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 "translator-def.hh"
  14 #include "lily-guile.hh"
  15 #include "translation-property.hh"
  16 #include "lookup.hh"
  17 #include "misc.hh"
  18 #include "my-lily-lexer.hh"
  19 #include "paper-def.hh"
  20 #include "midi-def.hh"
  21 #include "main.hh"
  22 #include "file-path.hh"
  23 #include "debug.hh"
  24 #include "dimensions.hh"
  25 #include "identifier.hh"
  26 #include "command-request.hh"
  27 #include "musical-request.hh"
  28 #include "my-lily-parser.hh"
  29 #include "context-specced-music.hh"
  30 #include "score.hh"
  31 #include "music-list.hh"
  32 #include "change-translator.hh"
  33 #include "file-results.hh"
  34 #include "input.hh"
  35 #include "scope.hh"
  36 #include "relative-music.hh"
  37 #include "lyric-combine-music.hh"
  38 #include "transposed-music.hh"
  39 #include "time-scaled-music.hh"
  40 #include "repeated-music.hh"
  41 #include "mudela-version.hh"
  42 #include "grace-music.hh"
  43 #include "auto-change-music.hh"
  44 #include "part-combine-music.hh"
  45 #include "output-property.hh"
  46 #include "chord.hh"
  47
  48 bool
  49 is_duration_b (int t)
  50 {
  51   return t && t == 1 << intlog2(t);
  52 }
  53
  54
  55 // mmm JUNKME ?
  56 Mudela_version oldest_version ("1.3.59");
  57
  58 void
  59 print_mudela_versions (ostream &os)
  60 {
  61   os << _f ("Oldest supported input version: %s", oldest_version.str ())
  62     << endl;
  63 }
  64
  65
  66 // needed for bison.simple's malloc() and free()
  67 #include <malloc.h>
  68
  69 #ifndef NDEBUG
  70 #define YYDEBUG 1
  71 #endif
  72
  73 #define YYERROR_VERBOSE 1
  74
  75 #define YYPARSE_PARAM my_lily_parser_l
  76 #define YYLEX_PARAM my_lily_parser_l
  77 #define THIS ((My_lily_parser *) my_lily_parser_l)
  78
  79 #define yyerror THIS->parser_error
  80 #define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
  81
  82 %}
  83
  84
  85 %union {
  86     Array<Musical_pitch> *pitch_arr;
  87     Link_array<Request> *reqvec;
  88     Duration *duration;
  89     Identifier *id;
  90     String * string;
  91     Music *music;
  92     Score *score;
  93     Scope *scope;
  94
  95     Musical_req* musreq;
  96     Music_output_def * outputdef;
  97     Musical_pitch * pitch;
  98     Midi_def* midi;
  99     Real real;
 100     Request * request;
 101
 102     /* We use SCMs to do strings, because it saves us the trouble of
 103 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 104 of the parse stack onto the heap. */
 105
 106     SCM scm;
 107
 108     Tempo_req *tempo;
 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 ARPEGGIO
 131 %token TEXTSCRIPT
 132 %token ACCEPTS
 133 %token ALTERNATIVE
 134 %token BAR
 135 %token BREATHE
 136 %token CHORDMODIFIERS
 137 %token CHORDS
 138 %token CHAR_T
 139 %token CLEF
 140 %token CM_T
 141 %token CONSISTS
 142 %token SEQUENTIAL
 143 %token SIMULTANEOUS
 144 %token CONSISTSEND
 145 %token DENIES
 146 %token DURATION
 147 %token EXTENDER
 148 %token FONT
 149 %token GRACE
 150 %token HEADER
 151 %token HYPHEN
 152 %token IN_T
 153 %token INVALID
 154 %token KEY
 155 %token LYRICS
 156 %token MARK
 157 %token MEASURES
 158 %token MIDI
 159 %token MM_T
 160 %token MUSICAL_PITCH
 161 %token NAME
 162 %token NOTENAMES
 163 %token NOTES
 164 %token PAPER
 165 %token PARTIAL
 166 %token PENALTY
 167 %token PROPERTY
 168 %token PUSH POP
 169 %token PT_T
 170 %token RELATIVE
 171 %token REMOVE
 172 %token REPEAT
 173 %token ADDLYRICS
 174 %token PARTCOMBINE
 175 %token SCM_T
 176 %token SCORE
 177 %token SCRIPT
 178 %token SKIP
 179 %token SPANREQUEST
 180 %token COMMANDSPANREQUEST
 181 %token TEMPO
 182 %token OUTPUTPROPERTY
 183 %token TIME_T
 184 %token TIMES
 185 %token TRANSLATOR
 186 %token TRANSPOSE
 187 %token TYPE
 188 %token CONTEXT
 189
 190 /* escaped */
 191 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER
 192 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET
 193
 194 %type <i>       exclamations questions
 195 %token <i>      DIGIT
 196 %token <pitch>  NOTENAME_PITCH
 197 %token <pitch>  TONICNAME_PITCH
 198 %token <pitch>  CHORDMODIFIER_PITCH
 199 %token <id>     DURATION_IDENTIFIER
 200 %token <id>     IDENTIFIER
 201
 202
 203 %token <id>     SCORE_IDENTIFIER
 204 %token <id>     MUSIC_OUTPUT_DEF_IDENTIFIER
 205
 206 %token <scm>    NUMBER_IDENTIFIER
 207 %token <scm>    REQUEST_IDENTIFIER
 208 %token <scm>    MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
 209 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 210 %token <scm>    DURATION RESTNAME
 211 %token <scm>    STRING
 212 %token <scm>    SCM_T
 213 %token <i>      UNSIGNED
 214 %token <real>   REAL
 215
 216 %type <outputdef> output_def
 217 %type <scope>   mudela_header mudela_header_body
 218 %type <request> open_request_parens close_request_parens open_request close_request
 219 %type <request> request_with_dir request_that_take_dir verbose_request
 220 %type <i>       sub_quotes sup_quotes
