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--2014 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 SCM s = scm_call_2 (ly_lily_module_constant ("value->lily-string"), \
46 parser->self_scm ()); \
47 char *p = scm_to_locale_string (s); \
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 %right ':' UNSIGNED REAL E_UNSIGNED EVENT_IDENTIFIER EVENT_FUNCTION '^' '_'
84 HYPHEN EXTENDER DURATION_IDENTIFIER '!'
86 /* The above are needed for collecting tremoli and other items (that
87 could otherwise be interpreted as belonging to the next function
88 argument) greedily, and together with the next rule will serve to
89 join numbers and units greedily instead of allowing them into
90 separate function arguments
93 %nonassoc NUMBER_IDENTIFIER
105 %{ // -*-Fundamental-*-
110 * The rules for who is protecting what are very shady. Uniformise
113 * There are too many lexical modes?
124 #include "context-def.hh"
125 #include "context-mod.hh"
126 #include "dimensions.hh"
127 #include "file-path.hh"
129 #include "international.hh"
130 #include "lily-guile.hh"
131 #include "lily-lexer.hh"
132 #include "lily-parser.hh"
136 #include "output-def.hh"
137 #include "paper-book.hh"
138 #include "scm-hash.hh"
140 #include "text-interface.hh"
144 Lily_parser::parser_error (Input const *i, Lily_parser *parser, SCM *, const string &s)
146 parser->parser_error (*i, s);
149 // The following are somewhat precarious constructs as they may change
150 // the value of the lookahead token. That implies that the lookahead
151 // token must not yet have made an impact on the state stack other
152 // than causing the reduction of the current rule, or switching the
153 // lookahead token while Bison is mulling it over will cause trouble.
155 #define MYBACKUP(Token, Value, Location) \
157 if (yychar != YYEMPTY) \
158 parser->lexer_->push_extra_token \
159 (yylloc, yychar, yylval); \
161 parser->lexer_->push_extra_token \
162 (Location, Token, Value); \
163 parser->lexer_->push_extra_token (Location, BACKUP); \
168 #define MYREPARSE(Location, Pred, Token, Value) \
170 if (yychar != YYEMPTY) \
171 parser->lexer_->push_extra_token \
172 (yylloc, yychar, yylval); \
173 parser->lexer_->push_extra_token \
174 (Location, Token, Value); \
175 parser->lexer_->push_extra_token \
176 (Location, REPARSE, Pred); \
185 #define MY_MAKE_MUSIC(x, spot) \
186 make_music_with_input (ly_symbol2scm (x), \
187 parser->lexer_->override_input (spot))
190 - Don't use lily module, create a new module instead.
191 - delay application of the function
193 #define LOWLEVEL_MAKE_SYNTAX(proc, args) \
194 scm_apply_0 (proc, args)
195 /* Syntactic Sugar. */
196 #define MAKE_SYNTAX(name, location, ...) \
197 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))
198 #define START_MAKE_SYNTAX(name, ...) \
199 scm_list_n (ly_lily_module_constant (name) , ##__VA_ARGS__, SCM_UNDEFINED)
200 #define FINISH_MAKE_SYNTAX(start, location, ...) \
201 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)))))
203 SCM get_next_unique_context_id ();
204 SCM get_next_unique_lyrics_context_id ();
211 #define _(x) gettext (x)
215 static Music *make_music_with_input (SCM name, Input where);
216 SCM check_scheme_arg (Lily_parser *parser, Input loc,
217 SCM arg, SCM args, SCM pred, SCM disp = SCM_UNDEFINED);
218 SCM make_music_from_simple (Lily_parser *parser, Input loc, SCM pitch);
219 SCM loc_on_music (Input loc, SCM arg);
220 SCM make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list);
221 SCM make_chord_step (SCM step, Rational alter);
222 SCM make_simple_markup (SCM a);
223 SCM make_duration (SCM t, int dots = 0);
224 bool is_regular_identifier (SCM id, bool multiple=false);
225 SCM try_string_variants (SCM pred, SCM str);
226 int yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser);
230 /* The third option is an alias that will be used to display the
231 syntax error. Bison CVS now correctly handles backslash escapes.
