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.ch_C() ;
  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_l
 124 #define YYLEX_PARAM my_lily_parser_l
 125 #define THIS\
 126         ((My_lily_parser *) my_lily_parser_l)
 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_l)
 159 {
 160         My_lily_parser   *pars_l = (My_lily_parser*) v_l;
 161         My_lily_lexer * lex_l = pars_l->lexer_p_;
 162
 163         lex_l->lexval_l = (void*) s;
 164         return lex_l->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_i_  = 1;
 340         }
 341         | lilypond INVALID      {
 342                 THIS->error_level_i_  = 1;
 343         }
 344         ;
 345
 346 toplevel_expression:
 347         notenames_block                 {
 348                 THIS->lexer_p_->pitchname_tab_ =  $1;
 349         }
 350         | chordmodifiers_block                  {
 351                 THIS->lexer_p_->chordmodifier_tab_  = $1;
 352         }
 353         | lilypond_header {
 354                 if (global_header_p)
 355                         scm_gc_unprotect_object (global_header_p->self_scm ());
 356                 global_header_p = $1;
 357         }
 358         | score_block {
 359                 score_global_array.push ($1);
 360         }
 361         | output_def {
 362                 if (dynamic_cast<Paper_def*> ($1))
 363                         THIS->lexer_p_->set_identifier (gh_str02scm ("$defaultpaper"), $1->self_scm ());
 364                 else if (dynamic_cast<Midi_def*> ($1))
 365                         THIS->lexer_p_->set_identifier (gh_str02scm ("$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_p_-> scope_l_arr_.push ($$);
 407         }
 408         | lilypond_header_body assignment  {
 409
 410         }
 411         ;
 412
 413 lilypond_header:
 414         HEADER '{' lilypond_header_body '}'     {
 415                 $$ = $3;
 416                 THIS->lexer_p_->scope_l_arr_.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_p_->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                 $$ = $4;
 561                 if (!$$->def_p_arr_.size ())
 562                 {
 563                   Music_output_def *id =
 564                         unsmob_music_output_def (THIS->lexer_p_->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                 $$->header_p_ = $2;
 594         }
 595         | score_body output_def {
 596                 $$->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                 $$ = $1;
 610                 THIS-> lexer_p_-> scope_l_arr_.pop ();
 611         }
 612         ;
 613
 614 music_output_def_body:
 615         MIDI '{'    {
 616            Music_output_def *id = unsmob_music_output_def (THIS->lexer_p_->lookup_identifier ("$defaultmidi"));
 617
 618
 619          Midi_def* p =0;
 620         if (id)
 621                 p = dynamic_cast<Midi_def*> (id->clone ());
 622         else
 623                 p = new Midi_def;
 624
 625          $$ = p;
 626          THIS->lexer_p_->scope_l_arr_.push (p->variable_tab_);
 627         }
 628         | PAPER '{'     {
 629                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_p_->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_p_-> scope_l_arr_.push (p->variable_tab_);
 636                 $$ = p;
 637         }
 638         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 639                 Music_output_def *p = unsmob_music_output_def ($3);
 640                 p = p->clone ();
 641                 THIS->lexer_p_->scope_l_arr_.push (p->variable_tab_);
 642                 $$ = 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_p_->scope_l_arr_.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                 $$ = $3;
 720         }
 721         ;
 722
 723 Repeated_music:
 724         REPEAT string bare_unsigned Music Alternative_music
 725         {
 726                 Music *beg = $4;
 727                 int times = $3;
 728                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 729                 if (times < scm_ilength (alts)) {
 730                   unsmob_music (gh_car (alts))
 731                     ->origin ()->warning (
 732                     _("More alternatives than repeats.  Junking excess alternatives."));
 733                   alts = ly_truncate_list (times, alts);
 734                 }
 735
 736                 Repeated_music * r = new Repeated_music (SCM_EOL);
 737                 if (beg)
 738                         {
 739                         r-> set_mus_property ("element", beg->self_scm ());
 740                         scm_gc_unprotect_object (beg->self_scm ());
 741                         }
 742                 r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 743
 744                 r-> set_mus_property ("elements",alts);
 745                 SCM func = scm_primitive_eval (ly_symbol2scm ("repeat-name-to-ctor"));
 746                 SCM result = gh_call1 (func, $2);
 747
 748                 set_music_properties (r, result);
 749
 750                 r->set_spot (*$4->origin ());
 751                 $$ = r;
 752         }
 753         ;
 754
 755 Sequential_music:
 756         SEQUENTIAL '{' Music_list '}'           {
 757                 $$ = new Sequential_music (SCM_EOL);
 758                 $$->set_mus_property ("elements", ly_car ($3));
 759                 $$->set_spot(THIS->here_input());
 760         }
 761         | '{' Music_list '}'            {
 762                 $$ = new Sequential_music (SCM_EOL);
 763                 $$->set_mus_property ("elements", ly_car ($2));
 764                 $$->set_spot(THIS->here_input());
 765         }
 766         ;
 767
 768 Simultaneous_music:
 769         SIMULTANEOUS '{' Music_list '}'{
 770                 $$ = new Simultaneous_music (SCM_EOL);
 771                 $$->set_mus_property ("elements", ly_car ($3));
 772                 $$->set_spot(THIS->here_input());
 773
 774         }
 775         | '<' Music_list '>'    {
 776                 $$ = new Simultaneous_music (SCM_EOL);
 777                 $$->set_mus_property ("elements", ly_car ($2));
 778                 $$->set_spot(THIS->here_input());
 779         }
 780         ;
 781
 782 Simple_music:
 783         request_chord           { $$ = $1; }
 784         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 785                 SCM pred = $2;
 786                 if (!gh_symbol_p ($3))
 787                 {
 788                         THIS->parser_error (_ ("Second argument must be a symbol"));
 789                 }
 790                 /*hould check # args */
 791                 if (!gh_procedure_p (pred))
 792                 {
 793                         THIS->parser_error (_ ("First argument must be a procedure taking 1 argument"));
 794                 }
 795
 796                 Music *m = new Music (SCM_EOL);
 797                 m->set_mus_property ("predicate", pred);
 798                 m->set_mus_property ("grob-property", $3);
 799                 m->set_mus_property ("grob-value",  $5);
 800                 m->set_mus_property ("iterator-ctor",
 801                 Output_property_music_iterator::constructor_cxx_function);
 802
 803                 $$ = m;
 804         }
 805         | MUSIC_IDENTIFIER {
 806                 $$ = unsmob_music ($1)->clone ();
 807
 808                 $$->set_spot (THIS->here_input());
 809         }
 810         | property_def
 811         | translator_change
 812         ;
 813
 814
 815 Composite_music:
 816         CONTEXT STRING Music    {
 817                 Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
 818                 csm->set_mus_property ("element", $3->self_scm ());
 819                 scm_gc_unprotect_object ($3->self_scm ());
 820
 821                 csm->set_mus_property ("context-type",$2);
 822                 csm->set_mus_property ("context-id", ly_str02scm (""));
 823
 824                 $$ = csm;
 825         }
 826         | AUTOCHANGE STRING Music       {
 827                 Music * chm = new Music_wrapper (SCM_EOL);
 828                 chm->set_mus_property ("element", $3->self_scm ());
 829                 chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_cxx_function);
 830
 831                 scm_gc_unprotect_object ($3->self_scm ());
 832                 chm->set_mus_property ("what", $2);
 833
 834                 $$ = chm;
 835                 chm->set_spot (*$3->origin ());