 221 %type <music>   simple_element  request_chord command_element Simple_music  Composite_music
 222 %type <music>   Alternative_music Repeated_music
 223 %type <i>       tremolo_type
 224 %type <i>       bare_int  bare_unsigned
 225 %type <i>       script_dir
 226
 227 %type <scm>     identifier_init
 228
 229 %type <duration> steno_duration optional_notemode_duration
 230 %type <duration> entered_notemode_duration explicit_duration
 231
 232 %type <reqvec>  pre_requests post_requests
 233 %type <request> gen_text_def
 234 %type <pitch>   steno_musical_pitch musical_pitch absolute_musical_pitch
 235 %type <pitch>   steno_tonic_pitch
 236
 237 %type <pitch_arr>       chord_additions chord_subtractions chord_notes chord_step
 238 %type <music>   chord
 239 %type <pitch>   chord_note chord_inversion chord_bass
 240 %type <duration>        duration_length
 241
 242 %type <scm>  embedded_scm scalar
 243 %type <music>   Music Sequential_music Simultaneous_music Music_sequence
 244 %type <music>   relative_music re_rhythmed_music part_combined_music
 245 %type <music>   property_def translator_change
 246 %type <scm> Music_list
 247 %type <outputdef>  music_output_def_body
 248 %type <request> shorthand_command_req
 249 %type <request> post_request
 250 %type <request> command_req verbose_command_req
 251 %type <request> extender_req
 252 %type <request> hyphen_req
 253 %type <scm>     string bare_number number_expression
 254 %type <score>   score_block score_body
 255
 256 %type <scm>     translator_spec_block translator_spec_body
 257 %type <tempo>   tempo_request
 258 %type <scm> notenames_body notenames_block chordmodifiers_block
 259 %type <scm>     script_abbreviation
 260
 261
 262
 263 %left '-' '+'
 264 %left '*' '/'
 265 %left UNARY_MINUS
 266
 267 %%
 268
 269 mudela: /* empty */
 270         | mudela toplevel_expression {}
 271         | mudela assignment  { }
 272         | mudela error {
 273                 THIS->error_level_i_  = 1;
 274                 //THIS->parser_error (_ ("ly invalid"));
 275         }
 276         | mudela INVALID        {
 277                 THIS->error_level_i_  = 1;
 278                 //THIS->parser_error (_ ("ly invalid"));
 279         }
 280         ;
 281
 282 toplevel_expression:
 283         notenames_block                 {
 284                 THIS->lexer_p_->pitchname_tab_ =  $1;
 285         }
 286         | chordmodifiers_block                  {
 287                 THIS->lexer_p_->chordmodifier_tab_  = $1;
 288         }
 289         | mudela_header {
 290                 delete header_global_p;
 291                 header_global_p = $1;
 292         }
 293         | score_block {
 294                 score_global_array.push ($1);
 295         }
 296         | output_def {
 297                 Identifier * id = new
 298                         Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER);
 299                 if (dynamic_cast<Paper_def*> ($1))
 300                         THIS->lexer_p_->set_identifier ("$defaultpaper", id->self_scm ());
 301                 else if (dynamic_cast<Midi_def*> ($1))
 302                         THIS->lexer_p_->set_identifier ("$defaultmidi", id->self_scm ());
 303         }
 304         | embedded_scm {
 305                 // junk value
 306         }
 307         ;
 308
 309 embedded_scm:
 310         SCM_T
 311         | SCM_IDENTIFIER
 312         ;
 313
 314
 315 chordmodifiers_block:
 316         CHORDMODIFIERS notenames_body   {  $$ = $2; }
 317         ;
 318
 319
 320 notenames_block:
 321         NOTENAMES notenames_body   {  $$ = $2; }
 322         ;
 323
 324
 325
 326 notenames_body:
 327         embedded_scm    {
 328           int i = scm_ilength ($1);
 329
 330           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
 331           for (SCM s = $1; s != SCM_EOL; s = gh_cdr (s)) {
 332                 SCM pt = gh_cdar (s);
 333                 if (scm_ilength (pt) != 3)
 334                         THIS->parser_error ("Need three args");
 335                 scm_hashq_set_x (tab, gh_caar(s), pt);
 336           }
 337
 338           $$ = tab;
 339         }
 340         ;
 341
 342 mudela_header_body:
 343         {
 344                 $$ = new Scope;
 345                 THIS->lexer_p_-> scope_l_arr_.push ($$);
 346         }
 347         | mudela_header_body assignment semicolon {
 348
 349         }
 350         ;
 351
 352 mudela_header:
 353         HEADER '{' mudela_header_body '}'       {
 354                 $$ = $3;
 355                 THIS->lexer_p_-> scope_l_arr_.pop ();
 356         }
 357         ;
 358
 359
 360 /*
 361         DECLARATIONS
 362 */
 363 assignment:
 364         STRING {
 365                 THIS->remember_spot ();
 366         }
 367         /* cont */ '=' identifier_init  {
 368                 THIS->lexer_p_->set_identifier (ly_scm2string ($1), $4);
 369
 370 /*
 371  TODO: devise standard for protection in parser.
 372
 373   The parser stack lives on the C-stack, which means that
 374 all objects can be unprotected as soon as they're here.
