lily/parser.yy

   1 %{ // -*-Fundamental-*-
   2
   3 /*
   4   parser.yy -- Bison/C++ parser for mudela
   5
   6   source file of the GNU LilyPond music typesetter
   7
   8   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   9            Jan Nieuwenhuizen <janneke@gnu.org>
  10 */
  11
  12 #include <iostream.h>
  13 #include "lily-guile.hh"
  14 #include "translation-property.hh"
  15 #include "lookup.hh"
  16 #include "misc.hh"
  17 #include "my-lily-lexer.hh"
  18 #include "paper-def.hh"
  19 #include "midi-def.hh"
  20 #include "main.hh"
  21 #include "file-path.hh"
  22 #include "debug.hh"
  23 #include "dimensions.hh"
  24 #include "identifier.hh"
  25 #include "command-request.hh"
  26 #include "musical-request.hh"
  27 #include "my-lily-parser.hh"
  28 #include "context-specced-music.hh"
  29 #include "translator-group.hh"
  30 #include "score.hh"
  31 #include "music-list.hh"
  32 #include "change-translator.hh"
  33 #include "file-results.hh"
  34 #include "scope.hh"
  35 #include "relative-music.hh"
  36 #include "lyric-combine-music.hh"
  37 #include "transposed-music.hh"
  38 #include "time-scaled-music.hh"
  39 #include "repeated-music.hh"
  40 #include "mudela-version.hh"
  41 #include "grace-music.hh"
  42 #include "auto-change-music.hh"
  43 #include "output-property.hh"
  44
  45 bool
  46 is_duration_b (int t)
  47 {
  48   return t && t == 1 << intlog2(t);
  49 }
  50
  51
  52 // mmm JUNKME ?
  53 Mudela_version oldest_version ("1.3.59");
  54
  55 void
  56 print_mudela_versions (ostream &os)
  57 {
  58   os << _f ("Oldest supported input version: %s", oldest_version.str ())
  59     << endl;
  60 }
  61
  62
  63 // needed for bison.simple's malloc() and free()
  64 #include <malloc.h>
  65
  66 #ifndef NDEBUG
  67 #define YYDEBUG 1
  68 #endif
  69
  70 #define YYERROR_VERBOSE 1
  71
  72 #define YYPARSE_PARAM my_lily_parser_l
  73 #define YYLEX_PARAM my_lily_parser_l
  74 #define THIS ((My_lily_parser *) my_lily_parser_l)
  75
  76 #define yyerror THIS->parser_error
  77 #define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
  78
  79 %}
  80
  81
  82 %union {
  83     Array<Musical_pitch> *pitch_arr;
  84     Link_array<Request> *reqvec;
  85     Duration *duration;
  86     Identifier *id;
  87     String * string;
  88     Music *music;
  89     Music_list *music_list;
  90     Score *score;
  91     Scope *scope;
  92     Interval *interval;
  93     Musical_req* musreq;
  94     Music_output_def * outputdef;
  95     Musical_pitch * pitch;
  96     Midi_def* midi;
  97     Moment *moment;
  98     Real real;
  99     Request * request;
 100
 101     /* We use SCMs to do strings, because it saves us the trouble of
 102 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 103 of the parse stack onto the heap. */
 104
 105     SCM scm;
 106
 107     Tempo_req *tempo;
 108     Translator_group* trans;
 109     int i;
 110 }
 111 %{
 112
 113 int
 114 yylex (YYSTYPE *s,  void * v_l)
 115 {
 116         My_lily_parser   *pars_l = (My_lily_parser*) v_l;
 117         My_lily_lexer * lex_l = pars_l->lexer_p_;
 118
 119         lex_l->lexval_l = (void*) s;
 120         return lex_l->yylex ();
 121 }
 122
 123
 124 %}
 125
 126 %pure_parser
 127
 128 /* tokens which are not keywords */
 129 %token AUTOCHANGE
 130 %token TEXTSCRIPT
 131 %token ACCEPTS
 132 %token ALTERNATIVE
 133 %token BAR
 134 %token BREATHE
 135 %token CHORDMODIFIERS
 136 %token CHORDS
 137 %token CHAR_T
 138 %token CLEF
 139 %token CM_T
 140 %token CONSISTS
 141 %token SEQUENTIAL
 142 %token SIMULTANEOUS
 143 %token CONSISTSEND
 144 %token DURATION
 145 %token EXTENDER
 146 %token FONT
 147 %token GRACE
 148 %token HEADER
 149 %token HYPHEN
 150 %token IN_T
 151 %token INVALID
 152 %token KEY
 153 %token LYRICS
 154 %token MARK
 155 %token MEASURES
 156 %token MIDI
 157 %token MM_T
 158 %token MUSICAL_PITCH
 159 %token NAME
 160 %token NOTENAMES
 161 %token NOTES
 162 %token PAPER
 163 %token PARTIAL
 164 %token PENALTY
 165 %token PROPERTY
 166 %token PT_T
 167 %token RELATIVE
 168 %token REMOVE
 169 %token REPEAT
 170 %token ADDLYRICS
 171 %token SCM_T
 172 %token SCORE
 173 %token SCRIPT
 174 %token SKIP
 175 %token SPANREQUEST
 176 %token COMMANDSPANREQUEST
 177 %token TEMPO
 178 %token OUTPUTPROPERTY
 179 %token TIME_T
 180 %token TIMES
 181 %token TRANSLATOR
 182 %token TRANSPOSE
 183 %token TYPE
 184 %token CONTEXT
 185
 186 /* escaped */
 187 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER
 188 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET
 189
 190 %type <i>       exclamations questions
 191 %token <i>      DIGIT
 192 %token <pitch>  NOTENAME_PITCH
 193 %token <pitch>  TONICNAME_PITCH
 194 %token <pitch>  CHORDMODIFIER_PITCH
 195 %token <id>     DURATION_IDENTIFIER
 196 %token <id>     IDENTIFIER
 197 %token <id>     MUSIC_IDENTIFIER
 198 %token <id>     REQUEST_IDENTIFIER
 199 %token <id>     TRANS_IDENTIFIER
 200 %token <scm>    NUMBER_IDENTIFIER
 201
 202 %token <id>     SCORE_IDENTIFIER
 203 %token <id>     MUSIC_OUTPUT_DEF_IDENTIFIER
 204
 205 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 206 %token <scm>    DURATION RESTNAME
 207 %token <scm>    STRING
 208 %token <scm>    SCM_T
 209 %token <i>      UNSIGNED
 210 %token <real>   REAL
 211
 212 %type <outputdef> output_def
 213 %type <scope>   mudela_header mudela_header_body
 214 %type <request> open_request_parens close_request_parens open_request close_request
 215 %type <request> request_with_dir request_that_take_dir verbose_request
 216 %type <i>       sub_quotes sup_quotes
 217 %type <music>   simple_element  request_chord command_element Simple_music  Composite_music
 218 %type <music>   Alternative_music Repeated_music
