1 /* -*- mode: c++; c-file-style: "linux"; indent-tabs-mode: t -*- */
3 This file is part of LilyPond, the GNU music typesetter.
5 Copyright (C) 1997--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 Jan Nieuwenhuizen <janneke@gnu.org>
8 LilyPond is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 LilyPond is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
22 /* Mode and indentation are at best a rough approximation based on TAB
23 * formatting (reasonable for compatibility with unspecific editor
24 * modes as Bison modes are hard to find) and need manual correction
25 * frequently. Without a reasonably dependable way of formatting a
26 * Bison file sensibly, there is little point in trying to fix the
27 * inconsistent state of indentation.
32 #define yyerror Lily_parser::parser_error
34 /* We use custom location type: Input objects */
37 #define YYLLOC_DEFAULT(Current,Rhs,N) \
38 ((Current).set_location ((Rhs)[1], (Rhs)[N]))
40 #define YYPRINT(file, type, value) \
42 if (scm_is_eq (value, SCM_UNSPECIFIED)) \
44 char *p = scm_to_locale_string \
45 (scm_simple_format (SCM_BOOL_F, \
46 scm_from_locale_string ("~S"), \
47 scm_list_1 (value))); \
54 %parse-param {Lily_parser *parser}
55 %parse-param {SCM *retval}
56 %lex-param {Lily_parser *parser}
60 /* We use SCMs to do strings, because it saves us the trouble of
61 deleting them. Let's hope that a stack overflow doesn't trigger a move
62 of the parse stack onto the heap. */
68 /* The above precedences tackle the shift/reduce problem
71 \repeat .. \alternative
73 \repeat { \repeat .. \alternative }
77 \repeat { \repeat } \alternative
83 /* ADDLYRICS needs to have lower precedence than argument scanning,
84 * or we won't be able to tell music apart from closed_music without
85 * lookahead in the context of function calls.
90 /* \default is only applied after exhausting function arguments */
92 %nonassoc FUNCTION_ARGLIST
94 /* expressions with units are permitted into argument lists */
96 %right PITCH_IDENTIFIER NOTENAME_PITCH TONICNAME_PITCH
97 UNSIGNED REAL DURATION_IDENTIFIER ':'
99 /* The above are the symbols that can start optional function arguments
100 that are recognized in the grammar rather than by predicate
103 %nonassoc NUMBER_IDENTIFIER '/'
105 /* Number-unit expressions, where permitted, are concatenated into
106 * function arguments, just like fractions and tremoli. Tremoli must
107 * not have higher precedence than UNSIGNED, or Lilypond will not
108 * join ':' with a following optional number.
121 %{ // -*-Fundamental-*-
126 * The rules for who is protecting what are very shady. Uniformise
129 * There are too many lexical modes?
140 #include "context-def.hh"
141 #include "context-mod.hh"
142 #include "dimensions.hh"
143 #include "file-path.hh"
145 #include "international.hh"
146 #include "lily-guile.hh"
147 #include "lily-lexer.hh"
148 #include "lily-parser.hh"
152 #include "output-def.hh"
153 #include "paper-book.hh"
154 #include "scm-hash.hh"
156 #include "text-interface.hh"
160 Lily_parser::parser_error (Input const *i, Lily_parser *parser, SCM *, const string &s)
162 parser->parser_error (*i, s);
165 #define MYBACKUP(Token, Value, Location) \
167 if (yychar == YYEMPTY) \
170 parser->lexer_->push_extra_token (Token, Value); \
171 parser->lexer_->push_extra_token (BACKUP); \
173 parser->parser_error \
174 (Location, _("Too much lookahead")); \
179 #define MYREPARSE(Location, Pred, Token, Value) \
181 if (yychar == YYEMPTY) \
183 parser->lexer_->push_extra_token (Token, Value); \
184 parser->lexer_->push_extra_token (REPARSE, \
187 parser->parser_error \
188 (Location, _("Too much lookahead")); \
197 #define MY_MAKE_MUSIC(x, spot) \
198 make_music_with_input (ly_symbol2scm (x), \
199 parser->lexer_->override_input (spot))
202 - Don't use lily module, create a new module instead.
203 - delay application of the function
205 #define LOWLEVEL_MAKE_SYNTAX(proc, args) \
206 scm_apply_0 (proc, args)
207 /* Syntactic Sugar. */
208 #define MAKE_SYNTAX(name, location, ...) \
209 LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant (name), scm_list_n (parser->self_scm (), make_input (parser->lexer_->override_input (location)), ##__VA_ARGS__, SCM_UNDEFINED))
210 #define START_MAKE_SYNTAX(name, ...) \
211 scm_list_n (ly_lily_module_constant (name) , ##__VA_ARGS__, SCM_UNDEFINED)
212 #define FINISH_MAKE_SYNTAX(start, location, ...) \
213 LOWLEVEL_MAKE_SYNTAX (scm_car (start), scm_cons2 (parser->self_scm (), make_input (parser->lexer_->override_input (location)), scm_append_x (scm_list_2 (scm_cdr (start), scm_list_n (__VA_ARGS__, SCM_UNDEFINED)))))
215 SCM get_next_unique_context_id ();
216 SCM get_next_unique_lyrics_context_id ();
223 #define _(x) gettext (x)
227 static Music *make_music_with_input (SCM name, Input where);
228 SCM check_scheme_arg (Lily_parser *parser, Input loc,
229 SCM arg, SCM args, SCM pred, SCM disp = SCM_UNDEFINED);
230 SCM make_music_from_simple (Lily_parser *parser, Input loc, SCM pitch);
231 SCM loc_on_music (Input loc, SCM arg);
232 SCM make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list);
233 SCM make_chord_step (SCM step, Rational alter);
234 SCM make_simple_markup (SCM a);
235 bool is_duration (int t);
236 bool is_regular_identifier (SCM id, bool multiple=false);
237 SCM try_string_variants (SCM pred, SCM str);
238 int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser);
242 /* The third option is an alias that will be used to display the
243 syntax error. Bison CVS now correctly handles backslash escapes.
245 FIXME: Bison needs to translate some of these, eg, STRING.
249 /* Keyword tokens with plain escaped name. */
250 %token END_OF_FILE 0 "end of input"
251 %token ACCEPTS "\\accepts"
252 %token ADDLYRICS "\\addlyrics"
253 %token ALIAS "\\alias"
254 %token ALTERNATIVE "\\alternative"
256 %token BOOKPART "\\bookpart"
257 %token CHANGE "\\change"
258 %token CHORDMODE "\\chordmode"
259 %token CHORDS "\\chords"
260 %token CONSISTS "\\consists"
261 %token CONTEXT "\\context"
262 %token DEFAULT "\\default"
263 %token DEFAULTCHILD "\\defaultchild"
264 %token DENIES "\\denies"
265 %token DESCRIPTION "\\description"
266 %token DRUMMODE "\\drummode"
267 %token DRUMS "\\drums"
268 %token FIGUREMODE "\\figuremode"
269 %token FIGURES "\\figures"
270 %token HEADER "\\header"
271 %token INVALID "\\version-error"
272 %token LAYOUT "\\layout"
273 %token LYRICMODE "\\lyricmode"
274 %token LYRICS "\\lyrics"
275 %token LYRICSTO "\\lyricsto"
276 %token MARKUP "\\markup"
277 %token MARKUPLIST "\\markuplist"
280 %token NOTEMODE "\\notemode"
281 %token OVERRIDE "\\override"
282 %token PAPER "\\paper"
283 %token REMOVE "\\remove"
284 %token REPEAT "\\repeat"
286 %token REVERT "\\revert"
287 %token SCORE "\\score"
288 %token SEQUENTIAL "\\sequential"
290 %token SIMULTANEOUS "\\simultaneous"
291 %token TEMPO "\\tempo"
293 %token UNSET "\\unset"
296 /* Keyword token exceptions. */
297 %token NEWCONTEXT "\\new"
300 /* Other string tokens. */
302 %token CHORD_BASS "/+"
303 %token CHORD_CARET "^"
304 %token CHORD_COLON ":"
305 %token CHORD_MINUS "-"
306 %token CHORD_SLASH "/"
307 %token ANGLE_OPEN "<"
308 %token ANGLE_CLOSE ">"
309 %token DOUBLE_ANGLE_OPEN "<<"
310 %token DOUBLE_ANGLE_CLOSE ">>"
311 %token E_BACKSLASH "\\"
312 %token E_EXCLAMATION "\\!"
317 If we give names, Bison complains.
319 %token FIGURE_CLOSE /* "\\>" */
320 %token FIGURE_OPEN /* "\\<" */
321 %token FIGURE_SPACE "_"
324 %token CHORDMODIFIERS
325 %token MULTI_MEASURE_REST
331 /* Artificial tokens, for more generic function syntax */
332 %token EXPECT_MARKUP "markup?"
333 %token EXPECT_PITCH "ly:pitch?"
334 %token EXPECT_DURATION "ly:duration?"
335 %token EXPECT_SCM "scheme?"
336 %token BACKUP "(backed-up?)"
337 %token REPARSE "(reparsed?)"
