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_ANGLE_CLOSE "\\>"
313 %token E_CHAR "\\C[haracter]"
315 %token E_EXCLAMATION "\\!"
316 %token E_BRACKET_OPEN "\\["
318 %token E_BRACKET_CLOSE "\\]"
319 %token E_ANGLE_OPEN "\\<"
325 If we give names, Bison complains.
327 %token FIGURE_CLOSE /* "\\>" */
328 %token FIGURE_OPEN /* "\\<" */
329 %token FIGURE_SPACE "_"
332 %token CHORDMODIFIERS
333 %token MULTI_MEASURE_REST
339 /* Artificial tokens, for more generic function syntax */
340 %token EXPECT_MARKUP "markup?"
341 %token EXPECT_PITCH "ly:pitch?"
342 %token EXPECT_DURATION "ly:duration?"
343 %token EXPECT_SCM "scheme?"
344 %token BACKUP "(backed-up?)"
345 %token REPARSE "(reparsed?)"
346 %token EXPECT_MARKUP_LIST "markup-list?"
347 %token EXPECT_OPTIONAL "optional?"
348 /* After the last argument. */
349 %token EXPECT_NO_MORE_ARGS;
351 /* An artificial token for parsing embedded Lilypond */
352 %token EMBEDDED_LILY "#{"
354 %token BOOK_IDENTIFIER
355 %token CHORDMODIFIER_PITCH
356 %token CHORD_MODIFIER
357 %token CHORD_REPETITION
358 %token CONTEXT_DEF_IDENTIFIER
359 %token CONTEXT_MOD_IDENTIFIER
361 %token PITCH_IDENTIFIER
362 %token DURATION_IDENTIFIER
363 %token EVENT_IDENTIFIER
364 %token EVENT_FUNCTION
367 %token MARKUP_FUNCTION
368 %token MARKUP_LIST_FUNCTION
369 %token MARKUP_IDENTIFIER
370 %token MARKUPLIST_IDENTIFIER
371 %token MUSIC_FUNCTION
372 %token MUSIC_IDENTIFIER
373 %token NOTENAME_PITCH
374 %token NUMBER_IDENTIFIER
375 %token OUTPUT_DEF_IDENTIFIER
380 %token SCM_IDENTIFIER
384 %token TONICNAME_PITCH
388 /* We don't assign precedence to / and *, because we might need varied
389 prec levels in different prods */
398 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
399 parser->lexer_->push_note_state (nn);
400 } embedded_lilypond {
401 parser->lexer_->pop_state ();
406 lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
407 | lilypond toplevel_expression {
409 | lilypond assignment {
412 parser->error_level_ = 1;
415 parser->error_level_ = 1;
422 parser->lexer_->add_scope (get_header (parser));
424 parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
427 SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
428 scm_call_2 (proc, parser->self_scm (), $1);
431 SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
432 scm_call_2 (proc, parser->self_scm (), $1);
435 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
436 scm_call_2 (proc, parser->self_scm (), $1);
439 SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
440 scm_call_2 (proc, parser->self_scm (), $1);
443 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
444 scm_call_2 (proc, parser->self_scm (), scm_list_1 ($1));
447 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
448 scm_call_2 (proc, parser->self_scm (), $1);
451 // Evaluate and ignore #xxx, as opposed to \xxx
452 parser->lexer_->eval_scm_token ($1);
454 | embedded_scm_active
456 SCM out = SCM_UNDEFINED;
457 if (Text_interface::is_markup ($1))
458 out = scm_list_1 ($1);
459 else if (Text_interface::is_markup_list ($1))
461 if (scm_is_pair (out))
463 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
464 scm_call_2 (proc, parser->self_scm (), out);
465 } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
466 parser->parser_error (@1, _("bad expression type"));
470 Output_def * od = unsmob_output_def ($1);
472 if (od->c_variable ("is-paper") == SCM_BOOL_T)
473 id = ly_symbol2scm ("$defaultpaper");
474 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
475 id = ly_symbol2scm ("$defaultmidi");
476 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
477 id = ly_symbol2scm ("$defaultlayout");
479 parser->lexer_->set_identifier (id, $1);
486 $$ = parser->lexer_->eval_scm_token ($1);
496 embedded_scm_bare_arg:
500 $$ = parser->lexer_->eval_scm_token ($1);
503 | context_modification
505 | context_def_spec_block
511 /* The generic version may end in music, or not */
519 embedded_scm_bare_arg
525 SCM_FUNCTION function_arglist {
526 $$ = MAKE_SYNTAX ("music-function", @$,
534 $$ = MAKE_SYNTAX ("void-music", @$);
537 | music_embedded music_embedded music_list {
538 $3 = scm_reverse_x ($3, SCM_EOL);
539 if (unsmob_music ($2))
540 $3 = scm_cons ($2, $3);
541 if (unsmob_music ($1))
542 $3 = scm_cons ($1, $3);
543 $$ = MAKE_SYNTAX ("sequential-music", @$, $3);
546 parser->error_level_ = 1;
547 $$ = SCM_UNSPECIFIED;
549 | INVALID embedded_lilypond {
550 parser->error_level_ = 1;
556 lilypond_header_body:
557 /* empty */ { $$ = SCM_UNSPECIFIED; }
558 | lilypond_header_body assignment {
561 | lilypond_header_body embedded_scm {
567 HEADER '{' lilypond_header_body '}' {
568 $$ = parser->lexer_->remove_scope ();
580 assignment_id '=' identifier_init {
581 parser->lexer_->set_identifier ($1, $3);
582 $$ = SCM_UNSPECIFIED;
584 | assignment_id property_path '=' identifier_init {
585 SCM path = scm_cons (scm_string_to_symbol ($1), $2);
586 parser->lexer_->set_identifier (path, $4);
587 $$ = SCM_UNSPECIFIED;
597 | context_def_spec_block
599 | post_event_nofinger post_events
601 $$ = scm_reverse_x ($2, SCM_EOL);
602 if (Music *m = unsmob_music ($1))
604 if (m->is_mus_type ("post-event-wrapper"))
606 (scm_list_2 (m->get_property ("elements"),
609 $$ = scm_cons ($1, $$);
612 && scm_is_null (scm_cdr ($$)))
616 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
617 m->set_property ("elements", $$);
618 $$ = m->unprotect ();
626 | context_modification
629 context_def_spec_block:
630 CONTEXT '{' context_def_spec_body '}'
641 context_mod_embedded:
644 if (unsmob_music ($1)) {
645 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
646 $1 = scm_call_2 (proc, parser->self_scm (), $1);
648 if (unsmob_context_mod ($1))
651 parser->parser_error (@1, _ ("not a context mod"));
657 context_def_spec_body:
659 $$ = Context_def::make_scm ();
660 unsmob_context_def ($$)->origin ()->set_spot (@$);
662 | CONTEXT_DEF_IDENTIFIER {
664 unsmob_context_def ($$)->origin ()->set_spot (@$);
666 | context_def_spec_body context_mod {
667 if (!SCM_UNBNDP ($2))
668 unsmob_context_def ($$)->add_context_mod ($2);
670 | context_def_spec_body context_modification {
671 Context_def *td = unsmob_context_def ($$);
672 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
673 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
674 td->add_context_mod (scm_car (m));
677 | context_def_spec_body context_mod_embedded {
678 Context_def *td = unsmob_context_def ($$);
679 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
680 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
681 td->add_context_mod (scm_car (m));
689 BOOK '{' book_body '}' {
692 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
697 * Use 'handlers' like for toplevel-* stuff?
