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--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   9            Jan Nieuwenhuizen <janneke@gnu.org>
  10 */
  11
  12 /*
  13   Four 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 Similar problem for
  23
  24  * \markup identifier.
  25  * \markup { }
  26
  27
  28 2.  \repeat
  29         \repeat .. \alternative
  30
  31
  32     \repeat { \repeat .. \alternative }
  33
  34 or
  35
  36     \repeat { \repeat } \alternative
  37
  38 )
  39
  40 --hwn
  41
  42  */
  43
  44 /*
  45
  46 TODO:
  47
  48 * The rules for who is protecting what are very shady. Uniformise
  49   this.
  50
  51 * There are too many lexical modes?
  52
  53 */
  54
  55 #include <ctype.h>
  56 #include <stdlib.h>
  57 #include <stdio.h>
  58
  59
  60 #include "scm-option.hh"
  61 #include "context-def.hh"
  62 #include "lily-guile.hh"
  63 #include "misc.hh"
  64 #include "my-lily-lexer.hh"
  65 #include "paper-def.hh"
  66 #include "midi-def.hh"
  67 #include "main.hh"
  68 #include "file-path.hh"
  69 #include "warn.hh"
  70 #include "dimensions.hh"
  71 #include "my-lily-parser.hh"
  72 #include "score.hh"
  73 #include "input-file-results.hh"
  74 #include "input.hh"
  75 #include "lilypond-input-version.hh"
  76 #include "scm-hash.hh"
  77 #include "ly-module.hh"
  78 #include "music-sequence.hh"
  79 #include "input-smob.hh"
  80 #include "event.hh"
  81 #include "text-item.hh"
  82 #include "music-list.hh"
  83 #include "paper-book.hh"
  84
  85 #define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
  86
  87 Music *property_op_to_music (SCM op);
  88 Music *context_spec_music (SCM type, SCM id, Music * m, SCM ops_);
  89 SCM get_next_unique_context ();
  90
  91 #define YYERROR_VERBOSE 1
  92
  93 My_lily_parser* my_lily_parser;
  94 #define YYPARSE_PARAM my_lily_parser
  95 #define YYLEX_PARAM my_lily_parser
  96 #define THIS\
  97         ((My_lily_parser *) my_lily_parser)
  98
  99 #define yyerror THIS->parser_error
 100
 101 /*
 102   Add symbols to the  TAGS field of a music object.
 103 */
 104
 105 void
 106 tag_music (Music*m,  SCM tag, Input ip)
 107 {
 108         SCM tags = m->get_property ("tags");
 109         if (gh_symbol_p (tag))
 110                 tags = scm_cons (tag, tags);
 111         else if (gh_list_p (tag))
 112                 tags = gh_append2 (tag, tags);
 113         else
 114                 ip.warning (_("Tag must be symbol or list of symbols."));
 115
 116         m->set_property ("tags", tags);
 117 }
 118
 119
 120
 121 bool
 122 is_regular_identifier (SCM id)
 123 {
 124   String str = ly_scm2string (id);
 125   char const *s = str.to_str0 () ;
 126
 127   bool v = true;
 128   while (*s && v)
 129    {
 130         v = v && isalpha (*s);
 131         s++;
 132    }
 133   return v;
 134 }
 135
 136 SCM
 137 make_simple_markup (SCM a)
 138 {
 139         static SCM simple;
 140         if (!simple)
 141         simple = scm_c_eval_string ("simple-markup");
 142
 143         return scm_list_2 (simple, a);
 144 }
 145
 146
 147 bool
 148 is_is_duration (int t)
 149 {
 150   return t && t == 1 << intlog2 (t);
 151 }
 152
 153 void
 154 set_music_properties (Music *p, SCM a)
 155 {
 156   for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
 157         {
 158         p->internal_set_property (ly_caar (k), ly_cdar (k));
 159         }
 160 }
 161
 162 SCM
 163 make_chord_step (int step, int alter)
 164 {
 165         if (step == 7)
 166                 alter += FLAT;
 167
 168         while(step < 0)
 169                 step += 7;
 170         Pitch m((step -1) / 7 , (step - 1) % 7, alter);
 171         return m.smobbed_copy ();
 172 }
 173
 174
 175 SCM
 176 make_chord (SCM pitch, SCM dur, SCM modification_list)
 177 {
 178         static SCM chord_ctor;
 179         if (!chord_ctor)
 180                 chord_ctor= scm_c_eval_string ("construct-chord");
 181         SCM ch=  scm_call_3 (chord_ctor, pitch, dur, modification_list);
 182         scm_gc_protect_object (ch);
 183         return ch;
 184 }
 185
 186 /*
 187   Todo: actually also use apply iso. call too ...
 188 */
 189 bool
 190 ly_input_procedure_p (SCM x)
 191 {
 192         return gh_procedure_p (x)
 193                 || (gh_pair_p (x) && gh_procedure_p (gh_car (x)));
 194 }
 195
 196 Music*
 197 set_property_music (SCM sym, SCM value)
 198 {
 199         Music * p = MY_MAKE_MUSIC ("PropertySet");
 200         p->set_property ("symbol", sym);
 201         p->set_property ("value", value);
 202         return p;
 203 }
 204
 205 %}
 206
 207 /* We use SCMs to do strings, because it saves us the trouble of
 208 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 209 of the parse stack onto the heap. */
 210
 211
 212 %union {
 213         String * string;
 214     Music *music;
 215     Score *score;
 216     Music_output_def * outputdef;
 217     SCM scm;
 218     int i;
 219 }
 220 %{
 221
 222 int
 223 yylex (YYSTYPE *s,  void * v)
 224 {
 225         My_lily_parser   *pars = (My_lily_parser*) v;
 226         My_lily_lexer * lex = pars->lexer_;
 227
 228         lex->lexval = (void*) s;
 229         lex->prepare_for_next_token ();
 230         return lex->yylex ();
 231 }
 232
 233
 234 %}
 235
 236 %pure_parser
 237
 238
 239 %token ACCEPTS
 240 %token ADDLYRICS
 241 %token ADDQUOTE
 242 %token NEWADDLYRICS
 243 %token ALIAS
 244 %token ALTERNATIVE
 245 %token APPLY
 246 %token APPLYCONTEXT
 247 %token APPLYOUTPUT
 248 %token AUTOCHANGE
 249 %token BAR
 250 %token BREATHE
 251 %token CHANGE
 252 %token CHORDMODIFIERS
 253 %token CHORDS
 254 %token LESSLESS
 255 %token MOREMORE
 256 %token CLEF
 257 %token COMMANDSPANREQUEST
 258 %token CONSISTS
 259 %token CONSISTSEND
 260 %token CONTEXT
 261 %token DEFAULT
 262 %token DENIES
 263 %token DESCRIPTION
 264 %token EXTENDER
 265 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 266 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
 267 %token GRACE
 268 %token ACCIACCATURA
 269 %token APPOGGIATURA
 270 %token GROBDESCRIPTIONS
 271 %token HEADER
 272 %token HYPHEN
 273 %token INVALID
 274 %token KEY
 275 %token LYRICS
 276 %token MARK
 277 %token MIDI
 278 %token MULTI_MEASURE_REST
 279 %token NAME
 280 %token NEWCONTEXT
 281 %token NOTES
 282 %token OCTAVE
 283 %token ONCE
 284 %token OVERRIDE SET REVERT
 285 %token PAPER
 286 %token PARTCOMBINE
 287 %token PARTIAL
 288 %token QUOTE
 289 %token RELATIVE
 290 %token REMOVE
 291 %token REPEAT
 292 %token REST
 293 %token SCM_T
 294 %token SCORE
 295 %token SEQUENTIAL
 296 %token SIMULTANEOUS
 297 %token SKIP
 298 %token SPANREQUEST
 299 %token TAG
 300 %token TEMPO
 301 %token TIMES
 302 %token TIME_T
 303 %token TRANSPOSE
 304 %token TRANSPOSITION
 305 %token TYPE
 306 %token UNSET
 307 %token WITH
 308
 309 /* escaped */
 310 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 311 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 312 %token E_BACKSLASH
 313 %token <i> E_UNSIGNED
 314 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
 315 %token FIGURE_SPACE
 316
 317 %type <i>       exclamations questions dots optional_rest
 318 %type <i>        bass_mod
 319 %type <scm>     grace_head
 320 %type <scm>     oct_check
 321 %type <scm>     context_mod_list
 322 %type <scm>     lyric_element
 323 %type <scm>     bass_number br_bass_figure bass_figure figure_list figure_spec
 324 %token <i>      DIGIT
 325 %token <scm>    NOTENAME_PITCH
 326 %token <scm>    TONICNAME_PITCH
 327 %token <scm>    CHORDMODIFIER_PITCH
 328 %token <scm>    DURATION_IDENTIFIER
 329 %token <scm>    FRACTION
 330 %token <id>     IDENTIFIER
 331 %token DRUMS
 332 %token <scm>    DRUM_PITCH
 333 %token <scm>    CHORD_MODIFIER
 334 %token <scm>    SCORE_IDENTIFIER
 335 %token <scm>    MUSIC_OUTPUT_DEF_IDENTIFIER
 336 %token <scm>    NUMBER_IDENTIFIER
 337 %token <scm>    EVENT_IDENTIFIER
 338 %token <scm>    MUSIC_IDENTIFIER CONTEXT_DEF_IDENTIFIER
 339 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 340 %token <scm>    RESTNAME
 341 %token <scm>    STRING
 342 %token <scm>    SCM_T
 343 %token <i>      UNSIGNED
 344 %token <scm>   REAL
 345
 346 %token MARKUP
 347 %token <scm> MARKUP_HEAD_MARKUP0
 348 %token <scm> MARKUP_HEAD_EMPTY
 349 %token <scm> MARKUP_HEAD_MARKUP0_MARKUP1
 350 %token <scm> MARKUP_HEAD_SCM0
 351 %token <scm> MARKUP_HEAD_SCM0_MARKUP1
 352 %token <scm> MARKUP_HEAD_SCM0_SCM1
 353 %token <scm> MARKUP_HEAD_SCM0_SCM1_SCM2
 354 %token <scm> MARKUP_HEAD_SCM0_SCM1_MARKUP2
 355
 356 %token <scm> MARKUP_IDENTIFIER MARKUP_HEAD_LIST0
 357 %type <scm> markup markup_line markup_list  markup_list_body full_markup
 358
 359 %type <outputdef> output_def
 360 %type <scm>     lilypond_header lilypond_header_body
 361 %type <music>   open_event close_event
 362 %type <i>       sub_quotes sup_quotes
 363 %type <music>   simple_element  event_chord command_element Simple_music  Composite_music
 364 %type <music>   Repeated_music
 365 %type <scm>     Alternative_music
 366 %type <i>       tremolo_type
 367 %type <i>       bare_int  bare_unsigned
 368 %type <i>       script_dir
 369 %type <scm>     identifier_init
 370
 371 %type <music> note_chord_element chord_body chord_body_element
 372 %type <scm>  chord_body_elements
 373 %type <scm> steno_duration optional_notemode_duration multiplied_duration
 374
 375 %type <scm>   post_events
 376 %type <music> gen_text_def direction_less_event direction_reqd_event
 377 %type <scm>   steno_pitch pitch absolute_pitch pitch_also_in_chords
 378 %type <scm>    steno_tonic_pitch
 379 %type <scm>     duration_length fraction
 380
 381 %type <scm> new_chord step_number chord_items chord_item chord_separator step_numbers
 382
 383 %type <scm>  embedded_scm scalar
 384 %type <music>   Music Sequential_music Simultaneous_music
 385 %type <music>   relative_music re_rhythmed_music
 386 %type <music>   music_property_def context_change
 387 %type <scm> context_prop_spec
 388 %type <scm> Music_list
 389 %type <scm> property_operation context_mod context_def_mod optional_context_mod
 390 %type <outputdef>  music_output_def_body music_output_def_head
