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 /*
 129   isalpha (*s);
 130   s++;
 131 */
 132   while (*s && v)
 133    {
 134         v = v && isalnum (*s);
 135         s++;
 136    }
 137   return v;
 138 }
 139
 140 SCM
 141 make_simple_markup (SCM a)
 142 {
 143         static SCM simple;
 144         if (!simple)
 145         simple = scm_c_eval_string ("simple-markup");
 146
 147         return scm_list_2 (simple, a);
 148 }
 149
 150
 151 bool
 152 is_is_duration (int t)
 153 {
 154   return t && t == 1 << intlog2 (t);
 155 }
 156
 157 void
 158 set_music_properties (Music *p, SCM a)
 159 {
 160   for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
 161         {
 162         p->internal_set_property (ly_caar (k), ly_cdar (k));
 163         }
 164 }
 165
 166 SCM
 167 make_chord_step (int step, int alter)
 168 {
 169         if (step == 7)
 170                 alter += FLAT;
 171
 172         while(step < 0)
 173                 step += 7;
 174         Pitch m((step -1) / 7 , (step - 1) % 7, alter);
 175         return m.smobbed_copy ();
 176 }
 177
 178
 179 SCM
 180 make_chord (SCM pitch, SCM dur, SCM modification_list)
 181 {
 182         static SCM chord_ctor;
 183         if (!chord_ctor)
 184                 chord_ctor= scm_c_eval_string ("construct-chord");
 185         SCM ch=  scm_call_3 (chord_ctor, pitch, dur, modification_list);
 186         scm_gc_protect_object (ch);
 187         return ch;
 188 }
 189
 190 /*
 191   Todo: actually also use apply iso. call too ...
 192 */
 193 bool
 194 ly_input_procedure_p (SCM x)
 195 {
 196         return gh_procedure_p (x)
 197                 || (gh_pair_p (x) && gh_procedure_p (gh_car (x)));
 198 }
 199
 200 Music*
 201 set_property_music (SCM sym, SCM value)
 202 {
 203         Music * p = MY_MAKE_MUSIC ("PropertySet");
 204         p->set_property ("symbol", sym);
 205         p->set_property ("value", value);
 206         return p;
 207 }
 208
 209 %}
 210
 211 /* We use SCMs to do strings, because it saves us the trouble of
 212 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 213 of the parse stack onto the heap. */
 214
 215
 216 %union {
 217         String * string;
 218     Music *music;
 219     Score *score;
 220     Music_output_def * outputdef;
 221     SCM scm;
 222     int i;
 223 }
 224 %{
 225
 226 int
 227 yylex (YYSTYPE *s,  void * v)
 228 {
 229         My_lily_parser   *pars = (My_lily_parser*) v;
 230         My_lily_lexer * lex = pars->lexer_;
 231
 232         lex->lexval = (void*) s;
 233         lex->prepare_for_next_token ();
 234         return lex->yylex ();
 235 }
 236
 237
 238 %}
 239
 240 %pure_parser
 241
 242
 243 %token ACCEPTS
 244 %token ADDLYRICS
 245 %token ADDQUOTE
 246 %token NEWADDLYRICS
 247 %token ALIAS
 248 %token ALTERNATIVE
 249 %token APPLY
 250 %token APPLYCONTEXT
 251 %token APPLYOUTPUT
 252 %token AUTOCHANGE
 253 %token BAR
 254 %token BREATHE
 255 %token CHANGE
 256 %token CHORDMODIFIERS
 257 %token CHORDS
 258 %token LESSLESS
 259 %token MOREMORE
 260 %token CLEF
 261 %token COMMANDSPANREQUEST
 262 %token CONSISTS
 263 %token CONSISTSEND
 264 %token CONTEXT
 265 %token DEFAULT
 266 %token DENIES
 267 %token DESCRIPTION
 268 %token EXTENDER
 269 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 270 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
 271 %token GRACE
 272 %token ACCIACCATURA
 273 %token APPOGGIATURA
 274 %token GROBDESCRIPTIONS
 275 %token HEADER
 276 %token HYPHEN
 277 %token INVALID
 278 %token KEY
 279 %token LYRICS
 280 %token MARK
 281 %token MIDI
 282 %token MULTI_MEASURE_REST
 283 %token NAME
 284 %token NEWCONTEXT
 285 %token NOTES
 286 %token OCTAVE
 287 %token ONCE
 288 %token OVERRIDE SET REVERT
 289 %token PAPER
 290 %token PARTCOMBINE
 291 %token PARTIAL
 292 %token QUOTE
 293 %token RELATIVE
 294 %token REMOVE
 295 %token REPEAT
 296 %token REST
 297 %token SCM_T
 298 %token SCORE
 299 %token SEQUENTIAL
 300 %token SIMULTANEOUS
 301 %token SKIP
 302 %token SPANREQUEST
 303 %token TAG
 304 %token TEMPO
 305 %token TIMES
 306 %token TIME_T
 307 %token TRANSPOSE
 308 %token TRANSPOSITION
 309 %token TYPE
 310 %token UNSET
 311 %token WITH
 312
 313 /* escaped */
 314 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 315 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 316 %token E_BACKSLASH
 317 %token <i> E_UNSIGNED
 318 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
 319 %token FIGURE_SPACE
 320
 321 %type <i>       exclamations questions dots optional_rest
 322 %type <i>        bass_mod
 323 %type <scm>     grace_head
 324 %type <scm>     oct_check
 325 %type <scm>     context_mod_list
 326 %type <scm>     lyric_element
 327 %type <scm>     bass_number br_bass_figure bass_figure figure_list figure_spec
 328 %token <i>      DIGIT
 329 %token <scm>    NOTENAME_PITCH
 330 %token <scm>    TONICNAME_PITCH
 331 %token <scm>    CHORDMODIFIER_PITCH
 332 %token <scm>    DURATION_IDENTIFIER
 333 %token <scm>    FRACTION
 334 %token <id>     IDENTIFIER
 335 %token DRUMS
 336 %token <scm>    DRUM_PITCH
 337 %token <scm>    CHORD_MODIFIER
 338 %token <scm>    SCORE_IDENTIFIER
 339 %token <scm>    MUSIC_OUTPUT_DEF_IDENTIFIER
 340 %token <scm>    NUMBER_IDENTIFIER
 341 %token <scm>    EVENT_IDENTIFIER
 342 %token <scm>    MUSIC_IDENTIFIER CONTEXT_DEF_IDENTIFIER
 343 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 344 %token <scm>    RESTNAME
 345 %token <scm>    STRING
 346 %token <scm>    SCM_T
 347 %token <i>      UNSIGNED
 348 %token <scm>   REAL
 349
 350 %token MARKUP
 351 %token <scm> MARKUP_HEAD_MARKUP0
 352 %token <scm> MARKUP_HEAD_EMPTY
 353 %token <scm> MARKUP_HEAD_MARKUP0_MARKUP1
 354 %token <scm> MARKUP_HEAD_SCM0
 355 %token <scm> MARKUP_HEAD_SCM0_MARKUP1
 356 %token <scm> MARKUP_HEAD_SCM0_SCM1
 357 %token <scm> MARKUP_HEAD_SCM0_SCM1_SCM2
 358 %token <scm> MARKUP_HEAD_SCM0_SCM1_MARKUP2
 359
 360 %token <scm> MARKUP_IDENTIFIER MARKUP_HEAD_LIST0
 361 %type <scm> markup markup_line markup_list  markup_list_body full_markup
 362
 363 %type <outputdef> output_def
 364 %type <scm>     lilypond_header lilypond_header_body
 365 %type <music>   open_event close_event
 366 %type <i>       sub_quotes sup_quotes
 367 %type <music>   simple_element  event_chord command_element Simple_music  Composite_music
 368 %type <music>   Repeated_music
 369 %type <scm>     Alternative_music
 370 %type <i>       tremolo_type
 371 %type <i>       bare_int  bare_unsigned
 372 %type <i>       script_dir
 373 %type <scm>     identifier_init
 374
 375 %type <music> note_chord_element chord_body chord_body_element
 376 %type <scm>  chord_body_elements
 377 %type <scm> steno_duration optional_notemode_duration multiplied_duration
 378
 379 %type <scm>   post_events
 380 %type <music> gen_text_def direction_less_event direction_reqd_event
 381 %type <scm>   steno_pitch pitch absolute_pitch pitch_also_in_chords
 382 %type <scm>    steno_tonic_pitch
 383 %type <scm>     duration_length fraction
 384
 385 %type <scm> new_chord step_number chord_items chord_item chord_separator step_numbers
 386
 387 %type <scm>  embedded_scm scalar
 388 %type <music>   Music Sequential_music Simultaneous_music
 389 %type <music>   relative_music re_rhythmed_music
 390 %type <music>   music_property_def context_change
 391 %type <scm> context_prop_spec
 392 %type <scm> Music_list
 393 %type <scm> property_operation context_mod context_def_mod optional_context_mod
 394 %type <outputdef>  music_output_def_body music_output_def_head
 395 %type <music>   post_event tagged_post_event
 396 %type <music> command_req
 397 %type <music> string_number_event
 398 %type <scm>     string bare_number number_expression number_term number_factor
 399 %type <score>   score_block score_body
 400
 401 %type <scm>     context_def_spec_block context_def_spec_body
 402 %type <music>   tempo_event
 403 %type <scm>     script_abbreviation
 404
 405
 406
 407 %left '-' '+'
 408
 409 /* We don't assign precedence to / and *, because we might need varied
 410 prec levels in different prods */
 411
 412 %left UNARY_MINUS
 413
 414 %%
 415
 416 lilypond:       /* empty */
 417         | lilypond toplevel_expression {}
 418         | lilypond assignment  { }
 419         | lilypond error {
 420                 THIS->error_level_  = 1;
 421         }
 422         | lilypond INVALID      {
 423                 THIS->error_level_  = 1;
 424         }
 425         ;
 426
 427 toplevel_expression:
 428         lilypond_header {
 429                 THIS->input_file_->header_ = $1;
 430         }
 431         | add_quote {
 432         }
 433         | score_block {
 434                 Score * sc = $1;
 435
 436                 SCM head = ly_module_p (sc->header_) ? sc->header_ : THIS->input_file_->header_.to_SCM ();
 437
 438                 Path p = split_path (THIS->output_basename_);
 439                 int *c =  &THIS->input_file_->score_count_;
 440                 if (*c)
 441                         {
 442                         p.base += "-" + to_string (*c);
 443                         }
 444
 445                 (*c)++;
 446                 SCM outname = scm_makfrom0str (p.to_string ().to_str0());
 447
 448                 for (int i=0; i < sc->defs_.size (); i++)
 449                         default_rendering (sc->music_, sc->defs_[i]->self_scm (), head, outname);
 450
 451                 if (sc->defs_.is_empty ())
 452                 {
 453                    Music_output_def *id =
 454                         unsmob_music_output_def (THIS->lexer_->lookup_identifier
 455                                 ("$defaultpaper"));
 456
 457                    id = id ? id->clone () : new Paper_def;
 458
 459                    default_rendering (sc->music_, id->self_scm (), head, outname);
 460                    scm_gc_unprotect_object (id->self_scm ());
 461                 }
 462                 scm_gc_unprotect_object (sc->self_scm ());
 463         }
 464         | output_def {
 465                 SCM id = SCM_EOL;
 466                 if (dynamic_cast<Paper_def*> ($1))
 467                         id = scm_makfrom0str ("$defaultpaper");
 468                 else if (dynamic_cast<Midi_def*> ($1))
 469                         id = scm_makfrom0str ("$defaultmidi");
 470                 THIS->lexer_->set_identifier (id,   $1->self_scm ());
 471                 scm_gc_unprotect_object ($1->self_scm ());
 472         }
 473         ;
 474
 475
 476 embedded_scm:
 477         SCM_T
 478         | SCM_IDENTIFIER
 479         ;
 480
 481
 482
 483
 484 lilypond_header_body:
 485         {
 486                 $$ = ly_make_anonymous_module ();
 487                 THIS->lexer_->add_scope ($$);
 488         }
 489         | lilypond_header_body assignment  {
 490
 491         }
 492         ;
 493
 494 lilypond_header:
 495         HEADER '{' lilypond_header_body '}'     {
 496                 $$ = THIS->lexer_->remove_scope ();
 497         }
 498         ;
 499
 500
 501 /*
 502         DECLARATIONS
 503 */
 504 assignment:
 505         STRING {
 506                 THIS->push_spot ();
 507         }
 508         /* cont */ '=' identifier_init  {
 509
 510         /*
 511                 Should find generic way of associating input with objects.
 512         */
 513                 Input ip = THIS->pop_spot ();
 514
 515                 if (! is_regular_identifier ($1))
 516                 {
 517                         ip.warning (_ ("Identifier should have alphabetic characters only"));
 518                 }
 519
 520                 THIS->lexer_->set_identifier ($1, $4);
 521
 522 /*
 523  TODO: devise standard for protection in parser.
 524
 525   The parser stack lives on the C-stack, which means that
 526 all objects can be unprotected as soon as they're here.
 527
 528 */
 529         }
 530         | embedded_scm { }
 531         ;
 532
 533
 534 identifier_init:
 535         score_block {
 536                 $$ = $1->self_scm ();
 537                 scm_gc_unprotect_object ($$);
 538         }
 539         | full_markup {
 540                 $$ = $1;
 541         }
 542         | output_def {
 543                 $$ = $1->self_scm ();
 544                 scm_gc_unprotect_object ($$);
 545         }
 546         | context_def_spec_block {
 547                 $$ = $1;
 548         }
 549         | Music  {
 550                 $$ = $1->self_scm ();
 551                 scm_gc_unprotect_object ($$);
 552         }
 553         | post_event {
 554                 $$ = $1->self_scm ();
 555                 scm_gc_unprotect_object ($$);
 556         }
 557         | number_expression {
 558                 $$ = $1;
 559         }
 560         | string {
 561                 $$ = $1;
 562         }
 563         | embedded_scm  {
 564                 $$ = $1;
 565         }
 566         ;
 567
 568 context_def_spec_block:
 569         CONTEXT '{' context_def_spec_body '}'
 570                 {
 571                 $$ = $3;
 572         }
 573         ;
 574
 575 context_def_spec_body:
 576         /**/ {
 577                 $$ = Context_def::make_scm ();
 578                 unsmob_context_def ($$)->set_spot (THIS->here_input ());
 579         }
 580         | CONTEXT_DEF_IDENTIFIER        {
 581                 $$ = $1;
 582                 unsmob_context_def ($$)->set_spot (THIS->here_input ());
 583         }
 584         | context_def_spec_body GROBDESCRIPTIONS embedded_scm {
 585                 Context_def*td = unsmob_context_def ($$);
 586
 587                 for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p)) {
 588                         SCM tag = gh_caar (p);
 589
 590                         /* TODO: should make new tag "grob-definition" ? */
 591                         td->add_context_mod (scm_list_3 (ly_symbol2scm ("assign"),
 592                                                         tag, gh_cons (ly_cdar (p), SCM_EOL)));
 593                 }
 594         }
 595         | context_def_spec_body context_mod {
 596                 unsmob_context_def ($$)->add_context_mod ($2);
 597         }
 598         ;
 599
 600 /*
 601         SCORE
 602 */
 603 score_block:
 604         SCORE {
 605                 THIS->push_spot ();
 606         }
 607         /*cont*/ '{' score_body '}'     {
 608                 THIS->pop_spot ();
 609                 $$ = $4;
 610
 611         }
 612         ;
 613
 614 score_body:
 615         Music   {
 616                 $$ = new Score;
 617
 618                 $$->set_spot (THIS->here_input ());
 619                 SCM m = $1->self_scm ();
 620                 scm_gc_unprotect_object (m);
 621
 622                 /*
 623                         guh.
 624                 */
 625                 SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
 626                 for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
 627                         m = gh_call1 (gh_car (check_funcs), m);
 628                 $$->music_ = m;
 629
 630         }
 631         | SCORE_IDENTIFIER {
 632                 $$ = new Score ( *unsmob_score ($1));
 633                 $$->set_spot (THIS->here_input ());
 634         }
 635         | score_body lilypond_header    {
 636                 $$->header_ = $2;
 637         }
 638         | score_body output_def {
 639                 $$->defs_.push ($2);
 640                 scm_gc_unprotect_object ($2->self_scm ());
 641         }
 642         | score_body error {
 643
 644         }
 645         ;
 646
 647
 648 /*
 649         MIDI
 650 */
 651 output_def:
 652         music_output_def_body '}' {
 653                 $$ = $1;
 654                 THIS-> lexer_-> remove_scope ();
 655         }
 656         ;
 657
 658 music_output_def_head:
 659         MIDI    {
 660                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 661
 662
 663                 Midi_def* p =0;
 664                 if (id)
 665                         p = dynamic_cast<Midi_def*> (id->clone ());
 666                 else
 667                         p = new Midi_def;
 668
 669                 $$ = p;
 670                 THIS->lexer_->add_scope (p->scope_);
 671         }
 672         | PAPER         {
 673                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 674                   Paper_def *p = 0;
 675                 if (id)
 676                         p = dynamic_cast<Paper_def*> (id->clone ());
 677                 else
 678                         p = new Paper_def;
 679
 680                 THIS->lexer_->add_scope (p->scope_);
 681                 $$ = p;
 682         }
 683         ;
 684
 685
 686 music_output_def_body:
 687         music_output_def_head '{' {
 688
 689         }
 690         | music_output_def_head '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 691                 scm_gc_unprotect_object ($1->self_scm ());
 692                 Music_output_def * o =  unsmob_music_output_def ($3);
 693                 $$ = o;
 694                 THIS->lexer_->remove_scope ();
 695                 THIS->lexer_->add_scope (o->scope_);
 696         }
 697         | music_output_def_body assignment  {
 698
 699         }
 700         | music_output_def_body context_def_spec_block  {
 701                 $$->assign_context_def ($2);
 702         }
 703         | music_output_def_body tempo_event  {
 704                 /*
 705                         junk this ? there already is tempo stuff in
 706                         music.
 707                 */
 708                 int m = gh_scm2int ( $2->get_property ("metronome-count"));
 709                 Duration *d = unsmob_duration ($2->get_property ("tempo-unit"));
 710                 Midi_def * md = dynamic_cast<Midi_def*> ($$);
 711                 if (md)
 712                         md->set_tempo (d->get_length (), m);
 713                 scm_gc_unprotect_object ($2->self_scm ());
 714         }
 715         | music_output_def_body error {
 716
 717         }
 718         ;
 719
 720 tempo_event:
 721         TEMPO steno_duration '=' bare_unsigned  {
 722                 $$ = MY_MAKE_MUSIC ("MetronomeChangeEvent");
 723                 $$->set_property ("tempo-unit", $2);
 724                 $$->set_property ("metronome-count", gh_int2scm ( $4));
 725         }
 726         ;
 727
 728 /*
 729 The representation of a  list is the
 730
 731   (LIST . LAST-CONS)
 732
 733  to have  efficient append.
 734 */
 735 Music_list:
 736         /* empty */ {
 737                 $$ = scm_cons (SCM_EOL, SCM_EOL);
 738         }
 739         | Music_list Music {
 740                 SCM s = $$;
 741                 SCM c = scm_cons ($2->self_scm (), SCM_EOL);
 742                 scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
 743                 if (gh_pair_p (ly_cdr (s)))
 744                         gh_set_cdr_x (ly_cdr (s), c); /* append */
 745                 else
 746                         gh_set_car_x (s, c); /* set first cons */
 747                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 748         }
 749         | Music_list error {
 750         }
 751         ;
 752
 753
 754 Music:
 755         Simple_music
 756         | Composite_music
 757         ;
 758
 759 Alternative_music:
 760         /* empty */ {
 761                 $$ = SCM_EOL;
 762         }
 763         | ALTERNATIVE '{' Music_list '}' {
 764                 $$ = $3;
 765         }
 766         ;
 767
 768 Repeated_music:
 769         REPEAT string bare_unsigned Music Alternative_music
 770         {
 771                 Music *beg = $4;
 772                 int times = $3;
 773                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 774                 if (times < scm_ilength (alts)) {
 775                   unsmob_music (gh_car (alts))
 776                     ->origin ()->warning (
 777                     _("More alternatives than repeats.  Junking excess alternatives."));
 778                   alts = ly_truncate_list (times, alts);
 779                 }
 780
 781
 782                 static SCM proc;
 783                 if (!proc)
 784                         proc = scm_c_eval_string ("make-repeated-music");
 785
 786                 SCM mus = scm_call_1 (proc, $2);
 787                 scm_gc_protect_object (mus); // UGH.