 375
 376 */
 377                 Identifier * id =unsmob_identifier ($4);
 378                 Input spot = THIS->pop_spot ();
 379                 if (id) id->set_spot (spot);
 380         }
 381         ;
 382
 383
 384
 385 identifier_init:
 386         score_block {
 387                 $$ = (new Score_identifier ($1, SCORE_IDENTIFIER))->self_scm();
 388         }
 389         | output_def {
 390                 $$ = (new Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER))->self_scm();
 391         }
 392         | translator_spec_block {
 393                 $$ = $1;
 394         }
 395         | Music  {
 396                 $$ = $1->self_scm ();
 397                 scm_unprotect_object ($$);
 398         }
 399         | post_request {
 400                 $$ = $1->self_scm ();
 401                 scm_unprotect_object ($$);
 402         }
 403         | explicit_duration {
 404                 $$ = (new Duration_identifier ($1, DURATION_IDENTIFIER))->self_scm ();
 405         }
 406         | number_expression {
 407                 $$ = $1;
 408         }
 409         | string {
 410                 $$ = $1;
 411         }
 412         | embedded_scm  {
 413                 $$ = $1;
 414         }
 415         ;
 416
 417 translator_spec_block:
 418         TRANSLATOR '{' translator_spec_body '}'
 419                 {
 420                 $$ = $3;
 421         }
 422         ;
 423
 424 translator_spec_body:
 425         TRANSLATOR_IDENTIFIER   {
 426                 $$ = unsmob_translator_def ($1)->clone_scm ();
 427                 unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
 428         }
 429         | TYPE STRING semicolon {
 430                 $$ = Translator_def::make_scm ();
 431                 Translator_def*td =  unsmob_translator_def ($$);
 432                 td->translator_group_type_ = $2;
 433                 td->set_spot (THIS->here_input ());
 434         }
 435         | translator_spec_body STRING '=' embedded_scm                  {
 436                 unsmob_translator_def ($$)->add_property_assign ($2, $4);
 437         }
 438         | translator_spec_body STRING PUSH embedded_scm '=' embedded_scm {
 439                 unsmob_translator_def ($$)
 440                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 441         }
 442         | translator_spec_body STRING POP embedded_scm  {
 443           unsmob_translator_def($$)->add_pop_property (
 444                 scm_string_to_symbol ($2), $4);
 445         }
 446         | translator_spec_body STRING '=' identifier_init semicolon     {
 447                 SCM v = gh_int2scm (0);
 448                 if (gh_string_p ($4) || gh_number_p ($4) || gh_boolean_p ($4))
 449                         v = $4;
 450                 else
 451                         THIS->parser_error (_("Wrong type for property value"));
 452
 453                 /* ugh*/
 454                 unsmob_translator_def($$)->add_property_assign ($2, v);
 455         }
 456         | translator_spec_body NAME STRING semicolon {
 457                 unsmob_translator_def ($$)->type_name_ = $3;
 458         }
 459         | translator_spec_body CONSISTS STRING semicolon {
 460                 unsmob_translator_def ($$)->add_element ($3);
 461         }
 462         | translator_spec_body CONSISTSEND STRING semicolon {
 463                 unsmob_translator_def ($$)->add_last_element ( $3);
 464         }
 465         | translator_spec_body ACCEPTS STRING semicolon {
 466                 unsmob_translator_def ($$)->set_acceptor ($3,true);
 467         }
 468         | translator_spec_body DENIES STRING semicolon {
 469                 unsmob_translator_def ($$)->set_acceptor ($3,false);
 470         }
 471         | translator_spec_body REMOVE STRING semicolon {
 472                 unsmob_translator_def ($$)->remove_element ($3);
 473         }
 474         ;
 475
 476 /*
 477         SCORE
 478 */
 479 score_block:
 480         SCORE {
 481                 THIS->remember_spot ();
 482         }
 483         /*cont*/ '{' score_body '}'     {
 484                 THIS->pop_spot ();
 485                 $$ = $4;
 486                 if (!$$->def_p_arr_.size ())
 487                 {
 488                   Identifier *id =
 489                         unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
 490                   $$->add_output (id ? id->access_content_Music_output_def (true) : new Paper_def );
 491                 }
 492         }
 493 /*
 494         | SCORE '{' score_body error {
 495                 $$ = $3
 496                 $$->set_spot (THIS->here_input ());
 497                 // THIS->here_input ().error ("SCORE INVALID");
 498                 $$->error ("SCORE INVALID");
 499                 THIS->parser_error (_f ("SCORE ERROR"));
 500         }
 501 */
 502         ;
 503
 504 score_body:
 505         Music   {
 506                 $$ = new Score;
 507
 508                 $$->set_spot (THIS->here_input ());
 509                 SCM m = $1->self_scm ();
 510                 scm_unprotect_object (m);
 511                 $$->music_ = m;
 512         }
 513         | SCORE_IDENTIFIER {
 514                 $$ = $1->access_content_Score (true);
 515         }
 516         | score_body mudela_header      {
 517                 $$->header_p_ = $2;
 518         }
 519         | score_body output_def {
 520                 $$->add_output ($2);
 521         }
 522         | score_body error {
 523
 524         }
 525         ;
 526
 527
 528 /*
 529         MIDI
 530 */
 531 output_def:
 532         music_output_def_body '}' {
 533                 $$ = $1;
 534                 THIS-> lexer_p_-> scope_l_arr_.pop();
 535         }
 536         ;
 537
 538 music_output_def_body:
 539         MIDI '{'    {
 540          Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultmidi"));
 541
 542
 543          Midi_def* p =0;
 544         if (id)
 545                 p = dynamic_cast<Midi_def*> (id->access_content_Music_output_def (true));
 546         else
 547                 p = new Midi_def;
 548
 549          $$ = p;
 550          THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 551         }
 552         | PAPER '{'     {
 553                   Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
 554                   Paper_def *p = 0;
 555                 if (id)
 556                         p = dynamic_cast<Paper_def*> (id->access_content_Music_output_def (true));
 557                 else
 558                         p = new Paper_def;
 559                 THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
 560                 $$ = p;
 561         }
 562         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 563                 Music_output_def *p = $3->access_content_Music_output_def (true);
 564                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 565                 $$ = p;
 566         }
 567         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
 568                 Music_output_def *p = $3->access_content_Music_output_def (true);
 569                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
 570                 $$ = p;
 571         }
 572         | music_output_def_body assignment semicolon {
 573
 574         }
 575         | music_output_def_body translator_spec_block   {
 576                 $$->assign_translator ($2);
 577         }
 578         | music_output_def_body tempo_request semicolon {
 579                 /*
 580                         junk this ? there already is tempo stuff in
 581                         music.