 391 %type <music>   post_event tagged_post_event
 392 %type <music> command_req
 393 %type <music> string_number_event
 394 %type <scm>     string bare_number number_expression number_term number_factor
 395 %type <score>   score_block score_body
 396
 397 %type <scm>     context_def_spec_block context_def_spec_body
 398 %type <music>   tempo_event
 399 %type <scm>     script_abbreviation
 400
 401
 402
 403 %left '-' '+'
 404
 405 /* We don't assign precedence to / and *, because we might need varied
 406 prec levels in different prods */
 407
 408 %left UNARY_MINUS
 409
 410 %%
 411
 412 lilypond:       /* empty */
 413         | lilypond toplevel_expression {}
 414         | lilypond assignment  { }
 415         | lilypond error {
 416                 THIS->error_level_  = 1;
 417         }
 418         | lilypond INVALID      {
 419                 THIS->error_level_  = 1;
 420         }
 421         ;
 422
 423 toplevel_expression:
 424         lilypond_header {
 425                 THIS->input_file_->header_ = $1;
 426         }
 427         | add_quote {
 428         }
 429         | score_block {
 430                 Score * sc = $1;
 431
 432                 SCM head = ly_module_p (sc->header_) ? sc->header_ : THIS->input_file_->header_.to_SCM ();
 433
 434                 Path p = split_path (THIS->output_basename_);
 435                 int *c =  &THIS->input_file_->score_count_;
 436                 if (*c)
 437                         {
 438                         p.base += "-" + to_string (*c);
 439                         }
 440
 441                 (*c)++;
 442                 SCM outname = scm_makfrom0str (p.to_string ().to_str0());
 443
 444                 for (int i=0; i < sc->defs_.size (); i++)
 445                         default_rendering (sc->music_, sc->defs_[i]->self_scm (), head, outname);
 446
 447                 if (sc->defs_.is_empty ())
 448                 {
 449                    Music_output_def *id =
 450                         unsmob_music_output_def (THIS->lexer_->lookup_identifier
 451                                 ("$defaultpaper"));
 452
 453                    id = id ? id->clone () : new Paper_def;
 454
 455                    default_rendering (sc->music_, id->self_scm (), head, outname);
 456
 457                    if (output_format_global != PAGE_LAYOUT)
 458                          scm_gc_unprotect_object (id->self_scm ());
 459                 }
 460                    if (output_format_global != PAGE_LAYOUT)
 461                         scm_gc_unprotect_object (sc->self_scm ());
 462         }
 463         | output_def {
 464                 SCM id = SCM_EOL;
 465                 if (dynamic_cast<Paper_def*> ($1))
 466                         id = scm_makfrom0str ("$defaultpaper");
 467                 else if (dynamic_cast<Midi_def*> ($1))
 468                         id = scm_makfrom0str ("$defaultmidi");
 469                 THIS->lexer_->set_identifier (id,   $1->self_scm ());
 470                 scm_gc_unprotect_object ($1->self_scm ());
 471         }
 472         ;
 473
 474
 475 embedded_scm:
 476         SCM_T
 477         | SCM_IDENTIFIER
 478         ;
 479
 480
 481
 482
 483 lilypond_header_body:
 484         {
 485                 $$ = ly_make_anonymous_module ();
 486                 THIS->lexer_->add_scope ($$);
 487         }
 488         | lilypond_header_body assignment  {
 489
 490         }
 491         ;
 492
 493 lilypond_header:
 494         HEADER '{' lilypond_header_body '}'     {
 495                 $$ = THIS->lexer_-> remove_scope ();
 496         }
 497         ;
 498
 499
 500 /*
 501         DECLARATIONS
 502 */
 503 assignment:
 504         STRING {
 505                 THIS->push_spot ();
 506         }
 507         /* cont */ '=' identifier_init  {
 508
 509         /*
 510                 Should find generic way of associating input with objects.
 511         */
 512                 Input ip = THIS->pop_spot ();
 513
 514                 if (! is_regular_identifier ($1))
 515                 {
 516                         ip.warning (_ ("Identifier should have alphabetic characters only"));
 517                 }
 518
 519                 THIS->lexer_->set_identifier ($1, $4);
 520
 521 /*
 522  TODO: devise standard for protection in parser.
 523
 524   The parser stack lives on the C-stack, which means that
 525 all objects can be unprotected as soon as they're here.
 526
 527 */
 528         }
 529         | embedded_scm { }
 530         ;
 531
 532
 533 identifier_init:
 534         score_block {
 535                 $$ = $1->self_scm ();
 536                 scm_gc_unprotect_object ($$);
 537         }
 538         | full_markup {
 539                 $$ = $1;
 540         }
 541         | output_def {
 542                 $$ = $1->self_scm ();
 543                 scm_gc_unprotect_object ($$);
 544         }
 545         | context_def_spec_block {
 546                 $$ = $1;
 547         }
 548         | Music  {
 549                 $$ = $1->self_scm ();
 550                 scm_gc_unprotect_object ($$);
 551         }
 552         | post_event {
 553                 $$ = $1->self_scm ();
 554                 scm_gc_unprotect_object ($$);
 555         }
 556         | number_expression {
 557                 $$ = $1;
 558         }
 559         | string {
 560                 $$ = $1;
 561         }
 562         | embedded_scm  {
 563                 $$ = $1;
 564         }
 565         ;
 566
 567 context_def_spec_block:
 568         CONTEXT '{' context_def_spec_body '}'
 569                 {
 570                 $$ = $3;
 571         }
 572         ;
 573
 574 context_def_spec_body:
 575         /**/ {
 576                 $$ = Context_def::make_scm ();
 577                 unsmob_context_def ($$)->set_spot (THIS->here_input ());
 578         }
 579         | CONTEXT_DEF_IDENTIFIER        {
 580                 $$ = $1;
 581                 unsmob_context_def ($$)->set_spot (THIS->here_input ());
 582         }
 583         | context_def_spec_body GROBDESCRIPTIONS embedded_scm {
 584                 Context_def*td = unsmob_context_def ($$);
 585
 586                 for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p)) {
 587                         SCM tag = gh_caar (p);
 588
 589                         /* TODO: should make new tag "grob-definition" ? */
 590                         td->add_context_mod (scm_list_3 (ly_symbol2scm ("assign"),
 591                                                         tag, gh_cons (ly_cdar (p), SCM_EOL)));
 592                 }
 593         }
 594         | context_def_spec_body context_mod {
 595                 unsmob_context_def ($$)->add_context_mod ($2);
 596         }
 597         ;
 598
 599 /*
 600         SCORE
 601 */
 602 score_block:
 603         SCORE {
 604                 THIS->push_spot ();
 605         }
 606         /*cont*/ '{' score_body '}'     {
 607                 THIS->pop_spot ();
 608                 $$ = $4;
 609
 610         }
 611         ;
 612
 613 score_body:
 614         Music   {
 615                 $$ = new Score;
 616
 617                 $$->set_spot (THIS->here_input ());
 618                 SCM m = $1->self_scm ();
 619                 scm_gc_unprotect_object (m);
 620
 621                 /*
 622                         guh.
 623                 */
 624                 SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
 625                 for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
 626                         m = gh_call1 (gh_car (check_funcs), m);
 627                 $$->music_ = m;
 628
 629         }
 630         | SCORE_IDENTIFIER {
 631                 $$ = new Score ( *unsmob_score ($1));
 632                 $$->set_spot (THIS->here_input ());
 633         }
 634         | score_body lilypond_header    {
 635                 $$->header_ = $2;
 636         }
 637         | score_body output_def {
 638                 $$->defs_.push ($2);
 639                 scm_gc_unprotect_object ($2->self_scm ());
 640         }
 641         | score_body error {
 642
 643         }
 644         ;
 645
 646
 647 /*
 648         MIDI
 649 */
 650 output_def:
 651         music_output_def_body '}' {
 652                 $$ = $1;
 653                 THIS-> lexer_-> remove_scope ();
 654         }
 655         ;
 656
 657 music_output_def_head:
 658         MIDI    {
 659                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 660
 661
 662                 Midi_def* p =0;
 663                 if (id)
 664                         p = dynamic_cast<Midi_def*> (id->clone ());
 665                 else
 666                         p = new Midi_def;
 667
 668                 $$ = p;
 669                 THIS->lexer_->add_scope (p->scope_);
 670         }
 671         | PAPER         {
 672                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 673                   Paper_def *p = 0;
 674                 if (id)
 675                         p = dynamic_cast<Paper_def*> (id->clone ());
 676                 else
 677                         p = new Paper_def;
 678
 679                 THIS->lexer_->add_scope (p->scope_);
 680                 $$ = p;
 681         }
 682         ;
 683
 684
 685 music_output_def_body:
 686         music_output_def_head '{' {
 687
 688         }
 689         | music_output_def_head '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 690                 scm_gc_unprotect_object ($1->self_scm ());
 691                 Music_output_def * o =  unsmob_music_output_def ($3);
 692                 $$ = o;
 693                 THIS->lexer_->remove_scope ();
 694                 THIS->lexer_->add_scope (o->scope_);
 695         }
 696         | music_output_def_body assignment  {
 697
 698         }
 699         | music_output_def_body context_def_spec_block  {
 700                 $$->assign_context_def ($2);
 701         }
 702         | music_output_def_body tempo_event  {
 703                 /*
 704                         junk this ? there already is tempo stuff in
 705                         music.