 788                 Music *r =unsmob_music (mus);
 789                 if (beg)
 790                         {
 791                         r-> set_property ("element", beg->self_scm ());
 792                         scm_gc_unprotect_object (beg->self_scm ());
 793                         }
 794                 r->set_property ("repeat-count", gh_int2scm (times >? 1));
 795
 796                 r-> set_property ("elements",alts);
 797                 if (gh_equal_p ($2, scm_makfrom0str ("tremolo"))) {
 798                         /*
 799                         we can not get durations and other stuff correct down the line, so we have to
 800                         add to the duration log here.
 801                         */
 802                         static SCM func;
 803
 804                         if (!func)
 805                                 func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
 806
 807                         int dots = ($3 % 3) ? 0 : 1;
 808                         int shift = -intlog2 ((dots) ? ($3*2/3) : $3);
 809
 810                         Sequential_music * seq = dynamic_cast<Sequential_music*> ($4);
 811
 812                         if (seq) {
 813                                 int list_len =scm_ilength (seq->music_list ());
 814                                 if (list_len != 2)
 815                                         seq->origin ()->warning ("Chord tremolo must have 2 elements.");
 816                                 shift -= 1;
 817                                 r->compress (Moment (Rational (1,list_len)));
 818                                 }
 819                         gh_call3 (func, r->self_scm (), gh_int2scm (shift),gh_int2scm (dots));
 820
 821                 }
 822                 r->set_spot (*$4->origin ());
 823
 824                 $$ = r;
 825         }
 826         ;
 827
 828 Sequential_music:
 829         SEQUENTIAL '{' Music_list '}'           {
 830                 $$ = MY_MAKE_MUSIC ("SequentialMusic");
 831                 $$->set_property ("elements", ly_car ($3));
 832                 $$->set_spot (THIS->here_input ());
 833         }
 834         | '{' Music_list '}'            {
 835                 $$ = MY_MAKE_MUSIC ("SequentialMusic");
 836                 $$->set_property ("elements", ly_car ($2));
 837                 $$->set_spot (THIS->here_input ());
 838         }
 839         ;
 840
 841 Simultaneous_music:
 842         SIMULTANEOUS '{' Music_list '}'{
 843                 $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
 844                 $$->set_property ("elements", ly_car ($3));
 845                 $$->set_spot (THIS->here_input ());
 846
 847         }
 848         | simul_open Music_list simul_close     {
 849                 $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
 850                 $$->set_property ("elements", ly_car ($2));
 851                 $$->set_spot (THIS->here_input ());
 852         }
 853         ;
 854
 855 Simple_music:
 856         event_chord             { $$ = $1; }
 857         | APPLYOUTPUT embedded_scm {
 858                 if (!ly_input_procedure_p ($2))
 859                         THIS->parser_error (_ ("\\applycontext takes function argument"));
 860                 $$ = MY_MAKE_MUSIC ("ApplyOutputEvent");
 861                 $$->set_property ("procedure", $2);
 862                 $$->set_spot (THIS->here_input ());
 863         }
 864         | APPLYCONTEXT embedded_scm {
 865                 if (!ly_input_procedure_p ($2))
 866                         THIS->parser_error (_ ("\\applycontext takes function argument"));
 867                 $$ = MY_MAKE_MUSIC ("ApplyContext");
 868                 $$->set_property ("procedure", $2);
 869                 $$->set_spot (THIS->here_input ());
 870         }
 871         | MUSIC_IDENTIFIER {
 872                 $$ = unsmob_music ($1);
 873         }
 874         | music_property_def
 875         | context_change
 876         ;
 877
 878
 879 optional_context_mod:
 880         /**/ { $$ = SCM_EOL; }
 881         | WITH '{' context_mod_list '}'  { $$ = $3; }
 882         ;
 883
 884 grace_head:
 885         GRACE  { $$ = scm_makfrom0str ("Grace"); }
 886         | ACCIACCATURA { $$ = scm_makfrom0str ("Acciaccatura"); }
 887         | APPOGGIATURA { $$ = scm_makfrom0str ("Appoggiatura"); }
 888         ;
 889
 890 context_mod_list:
 891         /* */  { $$ = SCM_EOL; }
 892         | context_mod_list context_mod  {
 893                  $$ = gh_cons ($2, $1);
 894         }
 895         ;
 896
 897 Composite_music:
 898         AUTOCHANGE Music        {
 899                 static SCM proc ;
 900                 if (!proc)
 901                         proc = scm_c_eval_string ("make-autochange-music");
 902
 903                 SCM res = scm_call_1 (proc,  $2->self_scm ());
 904                 scm_gc_unprotect_object ($2->self_scm ());
 905                 $$ = unsmob_music (res);
 906                 scm_gc_protect_object (res);
 907                 $$->set_spot (THIS->here_input ());
 908         }
 909         | PARTCOMBINE Music Music {
 910                 static SCM proc;
 911                 if (!proc)
 912                         proc = scm_c_eval_string ("make-part-combine-music");
 913
 914                 SCM res = scm_call_1 (proc, gh_list ($2->self_scm (),
 915                         $3->self_scm (), SCM_UNDEFINED));
 916                 scm_gc_unprotect_object ($3->self_scm ());
 917                 scm_gc_unprotect_object ($2->self_scm ());
 918                 $$ = unsmob_music (res);
 919                 scm_gc_protect_object (res);
 920                 $$->set_spot (THIS->here_input ());
 921         }
 922         | grace_head Music {
 923 #if 1
 924         /*
 925                 The other version is for easier debugging  of
 926                 Sequential_music_iterator in combination with grace notes.
 927         */
 928
 929 /*
 930
 931 TODO: should distinguish between both grace types in the
 932 basic music objects too, since the meaning is different.
 933
 934 */
 935
 936                 String start_str = "start" + ly_scm2string ($1) + "Music";
 937                 String stop_str = "stop" + ly_scm2string ($1) + "Music";
 938
 939                 SCM start = THIS->lexer_->lookup_identifier (start_str);
 940                 SCM stop = THIS->lexer_->lookup_identifier (stop_str);
 941
 942                 Music *startm = unsmob_music (start);
 943                 Music *stopm = unsmob_music (stop);
 944
 945                 SCM ms = SCM_EOL;
 946                 if (stopm) {
 947                         stopm = stopm->clone ();
 948                         ms = scm_cons (stopm->self_scm (), ms);
 949                         scm_gc_unprotect_object (stopm->self_scm ());
 950                 }
 951                 ms = scm_cons ($2->self_scm (), ms);
 952                 scm_gc_unprotect_object ($2->self_scm ());
 953                 if (startm) {
 954                         startm = startm->clone ();
 955                         ms = scm_cons (startm->self_scm () , ms);
 956                         scm_gc_unprotect_object (startm->self_scm ());
 957                 }
 958
 959                 Music* seq = MY_MAKE_MUSIC ("SequentialMusic");
 960                 seq->set_property ("elements", ms);
 961
 962
 963                 $$ = MY_MAKE_MUSIC ("GraceMusic");
 964                 $$->set_property ("element", seq->self_scm ());
 965                 scm_gc_unprotect_object (seq->self_scm ());
 966 #else
 967                 $$ = MY_MAKE_MUSIC ("GraceMusic");
 968                 $$->set_property ("element", $2->self_scm ());
 969                 scm_gc_unprotect_object ($2->self_scm ());
 970 #endif
 971         }
 972         | CONTEXT string '=' string optional_context_mod Music {
 973                 $$ = context_spec_music ($2, $4, $6, $5);
 974
 975         }
 976         | CONTEXT STRING optional_context_mod Music {
 977                 $$ = context_spec_music ($2, SCM_UNDEFINED, $4, $3);
 978         }
 979         | NEWCONTEXT string optional_context_mod Music {
 980                 $$ = context_spec_music ($2, get_next_unique_context (),
 981                                          $4, $3);
 982         }
 983
 984         | TIMES {
 985                 THIS->push_spot ();
 986         }
 987         /* CONTINUED */
 988                 fraction Music
 989
 990         {
 991                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 992                 Music *mp = $4;
 993
 994                 $$= MY_MAKE_MUSIC ("TimeScaledMusic");
 995                 $$->set_spot (THIS->pop_spot ());
 996
 997                 $$->set_property ("element", mp->self_scm ());
 998                 scm_gc_unprotect_object (mp->self_scm ());
 999                 $$->set_property ("numerator", gh_int2scm (n));
1000                 $$->set_property ("denominator", gh_int2scm (d));
1001                 $$->compress (Moment (Rational (n,d)));
1002
1003         }
1004         | Repeated_music                { $$ = $1; }
1005         | Simultaneous_music            { $$ = $1; }
1006         | Sequential_music              { $$ = $1; }
1007         | TRANSPOSE pitch_also_in_chords pitch_also_in_chords Music {
