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 MULTI_MEASURE_REST
330 /* Artificial tokens, for more generic function syntax */
331 %token EXPECT_MARKUP "markup?"
332 %token EXPECT_PITCH "ly:pitch?"
333 %token EXPECT_DURATION "ly:duration?"
334 %token EXPECT_SCM "scheme?"
335 %token BACKUP "(backed-up?)"
336 %token REPARSE "(reparsed?)"
337 %token EXPECT_MARKUP_LIST "markup-list?"
338 %token EXPECT_OPTIONAL "optional?"
339 /* After the last argument. */
340 %token EXPECT_NO_MORE_ARGS;
342 /* An artificial token for parsing embedded Lilypond */
343 %token EMBEDDED_LILY "#{"
345 %token BOOK_IDENTIFIER
346 %token CHORD_MODIFIER
347 %token CHORD_REPETITION
348 %token CONTEXT_DEF_IDENTIFIER
349 %token CONTEXT_MOD_IDENTIFIER
351 %token PITCH_IDENTIFIER
352 %token DURATION_IDENTIFIER
353 %token EVENT_IDENTIFIER
354 %token EVENT_FUNCTION
357 %token MARKUP_FUNCTION
358 %token MARKUP_LIST_FUNCTION
359 %token MARKUP_IDENTIFIER
360 %token MARKUPLIST_IDENTIFIER
361 %token MUSIC_FUNCTION
362 %token MUSIC_IDENTIFIER
363 %token NOTENAME_PITCH
364 %token NUMBER_IDENTIFIER
365 %token OUTPUT_DEF_IDENTIFIER
370 %token SCM_IDENTIFIER
374 %token TONICNAME_PITCH
378 /* We don't assign precedence to / and *, because we might need varied
379 prec levels in different prods */
388 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
389 parser->lexer_->push_note_state (nn);
390 } embedded_lilypond {
391 parser->lexer_->pop_state ();
396 lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
397 | lilypond toplevel_expression {
399 | lilypond assignment {
402 parser->error_level_ = 1;
405 parser->error_level_ = 1;
412 parser->lexer_->add_scope (get_header (parser));
414 parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
417 SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
418 scm_call_2 (proc, parser->self_scm (), $1);
421 SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
422 scm_call_2 (proc, parser->self_scm (), $1);
425 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
426 scm_call_2 (proc, parser->self_scm (), $1);
429 SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
430 scm_call_2 (proc, parser->self_scm (), $1);
433 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
434 scm_call_2 (proc, parser->self_scm (), scm_list_1 ($1));
437 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
438 scm_call_2 (proc, parser->self_scm (), $1);
441 // Evaluate and ignore #xxx, as opposed to \xxx
442 parser->lexer_->eval_scm_token ($1);
444 | embedded_scm_active
446 SCM out = SCM_UNDEFINED;
447 if (Text_interface::is_markup ($1))
448 out = scm_list_1 ($1);
449 else if (Text_interface::is_markup_list ($1))
451 if (scm_is_pair (out))
453 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
454 scm_call_2 (proc, parser->self_scm (), out);
455 } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
456 parser->parser_error (@1, _("bad expression type"));
460 Output_def * od = unsmob_output_def ($1);
462 if (od->c_variable ("is-paper") == SCM_BOOL_T)
463 id = ly_symbol2scm ("$defaultpaper");
464 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
465 id = ly_symbol2scm ("$defaultmidi");
466 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
467 id = ly_symbol2scm ("$defaultlayout");
469 parser->lexer_->set_identifier (id, $1);
476 $$ = parser->lexer_->eval_scm_token ($1);
486 embedded_scm_bare_arg:
490 $$ = parser->lexer_->eval_scm_token ($1);
493 | context_modification
495 | context_def_spec_block
501 /* The generic version may end in music, or not */
509 embedded_scm_bare_arg
515 SCM_FUNCTION function_arglist {
516 $$ = MAKE_SYNTAX ("music-function", @$,
524 // FIXME: @$ does not contain a useful source location
525 // for empty rules, and the only token in the whole
526 // production, EMBEDDED_LILY, is synthetic and also
527 // contains no source location.
528 $$ = MAKE_SYNTAX ("void-music", @$);
531 | music_embedded music_embedded music_list {
532 $3 = scm_reverse_x ($3, SCM_EOL);
533 if (unsmob_music ($2))
534 $3 = scm_cons ($2, $3);
535 if (unsmob_music ($1))
536 $3 = scm_cons ($1, $3);
537 $$ = MAKE_SYNTAX ("sequential-music", @$, $3);
540 parser->error_level_ = 1;
541 $$ = SCM_UNSPECIFIED;
543 | INVALID embedded_lilypond {
544 parser->error_level_ = 1;
550 lilypond_header_body:
551 /* empty */ { $$ = SCM_UNSPECIFIED; }
552 | lilypond_header_body assignment {
555 | lilypond_header_body embedded_scm {
561 HEADER '{' lilypond_header_body '}' {
562 $$ = parser->lexer_->remove_scope ();
574 assignment_id '=' identifier_init {
575 parser->lexer_->set_identifier ($1, $3);
576 $$ = SCM_UNSPECIFIED;
578 | assignment_id property_path '=' identifier_init {
579 SCM path = scm_cons (scm_string_to_symbol ($1), $2);
580 parser->lexer_->set_identifier (path, $4);
581 $$ = SCM_UNSPECIFIED;
591 | context_def_spec_block
593 | post_event_nofinger post_events
595 $$ = scm_reverse_x ($2, SCM_EOL);
596 if (Music *m = unsmob_music ($1))
598 if (m->is_mus_type ("post-event-wrapper"))
600 (scm_list_2 (m->get_property ("elements"),
603 $$ = scm_cons ($1, $$);
606 && scm_is_null (scm_cdr ($$)))
610 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
611 m->set_property ("elements", $$);
612 $$ = m->unprotect ();
620 | context_modification
623 context_def_spec_block:
624 CONTEXT '{' context_def_spec_body '}'
627 unsmob_context_def ($$)->origin ()->set_spot (@$);
635 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
636 parser->lexer_->push_note_state (nn);
640 parser->lexer_->pop_state ();
645 context_mod_embedded:
648 if (unsmob_music ($1)) {
649 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
650 $1 = scm_call_2 (proc, parser->self_scm (), $1);
652 if (unsmob_context_mod ($1))
655 parser->parser_error (@1, _ ("not a context mod"));
656 $$ = Context_mod ().smobbed_copy ();
662 context_def_spec_body:
664 $$ = Context_def::make_scm ();
666 | CONTEXT_DEF_IDENTIFIER {
669 | context_def_spec_body context_mod {
670 if (!SCM_UNBNDP ($2))
671 unsmob_context_def ($$)->add_context_mod ($2);
673 | context_def_spec_body context_modification {
674 Context_def *td = unsmob_context_def ($$);
675 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
676 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
677 td->add_context_mod (scm_car (m));
680 | context_def_spec_body context_mod_embedded {
681 Context_def *td = unsmob_context_def ($$);
682 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
683 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
684 td->add_context_mod (scm_car (m));
692 BOOK '{' book_body '}' {
694 unsmob_book ($$)->origin ()->set_spot (@$);
696 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
701 * Use 'handlers' like for toplevel-* stuff?
