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 <iostream.h>
  27 #include <ctype.h>
  28
  29 #include "translator-def.hh"
  30 #include "lily-guile.hh"
  31 #include "change-iterator.hh"
  32 #include "misc.hh"
  33 #include "my-lily-lexer.hh"
  34 #include "paper-def.hh"
  35 #include "midi-def.hh"
  36 #include "main.hh"
  37 #include "file-path.hh"
  38 #include "warn.hh"
  39 #include "dimensions.hh"
  40 #include "command-request.hh"
  41 #include "musical-request.hh"
  42 #include "my-lily-parser.hh"
  43 #include "context-specced-music.hh"
  44 #include "score.hh"
  45 #include "music-list.hh"
  46 #include "output-property-music-iterator.hh"
  47 #include "property-iterator.hh"
  48 #include "input-file-results.hh"
  49 #include "input.hh"
  50 #include "relative-music.hh"
  51 #include "lyric-combine-music.hh"
  52 #include "transposed-music.hh"
  53 #include "time-scaled-music.hh"
  54 #include "repeated-music.hh"
  55 #include "untransposable-music.hh"
  56 #include "lilypond-input-version.hh"
  57 #include "grace-music.hh"
  58 #include "part-combine-music.hh"
  59 #include "scm-hash.hh"
  60 #include "auto-change-iterator.hh"
  61 #include "un-relativable-music.hh"
  62 #include "chord.hh"
  63 #include "ly-modules.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 bool
  82 is_duration_b (int t)
  83 {
  84   return t && t == 1 << intlog2 (t);
  85 }
  86
  87 void
  88 set_music_properties (Music *p, SCM a)
  89 {
  90   for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
  91         {
  92         p->internal_set_mus_property (ly_caar (k), ly_cdar (k));
  93         }
  94 }
  95
  96
  97
  98 #define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
  99
 100 Music*
 101 set_property_music (SCM sym, SCM value)
 102 {
 103         Music * p = MY_MAKE_MUSIC("PropertySet");
 104         p->set_mus_property ("symbol", sym);
 105         p->set_mus_property ("value", value);
 106         return p;
 107 }
 108
 109
 110 // needed for bison.simple's malloc () and free ()
 111
 112 // #include <malloc.h>
 113 #include <stdlib.h>
 114
 115
 116
 117 #define YYERROR_VERBOSE 1
 118
 119 #define YYPARSE_PARAM my_lily_parser
 120 #define YYLEX_PARAM my_lily_parser
 121 #define THIS\
 122         ((My_lily_parser *) my_lily_parser)
 123
 124 #define yyerror THIS->parser_error
 125
 126 %}
 127
 128 /* We use SCMs to do strings, because it saves us the trouble of
 129 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 130 of the parse stack onto the heap. */
 131
 132
 133 %union {
 134
 135     Link_array<Music> *reqvec;
 136
 137     String *string; // needed by the lexer as temporary scratch area.
 138     Music *music;
 139     Score *score;
 140     Scheme_hash_table *scmhash;
 141     Music_output_def * outputdef;
 142     SCM scm;
 143     int i;
 144 }
 145 %{
 146
 147 int
 148 yylex (YYSTYPE *s,  void * v)
 149 {
 150         My_lily_parser   *pars = (My_lily_parser*) v;
 151         My_lily_lexer * lex = pars->lexer_;
 152
 153         lex->lexval = (void*) s;
 154         return lex->yylex ();
 155 }
 156
 157
 158 %}
 159
 160 %pure_parser
 161
 162 /* tokens which are not keywords */
 163 %token AUTOCHANGE
 164 %token ALIAS
 165 %token APPLY
 166 %token ARPEGGIO
 167 %token DYNAMICSCRIPT
 168 %token ACCEPTS
 169 %token ALTERNATIVE
 170 %token BAR
 171 %token BREATHE
 172 %token CHORDMODIFIERS
 173 %token CHORDS
 174 %token CHAR_T
 175 %token CLEF
 176 %token CM_T
 177 %token CONSISTS
 178 %token DURATION
 179 %token SEQUENTIAL
 180 %token GROBDESCRIPTIONS
 181 %token SIMULTANEOUS
 182 %token CONSISTSEND
 183 %token DENIES
 184 %token DURATION
 185 %token EXTENDER
 186 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 187 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
 188 %token GLISSANDO
 189 %token GRACE
 190 %token HEADER
 191 %token HYPHEN
 192 %token IN_T
 193 %token INVALID
 194 %token KEY
 195 %token LYRICS
 196 %token MARK
 197 %token MULTI_MEASURE_REST
 198 %token MIDI
 199 %token MM_T
 200 %token PITCH
 201 %token DEFAULT
 202 %token NAME
 203 %token PITCHNAMES
 204 %token NOTES
 205 %token ONCE
 206 %token PAPER
 207 %token PARTIAL
 208 %token PENALTY
 209 %token PROPERTY
 210 %token OVERRIDE SET REVERT
 211 %token PT_T
 212 %token RELATIVE
 213 %token REMOVE
 214 %token REPEAT
 215 %token ADDLYRICS
 216 %token PARTCOMBINE
 217 %token SCM_T
 218 %token SCORE
 219 %token SCRIPT
 220 %token SKIP
 221 %token SPANREQUEST
 222 %token STYLESHEET
 223 %token COMMANDSPANREQUEST
 224 %token TEMPO
 225 %token OUTPUTPROPERTY
 226 %token TIME_T
 227 %token TIMES
 228 %token TRANSLATOR
 229 %token TRANSPOSE
 230 %token TYPE
 231 %token UNSET
 232 %token CONTEXT
 233 %token REST
 234
 235 /* escaped */
 236 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 237 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 238 %token E_BACKSLASH
 239 %token <i> E_UNSIGNED
 240 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
 241 %token FIGURE_SPACE
 242
 243 %type <i>       exclamations questions dots optional_rest
 244 %type <i>       bass_number bass_mod
 245 %type <scm>     br_bass_figure bass_figure figure_list figure_spec
 246 %token <i>      DIGIT
 247 %token <scm>    NOTENAME_PITCH
 248 %token <scm>    TONICNAME_PITCH
 249 %token <scm>    CHORDMODIFIER_PITCH
 250 %token <scm>    DURATION_IDENTIFIER
 251 %token <scm>    FRACTION
 252 %token <id>     IDENTIFIER
 253
 254
 255 %token <scm>    SCORE_IDENTIFIER
 256 %token <scm>    MUSIC_OUTPUT_DEF_IDENTIFIER
 257
 258 %token <scm>    NUMBER_IDENTIFIER
 259 %token <scm>    REQUEST_IDENTIFIER
 260 %token <scm>    MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
 261 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER
 262 %token <scm>    RESTNAME
 263 %token <scm>    STRING
 264 %token <scm>    SCM_T
 265 %token <i>      UNSIGNED
 266 %token <scm>   REAL
 267
 268 %type <outputdef> output_def
 269 %type <scm>     lilypond_header lilypond_header_body
 270 %type <music>   open_request_parens close_request_parens open_request close_request
 271 %type <music> request_with_dir request_that_take_dir verbose_request
 272 %type <i>       sub_quotes sup_quotes
 273 %type <music>   simple_element  request_chord command_element Simple_music  Composite_music
 274 %type <music>   Repeated_music
 275 %type <scm>     Alternative_music
 276 %type <i>       tremolo_type
 277 %type <i>       bare_int  bare_unsigned
 278 %type <i>       script_dir
 279 %type <scm>     identifier_init
 280
 281 %type <scm> steno_duration optional_notemode_duration multiplied_duration
 282 %type <scm>  verbose_duration
 283
 284 %type <reqvec>  pre_requests post_requests
 285 %type <music> gen_text_def
 286 %type <scm>   steno_pitch pitch absolute_pitch
 287 %type <scm>   explicit_pitch steno_tonic_pitch
 288
 289 %type <scm>     chord_additions chord_subtractions chord_notes chord_step
 290 %type <music>   chord
 291 %type <scm>     chord_note chord_inversion chord_bass
 292 %type <scm>     duration_length fraction
 293
 294 %type <scm>  embedded_scm scalar
 295 %type <music>   Music Sequential_music Simultaneous_music
 296 %type <music>   relative_music re_rhythmed_music part_combined_music
 297 %type <music>   property_def translator_change  simple_property_def
 298 %type <scm> Music_list
 299 %type <outputdef>  music_output_def_body
 300 %type <music> shorthand_command_req
 301 %type <music>   post_request
 302 %type <music> command_req verbose_command_req
 303 %type <music>   extender_req
 304 %type <music> hyphen_req
 305 %type <music> string_request
 306 %type <scm>     string bare_number number_expression number_term number_factor
 307
 308 %type <score>   score_block score_body
 309
 310 %type <scm>     translator_spec_block translator_spec_body
 311 %type <music>   tempo_request
 312 %type <scm> notenames_body notenames_block chordmodifiers_block
 313 %type <scm>     script_abbreviation
 314
 315
 316
 317 %left '-' '+'
 318
 319 /* We don't assign precedence to / and *, because we might need varied
 320 prec levels in different prods */
 321
 322 %left UNARY_MINUS
 323
 324 %%
 325
 326 lilypond:       /* empty */
 327         | lilypond toplevel_expression {}
 328         | lilypond assignment  { }
 329         | lilypond error {
 330                 THIS->error_level_  = 1;
 331         }
 332         | lilypond INVALID      {
 333                 THIS->error_level_  = 1;
 334         }
 335         ;
 336
 337 toplevel_expression:
 338         notenames_block                 {
 339                 THIS->lexer_->pitchname_tab_ =  $1;
 340         }
 341         | chordmodifiers_block                  {
 342                 THIS->lexer_->chordmodifier_tab_  = $1;
 343         }
 344         | lilypond_header {
 345                 THIS->input_file_->header_ = $1;
 346         }
 347         | score_block {
 348                 THIS->input_file_->scores_.push ($1);
 349         }
 350         | output_def {
 351                 if (dynamic_cast<Paper_def*> ($1))
 352                         THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultpaper"), $1->self_scm ());
 353                 else if (dynamic_cast<Midi_def*> ($1))
 354                         THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultmidi"), $1->self_scm ());
 355         }
 356         | embedded_scm {
 357                 // junk value
 358         }
 359         ;
 360
 361 embedded_scm:
 362         SCM_T
 363         | SCM_IDENTIFIER
 364         ;
 365
 366
 367 chordmodifiers_block:
 368         CHORDMODIFIERS notenames_body   {  $$ = $2; }
 369         ;
 370
 371 notenames_block:
 372         PITCHNAMES notenames_body   {  $$ = $2; }