 836         }
 837         | GRACE Music {
 838 #if 1
 839         /*
 840                 The other version is for easier debugging  of
 841                 Sequential_music_iterator in combination with grace notes.
 842         */
 843
 844                 SCM start = THIS->lexer_p_->lookup_identifier ("startGraceMusic");
 845                 SCM stop = THIS->lexer_p_->lookup_identifier ("stopGraceMusic");
 846                 Music *startm = unsmob_music (start);
 847                 Music *stopm = unsmob_music (stop);
 848
 849                 SCM ms = SCM_EOL;
 850                 if (stopm) {
 851                         stopm = stopm->clone ();
 852                         ms = gh_cons (stopm->self_scm (), ms);
 853                         scm_gc_unprotect_object (stopm->self_scm ());
 854                 }
 855                 ms = gh_cons ($2->self_scm (), ms);
 856                 scm_gc_unprotect_object ($2->self_scm());
 857                 if (startm) {
 858                         startm = startm->clone ();
 859                         ms = gh_cons (startm->self_scm () , ms);
 860                         scm_gc_unprotect_object (startm->self_scm ());
 861                 }
 862
 863                 Music* seq = new Sequential_music (SCM_EOL);
 864                 seq->set_mus_property ("elements", ms);
 865
 866                 $$ = new Grace_music (SCM_EOL);
 867                 $$->set_mus_property ("element", seq->self_scm ());
 868                 scm_gc_unprotect_object (seq->self_scm ());
 869 #else
 870                 $$ = new Grace_music (SCM_EOL);
 871                 $$->set_mus_property ("element", $2->self_scm ());
 872                 scm_gc_unprotect_object ($2->self_scm ());
 873 #endif
 874         }
 875         | CONTEXT string '=' string Music {
 876                 Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
 877                 csm->set_mus_property ("element", $5->self_scm ());
 878                 scm_gc_unprotect_object ($5->self_scm ());
 879
 880                 csm->set_mus_property ("context-type", $2);
 881                 csm->set_mus_property ("context-id", $4);
 882
 883                 $$ = csm;
 884         }
 885         | TIMES {
 886                 THIS->push_spot ();
 887         }
 888         /* CONTINUED */
 889                 fraction Music
 890
 891         {
 892                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 893                 Music *mp = $4;
 894                 $$ = new Time_scaled_music (SCM_EOL);
 895                 $$->set_spot (THIS->pop_spot ());
 896
 897
 898                 $$->set_mus_property ("element", mp->self_scm ());
 899                 scm_gc_unprotect_object (mp->self_scm ());
 900                 $$->set_mus_property ("numerator", gh_int2scm (n));
 901                 $$->set_mus_property ("denominator", gh_int2scm (d));
 902                 $$->compress (Moment (Rational (n,d)));
 903
 904         }
 905         | Repeated_music                { $$ = $1; }
 906         | Simultaneous_music            { $$ = $1; }
 907         | Sequential_music              { $$ = $1; }
 908         | TRANSPOSE pitch Music {
 909                 $$ = new Transposed_music (SCM_EOL);
 910                 Music *p = $3;
 911                 Pitch pit = *unsmob_pitch ($2);
 912
 913                 p->transpose (pit);
 914                 $$->set_mus_property ("element", p->self_scm ());
 915                 scm_gc_unprotect_object (p->self_scm ());
 916         }
 917         | TRANSPOSE steno_tonic_pitch Music {
 918                 $$ = new Transposed_music (SCM_EOL);
 919                 Music *p = $3;
 920                 Pitch pit = *unsmob_pitch ($2);
 921
 922                 p->transpose (pit);
 923                 $$->set_mus_property ("element", p->self_scm ());
 924                 scm_gc_unprotect_object (p->self_scm ());
 925
 926         }
 927         | APPLY embedded_scm Music  {
 928                 SCM ret = gh_call1 ($2, $3->self_scm ());
 929                 Music *m = unsmob_music (ret);
 930                 if (!m) {
 931                         THIS->parser_error ("\\apply must return a Music");
 932                         m = new Music (SCM_EOL);
 933                         }
 934                 $$ = m;
 935         }
 936         | NOTES
 937                 { THIS->lexer_p_->push_note_state (); }
 938         Music
 939                 { $$ = $3;
 940                   THIS->lexer_p_->pop_state ();
 941                 }
 942         | FIGURES
 943                 { THIS->lexer_p_->push_figuredbass_state (); }
 944         Music
 945                 {
 946                   Music * chm = new Untransposable_music () ;
 947                   chm->set_mus_property ("element", $3->self_scm ());
 948                   $$ = chm;
 949                   scm_gc_unprotect_object ($3->self_scm());
 950
 951                   THIS->lexer_p_->pop_state ();
 952         }
 953         | CHORDS
 954                 { THIS->lexer_p_->push_chord_state (); }
 955         Music
 956                 {
 957                   Music * chm = new Un_relativable_music ;
 958                   chm->set_mus_property ("element", $3->self_scm ());
 959                   scm_gc_unprotect_object ($3->self_scm());
 960                   $$ = chm;
 961
 962                   THIS->lexer_p_->pop_state ();
 963         }
 964         | LYRICS
 965                 { THIS->lexer_p_->push_lyric_state (); }
 966         Music
 967                 {
 968                   $$ = $3;
 969                   THIS->lexer_p_->pop_state ();
 970         }
 971         | relative_music        { $$ = $1; }
 972         | re_rhythmed_music     { $$ = $1; }
 973         | part_combined_music   { $$ = $1; }
 974         ;
 975
 976 relative_music:
 977         RELATIVE absolute_pitch Music {
 978                 Music * p = $3;
 979                 Pitch pit = *unsmob_pitch ($2);
 980                 $$ = new Relative_octave_music (SCM_EOL);
 981
 982                 $$->set_mus_property ("element", p->self_scm ());
 983                 scm_gc_unprotect_object (p->self_scm ());
 984
 985                 $$->set_mus_property ("last-pitch", p->to_relative_octave (pit).smobbed_copy ());
 986
 987         }
 988         ;
 989
 990 re_rhythmed_music:
 991         ADDLYRICS Music Music {
 992           Lyric_combine_music * l = new Lyric_combine_music (SCM_EOL);
 993           l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
 994           scm_gc_unprotect_object ($3->self_scm ());
 995           scm_gc_unprotect_object ($2->self_scm ());
 996           $$ = l;
 997         }
 998         ;
 999
1000 part_combined_music:
1001         PARTCOMBINE STRING Music Music {
1002                 Part_combine_music * p = new Part_combine_music (SCM_EOL);
1003
1004                 p->set_mus_property ("what", $2);
