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 *, 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 $$ = MAKE_SYNTAX ("void-music", @$);
529 | music_embedded music_embedded music_list {
530 $3 = scm_reverse_x ($3, SCM_EOL);
531 if (unsmob_music ($2))
532 $3 = scm_cons ($2, $3);
533 if (unsmob_music ($1))
534 $3 = scm_cons ($1, $3);
535 $$ = MAKE_SYNTAX ("sequential-music", @$, $3);
538 parser->error_level_ = 1;
539 $$ = SCM_UNSPECIFIED;
541 | INVALID embedded_lilypond {
542 parser->error_level_ = 1;
548 lilypond_header_body:
549 /* empty */ { $$ = SCM_UNSPECIFIED; }
550 | lilypond_header_body assignment {
553 | lilypond_header_body embedded_scm {
559 HEADER '{' lilypond_header_body '}' {
560 $$ = parser->lexer_->remove_scope ();
572 assignment_id '=' identifier_init {
573 parser->lexer_->set_identifier ($1, $3);
574 $$ = SCM_UNSPECIFIED;
576 | assignment_id property_path '=' identifier_init {
577 SCM path = scm_cons (scm_string_to_symbol ($1), $2);
578 parser->lexer_->set_identifier (path, $4);
579 $$ = SCM_UNSPECIFIED;
589 | context_def_spec_block
591 | post_event_nofinger post_events
593 $$ = scm_reverse_x ($2, SCM_EOL);
594 if (Music *m = unsmob_music ($1))
596 if (m->is_mus_type ("post-event-wrapper"))
598 (scm_list_2 (m->get_property ("elements"),
601 $$ = scm_cons ($1, $$);
604 && scm_is_null (scm_cdr ($$)))
608 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
609 m->set_property ("elements", $$);
610 $$ = m->unprotect ();
618 | context_modification
621 context_def_spec_block:
622 CONTEXT '{' context_def_spec_body '}'
633 context_mod_embedded:
636 if (unsmob_music ($1)) {
637 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
638 $1 = scm_call_2 (proc, parser->self_scm (), $1);
640 if (unsmob_context_mod ($1))
643 parser->parser_error (@1, _ ("not a context mod"));
649 context_def_spec_body:
651 $$ = Context_def::make_scm ();
652 unsmob_context_def ($$)->origin ()->set_spot (@$);
654 | CONTEXT_DEF_IDENTIFIER {
656 unsmob_context_def ($$)->origin ()->set_spot (@$);
658 | context_def_spec_body context_mod {
659 if (!SCM_UNBNDP ($2))
660 unsmob_context_def ($$)->add_context_mod ($2);
662 | context_def_spec_body context_modification {
663 Context_def *td = unsmob_context_def ($$);
664 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
665 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
666 td->add_context_mod (scm_car (m));
669 | context_def_spec_body context_mod_embedded {
670 Context_def *td = unsmob_context_def ($$);
671 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
672 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
673 td->add_context_mod (scm_car (m));
681 BOOK '{' book_body '}' {
684 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
689 * Use 'handlers' like for toplevel-* stuff?
690 * grok \layout and \midi? */
693 Book *book = new Book;
694 init_papers (parser);
695 book->origin ()->set_spot (@$);
696 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
697 book->paper_->unprotect ();
698 push_paper (parser, book->paper_);
699 book->header_ = get_header (parser);
700 $$ = book->unprotect ();
701 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
704 unsmob_book ($1)->origin ()->set_spot (@$);
705 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
707 | book_body paper_block {
708 unsmob_book ($1)->paper_ = unsmob_output_def ($2);
709 set_paper (parser, unsmob_output_def ($2));
711 | book_body bookpart_block {
712 SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
713 scm_call_2 (proc, $1, $2);
715 | book_body score_block {
716 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
717 scm_call_2 (proc, $1, $2);
719 | book_body composite_music {
720 SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
721 scm_call_3 (proc, parser->self_scm (), $1, $2);
723 | book_body full_markup {
724 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
725 scm_call_2 (proc, $1, scm_list_1 ($2));
727 | book_body full_markup_list {
728 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
729 scm_call_2 (proc, $1, $2);
731 | book_body SCM_TOKEN {
732 // Evaluate and ignore #xxx, as opposed to \xxx
733 parser->lexer_->eval_scm_token ($2);
735 | book_body embedded_scm_active
737 SCM out = SCM_UNDEFINED;
738 if (Text_interface::is_markup ($2))
739 out = scm_list_1 ($2);
740 else if (Text_interface::is_markup_list ($2))
742 if (scm_is_pair (out))
744 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
745 scm_call_2 (proc, $1, out);
746 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
747 parser->parser_error (@2, _("bad expression type"));
751 parser->lexer_->add_scope (unsmob_book ($1)->header_);
754 Book *book = unsmob_book ($1);
756 book->scores_ = SCM_EOL;
757 book->bookparts_ = SCM_EOL;
762 BOOKPART '{' bookpart_body '}' {
764 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
770 Book *book = new Book;
771 book->origin ()->set_spot (@$);
772 $$ = book->unprotect ();
773 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
776 unsmob_book ($1)->origin ()->set_spot (@$);
777 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
779 | bookpart_body paper_block {
780 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
782 | bookpart_body score_block {
783 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
784 scm_call_2 (proc, $1, $2);
786 | bookpart_body composite_music {
787 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
788 scm_call_3 (proc, parser->self_scm (), $1, $2);
790 | bookpart_body full_markup {
791 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
792 scm_call_2 (proc, $1, scm_list_1 ($2));
794 | bookpart_body full_markup_list {
795 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
796 scm_call_2 (proc, $1, $2);
798 | bookpart_body SCM_TOKEN {
799 // Evaluate and ignore #xxx, as opposed to \xxx
800 parser->lexer_->eval_scm_token ($2);
802 | bookpart_body embedded_scm_active
804 SCM out = SCM_UNDEFINED;
805 if (Text_interface::is_markup ($2))
806 out = scm_list_1 ($2);
807 else if (Text_interface::is_markup_list ($2))
809 if (scm_is_pair (out))
811 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
812 scm_call_2 (proc, $1, out);
813 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
814 parser->parser_error (@2, _("bad expression type"));
818 Book *book = unsmob_book ($1);
819 if (!ly_is_module (book->header_))
820 book->header_ = ly_make_module (false);
821 parser->lexer_->add_scope (book->header_);
823 | bookpart_body error {
824 Book *book = unsmob_book ($1);
826 book->scores_ = SCM_EOL;
831 SCORE '{' score_body '}' {
838 SCM scorify = ly_lily_module_constant ("scorify-music");
839 $$ = scm_call_2 (scorify, $1, parser->self_scm ());
841 unsmob_score ($$)->origin ()->set_spot (@$);
843 | embedded_scm_active {
845 if (unsmob_score ($1))
846 score = new Score (*unsmob_score ($1));
849 parser->parser_error (@1, _("score expected"));
851 unsmob_score ($$)->origin ()->set_spot (@$);
852 $$ = score->unprotect ();
856 Score *score = unsmob_score ($1);
857 if (!ly_is_module (score->get_header ()))
858 score->set_header (ly_make_module (false));
859 parser->lexer_->add_scope (score->get_header ());
861 | score_body output_def {
862 Output_def *od = unsmob_output_def ($2);
863 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
865 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
870 unsmob_score ($1)->add_output_def (od);
874 unsmob_score ($$)->error_found_ = true;
885 Output_def *od = unsmob_output_def ($1);
887 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
889 parser->parser_error (@1, _ ("need \\paper for paper block"));
890 $$ = get_paper (parser)->unprotect ();
897 output_def_body '}' {
900 parser->lexer_->remove_scope ();
901 parser->lexer_->pop_state ();
907 Output_def *p = get_paper (parser);
908 p->input_origin_ = @$;
909 parser->lexer_->add_scope (p->scope_);
910 $$ = p->unprotect ();
913 Output_def *p = get_midi (parser);
914 $$ = p->unprotect ();
915 parser->lexer_->add_scope (p->scope_);
918 Output_def *p = get_layout (parser);
920 parser->lexer_->add_scope (p->scope_);
921 $$ = p->unprotect ();
925 output_def_head_with_mode_switch:
927 parser->lexer_->push_initial_state ();
932 // We need this weird nonterminal because both music as well as a
933 // context definition can start with \context and the difference is
934 // only apparent after looking at the next token. If it is '{', there
935 // is still time to escape from notes mode.
