lily/parser.yy

   1 %{ // -*-Fundamental-*-
   2
   3 /*
   4   parser.yy -- Bison/C++ parser for lilypond
   5
   6   source file of the GNU LilyPond music typesetter
   7
   8   (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   9            Jan Nieuwenhuizen <janneke@gnu.org>
  10 */
  11
  12 /*
  13   Two shift/reduce problems:
  14
  15 1.      foo = bar.
  16
  17         "bar" -> String -> Lyric -> Music -> music-assignment
  18
  19         "bar" -> String -> string-assignment
  20
  21
  22 2.  \repeat
  23         \repeat .. \alternative
  24
  25
  26     \repeat { \repeat .. \alternative }
  27
  28 or
  29
  30     \repeat { \repeat } \alternative
  31
  32 )
  33
  34 --hwn
  35
  36  */
  37
  38 /*
  39
  40 TODO:
  41
  42 * The rules for who is protecting what are very shady. Uniformise
  43   this.
  44
  45 * There are too many lexical modes?
  46
  47 */
  48
  49 #include <ctype.h>
  50 #include <stdlib.h>
  51
  52 #include "translator-def.hh"
  53 #include "lily-guile.hh"
  54 #include "misc.hh"
  55 #include "my-lily-lexer.hh"
  56 #include "paper-def.hh"
  57 #include "midi-def.hh"
  58 #include "main.hh"
  59 #include "file-path.hh"
  60 #include "warn.hh"
  61 #include "dimensions.hh"
  62 #include "my-lily-parser.hh"
  63 #include "score.hh"
  64 #include "input-file-results.hh"
  65 #include "input.hh"
  66 #include "lilypond-input-version.hh"
  67 #include "scm-hash.hh"
  68 #include "auto-change-iterator.hh"
  69 #include "ly-modules.hh"
  70 #include "music-sequence.hh"
  71 #include "input-smob.hh"
  72 #include "event.hh"
  73 #include "text-item.hh"
  74
  75
  76
  77 #define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
  78
  79
  80
  81 #define YYERROR_VERBOSE 1
  82
  83 My_lily_parser* my_lily_parser;
  84 #define YYPARSE_PARAM my_lily_parser
  85 #define YYLEX_PARAM my_lily_parser
  86 #define THIS\
  87         ((My_lily_parser *) my_lily_parser)
  88
  89 #define yyerror THIS->parser_error
  90
  91
  92
  93
  94
  95 bool
  96 regular_identifier_b (SCM id)
  97 {
  98   String str = ly_scm2string (id);
  99   char const *s = str.to_str0 () ;
 100
 101   bool v = true;
 102   while (*s && v)
 103    {
 104         v = v && isalpha (*s);
 105         s++;
 106    }
 107   return v;
 108 }
 109
 110 SCM
 111 make_simple_markup (SCM a)
 112 {
 113         static SCM simple;
 114         if (!simple)
 115         simple = scm_c_eval_string ("simple-markup");
 116
 117         return scm_list_n (simple, a, SCM_UNDEFINED);
 118 }
 119
 120
 121 bool
 122 is_duration_b (int t)
 123 {
 124   return t && t == 1 << intlog2 (t);
 125 }
 126
 127 void
 128 set_music_properties (Music *p, SCM a)
 129 {
 130   for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
 131         {
 132         p->internal_set_mus_property (ly_caar (k), ly_cdar (k));
 133         }
 134 }
 135
 136
 137 SCM
 138 make_chord_step (int step, int alter)
 139 {
 140         if (step == 7)
 141                 alter--;
 142
 143         /* ugh: fucks up above 13 */
 144         Pitch m(step > 7 ? 1 : 0,(step - 1) % 7, alter);
 145         return m.smobbed_copy ();
 146 }
 147
 148
 149 SCM
 150 make_chord (SCM pitch, SCM dur, SCM modification_list)
 151 {
 152         static SCM chord_ctor;
 153         if (!chord_ctor)
 154                 chord_ctor= scm_c_eval_string ("construct-chord");
 155         SCM ch=  scm_call_3 (chord_ctor, pitch, dur, modification_list);
 156         scm_gc_protect_object (ch);
 157         return ch;
 158 }
 159
 160
 161
 162 Music*
 163 set_property_music (SCM sym, SCM value)
 164 {
 165         Music * p = MY_MAKE_MUSIC("PropertySet");
 166         p->set_mus_property ("symbol", sym);
 167         p->set_mus_property ("value", value);
 168         return p;
 169 }
 170
 171 %}
 172
 173 /* We use SCMs to do strings, because it saves us the trouble of
 174 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 175 of the parse stack onto the heap. */
 176
 177
 178 %union {
 179         String * string;
 180     Music *music;
 181     Score *score;
 182     Music_output_def * outputdef;
 183     SCM scm;
 184     int i;
 185 }
 186 %{
 187
 188 int
 189 yylex (YYSTYPE *s,  void * v)
 190 {
 191         My_lily_parser   *pars = (My_lily_parser*) v;
 192         My_lily_lexer * lex = pars->lexer_;
 193
 194         lex->lexval = (void*) s;
 195         lex->prepare_for_next_token();
 196         return lex->yylex ();
 197 }
 198
 199
 200 %}
 201
 202 %pure_parser
 203
 204 /* tokens which are not keywords */
 205 %token AUTOCHANGE
 206 %token ALIAS
 207 %token APPLYCONTEXT
 208 %token APPLYOUTPUT
 209 %token APPLY
 210 %token ACCEPTS
 211 %token ALTERNATIVE
 212 %token BAR
 213 %token BREATHE
 214 %token CHORDMODIFIERS
 215 %token CHORDS
 216 %token CLEF
 217 %token CONSISTS
 218 %token DURATION
 219 %token SEQUENTIAL
 220 %token GROBDESCRIPTIONS
 221 %token SIMULTANEOUS
 222 %token CONSISTSEND
 223 %token DENIES
 224 %token EXTENDER
 225 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 226 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
 227 %token GRACE
 228 %token HEADER
 229 %token HYPHEN
 230 %token INVALID
 231 %token KEY
 232 %token LYRICS
 233 %token MARK
 234 %token MULTI_MEASURE_REST
 235 %token MIDI
 236 %token PITCH
 237 %token DEFAULT
 238 %token NAME
 239 %token PITCHNAMES
 240 %token NOTES
 241 %token ONCE
 242 %token PAPER
 243 %token PARTIAL
 244 %token PROPERTY
 245 %token OVERRIDE SET REVERT
 246 %token RELATIVE
 247 %token REMOVE
 248 %token REPEAT
 249 %token ADDLYRICS
 250 %token PARTCOMBINE
 251 %token SCM_T
 252 %token SCORE
 253 %token SKIP
 254 %token SPANREQUEST
 255 %token COMMANDSPANREQUEST
 256 %token TEMPO
 257 %token OUTPUTPROPERTY
 258 %token TIME_T
 259 %token TIMES
 260 %token TRANSLATOR
 261 %token TRANSPOSE
 262 %token TYPE
 263 %token UNSET
 264 %token CONTEXT
 265 %token REST
 266
 267 %token CHORD_OPEN
 268 %token CHORD_CLOSE
 269
 270
 271 /* escaped */
 272 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 273 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 274 %token E_BACKSLASH
 275 %token <i> E_UNSIGNED
 276 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
 277 %token FIGURE_SPACE
 278
 279 %type <i>       exclamations questions dots optional_rest
 280 %type <i>       bass_number bass_mod
 281 %type <scm>     br_bass_figure bass_figure figure_list figure_spec
 282 %token <i>      DIGIT
 283 %token <scm>    NOTENAME_PITCH
 284 %token <scm>    TONICNAME_PITCH
 285 %token <scm>    CHORDMODIFIER_PITCH
 286 %token <scm>    DURATION_IDENTIFIER
 287 %token <scm>    FRACTION
 288 %token <id>     IDENTIFIER
 289 %token <scm>    CHORDNAMES CHORDNAMES_IDENTIFIER
 290
 291 %token <scm> CHORD_MODIFIER
 292
 293 %token <scm>    SCORE_IDENTIFIER
 294 %token <scm>    MUSIC_OUTPUT_DEF_IDENTIFIER
 295 %token <scm>    NUMBER_IDENTIFIER
 296 %token <scm>    EVENT_IDENTIFIER
 297 %token <scm>    MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
 298 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 299 %token <scm>    RESTNAME
 300 %token <scm>    STRING
 301 %token <scm>    SCM_T
 302 %token <i>      UNSIGNED
 303 %token <scm>   REAL
 304
 305 %token MARKUP
 306 %token <scm> MARKUP_HEAD_MARKUP0
 307 %token <scm> MARKUP_HEAD_MARKUP0_MARKUP1
 308 %token <scm> MARKUP_HEAD_SCM0
 309 %token <scm> MARKUP_HEAD_SCM0_MARKUP1
 310 %token <scm> MARKUP_HEAD_SCM0_SCM1
 311 %token <scm> MARKUP_HEAD_SCM0_SCM1_MARKUP2
 312
 313 %token <scm> MARKUP_IDENTIFIER MARKUP_HEAD_LIST0
 314 %type <scm> markup markup_line markup_list  markup_list_body full_markup
 315
 316 %type <outputdef> output_def
 317 %type <scm>     lilypond_header lilypond_header_body
 318 %type <music>   open_event_parens close_event_parens open_event close_event
 319 %type <music> event_with_dir event_that_take_dir verbose_event
 320 %type <i>       sub_quotes sup_quotes
 321 %type <music>   simple_element  event_chord command_element Simple_music  Composite_music
 322 %type <music>   Repeated_music
 323 %type <scm>     Alternative_music
 324 %type <i>       tremolo_type
 325 %type <i>       bare_int  bare_unsigned
 326 %type <i>       script_dir
 327 %type <scm>     identifier_init
 328
 329 %type <music> note_chord_element chord_body chord_body_element
 330 %type <scm>  chord_body_elements
 331 %type <scm> steno_duration optional_notemode_duration multiplied_duration
 332 %type <scm>  verbose_duration
 333
 334 %type <scm>  pre_events post_events
 335 %type <music> gen_text_def
 336 %type <scm>   steno_pitch pitch absolute_pitch pitch_also_in_chords
 337 %type <scm>   explicit_pitch steno_tonic_pitch
 338
 339 /* %type <scm>  chord_additions chord_subtractions chord_notes chord_step */
 340 /* %type <music>        chord */
 341 /* %type <scm>  chord_note chord_inversion chord_bass */
 342 %type <scm>     duration_length fraction
 343
 344 %type <scm> new_chord step_number chord_items chord_item chord_separator step_numbers
 345
 346 %type <scm>  embedded_scm scalar
 347 %type <music>   Music Sequential_music Simultaneous_music
