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--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   9            Jan Nieuwenhuizen <janneke@gnu.org>
  10 */
  11
  12 /*
  13   Two shift/reduce problems:
  14     -
  15     -
  16  */
  17
  18 /*
  19
  20 the rules for who is protecting what are very shady. TODO: uniformise
  21 this.
  22
  23
  24 */
  25
  26 #include <ctype.h>
  27
  28 //#include <iostream>
  29
  30 #include "translator-def.hh"
  31 #include "lily-guile.hh"
  32 #include "change-iterator.hh"
  33 #include "misc.hh"
  34 #include "my-lily-lexer.hh"
  35 #include "paper-def.hh"
  36 #include "midi-def.hh"
  37 #include "main.hh"
  38 #include "file-path.hh"
  39 #include "warn.hh"
  40 #include "dimensions.hh"
  41 #include "command-request.hh"
  42 #include "musical-request.hh"
  43 #include "my-lily-parser.hh"
  44 #include "context-specced-music.hh"
  45 #include "score.hh"
  46 #include "music-list.hh"
  47 #include "output-property-music-iterator.hh"
  48 #include "property-iterator.hh"
  49 #include "file-results.hh"
  50 #include "input.hh"
  51 #include "relative-music.hh"
  52 #include "lyric-combine-music.hh"
  53 #include "transposed-music.hh"
  54 #include "time-scaled-music.hh"
  55 #include "repeated-music.hh"
  56 #include "untransposable-music.hh"
  57 #include "lilypond-input-version.hh"
  58 #include "grace-music.hh"
  59 #include "part-combine-music.hh"
  60 #include "scm-hash.hh"
  61 #include "auto-change-iterator.hh"
  62 #include "un-relativable-music.hh"
  63 #include "chord.hh"
  64
  65 bool
  66 regular_identifier_b (SCM id)
  67 {
  68   String str = ly_scm2string (id);
  69   char const *s = str.to_str0 () ;
  70
  71   bool v = true;
  72   while (*s && v)
  73    {
  74         v = v && isalpha (*s);
  75         s++;
  76    }
  77   return v;
  78 }
  79
  80
  81 Music*
  82 set_property_music (SCM sym, SCM value)
  83 {
  84         Music * p = new Music (SCM_EOL);
  85         p->set_mus_property ("symbol", sym);
  86         p->set_mus_property ("iterator-ctor",
  87         Property_iterator::constructor_cxx_function);
  88
  89         p->set_mus_property ("value", value);
  90         return p;
  91 }
  92
  93 bool
  94 is_duration_b (int t)
  95 {
  96   return t && t == 1 << intlog2 (t);
  97 }
  98
  99 void
 100 set_music_properties (Music *p, SCM a)
 101 {
 102   for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
 103         {
 104         p->internal_set_mus_property (ly_caar (k), ly_cdar (k));
 105         }
 106 }
 107
 108
 109
 110
 111
 112
 113
 114 // needed for bison.simple's malloc () and free ()
 115
 116 #include <malloc.h>
 117 #include <stdlib.h>
 118
 119
 120
 121 #define YYERROR_VERBOSE 1
 122
 123 #define YYPARSE_PARAM my_lily_parser
 124 #define YYLEX_PARAM my_lily_parser
 125 #define THIS\
 126         ((My_lily_parser *) my_lily_parser)
 127
 128 #define yyerror THIS->parser_error
 129 #define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
 130
 131 %}
 132
 133 /* We use SCMs to do strings, because it saves us the trouble of
 134 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 135 of the parse stack onto the heap. */
 136
 137
 138 %union {
 139
 140     Link_array<Request> *reqvec;
 141
 142     String *string; // needed by the lexer as temporary scratch area.
 143     Music *music;
 144     Score *score;
 145     Scheme_hash_table *scmhash;
 146     Music_output_def * outputdef;
 147
 148     Request * request;
 149
 150     SCM scm;
 151
 152     Tempo_req *tempo;
 153     int i;
 154 }
 155 %{
 156
 157 int
 158 yylex (YYSTYPE *s,  void * v)
 159 {
 160         My_lily_parser   *pars = (My_lily_parser*) v;
 161         My_lily_lexer * lex = pars->lexer_;
 162
 163         lex->lexval = (void*) s;
 164         return lex->yylex ();
 165 }
 166
 167
 168 %}
 169
 170 %pure_parser
 171
 172 /* tokens which are not keywords */
 173 %token AUTOCHANGE
 174 %token ALIAS
 175 %token APPLY
 176 %token ARPEGGIO
 177 %token DYNAMICSCRIPT
 178 %token ACCEPTS
 179 %token ALTERNATIVE
 180 %token BAR
 181 %token BREATHE
 182 %token CHORDMODIFIERS
 183 %token CHORDS
 184 %token CHAR_T
 185 %token CLEF
 186 %token CM_T
 187 %token CONSISTS
 188 %token DURATION
 189 %token SEQUENTIAL
 190 %token GROBDESCRIPTIONS
 191 %token SIMULTANEOUS
 192 %token CONSISTSEND
 193 %token DENIES
 194 %token DURATION
 195 %token EXTENDER
 196 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 197 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
 198 %token GLISSANDO
 199 %token GRACE
 200 %token HEADER
 201 %token HYPHEN
 202 %token IN_T
 203 %token INVALID
 204 %token KEY
 205 %token LYRICS
 206 %token MARK
 207 %token MULTI_MEASURE_REST
 208 %token MIDI
 209 %token MM_T
 210 %token PITCH
 211 %token DEFAULT
 212 %token NAME
 213 %token PITCHNAMES
 214 %token NOTES
 215 %token PAPER
 216 %token PARTIAL
 217 %token PENALTY
 218 %token PROPERTY
 219 %token OVERRIDE SET REVERT
 220 %token PT_T
 221 %token RELATIVE
 222 %token REMOVE
 223 %token REPEAT
 224 %token ADDLYRICS
 225 %token PARTCOMBINE
 226 %token SCM_T
 227 %token SCORE
 228 %token SCRIPT
 229 %token SKIP
 230 %token SPANREQUEST
 231 %token STYLESHEET
 232 %token COMMANDSPANREQUEST
 233 %token TEMPO
 234 %token OUTPUTPROPERTY
 235 %token TIME_T
 236 %token TIMES
 237 %token TRANSLATOR
 238 %token TRANSPOSE
 239 %token TYPE
 240 %token UNSET
 241 %token CONTEXT
 242 %token REST
 243
 244 /* escaped */
 245 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 246 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 247 %token E_BACKSLASH
 248 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET
 249 %token FIGURE_SPACE
 250
 251
 252 %type <i>       exclamations questions dots optional_rest
 253 %type <i>       bass_number bass_mod
 254 %type <scm>     br_bass_figure bass_figure figure_list figure_spec
 255 %token <i>      DIGIT
 256 %token <scm>    NOTENAME_PITCH
 257 %token <scm>    TONICNAME_PITCH
 258 %token <scm>    CHORDMODIFIER_PITCH
 259 %token <scm>    DURATION_IDENTIFIER
 260 %token <scm>    FRACTION
 261 %token <id>     IDENTIFIER
 262
 263
 264 %token <scm>    SCORE_IDENTIFIER
 265 %token <scm>    MUSIC_OUTPUT_DEF_IDENTIFIER
 266
 267 %token <scm>    NUMBER_IDENTIFIER
 268 %token <scm>    REQUEST_IDENTIFIER
 269 %token <scm>    MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
 270 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 271 %token <scm>    RESTNAME
 272 %token <scm>    STRING
 273 %token <scm>    SCM_T
 274 %token <i>      UNSIGNED
 275 %token <scm>   REAL
 276
 277 %type <outputdef> output_def
 278 %type <scmhash>         lilypond_header lilypond_header_body
 279 %type <request> open_request_parens close_request_parens open_request close_request
 280 %type <request> request_with_dir request_that_take_dir verbose_request
 281 %type <i>       sub_quotes sup_quotes
 282 %type <music>   simple_element  request_chord command_element Simple_music  Composite_music
 283 %type <music>   Repeated_music
 284 %type <scm>     Alternative_music
 285 %type <i>       tremolo_type
 286 %type <i>       bare_int  bare_unsigned
 287 %type <i>       script_dir
 288
 289 %type <scm>     identifier_init
 290
 291 %type <scm> steno_duration optional_notemode_duration multiplied_duration
 292 %type <scm>  verbose_duration
 293
 294 %type <reqvec>  pre_requests post_requests
 295 %type <request> gen_text_def
 296 %type <scm>   steno_pitch pitch absolute_pitch
 297 %type <scm>   explicit_pitch steno_tonic_pitch
 298
 299 %type <scm>     chord_additions chord_subtractions chord_notes chord_step
 300 %type <music>   chord
 301 %type <scm>     chord_note chord_inversion chord_bass
 302 %type <scm>     duration_length fraction
 303
 304 %type <scm>  embedded_scm scalar
 305 %type <music>   Music Sequential_music Simultaneous_music
 306 %type <music>   relative_music re_rhythmed_music part_combined_music
 307 %type <music>   property_def translator_change
 308 %type <scm> Music_list
 309 %type <outputdef>  music_output_def_body
 310 %type <request> shorthand_command_req
 311 %type <request> post_request
 312 %type <music> command_req verbose_command_req
 313 %type <request> extender_req
 314 %type <request> hyphen_req
 315 %type <scm>     string bare_number number_expression number_term number_factor
 316
 317 %type <score>   score_block score_body
 318
 319 %type <scm>     translator_spec_block translator_spec_body
 320 %type <tempo>   tempo_request
 321 %type <scm> notenames_body notenames_block chordmodifiers_block
 322 %type <scm>     script_abbreviation
 323
 324