1005                 p->set_mus_property ("elements", gh_list ($3->self_scm (),$4->self_scm (), SCM_UNDEFINED));
1006
1007                 scm_gc_unprotect_object ($3->self_scm ());
1008                 scm_gc_unprotect_object ($4->self_scm ());
1009
1010                 $$ = p;
1011         }
1012         ;
1013
1014 translator_change:
1015         TRANSLATOR STRING '=' STRING  {
1016                 Music * t = new Music (SCM_EOL);
1017                 t->set_mus_property ("iterator-ctor",
1018                         Change_iterator::constructor_cxx_function);
1019                 t-> set_mus_property ("change-to-type", $2);
1020                 t-> set_mus_property ("change-to-id", $4);
1021
1022                 $$ = t;
1023                 $$->set_spot (THIS->here_input ());
1024         }
1025         ;
1026
1027 property_def:
1028         PROPERTY STRING '.' STRING '='  scalar {
1029
1030                 Music *t = set_property_music (scm_string_to_symbol ($4), $6);
1031                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1032
1033                 csm->set_mus_property ("element", t->self_scm ());
1034                 scm_gc_unprotect_object (t->self_scm ());
1035
1036                 $$ = csm;
1037                 $$->set_spot (THIS->here_input ());
1038
1039                 csm-> set_mus_property ("context-type", $2);
1040         }
1041         | PROPERTY STRING '.' STRING UNSET {
1042                 Music *t = new Music (SCM_EOL);
1043
1044                 t->set_mus_property ("iterator-ctor",
1045                         Property_unset_iterator::constructor_cxx_function);
1046                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1047
1048                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1049                 csm->set_mus_property ("element", t->self_scm ());
1050                 scm_gc_unprotect_object (t->self_scm ());
1051
1052                 $$ = csm;
1053                 $$->set_spot (THIS->here_input ());
1054
1055                 csm-> set_mus_property ("context-type", $2);
1056         }
1057         | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
1058                 Music *t = new Music (SCM_EOL);
1059                 t->set_mus_property ("iterator-ctor",
1060                         Push_property_iterator::constructor_cxx_function);
1061                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1062                 t->set_mus_property ("pop-first", SCM_BOOL_T);
1063                 t->set_mus_property ("grob-property", $6);
1064                 t->set_mus_property ("grob-value", $8);
1065                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1066                 csm->set_mus_property ("element", t->self_scm ());
1067                 scm_gc_unprotect_object (t->self_scm ());
1068                 $$ = csm;
1069                 $$->set_spot (THIS->here_input ());
1070
1071                 csm-> set_mus_property ("context-type", $2);
1072         }
1073         | PROPERTY STRING '.' STRING OVERRIDE embedded_scm '=' embedded_scm {
1074                 Music *t = new Music (SCM_EOL);
1075                 t->set_mus_property ("iterator-ctor",
1076                         Push_property_iterator::constructor_cxx_function);
1077                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1078                 t->set_mus_property ("grob-property", $6);
1079                 t->set_mus_property ("grob-value", $8);
1080                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1081                 csm->set_mus_property ("element", t->self_scm ());
1082                 scm_gc_unprotect_object (t->self_scm ());
1083
1084                 $$ = csm;
1085                 $$->set_spot (THIS->here_input ());
1086
1087                 csm-> set_mus_property ("context-type", $2);
1088         }
1089         | PROPERTY STRING '.' STRING REVERT embedded_scm {
1090                 Music *t = new Music (SCM_EOL);
1091                 t->set_mus_property ("iterator-ctor",
1092                         Pop_property_iterator::constructor_cxx_function);
1093                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1094                 t->set_mus_property ("grob-property", $6);
1095
1096                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1097                 csm->set_mus_property ("element", t->self_scm ());
1098                 scm_gc_unprotect_object (t->self_scm ());
1099
1100                 $$ = csm;
1101                 $$->set_spot (THIS->here_input ());
1102
1103                 csm-> set_mus_property ("context-type", $2);
1104         }
1105         ;
1106
1107 scalar:
1108         string          { $$ = $1; }
1109         | bare_int      { $$ = gh_int2scm ($1); }
1110         | embedded_scm  { $$ = $1; }
1111         ;
1112
1113
1114 request_chord:
1115         pre_requests {
1116                 THIS->push_spot ();
1117         } /*cont */ simple_element post_requests        {
1118                 Music_sequence *l = dynamic_cast<Music_sequence*> ($3);
1119
1120                 $1->concat (*$4);
1121                 for (int i=0; i < $1->size (); i++) {
1122                   Music * m = $1->elem (i);
1123                   l->append_music (m);
1124                 }
1125                 $$ = $3;
1126
1127                 delete $1;
1128                 delete $4;
1129         }
1130         | command_element
1131         ;
1132
1133 command_element:
1134         command_req {
1135                 $$ = new Request_chord (SCM_EOL);
1136                 $$->set_mus_property ("elements", gh_cons ($1->self_scm (), SCM_EOL));
1137           scm_gc_unprotect_object ($1->self_scm());
1138
1139                 $$-> set_spot (THIS->here_input ());
1140                 $1-> set_spot (THIS->here_input ());
1141         }
1142         | E_LEFTSQUARE {
1143                 Span_req *l = new Span_req;
1144                 l->set_span_dir (START);
1145                 l->set_mus_property ("span-type", ly_str02scm ("ligature"));
1146                 l->set_spot (THIS->here_input ());
1147
1148                 $$ = new Request_chord (SCM_EOL);
1149                 $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
1150           scm_gc_unprotect_object (l->self_scm());
1151                 $$->set_spot (THIS->here_input ());
1152         }
1153         | E_RIGHTSQUARE {
1154                 Span_req *l = new Span_req;
1155                 l->set_span_dir (STOP);
1156                 l->set_mus_property ("span-type", ly_str02scm ("ligature"));
1157                 l->set_spot (THIS->here_input ());
1158
1159                 $$ = new Request_chord (SCM_EOL);
1160                 $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
1161                 $$->set_spot (THIS->here_input ());