 348 %type <music>   relative_music re_rhythmed_music part_combined_music
 349 %type <music>   property_def translator_change  simple_property_def
 350 %type <scm> Music_list
 351 %type <outputdef>  music_output_def_body
 352 %type <music> shorthand_command_req
 353 %type <music>   post_event
 354 %type <music> command_req verbose_command_req
 355 %type <music>   extender_req
 356 %type <music> hyphen_req
 357 %type <music> string_event
 358 %type <scm>     string bare_number number_expression number_term number_factor
 359 %type <score>   score_block score_body
 360
 361 %type <scm>     translator_spec_block translator_spec_body
 362 %type <music>   tempo_event
 363 %type <scm> notenames_body notenames_block chordmodifiers_block
 364 %type <scm>     script_abbreviation
 365
 366
 367
 368 %left '-' '+'
 369
 370 /* We don't assign precedence to / and *, because we might need varied
 371 prec levels in different prods */
 372
 373 %left UNARY_MINUS
 374
 375 %%
 376
 377 lilypond:       /* empty */
 378         | lilypond toplevel_expression {}
 379         | lilypond assignment  { }
 380         | lilypond error {
 381                 THIS->error_level_  = 1;
 382         }
 383         | lilypond INVALID      {
 384                 THIS->error_level_  = 1;
 385         }
 386         ;
 387
 388 toplevel_expression:
 389         notenames_block                 {
 390                 THIS->lexer_->pitchname_tab_ =  $1;
 391         }
 392         | chordmodifiers_block                  {
 393                 THIS->lexer_->chordmodifier_tab_  = $1;
 394         }
 395         | lilypond_header {
 396                 THIS->input_file_->header_ = $1;
 397         }
 398         | score_block {
 399                 THIS->input_file_->scores_.push ($1);
 400         }
 401         | output_def {
 402                 if (dynamic_cast<Paper_def*> ($1))
 403                         THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultpaper"), $1->self_scm ());
 404                 else if (dynamic_cast<Midi_def*> ($1))
 405                         THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultmidi"), $1->self_scm ());
 406         }
 407         ;
 408
 409 embedded_scm:
 410         SCM_T
 411         | SCM_IDENTIFIER
 412         ;
 413
 414
 415 chordmodifiers_block:
 416         CHORDMODIFIERS notenames_body   {  $$ = $2; }
 417         ;
 418
 419 notenames_block:
 420         PITCHNAMES notenames_body   {  $$ = $2; }
 421         ;
 422
 423 notenames_body:
 424         embedded_scm    {
 425           int i = scm_ilength ($1);
 426
 427           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
 428           for (SCM s = $1; gh_pair_p (s); s = ly_cdr (s)) {
 429                 SCM pt = ly_cdar (s);
 430                 scm_hashq_set_x (tab, ly_caar (s), pt);
 431           }
 432           $$ = tab;
 433         }
 434         ;
 435
 436 lilypond_header_body:
 437         {
 438                 $$ = ly_make_anonymous_module ();
 439                 THIS->lexer_->add_scope ($$);
 440         }
 441         | lilypond_header_body assignment  {
 442
 443         }
 444         ;
 445
 446 lilypond_header:
 447         HEADER '{' lilypond_header_body '}'     {
 448                 $$ = THIS->lexer_-> remove_scope();
 449         }
 450         ;
 451
 452
 453 /*
 454         DECLARATIONS
 455 */
 456 assignment:
 457         STRING {
 458                 THIS->push_spot ();
 459         }
 460         /* cont */ '=' identifier_init  {
 461
 462         /*
 463                 Should find generic way of associating input with objects.
 464         */
 465                 Input ip = THIS->pop_spot ();
 466
 467                 if (! regular_identifier_b ($1))
 468                 {
 469                         ip.warning (_ ("Identifier should have alphabetic characters only"));
 470                 }
 471
 472                 THIS->lexer_->set_identifier ($1, $4);
 473
 474 /*
 475  TODO: devise standard for protection in parser.
 476
 477   The parser stack lives on the C-stack, which means that
 478 all objects can be unprotected as soon as they're here.
 479
 480 */
 481         }
 482         | embedded_scm { }
 483         ;
 484
 485
 486
 487 identifier_init:
 488         score_block {
 489                 $$ = $1->self_scm ();
 490                 scm_gc_unprotect_object ($$);
 491         }
 492         | full_markup {
 493                 $$ = $1;
 494         }
 495         | output_def {
 496                 $$ = $1->self_scm ();
 497                 scm_gc_unprotect_object ($$);
 498         }
 499         | translator_spec_block {
 500                 $$ = $1;
 501         }
 502         | Music  {
 503                 $$ = $1->self_scm ();
 504                 scm_gc_unprotect_object ($$);
 505         }
 506         | post_event {
 507                 $$ = $1->self_scm ();
 508                 scm_gc_unprotect_object ($$);
 509         }
 510         | verbose_duration {
 511                 $$ = $1;
 512         }
 513         | number_expression {
 514                 $$ = $1;
 515         }
 516         | string {
 517                 $$ = $1;
 518         }
 519         | embedded_scm  {
 520                 $$ = $1;
 521         }
 522         ;
 523
 524 translator_spec_block:
 525         TRANSLATOR '{' translator_spec_body '}'
 526                 {
 527                 $$ = $3;
 528         }
 529         ;
 530
 531 translator_spec_body:
 532         TRANSLATOR_IDENTIFIER   {
 533                 $$ = $1;
 534                 unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
 535         }
 536         | TYPE STRING   {
 537                 $$ = Translator_def::make_scm ();
 538                 Translator_def*td =  unsmob_translator_def ($$);
 539                 td->translator_group_type_ = $2;
 540                 td->set_spot (THIS->here_input ());
 541         }
 542         | translator_spec_body STRING '=' embedded_scm                  {
 543                 unsmob_translator_def ($$)->add_property_assign ($2, $4);
 544         }
 545         | translator_spec_body STRING OVERRIDE embedded_scm '=' embedded_scm {
 546                 unsmob_translator_def ($$)
 547                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 548         }
 549         | translator_spec_body STRING SET embedded_scm '=' embedded_scm {
 550                 unsmob_translator_def ($$)
 551                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 552         }
 553         | translator_spec_body STRING REVERT embedded_scm  {
 554           unsmob_translator_def ($$)->add_pop_property (
 555                 scm_string_to_symbol ($2), $4);
 556         }
 557         | translator_spec_body NAME STRING  {
 558                 unsmob_translator_def ($$)->type_name_ = $3;
 559         }
 560         | translator_spec_body CONSISTS STRING  {
 561                 unsmob_translator_def ($$)->add_element ($3);
 562         }
 563         | translator_spec_body ALIAS STRING  {
 564                 Translator_def*td = unsmob_translator_def ($$);
 565                 td->type_aliases_ = scm_cons ($3, td->type_aliases_);
 566         }
 567         | translator_spec_body GROBDESCRIPTIONS embedded_scm {
 568                 Translator_def*td = unsmob_translator_def($$);
 569                 // td->add_property_assign (ly_symbol2scm ("allGrobDescriptions"), $3);
 570                 for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p))
 571                         td->add_property_assign (scm_symbol_to_string (ly_caar (p)), ly_cdar (p));
 572         }
 573         | translator_spec_body CONSISTSEND STRING  {
 574                 unsmob_translator_def ($$)->add_last_element ( $3);
 575         }
 576         | translator_spec_body ACCEPTS STRING  {
 577                 unsmob_translator_def ($$)->set_acceptor ($3,true);
 578         }
 579         | translator_spec_body DENIES STRING  {
 580                 unsmob_translator_def ($$)->set_acceptor ($3,false);
 581         }
 582         | translator_spec_body REMOVE STRING  {
 583                 unsmob_translator_def ($$)->remove_element ($3);
 584         }
 585         ;
 586
 587 /*
 588         SCORE
 589 */
 590 score_block:
 591         SCORE {
 592                 THIS->push_spot ();
 593         }
 594         /*cont*/ '{' score_body '}'     {
 595                 THIS->pop_spot ();
 596                 $$ = $4;
 597                 if (!$$->defs_.size ())
 598                 {
 599                   Music_output_def *id =
 600                         unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 601                   $$->add_output (id ? id->clone () :  new Paper_def );
 602                 }
 603         }
 604         ;
 605
 606 score_body:
 607         Music   {
 608                 $$ = new Score;
 609
 610                 $$->set_spot (THIS->here_input ());
 611                 SCM m = $1->self_scm ();
 612                 scm_gc_unprotect_object (m);
 613
 614                 /*
 615                         guh.