937 music_or_context_def:
940 parser->lexer_->pop_state ();
944 parser->lexer_->pop_state ();
945 } '{' context_def_spec_body '}'
952 output_def_head_with_mode_switch '{' {
954 unsmob_output_def ($$)->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 if (unsmob_context_def ($3))
976 assign_context_def (unsmob_output_def ($1), $3);
979 SCM proc = parser->lexer_->lookup_identifier
980 ("output-def-music-handler");
981 scm_call_3 (proc, parser->self_scm (),
985 | output_def_body error {
991 TEMPO steno_duration '=' tempo_range {
992 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
994 | TEMPO scalar_closed steno_duration '=' tempo_range {
995 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
998 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1003 The representation of a list is reversed to have efficient append. */
1009 | music_list music_embedded {
1010 if (unsmob_music ($2))
1011 $$ = scm_cons ($2, $1);
1013 | music_list error {
1014 Music *m = MY_MAKE_MUSIC("Music", @$);
1016 m->set_property ("error-found", SCM_BOOL_T);
1017 $$ = scm_cons (m->self_scm (), $1);
1018 m->unprotect (); /* UGH */
1025 $$ = scm_reverse_x ($2, SCM_EOL);
1030 | lyric_element_music
1036 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1037 parser->parser_error (@1, _ ("unexpected post-event"));
1038 $$ = SCM_UNSPECIFIED;
1041 | music_embedded_backup
1045 | music_embedded_backup BACKUP lyric_element_music
1051 music_embedded_backup:
1054 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1056 else if (Music *m = unsmob_music ($1)) {
1057 if (m->is_mus_type ("post-event")) {
1058 parser->parser_error
1059 (@1, _ ("unexpected post-event"));
1060 $$ = SCM_UNSPECIFIED;
1063 } else if (parser->lexer_->is_lyric_state ()
1064 && Text_interface::is_markup ($1))
1065 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1067 @$.warning (_ ("Ignoring non-music expression"));
1076 $$ = make_music_from_simple (parser, @1, $1);
1077 if (!unsmob_music ($$))
1078 parser->parser_error (@1, _ ("music expected"));
1080 | composite_music %prec COMPOSITE
1085 | composite_music %prec COMPOSITE
1089 REPEAT simple_string unsigned_number music
1091 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1093 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1095 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1100 SEQUENTIAL braced_music_list {
1101 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1103 | braced_music_list {
1104 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1109 SIMULTANEOUS braced_music_list {
1110 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1112 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1113 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1119 | music_property_def
1123 context_modification:
1124 WITH { parser->lexer_->push_initial_state (); } '{' context_mod_list '}'
1126 parser->lexer_->pop_state ();
1129 | WITH CONTEXT_MOD_IDENTIFIER
1133 | CONTEXT_MOD_IDENTIFIER
1137 | WITH embedded_scm_closed
1139 if (unsmob_context_mod ($2))
1142 parser->parser_error (@2, _ ("not a context mod"));
1143 $$ = Context_mod ().smobbed_copy ();
1148 optional_context_mod:
1152 | context_modification
1160 $$ = Context_mod ().smobbed_copy ();
1162 | context_mod_list context_mod {
1163 if (!SCM_UNBNDP ($2))
1164 unsmob_context_mod ($1)->add_context_mod ($2);
1166 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1167 Context_mod *md = unsmob_context_mod ($2);
1169 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1171 | context_mod_list context_mod_embedded {
1172 unsmob_context_mod ($1)->add_context_mods
1173 (unsmob_context_mod ($2)->get_mods ());
1182 /* Music that can be parsed without lookahead */
1185 | complex_music_prefix closed_music
1187 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1189 | music_function_call_closed
1195 | grouped_music_list
1199 simultaneous_music { $$ = $1; }
1200 | sequential_music { $$ = $1; }
1203 /* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence:
1204 MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
1205 and this rule returns the reversed list of arguments. */
1207 /* Function argument lists come in a number of flavors. Whenever
1208 * LilyPond has to pick between different flavors, the decision is
1209 * either made because of tokens it has already seen, or it is
1210 * postponed until tokens suitable for making the decision come up.
1211 * For postponing decisions, it may be necessary that the competing
1212 * rules are written in a way making them compatible until a decision
1213 * can be made. Sometimes this is done by putting common traits into
1214 * a separate "common" rule set.
1216 * function_arglist: a full argument list. Optional arguments at the
1217 * end of the list can only be skipped by writing \default in their
1220 * function_arglist_backup: an argument list ending in an optional
1221 * argument that may be skipped depending on its predicate.
1223 * function_arglist_skip: an argument list _not_ ending in an optional
1224 * argument that is actually taken.
1226 * function_arglist_nonbackup: an argument list ending in an optional
1227 * argument that may not be skipped because it is in end position and
1228 * has not been shortcircuited with \default.
1230 * function_arglist* / function_arglist_closed*: The closed variants
1231 * don't end in simple music expressions that might still accept
1232 * things like a duration or a postevent.
1235 function_arglist_skip:
1236 function_arglist_common
1237 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip
1239 $$ = scm_cons ($1, $3);
1240 } %prec FUNCTION_ARGLIST
1241 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip
1243 $$ = scm_cons ($1, $3);
1244 } %prec FUNCTION_ARGLIST
1245 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
1247 $$ = scm_cons ($1, $3);
1248 } %prec FUNCTION_ARGLIST
1252 function_arglist_nonbackup_common:
1253 EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords {
1254 $$ = scm_cons ($4, $3);
1256 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length {
1257 $$ = scm_cons ($4, $3);
1259 | EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION
1261 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1263 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger
1265 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1267 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED
1269 SCM n = scm_difference ($5, SCM_UNDEFINED);
1270 if (scm_is_true (scm_call_1 ($2, n)))
1271 $$ = scm_cons (n, $3);
1273 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1274 t->set_property ("digit", $5);
1275 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1280 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL
1282 $$ = check_scheme_arg (parser, @4,
1283 scm_difference ($5, SCM_UNDEFINED),
1286 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER
1288 $$ = check_scheme_arg (parser, @4,
1289 scm_difference ($5, SCM_UNDEFINED),
1294 function_arglist_closed_nonbackup:
1295 function_arglist_nonbackup_common
1296 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed
1298 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1300 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed
1302 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1304 | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1306 $$ = check_scheme_arg (parser, @4,
1307 try_string_variants ($2, $4),
1310 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1312 $$ = check_scheme_arg (parser, @4,
1313 try_string_variants ($2, $4),
1316 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1318 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1324 | SYMBOL_LIST '.' symbol_list_rev
1326 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1332 | symbol_list_rev '.' symbol_list_part
1334 $$ = scm_append_x (scm_list_2 ($3, $1));
1338 // symbol_list_part delivers elements in reverse copy.