 582                 */
 583                 dynamic_cast<Midi_def*> ($$)->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
 584         }
 585         | music_output_def_body bare_int '=' FONT STRING                { // ugh, what a syntax
 586                 SCM sl = Lookup::make_lookup();
 587                 Lookup * l =unsmob_lookup (sl);
 588                 l->font_name_ = ly_scm2string ($5);
 589                 dynamic_cast<Paper_def*> ($$)->set_lookup ($2, sl);
 590         }
 591         | music_output_def_body error {
 592
 593         }
 594         ;
 595
 596 tempo_request:
 597         TEMPO steno_duration '=' bare_unsigned  {
 598                 $$ = new Tempo_req;
 599                 $$->dur_ = *$2;
 600                 delete $2;
 601                 $$-> metronome_i_ = $4;
 602         }
 603         ;
 604
 605 Music_list: /* empty */ {
 606                 $$ = gh_cons (SCM_EOL, SCM_EOL);
 607         }
 608         | Music_list Music {
 609                 SCM s = $$;
 610                 SCM c = gh_cons ($2->self_scm (), SCM_EOL);
 611                 scm_unprotect_object ($2->self_scm ()); /* UGH */
 612
 613
 614                 if (gh_pair_p (gh_cdr (s)))
 615                         gh_set_cdr_x (gh_cdr (s), c); /* append */
 616                 else
 617                         gh_set_car_x (s, c); /* set first cons */
 618                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 619         }
 620         | Music_list error {
 621         }
 622         ;
 623
 624
 625 Music:
 626         Simple_music
 627         | Composite_music
 628         ;
 629
 630 Alternative_music:
 631         /* empty */ {
 632                 $$ = 0;
 633         }
 634         | ALTERNATIVE Music_sequence {
 635                 $$ = $2;
 636                 $2->set_spot (THIS->here_input ());
 637         }
 638         ;
 639
 640
 641
 642
 643 Repeated_music:
 644         REPEAT STRING bare_unsigned Music Alternative_music
 645         {
 646                 Music_sequence* m = dynamic_cast <Music_sequence*> ($5);
 647                 if (m && $3 < m->length_i ())
 648                         $5->origin ()->warning (_ ("More alternatives than repeats.  Junking excess alternatives."));
 649
 650                 Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
 651                 $$ = r;
 652                 r->type_ = ly_scm2string ($2);
 653                 r->fold_b_ = (r->type_ == "fold");
 654                 r->volta_fold_b_ =  (r->type_ == "volta");
 655                 r->set_spot (*$4->origin ());
 656         }
 657         ;
 658
 659 Music_sequence: '{' Music_list '}'      {
 660                 $$ = new Music_sequence (gh_car ($2));
 661         }
 662         ;
 663
 664 Sequential_music:
 665         SEQUENTIAL '{' Music_list '}'           {
 666                 $$ = new Sequential_music (gh_car ($3));
 667         }
 668         | '{' Music_list '}'            {
 669                 $$ = new Sequential_music (gh_car ($2));
 670         }
 671         ;
 672
 673 Simultaneous_music:
 674         SIMULTANEOUS '{' Music_list '}'{
 675                 $$ = new Simultaneous_music (gh_car ($3));
 676         }
 677         | '<' Music_list '>'    {
 678                 $$ = new Simultaneous_music (gh_car ($2));
 679         }
 680         ;
 681
 682 Simple_music:
 683         request_chord           { $$ = $1; }
 684         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 685                 SCM pred = $2;
 686                 if (!gh_symbol_p ($3))
 687                 {
 688                         THIS->parser_error (_("Second argument must be a symbol"));
 689                 }
 690                 /*hould check # args */
 691                 if (!gh_procedure_p (pred))
 692                 {
 693                         THIS->parser_error (_("First argument must be a procedure taking 1 argument"));
 694                 }
 695
 696                 $$ = new Output_property (pred,$3, $5);
 697         }
 698         | MUSIC_IDENTIFIER {
 699                 $$ = unsmob_music ($1)->clone ();
 700         }
 701         | property_def
 702         | translator_change
 703         | Simple_music '*' bare_unsigned '/' bare_unsigned      {
 704                 $$ = $1;
 705                 $$->compress (Moment($3, $5 ));
 706         }
 707         | Simple_music '*' bare_unsigned                 {
 708                 $$ = $1;
 709                 $$->compress (Moment ($3, 1));
 710         }
 711         ;
 712
 713
 714 Composite_music:
 715         CONTEXT STRING Music    {
 716                 Context_specced_music *csm =  new Context_specced_music ($3);
 717
 718                 csm->translator_type_str_ = ly_scm2string ($2);
 719                 csm->translator_id_str_ = "";
 720
 721
 722                 $$ = csm;
 723         }
 724         | AUTOCHANGE STRING Music       {
 725                 Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
 726
 727                 $$ = chm;
 728                 chm->set_spot (*$3->origin ());
 729         }
 730         | GRACE Music {
 731                 $$ = new Grace_music ($2);
 732         }
 733         | CONTEXT STRING '=' STRING Music {
 734                 Context_specced_music *csm =  new Context_specced_music ($5);
 735
 736                 csm->translator_type_str_ = ly_scm2string ($2);
 737                 csm->translator_id_str_ = ly_scm2string ($4);
 738
 739                 $$ = csm;
 740         }
 741         | TIMES {
 742                 THIS->remember_spot ();
 743         }
 744         /* CONTINUED */
 745                 bare_unsigned '/' bare_unsigned Music
 746
 747         {
 748                 $$ = new Time_scaled_music ($3, $5, $6);
 749                 $$->set_spot (THIS->pop_spot ());
 750         }
 751         | Repeated_music                { $$ = $1; }
 752         | Simultaneous_music            { $$ = $1; }
 753         | Sequential_music              { $$ = $1; }
 754         | TRANSPOSE musical_pitch Music {
 755                 $$ = new Transposed_music ($3, *$2);
 756                 delete $2; // ugh
 757         }
 758         | TRANSPOSE steno_tonic_pitch Music {
 759                 $$ = new Transposed_music ($3, *$2);
 760                 delete $2; // ugh
 761         }
 762         | NOTES
 763                 { THIS->lexer_p_->push_note_state (); }
 764         Music
 765                 { $$ = $3;
 766                   THIS->lexer_p_->pop_state ();
 767                 }
 768         | CHORDS
 769                 { THIS->lexer_p_->push_chord_state (); }
 770         Music
 771                 {
 772                   $$ = $3;
 773                   THIS->lexer_p_->pop_state ();
 774         }
 775         | LYRICS
 776                 { THIS->lexer_p_->push_lyric_state (); }
 777         Music
 778                 {
 779                   $$ = $3;
 780                   THIS->lexer_p_->pop_state ();
 781         }
 782         | relative_music        { $$ = $1; }
 783         | re_rhythmed_music     { $$ = $1; }
 784         | part_combined_music   { $$ = $1; }