 616                 */
 617                 SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
 618                 for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
 619                         m = gh_call1 (gh_car (check_funcs), m);
 620                 $$->music_ = m;
 621
 622         }
 623         | SCORE_IDENTIFIER {
 624                 $$ = unsmob_score ($1);
 625                 $$->set_spot (THIS->here_input ());
 626         }
 627         | score_body lilypond_header    {
 628                 $$->header_ = $2;
 629         }
 630         | score_body output_def {
 631                 $$->add_output ($2);
 632         }
 633         | score_body error {
 634
 635         }
 636         ;
 637
 638
 639 /*
 640         MIDI
 641 */
 642 output_def:
 643         music_output_def_body '}' {
 644                 $$ = $1;
 645                 THIS-> lexer_-> remove_scope ();
 646         }
 647         ;
 648
 649 music_output_def_body:
 650         MIDI '{'    {
 651                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 652
 653
 654                 Midi_def* p =0;
 655                 if (id)
 656                         p = dynamic_cast<Midi_def*> (id->clone ());
 657                 else
 658                         p = new Midi_def;
 659
 660                 $$ = p;
 661                 THIS->lexer_->add_scope (p->scope_);
 662         }
 663         | PAPER '{'     {
 664                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 665                   Paper_def *p = 0;
 666                 if (id)
 667                         p = dynamic_cast<Paper_def*> (id->clone ());
 668                 else
 669                         p = new Paper_def;
 670
 671                 THIS->lexer_->add_scope (p->scope_);
 672                 $$ = p;
 673         }
 674         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 675                 Music_output_def * o =  unsmob_music_output_def ($3);
 676                 $$ =o;
 677
 678                 THIS->lexer_->add_scope (o->scope_);
 679         }
 680         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
 681                 Music_output_def * o =  unsmob_music_output_def ($3);
 682                 $$ = o;
 683
 684                 THIS->lexer_->add_scope (o->scope_);
 685         }
 686         | music_output_def_body assignment  {
 687
 688         }
 689         | music_output_def_body translator_spec_block   {
 690                 $$->assign_translator ($2);
 691         }
 692         | music_output_def_body tempo_event  {
 693                 /*
 694                         junk this ? there already is tempo stuff in
 695                         music.
 696                 */
 697                 int m = gh_scm2int ( $2->get_mus_property ("metronome-count"));
 698                 Duration *d = unsmob_duration ($2->get_mus_property ("tempo-unit"));
 699                 Midi_def * md = dynamic_cast<Midi_def*> ($$);
 700                 if (md)
 701                         md->set_tempo (d->get_length (), m);
 702         }
 703         | music_output_def_body error {
 704
 705         }
 706         ;
 707
 708 tempo_event:
 709         TEMPO steno_duration '=' bare_unsigned  {
 710                 $$ = MY_MAKE_MUSIC("TempoEvent");
 711                 $$->set_mus_property ("tempo-unit", $2);
 712                 $$->set_mus_property ("metronome-count", gh_int2scm ( $4));
 713         }
 714         ;
 715
 716 /*
 717 The representation of a  list is the
 718
 719   (LIST . LAST-CONS)
 720
 721  to have  efficient append.
 722 */
 723 Music_list:
 724         /* empty */ {
 725                 $$ = scm_cons (SCM_EOL, SCM_EOL);
 726         }
 727         | Music_list Music {
 728                 SCM s = $$;
 729                 SCM c = scm_cons ($2->self_scm (), SCM_EOL);
 730                 scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
 731                 if (gh_pair_p (ly_cdr (s)))
 732                         gh_set_cdr_x (ly_cdr (s), c); /* append */
 733                 else
 734                         gh_set_car_x (s, c); /* set first cons */
 735                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 736         }
 737         | Music_list error {
 738         }
 739         ;
 740
 741
 742 Music:
 743         Simple_music
 744         | Composite_music
 745         ;
 746
 747 Alternative_music:
 748         /* empty */ {
 749                 $$ = SCM_EOL;
 750         }
 751         | ALTERNATIVE '{' Music_list '}' {
 752                 $$ = $3;
 753         }
 754         ;
 755
 756 Repeated_music:
 757         REPEAT string bare_unsigned Music Alternative_music
 758         {
 759                 Music *beg = $4;
 760                 int times = $3;
 761                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 762                 if (times < scm_ilength (alts)) {
 763                   unsmob_music (gh_car (alts))
 764                     ->origin ()->warning (
 765                     _("More alternatives than repeats.  Junking excess alternatives."));
 766                   alts = ly_truncate_list (times, alts);
 767                 }
 768
 769
 770                 static SCM proc;
 771                 if (!proc)
 772                         proc = scm_c_eval_string ("make-repeated-music");
 773
 774                 SCM mus = scm_call_1 (proc, $2);
 775                 scm_gc_protect_object (mus); // UGH.
 776                 Music *r =unsmob_music (mus);
 777                 if (beg)
 778                         {
 779                         r-> set_mus_property ("element", beg->self_scm ());
 780                         scm_gc_unprotect_object (beg->self_scm ());
 781                         }
 782                 r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 783
 784                 r-> set_mus_property ("elements",alts);
 785                 if (gh_equal_p ($2, scm_makfrom0str ("tremolo")))
 786                 {
 787                 /*
 788                 we can not get durations and other stuff correct down the line, so we have to
 789                 add to the duration log here.
 790                 */
 791                         SCM func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
 792                         if (($3 % 3) == 0)
 793                           gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3*2/3)),gh_int2scm(1));
 794                         else
 795                           gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3)), gh_int2scm(0));
 796                 }
 797                 r->set_spot (*$4->origin ());
 798
 799                 $$ = r;
 800         }
 801         ;
 802
 803 Sequential_music:
 804         SEQUENTIAL '{' Music_list '}'           {
 805                 $$ = MY_MAKE_MUSIC("SequentialMusic");
 806                 $$->set_mus_property ("elements", ly_car ($3));
 807                 $$->set_spot(THIS->here_input());
 808         }
 809         | '{' Music_list '}'            {
 810                 $$ = MY_MAKE_MUSIC("SequentialMusic");
 811                 $$->set_mus_property ("elements", ly_car ($2));
 812                 $$->set_spot(THIS->here_input());
 813         }
 814         ;
 815
 816 Simultaneous_music:
 817         SIMULTANEOUS '{' Music_list '}'{
 818                 $$ = MY_MAKE_MUSIC("SimultaneousMusic");
 819                 $$->set_mus_property ("elements", ly_car ($3));
 820                 $$->set_spot(THIS->here_input());
 821
 822         }
 823         | '<' Music_list '>'    {
 824                 $$ = MY_MAKE_MUSIC("SimultaneousMusic");
 825                 $$->set_mus_property ("elements", ly_car ($2));
 826                 $$->set_spot(THIS->here_input());
 827         }
 828         ;
 829
 830 Simple_music:
 831         event_chord             { $$ = $1; }
 832         | APPLYOUTPUT embedded_scm {
 833                 if (!gh_procedure_p ($2))
 834                         THIS->parser_error (_ ("\applycontext takes function argument"));
 835                 $$ = MY_MAKE_MUSIC ("ApplyOutputEvent");
 836                 $$->set_mus_property ("procedure", $2);
 837                 $$->set_spot (THIS->here_input());
 838         }
 839         | APPLYCONTEXT embedded_scm {
 840                 if (!gh_procedure_p ($2))
 841                         THIS->parser_error (_ ("\applycontext takes function argument"));
 842                 $$ = MY_MAKE_MUSIC ("ApplyContext");
 843                 $$->set_mus_property ("procedure", $2);
 844                 $$->set_spot (THIS->here_input());
 845         }
 846         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 847                 SCM pred = $2;
 848                 if (!gh_symbol_p ($3))
 849                 {
 850                         THIS->parser_error (_ ("Second argument must be a symbol"));
 851                 }
 852                 /* Should check # args */
 853                 if (!gh_procedure_p (pred))
 854                 {
 855                         THIS->parser_error (_ ("First argument must be a procedure taking one argument"));
 856                 }
 857
 858                 Music*m = MY_MAKE_MUSIC("OutputPropertySetMusic");
 859                 m->set_mus_property ("predicate", pred);
 860                 m->set_mus_property ("grob-property", $3);
 861                 m->set_mus_property ("grob-value",  $5);
 862
 863                 $$ = m;
 864         }
 865         | MUSIC_IDENTIFIER {
 866                 $$ = unsmob_music ($1);
 867         }
 868         | property_def
 869         | translator_change
 870         ;
 871
 872
 873 Composite_music:
 874         CONTEXT STRING Music    {
 875                 Music*csm =MY_MAKE_MUSIC("ContextSpeccedMusic");
 876
 877                 csm->set_mus_property ("element", $3->self_scm ());
 878                 scm_gc_unprotect_object ($3->self_scm ());
 879
 880                 csm->set_mus_property ("context-type",$2);
 881                 csm->set_mus_property ("context-id", scm_makfrom0str (""));
 882
 883                 $$ = csm;
 884         }
 885         | AUTOCHANGE STRING Music       {
 886         Music*chm = MY_MAKE_MUSIC("AutoChangeMusic");
 887                 chm->set_mus_property ("element", $3->self_scm ());
 888                 chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_proc);
 889
 890                 scm_gc_unprotect_object ($3->self_scm ());
 891                 chm->set_mus_property ("what", $2);
 892
 893                 $$ = chm;
 894                 chm->set_spot (*$3->origin ());