338 %token EXPECT_MARKUP_LIST "markup-list?"
339 %token EXPECT_OPTIONAL "optional?"
340 /* After the last argument. */
341 %token EXPECT_NO_MORE_ARGS;
343 /* An artificial token for parsing embedded Lilypond */
344 %token EMBEDDED_LILY "#{"
346 %token BOOK_IDENTIFIER
347 %token CHORDMODIFIER_PITCH
348 %token CHORD_MODIFIER
349 %token CHORD_REPETITION
350 %token CONTEXT_DEF_IDENTIFIER
351 %token CONTEXT_MOD_IDENTIFIER
353 %token PITCH_IDENTIFIER
354 %token DURATION_IDENTIFIER
355 %token EVENT_IDENTIFIER
356 %token EVENT_FUNCTION
359 %token MARKUP_FUNCTION
360 %token MARKUP_LIST_FUNCTION
361 %token MARKUP_IDENTIFIER
362 %token MARKUPLIST_IDENTIFIER
363 %token MUSIC_FUNCTION
364 %token MUSIC_IDENTIFIER
365 %token NOTENAME_PITCH
366 %token NUMBER_IDENTIFIER
367 %token OUTPUT_DEF_IDENTIFIER
372 %token SCM_IDENTIFIER
376 %token TONICNAME_PITCH
380 /* We don't assign precedence to / and *, because we might need varied
381 prec levels in different prods */
390 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
391 parser->lexer_->push_note_state (nn);
392 } embedded_lilypond {
393 parser->lexer_->pop_state ();
398 lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
399 | lilypond toplevel_expression {
401 | lilypond assignment {
404 parser->error_level_ = 1;
407 parser->error_level_ = 1;
414 parser->lexer_->add_scope (get_header (parser));
416 parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
419 SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
420 scm_call_2 (proc, parser->self_scm (), $1);
423 SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
424 scm_call_2 (proc, parser->self_scm (), $1);
427 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
428 scm_call_2 (proc, parser->self_scm (), $1);
431 SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
432 scm_call_2 (proc, parser->self_scm (), $1);
435 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
436 scm_call_2 (proc, parser->self_scm (), scm_list_1 ($1));
439 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
440 scm_call_2 (proc, parser->self_scm (), $1);
443 // Evaluate and ignore #xxx, as opposed to \xxx
444 parser->lexer_->eval_scm_token ($1);
446 | embedded_scm_active
448 SCM out = SCM_UNDEFINED;
449 if (Text_interface::is_markup ($1))
450 out = scm_list_1 ($1);
451 else if (Text_interface::is_markup_list ($1))
453 if (scm_is_pair (out))
455 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
456 scm_call_2 (proc, parser->self_scm (), out);
457 } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
458 parser->parser_error (@1, _("bad expression type"));
462 Output_def * od = unsmob_output_def ($1);
464 if (od->c_variable ("is-paper") == SCM_BOOL_T)
465 id = ly_symbol2scm ("$defaultpaper");
466 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
467 id = ly_symbol2scm ("$defaultmidi");
468 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
469 id = ly_symbol2scm ("$defaultlayout");
471 parser->lexer_->set_identifier (id, $1);
478 $$ = parser->lexer_->eval_scm_token ($1);
488 embedded_scm_bare_arg:
492 $$ = parser->lexer_->eval_scm_token ($1);
495 | context_modification
497 | context_def_spec_block
503 /* The generic version may end in music, or not */
511 embedded_scm_bare_arg
517 SCM_FUNCTION function_arglist {
518 $$ = MAKE_SYNTAX ("music-function", @$,
526 $$ = MAKE_SYNTAX ("void-music", @$);
529 | music_embedded music_embedded music_list {
530 $3 = scm_reverse_x ($3, SCM_EOL);
531 if (unsmob_music ($2))
532 $3 = scm_cons ($2, $3);
533 if (unsmob_music ($1))
534 $3 = scm_cons ($1, $3);
535 $$ = 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 $$ = m->unprotect ();
618 | context_modification
621 context_def_spec_block:
622 CONTEXT '{' context_def_spec_body '}'
632 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
633 parser->lexer_->push_note_state (nn);
637 parser->lexer_->pop_state ();
642 context_mod_embedded:
645 if (unsmob_music ($1)) {
646 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
647 $1 = scm_call_2 (proc, parser->self_scm (), $1);
649 if (unsmob_context_mod ($1))
652 parser->parser_error (@1, _ ("not a context mod"));
653 $$ = Context_mod ().smobbed_copy ();
659 context_def_spec_body:
661 $$ = Context_def::make_scm ();
662 unsmob_context_def ($$)->origin ()->set_spot (@$);
664 | CONTEXT_DEF_IDENTIFIER {
666 unsmob_context_def ($$)->origin ()->set_spot (@$);
668 | context_def_spec_body context_mod {
669 if (!SCM_UNBNDP ($2))
670 unsmob_context_def ($$)->add_context_mod ($2);
672 | context_def_spec_body context_modification {
673 Context_def *td = unsmob_context_def ($$);
674 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
675 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
676 td->add_context_mod (scm_car (m));
679 | context_def_spec_body context_mod_embedded {
680 Context_def *td = unsmob_context_def ($$);
681 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
682 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
683 td->add_context_mod (scm_car (m));
691 BOOK '{' book_body '}' {
694 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
699 * Use 'handlers' like for toplevel-* stuff?
700 * grok \layout and \midi? */
703 Book *book = new Book;
704 init_papers (parser);
705 book->origin ()->set_spot (@$);
706 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
707 book->paper_->unprotect ();
708 push_paper (parser, book->paper_);
709 book->header_ = get_header (parser);
710 $$ = book->unprotect ();
711 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
714 unsmob_book ($1)->origin ()->set_spot (@$);
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 ($1);
766 book->scores_ = SCM_EOL;
767 book->bookparts_ = SCM_EOL;
772 BOOKPART '{' bookpart_body '}' {
774 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
780 Book *book = new Book;
781 book->origin ()->set_spot (@$);
782 $$ = book->unprotect ();
783 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
786 unsmob_book ($1)->origin ()->set_spot (@$);
787 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
789 | bookpart_body paper_block {
790 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
792 | bookpart_body score_block {
793 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
794 scm_call_2 (proc, $1, $2);
796 | bookpart_body composite_music {
797 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
798 scm_call_3 (proc, parser->self_scm (), $1, $2);
800 | bookpart_body full_markup {
801 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
802 scm_call_2 (proc, $1, scm_list_1 ($2));
804 | bookpart_body full_markup_list {
805 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
806 scm_call_2 (proc, $1, $2);
808 | bookpart_body SCM_TOKEN {
809 // Evaluate and ignore #xxx, as opposed to \xxx
810 parser->lexer_->eval_scm_token ($2);
812 | bookpart_body embedded_scm_active
814 SCM out = SCM_UNDEFINED;
815 if (Text_interface::is_markup ($2))
816 out = scm_list_1 ($2);
817 else if (Text_interface::is_markup_list ($2))
819 if (scm_is_pair (out))
821 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
822 scm_call_2 (proc, $1, out);
823 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
824 parser->parser_error (@2, _("bad expression type"));
828 Book *book = unsmob_book ($1);
829 if (!ly_is_module (book->header_))
830 book->header_ = ly_make_module (false);
831 parser->lexer_->add_scope (book->header_);
833 | bookpart_body error {
834 Book *book = unsmob_book ($1);
836 book->scores_ = SCM_EOL;
841 SCORE '{' score_body '}' {
848 SCM scorify = ly_lily_module_constant ("scorify-music");
849 $$ = scm_call_2 (scorify, $1, parser->self_scm ());
851 unsmob_score ($$)->origin ()->set_spot (@$);
853 | embedded_scm_active {
855 if (unsmob_score ($1))
856 score = new Score (*unsmob_score ($1));
859 parser->parser_error (@1, _("score expected"));
861 unsmob_score ($$)->origin ()->set_spot (@$);
862 $$ = score->unprotect ();
866 Score *score = unsmob_score ($1);
867 if (!ly_is_module (score->get_header ()))
868 score->set_header (ly_make_module (false));
869 parser->lexer_->add_scope (score->get_header ());
871 | score_body output_def {
872 Output_def *od = unsmob_output_def ($2);
873 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
875 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
880 unsmob_score ($1)->add_output_def (od);
884 unsmob_score ($$)->error_found_ = true;
895 Output_def *od = unsmob_output_def ($1);
897 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
899 parser->parser_error (@1, _ ("need \\paper for paper block"));
900 $$ = get_paper (parser)->unprotect ();
907 output_def_body '}' {
910 parser->lexer_->remove_scope ();
911 parser->lexer_->pop_state ();
917 Output_def *p = get_paper (parser);
918 p->input_origin_ = @$;
919 parser->lexer_->add_scope (p->scope_);
920 $$ = p->unprotect ();
923 Output_def *p = get_midi (parser);
924 $$ = p->unprotect ();
925 parser->lexer_->add_scope (p->scope_);
928 Output_def *p = get_layout (parser);
930 parser->lexer_->add_scope (p->scope_);
931 $$ = p->unprotect ();
935 output_def_head_with_mode_switch:
937 parser->lexer_->push_initial_state ();
942 // We need this weird nonterminal because both music as well as a
943 // context definition can start with \context and the difference is
944 // only apparent after looking at the next token. If it is '{', there
945 // is still time to escape from notes mode.