1008                 $$ = MY_MAKE_MUSIC ("TransposedMusic");
1009                 Music *p = $4;
1010                 Pitch from = *unsmob_pitch ($2);
1011                 Pitch to = *unsmob_pitch ($3);
1012
1013                 p->transpose (interval (from, to));
1014                 $$->set_property ("element", p->self_scm ());
1015                 scm_gc_unprotect_object (p->self_scm ());
1016         }
1017         | APPLY embedded_scm Music  {
1018                 if (!ly_input_procedure_p ($2))
1019                         {
1020                         THIS->parser_error (_ ("\\apply takes function argument"));
1021                         $$ = $3;
1022                         }
1023                 else
1024                         {
1025                         SCM ret = gh_call1 ($2, $3->self_scm ());
1026                         Music *m = unsmob_music (ret);
1027                         if (!m) {
1028                                 THIS->parser_error ("\\apply must return a Music");
1029                                 m = MY_MAKE_MUSIC ("Music");
1030                                 }
1031                         $$ = m;
1032                         }
1033         }
1034         | NOTES
1035                 {
1036                 SCM nn = THIS->lexer_->lookup_identifier ("pitchnames");
1037                 THIS->lexer_->push_note_state (alist_to_hashq (nn));
1038         }
1039         Music
1040                 { $$ = $3;
1041                   THIS->lexer_->pop_state ();
1042                 }
1043         | DRUMS
1044                 {
1045                 SCM nn = THIS->lexer_->lookup_identifier ("drumPitchNames");
1046                 THIS->lexer_->push_note_state (alist_to_hashq (nn));
1047         }
1048         Music
1049                 { $$ = $3;
1050                   THIS->lexer_->pop_state ();
1051                 }
1052         | FIGURES
1053                 { THIS->lexer_->push_figuredbass_state (); }
1054         Music
1055                 {
1056                   Music * chm = MY_MAKE_MUSIC ("UntransposableMusic");
1057                   chm->set_property ("element", $3->self_scm ());
1058                   $$ = chm;
1059                   scm_gc_unprotect_object ($3->self_scm ());
1060
1061                   THIS->lexer_->pop_state ();
1062         }
1063         | CHORDS {
1064                 SCM nn = THIS->lexer_->lookup_identifier ("chordmodifiers");
1065                 THIS->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1066                 nn = THIS->lexer_->lookup_identifier ("pitchnames");
1067                 THIS->lexer_->push_chord_state (alist_to_hashq (nn));
1068
1069         } Music {
1070                   Music * chm = MY_MAKE_MUSIC ("UnrelativableMusic");
1071                   chm->set_property ("element", $3->self_scm ());
1072                   scm_gc_unprotect_object ($3->self_scm ());
1073                   $$ = chm;
1074
1075                   THIS->lexer_->pop_state ();
1076         }
1077         | LYRICS
1078                 { THIS->lexer_->push_lyric_state (); }
1079         Music
1080                 {
1081                   $$ = $3;
1082                   THIS->lexer_->pop_state ();
1083         }
1084         | relative_music        { $$ = $1; }
1085         | re_rhythmed_music     { $$ = $1; }
1086         | TAG embedded_scm Music {
1087                 tag_music ($3, $2, THIS->here_input ());
1088                 $$ = $3;
1089         }
1090         ;
1091
1092 relative_music:
1093         RELATIVE absolute_pitch Music {
1094                 Music * p = $3;
1095                 Pitch pit = *unsmob_pitch ($2);
1096                 $$ = MY_MAKE_MUSIC ("RelativeOctaveMusic");
1097
1098                 $$->set_property ("element", p->self_scm ());
1099                 scm_gc_unprotect_object (p->self_scm ());
1100
1101
1102                 Pitch retpitch = p->to_relative_octave (pit);
1103                 if (lily_1_8_relative)
1104                         $$->set_property ("last-pitch", retpitch.smobbed_copy ());
1105         }
1106         ;
1107
1108 re_rhythmed_music:
1109         ADDLYRICS Music Music {
1110         Music*l =MY_MAKE_MUSIC ("LyricCombineMusic");
1111           l->set_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
1112           scm_gc_unprotect_object ($3->self_scm ());
1113           scm_gc_unprotect_object ($2->self_scm ());
1114           $$ = l;
1115         }
1116         | NEWADDLYRICS string Music {
1117           Music*l =MY_MAKE_MUSIC ("NewLyricCombineMusic");
1118           l->set_property ("element", $3->self_scm ());
1119           scm_gc_unprotect_object ($3->self_scm ());
1120           $$ = l;
1121           l->set_property ("associated-context", $2);
1122         }
1123         ;
1124
1125 context_change:
1126         CHANGE STRING '=' STRING  {
1127                 Music*t= MY_MAKE_MUSIC ("ContextChange");
1128                 t-> set_property ("change-to-type", scm_string_to_symbol ($2));
1129                 t-> set_property ("change-to-id", $4);
1130
1131                 $$ = t;
1132                 $$->set_spot (THIS->here_input ());
1133         }
1134         ;
1135
1136 property_operation:
1137         STRING '='  scalar {
1138                 $$ = scm_list_3 (ly_symbol2scm ("assign"),
1139                         scm_string_to_symbol ($1), $3);
1140         }
1141         | UNSET STRING {
1142                 $$ = scm_list_2 (ly_symbol2scm ("unset"),
1143                         scm_string_to_symbol ($2));
1144         }
1145         | OVERRIDE STRING embedded_scm '=' embedded_scm {
1146                 $$ = scm_list_4 (ly_symbol2scm ("push"),
1147                         scm_string_to_symbol ($2), $3, $5);
1148         }
1149         | REVERT STRING embedded_scm {
1150                 $$ = scm_list_3 (ly_symbol2scm ("pop"),
1151                         scm_string_to_symbol ($2), $3);
1152         }
1153         ;
1154
1155 context_def_mod:
1156         CONSISTSEND { $$ = ly_symbol2scm ("consists-end"); }
1157         | CONSISTS { $$ = ly_symbol2scm ("consists"); }
1158         | REMOVE { $$ = ly_symbol2scm ("remove"); }
1159
1160         | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
1161         | DENIES { $$ = ly_symbol2scm ("denies"); }
1162
1163         | ALIAS { $$ = ly_symbol2scm ("alias"); }
1164         | TYPE { $$ = ly_symbol2scm ("translator-type"); }
1165         | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
1166         | NAME { $$ = ly_symbol2scm ("context-name"); }
1167         ;
1168
1169 context_mod:
1170         property_operation { $$ = $1; }
1171         | context_def_mod STRING {
1172                 $$ = scm_list_2 ($1, $2);
1173         }
1174         ;
1175
1176 context_prop_spec:
1177         STRING  {
1178                 $$ = scm_list_2 (ly_symbol2scm ("Bottom"), scm_string_to_symbol ($1));
1179         }
1180         | STRING '.' STRING {
1181                 $$ = scm_list_2 (scm_string_to_symbol ($1), scm_string_to_symbol ($3));
1182         }
1183         ;
1184
1185 music_property_def:
1186         OVERRIDE context_prop_spec embedded_scm '=' scalar {
1187                 $$ = property_op_to_music (scm_list_4 (
1188                         ly_symbol2scm ("poppush"),
1189                         gh_cadr ($2),
1190                         $3, $5));
1191                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1192         }
1193         | REVERT context_prop_spec embedded_scm {
1194                 $$ = property_op_to_music (scm_list_3 (
1195                         ly_symbol2scm ("pop"),
1196                         gh_cadr ($2),
1197                         $3));
1198
1199                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1200         }
1201         | SET context_prop_spec '=' scalar {
1202                 $$ = property_op_to_music (scm_list_3 (
1203                         ly_symbol2scm ("assign"),
1204                         gh_cadr ($2),
1205                         $4));
1206                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1207         }
1208         | UNSET context_prop_spec {
1209                 $$ = property_op_to_music (scm_list_2 (
1210                         ly_symbol2scm ("unset"),
1211                         gh_cadr ($2)));
1212                 $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
1213         }
1214         | ONCE music_property_def {
1215                 SCM e = $2->get_property ("element");
1216                 unsmob_music (e)->set_property ("once", SCM_BOOL_T);
1217                 $$ = $2;
1218
1219         }
1220         ;
1221
1222
1223
1224 scalar:
1225         string          { $$ = $1; }
1226         | bare_int      { $$ = gh_int2scm ($1); }
1227         | embedded_scm  { $$ = $1; }
1228         | full_markup {  $$ = $1; }
1229         | DIGIT { $$ = gh_int2scm ($1); }
1230         ;
1231
1232 /*
1233 This is a trick:
1234
1235 Adding pre_events to the simple_element
1236 makes the choice between
1237
1238   string:  STRING
1239
1240 and
1241
1242   simple_element: STRING
1243
1244 a single shift/reduction conflict.
1245
1246 nevertheless, this is not very clean, and we should find a different
1247 solution.