 373         ;
 374
 375 notenames_body:
 376         embedded_scm    {
 377           int i = scm_ilength ($1);
 378
 379           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
 380           for (SCM s = $1; gh_pair_p (s); s = ly_cdr (s)) {
 381                 SCM pt = ly_cdar (s);
 382                 if (!unsmob_pitch (pt))
 383                         THIS->parser_error ("Need pitch object.");
 384                 else
 385                         scm_hashq_set_x (tab, ly_caar (s), pt);
 386           }
 387
 388           $$ = tab;
 389         }
 390         ;
 391
 392 lilypond_header_body:
 393         {
 394                 $$ = ly_make_anonymous_module ();
 395                 THIS->lexer_->add_scope ($$);
 396         }
 397         | lilypond_header_body assignment  {
 398
 399         }
 400         ;
 401
 402 lilypond_header:
 403         HEADER '{' lilypond_header_body '}'     {
 404                 $$ = THIS->lexer_-> remove_scope();
 405         }
 406         ;
 407
 408
 409 /*
 410         DECLARATIONS
 411 */
 412 assignment:
 413         STRING {
 414                 THIS->push_spot ();
 415         }
 416         /* cont */ '=' identifier_init  {
 417
 418         /*
 419                 Should find generic way of associating input with objects.
 420         */
 421                 Input ip = THIS->pop_spot ();
 422
 423                 if (! regular_identifier_b ($1))
 424                 {
 425                         ip.warning (_ ("Identifier should have alphabetic characters only"));
 426                 }
 427
 428                 THIS->lexer_->set_identifier ($1, $4);
 429
 430 /*
 431  TODO: devise standard for protection in parser.
 432
 433   The parser stack lives on the C-stack, which means that
 434 all objects can be unprotected as soon as they're here.
 435
 436 */
 437         }
 438         ;
 439
 440
 441
 442 identifier_init:
 443         score_block {
 444                 $$ = $1->self_scm ();
 445                 scm_gc_unprotect_object ($$);
 446         }
 447         | output_def {
 448                 $$ = $1->self_scm ();
 449                 scm_gc_unprotect_object ($$);
 450         }
 451         | translator_spec_block {
 452                 $$ = $1;
 453         }
 454         | Music  {
 455                 $$ = $1->self_scm ();
 456                 scm_gc_unprotect_object ($$);
 457         }
 458         | post_request {
 459                 $$ = $1->self_scm ();
 460                 scm_gc_unprotect_object ($$);
 461         }
 462         | verbose_duration {
 463                 $$ = $1;
 464         }
 465         | number_expression {
 466                 $$ = $1;
 467         }
 468         | string {
 469                 $$ = $1;
 470         }
 471         | embedded_scm  {
 472                 $$ = $1;
 473         }
 474         ;
 475
 476 translator_spec_block:
 477         TRANSLATOR '{' translator_spec_body '}'
 478                 {
 479                 $$ = $3;
 480         }
 481         ;
 482
 483 translator_spec_body:
 484         TRANSLATOR_IDENTIFIER   {
 485                 $$ = unsmob_translator_def ($1)->clone_scm ();
 486                 unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
 487         }
 488         | TYPE STRING   {
 489                 $$ = Translator_def::make_scm ();
 490                 Translator_def*td =  unsmob_translator_def ($$);
 491                 td->translator_group_type_ = $2;
 492                 td->set_spot (THIS->here_input ());
 493         }
 494         | translator_spec_body STRING '=' embedded_scm                  {
 495                 unsmob_translator_def ($$)->add_property_assign ($2, $4);
 496         }
 497         | translator_spec_body STRING OVERRIDE embedded_scm '=' embedded_scm {
 498                 unsmob_translator_def ($$)
 499                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 500         }
 501         | translator_spec_body STRING SET embedded_scm '=' embedded_scm {
 502                 unsmob_translator_def ($$)
 503                         ->add_push_property (scm_string_to_symbol ($2), $4, $6);
 504         }
 505         | translator_spec_body STRING REVERT embedded_scm  {
 506           unsmob_translator_def ($$)->add_pop_property (
 507                 scm_string_to_symbol ($2), $4);
 508         }
 509         | translator_spec_body NAME STRING  {
 510                 unsmob_translator_def ($$)->type_name_ = $3;
 511         }
 512         | translator_spec_body CONSISTS STRING  {
 513                 unsmob_translator_def ($$)->add_element ($3);
 514         }
 515         | translator_spec_body ALIAS STRING  {
 516                 Translator_def*td = unsmob_translator_def ($$);
 517                 td->type_aliases_ = scm_cons ($3, td->type_aliases_);
 518         }
 519         | translator_spec_body GROBDESCRIPTIONS embedded_scm {
 520                 Translator_def*td = unsmob_translator_def($$);
 521                 // td->add_property_assign (ly_symbol2scm ("allGrobDescriptions"), $3);
 522                 for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p))
 523                         td->add_property_assign (scm_symbol_to_string (ly_caar (p)), ly_cdar (p));
 524         }
 525         | translator_spec_body CONSISTSEND STRING  {
 526                 unsmob_translator_def ($$)->add_last_element ( $3);
 527         }
 528         | translator_spec_body ACCEPTS STRING  {
 529                 unsmob_translator_def ($$)->set_acceptor ($3,true);
 530         }
 531         | translator_spec_body DENIES STRING  {
 532                 unsmob_translator_def ($$)->set_acceptor ($3,false);
 533         }
 534         | translator_spec_body REMOVE STRING  {
 535                 unsmob_translator_def ($$)->remove_element ($3);
 536         }
 537         ;
 538
 539 /*
 540         SCORE
 541 */
 542 score_block:
 543         SCORE {
 544                 THIS->push_spot ();
 545         }
 546         /*cont*/ '{' score_body '}'     {
 547                 THIS->pop_spot ();
 548                 $$ = $4;
 549                 if (!$$->defs_.size ())
 550                 {
 551                   Music_output_def *id =
 552                         unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 553                   $$->add_output (id ? id->clone () :  new Paper_def );
 554                 }
 555         }
 556         ;
 557
 558 score_body:
 559         Music   {
 560                 $$ = new Score;
 561
 562                 $$->set_spot (THIS->here_input ());
 563                 SCM m = $1->self_scm ();
 564                 scm_gc_unprotect_object (m);
 565
 566                 /*
 567                         guh.
 568                 */
 569                 SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
 570                 for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
 571                         m = gh_call1 (gh_car (check_funcs), m);
 572                 $$->music_ = m;
 573
 574         }
 575         | SCORE_IDENTIFIER {
 576                 $$ = new Score (*unsmob_score ($1));
 577                 $$->set_spot (THIS->here_input ());
 578         }
 579         | score_body lilypond_header    {
 580                 $$->header_ = $2;
 581         }
 582         | score_body output_def {
 583                 $$->add_output ($2);
 584         }
 585         | score_body error {
 586
 587         }
 588         ;
 589
 590
 591 /*
 592         MIDI
 593 */
 594 output_def:
 595         music_output_def_body '}' {
 596                 $$ = $1;
 597                 THIS-> lexer_-> remove_scope ();
 598         }
 599         ;
 600
 601 music_output_def_body:
 602         MIDI '{'    {
 603                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 604
 605
 606                 Midi_def* p =0;
 607                 if (id)
 608                         p = dynamic_cast<Midi_def*> (id->clone ());
 609                 else
 610                         p = new Midi_def;
 611
 612                 $$ = p;
 613                 THIS->lexer_->add_scope (p->scope_);
 614         }
 615         | PAPER '{'     {
 616                 Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
 617                   Paper_def *p = 0;
 618                 if (id)
 619                         p = dynamic_cast<Paper_def*> (id->clone ());
 620                 else
 621                         p = new Paper_def;
 622                 THIS-> lexer_->add_scope (p->scope_);
 623                 $$ = p;
 624         }
 625         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
 626                 Music_output_def *p = unsmob_music_output_def ($3);
 627                 p = p->clone ();
 628                 THIS->lexer_->add_scope (p->scope_);
 629                 $$ = p;
 630         }
 631         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
 632                 Music_output_def *p = unsmob_music_output_def ($3);
 633                 p = p->clone ();
 634
 635                 THIS->lexer_->add_scope (p->scope_);
 636                 $$ = p;
 637         }
 638         | music_output_def_body assignment  {
 639
 640         }
 641         | music_output_def_body translator_spec_block   {
 642                 $$->assign_translator ($2);
 643         }
 644         | music_output_def_body STYLESHEET embedded_scm {
 645                 dynamic_cast<Paper_def*> ($$)-> style_sheet_ = $3;
 646         }
 647         | music_output_def_body tempo_request  {
 648                 /*
 649                         junk this ? there already is tempo stuff in
 650                         music.
