529         ;
1530
1531
1532 resref:
1533           posnumexpr ','
1534           {
1535             $$.named = 0;
1536             $$.u.id = $1;
1537           }
1538         | resname
1539           {
1540             res_unistring_to_id (&$$, $1);
1541           }
1542         | resname ','
1543           {
1544             res_unistring_to_id (&$$, $1);
1545           }
1546         ;
1547
1548 /* Generic suboptions.  These may appear before the BEGIN in any
1549    multiline statement.  */
1550
1551 suboptions:
1552           /* empty */
1553           {
1554             memset (&$$, 0, sizeof (rc_res_res_info));
1555             $$.language = language;
1556             /* FIXME: Is this the right default?  */
1557             $$.memflags = MEMFLAG_MOVEABLE | MEMFLAG_PURE | MEMFLAG_DISCARDABLE;
1558           }
1559         | suboptions memflag
1560           {
1561             $$ = $1;
1562             $$.memflags |= $2.on;
1563             $$.memflags &=~ $2.off;
1564           }
1565         | suboptions CHARACTERISTICS numexpr
1566           {
1567             $$ = $1;
1568             $$.characteristics = $3;
1569           }
1570         | suboptions LANGUAGE numexpr cnumexpr
1571           {
1572             $$ = $1;
1573             $$.language = $3 | ($4 << SUBLANG_SHIFT);
1574           }
1575         | suboptions VERSIONK numexpr
1576           {
1577             $$ = $1;
1578             $$.version = $3;
1579           }
1580         ;
1581
1582 /* Memory flags which default to MOVEABLE and DISCARDABLE.  */
1583
1584 memflags_move_discard:
1585           /* empty */
1586           {
1587             memset (&$$, 0, sizeof (rc_res_res_info));
1588             $$.language = language;
1589             $$.memflags = MEMFLAG_MOVEABLE | MEMFLAG_DISCARDABLE;
1590           }
1591         | memflags_move_discard memflag
1592           {
1593             $$ = $1;
1594             $$.memflags |= $2.on;
1595             $$.memflags &=~ $2.off;
1596           }
1597         ;
1598
1599 /* Memory flags which default to MOVEABLE.  */
1600
1601 memflags_move:
1602           /* empty */
1603           {
1604             memset (&$$, 0, sizeof (rc_res_res_info));
1605             $$.language = language;
1606             $$.memflags = MEMFLAG_MOVEABLE | MEMFLAG_PURE | MEMFLAG_DISCARDABLE;
1607           }
1608         | memflags_move memflag
1609           {
1610             $$ = $1;
1611             $$.memflags |= $2.on;
1612             $$.memflags &=~ $2.off;
1613           }
1614         ;
1615
1616 /* Memory flags.  This returns a struct with two integers, because we
1617    sometimes want to set bits and we sometimes want to clear them.  */
1618
1619 memflag:
1620           MOVEABLE
1621           {
1622             $$.on = MEMFLAG_MOVEABLE;
1623             $$.off = 0;
1624           }
1625         | FIXED
1626           {
1627             $$.on = 0;
1628             $$.off = MEMFLAG_MOVEABLE;
1629           }
1630         | PURE
1631           {
1632             $$.on = MEMFLAG_PURE;
1633             $$.off = 0;
1634           }
1635         | IMPURE
1636           {
1637             $$.on = 0;
1638             $$.off = MEMFLAG_PURE;
1639           }
1640         | PRELOAD
1641           {
1642             $$.on = MEMFLAG_PRELOAD;
1643             $$.off = 0;
1644           }
1645         | LOADONCALL
1646           {
1647             $$.on = 0;
1648             $$.off = MEMFLAG_PRELOAD;
1649           }
1650         | DISCARDABLE
1651           {
1652             $$.on = MEMFLAG_DISCARDABLE;
1653             $$.off = 0;
1654           }
1655         ;
1656
1657 /* A file name.  */
1658
1659 file_name:
1660           QUOTEDSTRING
1661           {
1662             $$ = $1;
1663           }
1664         | STRING
1665           {
1666             $$ = $1;
1667           }
1668         ;
1669
1670 /* Concat string */
1671 res_unicode_string_concat:
1672           res_unicode_string
1673           {
1674             $$ = $1;
1675           }
1676         |
1677           res_unicode_string_concat res_unicode_string
