1 /* -*- mode: c++; c-file-style: "linux"; indent-tabs-mode: t -*- */
3 This file is part of LilyPond, the GNU music typesetter.
5 Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 Jan Nieuwenhuizen <janneke@gnu.org>
8 LilyPond is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 LilyPond is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
22 /* Mode and indentation are at best a rough approximation based on TAB
23 * formatting (reasonable for compatibility with unspecific editor
24 * modes as Bison modes are hard to find) and need manual correction
25 * frequently. Without a reasonably dependable way of formatting a
26 * Bison file sensibly, there is little point in trying to fix the
27 * inconsistent state of indentation.
32 #define yyerror Lily_parser::parser_error
34 /* We use custom location type: Input objects */
37 #define YYLLOC_DEFAULT(Current,Rhs,N) \
38 ((Current).set_location ((Rhs)[1], (Rhs)[N]))
40 #define YYPRINT(file, type, value) \
42 if (scm_is_eq (value, SCM_UNSPECIFIED)) \
44 char *p = scm_to_locale_string \
45 (scm_simple_format (SCM_BOOL_F, \
46 scm_from_locale_string ("~S"), \
47 scm_list_1 (value))); \
54 %parse-param {Lily_parser *parser}
55 %parse-param {SCM *retval}
56 %lex-param {Lily_parser *parser}
60 /* We use SCMs to do strings, because it saves us the trouble of
61 deleting them. Let's hope that a stack overflow doesn't trigger a move
62 of the parse stack onto the heap. */
68 /* The above precedences tackle the shift/reduce problem
71 \repeat .. \alternative
73 \repeat { \repeat .. \alternative }
77 \repeat { \repeat } \alternative
83 /* ADDLYRICS needs to have lower precedence than argument scanning,
84 * or we won't be able to tell music apart from closed_music without
85 * lookahead in the context of function calls.
90 /* \default is only applied after exhausting function arguments */
92 %nonassoc FUNCTION_ARGLIST
94 /* expressions with units are permitted into argument lists */
96 %right PITCH_IDENTIFIER NOTENAME_PITCH TONICNAME_PITCH
97 UNSIGNED REAL DURATION_IDENTIFIER ':'
99 /* The above are the symbols that can start optional function arguments
100 that are recognized in the grammar rather than by predicate
103 %nonassoc NUMBER_IDENTIFIER '/'
105 /* Number-unit expressions, where permitted, are concatenated into
106 * function arguments, just like fractions and tremoli. Tremoli must
107 * not have higher precedence than UNSIGNED, or Lilypond will not
108 * join ':' with a following optional number.
121 %{ // -*-Fundamental-*-
126 * The rules for who is protecting what are very shady. Uniformise
129 * There are too many lexical modes?
140 #include "context-def.hh"
141 #include "context-mod.hh"
142 #include "dimensions.hh"
143 #include "file-path.hh"
145 #include "international.hh"
146 #include "lily-guile.hh"
147 #include "lily-lexer.hh"
148 #include "lily-parser.hh"
152 #include "output-def.hh"
153 #include "paper-book.hh"
154 #include "scm-hash.hh"
156 #include "text-interface.hh"
160 Lily_parser::parser_error (Input const *i, Lily_parser *parser, SCM *, const string &s)
162 parser->parser_error (*i, s);
165 #define MYBACKUP(Token, Value, Location) \
167 if (yychar == YYEMPTY) \
170 parser->lexer_->push_extra_token (Token, Value); \
171 parser->lexer_->push_extra_token (BACKUP); \
173 parser->parser_error \
174 (Location, _("Too much lookahead")); \
179 #define MYREPARSE(Location, Pred, Token, Value) \
181 if (yychar == YYEMPTY) \
183 parser->lexer_->push_extra_token (Token, Value); \
184 parser->lexer_->push_extra_token (REPARSE, \
187 parser->parser_error \
188 (Location, _("Too much lookahead")); \
197 #define MY_MAKE_MUSIC(x, spot) \
198 make_music_with_input (ly_symbol2scm (x), \
199 parser->lexer_->override_input (spot))
202 - Don't use lily module, create a new module instead.
203 - delay application of the function
205 #define LOWLEVEL_MAKE_SYNTAX(proc, args) \
206 scm_apply_0 (proc, args)
207 /* Syntactic Sugar. */
208 #define MAKE_SYNTAX(name, location, ...) \
209 LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant (name), scm_list_n (parser->self_scm (), make_input (parser->lexer_->override_input (location)), ##__VA_ARGS__, SCM_UNDEFINED))
210 #define START_MAKE_SYNTAX(name, ...) \
211 scm_list_n (ly_lily_module_constant (name) , ##__VA_ARGS__, SCM_UNDEFINED)
212 #define FINISH_MAKE_SYNTAX(start, location, ...) \
213 LOWLEVEL_MAKE_SYNTAX (scm_car (start), scm_cons2 (parser->self_scm (), make_input (parser->lexer_->override_input (location)), scm_append_x (scm_list_2 (scm_cdr (start), scm_list_n (__VA_ARGS__, SCM_UNDEFINED)))))
215 SCM get_next_unique_context_id ();
216 SCM get_next_unique_lyrics_context_id ();
223 #define _(x) gettext (x)
227 static Music *make_music_with_input (SCM name, Input where);
228 SCM check_scheme_arg (Lily_parser *parser, Input loc,
229 SCM arg, SCM args, SCM pred, SCM disp = SCM_UNDEFINED);
230 SCM make_music_from_simple (Lily_parser *parser, Input loc, SCM pitch);
231 SCM loc_on_music (Input loc, SCM arg);
232 SCM make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list);
233 SCM make_chord_step (SCM step, Rational alter);
234 SCM make_simple_markup (SCM a);
235 bool is_duration (int t);
236 bool is_regular_identifier (SCM id, bool multiple=false);
237 SCM try_string_variants (SCM pred, SCM str);
238 int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser);
242 /* The third option is an alias that will be used to display the
243 syntax error. Bison CVS now correctly handles backslash escapes.
245 FIXME: Bison needs to translate some of these, eg, STRING.
249 /* Keyword tokens with plain escaped name. */
250 %token END_OF_FILE 0 "end of input"
251 %token ACCEPTS "\\accepts"
252 %token ADDLYRICS "\\addlyrics"
253 %token ALIAS "\\alias"
254 %token ALTERNATIVE "\\alternative"
256 %token BOOKPART "\\bookpart"
257 %token CHANGE "\\change"
258 %token CHORDMODE "\\chordmode"
259 %token CHORDS "\\chords"
260 %token CONSISTS "\\consists"
261 %token CONTEXT "\\context"
262 %token DEFAULT "\\default"
263 %token DEFAULTCHILD "\\defaultchild"
264 %token DENIES "\\denies"
265 %token DESCRIPTION "\\description"
266 %token DRUMMODE "\\drummode"
267 %token DRUMS "\\drums"
268 %token FIGUREMODE "\\figuremode"
269 %token FIGURES "\\figures"
270 %token HEADER "\\header"
271 %token INVALID "\\version-error"
272 %token LAYOUT "\\layout"
273 %token LYRICMODE "\\lyricmode"
274 %token LYRICS "\\lyrics"
275 %token LYRICSTO "\\lyricsto"
276 %token MARKUP "\\markup"
277 %token MARKUPLIST "\\markuplist"
280 %token NOTEMODE "\\notemode"
281 %token OVERRIDE "\\override"
282 %token PAPER "\\paper"
283 %token REMOVE "\\remove"
284 %token REPEAT "\\repeat"
286 %token REVERT "\\revert"
287 %token SCORE "\\score"
288 %token SEQUENTIAL "\\sequential"
290 %token SIMULTANEOUS "\\simultaneous"
291 %token TEMPO "\\tempo"
293 %token UNSET "\\unset"
296 /* Keyword token exceptions. */
297 %token NEWCONTEXT "\\new"
300 /* Other string tokens. */
302 %token CHORD_BASS "/+"
303 %token CHORD_CARET "^"
304 %token CHORD_COLON ":"
305 %token CHORD_MINUS "-"
306 %token CHORD_SLASH "/"
307 %token ANGLE_OPEN "<"
308 %token ANGLE_CLOSE ">"
309 %token DOUBLE_ANGLE_OPEN "<<"
310 %token DOUBLE_ANGLE_CLOSE ">>"
311 %token E_BACKSLASH "\\"
312 %token E_EXCLAMATION "\\!"
317 If we give names, Bison complains.
319 %token FIGURE_CLOSE /* "\\>" */
320 %token FIGURE_OPEN /* "\\<" */
321 %token FIGURE_SPACE "_"
324 %token CHORDMODIFIERS
325 %token MULTI_MEASURE_REST
331 /* Artificial tokens, for more generic function syntax */
332 %token EXPECT_MARKUP "markup?"
333 %token EXPECT_PITCH "ly:pitch?"
334 %token EXPECT_DURATION "ly:duration?"
335 %token EXPECT_SCM "scheme?"
336 %token BACKUP "(backed-up?)"
337 %token REPARSE "(reparsed?)"
338 %token EXPECT_MARKUP_LIST "markup-list?"
339 %token EXPECT_OPTIONAL "optional?"