 651                 */
 652                 int m = gh_scm2int ( $2->get_mus_property ("metronome-count"));
 653                 Duration *d = unsmob_duration ($2->get_mus_property ("duration"));
 654                 Midi_def * md = dynamic_cast<Midi_def*> ($$);
 655                 if (md)
 656                         md->set_tempo (d->length_mom (), m);
 657         }
 658         | music_output_def_body error {
 659
 660         }
 661         ;
 662
 663 tempo_request:
 664         TEMPO steno_duration '=' bare_unsigned  {
 665                 $$ = MY_MAKE_MUSIC("TempoEvent");
 666                 $$->set_mus_property ("duration", $2);
 667                 $$->set_mus_property ("metronome-count", gh_int2scm ( $4));
 668         }
 669         ;
 670
 671 /*
 672 The representation of a  list is the
 673
 674   (LIST . LAST-CONS)
 675
 676  to have  efficient append.
 677 */
 678 Music_list: /* empty */ {
 679                 $$ = scm_cons (SCM_EOL, SCM_EOL);
 680         }
 681         | Music_list Music {
 682                 SCM s = $$;
 683                 SCM c = scm_cons ($2->self_scm (), SCM_EOL);
 684                 scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
 685                 if (gh_pair_p (ly_cdr (s)))
 686                         gh_set_cdr_x (ly_cdr (s), c); /* append */
 687                 else
 688                         gh_set_car_x (s, c); /* set first cons */
 689                 gh_set_cdr_x (s, c) ;  /* remember last cell */
 690         }
 691         | Music_list error {
 692         }
 693         ;
 694
 695
 696 Music:
 697         Simple_music
 698         | Composite_music
 699         ;
 700
 701 Alternative_music:
 702         /* empty */ {
 703                 $$ = SCM_EOL;
 704         }
 705         | ALTERNATIVE '{' Music_list '}' {
 706                 $$ = $3;
 707         }
 708         ;
 709
 710 Repeated_music:
 711         REPEAT string bare_unsigned Music Alternative_music
 712         {
 713                 Music *beg = $4;
 714                 int times = $3;
 715                 SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
 716                 if (times < scm_ilength (alts)) {
 717                   unsmob_music (gh_car (alts))
 718                     ->origin ()->warning (
 719                     _("More alternatives than repeats.  Junking excess alternatives."));
 720                   alts = ly_truncate_list (times, alts);
 721                 }
 722
 723                 Music *r = MY_MAKE_MUSIC("RepeatedMusic");
 724                 if (beg)
 725                         {
 726                         r-> set_mus_property ("element", beg->self_scm ());
 727                         scm_gc_unprotect_object (beg->self_scm ());
 728                         }
 729                 r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 730
 731                 r-> set_mus_property ("elements",alts);
 732                 SCM func = scm_primitive_eval (ly_symbol2scm ("repeat-name-to-ctor"));
 733                 SCM result = gh_call1 (func, $2);
 734
 735                 if (gh_equal_p ($2, scm_makfrom0str ("tremolo")))
 736                 {
 737                 /*
 738                 we can not get durations and other stuff correct down the line, so we have to
 739                 add to the duration log here.
 740                 */
 741                         SCM func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
 742                         if (($3 % 3) == 0)
 743                           gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3*2/3)),gh_int2scm(1));
 744                         else
 745                           gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3)), gh_int2scm(0));
 746                 }
 747
 748                 set_music_properties (r, result);
 749
 750                 r->set_spot (*$4->origin ());
 751
 752                 $$ = r;
 753         }
 754         ;
 755
 756 Sequential_music:
 757         SEQUENTIAL '{' Music_list '}'           {
 758                 $$ = MY_MAKE_MUSIC("SequentialMusic");
 759                 $$->set_mus_property ("elements", ly_car ($3));
 760                 $$->set_spot(THIS->here_input());
 761         }
 762         | '{' Music_list '}'            {
 763                 $$ = MY_MAKE_MUSIC("SequentialMusic");
 764                 $$->set_mus_property ("elements", ly_car ($2));
 765                 $$->set_spot(THIS->here_input());
 766         }
 767         ;
 768
 769 Simultaneous_music:
 770         SIMULTANEOUS '{' Music_list '}'{
 771                 $$ = MY_MAKE_MUSIC("SimultaneousMusic");
 772                 $$->set_mus_property ("elements", ly_car ($3));
 773                 $$->set_spot(THIS->here_input());
 774
 775         }
 776         | '<' Music_list '>'    {
 777                 $$ = MY_MAKE_MUSIC("SimultaneousMusic");
 778                 $$->set_mus_property ("elements", ly_car ($2));
 779                 $$->set_spot(THIS->here_input());
 780         }
 781         ;
 782
 783 Simple_music:
 784         request_chord           { $$ = $1; }
 785         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
 786                 SCM pred = $2;
 787                 if (!gh_symbol_p ($3))
 788                 {
 789                         THIS->parser_error (_ ("Second argument must be a symbol"));
 790                 }
 791                 /* Should check # args */
 792                 if (!gh_procedure_p (pred))
 793                 {
 794                         THIS->parser_error (_ ("First argument must be a procedure taking one argument"));
 795                 }
 796
 797         Music*m = MY_MAKE_MUSIC("OutputPropertySetMusic");
 798                 m->set_mus_property ("predicate", pred);
 799                 m->set_mus_property ("grob-property", $3);
 800                 m->set_mus_property ("grob-value",  $5);
 801
 802                 $$ = m;
 803         }
 804         | MUSIC_IDENTIFIER {
 805                 $$ = unsmob_music ($1)->clone ();
 806
 807                 $$->set_spot (THIS->here_input());
 808         }
 809         | property_def
 810         | translator_change
 811         ;
 812
 813
 814 Composite_music:
 815         CONTEXT STRING Music    {
 816                 Music*csm =MY_MAKE_MUSIC("ContextSpeccedMusic");
 817
 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", scm_makfrom0str (""));
 823
 824                 $$ = csm;
 825         }
 826         | AUTOCHANGE STRING Music       {
 827         Music*chm = MY_MAKE_MUSIC("AutoChangeMusic");
 828                 chm->set_mus_property ("element", $3->self_scm ());
 829
 830                 scm_gc_unprotect_object ($3->self_scm ());
 831                 chm->set_mus_property ("what", $2);
 832
 833                 $$ = chm;
 834                 chm->set_spot (*$3->origin ());