 895         }
 896         | GRACE Music {
 897 #if 1
 898         /*
 899                 The other version is for easier debugging  of
 900                 Sequential_music_iterator in combination with grace notes.
 901         */
 902
 903                 SCM start = THIS->lexer_->lookup_identifier ("startGraceMusic");
 904                 SCM stop = THIS->lexer_->lookup_identifier ("stopGraceMusic");
 905                 Music *startm = unsmob_music (start);
 906                 Music *stopm = unsmob_music (stop);
 907
 908                 SCM ms = SCM_EOL;
 909                 if (stopm) {
 910                         stopm = stopm->clone ();
 911                         ms = scm_cons (stopm->self_scm (), ms);
 912                         scm_gc_unprotect_object (stopm->self_scm ());
 913                 }
 914                 ms = scm_cons ($2->self_scm (), ms);
 915                 scm_gc_unprotect_object ($2->self_scm());
 916                 if (startm) {
 917                         startm = startm->clone ();
 918                         ms = scm_cons (startm->self_scm () , ms);
 919                         scm_gc_unprotect_object (startm->self_scm ());
 920                 }
 921
 922
 923                 Music* seq = MY_MAKE_MUSIC("SequentialMusic");
 924                 seq->set_mus_property ("elements", ms);
 925
 926
 927                 $$ = MY_MAKE_MUSIC("GraceMusic");
 928                 $$->set_mus_property ("element", seq->self_scm ());
 929                 scm_gc_unprotect_object (seq->self_scm ());
 930 #else
 931                 $$ = MY_MAKE_MUSIC("GraceMusic");
 932                 $$->set_mus_property ("element", $2->self_scm ());
 933                 scm_gc_unprotect_object ($2->self_scm ());
 934 #endif
 935         }
 936         | CONTEXT string '=' string Music {
 937                 Music * csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
 938
 939                 csm->set_mus_property ("element", $5->self_scm ());
 940                 scm_gc_unprotect_object ($5->self_scm ());
 941
 942                 csm->set_mus_property ("context-type", $2);
 943                 csm->set_mus_property ("context-id", $4);
 944
 945                 $$ = csm;
 946         }
 947         | TIMES {
 948                 THIS->push_spot ();
 949         }
 950         /* CONTINUED */
 951                 fraction Music
 952
 953         {
 954                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 955                 Music *mp = $4;
 956         $$= MY_MAKE_MUSIC("TimeScaledMusic");
 957                 $$->set_spot (THIS->pop_spot ());
 958
 959
 960                 $$->set_mus_property ("element", mp->self_scm ());
 961                 scm_gc_unprotect_object (mp->self_scm ());
 962                 $$->set_mus_property ("numerator", gh_int2scm (n));
 963                 $$->set_mus_property ("denominator", gh_int2scm (d));
 964                 $$->compress (Moment (Rational (n,d)));
 965
 966         }
 967         | Repeated_music                { $$ = $1; }
 968         | Simultaneous_music            { $$ = $1; }
 969         | Sequential_music              { $$ = $1; }
 970         | TRANSPOSE pitch_also_in_chords pitch_also_in_chords Music {
 971                 $$ = MY_MAKE_MUSIC("TransposedMusic");
 972                 Music *p = $4;
 973                 Pitch from = *unsmob_pitch ($2);
 974                 Pitch to = *unsmob_pitch ($3);
 975
 976                 p->transpose (interval (from, to));
 977                 $$->set_mus_property ("element", p->self_scm ());
 978                 scm_gc_unprotect_object (p->self_scm ());
 979         }
 980         | APPLY embedded_scm Music  {
 981                 SCM ret = gh_call1 ($2, $3->self_scm ());
 982                 Music *m = unsmob_music (ret);
 983                 if (!m) {
 984                         THIS->parser_error ("\\apply must return a Music");
 985                         m = MY_MAKE_MUSIC("Music");
 986                         }
 987                 $$ = m;
 988         }
 989         | NOTES
 990                 { THIS->lexer_->push_note_state (); }
 991         Music
 992                 { $$ = $3;
 993                   THIS->lexer_->pop_state ();
 994                 }
 995         | FIGURES
 996                 { THIS->lexer_->push_figuredbass_state (); }
 997         Music
 998                 {
 999                   Music * chm = MY_MAKE_MUSIC("UntransposableMusic");
1000                   chm->set_mus_property ("element", $3->self_scm ());
1001                   $$ = chm;
1002                   scm_gc_unprotect_object ($3->self_scm());
1003
1004                   THIS->lexer_->pop_state ();
1005         }
1006         | CHORDS
1007                 { THIS->lexer_->push_chord_state (); }
1008         Music
1009                 {
1010                   Music * chm = MY_MAKE_MUSIC("UnrelativableMusic");
1011                   chm->set_mus_property ("element", $3->self_scm ());
1012                   scm_gc_unprotect_object ($3->self_scm());
1013                   $$ = chm;
1014
1015                   THIS->lexer_->pop_state ();
1016         }
1017         | LYRICS
1018                 { THIS->lexer_->push_lyric_state (); }
1019         Music
1020                 {
1021                   $$ = $3;
1022                   THIS->lexer_->pop_state ();
1023         }
1024         | relative_music        { $$ = $1; }
1025         | re_rhythmed_music     { $$ = $1; }
1026         | part_combined_music   { $$ = $1; }
1027         ;
1028
1029 relative_music:
1030         RELATIVE absolute_pitch Music {
1031                 Music * p = $3;
1032                 Pitch pit = *unsmob_pitch ($2);
1033                 $$ = MY_MAKE_MUSIC("RelativeOctaveMusic");
1034
1035                 $$->set_mus_property ("element", p->self_scm ());
1036                 scm_gc_unprotect_object (p->self_scm ());
1037
1038
1039                 $$->set_mus_property ("last-pitch", p->to_relative_octave (pit).smobbed_copy ());
1040
1041         }
1042         ;
1043
1044 re_rhythmed_music:
1045         ADDLYRICS Music Music {
1046         Music*l =MY_MAKE_MUSIC("LyricCombineMusic");
1047           l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
1048           scm_gc_unprotect_object ($3->self_scm ());
1049           scm_gc_unprotect_object ($2->self_scm ());
1050           $$ = l;
1051         }
1052         ;
1053
1054 part_combined_music:
1055         PARTCOMBINE STRING Music Music {
1056         Music * p= MY_MAKE_MUSIC("PartCombineMusic");
1057                 p->set_mus_property ("what", $2);
1058                 p->set_mus_property ("elements", gh_list ($3->self_scm (),$4->self_scm (), SCM_UNDEFINED));
1059
1060                 scm_gc_unprotect_object ($3->self_scm ());
1061                 scm_gc_unprotect_object ($4->self_scm ());
1062
1063                 $$ = p;
1064         }
1065         ;
1066
1067 translator_change:
1068         TRANSLATOR STRING '=' STRING  {
1069                 Music*t= MY_MAKE_MUSIC("TranslatorChange");
1070                 t-> set_mus_property ("change-to-type", $2);
1071                 t-> set_mus_property ("change-to-id", $4);
1072
1073                 $$ = t;
1074                 $$->set_spot (THIS->here_input ());
1075         }
1076         ;
1077
1078 property_def:
1079         simple_property_def
1080         | ONCE simple_property_def {
1081                 $$ = $2;
1082                 SCM e = $2->get_mus_property ("element");
1083                 unsmob_music (e)->set_mus_property ("once", SCM_BOOL_T);
1084         }
1085         ;
1086
1087 simple_property_def:
1088         PROPERTY STRING '.' STRING '='  scalar {
1089                 Music *t = set_property_music (scm_string_to_symbol ($4), $6);
1090                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1091
1092                 csm->set_mus_property ("element", t->self_scm ());
1093                 scm_gc_unprotect_object (t->self_scm ());
1094
1095                 $$ = csm;
1096                 $$->set_spot (THIS->here_input ());
1097
1098                 csm-> set_mus_property ("context-type", $2);
1099         }
1100         | PROPERTY STRING '.' STRING UNSET {
1101
1102                 Music *t = MY_MAKE_MUSIC("PropertyUnset");
1103                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1104
1105                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1106                 csm->set_mus_property ("element", t->self_scm ());
1107                 scm_gc_unprotect_object (t->self_scm ());
1108
1109                 $$ = csm;
1110                 $$->set_spot (THIS->here_input ());
1111
1112                 csm-> set_mus_property ("context-type", $2);
1113         }
1114         | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
1115                 bool autobeam
1116                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1117                 bool itc = internal_type_checking_global_b;
1118                 Music *t = MY_MAKE_MUSIC("OverrideProperty");
1119                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1120                 t->set_mus_property ("pop-first", SCM_BOOL_T);
1121                 if (autobeam)
1122                         internal_type_checking_global_b = false;
1123                 t->set_mus_property ("grob-property", $6);
1124                 if (autobeam)
1125                         internal_type_checking_global_b = itc;
1126                 t->set_mus_property ("grob-value", $8);
1127
1128                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1129                 csm->set_mus_property ("element", t->self_scm ());
1130                 scm_gc_unprotect_object (t->self_scm ());
1131                 $$ = csm;
1132                 $$->set_spot (THIS->here_input ());
1133
1134                 csm-> set_mus_property ("context-type", $2);