698 * grok \layout and \midi? */
701 Book *book = new Book;
702 init_papers (parser);
703 book->origin ()->set_spot (@$);
704 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
705 book->paper_->unprotect ();
706 push_paper (parser, book->paper_);
707 book->header_ = get_header (parser);
708 $$ = book->unprotect ();
709 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
712 unsmob_book ($1)->origin ()->set_spot (@$);
713 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
715 | book_body paper_block {
716 unsmob_book ($1)->paper_ = unsmob_output_def ($2);
717 set_paper (parser, unsmob_output_def ($2));
719 | book_body bookpart_block {
720 SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
721 scm_call_2 (proc, $1, $2);
723 | book_body score_block {
724 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
725 scm_call_2 (proc, $1, $2);
727 | book_body composite_music {
728 SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
729 scm_call_3 (proc, parser->self_scm (), $1, $2);
731 | book_body full_markup {
732 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
733 scm_call_2 (proc, $1, scm_list_1 ($2));
735 | book_body full_markup_list {
736 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
737 scm_call_2 (proc, $1, $2);
739 | book_body SCM_TOKEN {
740 // Evaluate and ignore #xxx, as opposed to \xxx
741 parser->lexer_->eval_scm_token ($2);
743 | book_body embedded_scm_active
745 SCM out = SCM_UNDEFINED;
746 if (Text_interface::is_markup ($2))
747 out = scm_list_1 ($2);
748 else if (Text_interface::is_markup_list ($2))
750 if (scm_is_pair (out))
752 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
753 scm_call_2 (proc, $1, out);
754 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
755 parser->parser_error (@2, _("bad expression type"));
759 parser->lexer_->add_scope (unsmob_book ($1)->header_);
762 Book *book = unsmob_book ($1);
764 book->scores_ = SCM_EOL;
765 book->bookparts_ = SCM_EOL;
770 BOOKPART '{' bookpart_body '}' {
772 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
778 Book *book = new Book;
779 book->origin ()->set_spot (@$);
780 $$ = book->unprotect ();
781 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
784 unsmob_book ($1)->origin ()->set_spot (@$);
785 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
787 | bookpart_body paper_block {
788 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
790 | bookpart_body score_block {
791 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
792 scm_call_2 (proc, $1, $2);
794 | bookpart_body composite_music {
795 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
796 scm_call_3 (proc, parser->self_scm (), $1, $2);
798 | bookpart_body full_markup {
799 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
800 scm_call_2 (proc, $1, scm_list_1 ($2));
802 | bookpart_body full_markup_list {
803 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
804 scm_call_2 (proc, $1, $2);
806 | bookpart_body SCM_TOKEN {
807 // Evaluate and ignore #xxx, as opposed to \xxx
808 parser->lexer_->eval_scm_token ($2);
810 | bookpart_body embedded_scm_active
812 SCM out = SCM_UNDEFINED;
813 if (Text_interface::is_markup ($2))
814 out = scm_list_1 ($2);
815 else if (Text_interface::is_markup_list ($2))
817 if (scm_is_pair (out))
819 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
820 scm_call_2 (proc, $1, out);
821 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
822 parser->parser_error (@2, _("bad expression type"));
826 Book *book = unsmob_book ($1);
827 if (!ly_is_module (book->header_))
828 book->header_ = ly_make_module (false);
829 parser->lexer_->add_scope (book->header_);
831 | bookpart_body error {
832 Book *book = unsmob_book ($1);
834 book->scores_ = SCM_EOL;
839 SCORE '{' score_body '}' {
846 SCM scorify = ly_lily_module_constant ("scorify-music");
847 $$ = scm_call_2 (scorify, $1, parser->self_scm ());
849 unsmob_score ($$)->origin ()->set_spot (@$);
851 | embedded_scm_active {
853 if (unsmob_score ($1))
854 score = new Score (*unsmob_score ($1));
857 parser->parser_error (@1, _("score expected"));
859 unsmob_score ($$)->origin ()->set_spot (@$);
860 $$ = score->unprotect ();
864 Score *score = unsmob_score ($1);
865 if (!ly_is_module (score->get_header ()))
866 score->set_header (ly_make_module (false));
867 parser->lexer_->add_scope (score->get_header ());
869 | score_body output_def {
870 Output_def *od = unsmob_output_def ($2);
871 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
873 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
878 unsmob_score ($1)->add_output_def (od);
882 unsmob_score ($$)->error_found_ = true;
893 Output_def *od = unsmob_output_def ($1);
895 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
897 parser->parser_error (@1, _ ("need \\paper for paper block"));
898 $$ = get_paper (parser)->unprotect ();
905 output_def_body '}' {
908 parser->lexer_->remove_scope ();
909 parser->lexer_->pop_state ();
915 Output_def *p = get_paper (parser);
916 p->input_origin_ = @$;
917 parser->lexer_->add_scope (p->scope_);
918 $$ = p->unprotect ();
921 Output_def *p = get_midi (parser);
922 $$ = p->unprotect ();
923 parser->lexer_->add_scope (p->scope_);
926 Output_def *p = get_layout (parser);
928 parser->lexer_->add_scope (p->scope_);
929 $$ = p->unprotect ();
933 output_def_head_with_mode_switch:
935 parser->lexer_->push_initial_state ();
940 // We need this weird nonterminal because both music as well as a
941 // context definition can start with \context and the difference is
942 // only apparent after looking at the next token. If it is '{', there
943 // is still time to escape from notes mode.
945 music_or_context_def:
948 parser->lexer_->pop_state ();
952 parser->lexer_->pop_state ();
953 } '{' context_def_spec_body '}'
960 output_def_head_with_mode_switch '{' {
962 unsmob_output_def ($$)->input_origin_.set_spot (@$);
964 | output_def_head_with_mode_switch '{' OUTPUT_DEF_IDENTIFIER {
965 Output_def *o = unsmob_output_def ($3);
966 o->input_origin_.set_spot (@$);
968 parser->lexer_->remove_scope ();
969 parser->lexer_->add_scope (o->scope_);
971 | output_def_body assignment {
974 | output_def_body embedded_scm {
979 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
980 parser->lexer_->push_note_state (nn);
981 } music_or_context_def
983 if (unsmob_context_def ($3))
984 assign_context_def (unsmob_output_def ($1), $3);
987 SCM proc = parser->lexer_->lookup_identifier
988 ("output-def-music-handler");
989 scm_call_3 (proc, parser->self_scm (),
993 | output_def_body error {
999 TEMPO steno_duration '=' tempo_range {
1000 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
1002 | TEMPO scalar_closed steno_duration '=' tempo_range {
1003 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
1006 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1011 The representation of a list is reversed to have efficient append. */
1017 | music_list music_embedded {
1018 if (unsmob_music ($2))
1019 $$ = scm_cons ($2, $1);
1021 | music_list error {
1022 Music *m = MY_MAKE_MUSIC("Music", @$);
1024 m->set_property ("error-found", SCM_BOOL_T);
1025 $$ = scm_cons (m->self_scm (), $1);
1026 m->unprotect (); /* UGH */
1033 $$ = scm_reverse_x ($2, SCM_EOL);
1038 | lyric_element_music
1044 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1045 parser->parser_error (@1, _ ("unexpected post-event"));
1046 $$ = SCM_UNSPECIFIED;
1049 | music_embedded_backup
1053 | music_embedded_backup BACKUP lyric_element_music
1059 music_embedded_backup:
1062 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1064 else if (Music *m = unsmob_music ($1)) {
1065 if (m->is_mus_type ("post-event")) {
1066 parser->parser_error
1067 (@1, _ ("unexpected post-event"));
1068 $$ = SCM_UNSPECIFIED;
1071 } else if (parser->lexer_->is_lyric_state ()
1072 && Text_interface::is_markup ($1))
1073 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1075 @$.warning (_ ("Ignoring non-music expression"));
1084 $$ = make_music_from_simple (parser, @1, $1);
1085 if (!unsmob_music ($$))
1086 parser->parser_error (@1, _ ("music expected"));
1088 | composite_music %prec COMPOSITE
1093 | composite_music %prec COMPOSITE
1097 REPEAT simple_string unsigned_number music
1099 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1101 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1103 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1108 SEQUENTIAL braced_music_list {
1109 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1111 | braced_music_list {
1112 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1117 SIMULTANEOUS braced_music_list {
1118 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1120 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1121 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1127 | music_property_def
1131 context_modification:
1132 WITH { parser->lexer_->push_initial_state (); } '{' context_mod_list '}'
1134 parser->lexer_->pop_state ();
1137 | WITH CONTEXT_MOD_IDENTIFIER
1141 | CONTEXT_MOD_IDENTIFIER
1145 | WITH embedded_scm_closed
1147 if (unsmob_context_mod ($2))
1150 parser->parser_error (@2, _ ("not a context mod"));
1151 $$ = Context_mod ().smobbed_copy ();
1156 optional_context_mod:
1160 | context_modification
1168 $$ = Context_mod ().smobbed_copy ();
1170 | context_mod_list context_mod {
1171 if (!SCM_UNBNDP ($2))
1172 unsmob_context_mod ($1)->add_context_mod ($2);
1174 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1175 Context_mod *md = unsmob_context_mod ($2);
1177 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1179 | context_mod_list context_mod_embedded {
1180 unsmob_context_mod ($1)->add_context_mods
1181 (unsmob_context_mod ($2)->get_mods ());
1190 /* Music that can be parsed without lookahead */
1193 | complex_music_prefix closed_music
1195 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1197 | music_function_call_closed
1203 | grouped_music_list
1207 simultaneous_music { $$ = $1; }
1208 | sequential_music { $$ = $1; }
1211 /* An argument list. If a function \foo expects scm scm pitch, then the lexer expands \foo into the token sequence:
1212 MUSIC_FUNCTION EXPECT_PITCH EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
1213 and this rule returns the reversed list of arguments. */
1215 /* Function argument lists come in a number of flavors. Whenever
1216 * LilyPond has to pick between different flavors, the decision is
1217 * either made because of tokens it has already seen, or it is
1218 * postponed until tokens suitable for making the decision come up.