 835         }
 836         | GRACE Music {
 837 #if 1
 838         /*
 839                 The other version is for easier debugging  of
 840                 Sequential_music_iterator in combination with grace notes.
 841         */
 842
 843                 SCM start = THIS->lexer_->lookup_identifier ("startGraceMusic");
 844                 SCM stop = THIS->lexer_->lookup_identifier ("stopGraceMusic");
 845                 Music *startm = unsmob_music (start);
 846                 Music *stopm = unsmob_music (stop);
 847
 848                 SCM ms = SCM_EOL;
 849                 if (stopm) {
 850                         stopm = stopm->clone ();
 851                         ms = scm_cons (stopm->self_scm (), ms);
 852                         scm_gc_unprotect_object (stopm->self_scm ());
 853                 }
 854                 ms = scm_cons ($2->self_scm (), ms);
 855                 scm_gc_unprotect_object ($2->self_scm());
 856                 if (startm) {
 857                         startm = startm->clone ();
 858                         ms = scm_cons (startm->self_scm () , ms);
 859                         scm_gc_unprotect_object (startm->self_scm ());
 860                 }
 861
 862
 863                 Music* seq = MY_MAKE_MUSIC("SequentialMusic");
 864                 seq->set_mus_property ("elements", ms);
 865
 866
 867                 $$ = MY_MAKE_MUSIC("GraceMusic");
 868                 $$->set_mus_property ("element", seq->self_scm ());
 869                 scm_gc_unprotect_object (seq->self_scm ());
 870 #else
 871                 $$ = MY_MAKE_MUSIC("GraceMusic");
 872                 $$->set_mus_property ("element", $2->self_scm ());
 873                 scm_gc_unprotect_object ($2->self_scm ());
 874 #endif
 875         }
 876         | CONTEXT string '=' string Music {
 877                 Music * csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
 878
 879                 csm->set_mus_property ("element", $5->self_scm ());
 880                 scm_gc_unprotect_object ($5->self_scm ());
 881
 882                 csm->set_mus_property ("context-type", $2);
 883                 csm->set_mus_property ("context-id", $4);
 884
 885                 $$ = csm;
 886         }
 887         | TIMES {
 888                 THIS->push_spot ();
 889         }
 890         /* CONTINUED */
 891                 fraction Music
 892
 893         {
 894                 int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
 895                 Music *mp = $4;
 896         $$= MY_MAKE_MUSIC("TimeScaledMusic");
 897                 $$->set_spot (THIS->pop_spot ());
 898
 899
 900                 $$->set_mus_property ("element", mp->self_scm ());
 901                 scm_gc_unprotect_object (mp->self_scm ());
 902                 $$->set_mus_property ("numerator", gh_int2scm (n));
 903                 $$->set_mus_property ("denominator", gh_int2scm (d));
 904                 $$->compress (Moment (Rational (n,d)));
 905
 906         }
 907         | Repeated_music                { $$ = $1; }
 908         | Simultaneous_music            { $$ = $1; }
 909         | Sequential_music              { $$ = $1; }
 910         | TRANSPOSE pitch Music {
 911                 $$ = MY_MAKE_MUSIC("TransposedMusic");
 912                 Music *p = $3;
 913                 Pitch pit = *unsmob_pitch ($2);
 914
 915                 p->transpose (pit);
 916                 $$->set_mus_property ("element", p->self_scm ());
 917                 scm_gc_unprotect_object (p->self_scm ());
 918         }
 919         | TRANSPOSE steno_tonic_pitch Music {
 920                 $$ = MY_MAKE_MUSIC("TransposedMusic");
 921                 Music *p = $3;
 922                 Pitch pit = *unsmob_pitch ($2);
 923
 924                 p->transpose (pit);
 925                 $$->set_mus_property ("element", p->self_scm ());
 926                 scm_gc_unprotect_object (p->self_scm ());
 927
 928         }
 929         | APPLY embedded_scm Music  {
 930                 SCM ret = gh_call1 ($2, $3->self_scm ());
 931                 Music *m = unsmob_music (ret);
 932                 if (!m) {
 933                         THIS->parser_error ("\\apply must return a Music");
 934                         m = MY_MAKE_MUSIC("Music");
 935                         }
 936                 $$ = m;
 937         }
 938         | NOTES
 939                 { THIS->lexer_->push_note_state (); }
 940         Music
 941                 { $$ = $3;
 942                   THIS->lexer_->pop_state ();
 943                 }
 944         | FIGURES
 945                 { THIS->lexer_->push_figuredbass_state (); }
 946         Music
 947                 {
 948                   Music * chm = MY_MAKE_MUSIC("UntransposableMusic");
 949                   chm->set_mus_property ("element", $3->self_scm ());
 950                   $$ = chm;
 951                   scm_gc_unprotect_object ($3->self_scm());
 952
 953                   THIS->lexer_->pop_state ();
 954         }
 955         | CHORDS
 956                 { THIS->lexer_->push_chord_state (); }
 957         Music
 958                 {
 959                   Music * chm = MY_MAKE_MUSIC("UnrelativableMusic");
 960                   chm->set_mus_property ("element", $3->self_scm ());
 961                   scm_gc_unprotect_object ($3->self_scm());
 962                   $$ = chm;
 963
 964                   THIS->lexer_->pop_state ();
 965         }
 966         | LYRICS
 967                 { THIS->lexer_->push_lyric_state (); }
 968         Music
 969                 {
 970                   $$ = $3;
 971                   THIS->lexer_->pop_state ();
 972         }
 973         | relative_music        { $$ = $1; }
 974         | re_rhythmed_music     { $$ = $1; }
 975         | part_combined_music   { $$ = $1; }
 976         ;
 977
 978 relative_music:
 979         RELATIVE absolute_pitch Music {
 980                 Music * p = $3;
 981                 Pitch pit = *unsmob_pitch ($2);
 982                 $$ = MY_MAKE_MUSIC("RelativeOctaveMusic");
 983
 984                 $$->set_mus_property ("element", p->self_scm ());
 985                 scm_gc_unprotect_object (p->self_scm ());
 986
 987                 $$->set_mus_property ("last-pitch", p->to_relative_octave (pit).smobbed_copy ());
 988
 989         }
 990         ;
 991
 992 re_rhythmed_music:
 993         ADDLYRICS Music Music {
 994         Music*l =MY_MAKE_MUSIC("LyricCombineMusic");
 995           l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
 996           scm_gc_unprotect_object ($3->self_scm ());
 997           scm_gc_unprotect_object ($2->self_scm ());
 998           $$ = l;
 999         }
1000         ;
1001
1002 part_combined_music:
1003         PARTCOMBINE STRING Music Music {
1004         Music * p= MY_MAKE_MUSIC("PartCombineMusic");
1005                 p->set_mus_property ("what", $2);
1006                 p->set_mus_property ("elements", gh_list ($3->self_scm (),$4->self_scm (), SCM_UNDEFINED));
1007
1008                 scm_gc_unprotect_object ($3->self_scm ());
1009                 scm_gc_unprotect_object ($4->self_scm ());
1010
1011                 $$ = p;
1012         }
1013         ;
1014
1015 translator_change:
1016         TRANSLATOR STRING '=' STRING  {
1017                 Music*t= MY_MAKE_MUSIC("TranslatorChange");
1018                 t-> set_mus_property ("change-to-type", $2);
1019                 t-> set_mus_property ("change-to-id", $4);
1020
1021                 $$ = t;
1022                 $$->set_spot (THIS->here_input ());
1023         }
1024         ;
1025
1026 property_def:
1027         simple_property_def
1028         | ONCE simple_property_def {
1029                 $$ = $2;
1030                 SCM e = $2->get_mus_property ("element");
1031                 unsmob_music (e)->set_mus_property ("once", SCM_BOOL_T);
1032         }
1033         ;
1034
1035 simple_property_def:
1036         PROPERTY STRING '.' STRING '='  scalar {
1037                 Music *t = set_property_music (scm_string_to_symbol ($4), $6);
1038                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1039
1040                 csm->set_mus_property ("element", t->self_scm ());
1041                 scm_gc_unprotect_object (t->self_scm ());
1042
1043                 $$ = csm;
1044                 $$->set_spot (THIS->here_input ());
1045
1046                 csm-> set_mus_property ("context-type", $2);
1047         }
1048         | PROPERTY STRING '.' STRING UNSET {
1049
1050                 Music *t = MY_MAKE_MUSIC("PropertyUnset");
1051                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1052
1053                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1054                 csm->set_mus_property ("element", t->self_scm ());
1055                 scm_gc_unprotect_object (t->self_scm ());
1056
1057                 $$ = csm;
1058                 $$->set_spot (THIS->here_input ());
1059
1060                 csm-> set_mus_property ("context-type", $2);
1061         }
1062         | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
1063                 bool autobeam
1064                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1065                 bool itc = internal_type_checking_global_b;
1066                 Music *t = MY_MAKE_MUSIC("OverrideProperty");
1067
1068                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1069                 t->set_mus_property ("pop-first", SCM_BOOL_T);
1070                 if (autobeam)
1071                         internal_type_checking_global_b = false;
1072                 t->set_mus_property ("grob-property", $6);
1073                 if (autobeam)
1074                         internal_type_checking_global_b = itc;
1075                 t->set_mus_property ("grob-value", $8);
1076
1077                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1078                 csm->set_mus_property ("element", t->self_scm ());
1079                 scm_gc_unprotect_object (t->self_scm ());
1080                 $$ = csm;
1081                 $$->set_spot (THIS->here_input ());
1082
1083                 csm-> set_mus_property ("context-type", $2);