1135         }
1136         | PROPERTY STRING '.' STRING OVERRIDE
1137                 embedded_scm '=' embedded_scm
1138         {
1139                 /*
1140                         UGH UGH UGH UGH.
1141                 */
1142                 bool autobeam
1143                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1144                 bool itc = internal_type_checking_global_b;
1145
1146                 Music *t = MY_MAKE_MUSIC("OverrideProperty");
1147                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1148                 if (autobeam)
1149                         internal_type_checking_global_b = false;
1150                 t->set_mus_property ("grob-property", $6);
1151                 t->set_mus_property ("grob-value", $8);
1152                 if (autobeam)
1153                         internal_type_checking_global_b = itc;
1154
1155                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1156                 csm->set_mus_property ("element", t->self_scm ());
1157                 scm_gc_unprotect_object (t->self_scm ());
1158
1159                 $$ = csm;
1160                 $$->set_spot (THIS->here_input ());
1161
1162                 csm-> set_mus_property ("context-type", $2);
1163
1164         }
1165         | PROPERTY STRING '.' STRING REVERT embedded_scm {
1166                 Music *t = MY_MAKE_MUSIC("RevertProperty");
1167                 bool autobeam
1168                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1169                 bool itc = internal_type_checking_global_b;
1170
1171                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1172                 if (autobeam)
1173                         internal_type_checking_global_b = false;
1174                 t->set_mus_property ("grob-property", $6);
1175                 if (autobeam)
1176                         internal_type_checking_global_b = itc;
1177
1178                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1179                 csm->set_mus_property ("element", t->self_scm ());
1180                 scm_gc_unprotect_object (t->self_scm ());
1181
1182                 $$ = csm;
1183                 $$->set_spot (THIS->here_input ());
1184
1185                 csm-> set_mus_property ("context-type", $2);
1186         }
1187         ;
1188
1189
1190 scalar:
1191         string          { $$ = $1; }
1192         | bare_int      { $$ = gh_int2scm ($1); }
1193         | embedded_scm  { $$ = $1; }
1194         | full_markup {  $$ = $1; }
1195         | DIGIT { $$ = gh_int2scm ($1); }
1196         ;
1197
1198
1199 event_chord:
1200         pre_events {
1201                 THIS->push_spot ();
1202         } /*cont */ simple_element post_events  {
1203                 SCM elts = $3-> get_mus_property ("elements");
1204
1205                 elts = gh_append3 (elts, scm_reverse_x ($1, SCM_EOL),
1206                                    scm_reverse_x ($4, SCM_EOL));
1207
1208                 $3-> set_mus_property ("elements", elts);
1209                 $$ = $3;
1210         }
1211         | command_element
1212         | note_chord_element
1213         ;
1214
1215
1216 note_chord_element:
1217         chord_body optional_notemode_duration post_events
1218         {
1219                 SCM dur = unsmob_duration ($2)->smobbed_copy();
1220                 SCM es = $1->get_mus_property ("elements");
1221                 SCM postevs = scm_reverse_x ($3, SCM_EOL);
1222
1223                 for (SCM s = es; gh_pair_p (s); s = gh_cdr (s))
1224                   unsmob_music (gh_car(s))->set_mus_property ("duration", dur);
1225                 es = gh_append2 (es, postevs);
1226
1227                 $1-> set_mus_property ("elements", es);
1228                 $$ = $1;
1229         }
1230         ;
1231
1232 chord_body:
1233         CHORD_OPEN chord_body_elements CHORD_CLOSE
1234         {
1235                 $$ = MY_MAKE_MUSIC("EventChord");
1236                 $$->set_mus_property ("elements",
1237                         scm_reverse_x ($2, SCM_EOL));
1238         }
1239         ;
1240
1241 chord_body_elements:
1242         /* empty */             { $$ = SCM_EOL; }
1243         | chord_body_elements chord_body_element {
1244                 $$ = gh_cons ($2->self_scm(), $1);
1245                 scm_gc_unprotect_object ($2->self_scm());
1246         }
1247         ;
1248
1249 chord_body_element:
1250         pitch exclamations questions post_events
1251         {
1252                 Music * n = MY_MAKE_MUSIC("NoteEvent");
1253                 n->set_mus_property ("pitch", $1);
1254                 if ($3 % 2)
1255                         n->set_mus_property ("cautionary", SCM_BOOL_T);
1256                 if ($2 % 2 || $3 % 2)
1257                         n->set_mus_property ("force-accidental", SCM_BOOL_T);
1258
1259                 SCM arts = scm_reverse_x ($4, SCM_EOL);
1260                 n->set_mus_property ("articulations", arts);
1261
1262                 $$ = n;
1263         }
1264         ;
1265
1266 command_element:
1267         command_req {
1268                 $$ = MY_MAKE_MUSIC("EventChord");
1269                 $$->set_mus_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
1270           scm_gc_unprotect_object ($1->self_scm());
1271
1272                 $$-> set_spot (THIS->here_input ());
1273                 $1-> set_spot (THIS->here_input ());
1274         }
1275         | E_LEFTSQUARE {
1276                 Music *l = MY_MAKE_MUSIC("LigatureEvent");
1277                 l->set_mus_property ("span-direction", gh_int2scm (START));
1278                 l->set_spot (THIS->here_input ());
1279
1280                 $$ = MY_MAKE_MUSIC("EventChord");
1281                 $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1282                 scm_gc_unprotect_object (l->self_scm());
1283                 $$->set_spot (THIS->here_input ());
1284         }
1285         | E_RIGHTSQUARE {
1286                 Music *l = MY_MAKE_MUSIC("LigatureEvent");
1287                 l->set_mus_property ("span-direction", gh_int2scm (STOP));
1288                 l->set_spot (THIS->here_input ());
1289
1290                 $$ = MY_MAKE_MUSIC("EventChord");
1291                 $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1292                 $$->set_spot (THIS->here_input ());
1293                 scm_gc_unprotect_object (l->self_scm());
1294         }
1295         | E_BACKSLASH {
1296                 $$ = MY_MAKE_MUSIC("VoiceSeparator");
1297                 $$->set_spot (THIS->here_input ());
1298         }
1299         | '|'      {
1300
1301                 $$ = MY_MAKE_MUSIC("BarCheck");
1302                 $$->set_spot (THIS->here_input ());
1303         }
1304         | BAR STRING                    {
1305                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1306
1307                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1308                 csm->set_mus_property ("element", t->self_scm ());
1309                 scm_gc_unprotect_object (t->self_scm ());
1310
1311                 $$ = csm;
1312                 $$->set_spot (THIS->here_input ());
1313
1314                 csm->set_mus_property ("context-type", scm_makfrom0str ("Timing"));
1315         }
1316         | PARTIAL duration_length       {
1317                 Moment m = - unsmob_duration ($2)->get_length ();
1318                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1319
1320                 Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
1321                 sp->set_mus_property ("element", p->self_scm ());
1322                 scm_gc_unprotect_object (p->self_scm ());
1323
1324                 $$ =sp ;
1325                 sp-> set_mus_property ("context-type", scm_makfrom0str ("Timing"));
1326         }
1327         | CLEF STRING  {
1328                 static SCM proc ;
1329                 if (!proc)
1330                         proc = scm_c_eval_string ("make-clef-set");
1331
1332                 SCM result = scm_call_1 (proc, $2);
1333                 scm_gc_protect_object (result);
1334                 $$ = unsmob_music (result);
1335         }
1336         | TIME_T fraction  {
1337                 static SCM proc;
1338                 if (!proc)
1339                         proc = scm_c_eval_string ("make-time-signature-set");
1340
1341                 SCM result = scm_apply_2   (proc, gh_car ($2), gh_cdr ($2), SCM_EOL);
1342                 scm_gc_protect_object (result);
1343                 $$ = unsmob_music (result);
1344         }
1345         ;
1346
1347 command_req:
1348         shorthand_command_req   { $$ = $1; }
1349         | verbose_command_req   { $$ = $1; }
1350         ;
1351
1352 shorthand_command_req:
1353         extender_req {
1354                 $$ = $1;
1355         }
1356         | hyphen_req {
1357                 $$ = $1;
1358         }
1359         | '~'   {
1360                 $$ = MY_MAKE_MUSIC("TieEvent");
1361         }
1362         | '['           {
1363                 Music *b= MY_MAKE_MUSIC("BeamEvent");
1364                 b->set_mus_property ("span-direction", gh_int2scm (START));
1365                 $$ = b;
1366
1367                 THIS->last_beam_start_ = b->self_scm ();
1368         }
1369         | ']'           {
1370                 Music *b= MY_MAKE_MUSIC("BeamEvent");
1371                 b->set_mus_property ("span-direction", gh_int2scm (STOP));
1372                 $$ = b;
1373         }
1374         | BREATHE {
1375                 $$ = MY_MAKE_MUSIC("BreathingSignEvent");
1376         }
1377         | E_TILDE {
1378                 $$ = MY_MAKE_MUSIC("PesOrFlexaEvent");
1379         }
1380         ;
1381
1382 verbose_command_req:
1383         MARK DEFAULT  {
1384                 Music * m = MY_MAKE_MUSIC("MarkEvent");
1385                 $$ = m;
1386         }
1387         | MARK scalar {
1388                 Music *m = MY_MAKE_MUSIC("MarkEvent");