 219 %type <i>       tremolo_type
 220 %type <i>       bare_int  bare_unsigned
 221 %type <i>       script_dir
 222
 223 %type <scm>     identifier_init
 224
 225 %type <duration> steno_duration optional_notemode_duration
 226 %type <duration> entered_notemode_duration explicit_duration
 227
 228 %type <reqvec>  pre_requests post_requests
 229 %type <request> gen_text_def
 230 %type <pitch>   steno_musical_pitch musical_pitch absolute_musical_pitch
 231 %type <pitch>   steno_tonic_pitch
 232
 233 %type <pitch_arr>       chord_additions chord_subtractions chord_notes chord_step
 234 %type <music>   chord
 235 %type <pitch>   chord_note chord_inversion chord_bass
 236 %type <duration>        duration_length
 237
 238 %type <scm>  embedded_scm scalar
 239 %type <music>   Music Sequential_music Simultaneous_music Music_sequence
 240 %type <music>   relative_music re_rhythmed_music
 241 %type <music>   property_def translator_change
 242 %type <music_list> Music_list
 243 %type <outputdef>  music_output_def_body
 244 %type <request> shorthand_command_req
 245 %type <request> post_request
 246 %type <request> command_req verbose_command_req
 247 %type <request> extender_req
 248 %type <request> hyphen_req
 249 %type <scm>     string bare_number number_expression
 250 %type <score>   score_block score_body
 251
 252 %type <trans>   translator_spec_block translator_spec_body
 253 %type <tempo>   tempo_request
 254 %type <scm> notenames_body notenames_block chordmodifiers_block
 255 %type <scm>     script_abbreviation
 256
 257
 258
 259 %left '-' '+'
 260 %left '*' '/'
 261 %left UNARY_MINUS
 262
 263 %%
 264
 265 mudela: /* empty */
 266         | mudela toplevel_expression {}
 267         | mudela assignment  { }
 268         | mudela error
 269         | mudela INVALID        {
 270                 THIS->error_level_i_  =1;
 271         }
 272         ;
 273
 274 toplevel_expression:
 275         notenames_block                 {
 276                 THIS->lexer_p_->pitchname_tab_ =  $1;
 277         }
 278         | chordmodifiers_block                  {
 279                 THIS->lexer_p_->chordmodifier_tab_  = $1;
 280         }
 281         | mudela_header {
 282                 delete header_global_p;
 283                 header_global_p = $1;
 284         }
 285         | score_block {
 286                 score_global_array.push ($1);
 287         }
 288         | output_def {
 289                 Identifier * id = new
 290                         Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER);
 291                 if (dynamic_cast<Paper_def*> ($1))
 292                         THIS->lexer_p_->set_identifier ("$defaultpaper", smobify (id));
 293                 else if (dynamic_cast<Midi_def*> ($1))
 294                         THIS->lexer_p_->set_identifier ("$defaultmidi", smobify (id));
 295         }
 296         | embedded_scm {
 297                 // junk value
 298         }
 299         ;
 300
 301 embedded_scm:
 302         SCM_T
 303         | SCM_IDENTIFIER
 304         ;
 305
 306
 307 chordmodifiers_block:
 308         CHORDMODIFIERS notenames_body   {  $$ = $2; }
 309         ;
 310
 311
 312 notenames_block:
 313         NOTENAMES notenames_body   {  $$ = $2; }
 314         ;
 315
 316
 317
 318 notenames_body:
 319         embedded_scm    {
 320           int i = scm_ilength ($1);
 321
 322           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
 323           for (SCM s = $1; s != SCM_EOL; s = gh_cdr (s)) {
 324                 SCM pt = gh_cdar (s);
 325                 if (scm_ilength (pt) != 3)
 326                         THIS->parser_error ("Need three args");
 327                 scm_hashq_set_x (tab, gh_caar(s), pt);
 328           }
 329
 330           $$ = tab;
 331         }
 332         ;
 333
 334 mudela_header_body:
 335         {
 336                 $$ = new Scope;
 337                 THIS->lexer_p_-> scope_l_arr_.push ($$);
 338         }
 339         | mudela_header_body assignment semicolon {
 340
 341         }
 342         ;
 343
 344 mudela_header:
 345         HEADER '{' mudela_header_body '}'       {
 346                 $$ = $3;
 347                 THIS->lexer_p_-> scope_l_arr_.pop ();
 348         }
 349         ;
 350
 351
 352 /*
 353         DECLARATIONS
 354 */
 355 assignment:
 356         STRING {
 357                 THIS->remember_spot ();
 358         }
 359         /* cont */ '=' identifier_init  {
 360             THIS->lexer_p_->set_identifier (ly_scm2string ($1), $4);
 361
 362                 Identifier * id =unsmob_identifier ($4);
 363                 Input spot = THIS->pop_spot ();
 364                 if (id) id->set_spot (spot);
 365         }
 366         ;
 367
 368
 369
 370 identifier_init:
 371         score_block {
 372                 $$ = smobify (new Score_identifier ($1, SCORE_IDENTIFIER));
 373         }
 374         | output_def {
 375                 $$ = smobify (new Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER));
 376         }
 377         | translator_spec_block {
 378                 $$ = smobify (new Translator_group_identifier ($1, TRANS_IDENTIFIER));
 379         }
 380         | Music  {
 381                 $$ = smobify (new Music_identifier ($1, MUSIC_IDENTIFIER));
 382         }
 383
 384         | post_request {
 385                 $$ = smobify (new Request_identifier ($1, REQUEST_IDENTIFIER));
 386         }
 387         | explicit_duration {
 388                 $$ = smobify (new Duration_identifier ($1, DURATION_IDENTIFIER));
 389         }
 390         | number_expression {
 391                 $$ = $1;
 392         }
 393         | string {
 394                 $$ = $1;
 395         }