340 /* After the last argument. */
341 %token EXPECT_NO_MORE_ARGS;
343 /* An artificial token for parsing embedded Lilypond */
344 %token EMBEDDED_LILY "#{"
346 %token BOOK_IDENTIFIER
347 %token CHORDMODIFIER_PITCH
348 %token CHORD_MODIFIER
349 %token CHORD_REPETITION
350 %token CONTEXT_DEF_IDENTIFIER
351 %token CONTEXT_MOD_IDENTIFIER
353 %token PITCH_IDENTIFIER
354 %token DURATION_IDENTIFIER
355 %token EVENT_IDENTIFIER
356 %token EVENT_FUNCTION
359 %token MARKUP_FUNCTION
360 %token MARKUP_LIST_FUNCTION
361 %token MARKUP_IDENTIFIER
362 %token MARKUPLIST_IDENTIFIER
363 %token MUSIC_FUNCTION
364 %token MUSIC_IDENTIFIER
365 %token NOTENAME_PITCH
366 %token NUMBER_IDENTIFIER
367 %token OUTPUT_DEF_IDENTIFIER
372 %token SCM_IDENTIFIER
376 %token TONICNAME_PITCH
380 /* We don't assign precedence to / and *, because we might need varied
381 prec levels in different prods */
390 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
391 parser->lexer_->push_note_state (nn);
392 } embedded_lilypond {
393 parser->lexer_->pop_state ();
398 lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
399 | lilypond toplevel_expression {
401 | lilypond assignment {
404 parser->error_level_ = 1;
407 parser->error_level_ = 1;
414 parser->lexer_->add_scope (get_header (parser));
416 parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
419 SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
420 scm_call_2 (proc, parser->self_scm (), $1);
423 SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
424 scm_call_2 (proc, parser->self_scm (), $1);
427 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
428 scm_call_2 (proc, parser->self_scm (), $1);
431 SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
432 scm_call_2 (proc, parser->self_scm (), $1);
435 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
436 scm_call_2 (proc, parser->self_scm (), scm_list_1 ($1));
439 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
440 scm_call_2 (proc, parser->self_scm (), $1);
443 // Evaluate and ignore #xxx, as opposed to \xxx
444 parser->lexer_->eval_scm_token ($1);
446 | embedded_scm_active
448 SCM out = SCM_UNDEFINED;
449 if (Text_interface::is_markup ($1))
450 out = scm_list_1 ($1);
451 else if (Text_interface::is_markup_list ($1))
453 if (scm_is_pair (out))
455 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
456 scm_call_2 (proc, parser->self_scm (), out);
457 } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
458 parser->parser_error (@1, _("bad expression type"));
462 Output_def * od = unsmob_output_def ($1);
464 if (od->c_variable ("is-paper") == SCM_BOOL_T)
465 id = ly_symbol2scm ("$defaultpaper");
466 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
467 id = ly_symbol2scm ("$defaultmidi");
468 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
469 id = ly_symbol2scm ("$defaultlayout");
471 parser->lexer_->set_identifier (id, $1);
478 $$ = parser->lexer_->eval_scm_token ($1);
488 embedded_scm_bare_arg:
492 $$ = parser->lexer_->eval_scm_token ($1);
495 | context_modification
497 | context_def_spec_block
503 /* The generic version may end in music, or not */
511 embedded_scm_bare_arg
517 SCM_FUNCTION function_arglist {
518 $$ = MAKE_SYNTAX ("music-function", @$,
526 // FIXME: @$ does not contain a useful source location
527 // for empty rules, and the only token in the whole
528 // production, EMBEDDED_LILY, is synthetic and also
529 // contains no source location.
530 $$ = MAKE_SYNTAX ("void-music", @$);
533 | music_embedded music_embedded music_list {
534 $3 = scm_reverse_x ($3, SCM_EOL);
535 if (unsmob_music ($2))
536 $3 = scm_cons ($2, $3);
537 if (unsmob_music ($1))
538 $3 = scm_cons ($1, $3);
539 $$ = MAKE_SYNTAX ("sequential-music", @$, $3);
542 parser->error_level_ = 1;
543 $$ = SCM_UNSPECIFIED;
545 | INVALID embedded_lilypond {
546 parser->error_level_ = 1;
552 lilypond_header_body:
553 /* empty */ { $$ = SCM_UNSPECIFIED; }
554 | lilypond_header_body assignment {
557 | lilypond_header_body embedded_scm {
563 HEADER '{' lilypond_header_body '}' {
564 $$ = parser->lexer_->remove_scope ();
576 assignment_id '=' identifier_init {
577 parser->lexer_->set_identifier ($1, $3);
578 $$ = SCM_UNSPECIFIED;
580 | assignment_id property_path '=' identifier_init {
581 SCM path = scm_cons (scm_string_to_symbol ($1), $2);
582 parser->lexer_->set_identifier (path, $4);
583 $$ = SCM_UNSPECIFIED;
593 | context_def_spec_block
595 | post_event_nofinger post_events
597 $$ = scm_reverse_x ($2, SCM_EOL);
598 if (Music *m = unsmob_music ($1))
600 if (m->is_mus_type ("post-event-wrapper"))
602 (scm_list_2 (m->get_property ("elements"),
605 $$ = scm_cons ($1, $$);
608 && scm_is_null (scm_cdr ($$)))
612 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
613 m->set_property ("elements", $$);
614 $$ = m->unprotect ();
622 | context_modification
625 context_def_spec_block:
626 CONTEXT '{' context_def_spec_body '}'
629 unsmob_context_def ($$)->origin ()->set_spot (@$);
637 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
638 parser->lexer_->push_note_state (nn);
642 parser->lexer_->pop_state ();
647 context_mod_embedded:
650 if (unsmob_music ($1)) {
651 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
652 $1 = scm_call_2 (proc, parser->self_scm (), $1);
654 if (unsmob_context_mod ($1))
657 parser->parser_error (@1, _ ("not a context mod"));
658 $$ = Context_mod ().smobbed_copy ();
664 context_def_spec_body:
666 $$ = Context_def::make_scm ();
668 | CONTEXT_DEF_IDENTIFIER {
671 | context_def_spec_body context_mod {
672 if (!SCM_UNBNDP ($2))
673 unsmob_context_def ($$)->add_context_mod ($2);
675 | context_def_spec_body context_modification {
676 Context_def *td = unsmob_context_def ($$);
677 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
678 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
679 td->add_context_mod (scm_car (m));
682 | context_def_spec_body context_mod_embedded {
683 Context_def *td = unsmob_context_def ($$);
684 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
685 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
686 td->add_context_mod (scm_car (m));
694 BOOK '{' book_body '}' {
696 unsmob_book ($$)->origin ()->set_spot (@$);
698 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
703 * Use 'handlers' like for toplevel-* stuff?
704 * grok \layout and \midi? */
707 Book *book = new Book;
708 init_papers (parser);
709 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
710 book->paper_->unprotect ();
711 push_paper (parser, book->paper_);
712 book->header_ = get_header (parser);
713 $$ = book->unprotect ();
714 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
717 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
719 | book_body paper_block {
720 unsmob_book ($1)->paper_ = unsmob_output_def ($2);
721 set_paper (parser, unsmob_output_def ($2));
723 | book_body bookpart_block {
724 SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
725 scm_call_2 (proc, $1, $2);
727 | book_body score_block {
728 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
729 scm_call_2 (proc, $1, $2);
731 | book_body composite_music {
732 SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
733 scm_call_3 (proc, parser->self_scm (), $1, $2);
735 | book_body full_markup {
736 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
737 scm_call_2 (proc, $1, scm_list_1 ($2));
739 | book_body full_markup_list {
740 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
741 scm_call_2 (proc, $1, $2);
743 | book_body SCM_TOKEN {
744 // Evaluate and ignore #xxx, as opposed to \xxx
745 parser->lexer_->eval_scm_token ($2);
747 | book_body embedded_scm_active
749 SCM out = SCM_UNDEFINED;
750 if (Text_interface::is_markup ($2))
751 out = scm_list_1 ($2);
752 else if (Text_interface::is_markup_list ($2))
754 if (scm_is_pair (out))
756 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
757 scm_call_2 (proc, $1, out);
758 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
759 parser->parser_error (@2, _("bad expression type"));
763 parser->lexer_->add_scope (unsmob_book ($1)->header_);
766 Book *book = unsmob_book ($1);
768 book->scores_ = SCM_EOL;
769 book->bookparts_ = SCM_EOL;
774 BOOKPART '{' bookpart_body '}' {
776 unsmob_book ($$)->origin ()->set_spot (@$);
777 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
783 Book *book = new Book;
784 $$ = book->unprotect ();
785 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
788 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
790 | bookpart_body paper_block {
791 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
793 | bookpart_body score_block {
794 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
795 scm_call_2 (proc, $1, $2);
797 | bookpart_body composite_music {
798 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
799 scm_call_3 (proc, parser->self_scm (), $1, $2);
801 | bookpart_body full_markup {
802 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
803 scm_call_2 (proc, $1, scm_list_1 ($2));
805 | bookpart_body full_markup_list {
806 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
807 scm_call_2 (proc, $1, $2);
809 | bookpart_body SCM_TOKEN {
810 // Evaluate and ignore #xxx, as opposed to \xxx
811 parser->lexer_->eval_scm_token ($2);
813 | bookpart_body embedded_scm_active
815 SCM out = SCM_UNDEFINED;
816 if (Text_interface::is_markup ($2))
817 out = scm_list_1 ($2);
818 else if (Text_interface::is_markup_list ($2))
820 if (scm_is_pair (out))
822 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
823 scm_call_2 (proc, $1, out);
824 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
825 parser->parser_error (@2, _("bad expression type"));
829 Book *book = unsmob_book ($1);
830 if (!ly_is_module (book->header_))
831 book->header_ = ly_make_module (false);
832 parser->lexer_->add_scope (book->header_);
834 | bookpart_body error {
835 Book *book = unsmob_book ($1);
837 book->scores_ = SCM_EOL;
842 SCORE '{' score_body '}' {
849 SCM scorify = ly_lily_module_constant ("scorify-music");
850 $$ = scm_call_2 (scorify, $1, parser->self_scm ());
852 unsmob_score ($$)->origin ()->set_spot (@$);
854 | embedded_scm_active {
856 if (unsmob_score ($1))
857 score = new Score (*unsmob_score ($1));
860 parser->parser_error (@1, _("score expected"));
862 unsmob_score ($$)->origin ()->set_spot (@$);
863 $$ = score->unprotect ();
867 Score *score = unsmob_score ($1);
868 if (!ly_is_module (score->get_header ()))
869 score->set_header (ly_make_module (false));
870 parser->lexer_->add_scope (score->get_header ());
872 | score_body output_def {
873 Output_def *od = unsmob_output_def ($2);
874 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
876 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
881 unsmob_score ($1)->add_output_def (od);
885 unsmob_score ($$)->error_found_ = true;
896 Output_def *od = unsmob_output_def ($1);
898 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
900 parser->parser_error (@1, _ ("need \\paper for paper block"));
901 $$ = get_paper (parser)->unprotect ();
908 output_def_body '}' {
911 parser->lexer_->remove_scope ();
912 parser->lexer_->pop_state ();
918 Output_def *p = get_paper (parser);
919 p->input_origin_ = @$;
920 parser->lexer_->add_scope (p->scope_);
921 $$ = p->unprotect ();
924 Output_def *p = get_midi (parser);
925 $$ = p->unprotect ();
926 parser->lexer_->add_scope (p->scope_);
929 Output_def *p = get_layout (parser);
931 parser->lexer_->add_scope (p->scope_);
932 $$ = p->unprotect ();
936 output_def_head_with_mode_switch:
938 parser->lexer_->push_initial_state ();
943 // We need this weird nonterminal because both music as well as a
944 // context definition can start with \context and the difference is
945 // only apparent after looking at the next token. If it is '{', there
946 // is still time to escape from notes mode.