 706                 */
 707                 int m = gh_scm2int ( $2->get_property ("metronome-count"));
 708                 Duration *d = unsmob_duration ($2->get_property ("tempo-unit"));
 709                 Midi_def * md = dynamic_cast<Midi_def*> ($$);
 710                 if (md)
 711                         md->set_tempo (d->get_length (), m);
 712                 scm_gc_unprotect_object ($2->self_scm ());
 713         }
 714         | music_output_def_body error {
 715
 716         }
 717         ;
 718
 719 tempo_event:
 720         TEMPO steno_duration '=' bare_unsigned  {
 721                 $$ = MY_MAKE_MUSIC ("MetronomeChangeEvent");
 722                 $$->set_property ("tempo-unit", $2);
 723                 $$->set_property ("metronome-count", gh_int2scm ( $4));
 724         }
 725         ;
 726
 727 /*
 728 The representation of a  list is the
 729
 730   (LIST . LAST-CONS)
 731
 732  to have  efficient append.
 733 */
 734 Music_list:
 735         /* empty */ {
 736                 $$ = scm_cons (SCM_EOL, SCM_EOL);
 737         }
 738         | Music_list Music {
 739                 SCM s = $$;
 740                 SCM c = scm_cons ($2->self_scm (), SCM_EOL);
 741                 scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
 742                 if (gh_pair_p (ly_cdr (s)))
 743                         gh_set_cdr_x (ly_cdr (s), c); /* append */
 744                 else
 745                         gh_set_car_x (s, c); /* set first cons */
 746                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 747         }
 748         | Music_list error {
 749         }
 750         ;
 751
 752
 753 Music:
 754         Simple_music
 755         | Composite_music
 756         ;
 757
 758 Alternative_music:
 759         /* empty */ {
 760                 $$ = SCM_EOL;
 761         }
 762         | ALTERNATIVE '{' Music_list '}' {
 763                 $$ = $3;
 764         }
 765         ;
 766
 767 Repeated_music:
 768         REPEAT string bare_unsigned Music Alternative_music
 769         {
 770                 Music *beg = $4;
 771                 int times = $3;
 772                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 773                 if (times < scm_ilength (alts)) {
 774                   unsmob_music (gh_car (alts))
 775                     ->origin ()->warning (
 776                     _("More alternatives than repeats.  Junking excess alternatives."));
 777                   alts = ly_truncate_list (times, alts);
 778                 }
 779
 780
 781                 static SCM proc;
 782                 if (!proc)
 783                         proc = scm_c_eval_string ("make-repeated-music");
 784
 785                 SCM mus = scm_call_1 (proc, $2);
 786                 scm_gc_protect_object (mus); // UGH.
 787                 Music *r =unsmob_music (mus);
 788                 if (beg)
 789                         {
 790                         r-> set_property ("element", beg->self_scm ());
 791                         scm_gc_unprotect_object (beg->self_scm ());
 792                         }
 793                 r->set_property ("repeat-count", gh_int2scm (times >? 1));
 794
 795                 r-> set_property ("elements",alts);
 796                 if (gh_equal_p ($2, scm_makfrom0str ("tremolo"))) {
 797                         /*
 798                         we can not get durations and other stuff correct down the line, so we have to
 799                         add to the duration log here.
 800                         */
 801                         static SCM func;
 802
 803                         if (!func)
 804                                 func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
 805
 806                         int dots = ($3 % 3) ? 0 : 1;
 807                         int shift = -intlog2 ((dots) ? ($3*2/3) : $3);
 808
 809                         Sequential_music * seq = dynamic_cast<Sequential_music*> ($4);
 810
 811                         if (seq) {
 812                                 int list_len =scm_ilength (seq->music_list ());
 813                                 if (list_len != 2)
 814                                         seq->origin ()->warning ("Chord tremolo must have 2 elements.");
 815                                 shift -= 1;
 816                                 r->compress (Moment (Rational (1,list_len)));
 817                                 }
 818                         gh_call3 (func, r->self_scm (), gh_int2scm (shift),gh_int2scm (dots));
 819
 820                 }
 821                 r->set_spot (*$4->origin ());
 822
 823                 $$ = r;
 824         }
 825         ;
 826
 827 Sequential_music:
 828         SEQUENTIAL '{' Music_list '}'           {
 829                 $$ = MY_MAKE_MUSIC ("SequentialMusic");
 830                 $$->set_property ("elements", ly_car ($3));
 831                 $$->set_spot (THIS->here_input ());
 832         }
 833         | '{' Music_list '}'            {
 834                 $$ = MY_MAKE_MUSIC ("SequentialMusic");
 835                 $$->set_property ("elements", ly_car ($2));
 836                 $$->set_spot (THIS->here_input ());
 837         }
 838         ;
 839
 840 Simultaneous_music:
 841         SIMULTANEOUS '{' Music_list '}'{
 842                 $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
 843                 $$->set_property ("elements", ly_car ($3));
 844                 $$->set_spot (THIS->here_input ());
 845
 846         }
 847         | simul_open Music_list simul_close     {
 848                 $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
 849                 $$->set_property ("elements", ly_car ($2));
 850                 $$->set_spot (THIS->here_input ());
 851         }
 852         ;
 853
 854 Simple_music:
 855         event_chord             { $$ = $1; }
 856         | APPLYOUTPUT embedded_scm {
 857                 if (!ly_input_procedure_p ($2))
 858                         THIS->parser_error (_ ("\\applycontext takes function argument"));
 859                 $$ = MY_MAKE_MUSIC ("ApplyOutputEvent");
 860                 $$->set_property ("procedure", $2);
 861                 $$->set_spot (THIS->here_input ());
 862         }
 863         | APPLYCONTEXT embedded_scm {
 864                 if (!ly_input_procedure_p ($2))
 865                         THIS->parser_error (_ ("\\applycontext takes function argument"));
 866                 $$ = MY_MAKE_MUSIC ("ApplyContext");
 867                 $$->set_property ("procedure", $2);
 868                 $$->set_spot (THIS->here_input ());
 869         }
 870         | MUSIC_IDENTIFIER {
 871                 $$ = unsmob_music ($1);
 872         }
 873         | music_property_def
 874         | context_change
 875         ;
 876
 877
 878 optional_context_mod:
 879         /**/ { $$ = SCM_EOL; }
 880         | WITH '{' context_mod_list '}'  { $$ = $3; }
 881         ;
 882
 883 grace_head:
 884         GRACE  { $$ = scm_makfrom0str ("Grace"); }
 885         | ACCIACCATURA { $$ = scm_makfrom0str ("Acciaccatura"); }
 886         | APPOGGIATURA { $$ = scm_makfrom0str ("Appoggiatura"); }
 887         ;
 888
 889 context_mod_list:
 890         /* */  { $$ = SCM_EOL; }
 891         | context_mod_list context_mod  {
 892                  $$ = gh_cons ($2, $1);
 893         }
 894         ;
 895
 896 Composite_music:
 897         AUTOCHANGE Music        {
 898                 static SCM proc ;
 899                 if (!proc)
 900                         proc = scm_c_eval_string ("make-autochange-music");
 901
 902                 SCM res = scm_call_1 (proc,  $2->self_scm ());
 903                 scm_gc_unprotect_object ($2->self_scm ());
 904                 $$ = unsmob_music (res);
 905                 scm_gc_protect_object (res);
 906                 $$->set_spot (THIS->here_input ());
 907         }
 908         | PARTCOMBINE Music Music {
 909                 static SCM proc;
 910                 if (!proc)
 911                         proc = scm_c_eval_string ("make-part-combine-music");
 912
 913                 SCM res = scm_call_1 (proc, gh_list ($2->self_scm (),
 914                         $3->self_scm (), SCM_UNDEFINED));
 915                 scm_gc_unprotect_object ($3->self_scm ());
 916                 scm_gc_unprotect_object ($2->self_scm ());
 917                 $$ = unsmob_music (res);
 918                 scm_gc_protect_object (res);
 919                 $$->set_spot (THIS->here_input ());
 920         }
 921         | grace_head Music {
 922 #if 1
 923         /*
 924                 The other version is for easier debugging  of
 925                 Sequential_music_iterator in combination with grace notes.
 926         */
 927
 928 /*
 929
 930 TODO: should distinguish between both grace types in the
 931 basic music objects too, since the meaning is different.