 785         ;
 786
 787 relative_music:
 788         RELATIVE absolute_musical_pitch Music {
 789                 $$ = new Relative_octave_music ($3, *$2);
 790                 delete $2; // ugh
 791         }
 792         ;
 793
 794 re_rhythmed_music:
 795         ADDLYRICS Music Music {
 796                 Lyric_combine_music * l = new Lyric_combine_music ($2, $3);
 797                 $$ = l;
 798         }
 799         ;
 800
 801 part_combined_music:
 802         PARTCOMBINE STRING Music Music {
 803                 Part_combine_music * p = new Part_combine_music (ly_scm2string ($2), $3, $4);
 804                 $$ = p;
 805         }
 806         ;
 807
 808 translator_change:
 809         TRANSLATOR STRING '=' STRING  {
 810                 Change_translator * t = new Change_translator;
 811                 t-> change_to_type_str_ = ly_scm2string ($2);
 812                 t-> change_to_id_str_ = ly_scm2string ($4);
 813
 814                 $$ = t;
 815                 $$->set_spot (THIS->here_input ());
 816         }
 817         ;
 818
 819 property_def:
 820         PROPERTY STRING '.' STRING '='  scalar {
 821                 Translation_property *t = new Translation_property;
 822
 823                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
 824                 t->set_mus_property ("value", $6);
 825
 826                 Context_specced_music *csm = new Context_specced_music (t);
 827                 $$ = csm;
 828                 $$->set_spot (THIS->here_input ());
 829
 830                 csm-> translator_type_str_ = ly_scm2string ($2);
 831         }
 832         | PROPERTY STRING '.' STRING PUSH embedded_scm '=' embedded_scm {
 833                 Push_translation_property *t = new Push_translation_property;
 834
 835                 t->set_mus_property ("symbols", scm_string_to_symbol ($4));
 836                 t->set_mus_property ("element-property", $6);
 837                 t->set_mus_property ("element-value", $8);
 838                 Context_specced_music *csm = new Context_specced_music (t);
 839                 $$ = csm;
 840                 $$->set_spot (THIS->here_input ());
 841
 842                 csm-> translator_type_str_ = ly_scm2string ($2);
 843         }
 844         | PROPERTY STRING '.' STRING POP embedded_scm {
 845                 Pop_translation_property *t = new Pop_translation_property;
 846
 847                 t->set_mus_property ("symbols", scm_string_to_symbol ($4));
 848                 t->set_mus_property ("element-property", $6);
 849
 850                 Context_specced_music *csm = new Context_specced_music (t);
 851                 $$ = csm;
 852                 $$->set_spot (THIS->here_input ());
 853
 854                 csm-> translator_type_str_ = ly_scm2string ($2);
 855         }
 856         ;
 857
 858 scalar:
 859         string          { $$ = $1; }
 860         | bare_int      { $$ = gh_int2scm ($1); }
 861         | embedded_scm  { $$ = $1; }
 862         ;
 863
 864
 865 request_chord:
 866         pre_requests simple_element post_requests       {
 867                 Music_sequence *l = dynamic_cast<Music_sequence*>($2);
 868                 if (l) {
 869                         for (int i=0; i < $1->size(); i++)
 870                                 l->append_music ($1->elem(i));
 871                         for (int i=0; i < $3->size(); i++)
 872                                 l->append_music ($3->elem(i));
 873                         }
 874                 else
 875                         programming_error ("Need Sequence to add music to");
 876                 $$ = $2;
 877
 878         }
 879         | command_element
 880         ;
 881
 882 command_element:
 883         command_req {
 884                 $$ = new Request_chord (gh_cons ($1->self_scm (), SCM_EOL));
 885                 $$-> set_spot (THIS->here_input ());
 886                 $1-> set_spot (THIS->here_input ());
 887         }
 888         | PARTIAL duration_length ';'   {
 889                 Translation_property * p = new Translation_property;
 890                 p->set_mus_property ("symbol", ly_symbol2scm ( "measurePosition"));
 891                 Moment m = - $2->length_mom ();
 892                 p->set_mus_property ("value", m.make_scm());
 893                 delete $2; // ugh
 894                 Context_specced_music * sp = new Context_specced_music (p);
 895                 $$ =sp ;
 896                 sp-> translator_type_str_ = "Score";
 897         }
 898         ;
 899
 900 command_req:
 901         shorthand_command_req
 902         | verbose_command_req semicolon { $$ = $1; }
 903         ;
 904
 905 shorthand_command_req:
 906         extender_req {
 907                 $$ = $1;
 908         }
 909         | hyphen_req {
 910                 $$ = $1;
 911         }
 912         | '|'                           {
 913                 $$ = new Barcheck_req;
 914         }
 915         | '~'   {
 916                 $$ = new Tie_req;
 917         }
 918         | '['           {
 919                 Span_req*b= new Span_req;
 920                 b->span_dir_ = START;
 921                 b->span_type_str_ = "beam";
 922                 $$ =b;
 923         }
 924         | ']'           {
 925              Span_req*b= new Span_req;
 926              b->span_dir_ = STOP;
 927              b->span_type_str_ = "beam";
 928              $$ = b;
 929         }
 930         | BREATHE {
 931                 $$ = new Breathing_sign_req;
 932         }
 933         ;
 934
 935
 936 verbose_command_req:
 937
 938         BAR STRING                      {
 939                 $$ = new Bar_req (ly_scm2string ($2));
 940         }
 941         | COMMANDSPANREQUEST bare_int STRING {
 942                 Span_req * sp_p = new Span_req;
 943                 sp_p-> span_dir_  = Direction($2);
 944                 sp_p->span_type_str_ = ly_scm2string ($3);
 945                 sp_p->set_spot (THIS->here_input ());
 946                 $$ = sp_p;
 947         }
 948         | MARK  {
 949                 Mark_req * m = new Mark_req;
 950                 $$ = m;
 951         }
 952         | MARK STRING {
 953                 Mark_req *m = new Mark_req;
 954                 m->set_mus_property ("label", $2);
 955                 $$ = m;
 956
 957         }
 958         | MARK bare_unsigned {
 959                 Mark_req *m = new Mark_req;
 960                 m->set_mus_property ("label",  gh_int2scm ($2));
 961                 $$ = m;
 962         }
 963
 964         | TIME_T bare_unsigned '/' bare_unsigned        {
 965                 Time_signature_change_req *m = new Time_signature_change_req;
 966                 m->beats_i_ = $2;
 967                 m->one_beat_i_=$4;
 968                 $$ = m;
 969         }
 970         | PENALTY bare_int      {
 971                 Break_req * b = new Break_req;
 972                 b->penalty_f_ = $2 / 100.0;
 973                 b->set_spot (THIS->here_input ());
 974                 $$ = b;
 975         }
 976         | SKIP duration_length {
 977                 Skip_req * skip_p = new Skip_req;