1343 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1344 $$ = try_string_variants (sym_l_p, $1);
1345 if (SCM_UNBNDP ($$)) {
1346 parser->parser_error (@1, _("not a symbol"));
1349 $$ = scm_reverse ($$);
1354 symbol_list_element:
1360 function_arglist_nonbackup:
1361 function_arglist_nonbackup_common
1362 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg
1364 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1366 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number
1368 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1370 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1372 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1374 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1376 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1378 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1380 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1384 function_arglist_nonbackup_reparse:
1385 EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1388 SCM res = try_string_variants ($2, $4);
1389 if (!SCM_UNBNDP (res))
1390 if (scm_is_pair (res))
1391 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1393 MYREPARSE (@4, $2, SCM_ARG, res);
1394 else if (scm_is_true
1396 ($2, make_music_from_simple
1398 MYREPARSE (@4, $2, STRING, $4);
1400 MYREPARSE (@4, $2, SCM_ARG, $4);
1402 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1405 SCM res = try_string_variants ($2, $4);
1406 if (!SCM_UNBNDP (res))
1407 if (scm_is_pair (res))
1408 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1410 MYREPARSE (@4, $2, SCM_ARG, res);
1411 else if (scm_is_true
1413 ($2, make_music_from_simple
1415 MYREPARSE (@4, $2, STRING, $4);
1417 MYREPARSE (@4, $2, SCM_ARG, $4);
1419 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1422 if (scm_is_true (scm_call_1 ($2, $4)))
1423 MYREPARSE (@4, $2, SCM_ARG, $4);
1424 else if (scm_is_true
1426 ($2, make_music_from_simple
1428 MYREPARSE (@4, $2, STRING, $4);
1430 MYREPARSE (@4, $2, SCM_ARG, $4);
1434 function_arglist_keep:
1435 function_arglist_common
1436 | function_arglist_backup
1439 function_arglist_closed_keep:
1440 function_arglist_closed_common
1441 | function_arglist_backup
1444 function_arglist_backup:
1445 EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed
1447 if (scm_is_true (scm_call_1 ($2, $4)))
1449 $$ = scm_cons ($4, $3);
1451 $$ = scm_cons (loc_on_music (@3, $1), $3);
1452 MYBACKUP (SCM_ARG, $4, @4);
1455 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger
1457 if (scm_is_true (scm_call_1 ($2, $4)))
1459 $$ = scm_cons ($4, $3);
1461 $$ = scm_cons (loc_on_music (@3, $1), $3);
1462 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1465 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup
1467 if (scm_is_true (scm_call_1 ($2, $4)))
1468 $$ = scm_cons ($4, $3);
1470 $$ = scm_cons (loc_on_music (@3, $1), $3);
1471 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1474 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED
1476 if (scm_is_true (scm_call_1 ($2, $4)))
1479 MYREPARSE (@4, $2, UNSIGNED, $4);
1481 $$ = scm_cons (loc_on_music (@3, $1), $3);
1482 MYBACKUP (UNSIGNED, $4, @4);
1485 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL
1487 if (scm_is_true (scm_call_1 ($2, $4)))
1490 MYREPARSE (@4, $2, REAL, $4);
1492 $$ = scm_cons (loc_on_music (@3, $1), $3);
1493 MYBACKUP (REAL, $4, @4);
1496 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER
1498 if (scm_is_true (scm_call_1 ($2, $4)))
1500 $$ = scm_cons ($4, $3);
1502 $$ = scm_cons (loc_on_music (@3, $1), $3);
1503 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1506 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION
1508 if (scm_is_true (scm_call_1 ($2, $4)))
1510 $$ = scm_cons ($4, $3);
1512 $$ = scm_cons (loc_on_music (@3, $1), $3);
1513 MYBACKUP (FRACTION, $4, @4);
1516 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED
1518 SCM n = scm_difference ($5, SCM_UNDEFINED);
1519 if (scm_is_true (scm_call_1 ($2, n))) {
1521 MYREPARSE (@5, $2, REAL, n);
1523 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1524 t->set_property ("digit", $5);
1525 $$ = t->unprotect ();
1526 if (scm_is_true (scm_call_1 ($2, $$)))
1527 $$ = scm_cons ($$, $3);
1529 $$ = scm_cons (loc_on_music (@3, $1), $3);
1530 MYBACKUP (UNSIGNED, $5, @5);
1531 parser->lexer_->push_extra_token ('-');
1536 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL
1538 SCM n = scm_difference ($5, SCM_UNDEFINED);
1539 if (scm_is_true (scm_call_1 ($2, n))) {
1540 MYREPARSE (@5, $2, REAL, n);
1543 $$ = scm_cons (loc_on_music (@3, $1), $3);
1544 MYBACKUP (REAL, n, @5);
1547 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER
1549 SCM n = scm_difference ($5, SCM_UNDEFINED);
1550 if (scm_is_true (scm_call_1 ($2, n))) {
1551 $$ = scm_cons (n, $3);
1553 $$ = scm_cons (loc_on_music (@3, $1), $3);
1554 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1557 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords
1559 $$ = scm_cons ($4, $3);
1561 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length
1563 $$ = scm_cons ($4, $3);
1565 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER
1567 SCM res = try_string_variants ($2, $4);
1568 if (!SCM_UNBNDP (res))
1569 if (scm_is_pair (res)) {
1571 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1574 $$ = scm_cons (res, $3);
1576 $$ = scm_cons (loc_on_music (@3, $1), $3);
1577 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1580 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING
1582 SCM res = try_string_variants ($2, $4);
1583 if (!SCM_UNBNDP (res))
1584 if (scm_is_pair (res)) {
1586 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1589 $$ = scm_cons (res, $3);
1591 $$ = scm_cons (loc_on_music (@3, $1), $3);
1592 MYBACKUP (STRING, $4, @4);
1595 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP
1597 $$ = scm_cons ($1, $3);
1598 MYBACKUP(0, SCM_UNDEFINED, @3);
1600 | function_arglist_backup REPARSE bare_number
1602 $$ = check_scheme_arg (parser, @3,
1605 | function_arglist_backup REPARSE symbol_list_arg
1607 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1612 function_arglist_common
1613 | function_arglist_nonbackup
1616 function_arglist_common:
1617 function_arglist_bare
1618 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1620 $$ = check_scheme_arg (parser, @3,
1623 | EXPECT_SCM function_arglist_closed_optional bare_number
1625 $$ = check_scheme_arg (parser, @3,
1628 | EXPECT_SCM function_arglist_optional FRACTION
1630 $$ = check_scheme_arg (parser, @3,
1633 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1635 $$ = check_scheme_arg (parser, @3,
1638 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1640 SCM n = scm_difference ($4, SCM_UNDEFINED);
1641 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1643 | function_arglist_common_reparse REPARSE SCM_ARG
1645 $$ = check_scheme_arg (parser, @3,
1648 | function_arglist_common_reparse REPARSE lyric_element_music
1650 $$ = check_scheme_arg (parser, @3,
1653 | function_arglist_common_reparse REPARSE bare_number
1655 $$ = check_scheme_arg (parser, @3,
1658 | function_arglist_common_reparse REPARSE symbol_list_arg
1660 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1664 function_arglist_common_reparse:
1665 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1668 SCM res = try_string_variants ($1, $3);
1669 if (!SCM_UNBNDP (res))
1670 if (scm_is_pair (res))
1671 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1673 MYREPARSE (@3, $1, SCM_ARG, res);
1674 else if (scm_is_true
1676 ($1, make_music_from_simple (parser, @3, $3))))
1677 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1679 // This is going to flag a syntax error, we
1680 // know the predicate to be false.