 932
 933 */
 934
 935                 String start_str = "start" + ly_scm2string ($1) + "Music";
 936                 String stop_str = "stop" + ly_scm2string ($1) + "Music";
 937
 938                 SCM start = THIS->lexer_->lookup_identifier (start_str);
 939                 SCM stop = THIS->lexer_->lookup_identifier (stop_str);
 940
 941                 Music *startm = unsmob_music (start);
 942                 Music *stopm = unsmob_music (stop);
 943
 944                 SCM ms = SCM_EOL;
 945                 if (stopm) {
 946                         stopm = stopm->clone ();
 947                         ms = scm_cons (stopm->self_scm (), ms);
 948                         scm_gc_unprotect_object (stopm->self_scm ());
 949                 }
 950                 ms = scm_cons ($2->self_scm (), ms);
 951                 scm_gc_unprotect_object ($2->self_scm ());
 952                 if (startm) {
 953                         startm = startm->clone ();
 954                         ms = scm_cons (startm->self_scm () , ms);
 955                         scm_gc_unprotect_object (startm->self_scm ());
 956                 }
 957
 958                 Music* seq = MY_MAKE_MUSIC ("SequentialMusic");
 959                 seq->set_property ("elements", ms);
 960
 961
 962                 $$ = MY_MAKE_MUSIC ("GraceMusic");
 963                 $$->set_property ("element", seq->self_scm ());
 964                 scm_gc_unprotect_object (seq->self_scm ());
 965 #else
 966                 $$ = MY_MAKE_MUSIC ("GraceMusic");
 967                 $$->set_property ("element", $2->self_scm ());
 968                 scm_gc_unprotect_object ($2->self_scm ());
 969 #endif
 970         }
 971         | CONTEXT string '=' string optional_context_mod Music {
 972                 $$ = context_spec_music ($2, $4, $6, $5);
 973
 974         }
 975         | CONTEXT STRING optional_context_mod Music {
 976                 $$ = context_spec_music ($2, SCM_UNDEFINED, $4, $3);
 977         }
 978         | NEWCONTEXT string optional_context_mod Music {
 979                 $$ = context_spec_music ($2, get_next_unique_context (),
 980                                          $4, $3);
 981         }
 982
 983         | TIMES {
 984                 THIS->push_spot ();
 985         }
 986         /* CONTINUED */
 987                 fraction Music
 988
 989         {
 990                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 991                 Music *mp = $4;
 992
 993                 $$= MY_MAKE_MUSIC ("TimeScaledMusic");
 994                 $$->set_spot (THIS->pop_spot ());
 995
 996                 $$->set_property ("element", mp->self_scm ());
 997                 scm_gc_unprotect_object (mp->self_scm ());
 998                 $$->set_property ("numerator", gh_int2scm (n));
 999                 $$->set_property ("denominator", gh_int2scm (d));
1000                 $$->compress (Moment (Rational (n,d)));
1001
1002         }
1003         | Repeated_music                { $$ = $1; }
1004         | Simultaneous_music            { $$ = $1; }
1005         | Sequential_music              { $$ = $1; }
1006         | TRANSPOSE pitch_also_in_chords pitch_also_in_chords Music {
1007                 $$ = MY_MAKE_MUSIC ("TransposedMusic");
1008                 Music *p = $4;
1009                 Pitch from = *unsmob_pitch ($2);
1010                 Pitch to = *unsmob_pitch ($3);
1011
1012                 p->transpose (interval (from, to));
1013                 $$->set_property ("element", p->self_scm ());
1014                 scm_gc_unprotect_object (p->self_scm ());
1015         }
1016         | APPLY embedded_scm Music  {
1017                 if (!ly_input_procedure_p ($2))
1018                         {
1019                         THIS->parser_error (_ ("\\apply takes function argument"));
1020                         $$ = $3;
1021                         }
1022                 else
1023                         {
1024                         SCM ret = gh_call1 ($2, $3->self_scm ());
1025                         Music *m = unsmob_music (ret);
1026                         if (!m) {
1027                                 THIS->parser_error ("\\apply must return a Music");
1028                                 m = MY_MAKE_MUSIC ("Music");
1029                                 }
1030                         $$ = m;
1031                         }
1032         }
1033         | NOTES
1034                 {
1035                 SCM nn = THIS->lexer_->lookup_identifier ("pitchnames");
1036                 THIS->lexer_->push_note_state (alist_to_hashq (nn));
1037         }
1038         Music
1039                 { $$ = $3;
1040                   THIS->lexer_->pop_state ();
1041                 }
1042         | DRUMS
1043                 {
1044                 SCM nn = THIS->lexer_->lookup_identifier ("drumPitchNames");
1045                 THIS->lexer_->push_note_state (alist_to_hashq (nn));
1046         }
1047         Music
1048                 { $$ = $3;
1049                   THIS->lexer_->pop_state ();
1050                 }
1051         | FIGURES
1052                 { THIS->lexer_->push_figuredbass_state (); }
1053         Music
1054                 {
1055                   Music * chm = MY_MAKE_MUSIC ("UntransposableMusic");
1056                   chm->set_property ("element", $3->self_scm ());
1057                   $$ = chm;
1058                   scm_gc_unprotect_object ($3->self_scm ());
1059
1060                   THIS->lexer_->pop_state ();
1061         }
1062         | CHORDS {
1063                 SCM nn = THIS->lexer_->lookup_identifier ("chordmodifiers");
1064                 THIS->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1065                 nn = THIS->lexer_->lookup_identifier ("pitchnames");
1066                 THIS->lexer_->push_chord_state (alist_to_hashq (nn));
1067
1068         } Music {
1069                   Music * chm = MY_MAKE_MUSIC ("UnrelativableMusic");
1070                   chm->set_property ("element", $3->self_scm ());
1071                   scm_gc_unprotect_object ($3->self_scm ());
1072                   $$ = chm;
1073
1074                   THIS->lexer_->pop_state ();
1075         }
1076         | LYRICS
1077                 { THIS->lexer_->push_lyric_state (); }
1078         Music
1079                 {
1080                   $$ = $3;
1081                   THIS->lexer_->pop_state ();
1082         }
1083         | relative_music        { $$ = $1; }
1084         | re_rhythmed_music     { $$ = $1; }
1085         | TAG embedded_scm Music {
1086                 tag_music ($3, $2, THIS->here_input ());
1087                 $$ = $3;
1088         }
1089         ;
1090
1091 relative_music:
1092         RELATIVE absolute_pitch Music {
1093                 Music * p = $3;
1094                 Pitch pit = *unsmob_pitch ($2);
1095                 $$ = MY_MAKE_MUSIC ("RelativeOctaveMusic");
1096
1097                 $$->set_property ("element", p->self_scm ());
1098                 scm_gc_unprotect_object (p->self_scm ());
1099
1100
1101                 Pitch retpitch = p->to_relative_octave (pit);
1102                 if (lily_1_8_relative)
1103                         $$->set_property ("last-pitch", retpitch.smobbed_copy ());
1104         }
1105         ;
1106
1107 re_rhythmed_music:
1108         ADDLYRICS Music Music {
1109         Music*l =MY_MAKE_MUSIC ("LyricCombineMusic");
1110           l->set_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
1111           scm_gc_unprotect_object ($3->self_scm ());
1112           scm_gc_unprotect_object ($2->self_scm ());
1113           $$ = l;
1114         }
1115         | NEWADDLYRICS string Music {
1116           Music*l =MY_MAKE_MUSIC ("NewLyricCombineMusic");
1117           l->set_property ("element", $3->self_scm ());
1118           scm_gc_unprotect_object ($3->self_scm ());
1119           $$ = l;
1120           l->set_property ("associated-context", $2);
1121         }
1122         ;
1123
1124 context_change:
1125         CHANGE STRING '=' STRING  {
1126                 Music*t= MY_MAKE_MUSIC ("ContextChange");
1127                 t-> set_property ("change-to-type", scm_string_to_symbol ($2));
1128                 t-> set_property ("change-to-id", $4);
1129
1130                 $$ = t;
1131                 $$->set_spot (THIS->here_input ());
1132         }
1133         ;
1134
1135 property_operation:
1136         STRING '='  scalar {
1137                 $$ = scm_list_3 (ly_symbol2scm ("assign"),
1138                         scm_string_to_symbol ($1), $3);
1139         }
1140         | UNSET STRING {
1141                 $$ = scm_list_2 (ly_symbol2scm ("unset"),
1142                         scm_string_to_symbol ($2));
1143         }
1144         | OVERRIDE STRING embedded_scm '=' embedded_scm {
1145                 $$ = scm_list_4 (ly_symbol2scm ("push"),
1146                         scm_string_to_symbol ($2), $3, $5);
1147         }
1148         | REVERT STRING embedded_scm {
1149                 $$ = scm_list_3 (ly_symbol2scm ("pop"),
1150                         scm_string_to_symbol ($2), $3);
1151         }
1152         ;
1153
1154 context_def_mod:
1155         CONSISTSEND { $$ = ly_symbol2scm ("consists-end"); }
1156         | CONSISTS { $$ = ly_symbol2scm ("consists"); }
1157         | REMOVE { $$ = ly_symbol2scm ("remove"); }
1158
1159         | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
1160         | DENIES { $$ = ly_symbol2scm ("denies"); }
1161
1162         | ALIAS { $$ = ly_symbol2scm ("alias"); }
1163         | TYPE { $$ = ly_symbol2scm ("translator-type"); }
1164         | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
1165         | NAME { $$ = ly_symbol2scm ("context-name"); }
1166         ;
1167
1168 context_mod:
1169         property_operation { $$ = $1; }
1170         | context_def_mod STRING {
1171                 $$ = scm_list_2 ($1, $2);
1172         }
1173         ;
1174
1175 context_prop_spec:
1176         STRING  {
1177                 $$ = scm_list_2 (ly_symbol2scm ("Bottom"), scm_string_to_symbol ($1));
1178         }
1179         | STRING '.' STRING {
1180                 $$ = scm_list_2 (scm_string_to_symbol ($1), scm_string_to_symbol ($3));
1181         }
1182         ;
1183
1184 music_property_def:
1185         OVERRIDE context_prop_spec embedded_scm '=' scalar {
1186                 $$ = property_op_to_music (scm_list_4 (
1187                         ly_symbol2scm ("poppush"),
1188                         gh_cadr ($2),
1189                         $3, $5));
1190                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1191         }
1192         | REVERT context_prop_spec embedded_scm {
1193                 $$ = property_op_to_music (scm_list_3 (
1194                         ly_symbol2scm ("pop"),
1195                         gh_cadr ($2),
1196                         $3));
1197
1198                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1199         }
1200         | SET context_prop_spec '=' scalar {
1201                 $$ = property_op_to_music (scm_list_3 (
1202                         ly_symbol2scm ("assign"),
1203                         gh_cadr ($2),
1204                         $4));
1205                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1206         }
1207         | UNSET context_prop_spec {
1208                 $$ = property_op_to_music (scm_list_2 (
1209                         ly_symbol2scm ("unset"),
1210                         gh_cadr ($2)));
1211                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1212         }
1213         | ONCE music_property_def {
1214                 SCM e = $2->get_property ("element");
1215                 unsmob_music (e)->set_property ("once", SCM_BOOL_T);
1216                 $$ = $2;
1217
1218         }
1219         ;
1220
1221
1222
1223 scalar:
1224         string          { $$ = $1; }
1225         | bare_int      { $$ = gh_int2scm ($1); }
1226         | embedded_scm  { $$ = $1; }
1227         | full_markup {  $$ = $1; }
1228         | DIGIT { $$ = gh_int2scm ($1); }
1229         ;
1230
1231 /*
1232 This is a trick:
1233
1234 Adding pre_events to the simple_element
1235 makes the choice between
1236
1237   string:  STRING
1238
1239 and
1240
1241   simple_element: STRING
1242
1243 a single shift/reduction conflict.
1244
1245 nevertheless, this is not very clean, and we should find a different
1246 solution.