1219 * For postponing decisions, it may be necessary that the competing
1220 * rules are written in a way making them compatible until a decision
1221 * can be made. Sometimes this is done by putting common traits into
1222 * a separate "common" rule set.
1224 * function_arglist: a full argument list. Optional arguments at the
1225 * end of the list can only be skipped by writing \default in their
1228 * function_arglist_backup: an argument list ending in an optional
1229 * argument that may be skipped depending on its predicate.
1231 * function_arglist_skip: an argument list _not_ ending in an optional
1232 * argument that is actually taken.
1234 * function_arglist_nonbackup: an argument list ending in an optional
1235 * argument that may not be skipped because it is in end position and
1236 * has not been shortcircuited with \default.
1238 * function_arglist* / function_arglist_closed*: The closed variants
1239 * don't end in simple music expressions that might still accept
1240 * things like a duration or a postevent.
1243 function_arglist_skip:
1244 function_arglist_common
1245 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip
1247 $$ = scm_cons ($1, $3);
1248 } %prec FUNCTION_ARGLIST
1249 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip
1251 $$ = scm_cons ($1, $3);
1252 } %prec FUNCTION_ARGLIST
1253 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip
1255 $$ = scm_cons ($1, $3);
1256 } %prec FUNCTION_ARGLIST
1260 function_arglist_nonbackup_common:
1261 EXPECT_OPTIONAL EXPECT_PITCH function_arglist pitch_also_in_chords {
1262 $$ = scm_cons ($4, $3);
1264 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed duration_length {
1265 $$ = scm_cons ($4, $3);
1267 | EXPECT_OPTIONAL EXPECT_SCM function_arglist FRACTION
1269 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1271 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed post_event_nofinger
1273 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1275 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' UNSIGNED
1277 SCM n = scm_difference ($5, SCM_UNDEFINED);
1278 if (scm_is_true (scm_call_1 ($2, n)))
1279 $$ = scm_cons (n, $3);
1281 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1282 t->set_property ("digit", $5);
1283 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1288 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' REAL
1290 $$ = check_scheme_arg (parser, @4,
1291 scm_difference ($5, SCM_UNDEFINED),
1294 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed '-' NUMBER_IDENTIFIER
1296 $$ = check_scheme_arg (parser, @4,
1297 scm_difference ($5, SCM_UNDEFINED),
1302 function_arglist_closed_nonbackup:
1303 function_arglist_nonbackup_common
1304 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg_closed
1306 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1308 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number_closed
1310 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1312 | EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1314 $$ = check_scheme_arg (parser, @4,
1315 try_string_variants ($2, $4),
1318 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1320 $$ = check_scheme_arg (parser, @4,
1321 try_string_variants ($2, $4),
1324 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1326 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1332 | SYMBOL_LIST '.' symbol_list_rev
1334 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1340 | symbol_list_rev '.' symbol_list_part
1342 $$ = scm_append_x (scm_list_2 ($3, $1));
1346 // symbol_list_part delivers elements in reverse copy.
1351 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1352 $$ = try_string_variants (sym_l_p, $1);
1353 if (SCM_UNBNDP ($$)) {
1354 parser->parser_error (@1, _("not a symbol"));
1357 $$ = scm_reverse ($$);
1362 symbol_list_element:
1368 function_arglist_nonbackup:
1369 function_arglist_nonbackup_common
1370 | EXPECT_OPTIONAL EXPECT_SCM function_arglist embedded_scm_arg
1372 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1374 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed bare_number
1376 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1378 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1380 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1382 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1384 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1386 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1388 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1392 function_arglist_nonbackup_reparse:
1393 EXPECT_OPTIONAL EXPECT_SCM function_arglist SCM_IDENTIFIER
1396 SCM res = try_string_variants ($2, $4);
1397 if (!SCM_UNBNDP (res))
1398 if (scm_is_pair (res))
1399 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1401 MYREPARSE (@4, $2, SCM_ARG, res);
1402 else if (scm_is_true
1404 ($2, make_music_from_simple
1406 MYREPARSE (@4, $2, STRING, $4);
1408 MYREPARSE (@4, $2, SCM_ARG, $4);
1410 | EXPECT_OPTIONAL EXPECT_SCM function_arglist STRING
1413 SCM res = try_string_variants ($2, $4);
1414 if (!SCM_UNBNDP (res))
1415 if (scm_is_pair (res))
1416 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1418 MYREPARSE (@4, $2, SCM_ARG, res);
1419 else if (scm_is_true
1421 ($2, make_music_from_simple
1423 MYREPARSE (@4, $2, STRING, $4);
1425 MYREPARSE (@4, $2, SCM_ARG, $4);
1427 | EXPECT_OPTIONAL EXPECT_SCM function_arglist full_markup
1430 if (scm_is_true (scm_call_1 ($2, $4)))
1431 MYREPARSE (@4, $2, SCM_ARG, $4);
1432 else if (scm_is_true
1434 ($2, make_music_from_simple
1436 MYREPARSE (@4, $2, STRING, $4);
1438 MYREPARSE (@4, $2, SCM_ARG, $4);
1442 function_arglist_keep:
1443 function_arglist_common
1444 | function_arglist_backup
1447 function_arglist_closed_keep:
1448 function_arglist_closed_common
1449 | function_arglist_backup
1452 function_arglist_backup:
1453 EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_arg_closed
1455 if (scm_is_true (scm_call_1 ($2, $4)))
1457 $$ = scm_cons ($4, $3);
1459 $$ = scm_cons (loc_on_music (@3, $1), $3);
1460 MYBACKUP (SCM_ARG, $4, @4);
1463 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep post_event_nofinger
1465 if (scm_is_true (scm_call_1 ($2, $4)))
1467 $$ = scm_cons ($4, $3);