947 music_or_context_def:
950 parser->lexer_->pop_state ();
954 parser->lexer_->pop_state ();
955 } '{' context_def_spec_body '}'
962 output_def_head_with_mode_switch '{' {
964 unsmob_output_def ($$)->input_origin_.set_spot (@$);
966 | output_def_head_with_mode_switch '{' OUTPUT_DEF_IDENTIFIER {
967 Output_def *o = unsmob_output_def ($3);
968 o->input_origin_.set_spot (@$);
970 parser->lexer_->remove_scope ();
971 parser->lexer_->add_scope (o->scope_);
973 | output_def_body assignment {
976 | output_def_body embedded_scm {
981 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
982 parser->lexer_->push_note_state (nn);
983 } music_or_context_def
985 if (unsmob_context_def ($3))
986 assign_context_def (unsmob_output_def ($1), $3);
989 SCM proc = parser->lexer_->lookup_identifier
990 ("output-def-music-handler");
991 scm_call_3 (proc, parser->self_scm (),
995 | output_def_body error {
1001 TEMPO steno_duration '=' tempo_range {
1002 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
1004 | TEMPO scalar_closed steno_duration '=' tempo_range {
1005 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
1008 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1013 The representation of a list is reversed to have efficient append. */
1019 | music_list music_embedded {
1020 if (unsmob_music ($2))
1021 $$ = scm_cons ($2, $1);
1023 | music_list error {
1024 Music *m = MY_MAKE_MUSIC("Music", @$);
1026 m->set_property ("error-found", SCM_BOOL_T);
1027 $$ = scm_cons (m->self_scm (), $1);
1028 m->unprotect (); /* UGH */
1035 $$ = scm_reverse_x ($2, SCM_EOL);
1040 | lyric_element_music
1046 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1047 parser->parser_error (@1, _ ("unexpected post-event"));
1048 $$ = SCM_UNSPECIFIED;
1051 | music_embedded_backup
1055 | music_embedded_backup BACKUP lyric_element_music
1061 music_embedded_backup:
1064 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1066 else if (Music *m = unsmob_music ($1)) {
1067 if (m->is_mus_type ("post-event")) {
1068 parser->parser_error
1069 (@1, _ ("unexpected post-event"));
1070 $$ = SCM_UNSPECIFIED;
1073 } else if (parser->lexer_->is_lyric_state ()
1074 && Text_interface::is_markup ($1))
1075 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1077 @$.warning (_ ("Ignoring non-music expression"));
1086 $$ = make_music_from_simple (parser, @1, $1);
1087 if (!unsmob_music ($$))
1088 parser->parser_error (@1, _ ("music expected"));
1090 | composite_music %prec COMPOSITE
1095 | composite_music %prec COMPOSITE
1099 REPEAT simple_string unsigned_number music
1101 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1103 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1105 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1110 SEQUENTIAL braced_music_list {
1111 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1113 | braced_music_list {
1114 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1119 SIMULTANEOUS braced_music_list {
1120 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1122 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1123 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1129 | music_property_def
1133 context_modification:
1134 WITH { parser->lexer_->push_initial_state (); } '{' context_mod_list '}'
1136 parser->lexer_->pop_state ();
1139 | WITH CONTEXT_MOD_IDENTIFIER
1143 | CONTEXT_MOD_IDENTIFIER
1147 | WITH embedded_scm_closed
1149 if (unsmob_context_mod ($2))
1152 parser->parser_error (@2, _ ("not a context mod"));
1153 $$ = Context_mod ().smobbed_copy ();
1158 optional_context_mod:
1162 | context_modification
1170 $$ = Context_mod ().smobbed_copy ();
1172 | context_mod_list context_mod {
1173 if (!SCM_UNBNDP ($2))
1174 unsmob_context_mod ($1)->add_context_mod ($2);
1176 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1177 Context_mod *md = unsmob_context_mod ($2);
1179 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1181 | context_mod_list context_mod_embedded {
1182 unsmob_context_mod ($1)->add_context_mods
1183 (unsmob_context_mod ($2)->get_mods ());
1192 /* Music that can be parsed without lookahead */
1195 | complex_music_prefix closed_music
1197 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1199 | music_function_call_closed
1205 | grouped_music_list
1209 simultaneous_music { $$ = $1; }
1210 | sequential_music { $$ = $1; }
1213 /* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence:
1214 MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
1215 and this rule returns the reversed list of arguments. */
1217 /* Function argument lists come in a number of flavors. Whenever
1218 * LilyPond has to pick between different flavors, the decision is
1219 * either made because of tokens it has already seen, or it is
1220 * postponed until tokens suitable for making the decision come up.
1221 * For postponing decisions, it may be necessary that the competing
1222 * rules are written in a way making them compatible until a decision
1223 * can be made. Sometimes this is done by putting common traits into
1224 * a separate "common" rule set.
1226 * function_arglist: a full argument list. Optional arguments at the
1227 * end of the list can only be skipped by writing \default in their
1230 * function_arglist_backup: an argument list ending in an optional
1231 * argument that may be skipped depending on its predicate.
1233 * function_arglist_skip: an argument list _not_ ending in an optional
1234 * argument that is actually taken.
1236 * function_arglist_nonbackup: an argument list ending in an optional
1237 * argument that may not be skipped because it is in end position and
1238 * has not been shortcircuited with \default.
1240 * function_arglist* / function_arglist_closed*: The closed variants
1241 * don't end in simple music expressions that might still accept
1242 * things like a duration or a postevent.
1245 function_arglist_skip:
1246 function_arglist_common
1247 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip
1249 $$ = scm_cons ($1, $3);
1250 } %prec FUNCTION_ARGLIST
1251 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip
1253 $$ = scm_cons ($1, $3);
1254 } %prec FUNCTION_ARGLIST
1255 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
1257 $$ = scm_cons ($1, $3);
1258 } %prec FUNCTION_ARGLIST
1262 function_arglist_nonbackup_common:
1263 EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords {
1264 $$ = scm_cons ($4, $3);
1266 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length {
1267 $$ = scm_cons ($4, $3);
1269 | EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION
1271 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1273 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger
1275 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1277 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED
1279 SCM n = scm_difference ($5, SCM_UNDEFINED);
1280 if (scm_is_true (scm_call_1 ($2, n)))
1281 $$ = scm_cons (n, $3);
1283 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1284 t->set_property ("digit", $5);
1285 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1290 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL
1292 $$ = check_scheme_arg (parser, @4,
1293 scm_difference ($5, SCM_UNDEFINED),
1296 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER
1298 $$ = check_scheme_arg (parser, @4,
1299 scm_difference ($5, SCM_UNDEFINED),
1304 function_arglist_closed_nonbackup:
1305 function_arglist_nonbackup_common
1306 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed
1308 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1310 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed
1312 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1314 | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1316 $$ = check_scheme_arg (parser, @4,
1317 try_string_variants ($2, $4),
1320 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1322 $$ = check_scheme_arg (parser, @4,
1323 try_string_variants ($2, $4),
1326 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1328 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1334 | SYMBOL_LIST '.' symbol_list_rev
1336 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1342 | symbol_list_rev '.' symbol_list_part
1344 $$ = scm_append_x (scm_list_2 ($3, $1));
1348 // symbol_list_part delivers elements in reverse copy.