 978                 skip_p->duration_ = *$2;
 979                 delete $2; // ugh
 980                 $$ = skip_p;
 981         }
 982         | tempo_request {
 983                 $$ = $1;
 984         }
 985         | CLEF STRING {
 986                 $$ = new Clef_change_req (ly_scm2string ($2));
 987
 988         }
 989         | KEY {
 990                 Key_change_req *key_p= new Key_change_req;
 991                 $$ = key_p;
 992         }
 993         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
 994                 Key_change_req *key_p= new Key_change_req;
 995
 996                 key_p->set_mus_property ("pitch-alist", $3);
 997                 ((Music* )key_p)->transpose (* $2);
 998                 $$ = key_p;
 999         }
1000         ;
1001
1002 post_requests:
1003         {
1004                 $$ = new Link_array<Request>;
1005         }
1006         | post_requests post_request {
1007                 $2->set_spot (THIS->here_input ());
1008                 $$->push ($2);
1009         }
1010         ;
1011
1012 post_request:
1013         verbose_request
1014         | request_with_dir
1015         | close_request
1016         ;
1017
1018
1019 request_that_take_dir:
1020         gen_text_def
1021         | verbose_request
1022         | script_abbreviation {
1023                 SCM s = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($1));
1024                 Articulation_req *a = new Articulation_req;
1025                 if (gh_string_p (s))
1026                         a->articulation_str_ = ly_scm2string (s);
1027                 else THIS->parser_error (_ ("Expecting string as script definition"));
1028                 $$ = a;
1029         }
1030         ;
1031
1032 request_with_dir:
1033         script_dir request_that_take_dir        {
1034                 if (Script_req * gs = dynamic_cast<Script_req*> ($2))
1035                         gs->dir_ = Direction ($1);
1036                 else if ($1)
1037                         $2->origin ()->warning (_ ("Can't specify direction for this request"));
1038                 $$ = $2;
1039         }
1040         ;
1041
1042 verbose_request:
1043         REQUEST_IDENTIFIER      {
1044                 $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
1045                 $$->set_spot (THIS->here_input ());
1046         }
1047         | TEXTSCRIPT STRING STRING      {
1048                 Text_script_req *ts_p = new Text_script_req;
1049                 ts_p-> text_str_ = ly_scm2string ($2);
1050                 ts_p-> style_str_ = ly_scm2string ($3);
1051                 ts_p->set_spot (THIS->here_input ());
1052
1053                 $$ = ts_p;
1054         }
1055         | SPANREQUEST bare_int STRING {
1056                 Span_req * sp_p = new Span_req;
1057                 sp_p->span_dir_  = Direction($2);
1058                 sp_p->span_type_str_ = ly_scm2string ($3);
1059                 sp_p->set_spot (THIS->here_input ());
1060                 $$ = sp_p;
1061         }
1062         | tremolo_type  {
1063                 Tremolo_req* a = new Tremolo_req;
1064                 a->set_spot (THIS->here_input ());
1065                 a->type_i_ = $1;
1066                 $$ = a;
1067         }
1068         | SCRIPT STRING         {
1069                 Articulation_req * a = new Articulation_req;
1070                 a->articulation_str_ = ly_scm2string ($2);
1071                 a->set_spot (THIS->here_input ());
1072                 $$ = a;
1073         }
1074         | ARPEGGIO {
1075                 Arpeggio_req *a = new Arpeggio_req;
1076                 a->set_spot (THIS->here_input ());
1077                 $$ = a;
1078         }
1079         ;
1080
1081 sup_quotes:
1082         '\'' {
1083                 $$ = 1;
1084         }
1085         | sup_quotes '\'' {
1086                 $$ ++;
1087         }
1088         ;
1089
1090 sub_quotes:
1091         ',' {
1092                 $$ = 1;
1093         }
1094         | sub_quotes ',' {
1095                 $$ ++ ;
1096         }
1097         ;
1098
1099 steno_musical_pitch:
1100         NOTENAME_PITCH  {
1101                 $$ = $1;
1102         }
1103         | NOTENAME_PITCH sup_quotes     {
1104                 $$ = $1;
1105                 $$->octave_i_ +=  $2;
1106         }
1107         | NOTENAME_PITCH sub_quotes      {
1108                 $$ = $1;
1109                 $$->octave_i_ += - $2;
1110         }
1111         ;
1112
1113 steno_tonic_pitch:
1114         TONICNAME_PITCH {
1115                 $$ = $1;
1116         }
1117         | TONICNAME_PITCH sup_quotes    {
1118                 $$ = $1;
1119                 $$->octave_i_ +=  $2;
1120         }
1121         | TONICNAME_PITCH sub_quotes     {
1122                 $$ = $1;
1123                 $$->octave_i_ += - $2;
1124         }
1125         ;
1126
1127 musical_pitch:
1128         steno_musical_pitch {
1129                 $$ = $1;
1130         }
1131         | MUSICAL_PITCH embedded_scm {
1132                 int sz = scm_ilength ($2);
1133                 if (sz != 3) {
1134                         THIS->parser_error (_f ("Expecting %d arguments", 3));
1135                         $2 = gh_list (gh_int2scm (0), gh_int2scm (0), gh_int2scm (0), SCM_UNDEFINED);
1136                 }
1137                 $$ = new Musical_pitch ($2);
1138         }
1139         ;
1140
1141 explicit_duration:
1142         DURATION embedded_scm   {
1143                 $$ = new Duration;
1144                 if (scm_ilength ($2) == 2)
1145                         {
1146                         $$-> durlog_i_ = gh_scm2int (gh_car($2));
1147                         $$-> dots_i_ = gh_scm2int (gh_cadr($2));
1148                         }
1149                 else
1150                         THIS->parser_error (_("Must have 2 arguments for duration"));
1151         }
1152         ;
1153
1154 extender_req:
1155         EXTENDER {
1156                 if (!THIS->lexer_p_->lyric_state_b ())
1157                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1158                 $$ = new Extender_req;
1159         }
1160         ;
1161
1162 hyphen_req:
1163         HYPHEN {
1164                 if (!THIS->lexer_p_->lyric_state_b ())
1165                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1166                 $$ = new Hyphen_req;
1167         }
1168         ;
1169
1170 close_request:
1171         close_request_parens {
1172                 $$ = $1;
1173                 dynamic_cast<Span_req*> ($$)->span_dir_ = START;
1174         }
1175
1176 close_request_parens:
1177         '('     {
1178                 Span_req* s= new Span_req;
1179                 $$ = s;
1180                 s->span_type_str_ = "slur";
1181         }
1182         | E_SMALLER {
1183                 Span_req*s =new Span_req;
1184                 $$ = s;
1185                 s->span_type_str_ = "crescendo";
1186         }
1187         | E_BIGGER {
1188                 Span_req*s =new Span_req;
1189                 $$ = s;
1190                 s->span_type_str_ = "decrescendo";
1191         }
1192         ;
1193
1194