1084         }
1085         | PROPERTY STRING '.' STRING OVERRIDE
1086                 embedded_scm '=' embedded_scm
1087         {
1088                 /*
1089                         UGH UGH UGH UGH.
1090                 */
1091                 bool autobeam
1092                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1093                 bool itc = internal_type_checking_global_b;
1094
1095                 Music *t = MY_MAKE_MUSIC("OverrideProperty");
1096                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1097                 if (autobeam)
1098                         internal_type_checking_global_b = false;
1099                 t->set_mus_property ("grob-property", $6);
1100                 t->set_mus_property ("grob-value", $8);
1101                 if (autobeam)
1102                         internal_type_checking_global_b = itc;
1103
1104                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1105                 csm->set_mus_property ("element", t->self_scm ());
1106                 scm_gc_unprotect_object (t->self_scm ());
1107
1108                 $$ = csm;
1109                 $$->set_spot (THIS->here_input ());
1110
1111                 csm-> set_mus_property ("context-type", $2);
1112
1113         }
1114         | PROPERTY STRING '.' STRING REVERT embedded_scm {
1115                 Music *t = MY_MAKE_MUSIC("RevertProperty");
1116                 bool autobeam
1117                   = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
1118                 bool itc = internal_type_checking_global_b;
1119
1120                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
1121                 if (autobeam)
1122                         internal_type_checking_global_b = false;
1123                 t->set_mus_property ("grob-property", $6);
1124                 if (autobeam)
1125                         internal_type_checking_global_b = itc;
1126
1127                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1128                 csm->set_mus_property ("element", t->self_scm ());
1129                 scm_gc_unprotect_object (t->self_scm ());
1130
1131                 $$ = csm;
1132                 $$->set_spot (THIS->here_input ());
1133
1134                 csm-> set_mus_property ("context-type", $2);
1135         }
1136         ;
1137
1138
1139 scalar:
1140         string          { $$ = $1; }
1141         | bare_int      { $$ = gh_int2scm ($1); }
1142         | embedded_scm  { $$ = $1; }
1143         ;
1144
1145
1146 request_chord:
1147         pre_requests {
1148                 THIS->push_spot ();
1149         } /*cont */ simple_element post_requests        {
1150                 Music_sequence *l = dynamic_cast<Music_sequence*> ($3);
1151
1152                 $1->concat (*$4);
1153                 for (int i=0; i < $1->size (); i++) {
1154                   Music * m = $1->elem (i);
1155                   l->append_music (m);
1156                 }
1157                 $$ = $3;
1158
1159                 delete $1;
1160                 delete $4;
1161         }
1162         | command_element
1163         ;
1164
1165 command_element:
1166         command_req {
1167                 $$ = MY_MAKE_MUSIC("RequestChord");
1168                 $$->set_mus_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
1169           scm_gc_unprotect_object ($1->self_scm());
1170
1171                 $$-> set_spot (THIS->here_input ());
1172                 $1-> set_spot (THIS->here_input ());
1173         }
1174         | E_LEFTSQUARE {
1175                 Music *l = MY_MAKE_MUSIC("LigatureEvent");
1176                 l->set_mus_property ("span-direction", gh_int2scm (START));
1177                 l->set_spot (THIS->here_input ());
1178
1179                 $$ = MY_MAKE_MUSIC("RequestChord");
1180                 $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1181           scm_gc_unprotect_object (l->self_scm());
1182                 $$->set_spot (THIS->here_input ());
1183         }
1184         | E_RIGHTSQUARE {
1185                 Music *l = MY_MAKE_MUSIC("LigatureEvent");
1186                 l->set_mus_property ("span-direction", gh_int2scm (STOP));
1187                 l->set_spot (THIS->here_input ());
1188
1189                 $$ = MY_MAKE_MUSIC("RequestChord");
1190                 $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
1191                 $$->set_spot (THIS->here_input ());
1192           scm_gc_unprotect_object (l->self_scm());
1193
1194         }
1195         | E_BACKSLASH {
1196                 $$ = MY_MAKE_MUSIC("VoiceSeparator");
1197                 $$->set_spot (THIS->here_input ());
1198         }
1199         | '|'      {
1200
1201                 $$ = MY_MAKE_MUSIC("BarCheck");
1202                 $$->set_spot (THIS->here_input ());
1203         }
1204         | BAR STRING                    {
1205                 Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
1206
1207                 Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
1208                 csm->set_mus_property ("element", t->self_scm ());
1209                 scm_gc_unprotect_object (t->self_scm ());
1210
1211                 $$ = csm;
1212                 $$->set_spot (THIS->here_input ());
1213
1214                 csm->set_mus_property ("context-type", scm_makfrom0str ("Timing"));
1215         }
1216         | PARTIAL duration_length       {
1217                 Moment m = - unsmob_duration ($2)->length_mom ();
1218                 Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
1219
1220                 Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
1221                 sp->set_mus_property ("element", p->self_scm ());
1222                 scm_gc_unprotect_object (p->self_scm ());
1223
1224                 $$ =sp ;
1225                 sp-> set_mus_property ("context-type", scm_makfrom0str ("Timing"));
1226         }
1227         | CLEF STRING  {
1228                 SCM func = scm_primitive_eval (ly_symbol2scm ("clef-name-to-properties"));
1229                 SCM result = gh_call1 (func, $2);
1230
1231                 SCM l = SCM_EOL;
1232                 for (SCM s = result ; gh_pair_p (s); s = ly_cdr (s)) {
1233                         Music * p = MY_MAKE_MUSIC("Music");
1234                         set_music_properties (p, ly_car (s));
1235                         l = scm_cons (p->self_scm (), l);
1236                         scm_gc_unprotect_object (p->self_scm ());
1237                 }
1238                 Music * seq = MY_MAKE_MUSIC("SequentialMusic");
1239                 seq->set_mus_property ("elements", l);
1240
1241                 Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
1242                 sp->set_mus_property ("element", seq->self_scm ());
1243                 scm_gc_unprotect_object (seq->self_scm ());
1244
1245                 $$ =sp ;
1246                 sp-> set_mus_property ("context-type", scm_makfrom0str ("Staff"));
1247         }
1248         | TIME_T fraction  {
1249                 Music * p1 = set_property_music (ly_symbol2scm ( "timeSignatureFraction"), $2);
1250
1251                 int l = gh_scm2int (ly_car ($2));
1252                 int o = gh_scm2int (ly_cdr ($2));
1253
1254                 Moment one_beat = Moment (1)/Moment (o);
1255                 Moment len = Moment (l) * one_beat;
1256
1257
1258                 Music *p2 = set_property_music (ly_symbol2scm ("measureLength"), len.smobbed_copy ());
1259                 Music *p3 = set_property_music (ly_symbol2scm ("beatLength"), one_beat.smobbed_copy ());
1260
1261                 SCM list = scm_list_n (p1->self_scm (), p2->self_scm (), p3->self_scm(), SCM_UNDEFINED);
1262                 Music *seq = MY_MAKE_MUSIC("SequentialMusic");
1263                 seq->set_mus_property ("elements", list);
1264
1265
1266                 Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
1267                 sp->set_mus_property ("element", seq->self_scm ());
1268
1269                 scm_gc_unprotect_object (p3->self_scm ());
1270                 scm_gc_unprotect_object (p2->self_scm ());
1271                 scm_gc_unprotect_object (p1->self_scm ());
1272                 scm_gc_unprotect_object (seq->self_scm ());
1273
1274                 $$ = sp;
1275
1276                 sp-> set_mus_property ("context-type", scm_makfrom0str ( "Timing"));
1277         }
1278         ;
1279
1280 command_req:
1281         shorthand_command_req   { $$ = $1; }
1282         | verbose_command_req   { $$ = $1; }
1283         ;
1284
1285 shorthand_command_req:
1286         extender_req {
1287                 $$ = $1;
1288         }
1289         | hyphen_req {
1290                 $$ = $1;
1291         }
1292         | '~'   {
1293                 $$ = MY_MAKE_MUSIC("TieEvent");
1294         }
1295         | '['           {
1296                 Music *b= MY_MAKE_MUSIC("BeamEvent");
1297                 b->set_mus_property ("span-direction", gh_int2scm (START))
1298 ;
1299                 $$ =b;
1300
1301
1302                 THIS->last_beam_start_ = b->self_scm ();
1303         }
1304         | ']'           {
1305                 Music *b= MY_MAKE_MUSIC("BeamEvent");
1306                 b->set_mus_property ("span-direction", gh_int2scm (STOP));
1307                 $$ = b;
1308         }
1309         | BREATHE {
1310                 $$ = MY_MAKE_MUSIC("BreathingSignEvent");
1311         }
1312         | E_TILDE {
1313                 $$ = MY_MAKE_MUSIC("PorrectusEvent");
1314         }
1315         ;
1316
1317 verbose_command_req:
1318         COMMANDSPANREQUEST bare_int STRING { /*TODO: junkme */
1319                 Music * sp = MY_MAKE_MUSIC("SpanEvent");
1320                 sp->set_mus_property ("span-direction", gh_int2scm (Direction ($2)));
