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1 %{ // -*-Fundamental-*-
2
3 /*
4   parser.yy -- Bison/C++ parser for mudela
5
6   source file of the GNU LilyPond music typesetter
7
8   (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9            Jan Nieuwenhuizen <janneke@gnu.org>
10 */
11
12 #include <iostream.h>
13 #include "lily-guile.hh"
14 #include "translation-property.hh"
15 #include "lookup.hh"
16 #include "misc.hh"
17 #include "my-lily-lexer.hh"
18 #include "paper-def.hh"
19 #include "midi-def.hh"
20 #include "main.hh"
21 #include "file-path.hh"
22 #include "debug.hh"
23 #include "dimensions.hh"
24 #include "identifier.hh"
25 #include "command-request.hh"
26 #include "musical-request.hh"
27 #include "my-lily-parser.hh"
28 #include "context-specced-music.hh"
29 #include "translator-group.hh"
30 #include "score.hh"
31 #include "music-list.hh"
32 #include "change-translator.hh"
33 #include "file-results.hh"
34 #include "input.hh"
35 #include "scope.hh"
36 #include "relative-music.hh"
37 #include "lyric-combine-music.hh"
38 #include "transposed-music.hh"
39 #include "time-scaled-music.hh"
40 #include "repeated-music.hh"
41 #include "mudela-version.hh"
42 #include "grace-music.hh"
43 #include "auto-change-music.hh"
44 #include "part-combine-music.hh"
45 #include "output-property.hh"
46
47 bool
48 is_duration_b (int t)
49 {
50   return t && t == 1 << intlog2(t);
51 }
52
53
54 // mmm JUNKME ?
55 Mudela_version oldest_version ("1.3.59");
56
57 void
58 print_mudela_versions (ostream &os)
59 {
60   os << _f ("Oldest supported input version: %s", oldest_version.str ()) 
61     << endl;
62 }
63
64
65 // needed for bison.simple's malloc() and free()
66 #include <malloc.h>
67
68 #ifndef NDEBUG
69 #define YYDEBUG 1
70 #endif
71
72 #define YYERROR_VERBOSE 1
73
74 #define YYPARSE_PARAM my_lily_parser_l
75 #define YYLEX_PARAM my_lily_parser_l
76 #define THIS ((My_lily_parser *) my_lily_parser_l)
77
78 #define yyerror THIS->parser_error
79 #define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
80
81 %}
82
83
84 %union {
85     Array<Musical_pitch> *pitch_arr;
86     Link_array<Request> *reqvec;
87     Duration *duration;
88     Identifier *id;
89     String * string;
90     Music *music;
91     Score *score;
92     Scope *scope;
93     Interval *interval;
94     Musical_req* musreq;
95     Music_output_def * outputdef;
96     Musical_pitch * pitch;
97     Midi_def* midi;
98     Moment *moment;
99     Real real;
100     Request * request;
101
102     /* We use SCMs to do strings, because it saves us the trouble of
103 deleting them.  Let's hope that a stack overflow doesnt trigger a move
104 of the parse stack onto the heap. */
105
106     SCM scm;
107
108     Tempo_req *tempo;
109     Translator_group* trans;
110     int i;
111 }
112 %{
113
114 int
115 yylex (YYSTYPE *s,  void * v_l)
116 {
117         My_lily_parser   *pars_l = (My_lily_parser*) v_l;
118         My_lily_lexer * lex_l = pars_l->lexer_p_;
119
120         lex_l->lexval_l = (void*) s;
121         return lex_l->yylex ();
122 }
123
124
125 %}
126
127 %pure_parser
128
129 /* tokens which are not keywords */
130 %token AUTOCHANGE
131 %token TEXTSCRIPT
132 %token ACCEPTS
133 %token ALTERNATIVE
134 %token BAR
135 %token BREATHE
136 %token CHORDMODIFIERS
137 %token CHORDS
138 %token CHAR_T
139 %token CLEF
140 %token CM_T
141 %token CONSISTS
142 %token SEQUENTIAL
143 %token SIMULTANEOUS
144 %token CONSISTSEND
145 %token DENIES
146 %token DURATION
147 %token EXTENDER
148 %token FONT
149 %token GRACE
150 %token HEADER
151 %token HYPHEN
152 %token IN_T
153 %token INVALID
154 %token KEY
155 %token LYRICS
156 %token MARK
157 %token MEASURES
158 %token MIDI
159 %token MM_T
160 %token MUSICAL_PITCH
161 %token NAME
162 %token NOTENAMES
163 %token NOTES
164 %token PAPER
165 %token PARTIAL
166 %token PENALTY
167 %token PROPERTY
168 %token PUSHPROPERTY POPPROPERTY
169 %token PT_T
170 %token RELATIVE
171 %token REMOVE
172 %token REPEAT
173 %token ADDLYRICS
174 %token PARTCOMBINE
175 %token SCM_T
176 %token SCORE
177 %token SCRIPT
178 %token SKIP
179 %token SPANREQUEST
180 %token COMMANDSPANREQUEST
181 %token TEMPO
182 %token OUTPUTPROPERTY
183 %token TIME_T
184 %token TIMES
185 %token TRANSLATOR
186 %token TRANSPOSE
187 %token TYPE
188 %token CONTEXT
189
190 /* escaped */
191 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER 
192 %token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET 
193
194 %type <i>       exclamations questions
195 %token <i>      DIGIT
196 %token <pitch>  NOTENAME_PITCH
197 %token <pitch>  TONICNAME_PITCH
198 %token <pitch>  CHORDMODIFIER_PITCH
199 %token <id>     DURATION_IDENTIFIER
200 %token <id>     IDENTIFIER
201 %token <id>     TRANS_IDENTIFIER
202
203 %token <id>     SCORE_IDENTIFIER
204 %token <id>     MUSIC_OUTPUT_DEF_IDENTIFIER
205
206 %token <scm>    NUMBER_IDENTIFIER
207 %token <scm>    REQUEST_IDENTIFIER
208 %token <scm>    MUSIC_IDENTIFIER
209 %token <scm>    STRING_IDENTIFIER SCM_IDENTIFIER 
210 %token <scm>    DURATION RESTNAME
211 %token <scm>    STRING 
212 %token <scm>    SCM_T
213 %token <i>      UNSIGNED
214 %token <real>   REAL
215