948 music_or_context_def:
951 parser->lexer_->pop_state ();
955 parser->lexer_->pop_state ();
956 } '{' context_def_spec_body '}'
959 unsmob_context_def ($$)->origin ()->set_spot (@$);
964 output_def_head_with_mode_switch '{' {
966 unsmob_output_def ($$)->input_origin_.set_spot (@$);
968 | output_def_head_with_mode_switch '{' OUTPUT_DEF_IDENTIFIER {
969 Output_def *o = unsmob_output_def ($3);
970 o->input_origin_.set_spot (@$);
972 parser->lexer_->remove_scope ();
973 parser->lexer_->add_scope (o->scope_);
975 | output_def_body assignment {
978 | output_def_body embedded_scm {
983 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
984 parser->lexer_->push_note_state (nn);
985 } music_or_context_def
987 if (unsmob_context_def ($3))
988 assign_context_def (unsmob_output_def ($1), $3);
991 SCM proc = parser->lexer_->lookup_identifier
992 ("output-def-music-handler");
993 scm_call_3 (proc, parser->self_scm (),
997 | output_def_body error {
1003 TEMPO steno_duration '=' tempo_range {
1004 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
1006 | TEMPO scalar_closed steno_duration '=' tempo_range {
1007 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
1010 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1015 The representation of a list is reversed to have efficient append. */
1021 | music_list music_embedded {
1022 if (unsmob_music ($2))
1023 $$ = scm_cons ($2, $1);
1025 | music_list error {
1026 Music *m = MY_MAKE_MUSIC("Music", @$);
1028 m->set_property ("error-found", SCM_BOOL_T);
1029 $$ = scm_cons (m->self_scm (), $1);
1030 m->unprotect (); /* UGH */
1037 $$ = scm_reverse_x ($2, SCM_EOL);
1042 | lyric_element_music
1048 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1049 parser->parser_error (@1, _ ("unexpected post-event"));
1050 $$ = SCM_UNSPECIFIED;
1053 | music_embedded_backup
1057 | music_embedded_backup BACKUP lyric_element_music
1063 music_embedded_backup:
1066 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1068 else if (Music *m = unsmob_music ($1)) {
1069 if (m->is_mus_type ("post-event")) {
1070 parser->parser_error
1071 (@1, _ ("unexpected post-event"));
1072 $$ = SCM_UNSPECIFIED;
1075 } else if (parser->lexer_->is_lyric_state ()
1076 && Text_interface::is_markup ($1))
1077 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1079 @$.warning (_ ("Ignoring non-music expression"));
1088 $$ = make_music_from_simple (parser, @1, $1);
1089 if (!unsmob_music ($$))
1090 parser->parser_error (@1, _ ("music expected"));
1092 | composite_music %prec COMPOSITE
1097 | composite_music %prec COMPOSITE
1101 REPEAT simple_string unsigned_number music
1103 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1105 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1107 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1112 SEQUENTIAL braced_music_list {
1113 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1115 | braced_music_list {
1116 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1121 SIMULTANEOUS braced_music_list {
1122 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1124 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1125 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1131 | music_property_def
1135 context_modification:
1136 WITH { parser->lexer_->push_initial_state (); } '{' context_mod_list '}'
1138 parser->lexer_->pop_state ();
1141 | WITH CONTEXT_MOD_IDENTIFIER
1145 | CONTEXT_MOD_IDENTIFIER
1149 | WITH context_modification_arg
1151 if (unsmob_music ($2)) {
1152 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
1153 $2 = scm_call_2 (proc, parser->self_scm (), $2);
1155 if (unsmob_context_mod ($2))
1158 parser->parser_error (@2, _ ("not a context mod"));
1159 $$ = Context_mod ().smobbed_copy ();
1164 context_modification_arg:
1169 optional_context_mod:
1173 | context_modification
1181 $$ = Context_mod ().smobbed_copy ();
1183 | context_mod_list context_mod {
1184 if (!SCM_UNBNDP ($2))
1185 unsmob_context_mod ($1)->add_context_mod ($2);
1187 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1188 Context_mod *md = unsmob_context_mod ($2);
1190 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1192 | context_mod_list context_mod_embedded {
1193 unsmob_context_mod ($1)->add_context_mods
1194 (unsmob_context_mod ($2)->get_mods ());
1203 /* Music that can be parsed without lookahead */
1206 | complex_music_prefix closed_music
1208 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1210 | music_function_call_closed
1216 | grouped_music_list
1220 simultaneous_music { $$ = $1; }
1221 | sequential_music { $$ = $1; }
1224 /* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence:
1225 MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
1226 and this rule returns the reversed list of arguments. */
1228 /* Function argument lists come in a number of flavors. Whenever
1229 * LilyPond has to pick between different flavors, the decision is
1230 * either made because of tokens it has already seen, or it is
1231 * postponed until tokens suitable for making the decision come up.
1232 * For postponing decisions, it may be necessary that the competing
1233 * rules are written in a way making them compatible until a decision
1234 * can be made. Sometimes this is done by putting common traits into
1235 * a separate "common" rule set.
1237 * function_arglist: a full argument list. Optional arguments at the
1238 * end of the list can only be skipped by writing \default in their
1241 * function_arglist_backup: an argument list ending in an optional
1242 * argument that may be skipped depending on its predicate.
1244 * function_arglist_skip: an argument list _not_ ending in an optional
1245 * argument that is actually taken.
1247 * function_arglist_nonbackup: an argument list ending in an optional
1248 * argument that may not be skipped because it is in end position and
1249 * has not been shortcircuited with \default.
1251 * function_arglist* / function_arglist_closed*: The closed variants
1252 * don't end in simple music expressions that might still accept
1253 * things like a duration or a postevent.
1256 function_arglist_skip:
1257 function_arglist_common
1258 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip
1260 $$ = scm_cons ($1, $3);
1261 } %prec FUNCTION_ARGLIST
1262 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip
1264 $$ = scm_cons ($1, $3);
1265 } %prec FUNCTION_ARGLIST
1266 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
1268 $$ = scm_cons ($1, $3);
1269 } %prec FUNCTION_ARGLIST
1273 function_arglist_nonbackup_common:
1274 EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords {
1275 $$ = scm_cons ($4, $3);
1277 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length {
1278 $$ = scm_cons ($4, $3);
1280 | EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION
1282 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1284 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger
1286 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1288 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED
1290 SCM n = scm_difference ($5, SCM_UNDEFINED);
1291 if (scm_is_true (scm_call_1 ($2, n)))
1292 $$ = scm_cons (n, $3);
1294 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1295 t->set_property ("digit", $5);
1296 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1301 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL
1303 $$ = check_scheme_arg (parser, @4,
1304 scm_difference ($5, SCM_UNDEFINED),
1307 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER
1309 $$ = check_scheme_arg (parser, @4,
1310 scm_difference ($5, SCM_UNDEFINED),
1315 function_arglist_closed_nonbackup:
1316 function_arglist_nonbackup_common
1317 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed
1319 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1321 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed
1323 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1325 | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1327 $$ = check_scheme_arg (parser, @4,
1328 try_string_variants ($2, $4),
1331 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1333 $$ = check_scheme_arg (parser, @4,
1334 try_string_variants ($2, $4),
1337 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1339 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1345 | SYMBOL_LIST '.' symbol_list_rev
1347 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1353 | symbol_list_rev '.' symbol_list_part
1355 $$ = scm_append_x (scm_list_2 ($3, $1));
1359 // symbol_list_part delivers elements in reverse copy.