1247
1248 */
1249 pre_events: {
1250                 THIS->push_spot ();
1251         }
1252         ;
1253
1254 event_chord:
1255         pre_events simple_element post_events   {
1256                 SCM elts = $2-> get_property ("elements");
1257
1258                 elts = gh_append2 (elts, scm_reverse_x ($3, SCM_EOL));
1259
1260                 $2->set_property ("elements", elts);
1261                 $$ = $2;
1262         }
1263         | command_element
1264         | note_chord_element
1265         ;
1266
1267
1268 note_chord_element:
1269         chord_body optional_notemode_duration post_events
1270         {
1271                 SCM dur = unsmob_duration ($2)->smobbed_copy ();
1272                 SCM es = $1->get_property ("elements");
1273                 SCM postevs = scm_reverse_x ($3, SCM_EOL);
1274
1275                 for (SCM s = es; gh_pair_p (s); s = gh_cdr (s))
1276                   unsmob_music (gh_car (s))->set_property ("duration", dur);
1277                 es = gh_append2 (es, postevs);
1278
1279                 $1-> set_property ("elements", es);
1280                 $$ = $1;
1281         }
1282         ;
1283
1284 chord_open: '<'
1285         ;
1286
1287 chord_close: '>'
1288         ;
1289
1290 simul_open: LESSLESS
1291         ;
1292
1293 simul_close: MOREMORE
1294         ;
1295
1296 chord_body:
1297         chord_open chord_body_elements chord_close
1298         {
1299                 $$ = MY_MAKE_MUSIC ("EventChord");
1300                 $$->set_property ("elements",
1301                         scm_reverse_x ($2, SCM_EOL));
1302         }
1303         ;
1304
1305 chord_body_elements:
1306         /* empty */             { $$ = SCM_EOL; }
1307         | chord_body_elements chord_body_element {
1308                 $$ = gh_cons ($2->self_scm (), $1);
1309                 scm_gc_unprotect_object ($2->self_scm ());
1310         }
1311         ;
1312
1313 chord_body_element:
1314         pitch exclamations questions post_events
1315         {
1316                 Music * n = MY_MAKE_MUSIC ("NoteEvent");
1317                 n->set_property ("pitch", $1);
1318                 if ($3 % 2)
1319                         n->set_property ("cautionary", SCM_BOOL_T);
1320                 if ($2 % 2 || $3 % 2)
1321                         n->set_property ("force-accidental", SCM_BOOL_T);
1322
1323                 if (gh_pair_p ($4)) {
1324                         SCM arts = scm_reverse_x ($4, SCM_EOL);
1325                         n->set_property ("articulations", arts);
1326                 }
1327                 $$ = n;
1328         }
1329         | DRUM_PITCH post_events {
1330                 Music *n =  MY_MAKE_MUSIC ("NoteEvent");
1331                 n->set_property ("duration" ,$2);
1332                 n->set_property ("drum-type" , $1);
1333                 n->set_spot (THIS->here_input ());
1334
1335                 if (gh_pair_p ($2)) {
1336                         SCM arts = scm_reverse_x ($2, SCM_EOL);
1337                         n->set_property ("articulations", arts);
1338                 }
1339                 $$ = n;
1340         }
1341         ;
1342
1343 add_quote:
1344         ADDQUOTE string Music {
1345                 static SCM adder;
1346                 if (!adder)
1347                         adder = scm_c_eval_string ("add-quotable");
1348
1349                 scm_call_2 (adder, $2, $3->self_scm ());
1350                 scm_gc_unprotect_object ($3->self_scm ());
1351         }
1352         ;
1353
1354 command_element:
1355         command_req {
1356                 $$ = MY_MAKE_MUSIC ("EventChord");
1357                 $$->set_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
1358                 scm_gc_unprotect_object ($1->self_scm ());
1359
1360                 $$-> set_spot (THIS->here_input ());
1361                 $1-> set_spot (THIS->here_input ());
1362         }
1363         | SKIP duration_length {
1364                 Music * skip = MY_MAKE_MUSIC ("SkipMusic");
1365                 skip->set_property ("duration", $2);
1366
1367                 $$ = skip;
1368         }
1369         | QUOTE STRING duration_length {
1370                 SCM tab = THIS->lexer_->lookup_identifier ("musicQuotes");
1371                 SCM evs =  SCM_EOL;
1372                 if (scm_hash_table_p (tab) == SCM_BOOL_T)
1373                 {
1374                         SCM key = $2; // use symbol?
1375                         evs = scm_hash_ref (tab, key, SCM_BOOL_F);
1376                 }
1377                 Music * quote = 0;
1378                 if (gh_vector_p (evs))
1379                 {
1380                         quote = MY_MAKE_MUSIC ("QuoteMusic");
1381                         quote->set_property ("duration", $3);
1382                         quote->set_property ("quoted-events", evs);
1383                 } else {
1384                         THIS->here_input ().warning (_f ("Can\'t find music"));
1385                         quote = MY_MAKE_MUSIC ("Event");
1386                 }
1387                 quote->set_spot (THIS->here_input ());
1388                 $$ = quote;
1389         }
1390         | OCTAVE { THIS->push_spot (); }
1391           pitch {
1392                 Music *l = MY_MAKE_MUSIC ("RelativeOctaveCheck");
1393                 $$ = l;
1394                 $$->set_spot (THIS->pop_spot ());
1395                 $$->set_property ("pitch", $3);
1396         }
1397         | E_LEFTSQUARE {
1398                 Music *l = MY_MAKE_MUSIC ("LigatureEvent");
1399                 l->set_property ("span-direction", gh_int2scm (START));
1400                 l->set_spot (THIS->here_input ());
1401
1402                 $$ = MY_MAKE_MUSIC ("EventChord");
1403                 $$->set_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1404                 scm_gc_unprotect_object (l->self_scm ());
1405                 $$->set_spot (THIS->here_input ());
1406         }
1407         | E_RIGHTSQUARE {
1408                 Music *l = MY_MAKE_MUSIC ("LigatureEvent");
1409                 l->set_property ("span-direction", gh_int2scm (STOP));
1410                 l->set_spot (THIS->here_input ());
1411
1412                 $$ = MY_MAKE_MUSIC ("EventChord");
1413                 $$->set_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1414                 $$->set_spot (THIS->here_input ());
1415                 scm_gc_unprotect_object (l->self_scm ());
1416         }
1417         | E_BACKSLASH {
1418                 $$ = MY_MAKE_MUSIC ("VoiceSeparator");
1419                 $$->set_spot (THIS->here_input ());
1420         }
1421         | '|'      {
1422
1423                 $$ = MY_MAKE_MUSIC ("BarCheck");
1424                 $$->set_spot (THIS->here_input ());
1425         }
1426         | TRANSPOSITION pitch {
1427                 $$ = set_property_music (ly_symbol2scm ("instrumentTransposition"),
1428                                         $2);
1429                 $$->set_spot (THIS-> here_input ());
1430                 $$ = context_spec_music (ly_symbol2scm ("Staff"), SCM_UNDEFINED,
1431                         $$ , SCM_EOL);
1432         }
1433         | BAR STRING                    {
1434                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1435
1436                 Music *csm = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
1437                                         t, SCM_EOL);
1438                 $$ = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED, csm, SCM_EOL);
1439                 $$->set_spot (THIS->here_input ());
1440                 t->set_spot (THIS->here_input ());
1441         }
1442         | PARTIAL duration_length       {
1443                 Moment m = - unsmob_duration ($2)->get_length ();
1444                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1445                 p->set_spot (THIS->here_input ());
1446                 p = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
1447                                         p, SCM_EOL);
1448                 p = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED,
1449                                         p, SCM_EOL);
1450                 $$ =p ;
1451         }
1452         | CLEF STRING  {
1453                 static SCM proc ;
1454                 if (!proc)
1455                         proc = scm_c_eval_string ("make-clef-set");
1456
1457                 SCM result = scm_call_1 (proc, $2);
1458                 scm_gc_protect_object (result);
1459                 $$ = unsmob_music (result);
1460         }
1461         | TIME_T fraction  {
1462                 static SCM proc;
1463                 if (!proc)
1464                         proc = scm_c_eval_string ("make-time-signature-set");
1465
1466                 SCM result = scm_apply_2   (proc, gh_car ($2), gh_cdr ($2), SCM_EOL);
1467                 scm_gc_protect_object (result);
1468                 $$ = unsmob_music (result);
1469         }
1470         | MARK scalar {
1471                 static SCM proc;
1472                 if (!proc)
1473                         proc = scm_c_eval_string ("make-mark-set");
1474
1475                 SCM result = scm_call_1 (proc, $2);
1476                 scm_gc_protect_object (result);
1477                 $$ = unsmob_music (result);
1478         }
1479         ;
1480
1481 command_req:
1482         BREATHE {
1483                 $$ = MY_MAKE_MUSIC ("BreathingSignEvent");
1484         }
1485         | E_TILDE {
1486                 $$ = MY_MAKE_MUSIC ("PesOrFlexaEvent");
1487         }
1488         | MARK DEFAULT  {
1489                 Music * m = MY_MAKE_MUSIC ("MarkEvent");
1490                 $$ = m;
1491         }
1492         | tempo_event {
1493                 $$ = $1;
1494         }
1495         | KEY DEFAULT {
1496                 Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
1497                 $$ = key;
1498         }
1499         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1500
1501                 Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
1502                 if (scm_ilength ($3) > 0)
1503                 {
1504                         key->set_property ("pitch-alist", $3);
1505                         key->set_property ("tonic", Pitch (0,0,0).smobbed_copy ());
1506                         ((Music*)key)->transpose (* unsmob_pitch ($2));
1507                 } else {
1508                         THIS->parser_error (_("Second argument must be pitch list."));
1509                 }
1510
1511                 $$ = key;
1512         }
1513         ;
1514
1515 post_events:
1516         /* empty */ {
1517                 $$ = SCM_EOL;
1518         }
1519         | post_events post_event {
1520                 $2->set_spot (THIS->here_input ());
1521                 $$ = gh_cons ($2->self_scm (), $$);
1522                 scm_gc_unprotect_object ($2->self_scm ());
1523         }
1524         | post_events tagged_post_event {
1525                 $2 -> set_spot (THIS->here_input ());
1526                 $$ = scm_cons ($2->self_scm (), $$);
1527                 scm_gc_unprotect_object ($2->self_scm ());
1528         }
1529         ;
1530
1531
1532 tagged_post_event:
1533         '-' TAG embedded_scm post_event {
1534                 tag_music ($4, $3, THIS->here_input ());
1535                 $$ = $4;
1536         }
1537         ;
1538
1539 post_event:
1540         direction_less_event {
1541                 $$ = $1;
1542         }
1543         | HYPHEN {
1544                 if (!THIS->lexer_->is_lyric_state ())
1545                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1546                 $$ = MY_MAKE_MUSIC ("HyphenEvent");
1547         }
1548         | EXTENDER {
1549                 if (!THIS->lexer_->is_lyric_state ())
1550                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1551                 $$ = MY_MAKE_MUSIC ("ExtenderEvent");
1552         }
1553         | script_dir direction_reqd_event {
1554                 if ($1)
1555                         $2->set_property ("direction", gh_int2scm ($1));
1556                 $$ = $2;
1557         }
1558         | script_dir direction_less_event {
1559                 if ($1)
1560                         $2->set_property ("direction", gh_int2scm ($1));
1561                 $$ = $2;
1562         }
1563         | string_number_event
1564         ;
1565
1566 string_number_event:
1567         E_UNSIGNED {
1568                 Music * s = MY_MAKE_MUSIC ("StringNumberEvent");
1569                 s->set_property ("string-number",  gh_int2scm ($1));
1570                 s->set_spot (THIS->here_input ());
1571                 $$ = s;
1572         }
1573         ;
1574
1575
1576 direction_less_event:
1577         '['  {
1578
1579
1580 /*
1581
1582 TODO: should take all these defs out of the parser, adn make use
1583 configurable, i.e.