1248
1249 */
1250 pre_events: {
1251                 THIS->push_spot ();
1252         }
1253         ;
1254
1255 event_chord:
1256         pre_events simple_element post_events   {
1257                 SCM elts = $2-> get_property ("elements");
1258
1259                 elts = gh_append2 (elts, scm_reverse_x ($3, SCM_EOL));
1260
1261                 $2->set_property ("elements", elts);
1262                 $$ = $2;
1263         }
1264         | command_element
1265         | note_chord_element
1266         ;
1267
1268
1269 note_chord_element:
1270         chord_body optional_notemode_duration post_events
1271         {
1272                 SCM dur = unsmob_duration ($2)->smobbed_copy ();
1273                 SCM es = $1->get_property ("elements");
1274                 SCM postevs = scm_reverse_x ($3, SCM_EOL);
1275
1276                 for (SCM s = es; gh_pair_p (s); s = gh_cdr (s))
1277                   unsmob_music (gh_car (s))->set_property ("duration", dur);
1278                 es = gh_append2 (es, postevs);
1279
1280                 $1-> set_property ("elements", es);
1281                 $$ = $1;
1282         }
1283         ;
1284
1285 chord_open: '<'
1286         ;
1287
1288 chord_close: '>'
1289         ;
1290
1291 simul_open: LESSLESS
1292         ;
1293
1294 simul_close: MOREMORE
1295         ;
1296
1297 chord_body:
1298         chord_open chord_body_elements chord_close
1299         {
1300                 $$ = MY_MAKE_MUSIC ("EventChord");
1301                 $$->set_property ("elements",
1302                         scm_reverse_x ($2, SCM_EOL));
1303         }
1304         ;
1305
1306 chord_body_elements:
1307         /* empty */             { $$ = SCM_EOL; }
1308         | chord_body_elements chord_body_element {
1309                 $$ = gh_cons ($2->self_scm (), $1);
1310                 scm_gc_unprotect_object ($2->self_scm ());
1311         }
1312         ;
1313
1314 chord_body_element:
1315         pitch exclamations questions post_events
1316         {
1317                 Music * n = MY_MAKE_MUSIC ("NoteEvent");
1318                 n->set_property ("pitch", $1);
1319                 if ($3 % 2)
1320                         n->set_property ("cautionary", SCM_BOOL_T);
1321                 if ($2 % 2 || $3 % 2)
1322                         n->set_property ("force-accidental", SCM_BOOL_T);
1323
1324                 if (gh_pair_p ($4)) {
1325                         SCM arts = scm_reverse_x ($4, SCM_EOL);
1326                         n->set_property ("articulations", arts);
1327                 }
1328                 $$ = n;
1329         }
1330         | DRUM_PITCH post_events {
1331                 Music *n =  MY_MAKE_MUSIC ("NoteEvent");
1332                 n->set_property ("duration" ,$2);
1333                 n->set_property ("drum-type" , $1);
1334                 n->set_spot (THIS->here_input ());
1335
1336                 if (gh_pair_p ($2)) {
1337                         SCM arts = scm_reverse_x ($2, SCM_EOL);
1338                         n->set_property ("articulations", arts);
1339                 }
1340                 $$ = n;
1341         }
1342         ;
1343
1344 add_quote:
1345         ADDQUOTE string Music {
1346                 static SCM adder;
1347                 if (!adder)
1348                         adder = scm_c_eval_string ("add-quotable");
1349
1350                 scm_call_2 (adder, $2, $3->self_scm ());
1351                 scm_gc_unprotect_object ($3->self_scm ());
1352         }
1353         ;
1354
1355 command_element:
1356         command_req {
1357                 $$ = MY_MAKE_MUSIC ("EventChord");
1358                 $$->set_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
1359                 scm_gc_unprotect_object ($1->self_scm ());
1360
1361                 $$-> set_spot (THIS->here_input ());
1362                 $1-> set_spot (THIS->here_input ());
1363         }
1364         | SKIP duration_length {
1365                 Music * skip = MY_MAKE_MUSIC ("SkipMusic");
1366                 skip->set_property ("duration", $2);
1367
1368                 $$ = skip;
1369         }
1370         | QUOTE STRING duration_length {
1371                 SCM tab = THIS->lexer_->lookup_identifier ("musicQuotes");
1372                 SCM evs =  SCM_EOL;
1373                 if (scm_hash_table_p (tab) == SCM_BOOL_T)
1374                 {
1375                         SCM key = $2; // use symbol?
1376                         evs = scm_hash_ref (tab, key, SCM_BOOL_F);
1377                 }
1378                 Music * quote = 0;
1379                 if (gh_vector_p (evs))
1380                 {
1381                         quote = MY_MAKE_MUSIC ("QuoteMusic");
1382                         quote->set_property ("duration", $3);
1383                         quote->set_property ("quoted-events", evs);
1384                 } else {
1385                         THIS->here_input ().warning (_f ("Can\'t find music"));
1386                         quote = MY_MAKE_MUSIC ("Event");
1387                 }
1388                 quote->set_spot (THIS->here_input ());
1389                 $$ = quote;
1390         }
1391         | OCTAVE { THIS->push_spot (); }
1392           pitch {
1393                 Music *l = MY_MAKE_MUSIC ("RelativeOctaveCheck");
1394                 $$ = l;
1395                 $$->set_spot (THIS->pop_spot ());
1396                 $$->set_property ("pitch", $3);
1397         }
1398         | E_LEFTSQUARE {
1399                 Music *l = MY_MAKE_MUSIC ("LigatureEvent");
1400                 l->set_property ("span-direction", gh_int2scm (START));
1401                 l->set_spot (THIS->here_input ());
1402
1403                 $$ = MY_MAKE_MUSIC ("EventChord");
1404                 $$->set_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1405                 scm_gc_unprotect_object (l->self_scm ());
1406                 $$->set_spot (THIS->here_input ());
1407         }
1408         | E_RIGHTSQUARE {
1409                 Music *l = MY_MAKE_MUSIC ("LigatureEvent");
1410                 l->set_property ("span-direction", gh_int2scm (STOP));
1411                 l->set_spot (THIS->here_input ());
1412
1413                 $$ = MY_MAKE_MUSIC ("EventChord");
1414                 $$->set_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1415                 $$->set_spot (THIS->here_input ());
1416                 scm_gc_unprotect_object (l->self_scm ());
1417         }
1418         | E_BACKSLASH {
1419                 $$ = MY_MAKE_MUSIC ("VoiceSeparator");
1420                 $$->set_spot (THIS->here_input ());
1421         }
1422         | '|'      {
1423
1424                 $$ = MY_MAKE_MUSIC ("BarCheck");
1425                 $$->set_spot (THIS->here_input ());
1426         }
1427         | TRANSPOSITION pitch {
1428                 $$ = set_property_music (ly_symbol2scm ("instrumentTransposition"),
1429                                         $2);
1430                 $$->set_spot (THIS-> here_input ());
1431                 $$ = context_spec_music (ly_symbol2scm ("Staff"), SCM_UNDEFINED,
1432                         $$ , SCM_EOL);
1433         }
1434         | BAR STRING                    {
1435                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1436
1437                 Music *csm = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
1438                                         t, SCM_EOL);
1439                 $$ = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED, csm, SCM_EOL);
1440                 $$->set_spot (THIS->here_input ());
1441                 t->set_spot (THIS->here_input ());
1442         }
1443         | PARTIAL duration_length       {
1444                 Moment m = - unsmob_duration ($2)->get_length ();
1445                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1446                 p->set_spot (THIS->here_input ());
1447                 p = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
1448                                         p, SCM_EOL);
1449                 p = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED,
1450                                         p, SCM_EOL);
1451                 $$ =p ;
1452         }
1453         | CLEF STRING  {
1454                 static SCM proc ;
1455                 if (!proc)
1456                         proc = scm_c_eval_string ("make-clef-set");
1457
1458                 SCM result = scm_call_1 (proc, $2);
1459                 scm_gc_protect_object (result);
1460                 $$ = unsmob_music (result);
1461         }
1462         | TIME_T fraction  {
1463                 static SCM proc;
1464                 if (!proc)
1465                         proc = scm_c_eval_string ("make-time-signature-set");
1466
1467                 SCM result = scm_apply_2   (proc, gh_car ($2), gh_cdr ($2), SCM_EOL);
1468                 scm_gc_protect_object (result);
1469                 $$ = unsmob_music (result);
1470         }
1471         | MARK scalar {
1472                 static SCM proc;
1473                 if (!proc)
1474                         proc = scm_c_eval_string ("make-mark-set");
1475
1476                 SCM result = scm_call_1 (proc, $2);
1477                 scm_gc_protect_object (result);
1478                 $$ = unsmob_music (result);
1479         }
1480         ;
1481
1482 command_req:
1483         BREATHE {
1484                 $$ = MY_MAKE_MUSIC ("BreathingSignEvent");
1485         }
1486         | E_TILDE {
1487                 $$ = MY_MAKE_MUSIC ("PesOrFlexaEvent");
1488         }
1489         | MARK DEFAULT  {
1490                 Music * m = MY_MAKE_MUSIC ("MarkEvent");
1491                 $$ = m;
1492         }
1493         | tempo_event {
1494                 $$ = $1;
1495         }
1496         | KEY DEFAULT {
1497                 Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
1498                 $$ = key;
1499         }
1500         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1501
1502                 Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
1503                 if (scm_ilength ($3) > 0)
1504                 {
1505                         key->set_property ("pitch-alist", $3);
1506                         key->set_property ("tonic", Pitch (0,0,0).smobbed_copy ());
1507                         ((Music*)key)->transpose (* unsmob_pitch ($2));
1508                 } else {
1509                         THIS->parser_error (_("Second argument must be pitch list."));
1510                 }
1511
1512                 $$ = key;
1513         }
1514         ;
1515
1516 post_events:
1517         /* empty */ {
1518                 $$ = SCM_EOL;
1519         }
1520         | post_events post_event {
1521                 $2->set_spot (THIS->here_input ());
1522                 $$ = gh_cons ($2->self_scm (), $$);
1523                 scm_gc_unprotect_object ($2->self_scm ());
1524         }
1525         | post_events tagged_post_event {
1526                 $2 -> set_spot (THIS->here_input ());
1527                 $$ = scm_cons ($2->self_scm (), $$);
1528                 scm_gc_unprotect_object ($2->self_scm ());
1529         }
1530         ;
1531
1532
1533 tagged_post_event:
1534         '-' TAG embedded_scm post_event {
1535                 tag_music ($4, $3, THIS->here_input ());
1536                 $$ = $4;
1537         }
1538         ;
1539
1540 post_event:
1541         direction_less_event {
1542                 $$ = $1;
1543         }
1544         | HYPHEN {
1545                 if (!THIS->lexer_->is_lyric_state ())
1546                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1547                 $$ = MY_MAKE_MUSIC ("HyphenEvent");
1548         }
1549         | EXTENDER {
1550                 if (!THIS->lexer_->is_lyric_state ())
1551                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1552                 $$ = MY_MAKE_MUSIC ("ExtenderEvent");
1553         }
1554         | script_dir direction_reqd_event {
1555                 if ($1)
1556                         $2->set_property ("direction", gh_int2scm ($1));
1557                 $$ = $2;
1558         }
1559         | script_dir direction_less_event {
1560                 if ($1)
1561                         $2->set_property ("direction", gh_int2scm ($1));
1562                 $$ = $2;
1563         }
1564         | string_number_event
1565         ;
1566
1567 string_number_event:
1568         E_UNSIGNED {
1569                 Music * s = MY_MAKE_MUSIC ("StringNumberEvent");
1570                 s->set_property ("string-number",  gh_int2scm ($1));
1571                 s->set_spot (THIS->here_input ());
1572                 $$ = s;
1573         }
1574         ;
1575
1576
1577 direction_less_event:
1578         '['  {
1579
1580
1581 /*
1582
1583 TODO: should take all these defs out of the parser, adn make use
1584 configurable, i.e.