1364 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1365 $$ = try_string_variants (sym_l_p, $1);
1366 if (SCM_UNBNDP ($$)) {
1367 parser->parser_error (@1, _("not a symbol"));
1370 $$ = scm_reverse ($$);
1375 symbol_list_element:
1381 function_arglist_nonbackup:
1382 function_arglist_nonbackup_common
1383 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg
1385 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1387 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number
1389 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1391 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1393 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1395 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1397 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1399 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1401 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1405 function_arglist_nonbackup_reparse:
1406 EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1409 SCM res = try_string_variants ($2, $4);
1410 if (!SCM_UNBNDP (res))
1411 if (scm_is_pair (res))
1412 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1414 MYREPARSE (@4, $2, SCM_ARG, res);
1415 else if (scm_is_true
1417 ($2, make_music_from_simple
1419 MYREPARSE (@4, $2, STRING, $4);
1421 MYREPARSE (@4, $2, SCM_ARG, $4);
1423 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1426 SCM res = try_string_variants ($2, $4);
1427 if (!SCM_UNBNDP (res))
1428 if (scm_is_pair (res))
1429 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1431 MYREPARSE (@4, $2, SCM_ARG, res);
1432 else if (scm_is_true
1434 ($2, make_music_from_simple
1436 MYREPARSE (@4, $2, STRING, $4);
1438 MYREPARSE (@4, $2, SCM_ARG, $4);
1440 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1443 if (scm_is_true (scm_call_1 ($2, $4)))
1444 MYREPARSE (@4, $2, SCM_ARG, $4);
1445 else if (scm_is_true
1447 ($2, make_music_from_simple
1449 MYREPARSE (@4, $2, STRING, $4);
1451 MYREPARSE (@4, $2, SCM_ARG, $4);
1455 function_arglist_keep:
1456 function_arglist_common
1457 | function_arglist_backup
1460 function_arglist_closed_keep:
1461 function_arglist_closed_common
1462 | function_arglist_backup
1465 function_arglist_backup:
1466 EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed
1468 if (scm_is_true (scm_call_1 ($2, $4)))
1470 $$ = scm_cons ($4, $3);
1472 $$ = scm_cons (loc_on_music (@3, $1), $3);
1473 MYBACKUP (SCM_ARG, $4, @4);
1476 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger
1478 if (scm_is_true (scm_call_1 ($2, $4)))
1480 $$ = scm_cons ($4, $3);
1482 $$ = scm_cons (loc_on_music (@3, $1), $3);
1483 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1486 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup
1488 if (scm_is_true (scm_call_1 ($2, $4)))
1489 $$ = scm_cons ($4, $3);
1491 $$ = scm_cons (loc_on_music (@3, $1), $3);
1492 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1495 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED
1497 if (scm_is_true (scm_call_1 ($2, $4)))
1500 MYREPARSE (@4, $2, UNSIGNED, $4);
1502 $$ = scm_cons (loc_on_music (@3, $1), $3);
1503 MYBACKUP (UNSIGNED, $4, @4);
1506 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL
1508 if (scm_is_true (scm_call_1 ($2, $4)))
1511 MYREPARSE (@4, $2, REAL, $4);
1513 $$ = scm_cons (loc_on_music (@3, $1), $3);
1514 MYBACKUP (REAL, $4, @4);
1517 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER
1519 if (scm_is_true (scm_call_1 ($2, $4)))
1521 $$ = scm_cons ($4, $3);
1523 $$ = scm_cons (loc_on_music (@3, $1), $3);
1524 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1527 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION
1529 if (scm_is_true (scm_call_1 ($2, $4)))
1531 $$ = scm_cons ($4, $3);
1533 $$ = scm_cons (loc_on_music (@3, $1), $3);
1534 MYBACKUP (FRACTION, $4, @4);
1537 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED
1539 SCM n = scm_difference ($5, SCM_UNDEFINED);
1540 if (scm_is_true (scm_call_1 ($2, n))) {
1542 MYREPARSE (@5, $2, REAL, n);
1544 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1545 t->set_property ("digit", $5);
1546 $$ = t->unprotect ();
1547 if (scm_is_true (scm_call_1 ($2, $$)))
1548 $$ = scm_cons ($$, $3);
1550 $$ = scm_cons (loc_on_music (@3, $1), $3);
1551 MYBACKUP (UNSIGNED, $5, @5);
1552 parser->lexer_->push_extra_token ('-');
1557 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL
1559 SCM n = scm_difference ($5, SCM_UNDEFINED);
1560 if (scm_is_true (scm_call_1 ($2, n))) {
1561 MYREPARSE (@5, $2, REAL, n);
1564 $$ = scm_cons (loc_on_music (@3, $1), $3);
1565 MYBACKUP (REAL, n, @5);
1568 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER
1570 SCM n = scm_difference ($5, SCM_UNDEFINED);
1571 if (scm_is_true (scm_call_1 ($2, n))) {
1572 $$ = scm_cons (n, $3);
1574 $$ = scm_cons (loc_on_music (@3, $1), $3);
1575 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1578 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords
1580 $$ = scm_cons ($4, $3);
1582 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length
1584 $$ = scm_cons ($4, $3);
1586 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER
1588 SCM res = try_string_variants ($2, $4);
1589 if (!SCM_UNBNDP (res))
1590 if (scm_is_pair (res)) {
1592 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1595 $$ = scm_cons (res, $3);
1597 $$ = scm_cons (loc_on_music (@3, $1), $3);
1598 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1601 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING
1603 SCM res = try_string_variants ($2, $4);
1604 if (!SCM_UNBNDP (res))
1605 if (scm_is_pair (res)) {
1607 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1610 $$ = scm_cons (res, $3);
1612 $$ = scm_cons (loc_on_music (@3, $1), $3);
1613 MYBACKUP (STRING, $4, @4);
1616 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP
1618 $$ = scm_cons ($1, $3);
1619 MYBACKUP(0, SCM_UNDEFINED, @3);
1621 | function_arglist_backup REPARSE bare_number
1623 $$ = check_scheme_arg (parser, @3,
1626 | function_arglist_backup REPARSE symbol_list_arg
1628 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1633 function_arglist_common
1634 | function_arglist_nonbackup
1637 function_arglist_common:
1638 function_arglist_bare
1639 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1641 $$ = check_scheme_arg (parser, @3,
1644 | EXPECT_SCM function_arglist_closed_optional bare_number
1646 $$ = check_scheme_arg (parser, @3,
1649 | EXPECT_SCM function_arglist_optional FRACTION
1651 $$ = check_scheme_arg (parser, @3,
1654 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1656 $$ = check_scheme_arg (parser, @3,
1659 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1661 SCM n = scm_difference ($4, SCM_UNDEFINED);
1662 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1664 | function_arglist_common_reparse REPARSE SCM_ARG
1666 $$ = check_scheme_arg (parser, @3,
1669 | function_arglist_common_reparse REPARSE lyric_element_music
1671 $$ = check_scheme_arg (parser, @3,
1674 | function_arglist_common_reparse REPARSE bare_number
1676 $$ = check_scheme_arg (parser, @3,
1679 | function_arglist_common_reparse REPARSE symbol_list_arg
1681 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1685 function_arglist_common_reparse:
1686 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1689 SCM res = try_string_variants ($1, $3);
1690 if (!SCM_UNBNDP (res))
1691 if (scm_is_pair (res))
1692 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1694 MYREPARSE (@3, $1, SCM_ARG, res);
1695 else if (scm_is_true
1697 ($1, make_music_from_simple (parser, @3, $3))))
1698 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1700 // This is going to flag a syntax error, we
1701 // know the predicate to be false.
1702 MYREPARSE (@3, $1, SCM_ARG, $3);
1704 | EXPECT_SCM function_arglist_optional STRING
1707 SCM res = try_string_variants ($1, $3);
1708 if (!SCM_UNBNDP (res))
1709 if (scm_is_pair (res))
1710 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1712 MYREPARSE (@3, $1, SCM_ARG, res);
1713 else if (scm_is_true
1715 ($1, make_music_from_simple (parser, @3, $3))))
1716 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1718 // This is going to flag a syntax error, we
1719 // know the predicate to be false.
1720 MYREPARSE (@3, $1, SCM_ARG, $3);
1722 | EXPECT_SCM function_arglist_optional full_markup
1725 if (scm_is_true (scm_call_1 ($1, $3)))
1726 MYREPARSE (@3, $1, SCM_ARG, $3);
1727 else if (scm_is_true
1729 ($1, make_music_from_simple (parser, @3, $3))))
1730 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1732 // This is going to flag a syntax error, we
1733 // know the predicate to be false.