 396         | embedded_scm  {
 397                 $$ = $1;
 398         }
 399         ;
 400
 401 translator_spec_block:
 402         TRANSLATOR '{' translator_spec_body '}'
 403                 {
 404                 $$ = $3;
 405         }
 406         ;
 407
 408 translator_spec_body:
 409         TRANS_IDENTIFIER        {
 410                 $$ = $1->access_content_Translator_group (true);
 411                 $$-> set_spot (THIS->here_input ());
 412         }
 413         | TYPE STRING semicolon {
 414                 Translator* t = get_translator_l (ly_scm2string ($2));
 415                 Translator_group * tg = dynamic_cast<Translator_group*> (t);
 416
 417                 if (!tg)
 418                         THIS->parser_error (_("Need a translator group for a context"));
 419
 420                 tg = dynamic_cast<Translator_group*> (t->clone ());
 421                 tg->set_spot (THIS->here_input ());
 422                 $$ = tg;
 423         }
 424         | translator_spec_body STRING '=' embedded_scm                  {
 425                 Translator_group* tg = dynamic_cast<Translator_group*> ($$);
 426                 tg->set_property (ly_scm2string ($2), $4);
 427         }
 428         | translator_spec_body STRING '=' identifier_init semicolon     {
 429                 SCM v = gh_int2scm (0);
 430                 if (gh_string_p ($4) || gh_number_p ($4))
 431                         v = $4;
 432                 else
 433                         THIS->parser_error (_("Wrong type for property value"));
 434
 435                 /* ugh*/
 436                 Translator_group* tg = dynamic_cast<Translator_group*> ($$);
 437
 438                 tg->set_property (ly_scm2string ($2), v);
 439         }
 440         | translator_spec_body NAME STRING semicolon {
 441                 $$->type_str_ = ly_scm2string ($3);
 442         }
 443         | translator_spec_body CONSISTS STRING semicolon {
 444                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
 445         }
 446         | translator_spec_body CONSISTSEND STRING semicolon {
 447                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
 448         }
 449         | translator_spec_body ACCEPTS STRING semicolon {
 450                 dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), true);
 451         }
 452         | translator_spec_body REMOVE STRING semicolon {
 453                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), false);
 454         }
 455         ;
 456
 457 /*
 458         SCORE
 459 */
 460 score_block:
 461         SCORE {
 462         }
 463         /*cont*/ '{' score_body '}'     {
 464                 $$ = $4;
 465                 if (!$$->def_p_arr_.size ())
 466                 {
 467                   Identifier *id =
 468                         unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
 469                   $$->add_output (id ? id->access_content_Music_output_def (true) : new Paper_def );
 470                 }
 471         }
 472         ;
 473
 474 score_body:
 475         Music   {
 476                 $$ = new Score;
 477                 $$->set_spot (THIS->here_input ());
 478                 $$->music_p_ = $1;
 479         }
 480         | SCORE_IDENTIFIER {
 481                 $$ = $1->access_content_Score (true);
 482         }
 483         | score_body mudela_header      {
 484                 $$->header_p_ = $2;
 485         }
 486         | score_body output_def {
 487                 $$->add_output ($2);
 488         }
 489         | score_body error {
 490
 491         }
 492         ;
 493
 494
 495 /*
 496         MIDI
 497 */
 498 output_def:
 499         music_output_def_body '}' {
 500                 $$ = $1;
 501                 THIS-> lexer_p_-> scope_l_arr_.pop();
 502         }
 503         ;
 504
 505 music_output_def_body:
 506         MIDI '{'    {
 507          Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultmidi"));
 508
 509
 510          Midi_def* p =0;
 511         if (id)
 512                 p = dynamic_cast<Midi_def*> (id->access_content_Music_output_def (true));
 513         else
 514                 p = new Midi_def;
 515
 516          $$ = p;
 517          THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 518         }
 519         | PAPER '{'     {
 520                   Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
 521                   Paper_def *p = 0;
 522                 if (id)
 523                         p = dynamic_cast<Paper_def*> (id->access_content_Music_output_def (true));
 524                 else
 525                         p = new Paper_def;
 526                 THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
 527                 $$ = p;
 528         }
 529         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 530                 Music_output_def *p = $3->access_content_Music_output_def (true);
 531                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 532                 $$ = p;
 533         }
 534         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
 535                 Music_output_def *p = $3->access_content_Music_output_def (true);
 536                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 537                 $$ = p;
 538         }
 539         | music_output_def_body assignment semicolon {
 540
 541         }
 542         | music_output_def_body translator_spec_block   {
 543                 $$-> assign_translator ($2);
 544         }
 545         | music_output_def_body tempo_request semicolon {
 546                 /*
 547                         junk this ? there already is tempo stuff in
 548                         music.