1162           scm_gc_unprotect_object (l->self_scm());
1163
1164         }
1165         | E_BACKSLASH {
1166                 $$ = new Music (gh_list (gh_cons (ly_symbol2scm ("name"), ly_symbol2scm ("separator")), SCM_UNDEFINED));
1167                 $$->set_spot (THIS->here_input ());
1168         }
1169         | '|'      {
1170
1171                 extern Music * get_barcheck();
1172                 $$ = get_barcheck ();
1173                 $$->set_spot (THIS->here_input ());
1174         }
1175         | BAR STRING                    {
1176                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1177
1178                 Context_specced_music *csm = new Context_specced_music (SCM_EOL);
1179                 csm->set_mus_property ("element", t->self_scm ());
1180                 scm_gc_unprotect_object (t->self_scm ());
1181
1182                 $$ = csm;
1183                 $$->set_spot (THIS->here_input ());
1184
1185                 csm->set_mus_property ("context-type", ly_str02scm ("Score"));
1186         }
1187         | PARTIAL duration_length       {
1188                 Moment m = - unsmob_duration ($2)->length_mom ();
1189                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1190
1191                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1192                 sp->set_mus_property ("element", p->self_scm ());
1193                 scm_gc_unprotect_object (p->self_scm ());
1194
1195                 $$ =sp ;
1196                 sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
1197         }
1198         | CLEF STRING  {
1199                 SCM func = scm_primitive_eval (ly_symbol2scm ("clef-name-to-properties"));
1200                 SCM result = gh_call1 (func, $2);
1201
1202                 SCM l = SCM_EOL;
1203                 for (SCM s = result ; gh_pair_p (s); s = ly_cdr (s)) {
1204                         Music * p = new Music (SCM_EOL);
1205                         set_music_properties (p, ly_car (s));
1206                         l = gh_cons (p->self_scm (), l);
1207                         scm_gc_unprotect_object (p->self_scm ());
1208                 }
1209                 Sequential_music * seq = new Sequential_music (SCM_EOL);
1210                 seq->set_mus_property ("elements", l);
1211
1212                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1213                 sp->set_mus_property ("element", seq->self_scm ());
1214                 scm_gc_unprotect_object (seq->self_scm ());
1215
1216                 $$ =sp ;
1217                 sp-> set_mus_property ("context-type", ly_str02scm ("Staff"));
1218         }
1219         | TIME_T fraction  {
1220                 Music * p1 = set_property_music (ly_symbol2scm ( "timeSignatureFraction"), $2);
1221
1222                 int l = gh_scm2int (ly_car ($2));
1223                 int o = gh_scm2int (ly_cdr ($2));
1224
1225                 Moment one_beat = Moment (1)/Moment (o);
1226                 Moment len = Moment (l) * one_beat;
1227
1228
1229                 Music *p2 = set_property_music (ly_symbol2scm ("measureLength"), len.smobbed_copy ());
1230                 Music *p3 = set_property_music (ly_symbol2scm ("beatLength"), one_beat.smobbed_copy ());
1231
1232                 SCM list = scm_list_n (p1->self_scm (), p2->self_scm (), p3->self_scm(), SCM_UNDEFINED);
1233                 Sequential_music *seq = new Sequential_music (SCM_EOL);
1234                 seq->set_mus_property ("elements", list);
1235
1236
1237                 Context_specced_music * sp = new Context_specced_music (SCM_EOL);
1238                 sp->set_mus_property ("element", seq->self_scm ());
1239
1240
1241
1242                 scm_gc_unprotect_object (p3->self_scm ());
1243                 scm_gc_unprotect_object (p2->self_scm ());
1244                 scm_gc_unprotect_object (p1->self_scm ());
1245                 scm_gc_unprotect_object (seq->self_scm ());
1246
1247                 $$ = sp;
1248
1249 /*
1250  TODO: should make alias TimingContext for Score
1251 */
1252
1253                 sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
1254         }
1255         ;
1256
1257 command_req:
1258         shorthand_command_req   { $$ = $1; }
1259         | verbose_command_req   { $$ = $1; }
1260         ;
1261
1262 shorthand_command_req:
1263         extender_req {
1264                 $$ = $1;
1265         }
1266         | hyphen_req {
1267                 $$ = $1;
1268         }
1269         | '~'   {
1270                 $$ = new Tie_req;
1271         }
1272         | '['           {
1273                 Span_req*b= new Span_req;
1274                 b->set_span_dir (START);
1275                 b->set_mus_property ("span-type", ly_str02scm ("beam"));
1276                 $$ =b;
1277
1278
1279                 THIS->last_beam_start_ = b->self_scm ();
1280         }
1281         | ']'           {
1282                 Span_req*b= new Span_req;
1283                 b->set_span_dir ( STOP);
1284                 b->set_mus_property ("span-type", ly_str02scm ("beam"));
1285                 $$ = b;
1286         }
1287         | BREATHE {
1288                 $$ = new Breathing_sign_req;
1289         }
1290         | E_TILDE {
1291                 $$ = new Porrectus_req;
1292         }
1293         ;
1294
1295 verbose_command_req:
1296         COMMANDSPANREQUEST bare_int STRING { /*TODO: junkme */
1297                 Span_req * sp_p = new Span_req;
1298                 sp_p-> set_span_dir ( Direction ($2));
1299                 sp_p->set_mus_property ("span-type",$3);
1300                 sp_p->set_spot (THIS->here_input ());
1301                 $$ = sp_p;
1302         }
1303         | MARK DEFAULT  {
1304                 Mark_req * m = new Mark_req;
1305                 $$ = m;
1306         }
1307         | MARK scalar {
1308                 Mark_req *m = new Mark_req;
1309                 m->set_mus_property ("label", $2);
1310                 $$ = m;
1311
1312         }
1313         | PENALTY SCM_T         {
1314                 Break_req * b = new Break_req;
1315                 SCM s = $2;
1316                 if (!gh_number_p (s))
1317                         s  =gh_int2scm (0);
1318
1319                 b->set_mus_property ("penalty", s);
1320                 b->set_spot (THIS->here_input ());
1321                 $$ = b;
1322         }
1323         | SKIP duration_length {
1324                 Skip_req * skip_p = new Skip_req;
1325                 skip_p->set_mus_property ("duration", $2);
1326
1327                 $$ = skip_p;
1328         }
1329         | tempo_request {
1330                 $$ = $1;
1331         }
1332         | KEY DEFAULT {
1333                 Key_change_req *key_p= new Key_change_req;
1334                 $$ = key_p;
1335         }
1336         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1337                 Key_change_req *key_p= new Key_change_req;