702 * grok \layout and \midi? */
705 Book *book = new Book;
706 init_papers (parser);
707 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
708 book->paper_->unprotect ();
709 push_paper (parser, book->paper_);
710 book->header_ = get_header (parser);
711 $$ = book->unprotect ();
712 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
715 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
717 | book_body paper_block {
718 unsmob_book ($1)->paper_ = unsmob_output_def ($2);
719 set_paper (parser, unsmob_output_def ($2));
721 | book_body bookpart_block {
722 SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
723 scm_call_2 (proc, $1, $2);
725 | book_body score_block {
726 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
727 scm_call_2 (proc, $1, $2);
729 | book_body composite_music {
730 SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
731 scm_call_3 (proc, parser->self_scm (), $1, $2);
733 | book_body full_markup {
734 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
735 scm_call_2 (proc, $1, scm_list_1 ($2));
737 | book_body full_markup_list {
738 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
739 scm_call_2 (proc, $1, $2);
741 | book_body SCM_TOKEN {
742 // Evaluate and ignore #xxx, as opposed to \xxx
743 parser->lexer_->eval_scm_token ($2);
745 | book_body embedded_scm_active
747 SCM out = SCM_UNDEFINED;
748 if (Text_interface::is_markup ($2))
749 out = scm_list_1 ($2);
750 else if (Text_interface::is_markup_list ($2))
752 if (scm_is_pair (out))
754 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
755 scm_call_2 (proc, $1, out);
756 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
757 parser->parser_error (@2, _("bad expression type"));
761 parser->lexer_->add_scope (unsmob_book ($1)->header_);
764 Book *book = unsmob_book ($1);
766 book->scores_ = SCM_EOL;
767 book->bookparts_ = SCM_EOL;
772 BOOKPART '{' bookpart_body '}' {
774 unsmob_book ($$)->origin ()->set_spot (@$);
775 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
781 Book *book = new Book;
782 $$ = book->unprotect ();
783 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
786 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
788 | bookpart_body paper_block {
789 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
791 | bookpart_body score_block {
792 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
793 scm_call_2 (proc, $1, $2);
795 | bookpart_body composite_music {
796 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
797 scm_call_3 (proc, parser->self_scm (), $1, $2);
799 | bookpart_body full_markup {
800 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
801 scm_call_2 (proc, $1, scm_list_1 ($2));
803 | bookpart_body full_markup_list {
804 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
805 scm_call_2 (proc, $1, $2);
807 | bookpart_body SCM_TOKEN {
808 // Evaluate and ignore #xxx, as opposed to \xxx
809 parser->lexer_->eval_scm_token ($2);
811 | bookpart_body embedded_scm_active
813 SCM out = SCM_UNDEFINED;
814 if (Text_interface::is_markup ($2))
815 out = scm_list_1 ($2);
816 else if (Text_interface::is_markup_list ($2))
818 if (scm_is_pair (out))
820 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
821 scm_call_2 (proc, $1, out);
822 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
823 parser->parser_error (@2, _("bad expression type"));
827 Book *book = unsmob_book ($1);
828 if (!ly_is_module (book->header_))
829 book->header_ = ly_make_module (false);
830 parser->lexer_->add_scope (book->header_);
832 | bookpart_body error {
833 Book *book = unsmob_book ($1);
835 book->scores_ = SCM_EOL;
840 SCORE '{' score_body '}' {
847 SCM scorify = ly_lily_module_constant ("scorify-music");
848 $$ = scm_call_2 (scorify, $1, parser->self_scm ());
850 unsmob_score ($$)->origin ()->set_spot (@$);
852 | embedded_scm_active {
854 if (unsmob_score ($1))
855 score = new Score (*unsmob_score ($1));
858 parser->parser_error (@1, _("score expected"));
860 unsmob_score ($$)->origin ()->set_spot (@$);
861 $$ = score->unprotect ();
865 Score *score = unsmob_score ($1);
866 if (!ly_is_module (score->get_header ()))
867 score->set_header (ly_make_module (false));
868 parser->lexer_->add_scope (score->get_header ());
870 | score_body output_def {
871 Output_def *od = unsmob_output_def ($2);
872 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
874 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
879 unsmob_score ($1)->add_output_def (od);
883 unsmob_score ($$)->error_found_ = true;
894 Output_def *od = unsmob_output_def ($1);
896 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
898 parser->parser_error (@1, _ ("need \\paper for paper block"));
899 $$ = get_paper (parser)->unprotect ();
906 output_def_body '}' {
909 parser->lexer_->remove_scope ();
910 parser->lexer_->pop_state ();
916 Output_def *p = get_paper (parser);
917 p->input_origin_ = @$;
918 parser->lexer_->add_scope (p->scope_);
919 $$ = p->unprotect ();
922 Output_def *p = get_midi (parser);
923 $$ = p->unprotect ();
924 parser->lexer_->add_scope (p->scope_);
927 Output_def *p = get_layout (parser);
929 parser->lexer_->add_scope (p->scope_);
930 $$ = p->unprotect ();
934 output_def_head_with_mode_switch:
936 parser->lexer_->push_initial_state ();
941 // We need this weird nonterminal because both music as well as a
942 // context definition can start with \context and the difference is
943 // only apparent after looking at the next token. If it is '{', there
944 // is still time to escape from notes mode.
946 music_or_context_def:
948 | context_def_spec_block
952 output_def_head_with_mode_switch '{' {
954 unsmob_output_def ($$)->input_origin_.set_spot (@$);
956 | output_def_head_with_mode_switch '{' OUTPUT_DEF_IDENTIFIER {
957 Output_def *o = unsmob_output_def ($3);
958 o->input_origin_.set_spot (@$);
960 parser->lexer_->remove_scope ();
961 parser->lexer_->add_scope (o->scope_);
963 | output_def_body assignment {
966 | output_def_body embedded_scm {
971 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
972 parser->lexer_->push_note_state (nn);
973 } music_or_context_def
975 parser->lexer_->pop_state ();
976 if (unsmob_context_def ($3))
977 assign_context_def (unsmob_output_def ($1), $3);
980 SCM proc = parser->lexer_->lookup_identifier
981 ("output-def-music-handler");
982 scm_call_3 (proc, parser->self_scm (),
986 | output_def_body error {
992 TEMPO steno_duration '=' tempo_range {
993 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
995 | TEMPO scalar_closed steno_duration '=' tempo_range {
996 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
999 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1004 The representation of a list is reversed to have efficient append. */
1010 | music_list music_embedded {
1011 if (unsmob_music ($2))
1012 $$ = scm_cons ($2, $1);
1014 | music_list error {
1015 Music *m = MY_MAKE_MUSIC("Music", @$);
1017 m->set_property ("error-found", SCM_BOOL_T);
1018 $$ = scm_cons (m->self_scm (), $1);
1019 m->unprotect (); /* UGH */
1026 $$ = scm_reverse_x ($2, SCM_EOL);
1031 | lyric_element_music
1037 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1038 parser->parser_error (@1, _ ("unexpected post-event"));
1039 $$ = SCM_UNSPECIFIED;
1042 | music_embedded_backup
1046 | music_embedded_backup BACKUP lyric_element_music
1052 music_embedded_backup:
1055 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1057 else if (Music *m = unsmob_music ($1)) {
1058 if (m->is_mus_type ("post-event")) {
1059 parser->parser_error
1060 (@1, _ ("unexpected post-event"));
1061 $$ = SCM_UNSPECIFIED;
1064 } else if (parser->lexer_->is_lyric_state ()
1065 && Text_interface::is_markup ($1))
1066 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1068 @$.warning (_ ("Ignoring non-music expression"));
1077 $$ = make_music_from_simple (parser, @1, $1);
1078 if (!unsmob_music ($$))
1079 parser->parser_error (@1, _ ("music expected"));
1081 | composite_music %prec COMPOSITE
1086 | composite_music %prec COMPOSITE
1090 REPEAT simple_string unsigned_number music
1092 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1094 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1096 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1101 SEQUENTIAL braced_music_list {
1102 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1104 | braced_music_list {
1105 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1110 SIMULTANEOUS braced_music_list {
1111 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1113 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1114 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1120 | music_property_def
1124 context_modification:
1127 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1128 parser->lexer_->push_note_state (nn);
1129 } '{' context_mod_list '}'
1131 parser->lexer_->pop_state ();
1134 | WITH CONTEXT_MOD_IDENTIFIER
1138 | CONTEXT_MOD_IDENTIFIER
1142 | WITH context_modification_arg
1144 if (unsmob_music ($2)) {
1145 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
1146 $2 = scm_call_2 (proc, parser->self_scm (), $2);
1148 if (unsmob_context_mod ($2))
1151 parser->parser_error (@2, _ ("not a context mod"));
1152 $$ = Context_mod ().smobbed_copy ();
1157 context_modification_arg:
1162 optional_context_mod:
1166 | context_modification
1174 $$ = Context_mod ().smobbed_copy ();
1176 | context_mod_list context_mod {
1177 if (!SCM_UNBNDP ($2))
1178 unsmob_context_mod ($1)->add_context_mod ($2);
1180 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1181 Context_mod *md = unsmob_context_mod ($2);
1183 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1185 | context_mod_list context_mod_embedded {
1186 unsmob_context_mod ($1)->add_context_mods
1187 (unsmob_context_mod ($2)->get_mods ());
1196 /* Music that can be parsed without lookahead */
1199 | complex_music_prefix closed_music
1201 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1203 | music_function_call_closed
1209 | grouped_music_list
1213 simultaneous_music { $$ = $1; }
1214 | sequential_music { $$ = $1; }
1217 /* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence:
1218 MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
1219 and this rule returns the reversed list of arguments. */
1221 /* Function argument lists come in a number of flavors. Whenever
1222 * LilyPond has to pick between different flavors, the decision is
1223 * either made because of tokens it has already seen, or it is
1224 * postponed until tokens suitable for making the decision come up.