 549                 */
 550                 dynamic_cast<Midi_def*> ($$)->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
 551                 delete $2;
 552         }
 553         | music_output_def_body bare_int '=' FONT STRING                { // ugh, what a syntax
 554                 Lookup * l = new Lookup;
 555                 l->font_name_ = ly_scm2string ($5);
 556                 dynamic_cast<Paper_def*> ($$)->set_lookup ($2, l);
 557         }
 558         | music_output_def_body error {
 559
 560         }
 561         ;
 562
 563 tempo_request:
 564         TEMPO steno_duration '=' bare_unsigned  {
 565                 $$ = new Tempo_req;
 566                 $$->dur_ = *$2;
 567                 delete $2;
 568                 $$-> metronome_i_ = $4;
 569         }
 570         ;
 571
 572 Music_list: /* empty */ {
 573                 $$ = new Music_list;
 574                 $$->set_spot (THIS->here_input ());
 575         }
 576         | Music_list Music {
 577                 $$->add_music ($2);
 578         }
 579         | Music_list error {
 580         }
 581         ;
 582
 583
 584 Music:
 585         Simple_music
 586         | Composite_music
 587         ;
 588
 589 Alternative_music:
 590         /* empty */ {
 591                 $$ = 0;
 592         }
 593         | ALTERNATIVE Music_sequence {
 594                 $$ = $2;
 595                 $2->set_spot (THIS->here_input ());
 596         }
 597         ;
 598
 599
 600
 601
 602 Repeated_music:
 603         REPEAT STRING bare_unsigned Music Alternative_music
 604         {
 605                 Music_sequence* m = dynamic_cast <Music_sequence*> ($5);
 606                 if (m && $3 < m->length_i ())
 607                         $5->warning (_ ("More alternatives than repeats.  Junking excess alternatives."));
 608
 609                 Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
 610                 $$ = r;
 611                 r->type_ = ly_scm2string ($2);
 612                 r->fold_b_ = (r->type_ == "fold");
 613                 r->volta_fold_b_ =  (r->type_ == "volta");
 614                 r->set_spot ($4->spot  ());
 615         }
 616         ;
 617
 618 Music_sequence: '{' Music_list '}'      {
 619                 $$ = new Music_sequence ($2);
 620                 $$->set_spot ($2->spot ());
 621         }
 622         ;
 623
 624 Sequential_music:
 625         SEQUENTIAL '{' Music_list '}'           {
 626                 $$ = new Sequential_music ($3);
 627                 $$->set_spot ($3->spot ());
 628         }
 629         | '{' Music_list '}'            {
 630                 $$ = new Sequential_music ($2);
 631                 $$->set_spot ($2->spot ());
 632         }
 633         ;
 634
 635 Simultaneous_music:
 636         SIMULTANEOUS '{' Music_list '}'{
 637                 $$ = new Simultaneous_music ($3);
 638                 $$->set_spot ($3->spot ());
 639         }
 640         | '<' Music_list '>'    {
 641                 $$ = new Simultaneous_music ($2);
 642                 $$->set_spot ($2->spot ());
 643         }
 644         ;
 645
 646 Simple_music:
 647         request_chord           { $$ = $1; }
 648         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 649                 SCM pred = $2;
 650                 if (!gh_symbol_p ($3))
 651                 {
 652                         THIS->parser_error (_("Second argument must be a symbol"));
 653                 }
 654                 /*hould check # args */
 655                 if (!gh_procedure_p (pred))
 656                 {
 657                         THIS->parser_error (_("First argument must be a procedure taking 1 argument"));
 658                 }
 659
 660                 $$ = new Output_property (pred,$3, $5);
 661         }
 662         | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
 663         | property_def
 664         | translator_change
 665         | Simple_music '*' bare_unsigned '/' bare_unsigned      {
 666                 $$ = $1;
 667                 $$->compress (Moment($3, $5 ));
 668         }
 669         | Simple_music '*' bare_unsigned                 {
 670                 $$ = $1;
 671                 $$->compress (Moment ($3, 1));
 672         }
 673         ;
 674
 675
 676 Composite_music:
 677         CONTEXT STRING Music    {
 678                 Context_specced_music *csm =  new Context_specced_music ($3);
 679
 680                 csm->translator_type_str_ = ly_scm2string ($2);
 681                 csm->translator_id_str_ = "";
 682
 683
 684                 $$ = csm;
 685         }
 686         | AUTOCHANGE STRING Music       {
 687                 Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
 688
 689                 $$ = chm;
 690                 chm->set_spot ($3->spot ());
 691         }
 692         | GRACE Music {
 693                 $$ = new Grace_music ($2);
 694         }
 695         | CONTEXT STRING '=' STRING Music {
 696                 Context_specced_music *csm =  new Context_specced_music ($5);
 697
 698                 csm->translator_type_str_ = ly_scm2string ($2);
 699                 csm->translator_id_str_ = ly_scm2string ($4);
 700
 701                 $$ = csm;
 702         }
 703         | TIMES {
 704                 THIS->remember_spot ();
 705         }
 706         /* CONTINUED */
 707                 bare_unsigned '/' bare_unsigned Music
 708
 709         {
 710                 $$ = new Time_scaled_music ($3, $5, $6);
 711                 $$->set_spot (THIS->pop_spot ());
 712         }
 713         | Repeated_music                { $$ = $1; }
 714         | Simultaneous_music            { $$ = $1; }
 715         | Sequential_music              { $$ = $1; }
 716         | TRANSPOSE musical_pitch Music {
 717                 $$ = new Transposed_music ($3, *$2);
 718                 delete $2;
 719         }
 720         | TRANSPOSE steno_tonic_pitch Music {
 721                 $$ = new Transposed_music ($3, *$2);
 722                 delete $2;
 723         }
 724         | NOTES
 725                 { THIS->lexer_p_->push_note_state (); }
 726         Music
 727                 { $$ = $3;
 728                   THIS->lexer_p_->pop_state ();
 729                 }
 730         | CHORDS
 731                 { THIS->lexer_p_->push_chord_state (); }
 732         Music
 733                 {
 734                   $$ = $3;
 735                   THIS->lexer_p_->pop_state ();
 736         }
 737         | LYRICS
 738                 { THIS->lexer_p_->push_lyric_state (); }
 739         Music
 740                 {
 741                   $$ = $3;