1469 $$ = scm_cons (loc_on_music (@3, $1), $3);
1470 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1473 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep full_markup
1475 if (scm_is_true (scm_call_1 ($2, $4)))
1476 $$ = scm_cons ($4, $3);
1478 $$ = scm_cons (loc_on_music (@3, $1), $3);
1479 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1482 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep UNSIGNED
1484 if (scm_is_true (scm_call_1 ($2, $4)))
1487 MYREPARSE (@4, $2, UNSIGNED, $4);
1489 $$ = scm_cons (loc_on_music (@3, $1), $3);
1490 MYBACKUP (UNSIGNED, $4, @4);
1493 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep REAL
1495 if (scm_is_true (scm_call_1 ($2, $4)))
1498 MYREPARSE (@4, $2, REAL, $4);
1500 $$ = scm_cons (loc_on_music (@3, $1), $3);
1501 MYBACKUP (REAL, $4, @4);
1504 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep NUMBER_IDENTIFIER
1506 if (scm_is_true (scm_call_1 ($2, $4)))
1508 $$ = scm_cons ($4, $3);
1510 $$ = scm_cons (loc_on_music (@3, $1), $3);
1511 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1514 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep FRACTION
1516 if (scm_is_true (scm_call_1 ($2, $4)))
1518 $$ = scm_cons ($4, $3);
1520 $$ = scm_cons (loc_on_music (@3, $1), $3);
1521 MYBACKUP (FRACTION, $4, @4);
1524 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' UNSIGNED
1526 SCM n = scm_difference ($5, SCM_UNDEFINED);
1527 if (scm_is_true (scm_call_1 ($2, n))) {
1529 MYREPARSE (@5, $2, REAL, n);
1531 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1532 t->set_property ("digit", $5);
1533 $$ = t->unprotect ();
1534 if (scm_is_true (scm_call_1 ($2, $$)))
1535 $$ = scm_cons ($$, $3);
1537 $$ = scm_cons (loc_on_music (@3, $1), $3);
1538 MYBACKUP (UNSIGNED, $5, @5);
1539 parser->lexer_->push_extra_token ('-');
1544 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' REAL
1546 SCM n = scm_difference ($5, SCM_UNDEFINED);
1547 if (scm_is_true (scm_call_1 ($2, n))) {
1548 MYREPARSE (@5, $2, REAL, n);
1551 $$ = scm_cons (loc_on_music (@3, $1), $3);
1552 MYBACKUP (REAL, n, @5);
1555 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_keep '-' NUMBER_IDENTIFIER
1557 SCM n = scm_difference ($5, SCM_UNDEFINED);
1558 if (scm_is_true (scm_call_1 ($2, n))) {
1559 $$ = scm_cons (n, $3);
1561 $$ = scm_cons (loc_on_music (@3, $1), $3);
1562 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1565 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords
1567 $$ = scm_cons ($4, $3);
1569 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length
1571 $$ = scm_cons ($4, $3);
1573 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep SCM_IDENTIFIER
1575 SCM res = try_string_variants ($2, $4);
1576 if (!SCM_UNBNDP (res))
1577 if (scm_is_pair (res)) {
1579 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1582 $$ = scm_cons (res, $3);
1584 $$ = scm_cons (loc_on_music (@3, $1), $3);
1585 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1588 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep STRING
1590 SCM res = try_string_variants ($2, $4);
1591 if (!SCM_UNBNDP (res))
1592 if (scm_is_pair (res)) {
1594 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1597 $$ = scm_cons (res, $3);
1599 $$ = scm_cons (loc_on_music (@3, $1), $3);
1600 MYBACKUP (STRING, $4, @4);
1603 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup BACKUP
1605 $$ = scm_cons ($1, $3);
1606 MYBACKUP(0, SCM_UNDEFINED, @3);
1608 | function_arglist_backup REPARSE bare_number
1610 $$ = check_scheme_arg (parser, @3,
1613 | function_arglist_backup REPARSE symbol_list_arg
1615 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1620 function_arglist_common
1621 | function_arglist_nonbackup
1624 function_arglist_common:
1625 function_arglist_bare
1626 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1628 $$ = check_scheme_arg (parser, @3,
1631 | EXPECT_SCM function_arglist_closed_optional bare_number
1633 $$ = check_scheme_arg (parser, @3,
1636 | EXPECT_SCM function_arglist_optional FRACTION
1638 $$ = check_scheme_arg (parser, @3,
1641 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1643 $$ = check_scheme_arg (parser, @3,
1646 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1648 SCM n = scm_difference ($4, SCM_UNDEFINED);
1649 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1651 | function_arglist_common_reparse REPARSE SCM_ARG
1653 $$ = check_scheme_arg (parser, @3,
1656 | function_arglist_common_reparse REPARSE lyric_element_music
1658 $$ = check_scheme_arg (parser, @3,
1661 | function_arglist_common_reparse REPARSE bare_number
1663 $$ = check_scheme_arg (parser, @3,
1666 | function_arglist_common_reparse REPARSE symbol_list_arg
1668 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1672 function_arglist_common_reparse:
1673 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1676 SCM res = try_string_variants ($1, $3);
1677 if (!SCM_UNBNDP (res))
1678 if (scm_is_pair (res))
1679 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1681 MYREPARSE (@3, $1, SCM_ARG, res);
1682 else if (scm_is_true
1684 ($1, make_music_from_simple (parser, @3, $3))))
1685 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1687 // This is going to flag a syntax error, we
1688 // know the predicate to be false.
1689 MYREPARSE (@3, $1, SCM_ARG, $3);
1691 | EXPECT_SCM function_arglist_optional STRING
1694 SCM res = try_string_variants ($1, $3);
1695 if (!SCM_UNBNDP (res))
1696 if (scm_is_pair (res))
1697 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1699 MYREPARSE (@3, $1, SCM_ARG, res);
1700 else if (scm_is_true
1702 ($1, make_music_from_simple (parser, @3, $3))))
1703 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1705 // This is going to flag a syntax error, we
1706 // know the predicate to be false.
1707 MYREPARSE (@3, $1, SCM_ARG, $3);
1709 | EXPECT_SCM function_arglist_optional full_markup
1712 if (scm_is_true (scm_call_1 ($1, $3)))
1713 MYREPARSE (@3, $1, SCM_ARG, $3);
1714 else if (scm_is_true
1716 ($1, make_music_from_simple (parser, @3, $3))))
1717 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1719 // This is going to flag a syntax error, we
1720 // know the predicate to be false.