1585
1586
1587 (set-articulation '~ "trill")
1588
1589 */
1590                 Music * m = MY_MAKE_MUSIC ("BeamEvent");
1591                 m->set_spot (THIS->here_input ());
1592                 m->set_property ("span-direction" , gh_int2scm (START));
1593                 $$ = m;
1594         }
1595         | ']'  {
1596                 Music * m = MY_MAKE_MUSIC ("BeamEvent");
1597                 m->set_spot (THIS->here_input ());
1598                 m->set_property ("span-direction" , gh_int2scm (STOP));
1599                 $$ = m;
1600         }
1601         | '~' {
1602                 Music * m = MY_MAKE_MUSIC ("TieEvent");
1603                 m->set_spot (THIS->here_input ());
1604                 $$ = m;
1605         }
1606         | close_event {
1607                 $$ = $1;
1608                 dynamic_cast<Music *> ($$)->set_property ("span-direction",
1609                         gh_int2scm (START));
1610         }
1611         | open_event {
1612                 $$ = $1;
1613                 dynamic_cast<Music *> ($$)->set_property ("span-direction",
1614                         gh_int2scm (STOP));
1615         }
1616         | EVENT_IDENTIFIER      {
1617                 $$ = unsmob_music ($1);
1618         }
1619         | tremolo_type  {
1620                Music * a = MY_MAKE_MUSIC ("TremoloEvent");
1621                a->set_spot (THIS->here_input ());
1622                a->set_property ("tremolo-type", gh_int2scm ($1));
1623                $$ = a;
1624         }
1625         ;
1626
1627 direction_reqd_event:
1628         gen_text_def {
1629                 $$ = $1;
1630         }
1631         | script_abbreviation {
1632                 SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
1633                 Music *a = MY_MAKE_MUSIC ("ArticulationEvent");
1634                 if (gh_string_p (s))
1635                         a->set_property ("articulation-type", s);
1636                 else THIS->parser_error (_ ("Expecting string as script definition"));
1637                 $$ = a;
1638         }
1639         ;
1640
1641 oct_check:
1642         /**/ { $$ = SCM_EOL; }
1643         | '='  { $$ = gh_int2scm (0); }
1644         | '=' sub_quotes { $$ = gh_int2scm ($2); }
1645         | '=' sup_quotes { $$ = gh_int2scm ($2); }
1646         ;
1647
1648 sup_quotes:
1649         '\'' {
1650                 $$ = 1;
1651         }
1652         | sup_quotes '\'' {
1653                 $$ ++;
1654         }
1655         ;
1656
1657 sub_quotes:
1658         ',' {
1659                 $$ = 1;
1660         }
1661         | sub_quotes ',' {
1662                 $$ ++ ;
1663         }
1664         ;
1665
1666 steno_pitch:
1667         NOTENAME_PITCH  {
1668                 $$ = $1;
1669         }
1670         | NOTENAME_PITCH sup_quotes     {
1671                 Pitch p = *unsmob_pitch ($1);
1672                 p = p.transposed (Pitch ($2,0,0));
1673                 $$ = p.smobbed_copy ();
1674         }
1675         | NOTENAME_PITCH sub_quotes      {
1676                 Pitch p =* unsmob_pitch ($1);
1677                 p = p.transposed (Pitch (-$2,0,0));
1678                 $$ = p.smobbed_copy ();
1679         }
1680         ;
1681
1682 /*
1683 ugh. duplication
1684 */
1685
1686 steno_tonic_pitch:
1687         TONICNAME_PITCH {
1688                 $$ = $1;
1689         }
1690         | TONICNAME_PITCH sup_quotes    {
1691                 Pitch p = *unsmob_pitch ($1);
1692                 p = p.transposed (Pitch ($2,0,0));
1693                 $$ = p.smobbed_copy ();
1694         }
1695         | TONICNAME_PITCH sub_quotes     {
1696                 Pitch p =* unsmob_pitch ($1);
1697
1698                 p = p.transposed (Pitch (-$2,0,0));
1699                 $$ = p.smobbed_copy ();
1700         }
1701         ;
1702
1703 pitch:
1704         steno_pitch {
1705                 $$ = $1;
1706         }
1707         ;
1708
1709 pitch_also_in_chords:
1710         pitch
1711         | steno_tonic_pitch
1712         ;
1713
1714 close_event:
1715         '('     {
1716                 Music * s= MY_MAKE_MUSIC ("SlurEvent");
1717                 $$ = s;
1718                 s->set_spot (THIS->here_input ());
1719         }
1720         | E_OPEN        {
1721                 Music * s= MY_MAKE_MUSIC ("PhrasingSlurEvent");
1722                 $$ = s;
1723                 s->set_spot (THIS->here_input ());
1724         }
1725         | E_SMALLER {
1726                 Music *s =MY_MAKE_MUSIC ("CrescendoEvent");
1727                 $$ = s;
1728                 s->set_spot (THIS->here_input ());
1729         }
1730         | E_BIGGER {
1731                 Music *s =MY_MAKE_MUSIC ("DecrescendoEvent");
1732                 $$ = s;
1733                 s->set_spot (THIS->here_input ());
1734         }
1735         ;
1736
1737
1738 open_event:
1739         E_EXCLAMATION   {
1740                 Music *s =  MY_MAKE_MUSIC ("CrescendoEvent");
1741                 s->set_spot (THIS->here_input ());
1742
1743                 $$ = s;
1744         }
1745         | ')'   {
1746                 Music * s= MY_MAKE_MUSIC ("SlurEvent");
1747                 $$ = s;
1748                 s->set_spot (THIS->here_input ());
1749
1750         }
1751         | E_CLOSE       {
1752                 Music * s= MY_MAKE_MUSIC ("PhrasingSlurEvent");
1753                 $$ = s;
1754                 s->set_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
1755                 s->set_spot (THIS->here_input ());
1756         }
1757         ;
1758
1759 gen_text_def:
1760         full_markup {
1761                 Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
1762                 t->set_property ("text", $1);
1763                 t->set_spot (THIS->here_input ());
1764                 $$ = t;
1765         }
1766         | string {
1767                 Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
1768                 t->set_property ("text", make_simple_markup ($1));
1769                 t->set_spot (THIS->here_input ());
1770                 $$ = t;
1771
1772         }
1773         | DIGIT {
1774                 Music * t = MY_MAKE_MUSIC ("FingerEvent");
1775                 t->set_property ("digit",  gh_int2scm ($1));
1776                 t->set_spot (THIS->here_input ());
1777                 $$ = t;
1778         }
1779         ;
1780
1781 script_abbreviation:
1782         '^'             {
1783                 $$ = scm_makfrom0str ("Hat");
1784         }
1785         | '+'           {
1786                 $$ = scm_makfrom0str ("Plus");
1787         }
1788         | '-'           {
1789                 $$ = scm_makfrom0str ("Dash");
1790         }
1791         | '|'           {
1792                 $$ = scm_makfrom0str ("Bar");
1793         }
1794         | '>'           {
1795                 $$ = scm_makfrom0str ("Larger");
1796         }
1797         | '.'           {
1798                 $$ = scm_makfrom0str ("Dot");
1799         }
1800         | '_' {
1801                 $$ = scm_makfrom0str ("Underscore");
1802         }
1803         ;
1804
1805 script_dir:
1806         '_'     { $$ = DOWN; }
1807         | '^'   { $$ = UP; }
1808         | '-'   { $$ = CENTER; }
1809         ;
1810
1811
1812 absolute_pitch:
1813         steno_pitch     {
1814                 $$ = $1;
1815         }
1816         ;
1817
1818 duration_length:
1819         multiplied_duration {
1820                 $$ = $1;
1821         }
1822         ;
1823
1824 optional_notemode_duration:
1825         {
1826                 Duration dd = THIS->default_duration_;
1827                 $$ = dd.smobbed_copy ();
1828
1829                 THIS->beam_check ($$);
1830         }
1831         | multiplied_duration   {
1832                 $$ = $1;
1833                 THIS->default_duration_ = *unsmob_duration ($$);
1834
1835                 THIS->beam_check ($$);
1836         }
1837         ;
1838
1839 steno_duration:
1840         bare_unsigned dots              {
1841                 int l = 0;
1842                 if (!is_is_duration ($1))
1843                         THIS->parser_error (_f ("not a duration: %d", $1));
1844                 else
1845                         l =  intlog2 ($1);
1846
1847                 $$ = Duration (l, $2).smobbed_copy ();
1848         }
1849         | DURATION_IDENTIFIER dots      {
1850                 Duration *d =unsmob_duration ($1);
1851                 Duration k (d->duration_log (),d->dot_count () + $2);
1852
1853                 *d = k;
1854                 $$ = $1;
1855         }
1856         ;
1857
1858
1859
1860
1861 multiplied_duration:
1862         steno_duration {
1863                 $$ = $1;
1864         }
1865         | multiplied_duration '*' bare_unsigned {
1866                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1867         }
1868         | multiplied_duration '*' FRACTION {
1869                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1870
1871                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1872         }
1873         ;
1874
1875 fraction:
1876         FRACTION { $$ = $1; }
1877         | UNSIGNED '/' UNSIGNED {
1878                 $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
1879         }
1880         ;
1881
1882 dots:
1883         /* empty */     {
1884                 $$ = 0;
1885         }
1886         | dots '.' {
1887                 $$ ++;
1888         }
1889         ;
1890
1891
1892 tremolo_type:
1893         ':'     {
1894                 $$ =0;
1895         }
1896         | ':' bare_unsigned {
1897                 if (!is_is_duration ($2))
1898                         THIS->parser_error (_f ("not a duration: %d", $2));
1899                 $$ = $2;
1900         }
1901         ;
1902
1903
1904
1905 /*****************************************************************
1906                 BASS FIGURES
1907 *****************************************************************/
1908 bass_number:
1909         DIGIT   {
1910                 $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
1911         }
1912         | UNSIGNED {
1913                 $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
1914         }
1915         | STRING { $$ =  $1; }
1916         ;
1917
1918 bass_mod:
1919         '-'     { $$ = -2; }
1920         | '+'   { $$ = 2; }
1921         | '!'   { $$ = 0; }
1922         ;
1923
1924 bass_figure:
1925         FIGURE_SPACE {
1926                 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
1927                 $$ = bfr->self_scm ();
1928                 scm_gc_unprotect_object ($$);
1929         }
1930         | bass_number  {
1931                 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
1932                 $$ = bfr->self_scm ();
1933
1934                 bfr->set_property ("figure", $1);
1935
1936                 scm_gc_unprotect_object ($$);
1937         }
1938         | bass_figure bass_mod {
1939                 Music *m = unsmob_music ($1);
1940                 if ($2) {
1941                         SCM salter =m->get_property ("alteration");
1942                         int alter = gh_number_p (salter) ? gh_scm2int (salter) : 0;
1943                         m->set_property ("alteration",
1944                                 gh_int2scm (alter + $2));