1681 MYREPARSE (@3, $1, SCM_ARG, $3);
1683 | EXPECT_SCM function_arglist_optional STRING
1686 SCM res = try_string_variants ($1, $3);
1687 if (!SCM_UNBNDP (res))
1688 if (scm_is_pair (res))
1689 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1691 MYREPARSE (@3, $1, SCM_ARG, res);
1692 else if (scm_is_true
1694 ($1, make_music_from_simple (parser, @3, $3))))
1695 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1697 // This is going to flag a syntax error, we
1698 // know the predicate to be false.
1699 MYREPARSE (@3, $1, SCM_ARG, $3);
1701 | EXPECT_SCM function_arglist_optional full_markup
1704 if (scm_is_true (scm_call_1 ($1, $3)))
1705 MYREPARSE (@3, $1, SCM_ARG, $3);
1706 else if (scm_is_true
1708 ($1, make_music_from_simple (parser, @3, $3))))
1709 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1711 // This is going to flag a syntax error, we
1712 // know the predicate to be false.
1713 MYREPARSE (@3, $1, SCM_ARG, $3);
1715 | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED
1718 SCM n = scm_difference ($4, SCM_UNDEFINED);
1719 if (scm_is_true (scm_call_1 ($1, n)))
1720 MYREPARSE (@4, $1, REAL, n);
1722 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
1723 t->set_property ("digit", $4);
1724 SCM m = t->unprotect ();
1725 if (scm_is_true (scm_call_1 ($1, m)))
1726 MYREPARSE (@4, $1, SCM_ARG, m);
1728 MYREPARSE (@4, $1, SCM_ARG, $4);
1732 | EXPECT_SCM function_arglist_closed_optional '-' REAL
1735 SCM n = scm_difference ($4, SCM_UNDEFINED);
1736 MYREPARSE (@4, $1, REAL, n);
1740 function_arglist_closed:
1741 function_arglist_closed_common
1742 | function_arglist_closed_nonbackup
1745 function_arglist_closed_common:
1746 function_arglist_bare
1747 | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed
1749 $$ = check_scheme_arg (parser, @3,
1752 | EXPECT_SCM function_arglist_closed_optional bare_number
1754 $$ = check_scheme_arg (parser, @3,
1757 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1759 $$ = check_scheme_arg (parser, @3,
1760 scm_difference ($4, SCM_UNDEFINED),
1763 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1765 $$ = check_scheme_arg (parser, @3,
1768 | EXPECT_SCM function_arglist_optional FRACTION
1770 $$ = check_scheme_arg (parser, @3,
1773 | function_arglist_common_reparse REPARSE SCM_ARG
1775 $$ = check_scheme_arg (parser, @3,
1778 | function_arglist_common_reparse REPARSE bare_number
1780 $$ = check_scheme_arg (parser, @3,
1783 | function_arglist_common_reparse REPARSE symbol_list_arg
1785 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1789 function_arglist_optional:
1790 function_arglist_keep %prec FUNCTION_ARGLIST
1791 | function_arglist_backup BACKUP
1792 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
1794 $$ = scm_cons ($1, $3);
1796 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
1798 $$ = scm_cons ($1, $3);
1802 function_arglist_closed_optional:
1803 function_arglist_closed_keep %prec FUNCTION_ARGLIST
1804 | function_arglist_backup BACKUP
1805 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
1807 $$ = scm_cons ($1, $3);
1809 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
1811 $$ = scm_cons ($1, $3);
1815 embedded_scm_closed:
1817 | scm_function_call_closed
1820 embedded_scm_arg_closed:
1821 embedded_scm_bare_arg
1822 | scm_function_call_closed
1826 scm_function_call_closed:
1827 SCM_FUNCTION function_arglist_closed {
1828 $$ = MAKE_SYNTAX ("music-function", @$,
1830 } %prec FUNCTION_ARGLIST
1833 function_arglist_bare:
1834 EXPECT_NO_MORE_ARGS {
1837 | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
1838 $$ = scm_cons ($3, $2);
1840 | EXPECT_DURATION function_arglist_closed_optional duration_length {
1841 $$ = scm_cons ($3, $2);
1843 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT {
1844 $$ = scm_cons ($1, $3);
1846 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT {
1847 $$ = scm_cons ($1, $3);
1849 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT {
1850 $$ = scm_cons ($1, $3);
1854 music_function_call:
1855 MUSIC_FUNCTION function_arglist {
1856 $$ = MAKE_SYNTAX ("music-function", @$,
1863 /**/ { $$ = SCM_EOL; }
1864 | '=' simple_string {
1871 | repeated_music { $$ = $1; }
1872 | re_rhythmed_music { $$ = $1; }
1873 | complex_music_prefix music
1875 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1879 complex_music_prefix:
1880 CONTEXT simple_string optional_id optional_context_mod {
1881 Context_mod *ctxmod = unsmob_context_mod ($4);
1884 mods = ctxmod->get_mods ();
1885 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
1887 | NEWCONTEXT simple_string optional_id optional_context_mod {
1888 Context_mod *ctxmod = unsmob_context_mod ($4);
1891 mods = ctxmod->get_mods ();
1892 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
1897 mode_changing_head grouped_music_list {
1898 if ($1 == ly_symbol2scm ("chords"))
1900 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
1906 parser->lexer_->pop_state ();
1908 | mode_changing_head_with_context optional_context_mod grouped_music_list {
1909 Context_mod *ctxmod = unsmob_context_mod ($2);
1912 mods = ctxmod->get_mods ();
1913 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
1914 if ($1 == ly_symbol2scm ("ChordNames"))
1916 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
1918 parser->lexer_->pop_state ();
1924 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1925 parser->lexer_->push_note_state (nn);
1927 $$ = ly_symbol2scm ("notes");
1931 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1932 parser->lexer_->push_note_state (nn);
1934 $$ = ly_symbol2scm ("drums");
1937 parser->lexer_->push_figuredbass_state ();
1939 $$ = ly_symbol2scm ("figures");
1942 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1943 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1944 nn = parser->lexer_->lookup_identifier ("pitchnames");
1945 parser->lexer_->push_chord_state (nn);
1946 $$ = ly_symbol2scm ("chords");
1950 { parser->lexer_->push_lyric_state ();
1951 $$ = ly_symbol2scm ("lyrics");
1955 mode_changing_head_with_context:
1957 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1958 parser->lexer_->push_note_state (nn);
1960 $$ = ly_symbol2scm ("DrumStaff");
1963 parser->lexer_->push_figuredbass_state ();
1965 $$ = ly_symbol2scm ("FiguredBass");
1968 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1969 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1970 nn = parser->lexer_->lookup_identifier ("pitchnames");
1971 parser->lexer_->push_chord_state (nn);
1972 $$ = ly_symbol2scm ("ChordNames");
1975 { parser->lexer_->push_lyric_state ();
1976 $$ = ly_symbol2scm ("Lyrics");
1981 ADDLYRICS { parser->lexer_->push_lyric_state (); }
1984 /* Can also use music at the expensive of two S/Rs similar to
1985 \repeat \alternative */
1986 parser->lexer_->pop_state ();
1988 $$ = scm_cons ($3, SCM_EOL);
1990 | new_lyrics ADDLYRICS {
1991 parser->lexer_->push_lyric_state ();
1993 parser->lexer_->pop_state ();
1994 $$ = scm_cons ($4, $1);
1999 composite_music new_lyrics {
2000 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2002 | LYRICSTO simple_string {
2003 parser->lexer_->push_lyric_state ();
2005 parser->lexer_->pop_state ();
2006 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $4);
2011 CHANGE STRING '=' STRING {
2012 $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4);
2019 $$ = scm_reverse_x ($1, SCM_EOL);
2021 | symbol_list_rev property_path {
2022 $$ = scm_reverse_x ($1, $2);
2028 $$ = scm_list_3 (ly_symbol2scm ("assign"),
2029 scm_string_to_symbol ($1), $3);
2031 | UNSET simple_string {
2032 $$ = scm_list_2 (ly_symbol2scm ("unset"),
2033 scm_string_to_symbol ($2));
2035 | OVERRIDE property_path '=' scalar {
2036 if (scm_ilength ($2) < 2) {
2037 parser->parser_error (@2, _("bad grob property path"));
2040 $$ = scm_cons (ly_symbol2scm ("push"),
2041 scm_cons2 (scm_car ($2),
2046 | REVERT revert_arg {
2047 $$ = scm_cons (ly_symbol2scm ("pop"), $2);
2051 // This is all quite awkward for the sake of substantial backward
2052 // compatibility while at the same time allowing a more "natural" form
2053 // of specification not separating grob specification from grob
2054 // property path. The purpose of this definition of revert_arg is to
2055 // allow the symbol list which specifies grob and property to revert
2056 // to be optionally be split into two parts after the grob (which in
2057 // this case is just the first element of the list). symbol_list_part
2058 // is only one path component, but it can be parsed without lookahead,
2059 // so we can follow it with a synthetic BACKUP token when needed. If
2060 // the first symbol_list_part already contains multiple elements (only
2061 // possible if a Scheme expression provides them), we just parse for
2062 // additional elements introduced by '.', which is what the
2063 // SYMBOL_LIST backup in connection with the immediately following
2064 // rule using symbol_list_arg does.