1734 MYREPARSE (@3, $1, SCM_ARG, $3);
1736 | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED
1739 SCM n = scm_difference ($4, SCM_UNDEFINED);
1740 if (scm_is_true (scm_call_1 ($1, n)))
1741 MYREPARSE (@4, $1, REAL, n);
1743 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
1744 t->set_property ("digit", $4);
1745 SCM m = t->unprotect ();
1746 if (scm_is_true (scm_call_1 ($1, m)))
1747 MYREPARSE (@4, $1, SCM_ARG, m);
1749 MYREPARSE (@4, $1, SCM_ARG, $4);
1753 | EXPECT_SCM function_arglist_closed_optional '-' REAL
1756 SCM n = scm_difference ($4, SCM_UNDEFINED);
1757 MYREPARSE (@4, $1, REAL, n);
1761 function_arglist_closed:
1762 function_arglist_closed_common
1763 | function_arglist_closed_nonbackup
1766 function_arglist_closed_common:
1767 function_arglist_bare
1768 | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed
1770 $$ = check_scheme_arg (parser, @3,
1773 | EXPECT_SCM function_arglist_closed_optional bare_number
1775 $$ = check_scheme_arg (parser, @3,
1778 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1780 $$ = check_scheme_arg (parser, @3,
1781 scm_difference ($4, SCM_UNDEFINED),
1784 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1786 $$ = check_scheme_arg (parser, @3,
1789 | EXPECT_SCM function_arglist_optional FRACTION
1791 $$ = check_scheme_arg (parser, @3,
1794 | function_arglist_common_reparse REPARSE SCM_ARG
1796 $$ = check_scheme_arg (parser, @3,
1799 | function_arglist_common_reparse REPARSE bare_number
1801 $$ = check_scheme_arg (parser, @3,
1804 | function_arglist_common_reparse REPARSE symbol_list_arg
1806 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1810 function_arglist_optional:
1811 function_arglist_keep %prec FUNCTION_ARGLIST
1812 | function_arglist_backup BACKUP
1813 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
1815 $$ = scm_cons ($1, $3);
1817 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
1819 $$ = scm_cons ($1, $3);
1823 function_arglist_closed_optional:
1824 function_arglist_closed_keep %prec FUNCTION_ARGLIST
1825 | function_arglist_backup BACKUP
1826 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
1828 $$ = scm_cons ($1, $3);
1830 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
1832 $$ = scm_cons ($1, $3);
1836 embedded_scm_closed:
1838 | scm_function_call_closed
1841 embedded_scm_arg_closed:
1842 embedded_scm_bare_arg
1843 | scm_function_call_closed
1847 scm_function_call_closed:
1848 SCM_FUNCTION function_arglist_closed {
1849 $$ = MAKE_SYNTAX ("music-function", @$,
1851 } %prec FUNCTION_ARGLIST
1854 function_arglist_bare:
1855 EXPECT_NO_MORE_ARGS {
1858 | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
1859 $$ = scm_cons ($3, $2);
1861 | EXPECT_DURATION function_arglist_closed_optional duration_length {
1862 $$ = scm_cons ($3, $2);
1864 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT {
1865 $$ = scm_cons ($1, $3);
1867 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT {
1868 $$ = scm_cons ($1, $3);
1870 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT {
1871 $$ = scm_cons ($1, $3);
1875 music_function_call:
1876 MUSIC_FUNCTION function_arglist {
1877 $$ = MAKE_SYNTAX ("music-function", @$,
1884 /**/ { $$ = SCM_EOL; }
1885 | '=' simple_string {
1892 | repeated_music { $$ = $1; }
1893 | re_rhythmed_music { $$ = $1; }
1894 | complex_music_prefix music
1896 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1900 complex_music_prefix:
1901 CONTEXT symbol optional_id optional_context_mod {
1902 Context_mod *ctxmod = unsmob_context_mod ($4);
1905 mods = ctxmod->get_mods ();
1906 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
1908 | NEWCONTEXT symbol optional_id optional_context_mod {
1909 Context_mod *ctxmod = unsmob_context_mod ($4);
1912 mods = ctxmod->get_mods ();
1913 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
1918 mode_changing_head grouped_music_list {
1919 if ($1 == ly_symbol2scm ("chords"))
1921 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
1927 parser->lexer_->pop_state ();
1929 | mode_changing_head_with_context optional_context_mod grouped_music_list {
1930 Context_mod *ctxmod = unsmob_context_mod ($2);
1933 mods = ctxmod->get_mods ();
1934 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
1935 if ($1 == ly_symbol2scm ("ChordNames"))
1937 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
1939 parser->lexer_->pop_state ();
1945 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1946 parser->lexer_->push_note_state (nn);
1948 $$ = ly_symbol2scm ("notes");
1952 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1953 parser->lexer_->push_note_state (nn);
1955 $$ = ly_symbol2scm ("drums");
1958 parser->lexer_->push_figuredbass_state ();
1960 $$ = ly_symbol2scm ("figures");
1963 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1964 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1965 nn = parser->lexer_->lookup_identifier ("pitchnames");
1966 parser->lexer_->push_chord_state (nn);
1967 $$ = ly_symbol2scm ("chords");
1971 { parser->lexer_->push_lyric_state ();
1972 $$ = ly_symbol2scm ("lyrics");
1976 mode_changing_head_with_context:
1978 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1979 parser->lexer_->push_note_state (nn);
1981 $$ = ly_symbol2scm ("DrumStaff");
1984 parser->lexer_->push_figuredbass_state ();
1986 $$ = ly_symbol2scm ("FiguredBass");
1989 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1990 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1991 nn = parser->lexer_->lookup_identifier ("pitchnames");
1992 parser->lexer_->push_chord_state (nn);
1993 $$ = ly_symbol2scm ("ChordNames");
1996 { parser->lexer_->push_lyric_state ();
1997 $$ = ly_symbol2scm ("Lyrics");
2002 ADDLYRICS { parser->lexer_->push_lyric_state (); }
2005 /* Can also use music at the expensive of two S/Rs similar to
2006 \repeat \alternative */
2007 parser->lexer_->pop_state ();
2009 $$ = scm_cons ($3, SCM_EOL);
2011 | new_lyrics ADDLYRICS {
2012 parser->lexer_->push_lyric_state ();
2014 parser->lexer_->pop_state ();
2015 $$ = scm_cons ($4, $1);
2020 composite_music new_lyrics {
2021 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2023 | LYRICSTO simple_string {
2024 parser->lexer_->push_lyric_state ();
2026 parser->lexer_->pop_state ();
2027 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $4);
2032 CHANGE STRING '=' STRING {
2033 $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4);
2040 $$ = scm_reverse_x ($1, SCM_EOL);
2042 | symbol_list_rev property_path {
2043 $$ = scm_reverse_x ($1, $2);
2049 $$ = scm_list_3 (ly_symbol2scm ("assign"), $1, $3);
2052 $$ = scm_list_2 (ly_symbol2scm ("unset"), $2);
2054 | OVERRIDE property_path '=' scalar {
2055 if (scm_ilength ($2) < 2) {
2056 parser->parser_error (@2, _("bad grob property path"));
2059 $$ = scm_cons (ly_symbol2scm ("push"),
2060 scm_cons2 (scm_car ($2),
2065 | REVERT revert_arg {
2066 $$ = scm_cons (ly_symbol2scm ("pop"), $2);
2070 // This is all quite awkward for the sake of substantial backward
2071 // compatibility while at the same time allowing a more "natural" form
2072 // of specification not separating grob specification from grob
2073 // property path. The purpose of this definition of revert_arg is to
2074 // allow the symbol list which specifies grob and property to revert
2075 // to be optionally be split into two parts after the grob (which in
2076 // this case is just the first element of the list). symbol_list_part
2077 // is only one path component, but it can be parsed without lookahead,
2078 // so we can follow it with a synthetic BACKUP token when needed. If
2079 // the first symbol_list_part already contains multiple elements (only
2080 // possible if a Scheme expression provides them), we just parse for
2081 // additional elements introduced by '.', which is what the
2082 // SYMBOL_LIST backup in connection with the immediately following
2083 // rule using symbol_list_arg does.
2085 // As long as we don't have our coffers filled with both grob and at
2086 // least one grob property specification, the rest of the required
2087 // symbol list chain may be provided either with or without a leading
2088 // dot. This is for both allowing the traditional
2089 // \revert Accidental #'color
2090 // as well as well as the "naive" form
2091 // \revert Accidental.color
2094 revert_arg_backup BACKUP symbol_list_arg
2103 if (scm_is_null ($1)
2104 || scm_is_null (scm_cdr ($1)))
2105 MYBACKUP (SCM_ARG, $1, @1);
2107 MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
2111 // revert_arg_part delivers results in reverse
2114 | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part
2116 $$ = scm_append_x (scm_list_2 ($5, $3));
2118 | revert_arg_backup BACKUP SCM_ARG symbol_list_part
2120 $$ = scm_append_x (scm_list_2 ($4, $3));
2125 CONSISTS { $$ = ly_symbol2scm ("consists"); }
2126 | REMOVE { $$ = ly_symbol2scm ("remove"); }
2128 | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
2129 | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
2130 | DENIES { $$ = ly_symbol2scm ("denies"); }
2132 | ALIAS { $$ = ly_symbol2scm ("alias"); }
2133 | TYPE { $$ = ly_symbol2scm ("translator-type"); }
2134 | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
2135 | NAME { $$ = ly_symbol2scm ("context-name"); }
2139 property_operation { $$ = $1; }
2140 | context_def_mod STRING {
2141 $$ = scm_list_2 ($1, $2);
2143 | context_def_mod embedded_scm
2145 if (!scm_is_string ($2)
2146 && ly_symbol2scm ("consists") != $1
2147 && ly_symbol2scm ("remove") != $1)
2150 parser->parser_error (@1, _ ("only \\consists and \\remove take non-string argument."));
2154 $$ = scm_list_2 ($1, $2);
2159 // If defined, at least two members.