1945                 } else {
1946                         m->set_property ("alteration", gh_int2scm (0));
1947                 }
1948         }
1949         ;
1950
1951 br_bass_figure:
1952         '[' bass_figure {
1953                 $$ = $2;
1954                 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
1955         }
1956         | bass_figure   {
1957                 $$ = $1;
1958         }
1959         | br_bass_figure ']' {
1960                 $$ = $1;
1961                 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
1962         }
1963         ;
1964
1965 figure_list:
1966         /**/            {
1967                 $$ = SCM_EOL;
1968         }
1969         | figure_list br_bass_figure {
1970                 $$ = scm_cons ($2, $1);
1971         }
1972         ;
1973
1974 figure_spec:
1975         FIGURE_OPEN figure_list FIGURE_CLOSE {
1976                 Music * m = MY_MAKE_MUSIC ("EventChord");
1977                 $2 = scm_reverse_x ($2, SCM_EOL);
1978                 m->set_property ("elements",  $2);
1979                 $$ = m->self_scm ();
1980         }
1981         ;
1982
1983
1984 optional_rest:
1985         /**/   { $$ = 0; }
1986         | REST { $$ = 1; }
1987         ;
1988
1989 simple_element:
1990         pitch exclamations questions oct_check optional_notemode_duration optional_rest {
1991
1992                 Input i = THIS->pop_spot ();
1993                 if (!THIS->lexer_->is_note_state ())
1994                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1995
1996                 Music *n = 0;
1997                 if ($6)
1998                         n =  MY_MAKE_MUSIC ("RestEvent");
1999                 else
2000                         n =  MY_MAKE_MUSIC ("NoteEvent");
2001
2002                 n->set_property ("pitch", $1);
2003                 n->set_property ("duration", $5);
2004
2005                 if (gh_number_p ($4))
2006                 {
2007                         int q = gh_scm2int ($4);
2008                         n->set_property ("absolute-octave", gh_int2scm (q-1));
2009                 }
2010
2011                 if ($3 % 2)
2012                         n->set_property ("cautionary", SCM_BOOL_T);
2013                 if ($2 % 2 || $3 % 2)
2014                         n->set_property ("force-accidental", SCM_BOOL_T);
2015
2016                 Music *v = MY_MAKE_MUSIC ("EventChord");
2017                 v->set_property ("elements", scm_list_1 (n->self_scm ()));
2018                 scm_gc_unprotect_object (n->self_scm ());
2019
2020                 v->set_spot (i);
2021                 n->set_spot (i);
2022                 $$ = v;
2023         }
2024         | DRUM_PITCH optional_notemode_duration {
2025                 Input i = THIS->pop_spot ();
2026
2027                 Music *n =  MY_MAKE_MUSIC ("NoteEvent");
2028                 n->set_property ("duration" ,$2);
2029                 n->set_property ("drum-type" , $1);
2030
2031                 Music *v = MY_MAKE_MUSIC ("EventChord");
2032                 v->set_property ("elements", scm_list_1 (n->self_scm ()));
2033                 scm_gc_unprotect_object (n->self_scm ());
2034                 v->set_spot (i);
2035                 n->set_spot (i);
2036                 $$ = v;
2037
2038         }
2039         | figure_spec optional_notemode_duration {
2040                 Music * m = unsmob_music ($1);
2041                 Input i = THIS->pop_spot ();
2042                 m->set_spot (i);
2043                 for (SCM s = m->get_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
2044                 {
2045                         unsmob_music (ly_car (s))->set_property ("duration", $2);
2046                 }
2047                 $$ = m;
2048         }
2049         | RESTNAME optional_notemode_duration           {
2050
2051                 Input i = THIS->pop_spot ();
2052                 Music * ev = 0;
2053                 if (ly_scm2string ($1) =="s") {
2054                         /* Space */
2055                         ev = MY_MAKE_MUSIC ("SkipEvent");
2056                   }
2057                 else {
2058                         ev = MY_MAKE_MUSIC ("RestEvent");
2059
2060                     }
2061                 ev->set_property ("duration" ,$2);
2062                 ev->set_spot (i);
2063                 Music * velt = MY_MAKE_MUSIC ("EventChord");
2064                 velt->set_property ("elements", scm_list_1 (ev->self_scm ()));
2065                 velt->set_spot (i);
2066
2067                 scm_gc_unprotect_object (ev->self_scm ());
2068
2069                 $$ = velt;
2070         }
2071         | MULTI_MEASURE_REST optional_notemode_duration         {
2072                 THIS->pop_spot ();
2073
2074                 static SCM proc ;
2075                 if (!proc)
2076                         proc = scm_c_eval_string ("make-multi-measure-rest");
2077
2078                 SCM mus = scm_call_2 (proc, $2,
2079                         make_input (THIS->here_input ()));
2080                 scm_gc_protect_object (mus);
2081                 $$ = unsmob_music (mus);
2082         }
2083
2084         | lyric_element optional_notemode_duration      {
2085                 Input i = THIS->pop_spot ();
2086                 if (!THIS->lexer_->is_lyric_state ())
2087                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
2088
2089                 Music * lreq = MY_MAKE_MUSIC ("LyricEvent");
2090                 lreq->set_property ("text", $1);
2091                 lreq->set_property ("duration",$2);
2092                 lreq->set_spot (i);
2093                 Music * velt = MY_MAKE_MUSIC ("EventChord");
2094                 velt->set_property ("elements", scm_list_1 (lreq->self_scm ()));
2095
2096                 $$= velt;
2097         }
2098         | new_chord {
2099                 THIS->pop_spot ();
2100
2101                 if (!THIS->lexer_->is_chord_state ())
2102                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
2103                 $$ = unsmob_music ($1);
2104         }
2105         ;
2106
2107 lyric_element:
2108         full_markup { $$ = $1; }
2109         | STRING {  $$ = $1 ; }
2110         ;
2111
2112 new_chord:
2113         steno_tonic_pitch optional_notemode_duration   {
2114                 $$ = make_chord ($1, $2, SCM_EOL);
2115         }
2116         | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
2117                 SCM its = scm_reverse_x ($4, SCM_EOL);
2118                 $$ = make_chord ($1, $2, gh_cons ($3, its));
2119         }
2120         ;
2121
2122 chord_items:
2123         /**/ {
2124                 $$ = SCM_EOL;
2125         }
2126         | chord_items chord_item {
2127                 $$ = gh_cons ($2, $$);
2128         }
2129         ;
2130
2131 chord_separator:
2132         CHORD_COLON {
2133                 $$ = ly_symbol2scm ("chord-colon");
2134         }
2135         | CHORD_CARET {
2136                 $$ = ly_symbol2scm ("chord-caret");
2137         }
2138         | CHORD_SLASH steno_tonic_pitch {
2139                 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
2140         }
2141         | CHORD_BASS steno_tonic_pitch {
2142                 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
2143         }
2144         ;
2145
2146 chord_item:
2147         chord_separator {
2148                 $$ = $1;
2149         }
2150         | step_numbers {
2151                 $$ = scm_reverse_x ($1, SCM_EOL);
2152         }
2153         | CHORD_MODIFIER  {
2154                 $$ = $1;
2155         }
2156         ;
2157
2158 step_numbers:
2159         step_number { $$ = gh_cons ($1, SCM_EOL); }
2160         | step_numbers '.' step_number {
2161                 $$ = gh_cons ($3, $$);
2162         }
2163         ;
2164
2165 step_number:
2166         bare_unsigned {
2167                 $$ = make_chord_step ($1, 0);
2168         }
2169         | bare_unsigned '+' {
2170                 $$ = make_chord_step ($1, SHARP);
2171         }
2172         | bare_unsigned CHORD_MINUS {
2173                 $$ = make_chord_step ($1, FLAT);
2174         }
2175         ;
2176
2177 /*
2178         UTILITIES
2179
2180 TODO: should deprecate in favor of Scheme?
2181
2182  */
2183 number_expression:
2184         number_expression '+' number_term {
2185                 $$ = scm_sum ($1, $3);
2186         }
2187         | number_expression '-' number_term {
2188                 $$ = scm_difference ($1, $3);
2189         }
2190         | number_term
2191         ;
2192
2193 number_term:
2194         number_factor {
2195                 $$ = $1;
2196         }
2197         | number_factor '*' number_factor {
2198                 $$ = scm_product ($1, $3);
2199         }
2200         | number_factor '/' number_factor {
2201                 $$ = scm_divide ($1, $3);
2202         }
2203         ;
2204
2205 number_factor:
2206         '-'  number_factor { /* %prec UNARY_MINUS */
2207                 $$ = scm_difference ($2, SCM_UNDEFINED);
2208         }
2209         | bare_number
2210         ;
2211
2212
2213 bare_number:
2214         UNSIGNED        {
2215                 $$ = gh_int2scm ($1);
2216         }
2217         | REAL          {
2218                 $$ = $1;
2219         }
2220         | NUMBER_IDENTIFIER             {
2221                 $$ = $1;
2222         }
2223         | REAL NUMBER_IDENTIFIER        {
2224                 $$ = gh_double2scm (gh_scm2double ($1) * gh_scm2double ($2));
2225         }
2226         | UNSIGNED NUMBER_IDENTIFIER    {
2227                 $$ = gh_double2scm ($1 * gh_scm2double ($2));
2228         }
2229         ;
2230
2231
2232 bare_unsigned:
2233         UNSIGNED {
2234                         $$ = $1;
2235         }
2236         | DIGIT {
2237                 $$ = $1;
2238         }
2239         ;
2240
2241 bare_int:
2242         bare_number {
2243                 if (scm_integer_p ($1) == SCM_BOOL_T)
2244                 {
2245                         int k = gh_scm2int ($1);
2246                         $$ = k;
2247                 } else
2248                 {
2249                         THIS->parser_error (_ ("need integer number arg"));
2250                         $$ = 0;
2251                 }
2252         }
2253         | '-' bare_int {
2254                 $$ = -$2;
2255         }
2256         ;
2257
2258
2259 string:
2260         STRING          {
2261                 $$ = $1;
2262         }
2263         | STRING_IDENTIFIER     {
2264                 $$ = $1;
2265         }
2266         | string '+' string {
2267                 $$ = scm_string_append (scm_list_2 ($1, $3));
2268         }
2269         ;
2270
2271
2272 exclamations:
2273                 { $$ = 0; }
2274         | exclamations '!'      { $$ ++; }
2275         ;
2276
2277 questions:
2278                 { $$ = 0; }
2279         | questions '?' { $$ ++; }
2280         ;
2281
2282
2283
2284 full_markup:
2285         MARKUP_IDENTIFIER {
2286                 $$ = $1;
2287         }
2288         | MARKUP
2289                 { THIS->lexer_->push_markup_state (); }
2290         markup
2291                 { $$ = $3;
2292                   THIS->lexer_->pop_state ();
2293                 }
2294         ;