1353 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1354 $$ = try_string_variants (sym_l_p, $1);
1355 if (SCM_UNBNDP ($$)) {
1356 parser->parser_error (@1, _("not a symbol"));
1359 $$ = scm_reverse ($$);
1364 symbol_list_element:
1370 function_arglist_nonbackup:
1371 function_arglist_nonbackup_common
1372 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg
1374 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1376 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number
1378 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1380 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1382 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1384 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1386 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1388 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1390 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1394 function_arglist_nonbackup_reparse:
1395 EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1398 SCM res = try_string_variants ($2, $4);
1399 if (!SCM_UNBNDP (res))
1400 if (scm_is_pair (res))
1401 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1403 MYREPARSE (@4, $2, SCM_ARG, res);
1404 else if (scm_is_true
1406 ($2, make_music_from_simple
1408 MYREPARSE (@4, $2, STRING, $4);
1410 MYREPARSE (@4, $2, SCM_ARG, $4);
1412 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1415 SCM res = try_string_variants ($2, $4);
1416 if (!SCM_UNBNDP (res))
1417 if (scm_is_pair (res))
1418 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1420 MYREPARSE (@4, $2, SCM_ARG, res);
1421 else if (scm_is_true
1423 ($2, make_music_from_simple
1425 MYREPARSE (@4, $2, STRING, $4);
1427 MYREPARSE (@4, $2, SCM_ARG, $4);
1429 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1432 if (scm_is_true (scm_call_1 ($2, $4)))
1433 MYREPARSE (@4, $2, SCM_ARG, $4);
1434 else if (scm_is_true
1436 ($2, make_music_from_simple
1438 MYREPARSE (@4, $2, STRING, $4);
1440 MYREPARSE (@4, $2, SCM_ARG, $4);
1444 function_arglist_keep:
1445 function_arglist_common
1446 | function_arglist_backup
1449 function_arglist_closed_keep:
1450 function_arglist_closed_common
1451 | function_arglist_backup
1454 function_arglist_backup:
1455 EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed
1457 if (scm_is_true (scm_call_1 ($2, $4)))
1459 $$ = scm_cons ($4, $3);
1461 $$ = scm_cons (loc_on_music (@3, $1), $3);
1462 MYBACKUP (SCM_ARG, $4, @4);
1465 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger
1467 if (scm_is_true (scm_call_1 ($2, $4)))
1469 $$ = scm_cons ($4, $3);
1471 $$ = scm_cons (loc_on_music (@3, $1), $3);
1472 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1475 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup
1477 if (scm_is_true (scm_call_1 ($2, $4)))
1478 $$ = scm_cons ($4, $3);
1480 $$ = scm_cons (loc_on_music (@3, $1), $3);
1481 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1484 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED
1486 if (scm_is_true (scm_call_1 ($2, $4)))
1489 MYREPARSE (@4, $2, UNSIGNED, $4);
1491 $$ = scm_cons (loc_on_music (@3, $1), $3);
1492 MYBACKUP (UNSIGNED, $4, @4);
1495 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL
1497 if (scm_is_true (scm_call_1 ($2, $4)))
1500 MYREPARSE (@4, $2, REAL, $4);
1502 $$ = scm_cons (loc_on_music (@3, $1), $3);
1503 MYBACKUP (REAL, $4, @4);
1506 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER
1508 if (scm_is_true (scm_call_1 ($2, $4)))
1510 $$ = scm_cons ($4, $3);
1512 $$ = scm_cons (loc_on_music (@3, $1), $3);
1513 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1516 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION
1518 if (scm_is_true (scm_call_1 ($2, $4)))
1520 $$ = scm_cons ($4, $3);
1522 $$ = scm_cons (loc_on_music (@3, $1), $3);
1523 MYBACKUP (FRACTION, $4, @4);
1526 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED
1528 SCM n = scm_difference ($5, SCM_UNDEFINED);
1529 if (scm_is_true (scm_call_1 ($2, n))) {
1531 MYREPARSE (@5, $2, REAL, n);
1533 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1534 t->set_property ("digit", $5);
1535 $$ = t->unprotect ();
1536 if (scm_is_true (scm_call_1 ($2, $$)))
1537 $$ = scm_cons ($$, $3);
1539 $$ = scm_cons (loc_on_music (@3, $1), $3);
1540 MYBACKUP (UNSIGNED, $5, @5);
1541 parser->lexer_->push_extra_token ('-');
1546 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL
1548 SCM n = scm_difference ($5, SCM_UNDEFINED);
1549 if (scm_is_true (scm_call_1 ($2, n))) {
1550 MYREPARSE (@5, $2, REAL, n);
1553 $$ = scm_cons (loc_on_music (@3, $1), $3);
1554 MYBACKUP (REAL, n, @5);
1557 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER
1559 SCM n = scm_difference ($5, SCM_UNDEFINED);
1560 if (scm_is_true (scm_call_1 ($2, n))) {
1561 $$ = scm_cons (n, $3);
1563 $$ = scm_cons (loc_on_music (@3, $1), $3);
1564 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1567 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords
1569 $$ = scm_cons ($4, $3);
1571 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length
1573 $$ = scm_cons ($4, $3);
1575 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER
1577 SCM res = try_string_variants ($2, $4);
1578 if (!SCM_UNBNDP (res))
1579 if (scm_is_pair (res)) {
1581 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1584 $$ = scm_cons (res, $3);
1586 $$ = scm_cons (loc_on_music (@3, $1), $3);
1587 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1590 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING
1592 SCM res = try_string_variants ($2, $4);
1593 if (!SCM_UNBNDP (res))
1594 if (scm_is_pair (res)) {
1596 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1599 $$ = scm_cons (res, $3);
1601 $$ = scm_cons (loc_on_music (@3, $1), $3);
1602 MYBACKUP (STRING, $4, @4);
1605 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP
1607 $$ = scm_cons ($1, $3);
1608 MYBACKUP(0, SCM_UNDEFINED, @3);
1610 | function_arglist_backup REPARSE bare_number
1612 $$ = check_scheme_arg (parser, @3,
1615 | function_arglist_backup REPARSE symbol_list_arg
1617 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1622 function_arglist_common
1623 | function_arglist_nonbackup
1626 function_arglist_common:
1627 function_arglist_bare
1628 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1630 $$ = check_scheme_arg (parser, @3,
1633 | EXPECT_SCM function_arglist_closed_optional bare_number
1635 $$ = check_scheme_arg (parser, @3,
1638 | EXPECT_SCM function_arglist_optional FRACTION
1640 $$ = check_scheme_arg (parser, @3,
1643 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1645 $$ = check_scheme_arg (parser, @3,
1648 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1650 SCM n = scm_difference ($4, SCM_UNDEFINED);
1651 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1653 | function_arglist_common_reparse REPARSE SCM_ARG
1655 $$ = check_scheme_arg (parser, @3,
1658 | function_arglist_common_reparse REPARSE lyric_element_music
1660 $$ = check_scheme_arg (parser, @3,
1663 | function_arglist_common_reparse REPARSE bare_number
1665 $$ = check_scheme_arg (parser, @3,
1668 | function_arglist_common_reparse REPARSE symbol_list_arg
1670 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1674 function_arglist_common_reparse:
1675 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1678 SCM res = try_string_variants ($1, $3);
1679 if (!SCM_UNBNDP (res))
1680 if (scm_is_pair (res))
1681 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1683 MYREPARSE (@3, $1, SCM_ARG, res);
1684 else if (scm_is_true
1686 ($1, make_music_from_simple (parser, @3, $3))))
1687 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1689 // This is going to flag a syntax error, we
1690 // know the predicate to be false.
1691 MYREPARSE (@3, $1, SCM_ARG, $3);
1693 | EXPECT_SCM function_arglist_optional STRING
1696 SCM res = try_string_variants ($1, $3);
1697 if (!SCM_UNBNDP (res))
1698 if (scm_is_pair (res))
1699 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1701 MYREPARSE (@3, $1, SCM_ARG, res);
1702 else if (scm_is_true
1704 ($1, make_music_from_simple (parser, @3, $3))))
1705 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1707 // This is going to flag a syntax error, we
1708 // know the predicate to be false.
1709 MYREPARSE (@3, $1, SCM_ARG, $3);
1711 | EXPECT_SCM function_arglist_optional full_markup
1714 if (scm_is_true (scm_call_1 ($1, $3)))
1715 MYREPARSE (@3, $1, SCM_ARG, $3);
1716 else if (scm_is_true
1718 ($1, make_music_from_simple (parser, @3, $3))))
1719 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1721 // This is going to flag a syntax error, we
1722 // know the predicate to be false.