1721 MYREPARSE (@3, $1, SCM_ARG, $3);
1723 | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED
1726 SCM n = scm_difference ($4, SCM_UNDEFINED);
1727 if (scm_is_true (scm_call_1 ($1, n)))
1728 MYREPARSE (@4, $1, REAL, n);
1730 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
1731 t->set_property ("digit", $4);
1732 SCM m = t->unprotect ();
1733 if (scm_is_true (scm_call_1 ($1, m)))
1734 MYREPARSE (@4, $1, SCM_ARG, m);
1736 MYREPARSE (@4, $1, SCM_ARG, $4);
1740 | EXPECT_SCM function_arglist_closed_optional '-' REAL
1743 SCM n = scm_difference ($4, SCM_UNDEFINED);
1744 MYREPARSE (@4, $1, REAL, n);
1748 function_arglist_closed:
1749 function_arglist_closed_common
1750 | function_arglist_closed_nonbackup
1753 function_arglist_closed_common:
1754 function_arglist_bare
1755 | EXPECT_SCM function_arglist_optional embedded_scm_arg_closed
1757 $$ = check_scheme_arg (parser, @3,
1760 | EXPECT_SCM function_arglist_closed_optional bare_number
1762 $$ = check_scheme_arg (parser, @3,
1765 | EXPECT_SCM function_arglist_closed_optional '-' NUMBER_IDENTIFIER
1767 $$ = check_scheme_arg (parser, @3,
1768 scm_difference ($4, SCM_UNDEFINED),
1771 | EXPECT_SCM function_arglist_closed_optional post_event_nofinger
1773 $$ = check_scheme_arg (parser, @3,
1776 | EXPECT_SCM function_arglist_optional FRACTION
1778 $$ = check_scheme_arg (parser, @3,
1781 | function_arglist_common_reparse REPARSE SCM_ARG
1783 $$ = check_scheme_arg (parser, @3,
1786 | function_arglist_common_reparse REPARSE bare_number
1788 $$ = check_scheme_arg (parser, @3,
1791 | function_arglist_common_reparse REPARSE symbol_list_arg
1793 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1797 function_arglist_optional:
1798 function_arglist_keep %prec FUNCTION_ARGLIST
1799 | function_arglist_backup BACKUP
1800 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
1802 $$ = scm_cons ($1, $3);
1804 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
1806 $$ = scm_cons ($1, $3);
1810 function_arglist_closed_optional:
1811 function_arglist_closed_keep %prec FUNCTION_ARGLIST
1812 | function_arglist_backup BACKUP
1813 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
1815 $$ = scm_cons ($1, $3);
1817 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
1819 $$ = scm_cons ($1, $3);
1823 embedded_scm_closed:
1825 | scm_function_call_closed
1828 embedded_scm_arg_closed:
1829 embedded_scm_bare_arg
1830 | scm_function_call_closed
1834 scm_function_call_closed:
1835 SCM_FUNCTION function_arglist_closed {
1836 $$ = MAKE_SYNTAX ("music-function", @$,
1838 } %prec FUNCTION_ARGLIST
1841 function_arglist_bare:
1842 EXPECT_NO_MORE_ARGS {
1845 | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
1846 $$ = scm_cons ($3, $2);
1848 | EXPECT_DURATION function_arglist_closed_optional duration_length {
1849 $$ = scm_cons ($3, $2);
1851 | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_skip DEFAULT {
1852 $$ = scm_cons ($1, $3);
1854 | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_skip DEFAULT {
1855 $$ = scm_cons ($1, $3);
1857 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip DEFAULT {
1858 $$ = scm_cons ($1, $3);
1862 music_function_call:
1863 MUSIC_FUNCTION function_arglist {
1864 $$ = MAKE_SYNTAX ("music-function", @$,
1871 /**/ { $$ = SCM_EOL; }
1872 | '=' simple_string {
1879 | repeated_music { $$ = $1; }
1880 | re_rhythmed_music { $$ = $1; }
1881 | complex_music_prefix music
1883 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
1887 complex_music_prefix:
1888 CONTEXT simple_string optional_id optional_context_mod {
1889 Context_mod *ctxmod = unsmob_context_mod ($4);
1892 mods = ctxmod->get_mods ();
1893 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
1895 | NEWCONTEXT simple_string optional_id optional_context_mod {
1896 Context_mod *ctxmod = unsmob_context_mod ($4);
1899 mods = ctxmod->get_mods ();
1900 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
1905 mode_changing_head grouped_music_list {
1906 if ($1 == ly_symbol2scm ("chords"))
1908 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
1914 parser->lexer_->pop_state ();
1916 | mode_changing_head_with_context optional_context_mod grouped_music_list {
1917 Context_mod *ctxmod = unsmob_context_mod ($2);
1920 mods = ctxmod->get_mods ();
1921 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
1922 if ($1 == ly_symbol2scm ("ChordNames"))
1924 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
1926 parser->lexer_->pop_state ();
1932 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1933 parser->lexer_->push_note_state (nn);
1935 $$ = ly_symbol2scm ("notes");
1939 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1940 parser->lexer_->push_note_state (nn);
1942 $$ = ly_symbol2scm ("drums");
1945 parser->lexer_->push_figuredbass_state ();
1947 $$ = ly_symbol2scm ("figures");
1950 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1951 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1952 nn = parser->lexer_->lookup_identifier ("pitchnames");
1953 parser->lexer_->push_chord_state (nn);
1954 $$ = ly_symbol2scm ("chords");
1958 { parser->lexer_->push_lyric_state ();
1959 $$ = ly_symbol2scm ("lyrics");
1963 mode_changing_head_with_context:
1965 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
1966 parser->lexer_->push_note_state (nn);
1968 $$ = ly_symbol2scm ("DrumStaff");
1971 parser->lexer_->push_figuredbass_state ();
1973 $$ = ly_symbol2scm ("FiguredBass");
1976 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
1977 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
1978 nn = parser->lexer_->lookup_identifier ("pitchnames");
1979 parser->lexer_->push_chord_state (nn);
1980 $$ = ly_symbol2scm ("ChordNames");
1983 { parser->lexer_->push_lyric_state ();
1984 $$ = ly_symbol2scm ("Lyrics");
1989 ADDLYRICS { parser->lexer_->push_lyric_state (); }
1992 /* Can also use music at the expensive of two S/Rs similar to
1993 \repeat \alternative */
1994 parser->lexer_->pop_state ();
1996 $$ = scm_cons ($3, SCM_EOL);
1998 | new_lyrics ADDLYRICS {
1999 parser->lexer_->push_lyric_state ();
2001 parser->lexer_->pop_state ();
2002 $$ = scm_cons ($4, $1);
2007 composite_music new_lyrics {
2008 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2010 | LYRICSTO simple_string {
2011 parser->lexer_->push_lyric_state ();
2013 parser->lexer_->pop_state ();
2014 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $4);
2019 CHANGE STRING '=' STRING {
2020 $$ = MAKE_SYNTAX ("context-change", @$, scm_string_to_symbol ($2), $4);
2027 $$ = scm_reverse_x ($1, SCM_EOL);
2029 | symbol_list_rev property_path {
2030 $$ = scm_reverse_x ($1, $2);
2036 $$ = scm_list_3 (ly_symbol2scm ("assign"),
2037 scm_string_to_symbol ($1), $3);
2039 | UNSET simple_string {
2040 $$ = scm_list_2 (ly_symbol2scm ("unset"),
2041 scm_string_to_symbol ($2));
2043 | OVERRIDE property_path '=' scalar {
2044 if (scm_ilength ($2) < 2) {
2045 parser->parser_error (@2, _("bad grob property path"));
2048 $$ = 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));
2291 | string '+' string {
2292 if (!scm_is_string ($1)) {
2293 parser->parser_error (@1, (_ ("simple string expected")));
2294 $1 = scm_string (SCM_EOL);
2296 if (!scm_is_string ($3)) {
2297 parser->parser_error (@3, (_ ("simple string expected")));
2298 $3 = scm_string (SCM_EOL);
2300 $$ = scm_string_append (scm_list_2 ($1, $3));
2304 simple_string: STRING {
2309 if (scm_is_string ($1)) {
2312 parser->parser_error (@1, (_ ("simple string expected")));
2313 $$ = scm_string (SCM_EOL);
2327 embedded_scm_arg_closed
2336 simple_element post_events {
2337 // Let the rhythmic music iterator sort this mess out.