2066 // As long as we don't have our coffers filled with both grob and at
2067 // least one grob property specification, the rest of the required
2068 // symbol list chain may be provided either with or without a leading
2069 // dot. This is for both allowing the traditional
2070 // \revert Accidental #'color
2071 // as well as well as the "naive" form
2072 // \revert Accidental.color
2075 revert_arg_backup BACKUP symbol_list_arg
2084 if (scm_is_null ($1)
2085 || scm_is_null (scm_cdr ($1)))
2086 MYBACKUP (SCM_ARG, $1, @1);
2088 MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
2092 // revert_arg_part delivers results in reverse
2095 | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part
2097 $$ = scm_append_x (scm_list_2 ($5, $3));
2099 | revert_arg_backup BACKUP SCM_ARG symbol_list_part
2101 $$ = scm_append_x (scm_list_2 ($4, $3));
2106 CONSISTS { $$ = ly_symbol2scm ("consists"); }
2107 | REMOVE { $$ = ly_symbol2scm ("remove"); }
2109 | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
2110 | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
2111 | DENIES { $$ = ly_symbol2scm ("denies"); }
2113 | ALIAS { $$ = ly_symbol2scm ("alias"); }
2114 | TYPE { $$ = ly_symbol2scm ("translator-type"); }
2115 | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
2116 | NAME { $$ = ly_symbol2scm ("context-name"); }
2120 property_operation { $$ = $1; }
2121 | context_def_mod STRING {
2122 $$ = scm_list_2 ($1, $2);
2124 | context_def_mod embedded_scm
2126 if (!scm_is_string ($2)
2127 && ly_symbol2scm ("consists") != $1
2128 && ly_symbol2scm ("remove") != $1)
2131 parser->parser_error (@1, _ ("only \\consists and \\remove take non-string argument."));
2135 $$ = scm_list_2 ($1, $2);
2140 // If defined, at least two members.
2144 SCM l = scm_reverse_x ($1, SCM_EOL);
2147 (scm_object_property (scm_car (l),
2148 ly_symbol2scm ("is-grob?"))))
2149 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2150 if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
2151 parser->parser_error (@1, _ ("bad grob property path"));
2158 // If defined, at least three members
2162 if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
2164 parser->parser_error (@1, _ ("bad grob property path"));
2168 | grob_prop_spec property_path
2170 if (!SCM_UNBNDP ($1)) {
2171 $$ = scm_append_x (scm_list_2 ($1, $2));
2172 if (scm_is_null (scm_cddr ($$))) {
2173 parser->parser_error (@$, _ ("bad grob property path"));
2181 // Exactly two elements or undefined
2185 SCM l = scm_reverse_x ($1, SCM_EOL);
2186 switch (scm_ilength (l)) {
2188 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2192 parser->parser_error (@1, _ ("bad context property path"));
2199 simple_music_property_def:
2200 OVERRIDE grob_prop_path '=' scalar {
2201 if (SCM_UNBNDP ($2))
2204 $$ = scm_list_5 (scm_car ($2),
2205 ly_symbol2scm ("OverrideProperty"),
2211 | REVERT simple_revert_context revert_arg {
2212 $$ = scm_list_4 ($2,
2213 ly_symbol2scm ("RevertProperty"),
2217 | SET context_prop_spec '=' scalar {
2218 if (SCM_UNBNDP ($2))
2221 $$ = scm_list_4 (scm_car ($2),
2222 ly_symbol2scm ("PropertySet"),
2226 | UNSET context_prop_spec {
2227 if (SCM_UNBNDP ($2))
2230 $$ = scm_list_3 (scm_car ($2),
2231 ly_symbol2scm ("PropertyUnset"),
2237 // This is all quite awkward for the sake of substantial backward
2238 // compatibility while at the same time allowing a more "natural" form
2239 // of specification not separating grob specification from grob
2240 // property path. The purpose of this definition of
2241 // simple_revert_context is to allow the symbol list which specifies
2242 // grob and property to revert to be optionally be split into two
2243 // parts after the grob (which may be preceded by a context
2244 // specification, a case which we distinguish by checking whether the
2245 // first symbol is a valid grob symbol instead).
2247 // See revert_arg above for the main work horse of this arrangement.
2248 // simple_revert_context just caters for the context and delegates the
2249 // rest of the job to revert_arg.
2251 simple_revert_context:
2254 $1 = scm_reverse_x ($1, SCM_EOL);
2255 if (scm_is_null ($1)
2257 (scm_object_property (scm_car ($1),
2258 ly_symbol2scm ("is-grob?")))) {
2259 $$ = ly_symbol2scm ("Bottom");
2260 parser->lexer_->push_extra_token (SCM_IDENTIFIER, $1);
2263 parser->lexer_->push_extra_token (SCM_IDENTIFIER,
2270 simple_music_property_def {
2271 if (SCM_UNBNDP ($1))
2272 $$ = MAKE_SYNTAX ("void-music", @1);
2274 $$ = LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("property-operation"), scm_cons2 (parser->self_scm (), make_input (@$), $1));
2285 simple_string: STRING {
2290 if (scm_is_string ($1)) {
2293 parser->parser_error (@1, (_ ("simple string expected")));
2294 $$ = scm_string (SCM_EOL);
2308 embedded_scm_arg_closed
2317 simple_element post_events {
2318 // Let the rhythmic music iterator sort this mess out.