1225 * For postponing decisions, it may be necessary that the competing
1226 * rules are written in a way making them compatible until a decision
1227 * can be made. Sometimes this is done by putting common traits into
1228 * a separate "common" rule set.
1230 * function_arglist: a full argument list. Optional arguments at the
1231 * end of the list can only be skipped by writing \default in their
1234 * function_arglist_backup: an argument list ending in an optional
1235 * argument that may be skipped depending on its predicate.
1237 * function_arglist_skip: an argument list _not_ ending in an optional
1238 * argument that is actually taken.
1240 * function_arglist_nonbackup: an argument list ending in an optional
1241 * argument that may not be skipped because it is in end position and
1242 * has not been shortcircuited with \default.
1244 * function_arglist* / function_arglist_closed*: The closed variants
1245 * don't end in simple music expressions that might still accept
1246 * things like a duration or a postevent.
1249 function_arglist_skip:
1250 function_arglist_common
1251 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip
1253 $$ = scm_cons ($1, $3);
1254 } %prec FUNCTION_ARGLIST
1255 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip
1257 $$ = scm_cons ($1, $3);
1258 } %prec FUNCTION_ARGLIST
1259 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
1261 $$ = scm_cons ($1, $3);
1262 } %prec FUNCTION_ARGLIST
1266 function_arglist_nonbackup_common:
1267 EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION
1269 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1271 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger
1273 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1275 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED
1277 SCM n = scm_difference ($5, SCM_UNDEFINED);
1278 if (scm_is_true (scm_call_1 ($2, n)))
1279 $$ = scm_cons (n, $3);
1281 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1282 t->set_property ("digit", $5);
1283 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1288 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL
1290 $$ = check_scheme_arg (parser, @4,
1291 scm_difference ($5, SCM_UNDEFINED),
1294 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER
1296 $$ = check_scheme_arg (parser, @4,
1297 scm_difference ($5, SCM_UNDEFINED),
1302 function_arglist_closed_nonbackup:
1303 function_arglist_nonbackup_common
1304 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed
1306 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1308 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed
1310 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1312 | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1314 $$ = check_scheme_arg (parser, @4,
1315 try_string_variants ($2, $4),
1318 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1320 $$ = check_scheme_arg (parser, @4,
1321 try_string_variants ($2, $4),
1324 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1326 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1332 | SYMBOL_LIST '.' symbol_list_rev
1334 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1340 | symbol_list_rev '.' symbol_list_part
1342 $$ = scm_append_x (scm_list_2 ($3, $1));
1346 // symbol_list_part delivers elements in reverse copy.
1351 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1352 $$ = try_string_variants (sym_l_p, $1);
1353 if (SCM_UNBNDP ($$)) {
1354 parser->parser_error (@1, _("not a symbol"));
1357 $$ = scm_reverse ($$);
1362 symbol_list_element:
1368 function_arglist_nonbackup:
1369 function_arglist_nonbackup_common
1370 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length
1372 $$ = scm_cons ($4, $3);
1374 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords
1376 $$ = scm_cons ($4, $3);
1378 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg
1380 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1382 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number
1384 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1386 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1388 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1390 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1392 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1394 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1396 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1400 function_arglist_nonbackup_reparse:
1401 EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1404 SCM res = try_string_variants ($2, $4);
1405 if (!SCM_UNBNDP (res))
1406 if (scm_is_pair (res))
1407 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1409 MYREPARSE (@4, $2, SCM_ARG, res);
1410 else if (scm_is_true
1412 ($2, make_music_from_simple
1414 MYREPARSE (@4, $2, STRING, $4);
1416 MYREPARSE (@4, $2, SCM_ARG, $4);
1418 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1421 SCM res = try_string_variants ($2, $4);
1422 if (!SCM_UNBNDP (res))
1423 if (scm_is_pair (res))
1424 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1426 MYREPARSE (@4, $2, SCM_ARG, res);
1427 else if (scm_is_true
1429 ($2, make_music_from_simple
1431 MYREPARSE (@4, $2, STRING, $4);
1433 MYREPARSE (@4, $2, SCM_ARG, $4);
1435 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1438 if (scm_is_true (scm_call_1 ($2, $4)))
1439 MYREPARSE (@4, $2, SCM_ARG, $4);
1440 else if (scm_is_true
1442 ($2, make_music_from_simple
1444 MYREPARSE (@4, $2, STRING, $4);
1446 MYREPARSE (@4, $2, SCM_ARG, $4);
1450 function_arglist_keep:
1451 function_arglist_common
1452 | function_arglist_backup
1455 function_arglist_closed_keep:
1456 function_arglist_closed_common
1457 | function_arglist_backup
1460 function_arglist_backup:
1461 EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed
1463 if (scm_is_true (scm_call_1 ($2, $4)))
1465 $$ = scm_cons ($4, $3);
1467 $$ = scm_cons (loc_on_music (@3, $1), $3);
1468 MYBACKUP (SCM_ARG, $4, @4);
1471 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger
1473 if (scm_is_true (scm_call_1 ($2, $4)))
1475 $$ = scm_cons ($4, $3);
1477 $$ = scm_cons (loc_on_music (@3, $1), $3);
1478 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1481 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup
1483 if (scm_is_true (scm_call_1 ($2, $4)))
1484 $$ = scm_cons ($4, $3);
1486 $$ = scm_cons (loc_on_music (@3, $1), $3);
1487 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1490 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED
1492 if (scm_is_true (scm_call_1 ($2, $4)))
1495 MYREPARSE (@4, $2, UNSIGNED, $4);
1497 $$ = scm_cons (loc_on_music (@3, $1), $3);
1498 MYBACKUP (UNSIGNED, $4, @4);
1501 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL
1503 if (scm_is_true (scm_call_1 ($2, $4)))
1506 MYREPARSE (@4, $2, REAL, $4);
1508 $$ = scm_cons (loc_on_music (@3, $1), $3);
1509 MYBACKUP (REAL, $4, @4);
1512 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER
1514 if (scm_is_true (scm_call_1 ($2, $4)))
1516 $$ = scm_cons ($4, $3);
1518 $$ = scm_cons (loc_on_music (@3, $1), $3);
1519 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1522 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION
1524 if (scm_is_true (scm_call_1 ($2, $4)))
1526 $$ = scm_cons ($4, $3);
1528 $$ = scm_cons (loc_on_music (@3, $1), $3);
1529 MYBACKUP (FRACTION, $4, @4);
1532 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED
1534 SCM n = scm_difference ($5, SCM_UNDEFINED);
1535 if (scm_is_true (scm_call_1 ($2, n))) {
1537 MYREPARSE (@5, $2, REAL, n);
1539 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1540 t->set_property ("digit", $5);
1541 $$ = t->unprotect ();
1542 if (scm_is_true (scm_call_1 ($2, $$)))
1543 $$ = scm_cons ($$, $3);
1545 $$ = scm_cons (loc_on_music (@3, $1), $3);
1546 MYBACKUP (UNSIGNED, $5, @5);
1547 parser->lexer_->push_extra_token ('-');
1552 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL
1554 SCM n = scm_difference ($5, SCM_UNDEFINED);
1555 if (scm_is_true (scm_call_1 ($2, n))) {
1556 MYREPARSE (@5, $2, REAL, n);
1559 $$ = scm_cons (loc_on_music (@3, $1), $3);
1560 MYBACKUP (REAL, n, @5);
1563 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER
1565 SCM n = scm_difference ($5, SCM_UNDEFINED);
1566 if (scm_is_true (scm_call_1 ($2, n))) {
1567 $$ = scm_cons (n, $3);
1569 $$ = scm_cons (loc_on_music (@3, $1), $3);
1570 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1573 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords
1575 $$ = scm_cons ($4, $3);
1577 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length
1579 $$ = scm_cons ($4, $3);
1581 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER
1583 SCM res = try_string_variants ($2, $4);
1584 if (!SCM_UNBNDP (res))
1585 if (scm_is_pair (res)) {
1587 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1590 $$ = scm_cons (res, $3);
1592 $$ = scm_cons (loc_on_music (@3, $1), $3);
1593 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1596 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING
1598 SCM res = try_string_variants ($2, $4);
1599 if (!SCM_UNBNDP (res))
1600 if (scm_is_pair (res)) {
1602 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1605 $$ = scm_cons (res, $3);
1607 $$ = scm_cons (loc_on_music (@3, $1), $3);
1608 MYBACKUP (STRING, $4, @4);
1611 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP
1613 $$ = scm_cons ($1, $3);
1614 MYBACKUP(0, SCM_UNDEFINED, @3);
1616 | function_arglist_backup REPARSE bare_number
1618 $$ = check_scheme_arg (parser, @3,
1621 | function_arglist_backup REPARSE symbol_list_arg
1623 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1628 function_arglist_common
1629 | function_arglist_nonbackup
1632 function_arglist_common:
1633 function_arglist_bare
1634 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1636 $$ = check_scheme_arg (parser, @3,
1639 | EXPECT_SCM function_arglist_closed_optional bare_number
1641 $$ = check_scheme_arg (parser, @3,
1644 | EXPECT_SCM function_arglist_optional FRACTION
1646 $$ = check_scheme_arg (parser, @3,
1649 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1651 $$ = check_scheme_arg (parser, @3,
1654 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1656 SCM n = scm_difference ($4, SCM_UNDEFINED);
1657 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1659 | function_arglist_common_reparse REPARSE SCM_ARG
1661 $$ = check_scheme_arg (parser, @3,
1664 | function_arglist_common_reparse REPARSE lyric_element_music
1666 $$ = check_scheme_arg (parser, @3,
1669 | function_arglist_common_reparse REPARSE bare_number
1671 $$ = check_scheme_arg (parser, @3,
1674 | function_arglist_common_reparse REPARSE symbol_list_arg
1676 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1680 function_arglist_common_reparse:
1681 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1684 SCM res = try_string_variants ($1, $3);
1685 if (!SCM_UNBNDP (res))
1686 if (scm_is_pair (res))
1687 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1689 MYREPARSE (@3, $1, SCM_ARG, res);
1690 else if (scm_is_true
1692 ($1, make_music_from_simple (parser, @3, $3))))
1693 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1695 // This is going to flag a syntax error, we
1696 // know the predicate to be false.