2338 if (scm_is_pair ($2)) {
2339 $$ = make_music_from_simple (parser, @1, $1);
2340 if (unsmob_music ($$))
2341 unsmob_music ($$)->set_property ("articulations",
2342 scm_reverse_x ($2, SCM_EOL));
2344 parser->parser_error (@1, _("music expected"));
2347 | simple_chord_elements post_events {
2348 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
2351 /* why is this giving wrong start location? -ns
2353 i.set_location (@1, @2);
2354 $$ = MAKE_SYNTAX ("event-chord", i, elts);
2356 | CHORD_REPETITION optional_notemode_duration post_events {
2358 i.set_location (@1, @3);
2359 $$ = MAKE_SYNTAX ("repetition-chord", i,
2360 $2, scm_reverse_x ($3, SCM_EOL));
2362 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2364 i.set_location (@1, @3);
2365 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2366 scm_reverse_x ($3, SCM_EOL));
2369 | note_chord_element
2374 chord_body optional_notemode_duration post_events
2376 Music *m = unsmob_music ($1);
2377 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2378 SCM es = m->get_property ("elements");
2379 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2381 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2382 unsmob_music (scm_car (s))->set_property ("duration", dur);
2383 es = ly_append2 (es, postevs);
2385 m-> set_property ("elements", es);
2387 $$ = m->self_scm ();
2392 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2394 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2398 chord_body_elements:
2399 /* empty */ { $$ = SCM_EOL; }
2400 | chord_body_elements chord_body_element {
2401 if (!SCM_UNBNDP ($2))
2402 $$ = scm_cons ($2, $1);
2407 pitch exclamations questions octave_check post_events
2409 bool q = to_boolean ($3);
2410 bool ex = to_boolean ($2);
2414 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2415 n->set_property ("pitch", $1);
2417 n->set_property ("cautionary", SCM_BOOL_T);
2419 n->set_property ("force-accidental", SCM_BOOL_T);
2421 if (scm_is_pair (post)) {
2422 SCM arts = scm_reverse_x (post, SCM_EOL);
2423 n->set_property ("articulations", arts);
2425 if (scm_is_number (check))
2427 int q = scm_to_int (check);
2428 n->set_property ("absolute-octave", scm_from_int (q-1));
2431 $$ = n->unprotect ();
2433 | DRUM_PITCH post_events {
2434 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2435 n->set_property ("drum-type", $1);
2437 if (scm_is_pair ($2)) {
2438 SCM arts = scm_reverse_x ($2, SCM_EOL);
2439 n->set_property ("articulations", arts);
2441 $$ = n->unprotect ();
2443 | music_function_chord_body
2445 Music *m = unsmob_music ($1);
2447 while (m && m->is_mus_type ("music-wrapper-music")) {
2448 $$ = m->get_property ("element");
2449 m = unsmob_music ($$);
2452 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2453 parser->parser_error (@$, _ ("not a rhythmic event"));
2459 music_function_chord_body:
2464 // Event functions may only take closed arglists, otherwise it would
2465 // not be clear whether a following postevent should be associated
2466 // with the last argument of the event function or with the expression
2467 // for which the function call acts itself as event.
2469 music_function_call_closed:
2470 MUSIC_FUNCTION function_arglist_closed {
2471 $$ = MAKE_SYNTAX ("music-function", @$,
2476 event_function_event:
2477 EVENT_FUNCTION function_arglist_closed {
2478 $$ = MAKE_SYNTAX ("music-function", @$,
2488 Music *m = MY_MAKE_MUSIC ("LigatureEvent", @$);
2489 m->set_property ("span-direction", scm_from_int (START));
2490 $$ = m->unprotect();
2493 Music *m = MY_MAKE_MUSIC ("LigatureEvent", @$);
2494 m->set_property ("span-direction", scm_from_int (STOP));
2495 $$ = m->unprotect ();
2498 $$ = MAKE_SYNTAX ("voice-separator", @$);
2501 SCM pipe = parser->lexer_->lookup_identifier ("pipeSymbol");
2503 Music *m = unsmob_music (pipe);
2508 $$ = m->unprotect ();
2511 $$ = MAKE_SYNTAX ("bar-check", @$);
2518 $$ = MY_MAKE_MUSIC ("PesOrFlexaEvent", @$)->unprotect ();
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 $$ = s->unprotect ();
2617 direction_less_char:
2619 $$ = ly_symbol2scm ("bracketOpenSymbol");
2622 $$ = ly_symbol2scm ("bracketCloseSymbol");
2625 $$ = ly_symbol2scm ("tildeSymbol");
2628 $$ = ly_symbol2scm ("parenthesisOpenSymbol");
2631 $$ = ly_symbol2scm ("parenthesisCloseSymbol");
2634 $$ = ly_symbol2scm ("escapedExclamationSymbol");
2637 $$ = ly_symbol2scm ("escapedParenthesisOpenSymbol");
2640 $$ = ly_symbol2scm ("escapedParenthesisCloseSymbol");
2643 $$ = ly_symbol2scm ("escapedBiggerSymbol");
2646 $$ = ly_symbol2scm ("escapedSmallerSymbol");
2650 direction_less_event:
2651 direction_less_char {
2652 SCM predefd = parser->lexer_->lookup_identifier_symbol ($1);
2654 if (unsmob_music (predefd))
2656 m = unsmob_music (predefd)->clone ();
2661 m = MY_MAKE_MUSIC ("Music", @$);
2663 $$ = m->unprotect ();
2665 | string_number_event
2666 | EVENT_IDENTIFIER {
2670 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2671 a->set_property ("tremolo-type", $1);
2672 $$ = a->unprotect ();
2674 | event_function_event
2677 direction_reqd_event:
2681 | script_abbreviation {
2682 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2683 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2684 if (scm_is_string (s))
2685 a->set_property ("articulation-type", s);
2686 else parser->parser_error (@1, _ ("expecting string as script definition"));
2687 $$ = a->unprotect ();
2692 /**/ { $$ = SCM_EOL; }
2693 | '=' quotes { $$ = $2; }
2707 $$ = scm_from_int (1);
2710 $$ = scm_oneplus ($1);
2716 $$ = scm_from_int (-1);
2719 $$ = scm_oneminus ($1);
2724 NOTENAME_PITCH quotes {
2725 if (!scm_is_eq (SCM_INUM0, $2))
2727 Pitch p = *unsmob_pitch ($1);
2728 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2729 $$ = p.smobbed_copy ();
2739 TONICNAME_PITCH quotes {
2740 if (!scm_is_eq (SCM_INUM0, $2))
2742 Pitch p = *unsmob_pitch ($1);
2743 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2744 $$ = p.smobbed_copy ();
2754 pitch_also_in_chords:
2761 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2762 t->set_property ("text", $1);
2763 $$ = t->unprotect ();
2766 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2767 t->set_property ("text",
2768 make_simple_markup ($1));
2769 $$ = t->unprotect ();
2771 | embedded_scm_closed
2773 Music *m = unsmob_music ($1);
2774 if (m && m->is_mus_type ("post-event"))
2776 else if (Text_interface::is_markup ($1)) {
2777 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2778 t->set_property ("text", $1);
2779 $$ = t->unprotect ();
2781 parser->parser_error (@1, _ ("not an articulation"));
2787 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2788 t->set_property ("digit", $1);
2789 $$ = t->unprotect ();
2793 script_abbreviation:
2795 $$ = scm_from_locale_string ("Hat");
2798 $$ = scm_from_locale_string ("Plus");
2801 $$ = scm_from_locale_string ("Dash");
2804 $$ = scm_from_locale_string ("Bang");
2807 $$ = scm_from_locale_string ("Larger");
2810 $$ = scm_from_locale_string ("Dot");
2813 $$ = scm_from_locale_string ("Underscore");
2818 '_' { $$ = scm_from_int (DOWN); }
2819 | '^' { $$ = scm_from_int (UP); }
2820 | '-' { $$ = SCM_UNDEFINED; }
2824 multiplied_duration {
2829 maybe_notemode_duration:
2833 | multiplied_duration {
2835 parser->default_duration_ = *unsmob_duration ($$);
2840 optional_notemode_duration:
2841 maybe_notemode_duration
2843 if (SCM_UNBNDP ($$))
2844 $$ = parser->default_duration_.smobbed_copy ();
2851 int n = scm_to_int ($1);
2852 if (!is_duration (n))
2853 parser->parser_error (@1, _f ("not a duration: %d", n));
2857 $$ = Duration (len, scm_to_int ($2)).smobbed_copy ();
2859 | DURATION_IDENTIFIER dots {
2860 Duration *d = unsmob_duration ($1);
2861 Duration k (d->duration_log (),
2862 d->dot_count () + scm_to_int ($2));
2863 k = k.compressed (d->factor ());
2864 scm_remember_upto_here_1 ($1);
2865 $$ = k.smobbed_copy ();
2869 multiplied_duration:
2873 | multiplied_duration '*' UNSIGNED {
2874 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
2876 | multiplied_duration '*' FRACTION {
2877 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
2879 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
2888 $$ = scm_oneplus ($1);
2897 int n = scm_to_int ($2);
2898 if (!is_duration (n))
2899 parser->parser_error (@2, _f ("not a duration: %d", n));
2905 UNSIGNED { $$ = $1; }
2906 | STRING { $$ = $1; }
2907 | full_markup { $$ = $1; }
2910 // as an integer, it needs to be non-negative, and otherwise
2911 // it needs to be suitable as a markup.