1389                 m->set_mus_property ("label", $2);
1390                 $$ = m;
1391         }
1392         | SKIP duration_length {
1393                 Music * skip = MY_MAKE_MUSIC("SkipEvent");
1394                 skip->set_mus_property ("duration", $2);
1395
1396                 $$ = skip;
1397         }
1398         | tempo_event {
1399                 $$ = $1;
1400         }
1401         | KEY DEFAULT {
1402                 Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
1403                 $$ = key;
1404         }
1405         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1406                 Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
1407
1408                 key->set_mus_property ("pitch-alist", $3);
1409                 key->set_mus_property ("tonic", Pitch (0,0,0).smobbed_copy());
1410                 ((Music*)key)->transpose (* unsmob_pitch ($2));
1411
1412                 $$ = key;
1413         }
1414         ;
1415
1416 post_events:
1417         /* empty */ {
1418                 $$ = SCM_EOL;
1419         }
1420         | post_events post_event {
1421                 $2->set_spot (THIS->here_input ());
1422                 $$ = gh_cons ($2->self_scm(), $$);
1423                 scm_gc_unprotect_object ($2->self_scm());
1424         }
1425         ;
1426
1427 post_event:
1428         verbose_event
1429         | event_with_dir
1430         | close_event
1431         | string_event
1432         ;
1433
1434 string_event:
1435         E_UNSIGNED {
1436                 Music * s = MY_MAKE_MUSIC("StringNumberEvent");
1437                 s->set_mus_property ("string-number",  gh_int2scm($1));
1438                 s->set_spot (THIS->here_input ());
1439                 $$ = s;
1440         }
1441         ;
1442
1443
1444 event_that_take_dir:
1445         gen_text_def
1446         | verbose_event
1447         | close_event
1448         | open_event
1449         | '['  {
1450                 Music * m = MY_MAKE_MUSIC ("NewBeamEvent");
1451                 m->set_spot (THIS->here_input());
1452                 m->set_mus_property ("span-direction" , gh_int2scm (START));
1453                 $$ = m;
1454         }
1455         | ']'  {
1456                 Music * m = MY_MAKE_MUSIC ("NewBeamEvent");
1457                 m->set_spot (THIS->here_input());
1458                 m->set_mus_property ("span-direction" , gh_int2scm (STOP));
1459                 $$ = m;
1460         }
1461         | '~' {
1462                 Music * m = MY_MAKE_MUSIC ("NewTieEvent");
1463                 m->set_spot (THIS->here_input());
1464                 $$ = m;
1465         }
1466         | script_abbreviation {
1467                 SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
1468                 Music *a = MY_MAKE_MUSIC("ArticulationEvent");
1469                 if (gh_string_p (s))
1470                         a->set_mus_property ("articulation-type", s);
1471                 else THIS->parser_error (_ ("Expecting string as script definition"));
1472                 $$ = a;
1473         }
1474         ;
1475
1476 event_with_dir:
1477         script_dir event_that_take_dir  {
1478                 $2->set_mus_property ("direction", gh_int2scm ($1));
1479                 $$ = $2;
1480         }
1481         ;
1482
1483 verbose_event:
1484         EVENT_IDENTIFIER        {
1485                 $$ = unsmob_music ($1);
1486         }
1487         | tremolo_type  {
1488                Music * a = MY_MAKE_MUSIC("TremoloEvent");
1489                a->set_spot (THIS->here_input ());
1490                a->set_mus_property ("tremolo-type", gh_int2scm ($1));
1491                $$ = a;
1492         }
1493         ;
1494
1495 sup_quotes:
1496         '\'' {
1497                 $$ = 1;
1498         }
1499         | sup_quotes '\'' {
1500                 $$ ++;
1501         }
1502         ;
1503
1504 sub_quotes:
1505         ',' {
1506                 $$ = 1;
1507         }
1508         | sub_quotes ',' {
1509                 $$ ++ ;
1510         }
1511         ;
1512
1513 steno_pitch:
1514         NOTENAME_PITCH  {
1515                 $$ = $1;
1516         }
1517         | NOTENAME_PITCH sup_quotes     {
1518                 Pitch p = *unsmob_pitch ($1);
1519                 p = p.transposed (Pitch ($2,0,0));
1520                 $$ = p.smobbed_copy ();
1521         }
1522         | NOTENAME_PITCH sub_quotes      {
1523                 Pitch p =* unsmob_pitch ($1);
1524                 p = p.transposed (Pitch (-$2,0,0));
1525                 $$ = p.smobbed_copy ();
1526         }
1527         ;
1528
1529 /*
1530 ugh. duplication
1531 */
1532
1533 steno_tonic_pitch:
1534         TONICNAME_PITCH {
1535                 $$ = $1;
1536         }
1537         | TONICNAME_PITCH sup_quotes    {
1538                 Pitch p = *unsmob_pitch ($1);
1539                 p = p.transposed (Pitch ($2,0,0));
1540                 $$ = p.smobbed_copy ();
1541         }
1542         | TONICNAME_PITCH sub_quotes     {
1543                 Pitch p =* unsmob_pitch ($1);
1544
1545                 p = p.transposed (Pitch (-$2,0,0));
1546                 $$ = p.smobbed_copy ();
1547         }
1548         ;
1549
1550 pitch:
1551         steno_pitch {
1552                 $$ = $1;
1553         }
1554         | explicit_pitch {
1555                 $$ = $1;
1556         }
1557         ;
1558
1559 pitch_also_in_chords:
1560         pitch
1561         | steno_tonic_pitch
1562         ;
1563
1564 explicit_pitch:
1565         PITCH embedded_scm {
1566                 $$ = $2;
1567                 if (!unsmob_pitch ($2)) {
1568                         THIS->parser_error (_f ("Expecting musical-pitch value", 3));
1569                          $$ = Pitch ().smobbed_copy ();
1570                 }
1571         }
1572         ;
1573
1574 verbose_duration:
1575         DURATION embedded_scm   {
1576                 $$ = $2;
1577                 if (!unsmob_duration ($2))
1578                 {
1579                         THIS->parser_error (_ ("Must have duration object"));
1580                         $$ = Duration ().smobbed_copy ();
1581                 }
1582         }
1583         ;
1584
1585 extender_req:
1586         EXTENDER {
1587                 if (!THIS->lexer_->lyric_state_b ())
1588                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1589                 $$ = MY_MAKE_MUSIC("ExtenderEvent");
1590         }
1591         ;
1592
1593 hyphen_req:
1594         HYPHEN {
1595                 if (!THIS->lexer_->lyric_state_b ())
1596                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1597                 $$ = MY_MAKE_MUSIC("HyphenEvent");
1598         }
1599         ;
1600
1601 close_event:
1602         close_event_parens {
1603                 $$ = $1;
1604                 dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (START))
1605 ;
1606         }
1607         ;
1608
1609 close_event_parens:
1610         '('     {
1611                 Music * s= MY_MAKE_MUSIC("SlurEvent");
1612                 $$ = s;
1613                 s->set_spot (THIS->here_input());
1614         }
1615         | E_OPEN        {
1616                 Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
1617                 $$ = s;
1618                 s->set_spot (THIS->here_input());
1619         }
1620         | E_SMALLER {
1621                 Music *s =MY_MAKE_MUSIC("CrescendoEvent");
1622                 $$ = s;
1623                 s->set_spot (THIS->here_input());
1624         }
1625         | E_BIGGER {
1626                 Music *s =MY_MAKE_MUSIC("DecrescendoEvent");
1627                 $$ = s;
1628                 s->set_spot (THIS->here_input());
1629         }
1630         ;
1631
1632
1633 open_event:
1634         open_event_parens {
1635                 $$ = $1;
1636                 dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (STOP))
1637 ;
1638         }
1639         ;
1640
1641 open_event_parens:
1642         E_EXCLAMATION   {
1643                 Music *s =  MY_MAKE_MUSIC("CrescendoEvent");
1644                 s->set_spot (THIS->here_input());
1645
1646                 $$ = s;
1647         }
1648         | ')'   {
1649                 Music * s= MY_MAKE_MUSIC("SlurEvent");
1650                 $$ = s;
1651                 s->set_spot (THIS->here_input());
1652
1653         }
1654         | E_CLOSE       {
1655                 Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
1656                 $$ = s;
1657                 s->set_mus_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
1658                 s->set_spot (THIS->here_input());
1659         }
1660         ;
1661
1662 gen_text_def:
1663         embedded_scm {
1664                 Music *t = MY_MAKE_MUSIC("TextScriptEvent");
1665                 t->set_mus_property ("text", $1);
1666                 t->set_spot (THIS->here_input ());
1667                 $$ = t;
1668         }
1669         | full_markup {
1670                 Music *t = MY_MAKE_MUSIC("TextScriptEvent");
1671                 t->set_mus_property ("text", $1);
1672                 t->set_spot (THIS->here_input ());
1673                 $$ = t;
1674         }
1675         | string {
1676                 Music *t = MY_MAKE_MUSIC("TextScriptEvent");
1677                 t->set_mus_property ("text", make_simple_markup ($1));
1678                 t->set_spot (THIS->here_input ());
1679                 $$ = t;
1680
1681         }
1682         | DIGIT {
1683                 Music * t = MY_MAKE_MUSIC("FingerEvent");
1684                 t->set_mus_property ("digit",  gh_int2scm ($1));
1685                 t->set_spot (THIS->here_input ());
1686                 $$ = t;
1687         }
1688         ;
1689
1690 script_abbreviation:
1691         '^'             {
1692                 $$ = scm_makfrom0str ("Hat");
1693         }
1694         | '+'           {
1695                 $$ = scm_makfrom0str ("Plus");
1696         }
1697         | '-'           {