1338
1339                 key_p->set_mus_property ("pitch-alist", $3);
1340                 ((Music*)key_p)->transpose (* unsmob_pitch ($2));
1341                 $$ = key_p;
1342         }
1343         ;
1344
1345 post_requests:
1346         {
1347                 $$ = new Link_array<Request>;
1348         }
1349         | post_requests post_request {
1350                 $2->set_spot (THIS->here_input ());
1351                 $$->push ($2);
1352         }
1353         ;
1354
1355 post_request:
1356         verbose_request
1357         | request_with_dir
1358         | close_request
1359         ;
1360
1361
1362 request_that_take_dir:
1363         gen_text_def
1364         | verbose_request
1365         | script_abbreviation {
1366                 SCM s = THIS->lexer_p_->lookup_identifier ("dash" + ly_scm2string ($1));
1367                 Articulation_req *a = new Articulation_req;
1368                 if (gh_string_p (s))
1369                         a->set_mus_property ("articulation-type", s);
1370                 else THIS->parser_error (_ ("Expecting string as script definition"));
1371                 $$ = a;
1372         }
1373         ;
1374
1375 request_with_dir:
1376         script_dir request_that_take_dir        {
1377                 if (Script_req * gs = dynamic_cast<Script_req*> ($2))
1378                         gs->set_direction (Direction ($1));
1379                 else if ($1)
1380                         $2->origin ()->warning (_ ("Can't specify direction for this request"));
1381                 $$ = $2;
1382         }
1383         ;
1384
1385 verbose_request:
1386         REQUEST_IDENTIFIER      {
1387                 $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
1388                 $$->set_spot (THIS->here_input ());
1389         }
1390         | DYNAMICSCRIPT embedded_scm {
1391                 /*
1392                         TODO: junkme, use text-type == dynamic
1393                 */
1394                 Text_script_req *d = new Text_script_req;
1395                 SCM dyn = ly_symbol2scm ("dynamic");
1396                 d->set_mus_property ("text-type" , dyn);
1397                 d->set_mus_property ("text", $2);
1398                 d->set_spot (THIS->here_input ());
1399                 $$ = d;
1400         }
1401         | SPANREQUEST bare_int STRING {
1402                 Span_req * sp_p = new Span_req;
1403                 sp_p->set_span_dir ( Direction ($2));
1404                 sp_p->set_mus_property ("span-type", $3);
1405                 sp_p->set_spot (THIS->here_input ());
1406                 $$ = sp_p;
1407         }
1408         | tremolo_type  {
1409                Tremolo_req* a = new Tremolo_req;
1410                a->set_spot (THIS->here_input ());
1411                a->set_mus_property ("tremolo-type", gh_int2scm ($1));
1412                $$ = a;
1413         }
1414         | SCRIPT STRING         {
1415                 Articulation_req * a = new Articulation_req;
1416                 a->set_mus_property ("articulation-type", $2);
1417                 a->set_spot (THIS->here_input ());
1418                 $$ = a;
1419         }
1420         /*
1421 duh, junk this syntax from the parser, if possible.
1422         */
1423         | ARPEGGIO {
1424                 Arpeggio_req *a = new Arpeggio_req;
1425                 a->set_spot (THIS->here_input ());
1426                 $$ = a;
1427         }
1428         | GLISSANDO {
1429                 Glissando_req *g = new Glissando_req;
1430                 g->set_spot /* No pun intended */ (THIS->here_input ());
1431                 $$ = g;
1432         }
1433         ;
1434
1435 sup_quotes:
1436         '\'' {
1437                 $$ = 1;
1438         }
1439         | sup_quotes '\'' {
1440                 $$ ++;
1441         }
1442         ;
1443
1444 sub_quotes:
1445         ',' {
1446                 $$ = 1;
1447         }
1448         | sub_quotes ',' {
1449                 $$ ++ ;
1450         }
1451         ;
1452
1453 steno_pitch:
1454         NOTENAME_PITCH  {
1455                 $$ = $1;
1456         }
1457         | NOTENAME_PITCH sup_quotes     {
1458                 Pitch p = *unsmob_pitch ($1);
1459                 p.octave_i_ +=  $2;
1460                 $$ = p.smobbed_copy ();
1461         }
1462         | NOTENAME_PITCH sub_quotes      {
1463                 Pitch p =* unsmob_pitch ($1);
1464
1465                 p.octave_i_ +=  -$2;
1466                 $$ = p.smobbed_copy ();
1467
1468         }
1469         ;
1470
1471 /*
1472 ugh. duplication
1473 */
1474
1475 steno_tonic_pitch:
1476         TONICNAME_PITCH {
1477                 $$ = $1;
1478         }
1479         | TONICNAME_PITCH sup_quotes    {
1480                 Pitch p = *unsmob_pitch ($1);
1481                 p.octave_i_ +=  $2;
1482                 $$ = p.smobbed_copy ();
1483         }
1484         | TONICNAME_PITCH sub_quotes     {
1485                 Pitch p =* unsmob_pitch ($1);
1486
1487                 p.octave_i_ +=  -$2;
1488                 $$ = p.smobbed_copy ();
1489
1490         }
1491         ;
1492
1493 pitch:
1494         steno_pitch {
1495                 $$ = $1;
1496         }
1497         | explicit_pitch {
1498                 $$ = $1;
1499         }
1500         ;
1501
1502 explicit_pitch:
1503         PITCH embedded_scm {
1504                 $$ = $2;
1505                 if (!unsmob_pitch ($2)) {
1506                         THIS->parser_error (_f ("Expecting musical-pitch value", 3));
1507                          $$ = Pitch ().smobbed_copy ();
1508                 }
1509         }
1510         ;
1511
1512 verbose_duration:
1513         DURATION embedded_scm   {
1514                 $$ = $2;
1515                 if (!unsmob_duration ($2))
1516                 {
1517                         THIS->parser_error (_ ("Must have duration object"));
1518                         $$ = Duration ().smobbed_copy ();
1519                 }
1520         }
1521         ;
1522
1523 extender_req:
1524         EXTENDER {
1525                 if (!THIS->lexer_p_->lyric_state_b ())
1526                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1527                 $$ = new Extender_req;
1528         }
1529         ;
1530
1531 hyphen_req:
1532         HYPHEN {
1533                 if (!THIS->lexer_p_->lyric_state_b ())
1534                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1535                 $$ = new Hyphen_req;
1536         }
1537         ;
1538
1539 close_request:
1540         close_request_parens {
1541                 $$ = $1;
1542                 dynamic_cast<Span_req*> ($$)->set_span_dir ( START);
1543         }
1544         ;
1545
1546 close_request_parens:
1547         '('     {
1548                 Span_req* s= new Span_req;
1549                 $$ = s;