2319 if (scm_is_pair ($2)) {
2320 $$ = make_music_from_simple (parser, @1, $1);
2321 if (unsmob_music ($$))
2322 unsmob_music ($$)->set_property ("articulations",
2323 scm_reverse_x ($2, SCM_EOL));
2325 parser->parser_error (@1, _("music expected"));
2328 | simple_chord_elements post_events {
2329 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
2332 /* why is this giving wrong start location? -ns
2334 i.set_location (@1, @2);
2335 $$ = MAKE_SYNTAX ("event-chord", i, elts);
2337 | CHORD_REPETITION optional_notemode_duration post_events {
2339 i.set_location (@1, @3);
2340 $$ = MAKE_SYNTAX ("repetition-chord", i,
2341 $2, scm_reverse_x ($3, SCM_EOL));
2343 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2345 i.set_location (@1, @3);
2346 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2347 scm_reverse_x ($3, SCM_EOL));
2350 | note_chord_element
2355 chord_body optional_notemode_duration post_events
2357 Music *m = unsmob_music ($1);
2358 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2359 SCM es = m->get_property ("elements");
2360 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2362 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2363 unsmob_music (scm_car (s))->set_property ("duration", dur);
2364 es = ly_append2 (es, postevs);
2366 m-> set_property ("elements", es);
2368 $$ = m->self_scm ();
2373 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2375 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2379 chord_body_elements:
2380 /* empty */ { $$ = SCM_EOL; }
2381 | chord_body_elements chord_body_element {
2382 if (!SCM_UNBNDP ($2))
2383 $$ = scm_cons ($2, $1);
2388 pitch exclamations questions octave_check post_events
2390 bool q = to_boolean ($3);
2391 bool ex = to_boolean ($2);
2395 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2396 n->set_property ("pitch", $1);
2398 n->set_property ("cautionary", SCM_BOOL_T);
2400 n->set_property ("force-accidental", SCM_BOOL_T);
2402 if (scm_is_pair (post)) {
2403 SCM arts = scm_reverse_x (post, SCM_EOL);
2404 n->set_property ("articulations", arts);
2406 if (scm_is_number (check))
2408 int q = scm_to_int (check);
2409 n->set_property ("absolute-octave", scm_from_int (q-1));
2412 $$ = n->unprotect ();
2414 | DRUM_PITCH post_events {
2415 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2416 n->set_property ("drum-type", $1);
2418 if (scm_is_pair ($2)) {
2419 SCM arts = scm_reverse_x ($2, SCM_EOL);
2420 n->set_property ("articulations", arts);
2422 $$ = n->unprotect ();
2424 | music_function_chord_body
2426 Music *m = unsmob_music ($1);
2428 while (m && m->is_mus_type ("music-wrapper-music")) {
2429 $$ = m->get_property ("element");
2430 m = unsmob_music ($$);
2433 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2434 parser->parser_error (@$, _ ("not a rhythmic event"));
2440 music_function_chord_body:
2445 // Event functions may only take closed arglists, otherwise it would
2446 // not be clear whether a following postevent should be associated
2447 // with the last argument of the event function or with the expression
2448 // for which the function call acts itself as event.
2450 music_function_call_closed:
2451 MUSIC_FUNCTION function_arglist_closed {
2452 $$ = MAKE_SYNTAX ("music-function", @$,
2457 event_function_event:
2458 EVENT_FUNCTION function_arglist_closed {
2459 $$ = MAKE_SYNTAX ("music-function", @$,
2481 | post_events post_event {
2483 if (Music *m = unsmob_music ($2))
2485 if (m->is_mus_type ("post-event-wrapper"))
2487 for (SCM p = m->get_property ("elements");
2491 $$ = scm_cons (scm_car (p), $$);
2495 $$ = scm_cons ($2, $$);
2501 post_event_nofinger:
2502 direction_less_event {
2505 | script_dir music_function_call_closed {
2507 if (!unsmob_music ($2)->is_mus_type ("post-event")) {
2508 parser->parser_error (@2, _ ("post-event expected"));
2509 $$ = SCM_UNSPECIFIED;
2510 } else if (!SCM_UNBNDP ($1))
2512 unsmob_music ($$)->set_property ("direction", $1);
2516 if (!parser->lexer_->is_lyric_state ())
2517 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2518 $$ = MY_MAKE_MUSIC ("HyphenEvent", @$)->unprotect ();
2521 if (!parser->lexer_->is_lyric_state ())
2522 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2523 $$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
2525 | script_dir direction_reqd_event {
2526 if (!SCM_UNBNDP ($1))
2528 Music *m = unsmob_music ($2);
2529 m->set_property ("direction", $1);
2533 | script_dir direction_less_event {
2534 if (!SCM_UNBNDP ($1))
2536 Music *m = unsmob_music ($2);
2537 m->set_property ("direction", $1);
2544 unsmob_music ($$)->set_property ("direction", scm_from_int (UP));
2549 unsmob_music ($$)->set_property ("direction", scm_from_int (DOWN));
2560 string_number_event:
2562 Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
2563 s->set_property ("string-number", $1);
2564 $$ = s->unprotect ();
2568 direction_less_event:
2570 | EVENT_IDENTIFIER {
2574 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2575 a->set_property ("tremolo-type", $1);
2576 $$ = a->unprotect ();
2578 | event_function_event
2581 direction_reqd_event:
2585 | script_abbreviation {
2586 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2587 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2588 if (scm_is_string (s))
2589 a->set_property ("articulation-type", s);
2590 else parser->parser_error (@1, _ ("expecting string as script definition"));
2591 $$ = a->unprotect ();
2596 /**/ { $$ = SCM_EOL; }
2597 | '=' quotes { $$ = $2; }
2611 $$ = scm_from_int (1);
2614 $$ = scm_oneplus ($1);
2620 $$ = scm_from_int (-1);
2623 $$ = scm_oneminus ($1);
2628 NOTENAME_PITCH quotes {
2629 if (!scm_is_eq (SCM_INUM0, $2))
2631 Pitch p = *unsmob_pitch ($1);
2632 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2633 $$ = p.smobbed_copy ();
2643 TONICNAME_PITCH quotes {
2644 if (!scm_is_eq (SCM_INUM0, $2))
2646 Pitch p = *unsmob_pitch ($1);
2647 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2648 $$ = p.smobbed_copy ();
2658 pitch_also_in_chords:
2665 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2666 t->set_property ("text", $1);
2667 $$ = t->unprotect ();
2670 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2671 t->set_property ("text",
2672 make_simple_markup ($1));
2673 $$ = t->unprotect ();
2675 | embedded_scm_closed
2677 Music *m = unsmob_music ($1);
2678 if (m && m->is_mus_type ("post-event"))
2680 else if (Text_interface::is_markup ($1)) {
2681 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2682 t->set_property ("text", $1);
2683 $$ = t->unprotect ();
2685 parser->parser_error (@1, _ ("not an articulation"));
2691 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2692 t->set_property ("digit", $1);
2693 $$ = t->unprotect ();
2697 script_abbreviation:
2699 $$ = scm_from_locale_string ("Hat");
2702 $$ = scm_from_locale_string ("Plus");
2705 $$ = scm_from_locale_string ("Dash");
2708 $$ = scm_from_locale_string ("Bang");
2711 $$ = scm_from_locale_string ("Larger");
2714 $$ = scm_from_locale_string ("Dot");
2717 $$ = scm_from_locale_string ("Underscore");
2722 '_' { $$ = scm_from_int (DOWN); }
2723 | '^' { $$ = scm_from_int (UP); }
2724 | '-' { $$ = SCM_UNDEFINED; }
2728 multiplied_duration {
2733 maybe_notemode_duration:
2737 | multiplied_duration {
2739 parser->default_duration_ = *unsmob_duration ($$);
2744 optional_notemode_duration:
2745 maybe_notemode_duration
2747 if (SCM_UNBNDP ($$))
2748 $$ = parser->default_duration_.smobbed_copy ();
2755 int n = scm_to_int ($1);
2756 if (!is_duration (n))
2757 parser->parser_error (@1, _f ("not a duration: %d", n));
2761 $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
2763 | DURATION_IDENTIFIER dots {
2764 Duration *d = unsmob_duration ($1);
2765 Duration k (d->duration_log (),
2766 d->dot_count () + scm_to_int ($2));
2767 k = k.compressed (d->factor ());
2768 scm_remember_upto_here_1 ($1);
2769 $$ = k.smobbed_copy ();
2773 multiplied_duration:
2777 | multiplied_duration '*' UNSIGNED {
2778 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
2780 | multiplied_duration '*' FRACTION {
2781 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
2783 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
2792 $$ = scm_oneplus ($1);
2801 int n = scm_to_int ($2);
2802 if (!is_duration (n))
2803 parser->parser_error (@2, _f ("not a duration: %d", n));
2809 UNSIGNED { $$ = $1; }
2810 | STRING { $$ = $1; }
2811 | full_markup { $$ = $1; }
2814 // as an integer, it needs to be non-negative, and otherwise
2815 // it needs to be suitable as a markup.