1697 MYREPARSE (@3, $1, SCM_ARG, $3);
1699 | EXPECT_SCM function_arglist_optional STRING
1702 SCM res = try_string_variants ($1, $3);
1703 if (!SCM_UNBNDP (res))
1704 if (scm_is_pair (res))
1705 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1707 MYREPARSE (@3, $1, SCM_ARG, res);
1708 else if (scm_is_true
1710 ($1, make_music_from_simple (parser, @3, $3))))
1711 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1713 // This is going to flag a syntax error, we
1714 // know the predicate to be false.
1715 MYREPARSE (@3, $1, SCM_ARG, $3);
1717 | EXPECT_SCM function_arglist_optional full_markup
1720 if (scm_is_true (scm_call_1 ($1, $3)))
1721 MYREPARSE (@3, $1, SCM_ARG, $3);
1722 else if (scm_is_true
1724 ($1, make_music_from_simple (parser, @3, $3))))
1725 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1727 // This is going to flag a syntax error, we
1728 // know the predicate to be false.
1729 MYREPARSE (@3, $1, SCM_ARG, $3);
1731 | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED
1734 SCM n = scm_difference ($4, SCM_UNDEFINED);
1735 if (scm_is_true (scm_call_1 ($1, n)))
1736 MYREPARSE (@4, $1, REAL, n);
1738 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
1739 t->set_property ("digit", $4);
1740 SCM m = t->unprotect ();
1741 if (scm_is_true (scm_call_1 ($1, m)))
1742 MYREPARSE (@4, $1, SCM_ARG, m);
1744 MYREPARSE (@4, $1, SCM_ARG, $4);
1748 | EXPECT_SCM function_arglist_closed_optional '-' REAL
1751 SCM n = scm_difference ($4, SCM_UNDEFINED);
1752 MYREPARSE (@4, $1, REAL, n);
1756 function_arglist_closed:
1757 function_arglist_closed_common
1758 | function_arglist_closed_nonbackup
1761 function_arglist_closed_common:
1762 function_arglist_bare
1763 | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed
1765 $$ = check_scheme_arg (parser, @3,
1768 | EXPECT_SCM function_arglist_closed_optional bare_number
1770 $$ = check_scheme_arg (parser, @3,
1773 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1775 $$ = check_scheme_arg (parser, @3,
1776 scm_difference ($4, SCM_UNDEFINED),
1779 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1781 $$ = check_scheme_arg (parser, @3,
1784 | EXPECT_SCM function_arglist_optional FRACTION
1786 $$ = check_scheme_arg (parser, @3,
1789 | function_arglist_common_reparse REPARSE SCM_ARG
1791 $$ = check_scheme_arg (parser, @3,
1794 | function_arglist_common_reparse REPARSE bare_number
1796 $$ = check_scheme_arg (parser, @3,
1799 | function_arglist_common_reparse REPARSE symbol_list_arg
1801 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1805 function_arglist_optional:
1806 function_arglist_keep %prec FUNCTION_ARGLIST
1807 | function_arglist_backup BACKUP
1808 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
1810 $$ = scm_cons ($1, $3);
1812 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
1814 $$ = scm_cons ($1, $3);
1818 function_arglist_closed_optional:
1819 function_arglist_closed_keep %prec FUNCTION_ARGLIST
1820 | function_arglist_backup BACKUP
1821 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
1823 $$ = scm_cons ($1, $3);
1825 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
1827 $$ = scm_cons ($1, $3);
1831 embedded_scm_closed:
1833 | scm_function_call_closed
1836 embedded_scm_arg_closed:
1837 embedded_scm_bare_arg
1838 | scm_function_call_closed
1842 scm_function_call_closed:
1843 SCM_FUNCTION function_arglist_closed {
1844 $$ = MAKE_SYNTAX ("music-function", @$,
1846 } %prec FUNCTION_ARGLIST
1849 function_arglist_bare:
1850 EXPECT_NO_MORE_ARGS {
1853 | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
1854 $$ = scm_cons ($3, $2);
1856 | EXPECT_DURATION function_arglist_closed_optional duration_length {
1857 $$ = scm_cons ($3, $2);
1859 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT {
1860 $$ = scm_cons ($1, $3);
1862 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT {
1863 $$ = scm_cons ($1, $3);
1865 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT {
1866 $$ = scm_cons ($1, $3);
1870 music_function_call:
1871 MUSIC_FUNCTION function_arglist {
1872 $$ = MAKE_SYNTAX ("music-function", @$,
1879 /**/ { $$ = SCM_EOL; }
1880 | '=' simple_string {
1887 | repeated_music { $$ = $1; }
1888 | re_rhythmed_music { $$ = $1; }
1889 | complex_music_prefix music
1891 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1895 complex_music_prefix:
1896 CONTEXT symbol optional_id optional_context_mod {
1897 Context_mod *ctxmod = unsmob_context_mod ($4);
1900 mods = ctxmod->get_mods ();
1901 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
1903 | NEWCONTEXT symbol optional_id optional_context_mod {
1904 Context_mod *ctxmod = unsmob_context_mod ($4);
1907 mods = ctxmod->get_mods ();
1908 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
1913 mode_changing_head grouped_music_list {
1914 if ($1 == ly_symbol2scm ("chords"))
1916 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
1922 parser->lexer_->pop_state ();
1924 | mode_changing_head_with_context optional_context_mod grouped_music_list {
1925 Context_mod *ctxmod = unsmob_context_mod ($2);
1928 mods = ctxmod->get_mods ();
1929 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
1930 if ($1 == ly_symbol2scm ("ChordNames"))
1932 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
1934 parser->lexer_->pop_state ();
1940 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1941 parser->lexer_->push_note_state (nn);
1943 $$ = ly_symbol2scm ("notes");
1947 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1948 parser->lexer_->push_note_state (nn);
1950 $$ = ly_symbol2scm ("drums");
1953 parser->lexer_->push_figuredbass_state ();
1955 $$ = ly_symbol2scm ("figures");
1958 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1959 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1960 nn = parser->lexer_->lookup_identifier ("pitchnames");
1961 parser->lexer_->push_chord_state (nn);
1962 $$ = ly_symbol2scm ("chords");
1966 { parser->lexer_->push_lyric_state ();
1967 $$ = ly_symbol2scm ("lyrics");
1971 mode_changing_head_with_context:
1973 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1974 parser->lexer_->push_note_state (nn);
1976 $$ = ly_symbol2scm ("DrumStaff");
1979 parser->lexer_->push_figuredbass_state ();
1981 $$ = ly_symbol2scm ("FiguredBass");
1984 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1985 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1986 nn = parser->lexer_->lookup_identifier ("pitchnames");
1987 parser->lexer_->push_chord_state (nn);
1988 $$ = ly_symbol2scm ("ChordNames");
1991 { parser->lexer_->push_lyric_state ();
1992 $$ = ly_symbol2scm ("Lyrics");
1997 ADDLYRICS { parser->lexer_->push_lyric_state (); }
2000 /* Can also use music at the expensive of two S/Rs similar to
2001 \repeat \alternative */
2002 parser->lexer_->pop_state ();
2004 $$ = scm_cons ($3, SCM_EOL);
2006 | new_lyrics ADDLYRICS {