 325
 326 %left '-' '+'
 327
 328 /* We don't assign precedence to / and *, because we might need varied
 329 prec levels in different prods */
 330
 331 %left UNARY_MINUS
 332
 333 %%
 334
 335 lilypond:       /* empty */
 336         | lilypond toplevel_expression {}
 337         | lilypond assignment  { }
 338         | lilypond error {
 339                 THIS->error_level_  = 1;
 340         }
 341         | lilypond INVALID      {
 342                 THIS->error_level_  = 1;
 343         }
 344         ;
 345
 346 toplevel_expression:
 347         notenames_block                 {
 348                 THIS->lexer_->pitchname_tab_ =  $1;
 349         }
 350         | chordmodifiers_block                  {
 351                 THIS->lexer_->chordmodifier_tab_  = $1;
 352         }
 353         | lilypond_header {
 354                 if (global_header)
 355                         scm_gc_unprotect_object (global_header->self_scm ());
 356                 global_header = $1;
 357         }
 358         | score_block {
 359                 score_globals.push ($1);
 360         }
 361         | output_def {
 362                 if (dynamic_cast<Paper_def*> ($1))
 363                         THIS->lexer_->set_identifier (gh_str02scm ("$defaultpaper"), $1->self_scm ());
 364                 else if (dynamic_cast<Midi_def*> ($1))
 365                         THIS->lexer_->set_identifier (gh_str02scm ("$defaultmidi"), $1->self_scm ());
 366         }
 367         | embedded_scm {
 368                 // junk value
 369         }
 370         ;
 371
 372 embedded_scm:
 373         SCM_T
 374         | SCM_IDENTIFIER
 375         ;
 376
 377
 378 chordmodifiers_block:
 379         CHORDMODIFIERS notenames_body   {  $$ = $2; }
 380         ;
 381
 382 notenames_block:
 383         PITCHNAMES notenames_body   {  $$ = $2; }
 384         ;
 385
 386 notenames_body:
 387         embedded_scm    {
 388           int i = scm_ilength ($1);
 389
 390           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
 391           for (SCM s = $1; gh_pair_p (s); s = ly_cdr (s)) {
 392                 SCM pt = ly_cdar (s);
 393                 if (!unsmob_pitch (pt))
 394                         THIS->parser_error ("Need pitch object.");
 395                 else
 396                         scm_hashq_set_x (tab, ly_caar (s), pt);
 397           }
 398
 399           $$ = tab;
 400         }
 401         ;
 402
 403 lilypond_header_body:
 404         {
 405                 $$ = new Scheme_hash_table;
 406                 THIS->lexer_-> scopes_.push ($$);
 407         }
 408         | lilypond_header_body assignment  {
 409
 410         }
 411         ;
 412
 413 lilypond_header:
 414         HEADER '{' lilypond_header_body '}'     {
 415                 $$ = $3;
 416                 THIS->lexer_->scopes_.pop ();
 417         }
 418         ;
 419
 420
 421 /*
 422         DECLARATIONS
 423 */
 424 assignment:
 425         STRING {
 426                 THIS->push_spot ();
 427         }
 428         /* cont */ '=' identifier_init  {
 429
 430         /*
 431                 Should find generic way of associating input with objects.
 432         */
 433                 Input ip = THIS->pop_spot ();
 434
 435                 if (! regular_identifier_b ($1))
 436                 {
 437                         ip.warning (_ ("Identifier should have  alphabetic characters only"));
 438                 }
 439
 440                 THIS->lexer_->set_identifier ($1, $4);
 441
 442 /*
 443  TODO: devise standard for protection in parser.
 444
 445   The parser stack lives on the C-stack, which means that
 446 all objects can be unprotected as soon as they're here.
 447
 448 */
 449         }
 450         ;
 451
 452
 453
 454 identifier_init:
 455         score_block {
 456                 $$ = $1->self_scm ();
 457                 scm_gc_unprotect_object ($$);
 458         }
 459         | output_def {
 460                 $$ = $1->self_scm ();
 461                 scm_gc_unprotect_object ($$);
 462         }
 463         | translator_spec_block {
 464                 $$ = $1;
 465         }
 466         | Music  {
 467                 $$ = $1->self_scm ();
 468                 scm_gc_unprotect_object ($$);
 469         }
 470         | post_request {
 471                 $$ = $1->self_scm ();
 472                 scm_gc_unprotect_object ($$);
 473         }
 474         | verbose_duration {
 475                 $$ = $1;
 476         }
 477         | number_expression {
 478                 $$ = $1;
 479         }
 480         | string {
 481                 $$ = $1;
 482         }
 483         | embedded_scm  {
 484                 $$ = $1;
 485         }
 486         ;
 487
 488 translator_spec_block:
 489         TRANSLATOR '{' translator_spec_body '}'
 490                 {
 491                 $$ = $3;
 492         }
 493         ;
 494
 495 translator_spec_body:
 496         TRANSLATOR_IDENTIFIER   {
 497                 $$ = unsmob_translator_def ($1)->clone_scm ();
 498                 unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
 499         }
 500         | TYPE STRING   {
 501                 $$ = Translator_def::make_scm ();
 502                 Translator_def*td =  unsmob_translator_def ($$);
 503                 td->translator_group_type_ = $2;
 504                 td->set_spot (THIS->here_input ());
 505         }
 506         | translator_spec_body STRING '=' embedded_scm                  {
 507                 unsmob_translator_def ($$)->add_property_assign ($2, $4);
 508         }
 509         | translator_spec_body STRING OVERRIDE embedded_scm '=' embedded_scm {
 510                 unsmob_translator_def ($$)
 511                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 512         }
 513         | translator_spec_body STRING SET embedded_scm '=' embedded_scm {
 514                 unsmob_translator_def ($$)
 515                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 516         }
 517         | translator_spec_body STRING REVERT embedded_scm  {
 518           unsmob_translator_def ($$)->add_pop_property (
 519                 scm_string_to_symbol ($2), $4);
 520         }
 521         | translator_spec_body NAME STRING  {
 522                 unsmob_translator_def ($$)->type_name_ = $3;
 523         }
 524         | translator_spec_body CONSISTS STRING  {
 525                 unsmob_translator_def ($$)->add_element ($3);
 526         }
 527         | translator_spec_body ALIAS STRING  {
 528                 Translator_def*td = unsmob_translator_def ($$);
 529                 td->type_aliases_ = gh_cons ($3, td->type_aliases_);
 530         }
 531         | translator_spec_body GROBDESCRIPTIONS embedded_scm {
 532                 Translator_def*td = unsmob_translator_def($$);
 533                 // td->add_property_assign (ly_symbol2scm ("allGrobDescriptions"), $3);
 534                 for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p))
 535                         td->add_property_assign (scm_symbol_to_string (ly_caar (p)), ly_cdar (p));
 536         }
 537         | translator_spec_body CONSISTSEND STRING  {
 538                 unsmob_translator_def ($$)->add_last_element ( $3);
 539         }
 540         | translator_spec_body ACCEPTS STRING  {
 541                 unsmob_translator_def ($$)->set_acceptor ($3,true);
 542         }
 543         | translator_spec_body DENIES STRING  {
 544                 unsmob_translator_def ($$)->set_acceptor ($3,false);
 545         }
 546         | translator_spec_body REMOVE STRING  {
 547                 unsmob_translator_def ($$)->remove_element ($3);
 548         }
 549         ;
 550
 551 /*
 552         SCORE
 553 */
 554 score_block:
 555         SCORE {
 556                 THIS->push_spot ();
 557         }
 558         /*cont*/ '{' score_body '}'     {
 559                 THIS->pop_spot ();
 560                 $$ = $4;
 561                 if (!$$->defs_.size ())
 562                 {
 563                   Music_output_def *id =
 564                         unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 565                   $$->add_output (id ? id->clone () :  new Paper_def );
 566                 }
 567         }
 568         ;
 569
 570 score_body:
 571         Music   {
 572                 $$ = new Score;
 573
 574                 $$->set_spot (THIS->here_input ());
 575                 SCM m = $1->self_scm ();
 576                 scm_gc_unprotect_object (m);
 577
 578                 /*
 579                         guh.