233 FIXME: Bison needs to translate some of these, eg, STRING.
237 /* Keyword tokens with plain escaped name. */
238 %token END_OF_FILE 0 "end of input"
239 %token ACCEPTS "\\accepts"
240 %token ADDLYRICS "\\addlyrics"
241 %token ALIAS "\\alias"
242 %token ALTERNATIVE "\\alternative"
244 %token BOOKPART "\\bookpart"
245 %token CHANGE "\\change"
246 %token CHORDMODE "\\chordmode"
247 %token CHORDS "\\chords"
248 %token CONSISTS "\\consists"
249 %token CONTEXT "\\context"
250 %token DEFAULT "\\default"
251 %token DEFAULTCHILD "\\defaultchild"
252 %token DENIES "\\denies"
253 %token DESCRIPTION "\\description"
254 %token DRUMMODE "\\drummode"
255 %token DRUMS "\\drums"
256 %token FIGUREMODE "\\figuremode"
257 %token FIGURES "\\figures"
258 %token HEADER "\\header"
259 %token INVALID "\\version-error"
260 %token LAYOUT "\\layout"
261 %token LYRICMODE "\\lyricmode"
262 %token LYRICS "\\lyrics"
263 %token LYRICSTO "\\lyricsto"
264 %token MARKUP "\\markup"
265 %token MARKUPLIST "\\markuplist"
268 %token NOTEMODE "\\notemode"
269 %token OVERRIDE "\\override"
270 %token PAPER "\\paper"
271 %token REMOVE "\\remove"
272 %token REPEAT "\\repeat"
274 %token REVERT "\\revert"
275 %token SCORE "\\score"
276 %token SCORELINES "\\score-lines"
277 %token SEQUENTIAL "\\sequential"
279 %token SIMULTANEOUS "\\simultaneous"
280 %token TEMPO "\\tempo"
282 %token UNSET "\\unset"
285 /* Keyword token exceptions. */
286 %token NEWCONTEXT "\\new"
289 /* Other string tokens. */
291 %token CHORD_BASS "/+"
292 %token CHORD_CARET "^"
293 %token CHORD_COLON ":"
294 %token CHORD_MINUS "-"
295 %token CHORD_SLASH "/"
296 %token ANGLE_OPEN "<"
297 %token ANGLE_CLOSE ">"
298 %token DOUBLE_ANGLE_OPEN "<<"
299 %token DOUBLE_ANGLE_CLOSE ">>"
300 %token E_BACKSLASH "\\"
301 %token E_EXCLAMATION "\\!"
306 If we give names, Bison complains.
308 %token FIGURE_CLOSE /* "\\>" */
309 %token FIGURE_OPEN /* "\\<" */
310 %token FIGURE_SPACE "_"
313 %token MULTI_MEASURE_REST
319 /* Artificial tokens, for more generic function syntax */
320 %token EXPECT_MARKUP "markup?"
321 %token EXPECT_SCM "scheme?"
322 %token BACKUP "(backed-up?)"
323 %token REPARSE "(reparsed?)"
324 %token EXPECT_MARKUP_LIST "markup-list?"
325 %token EXPECT_OPTIONAL "optional?"
326 /* After the last argument. */
327 %token EXPECT_NO_MORE_ARGS;
329 /* An artificial token for parsing embedded Lilypond */
330 %token EMBEDDED_LILY "#{"
332 %token BOOK_IDENTIFIER
333 %token CHORD_MODIFIER
334 %token CHORD_REPETITION
335 %token CONTEXT_MOD_IDENTIFIER
337 %token PITCH_IDENTIFIER
338 %token DURATION_IDENTIFIER
339 %token EVENT_IDENTIFIER
340 %token EVENT_FUNCTION
343 %token MARKUP_FUNCTION
344 %token MARKUP_LIST_FUNCTION
345 %token MARKUP_IDENTIFIER
346 %token MARKUPLIST_IDENTIFIER
347 %token MUSIC_FUNCTION
348 %token MUSIC_IDENTIFIER
349 %token NOTENAME_PITCH
350 %token NUMBER_IDENTIFIER
355 %token SCM_IDENTIFIER
359 %token TONICNAME_PITCH
363 /* We don't assign precedence to / and *, because we might need varied
364 prec levels in different prods */
373 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
374 parser->lexer_->push_note_state (nn);
375 } embedded_lilypond {
376 parser->lexer_->pop_state ();
381 lilypond: /* empty */ { $$ = SCM_UNSPECIFIED; }
382 | lilypond toplevel_expression {
384 | lilypond assignment {
387 parser->error_level_ = 1;
390 parser->error_level_ = 1;
397 parser->lexer_->add_scope (get_header (parser));
399 parser->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $2);
402 SCM proc = parser->lexer_->lookup_identifier ("toplevel-book-handler");