1698                 $$ = scm_makfrom0str ("Dash");
1699         }
1700         | '|'           {
1701                 $$ = scm_makfrom0str ("Bar");
1702         }
1703         | '>'           {
1704                 $$ = scm_makfrom0str ("Larger");
1705         }
1706         | '.'           {
1707                 $$ = scm_makfrom0str ("Dot");
1708         }
1709         | '_' {
1710                 $$ = scm_makfrom0str ("Underscore");
1711         }
1712         ;
1713
1714 script_dir:
1715         '_'     { $$ = DOWN; }
1716         | '^'   { $$ = UP; }
1717         | '-'   { $$ = CENTER; }
1718         ;
1719
1720 pre_events:
1721         /* empty */ {
1722                 $$ = SCM_EOL;
1723         }
1724         | pre_events open_event {
1725                 $$ = gh_cons ($2->self_scm(), $$);
1726                 scm_gc_unprotect_object ($2->self_scm());
1727         }
1728         ;
1729
1730 absolute_pitch:
1731         steno_pitch     {
1732                 $$ = $1;
1733         }
1734         ;
1735
1736 duration_length:
1737         multiplied_duration {
1738                 $$ = $1;
1739         }
1740         | verbose_duration {
1741                 $$ = $1;
1742         }
1743         ;
1744
1745 optional_notemode_duration:
1746         {
1747                 Duration dd = THIS->default_duration_;
1748                 $$ = dd.smobbed_copy ();
1749
1750                 THIS->beam_check ($$);
1751         }
1752         | multiplied_duration   {
1753                 $$ = $1;
1754                 THIS->default_duration_ = *unsmob_duration ($$);
1755
1756                 THIS->beam_check ($$);
1757         }
1758         | verbose_duration {
1759                 $$ = $1;
1760                 THIS->default_duration_ = *unsmob_duration ($$);
1761         }
1762         ;
1763
1764 steno_duration:
1765         bare_unsigned dots              {
1766                 int l = 0;
1767                 if (!is_duration_b ($1))
1768                         THIS->parser_error (_f ("not a duration: %d", $1));
1769                 else
1770                         l =  intlog2 ($1);
1771
1772                 $$ = Duration (l, $2).smobbed_copy ();
1773         }
1774         | DURATION_IDENTIFIER dots      {
1775                 Duration *d =unsmob_duration ($1);
1776                 Duration k (d->duration_log (),d->dot_count () + $2);
1777
1778                 *d = k;
1779                 $$ = $1;
1780         }
1781         ;
1782
1783
1784
1785
1786 multiplied_duration:
1787         steno_duration {
1788                 $$ = $1;
1789         }
1790         | multiplied_duration '*' bare_unsigned {
1791                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1792         }
1793         | multiplied_duration '*' FRACTION {
1794                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1795
1796                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1797         }
1798         ;
1799
1800 fraction:
1801         FRACTION { $$ = $1; }
1802         | UNSIGNED '/' UNSIGNED {
1803                 $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
1804         }
1805         ;
1806
1807 dots:
1808         /* empty */     {
1809                 $$ = 0;
1810         }
1811         | dots '.' {
1812                 $$ ++;
1813         }
1814         ;
1815
1816
1817 tremolo_type:
1818         ':'     {
1819                 $$ =0;
1820         }
1821         | ':' bare_unsigned {
1822                 if (!is_duration_b ($2))
1823                         THIS->parser_error (_f ("not a duration: %d", $2));
1824                 $$ = $2;
1825         }
1826         ;
1827
1828
1829
1830 /*****************************************************************
1831                 BASS FIGURES
1832 *****************************************************************/
1833 bass_number:
1834         DIGIT
1835         | UNSIGNED
1836         ;
1837
1838 bass_mod:
1839         '-'     { $$ = -1; }
1840         | '+'   { $$ = 1; }
1841         | '!'   { $$ = 0; }
1842         ;
1843
1844 bass_figure:
1845         FIGURE_SPACE {
1846                 Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
1847                 $$ = bfr->self_scm();
1848                 scm_gc_unprotect_object ($$);
1849         }
1850         | bass_number  {
1851                 Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
1852                 $$ = bfr->self_scm();
1853
1854                 bfr->set_mus_property ("figure", gh_int2scm ($1));
1855
1856                 scm_gc_unprotect_object ($$);
1857         }
1858         | bass_figure bass_mod {
1859                 Music *m = unsmob_music ($1);
1860                 if ($2) {
1861                         SCM salter =m->get_mus_property ("alteration");
1862                         int alter = gh_number_p ( salter) ? gh_scm2int (salter) : 0;
1863                         m->set_mus_property ("alteration",
1864                                 gh_int2scm (alter + $2));
1865                 } else {
1866                         m->set_mus_property ("alteration", gh_int2scm (0));
1867                 }
1868         }
1869         ;
1870
1871 br_bass_figure:
1872         '[' bass_figure {
1873                 $$ = $2;
1874                 unsmob_music ($$)->set_mus_property ("bracket-start", SCM_BOOL_T);
1875         }
1876         | bass_figure   {
1877                 $$ = $1;
1878         }
1879         | br_bass_figure ']' {
1880                 $$ = $1;
1881                 unsmob_music ($1)->set_mus_property ("bracket-stop", SCM_BOOL_T);
1882         }
1883         ;
1884
1885 figure_list:
1886         /**/            {
1887                 $$ = SCM_EOL;
1888         }
1889         | figure_list br_bass_figure {
1890                 $$ = scm_cons ($2, $1);
1891         }
1892         ;
1893
1894 figure_spec:
1895         FIGURE_OPEN figure_list FIGURE_CLOSE {
1896                 Music * m = MY_MAKE_MUSIC("EventChord");
1897                 $2 = scm_reverse_x ($2, SCM_EOL);
1898                 m->set_mus_property ("elements",  $2);
1899                 $$ = m->self_scm ();
1900         }
1901         ;
1902
1903
1904 optional_rest:
1905         /**/   { $$ = 0; }
1906         | REST { $$ = 1; }
1907         ;
1908
1909 simple_element:
1910         pitch exclamations questions optional_notemode_duration optional_rest {
1911
1912                 Input i = THIS->pop_spot ();
1913                 if (!THIS->lexer_->note_state_b ())
1914                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1915
1916                 Music *n = 0;
1917                 if ($5)
1918                         n =  MY_MAKE_MUSIC("RestEvent");
1919                 else
1920                         n =  MY_MAKE_MUSIC("NoteEvent");
1921
1922                 n->set_mus_property ("pitch", $1);
1923                 n->set_mus_property ("duration", $4);
1924
1925
1926                 if ($3 % 2)
1927                         n->set_mus_property ("cautionary", SCM_BOOL_T);
1928                 if ($2 % 2 || $3 % 2)
1929                         n->set_mus_property ("force-accidental", SCM_BOOL_T);
1930
1931                 Music *v = MY_MAKE_MUSIC("EventChord");
1932                 v->set_mus_property ("elements", scm_list_n (n->self_scm (), SCM_UNDEFINED));
1933                 scm_gc_unprotect_object (n->self_scm());
1934
1935                 v->set_spot (i);
1936                 n->set_spot (i);
1937                 $$ = v;
1938         }
1939         | figure_spec optional_notemode_duration {
1940                 Music * m = unsmob_music ($1);
1941                 Input i = THIS->pop_spot ();
1942                 m->set_spot (i);
1943                 for (SCM s = m->get_mus_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
1944                 {
1945                         unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
1946                 }
1947                 $$ = m;
1948         }
1949         | RESTNAME optional_notemode_duration           {
1950
1951                 Input i = THIS->pop_spot ();
1952                 Music * ev = 0;
1953                 if (ly_scm2string ($1) =="s") {
1954                         /* Space */
1955                         ev = MY_MAKE_MUSIC("SkipEvent");
1956                   }
1957                 else {
1958                         ev = MY_MAKE_MUSIC("RestEvent");
1959
1960                     }
1961                 ev->set_mus_property ("duration" ,$2);
1962                 ev->set_spot (i);
1963                 Music * velt = MY_MAKE_MUSIC("EventChord");
1964                 velt->set_mus_property ("elements", scm_list_n (ev->self_scm (),SCM_UNDEFINED));
1965                 velt->set_spot (i);
1966
1967                 $$ = velt;
1968         }
1969         | MULTI_MEASURE_REST optional_notemode_duration         {
1970                 THIS->pop_spot ();
1971
1972                 static SCM proc ;
1973                 if (!proc)
1974                         proc = scm_c_eval_string ("make-multi-measure-rest");
1975
1976                 SCM mus = scm_call_2 (proc, $2,
1977                         make_input (THIS->here_input()));
1978                 scm_gc_protect_object (mus);
1979                 $$ = unsmob_music (mus);
1980         }
1981         | STRING optional_notemode_duration     {
1982                 Input i = THIS->pop_spot ();
1983
1984                 Music * lreq = MY_MAKE_MUSIC("LyricEvent");
1985                 lreq->set_mus_property ("text", $1);
1986                 lreq->set_mus_property ("duration",$2);
1987                 lreq->set_spot (i);
1988                 Music * velt = MY_MAKE_MUSIC("EventChord");
1989                 velt->set_mus_property ("elements", scm_list_n (lreq->self_scm (), SCM_UNDEFINED));
1990
1991                 $$= velt;
1992         }
1993         | new_chord {
1994                 THIS->pop_spot ();
1995
1996                 if (!THIS->lexer_->chord_state_b ())