 580                 */
 581                 SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
 582                 for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
 583                         m = gh_call1 (gh_car (check_funcs), m);
 584                 $$->music_ = m;
 585
 586         }
 587         | SCORE_IDENTIFIER {
 588                 $$ = new Score (*unsmob_score ($1));
 589                 $$->set_spot (THIS->here_input ());
 590         }
 591         | score_body lilypond_header    {
 592                 scm_gc_unprotect_object ($2->self_scm ());
 593                 $$->header_ = $2;
 594         }
 595         | score_body output_def {
 596                 $$->add_output ($2);
 597         }
 598         | score_body error {
 599
 600         }
 601         ;
 602
 603
 604 /*
 605         MIDI
 606 */
 607 output_def:
 608         music_output_def_body '}' {
 609                 $$ = $1;
 610                 THIS-> lexer_-> scopes_.pop ();
 611         }
 612         ;
 613
 614 music_output_def_body:
 615         MIDI '{'    {
 616            Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 617
 618
 619          Midi_def* p =0;
 620         if (id)
 621                 p = dynamic_cast<Midi_def*> (id->clone ());
 622         else
 623                 p = new Midi_def;
 624
 625          $$ = p;
 626          THIS->lexer_->scopes_.push (p->variable_tab_);
 627         }
 628         | PAPER '{'     {
 629                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 630                   Paper_def *p = 0;
 631                 if (id)
 632                         p = dynamic_cast<Paper_def*> (id->clone ());
 633                 else
 634                         p = new Paper_def;
 635                 THIS-> lexer_-> scopes_.push (p->variable_tab_);
 636                 $$ = p;
 637         }
 638         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 639                 Music_output_def *p = unsmob_music_output_def ($3);
 640                 p = p->clone ();
 641                 THIS->lexer_->scopes_.push (p->variable_tab_);
 642                 $$ = p;
 643         }
 644         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
 645                 Music_output_def *p = unsmob_music_output_def ($3);
 646                 p = p->clone ();
 647
 648                 THIS->lexer_->scopes_.push (p->variable_tab_);
 649                 $$ = p;
 650         }
 651         | music_output_def_body assignment  {
 652
 653         }
 654         | music_output_def_body translator_spec_block   {
 655                 $$->assign_translator ($2);
 656         }
 657         | music_output_def_body STYLESHEET embedded_scm {
 658                 dynamic_cast<Paper_def*> ($$)-> style_sheet_ = $3;
 659         }
 660         | music_output_def_body tempo_request  {
 661                 /*
 662                         junk this ? there already is tempo stuff in
 663                         music.
 664                 */
 665                 int m = gh_scm2int ( $2->get_mus_property ("metronome-count"));
 666                 Duration *d = unsmob_duration ($2->get_mus_property ("duration"));
 667                 Midi_def * md = dynamic_cast<Midi_def*> ($$);
 668                 if (md)
 669                         md->set_tempo (d->length_mom (), m);
 670         }
 671         | music_output_def_body error {
 672
 673         }
 674         ;
 675
 676 tempo_request:
 677         TEMPO steno_duration '=' bare_unsigned  {
 678                 $$ = new Tempo_req;
 679                 $$->set_mus_property ("duration", $2);
 680                 $$->set_mus_property ("metronome-count", gh_int2scm ( $4));
 681         }
 682         ;
 683
 684 /*
 685 The representation of a  list is the
 686
 687   (LIST . LAST-CONS)
 688
 689  to have  efficient append.
 690 */
 691 Music_list: /* empty */ {
 692                 $$ = gh_cons (SCM_EOL, SCM_EOL);
 693         }
 694         | Music_list Music {
 695                 SCM s = $$;
 696                 SCM c = gh_cons ($2->self_scm (), SCM_EOL);
 697                 scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
 698                 if (gh_pair_p (ly_cdr (s)))
 699                         gh_set_cdr_x (ly_cdr (s), c); /* append */
 700                 else
 701                         gh_set_car_x (s, c); /* set first cons */
 702                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 703         }
 704         | Music_list error {
 705         }
 706         ;
 707
 708
 709 Music:
 710         Simple_music
 711         | Composite_music
 712         ;
 713
 714 Alternative_music:
 715         /* empty */ {
 716                 $$ = SCM_EOL;
 717         }
 718         | ALTERNATIVE '{' Music_list '}' {
 719                 $$ = $3;
 720         }
 721         ;
 722
 723 Repeated_music:
 724         REPEAT string bare_unsigned Music Alternative_music
 725         {
 726                 Music *beg = $4;
 727                 int times = $3;
 728                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 729                 if (times < scm_ilength (alts)) {
 730                   unsmob_music (gh_car (alts))
 731                     ->origin ()->warning (
 732                     _("More alternatives than repeats.  Junking excess alternatives."));
 733                   alts = ly_truncate_list (times, alts);
 734                 }
 735
 736                 Repeated_music * r = new Repeated_music (SCM_EOL);
 737                 if (beg)
 738                         {
 739                         r-> set_mus_property ("element", beg->self_scm ());
 740                         scm_gc_unprotect_object (beg->self_scm ());
 741                         }
 742                 r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 743
 744                 r-> set_mus_property ("elements",alts);
 745                 SCM func = scm_primitive_eval (ly_symbol2scm ("repeat-name-to-ctor"));
 746                 SCM result = gh_call1 (func, $2);
 747
 748                 if (gh_equal_p ($2, ly_str02scm ("tremolo")))
 749                 {
 750                 /*
 751                 we can not get durations and other stuff correct down the line, so we have to
 752                 add to the duration log here.
 753
 754                 TODO: do dots.
 755                 */
 756                         SCM func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
 757                         gh_call2 (func, r->self_scm (), gh_int2scm(-intlog2 ($3)));
 758                 }
 759
 760                 set_music_properties (r, result);
 761
 762                 r->set_spot (*$4->origin ());
 763
 764                 $$ = r;
 765         }
 766         ;
 767
 768 Sequential_music:
 769         SEQUENTIAL '{' Music_list '}'           {
 770                 $$ = new Sequential_music (SCM_EOL);
 771                 $$->set_mus_property ("elements", ly_car ($3));
 772                 $$->set_spot(THIS->here_input());
 773         }
 774         | '{' Music_list '}'            {
 775                 $$ = new Sequential_music (SCM_EOL);
 776                 $$->set_mus_property ("elements", ly_car ($2));
 777                 $$->set_spot(THIS->here_input());
 778         }
 779         ;
 780
 781 Simultaneous_music:
 782         SIMULTANEOUS '{' Music_list '}'{
 783                 $$ = new Simultaneous_music (SCM_EOL);
 784                 $$->set_mus_property ("elements", ly_car ($3));
 785                 $$->set_spot(THIS->here_input());
 786
 787         }
 788         | '<' Music_list '>'    {
 789                 $$ = new Simultaneous_music (SCM_EOL);
 790                 $$->set_mus_property ("elements", ly_car ($2));
 791                 $$->set_spot(THIS->here_input());
 792         }
 793         ;
 794
 795 Simple_music:
 796         request_chord           { $$ = $1; }
 797         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 798                 SCM pred = $2;
 799                 if (!gh_symbol_p ($3))
 800                 {
 801                         THIS->parser_error (_ ("Second argument must be a symbol"));
 802                 }
 803                 /*hould check # args */
 804                 if (!gh_procedure_p (pred))
 805                 {
 806                         THIS->parser_error (_ ("First argument must be a procedure taking 1 argument"));
 807                 }
 808
 809                 Music *m = new Music (SCM_EOL);
 810                 m->set_mus_property ("predicate", pred);
 811                 m->set_mus_property ("grob-property", $3);
 812                 m->set_mus_property ("grob-value",  $5);
 813                 m->set_mus_property ("iterator-ctor",
 814                 Output_property_music_iterator::constructor_cxx_function);
 815
 816                 $$ = m;
 817         }
 818         | MUSIC_IDENTIFIER {
 819                 $$ = unsmob_music ($1)->clone ();
 820
 821                 $$->set_spot (THIS->here_input());
 822         }
 823         | property_def
 824         | translator_change
 825         ;
 826
 827
 828 Composite_music:
 829         CONTEXT STRING Music    {
 830                 Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
 831                 csm->set_mus_property ("element", $3->self_scm ());
 832                 scm_gc_unprotect_object ($3->self_scm ());
 833
 834                 csm->set_mus_property ("context-type",$2);
 835                 csm->set_mus_property ("context-id", ly_str02scm (""));
 836
 837                 $$ = csm;
 838         }
 839         | AUTOCHANGE STRING Music       {
 840                 Music * chm = new Music_wrapper (SCM_EOL);
 841                 chm->set_mus_property ("element", $3->self_scm ());
 842                 chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_cxx_function);
 843
 844                 scm_gc_unprotect_object ($3->self_scm ());
 845                 chm->set_mus_property ("what", $2);
 846
 847                 $$ = chm;
 848                 chm->set_spot (*$3->origin ());