 742                   THIS->lexer_p_->pop_state ();
 743         }
 744         | relative_music        { $$ = $1; }
 745         | re_rhythmed_music     { $$ = $1; }
 746         ;
 747
 748 relative_music:
 749         RELATIVE absolute_musical_pitch Music {
 750                 $$ = new Relative_octave_music ($3, *$2);
 751                 delete $2;
 752         }
 753         ;
 754
 755 re_rhythmed_music:
 756         ADDLYRICS Music Music {
 757                 Lyric_combine_music * l = new Lyric_combine_music ($2, $3);
 758                 $$ = l;
 759         }
 760         ;
 761
 762 translator_change:
 763         TRANSLATOR STRING '=' STRING  {
 764                 Change_translator * t = new Change_translator;
 765                 t-> change_to_type_str_ = ly_scm2string ($2);
 766                 t-> change_to_id_str_ = ly_scm2string ($4);
 767
 768                 $$ = t;
 769                 $$->set_spot (THIS->here_input ());
 770         }
 771         ;
 772
 773 property_def:
 774         PROPERTY STRING '.' STRING '='  scalar {
 775                 Translation_property *t = new Translation_property;
 776
 777                 t->var_str_ = ly_scm2string ($4);
 778                 t->value_ = $6;
 779
 780                 Context_specced_music *csm = new Context_specced_music (t);
 781                 $$ = csm;
 782                 $$->set_spot (THIS->here_input ());
 783
 784                 csm-> translator_type_str_ = ly_scm2string ($2);
 785         }
 786         ;
 787
 788 scalar:
 789         string          { $$ = $1; }
 790         | bare_int      { $$ = gh_int2scm ($1); }
 791         | embedded_scm  { $$ = $1; }
 792         ;
 793
 794
 795 request_chord:
 796         pre_requests simple_element post_requests       {
 797                 Music_sequence *l = dynamic_cast<Music_sequence*>($2);
 798                 if (l) {
 799                         for (int i=0; i < $1->size(); i++)
 800                                 l->add_music ($1->elem(i));
 801                         for (int i=0; i < $3->size(); i++)
 802                                 l->add_music ($3->elem(i));
 803                         }
 804                 else
 805                         programming_error ("Need Sequence to add music to");
 806                 $$ = $2;
 807
 808         }
 809         | command_element
 810         ;
 811
 812 command_element:
 813         command_req {
 814                 $$ = new Request_chord;
 815                 $$-> set_spot (THIS->here_input ());
 816                 $1-> set_spot (THIS->here_input ());
 817                 ((Simultaneous_music*)$$) ->add_music ($1);//ugh
 818         }
 819         | PARTIAL duration_length ';'   {
 820                 Translation_property * p = new Translation_property;
 821                 p->var_str_ = "measurePosition";
 822                 p->value_ =  (new Moment (-$2->length_mom ()))->smobify_self ();
 823                 delete $2;
 824                 Context_specced_music * sp = new Context_specced_music (p);
 825                 $$ =sp ;
 826                 sp-> translator_type_str_ = "Score";
 827         }
 828         ;
 829
 830 command_req:
 831         shorthand_command_req
 832         | verbose_command_req semicolon { $$ = $1; }
 833         ;
 834
 835 shorthand_command_req:
 836         extender_req {
 837                 $$ = $1;
 838         }
 839         | hyphen_req {
 840                 $$ = $1;
 841         }
 842         | '|'                           {
 843                 $$ = new Barcheck_req;
 844         }
 845         | '~'   {
 846                 $$ = new Tie_req;
 847         }
 848         | '['           {
 849                 Span_req*b= new Span_req;
 850                 b->span_dir_ = START;
 851                 b->span_type_str_ = "beam";
 852                 $$ =b;
 853         }
 854         | ']'           {
 855              Span_req*b= new Span_req;
 856              b->span_dir_ = STOP;
 857              b->span_type_str_ = "beam";
 858              $$ = b;
 859         }
 860         | BREATHE {
 861                 $$ = new Breathing_sign_req;
 862         }
 863         ;
 864
 865
 866 verbose_command_req:
 867
 868         BAR STRING                      {
 869                 $$ = new Bar_req (ly_scm2string ($2));
 870         }
 871         | COMMANDSPANREQUEST bare_int STRING {
 872                 Span_req * sp_p = new Span_req;
 873                 sp_p-> span_dir_  = Direction($2);
 874                 sp_p->span_type_str_ = ly_scm2string ($3);
 875                 sp_p->set_spot (THIS->here_input ());
 876                 $$ = sp_p;
 877         }
 878         | MARK  {
 879                 Mark_req * m = new Mark_req;
 880                 $$ = m;
 881         }
 882         | MARK STRING {
 883                 Mark_req *m = new Mark_req;
 884                 m->mark_label_ = $2;
 885                 $$ = m;
 886
 887         }
 888         | MARK bare_unsigned {
 889                 Mark_req *m = new Mark_req;
 890                 m->mark_label_ =  gh_int2scm ($2);
 891                 $$ = m;
 892         }
 893
 894         | TIME_T bare_unsigned '/' bare_unsigned        {
 895                 Time_signature_change_req *m = new Time_signature_change_req;
 896                 m->beats_i_ = $2;
 897                 m->one_beat_i_=$4;
 898                 $$ = m;
 899         }
 900         | PENALTY bare_int      {
 901                 Break_req * b = new Break_req;
 902                 b->penalty_f_ = $2 / 100.0;
 903                 b->set_spot (THIS->here_input ());
 904                 $$ = b;
 905         }
 906         | SKIP duration_length {
 907                 Skip_req * skip_p = new Skip_req;
 908                 skip_p->duration_ = *$2;
 909                 delete $2;
 910                 $$ = skip_p;
 911         }
 912         | tempo_request {
 913                 $$ = $1;
 914         }
 915         | CLEF STRING {
 916                 $$ = new Clef_change_req (ly_scm2string ($2));
 917
 918         }
 919         | KEY {
 920                 Key_change_req *key_p= new Key_change_req;
 921                 $$ = key_p;
 922         }
 923         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
 924                 Key_change_req *key_p= new Key_change_req;
 925
 926                 key_p->pitch_alist_ = $3;
 927                 ((Music* )key_p)->transpose (* $2);
 928                 $$ = key_p;
 929         }
 930         ;
 931
 932 post_requests:
 933         {
 934                 $$ = new Link_array<Request>;
 935         }