2007 parser->lexer_->push_lyric_state ();
2009 parser->lexer_->pop_state ();
2010 $$ = scm_cons ($4, $1);
2015 composite_music new_lyrics {
2016 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2018 | LYRICSTO simple_string {
2019 parser->lexer_->push_lyric_state ();
2021 parser->lexer_->pop_state ();
2022 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $4);
2027 CHANGE STRING '=' STRING {
2028 $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4);
2035 $$ = scm_reverse_x ($1, SCM_EOL);
2037 | symbol_list_rev property_path {
2038 $$ = scm_reverse_x ($1, $2);
2044 $$ = scm_list_3 (ly_symbol2scm ("assign"), $1, $3);
2047 $$ = scm_list_2 (ly_symbol2scm ("unset"), $2);
2049 | OVERRIDE property_path '=' scalar {
2050 if (scm_ilength ($2) < 2) {
2051 parser->parser_error (@2, _("bad grob property path"));
2054 $$ = scm_cons (ly_symbol2scm ("push"),
2055 scm_cons2 (scm_car ($2),
2060 | REVERT revert_arg {
2061 $$ = scm_cons (ly_symbol2scm ("pop"), $2);
2065 // This is all quite awkward for the sake of substantial backward
2066 // compatibility while at the same time allowing a more "natural" form
2067 // of specification not separating grob specification from grob
2068 // property path. The purpose of this definition of revert_arg is to
2069 // allow the symbol list which specifies grob and property to revert
2070 // to be optionally be split into two parts after the grob (which in
2071 // this case is just the first element of the list). symbol_list_part
2072 // is only one path component, but it can be parsed without lookahead,
2073 // so we can follow it with a synthetic BACKUP token when needed. If
2074 // the first symbol_list_part already contains multiple elements (only
2075 // possible if a Scheme expression provides them), we just parse for
2076 // additional elements introduced by '.', which is what the
2077 // SYMBOL_LIST backup in connection with the immediately following
2078 // rule using symbol_list_arg does.
2080 // As long as we don't have our coffers filled with both grob and at
2081 // least one grob property specification, the rest of the required
2082 // symbol list chain may be provided either with or without a leading
2083 // dot. This is for both allowing the traditional
2084 // \revert Accidental #'color
2085 // as well as well as the "naive" form
2086 // \revert Accidental.color
2089 revert_arg_backup BACKUP symbol_list_arg
2098 if (scm_is_null ($1)
2099 || scm_is_null (scm_cdr ($1)))
2100 MYBACKUP (SCM_ARG, $1, @1);
2102 MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
2106 // revert_arg_part delivers results in reverse
2109 | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part
2111 $$ = scm_append_x (scm_list_2 ($5, $3));
2113 | revert_arg_backup BACKUP SCM_ARG symbol_list_part
2115 $$ = scm_append_x (scm_list_2 ($4, $3));
2120 CONSISTS { $$ = ly_symbol2scm ("consists"); }
2121 | REMOVE { $$ = ly_symbol2scm ("remove"); }
2123 | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
2124 | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
2125 | DENIES { $$ = ly_symbol2scm ("denies"); }
2127 | ALIAS { $$ = ly_symbol2scm ("alias"); }
2128 | TYPE { $$ = ly_symbol2scm ("translator-type"); }
2129 | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
2130 | NAME { $$ = ly_symbol2scm ("context-name"); }
2134 property_operation { $$ = $1; }
2135 | context_def_mod STRING {
2136 $$ = scm_list_2 ($1, $2);
2138 | context_def_mod embedded_scm
2140 if (!scm_is_string ($2)
2141 && ly_symbol2scm ("consists") != $1
2142 && ly_symbol2scm ("remove") != $1)
2145 parser->parser_error (@1, _ ("only \\consists and \\remove take non-string argument."));
2149 $$ = scm_list_2 ($1, $2);
2154 // If defined, at least two members.
2158 SCM l = scm_reverse_x ($1, SCM_EOL);
2161 (scm_object_property (scm_car (l),
2162 ly_symbol2scm ("is-grob?"))))
2163 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2164 if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
2165 parser->parser_error (@1, _ ("bad grob property path"));
2172 // If defined, at least three members
2176 if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
2178 parser->parser_error (@1, _ ("bad grob property path"));
2182 | grob_prop_spec property_path
2184 if (!SCM_UNBNDP ($1)) {
2185 $$ = scm_append_x (scm_list_2 ($1, $2));
2186 if (scm_is_null (scm_cddr ($$))) {
2187 parser->parser_error (@$, _ ("bad grob property path"));
2195 // Exactly two elements or undefined
2199 SCM l = scm_reverse_x ($1, SCM_EOL);
2200 switch (scm_ilength (l)) {
2202 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2206 parser->parser_error (@1, _ ("bad context property path"));
2213 simple_music_property_def:
2214 OVERRIDE grob_prop_path '=' scalar {
2215 if (SCM_UNBNDP ($2))
2218 $$ = scm_list_5 (scm_car ($2),
2219 ly_symbol2scm ("OverrideProperty"),
2225 | REVERT simple_revert_context revert_arg {
2226 $$ = scm_list_4 ($2,
2227 ly_symbol2scm ("RevertProperty"),
2231 | SET context_prop_spec '=' scalar {
2232 if (SCM_UNBNDP ($2))
2235 $$ = scm_list_4 (scm_car ($2),
2236 ly_symbol2scm ("PropertySet"),
2240 | UNSET context_prop_spec {
2241 if (SCM_UNBNDP ($2))
2244 $$ = scm_list_3 (scm_car ($2),
2245 ly_symbol2scm ("PropertyUnset"),
2251 // This is all quite awkward for the sake of substantial backward
2252 // compatibility while at the same time allowing a more "natural" form
2253 // of specification not separating grob specification from grob
2254 // property path. The purpose of this definition of
2255 // simple_revert_context is to allow the symbol list which specifies
2256 // grob and property to revert to be optionally be split into two
2257 // parts after the grob (which may be preceded by a context
2258 // specification, a case which we distinguish by checking whether the
2259 // first symbol is a valid grob symbol instead).
2261 // See revert_arg above for the main work horse of this arrangement.
2262 // simple_revert_context just caters for the context and delegates the
2263 // rest of the job to revert_arg.
2265 simple_revert_context:
2268 $1 = scm_reverse_x ($1, SCM_EOL);
2269 if (scm_is_null ($1)
2271 (scm_object_property (scm_car ($1),
2272 ly_symbol2scm ("is-grob?")))) {
2273 $$ = ly_symbol2scm ("Bottom");
2274 parser->lexer_->push_extra_token (SCM_IDENTIFIER, $1);
2277 parser->lexer_->push_extra_token (SCM_IDENTIFIER,
2284 simple_music_property_def {
2285 if (SCM_UNBNDP ($1))
2286 $$ = MAKE_SYNTAX ("void-music", @1);
2288 $$ = LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("property-operation"), scm_cons2 (parser->self_scm (), make_input (@$), $1));
2299 simple_string: STRING {
2304 if (scm_is_string ($1)) {
2307 parser->parser_error (@1, (_ ("simple string expected")));
2308 $$ = scm_string (SCM_EOL);
2315 $$ = scm_string_to_symbol ($1);
2319 // This is a bit of overkill but makes the same
2320 // routine responsible for all symbol interpretations.