2163 SCM l = scm_reverse_x ($1, SCM_EOL);
2166 (scm_object_property (scm_car (l),
2167 ly_symbol2scm ("is-grob?"))))
2168 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2169 if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
2170 parser->parser_error (@1, _ ("bad grob property path"));
2177 // If defined, at least three members
2181 if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
2183 parser->parser_error (@1, _ ("bad grob property path"));
2187 | grob_prop_spec property_path
2189 if (!SCM_UNBNDP ($1)) {
2190 $$ = scm_append_x (scm_list_2 ($1, $2));
2191 if (scm_is_null (scm_cddr ($$))) {
2192 parser->parser_error (@$, _ ("bad grob property path"));
2200 // Exactly two elements or undefined
2204 SCM l = scm_reverse_x ($1, SCM_EOL);
2205 switch (scm_ilength (l)) {
2207 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2211 parser->parser_error (@1, _ ("bad context property path"));
2218 simple_music_property_def:
2219 OVERRIDE grob_prop_path '=' scalar {
2220 if (SCM_UNBNDP ($2))
2223 $$ = scm_list_5 (scm_car ($2),
2224 ly_symbol2scm ("OverrideProperty"),
2230 | REVERT simple_revert_context revert_arg {
2231 $$ = scm_list_4 ($2,
2232 ly_symbol2scm ("RevertProperty"),
2236 | SET context_prop_spec '=' scalar {
2237 if (SCM_UNBNDP ($2))
2240 $$ = scm_list_4 (scm_car ($2),
2241 ly_symbol2scm ("PropertySet"),
2245 | UNSET context_prop_spec {
2246 if (SCM_UNBNDP ($2))
2249 $$ = scm_list_3 (scm_car ($2),
2250 ly_symbol2scm ("PropertyUnset"),
2256 // This is all quite awkward for the sake of substantial backward
2257 // compatibility while at the same time allowing a more "natural" form
2258 // of specification not separating grob specification from grob
2259 // property path. The purpose of this definition of
2260 // simple_revert_context is to allow the symbol list which specifies
2261 // grob and property to revert to be optionally be split into two
2262 // parts after the grob (which may be preceded by a context
2263 // specification, a case which we distinguish by checking whether the
2264 // first symbol is a valid grob symbol instead).
2266 // See revert_arg above for the main work horse of this arrangement.
2267 // simple_revert_context just caters for the context and delegates the
2268 // rest of the job to revert_arg.
2270 simple_revert_context:
2273 $1 = scm_reverse_x ($1, SCM_EOL);
2274 if (scm_is_null ($1)
2276 (scm_object_property (scm_car ($1),
2277 ly_symbol2scm ("is-grob?")))) {
2278 $$ = ly_symbol2scm ("Bottom");
2279 parser->lexer_->push_extra_token (SCM_IDENTIFIER, $1);
2282 parser->lexer_->push_extra_token (SCM_IDENTIFIER,
2289 simple_music_property_def {
2290 if (SCM_UNBNDP ($1))
2291 $$ = MAKE_SYNTAX ("void-music", @1);
2293 $$ = LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("property-operation"), scm_cons2 (parser->self_scm (), make_input (@$), $1));
2304 simple_string: STRING {
2309 if (scm_is_string ($1)) {
2312 parser->parser_error (@1, (_ ("simple string expected")));
2313 $$ = scm_string (SCM_EOL);
2320 $$ = scm_string_to_symbol ($1);
2324 // This is a bit of overkill but makes the same
2325 // routine responsible for all symbol interpretations.
2326 $$ = try_string_variants (ly_lily_module_constant ("symbol?"),
2328 if (SCM_UNBNDP ($$))
2330 parser->parser_error (@1, (_ ("symbol expected")));
2331 // Generate a unique symbol in case it is used
2332 // for an assignment or similar
2333 $$ = scm_make_symbol (ly_string2scm ("undefined"));
2342 // The following is a rather defensive variant of admitting
2343 // negative numbers: the grammar would permit number_factor or
2344 // even number_expression. However, function arguments allow
2345 // only this simple kind of negative number, so to have things
2346 // like \tweak and \override behave reasonably similar, it
2347 // makes sense to rule out things like -- which are rather an
2348 // accent in function argument contexts.
2351 $$ = scm_difference ($2, SCM_UNDEFINED);
2359 embedded_scm_arg_closed
2361 // for scalar_closed to be an actually closed (no lookahead)
2362 // expression, we'd need to use bare_number_closed here. It
2363 // turns out that the only use of scalar_closed in TEMPO is
2364 // not of the kind requiring the full closedness criterion.
2368 $$ = scm_difference ($2, SCM_UNDEFINED);
2377 simple_element post_events {
2378 // Let the rhythmic music iterator sort this mess out.
2379 if (scm_is_pair ($2)) {
2380 $$ = make_music_from_simple (parser, @1, $1);
2381 if (unsmob_music ($$))
2382 unsmob_music ($$)->set_property ("articulations",
2383 scm_reverse_x ($2, SCM_EOL));
2385 parser->parser_error (@1, _("music expected"));
2388 | simple_chord_elements post_events {
2389 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
2392 /* why is this giving wrong start location? -ns
2394 i.set_location (@1, @2);
2395 $$ = MAKE_SYNTAX ("event-chord", i, elts);
2397 | CHORD_REPETITION optional_notemode_duration post_events {
2399 i.set_location (@1, @3);
2400 $$ = MAKE_SYNTAX ("repetition-chord", i,
2401 $2, scm_reverse_x ($3, SCM_EOL));
2403 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2405 i.set_location (@1, @3);
2406 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2407 scm_reverse_x ($3, SCM_EOL));
2410 | note_chord_element
2415 chord_body optional_notemode_duration post_events
2417 Music *m = unsmob_music ($1);
2418 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2419 SCM es = m->get_property ("elements");
2420 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2422 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2423 unsmob_music (scm_car (s))->set_property ("duration", dur);
2424 es = ly_append2 (es, postevs);
2426 m-> set_property ("elements", es);
2428 $$ = m->self_scm ();
2433 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2435 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2439 chord_body_elements:
2440 /* empty */ { $$ = SCM_EOL; }
2441 | chord_body_elements chord_body_element {
2442 if (!SCM_UNBNDP ($2))
2443 $$ = scm_cons ($2, $1);
2448 pitch exclamations questions octave_check post_events
2450 bool q = to_boolean ($3);
2451 bool ex = to_boolean ($2);
2455 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2456 n->set_property ("pitch", $1);
2458 n->set_property ("cautionary", SCM_BOOL_T);
2460 n->set_property ("force-accidental", SCM_BOOL_T);
2462 if (scm_is_pair (post)) {
2463 SCM arts = scm_reverse_x (post, SCM_EOL);
2464 n->set_property ("articulations", arts);
2466 if (scm_is_number (check))
2468 int q = scm_to_int (check);
2469 n->set_property ("absolute-octave", scm_from_int (q-1));
2472 $$ = n->unprotect ();
2474 | DRUM_PITCH post_events {
2475 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2476 n->set_property ("drum-type", $1);
2478 if (scm_is_pair ($2)) {
2479 SCM arts = scm_reverse_x ($2, SCM_EOL);
2480 n->set_property ("articulations", arts);
2482 $$ = n->unprotect ();
2484 | music_function_chord_body
2486 Music *m = unsmob_music ($1);
2488 while (m && m->is_mus_type ("music-wrapper-music")) {
2489 $$ = m->get_property ("element");
2490 m = unsmob_music ($$);
2493 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2494 parser->parser_error (@$, _ ("not a rhythmic event"));
2500 music_function_chord_body:
2505 // Event functions may only take closed arglists, otherwise it would
2506 // not be clear whether a following postevent should be associated
2507 // with the last argument of the event function or with the expression
2508 // for which the function call acts itself as event.