1723 MYREPARSE (@3, $1, SCM_ARG, $3);
1725 | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED
1728 SCM n = scm_difference ($4, SCM_UNDEFINED);
1729 if (scm_is_true (scm_call_1 ($1, n)))
1730 MYREPARSE (@4, $1, REAL, n);
1732 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
1733 t->set_property ("digit", $4);
1734 SCM m = t->unprotect ();
1735 if (scm_is_true (scm_call_1 ($1, m)))
1736 MYREPARSE (@4, $1, SCM_ARG, m);
1738 MYREPARSE (@4, $1, SCM_ARG, $4);
1742 | EXPECT_SCM function_arglist_closed_optional '-' REAL
1745 SCM n = scm_difference ($4, SCM_UNDEFINED);
1746 MYREPARSE (@4, $1, REAL, n);
1750 function_arglist_closed:
1751 function_arglist_closed_common
1752 | function_arglist_closed_nonbackup
1755 function_arglist_closed_common:
1756 function_arglist_bare
1757 | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed
1759 $$ = check_scheme_arg (parser, @3,
1762 | EXPECT_SCM function_arglist_closed_optional bare_number
1764 $$ = check_scheme_arg (parser, @3,
1767 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1769 $$ = check_scheme_arg (parser, @3,
1770 scm_difference ($4, SCM_UNDEFINED),
1773 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1775 $$ = check_scheme_arg (parser, @3,
1778 | EXPECT_SCM function_arglist_optional FRACTION
1780 $$ = check_scheme_arg (parser, @3,
1783 | function_arglist_common_reparse REPARSE SCM_ARG
1785 $$ = check_scheme_arg (parser, @3,
1788 | function_arglist_common_reparse REPARSE bare_number
1790 $$ = check_scheme_arg (parser, @3,
1793 | function_arglist_common_reparse REPARSE symbol_list_arg
1795 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1799 function_arglist_optional:
1800 function_arglist_keep %prec FUNCTION_ARGLIST
1801 | function_arglist_backup BACKUP
1802 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
1804 $$ = scm_cons ($1, $3);
1806 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
1808 $$ = scm_cons ($1, $3);
1812 function_arglist_closed_optional:
1813 function_arglist_closed_keep %prec FUNCTION_ARGLIST
1814 | function_arglist_backup BACKUP
1815 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
1817 $$ = scm_cons ($1, $3);
1819 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
1821 $$ = scm_cons ($1, $3);
1825 embedded_scm_closed:
1827 | scm_function_call_closed
1830 embedded_scm_arg_closed:
1831 embedded_scm_bare_arg
1832 | scm_function_call_closed
1836 scm_function_call_closed:
1837 SCM_FUNCTION function_arglist_closed {
1838 $$ = MAKE_SYNTAX ("music-function", @$,
1840 } %prec FUNCTION_ARGLIST
1843 function_arglist_bare:
1844 EXPECT_NO_MORE_ARGS {
1847 | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
1848 $$ = scm_cons ($3, $2);
1850 | EXPECT_DURATION function_arglist_closed_optional duration_length {
1851 $$ = scm_cons ($3, $2);
1853 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT {
1854 $$ = scm_cons ($1, $3);
1856 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT {
1857 $$ = scm_cons ($1, $3);
1859 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT {
1860 $$ = scm_cons ($1, $3);
1864 music_function_call:
1865 MUSIC_FUNCTION function_arglist {
1866 $$ = MAKE_SYNTAX ("music-function", @$,
1873 /**/ { $$ = SCM_EOL; }
1874 | '=' simple_string {
1881 | repeated_music { $$ = $1; }
1882 | re_rhythmed_music { $$ = $1; }
1883 | complex_music_prefix music
1885 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1889 complex_music_prefix:
1890 CONTEXT symbol optional_id optional_context_mod {
1891 Context_mod *ctxmod = unsmob_context_mod ($4);
1894 mods = ctxmod->get_mods ();
1895 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
1897 | NEWCONTEXT symbol optional_id optional_context_mod {
1898 Context_mod *ctxmod = unsmob_context_mod ($4);
1901 mods = ctxmod->get_mods ();
1902 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
1907 mode_changing_head grouped_music_list {
1908 if ($1 == ly_symbol2scm ("chords"))
1910 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
1916 parser->lexer_->pop_state ();
1918 | mode_changing_head_with_context optional_context_mod grouped_music_list {
1919 Context_mod *ctxmod = unsmob_context_mod ($2);
1922 mods = ctxmod->get_mods ();
1923 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
1924 if ($1 == ly_symbol2scm ("ChordNames"))
1926 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
1928 parser->lexer_->pop_state ();
1934 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1935 parser->lexer_->push_note_state (nn);
1937 $$ = ly_symbol2scm ("notes");
1941 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1942 parser->lexer_->push_note_state (nn);
1944 $$ = ly_symbol2scm ("drums");
1947 parser->lexer_->push_figuredbass_state ();
1949 $$ = ly_symbol2scm ("figures");
1952 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1953 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1954 nn = parser->lexer_->lookup_identifier ("pitchnames");
1955 parser->lexer_->push_chord_state (nn);
1956 $$ = ly_symbol2scm ("chords");
1960 { parser->lexer_->push_lyric_state ();
1961 $$ = ly_symbol2scm ("lyrics");
1965 mode_changing_head_with_context:
1967 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1968 parser->lexer_->push_note_state (nn);
1970 $$ = ly_symbol2scm ("DrumStaff");
1973 parser->lexer_->push_figuredbass_state ();
1975 $$ = ly_symbol2scm ("FiguredBass");
1978 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1979 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1980 nn = parser->lexer_->lookup_identifier ("pitchnames");
1981 parser->lexer_->push_chord_state (nn);
1982 $$ = ly_symbol2scm ("ChordNames");
1985 { parser->lexer_->push_lyric_state ();
1986 $$ = ly_symbol2scm ("Lyrics");
1991 ADDLYRICS { parser->lexer_->push_lyric_state (); }
1994 /* Can also use music at the expensive of two S/Rs similar to
1995 \repeat \alternative */
1996 parser->lexer_->pop_state ();
1998 $$ = scm_cons ($3, SCM_EOL);
2000 | new_lyrics ADDLYRICS {
2001 parser->lexer_->push_lyric_state ();
2003 parser->lexer_->pop_state ();
2004 $$ = scm_cons ($4, $1);
2009 composite_music new_lyrics {
2010 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2012 | LYRICSTO simple_string {
2013 parser->lexer_->push_lyric_state ();
2015 parser->lexer_->pop_state ();
2016 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $4);
2021 CHANGE STRING '=' STRING {
2022 $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4);
2029 $$ = scm_reverse_x ($1, SCM_EOL);
2031 | symbol_list_rev property_path {
2032 $$ = scm_reverse_x ($1, $2);
2038 $$ = scm_list_3 (ly_symbol2scm ("assign"), $1, $3);
2041 $$ = scm_list_2 (ly_symbol2scm ("unset"), $2);
2043 | OVERRIDE property_path '=' scalar {
2044 if (scm_ilength ($2) < 2) {
2045 parser->parser_error (@2, _("bad grob property path"));
2048 $$ = scm_cons (ly_symbol2scm ("push"),
2049 scm_cons2 (scm_car ($2),
2054 | REVERT revert_arg {
2055 $$ = scm_cons (ly_symbol2scm ("pop"), $2);
2059 // This is all quite awkward for the sake of substantial backward
2060 // compatibility while at the same time allowing a more "natural" form
2061 // of specification not separating grob specification from grob
2062 // property path. The purpose of this definition of revert_arg is to
2063 // allow the symbol list which specifies grob and property to revert
2064 // to be optionally be split into two parts after the grob (which in
2065 // this case is just the first element of the list). symbol_list_part
2066 // is only one path component, but it can be parsed without lookahead,
2067 // so we can follow it with a synthetic BACKUP token when needed. If
2068 // the first symbol_list_part already contains multiple elements (only
2069 // possible if a Scheme expression provides them), we just parse for
2070 // additional elements introduced by '.', which is what the
2071 // SYMBOL_LIST backup in connection with the immediately following
2072 // rule using symbol_list_arg does.
2074 // As long as we don't have our coffers filled with both grob and at
2075 // least one grob property specification, the rest of the required
2076 // symbol list chain may be provided either with or without a leading
2077 // dot. This is for both allowing the traditional
2078 // \revert Accidental #'color
2079 // as well as well as the "naive" form
2080 // \revert Accidental.color
2083 revert_arg_backup BACKUP symbol_list_arg
2092 if (scm_is_null ($1)
2093 || scm_is_null (scm_cdr ($1)))
2094 MYBACKUP (SCM_ARG, $1, @1);
2096 MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
2100 // revert_arg_part delivers results in reverse
2103 | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part
2105 $$ = scm_append_x (scm_list_2 ($5, $3));
2107 | revert_arg_backup BACKUP SCM_ARG symbol_list_part
2109 $$ = scm_append_x (scm_list_2 ($4, $3));
2114 CONSISTS { $$ = ly_symbol2scm ("consists"); }
2115 | REMOVE { $$ = ly_symbol2scm ("remove"); }
2117 | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
2118 | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
2119 | DENIES { $$ = ly_symbol2scm ("denies"); }
2121 | ALIAS { $$ = ly_symbol2scm ("alias"); }
2122 | TYPE { $$ = ly_symbol2scm ("translator-type"); }
2123 | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
2124 | NAME { $$ = ly_symbol2scm ("context-name"); }
2128 property_operation { $$ = $1; }
2129 | context_def_mod STRING {
2130 $$ = scm_list_2 ($1, $2);
2132 | context_def_mod embedded_scm
2134 if (!scm_is_string ($2)
2135 && ly_symbol2scm ("consists") != $1
2136 && ly_symbol2scm ("remove") != $1)
2139 parser->parser_error (@1, _ ("only \\consists and \\remove take non-string argument."));
2143 $$ = scm_list_2 ($1, $2);
2148 // If defined, at least two members.
2152 SCM l = scm_reverse_x ($1, SCM_EOL);
2155 (scm_object_property (scm_car (l),
2156 ly_symbol2scm ("is-grob?"))))