2321 $$ = try_string_variants (ly_lily_module_constant ("symbol?"),
2323 if (SCM_UNBNDP ($$))
2325 parser->parser_error (@1, (_ ("symbol expected")));
2326 // Generate a unique symbol in case it is used
2327 // for an assignment or similar
2328 $$ = scm_make_symbol (ly_string2scm ("undefined"));
2337 // The following is a rather defensive variant of admitting
2338 // negative numbers: the grammar would permit number_factor or
2339 // even number_expression. However, function arguments allow
2340 // only this simple kind of negative number, so to have things
2341 // like \tweak and \override behave reasonably similar, it
2342 // makes sense to rule out things like -- which are rather an
2343 // accent in function argument contexts.
2346 $$ = scm_difference ($2, SCM_UNDEFINED);
2354 embedded_scm_arg_closed
2356 // for scalar_closed to be an actually closed (no lookahead)
2357 // expression, we'd need to use bare_number_closed here. It
2358 // turns out that the only use of scalar_closed in TEMPO is
2359 // not of the kind requiring the full closedness criterion.
2363 $$ = scm_difference ($2, SCM_UNDEFINED);
2372 simple_element post_events {
2373 // Let the rhythmic music iterator sort this mess out.
2374 if (scm_is_pair ($2)) {
2375 $$ = make_music_from_simple (parser, @1, $1);
2376 if (unsmob_music ($$))
2377 unsmob_music ($$)->set_property ("articulations",
2378 scm_reverse_x ($2, SCM_EOL));
2380 parser->parser_error (@1, _("music expected"));
2383 | simple_chord_elements post_events {
2384 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
2387 /* why is this giving wrong start location? -ns
2389 i.set_location (@1, @2);
2390 $$ = MAKE_SYNTAX ("event-chord", i, elts);
2392 | CHORD_REPETITION optional_notemode_duration post_events {
2394 i.set_location (@1, @3);
2395 $$ = MAKE_SYNTAX ("repetition-chord", i,
2396 $2, scm_reverse_x ($3, SCM_EOL));
2398 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2400 i.set_location (@1, @3);
2401 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2402 scm_reverse_x ($3, SCM_EOL));
2405 | note_chord_element
2410 chord_body optional_notemode_duration post_events
2412 Music *m = unsmob_music ($1);
2413 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2414 SCM es = m->get_property ("elements");
2415 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2417 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2418 unsmob_music (scm_car (s))->set_property ("duration", dur);
2419 es = ly_append2 (es, postevs);
2421 m-> set_property ("elements", es);
2423 $$ = m->self_scm ();
2428 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2430 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2434 chord_body_elements:
2435 /* empty */ { $$ = SCM_EOL; }
2436 | chord_body_elements chord_body_element {
2437 if (!SCM_UNBNDP ($2))
2438 $$ = scm_cons ($2, $1);
2443 pitch exclamations questions octave_check post_events
2445 bool q = to_boolean ($3);
2446 bool ex = to_boolean ($2);
2450 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2451 n->set_property ("pitch", $1);
2453 n->set_property ("cautionary", SCM_BOOL_T);
2455 n->set_property ("force-accidental", SCM_BOOL_T);
2457 if (scm_is_pair (post)) {
2458 SCM arts = scm_reverse_x (post, SCM_EOL);
2459 n->set_property ("articulations", arts);
2461 if (scm_is_number (check))
2463 int q = scm_to_int (check);
2464 n->set_property ("absolute-octave", scm_from_int (q-1));
2467 $$ = n->unprotect ();
2469 | DRUM_PITCH post_events {
2470 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2471 n->set_property ("drum-type", $1);
2473 if (scm_is_pair ($2)) {
2474 SCM arts = scm_reverse_x ($2, SCM_EOL);
2475 n->set_property ("articulations", arts);
2477 $$ = n->unprotect ();
2479 | music_function_chord_body
2481 Music *m = unsmob_music ($1);
2483 while (m && m->is_mus_type ("music-wrapper-music")) {
2484 $$ = m->get_property ("element");
2485 m = unsmob_music ($$);
2488 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2489 parser->parser_error (@$, _ ("not a rhythmic event"));
2495 music_function_chord_body:
2500 // Event functions may only take closed arglists, otherwise it would
2501 // not be clear whether a following postevent should be associated
2502 // with the last argument of the event function or with the expression
2503 // for which the function call acts itself as event.
2505 music_function_call_closed:
2506 MUSIC_FUNCTION function_arglist_closed {
2507 $$ = MAKE_SYNTAX ("music-function", @$,
2512 event_function_event:
2513 EVENT_FUNCTION function_arglist_closed {
2514 $$ = MAKE_SYNTAX ("music-function", @$,
2536 | post_events post_event {
2538 if (Music *m = unsmob_music ($2))
2540 if (m->is_mus_type ("post-event-wrapper"))
2542 for (SCM p = m->get_property ("elements");
2546 $$ = scm_cons (scm_car (p), $$);
2550 $$ = scm_cons ($2, $$);
2556 post_event_nofinger:
2557 direction_less_event {
2560 | script_dir music_function_call_closed {
2562 if (!unsmob_music ($2)->is_mus_type ("post-event")) {
2563 parser->parser_error (@2, _ ("post-event expected"));
2564 $$ = SCM_UNSPECIFIED;
2565 } else if (!SCM_UNBNDP ($1))
2567 unsmob_music ($$)->set_property ("direction", $1);
2571 if (!parser->lexer_->is_lyric_state ())
2572 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2573 $$ = MY_MAKE_MUSIC ("HyphenEvent", @$)->unprotect ();
2576 if (!parser->lexer_->is_lyric_state ())
2577 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2578 $$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
2580 | script_dir direction_reqd_event {
2581 if (!SCM_UNBNDP ($1))
2583 Music *m = unsmob_music ($2);
2584 m->set_property ("direction", $1);
2588 | script_dir direction_less_event {
2589 if (!SCM_UNBNDP ($1))
2591 Music *m = unsmob_music ($2);
2592 m->set_property ("direction", $1);
2599 unsmob_music ($$)->set_property ("direction", scm_from_int (UP));
2604 unsmob_music ($$)->set_property ("direction", scm_from_int (DOWN));
2615 string_number_event:
2617 Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
2618 s->set_property ("string-number", $1);
2619 $$ = s->unprotect ();
2623 direction_less_event:
2625 | EVENT_IDENTIFIER {
2629 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2630 a->set_property ("tremolo-type", $1);
2631 $$ = a->unprotect ();
2633 | event_function_event
2636 direction_reqd_event:
2640 | script_abbreviation {
2641 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2642 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2643 if (scm_is_string (s))
2644 a->set_property ("articulation-type", s);
2645 else parser->parser_error (@1, _ ("expecting string as script definition"));
2646 $$ = a->unprotect ();
2651 /**/ { $$ = SCM_EOL; }
2652 | '=' quotes { $$ = $2; }
2666 $$ = scm_from_int (1);
2669 $$ = scm_oneplus ($1);
2675 $$ = scm_from_int (-1);
2678 $$ = scm_oneminus ($1);
2683 NOTENAME_PITCH quotes {
2684 if (!scm_is_eq (SCM_INUM0, $2))
2686 Pitch p = *unsmob_pitch ($1);
2687 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2688 $$ = p.smobbed_copy ();
2698 TONICNAME_PITCH quotes {
2699 if (!scm_is_eq (SCM_INUM0, $2))
2701 Pitch p = *unsmob_pitch ($1);
2702 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2703 $$ = p.smobbed_copy ();
2713 pitch_also_in_chords:
2720 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2721 t->set_property ("text", $1);
2722 $$ = t->unprotect ();
2725 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2726 t->set_property ("text",
2727 make_simple_markup ($1));
2728 $$ = t->unprotect ();
2730 | embedded_scm_closed
2732 Music *m = unsmob_music ($1);
2733 if (m && m->is_mus_type ("post-event"))
2735 else if (Text_interface::is_markup ($1)) {
2736 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2737 t->set_property ("text", $1);
2738 $$ = t->unprotect ();
2740 parser->parser_error (@1, _ ("not an articulation"));
2746 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2747 t->set_property ("digit", $1);
2748 $$ = t->unprotect ();
2752 script_abbreviation:
2754 $$ = scm_from_locale_string ("Hat");
2757 $$ = scm_from_locale_string ("Plus");
2760 $$ = scm_from_locale_string ("Dash");
2763 $$ = scm_from_locale_string ("Bang");
2766 $$ = scm_from_locale_string ("Larger");
2769 $$ = scm_from_locale_string ("Dot");
2772 $$ = scm_from_locale_string ("Underscore");
2777 '_' { $$ = scm_from_int (DOWN); }
2778 | '^' { $$ = scm_from_int (UP); }
2779 | '-' { $$ = SCM_UNDEFINED; }
2783 multiplied_duration {
2788 maybe_notemode_duration:
2792 | multiplied_duration {
2794 parser->default_duration_ = *unsmob_duration ($$);
2799 optional_notemode_duration:
2800 maybe_notemode_duration
2802 if (SCM_UNBNDP ($$))
2803 $$ = parser->default_duration_.smobbed_copy ();
2810 int n = scm_to_int ($1);
2811 if (!is_duration (n))
2812 parser->parser_error (@1, _f ("not a duration: %d", n));
2816 $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
2818 | DURATION_IDENTIFIER dots {
2819 Duration *d = unsmob_duration ($1);
2820 Duration k (d->duration_log (),
2821 d->dot_count () + scm_to_int ($2));
2822 k = k.compressed (d->factor ());
2823 scm_remember_upto_here_1 ($1);
2824 $$ = k.smobbed_copy ();
2828 multiplied_duration:
2832 | multiplied_duration '*' UNSIGNED {
2833 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
2835 | multiplied_duration '*' FRACTION {
2836 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
2838 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
2847 $$ = scm_oneplus ($1);
2856 int n = scm_to_int ($2);
2857 if (!is_duration (n))
2858 parser->parser_error (@2, _f ("not a duration: %d", n));
2864 UNSIGNED { $$ = $1; }
2865 | STRING { $$ = $1; }
2866 | full_markup { $$ = $1; }
2869 // as an integer, it needs to be non-negative, and otherwise
2870 // it needs to be suitable as a markup.