216 %type <outputdef> output_def
217 %type <scope>   mudela_header mudela_header_body
218 %type <request> open_request_parens close_request_parens open_request close_request
219 %type <request> request_with_dir request_that_take_dir verbose_request
220 %type <i>       sub_quotes sup_quotes
221 %type <music>   simple_element  request_chord command_element Simple_music  Composite_music 
222 %type <music>   Alternative_music Repeated_music
223 %type <i>       tremolo_type
224 %type <i>       bare_int  bare_unsigned
225 %type <i>       script_dir
226
227 %type <scm>     identifier_init 
228
229 %type <duration> steno_duration optional_notemode_duration
230 %type <duration> entered_notemode_duration explicit_duration
231         
232 %type <reqvec>  pre_requests post_requests
233 %type <request> gen_text_def
234 %type <pitch>   steno_musical_pitch musical_pitch absolute_musical_pitch
235 %type <pitch>   steno_tonic_pitch
236
237 %type <pitch_arr>       chord_additions chord_subtractions chord_notes chord_step
238 %type <music>   chord
239 %type <pitch>   chord_note chord_inversion chord_bass
240 %type <duration>        duration_length
241
242 %type <scm>  embedded_scm scalar
243 %type <music>   Music Sequential_music Simultaneous_music Music_sequence
244 %type <music>   relative_music re_rhythmed_music part_combined_music
245 %type <music>   property_def translator_change
246 %type <scm> Music_list
247 %type <outputdef>  music_output_def_body
248 %type <request> shorthand_command_req
249 %type <request> post_request 
250 %type <request> command_req verbose_command_req
251 %type <request> extender_req
252 %type <request> hyphen_req
253 %type <scm>     string bare_number number_expression
254 %type <score>   score_block score_body
255
256 %type <trans>   translator_spec_block translator_spec_body
257 %type <tempo>   tempo_request
258 %type <scm> notenames_body notenames_block chordmodifiers_block
259 %type <scm>     script_abbreviation
260
261
262
263 %left '-' '+'
264 %left '*' '/'
265 %left UNARY_MINUS
266
267 %%
268
269 mudela: /* empty */
270         | mudela toplevel_expression {}
271         | mudela assignment  { }
272         | mudela error
273         | mudela INVALID        {
274                 THIS->error_level_i_  =1;
275         }
276         ;
277
278 toplevel_expression:
279         notenames_block                 {
280                 THIS->lexer_p_->pitchname_tab_ =  $1;
281         }
282         | chordmodifiers_block                  {
283                 THIS->lexer_p_->chordmodifier_tab_  = $1;
284         }
285         | mudela_header {
286                 delete header_global_p;
287                 header_global_p = $1;
288         }
289         | score_block {
290                 score_global_array.push ($1);
291         }
292         | output_def {
293                 Identifier * id = new
294                         Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER);
295                 if (dynamic_cast<Paper_def*> ($1))
296                         THIS->lexer_p_->set_identifier ("$defaultpaper", id->self_scm ());
297                 else if (dynamic_cast<Midi_def*> ($1))
298                         THIS->lexer_p_->set_identifier ("$defaultmidi", id->self_scm ());
299         }
300         | embedded_scm {
301                 // junk value
302         }       
303         ;
304
305 embedded_scm:
306         SCM_T
307         | SCM_IDENTIFIER 
308         ;
309
310
311 chordmodifiers_block:
312         CHORDMODIFIERS notenames_body   {  $$ = $2; }
313         ;
314
315
316 notenames_block:
317         NOTENAMES notenames_body   {  $$ = $2; }
318         ;
319
320
321
322 notenames_body:
323         embedded_scm    {
324           int i = scm_ilength ($1);
325
326           SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
327           for (SCM s = $1; s != SCM_EOL; s = gh_cdr (s)) {
328                 SCM pt = gh_cdar (s);
329                 if (scm_ilength (pt) != 3)
330                         THIS->parser_error ("Need three args");
331                 scm_hashq_set_x (tab, gh_caar(s), pt);
332           }
333
334           $$ = tab;
335         }
336         ;
337
338 mudela_header_body:
339         {
340                 $$ = new Scope;
341                 THIS->lexer_p_-> scope_l_arr_.push ($$);
342         }
343         | mudela_header_body assignment semicolon { 
344
345         }
346         ;
347
348 mudela_header:
349         HEADER '{' mudela_header_body '}'       {
350                 $$ = $3;
351                 THIS->lexer_p_-> scope_l_arr_.pop ();           
352         }
353         ;
354
355
356 /*
357         DECLARATIONS
358 */
359 assignment:
360         STRING {
361                 THIS->remember_spot ();
362         }
363         /* cont */ '=' identifier_init  {
364                 THIS->lexer_p_->set_identifier (ly_scm2string ($1), $4);
365
366 /*
367  TODO: devise standard for protection in parser.
368                 if (SCM_NIMP($4))
369                         scm_unprotect_object ($4);
370
371   The parser stack lives on the C-stack, which means that
372 all objects can be unprotected as soon as they're here.