 936         | post_requests post_request {
 937                 $2->set_spot (THIS->here_input ());
 938                 $$->push ($2);
 939         }
 940         ;
 941
 942 post_request:
 943         verbose_request
 944         | request_with_dir
 945         | close_request
 946         ;
 947
 948
 949 request_that_take_dir:
 950         gen_text_def
 951         | verbose_request
 952         | script_abbreviation {
 953                 SCM s = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($1));
 954                 Articulation_req *a = new Articulation_req;
 955                 if (gh_string_p (s))
 956                         a->articulation_str_ = ly_scm2string (s);
 957                 else THIS->parser_error (_ ("Expecting string as script definition"));
 958                 $$ = a;
 959         }
 960         ;
 961
 962 request_with_dir:
 963         script_dir request_that_take_dir        {
 964                 if (Script_req * gs = dynamic_cast<Script_req*> ($2))
 965                         gs->dir_ = Direction ($1);
 966                 else if ($1)
 967                         $2->warning (_ ("Can't specify direction for this request"));
 968                 $$ = $2;
 969         }
 970         ;
 971
 972 verbose_request:
 973         REQUEST_IDENTIFIER      {
 974                 $$ = (Request*)$1->access_content_Request (true);
 975                 $$->set_spot (THIS->here_input ());
 976         }
 977         | TEXTSCRIPT STRING STRING      {
 978                 Text_script_req *ts_p = new Text_script_req;
 979                 ts_p-> text_str_ = ly_scm2string ($2);
 980                 ts_p-> style_str_ = ly_scm2string ($3);
 981                 ts_p->set_spot (THIS->here_input ());
 982
 983                 $$ = ts_p;
 984         }
 985         | SPANREQUEST bare_int STRING {
 986                 Span_req * sp_p = new Span_req;
 987                 sp_p->span_dir_  = Direction($2);
 988                 sp_p->span_type_str_ = ly_scm2string ($3);
 989                 sp_p->set_spot (THIS->here_input ());
 990                 $$ = sp_p;
 991         }
 992         | tremolo_type  {
 993                 Tremolo_req* a = new Tremolo_req;
 994                 a->set_spot (THIS->here_input ());
 995                 a->type_i_ = $1;
 996                 $$ = a;
 997         }
 998         | SCRIPT STRING         {
 999                 Articulation_req * a = new Articulation_req;
1000                 a->articulation_str_ = ly_scm2string ($2);
1001                 a->set_spot (THIS->here_input ());
1002                 $$ = a;
1003         }
1004         ;
1005
1006 sup_quotes:
1007         '\'' {
1008                 $$ = 1;
1009         }
1010         | sup_quotes '\'' {
1011                 $$ ++;
1012         }
1013         ;
1014
1015 sub_quotes:
1016         ',' {
1017                 $$ = 1;
1018         }
1019         | sub_quotes ',' {
1020                 $$ ++ ;
1021         }
1022         ;
1023
1024 steno_musical_pitch:
1025         NOTENAME_PITCH  {
1026                 $$ = $1;
1027         }
1028         | NOTENAME_PITCH sup_quotes     {
1029                 $$ = $1;
1030                 $$->octave_i_ +=  $2;
1031         }
1032         | NOTENAME_PITCH sub_quotes      {
1033                 $$ = $1;
1034                 $$->octave_i_ += - $2;
1035         }
1036         ;
1037
1038 steno_tonic_pitch:
1039         TONICNAME_PITCH {
1040                 $$ = $1;
1041         }
1042         | TONICNAME_PITCH sup_quotes    {
1043                 $$ = $1;
1044                 $$->octave_i_ +=  $2;
1045         }
1046         | TONICNAME_PITCH sub_quotes     {
1047                 $$ = $1;
1048                 $$->octave_i_ += - $2;
1049         }
1050         ;
1051
1052 musical_pitch:
1053         steno_musical_pitch {
1054                 $$ = $1;
1055         }
1056         | MUSICAL_PITCH embedded_scm {
1057                 int sz = scm_ilength ($2);
1058                 if (sz != 3) {
1059                         THIS->parser_error (_f ("Expecting %d arguments", 3));
1060                         $2 = gh_list (gh_int2scm (0), gh_int2scm (0), gh_int2scm (0), SCM_UNDEFINED);
1061                 }
1062                 $$ = new Musical_pitch ($2);
1063         }
1064         ;
1065
1066 explicit_duration:
1067         DURATION embedded_scm   {
1068                 $$ = new Duration;
1069                 if (scm_ilength ($2) == 2)
1070                         {
1071                         $$-> durlog_i_ = gh_scm2int (gh_car($2));
1072                         $$-> dots_i_ = gh_scm2int (gh_cadr($2));
1073                         }
1074                 else
1075                         THIS->parser_error (_("Must have 2 arguments for duration"));
1076         }
1077         ;
1078
1079 extender_req:
1080         EXTENDER {
1081                 if (!THIS->lexer_p_->lyric_state_b ())
1082                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1083                 $$ = new Extender_req;
1084         }
1085         ;
1086
1087 hyphen_req:
1088         HYPHEN {
1089                 if (!THIS->lexer_p_->lyric_state_b ())
1090                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1091                 $$ = new Hyphen_req;
1092         }
1093         ;
1094
1095 close_request:
1096         close_request_parens {
1097                 $$ = $1;
1098                 dynamic_cast<Span_req*> ($$)->span_dir_ = START;
1099         }
1100
1101 close_request_parens:
1102         '('     {
1103                 Span_req* s= new Span_req;
1104                 $$ = s;
1105                 s->span_type_str_ = "slur";
1106         }
1107         | E_SMALLER {
1108                 Span_req*s =new Span_req;
1109                 $$ = s;
1110                 s->span_type_str_ = "crescendo";
1111         }
1112         | E_BIGGER {
1113                 Span_req*s =new Span_req;
1114                 $$ = s;
1115                 s->span_type_str_ = "decrescendo";
1116         }
1117         ;
1118
1119
1120 open_request:
1121         open_request_parens {
1122                 $$ = $1;
1123                 dynamic_cast<Span_req*> ($$)->span_dir_ = STOP;
1124         }
1125         ;
1126
1127 open_request_parens:
1128         E_EXCLAMATION   {
1129                 Span_req *s =  new Span_req;
1130                 s->span_type_str_ = "crescendo";
1131                 $$ = s;
1132         }
1133         | ')'   {
1134                 Span_req* s= new Span_req;
1135                 $$ = s;
1136                 s->span_type_str_ = "slur";
1137         }
1138         ;
1139
1140 gen_text_def:
1141         string {