2510 music_function_call_closed:
2511 MUSIC_FUNCTION function_arglist_closed {
2512 $$ = MAKE_SYNTAX ("music-function", @$,
2517 event_function_event:
2518 EVENT_FUNCTION function_arglist_closed {
2519 $$ = MAKE_SYNTAX ("music-function", @$,
2541 | post_events post_event {
2543 if (Music *m = unsmob_music ($2))
2545 if (m->is_mus_type ("post-event-wrapper"))
2547 for (SCM p = m->get_property ("elements");
2551 $$ = scm_cons (scm_car (p), $$);
2555 $$ = scm_cons ($2, $$);
2561 post_event_nofinger:
2562 direction_less_event {
2565 | script_dir music_function_call_closed {
2567 if (!unsmob_music ($2)->is_mus_type ("post-event")) {
2568 parser->parser_error (@2, _ ("post-event expected"));
2569 $$ = SCM_UNSPECIFIED;
2570 } else if (!SCM_UNBNDP ($1))
2572 unsmob_music ($$)->set_property ("direction", $1);
2576 if (!parser->lexer_->is_lyric_state ())
2577 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2578 $$ = MY_MAKE_MUSIC ("HyphenEvent", @$)->unprotect ();
2581 if (!parser->lexer_->is_lyric_state ())
2582 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2583 $$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
2585 | script_dir direction_reqd_event {
2586 if (!SCM_UNBNDP ($1))
2588 Music *m = unsmob_music ($2);
2589 m->set_property ("direction", $1);
2593 | script_dir direction_less_event {
2594 if (!SCM_UNBNDP ($1))
2596 Music *m = unsmob_music ($2);
2597 m->set_property ("direction", $1);
2604 unsmob_music ($$)->set_property ("direction", scm_from_int (UP));
2609 unsmob_music ($$)->set_property ("direction", scm_from_int (DOWN));
2620 string_number_event:
2622 Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
2623 s->set_property ("string-number", $1);
2624 $$ = s->unprotect ();
2628 direction_less_event:
2630 | EVENT_IDENTIFIER {
2634 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2635 a->set_property ("tremolo-type", $1);
2636 $$ = a->unprotect ();
2638 | event_function_event
2641 direction_reqd_event:
2645 | script_abbreviation {
2646 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2647 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2648 if (scm_is_string (s))
2649 a->set_property ("articulation-type", s);
2650 else parser->parser_error (@1, _ ("expecting string as script definition"));
2651 $$ = a->unprotect ();
2656 /**/ { $$ = SCM_EOL; }
2657 | '=' quotes { $$ = $2; }
2671 $$ = scm_from_int (1);
2674 $$ = scm_oneplus ($1);
2680 $$ = scm_from_int (-1);
2683 $$ = scm_oneminus ($1);
2688 NOTENAME_PITCH quotes {
2689 if (!scm_is_eq (SCM_INUM0, $2))
2691 Pitch p = *unsmob_pitch ($1);
2692 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2693 $$ = p.smobbed_copy ();
2703 TONICNAME_PITCH quotes {
2704 if (!scm_is_eq (SCM_INUM0, $2))
2706 Pitch p = *unsmob_pitch ($1);
2707 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2708 $$ = p.smobbed_copy ();
2718 pitch_also_in_chords:
2725 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2726 t->set_property ("text", $1);
2727 $$ = t->unprotect ();
2730 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2731 t->set_property ("text",
2732 make_simple_markup ($1));
2733 $$ = t->unprotect ();
2735 | embedded_scm_closed
2737 Music *m = unsmob_music ($1);
2738 if (m && m->is_mus_type ("post-event"))
2740 else if (Text_interface::is_markup ($1)) {
2741 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2742 t->set_property ("text", $1);
2743 $$ = t->unprotect ();
2745 parser->parser_error (@1, _ ("not an articulation"));
2751 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2752 t->set_property ("digit", $1);
2753 $$ = t->unprotect ();
2757 script_abbreviation:
2759 $$ = scm_from_locale_string ("Hat");
2762 $$ = scm_from_locale_string ("Plus");
2765 $$ = scm_from_locale_string ("Dash");
2768 $$ = scm_from_locale_string ("Bang");
2771 $$ = scm_from_locale_string ("Larger");
2774 $$ = scm_from_locale_string ("Dot");
2777 $$ = scm_from_locale_string ("Underscore");
2782 '_' { $$ = scm_from_int (DOWN); }
2783 | '^' { $$ = scm_from_int (UP); }
2784 | '-' { $$ = SCM_UNDEFINED; }
2788 multiplied_duration {
2793 maybe_notemode_duration:
2797 | multiplied_duration {
2799 parser->default_duration_ = *unsmob_duration ($$);
2804 optional_notemode_duration:
2805 maybe_notemode_duration
2807 if (SCM_UNBNDP ($$))
2808 $$ = parser->default_duration_.smobbed_copy ();
2815 int n = scm_to_int ($1);
2816 if (!is_duration (n))
2817 parser->parser_error (@1, _f ("not a duration: %d", n));
2821 $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
2823 | DURATION_IDENTIFIER dots {
2824 Duration *d = unsmob_duration ($1);
2825 Duration k (d->duration_log (),
2826 d->dot_count () + scm_to_int ($2));
2827 k = k.compressed (d->factor ());
2828 scm_remember_upto_here_1 ($1);
2829 $$ = k.smobbed_copy ();
2833 multiplied_duration:
2837 | multiplied_duration '*' UNSIGNED {
2838 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
2840 | multiplied_duration '*' FRACTION {
2841 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
2843 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
2852 $$ = scm_oneplus ($1);
2861 int n = scm_to_int ($2);
2862 if (!is_duration (n))
2863 parser->parser_error (@2, _f ("not a duration: %d", n));
2869 UNSIGNED { $$ = $1; }
2870 | STRING { $$ = $1; }
2871 | full_markup { $$ = $1; }
2874 // as an integer, it needs to be non-negative, and otherwise
2875 // it needs to be suitable as a markup.
2876 if (scm_is_integer ($1)
2877 ? scm_is_true (scm_negative_p ($1))
2878 : !Text_interface::is_markup ($1))
2880 parser->parser_error (@1, _ ("bass number expected"));
2886 figured_bass_alteration:
2887 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
2888 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
2889 | '!' { $$ = scm_from_int (0); }
2894 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2895 $$ = bfr->unprotect ();
2898 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2899 $$ = bfr->self_scm ();
2901 if (scm_is_number ($1))
2902 bfr->set_property ("figure", $1);
2903 else if (Text_interface::is_markup ($1))
2904 bfr->set_property ("text", $1);
2910 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
2912 | bass_figure figured_bass_alteration {
2913 Music *m = unsmob_music ($1);
2914 if (scm_to_double ($2)) {
2915 SCM salter = m->get_property ("alteration");
2916 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
2917 m->set_property ("alteration",
2918 scm_sum (alter, $2));
2920 m->set_property ("alteration", scm_from_int (0));
2923 | bass_figure figured_bass_modification {
2924 Music *m = unsmob_music ($1);
2925 m->set_property ($2, SCM_BOOL_T);
2930 figured_bass_modification:
2932 $$ = ly_symbol2scm ("augmented");
2935 $$ = ly_symbol2scm ("no-continuation");
2938 $$ = ly_symbol2scm ("diminished");
2941 $$ = ly_symbol2scm ("augmented-slash");
2951 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
2959 | figure_list br_bass_figure {
2960 $$ = scm_cons ($2, $1);
2965 FIGURE_OPEN figure_list FIGURE_CLOSE {
2966 $$ = scm_reverse_x ($2, SCM_EOL);
2972 /**/ { $$ = SCM_BOOL_F; }
2973 | REST { $$ = SCM_BOOL_T; }
2977 pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
2978 if (!parser->lexer_->is_note_state ())
2979 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
2980 if (!SCM_UNBNDP ($2)
2982 || scm_is_number ($4)
2984 || scm_is_true ($6))
2987 if (scm_is_true ($6))
2988 n = MY_MAKE_MUSIC ("RestEvent", @$);
2990 n = MY_MAKE_MUSIC ("NoteEvent", @$);
2992 n->set_property ("pitch", $1);
2993 if (SCM_UNBNDP ($5))
2994 n->set_property ("duration",
2995 parser->default_duration_.smobbed_copy ());
2997 n->set_property ("duration", $5);
2999 if (scm_is_number ($4))
3001 int q = scm_to_int ($4);
3002 n->set_property ("absolute-octave", scm_from_int (q-1));
3005 if (to_boolean ($3))
3006 n->set_property ("cautionary", SCM_BOOL_T);
3007 if (to_boolean ($2) || to_boolean ($3))
3008 n->set_property ("force-accidental", SCM_BOOL_T);
3010 $$ = n->unprotect ();
3013 | DRUM_PITCH optional_notemode_duration {
3014 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
3015 n->set_property ("duration", $2);
3016 n->set_property ("drum-type", $1);
3018 $$ = n->unprotect ();
3020 | RESTNAME optional_notemode_duration {
3022 if (ly_scm2string ($1) == "s") {
3024 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
3027 ev = MY_MAKE_MUSIC ("RestEvent", @$);
3030 ev->set_property ("duration", $2);
3031 $$ = ev->unprotect ();
3035 simple_chord_elements:
3037 if (!parser->lexer_->is_chord_state ())
3038 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
3041 | figure_spec optional_notemode_duration {
3042 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
3044 unsmob_music (scm_car (s))->set_property ("duration", $2);
3052 if (!parser->lexer_->is_lyric_state ())
3053 parser->parser_error (@1, _ ("markup outside of text script or \\lyricmode"));
3057 if (!parser->lexer_->is_lyric_state ())
3058 parser->parser_error (@1, _ ("unrecognized string, not in text script or \\lyricmode"));
3064 lyric_element_music:
3065 lyric_element optional_notemode_duration post_events {
3066 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3067 if (scm_is_pair ($3))
3068 unsmob_music ($$)->set_property
3069 ("articulations", scm_reverse_x ($3, SCM_EOL));
3074 steno_tonic_pitch optional_notemode_duration {
3075 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3077 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3078 SCM its = scm_reverse_x ($4, SCM_EOL);
3079 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3087 | chord_items chord_item {
3088 $$ = scm_cons ($2, $$);
3094 $$ = ly_symbol2scm ("chord-colon");
3097 $$ = ly_symbol2scm ("chord-caret");
3099 | CHORD_SLASH steno_tonic_pitch {
3100 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3102 | CHORD_BASS steno_tonic_pitch {
3103 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3112 $$ = scm_reverse_x ($1, SCM_EOL);
3120 step_number { $$ = scm_cons ($1, SCM_EOL); }
3121 | step_numbers '.' step_number {
3122 $$ = scm_cons ($3, $$);
3128 $$ = make_chord_step ($1, 0);
3131 $$ = make_chord_step ($1, SHARP_ALTERATION);
3133 | UNSIGNED CHORD_MINUS {
3134 $$ = make_chord_step ($1, FLAT_ALTERATION);
3142 | UNSIGNED '-' UNSIGNED {
3143 $$ = scm_cons ($1, $3);