373
374 */
375                 Identifier * id =unsmob_identifier ($4);
376                 Input spot = THIS->pop_spot ();
377                 if (id) id->set_spot (spot);
378         }
379         ;
380
381
382
383 identifier_init:
384         score_block {
385                 $$ = (new Score_identifier ($1, SCORE_IDENTIFIER))->self_scm();
386         }
387         | output_def {
388                 $$ = (new Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER))->self_scm();
389         }
390         | translator_spec_block {
391                 $$ = (new Translator_group_identifier ($1, TRANS_IDENTIFIER))->self_scm();
392         }
393         | Music  {
394                 $$ = $1->self_scm ();
395         }
396         | post_request {
397                 $$ = $1->self_scm ();
398         }
399         | explicit_duration {
400                 $$ = (new Duration_identifier ($1, DURATION_IDENTIFIER))->self_scm ();
401         }
402         | number_expression {
403                 $$ = $1;
404         }
405         | string {
406                 $$ = $1;
407         }
408         | embedded_scm  {
409                 $$ = $1;
410         }
411         ;
412
413 translator_spec_block:
414         TRANSLATOR '{' translator_spec_body '}'
415                 {
416                 $$ = $3;
417         }
418         ;
419
420 translator_spec_body:
421         TRANS_IDENTIFIER        {
422                 $$ = $1->access_content_Translator_group (true);
423                 $$-> set_spot (THIS->here_input ());
424         }
425         | TYPE STRING semicolon {
426                 Translator* t = get_translator_l (ly_scm2string ($2));
427                 Translator_group * tg = dynamic_cast<Translator_group*> (t);
428
429                 if (!tg)
430                         THIS->parser_error (_("Need a translator group for a context"));
431                 
432                 tg = dynamic_cast<Translator_group*> (t->clone ());
433                 tg->set_spot (THIS->here_input ());
434                 $$ = tg;
435         }
436         | translator_spec_body STRING '=' embedded_scm                  {
437                 Translator_group* tg = $$;
438                 tg->set_property (ly_scm2string ($2), $4);
439         }
440         | translator_spec_body STRING '=' identifier_init semicolon     { 
441                 SCM v = gh_int2scm (0);
442                 if (gh_string_p ($4) || gh_number_p ($4) || gh_boolean_p ($4))
443                         v = $4;
444                 else 
445                         THIS->parser_error (_("Wrong type for property value"));
446
447                 /* ugh*/
448                 Translator_group* tg = dynamic_cast<Translator_group*> ($$);
449                 
450                 tg->set_property (ly_scm2string ($2), v);
451         }
452         | translator_spec_body NAME STRING semicolon {
453                 $$->type_str_ = ly_scm2string ($3);
454         }
455         | translator_spec_body CONSISTS STRING semicolon {
456                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
457         }
458         | translator_spec_body CONSISTSEND STRING semicolon {
459                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
460         }
461         | translator_spec_body ACCEPTS STRING semicolon {
462                 dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), true);
463         }
464         | translator_spec_body DENIES STRING semicolon {
465                 dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), false);
466         }
467         | translator_spec_body REMOVE STRING semicolon {
468                 dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), false);
469         }
470         ;
471
472 /*
473         SCORE
474 */
475 score_block:
476         SCORE { 
477         }
478         /*cont*/ '{' score_body '}'     {
479                 $$ = $4;
480                 if (!$$->def_p_arr_.size ())
481                 {
482                   Identifier *id =
483                         unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
484                   $$->add_output (id ? id->access_content_Music_output_def (true) : new Paper_def );
485                 }
486         }
487         ;
488
489 score_body:
490         Music   {
491                 $$ = new Score;
492
493                 $$->set_spot (THIS->here_input ());
494                 SCM m = $1->self_scm ();
495 //              scm_unprotect_object (m);
496                 $$->music_ = m;
497         }
498         | SCORE_IDENTIFIER {
499                 $$ = $1->access_content_Score (true);
500         }
501         | score_body mudela_header      {
502                 $$->header_p_ = $2;
503         }
504         | score_body output_def {
505                 $$->add_output ($2);
506         }
507         | score_body error {
508
509         }
510         ;
511
512
513 /*
514         MIDI
515 */
516 output_def:
517         music_output_def_body '}' {
518                 $$ = $1;
519                 THIS-> lexer_p_-> scope_l_arr_.pop();
520         }
521         ;
522
523 music_output_def_body:
524         MIDI '{'    {
525          Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultmidi"));
526
527                 
528          Midi_def* p =0;
529         if (id)
530                 p = dynamic_cast<Midi_def*> (id->access_content_Music_output_def (true));
531         else
532                 p = new Midi_def;
533
534          $$ = p;
535          THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
536         }
537         | PAPER '{'     {
538                   Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
539                   Paper_def *p = 0;
540                 if (id)
541                         p = dynamic_cast<Paper_def*> (id->access_content_Music_output_def (true));
542                 else
543                         p = new Paper_def;
544                 THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
545                 $$ = p;
546         }
547         | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
548                 Music_output_def *p = $3->access_content_Music_output_def (true);
549                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
550                 $$ = p;
551         }
552         | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
553                 Music_output_def *p = $3->access_content_Music_output_def (true);
554                 THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
555                 $$ = p;
556         }
557         | music_output_def_body assignment semicolon {
558
559         }
560         | music_output_def_body translator_spec_block   {
561                 $$-> assign_translator ($2);
562         }
563         | music_output_def_body tempo_request semicolon {
564                 /*
565                         junk this ? there already is tempo stuff in
566                         music.