2912 if (scm_is_integer ($1)
2913 ? scm_is_true (scm_negative_p ($1))
2914 : !Text_interface::is_markup ($1))
2916 parser->parser_error (@1, _ ("bass number expected"));
2922 figured_bass_alteration:
2923 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
2924 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
2925 | '!' { $$ = scm_from_int (0); }
2930 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2931 $$ = bfr->unprotect ();
2934 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
2935 $$ = bfr->self_scm ();
2937 if (scm_is_number ($1))
2938 bfr->set_property ("figure", $1);
2939 else if (Text_interface::is_markup ($1))
2940 bfr->set_property ("text", $1);
2946 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
2948 | bass_figure figured_bass_alteration {
2949 Music *m = unsmob_music ($1);
2950 if (scm_to_double ($2)) {
2951 SCM salter = m->get_property ("alteration");
2952 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
2953 m->set_property ("alteration",
2954 scm_sum (alter, $2));
2956 m->set_property ("alteration", scm_from_int (0));
2959 | bass_figure figured_bass_modification {
2960 Music *m = unsmob_music ($1);
2961 if ($2 == ly_symbol2scm ("plus"))
2963 m->set_property ("augmented", SCM_BOOL_T);
2965 else if ($2 == ly_symbol2scm ("slash"))
2967 m->set_property ("diminished", SCM_BOOL_T);
2969 else if ($2 == ly_symbol2scm ("exclamation"))
2971 m->set_property ("no-continuation", SCM_BOOL_T);
2973 else if ($2 == ly_symbol2scm ("backslash"))
2975 m->set_property ("augmented-slash", SCM_BOOL_T);
2981 figured_bass_modification:
2983 $$ = ly_symbol2scm ("plus");
2986 $$ = ly_symbol2scm ("exclamation");
2989 $$ = ly_symbol2scm ("slash");
2992 $$ = ly_symbol2scm ("backslash");
3002 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
3010 | figure_list br_bass_figure {
3011 $$ = scm_cons ($2, $1);
3016 FIGURE_OPEN figure_list FIGURE_CLOSE {
3017 $$ = scm_reverse_x ($2, SCM_EOL);
3023 /**/ { $$ = SCM_BOOL_F; }
3024 | REST { $$ = SCM_BOOL_T; }
3028 pitch exclamations questions octave_check maybe_notemode_duration optional_rest {
3029 if (!parser->lexer_->is_note_state ())
3030 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
3031 if (!SCM_UNBNDP ($2)
3033 || scm_is_number ($4)
3035 || scm_is_true ($6))
3038 if (scm_is_true ($6))
3039 n = MY_MAKE_MUSIC ("RestEvent", @$);
3041 n = MY_MAKE_MUSIC ("NoteEvent", @$);
3043 n->set_property ("pitch", $1);
3044 if (SCM_UNBNDP ($5))
3045 n->set_property ("duration",
3046 parser->default_duration_.smobbed_copy ());
3048 n->set_property ("duration", $5);
3050 if (scm_is_number ($4))
3052 int q = scm_to_int ($4);
3053 n->set_property ("absolute-octave", scm_from_int (q-1));
3056 if (to_boolean ($3))
3057 n->set_property ("cautionary", SCM_BOOL_T);
3058 if (to_boolean ($2) || to_boolean ($3))
3059 n->set_property ("force-accidental", SCM_BOOL_T);
3061 $$ = n->unprotect ();
3064 | DRUM_PITCH optional_notemode_duration {
3065 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
3066 n->set_property ("duration", $2);
3067 n->set_property ("drum-type", $1);
3069 $$ = n->unprotect ();
3071 | RESTNAME optional_notemode_duration {
3073 if (ly_scm2string ($1) == "s") {
3075 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
3078 ev = MY_MAKE_MUSIC ("RestEvent", @$);
3081 ev->set_property ("duration", $2);
3082 $$ = ev->unprotect ();
3086 simple_chord_elements:
3088 if (!parser->lexer_->is_chord_state ())
3089 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
3092 | figure_spec optional_notemode_duration {
3093 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
3095 unsmob_music (scm_car (s))->set_property ("duration", $2);
3111 lyric_element_music:
3112 lyric_element optional_notemode_duration post_events {
3113 if (!parser->lexer_->is_lyric_state ())
3114 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
3115 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3116 if (scm_is_pair ($3))
3117 unsmob_music ($$)->set_property
3118 ("articulations", scm_reverse_x ($3, SCM_EOL));
3123 steno_tonic_pitch optional_notemode_duration {
3124 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3126 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3127 SCM its = scm_reverse_x ($4, SCM_EOL);
3128 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3136 | chord_items chord_item {
3137 $$ = scm_cons ($2, $$);
3143 $$ = ly_symbol2scm ("chord-colon");
3146 $$ = ly_symbol2scm ("chord-caret");
3148 | CHORD_SLASH steno_tonic_pitch {
3149 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3151 | CHORD_BASS steno_tonic_pitch {
3152 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3161 $$ = scm_reverse_x ($1, SCM_EOL);
3169 step_number { $$ = scm_cons ($1, SCM_EOL); }
3170 | step_numbers '.' step_number {
3171 $$ = scm_cons ($3, $$);
3177 $$ = make_chord_step ($1, 0);
3180 $$ = make_chord_step ($1, SHARP_ALTERATION);
3182 | UNSIGNED CHORD_MINUS {
3183 $$ = make_chord_step ($1, FLAT_ALTERATION);
3191 | UNSIGNED '-' UNSIGNED {
3192 $$ = scm_cons ($1, $3);