2871 if (scm_is_integer ($1)
2872 ? scm_is_true (scm_negative_p ($1))
2873 : !Text_interface::is_markup ($1))
2875 parser->parser_error (@1, _ ("bass number expected"));
2881 figured_bass_alteration:
2882 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
2883 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
2884 | '!' { $$ = scm_from_int (0); }
2889 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2890 $$ = bfr->unprotect ();
2893 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2894 $$ = bfr->self_scm ();
2896 if (scm_is_number ($1))
2897 bfr->set_property ("figure", $1);
2898 else if (Text_interface::is_markup ($1))
2899 bfr->set_property ("text", $1);
2905 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
2907 | bass_figure figured_bass_alteration {
2908 Music *m = unsmob_music ($1);
2909 if (scm_to_double ($2)) {
2910 SCM salter = m->get_property ("alteration");
2911 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
2912 m->set_property ("alteration",
2913 scm_sum (alter, $2));
2915 m->set_property ("alteration", scm_from_int (0));
2918 | bass_figure figured_bass_modification {
2919 Music *m = unsmob_music ($1);
2920 m->set_property ($2, SCM_BOOL_T);
2925 figured_bass_modification:
2927 $$ = ly_symbol2scm ("augmented");
2930 $$ = ly_symbol2scm ("no-continuation");
2933 $$ = ly_symbol2scm ("diminished");
2936 $$ = ly_symbol2scm ("augmented-slash");
2946 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
2954 | figure_list br_bass_figure {
2955 $$ = scm_cons ($2, $1);
2960 FIGURE_OPEN figure_list FIGURE_CLOSE {
2961 $$ = scm_reverse_x ($2, SCM_EOL);
2967 /**/ { $$ = SCM_BOOL_F; }
2968 | REST { $$ = SCM_BOOL_T; }
2972 pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
2973 if (!parser->lexer_->is_note_state ())
2974 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
2975 if (!SCM_UNBNDP ($2)
2977 || scm_is_number ($4)
2979 || scm_is_true ($6))
2982 if (scm_is_true ($6))
2983 n = MY_MAKE_MUSIC ("RestEvent", @$);
2985 n = MY_MAKE_MUSIC ("NoteEvent", @$);
2987 n->set_property ("pitch", $1);
2988 if (SCM_UNBNDP ($5))
2989 n->set_property ("duration",
2990 parser->default_duration_.smobbed_copy ());
2992 n->set_property ("duration", $5);
2994 if (scm_is_number ($4))
2996 int q = scm_to_int ($4);
2997 n->set_property ("absolute-octave", scm_from_int (q-1));
3000 if (to_boolean ($3))
3001 n->set_property ("cautionary", SCM_BOOL_T);
3002 if (to_boolean ($2) || to_boolean ($3))
3003 n->set_property ("force-accidental", SCM_BOOL_T);
3005 $$ = n->unprotect ();
3008 | DRUM_PITCH optional_notemode_duration {
3009 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
3010 n->set_property ("duration", $2);
3011 n->set_property ("drum-type", $1);
3013 $$ = n->unprotect ();
3015 | RESTNAME optional_notemode_duration {
3017 if (ly_scm2string ($1) == "s") {
3019 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
3022 ev = MY_MAKE_MUSIC ("RestEvent", @$);
3025 ev->set_property ("duration", $2);
3026 $$ = ev->unprotect ();
3030 simple_chord_elements:
3032 if (!parser->lexer_->is_chord_state ())
3033 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
3036 | figure_spec optional_notemode_duration {
3037 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
3039 unsmob_music (scm_car (s))->set_property ("duration", $2);
3047 if (!parser->lexer_->is_lyric_state ())
3048 parser->parser_error (@1, _ ("markup outside of text script or \\lyricmode"));
3052 if (!parser->lexer_->is_lyric_state ())
3053 parser->parser_error (@1, _ ("unrecognized string, not in text script or \\lyricmode"));
3059 lyric_element_music:
3060 lyric_element optional_notemode_duration post_events {
3061 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3062 if (scm_is_pair ($3))
3063 unsmob_music ($$)->set_property
3064 ("articulations", scm_reverse_x ($3, SCM_EOL));
3069 steno_tonic_pitch optional_notemode_duration {
3070 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3072 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3073 SCM its = scm_reverse_x ($4, SCM_EOL);
3074 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3082 | chord_items chord_item {
3083 $$ = scm_cons ($2, $$);
3089 $$ = ly_symbol2scm ("chord-colon");
3092 $$ = ly_symbol2scm ("chord-caret");
3094 | CHORD_SLASH steno_tonic_pitch {
3095 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3097 | CHORD_BASS steno_tonic_pitch {
3098 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3107 $$ = scm_reverse_x ($1, SCM_EOL);
3115 step_number { $$ = scm_cons ($1, SCM_EOL); }
3116 | step_numbers '.' step_number {
3117 $$ = scm_cons ($3, $$);
3123 $$ = make_chord_step ($1, 0);
3126 $$ = make_chord_step ($1, SHARP_ALTERATION);
3128 | UNSIGNED CHORD_MINUS {
3129 $$ = make_chord_step ($1, FLAT_ALTERATION);
3137 | UNSIGNED '-' UNSIGNED {
3138 $$ = scm_cons ($1, $3);