567                 */
568                 dynamic_cast<Midi_def*> ($$)->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
569         }
570         | music_output_def_body bare_int '=' FONT STRING                { // ugh, what a syntax
571                 SCM sl = Lookup::make_lookup();
572                 Lookup * l =unsmob_lookup (sl);
573                 l->font_name_ = ly_scm2string ($5);
574                 dynamic_cast<Paper_def*> ($$)->set_lookup ($2, sl);
575         }
576         | music_output_def_body error {
577
578         }
579         ;
580
581 tempo_request:
582         TEMPO steno_duration '=' bare_unsigned  {
583                 $$ = new Tempo_req;
584                 $$->dur_ = *$2;
585                 delete $2;
586                 $$-> metronome_i_ = $4;
587         }
588         ;
589
590 Music_list: /* empty */ {
591                 $$ = gh_cons (SCM_EOL, SCM_EOL);
592         }
593         | Music_list Music {
594                 SCM s = $$;
595                 SCM c = gh_cons ($2->self_scm (), SCM_EOL);
596 //              scm_unprotect_object ($2->self_scm ()); /* UGH */
597
598         
599                 if (gh_pair_p (gh_cdr (s)))
600                         gh_set_cdr_x (gh_cdr (s), c); /* append */
601                 else
602                         gh_set_car_x (s, c); /* set first cons */
603                 gh_set_cdr_x (s, c) ;  /* remember last cell */ 
604         }
605         | Music_list error {
606         }
607         ;
608
609
610 Music:
611         Simple_music
612         | Composite_music
613         ;
614
615 Alternative_music:
616         /* empty */ {
617                 $$ = 0;
618         }
619         | ALTERNATIVE Music_sequence {
620                 $$ = $2;
621                 $2->set_spot (THIS->here_input ());
622         }
623         ;
624
625
626
627
628 Repeated_music:
629         REPEAT STRING bare_unsigned Music Alternative_music
630         {
631                 Music_sequence* m = dynamic_cast <Music_sequence*> ($5);
632                 if (m && $3 < m->length_i ())
633                         $5->origin ()->warning (_ ("More alternatives than repeats.  Junking excess alternatives."));
634
635                 Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
636                 $$ = r;
637                 r->type_ = ly_scm2string ($2);
638                 r->fold_b_ = (r->type_ == "fold");
639                 r->volta_fold_b_ =  (r->type_ == "volta");
640                 r->set_spot (*$4->origin ());
641         }
642         ;
643
644 Music_sequence: '{' Music_list '}'      {
645                 $$ = new Music_sequence (gh_car ($2));
646         }
647         ;
648
649 Sequential_music:
650         SEQUENTIAL '{' Music_list '}'           {
651                 $$ = new Sequential_music (gh_car ($3));
652         }
653         | '{' Music_list '}'            {
654                 $$ = new Sequential_music (gh_car ($2));
655         }
656         ;
657
658 Simultaneous_music:
659         SIMULTANEOUS '{' Music_list '}'{
660                 $$ = new Simultaneous_music (gh_car ($3));
661         }
662         | '<' Music_list '>'    {
663                 $$ = new Simultaneous_music (gh_car ($2));
664         }
665         ;
666
667 Simple_music:
668         request_chord           { $$ = $1; }
669         | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
670                 SCM pred = $2;
671                 if (!gh_symbol_p ($3))
672                 {
673                         THIS->parser_error (_("Second argument must be a symbol")); 
674                 }
675                 /*hould check # args */
676                 if (!gh_procedure_p (pred))
677                 {
678                         THIS->parser_error (_("First argument must be a procedure taking 1 argument"));
679                 }
680         
681                 $$ = new Output_property (pred,$3, $5);
682         }
683         | MUSIC_IDENTIFIER { $$ = unsmob_music ($1)->clone (); }
684         | property_def
685         | PUSHPROPERTY embedded_scm embedded_scm embedded_scm {
686                 $$ = new Push_translation_property;
687                 $$->set_mus_property ("symbols", $2);
688                 $$->set_mus_property ("element-property", $3);
689                 $$->set_mus_property ("element-value", $4);
690         }
691         | POPPROPERTY  embedded_scm embedded_scm {
692                 $$ = new Pop_translation_property;
693                 $$->set_mus_property ("symbols", $2);
694                 $$->set_mus_property ("element-property", $3);
695         }
696         | translator_change
697         | Simple_music '*' bare_unsigned '/' bare_unsigned      {
698                 $$ = $1;
699                 $$->compress (Moment($3, $5 ));
700         }
701         | Simple_music '*' bare_unsigned                 {
702                 $$ = $1;
703                 $$->compress (Moment ($3, 1));
704         }
705         ;
706
707
708 Composite_music:
709         CONTEXT STRING Music    {
710                 Context_specced_music *csm =  new Context_specced_music ($3);
711
712                 csm->translator_type_str_ = ly_scm2string ($2);
713                 csm->translator_id_str_ = "";
714
715
716                 $$ = csm;
717         }
718         | AUTOCHANGE STRING Music       {
719                 Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
720
721                 $$ = chm;
722                 chm->set_spot (*$3->origin ());
723         }
724         | GRACE Music {
725                 $$ = new Grace_music ($2);
726         }
727         | CONTEXT STRING '=' STRING Music {
728                 Context_specced_music *csm =  new Context_specced_music ($5);
729
730                 csm->translator_type_str_ = ly_scm2string ($2);
731                 csm->translator_id_str_ = ly_scm2string ($4);
732
733                 $$ = csm;
734         }
735         | TIMES {
736                 THIS->remember_spot ();
737         }
738         /* CONTINUED */ 
739                 bare_unsigned '/' bare_unsigned Music   
740
741         {
742                 $$ = new Time_scaled_music ($3, $5, $6);
743                 $$->set_spot (THIS->pop_spot ());
744         }
745         | Repeated_music                { $$ = $1; }
746         | Simultaneous_music            { $$ = $1; }
747         | Sequential_music              { $$ = $1; }
748         | TRANSPOSE musical_pitch Music {
749                 $$ = new Transposed_music ($3, *$2);
750                 delete $2; // ugh
751         }
752         | TRANSPOSE steno_tonic_pitch Music {
753                 $$ = new Transposed_music ($3, *$2);
754                 delete $2; // ugh
755         }
756         | NOTES
757                 { THIS->lexer_p_->push_note_state (); }
758         Music
759                 { $$ = $3;