1195 open_request:
1196         open_request_parens {
1197                 $$ = $1;
1198                 dynamic_cast<Span_req*> ($$)->span_dir_ = STOP;
1199         }
1200         ;
1201
1202 open_request_parens:
1203         E_EXCLAMATION   {
1204                 Span_req *s =  new Span_req;
1205                 s->span_type_str_ = "crescendo";
1206                 $$ = s;
1207         }
1208         | ')'   {
1209                 Span_req* s= new Span_req;
1210                 $$ = s;
1211                 s->span_type_str_ = "slur";
1212         }
1213         ;
1214
1215 gen_text_def:
1216         string {
1217                 Text_script_req *t  = new Text_script_req;
1218                 $$ = t;
1219                 t->text_str_ = ly_scm2string ($1);
1220
1221                 $$->set_spot (THIS->here_input ());
1222         }
1223         | DIGIT {
1224                 Text_script_req* t  = new Text_script_req;
1225                 $$ = t;
1226                 t->text_str_ = to_str ($1);
1227                 t->style_str_ = "finger";
1228                 $$->set_spot (THIS->here_input ());
1229         }
1230         ;
1231
1232 script_abbreviation:
1233         '^'             {
1234                 $$ = gh_str02scm  ("hat");
1235         }
1236         | '+'           {
1237                 $$ = gh_str02scm("plus");
1238         }
1239         | '-'           {
1240                 $$ = gh_str02scm ("dash");
1241         }
1242         | '|'           {
1243                 $$ = gh_str02scm ("bar");
1244         }
1245         | '>'           {
1246                 $$ = gh_str02scm ("larger");
1247         }
1248         | '.'           {
1249                 $$ = gh_str02scm ("dot");
1250         }
1251         ;
1252
1253
1254 script_dir:
1255         '_'     { $$ = DOWN; }
1256         | '^'   { $$ = UP; }
1257         | '-'   { $$ = CENTER; }
1258         ;
1259
1260 pre_requests:
1261         {
1262                 $$ = new Link_array<Request>;
1263         }
1264         | pre_requests open_request {
1265                 $$->push ($2);
1266         }
1267         ;
1268
1269 absolute_musical_pitch:
1270         steno_musical_pitch     {
1271                 $$ = $1;
1272         }
1273         ;
1274
1275 duration_length:
1276         steno_duration {
1277                 $$ = $1;
1278         }
1279         | duration_length '*' bare_unsigned {
1280                 $$->tuplet_iso_i_ *= $3;
1281         }
1282         | duration_length '/' bare_unsigned {
1283                 $$->tuplet_type_i_ *= $3;
1284         }
1285         ;
1286
1287 entered_notemode_duration:
1288         steno_duration  {
1289                 THIS->set_last_duration ($1);
1290         }
1291         ;
1292
1293 optional_notemode_duration:
1294         {
1295                 $$ = new Duration (THIS->default_duration_);
1296         }
1297         | entered_notemode_duration {
1298                 $$ = $1;
1299         }
1300         ;
1301
1302 steno_duration:
1303         bare_unsigned           {
1304                 $$ = new Duration;
1305                 if (!is_duration_b ($1))
1306                         THIS->parser_error (_f ("not a duration: %d", $1));
1307                 else {
1308                         $$->durlog_i_ = intlog2 ($1);
1309                      }
1310         }
1311         | DURATION_IDENTIFIER   {
1312                 $$ = $1->access_content_Duration (true);
1313         }
1314         | steno_duration '.'    {
1315                 $$->dots_i_ ++;
1316         }
1317         ;
1318
1319
1320 tremolo_type:
1321         ':'     {
1322                 $$ =0;
1323         }
1324         | ':' bare_unsigned {
1325                 if (!is_duration_b ($2))
1326                         THIS->parser_error (_f ("not a duration: %d", $2));
1327                 $$ = $2;
1328         }
1329         ;
1330
1331
1332 simple_element:
1333         musical_pitch exclamations questions optional_notemode_duration {
1334                 if (!THIS->lexer_p_->note_state_b ())
1335                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1336
1337
1338                 Note_req *n = new Note_req;
1339
1340                 n->pitch_ = *$1;
1341                 n->duration_ = *$4;
1342
1343                 n->cautionary_b_ = $3 % 2;
1344                 n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
1345
1346
1347                 Simultaneous_music*v = new Request_chord (gh_list (n->self_scm (), SCM_UNDEFINED));
1348                 v->set_spot ($1->spot ());
1349                 n->set_spot ($1->spot ());
1350                 $$ = v;
1351
1352                 delete $1;
1353                 delete $4;
1354         }
1355         | RESTNAME optional_notemode_duration           {
1356
1357                 SCM e = SCM_UNDEFINED;
1358                   if (ly_scm2string ($1) =="s")
1359                     { /* Space */
1360                       Skip_req * skip_p = new Skip_req;
1361                       skip_p->duration_ = *$2;
1362
1363                       skip_p->set_spot (THIS->here_input());
1364                         e = skip_p->self_scm ();
1365                     }
1366                   else
1367                     {
1368                       Rest_req * rest_req_p = new Rest_req;
1369                       rest_req_p->duration_ = *$2;
1370                       rest_req_p->set_spot (THIS->here_input());
1371                         e = rest_req_p->self_scm ();
1372                     }
1373                   Simultaneous_music* velt_p = new Request_chord (gh_list (e,SCM_UNDEFINED));
1374                   velt_p->set_spot (THIS->here_input());
1375
1376                   delete $2; // ugh
1377                   $$ = velt_p;
1378         }
1379         | MEASURES optional_notemode_duration   {
1380                 Skip_req * sk = new Skip_req;
1381                 sk->duration_ = *$2;
1382
1383
1384                 Span_req *sp1 = new Span_req;
1385                 Span_req *sp2 = new Span_req;
1386                 sp1-> span_dir_ = START;
1387                 sp2-> span_dir_ = STOP;
1388                 sp1->span_type_str_ = sp2->span_type_str_ = "rest";
1389
1390                 Request_chord * rqc1 = new Request_chord (gh_list (sp1->self_scm (), SCM_UNDEFINED));
1391                 Request_chord * rqc2 = new Request_chord (gh_list (sk->self_scm (), SCM_UNDEFINED));;
1392                 Request_chord * rqc3 = new Request_chord(gh_list (sp2->self_scm (), SCM_UNDEFINED));;
1393
1394                 SCM ms = gh_list (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
1395
1396                 $$ = new Sequential_music (ms);
1397         }
1398         | STRING {
1399                 THIS->remember_spot ();
1400         }
1401         /* cont */
1402         optional_notemode_duration      {
1403                 if (!THIS->lexer_p_->lyric_state_b ()) {
1404                         THIS->pop_spot ().error (_ ("Have to be in Lyric mode for lyrics"));
1405                         THIS->error_level_i_  = 1;
1406                         THIS->parser_error (_ ("Giving up"));
1407                 }