1997                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1998                 $$ = unsmob_music ($1);
1999         }
2000         ;
2001
2002 new_chord:
2003         steno_tonic_pitch optional_notemode_duration   {
2004                 $$ = make_chord ($1, $2, SCM_EOL);
2005         }
2006         | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
2007                 SCM its = scm_reverse_x ($4, SCM_EOL);
2008                 $$ = make_chord ($1, $2, gh_cons ($3, its));
2009         }
2010         ;
2011
2012 chord_items:
2013         /**/ {
2014                 $$ = SCM_EOL;
2015         }
2016         | chord_items chord_item {
2017                 $$ = gh_cons ($2, $$);
2018         }
2019         ;
2020
2021 chord_separator:
2022         CHORD_COLON {
2023                 $$ = ly_symbol2scm ("chord-colon");
2024         }
2025         | CHORD_CARET {
2026                 $$ = ly_symbol2scm ("chord-caret");
2027         }
2028         | CHORD_SLASH steno_tonic_pitch {
2029                 $$ = scm_list_n (ly_symbol2scm ("chord-slash"), $2, SCM_UNDEFINED);
2030         }
2031         | CHORD_BASS steno_tonic_pitch {
2032                 $$ = scm_list_n (ly_symbol2scm ("chord-bass"), $2, SCM_UNDEFINED);
2033         }
2034         ;
2035
2036 chord_item:
2037         chord_separator {
2038                 $$ = $1;
2039         }
2040         | step_numbers {
2041                 $$ = scm_reverse_x ($1, SCM_EOL);
2042         }
2043         | CHORD_MODIFIER  {
2044                 $$ = $1;
2045         }
2046         ;
2047
2048 step_numbers:
2049         step_number { $$ = gh_cons ($1, SCM_EOL); }
2050         | step_numbers '.' step_number {
2051                 $$ = gh_cons ($3, $$);
2052         }
2053         ;
2054
2055 step_number:
2056         bare_unsigned {
2057                 $$ = make_chord_step ($1, 0);
2058         }
2059         | bare_unsigned '+' {
2060                 $$ = make_chord_step ($1, 1);
2061         }
2062         | bare_unsigned CHORD_MINUS {
2063                 $$ = make_chord_step ($1,-1);
2064         }
2065         ;
2066
2067 /*
2068         UTILITIES
2069  */
2070 number_expression:
2071         number_expression '+' number_term {
2072                 $$ = scm_sum ($1, $3);
2073         }
2074         | number_expression '-' number_term {
2075                 $$ = scm_difference ($1, $3);
2076         }
2077         | number_term
2078         ;
2079
2080 number_term:
2081         number_factor {
2082                 $$ = $1;
2083         }
2084         | number_factor '*' number_factor {
2085                 $$ = scm_product ($1, $3);
2086         }
2087         | number_factor '/' number_factor {
2088                 $$ = scm_divide ($1, $3);
2089         }
2090         ;
2091
2092 number_factor:
2093         '-'  number_factor { /* %prec UNARY_MINUS */
2094                 $$ = scm_difference ($2, SCM_UNDEFINED);
2095         }
2096         | bare_number
2097         ;
2098
2099
2100 bare_number:
2101         UNSIGNED        {
2102                 $$ = gh_int2scm ($1);
2103         }
2104         | REAL          {
2105                 $$ = $1;
2106         }
2107         | NUMBER_IDENTIFIER             {
2108                 $$ = $1;
2109         }
2110         | REAL NUMBER_IDENTIFIER        {
2111                 $$ = gh_double2scm (gh_scm2double ($1) * gh_scm2double ($2));
2112         }
2113         | UNSIGNED NUMBER_IDENTIFIER    {
2114                 $$ = gh_double2scm ($1 * gh_scm2double ($2));
2115         }
2116         ;
2117
2118
2119 bare_unsigned:
2120         UNSIGNED {
2121                         $$ = $1;
2122         }
2123         | DIGIT {
2124                 $$ = $1;
2125         }
2126         ;
2127
2128 bare_int:
2129         bare_number {
2130                 if (scm_integer_p ($1) == SCM_BOOL_T)
2131                 {
2132                         int k = gh_scm2int ($1);
2133                         $$ = k;
2134                 } else
2135                 {
2136                         THIS->parser_error (_ ("need integer number arg"));
2137                         $$ = 0;
2138                 }
2139         }
2140         | '-' bare_int {
2141                 $$ = -$2;
2142         }
2143         ;
2144
2145
2146 string:
2147         STRING          {
2148                 $$ = $1;
2149         }
2150         | STRING_IDENTIFIER     {
2151                 $$ = $1;
2152         }
2153         | string '+' string {
2154                 $$ = scm_string_append (scm_list_n ($1, $3, SCM_UNDEFINED));
2155         }
2156         ;
2157
2158
2159 exclamations:
2160                 { $$ = 0; }
2161         | exclamations '!'      { $$ ++; }
2162         ;
2163
2164 questions:
2165                 { $$ = 0; }
2166         | questions '?' { $$ ++; }
2167         ;
2168
2169
2170
2171 full_markup:
2172         MARKUP_IDENTIFIER {
2173                 $$ = $1;
2174         }
2175         | MARKUP
2176                 { THIS->lexer_->push_markup_state (); }
2177         markup
2178                 { $$ = $3;
2179                   THIS->lexer_->pop_state ();
2180                 }
2181         ;
2182
2183 markup:
2184         STRING {
2185                 $$ = make_simple_markup ($1);
2186         }
2187         | MARKUP_HEAD_MARKUP0 markup {
2188                 $$ = scm_list_n ($1, $2, SCM_UNDEFINED);
2189         }
2190         | MARKUP_HEAD_MARKUP0_MARKUP1 markup markup {
2191                 $$ = scm_list_n ($1, $2, $3, SCM_UNDEFINED);
2192         }
2193         | MARKUP_HEAD_SCM0_MARKUP1 SCM_T markup {
2194                 $$  = scm_list_n ($1, $2, $3, SCM_UNDEFINED);
2195         }
2196         | markup_line {
2197                 $$ = $1;
2198         }
2199         | MARKUP_HEAD_LIST0 markup_list {
2200                 $$ = scm_list_n ($1,$2, SCM_UNDEFINED);
2201         }
2202         | MARKUP_HEAD_SCM0 embedded_scm {
2203                 $$ = scm_list_n ($1, $2, SCM_UNDEFINED);
2204         }
2205         | MARKUP_HEAD_SCM0_SCM1_MARKUP2 embedded_scm embedded_scm markup {
2206                 $$ = scm_list_n ($1, $2, $3, $4, SCM_UNDEFINED);
2207         }
2208         | MARKUP_IDENTIFIER {
2209                 $$ = $1;
2210         }
2211
2212         ;
2213
2214 markup_list:
2215         CHORD_OPEN markup_list_body CHORD_CLOSE { $$ = scm_reverse_x ($2, SCM_EOL); }
2216         ;
2217
2218 markup_line:
2219         '{' markup_list_body '}' {
2220                 static SCM line ;
2221                 if (!line)
2222                         line = scm_c_eval_string ("line-markup");
2223
2224                 $$ = scm_list_n (line, scm_reverse_x ($2, SCM_EOL), SCM_UNDEFINED);
2225         }
2226         ;
2227
2228 markup_list_body:
2229         /**/ {  $$ = SCM_EOL; }
2230         | markup_list_body markup {
2231                 $$ = gh_cons ($2, $1) ;
2232         }
2233         ;
2234
2235
2236 %%
2237
2238 void
2239 My_lily_parser::set_yydebug (bool )
2240 {
2241 #if 0
2242         yydebug = 1;
2243 #endif
2244 }
2245
2246 extern My_lily_parser * current_parser;
2247
2248 void
2249 My_lily_parser::do_yyparse ()
2250 {
2251         current_parser = this;;
2252         yyparse ((void*)this);
2253 }
2254
2255
2256 /*
2257 Should make this optional?    It will also complain when you do
2258
2259         [s4]
2260
2261 which is entirely legitimate.
2262
2263 Or we can scrap it. Barchecks should detect wrong durations, and
2264 skipTypesetting speeds it up a lot.
2265 */
2266
2267 void
2268 My_lily_parser::beam_check (SCM dur)
2269 {
2270   Duration *d = unsmob_duration (dur);
2271   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2272     {
2273       Music * m = unsmob_music (last_beam_start_);
2274       m->origin ()->warning (_("Suspect duration found following this beam"));
2275     }
2276   last_beam_start_ = SCM_EOL;
2277 }
2278
2279
2280
2281 bool
2282 markup_p (SCM x)
2283 {
2284         return gh_pair_p (x)
2285                 && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature"));
2286 }
2287 /*
2288 It is a little strange, to have this function in this file, but
2289 otherwise, we have to import music classes into the lexer.
2290
2291 */
2292 int
2293 My_lily_lexer::try_special_identifiers (SCM * destination, SCM sid)
2294 {
2295         if (gh_string_p (sid)) {
2296                 *destination = sid;
2297                 return STRING_IDENTIFIER;
2298         } else if (gh_number_p (sid)) {
2299                 *destination = sid;
2300                 return NUMBER_IDENTIFIER;
2301         } else if (unsmob_translator_def (sid)) {
2302                 *destination = unsmob_translator_def (sid)->clone_scm();
2303                 return TRANSLATOR_IDENTIFIER;
2304         } else if (unsmob_score (sid)) {
2305                 Score *sc =  new Score (*unsmob_score (sid));
2306                 *destination =sc->self_scm ();
2307                 return SCORE_IDENTIFIER;
2308         } else if (Music * mus =unsmob_music (sid)) {
2309                 *destination = unsmob_music (sid)->clone ()->self_scm();
2310                 unsmob_music (*destination)->
2311                         set_mus_property ("origin", make_input (last_input_));
2312                 return dynamic_cast<Event*> (mus)
2313                         ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
2314         } else if (unsmob_duration (sid)) {
2315                 *destination = unsmob_duration (sid)->smobbed_copy();
2316                 return DURATION_IDENTIFIER;
2317         } else if (unsmob_music_output_def (sid)) {
2318                 Music_output_def *p = unsmob_music_output_def (sid);
2319                 p = p->clone ();
2320
2321                 *destination = p->self_scm();
2322                 return MUSIC_OUTPUT_DEF_IDENTIFIER;
2323         } else if (new_markup_p (sid)) {
2324                 *destination = sid;
2325                 return MARKUP_IDENTIFIER;
2326         }
2327
2328         return -1;
2329 }