 849         }
 850         | GRACE Music {
 851 #if 1
 852         /*
 853                 The other version is for easier debugging  of
 854                 Sequential_music_iterator in combination with grace notes.
 855         */
 856
 857                 SCM start = THIS->lexer_->lookup_identifier ("startGraceMusic");
 858                 SCM stop = THIS->lexer_->lookup_identifier ("stopGraceMusic");
 859                 Music *startm = unsmob_music (start);
 860                 Music *stopm = unsmob_music (stop);
 861
 862                 SCM ms = SCM_EOL;
 863                 if (stopm) {
 864                         stopm = stopm->clone ();
 865                         ms = gh_cons (stopm->self_scm (), ms);
 866                         scm_gc_unprotect_object (stopm->self_scm ());
 867                 }
 868                 ms = gh_cons ($2->self_scm (), ms);
 869                 scm_gc_unprotect_object ($2->self_scm());
 870                 if (startm) {
 871                         startm = startm->clone ();
 872                         ms = gh_cons (startm->self_scm () , ms);
 873                         scm_gc_unprotect_object (startm->self_scm ());
 874                 }
 875
 876                 Music* seq = new Sequential_music (SCM_EOL);
 877                 seq->set_mus_property ("elements", ms);
 878
 879                 $$ = new Grace_music (SCM_EOL);
 880                 $$->set_mus_property ("element", seq->self_scm ());
 881                 scm_gc_unprotect_object (seq->self_scm ());
 882 #else
 883                 $$ = new Grace_music (SCM_EOL);
 884                 $$->set_mus_property ("element", $2->self_scm ());
 885                 scm_gc_unprotect_object ($2->self_scm ());
 886 #endif
 887         }
 888         | CONTEXT string '=' string Music {
 889                 Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
 890                 csm->set_mus_property ("element", $5->self_scm ());
 891                 scm_gc_unprotect_object ($5->self_scm ());
 892
 893                 csm->set_mus_property ("context-type", $2);
 894                 csm->set_mus_property ("context-id", $4);
 895
 896                 $$ = csm;
 897         }
 898         | TIMES {
 899                 THIS->push_spot ();
 900         }
 901         /* CONTINUED */
 902                 fraction Music
 903
 904         {
 905                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 906                 Music *mp = $4;
 907                 $$ = new Time_scaled_music (SCM_EOL);
 908                 $$->set_spot (THIS->pop_spot ());
 909
 910
 911                 $$->set_mus_property ("element", mp->self_scm ());
 912                 scm_gc_unprotect_object (mp->self_scm ());
 913                 $$->set_mus_property ("numerator", gh_int2scm (n));
 914                 $$->set_mus_property ("denominator", gh_int2scm (d));
 915                 $$->compress (Moment (Rational (n,d)));
 916
 917         }
 918         | Repeated_music                { $$ = $1; }
 919         | Simultaneous_music            { $$ = $1; }
 920         | Sequential_music              { $$ = $1; }
 921         | TRANSPOSE pitch Music {
 922                 $$ = new Transposed_music (SCM_EOL);
 923                 Music *p = $3;
 924                 Pitch pit = *unsmob_pitch ($2);
 925
 926                 p->transpose (pit);
 927                 $$->set_mus_property ("element", p->self_scm ());
 928                 scm_gc_unprotect_object (p->self_scm ());
 929         }
 930         | TRANSPOSE steno_tonic_pitch Music {
 931                 $$ = new Transposed_music (SCM_EOL);
 932                 Music *p = $3;
 933                 Pitch pit = *unsmob_pitch ($2);
 934
 935                 p->transpose (pit);
 936                 $$->set_mus_property ("element", p->self_scm ());
 937                 scm_gc_unprotect_object (p->self_scm ());
 938
 939         }
 940         | APPLY embedded_scm Music  {
 941                 SCM ret = gh_call1 ($2, $3->self_scm ());
 942                 Music *m = unsmob_music (ret);
 943                 if (!m) {
 944                         THIS->parser_error ("\\apply must return a Music");
 945                         m = new Music (SCM_EOL);
 946                         }
 947                 $$ = m;
 948         }
 949         | NOTES
 950                 { THIS->lexer_->push_note_state (); }
 951         Music
 952                 { $$ = $3;
 953                   THIS->lexer_->pop_state ();
 954                 }
 955         | FIGURES
 956                 { THIS->lexer_->push_figuredbass_state (); }
 957         Music
 958                 {
 959                   Music * chm = new Untransposable_music () ;
 960                   chm->set_mus_property ("element", $3->self_scm ());
 961                   $$ = chm;
 962                   scm_gc_unprotect_object ($3->self_scm());
 963
 964                   THIS->lexer_->pop_state ();
 965         }
 966         | CHORDS
 967                 { THIS->lexer_->push_chord_state (); }
 968         Music
 969                 {
 970                   Music * chm = new Un_relativable_music ;
 971                   chm->set_mus_property ("element", $3->self_scm ());
 972                   scm_gc_unprotect_object ($3->self_scm());
 973                   $$ = chm;
 974
 975                   THIS->lexer_->pop_state ();
 976         }
 977         | LYRICS
 978                 { THIS->lexer_->push_lyric_state (); }
 979         Music
 980                 {
 981                   $$ = $3;
 982                   THIS->lexer_->pop_state ();
 983         }
 984         | relative_music        { $$ = $1; }
 985         | re_rhythmed_music     { $$ = $1; }
 986         | part_combined_music   { $$ = $1; }
 987         ;
 988
 989 relative_music:
 990         RELATIVE absolute_pitch Music {
 991                 Music * p = $3;
 992                 Pitch pit = *unsmob_pitch ($2);
 993                 $$ = new Relative_octave_music (SCM_EOL);
 994
 995                 $$->set_mus_property ("element", p->self_scm ());
 996                 scm_gc_unprotect_object (p->self_scm ());
 997
 998                 $$->set_mus_property ("last-pitch", p->to_relative_octave (pit).smobbed_copy ());
 999
1000         }
1001         ;
1002
1003 re_rhythmed_music:
1004         ADDLYRICS Music Music {
1005           Lyric_combine_music * l = new Lyric_combine_music (SCM_EOL);
1006           l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
1007           scm_gc_unprotect_object ($3->self_scm ());
1008           scm_gc_unprotect_object ($2->self_scm ());
1009           $$ = l;
1010         }
1011         ;
1012
1013 part_combined_music:
1014         PARTCOMBINE STRING Music Music {
1015                 Part_combine_music * p = new Part_combine_music (SCM_EOL);
1016
1017                 p->set_mus_property ("what", $2);
1018                 p->set_mus_property ("elements", gh_list ($3->self_scm (),$4->self_scm (), SCM_UNDEFINED));
1019
1020                 scm_gc_unprotect_object ($3->self_scm ());
1021                 scm_gc_unprotect_object ($4->self_scm ());
1022
1023                 $$ = p;
1024         }
1025         ;
1026
1027 translator_change:
1028         TRANSLATOR STRING '=' STRING  {
1029                 Music * t = new Music (SCM_EOL);
1030                 t->set_mus_property ("iterator-ctor",
1031                         Change_iterator::constructor_cxx_function);
1032                 t-> set_mus_property ("change-to-type", $2);
1033                 t-> set_mus_property ("change-to-id", $4);
1034
1035                 $$ = t;
1036                 $$->set_spot (THIS->here_input ());
1037         }
1038         ;
1039
1040 property_def:
1041         PROPERTY STRING '.' STRING '='  scalar {
1042
1043                 Music *t = set_property_music (scm_string_to_symbol ($4), $6);
1044                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1045
1046                 csm->set_mus_property ("element", t->self_scm ());
1047                 scm_gc_unprotect_object (t->self_scm ());
1048
1049                 $$ = csm;
1050                 $$->set_spot (THIS->here_input ());
1051
1052                 csm-> set_mus_property ("context-type", $2);
1053         }
1054         | PROPERTY STRING '.' STRING UNSET {
1055                 Music *t = new Music (SCM_EOL);
1056
1057                 t->set_mus_property ("iterator-ctor",
1058                         Property_unset_iterator::constructor_cxx_function);
1059                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1060
1061                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1062                 csm->set_mus_property ("element", t->self_scm ());
1063                 scm_gc_unprotect_object (t->self_scm ());
1064
1065                 $$ = csm;
1066                 $$->set_spot (THIS->here_input ());
1067
1068                 csm-> set_mus_property ("context-type", $2);
1069         }
1070         | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
1071                 Music *t = new Music (SCM_EOL);
1072                 t->set_mus_property ("iterator-ctor",
1073                         Push_property_iterator::constructor_cxx_function);
1074                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1075                 t->set_mus_property ("pop-first", SCM_BOOL_T);
1076                 t->set_mus_property ("grob-property", $6);
1077                 t->set_mus_property ("grob-value", $8);
1078                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1079                 csm->set_mus_property ("element", t->self_scm ());