2157 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2158 if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
2159 parser->parser_error (@1, _ ("bad grob property path"));
2166 // If defined, at least three members
2170 if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
2172 parser->parser_error (@1, _ ("bad grob property path"));
2176 | grob_prop_spec property_path
2178 if (!SCM_UNBNDP ($1)) {
2179 $$ = scm_append_x (scm_list_2 ($1, $2));
2180 if (scm_is_null (scm_cddr ($$))) {
2181 parser->parser_error (@$, _ ("bad grob property path"));
2189 // Exactly two elements or undefined
2193 SCM l = scm_reverse_x ($1, SCM_EOL);
2194 switch (scm_ilength (l)) {
2196 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2200 parser->parser_error (@1, _ ("bad context property path"));
2207 simple_music_property_def:
2208 OVERRIDE grob_prop_path '=' scalar {
2209 if (SCM_UNBNDP ($2))
2212 $$ = scm_list_5 (scm_car ($2),
2213 ly_symbol2scm ("OverrideProperty"),
2219 | REVERT simple_revert_context revert_arg {
2220 $$ = scm_list_4 ($2,
2221 ly_symbol2scm ("RevertProperty"),
2225 | SET context_prop_spec '=' scalar {
2226 if (SCM_UNBNDP ($2))
2229 $$ = scm_list_4 (scm_car ($2),
2230 ly_symbol2scm ("PropertySet"),
2234 | UNSET context_prop_spec {
2235 if (SCM_UNBNDP ($2))
2238 $$ = scm_list_3 (scm_car ($2),
2239 ly_symbol2scm ("PropertyUnset"),
2245 // This is all quite awkward for the sake of substantial backward
2246 // compatibility while at the same time allowing a more "natural" form
2247 // of specification not separating grob specification from grob
2248 // property path. The purpose of this definition of
2249 // simple_revert_context is to allow the symbol list which specifies
2250 // grob and property to revert to be optionally be split into two
2251 // parts after the grob (which may be preceded by a context
2252 // specification, a case which we distinguish by checking whether the
2253 // first symbol is a valid grob symbol instead).
2255 // See revert_arg above for the main work horse of this arrangement.
2256 // simple_revert_context just caters for the context and delegates the
2257 // rest of the job to revert_arg.
2259 simple_revert_context:
2262 $1 = scm_reverse_x ($1, SCM_EOL);
2263 if (scm_is_null ($1)
2265 (scm_object_property (scm_car ($1),
2266 ly_symbol2scm ("is-grob?")))) {
2267 $$ = ly_symbol2scm ("Bottom");
2268 parser->lexer_->push_extra_token (SCM_IDENTIFIER, $1);
2271 parser->lexer_->push_extra_token (SCM_IDENTIFIER,
2278 simple_music_property_def {
2279 if (SCM_UNBNDP ($1))
2280 $$ = MAKE_SYNTAX ("void-music", @1);
2282 $$ = LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("property-operation"), scm_cons2 (parser->self_scm (), make_input (@$), $1));
2293 simple_string: STRING {
2298 if (scm_is_string ($1)) {
2301 parser->parser_error (@1, (_ ("simple string expected")));
2302 $$ = scm_string (SCM_EOL);
2309 $$ = scm_string_to_symbol ($1);
2313 // This is a bit of overkill but makes the same
2314 // routine responsible for all symbol interpretations.
2315 $$ = try_string_variants (ly_lily_module_constant ("symbol?"),
2317 if (SCM_UNBNDP ($$))
2319 parser->parser_error (@1, (_ ("symbol expected")));
2320 // Generate a unique symbol in case it is used
2321 // for an assignment or similar
2322 $$ = scm_make_symbol (ly_string2scm ("undefined"));
2331 // The following is a rather defensive variant of admitting
2332 // negative numbers: the grammar would permit number_factor or
2333 // even number_expression. However, function arguments allow
2334 // only this simple kind of negative number, so to have things
2335 // like \tweak and \override behave reasonably similar, it
2336 // makes sense to rule out things like -- which are rather an
2337 // accent in function argument contexts.
2340 $$ = scm_difference ($2, SCM_UNDEFINED);
2348 embedded_scm_arg_closed
2350 // for scalar_closed to be an actually closed (no lookahead)
2351 // expression, we'd need to use bare_number_closed here. It
2352 // turns out that the only use of scalar_closed in TEMPO is
2353 // not of the kind requiring the full closedness criterion.
2357 $$ = scm_difference ($2, SCM_UNDEFINED);
2366 simple_element post_events {
2367 // Let the rhythmic music iterator sort this mess out.
2368 if (scm_is_pair ($2)) {
2369 $$ = make_music_from_simple (parser, @1, $1);
2370 if (unsmob_music ($$))
2371 unsmob_music ($$)->set_property ("articulations",
2372 scm_reverse_x ($2, SCM_EOL));
2374 parser->parser_error (@1, _("music expected"));
2377 | simple_chord_elements post_events {
2378 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
2381 /* why is this giving wrong start location? -ns
2383 i.set_location (@1, @2);
2384 $$ = MAKE_SYNTAX ("event-chord", i, elts);
2386 | CHORD_REPETITION optional_notemode_duration post_events {
2388 i.set_location (@1, @3);
2389 $$ = MAKE_SYNTAX ("repetition-chord", i,
2390 $2, scm_reverse_x ($3, SCM_EOL));
2392 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2394 i.set_location (@1, @3);
2395 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2396 scm_reverse_x ($3, SCM_EOL));
2399 | note_chord_element
2404 chord_body optional_notemode_duration post_events
2406 Music *m = unsmob_music ($1);
2407 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2408 SCM es = m->get_property ("elements");
2409 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2411 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2412 unsmob_music (scm_car (s))->set_property ("duration", dur);
2413 es = ly_append2 (es, postevs);
2415 m-> set_property ("elements", es);
2417 $$ = m->self_scm ();
2422 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2424 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2428 chord_body_elements:
2429 /* empty */ { $$ = SCM_EOL; }
2430 | chord_body_elements chord_body_element {
2431 if (!SCM_UNBNDP ($2))
2432 $$ = scm_cons ($2, $1);
2437 pitch exclamations questions octave_check post_events
2439 bool q = to_boolean ($3);
2440 bool ex = to_boolean ($2);
2444 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2445 n->set_property ("pitch", $1);
2447 n->set_property ("cautionary", SCM_BOOL_T);
2449 n->set_property ("force-accidental", SCM_BOOL_T);
2451 if (scm_is_pair (post)) {
2452 SCM arts = scm_reverse_x (post, SCM_EOL);
2453 n->set_property ("articulations", arts);
2455 if (scm_is_number (check))
2457 int q = scm_to_int (check);
2458 n->set_property ("absolute-octave", scm_from_int (q-1));
2461 $$ = n->unprotect ();
2463 | DRUM_PITCH post_events {
2464 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2465 n->set_property ("drum-type", $1);
2467 if (scm_is_pair ($2)) {
2468 SCM arts = scm_reverse_x ($2, SCM_EOL);
2469 n->set_property ("articulations", arts);
2471 $$ = n->unprotect ();
2473 | music_function_chord_body
2475 Music *m = unsmob_music ($1);
2477 while (m && m->is_mus_type ("music-wrapper-music")) {
2478 $$ = m->get_property ("element");
2479 m = unsmob_music ($$);
2482 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2483 parser->parser_error (@$, _ ("not a rhythmic event"));
2489 music_function_chord_body:
2494 // Event functions may only take closed arglists, otherwise it would
2495 // not be clear whether a following postevent should be associated
2496 // with the last argument of the event function or with the expression
2497 // for which the function call acts itself as event.