2816 if (scm_is_integer ($1)
2817 ? scm_is_true (scm_negative_p ($1))
2818 : !Text_interface::is_markup ($1))
2820 parser->parser_error (@1, _ ("bass number expected"));
2826 figured_bass_alteration:
2827 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
2828 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
2829 | '!' { $$ = scm_from_int (0); }
2834 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2835 $$ = bfr->unprotect ();
2838 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2839 $$ = bfr->self_scm ();
2841 if (scm_is_number ($1))
2842 bfr->set_property ("figure", $1);
2843 else if (Text_interface::is_markup ($1))
2844 bfr->set_property ("text", $1);
2850 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
2852 | bass_figure figured_bass_alteration {
2853 Music *m = unsmob_music ($1);
2854 if (scm_to_double ($2)) {
2855 SCM salter = m->get_property ("alteration");
2856 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
2857 m->set_property ("alteration",
2858 scm_sum (alter, $2));
2860 m->set_property ("alteration", scm_from_int (0));
2863 | bass_figure figured_bass_modification {
2864 Music *m = unsmob_music ($1);
2865 m->set_property ($2, SCM_BOOL_T);
2870 figured_bass_modification:
2872 $$ = ly_symbol2scm ("augmented");
2875 $$ = ly_symbol2scm ("no-continuation");
2878 $$ = ly_symbol2scm ("diminished");
2881 $$ = ly_symbol2scm ("augmented-slash");
2891 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
2899 | figure_list br_bass_figure {
2900 $$ = scm_cons ($2, $1);
2905 FIGURE_OPEN figure_list FIGURE_CLOSE {
2906 $$ = scm_reverse_x ($2, SCM_EOL);
2912 /**/ { $$ = SCM_BOOL_F; }
2913 | REST { $$ = SCM_BOOL_T; }
2917 pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
2918 if (!parser->lexer_->is_note_state ())
2919 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
2920 if (!SCM_UNBNDP ($2)
2922 || scm_is_number ($4)
2924 || scm_is_true ($6))
2927 if (scm_is_true ($6))
2928 n = MY_MAKE_MUSIC ("RestEvent", @$);
2930 n = MY_MAKE_MUSIC ("NoteEvent", @$);
2932 n->set_property ("pitch", $1);
2933 if (SCM_UNBNDP ($5))
2934 n->set_property ("duration",
2935 parser->default_duration_.smobbed_copy ());
2937 n->set_property ("duration", $5);
2939 if (scm_is_number ($4))
2941 int q = scm_to_int ($4);
2942 n->set_property ("absolute-octave", scm_from_int (q-1));
2945 if (to_boolean ($3))
2946 n->set_property ("cautionary", SCM_BOOL_T);
2947 if (to_boolean ($2) || to_boolean ($3))
2948 n->set_property ("force-accidental", SCM_BOOL_T);
2950 $$ = n->unprotect ();
2953 | DRUM_PITCH optional_notemode_duration {
2954 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2955 n->set_property ("duration", $2);
2956 n->set_property ("drum-type", $1);
2958 $$ = n->unprotect ();
2960 | RESTNAME optional_notemode_duration {
2962 if (ly_scm2string ($1) == "s") {
2964 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
2967 ev = MY_MAKE_MUSIC ("RestEvent", @$);
2970 ev->set_property ("duration", $2);
2971 $$ = ev->unprotect ();
2975 simple_chord_elements:
2977 if (!parser->lexer_->is_chord_state ())
2978 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
2981 | figure_spec optional_notemode_duration {
2982 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
2984 unsmob_music (scm_car (s))->set_property ("duration", $2);
3000 lyric_element_music:
3001 lyric_element optional_notemode_duration post_events {
3002 if (!parser->lexer_->is_lyric_state ())
3003 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
3004 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3005 if (scm_is_pair ($3))
3006 unsmob_music ($$)->set_property
3007 ("articulations", scm_reverse_x ($3, SCM_EOL));
3012 steno_tonic_pitch optional_notemode_duration {
3013 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3015 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3016 SCM its = scm_reverse_x ($4, SCM_EOL);
3017 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3025 | chord_items chord_item {
3026 $$ = scm_cons ($2, $$);
3032 $$ = ly_symbol2scm ("chord-colon");
3035 $$ = ly_symbol2scm ("chord-caret");
3037 | CHORD_SLASH steno_tonic_pitch {
3038 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3040 | CHORD_BASS steno_tonic_pitch {
3041 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3050 $$ = scm_reverse_x ($1, SCM_EOL);
3058 step_number { $$ = scm_cons ($1, SCM_EOL); }
3059 | step_numbers '.' step_number {
3060 $$ = scm_cons ($3, $$);
3066 $$ = make_chord_step ($1, 0);
3069 $$ = make_chord_step ($1, SHARP_ALTERATION);
3071 | UNSIGNED CHORD_MINUS {
3072 $$ = make_chord_step ($1, FLAT_ALTERATION);
3080 | UNSIGNED '-' UNSIGNED {
3081 $$ = scm_cons ($1, $3);