1080                 scm_gc_unprotect_object (t->self_scm ());
1081                 $$ = csm;
1082                 $$->set_spot (THIS->here_input ());
1083
1084                 csm-> set_mus_property ("context-type", $2);
1085         }
1086         | PROPERTY STRING '.' STRING OVERRIDE embedded_scm '=' embedded_scm {
1087                 Music *t = new Music (SCM_EOL);
1088                 t->set_mus_property ("iterator-ctor",
1089                         Push_property_iterator::constructor_cxx_function);
1090                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1091                 t->set_mus_property ("grob-property", $6);
1092                 t->set_mus_property ("grob-value", $8);
1093                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1094                 csm->set_mus_property ("element", t->self_scm ());
1095                 scm_gc_unprotect_object (t->self_scm ());
1096
1097                 $$ = csm;
1098                 $$->set_spot (THIS->here_input ());
1099
1100                 csm-> set_mus_property ("context-type", $2);
1101         }
1102         | PROPERTY STRING '.' STRING REVERT embedded_scm {
1103                 Music *t = new Music (SCM_EOL);
1104                 t->set_mus_property ("iterator-ctor",
1105                         Pop_property_iterator::constructor_cxx_function);
1106                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1107                 t->set_mus_property ("grob-property", $6);
1108
1109                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1110                 csm->set_mus_property ("element", t->self_scm ());
1111                 scm_gc_unprotect_object (t->self_scm ());
1112
1113                 $$ = csm;
1114                 $$->set_spot (THIS->here_input ());
1115
1116                 csm-> set_mus_property ("context-type", $2);
1117         }
1118         ;
1119
1120
1121 scalar:
1122         string          { $$ = $1; }
1123         | bare_int      { $$ = gh_int2scm ($1); }
1124         | embedded_scm  { $$ = $1; }
1125         ;
1126
1127
1128 request_chord:
1129         pre_requests {
1130                 THIS->push_spot ();
1131         } /*cont */ simple_element post_requests        {
1132                 Music_sequence *l = dynamic_cast<Music_sequence*> ($3);
1133
1134                 $1->concat (*$4);
1135                 for (int i=0; i < $1->size (); i++) {
1136                   Music * m = $1->elem (i);
1137                   l->append_music (m);
1138                 }
1139                 $$ = $3;
1140
1141                 delete $1;
1142                 delete $4;
1143         }
1144         | command_element
1145         ;
1146
1147 command_element:
1148         command_req {
1149                 $$ = new Request_chord (SCM_EOL);
1150                 $$->set_mus_property ("elements", gh_cons ($1->self_scm (), SCM_EOL));
1151           scm_gc_unprotect_object ($1->self_scm());
1152
1153                 $$-> set_spot (THIS->here_input ());
1154                 $1-> set_spot (THIS->here_input ());
1155         }
1156         | E_LEFTSQUARE {
1157                 Span_req *l = new Span_req;
1158                 l->set_span_dir (START);
1159                 l->set_mus_property ("span-type", ly_str02scm ("ligature"));
1160                 l->set_spot (THIS->here_input ());
1161
1162                 $$ = new Request_chord (SCM_EOL);
1163                 $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
1164           scm_gc_unprotect_object (l->self_scm());
1165                 $$->set_spot (THIS->here_input ());
1166         }
1167         | E_RIGHTSQUARE {
1168                 Span_req *l = new Span_req;
1169                 l->set_span_dir (STOP);
1170                 l->set_mus_property ("span-type", ly_str02scm ("ligature"));
1171                 l->set_spot (THIS->here_input ());
1172
1173                 $$ = new Request_chord (SCM_EOL);
1174                 $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
1175                 $$->set_spot (THIS->here_input ());
1176           scm_gc_unprotect_object (l->self_scm());
1177
1178         }
1179         | E_BACKSLASH {
1180                 $$ = new Music (gh_list (gh_cons (ly_symbol2scm ("name"), ly_symbol2scm ("separator")), SCM_UNDEFINED));
1181                 $$->set_spot (THIS->here_input ());
1182         }
1183         | '|'      {
1184
1185                 extern Music * get_barcheck();
1186                 $$ = get_barcheck ();
1187                 $$->set_spot (THIS->here_input ());
1188         }
1189         | BAR STRING                    {
1190                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1191
1192                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1193                 csm->set_mus_property ("element", t->self_scm ());
1194                 scm_gc_unprotect_object (t->self_scm ());
1195
1196                 $$ = csm;
1197                 $$->set_spot (THIS->here_input ());
1198
1199                 csm->set_mus_property ("context-type", ly_str02scm ("Score"));
1200         }
1201         | PARTIAL duration_length       {
1202                 Moment m = - unsmob_duration ($2)->length_mom ();
1203                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1204
1205                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1206                 sp->set_mus_property ("element", p->self_scm ());
1207                 scm_gc_unprotect_object (p->self_scm ());
1208
1209                 $$ =sp ;
1210                 sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
1211         }
1212         | CLEF STRING  {
1213                 SCM func = scm_primitive_eval (ly_symbol2scm ("clef-name-to-properties"));
1214                 SCM result = gh_call1 (func, $2);
1215
1216                 SCM l = SCM_EOL;
1217                 for (SCM s = result ; gh_pair_p (s); s = ly_cdr (s)) {
1218                         Music * p = new Music (SCM_EOL);
1219                         set_music_properties (p, ly_car (s));
1220                         l = gh_cons (p->self_scm (), l);
1221                         scm_gc_unprotect_object (p->self_scm ());
1222                 }
1223                 Sequential_music * seq = new Sequential_music (SCM_EOL);
1224                 seq->set_mus_property ("elements", l);
1225
1226                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1227                 sp->set_mus_property ("element", seq->self_scm ());
1228                 scm_gc_unprotect_object (seq->self_scm ());
1229
1230                 $$ =sp ;
1231                 sp-> set_mus_property ("context-type", ly_str02scm ("Staff"));
1232         }
1233         | TIME_T fraction  {
1234                 Music * p1 = set_property_music (ly_symbol2scm ( "timeSignatureFraction"), $2);
1235
1236                 int l = gh_scm2int (ly_car ($2));
1237                 int o = gh_scm2int (ly_cdr ($2));
1238
1239                 Moment one_beat = Moment (1)/Moment (o);
1240                 Moment len = Moment (l) * one_beat;
1241
1242
1243                 Music *p2 = set_property_music (ly_symbol2scm ("measureLength"), len.smobbed_copy ());
1244                 Music *p3 = set_property_music (ly_symbol2scm ("beatLength"), one_beat.smobbed_copy ());
1245
1246                 SCM list = scm_list_n (p1->self_scm (), p2->self_scm (), p3->self_scm(), SCM_UNDEFINED);
1247                 Sequential_music *seq = new Sequential_music (SCM_EOL);
1248                 seq->set_mus_property ("elements", list);
1249
1250
1251                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1252                 sp->set_mus_property ("element", seq->self_scm ());
1253
1254
1255
1256                 scm_gc_unprotect_object (p3->self_scm ());
1257                 scm_gc_unprotect_object (p2->self_scm ());
1258                 scm_gc_unprotect_object (p1->self_scm ());
1259                 scm_gc_unprotect_object (seq->self_scm ());
1260
1261                 $$ = sp;
1262
1263 /*
1264  TODO: should make alias TimingContext for Score
1265 */
1266
1267                 sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
1268         }
1269         ;
1270
1271 command_req:
1272         shorthand_command_req   { $$ = $1; }
1273         | verbose_command_req   { $$ = $1; }
1274         ;
1275
1276 shorthand_command_req:
1277         extender_req {
1278                 $$ = $1;
1279         }
1280         | hyphen_req {
1281                 $$ = $1;
1282         }
1283         | '~'   {
1284                 $$ = new Tie_req;
1285         }
1286         | '['           {
1287                 Span_req*b= new Span_req;
1288                 b->set_span_dir (START);
1289                 b->set_mus_property ("span-type", ly_str02scm ("beam"));
1290                 $$ =b;
1291
1292
1293                 THIS->last_beam_start_ = b->self_scm ();
1294         }
1295         | ']'           {
1296                 Span_req*b= new Span_req;
1297                 b->set_span_dir ( STOP);
1298                 b->set_mus_property ("span-type", ly_str02scm ("beam"));
1299                 $$ = b;
1300         }
1301         | BREATHE {
1302                 $$ = new Breathing_sign_req;
1303         }
1304         | E_TILDE {
1305                 $$ = new Porrectus_req;
1306         }
1307         ;
1308
1309 verbose_command_req:
1310         COMMANDSPANREQUEST bare_int STRING { /*TODO: junkme */
1311                 Span_req * sp = new Span_req;
1312                 sp-> set_span_dir ( Direction ($2));