2499 music_function_call_closed:
2500 MUSIC_FUNCTION function_arglist_closed {
2501 $$ = MAKE_SYNTAX ("music-function", @$,
2506 event_function_event:
2507 EVENT_FUNCTION function_arglist_closed {
2508 $$ = MAKE_SYNTAX ("music-function", @$,
2530 | post_events post_event {
2532 if (Music *m = unsmob_music ($2))
2534 if (m->is_mus_type ("post-event-wrapper"))
2536 for (SCM p = m->get_property ("elements");
2540 $$ = scm_cons (scm_car (p), $$);
2544 $$ = scm_cons ($2, $$);
2550 post_event_nofinger:
2551 direction_less_event {
2554 | script_dir music_function_call_closed {
2556 if (!unsmob_music ($2)->is_mus_type ("post-event")) {
2557 parser->parser_error (@2, _ ("post-event expected"));
2558 $$ = SCM_UNSPECIFIED;
2559 } else if (!SCM_UNBNDP ($1))
2561 unsmob_music ($$)->set_property ("direction", $1);
2565 if (!parser->lexer_->is_lyric_state ())
2566 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2567 $$ = MY_MAKE_MUSIC ("HyphenEvent", @$)->unprotect ();
2570 if (!parser->lexer_->is_lyric_state ())
2571 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2572 $$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
2574 | script_dir direction_reqd_event {
2575 if (!SCM_UNBNDP ($1))
2577 Music *m = unsmob_music ($2);
2578 m->set_property ("direction", $1);
2582 | script_dir direction_less_event {
2583 if (!SCM_UNBNDP ($1))
2585 Music *m = unsmob_music ($2);
2586 m->set_property ("direction", $1);
2593 unsmob_music ($$)->set_property ("direction", scm_from_int (UP));
2598 unsmob_music ($$)->set_property ("direction", scm_from_int (DOWN));
2609 string_number_event:
2611 Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
2612 s->set_property ("string-number", $1);
2613 $$ = s->unprotect ();
2617 direction_less_event:
2619 | EVENT_IDENTIFIER {
2623 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2624 a->set_property ("tremolo-type", $1);
2625 $$ = a->unprotect ();
2627 | event_function_event
2630 direction_reqd_event:
2634 | script_abbreviation {
2635 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2636 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2637 if (scm_is_string (s))
2638 a->set_property ("articulation-type", s);
2639 else parser->parser_error (@1, _ ("expecting string as script definition"));
2640 $$ = a->unprotect ();
2645 /**/ { $$ = SCM_EOL; }
2646 | '=' quotes { $$ = $2; }
2660 $$ = scm_from_int (1);
2663 $$ = scm_oneplus ($1);
2669 $$ = scm_from_int (-1);
2672 $$ = scm_oneminus ($1);
2677 NOTENAME_PITCH quotes {
2678 if (!scm_is_eq (SCM_INUM0, $2))
2680 Pitch p = *unsmob_pitch ($1);
2681 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2682 $$ = p.smobbed_copy ();
2692 TONICNAME_PITCH quotes {
2693 if (!scm_is_eq (SCM_INUM0, $2))
2695 Pitch p = *unsmob_pitch ($1);
2696 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2697 $$ = p.smobbed_copy ();
2707 pitch_also_in_chords:
2714 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2715 t->set_property ("text", $1);
2716 $$ = t->unprotect ();
2719 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2720 t->set_property ("text",
2721 make_simple_markup ($1));
2722 $$ = t->unprotect ();
2724 | embedded_scm_closed
2726 Music *m = unsmob_music ($1);
2727 if (m && m->is_mus_type ("post-event"))
2729 else if (Text_interface::is_markup ($1)) {
2730 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2731 t->set_property ("text", $1);
2732 $$ = t->unprotect ();
2734 parser->parser_error (@1, _ ("not an articulation"));
2740 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2741 t->set_property ("digit", $1);
2742 $$ = t->unprotect ();
2746 script_abbreviation:
2748 $$ = scm_from_locale_string ("Hat");
2751 $$ = scm_from_locale_string ("Plus");
2754 $$ = scm_from_locale_string ("Dash");
2757 $$ = scm_from_locale_string ("Bang");
2760 $$ = scm_from_locale_string ("Larger");
2763 $$ = scm_from_locale_string ("Dot");
2766 $$ = scm_from_locale_string ("Underscore");
2771 '_' { $$ = scm_from_int (DOWN); }
2772 | '^' { $$ = scm_from_int (UP); }
2773 | '-' { $$ = SCM_UNDEFINED; }
2777 multiplied_duration {
2782 maybe_notemode_duration:
2786 | multiplied_duration {
2788 parser->default_duration_ = *unsmob_duration ($$);
2793 optional_notemode_duration:
2794 maybe_notemode_duration
2796 if (SCM_UNBNDP ($$))
2797 $$ = parser->default_duration_.smobbed_copy ();
2804 int n = scm_to_int ($1);
2805 if (!is_duration (n))
2806 parser->parser_error (@1, _f ("not a duration: %d", n));
2810 $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
2812 | DURATION_IDENTIFIER dots {
2813 Duration *d = unsmob_duration ($1);
2814 Duration k (d->duration_log (),
2815 d->dot_count () + scm_to_int ($2));
2816 k = k.compressed (d->factor ());
2817 scm_remember_upto_here_1 ($1);
2818 $$ = k.smobbed_copy ();
2822 multiplied_duration:
2826 | multiplied_duration '*' UNSIGNED {
2827 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
2829 | multiplied_duration '*' FRACTION {
2830 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
2832 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
2841 $$ = scm_oneplus ($1);
2850 int n = scm_to_int ($2);
2851 if (!is_duration (n))
2852 parser->parser_error (@2, _f ("not a duration: %d", n));
2858 UNSIGNED { $$ = $1; }
2859 | STRING { $$ = $1; }
2860 | full_markup { $$ = $1; }
2863 // as an integer, it needs to be non-negative, and otherwise
2864 // it needs to be suitable as a markup.
2865 if (scm_is_integer ($1)
2866 ? scm_is_true (scm_negative_p ($1))
2867 : !Text_interface::is_markup ($1))
2869 parser->parser_error (@1, _ ("bass number expected"));
2875 figured_bass_alteration:
2876 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
2877 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
2878 | '!' { $$ = scm_from_int (0); }
2883 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2884 $$ = bfr->unprotect ();
2887 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2888 $$ = bfr->self_scm ();
2890 if (scm_is_number ($1))
2891 bfr->set_property ("figure", $1);
2892 else if (Text_interface::is_markup ($1))
2893 bfr->set_property ("text", $1);
2899 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
2901 | bass_figure figured_bass_alteration {
2902 Music *m = unsmob_music ($1);
2903 if (scm_to_double ($2)) {
2904 SCM salter = m->get_property ("alteration");
2905 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
2906 m->set_property ("alteration",
2907 scm_sum (alter, $2));
2909 m->set_property ("alteration", scm_from_int (0));
2912 | bass_figure figured_bass_modification {
2913 Music *m = unsmob_music ($1);
2914 m->set_property ($2, SCM_BOOL_T);
2919 figured_bass_modification:
2921 $$ = ly_symbol2scm ("augmented");
2924 $$ = ly_symbol2scm ("no-continuation");
2927 $$ = ly_symbol2scm ("diminished");
2930 $$ = ly_symbol2scm ("augmented-slash");
2940 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
2948 | figure_list br_bass_figure {
2949 $$ = scm_cons ($2, $1);
2954 FIGURE_OPEN figure_list FIGURE_CLOSE {
2955 $$ = scm_reverse_x ($2, SCM_EOL);
2961 /**/ { $$ = SCM_BOOL_F; }
2962 | REST { $$ = SCM_BOOL_T; }
2966 pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
2967 if (!parser->lexer_->is_note_state ())
2968 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
2969 if (!SCM_UNBNDP ($2)
2971 || scm_is_number ($4)
2973 || scm_is_true ($6))
2976 if (scm_is_true ($6))
2977 n = MY_MAKE_MUSIC ("RestEvent", @$);
2979 n = MY_MAKE_MUSIC ("NoteEvent", @$);
2981 n->set_property ("pitch", $1);
2982 if (SCM_UNBNDP ($5))
2983 n->set_property ("duration",
2984 parser->default_duration_.smobbed_copy ());
2986 n->set_property ("duration", $5);
2988 if (scm_is_number ($4))
2990 int q = scm_to_int ($4);
2991 n->set_property ("absolute-octave", scm_from_int (q-1));
2994 if (to_boolean ($3))
2995 n->set_property ("cautionary", SCM_BOOL_T);
2996 if (to_boolean ($2) || to_boolean ($3))
2997 n->set_property ("force-accidental", SCM_BOOL_T);
2999 $$ = n->unprotect ();
3002 | DRUM_PITCH optional_notemode_duration {
3003 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
3004 n->set_property ("duration", $2);
3005 n->set_property ("drum-type", $1);
3007 $$ = n->unprotect ();
3009 | RESTNAME optional_notemode_duration {
3011 if (ly_scm2string ($1) == "s") {
3013 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
3016 ev = MY_MAKE_MUSIC ("RestEvent", @$);
3019 ev->set_property ("duration", $2);
3020 $$ = ev->unprotect ();
3024 simple_chord_elements:
3026 if (!parser->lexer_->is_chord_state ())
3027 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
3030 | figure_spec optional_notemode_duration {
3031 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
3033 unsmob_music (scm_car (s))->set_property ("duration", $2);
3041 if (!parser->lexer_->is_lyric_state ())
3042 parser->parser_error (@1, _ ("markup outside of text script or \\lyricmode"));
3046 if (!parser->lexer_->is_lyric_state ())
3047 parser->parser_error (@1, _ ("unrecognized string, not in text script or \\lyricmode"));
3053 lyric_element_music:
3054 lyric_element optional_notemode_duration post_events {
3055 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3056 if (scm_is_pair ($3))
3057 unsmob_music ($$)->set_property
3058 ("articulations", scm_reverse_x ($3, SCM_EOL));
3063 steno_tonic_pitch optional_notemode_duration {
3064 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3066 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3067 SCM its = scm_reverse_x ($4, SCM_EOL);
3068 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3076 | chord_items chord_item {
3077 $$ = scm_cons ($2, $$);
3083 $$ = ly_symbol2scm ("chord-colon");
3086 $$ = ly_symbol2scm ("chord-caret");
3088 | CHORD_SLASH steno_tonic_pitch {
3089 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3091 | CHORD_BASS steno_tonic_pitch {
3092 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3101 $$ = scm_reverse_x ($1, SCM_EOL);
3109 step_number { $$ = scm_cons ($1, SCM_EOL); }
3110 | step_numbers '.' step_number {
3111 $$ = scm_cons ($3, $$);
3117 $$ = make_chord_step ($1, 0);
3120 $$ = make_chord_step ($1, SHARP_ALTERATION);
3122 | UNSIGNED CHORD_MINUS {
3123 $$ = make_chord_step ($1, FLAT_ALTERATION);
3131 | UNSIGNED '-' UNSIGNED {
3132 $$ = scm_cons ($1, $3);