2295
2296
2297 /*
2298 This should be done more dynamically if possible.
2299 */
2300 markup:
2301         STRING {
2302                 $$ = make_simple_markup ($1);
2303         }
2304         | MARKUP_HEAD_EMPTY {
2305                 $$ = scm_list_1 ($1);
2306         }
2307         | MARKUP_HEAD_MARKUP0 markup {
2308                 $$ = scm_list_2 ($1, $2);
2309         }
2310         | MARKUP_HEAD_MARKUP0_MARKUP1 markup markup {
2311                 $$ = scm_list_3 ($1, $2, $3);
2312         }
2313         | MARKUP_HEAD_SCM0_MARKUP1 SCM_T markup {
2314                 $$  = scm_list_3 ($1, $2, $3);
2315         }
2316         | markup_line {
2317                 $$ = $1;
2318         }
2319         | MARKUP_HEAD_LIST0 markup_list {
2320                 $$ = scm_list_2 ($1,$2);
2321         }
2322         | MARKUP_HEAD_SCM0 embedded_scm {
2323                 $$ = scm_list_2 ($1, $2);
2324         }
2325         | MARKUP_HEAD_SCM0_SCM1_MARKUP2 embedded_scm embedded_scm markup {
2326                 $$ = scm_list_4 ($1, $2, $3, $4);
2327         }
2328         | MARKUP_HEAD_SCM0_SCM1_SCM2 embedded_scm embedded_scm embedded_scm {
2329                 $$ = scm_list_4 ($1, $2, $3, $4);
2330         }
2331         | MARKUP_HEAD_SCM0_SCM1 embedded_scm embedded_scm {
2332                 $$ = scm_list_3 ($1, $2, $3);
2333         }
2334         | MARKUP_IDENTIFIER {
2335                 $$ = $1;
2336         }
2337         | STRING_IDENTIFIER {
2338                 $$ = $1;
2339         }
2340         ;
2341
2342 markup_list:
2343         chord_open markup_list_body chord_close { $$ = scm_reverse_x ($2, SCM_EOL); }
2344         ;
2345
2346 markup_line:
2347         '{' markup_list_body '}' {
2348                 static SCM line ;
2349                 if (!line)
2350                         line = scm_c_eval_string ("line-markup");
2351
2352                 $$ = scm_list_2 (line, scm_reverse_x ($2, SCM_EOL));
2353         }
2354         ;
2355
2356 markup_list_body:
2357         /**/ {  $$ = SCM_EOL; }
2358         | markup_list_body markup {
2359                 $$ = gh_cons ($2, $1) ;
2360         }
2361         ;
2362
2363
2364 %%
2365
2366 void
2367 My_lily_parser::set_yydebug (bool )
2368 {
2369 #if 0
2370         yydebug = 1;
2371 #endif
2372 }
2373
2374 extern My_lily_parser * current_parser;
2375
2376 void
2377 My_lily_parser::do_yyparse ()
2378 {
2379         current_parser = this;;
2380         yyparse ((void*)this);
2381 }
2382
2383
2384 /*
2385 Should make this optional?    It will also complain when you do
2386
2387         [s4]
2388
2389 which is entirely legitimate.
2390
2391 Or we can scrap it. Barchecks should detect wrong durations, and
2392 skipTypesetting speeds it up a lot.
2393 */
2394
2395 void
2396 My_lily_parser::beam_check (SCM dur)
2397 {
2398   Duration *d = unsmob_duration (dur);
2399   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2400     {
2401       Music * m = unsmob_music (last_beam_start_);
2402       m->origin ()->warning (_("Suspect duration found following this beam"));
2403     }
2404   last_beam_start_ = SCM_EOL;
2405 }
2406
2407
2408
2409
2410 /*
2411
2412 It is a little strange to have this function in this file, but
2413 otherwise, we have to import music classes into the lexer.
2414
2415 */
2416 int
2417 My_lily_lexer::try_special_identifiers (SCM * destination, SCM sid)
2418 {
2419         if (gh_string_p (sid)) {
2420                 *destination = sid;
2421                 return STRING_IDENTIFIER;
2422         } else if (gh_number_p (sid)) {
2423                 *destination = sid;
2424                 return NUMBER_IDENTIFIER;
2425         } else if (unsmob_context_def (sid)) {
2426                 *destination = unsmob_context_def (sid)->clone_scm ();
2427                 return CONTEXT_DEF_IDENTIFIER;
2428         } else if (unsmob_score (sid)) {
2429                 Score *sc =  new Score (*unsmob_score (sid));
2430                 *destination =sc->self_scm ();
2431                 return SCORE_IDENTIFIER;
2432         } else if (Music * mus =unsmob_music (sid)) {
2433                 mus = mus->clone ();
2434                 *destination = mus->self_scm ();
2435                 unsmob_music (*destination)->
2436                         set_property ("origin", make_input (last_input_));
2437                 return dynamic_cast<Event*> (mus)
2438                         ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
2439         } else if (unsmob_duration (sid)) {
2440                 *destination = unsmob_duration (sid)->smobbed_copy ();
2441                 return DURATION_IDENTIFIER;
2442         } else if (unsmob_music_output_def (sid)) {
2443                 Music_output_def *p = unsmob_music_output_def (sid);
2444                 p = p->clone ();
2445
2446                 *destination = p->self_scm ();
2447                 return MUSIC_OUTPUT_DEF_IDENTIFIER;
2448         } else if (Text_item::markup_p (sid)) {
2449                 *destination = sid;
2450                 return MARKUP_IDENTIFIER;
2451         }
2452
2453         return -1;
2454 }
2455
2456 Music *
2457 property_op_to_music (SCM op)
2458 {
2459         Music * m = 0;
2460         SCM tag = gh_car (op);
2461         SCM symbol  = gh_cadr (op);
2462         SCM args = gh_cddr (op);
2463         SCM grob_val = SCM_UNDEFINED;
2464         SCM grob_sym = SCM_UNDEFINED;
2465         SCM val = SCM_UNDEFINED;
2466
2467         if (tag == ly_symbol2scm ("assign"))
2468                 {
2469                 m =  MY_MAKE_MUSIC ("PropertySet");
2470                 val = gh_car (args);
2471                 }
2472         else if (tag == ly_symbol2scm ("unset"))
2473                 m =  MY_MAKE_MUSIC ("PropertyUnset");
2474         else if (tag == ly_symbol2scm ("poppush")
2475                  || tag == ly_symbol2scm ("push"))
2476                 {
2477                 m  = MY_MAKE_MUSIC ("OverrideProperty");
2478                 grob_sym = gh_car (args);
2479                 grob_val = gh_cadr (args);
2480                 }
2481         else if (tag == ly_symbol2scm ("pop")) {
2482                 m = MY_MAKE_MUSIC ("RevertProperty");
2483                 grob_sym = gh_car (args);
2484                 }
2485
2486         m->set_property ("symbol", symbol);
2487
2488         if (val != SCM_UNDEFINED)
2489                 m->set_property ("value", val);
2490         if (grob_val != SCM_UNDEFINED)
2491                 m->set_property ("grob-value", grob_val);
2492
2493         if (grob_sym != SCM_UNDEFINED)
2494                 {
2495                 bool itc = internal_type_checking_global_b;
2496                 /* UGH.
2497                 */
2498                 bool autobeam = gh_equal_p (symbol, ly_symbol2scm ("autoBeamSettings"));
2499                 if (autobeam)
2500                         internal_type_checking_global_b = false;
2501                 m->set_property ("grob-property", grob_sym);
2502                 if (autobeam)
2503                         internal_type_checking_global_b = itc;
2504                 }
2505
2506         if (op == ly_symbol2scm ("poppush"))
2507                 m->set_property ("pop-first", SCM_BOOL_T);
2508
2509
2510         return m;
2511 }
2512
2513 Music*
2514 context_spec_music (SCM type, SCM id, Music * m, SCM ops)
2515 {
2516         Music * csm = MY_MAKE_MUSIC ("ContextSpeccedMusic");
2517
2518         csm->set_property ("element", m->self_scm ());
2519         scm_gc_unprotect_object (m->self_scm ());
2520
2521         csm->set_property ("context-type",
2522                 gh_symbol_p (type) ? type : scm_string_to_symbol (type));
2523         csm->set_property ("property-operations", ops);
2524
2525         if (gh_string_p (id))
2526                 csm->set_property ("context-id", id);
2527         return csm;
2528 }
2529
2530
2531 SCM
2532 get_next_unique_context ()
2533 {
2534         static int new_context_count;
2535
2536         char s[1024];
2537         snprintf (s, 1024, "uniqueContext%d", new_context_count ++);
2538
2539         return scm_makfrom0str (s);
2540 }
2541