1678           {
1679             rc_uint_type l1 = unichar_len ($1);
1680             rc_uint_type l2 = unichar_len ($2);
1681             unichar *h = (unichar *) res_alloc ((l1 + l2 + 1) * sizeof (unichar));
1682             if (l1 != 0)
1683               memcpy (h, $1, l1 * sizeof (unichar));
1684             if (l2 != 0)
1685               memcpy (h + l1, $2, l2  * sizeof (unichar));
1686             h[l1 + l2] = 0;
1687             $$ = h;
1688           }
1689         ;
1690
1691 res_unicode_string:
1692           QUOTEDUNISTRING
1693           {
1694             $$ = unichar_dup ($1);
1695           }
1696         | QUOTEDSTRING
1697           {
1698             unichar *h = NULL;
1699             unicode_from_ascii ((rc_uint_type *) NULL, &h, $1);
1700             $$ = h;
1701           }
1702         ;
1703
1704 sizedstring:
1705           SIZEDSTRING
1706           {
1707             $$ = $1;
1708           }
1709         | sizedstring SIZEDSTRING
1710           {
1711             rc_uint_type l = $1.length + $2.length;
1712             char *h = (char *) res_alloc (l);
1713             memcpy (h, $1.s, $1.length);
1714             memcpy (h + $1.length, $2.s, $2.length);
1715             $$.s = h;
1716             $$.length = l;
1717           }
1718         ;
1719
1720 sizedunistring:
1721           SIZEDUNISTRING
1722           {
1723             $$ = $1;
1724           }
1725         | sizedunistring SIZEDUNISTRING
1726           {
1727             rc_uint_type l = $1.length + $2.length;
1728             unichar *h = (unichar *) res_alloc (l * sizeof (unichar));
1729             memcpy (h, $1.s, $1.length * sizeof (unichar));
1730             memcpy (h + $1.length, $2.s, $2.length  * sizeof (unichar));
1731             $$.s = h;
1732             $$.length = l;
1733           }
1734         ;
1735
1736 /* A style expression.  This changes the static variable STYLE.  We do
1737    it this way because rc appears to permit a style to be set to
1738    something like
1739        WS_GROUP | NOT WS_TABSTOP
1740    to mean that a default of WS_TABSTOP should be removed.  Anything
1741    which wants to accept a style must first set STYLE to the default
1742    value.  The styleexpr nonterminal will change STYLE as specified by
1743    the user.  Note that we do not accept arbitrary expressions here,
1744    just numbers separated by '|'.  */
1745
1746 styleexpr:
1747           parennumber
1748           {
1749             style |= $1;
1750           }
1751         | NOT parennumber
1752           {
1753             style &=~ $2;
1754           }
1755         | styleexpr '|' parennumber
1756           {
1757             style |= $3;
1758           }
1759         | styleexpr '|' NOT parennumber
1760           {
1761             style &=~ $4;
1762           }
1763         ;
1764
1765 parennumber:
1766           NUMBER
1767           {
1768             $$ = $1.val;
1769           }
1770         | '(' numexpr ')'
1771           {
1772             $$ = $2;
1773           }
1774         ;
1775
1776 /* An optional expression with a leading comma.  */
1777
1778 optcnumexpr:
1779           /* empty */
1780           {
1781             $$ = 0;
1782           }
1783         | cnumexpr
1784           {
1785             $$ = $1;
1786           }
1787         ;
1788
1789 /* An expression with a leading comma.  */
1790
1791 cnumexpr:
1792           ',' numexpr
1793           {
1794             $$ = $2;
1795           }
1796         ;
1797
1798 /* A possibly negated numeric expression.  */
1799
1800 numexpr:
1801           sizednumexpr
1802           {
1803             $$ = $1.val;
1804           }
1805         ;
1806
1807 /* A possibly negated expression with a size.  */
1808
1809 sizednumexpr:
1810           NUMBER
1811           {
1812             $$ = $1;
1813           }
1814         | '(' sizednumexpr ')'
1815           {
1816             $$ = $2;
1817           }
1818         | '~' sizednumexpr %prec '~'
1819           {
1820             $$.val = ~ $2.val;
1821             $$.dword = $2.dword;
1822           }