403 scm_call_2 (proc, parser->self_scm (), $1);
406 SCM proc = parser->lexer_->lookup_identifier ("toplevel-bookpart-handler");
407 scm_call_2 (proc, parser->self_scm (), $1);
410 SCM proc = parser->lexer_->lookup_identifier
411 (unsmob_book($1)->paper_
412 ? "toplevel-book-handler"
413 : "toplevel-bookpart-handler");
414 scm_call_2 (proc, parser->self_scm (), $1);
417 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
418 scm_call_2 (proc, parser->self_scm (), $1);
421 SCM proc = parser->lexer_->lookup_identifier ("toplevel-music-handler");
422 scm_call_2 (proc, parser->self_scm (), $1);
425 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
426 scm_call_2 (proc, parser->self_scm (), scm_list_1 ($1));
429 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
430 scm_call_2 (proc, parser->self_scm (), $1);
433 // Evaluate and ignore #xxx, as opposed to \xxx
434 parser->lexer_->eval_scm_token ($1, @1);
436 | embedded_scm_active
438 SCM out = SCM_UNDEFINED;
439 if (Text_interface::is_markup ($1))
440 out = scm_list_1 ($1);
441 else if (Text_interface::is_markup_list ($1))
443 if (scm_is_pair (out))
445 SCM proc = parser->lexer_->lookup_identifier ("toplevel-text-handler");
446 scm_call_2 (proc, parser->self_scm (), out);
447 } else if (unsmob_score ($1))
449 SCM proc = parser->lexer_->lookup_identifier ("toplevel-score-handler");
450 scm_call_2 (proc, parser->self_scm (), $1);
451 } else if (Output_def * od = unsmob_output_def ($1)) {
454 if (od->c_variable ("is-paper") == SCM_BOOL_T)
455 id = ly_symbol2scm ("$defaultpaper");
456 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
457 id = ly_symbol2scm ("$defaultmidi");
458 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
459 id = ly_symbol2scm ("$defaultlayout");
461 parser->lexer_->set_identifier (id, $1);
462 } else if (!scm_is_eq ($1, SCM_UNSPECIFIED))
463 parser->parser_error (@1, _("bad expression type"));
467 Output_def * od = unsmob_output_def ($1);
469 if (od->c_variable ("is-paper") == SCM_BOOL_T)
470 id = ly_symbol2scm ("$defaultpaper");
471 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
472 id = ly_symbol2scm ("$defaultmidi");
473 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
474 id = ly_symbol2scm ("$defaultlayout");
476 parser->lexer_->set_identifier (id, $1);
483 $$ = parser->lexer_->eval_scm_token ($1, @1);
493 embedded_scm_bare_arg:
497 $$ = parser->lexer_->eval_scm_token ($1, @1);
501 | context_modification
503 | context_def_spec_block
509 /* The generic version may end in music, or not */
516 /* embedded_scm_arg is _not_ casting pitches to music by default, this
517 * has to be done by the function itself. Note that this may cause
518 * the results of scm_function_call or embedded_scm_bare_arg to be
519 * turned into music from pitches as well. Note that this creates a
520 * distinctly awkward situation for calculated drum pitches. Those
521 * are at the current point of time rejected as music constituents as
522 * they can't be distinguished from "proper" symbols.
526 embedded_scm_bare_arg
532 SCM_FUNCTION function_arglist {
533 $$ = MAKE_SYNTAX ("music-function", @$,
538 embedded_lilypond_number:
539 '-' embedded_lilypond_number
541 $$ = scm_difference ($2, SCM_UNDEFINED);
544 | UNSIGNED NUMBER_IDENTIFIER
546 $$ = scm_product ($1, $2);
553 // FIXME: @$ does not contain a useful source location
554 // for empty rules, and the only token in the whole
555 // production, EMBEDDED_LILY, is synthetic and also
556 // contains no source location.