1321                 sp->set_mus_property ("span-type",$3);
1322                 sp->set_spot (THIS->here_input ());
1323                 $$ = sp;
1324         }
1325         | MARK DEFAULT  {
1326                 Music * m = MY_MAKE_MUSIC("MarkEvent");
1327                 $$ = m;
1328         }
1329         | MARK scalar {
1330                 Music *m = MY_MAKE_MUSIC("MarkEvent");
1331                 m->set_mus_property ("label", $2);
1332                 $$ = m;
1333         }
1334         | PENALTY SCM_T         {
1335                 Music * b = MY_MAKE_MUSIC("BreakEvent");
1336                 SCM s = $2;
1337                 if (!gh_number_p (s))
1338                         s = gh_int2scm (0);
1339
1340                 b->set_mus_property ("penalty", s);
1341                 b->set_spot (THIS->here_input ());
1342                 $$ = b;
1343         }
1344         | SKIP duration_length {
1345                 Music * skip = MY_MAKE_MUSIC("SkipEvent");
1346                 skip->set_mus_property ("duration", $2);
1347
1348                 $$ = skip;
1349         }
1350         | tempo_request {
1351                 $$ = $1;
1352         }
1353         | KEY DEFAULT {
1354                 Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
1355                 $$ = key;
1356         }
1357         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
1358                 Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
1359
1360                 key->set_mus_property ("pitch-alist", $3);
1361                 ((Music*)key)->transpose (* unsmob_pitch ($2));
1362                 $$ = key;
1363         }
1364         ;
1365
1366 post_requests:
1367         {
1368                 $$ = new Link_array<Music>;
1369         }
1370         | post_requests post_request {
1371                 $2->set_spot (THIS->here_input ());
1372                 $$->push ($2);
1373         }
1374         ;
1375
1376 post_request:
1377         verbose_request
1378         | request_with_dir
1379         | close_request
1380         | string_request
1381         ;
1382
1383
1384 string_request:
1385         E_UNSIGNED {
1386                 Music * s = MY_MAKE_MUSIC("StringNumberEvent");
1387                 s->set_mus_property ("string-number",  gh_int2scm($1));
1388                 s->set_spot (THIS->here_input ());
1389                 $$ = s;
1390         }
1391         ;
1392
1393
1394 request_that_take_dir:
1395         gen_text_def
1396         | verbose_request
1397         | script_abbreviation {
1398                 SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
1399                 Music *a = MY_MAKE_MUSIC("ArticulationEvent");
1400                 if (gh_string_p (s))
1401                         a->set_mus_property ("articulation-type", s);
1402                 else THIS->parser_error (_ ("Expecting string as script definition"));
1403                 $$ = a;
1404         }
1405         ;
1406
1407 request_with_dir:
1408         script_dir request_that_take_dir        {
1409                 $2->set_mus_property ("direction", gh_int2scm ($1));
1410                 $$ = $2;
1411         }
1412         ;
1413
1414 verbose_request:
1415         REQUEST_IDENTIFIER      {
1416                 $$ = unsmob_music ($1)->clone ();
1417                 $$->set_spot (THIS->here_input ());
1418         }
1419         | DYNAMICSCRIPT embedded_scm {
1420                 /*
1421                         TODO: junkme, use text-type == dynamic
1422                 */
1423                 Music *d = MY_MAKE_MUSIC("TextScriptEvent");
1424                 SCM dyn = ly_symbol2scm ("dynamic");
1425                 d->set_mus_property ("text-type" , dyn);
1426                 d->set_mus_property ("text", $2);
1427                 d->set_spot (THIS->here_input ());
1428                 $$ = d;
1429         }
1430         | SPANREQUEST bare_int STRING {
1431                 Music * sp = MY_MAKE_MUSIC("SpanEvent");
1432                 sp->set_mus_property ("span-direction", gh_int2scm ( $2));
1433                 sp->set_mus_property ("span-type", $3);
1434                 sp->set_spot (THIS->here_input ());
1435                 $$ = sp;
1436         }
1437         | tremolo_type  {
1438                Music * a = MY_MAKE_MUSIC("TremoloEvent");
1439                a->set_spot (THIS->here_input ());
1440                a->set_mus_property ("tremolo-type", gh_int2scm ($1));
1441                $$ = a;
1442         }
1443         | SCRIPT STRING         {
1444                 Music * a = MY_MAKE_MUSIC("ArticulationEvent");
1445                 a->set_mus_property ("articulation-type", $2);
1446                 a->set_spot (THIS->here_input ());
1447                 $$ = a;
1448         }
1449
1450         /*
1451                 duh, junk this syntax from the parser, if possible.
1452         */
1453         | ARPEGGIO {
1454                 Music *a = MY_MAKE_MUSIC("ArpeggioEvent");
1455                 a->set_spot (THIS->here_input ());
1456                 $$ = a;
1457         }
1458         | GLISSANDO {
1459                 Music *g = MY_MAKE_MUSIC("GlissandoEvent");
1460                 g->set_spot /* No pun intended */ (THIS->here_input ());
1461                 $$ = g;
1462         }
1463         ;
1464
1465 sup_quotes:
1466         '\'' {
1467                 $$ = 1;
1468         }
1469         | sup_quotes '\'' {
1470                 $$ ++;
1471         }
1472         ;
1473
1474 sub_quotes:
1475         ',' {
1476                 $$ = 1;
1477         }
1478         | sub_quotes ',' {
1479                 $$ ++ ;
1480         }
1481         ;
1482
1483 steno_pitch:
1484         NOTENAME_PITCH  {
1485                 $$ = $1;
1486         }
1487         | NOTENAME_PITCH sup_quotes     {
1488                 Pitch p = *unsmob_pitch ($1);
1489                 p.octave_ +=  $2;
1490                 $$ = p.smobbed_copy ();
1491         }
1492         | NOTENAME_PITCH sub_quotes      {
1493                 Pitch p =* unsmob_pitch ($1);
1494
1495                 p.octave_ +=  -$2;
1496                 $$ = p.smobbed_copy ();
1497
1498         }
1499         ;
1500
1501 /*
1502 ugh. duplication
1503 */
1504
1505 steno_tonic_pitch:
1506         TONICNAME_PITCH {
1507                 $$ = $1;
1508         }
1509         | TONICNAME_PITCH sup_quotes    {
1510                 Pitch p = *unsmob_pitch ($1);
1511                 p.octave_ +=  $2;
1512                 $$ = p.smobbed_copy ();
1513         }
1514         | TONICNAME_PITCH sub_quotes     {
1515                 Pitch p =* unsmob_pitch ($1);
1516
1517                 p.octave_ +=  -$2;
1518                 $$ = p.smobbed_copy ();
1519
1520         }
1521         ;
1522
1523 pitch:
1524         steno_pitch {
1525                 $$ = $1;
1526         }
1527         | explicit_pitch {
1528                 $$ = $1;
1529         }
1530         ;
1531
1532 explicit_pitch:
1533         PITCH embedded_scm {
1534                 $$ = $2;
1535                 if (!unsmob_pitch ($2)) {
1536                         THIS->parser_error (_f ("Expecting musical-pitch value", 3));
1537                          $$ = Pitch ().smobbed_copy ();
1538                 }
1539         }
1540         ;
1541
1542 verbose_duration:
1543         DURATION embedded_scm   {
1544                 $$ = $2;
1545                 if (!unsmob_duration ($2))
1546                 {
1547                         THIS->parser_error (_ ("Must have duration object"));
1548                         $$ = Duration ().smobbed_copy ();
1549                 }
1550         }
1551         ;
1552
1553 extender_req:
1554         EXTENDER {
1555                 if (!THIS->lexer_->lyric_state_b ())
1556                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1557                 $$ = MY_MAKE_MUSIC("ExtenderEvent");
1558         }
1559         ;
1560
1561 hyphen_req:
1562         HYPHEN {
1563                 if (!THIS->lexer_->lyric_state_b ())
1564                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1565                 $$ = MY_MAKE_MUSIC("HyphenEvent");
1566         }
1567         ;
1568
1569 close_request:
1570         close_request_parens {
1571                 $$ = $1;
1572                 dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (START))
1573 ;
1574         }
1575         ;
1576
1577 close_request_parens:
1578         '('     {
1579                 Music * s= MY_MAKE_MUSIC("SpanEvent");
1580                 $$ = s;
1581                 s->set_mus_property ("span-type", scm_makfrom0str ( "slur"));
1582                 s->set_spot (THIS->here_input());
1583         }
1584         | E_OPEN        {
1585                 Music * s= MY_MAKE_MUSIC("SpanEvent");
1586                 $$ = s;
1587                 s->set_mus_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
1588                 s->set_spot (THIS->here_input());
1589         }
1590         | E_SMALLER {
1591                 Music *s =MY_MAKE_MUSIC("CrescendoEvent");
1592                 $$ = s;
1593                 s->set_spot (THIS->here_input());
1594         }
1595         | E_BIGGER {
1596                 Music *s =MY_MAKE_MUSIC("DecrescendoEvent");
1597                 $$ = s;
1598                 s->set_spot (THIS->here_input());
1599         }
1600         ;
1601
1602
1603 open_request:
1604         open_request_parens {
1605                 $$ = $1;
1606                 dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (STOP))
1607 ;
1608         }
1609         ;
1610
1611 open_request_parens:
1612         E_EXCLAMATION   {
1613                 Music *s =  MY_MAKE_MUSIC("CrescendoEvent");
1614                 s->set_spot (THIS->here_input());
1615
1616                 $$ = s;