1313                 sp->set_mus_property ("span-type",$3);
1314                 sp->set_spot (THIS->here_input ());
1315                 $$ = sp;
1316         }
1317         | MARK DEFAULT  {
1318                 Mark_req * m = new Mark_req;
1319                 $$ = m;
1320         }
1321         | MARK scalar {
1322                 Mark_req *m = new Mark_req;
1323                 m->set_mus_property ("label", $2);
1324                 $$ = m;
1325         }
1326         | PENALTY SCM_T         {
1327                 Break_req * b = new Break_req;
1328                 SCM s = $2;
1329                 if (!gh_number_p (s))
1330                         s  =gh_int2scm (0);
1331
1332                 b->set_mus_property ("penalty", s);
1333                 b->set_spot (THIS->here_input ());
1334                 $$ = b;
1335         }
1336         | SKIP duration_length {
1337                 Skip_req * skip = new Skip_req;
1338                 skip->set_mus_property ("duration", $2);
1339
1340                 $$ = skip;
1341         }
1342         | tempo_request {
1343                 $$ = $1;
1344         }
1345         | KEY DEFAULT {
1346                 Key_change_req *key= new Key_change_req;
1347                 $$ = key;
1348         }
1349         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1350                 Key_change_req *key= new Key_change_req;
1351
1352                 key->set_mus_property ("pitch-alist", $3);
1353                 ((Music*)key)->transpose (* unsmob_pitch ($2));
1354                 $$ = key;
1355         }
1356         ;
1357
1358 post_requests:
1359         {
1360                 $$ = new Link_array<Request>;
1361         }
1362         | post_requests post_request {
1363                 $2->set_spot (THIS->here_input ());
1364                 $$->push ($2);
1365         }
1366         ;
1367
1368 post_request:
1369         verbose_request
1370         | request_with_dir
1371         | close_request
1372         ;
1373
1374
1375 request_that_take_dir:
1376         gen_text_def
1377         | verbose_request
1378         | script_abbreviation {
1379                 SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
1380                 Articulation_req *a = new Articulation_req;
1381                 if (gh_string_p (s))
1382                         a->set_mus_property ("articulation-type", s);
1383                 else THIS->parser_error (_ ("Expecting string as script definition"));
1384                 $$ = a;
1385         }
1386         ;
1387
1388 request_with_dir:
1389         script_dir request_that_take_dir        {
1390                 if (Script_req * gs = dynamic_cast<Script_req*> ($2))
1391                         gs->set_direction (Direction ($1));
1392                 else if ($1)
1393                         $2->origin ()->warning (_ ("Can't specify direction for this request"));
1394                 $$ = $2;
1395         }
1396         ;
1397
1398 verbose_request:
1399         REQUEST_IDENTIFIER      {
1400                 $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
1401                 $$->set_spot (THIS->here_input ());
1402         }
1403         | DYNAMICSCRIPT embedded_scm {
1404                 /*
1405                         TODO: junkme, use text-type == dynamic
1406                 */
1407                 Text_script_req *d = new Text_script_req;
1408                 SCM dyn = ly_symbol2scm ("dynamic");
1409                 d->set_mus_property ("text-type" , dyn);
1410                 d->set_mus_property ("text", $2);
1411                 d->set_spot (THIS->here_input ());
1412                 $$ = d;
1413         }
1414         | SPANREQUEST bare_int STRING {
1415                 Span_req * sp = new Span_req;
1416                 sp->set_span_dir ( Direction ($2));
1417                 sp->set_mus_property ("span-type", $3);
1418                 sp->set_spot (THIS->here_input ());
1419                 $$ = sp;
1420         }
1421         | tremolo_type  {
1422                Tremolo_req* a = new Tremolo_req;
1423                a->set_spot (THIS->here_input ());
1424                a->set_mus_property ("tremolo-type", gh_int2scm ($1));
1425                $$ = a;
1426         }
1427         | SCRIPT STRING         {
1428                 Articulation_req * a = new Articulation_req;
1429                 a->set_mus_property ("articulation-type", $2);
1430                 a->set_spot (THIS->here_input ());
1431                 $$ = a;
1432         }
1433         /*
1434 duh, junk this syntax from the parser, if possible.
1435         */
1436         | ARPEGGIO {
1437                 Arpeggio_req *a = new Arpeggio_req;
1438                 a->set_spot (THIS->here_input ());
1439                 $$ = a;
1440         }
1441         | GLISSANDO {
1442                 Glissando_req *g = new Glissando_req;
1443                 g->set_spot /* No pun intended */ (THIS->here_input ());
1444                 $$ = g;
1445         }
1446         ;
1447
1448 sup_quotes:
1449         '\'' {
1450                 $$ = 1;
1451         }
1452         | sup_quotes '\'' {
1453                 $$ ++;
1454         }
1455         ;
1456
1457 sub_quotes:
1458         ',' {
1459                 $$ = 1;
1460         }
1461         | sub_quotes ',' {
1462                 $$ ++ ;
1463         }
1464         ;
1465
1466 steno_pitch:
1467         NOTENAME_PITCH  {
1468                 $$ = $1;
1469         }
1470         | NOTENAME_PITCH sup_quotes     {
1471                 Pitch p = *unsmob_pitch ($1);
1472                 p.octave_ +=  $2;
1473                 $$ = p.smobbed_copy ();
1474         }
1475         | NOTENAME_PITCH sub_quotes      {
1476                 Pitch p =* unsmob_pitch ($1);
1477
1478                 p.octave_ +=  -$2;
1479                 $$ = p.smobbed_copy ();
1480
1481         }
1482         ;
1483
1484 /*
1485 ugh. duplication
1486 */
1487
1488 steno_tonic_pitch:
1489         TONICNAME_PITCH {
1490                 $$ = $1;
1491         }
1492         | TONICNAME_PITCH sup_quotes    {
1493                 Pitch p = *unsmob_pitch ($1);
1494                 p.octave_ +=  $2;
1495                 $$ = p.smobbed_copy ();
1496         }
1497         | TONICNAME_PITCH sub_quotes     {
1498                 Pitch p =* unsmob_pitch ($1);
1499
1500                 p.octave_ +=  -$2;
1501                 $$ = p.smobbed_copy ();
1502
1503         }
1504         ;
1505
1506 pitch:
1507         steno_pitch {
1508                 $$ = $1;
1509         }
1510         | explicit_pitch {
1511                 $$ = $1;
1512         }
1513         ;
1514
1515 explicit_pitch:
1516         PITCH embedded_scm {
1517                 $$ = $2;
1518                 if (!unsmob_pitch ($2)) {
1519                         THIS->parser_error (_f ("Expecting musical-pitch value", 3));
1520                          $$ = Pitch ().smobbed_copy ();
1521                 }
1522         }
1523         ;
1524
1525 verbose_duration:
1526         DURATION embedded_scm   {
1527                 $$ = $2;
1528                 if (!unsmob_duration ($2))
1529                 {
1530                         THIS->parser_error (_ ("Must have duration object"));
1531                         $$ = Duration ().smobbed_copy ();
1532                 }
1533         }
1534         ;
1535
1536 extender_req:
1537         EXTENDER {
1538                 if (!THIS->lexer_->lyric_state_b ())
1539                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1540                 $$ = new Extender_req;
1541         }
1542         ;
1543
1544 hyphen_req:
1545         HYPHEN {
1546                 if (!THIS->lexer_->lyric_state_b ())
1547                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1548                 $$ = new Hyphen_req;
1549         }
1550         ;
1551
1552 close_request:
1553         close_request_parens {
1554                 $$ = $1;
1555                 dynamic_cast<Span_req*> ($$)->set_span_dir ( START);
1556         }
1557         ;
1558
1559 close_request_parens:
1560         '('     {
1561                 Span_req* s= new Span_req;
1562                 $$ = s;
1563                 s->set_mus_property ("span-type", ly_str02scm ( "slur"));
1564                 s->set_spot (THIS->here_input());
1565         }
1566         | E_OPEN        {
1567                 Span_req* s= new Span_req;
1568                 $$ = s;
1569                 s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
1570                 s->set_spot (THIS->here_input());
1571         }
1572         | E_SMALLER {
1573                 Span_req*s =new Span_req;
1574                 $$ = s;
1575                 s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
1576                 s->set_spot (THIS->here_input());
1577         }
1578         | E_BIGGER {
1579                 Span_req*s =new Span_req;
1580                 $$ = s;
1581                 s->set_mus_property ("span-type", ly_str02scm ("decrescendo"));
1582                 s->set_spot (THIS->here_input());
1583         }
1584         ;
1585
1586
1587 open_request:
1588         open_request_parens {
1589                 $$ = $1;
1590                 dynamic_cast<Span_req*> ($$)->set_span_dir (STOP);
1591         }
1592         ;
1593
1594 open_request_parens:
1595         E_EXCLAMATION   {
1596                 Span_req *s =  new Span_req;
1597                 s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
1598                 s->set_spot (THIS->here_input());
1599
1600                 $$ = s;
1601         }