1550                 s->set_mus_property ("span-type", ly_str02scm ( "slur"));
1551                 s->set_spot (THIS->here_input());
1552         }
1553         | E_OPEN        {
1554                 Span_req* s= new Span_req;
1555                 $$ = s;
1556                 s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
1557                 s->set_spot (THIS->here_input());
1558         }
1559         | E_SMALLER {
1560                 Span_req*s =new Span_req;
1561                 $$ = s;
1562                 s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
1563                 s->set_spot (THIS->here_input());
1564         }
1565         | E_BIGGER {
1566                 Span_req*s =new Span_req;
1567                 $$ = s;
1568                 s->set_mus_property ("span-type", ly_str02scm ("decrescendo"));
1569                 s->set_spot (THIS->here_input());
1570         }
1571         ;
1572
1573
1574 open_request:
1575         open_request_parens {
1576                 $$ = $1;
1577                 dynamic_cast<Span_req*> ($$)->set_span_dir (STOP);
1578         }
1579         ;
1580
1581 open_request_parens:
1582         E_EXCLAMATION   {
1583                 Span_req *s =  new Span_req;
1584                 s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
1585                 s->set_spot (THIS->here_input());
1586
1587                 $$ = s;
1588         }
1589         | ')'   {
1590                 Span_req* s= new Span_req;
1591                 $$ = s;
1592                 s->set_mus_property ("span-type", ly_str02scm ( "slur"));
1593                 s->set_spot (THIS->here_input());
1594
1595         }
1596         | E_CLOSE       {
1597                 Span_req* s= new Span_req;
1598                 $$ = s;
1599                 s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
1600                 s->set_spot (THIS->here_input());
1601         }
1602         ;
1603
1604 gen_text_def:
1605         embedded_scm {
1606                 Text_script_req *t = new Text_script_req;
1607                 t->set_mus_property ("text", $1);
1608                 t->set_spot (THIS->here_input ());
1609                 $$ = t;
1610         }
1611         | string {
1612                 Text_script_req *t = new Text_script_req;
1613                 t->set_mus_property ("text", $1);
1614                 t->set_spot (THIS->here_input ());
1615                 $$ = t;
1616         }
1617         | DIGIT {
1618                 String ds = to_str ($1);
1619                 Text_script_req* t = new Text_script_req;
1620                 SCM finger = ly_symbol2scm ("finger");
1621                 t->set_mus_property ("text",  ly_str02scm (ds.ch_C ()));
1622                 t->set_mus_property ("text-type" , finger);
1623                 t->set_spot (THIS->here_input ());
1624                 $$ = t;
1625         }
1626         ;
1627
1628 script_abbreviation:
1629         '^'             {
1630                 $$ = gh_str02scm ("Hat");
1631         }
1632         | '+'           {
1633                 $$ = gh_str02scm ("Plus");
1634         }
1635         | '-'           {
1636                 $$ = gh_str02scm ("Dash");
1637         }
1638         | '|'           {
1639                 $$ = gh_str02scm ("Bar");
1640         }
1641         | '>'           {
1642                 $$ = gh_str02scm ("Larger");
1643         }
1644         | '.'           {
1645                 $$ = gh_str02scm ("Dot");
1646         }
1647         ;
1648
1649 script_dir:
1650         '_'     { $$ = DOWN; }
1651         | '^'   { $$ = UP; }
1652         | '-'   { $$ = CENTER; }
1653         ;
1654
1655 pre_requests:
1656         {
1657                 $$ = new Link_array<Request>;
1658         }
1659         | pre_requests open_request {
1660                 $$->push ($2);
1661         }
1662         ;
1663
1664 absolute_pitch:
1665         steno_pitch     {
1666                 $$ = $1;
1667         }
1668         ;
1669
1670 duration_length:
1671         multiplied_duration {
1672                 $$ = $1;
1673         }
1674         | verbose_duration {
1675                 $$ = $1;
1676         }
1677         ;
1678
1679 optional_notemode_duration:
1680         {
1681                 Duration dd = THIS->default_duration_;
1682                 $$ = dd.smobbed_copy ();
1683
1684                 THIS->beam_check ($$);
1685         }
1686         | multiplied_duration   {
1687                 $$ = $1;
1688                 THIS->default_duration_ = *unsmob_duration ($$);
1689
1690                 THIS->beam_check ($$);
1691         }
1692         | verbose_duration {
1693                 $$ = $1;
1694                 THIS->default_duration_ = *unsmob_duration ($$);
1695         }
1696         ;
1697
1698 steno_duration:
1699         bare_unsigned dots              {
1700                 int l = 0;
1701                 if (!is_duration_b ($1))
1702                         THIS->parser_error (_f ("not a duration: %d", $1));
1703                 else
1704                         l =  intlog2 ($1);
1705
1706                 $$ = Duration (l, $2).smobbed_copy ();
1707         }
1708         | DURATION_IDENTIFIER dots      {
1709                 Duration *d =unsmob_duration ($1);
1710                 Duration k (d->duration_log (),d->dot_count () + $2);
1711                 $$ = k.smobbed_copy ();
1712         }
1713         ;
1714
1715
1716
1717
1718 multiplied_duration:
1719         steno_duration {
1720                 $$ = $1;
1721         }
1722         | multiplied_duration '*' bare_unsigned {
1723                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1724         }
1725         | multiplied_duration '*' FRACTION {
1726                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1727
1728                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1729         }
1730         ;
1731
1732 fraction:
1733         FRACTION { $$ = $1; }
1734         | UNSIGNED '/' UNSIGNED {
1735                 $$ = gh_cons (gh_int2scm ($1), gh_int2scm ($3));
1736         }
1737         ;
1738
1739 dots:
1740         /* empty */     {
1741                 $$ = 0;
1742         }
1743         | dots '.' {
1744                 $$ ++;
1745         }
1746         ;
1747
1748
1749 tremolo_type:
1750         ':'     {
1751                 $$ =0;
1752         }
1753         | ':' bare_unsigned {
1754                 if (!is_duration_b ($2))
1755                         THIS->parser_error (_f ("not a duration: %d", $2));
1756                 $$ = $2;
1757         }
1758         ;
1759
1760
1761 bass_number:
1762         DIGIT
1763         | UNSIGNED
1764         ;
1765
1766 bass_mod:
1767         '-'     { $$ = -1; }
1768         | '+'   { $$ = 1; }
1769         | '!'   { $$ = 0; }
1770         ;
1771
1772 bass_figure:
1773         FIGURE_SPACE {
1774                 Bass_figure_req *bfr = new Bass_figure_req;