1617         }
1618         | ')'   {
1619                 Music * s= MY_MAKE_MUSIC("SpanEvent");
1620                 $$ = s;
1621                 s->set_mus_property ("span-type", scm_makfrom0str ( "slur"));
1622                 s->set_spot (THIS->here_input());
1623
1624         }
1625         | E_CLOSE       {
1626                 Music * s= MY_MAKE_MUSIC("SpanEvent");
1627                 $$ = s;
1628                 s->set_mus_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
1629                 s->set_spot (THIS->here_input());
1630         }
1631         ;
1632
1633 gen_text_def:
1634         embedded_scm {
1635                 Music *t = MY_MAKE_MUSIC("TextScriptEvent");
1636                 t->set_mus_property ("text", $1);
1637                 t->set_spot (THIS->here_input ());
1638                 $$ = t;
1639         }
1640         | string {
1641                 Music *t = MY_MAKE_MUSIC("TextScriptEvent");
1642                 t->set_mus_property ("text", $1);
1643                 t->set_spot (THIS->here_input ());
1644                 $$ = t;
1645         }
1646         | DIGIT {
1647                 String ds = to_string ($1);
1648                 Music * t = MY_MAKE_MUSIC("TextScriptEvent");
1649                 SCM finger = ly_symbol2scm ("finger");
1650                 t->set_mus_property ("text",  scm_makfrom0str (ds.to_str0 ()));
1651                 t->set_mus_property ("text-type" , finger);
1652                 t->set_spot (THIS->here_input ());
1653                 $$ = t;
1654         }
1655         ;
1656
1657 script_abbreviation:
1658         '^'             {
1659                 $$ = scm_makfrom0str ("Hat");
1660         }
1661         | '+'           {
1662                 $$ = scm_makfrom0str ("Plus");
1663         }
1664         | '-'           {
1665                 $$ = scm_makfrom0str ("Dash");
1666         }
1667         | '|'           {
1668                 $$ = scm_makfrom0str ("Bar");
1669         }
1670         | '>'           {
1671                 $$ = scm_makfrom0str ("Larger");
1672         }
1673         | '.'           {
1674                 $$ = scm_makfrom0str ("Dot");
1675         }
1676         | '_' {
1677                 $$ = scm_makfrom0str ("Underscore");
1678         }
1679         ;
1680
1681 script_dir:
1682         '_'     { $$ = DOWN; }
1683         | '^'   { $$ = UP; }
1684         | '-'   { $$ = CENTER; }
1685         ;
1686
1687 pre_requests:
1688         {
1689                 $$ = new Link_array<Music>;
1690         }
1691         | pre_requests open_request {
1692                 $$->push ($2);
1693         }
1694         ;
1695
1696 absolute_pitch:
1697         steno_pitch     {
1698                 $$ = $1;
1699         }
1700         ;
1701
1702 duration_length:
1703         multiplied_duration {
1704                 $$ = $1;
1705         }
1706         | verbose_duration {
1707                 $$ = $1;
1708         }
1709         ;
1710
1711 optional_notemode_duration:
1712         {
1713                 Duration dd = THIS->default_duration_;
1714                 $$ = dd.smobbed_copy ();
1715
1716                 THIS->beam_check ($$);
1717         }
1718         | multiplied_duration   {
1719                 $$ = $1;
1720                 THIS->default_duration_ = *unsmob_duration ($$);
1721
1722                 THIS->beam_check ($$);
1723         }
1724         | verbose_duration {
1725                 $$ = $1;
1726                 THIS->default_duration_ = *unsmob_duration ($$);
1727         }
1728         ;
1729
1730 steno_duration:
1731         bare_unsigned dots              {
1732                 int l = 0;
1733                 if (!is_duration_b ($1))
1734                         THIS->parser_error (_f ("not a duration: %d", $1));
1735                 else
1736                         l =  intlog2 ($1);
1737
1738                 $$ = Duration (l, $2).smobbed_copy ();
1739         }
1740         | DURATION_IDENTIFIER dots      {
1741                 Duration *d =unsmob_duration ($1);
1742                 Duration k (d->duration_log (),d->dot_count () + $2);
1743                 $$ = k.smobbed_copy ();
1744         }
1745         ;
1746
1747
1748
1749
1750 multiplied_duration:
1751         steno_duration {
1752                 $$ = $1;
1753         }
1754         | multiplied_duration '*' bare_unsigned {
1755                 $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
1756         }
1757         | multiplied_duration '*' FRACTION {
1758                 Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
1759
1760                 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
1761         }
1762         ;
1763
1764 fraction:
1765         FRACTION { $$ = $1; }
1766         | UNSIGNED '/' UNSIGNED {
1767                 $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
1768         }
1769         ;
1770
1771 dots:
1772         /* empty */     {
1773                 $$ = 0;
1774         }
1775         | dots '.' {
1776                 $$ ++;
1777         }
1778         ;
1779
1780
1781 tremolo_type:
1782         ':'     {
1783                 $$ =0;
1784         }
1785         | ':' bare_unsigned {
1786                 if (!is_duration_b ($2))
1787                         THIS->parser_error (_f ("not a duration: %d", $2));
1788                 $$ = $2;
1789         }
1790         ;
1791
1792
1793 bass_number:
1794         DIGIT
1795         | UNSIGNED
1796         ;
1797
1798 bass_mod:
1799         '-'     { $$ = -1; }
1800         | '+'   { $$ = 1; }
1801         | '!'   { $$ = 0; }
1802         ;
1803
1804 bass_figure:
1805         FIGURE_SPACE {
1806                 Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
1807                 $$ = bfr->self_scm();
1808                 scm_gc_unprotect_object ($$);
1809         }
1810         | bass_number  {
1811                 Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
1812                 $$ = bfr->self_scm();
1813
1814                 bfr->set_mus_property ("figure", gh_int2scm ($1));
1815
1816                 scm_gc_unprotect_object ($$);
1817         }
1818         | bass_figure bass_mod {
1819                 Music *m = unsmob_music ($1);
1820                 if ($2) {
1821                         SCM salter =m->get_mus_property ("alteration");
1822                         int alter = gh_number_p ( salter) ? gh_scm2int (salter) : 0;
1823                         m->set_mus_property ("alteration",
1824                                 gh_int2scm (alter + $2));
1825                 } else {
1826                         m->set_mus_property ("alteration", gh_int2scm (0));
1827                 }
1828         }
1829         ;
1830
1831 br_bass_figure:
1832         '[' bass_figure {
1833                 $$ = $2;
1834                 unsmob_music ($$)->set_mus_property ("bracket-start", SCM_BOOL_T);
1835         }
1836         | bass_figure   {
1837                 $$ = $1;
1838         }
1839         | br_bass_figure ']' {
1840                 $$ = $1;
1841                 unsmob_music ($1)->set_mus_property ("bracket-stop", SCM_BOOL_T);
1842         }
1843         ;
1844
1845 figure_list:
1846         /**/            {
1847                 $$ = SCM_EOL;
1848         }
1849         | figure_list br_bass_figure {
1850                 $$ = scm_cons ($2, $1);
1851         }
1852         ;
1853
1854 figure_spec:
1855         FIGURE_OPEN figure_list FIGURE_CLOSE {
1856                 Music * m = MY_MAKE_MUSIC("RequestChord");
1857                 $2 = scm_reverse_x ($2, SCM_EOL);
1858                 m->set_mus_property ("elements",  $2);
1859                 $$ = m->self_scm ();
1860         }
1861         ;
1862
1863
1864 optional_rest:
1865         /**/   { $$ = 0; }
1866         | REST { $$ = 1; }
1867         ;
1868
1869 simple_element:
1870         pitch exclamations questions optional_notemode_duration optional_rest {
1871
1872                 Input i = THIS->pop_spot ();
1873                 if (!THIS->lexer_->note_state_b ())
1874                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1875
1876                 Music *n = 0;
1877                 if ($5)
1878                         n =  MY_MAKE_MUSIC("RestEvent");
1879                 else
1880                         n =  MY_MAKE_MUSIC("NoteEvent");
1881
1882                 n->set_mus_property ("pitch", $1);
1883                 n->set_mus_property ("duration", $4);
1884
1885
1886                 if ($3 % 2)
1887                         n->set_mus_property ("cautionary", SCM_BOOL_T);
1888                 if ($2 % 2 || $3 % 2)
1889                         n->set_mus_property ("force-accidental", SCM_BOOL_T);
1890
1891                 Music *v = MY_MAKE_MUSIC("RequestChord");
1892                 v->set_mus_property ("elements", scm_list_n (n->self_scm (), SCM_UNDEFINED));
1893                 scm_gc_unprotect_object (n->self_scm());
1894
1895                 v->set_spot (i);
1896                 n->set_spot (i);
1897                 $$ = v;
1898         }
1899         | figure_spec optional_notemode_duration {
1900                 Music * m = unsmob_music ($1);
1901                 Input i = THIS->pop_spot ();
1902                 m->set_spot (i);
1903                 for (SCM s = m->get_mus_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
1904                         {
1905                                 unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
1906                         }
1907                 $$ = m;
1908         }
1909         | RESTNAME optional_notemode_duration           {
1910
1911                 Input i = THIS->pop_spot ();
1912                 SCM e = SCM_UNDEFINED;
1913                 if (ly_scm2string ($1) =="s") {