760                   THIS->lexer_p_->pop_state ();
761                 }
762         | CHORDS
763                 { THIS->lexer_p_->push_chord_state (); }
764         Music
765                 {
766                   $$ = $3;
767                   THIS->lexer_p_->pop_state ();
768         }
769         | LYRICS
770                 { THIS->lexer_p_->push_lyric_state (); }
771         Music
772                 {
773                   $$ = $3;
774                   THIS->lexer_p_->pop_state ();
775         }
776         | relative_music        { $$ = $1; }
777         | re_rhythmed_music     { $$ = $1; } 
778         | part_combined_music   { $$ = $1; } 
779         ;
780
781 relative_music:
782         RELATIVE absolute_musical_pitch Music {
783                 $$ = new Relative_octave_music ($3, *$2);
784                 delete $2; // ugh
785         }
786         ;
787
788 re_rhythmed_music:
789         ADDLYRICS Music Music {
790                 Lyric_combine_music * l = new Lyric_combine_music ($2, $3);
791                 $$ = l;
792         }
793         ;
794
795 part_combined_music:
796         PARTCOMBINE STRING Music Music {
797                 Part_combine_music * p = new Part_combine_music (ly_scm2string ($2), $3, $4);
798                 $$ = p;
799         }
800         ;
801
802 translator_change:
803         TRANSLATOR STRING '=' STRING  {
804                 Change_translator * t = new Change_translator;
805                 t-> change_to_type_str_ = ly_scm2string ($2);
806                 t-> change_to_id_str_ = ly_scm2string ($4);
807
808                 $$ = t;
809                 $$->set_spot (THIS->here_input ());
810         }
811         ;
812
813 property_def:
814         PROPERTY STRING '.' STRING '='  scalar {
815                 Translation_property *t = new Translation_property;
816
817                 t->set_mus_property ("symbol", scm_string_to_symbol ($4));
818                 t->set_mus_property ("value", $6);
819
820                 Context_specced_music *csm = new Context_specced_music (t);
821                 $$ = csm;
822                 $$->set_spot (THIS->here_input ());
823
824                 csm-> translator_type_str_ = ly_scm2string ($2);
825         }
826         ;
827
828 scalar:
829         string          { $$ = $1; }
830         | bare_int      { $$ = gh_int2scm ($1); }
831         | embedded_scm  { $$ = $1; }
832         ;
833
834
835 request_chord:
836         pre_requests simple_element post_requests       {
837                 Music_sequence *l = dynamic_cast<Music_sequence*>($2);
838                 if (l) {
839                         for (int i=0; i < $1->size(); i++)
840                                 l->append_music ($1->elem(i));
841                         for (int i=0; i < $3->size(); i++)
842                                 l->append_music ($3->elem(i));
843                         }
844                 else
845                         programming_error ("Need Sequence to add music to");
846                 $$ = $2;
847                 
848         }
849         | command_element
850         ;
851
852 command_element:
853         command_req {
854                 $$ = new Request_chord (gh_cons ($1->self_scm (), SCM_EOL));
855                 $$-> set_spot (THIS->here_input ());
856                 $1-> set_spot (THIS->here_input ());
857         }
858         | PARTIAL duration_length ';'   {
859                 Translation_property * p = new Translation_property;
860                 p->set_mus_property ("symbol", ly_symbol2scm ( "measurePosition"));
861                 Moment m = - $2->length_mom ();
862                 p->set_mus_property ("value", m.make_scm());
863                 delete $2; // ugh
864                 Context_specced_music * sp = new Context_specced_music (p);
865                 $$ =sp ;
866                 sp-> translator_type_str_ = "Score";
867         }
868         ;
869
870 command_req:
871         shorthand_command_req
872         | verbose_command_req semicolon { $$ = $1; }
873         ;
874
875 shorthand_command_req:
876         extender_req {
877                 $$ = $1;
878         }
879         | hyphen_req {
880                 $$ = $1;
881         }
882         | '|'                           {
883                 $$ = new Barcheck_req;
884         }
885         | '~'   {
886                 $$ = new Tie_req;
887         }
888         | '['           {
889                 Span_req*b= new Span_req;
890                 b->span_dir_ = START;
891                 b->span_type_str_ = "beam";
892                 $$ =b;
893         }
894         | ']'           {
895              Span_req*b= new Span_req;
896              b->span_dir_ = STOP;
897              b->span_type_str_ = "beam";
898              $$ = b;
899         }
900         | BREATHE {
901                 $$ = new Breathing_sign_req;
902         }
903         ;
904
905
906 verbose_command_req:
907         
908         BAR STRING                      {
909                 $$ = new Bar_req (ly_scm2string ($2));
910         }
911         | COMMANDSPANREQUEST bare_int STRING {
912                 Span_req * sp_p = new Span_req;
913                 sp_p-> span_dir_  = Direction($2);
914                 sp_p->span_type_str_ = ly_scm2string ($3);
915                 sp_p->set_spot (THIS->here_input ());
916                 $$ = sp_p;
917         }
918         | MARK  {
919                 Mark_req * m = new Mark_req;
920                 $$ = m;
921         }
922         | MARK STRING {
923                 Mark_req *m = new Mark_req;
924                 m->set_mus_property ("label", $2);
925                 $$ = m;
926
927         }
928         | MARK bare_unsigned {
929                 Mark_req *m = new Mark_req;
930                 m->set_mus_property ("label",  gh_int2scm ($2));
931                 $$ = m;
932         }
933
934         | TIME_T bare_unsigned '/' bare_unsigned        {
935                 Time_signature_change_req *m = new Time_signature_change_req;
936                 m->beats_i_ = $2;
937                 m->one_beat_i_=$4;
938                 $$ = m;
939         }
940         | PENALTY bare_int      {
941                 Break_req * b = new Break_req;
942                 b->penalty_f_ = $2 / 100.0;
943                 b->set_spot (THIS->here_input ());
944                 $$ = b;
945         }
946         | SKIP duration_length {
947                 Skip_req * skip_p = new Skip_req;
948                 skip_p->duration_ = *$2;
949                 delete $2; // ugh
950                 $$ = skip_p;
951         }
952         | tempo_request {
953                 $$ = $1;
954         }
955         | CLEF STRING {
956                 $$ = new Clef_change_req (ly_scm2string ($2));
957
958         }
959         | KEY {
960                 Key_change_req *key_p= new Key_change_req;