1408                 else
1409                         THIS->pop_spot ();
1410                 Lyric_req* lreq_p = new Lyric_req;
1411                 lreq_p ->text_str_ = ly_scm2string ($1);
1412                 lreq_p->duration_ = *$3;
1413                 lreq_p->set_spot (THIS->here_input());
1414                 Simultaneous_music* velt_p = new Request_chord (gh_list (lreq_p->self_scm (), SCM_UNDEFINED));
1415
1416                 delete  $3; // ugh
1417                 $$= velt_p;
1418
1419         }
1420         | chord {
1421                 if (!THIS->lexer_p_->chord_state_b ())
1422                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1423                 $$ = $1;
1424         }
1425         ;
1426
1427
1428 chord:
1429         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1430                 $$ = get_chord (*$1, $3, $4, $5, $6, *$2);
1431                 $$->set_spot (THIS->here_input ());
1432         };
1433
1434 chord_additions:
1435         {
1436                 $$ = new Array<Musical_pitch>;
1437         }
1438         | CHORD_COLON chord_notes {
1439                 $$ = $2;
1440         }
1441         ;
1442
1443 chord_notes:
1444         chord_step {
1445                 $$ = $1
1446         }
1447         | chord_notes '.' chord_step {
1448                 $$ = $1;
1449                 $$->concat (*$3);
1450         }
1451         ;
1452
1453 chord_subtractions:
1454         {
1455                 $$ = new Array<Musical_pitch>;
1456         }
1457         | CHORD_CARET chord_notes {
1458                 $$ = $2;
1459         }
1460         ;
1461
1462
1463 chord_inversion:
1464         {
1465                 $$ = 0;
1466         }
1467         | '/' steno_tonic_pitch {
1468                 $$ = $2;
1469                 $$->set_spot (THIS->here_input ());
1470         }
1471         ;
1472
1473 chord_bass:
1474         {
1475                 $$ = 0;
1476         }
1477         | CHORD_BASS steno_tonic_pitch {
1478                 $$ = $2;
1479                 $$->set_spot (THIS->here_input ());
1480         }
1481         ;
1482
1483 chord_step:
1484         chord_note {
1485                 $$ = new Array<Musical_pitch>;
1486                 $$->push (*$1);
1487         }
1488         | CHORDMODIFIER_PITCH {
1489                 $$ = new Array<Musical_pitch>;
1490                 $$->push (*$1);
1491         }
1492         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
1493                 $$ = new Array<Musical_pitch>;
1494                 $$->push (*$1);
1495                 $$->push (*$2);
1496         }
1497         ;
1498
1499 chord_note:
1500         bare_unsigned {
1501                 $$ = new Musical_pitch;
1502                 $$->notename_i_ = ($1 - 1) % 7;
1503                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1504                 $$->accidental_i_ = 0;
1505         }
1506         | bare_unsigned '+' {
1507                 $$ = new Musical_pitch;
1508                 $$->notename_i_ = ($1 - 1) % 7;
1509                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1510                 $$->accidental_i_ = 1;
1511         }
1512         | bare_unsigned CHORD_MINUS {
1513                 $$ = new Musical_pitch;
1514                 $$->notename_i_ = ($1 - 1) % 7;
1515                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1516                 $$->accidental_i_ = -1;
1517         }
1518         ;
1519
1520 /*
1521         UTILITIES
1522  */
1523 number_expression:
1524         bare_number {
1525                 $$ = $1;
1526         }
1527         | '-'  number_expression %prec UNARY_MINUS {
1528                 $$ = scm_difference ($2, SCM_UNDEFINED);
1529         }
1530         | number_expression '*' number_expression {
1531                 $$ = scm_product ($1, $3);
1532         }
1533         | number_expression '/' number_expression {
1534                 $$ = scm_divide ($1, $3);
1535         }
1536         | number_expression '+' number_expression {
1537                 $$ = scm_sum ($1, $3);
1538         }
1539         | number_expression '-' number_expression {
1540                 $$ = scm_difference ($1, $3);
1541         }
1542         | '(' number_expression ')'     {
1543                 $$ = $2;
1544         }
1545         ;
1546
1547 bare_number:
1548         UNSIGNED        {
1549                 $$ = gh_int2scm ($1);
1550         }
1551         | DIGIT         {
1552                 $$ = gh_int2scm ($1);
1553         }
1554         | REAL          {
1555                 $$ = gh_double2scm ($1);
1556         }
1557         | NUMBER_IDENTIFIER             {
1558                 $$ = $1;
1559         }
1560         | REAL CM_T     {
1561                 $$ = gh_double2scm ($1 CM);
1562         }
1563         | REAL PT_T     {
1564                 $$ = gh_double2scm ($1 PT);
1565         }
1566         | REAL IN_T     {
1567                 $$ = gh_double2scm ($1 INCH);
1568         }
1569         | REAL MM_T     {
1570                 $$ = gh_double2scm ($1 MM);
1571         }
1572         | REAL CHAR_T   {
1573                 $$ = gh_double2scm ($1 CHAR);
1574         }
1575         ;
1576
1577
1578 bare_unsigned:
1579         bare_number {
1580                 if (scm_integer_p ($1) == SCM_BOOL_T) {
1581                         $$ = gh_scm2int ($1);
1582
1583                 } else {
1584                         THIS->parser_error (_("need integer number arg"));
1585                         $$ = 0;
1586                 }
1587                 if ($$ < 0) {
1588                         THIS->parser_error (_("Must be positive integer"));
1589                         $$ = -$$;
1590                         }
1591
1592         }
1593         ;
1594 bare_int:
1595         bare_number {
1596                 if (scm_integer_p ($1) == SCM_BOOL_T)
1597                 {
1598                         int k = gh_scm2int ($1);
1599                         $$ = k;
1600                 } else
1601                 {
1602                         THIS->parser_error (_("need integer number arg"));
1603                         $$ = 0;
1604                 }
1605         }
1606         | '-' bare_int {
1607                 $$ = -$2;
1608         }
1609         ;
1610
1611
1612 string:
1613         STRING          {
1614                 $$ = $1;
1615         }
1616         | STRING_IDENTIFIER     {
1617                 $$ = $1;
1618         }
1619         | string '+' string {
1620                 $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
1621         }
1622         ;
1623
1624
1625 exclamations:
1626                 { $$ = 0; }
1627         | exclamations '!'      { $$ ++; }
1628         ;
1629
1630 questions:
1631                 { $$ = 0; }
1632         | questions '?' { $$ ++; }
1633         ;
1634
1635
1636 semicolon:
1637         ';'
1638         ;
1639
1640 %%
1641
1642 void
1643 My_lily_parser::set_yydebug (bool b)
1644 {
1645 #ifdef YYDEBUG
1646         yydebug = b;
1647 #endif
1648 }
1649 void
1650 My_lily_parser::do_yyparse ()
1651 {
1652         yyparse ((void*)this);
1653 }
1654
1655