3139 TODO: should deprecate in favor of Scheme?
3143 number_expression '+' number_term {
3144 $$ = scm_sum ($1, $3);
3146 | number_expression '-' number_term {
3147 $$ = scm_difference ($1, $3);
3156 | number_factor '*' number_factor {
3157 $$ = scm_product ($1, $3);
3159 | number_factor '/' number_factor {
3160 $$ = scm_divide ($1, $3);
3165 '-' number_factor { /* %prec UNARY_MINUS */
3166 $$ = scm_difference ($2, SCM_UNDEFINED);
3174 | UNSIGNED NUMBER_IDENTIFIER {
3175 $$ = scm_product ($1, $2);
3177 | REAL NUMBER_IDENTIFIER {
3178 $$ = scm_product ($1, $2);
3194 { $$ = SCM_UNDEFINED; }
3197 if (SCM_UNBNDP ($1))
3205 { $$ = SCM_UNDEFINED; }
3208 if (SCM_UNBNDP ($1))
3217 { parser->lexer_->push_markup_state (); }
3220 parser->lexer_->pop_state ();
3226 { parser->lexer_->push_markup_state (); }
3229 parser->lexer_->pop_state ();
3234 simple_markup_list {
3235 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3237 | markup_head_1_list simple_markup
3239 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3240 @2, $1, scm_list_1 ($2)));
3250 if (Text_interface::is_markup ($1))
3251 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3252 else if (Text_interface::is_markup_list ($1))
3253 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3255 parser->parser_error (@1, _ ("not a markup"));
3256 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3263 markup_composed_list {
3266 | markup_uncomposed_list
3269 markup_uncomposed_list:
3270 markup_braced_list {
3273 | markup_command_list {
3274 $$ = scm_list_1 ($1);
3276 | markup_scm MARKUPLIST_IDENTIFIER
3286 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
3292 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3293 parser->lexer_->push_note_state (nn);
3294 } '{' score_body '}' {
3296 parser->lexer_->pop_state ();
3300 markup_composed_list:
3301 markup_head_1_list markup_uncomposed_list {
3302 $$ = MAKE_SYNTAX ("composed-markup-list",
3308 '{' markup_braced_list_body '}' {
3309 $$ = scm_reverse_x ($2, SCM_EOL);
3313 markup_braced_list_body:
3314 /* empty */ { $$ = SCM_EOL; }
3315 | markup_braced_list_body markup {
3316 $$ = scm_cons ($2, $1);
3318 | markup_braced_list_body simple_markup_list {
3319 $$ = scm_reverse_x ($2, $1);
3323 markup_command_list:
3324 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3325 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3329 markup_command_basic_arguments:
3330 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3331 $$ = scm_cons ($3, $2);
3333 | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
3334 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3336 | EXPECT_NO_MORE_ARGS {
3341 markup_command_list_arguments:
3342 markup_command_basic_arguments { $$ = $1; }
3343 | EXPECT_MARKUP markup_command_list_arguments markup {
3344 $$ = scm_cons ($3, $2);
3349 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3350 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3355 markup_head_1_item {
3356 $$ = scm_list_1 ($1);
3358 | markup_head_1_list markup_head_1_item {
3359 $$ = scm_cons ($2, $1);
3365 $$ = make_simple_markup ($1);
3367 | MARKUP_FUNCTION markup_command_basic_arguments {
3368 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3370 | markup_scm MARKUP_IDENTIFIER
3376 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
3381 markup_head_1_list simple_markup
3383 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3384 @2, $1, scm_list_1 ($2)));
3394 Lily_parser::set_yydebug (bool x)
3400 Lily_parser::do_yyparse ()
3402 SCM retval = SCM_UNDEFINED;
3403 yyparse (this, &retval);
3413 It is a little strange to have this function in this file, but
3414 otherwise, we have to import music classes into the lexer.
3418 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3420 if (unsmob_book (sid)) {
3421 Book *book = unsmob_book (sid)->clone ();
3422 *destination = book->self_scm ();
3425 return BOOK_IDENTIFIER;
3426 } else if (scm_is_number (sid)) {
3428 return NUMBER_IDENTIFIER;
3429 } else if (unsmob_context_def (sid)) {
3430 Context_def *def= unsmob_context_def (sid)->clone ();
3432 *destination = def->self_scm ();
3435 return CONTEXT_DEF_IDENTIFIER;
3436 } else if (unsmob_context_mod (sid)) {
3437 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3439 return CONTEXT_MOD_IDENTIFIER;
3440 } else if (Music *mus = unsmob_music (sid)) {
3441 mus = mus->clone ();
3442 *destination = mus->self_scm ();
3443 bool is_event = mus->is_mus_type ("post-event");
3445 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3446 } else if (unsmob_pitch (sid)) {
3447 *destination = unsmob_pitch (sid)->smobbed_copy ();
3448 return PITCH_IDENTIFIER;
3449 } else if (unsmob_duration (sid)) {
3450 *destination = unsmob_duration (sid)->smobbed_copy ();
3451 return DURATION_IDENTIFIER;
3452 } else if (unsmob_output_def (sid)) {
3453 Output_def *p = unsmob_output_def (sid);
3456 *destination = p->self_scm ();
3458 return OUTPUT_DEF_IDENTIFIER;
3465 get_next_unique_context_id ()
3467 return scm_from_locale_string ("$uniqueContextId");
3472 get_next_unique_lyrics_context_id ()
3474 static int new_context_count;
3476 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3477 return scm_from_locale_string (s);
3480 // check_scheme_arg checks one argument with a given predicate for use
3481 // in an argument list and throws a syntax error if it is unusable.
3482 // The argument is prepended to the argument list in any case. After
3483 // throwing a syntax error, the argument list is terminated with #f as
3484 // its last cdr in order to mark it as uncallable while not losing
3485 // track of its total length.
3487 // There are a few special considerations: if optional argument disp
3488 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3489 // instead of arg in a prospective error message. This is useful if
3490 // arg is not the actual argument but rather a transformation of it.
3492 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3493 // and an error message using disp is produced unconditionally.
3495 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3496 SCM arg, SCM args, SCM pred, SCM disp)
3498 if (SCM_UNBNDP (arg))
3499 args = scm_cons (disp, args);
3501 args = scm_cons (arg, args);
3502 if (scm_is_true (scm_call_1 (pred, arg)))
3505 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3506 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3507 SCM_UNBNDP (disp) ? arg : disp);
3508 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3512 SCM loc_on_music (Input loc, SCM arg)
3514 if (Music *m = unsmob_music (arg))
3518 return m->unprotect ();
3524 try_string_variants (SCM pred, SCM str)
3526 // a matching predicate is always ok
3527 if (scm_is_true (scm_call_1 (pred, str)))
3529 // a symbol may be interpreted as a list of symbols if it helps
3530 if (scm_is_symbol (str)) {
3531 str = scm_list_1 (str);
3532 if (scm_is_true (scm_call_1 (pred, str)))
3534 return SCM_UNDEFINED;
3537 // If this cannot be a string representation of a symbol list,
3540 if (!is_regular_identifier (str, true))
3541 return SCM_UNDEFINED;
3543 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3544 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3545 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3547 // Let's attempt the symbol list interpretation first.
3549 if (scm_is_true (scm_call_1 (pred, str)))
3552 // If there is just one symbol in the list, we might interpret
3553 // it as a single symbol
3555 if (scm_is_null (scm_cdr (str)))
3557 str = scm_car (str);
3558 if (scm_is_true (scm_call_1 (pred, str)))
3562 return SCM_UNDEFINED;
3566 is_regular_identifier (SCM id, bool multiple)
3568 if (!scm_is_string (id))
3571 string str = ly_scm2string (id);
3573 bool middle = false;
3575 for (string::iterator it=str.begin(); it != str.end (); it++)
3578 if ((c >= 'a' && c <= 'z')
3579 || (c >= 'A' && c <= 'Z')
3582 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3591 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3593 if (unsmob_music (simple))
3595 if (parser->lexer_->is_note_state ()) {
3596 if (scm_is_symbol (simple)) {
3597 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3598 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3599 n->set_property ("drum-type", simple);
3600 return n->unprotect ();
3602 if (unsmob_pitch (simple)) {
3603 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3604 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3605 n->set_property ("pitch", simple);
3606 return n->unprotect ();
3609 } else if (parser->lexer_->is_lyric_state ()) {
3610 if (Text_interface::is_markup (simple))
3611 return MAKE_SYNTAX ("lyric-event", loc, simple,
3612 parser->default_duration_.smobbed_copy ());
3613 } else if (parser->lexer_->is_chord_state ()) {
3614 if (unsmob_pitch (simple))
3615 return make_chord_elements (loc, simple,
3616 parser->default_duration_.smobbed_copy (),
3623 make_music_with_input (SCM name, Input where)
3625 Music *m = make_music_by_name (name);
3626 m->set_spot (where);
3631 make_simple_markup (SCM a)
3639 return t && t == 1 << intlog2 (t);
3643 make_chord_step (SCM step_scm, Rational alter)
3645 int step = scm_to_int (step_scm);
3648 alter += FLAT_ALTERATION;
3652 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3653 return m.smobbed_copy ();
3658 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3660 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3661 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3662 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3664 unsmob_music (scm_car (s))->set_spot (loc);
3670 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3672 Lily_lexer *lex = parser->lexer_;
3676 lex->prepare_for_next_token ();
3677 return lex->yylex ();