1142                 Text_script_req *t  = new Text_script_req;
1143                 $$ = t;
1144                 t->text_str_ = ly_scm2string ($1);
1145
1146                 $$->set_spot (THIS->here_input ());
1147         }
1148         | DIGIT {
1149                 Text_script_req* t  = new Text_script_req;
1150                 $$ = t;
1151                 t->text_str_ = to_str ($1);
1152                 t->style_str_ = "finger";
1153                 $$->set_spot (THIS->here_input ());
1154         }
1155         ;
1156
1157 script_abbreviation:
1158         '^'             {
1159                 $$ = gh_str02scm  ("hat");
1160         }
1161         | '+'           {
1162                 $$ = gh_str02scm("plus");
1163         }
1164         | '-'           {
1165                 $$ = gh_str02scm ("dash");
1166         }
1167         | '|'           {
1168                 $$ = gh_str02scm ("bar");
1169         }
1170         | '>'           {
1171                 $$ = gh_str02scm ("larger");
1172         }
1173         | '.'           {
1174                 $$ = gh_str02scm ("dot");
1175         }
1176         ;
1177
1178
1179 script_dir:
1180         '_'     { $$ = DOWN; }
1181         | '^'   { $$ = UP; }
1182         | '-'   { $$ = CENTER; }
1183         ;
1184
1185 pre_requests:
1186         {
1187                 $$ = new Link_array<Request>;
1188         }
1189         | pre_requests open_request {
1190                 $$->push ($2);
1191         }
1192         ;
1193
1194 absolute_musical_pitch:
1195         steno_musical_pitch     {
1196                 $$ = $1;
1197         }
1198         ;
1199
1200 duration_length:
1201         steno_duration {
1202                 $$ = $1;
1203         }
1204         | duration_length '*' bare_unsigned {
1205                 $$->tuplet_iso_i_ *= $3;
1206         }
1207         | duration_length '/' bare_unsigned {
1208                 $$->tuplet_type_i_ *= $3;
1209         }
1210         ;
1211
1212 entered_notemode_duration:
1213         steno_duration  {
1214                 THIS->set_last_duration ($1);
1215         }
1216         ;
1217
1218 optional_notemode_duration:
1219         {
1220                 $$ = new Duration (THIS->default_duration_);
1221         }
1222         | entered_notemode_duration {
1223                 $$ = $1;
1224         }
1225         ;
1226
1227 steno_duration:
1228         bare_unsigned           {
1229                 $$ = new Duration;
1230                 if (!is_duration_b ($1))
1231                         THIS->parser_error (_f ("not a duration: %d", $1));
1232                 else {
1233                         $$->durlog_i_ = intlog2 ($1);
1234                      }
1235         }
1236         | DURATION_IDENTIFIER   {
1237                 $$ = $1->access_content_Duration (true);
1238         }
1239         | steno_duration '.'    {
1240                 $$->dots_i_ ++;
1241         }
1242         ;
1243
1244
1245 tremolo_type:
1246         ':'     {
1247                 $$ =0;
1248         }
1249         | ':' bare_unsigned {
1250                 if (!is_duration_b ($2))
1251                         THIS->parser_error (_f ("not a duration: %d", $2));
1252                 $$ = $2;
1253         }
1254         ;
1255
1256
1257 simple_element:
1258         musical_pitch exclamations questions optional_notemode_duration {
1259                 if (!THIS->lexer_p_->note_state_b ())
1260                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1261
1262
1263                 Note_req *n = new Note_req;
1264
1265                 n->pitch_ = *$1;
1266                 n->duration_ = *$4;
1267
1268                 n->cautionary_b_ = $3 % 2;
1269                 n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
1270
1271                 Simultaneous_music*v = new Request_chord;
1272                 v->set_spot ($1->spot ());
1273                 n->set_spot ($1->spot ());
1274
1275                 v->add_music (n);
1276
1277                 $$ = v;
1278
1279                 delete $1;
1280                 delete $4;
1281         }
1282         | RESTNAME optional_notemode_duration           {
1283                   Simultaneous_music* velt_p = new Request_chord;
1284                   velt_p->set_spot (THIS->here_input());
1285
1286                   if (ly_scm2string ($1) =="s")
1287                     { /* Space */
1288                       Skip_req * skip_p = new Skip_req;
1289                       skip_p->duration_ = *$2;
1290
1291                       skip_p->set_spot (THIS->here_input());
1292                       velt_p->add_music (skip_p);
1293                     }
1294                   else
1295                     {
1296                       Rest_req * rest_req_p = new Rest_req;
1297                       rest_req_p->duration_ = *$2;
1298                       rest_req_p->set_spot (THIS->here_input());
1299
1300                       velt_p->add_music (rest_req_p);
1301                     }
1302
1303                   delete $2;
1304                   $$ = velt_p;
1305         }
1306         | MEASURES optional_notemode_duration   {
1307                 Skip_req * sk = new Skip_req;
1308                 sk->duration_ = *$2;
1309                 Music_list * ms = new Music_list;
1310                 Request_chord * rqc1 = new Request_chord;
1311                 Request_chord * rqc2 = new Request_chord;
1312                 Request_chord * rqc3 = new Request_chord;
1313
1314                 Span_req *sp1 = new Span_req;
1315                 Span_req *sp2 = new Span_req;
1316                 sp1-> span_dir_ = START;
1317                 sp2-> span_dir_ = STOP;
1318                 sp1->span_type_str_ = sp2->span_type_str_ = "rest";
1319                 rqc1->add_music (sp1);
1320                 rqc2->add_music (sk);
1321                 rqc3->add_music (sp2);
1322
1323                 ms->add_music (rqc1);
1324                 ms->add_music (rqc2);
1325                 ms->add_music (rqc3);
1326
1327                 $$ = new Sequential_music (ms);
1328         }
1329         | STRING optional_notemode_duration     {
1330                 if (!THIS->lexer_p_->lyric_state_b ())
1331                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1332                 Simultaneous_music* velt_p = new Request_chord;
1333
1334                 Lyric_req* lreq_p = new Lyric_req;
1335                 lreq_p ->text_str_ = ly_scm2string ($1);
1336                 lreq_p->duration_ = *$2;
1337                 lreq_p->set_spot (THIS->here_input());
1338
1339                 velt_p->add_music (lreq_p);
1340