1775                 $$ = bfr->self_scm();
1776                 scm_gc_unprotect_object ($$);
1777         }
1778         | bass_number  {
1779                 Bass_figure_req *bfr = new Bass_figure_req;
1780                 $$ = bfr->self_scm();
1781
1782                 bfr->set_mus_property ("figure", gh_int2scm ($1));
1783
1784                 scm_gc_unprotect_object ($$);
1785         }
1786         | bass_figure bass_mod {
1787                 Music *m = unsmob_music ($1);
1788                 if ($2) {
1789                         SCM salter =m->get_mus_property ("alteration");
1790                         int alter = gh_number_p( salter) ? gh_scm2int (salter) : 0;
1791                         m->set_mus_property ("alteration",
1792                                 gh_int2scm (alter + $2));
1793                 } else {
1794                         m->set_mus_property ("alteration", gh_int2scm (0));
1795                 }
1796         }
1797         ;
1798
1799 br_bass_figure:
1800         '[' bass_figure {
1801                 $$ = $2;
1802                 unsmob_music ($$)->set_mus_property ("bracket-start", SCM_BOOL_T);
1803         }
1804         | bass_figure   {
1805                 $$ = $1;
1806         }
1807         | br_bass_figure ']' {
1808                 $$ = $1;
1809                 unsmob_music ($1)->set_mus_property ("bracket-stop", SCM_BOOL_T);
1810         }
1811         ;
1812
1813 figure_list:
1814         /**/            {
1815                 $$ = SCM_EOL;
1816         }
1817         | figure_list br_bass_figure {
1818                 $$ = gh_cons ($2, $1);
1819         }
1820         ;
1821
1822 figure_spec:
1823         FIGURE_OPEN figure_list FIGURE_CLOSE {
1824                 Music * m = new Request_chord (SCM_EOL);
1825                 $2 = scm_reverse_x ($2, SCM_EOL);
1826                 m->set_mus_property ("elements",  $2);
1827                 $$ = m->self_scm ();
1828         }
1829         ;
1830
1831
1832 optional_rest:
1833         /**/   { $$ = 0; }
1834         | REST { $$ = 1; }
1835         ;
1836
1837 simple_element:
1838         pitch exclamations questions optional_notemode_duration optional_rest {
1839
1840                 Input i = THIS->pop_spot ();
1841                 if (!THIS->lexer_p_->note_state_b ())
1842                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1843
1844                 Music *n = 0;
1845                 if ($5)
1846                         n =  new Rest_req ;
1847                 else
1848                         n =  new Note_req;
1849
1850                 n->set_mus_property ("pitch", $1);
1851                 n->set_mus_property ("duration", $4);
1852
1853
1854                 if ($3 % 2)
1855                         n->set_mus_property ("cautionary", SCM_BOOL_T);
1856                 if ($2 % 2 || $3 % 2)
1857                         n->set_mus_property ("force-accidental", SCM_BOOL_T);
1858
1859                 Simultaneous_music*v = new Request_chord (SCM_EOL);
1860                 v->set_mus_property ("elements", scm_list_n (n->self_scm (), SCM_UNDEFINED));
1861                 scm_gc_unprotect_object (n->self_scm());
1862
1863                 v->set_spot (i);
1864                 n->set_spot (i);
1865                 $$ = v;
1866         }
1867         | figure_spec optional_notemode_duration {
1868                 Music * m = unsmob_music ($1);
1869                 Input i = THIS->pop_spot ();
1870                 m->set_spot (i);
1871                 for (SCM s = m->get_mus_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
1872                         {
1873                                 unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
1874                         }
1875                 $$ = m;
1876         }
1877         | RESTNAME optional_notemode_duration           {
1878
1879                 Input i = THIS->pop_spot ();
1880                 SCM e = SCM_UNDEFINED;
1881                 if (ly_scm2string ($1) =="s") {
1882                         /* Space */
1883                         Skip_req * skip_p = new Skip_req;
1884                         skip_p->set_mus_property ("duration" ,$2);
1885                         skip_p->set_spot (i);
1886                         e = skip_p->self_scm ();
1887                   }
1888                   else {
1889                         Rest_req * rest_req_p = new Rest_req;
1890                         rest_req_p->set_mus_property ("duration", $2);
1891                         rest_req_p->set_spot (i);
1892                         e = rest_req_p->self_scm ();
1893                     }
1894                 Simultaneous_music* velt_p = new Request_chord (SCM_EOL);
1895                 velt_p-> set_mus_property ("elements", scm_list_n (e,SCM_UNDEFINED));
1896                 velt_p->set_spot (i);
1897
1898                 $$ = velt_p;
1899         }
1900         | MULTI_MEASURE_REST optional_notemode_duration         {
1901                 Input i = THIS->pop_spot ();
1902
1903                 Skip_req * sk = new Skip_req;
1904                 sk->set_mus_property ("duration", $2);
1905                 Span_req *sp1 = new Span_req;
1906                 Span_req *sp2 = new Span_req;
1907                 sp1-> set_span_dir ( START);
1908                 sp2-> set_span_dir ( STOP);
1909                 SCM r = ly_str02scm ("rest");
1910                 sp1->set_mus_property ("span-type", r);
1911                 sp2->set_mus_property ("span-type", r);
1912
1913                 Request_chord * rqc1 = new Request_chord (SCM_EOL);
1914                 rqc1->set_mus_property ("elements", scm_list_n (sp1->self_scm (), SCM_UNDEFINED));
1915                 Request_chord * rqc2 = new Request_chord (SCM_EOL);
1916                 rqc2->set_mus_property ("elements", scm_list_n (sk->self_scm (), SCM_UNDEFINED));;
1917                 Request_chord * rqc3 = new Request_chord (SCM_EOL);
1918                 rqc3->set_mus_property ("elements", scm_list_n (sp2->self_scm (), SCM_UNDEFINED));;
1919
1920                 SCM ms = scm_list_n (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
1921
1922                 $$ = new Sequential_music (SCM_EOL);
1923                 $$->set_mus_property ("elements", ms);
1924         }
1925         | STRING optional_notemode_duration     {
1926                 Input i = THIS->pop_spot ();
1927
1928                 Lyric_req* lreq_p = new Lyric_req;
1929                 lreq_p->set_mus_property ("text", $1);
1930                 lreq_p->set_mus_property ("duration",$2);
1931                 lreq_p->set_spot (i);
1932                 Simultaneous_music* velt_p = new Request_chord (SCM_EOL);
1933                 velt_p->set_mus_property ("elements", scm_list_n (lreq_p->self_scm (), SCM_UNDEFINED));
1934
1935                 $$= velt_p;
1936         }
1937         | chord {