961                 $$ = key_p;
962         }
963         | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
964                 Key_change_req *key_p= new Key_change_req;
965                 
966                 key_p->set_mus_property ("pitch-alist", $3);
967                 ((Music* )key_p)->transpose (* $2);
968                 $$ = key_p; 
969         }
970         ;
971
972 post_requests:
973         {
974                 $$ = new Link_array<Request>;
975         }
976         | post_requests post_request {
977                 $2->set_spot (THIS->here_input ());
978                 $$->push ($2);
979         }
980         ;
981
982 post_request:
983         verbose_request
984         | request_with_dir
985         | close_request
986         ;
987
988
989 request_that_take_dir:
990         gen_text_def
991         | verbose_request
992         | script_abbreviation {
993                 SCM s = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($1));
994                 Articulation_req *a = new Articulation_req;
995                 if (gh_string_p (s))
996                         a->articulation_str_ = ly_scm2string (s);
997                 else THIS->parser_error (_ ("Expecting string as script definition"));
998                 $$ = a;
999         }
1000         ;
1001
1002 request_with_dir:
1003         script_dir request_that_take_dir        {
1004                 if (Script_req * gs = dynamic_cast<Script_req*> ($2))
1005                         gs->dir_ = Direction ($1);
1006                 else if ($1)
1007                         $2->origin ()->warning (_ ("Can't specify direction for this request"));
1008                 $$ = $2;
1009         }
1010         ;
1011         
1012 verbose_request:
1013         REQUEST_IDENTIFIER      {
1014                 $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
1015                 $$->set_spot (THIS->here_input ());
1016         }
1017         | TEXTSCRIPT STRING STRING      {
1018                 Text_script_req *ts_p = new Text_script_req;
1019                 ts_p-> text_str_ = ly_scm2string ($2);
1020                 ts_p-> style_str_ = ly_scm2string ($3);
1021                 ts_p->set_spot (THIS->here_input ());
1022
1023                 $$ = ts_p;
1024         }
1025         | SPANREQUEST bare_int STRING {
1026                 Span_req * sp_p = new Span_req;
1027                 sp_p->span_dir_  = Direction($2);
1028                 sp_p->span_type_str_ = ly_scm2string ($3);
1029                 sp_p->set_spot (THIS->here_input ());
1030                 $$ = sp_p;
1031         }
1032         | tremolo_type  {
1033                 Tremolo_req* a = new Tremolo_req;
1034                 a->set_spot (THIS->here_input ());
1035                 a->type_i_ = $1;
1036                 $$ = a;
1037         }
1038         | SCRIPT STRING         { 
1039                 Articulation_req * a = new Articulation_req;
1040                 a->articulation_str_ = ly_scm2string ($2);
1041                 a->set_spot (THIS->here_input ());
1042                 $$ = a;
1043         }
1044         ;
1045
1046 sup_quotes:
1047         '\'' {
1048                 $$ = 1;
1049         }
1050         | sup_quotes '\'' {
1051                 $$ ++;
1052         }
1053         ;
1054
1055 sub_quotes:
1056         ',' {
1057                 $$ = 1;
1058         }
1059         | sub_quotes ',' {
1060                 $$ ++ ;
1061         }
1062         ;
1063
1064 steno_musical_pitch:
1065         NOTENAME_PITCH  {
1066                 $$ = $1;
1067         }
1068         | NOTENAME_PITCH sup_quotes     {
1069                 $$ = $1;
1070                 $$->octave_i_ +=  $2;
1071         }
1072         | NOTENAME_PITCH sub_quotes      {
1073                 $$ = $1;
1074                 $$->octave_i_ += - $2;
1075         }
1076         ;
1077
1078 steno_tonic_pitch:
1079         TONICNAME_PITCH {
1080                 $$ = $1;
1081         }
1082         | TONICNAME_PITCH sup_quotes    {
1083                 $$ = $1;
1084                 $$->octave_i_ +=  $2;
1085         }
1086         | TONICNAME_PITCH sub_quotes     {
1087                 $$ = $1;
1088                 $$->octave_i_ += - $2;
1089         }
1090         ;
1091
1092 musical_pitch:
1093         steno_musical_pitch {
1094                 $$ = $1;
1095         }
1096         | MUSICAL_PITCH embedded_scm {
1097                 int sz = scm_ilength ($2);
1098                 if (sz != 3) {
1099                         THIS->parser_error (_f ("Expecting %d arguments", 3));
1100                         $2 = gh_list (gh_int2scm (0), gh_int2scm (0), gh_int2scm (0), SCM_UNDEFINED);
1101                 }
1102                 $$ = new Musical_pitch ($2);
1103         }
1104         ;
1105
1106 explicit_duration:
1107         DURATION embedded_scm   {
1108                 $$ = new Duration;
1109                 if (scm_ilength ($2) == 2)
1110                         {
1111                         $$-> durlog_i_ = gh_scm2int (gh_car($2));
1112                         $$-> dots_i_ = gh_scm2int (gh_cadr($2));
1113                         }
1114                 else
1115                         THIS->parser_error (_("Must have 2 arguments for duration"));
1116         }
1117         ;
1118
1119 extender_req:
1120         EXTENDER {
1121                 if (!THIS->lexer_p_->lyric_state_b ())
1122                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1123                 $$ = new Extender_req;
1124         }
1125         ;
1126
1127 hyphen_req:
1128         HYPHEN {
1129                 if (!THIS->lexer_p_->lyric_state_b ())
1130                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1131                 $$ = new Hyphen_req;
1132         }
1133         ;
1134
1135 close_request:
1136         close_request_parens {
1137                 $$ = $1;
1138                 dynamic_cast<Span_req*> ($$)->span_dir_ = START;
1139         }
1140         
1141 close_request_parens:
1142         '('     {
1143                 Span_req* s= new Span_req;
1144                 $$ = s;
1145                 s->span_type_str_ = "slur";
1146         }
1147         | E_SMALLER {
1148                 Span_req*s =new Span_req;
1149                 $$ = s;
1150                 s->span_type_str_ = "crescendo";
1151         }
1152         | E_BIGGER {
1153                 Span_req*s =new Span_req;
1154                 $$ = s;
1155                 s->span_type_str_ = "decrescendo";
1156         }
1157         ;
1158
1159
1160 open_request:
1161         open_request_parens {
1162                 $$ = $1;
1163                 dynamic_cast<Span_req*> ($$)->span_dir_ = STOP;
1164         }
1165         ;
1166
1167 open_request_parens:
1168         E_EXCLAMATION   {
1169                 Span_req *s =  new Span_req;