1341                 delete  $2;
1342                 $$= velt_p;
1343
1344         }
1345         | chord {
1346                 if (!THIS->lexer_p_->chord_state_b ())
1347                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1348                 $$ = $1;
1349         }
1350         ;
1351
1352
1353 chord:
1354         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1355                 $$ = THIS->get_chord (*$1, $3, $4, $5, $6, *$2);
1356         };
1357
1358 chord_additions:
1359         {
1360                 $$ = new Array<Musical_pitch>;
1361         }
1362         | CHORD_COLON chord_notes {
1363                 $$ = $2;
1364         }
1365         ;
1366
1367 chord_notes:
1368         chord_step {
1369                 $$ = $1
1370         }
1371         | chord_notes '.' chord_step {
1372                 $$ = $1;
1373                 $$->concat (*$3);
1374         }
1375         ;
1376
1377 chord_subtractions:
1378         {
1379                 $$ = new Array<Musical_pitch>;
1380         }
1381         | CHORD_CARET chord_notes {
1382                 $$ = $2;
1383         }
1384         ;
1385
1386
1387 chord_inversion:
1388         {
1389                 $$ = 0;
1390         }
1391         | '/' steno_tonic_pitch {
1392                 $$ = $2;
1393                 $$->set_spot (THIS->here_input ());
1394         }
1395         ;
1396
1397 chord_bass:
1398         {
1399                 $$ = 0;
1400         }
1401         | CHORD_BASS steno_tonic_pitch {
1402                 $$ = $2;
1403                 $$->set_spot (THIS->here_input ());
1404         }
1405         ;
1406
1407 chord_step:
1408         chord_note {
1409                 $$ = new Array<Musical_pitch>;
1410                 $$->push (*$1);
1411         }
1412         | CHORDMODIFIER_PITCH {
1413                 $$ = new Array<Musical_pitch>;
1414                 $$->push (*$1);
1415         }
1416         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
1417                 $$ = new Array<Musical_pitch>;
1418                 $$->push (*$1);
1419                 $$->push (*$2);
1420         }
1421         ;
1422
1423 chord_note:
1424         bare_unsigned {
1425                 $$ = new Musical_pitch;
1426                 $$->notename_i_ = ($1 - 1) % 7;
1427                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1428                 $$->accidental_i_ = 0;
1429         }
1430         | bare_unsigned '+' {
1431                 $$ = new Musical_pitch;
1432                 $$->notename_i_ = ($1 - 1) % 7;
1433                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1434                 $$->accidental_i_ = 1;
1435         }
1436         | bare_unsigned CHORD_MINUS {
1437                 $$ = new Musical_pitch;
1438                 $$->notename_i_ = ($1 - 1) % 7;
1439                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1440                 $$->accidental_i_ = -1;
1441         }
1442         ;
1443
1444 /*
1445         UTILITIES
1446  */
1447 number_expression:
1448         bare_number {
1449                 $$ = $1;
1450         }
1451         | '-'  number_expression %prec UNARY_MINUS {
1452                 $$ = scm_difference ($2, SCM_UNDEFINED);
1453         }
1454         | number_expression '*' number_expression {
1455                 $$ = scm_product ($1, $3);
1456         }
1457         | number_expression '/' number_expression {
1458                 $$ = scm_divide ($1, $3);
1459         }
1460         | number_expression '+' number_expression {
1461                 $$ = scm_sum ($1, $3);
1462         }
1463         | number_expression '-' number_expression {
1464                 $$ = scm_difference ($1, $3);
1465         }
1466         | '(' number_expression ')'     {
1467                 $$ = $2;
1468         }
1469         ;
1470
1471 bare_number:
1472         UNSIGNED        {
1473                 $$ = gh_int2scm ($1);
1474         }
1475         | DIGIT         {
1476                 $$ = gh_int2scm ($1);
1477         }
1478         | REAL          {
1479                 $$ = gh_double2scm ($1);
1480         }
1481         | NUMBER_IDENTIFIER             {
1482                 $$ = $1;
1483         }
1484         | REAL CM_T     {
1485                 $$ = gh_double2scm ($1 CM);
1486         }
1487         | REAL PT_T     {
1488                 $$ = gh_double2scm ($1 PT);
1489         }
1490         | REAL IN_T     {
1491                 $$ = gh_double2scm ($1 INCH);
1492         }
1493         | REAL MM_T     {
1494                 $$ = gh_double2scm ($1 MM);
1495         }
1496         | REAL CHAR_T   {
1497                 $$ = gh_double2scm ($1 CHAR);
1498         }
1499         ;
1500
1501
1502 bare_unsigned:
1503         bare_number {
1504                 if (scm_integer_p ($1) == SCM_BOOL_T) {
1505                         $$ = gh_scm2int ($1);
1506
1507                 } else {
1508                         THIS->parser_error (_("need integer number arg"));
1509                         $$ = 0;
1510                 }
1511                 if ($$ < 0) {
1512                         THIS->parser_error (_("Must be positive integer"));
1513                         $$ = -$$;
1514                         }
1515
1516         }
1517         ;
1518 bare_int:
1519         bare_number {
1520                 if (scm_integer_p ($1) == SCM_BOOL_T)
1521                 {
1522                         int k = gh_scm2int ($1);
1523                         $$ = k;
1524                 } else
1525                 {
1526                         THIS->parser_error (_("need integer number arg"));
1527                         $$ = 0;
1528                 }
1529         }
1530         | '-' bare_int {
1531                 $$ = -$2;
1532         }
1533         ;
1534
1535
1536 string:
1537         STRING          {
1538                 $$ = $1;
1539         }
1540         | STRING_IDENTIFIER     {
1541                 $$ = $1;
1542         }
1543         | string '+' string {
1544                 $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
1545         }
1546         ;
1547
1548
1549 exclamations:
1550                 { $$ = 0; }
1551         | exclamations '!'      { $$ ++; }
1552         ;
1553
1554 questions:
1555                 { $$ = 0; }
1556         | questions '?' { $$ ++; }
1557         ;
1558
1559
1560 semicolon:
1561         ';'
1562         ;
1563
1564 %%
1565
1566 void
1567 My_lily_parser::set_yydebug (bool b)
1568 {
1569 #ifdef YYDEBUG
1570         yydebug = b;
1571 #endif
1572 }
1573 void
1574 My_lily_parser::do_yyparse ()
1575 {
1576         yyparse ((void*)this);
1577 }
1578
1579