3088 TODO: should deprecate in favor of Scheme?
3092 number_expression '+' number_term {
3093 $$ = scm_sum ($1, $3);
3095 | number_expression '-' number_term {
3096 $$ = scm_difference ($1, $3);
3105 | number_factor '*' number_factor {
3106 $$ = scm_product ($1, $3);
3108 | number_factor '/' number_factor {
3109 $$ = scm_divide ($1, $3);
3114 '-' number_factor { /* %prec UNARY_MINUS */
3115 $$ = scm_difference ($2, SCM_UNDEFINED);
3123 | UNSIGNED NUMBER_IDENTIFIER {
3124 $$ = scm_product ($1, $2);
3126 | REAL NUMBER_IDENTIFIER {
3127 $$ = scm_product ($1, $2);
3143 { $$ = SCM_UNDEFINED; }
3146 if (SCM_UNBNDP ($1))
3154 { $$ = SCM_UNDEFINED; }
3157 if (SCM_UNBNDP ($1))
3166 { parser->lexer_->push_markup_state (); }
3169 parser->lexer_->pop_state ();
3175 { parser->lexer_->push_markup_state (); }
3178 parser->lexer_->pop_state ();
3183 simple_markup_list {
3184 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3186 | markup_head_1_list simple_markup
3188 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3189 @2, $1, scm_list_1 ($2)));
3199 if (Text_interface::is_markup ($1))
3200 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3201 else if (Text_interface::is_markup_list ($1))
3202 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3204 parser->parser_error (@1, _ ("not a markup"));
3205 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3212 markup_composed_list {
3215 | markup_uncomposed_list
3218 markup_uncomposed_list:
3219 markup_braced_list {
3222 | markup_command_list {
3223 $$ = scm_list_1 ($1);
3225 | markup_scm MARKUPLIST_IDENTIFIER
3235 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
3241 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3242 parser->lexer_->push_note_state (nn);
3243 } '{' score_body '}' {
3245 parser->lexer_->pop_state ();
3249 markup_composed_list:
3250 markup_head_1_list markup_uncomposed_list {
3251 $$ = MAKE_SYNTAX ("composed-markup-list",
3257 '{' markup_braced_list_body '}' {
3258 $$ = scm_reverse_x ($2, SCM_EOL);
3262 markup_braced_list_body:
3263 /* empty */ { $$ = SCM_EOL; }
3264 | markup_braced_list_body markup {
3265 $$ = scm_cons ($2, $1);
3267 | markup_braced_list_body simple_markup_list {
3268 $$ = scm_reverse_x ($2, $1);
3272 markup_command_list:
3273 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3274 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3278 markup_command_basic_arguments:
3279 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3280 $$ = scm_cons ($3, $2);
3282 | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
3283 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3285 | EXPECT_NO_MORE_ARGS {
3290 markup_command_list_arguments:
3291 markup_command_basic_arguments { $$ = $1; }
3292 | EXPECT_MARKUP markup_command_list_arguments markup {
3293 $$ = scm_cons ($3, $2);
3298 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3299 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3304 markup_head_1_item {
3305 $$ = scm_list_1 ($1);
3307 | markup_head_1_list markup_head_1_item {
3308 $$ = scm_cons ($2, $1);
3314 $$ = make_simple_markup ($1);
3316 | MARKUP_FUNCTION markup_command_basic_arguments {
3317 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3319 | markup_scm MARKUP_IDENTIFIER
3325 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
3330 markup_head_1_list simple_markup
3332 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3333 @2, $1, scm_list_1 ($2)));
3343 Lily_parser::set_yydebug (bool x)
3349 Lily_parser::do_yyparse ()
3351 SCM retval = SCM_UNDEFINED;
3352 yyparse (this, &retval);
3362 It is a little strange to have this function in this file, but
3363 otherwise, we have to import music classes into the lexer.
3367 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3369 if (unsmob_book (sid)) {
3370 Book *book = unsmob_book (sid)->clone ();
3371 *destination = book->self_scm ();
3374 return BOOK_IDENTIFIER;
3375 } else if (scm_is_number (sid)) {
3377 return NUMBER_IDENTIFIER;
3378 } else if (unsmob_context_def (sid)) {
3379 Context_def *def= unsmob_context_def (sid)->clone ();
3381 *destination = def->self_scm ();
3384 return CONTEXT_DEF_IDENTIFIER;
3385 } else if (unsmob_context_mod (sid)) {
3386 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3388 return CONTEXT_MOD_IDENTIFIER;
3389 } else if (Music *mus = unsmob_music (sid)) {
3390 mus = mus->clone ();
3391 *destination = mus->self_scm ();
3392 bool is_event = mus->is_mus_type ("post-event");
3394 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3395 } else if (unsmob_pitch (sid)) {
3396 *destination = unsmob_pitch (sid)->smobbed_copy ();
3397 return PITCH_IDENTIFIER;
3398 } else if (unsmob_duration (sid)) {
3399 *destination = unsmob_duration (sid)->smobbed_copy ();
3400 return DURATION_IDENTIFIER;
3401 } else if (unsmob_output_def (sid)) {
3402 Output_def *p = unsmob_output_def (sid);
3405 *destination = p->self_scm ();
3407 return OUTPUT_DEF_IDENTIFIER;
3414 get_next_unique_context_id ()
3416 return scm_from_locale_string ("$uniqueContextId");
3421 get_next_unique_lyrics_context_id ()
3423 static int new_context_count;
3425 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3426 return scm_from_locale_string (s);
3429 // check_scheme_arg checks one argument with a given predicate for use
3430 // in an argument list and throws a syntax error if it is unusable.
3431 // The argument is prepended to the argument list in any case. After
3432 // throwing a syntax error, the argument list is terminated with #f as
3433 // its last cdr in order to mark it as uncallable while not losing
3434 // track of its total length.
3436 // There are a few special considerations: if optional argument disp
3437 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3438 // instead of arg in a prospective error message. This is useful if
3439 // arg is not the actual argument but rather a transformation of it.
3441 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3442 // and an error message using disp is produced unconditionally.
3444 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3445 SCM arg, SCM args, SCM pred, SCM disp)
3447 if (SCM_UNBNDP (arg))
3448 args = scm_cons (disp, args);
3450 args = scm_cons (arg, args);
3451 if (scm_is_true (scm_call_1 (pred, arg)))
3454 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3455 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3456 SCM_UNBNDP (disp) ? arg : disp);
3457 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3461 SCM loc_on_music (Input loc, SCM arg)
3463 if (Music *m = unsmob_music (arg))
3467 return m->unprotect ();
3473 try_string_variants (SCM pred, SCM str)
3475 // a matching predicate is always ok
3476 if (scm_is_true (scm_call_1 (pred, str)))
3478 // a symbol may be interpreted as a list of symbols if it helps
3479 if (scm_is_symbol (str)) {
3480 str = scm_list_1 (str);
3481 if (scm_is_true (scm_call_1 (pred, str)))
3483 return SCM_UNDEFINED;
3486 // If this cannot be a string representation of a symbol list,
3489 if (!is_regular_identifier (str, true))
3490 return SCM_UNDEFINED;
3492 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3493 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3494 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3496 // Let's attempt the symbol list interpretation first.
3498 if (scm_is_true (scm_call_1 (pred, str)))
3501 // If there is just one symbol in the list, we might interpret
3502 // it as a single symbol
3504 if (scm_is_null (scm_cdr (str)))
3506 str = scm_car (str);
3507 if (scm_is_true (scm_call_1 (pred, str)))
3511 return SCM_UNDEFINED;
3515 is_regular_identifier (SCM id, bool multiple)
3517 if (!scm_is_string (id))
3520 string str = ly_scm2string (id);
3522 bool middle = false;
3524 for (string::iterator it=str.begin(); it != str.end (); it++)
3527 if ((c >= 'a' && c <= 'z')
3528 || (c >= 'A' && c <= 'Z')
3531 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3540 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3542 if (unsmob_music (simple))
3544 if (parser->lexer_->is_note_state ()) {
3545 if (scm_is_symbol (simple)) {
3546 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3547 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3548 n->set_property ("drum-type", simple);
3549 return n->unprotect ();
3551 if (unsmob_pitch (simple)) {
3552 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3553 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3554 n->set_property ("pitch", simple);
3555 return n->unprotect ();
3558 } else if (parser->lexer_->is_lyric_state ()) {
3559 if (Text_interface::is_markup (simple))
3560 return MAKE_SYNTAX ("lyric-event", loc, simple,
3561 parser->default_duration_.smobbed_copy ());
3562 } else if (parser->lexer_->is_chord_state ()) {
3563 if (unsmob_pitch (simple))
3564 return make_chord_elements (loc, simple,
3565 parser->default_duration_.smobbed_copy (),
3572 make_music_with_input (SCM name, Input where)
3574 Music *m = make_music_by_name (name);
3575 m->set_spot (where);
3580 make_simple_markup (SCM a)
3588 return t && t == 1 << intlog2 (t);
3592 make_chord_step (SCM step_scm, Rational alter)
3594 int step = scm_to_int (step_scm);
3597 alter += FLAT_ALTERATION;
3601 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3602 return m.smobbed_copy ();
3607 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3609 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3610 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3611 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3613 unsmob_music (scm_car (s))->set_spot (loc);
3619 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3621 Lily_lexer *lex = parser->lexer_;
3625 lex->prepare_for_next_token ();
3626 return lex->yylex ();