3150 TODO: should deprecate in favor of Scheme?
3154 number_expression '+' number_term {
3155 $$ = scm_sum ($1, $3);
3157 | number_expression '-' number_term {
3158 $$ = scm_difference ($1, $3);
3167 | number_factor '*' number_factor {
3168 $$ = scm_product ($1, $3);
3170 | number_factor '/' number_factor {
3171 $$ = scm_divide ($1, $3);
3176 '-' number_factor { /* %prec UNARY_MINUS */
3177 $$ = scm_difference ($2, SCM_UNDEFINED);
3185 | UNSIGNED NUMBER_IDENTIFIER {
3186 $$ = scm_product ($1, $2);
3188 | REAL NUMBER_IDENTIFIER {
3189 $$ = scm_product ($1, $2);
3205 { $$ = SCM_UNDEFINED; }
3208 if (SCM_UNBNDP ($1))
3216 { $$ = SCM_UNDEFINED; }
3219 if (SCM_UNBNDP ($1))
3228 { parser->lexer_->push_markup_state (); }
3231 parser->lexer_->pop_state ();
3237 { parser->lexer_->push_markup_state (); }
3240 parser->lexer_->pop_state ();
3245 simple_markup_list {
3246 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3248 | markup_head_1_list simple_markup
3250 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3251 @2, $1, scm_list_1 ($2)));
3261 if (Text_interface::is_markup ($1))
3262 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3263 else if (Text_interface::is_markup_list ($1))
3264 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3266 parser->parser_error (@1, _ ("not a markup"));
3267 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3274 markup_composed_list {
3277 | markup_uncomposed_list
3280 markup_uncomposed_list:
3281 markup_braced_list {
3284 | markup_command_list {
3285 $$ = scm_list_1 ($1);
3287 | markup_scm MARKUPLIST_IDENTIFIER
3297 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
3303 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3304 parser->lexer_->push_note_state (nn);
3305 } '{' score_body '}' {
3307 parser->lexer_->pop_state ();
3311 markup_composed_list:
3312 markup_head_1_list markup_uncomposed_list {
3313 $$ = MAKE_SYNTAX ("composed-markup-list",
3319 '{' markup_braced_list_body '}' {
3320 $$ = scm_reverse_x ($2, SCM_EOL);
3324 markup_braced_list_body:
3325 /* empty */ { $$ = SCM_EOL; }
3326 | markup_braced_list_body markup {
3327 $$ = scm_cons ($2, $1);
3329 | markup_braced_list_body simple_markup_list {
3330 $$ = scm_reverse_x ($2, $1);
3334 markup_command_list:
3335 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3336 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3340 markup_command_basic_arguments:
3341 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3342 $$ = scm_cons ($3, $2);
3344 | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
3345 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3347 | EXPECT_NO_MORE_ARGS {
3352 markup_command_list_arguments:
3353 markup_command_basic_arguments { $$ = $1; }
3354 | EXPECT_MARKUP markup_command_list_arguments markup {
3355 $$ = scm_cons ($3, $2);
3360 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3361 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3366 markup_head_1_item {
3367 $$ = scm_list_1 ($1);
3369 | markup_head_1_list markup_head_1_item {
3370 $$ = scm_cons ($2, $1);
3376 $$ = make_simple_markup ($1);
3378 | MARKUP_FUNCTION markup_command_basic_arguments {
3379 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3381 | markup_scm MARKUP_IDENTIFIER
3387 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
3392 markup_head_1_list simple_markup
3394 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3395 @2, $1, scm_list_1 ($2)));
3405 Lily_parser::set_yydebug (bool x)
3411 Lily_parser::do_yyparse ()
3413 SCM retval = SCM_UNDEFINED;
3414 yyparse (this, &retval);
3424 It is a little strange to have this function in this file, but
3425 otherwise, we have to import music classes into the lexer.
3429 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3431 if (unsmob_book (sid)) {
3432 Book *book = unsmob_book (sid)->clone ();
3433 *destination = book->self_scm ();
3436 return BOOK_IDENTIFIER;
3437 } else if (scm_is_number (sid)) {
3439 return NUMBER_IDENTIFIER;
3440 } else if (unsmob_context_def (sid)) {
3441 Context_def *def= unsmob_context_def (sid)->clone ();
3443 *destination = def->self_scm ();
3446 return CONTEXT_DEF_IDENTIFIER;
3447 } else if (unsmob_context_mod (sid)) {
3448 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3450 return CONTEXT_MOD_IDENTIFIER;
3451 } else if (Music *mus = unsmob_music (sid)) {
3452 mus = mus->clone ();
3453 *destination = mus->self_scm ();
3454 bool is_event = mus->is_mus_type ("post-event");
3456 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3457 } else if (unsmob_pitch (sid)) {
3458 *destination = unsmob_pitch (sid)->smobbed_copy ();
3459 return PITCH_IDENTIFIER;
3460 } else if (unsmob_duration (sid)) {
3461 *destination = unsmob_duration (sid)->smobbed_copy ();
3462 return DURATION_IDENTIFIER;
3463 } else if (unsmob_output_def (sid)) {
3464 Output_def *p = unsmob_output_def (sid);
3467 *destination = p->self_scm ();
3469 return OUTPUT_DEF_IDENTIFIER;
3476 get_next_unique_context_id ()
3478 return scm_from_locale_string ("$uniqueContextId");
3483 get_next_unique_lyrics_context_id ()
3485 static int new_context_count;
3487 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3488 return scm_from_locale_string (s);
3491 // check_scheme_arg checks one argument with a given predicate for use
3492 // in an argument list and throws a syntax error if it is unusable.
3493 // The argument is prepended to the argument list in any case. After
3494 // throwing a syntax error, the argument list is terminated with #f as
3495 // its last cdr in order to mark it as uncallable while not losing
3496 // track of its total length.
3498 // There are a few special considerations: if optional argument disp
3499 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3500 // instead of arg in a prospective error message. This is useful if
3501 // arg is not the actual argument but rather a transformation of it.
3503 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3504 // and an error message using disp is produced unconditionally.
3506 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3507 SCM arg, SCM args, SCM pred, SCM disp)
3509 if (SCM_UNBNDP (arg))
3510 args = scm_cons (disp, args);
3512 args = scm_cons (arg, args);
3513 if (scm_is_true (scm_call_1 (pred, arg)))
3516 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3517 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3518 SCM_UNBNDP (disp) ? arg : disp);
3519 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3523 SCM loc_on_music (Input loc, SCM arg)
3525 if (Music *m = unsmob_music (arg))
3529 return m->unprotect ();
3535 try_string_variants (SCM pred, SCM str)
3537 // a matching predicate is always ok
3538 if (scm_is_true (scm_call_1 (pred, str)))
3540 // a symbol may be interpreted as a list of symbols if it helps
3541 if (scm_is_symbol (str)) {
3542 str = scm_list_1 (str);
3543 if (scm_is_true (scm_call_1 (pred, str)))
3545 return SCM_UNDEFINED;
3548 // If this cannot be a string representation of a symbol list,
3551 if (!is_regular_identifier (str, true))
3552 return SCM_UNDEFINED;
3554 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3555 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3556 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3558 // Let's attempt the symbol list interpretation first.
3560 if (scm_is_true (scm_call_1 (pred, str)))
3563 // If there is just one symbol in the list, we might interpret
3564 // it as a single symbol
3566 if (scm_is_null (scm_cdr (str)))
3568 str = scm_car (str);
3569 if (scm_is_true (scm_call_1 (pred, str)))
3573 return SCM_UNDEFINED;
3577 is_regular_identifier (SCM id, bool multiple)
3579 if (!scm_is_string (id))
3582 string str = ly_scm2string (id);
3584 bool middle = false;
3586 for (string::iterator it=str.begin(); it != str.end (); it++)
3589 if ((c >= 'a' && c <= 'z')
3590 || (c >= 'A' && c <= 'Z')
3593 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3602 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3604 if (unsmob_music (simple))
3606 if (parser->lexer_->is_note_state ()) {
3607 if (scm_is_symbol (simple)) {
3608 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3609 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3610 n->set_property ("drum-type", simple);
3611 return n->unprotect ();
3613 if (unsmob_pitch (simple)) {
3614 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3615 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3616 n->set_property ("pitch", simple);
3617 return n->unprotect ();
3620 } else if (parser->lexer_->is_lyric_state ()) {
3621 if (Text_interface::is_markup (simple))
3622 return MAKE_SYNTAX ("lyric-event", loc, simple,
3623 parser->default_duration_.smobbed_copy ());
3624 } else if (parser->lexer_->is_chord_state ()) {
3625 if (unsmob_pitch (simple))
3626 return make_chord_elements (loc, simple,
3627 parser->default_duration_.smobbed_copy (),
3634 make_music_with_input (SCM name, Input where)
3636 Music *m = make_music_by_name (name);
3637 m->set_spot (where);
3642 make_simple_markup (SCM a)
3650 return t && t == 1 << intlog2 (t);
3654 make_chord_step (SCM step_scm, Rational alter)
3656 int step = scm_to_int (step_scm);
3659 alter += FLAT_ALTERATION;
3663 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3664 return m.smobbed_copy ();
3669 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3671 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3672 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3673 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3675 unsmob_music (scm_car (s))->set_spot (loc);
3681 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3683 Lily_lexer *lex = parser->lexer_;
3687 lex->prepare_for_next_token ();
3688 return lex->yylex ();