1602         | ')'   {
1603                 Span_req* s= new Span_req;
1604                 $$ = s;
1605                 s->set_mus_property ("span-type", ly_str02scm ( "slur"));
1606                 s->set_spot (THIS->here_input());
1607
1608         }
1609         | E_CLOSE       {
1610                 Span_req* s= new Span_req;
1611                 $$ = s;
1612                 s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
1613                 s->set_spot (THIS->here_input());
1614         }
1615         ;
1616
1617 gen_text_def:
1618         embedded_scm {
1619                 Text_script_req *t = new Text_script_req;
1620                 t->set_mus_property ("text", $1);
1621                 t->set_spot (THIS->here_input ());
1622                 $$ = t;
1623         }
1624         | string {
1625                 Text_script_req *t = new Text_script_req;
1626                 t->set_mus_property ("text", $1);
1627                 t->set_spot (THIS->here_input ());
1628                 $$ = t;
1629         }
1630         | DIGIT {
1631                 String ds = to_string ($1);
1632                 Text_script_req* t = new Text_script_req;
1633                 SCM finger = ly_symbol2scm ("finger");
1634                 t->set_mus_property ("text",  ly_str02scm (ds.to_str0 ()));
1635                 t->set_mus_property ("text-type" , finger);
1636                 t->set_spot (THIS->here_input ());
1637                 $$ = t;
1638         }
1639         ;
1640
1641 script_abbreviation:
1642         '^'             {
1643                 $$ = gh_str02scm ("Hat");
1644         }
1645         | '+'           {
1646                 $$ = gh_str02scm ("Plus");
1647         }
1648         | '-'           {
1649                 $$ = gh_str02scm ("Dash");
1650         }
1651         | '|'           {
1652                 $$ = gh_str02scm ("Bar");
1653         }
1654         | '>'           {
1655                 $$ = gh_str02scm ("Larger");
1656         }
1657         | '.'           {
1658                 $$ = gh_str02scm ("Dot");
1659         }
1660         ;
1661
1662 script_dir:
1663         '_'     { $$ = DOWN; }
1664         | '^'   { $$ = UP; }
1665         | '-'   { $$ = CENTER; }
1666         ;
1667
1668 pre_requests:
1669         {
1670                 $$ = new Link_array<Request>;
1671         }
1672         | pre_requests open_request {
1673                 $$->push ($2);
1674         }
1675         ;
1676
1677 absolute_pitch:
1678         steno_pitch     {
1679                 $$ = $1;
1680         }
1681         ;
1682
1683 duration_length:
1684         multiplied_duration {
1685                 $$ = $1;
1686         }
1687         | verbose_duration {
1688                 $$ = $1;
1689         }
1690         ;
1691
1692 optional_notemode_duration:
1693         {
1694                 Duration dd = THIS->default_duration_;
1695                 $$ = dd.smobbed_copy ();
1696
1697                 THIS->beam_check ($$);
1698         }
1699         | multiplied_duration   {
1700                 $$ = $1;
1701                 THIS->default_duration_ = *unsmob_duration ($$);
1702
1703                 THIS->beam_check ($$);
1704         }
1705         | verbose_duration {
1706                 $$ = $1;
1707                 THIS->default_duration_ = *unsmob_duration ($$);
1708         }
1709         ;
1710
1711 steno_duration:
1712         bare_unsigned dots              {
1713                 int l = 0;
1714                 if (!is_duration_b ($1))
1715                         THIS->parser_error (_f ("not a duration: %d", $1));
1716                 else
1717                         l =  intlog2 ($1);
1718
1719                 $$ = Duration (l, $2).smobbed_copy ();
1720         }
1721         | DURATION_IDENTIFIER dots      {
1722                 Duration *d =unsmob_duration ($1);
1723                 Duration k (d->duration_log (),d->dot_count () + $2);
1724                 $$ = k.smobbed_copy ();
1725         }
1726         ;
1727
1728
1729
1730
1731 multiplied_duration:
1732         steno_duration {
1733                 $$ = $1;
1734         }
1735         | multiplied_duration '*' bare_unsigned {
1736                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1737         }
1738         | multiplied_duration '*' FRACTION {
1739                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1740
1741                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1742         }
1743         ;
1744
1745 fraction:
1746         FRACTION { $$ = $1; }
1747         | UNSIGNED '/' UNSIGNED {
1748                 $$ = gh_cons (gh_int2scm ($1), gh_int2scm ($3));
1749         }
1750         ;
1751
1752 dots:
1753         /* empty */     {
1754                 $$ = 0;
1755         }
1756         | dots '.' {
1757                 $$ ++;
1758         }
1759         ;
1760
1761
1762 tremolo_type:
1763         ':'     {
1764                 $$ =0;
1765         }
1766         | ':' bare_unsigned {
1767                 if (!is_duration_b ($2))
1768                         THIS->parser_error (_f ("not a duration: %d", $2));
1769                 $$ = $2;
1770         }
1771         ;
1772
1773
1774 bass_number:
1775         DIGIT
1776         | UNSIGNED
1777         ;
1778
1779 bass_mod:
1780         '-'     { $$ = -1; }
1781         | '+'   { $$ = 1; }
1782         | '!'   { $$ = 0; }
1783         ;
1784
1785 bass_figure:
1786         FIGURE_SPACE {
1787                 Bass_figure_req *bfr = new Bass_figure_req;
1788                 $$ = bfr->self_scm();
1789                 scm_gc_unprotect_object ($$);
1790         }
1791         | bass_number  {
1792                 Bass_figure_req *bfr = new Bass_figure_req;
1793                 $$ = bfr->self_scm();
1794
1795                 bfr->set_mus_property ("figure", gh_int2scm ($1));
1796
1797                 scm_gc_unprotect_object ($$);
1798         }
1799         | bass_figure bass_mod {
1800                 Music *m = unsmob_music ($1);
1801                 if ($2) {
1802                         SCM salter =m->get_mus_property ("alteration");
1803                         int alter = gh_number_p ( salter) ? gh_scm2int (salter) : 0;
1804                         m->set_mus_property ("alteration",
1805                                 gh_int2scm (alter + $2));
1806                 } else {
1807                         m->set_mus_property ("alteration", gh_int2scm (0));
1808                 }
1809         }
1810         ;
1811
1812 br_bass_figure:
1813         '[' bass_figure {
1814                 $$ = $2;
1815                 unsmob_music ($$)->set_mus_property ("bracket-start", SCM_BOOL_T);
1816         }
1817         | bass_figure   {
1818                 $$ = $1;
1819         }
1820         | br_bass_figure ']' {
1821                 $$ = $1;
1822                 unsmob_music ($1)->set_mus_property ("bracket-stop", SCM_BOOL_T);
1823         }
1824         ;
1825
1826 figure_list:
1827         /**/            {
1828                 $$ = SCM_EOL;
1829         }
1830         | figure_list br_bass_figure {
1831                 $$ = gh_cons ($2, $1);
1832         }
1833         ;
1834
1835 figure_spec:
1836         FIGURE_OPEN figure_list FIGURE_CLOSE {
1837                 Music * m = new Request_chord (SCM_EOL);
1838                 $2 = scm_reverse_x ($2, SCM_EOL);
1839                 m->set_mus_property ("elements",  $2);
1840                 $$ = m->self_scm ();
1841         }
1842         ;
1843
1844
1845 optional_rest:
1846         /**/   { $$ = 0; }
1847         | REST { $$ = 1; }
1848         ;
1849
1850 simple_element:
1851         pitch exclamations questions optional_notemode_duration optional_rest {
1852
1853                 Input i = THIS->pop_spot ();
1854                 if (!THIS->lexer_->note_state_b ())
1855                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1856
1857                 Music *n = 0;
1858                 if ($5)
1859                         n =  new Rest_req ;
1860                 else
1861                         n =  new Note_req;
1862
1863                 n->set_mus_property ("pitch", $1);
1864                 n->set_mus_property ("duration", $4);
1865
1866
1867                 if ($3 % 2)
1868                         n->set_mus_property ("cautionary", SCM_BOOL_T);
1869                 if ($2 % 2 || $3 % 2)
1870                         n->set_mus_property ("force-accidental", SCM_BOOL_T);
1871
1872                 Simultaneous_music*v = new Request_chord (SCM_EOL);
1873                 v->set_mus_property ("elements", scm_list_n (n->self_scm (), SCM_UNDEFINED));
1874                 scm_gc_unprotect_object (n->self_scm());
1875
1876                 v->set_spot (i);
1877                 n->set_spot (i);
1878                 $$ = v;
1879         }
1880         | figure_spec optional_notemode_duration {
1881                 Music * m = unsmob_music ($1);
1882                 Input i = THIS->pop_spot ();
1883                 m->set_spot (i);
1884                 for (SCM s = m->get_mus_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
1885                         {
1886                                 unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
1887                         }
1888                 $$ = m;
1889         }
1890         | RESTNAME optional_notemode_duration           {
1891
1892                 Input i = THIS->pop_spot ();
1893                 SCM e = SCM_UNDEFINED;
1894                 if (ly_scm2string ($1) =="s") {
1895                         /* Space */
1896                         Skip_req * skip = new Skip_req;