1914                         /* Space */
1915                         Music * skip = MY_MAKE_MUSIC("SkipEvent");
1916                         skip->set_mus_property ("duration" ,$2);
1917                         skip->set_spot (i);
1918                         e = skip->self_scm ();
1919                   }
1920                   else {
1921                         Music * rest_req = MY_MAKE_MUSIC("RestEvent");
1922                         rest_req->set_mus_property ("duration", $2);
1923                         rest_req->set_spot (i);
1924                         e = rest_req->self_scm ();
1925                     }
1926                 Music * velt = MY_MAKE_MUSIC("RequestChord");
1927                 velt-> set_mus_property ("elements", scm_list_n (e,SCM_UNDEFINED));
1928                 velt->set_spot (i);
1929
1930                 $$ = velt;
1931         }
1932         | MULTI_MEASURE_REST optional_notemode_duration         {
1933                 THIS->pop_spot ();
1934
1935                 Music * sk = MY_MAKE_MUSIC("SkipEvent");
1936                 sk->set_mus_property ("duration", $2);
1937                 Music *sp1 = MY_MAKE_MUSIC("SpanEvent");
1938                 Music *sp2 = MY_MAKE_MUSIC("SpanEvent");
1939                 sp1-> set_mus_property ("span-direction", gh_int2scm (START))
1940 ;
1941                 sp2-> set_mus_property ("span-direction", gh_int2scm (STOP))
1942 ;
1943                 SCM r = scm_makfrom0str ("rest");
1944                 sp1->set_mus_property ("span-type", r);
1945                 sp2->set_mus_property ("span-type", r);
1946
1947                 Music *rqc1 = MY_MAKE_MUSIC("RequestChord");
1948                 rqc1->set_mus_property ("elements", scm_list_n (sp1->self_scm (), SCM_UNDEFINED));
1949                 Music *rqc2 = MY_MAKE_MUSIC("RequestChord");
1950                 rqc2->set_mus_property ("elements", scm_list_n (sk->self_scm (), SCM_UNDEFINED));;
1951                 Music *rqc3 = MY_MAKE_MUSIC("RequestChord");
1952                 rqc3->set_mus_property ("elements", scm_list_n (sp2->self_scm (), SCM_UNDEFINED));;
1953
1954                 SCM ms = scm_list_n (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
1955
1956                 $$ = MY_MAKE_MUSIC("SequentialMusic");
1957                 $$->set_mus_property ("elements", ms);
1958         }
1959         | STRING optional_notemode_duration     {
1960                 Input i = THIS->pop_spot ();
1961
1962                 Music * lreq = MY_MAKE_MUSIC("LyricEvent");
1963                 lreq->set_mus_property ("text", $1);
1964                 lreq->set_mus_property ("duration",$2);
1965                 lreq->set_spot (i);
1966                 Music * velt = MY_MAKE_MUSIC("RequestChord");
1967                 velt->set_mus_property ("elements", scm_list_n (lreq->self_scm (), SCM_UNDEFINED));
1968
1969                 $$= velt;
1970         }
1971         | chord {
1972                 THIS->pop_spot ();
1973
1974                 if (!THIS->lexer_->chord_state_b ())
1975                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1976                 $$ = $1;
1977         }
1978         ;
1979
1980
1981 chord:
1982         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1983                 $$ = Chord::get_chord ($1, $3, $4, $5, $6, $2);
1984                 $$->set_spot (THIS->here_input ());
1985         };
1986
1987 chord_additions:
1988         {
1989                 $$ = SCM_EOL;
1990         }
1991         | CHORD_COLON chord_notes {
1992                 $$ = $2;
1993         }
1994         ;
1995
1996 chord_notes:
1997         chord_step {
1998                 $$ = $1;
1999         }
2000         | chord_notes '.' chord_step {
2001                 $$ = gh_append2 ($$, $3);
2002         }
2003         ;
2004
2005 chord_subtractions:
2006         {
2007                 $$ = SCM_EOL;
2008         }
2009         | CHORD_CARET chord_notes {
2010                 $$ = $2;
2011         }
2012         ;
2013
2014
2015 chord_inversion:
2016         {
2017                 $$ = SCM_EOL;
2018         }
2019         | CHORD_SLASH steno_tonic_pitch {
2020                 $$ = $2;
2021         }
2022         ;
2023
2024 chord_bass:
2025         {
2026                 $$ = SCM_EOL;
2027         }
2028         | CHORD_BASS steno_tonic_pitch {
2029                 $$ = $2;
2030         }
2031         ;
2032
2033 chord_step:
2034         chord_note {
2035                 $$ = scm_cons ($1, SCM_EOL);
2036         }
2037         | CHORDMODIFIER_PITCH {
2038                 $$ = scm_cons (unsmob_pitch ($1)->smobbed_copy (), SCM_EOL);
2039         }
2040         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
2041                 $$ = scm_list_n (unsmob_pitch ($1)->smobbed_copy (),
2042                         $2, SCM_UNDEFINED);
2043         }
2044         ;
2045
2046 chord_note:
2047         bare_unsigned {
2048                  Pitch m;
2049                 m.notename_ = ($1 - 1) % 7;
2050                 m.octave_ = $1 > 7 ? 1 : 0;
2051                 m.alteration_ = 0;
2052
2053                 $$ = m.smobbed_copy ();
2054         }
2055         | bare_unsigned '+' {
2056                 Pitch m;
2057                 m.notename_ = ($1 - 1) % 7;
2058                 m.octave_ = $1 > 7 ? 1 : 0;
2059                 m.alteration_ = 1;
2060
2061
2062                 $$ = m.smobbed_copy ();
2063         }
2064         | bare_unsigned CHORD_MINUS {
2065                 Pitch m;
2066                 m.notename_ = ($1 - 1) % 7;
2067                 m.octave_ = $1 > 7 ? 1 : 0;
2068                 m.alteration_ = -1;
2069
2070                 $$ = m.smobbed_copy ();
2071         }
2072         ;
2073
2074 /*
2075         UTILITIES
2076  */
2077 number_expression:
2078         number_expression '+' number_term {
2079                 $$ = scm_sum ($1, $3);
2080         }
2081         | number_expression '-' number_term {
2082                 $$ = scm_difference ($1, $3);
2083         }
2084         | number_term
2085         ;
2086
2087 number_term:
2088         number_factor {
2089                 $$ = $1;
2090         }
2091         | number_factor '*' number_factor {
2092                 $$ = scm_product ($1, $3);
2093         }
2094         | number_factor '/' number_factor {
2095                 $$ = scm_divide ($1, $3);
2096         }
2097         ;
2098
2099 number_factor:
2100         '(' number_expression ')'       {
2101                 $$ = $2;
2102         }
2103         | '-'  number_factor { /* %prec UNARY_MINUS */
2104                 $$ = scm_difference ($2, SCM_UNDEFINED);
2105         }
2106         | bare_number
2107         ;
2108
2109
2110 bare_number:
2111         UNSIGNED        {
2112                 $$ = gh_int2scm ($1);
2113         }
2114         | REAL          {
2115                 $$ = $1;
2116         }
2117         | NUMBER_IDENTIFIER             {
2118                 $$ = $1;
2119         }
2120         | REAL CM_T     {
2121                 $$ = gh_double2scm (gh_scm2double ($1) CM );
2122         }
2123         | REAL PT_T     {
2124                 $$ = gh_double2scm (gh_scm2double ($1) PT);
2125         }
2126         | REAL IN_T     {
2127                 $$ = gh_double2scm (gh_scm2double ($1) INCH);
2128         }
2129         | REAL MM_T     {
2130                 $$ = gh_double2scm (gh_scm2double ($1) MM);
2131         }
2132         | REAL CHAR_T   {
2133                 $$ = gh_double2scm (gh_scm2double ($1) CHAR);
2134         }
2135         ;
2136
2137
2138 bare_unsigned:
2139         UNSIGNED {
2140                         $$ = $1;
2141         }
2142         | DIGIT {
2143                 $$ = $1;
2144         }
2145         ;
2146
2147 bare_int:
2148         bare_number {
2149                 if (scm_integer_p ($1) == SCM_BOOL_T)
2150                 {
2151                         int k = gh_scm2int ($1);
2152                         $$ = k;
2153                 } else
2154                 {
2155                         THIS->parser_error (_ ("need integer number arg"));
2156                         $$ = 0;
2157                 }
2158         }
2159         | '-' bare_int {
2160                 $$ = -$2;
2161         }
2162         ;
2163
2164
2165 string:
2166         STRING          {
2167                 $$ = $1;
2168         }
2169         | STRING_IDENTIFIER     {
2170                 $$ = $1;
2171         }
2172         | string '+' string {
2173                 $$ = scm_string_append (scm_list_n ($1, $3, SCM_UNDEFINED));
2174         }
2175         ;
2176
2177
2178 exclamations:
2179                 { $$ = 0; }
2180         | exclamations '!'      { $$ ++; }
2181         ;
2182
2183 questions:
2184                 { $$ = 0; }
2185         | questions '?' { $$ ++; }
2186         ;
2187
2188
2189 %%
2190
2191 void
2192 My_lily_parser::set_yydebug (bool )
2193 {
2194 #if 0
2195         yydebug = b;
2196 #endif
2197 }
2198
2199 extern My_lily_parser * current_parser;
2200
2201 void
2202 My_lily_parser::do_yyparse ()
2203 {
2204
2205         current_parser = this;;
2206         yyparse ((void*)this);
2207 }
2208
2209
2210 /*
2211 Should make this optional?    It will also complain when you do
2212
2213         [s4]
2214
2215 which is entirely legitimate.
2216
2217 Or we can scrap it. Barchecks should detect wrong durations, and
2218 skipTypesetting speeds it up a lot.
2219 */
2220 void
2221 My_lily_parser::beam_check (SCM dur)
2222 {
2223   Duration *d = unsmob_duration (dur);
2224   if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
2225     {
2226       Music * m = unsmob_music (last_beam_start_);
2227       m->origin ()->warning (_("Suspect duration found following this beam"));
2228     }
2229   last_beam_start_ = SCM_EOL;
2230 }