1938                 Input i = THIS->pop_spot ();
1939
1940                 if (!THIS->lexer_p_->chord_state_b ())
1941                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1942                 $$ = $1;
1943         }
1944         ;
1945
1946
1947 chord:
1948         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1949                 $$ = Chord::get_chord ($1, $3, $4, $5, $6, $2);
1950                 $$->set_spot (THIS->here_input ());
1951         };
1952
1953 chord_additions:
1954         {
1955                 $$ = SCM_EOL;
1956         }
1957         | CHORD_COLON chord_notes {
1958                 $$ = $2;
1959         }
1960         ;
1961
1962 chord_notes:
1963         chord_step {
1964                 $$ = $1
1965         }
1966         | chord_notes '.' chord_step {
1967                 $$ = gh_append2 ($$, $3);
1968         }
1969         ;
1970
1971 chord_subtractions:
1972         {
1973                 $$ = SCM_EOL;
1974         }
1975         | CHORD_CARET chord_notes {
1976                 $$ = $2;
1977         }
1978         ;
1979
1980
1981 chord_inversion:
1982         {
1983                 $$ = SCM_EOL;
1984         }
1985         | '/' steno_tonic_pitch {
1986                 $$ = $2;
1987         }
1988         ;
1989
1990 chord_bass:
1991         {
1992                 $$ = SCM_EOL;
1993         }
1994         | CHORD_BASS steno_tonic_pitch {
1995                 $$ = $2;
1996         }
1997         ;
1998
1999 chord_step:
2000         chord_note {
2001                 $$ = gh_cons ($1, SCM_EOL);
2002         }
2003         | CHORDMODIFIER_PITCH {
2004                 $$ = gh_cons (unsmob_pitch ($1)->smobbed_copy (), SCM_EOL);
2005         }
2006         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
2007                 $$ = scm_list_n (unsmob_pitch ($1)->smobbed_copy (),
2008                         $2, SCM_UNDEFINED);
2009         }
2010         ;
2011
2012 chord_note:
2013         bare_unsigned {
2014                  Pitch m;
2015                 m.notename_i_ = ($1 - 1) % 7;
2016                 m.octave_i_ = $1 > 7 ? 1 : 0;
2017                 m.alteration_i_ = 0;
2018
2019                 $$ = m.smobbed_copy ();
2020         }
2021         | bare_unsigned '+' {
2022                 Pitch m;
2023                 m.notename_i_ = ($1 - 1) % 7;
2024                 m.octave_i_ = $1 > 7 ? 1 : 0;
2025                 m.alteration_i_ = 1;
2026
2027
2028                 $$ = m.smobbed_copy ();
2029         }
2030         | bare_unsigned CHORD_MINUS {
2031                 Pitch m;
2032                 m.notename_i_ = ($1 - 1) % 7;
2033                 m.octave_i_ = $1 > 7 ? 1 : 0;
2034                 m.alteration_i_ = -1;
2035
2036                 $$ = m.smobbed_copy ();
2037         }
2038         ;
2039
2040 /*
2041         UTILITIES
2042  */
2043 number_expression:
2044         number_expression '+' number_term {
2045                 $$ = scm_sum ($1, $3);
2046         }
2047         | number_expression '-' number_term {
2048                 $$ = scm_difference ($1, $3);
2049         }
2050         | number_term
2051         ;
2052
2053 number_term:
2054         number_factor {
2055                 $$ = $1;
2056         }
2057         | number_factor '*' number_factor {
2058                 $$ = scm_product ($1, $3);
2059         }
2060         | number_factor '/' number_factor {
2061                 $$ = scm_divide ($1, $3);
2062         }
2063         ;
2064
2065 number_factor:
2066         '(' number_expression ')'       {
2067                 $$ = $2;
2068         }
2069         | '-'  number_factor { /* %prec UNARY_MINUS */
2070                 $$ = scm_difference ($2, SCM_UNDEFINED);
2071         }
2072         | bare_number
2073         ;
2074
2075
2076 bare_number:
2077         UNSIGNED        {
2078                 $$ = gh_int2scm ($1);
2079         }
2080         | REAL          {
2081                 $$ = $1;
2082         }
2083         | NUMBER_IDENTIFIER             {
2084                 $$ = $1;
2085         }
2086         | REAL CM_T     {
2087                 $$ = gh_double2scm (gh_scm2double ($1) CM );
2088         }
2089         | REAL PT_T     {
2090                 $$ = gh_double2scm (gh_scm2double ($1) PT);
2091         }
2092         | REAL IN_T     {
2093                 $$ = gh_double2scm (gh_scm2double ($1) INCH);
2094         }
2095         | REAL MM_T     {
2096                 $$ = gh_double2scm (gh_scm2double ($1) MM);
2097         }
2098         | REAL CHAR_T   {
2099                 $$ = gh_double2scm (gh_scm2double ($1) CHAR);
2100         }
2101         ;
2102
2103
2104 bare_unsigned:
2105         UNSIGNED {
2106                         $$ = $1;
2107         }
2108         | DIGIT {
2109                 $$ = $1;
2110         }
2111         ;
2112
2113 bare_int:
2114         bare_number {
2115                 if (scm_integer_p ($1) == SCM_BOOL_T)
2116                 {
2117                         int k = gh_scm2int ($1);
2118                         $$ = k;
2119                 } else
2120                 {
2121                         THIS->parser_error (_ ("need integer number arg"));
2122                         $$ = 0;
2123                 }
2124         }
2125         | '-' bare_int {
2126                 $$ = -$2;
2127         }
2128         ;
2129
2130
2131 string:
2132         STRING          {
2133                 $$ = $1;
2134         }
2135         | STRING_IDENTIFIER     {
2136                 $$ = $1;
2137         }
2138         | string '+' string {
2139                 $$ = scm_string_append (scm_list_n ($1, $3, SCM_UNDEFINED));
2140         }
2141         ;
2142
2143
2144 exclamations:
2145                 { $$ = 0; }
2146         | exclamations '!'      { $$ ++; }
2147         ;
2148
2149 questions:
2150                 { $$ = 0; }
2151         | questions '?' { $$ ++; }
2152         ;
2153
2154
2155 %%
2156
2157 void
2158 My_lily_parser::set_yydebug (bool )
2159 {
2160 #if 0
2161         yydebug = b;
2162 #endif
2163 }
2164
2165 extern My_lily_parser * current_parser;
2166
2167 void
2168 My_lily_parser::do_yyparse ()
2169 {
2170
2171         current_parser = this;;
2172         yyparse ((void*)this);
2173 }
2174
2175
2176 /*
2177 Should make this optional?    It will also complain when you do
2178
2179         [s4]
2180
2181 which is entirely legitimate.
2182
2183 Or we can scrap it. Barchecks should detect wrong durations, and
2184 skipTypesetting speeds it up a lot.
2185 */
2186 void
2187 My_lily_parser::beam_check (SCM dur)
2188 {
2189   Duration *d = unsmob_duration (dur);
2190   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2191     {
2192       Music * m = unsmob_music (last_beam_start_);
2193       m->origin ()->warning (_("Suspect duration found following this beam"));
2194     }
2195   last_beam_start_ = SCM_EOL;
2196 }