1897                         skip->set_mus_property ("duration" ,$2);
1898                         skip->set_spot (i);
1899                         e = skip->self_scm ();
1900                   }
1901                   else {
1902                         Rest_req * rest_req = new Rest_req;
1903                         rest_req->set_mus_property ("duration", $2);
1904                         rest_req->set_spot (i);
1905                         e = rest_req->self_scm ();
1906                     }
1907                 Simultaneous_music* velt = new Request_chord (SCM_EOL);
1908                 velt-> set_mus_property ("elements", scm_list_n (e,SCM_UNDEFINED));
1909                 velt->set_spot (i);
1910
1911                 $$ = velt;
1912         }
1913         | MULTI_MEASURE_REST optional_notemode_duration         {
1914                 Input i = THIS->pop_spot ();
1915
1916                 Skip_req * sk = new Skip_req;
1917                 sk->set_mus_property ("duration", $2);
1918                 Span_req *sp1 = new Span_req;
1919                 Span_req *sp2 = new Span_req;
1920                 sp1-> set_span_dir ( START);
1921                 sp2-> set_span_dir ( STOP);
1922                 SCM r = ly_str02scm ("rest");
1923                 sp1->set_mus_property ("span-type", r);
1924                 sp2->set_mus_property ("span-type", r);
1925
1926                 Request_chord * rqc1 = new Request_chord (SCM_EOL);
1927                 rqc1->set_mus_property ("elements", scm_list_n (sp1->self_scm (), SCM_UNDEFINED));
1928                 Request_chord * rqc2 = new Request_chord (SCM_EOL);
1929                 rqc2->set_mus_property ("elements", scm_list_n (sk->self_scm (), SCM_UNDEFINED));;
1930                 Request_chord * rqc3 = new Request_chord (SCM_EOL);
1931                 rqc3->set_mus_property ("elements", scm_list_n (sp2->self_scm (), SCM_UNDEFINED));;
1932
1933                 SCM ms = scm_list_n (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
1934
1935                 $$ = new Sequential_music (SCM_EOL);
1936                 $$->set_mus_property ("elements", ms);
1937         }
1938         | STRING optional_notemode_duration     {
1939                 Input i = THIS->pop_spot ();
1940
1941                 Lyric_req* lreq = new Lyric_req;
1942                 lreq->set_mus_property ("text", $1);
1943                 lreq->set_mus_property ("duration",$2);
1944                 lreq->set_spot (i);
1945                 Simultaneous_music* velt = new Request_chord (SCM_EOL);
1946                 velt->set_mus_property ("elements", scm_list_n (lreq->self_scm (), SCM_UNDEFINED));
1947
1948                 $$= velt;
1949         }
1950         | chord {
1951                 Input i = THIS->pop_spot ();
1952
1953                 if (!THIS->lexer_->chord_state_b ())
1954                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1955                 $$ = $1;
1956         }
1957         ;
1958
1959
1960 chord:
1961         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1962                 $$ = Chord::get_chord ($1, $3, $4, $5, $6, $2);
1963                 $$->set_spot (THIS->here_input ());
1964         };
1965
1966 chord_additions:
1967         {
1968                 $$ = SCM_EOL;
1969         }
1970         | CHORD_COLON chord_notes {
1971                 $$ = $2;
1972         }
1973         ;
1974
1975 chord_notes:
1976         chord_step {
1977                 $$ = $1;
1978         }
1979         | chord_notes '.' chord_step {
1980                 $$ = gh_append2 ($$, $3);
1981         }
1982         ;
1983
1984 chord_subtractions:
1985         {
1986                 $$ = SCM_EOL;
1987         }
1988         | CHORD_CARET chord_notes {
1989                 $$ = $2;
1990         }
1991         ;
1992
1993
1994 chord_inversion:
1995         {
1996                 $$ = SCM_EOL;
1997         }
1998         | '/' steno_tonic_pitch {
1999                 $$ = $2;
2000         }
2001         ;
2002
2003 chord_bass:
2004         {
2005                 $$ = SCM_EOL;
2006         }
2007         | CHORD_BASS steno_tonic_pitch {
2008                 $$ = $2;
2009         }
2010         ;
2011
2012 chord_step:
2013         chord_note {
2014                 $$ = gh_cons ($1, SCM_EOL);
2015         }
2016         | CHORDMODIFIER_PITCH {
2017                 $$ = gh_cons (unsmob_pitch ($1)->smobbed_copy (), SCM_EOL);
2018         }
2019         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
2020                 $$ = scm_list_n (unsmob_pitch ($1)->smobbed_copy (),
2021                         $2, SCM_UNDEFINED);
2022         }
2023         ;
2024
2025 chord_note:
2026         bare_unsigned {
2027                  Pitch m;
2028                 m.notename_ = ($1 - 1) % 7;
2029                 m.octave_ = $1 > 7 ? 1 : 0;
2030                 m.alteration_ = 0;
2031
2032                 $$ = m.smobbed_copy ();
2033         }
2034         | bare_unsigned '+' {
2035                 Pitch m;
2036                 m.notename_ = ($1 - 1) % 7;
2037                 m.octave_ = $1 > 7 ? 1 : 0;
2038                 m.alteration_ = 1;
2039
2040
2041                 $$ = m.smobbed_copy ();
2042         }
2043         | bare_unsigned CHORD_MINUS {
2044                 Pitch m;
2045                 m.notename_ = ($1 - 1) % 7;
2046                 m.octave_ = $1 > 7 ? 1 : 0;
2047                 m.alteration_ = -1;
2048
2049                 $$ = m.smobbed_copy ();
2050         }
2051         ;
2052
2053 /*
2054         UTILITIES
2055  */
2056 number_expression:
2057         number_expression '+' number_term {
2058                 $$ = scm_sum ($1, $3);
2059         }
2060         | number_expression '-' number_term {
2061                 $$ = scm_difference ($1, $3);
2062         }
2063         | number_term
2064         ;
2065
2066 number_term:
2067         number_factor {
2068                 $$ = $1;
2069         }
2070         | number_factor '*' number_factor {
2071                 $$ = scm_product ($1, $3);
2072         }
2073         | number_factor '/' number_factor {
2074                 $$ = scm_divide ($1, $3);
2075         }
2076         ;
2077
2078 number_factor:
2079         '(' number_expression ')'       {
2080                 $$ = $2;
2081         }
2082         | '-'  number_factor { /* %prec UNARY_MINUS */
2083                 $$ = scm_difference ($2, SCM_UNDEFINED);
2084         }
2085         | bare_number
2086         ;
2087
2088
2089 bare_number:
2090         UNSIGNED        {
2091                 $$ = gh_int2scm ($1);
2092         }
2093         | REAL          {
2094                 $$ = $1;
2095         }
2096         | NUMBER_IDENTIFIER             {
2097                 $$ = $1;
2098         }
2099         | REAL CM_T     {
2100                 $$ = gh_double2scm (gh_scm2double ($1) CM );
2101         }
2102         | REAL PT_T     {
2103                 $$ = gh_double2scm (gh_scm2double ($1) PT);
2104         }
2105         | REAL IN_T     {
2106                 $$ = gh_double2scm (gh_scm2double ($1) INCH);
2107         }
2108         | REAL MM_T     {
2109                 $$ = gh_double2scm (gh_scm2double ($1) MM);
2110         }
2111         | REAL CHAR_T   {
2112                 $$ = gh_double2scm (gh_scm2double ($1) CHAR);
2113         }
2114         ;
2115
2116
2117 bare_unsigned:
2118         UNSIGNED {
2119                         $$ = $1;
2120         }
2121         | DIGIT {
2122                 $$ = $1;
2123         }
2124         ;
2125
2126 bare_int:
2127         bare_number {
2128                 if (scm_integer_p ($1) == SCM_BOOL_T)
2129                 {
2130                         int k = gh_scm2int ($1);
2131                         $$ = k;
2132                 } else
2133                 {
2134                         THIS->parser_error (_ ("need integer number arg"));
2135                         $$ = 0;
2136                 }
2137         }
2138         | '-' bare_int {
2139                 $$ = -$2;
2140         }
2141         ;
2142
2143
2144 string:
2145         STRING          {
2146                 $$ = $1;
2147         }
2148         | STRING_IDENTIFIER     {
2149                 $$ = $1;
2150         }
2151         | string '+' string {
2152                 $$ = scm_string_append (scm_list_n ($1, $3, SCM_UNDEFINED));
2153         }
2154         ;
2155
2156
2157 exclamations:
2158                 { $$ = 0; }
2159         | exclamations '!'      { $$ ++; }
2160         ;
2161
2162 questions:
2163                 { $$ = 0; }
2164         | questions '?' { $$ ++; }
2165         ;
2166
2167
2168 %%
2169
2170 void
2171 My_lily_parser::set_yydebug (bool )
2172 {
2173 #if 0
2174         yydebug = b;
2175 #endif
2176 }
2177
2178 extern My_lily_parser * current_parser;
2179
2180 void
2181 My_lily_parser::do_yyparse ()
2182 {
2183
2184         current_parser = this;;
2185         yyparse ((void*)this);
2186 }
2187
2188
2189 /*
2190 Should make this optional?    It will also complain when you do
2191
2192         [s4]
2193
2194 which is entirely legitimate.
2195
2196 Or we can scrap it. Barchecks should detect wrong durations, and
2197 skipTypesetting speeds it up a lot.
2198 */
2199 void
2200 My_lily_parser::beam_check (SCM dur)
2201 {
2202   Duration *d = unsmob_duration (dur);
2203   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2204     {
2205       Music * m = unsmob_music (last_beam_start_);
2206       m->origin ()->warning (_("Suspect duration found following this beam"));
2207     }
2208   last_beam_start_ = SCM_EOL;
2209 }