1823         | '-' sizednumexpr %prec NEG
1824           {
1825             $$.val = - $2.val;
1826             $$.dword = $2.dword;
1827           }
1828         | sizednumexpr '*' sizednumexpr
1829           {
1830             $$.val = $1.val * $3.val;
1831             $$.dword = $1.dword || $3.dword;
1832           }
1833         | sizednumexpr '/' sizednumexpr
1834           {
1835             $$.val = $1.val / $3.val;
1836             $$.dword = $1.dword || $3.dword;
1837           }
1838         | sizednumexpr '%' sizednumexpr
1839           {
1840             $$.val = $1.val % $3.val;
1841             $$.dword = $1.dword || $3.dword;
1842           }
1843         | sizednumexpr '+' sizednumexpr
1844           {
1845             $$.val = $1.val + $3.val;
1846             $$.dword = $1.dword || $3.dword;
1847           }
1848         | sizednumexpr '-' sizednumexpr
1849           {
1850             $$.val = $1.val - $3.val;
1851             $$.dword = $1.dword || $3.dword;
1852           }
1853         | sizednumexpr '&' sizednumexpr
1854           {
1855             $$.val = $1.val & $3.val;
1856             $$.dword = $1.dword || $3.dword;
1857           }
1858         | sizednumexpr '^' sizednumexpr
1859           {
1860             $$.val = $1.val ^ $3.val;
1861             $$.dword = $1.dword || $3.dword;
1862           }
1863         | sizednumexpr '|' sizednumexpr
1864           {
1865             $$.val = $1.val | $3.val;
1866             $$.dword = $1.dword || $3.dword;
1867           }
1868         ;
1869
1870 /* An expression with a leading comma which does not use unary
1871    negation.  */
1872
1873 cposnumexpr:
1874           ',' posnumexpr
1875           {
1876             $$ = $2;
1877           }
1878         ;
1879
1880 /* An expression which does not use unary negation.  */
1881
1882 posnumexpr:
1883           sizedposnumexpr
1884           {
1885             $$ = $1.val;
1886           }
1887         ;
1888
1889 /* An expression which does not use unary negation.  We separate unary
1890    negation to avoid parsing conflicts when two numeric expressions
1891    appear consecutively.  */
1892
1893 sizedposnumexpr:
1894           NUMBER
1895           {
1896             $$ = $1;
1897           }
1898         | '(' sizednumexpr ')'
1899           {
1900             $$ = $2;
1901           }
1902         | '~' sizednumexpr %prec '~'
1903           {
1904             $$.val = ~ $2.val;
1905             $$.dword = $2.dword;
1906           }
1907         | sizedposnumexpr '*' sizednumexpr
1908           {
1909             $$.val = $1.val * $3.val;
1910             $$.dword = $1.dword || $3.dword;
1911           }
1912         | sizedposnumexpr '/' sizednumexpr
1913           {
1914             $$.val = $1.val / $3.val;
1915             $$.dword = $1.dword || $3.dword;
1916           }
1917         | sizedposnumexpr '%' sizednumexpr
1918           {
1919             $$.val = $1.val % $3.val;
1920             $$.dword = $1.dword || $3.dword;
1921           }
1922         | sizedposnumexpr '+' sizednumexpr
1923           {
1924             $$.val = $1.val + $3.val;
1925             $$.dword = $1.dword || $3.dword;
1926           }
1927         | sizedposnumexpr '-' sizednumexpr
1928           {
1929             $$.val = $1.val - $3.val;
1930             $$.dword = $1.dword || $3.dword;
1931           }
1932         | sizedposnumexpr '&' sizednumexpr
1933           {
1934             $$.val = $1.val & $3.val;
1935             $$.dword = $1.dword || $3.dword;
1936           }
1937         | sizedposnumexpr '^' sizednumexpr
1938           {
1939             $$.val = $1.val ^ $3.val;
1940             $$.dword = $1.dword || $3.dword;
1941           }
1942         | sizedposnumexpr '|' sizednumexpr
1943           {
1944             $$.val = $1.val | $3.val;
1945             $$.dword = $1.dword || $3.dword;
1946           }
1947         ;
1948
1949 %%
1950
1951 /* Set the language from the command line.  */
1952
1953 void
1954 rcparse_set_language (int lang)
1955 {
1956   language = lang;
1957 }