1584
1585
1586 (set-articulation '~ "trill")
1587
1588 */
1589                 Music * m = MY_MAKE_MUSIC ("BeamEvent");
1590                 m->set_spot (THIS->here_input ());
1591                 m->set_property ("span-direction" , gh_int2scm (START));
1592                 $$ = m;
1593         }
1594         | ']'  {
1595                 Music * m = MY_MAKE_MUSIC ("BeamEvent");
1596                 m->set_spot (THIS->here_input ());
1597                 m->set_property ("span-direction" , gh_int2scm (STOP));
1598                 $$ = m;
1599         }
1600         | '~' {
1601                 Music * m = MY_MAKE_MUSIC ("TieEvent");
1602                 m->set_spot (THIS->here_input ());
1603                 $$ = m;
1604         }
1605         | close_event {
1606                 $$ = $1;
1607                 dynamic_cast<Music *> ($$)->set_property ("span-direction",
1608                         gh_int2scm (START));
1609         }
1610         | open_event {
1611                 $$ = $1;
1612                 dynamic_cast<Music *> ($$)->set_property ("span-direction",
1613                         gh_int2scm (STOP));
1614         }
1615         | EVENT_IDENTIFIER      {
1616                 $$ = unsmob_music ($1);
1617         }
1618         | tremolo_type  {
1619                Music * a = MY_MAKE_MUSIC ("TremoloEvent");
1620                a->set_spot (THIS->here_input ());
1621                a->set_property ("tremolo-type", gh_int2scm ($1));
1622                $$ = a;
1623         }
1624         ;
1625
1626 direction_reqd_event:
1627         gen_text_def {
1628                 $$ = $1;
1629         }
1630         | script_abbreviation {
1631                 SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
1632                 Music *a = MY_MAKE_MUSIC ("ArticulationEvent");
1633                 if (gh_string_p (s))
1634                         a->set_property ("articulation-type", s);
1635                 else THIS->parser_error (_ ("Expecting string as script definition"));
1636                 $$ = a;
1637         }
1638         ;
1639
1640 oct_check:
1641         /**/ { $$ = SCM_EOL; }
1642         | '='  { $$ = gh_int2scm (0); }
1643         | '=' sub_quotes { $$ = gh_int2scm ($2); }
1644         | '=' sup_quotes { $$ = gh_int2scm ($2); }
1645         ;
1646
1647 sup_quotes:
1648         '\'' {
1649                 $$ = 1;
1650         }
1651         | sup_quotes '\'' {
1652                 $$ ++;
1653         }
1654         ;
1655
1656 sub_quotes:
1657         ',' {
1658                 $$ = 1;
1659         }
1660         | sub_quotes ',' {
1661                 $$ ++ ;
1662         }
1663         ;
1664
1665 steno_pitch:
1666         NOTENAME_PITCH  {
1667                 $$ = $1;
1668         }
1669         | NOTENAME_PITCH sup_quotes     {
1670                 Pitch p = *unsmob_pitch ($1);
1671                 p = p.transposed (Pitch ($2,0,0));
1672                 $$ = p.smobbed_copy ();
1673         }
1674         | NOTENAME_PITCH sub_quotes      {
1675                 Pitch p =* unsmob_pitch ($1);
1676                 p = p.transposed (Pitch (-$2,0,0));
1677                 $$ = p.smobbed_copy ();
1678         }
1679         ;
1680
1681 /*
1682 ugh. duplication
1683 */
1684
1685 steno_tonic_pitch:
1686         TONICNAME_PITCH {
1687                 $$ = $1;
1688         }
1689         | TONICNAME_PITCH sup_quotes    {
1690                 Pitch p = *unsmob_pitch ($1);
1691                 p = p.transposed (Pitch ($2,0,0));
1692                 $$ = p.smobbed_copy ();
1693         }
1694         | TONICNAME_PITCH sub_quotes     {
1695                 Pitch p =* unsmob_pitch ($1);
1696
1697                 p = p.transposed (Pitch (-$2,0,0));
1698                 $$ = p.smobbed_copy ();
1699         }
1700         ;
1701
1702 pitch:
1703         steno_pitch {
1704                 $$ = $1;
1705         }
1706         ;
1707
1708 pitch_also_in_chords:
1709         pitch
1710         | steno_tonic_pitch
1711         ;
1712
1713 close_event:
1714         '('     {
1715                 Music * s= MY_MAKE_MUSIC ("SlurEvent");
1716                 $$ = s;
1717                 s->set_spot (THIS->here_input ());
1718         }
1719         | E_OPEN        {
1720                 Music * s= MY_MAKE_MUSIC ("PhrasingSlurEvent");
1721                 $$ = s;
1722                 s->set_spot (THIS->here_input ());
1723         }
1724         | E_SMALLER {
1725                 Music *s =MY_MAKE_MUSIC ("CrescendoEvent");
1726                 $$ = s;
1727                 s->set_spot (THIS->here_input ());
1728         }
1729         | E_BIGGER {
1730                 Music *s =MY_MAKE_MUSIC ("DecrescendoEvent");
1731                 $$ = s;
1732                 s->set_spot (THIS->here_input ());
1733         }
1734         ;
1735
1736
1737 open_event:
1738         E_EXCLAMATION   {
1739                 Music *s =  MY_MAKE_MUSIC ("CrescendoEvent");
1740                 s->set_spot (THIS->here_input ());
1741
1742                 $$ = s;
1743         }
1744         | ')'   {
1745                 Music * s= MY_MAKE_MUSIC ("SlurEvent");
1746                 $$ = s;
1747                 s->set_spot (THIS->here_input ());
1748
1749         }
1750         | E_CLOSE       {
1751                 Music * s= MY_MAKE_MUSIC ("PhrasingSlurEvent");
1752                 $$ = s;
1753                 s->set_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
1754                 s->set_spot (THIS->here_input ());
1755         }
1756         ;
1757
1758 gen_text_def:
1759         full_markup {
1760                 Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
1761                 t->set_property ("text", $1);
1762                 t->set_spot (THIS->here_input ());
1763                 $$ = t;
1764         }
1765         | string {
1766                 Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
1767                 t->set_property ("text", make_simple_markup ($1));
1768                 t->set_spot (THIS->here_input ());
1769                 $$ = t;
1770
1771         }
1772         | DIGIT {
1773                 Music * t = MY_MAKE_MUSIC ("FingerEvent");
1774                 t->set_property ("digit",  gh_int2scm ($1));
1775                 t->set_spot (THIS->here_input ());
1776                 $$ = t;
1777         }
1778         ;
1779
1780 script_abbreviation:
1781         '^'             {
1782                 $$ = scm_makfrom0str ("Hat");
1783         }
1784         | '+'           {
1785                 $$ = scm_makfrom0str ("Plus");
1786         }
1787         | '-'           {
1788                 $$ = scm_makfrom0str ("Dash");
1789         }
1790         | '|'           {
1791                 $$ = scm_makfrom0str ("Bar");
1792         }
1793         | '>'           {
1794                 $$ = scm_makfrom0str ("Larger");
1795         }
1796         | '.'           {
1797                 $$ = scm_makfrom0str ("Dot");
1798         }
1799         | '_' {
1800                 $$ = scm_makfrom0str ("Underscore");
1801         }
1802         ;
1803
1804 script_dir:
1805         '_'     { $$ = DOWN; }
1806         | '^'   { $$ = UP; }
1807         | '-'   { $$ = CENTER; }
1808         ;
1809
1810
1811 absolute_pitch:
1812         steno_pitch     {
1813                 $$ = $1;
1814         }
1815         ;
1816
1817 duration_length:
1818         multiplied_duration {
1819                 $$ = $1;
1820         }
1821         ;
1822
1823 optional_notemode_duration:
1824         {
1825                 Duration dd = THIS->default_duration_;
1826                 $$ = dd.smobbed_copy ();
1827
1828                 THIS->beam_check ($$);
1829         }
1830         | multiplied_duration   {
1831                 $$ = $1;
1832                 THIS->default_duration_ = *unsmob_duration ($$);
1833
1834                 THIS->beam_check ($$);
1835         }
1836         ;
1837
1838 steno_duration:
1839         bare_unsigned dots              {
1840                 int l = 0;
1841                 if (!is_is_duration ($1))
1842                         THIS->parser_error (_f ("not a duration: %d", $1));
1843                 else
1844                         l =  intlog2 ($1);
1845
1846                 $$ = Duration (l, $2).smobbed_copy ();
1847         }
1848         | DURATION_IDENTIFIER dots      {
1849                 Duration *d =unsmob_duration ($1);
1850                 Duration k (d->duration_log (),d->dot_count () + $2);
1851
1852                 *d = k;
1853                 $$ = $1;
1854         }
1855         ;
1856
1857
1858
1859
1860 multiplied_duration:
1861         steno_duration {
1862                 $$ = $1;
1863         }
1864         | multiplied_duration '*' bare_unsigned {
1865                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1866         }
1867         | multiplied_duration '*' FRACTION {
1868                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1869
1870                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1871         }
1872         ;
1873
1874 fraction:
1875         FRACTION { $$ = $1; }
1876         | UNSIGNED '/' UNSIGNED {
1877                 $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
1878         }
1879         ;
1880
1881 dots:
1882         /* empty */     {
1883                 $$ = 0;
1884         }
1885         | dots '.' {
1886                 $$ ++;
1887         }
1888         ;
1889
1890
1891 tremolo_type:
1892         ':'     {
1893                 $$ =0;
1894         }
1895         | ':' bare_unsigned {
1896                 if (!is_is_duration ($2))
1897                         THIS->parser_error (_f ("not a duration: %d", $2));
1898                 $$ = $2;