3199 TODO: should deprecate in favor of Scheme?
3203 number_expression '+' number_term {
3204 $$ = scm_sum ($1, $3);
3206 | number_expression '-' number_term {
3207 $$ = scm_difference ($1, $3);
3216 | number_factor '*' number_factor {
3217 $$ = scm_product ($1, $3);
3219 | number_factor '/' number_factor {
3220 $$ = scm_divide ($1, $3);
3225 '-' number_factor { /* %prec UNARY_MINUS */
3226 $$ = scm_difference ($2, SCM_UNDEFINED);
3234 | UNSIGNED NUMBER_IDENTIFIER {
3235 $$ = scm_product ($1, $2);
3237 | REAL NUMBER_IDENTIFIER {
3238 $$ = scm_product ($1, $2);
3254 { $$ = SCM_UNDEFINED; }
3257 if (SCM_UNBNDP ($1))
3265 { $$ = SCM_UNDEFINED; }
3268 if (SCM_UNBNDP ($1))
3277 { parser->lexer_->push_markup_state (); }
3280 parser->lexer_->pop_state ();
3286 { parser->lexer_->push_markup_state (); }
3289 parser->lexer_->pop_state ();
3294 simple_markup_list {
3295 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3297 | markup_head_1_list simple_markup
3299 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3300 @2, $1, scm_list_1 ($2)));
3310 if (Text_interface::is_markup ($1))
3311 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3312 else if (Text_interface::is_markup_list ($1))
3313 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3315 parser->parser_error (@1, _ ("not a markup"));
3316 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3323 markup_composed_list {
3326 | markup_uncomposed_list
3329 markup_uncomposed_list:
3330 markup_braced_list {
3333 | markup_command_list {
3334 $$ = scm_list_1 ($1);
3336 | markup_scm MARKUPLIST_IDENTIFIER
3346 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $1));
3352 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3353 parser->lexer_->push_note_state (nn);
3354 } '{' score_body '}' {
3356 parser->lexer_->pop_state ();
3360 markup_composed_list:
3361 markup_head_1_list markup_uncomposed_list {
3362 $$ = MAKE_SYNTAX ("composed-markup-list",
3368 '{' markup_braced_list_body '}' {
3369 $$ = scm_reverse_x ($2, SCM_EOL);
3373 markup_braced_list_body:
3374 /* empty */ { $$ = SCM_EOL; }
3375 | markup_braced_list_body markup {
3376 $$ = scm_cons ($2, $1);
3378 | markup_braced_list_body simple_markup_list {
3379 $$ = scm_reverse_x ($2, $1);
3383 markup_command_list:
3384 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3385 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3389 markup_command_basic_arguments:
3390 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3391 $$ = scm_cons ($3, $2);
3393 | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
3394 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3396 | EXPECT_NO_MORE_ARGS {
3401 markup_command_list_arguments:
3402 markup_command_basic_arguments { $$ = $1; }
3403 | EXPECT_MARKUP markup_command_list_arguments markup {
3404 $$ = scm_cons ($3, $2);
3409 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3410 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3415 markup_head_1_item {
3416 $$ = scm_list_1 ($1);
3418 | markup_head_1_list markup_head_1_item {
3419 $$ = scm_cons ($2, $1);
3425 $$ = make_simple_markup ($1);
3427 | MARKUP_FUNCTION markup_command_basic_arguments {
3428 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3430 | markup_scm MARKUP_IDENTIFIER
3436 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $1);
3441 markup_head_1_list simple_markup
3443 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3444 @2, $1, scm_list_1 ($2)));
3454 Lily_parser::set_yydebug (bool x)
3460 Lily_parser::do_yyparse ()
3462 SCM retval = SCM_UNDEFINED;
3463 yyparse (this, &retval);
3473 It is a little strange to have this function in this file, but
3474 otherwise, we have to import music classes into the lexer.
3478 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3480 if (unsmob_book (sid)) {
3481 Book *book = unsmob_book (sid)->clone ();
3482 *destination = book->self_scm ();
3485 return BOOK_IDENTIFIER;
3486 } else if (scm_is_number (sid)) {
3488 return NUMBER_IDENTIFIER;
3489 } else if (unsmob_context_def (sid)) {
3490 Context_def *def= unsmob_context_def (sid)->clone ();
3492 *destination = def->self_scm ();
3495 return CONTEXT_DEF_IDENTIFIER;
3496 } else if (unsmob_context_mod (sid)) {
3497 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3499 return CONTEXT_MOD_IDENTIFIER;
3500 } else if (Music *mus = unsmob_music (sid)) {
3501 mus = mus->clone ();
3502 *destination = mus->self_scm ();
3503 bool is_event = mus->is_mus_type ("post-event");
3505 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3506 } else if (unsmob_pitch (sid)) {
3507 *destination = unsmob_pitch (sid)->smobbed_copy ();
3508 return PITCH_IDENTIFIER;
3509 } else if (unsmob_duration (sid)) {
3510 *destination = unsmob_duration (sid)->smobbed_copy ();
3511 return DURATION_IDENTIFIER;
3512 } else if (unsmob_output_def (sid)) {
3513 Output_def *p = unsmob_output_def (sid);
3516 *destination = p->self_scm ();
3518 return OUTPUT_DEF_IDENTIFIER;
3525 get_next_unique_context_id ()
3527 return scm_from_locale_string ("$uniqueContextId");
3532 get_next_unique_lyrics_context_id ()
3534 static int new_context_count;
3536 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3537 return scm_from_locale_string (s);
3540 // check_scheme_arg checks one argument with a given predicate for use
3541 // in an argument list and throws a syntax error if it is unusable.
3542 // The argument is prepended to the argument list in any case. After
3543 // throwing a syntax error, the argument list is terminated with #f as
3544 // its last cdr in order to mark it as uncallable while not losing
3545 // track of its total length.
3547 // There are a few special considerations: if optional argument disp
3548 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3549 // instead of arg in a prospective error message. This is useful if
3550 // arg is not the actual argument but rather a transformation of it.
3552 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3553 // and an error message using disp is produced unconditionally.
3555 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3556 SCM arg, SCM args, SCM pred, SCM disp)
3558 if (SCM_UNBNDP (arg))
3559 args = scm_cons (disp, args);
3561 args = scm_cons (arg, args);
3562 if (scm_is_true (scm_call_1 (pred, arg)))
3565 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3566 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3567 SCM_UNBNDP (disp) ? arg : disp);
3568 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3572 SCM loc_on_music (Input loc, SCM arg)
3574 if (Music *m = unsmob_music (arg))
3578 return m->unprotect ();
3584 try_string_variants (SCM pred, SCM str)
3586 // a matching predicate is always ok
3587 if (scm_is_true (scm_call_1 (pred, str)))
3589 // a symbol may be interpreted as a list of symbols if it helps
3590 if (scm_is_symbol (str)) {
3591 str = scm_list_1 (str);
3592 if (scm_is_true (scm_call_1 (pred, str)))
3594 return SCM_UNDEFINED;
3597 // If this cannot be a string representation of a symbol list,
3600 if (!is_regular_identifier (str, true))
3601 return SCM_UNDEFINED;
3603 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3604 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3605 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3607 // Let's attempt the symbol list interpretation first.
3609 if (scm_is_true (scm_call_1 (pred, str)))
3612 // If there is just one symbol in the list, we might interpret
3613 // it as a single symbol
3615 if (scm_is_null (scm_cdr (str)))
3617 str = scm_car (str);
3618 if (scm_is_true (scm_call_1 (pred, str)))
3622 return SCM_UNDEFINED;
3626 is_regular_identifier (SCM id, bool multiple)
3628 if (!scm_is_string (id))
3631 string str = ly_scm2string (id);
3633 bool middle = false;
3635 for (string::iterator it=str.begin(); it != str.end (); it++)
3638 if ((c >= 'a' && c <= 'z')
3639 || (c >= 'A' && c <= 'Z')
3642 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3651 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3653 if (unsmob_music (simple))
3655 if (parser->lexer_->is_note_state ()) {
3656 if (scm_is_symbol (simple)) {
3657 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3658 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3659 n->set_property ("drum-type", simple);
3660 return n->unprotect ();
3662 if (unsmob_pitch (simple)) {
3663 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3664 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3665 n->set_property ("pitch", simple);
3666 return n->unprotect ();
3669 } else if (parser->lexer_->is_lyric_state ()) {
3670 if (Text_interface::is_markup (simple))
3671 return MAKE_SYNTAX ("lyric-event", loc, simple,
3672 parser->default_duration_.smobbed_copy ());
3673 } else if (parser->lexer_->is_chord_state ()) {
3674 if (unsmob_pitch (simple))
3675 return make_chord_elements (loc, simple,
3676 parser->default_duration_.smobbed_copy (),
3683 make_music_with_input (SCM name, Input where)
3685 Music *m = make_music_by_name (name);
3686 m->set_spot (where);
3691 make_simple_markup (SCM a)
3699 return t && t == 1 << intlog2 (t);
3703 make_chord_step (SCM step_scm, Rational alter)
3705 int step = scm_to_int (step_scm);
3708 alter += FLAT_ALTERATION;
3712 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3713 return m.smobbed_copy ();
3718 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3720 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3721 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3722 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3724 unsmob_music (scm_car (s))->set_spot (loc);
3730 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3732 Lily_lexer *lex = parser->lexer_;
3736 lex->prepare_for_next_token ();
3737 return lex->yylex ();