1170                 s->span_type_str_ = "crescendo";
1171                 $$ = s;
1172         }
1173         | ')'   {
1174                 Span_req* s= new Span_req;
1175                 $$ = s;
1176                 s->span_type_str_ = "slur";
1177         }
1178         ;
1179
1180 gen_text_def:
1181         string {
1182                 Text_script_req *t  = new Text_script_req;
1183                 $$ = t;
1184                 t->text_str_ = ly_scm2string ($1);
1185
1186                 $$->set_spot (THIS->here_input ());
1187         }
1188         | DIGIT {
1189                 Text_script_req* t  = new Text_script_req;
1190                 $$ = t;
1191                 t->text_str_ = to_str ($1);
1192                 t->style_str_ = "finger";
1193                 $$->set_spot (THIS->here_input ());
1194         }
1195         ;
1196
1197 script_abbreviation:
1198         '^'             {
1199                 $$ = gh_str02scm  ("hat");
1200         }
1201         | '+'           {
1202                 $$ = gh_str02scm("plus");
1203         }
1204         | '-'           {
1205                 $$ = gh_str02scm ("dash");
1206         }
1207         | '|'           {
1208                 $$ = gh_str02scm ("bar");
1209         }
1210         | '>'           {
1211                 $$ = gh_str02scm ("larger");
1212         }
1213         | '.'           {
1214                 $$ = gh_str02scm ("dot");
1215         }
1216         ;
1217
1218
1219 script_dir:
1220         '_'     { $$ = DOWN; }
1221         | '^'   { $$ = UP; }
1222         | '-'   { $$ = CENTER; }
1223         ;
1224
1225 pre_requests:
1226         {
1227                 $$ = new Link_array<Request>;
1228         }
1229         | pre_requests open_request {
1230                 $$->push ($2);
1231         }
1232         ;
1233
1234 absolute_musical_pitch:
1235         steno_musical_pitch     {
1236                 $$ = $1;
1237         }
1238         ;
1239
1240 duration_length:
1241         steno_duration {
1242                 $$ = $1;
1243         }
1244         | duration_length '*' bare_unsigned {
1245                 $$->tuplet_iso_i_ *= $3;
1246         }
1247         | duration_length '/' bare_unsigned {
1248                 $$->tuplet_type_i_ *= $3;
1249         }
1250         ;
1251
1252 entered_notemode_duration:
1253         steno_duration  {
1254                 THIS->set_last_duration ($1);
1255         }
1256         ;
1257
1258 optional_notemode_duration:
1259         {
1260                 $$ = new Duration (THIS->default_duration_);
1261         }
1262         | entered_notemode_duration {
1263                 $$ = $1;
1264         }
1265         ;
1266
1267 steno_duration:
1268         bare_unsigned           {
1269                 $$ = new Duration;
1270                 if (!is_duration_b ($1))
1271                         THIS->parser_error (_f ("not a duration: %d", $1));
1272                 else {
1273                         $$->durlog_i_ = intlog2 ($1);
1274                      }
1275         }
1276         | DURATION_IDENTIFIER   {
1277                 $$ = $1->access_content_Duration (true);
1278         }
1279         | steno_duration '.'    {
1280                 $$->dots_i_ ++;
1281         }
1282         ;
1283
1284
1285 tremolo_type: 
1286         ':'     {
1287                 $$ =0;
1288         }
1289         | ':' bare_unsigned {
1290                 if (!is_duration_b ($2))
1291                         THIS->parser_error (_f ("not a duration: %d", $2));
1292                 $$ = $2;
1293         }
1294         ;
1295
1296
1297 simple_element:
1298         musical_pitch exclamations questions optional_notemode_duration {
1299                 if (!THIS->lexer_p_->note_state_b ())
1300                         THIS->parser_error (_ ("Have to be in Note mode for notes"));
1301
1302
1303                 Note_req *n = new Note_req;
1304                 
1305                 n->pitch_ = *$1;
1306                 n->duration_ = *$4;
1307
1308                 n->cautionary_b_ = $3 % 2;
1309                 n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
1310
1311
1312                 Simultaneous_music*v = new Request_chord (gh_list (n->self_scm (), SCM_UNDEFINED));
1313                 v->set_spot ($1->spot ());
1314                 n->set_spot ($1->spot ());
1315                 $$ = v;
1316
1317                 delete $1;
1318                 delete $4;
1319         }
1320         | RESTNAME optional_notemode_duration           {
1321
1322                 SCM e = SCM_UNDEFINED;
1323                   if (ly_scm2string ($1) =="s")
1324                     { /* Space */
1325                       Skip_req * skip_p = new Skip_req;
1326                       skip_p->duration_ = *$2;
1327
1328                       skip_p->set_spot (THIS->here_input());
1329                         e = skip_p->self_scm ();
1330                     }
1331                   else
1332                     {
1333                       Rest_req * rest_req_p = new Rest_req;
1334                       rest_req_p->duration_ = *$2;
1335                       rest_req_p->set_spot (THIS->here_input());
1336                         e = rest_req_p->self_scm ();
1337                     }
1338                   Simultaneous_music* velt_p = new Request_chord (gh_list (e,SCM_UNDEFINED));
1339                   velt_p->set_spot (THIS->here_input());
1340
1341                   delete $2; // ugh
1342                   $$ = velt_p;
1343         }
1344         | MEASURES optional_notemode_duration   {
1345                 Skip_req * sk = new Skip_req;
1346                 sk->duration_ = *$2;
1347                 
1348
1349                 Span_req *sp1 = new Span_req;
1350                 Span_req *sp2 = new Span_req;
1351                 sp1-> span_dir_ = START;
1352                 sp2-> span_dir_ = STOP;
1353                 sp1->span_type_str_ = sp2->span_type_str_ = "rest";
1354
1355                 Request_chord * rqc1 = new Request_chord (gh_list (sp1->self_scm (), SCM_UNDEFINED));
1356                 Request_chord * rqc2 = new Request_chord (gh_list (sk->self_scm (), SCM_UNDEFINED));;
1357                 Request_chord * rqc3 = new Request_chord(gh_list (sp2->self_scm (), SCM_UNDEFINED));;
1358
1359                 SCM ms = gh_list (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
1360
1361                 $$ = new Sequential_music (ms);
1362         }
1363         | STRING optional_notemode_duration     {
1364                 if (!THIS->lexer_p_->lyric_state_b ())
1365                         THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
1366                 Lyric_req* lreq_p = new Lyric_req;
1367                 lreq_p ->text_str_ = ly_scm2string ($1);
1368                 lreq_p->duration_ = *$2;