1899         }
1900         ;
1901
1902
1903
1904 /*****************************************************************
1905                 BASS FIGURES
1906 *****************************************************************/
1907 bass_number:
1908         DIGIT   {
1909                 $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
1910         }
1911         | UNSIGNED {
1912                 $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
1913         }
1914         | STRING { $$ =  $1; }
1915         ;
1916
1917 bass_mod:
1918         '-'     { $$ = -2; }
1919         | '+'   { $$ = 2; }
1920         | '!'   { $$ = 0; }
1921         ;
1922
1923 bass_figure:
1924         FIGURE_SPACE {
1925                 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
1926                 $$ = bfr->self_scm ();
1927                 scm_gc_unprotect_object ($$);
1928         }
1929         | bass_number  {
1930                 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
1931                 $$ = bfr->self_scm ();
1932
1933                 bfr->set_property ("figure", $1);
1934
1935                 scm_gc_unprotect_object ($$);
1936         }
1937         | bass_figure bass_mod {
1938                 Music *m = unsmob_music ($1);
1939                 if ($2) {
1940                         SCM salter =m->get_property ("alteration");
1941                         int alter = gh_number_p ( salter) ? gh_scm2int (salter) : 0;
1942                         m->set_property ("alteration",
1943                                 gh_int2scm (alter + $2));
1944                 } else {
1945                         m->set_property ("alteration", gh_int2scm (0));
1946                 }
1947         }
1948         ;
1949
1950 br_bass_figure:
1951         '[' bass_figure {
1952                 $$ = $2;
1953                 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
1954         }
1955         | bass_figure   {
1956                 $$ = $1;
1957         }
1958         | br_bass_figure ']' {
1959                 $$ = $1;
1960                 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
1961         }
1962         ;
1963
1964 figure_list:
1965         /**/            {
1966                 $$ = SCM_EOL;
1967         }
1968         | figure_list br_bass_figure {
1969                 $$ = scm_cons ($2, $1);
1970         }
1971         ;
1972
1973 figure_spec:
1974         FIGURE_OPEN figure_list FIGURE_CLOSE {
1975                 Music * m = MY_MAKE_MUSIC ("EventChord");
1976                 $2 = scm_reverse_x ($2, SCM_EOL);
1977                 m->set_property ("elements",  $2);
1978                 $$ = m->self_scm ();
1979         }
1980         ;
1981
1982
1983 optional_rest:
1984         /**/   { $$ = 0; }
1985         | REST { $$ = 1; }
1986         ;
1987
1988 simple_element:
1989         pitch exclamations questions oct_check optional_notemode_duration optional_rest {
1990
1991                 Input i = THIS->pop_spot ();
1992                 if (!THIS->lexer_->is_note_state ())
1993                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1994
1995                 Music *n = 0;
1996                 if ($6)
1997                         n =  MY_MAKE_MUSIC ("RestEvent");
1998                 else
1999                         n =  MY_MAKE_MUSIC ("NoteEvent");
2000
2001                 n->set_property ("pitch", $1);
2002                 n->set_property ("duration", $5);
2003
2004                 if (gh_number_p ($4))
2005                 {
2006                         int q = gh_scm2int ($4);
2007                         n->set_property ("absolute-octave", gh_int2scm (q-1));
2008                 }
2009
2010                 if ($3 % 2)
2011                         n->set_property ("cautionary", SCM_BOOL_T);
2012                 if ($2 % 2 || $3 % 2)
2013                         n->set_property ("force-accidental", SCM_BOOL_T);
2014
2015                 Music *v = MY_MAKE_MUSIC ("EventChord");
2016                 v->set_property ("elements", scm_list_1 (n->self_scm ()));
2017                 scm_gc_unprotect_object (n->self_scm ());
2018
2019                 v->set_spot (i);
2020                 n->set_spot (i);
2021                 $$ = v;
2022         }
2023         | DRUM_PITCH optional_notemode_duration {
2024                 Input i = THIS->pop_spot ();
2025
2026                 Music *n =  MY_MAKE_MUSIC ("NoteEvent");
2027                 n->set_property ("duration" ,$2);
2028                 n->set_property ("drum-type" , $1);
2029
2030                 Music *v = MY_MAKE_MUSIC ("EventChord");
2031                 v->set_property ("elements", scm_list_1 (n->self_scm ()));
2032                 scm_gc_unprotect_object (n->self_scm ());
2033                 v->set_spot (i);
2034                 n->set_spot (i);
2035                 $$ = v;
2036
2037         }
2038         | figure_spec optional_notemode_duration {
2039                 Music * m = unsmob_music ($1);
2040                 Input i = THIS->pop_spot ();
2041                 m->set_spot (i);
2042                 for (SCM s = m->get_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
2043                 {
2044                         unsmob_music (ly_car (s))->set_property ("duration", $2);
2045                 }
2046                 $$ = m;
2047         }
2048         | RESTNAME optional_notemode_duration           {
2049
2050                 Input i = THIS->pop_spot ();
2051                 Music * ev = 0;
2052                 if (ly_scm2string ($1) =="s") {
2053                         /* Space */
2054                         ev = MY_MAKE_MUSIC ("SkipEvent");
2055                   }
2056                 else {
2057                         ev = MY_MAKE_MUSIC ("RestEvent");
2058
2059                     }
2060                 ev->set_property ("duration" ,$2);
2061                 ev->set_spot (i);
2062                 Music * velt = MY_MAKE_MUSIC ("EventChord");
2063                 velt->set_property ("elements", scm_list_1 (ev->self_scm ()));
2064                 velt->set_spot (i);
2065
2066                 scm_gc_unprotect_object (ev->self_scm ());
2067
2068                 $$ = velt;
2069         }
2070         | MULTI_MEASURE_REST optional_notemode_duration         {
2071                 THIS->pop_spot ();
2072
2073                 static SCM proc ;
2074                 if (!proc)
2075                         proc = scm_c_eval_string ("make-multi-measure-rest");
2076
2077                 SCM mus = scm_call_2 (proc, $2,
2078                         make_input (THIS->here_input ()));
2079                 scm_gc_protect_object (mus);
2080                 $$ = unsmob_music (mus);
2081         }
2082
2083         | lyric_element optional_notemode_duration      {
2084                 Input i = THIS->pop_spot ();
2085                 if (!THIS->lexer_->is_lyric_state ())
2086                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
2087
2088                 Music * lreq = MY_MAKE_MUSIC ("LyricEvent");
2089                 lreq->set_property ("text", $1);
2090                 lreq->set_property ("duration",$2);
2091                 lreq->set_spot (i);
2092                 Music * velt = MY_MAKE_MUSIC ("EventChord");
2093                 velt->set_property ("elements", scm_list_1 (lreq->self_scm ()));
2094
2095                 $$= velt;
2096         }
2097         | new_chord {
2098                 THIS->pop_spot ();
2099
2100                 if (!THIS->lexer_->is_chord_state ())
2101                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
2102                 $$ = unsmob_music ($1);
2103         }
2104         ;
2105
2106 lyric_element:
2107         full_markup { $$ = $1; }
2108         | STRING {  $$ = $1 ; }
2109         ;
2110
2111 new_chord:
2112         steno_tonic_pitch optional_notemode_duration   {
2113                 $$ = make_chord ($1, $2, SCM_EOL);
2114         }
2115         | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
2116                 SCM its = scm_reverse_x ($4, SCM_EOL);
2117                 $$ = make_chord ($1, $2, gh_cons ($3, its));
2118         }
2119         ;
2120
2121 chord_items:
2122         /**/ {
2123                 $$ = SCM_EOL;
2124         }
2125         | chord_items chord_item {
2126                 $$ = gh_cons ($2, $$);
2127         }
2128         ;
2129
2130 chord_separator:
2131         CHORD_COLON {
2132                 $$ = ly_symbol2scm ("chord-colon");
2133         }
2134         | CHORD_CARET {
2135                 $$ = ly_symbol2scm ("chord-caret");
2136         }
2137         | CHORD_SLASH steno_tonic_pitch {
2138                 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
2139         }
2140         | CHORD_BASS steno_tonic_pitch {
2141                 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
2142         }
2143         ;
2144
2145 chord_item:
2146         chord_separator {
2147                 $$ = $1;
2148         }
2149         | step_numbers {
2150                 $$ = scm_reverse_x ($1, SCM_EOL);
2151         }
2152         | CHORD_MODIFIER  {
2153                 $$ = $1;
2154         }
2155         ;
2156
2157 step_numbers:
2158         step_number { $$ = gh_cons ($1, SCM_EOL); }
2159         | step_numbers '.' step_number {
2160                 $$ = gh_cons ($3, $$);
2161         }
2162         ;
2163
2164 step_number:
2165         bare_unsigned {
2166                 $$ = make_chord_step ($1, 0);
2167         }
2168         | bare_unsigned '+' {
2169                 $$ = make_chord_step ($1, SHARP);
2170         }
2171         | bare_unsigned CHORD_MINUS {
2172                 $$ = make_chord_step ($1, FLAT);
2173         }
2174         ;