3145 TODO: should deprecate in favor of Scheme?
3149 number_expression '+' number_term {
3150 $$ = scm_sum ($1, $3);
3152 | number_expression '-' number_term {
3153 $$ = scm_difference ($1, $3);
3162 | number_factor '*' number_factor {
3163 $$ = scm_product ($1, $3);
3165 | number_factor '/' number_factor {
3166 $$ = scm_divide ($1, $3);
3171 '-' number_factor { /* %prec UNARY_MINUS */
3172 $$ = scm_difference ($2, SCM_UNDEFINED);
3180 | UNSIGNED NUMBER_IDENTIFIER {
3181 $$ = scm_product ($1, $2);
3183 | REAL NUMBER_IDENTIFIER {
3184 $$ = scm_product ($1, $2);
3200 { $$ = SCM_UNDEFINED; }
3203 if (SCM_UNBNDP ($1))
3211 { $$ = SCM_UNDEFINED; }
3214 if (SCM_UNBNDP ($1))
3223 { parser->lexer_->push_markup_state (); }
3226 parser->lexer_->pop_state ();
3232 { parser->lexer_->push_markup_state (); }
3235 parser->lexer_->pop_state ();
3240 simple_markup_list {
3241 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3243 | markup_head_1_list simple_markup
3245 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3246 @2, $1, scm_list_1 ($2)));
3256 if (Text_interface::is_markup ($1))
3257 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3258 else if (Text_interface::is_markup_list ($1))
3259 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3261 parser->parser_error (@1, _ ("not a markup"));
3262 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3269 markup_composed_list {
3272 | markup_uncomposed_list
3275 markup_uncomposed_list:
3276 markup_braced_list {
3279 | markup_command_list {
3280 $$ = scm_list_1 ($1);
3282 | markup_scm MARKUPLIST_IDENTIFIER
3292 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
3298 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3299 parser->lexer_->push_note_state (nn);
3300 } '{' score_body '}' {
3302 parser->lexer_->pop_state ();
3306 markup_composed_list:
3307 markup_head_1_list markup_uncomposed_list {
3308 $$ = MAKE_SYNTAX ("composed-markup-list",
3314 '{' markup_braced_list_body '}' {
3315 $$ = scm_reverse_x ($2, SCM_EOL);
3319 markup_braced_list_body:
3320 /* empty */ { $$ = SCM_EOL; }
3321 | markup_braced_list_body markup {
3322 $$ = scm_cons ($2, $1);
3324 | markup_braced_list_body simple_markup_list {
3325 $$ = scm_reverse_x ($2, $1);
3329 markup_command_list:
3330 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3331 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3335 markup_command_basic_arguments:
3336 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3337 $$ = scm_cons ($3, $2);
3339 | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
3340 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3342 | EXPECT_NO_MORE_ARGS {
3347 markup_command_list_arguments:
3348 markup_command_basic_arguments { $$ = $1; }
3349 | EXPECT_MARKUP markup_command_list_arguments markup {
3350 $$ = scm_cons ($3, $2);
3355 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3356 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3361 markup_head_1_item {
3362 $$ = scm_list_1 ($1);
3364 | markup_head_1_list markup_head_1_item {
3365 $$ = scm_cons ($2, $1);
3371 $$ = make_simple_markup ($1);
3373 | MARKUP_FUNCTION markup_command_basic_arguments {
3374 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3376 | markup_scm MARKUP_IDENTIFIER
3382 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
3387 markup_head_1_list simple_markup
3389 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3390 @2, $1, scm_list_1 ($2)));
3400 Lily_parser::set_yydebug (bool x)
3406 Lily_parser::do_yyparse ()
3408 SCM retval = SCM_UNDEFINED;
3409 yyparse (this, &retval);
3419 It is a little strange to have this function in this file, but
3420 otherwise, we have to import music classes into the lexer.
3424 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3426 if (unsmob_book (sid)) {
3427 Book *book = unsmob_book (sid)->clone ();
3428 *destination = book->self_scm ();
3431 return BOOK_IDENTIFIER;
3432 } else if (scm_is_number (sid)) {
3434 return NUMBER_IDENTIFIER;
3435 } else if (unsmob_context_def (sid)) {
3436 Context_def *def= unsmob_context_def (sid)->clone ();
3438 *destination = def->self_scm ();
3441 return CONTEXT_DEF_IDENTIFIER;
3442 } else if (unsmob_context_mod (sid)) {
3443 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3445 return CONTEXT_MOD_IDENTIFIER;
3446 } else if (Music *mus = unsmob_music (sid)) {
3447 mus = mus->clone ();
3448 *destination = mus->self_scm ();
3449 bool is_event = mus->is_mus_type ("post-event");
3451 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3452 } else if (unsmob_pitch (sid)) {
3453 *destination = unsmob_pitch (sid)->smobbed_copy ();
3454 return PITCH_IDENTIFIER;
3455 } else if (unsmob_duration (sid)) {
3456 *destination = unsmob_duration (sid)->smobbed_copy ();
3457 return DURATION_IDENTIFIER;
3458 } else if (unsmob_output_def (sid)) {
3459 Output_def *p = unsmob_output_def (sid);
3462 *destination = p->self_scm ();
3464 return OUTPUT_DEF_IDENTIFIER;
3471 get_next_unique_context_id ()
3473 return scm_from_locale_string ("$uniqueContextId");
3478 get_next_unique_lyrics_context_id ()
3480 static int new_context_count;
3482 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3483 return scm_from_locale_string (s);
3486 // check_scheme_arg checks one argument with a given predicate for use
3487 // in an argument list and throws a syntax error if it is unusable.
3488 // The argument is prepended to the argument list in any case. After
3489 // throwing a syntax error, the argument list is terminated with #f as
3490 // its last cdr in order to mark it as uncallable while not losing
3491 // track of its total length.
3493 // There are a few special considerations: if optional argument disp
3494 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3495 // instead of arg in a prospective error message. This is useful if
3496 // arg is not the actual argument but rather a transformation of it.
3498 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3499 // and an error message using disp is produced unconditionally.
3501 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3502 SCM arg, SCM args, SCM pred, SCM disp)
3504 if (SCM_UNBNDP (arg))
3505 args = scm_cons (disp, args);
3507 args = scm_cons (arg, args);
3508 if (scm_is_true (scm_call_1 (pred, arg)))
3511 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3512 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3513 SCM_UNBNDP (disp) ? arg : disp);
3514 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3518 SCM loc_on_music (Input loc, SCM arg)
3520 if (Music *m = unsmob_music (arg))
3524 return m->unprotect ();
3530 try_string_variants (SCM pred, SCM str)
3532 // a matching predicate is always ok
3533 if (scm_is_true (scm_call_1 (pred, str)))
3535 // a symbol may be interpreted as a list of symbols if it helps
3536 if (scm_is_symbol (str)) {
3537 str = scm_list_1 (str);
3538 if (scm_is_true (scm_call_1 (pred, str)))
3540 return SCM_UNDEFINED;
3543 // If this cannot be a string representation of a symbol list,
3546 if (!is_regular_identifier (str, true))
3547 return SCM_UNDEFINED;
3549 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3550 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3551 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3553 // Let's attempt the symbol list interpretation first.
3555 if (scm_is_true (scm_call_1 (pred, str)))
3558 // If there is just one symbol in the list, we might interpret
3559 // it as a single symbol
3561 if (scm_is_null (scm_cdr (str)))
3563 str = scm_car (str);
3564 if (scm_is_true (scm_call_1 (pred, str)))
3568 return SCM_UNDEFINED;
3572 is_regular_identifier (SCM id, bool multiple)
3574 if (!scm_is_string (id))
3577 string str = ly_scm2string (id);
3579 bool middle = false;
3581 for (string::iterator it=str.begin(); it != str.end (); it++)
3584 if ((c >= 'a' && c <= 'z')
3585 || (c >= 'A' && c <= 'Z')
3588 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3597 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3599 if (unsmob_music (simple))
3601 if (parser->lexer_->is_note_state ()) {
3602 if (scm_is_symbol (simple)) {
3603 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3604 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3605 n->set_property ("drum-type", simple);
3606 return n->unprotect ();
3608 if (unsmob_pitch (simple)) {
3609 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3610 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3611 n->set_property ("pitch", simple);
3612 return n->unprotect ();
3615 } else if (parser->lexer_->is_lyric_state ()) {
3616 if (Text_interface::is_markup (simple))
3617 return MAKE_SYNTAX ("lyric-event", loc, simple,
3618 parser->default_duration_.smobbed_copy ());
3619 } else if (parser->lexer_->is_chord_state ()) {
3620 if (unsmob_pitch (simple))
3621 return make_chord_elements (loc, simple,
3622 parser->default_duration_.smobbed_copy (),
3629 make_music_with_input (SCM name, Input where)
3631 Music *m = make_music_by_name (name);
3632 m->set_spot (where);
3637 make_simple_markup (SCM a)
3645 return t && t == 1 << intlog2 (t);
3649 make_chord_step (SCM step_scm, Rational alter)
3651 int step = scm_to_int (step_scm);
3654 alter += FLAT_ALTERATION;
3658 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3659 return m.smobbed_copy ();
3664 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3666 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3667 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3668 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3670 unsmob_music (scm_car (s))->set_spot (loc);
3676 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3678 Lily_lexer *lex = parser->lexer_;
3682 lex->prepare_for_next_token ();
3683 return lex->yylex ();