1369                 lreq_p->set_spot (THIS->here_input());
1370                 Simultaneous_music* velt_p = new Request_chord (gh_list (lreq_p->self_scm (), SCM_UNDEFINED));
1371
1372                 delete  $2; // ugh
1373                 $$= velt_p;
1374
1375         }
1376         | chord {
1377                 if (!THIS->lexer_p_->chord_state_b ())
1378                         THIS->parser_error (_ ("Have to be in Chord mode for chords"));
1379                 $$ = $1;
1380         }
1381         ;
1382
1383
1384 chord:
1385         steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
1386                 $$ = THIS->get_chord (*$1, $3, $4, $5, $6, *$2);
1387         };
1388
1389 chord_additions: 
1390         {
1391                 $$ = new Array<Musical_pitch>;
1392         } 
1393         | CHORD_COLON chord_notes {
1394                 $$ = $2;
1395         }
1396         ;
1397
1398 chord_notes:
1399         chord_step {
1400                 $$ = $1
1401         }
1402         | chord_notes '.' chord_step {
1403                 $$ = $1;
1404                 $$->concat (*$3);
1405         }
1406         ;
1407
1408 chord_subtractions: 
1409         {
1410                 $$ = new Array<Musical_pitch>;
1411         } 
1412         | CHORD_CARET chord_notes {
1413                 $$ = $2;
1414         }
1415         ;
1416
1417
1418 chord_inversion:
1419         {
1420                 $$ = 0;
1421         }
1422         | '/' steno_tonic_pitch {
1423                 $$ = $2;
1424                 $$->set_spot (THIS->here_input ());
1425         }
1426         ;
1427
1428 chord_bass:
1429         {
1430                 $$ = 0;
1431         }
1432         | CHORD_BASS steno_tonic_pitch {
1433                 $$ = $2;
1434                 $$->set_spot (THIS->here_input ());
1435         }
1436         ;
1437
1438 chord_step:
1439         chord_note {
1440                 $$ = new Array<Musical_pitch>;
1441                 $$->push (*$1);
1442         }
1443         | CHORDMODIFIER_PITCH {
1444                 $$ = new Array<Musical_pitch>;
1445                 $$->push (*$1);
1446         }
1447         | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
1448                 $$ = new Array<Musical_pitch>;
1449                 $$->push (*$1);
1450                 $$->push (*$2);
1451         }
1452         ;
1453
1454 chord_note:
1455         bare_unsigned {
1456                 $$ = new Musical_pitch;
1457                 $$->notename_i_ = ($1 - 1) % 7;
1458                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1459                 $$->accidental_i_ = 0;
1460         } 
1461         | bare_unsigned '+' {
1462                 $$ = new Musical_pitch;
1463                 $$->notename_i_ = ($1 - 1) % 7;
1464                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1465                 $$->accidental_i_ = 1;
1466         }
1467         | bare_unsigned CHORD_MINUS {
1468                 $$ = new Musical_pitch;
1469                 $$->notename_i_ = ($1 - 1) % 7;
1470                 $$->octave_i_ = $1 > 7 ? 1 : 0;
1471                 $$->accidental_i_ = -1;
1472         }
1473         ;
1474
1475 /*
1476         UTILITIES
1477  */
1478 number_expression:
1479         bare_number {
1480                 $$ = $1;
1481         }
1482         | '-'  number_expression %prec UNARY_MINUS {
1483                 $$ = scm_difference ($2, SCM_UNDEFINED);
1484         }
1485         | number_expression '*' number_expression {
1486                 $$ = scm_product ($1, $3);
1487         }
1488         | number_expression '/' number_expression {
1489                 $$ = scm_divide ($1, $3);
1490         }
1491         | number_expression '+' number_expression {
1492                 $$ = scm_sum ($1, $3);
1493         }
1494         | number_expression '-' number_expression {
1495                 $$ = scm_difference ($1, $3);
1496         }
1497         | '(' number_expression ')'     {
1498                 $$ = $2;
1499         }
1500         ;
1501
1502 bare_number:
1503         UNSIGNED        {
1504                 $$ = gh_int2scm ($1);
1505         }
1506         | DIGIT         {
1507                 $$ = gh_int2scm ($1);
1508         }
1509         | REAL          {
1510                 $$ = gh_double2scm ($1);
1511         }
1512         | NUMBER_IDENTIFIER             {
1513                 $$ = $1;
1514         }
1515         | REAL CM_T     {
1516                 $$ = gh_double2scm ($1 CM);
1517         }
1518         | REAL PT_T     {
1519                 $$ = gh_double2scm ($1 PT);
1520         }
1521         | REAL IN_T     {
1522                 $$ = gh_double2scm ($1 INCH);
1523         }
1524         | REAL MM_T     {
1525                 $$ = gh_double2scm ($1 MM);
1526         }
1527         | REAL CHAR_T   {
1528                 $$ = gh_double2scm ($1 CHAR);
1529         }
1530         ;
1531
1532
1533 bare_unsigned:
1534         bare_number {
1535                 if (scm_integer_p ($1) == SCM_BOOL_T) {
1536                         $$ = gh_scm2int ($1);
1537
1538                 } else {
1539                         THIS->parser_error (_("need integer number arg"));
1540                         $$ = 0;
1541                 }
1542                 if ($$ < 0) {
1543                         THIS->parser_error (_("Must be positive integer"));
1544                         $$ = -$$;
1545                         }
1546
1547         }
1548         ;
1549 bare_int:
1550         bare_number {
1551                 if (scm_integer_p ($1) == SCM_BOOL_T)
1552                 {
1553                         int k = gh_scm2int ($1);
1554                         $$ = k;
1555                 } else
1556                 {
1557                         THIS->parser_error (_("need integer number arg"));
1558                         $$ = 0;
1559                 }
1560         }
1561         | '-' bare_int {
1562                 $$ = -$2;
1563         }
1564         ;
1565
1566
1567 string:
1568         STRING          {
1569                 $$ = $1;
1570         }
1571         | STRING_IDENTIFIER     {
1572                 $$ = $1;
1573         }
1574         | string '+' string {
1575                 $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
1576         }
1577         ;
1578
1579
1580 exclamations:
1581                 { $$ = 0; }
1582         | exclamations '!'      { $$ ++; }
1583         ;
1584
1585 questions:
1586                 { $$ = 0; }
1587         | questions '?' { $$ ++; }
1588         ;
1589
1590
1591 semicolon:
1592         ';'
1593         ;
1594
1595 %%
1596
1597 void
1598 My_lily_parser::set_yydebug (bool b)
1599 {
1600 #ifdef YYDEBUG
1601         yydebug = b;
1602 #endif
1603 }
1604 void
1605 My_lily_parser::do_yyparse ()
1606 {
1607         yyparse ((void*)this);
1608 }
1609
1610