2175
2176 /*
2177         UTILITIES
2178
2179 TODO: should deprecate in favor of Scheme?
2180
2181  */
2182 number_expression:
2183         number_expression '+' number_term {
2184                 $$ = scm_sum ($1, $3);
2185         }
2186         | number_expression '-' number_term {
2187                 $$ = scm_difference ($1, $3);
2188         }
2189         | number_term
2190         ;
2191
2192 number_term:
2193         number_factor {
2194                 $$ = $1;
2195         }
2196         | number_factor '*' number_factor {
2197                 $$ = scm_product ($1, $3);
2198         }
2199         | number_factor '/' number_factor {
2200                 $$ = scm_divide ($1, $3);
2201         }
2202         ;
2203
2204 number_factor:
2205         '-'  number_factor { /* %prec UNARY_MINUS */
2206                 $$ = scm_difference ($2, SCM_UNDEFINED);
2207         }
2208         | bare_number
2209         ;
2210
2211
2212 bare_number:
2213         UNSIGNED        {
2214                 $$ = gh_int2scm ($1);
2215         }
2216         | REAL          {
2217                 $$ = $1;
2218         }
2219         | NUMBER_IDENTIFIER             {
2220                 $$ = $1;
2221         }
2222         | REAL NUMBER_IDENTIFIER        {
2223                 $$ = gh_double2scm (gh_scm2double ($1) * gh_scm2double ($2));
2224         }
2225         | UNSIGNED NUMBER_IDENTIFIER    {
2226                 $$ = gh_double2scm ($1 * gh_scm2double ($2));
2227         }
2228         ;
2229
2230
2231 bare_unsigned:
2232         UNSIGNED {
2233                         $$ = $1;
2234         }
2235         | DIGIT {
2236                 $$ = $1;
2237         }
2238         ;
2239
2240 bare_int:
2241         bare_number {
2242                 if (scm_integer_p ($1) == SCM_BOOL_T)
2243                 {
2244                         int k = gh_scm2int ($1);
2245                         $$ = k;
2246                 } else
2247                 {
2248                         THIS->parser_error (_ ("need integer number arg"));
2249                         $$ = 0;
2250                 }
2251         }
2252         | '-' bare_int {
2253                 $$ = -$2;
2254         }
2255         ;
2256
2257
2258 string:
2259         STRING          {
2260                 $$ = $1;
2261         }
2262         | STRING_IDENTIFIER     {
2263                 $$ = $1;
2264         }
2265         | string '+' string {
2266                 $$ = scm_string_append (scm_list_2 ($1, $3));
2267         }
2268         ;
2269
2270
2271 exclamations:
2272                 { $$ = 0; }
2273         | exclamations '!'      { $$ ++; }
2274         ;
2275
2276 questions:
2277                 { $$ = 0; }
2278         | questions '?' { $$ ++; }
2279         ;
2280
2281
2282
2283 full_markup:
2284         MARKUP_IDENTIFIER {
2285                 $$ = $1;
2286         }
2287         | MARKUP
2288                 { THIS->lexer_->push_markup_state (); }
2289         markup
2290                 { $$ = $3;
2291                   THIS->lexer_->pop_state ();
2292                 }
2293         ;
2294
2295
2296 /*
2297 This should be done more dynamically if possible.
2298 */
2299 markup:
2300         STRING {
2301                 $$ = make_simple_markup ($1);
2302         }
2303         | MARKUP_HEAD_EMPTY {
2304                 $$ = scm_list_1 ($1);
2305         }
2306         | MARKUP_HEAD_MARKUP0 markup {
2307                 $$ = scm_list_2 ($1, $2);
2308         }
2309         | MARKUP_HEAD_MARKUP0_MARKUP1 markup markup {
2310                 $$ = scm_list_3 ($1, $2, $3);
2311         }
2312         | MARKUP_HEAD_SCM0_MARKUP1 SCM_T markup {
2313                 $$  = scm_list_3 ($1, $2, $3);
2314         }
2315         | markup_line {
2316                 $$ = $1;
2317         }
2318         | MARKUP_HEAD_LIST0 markup_list {
2319                 $$ = scm_list_2 ($1,$2);
2320         }
2321         | MARKUP_HEAD_SCM0 embedded_scm {
2322                 $$ = scm_list_2 ($1, $2);
2323         }
2324         | MARKUP_HEAD_SCM0_SCM1_MARKUP2 embedded_scm embedded_scm markup {
2325                 $$ = scm_list_4 ($1, $2, $3, $4);
2326         }
2327         | MARKUP_HEAD_SCM0_SCM1_SCM2 embedded_scm embedded_scm embedded_scm {
2328                 $$ = scm_list_4 ($1, $2, $3, $4);
2329         }
2330         | MARKUP_HEAD_SCM0_SCM1 embedded_scm embedded_scm {
2331                 $$ = scm_list_3 ($1, $2, $3);
2332         }
2333         | MARKUP_IDENTIFIER {
2334                 $$ = $1;
2335         }
2336         | STRING_IDENTIFIER {
2337                 $$ = $1;
2338         }
2339         ;
2340
2341 markup_list:
2342         chord_open markup_list_body chord_close { $$ = scm_reverse_x ($2, SCM_EOL); }
2343         ;
2344
2345 markup_line:
2346         '{' markup_list_body '}' {
2347                 static SCM line ;
2348                 if (!line)
2349                         line = scm_c_eval_string ("line-markup");
2350
2351                 $$ = scm_list_2 (line, scm_reverse_x ($2, SCM_EOL));
2352         }
2353         ;
2354
2355 markup_list_body:
2356         /**/ {  $$ = SCM_EOL; }
2357         | markup_list_body markup {
2358                 $$ = gh_cons ($2, $1) ;
2359         }
2360         ;
2361
2362
2363 %%
2364
2365 void
2366 My_lily_parser::set_yydebug (bool )
2367 {
2368 #if 0
2369         yydebug = 1;
2370 #endif
2371 }
2372
2373 extern My_lily_parser * current_parser;
2374
2375 void
2376 My_lily_parser::do_yyparse ()
2377 {
2378         current_parser = this;;
2379         yyparse ((void*)this);
2380 }
2381
2382
2383 /*
2384 Should make this optional?    It will also complain when you do
2385
2386         [s4]
2387
2388 which is entirely legitimate.
2389
2390 Or we can scrap it. Barchecks should detect wrong durations, and
2391 skipTypesetting speeds it up a lot.
2392 */
2393
2394 void
2395 My_lily_parser::beam_check (SCM dur)
2396 {
2397   Duration *d = unsmob_duration (dur);
2398   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2399     {
2400       Music * m = unsmob_music (last_beam_start_);
2401       m->origin ()->warning (_("Suspect duration found following this beam"));
2402     }
2403   last_beam_start_ = SCM_EOL;
2404 }
2405
2406
2407
2408
2409 /*
2410
2411 It is a little strange to have this function in this file, but
2412 otherwise, we have to import music classes into the lexer.
2413
2414 */
2415 int
2416 My_lily_lexer::try_special_identifiers (SCM * destination, SCM sid)
2417 {
2418         if (gh_string_p (sid)) {
2419                 *destination = sid;
2420                 return STRING_IDENTIFIER;
2421         } else if (gh_number_p (sid)) {
2422                 *destination = sid;
2423                 return NUMBER_IDENTIFIER;
2424         } else if (unsmob_context_def (sid)) {
2425                 *destination = unsmob_context_def (sid)->clone_scm ();
2426                 return CONTEXT_DEF_IDENTIFIER;
2427         } else if (unsmob_score (sid)) {
2428                 Score *sc =  new Score (*unsmob_score (sid));
2429                 *destination =sc->self_scm ();
2430                 return SCORE_IDENTIFIER;
2431         } else if (Music * mus =unsmob_music (sid)) {
2432                 mus = mus->clone ();
2433                 *destination = mus->self_scm ();
2434                 unsmob_music (*destination)->
2435                         set_property ("origin", make_input (last_input_));
2436                 return dynamic_cast<Event*> (mus)
2437                         ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
2438         } else if (unsmob_duration (sid)) {
2439                 *destination = unsmob_duration (sid)->smobbed_copy ();
2440                 return DURATION_IDENTIFIER;
2441         } else if (unsmob_music_output_def (sid)) {
2442                 Music_output_def *p = unsmob_music_output_def (sid);
2443                 p = p->clone ();
2444
2445                 *destination = p->self_scm ();
2446                 return MUSIC_OUTPUT_DEF_IDENTIFIER;
2447         } else if (Text_item::markup_p (sid)) {
2448                 *destination = sid;
2449                 return MARKUP_IDENTIFIER;
2450         }
2451
2452         return -1;
2453 }
2454
2455 Music *
2456 property_op_to_music (SCM op)
2457 {
2458         Music * m = 0;
2459         SCM tag = gh_car (op);
2460         SCM symbol  = gh_cadr (op);
2461         SCM args = gh_cddr (op);
2462         SCM grob_val = SCM_UNDEFINED;
2463         SCM grob_sym = SCM_UNDEFINED;
2464         SCM val = SCM_UNDEFINED;
2465
2466         if (tag == ly_symbol2scm ("assign"))
2467                 {
2468                 m =  MY_MAKE_MUSIC ("PropertySet");
2469                 val = gh_car (args);
2470                 }
2471         else if (tag == ly_symbol2scm ("unset"))
2472                 m =  MY_MAKE_MUSIC ("PropertyUnset");
2473         else if (tag == ly_symbol2scm ("poppush")
2474                  || tag == ly_symbol2scm ("push"))
2475                 {
2476                 m  = MY_MAKE_MUSIC ("OverrideProperty");
2477                 grob_sym = gh_car (args);
2478                 grob_val = gh_cadr (args);
2479                 }
2480         else if (tag == ly_symbol2scm ("pop")) {
2481                 m = MY_MAKE_MUSIC ("RevertProperty");
2482                 grob_sym = gh_car (args);
2483                 }
2484
2485         m->set_property ("symbol", symbol);
2486
2487         if (val != SCM_UNDEFINED)
2488                 m->set_property ("value", val);
2489         if (grob_val != SCM_UNDEFINED)
2490                 m->set_property ("grob-value", grob_val);
2491
2492         if (grob_sym != SCM_UNDEFINED)
2493                 {
2494                 bool itc = internal_type_checking_global_b;
2495                 /* UGH.
2496                 */
2497                 bool autobeam = gh_equal_p (symbol, ly_symbol2scm ("autoBeamSettings"));
2498                 if (autobeam)
2499                         internal_type_checking_global_b = false;
2500                 m->set_property ("grob-property", grob_sym);
2501                 if (autobeam)
2502                         internal_type_checking_global_b = itc;
2503                 }
2504
2505         if (op == ly_symbol2scm ("poppush"))
2506                 m->set_property ("pop-first", SCM_BOOL_T);
2507
2508
2509         return m;
2510 }
2511
2512 Music*
2513 context_spec_music (SCM type, SCM id, Music * m, SCM ops)
2514 {
2515         Music * csm = MY_MAKE_MUSIC ("ContextSpeccedMusic");
2516
2517         csm->set_property ("element", m->self_scm ());
2518         scm_gc_unprotect_object (m->self_scm ());
2519
2520         csm->set_property ("context-type",
2521                 gh_symbol_p (type) ? type : scm_string_to_symbol (type));
2522         csm->set_property ("property-operations", ops);
2523
2524         if (gh_string_p (id))
2525                 csm->set_property ("context-id", id);
2526         return csm;
2527 }
2528
2529
2530 SCM
2531 get_next_unique_context ()
2532 {
2533         static int new_context_count;
2534
2535         char s[1024];
2536         snprintf (s, 1024, "uniqueContext%d", new_context_count ++);
2537
2538         return scm_makfrom0str (s);
2539 }
2540