557 $$ = MAKE_SYNTAX ("void-music", @$);
559 | identifier_init_nonumber
560 | embedded_lilypond_number
561 | post_event post_events
563 $$ = scm_reverse_x ($2, SCM_EOL);
564 if (Music *m = unsmob_music ($1))
566 if (m->is_mus_type ("post-event-wrapper"))
568 (scm_list_2 (m->get_property ("elements"),
571 $$ = scm_cons ($1, $$);
574 && scm_is_null (scm_cdr ($$)))
578 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
579 m->set_property ("elements", $$);
580 $$ = m->unprotect ();
583 | multiplied_duration
584 | music_embedded music_embedded music_list {
585 $3 = scm_reverse_x ($3, SCM_EOL);
586 if (unsmob_music ($2))
587 $3 = scm_cons ($2, $3);
588 if (unsmob_music ($1))
589 $3 = scm_cons ($1, $3);
590 $$ = MAKE_SYNTAX ("sequential-music", @$, $3);
593 parser->error_level_ = 1;
594 $$ = SCM_UNSPECIFIED;
596 | INVALID embedded_lilypond {
597 parser->error_level_ = 1;
603 lilypond_header_body:
604 /* empty */ { $$ = SCM_UNSPECIFIED; }
605 | lilypond_header_body assignment {
608 | lilypond_header_body embedded_scm {
614 HEADER '{' lilypond_header_body '}' {
615 $$ = parser->lexer_->remove_scope ();
627 assignment_id '=' identifier_init {
628 parser->lexer_->set_identifier ($1, $3);
629 $$ = SCM_UNSPECIFIED;
631 | assignment_id property_path '=' identifier_init {
632 SCM path = scm_cons (scm_string_to_symbol ($1), $2);
633 parser->lexer_->set_identifier (path, $4);
634 $$ = SCM_UNSPECIFIED;
636 | assignment_id '.' property_path '=' identifier_init {
637 SCM path = scm_cons (scm_string_to_symbol ($1), $3);
638 parser->lexer_->set_identifier (path, $5);
639 $$ = SCM_UNSPECIFIED;
645 identifier_init_nonumber
647 | post_event_nofinger post_events
649 $$ = scm_reverse_x ($2, SCM_EOL);
650 if (Music *m = unsmob_music ($1))
652 if (m->is_mus_type ("post-event-wrapper"))
654 (scm_list_2 (m->get_property ("elements"),
657 $$ = scm_cons ($1, $$);
660 && scm_is_null (scm_cdr ($$)))
664 Music * m = MY_MAKE_MUSIC ("PostEvents", @$);
665 m->set_property ("elements", $$);
666 $$ = m->unprotect ();
671 identifier_init_nonumber:
676 | context_def_spec_block
683 | context_modification
686 context_def_spec_block:
687 CONTEXT '{' context_def_spec_body '}'
690 Context_def *td = unsmob_context_def ($$);
692 $$ = Context_def::make_scm ();
693 td = unsmob_context_def ($$);
695 td->origin ()->set_spot (@$);
703 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
704 parser->lexer_->push_note_state (nn);
708 parser->lexer_->pop_state ();
714 context_def_spec_body:
716 $$ = SCM_UNSPECIFIED;
718 | context_def_spec_body context_mod {
719 if (!SCM_UNBNDP ($2)) {
720 Context_def *td = unsmob_context_def ($$);
722 $$ = Context_def::make_scm ();
723 td = unsmob_context_def ($$);
725 unsmob_context_def ($$)->add_context_mod ($2);
728 | context_def_spec_body context_modification {
729 Context_def *td = unsmob_context_def ($$);
731 $$ = Context_def::make_scm ();
732 td = unsmob_context_def ($$);
734 SCM new_mods = unsmob_context_mod ($2)->get_mods ();
735 for (SCM m = new_mods; scm_is_pair (m); m = scm_cdr (m)) {
736 td->add_context_mod (scm_car (m));
739 | context_def_spec_body context_mod_arg {
740 Context_def *td = unsmob_context_def ($1);
741 if (scm_is_eq ($2, SCM_UNSPECIFIED))
743 else if (!td && unsmob_context_def ($2))
747 $$ = Context_def::make_scm ();
748 td = unsmob_context_def ($$);
750 if (unsmob_music ($2)) {
751 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
752 $2 = scm_call_2 (proc, parser->self_scm (), $2);
754 if (Context_mod *cm = unsmob_context_mod ($2)) {
755 for (SCM m = cm->get_mods (); scm_is_pair (m); m = scm_cdr (m)) {
756 td->add_context_mod (scm_car (m));
759 parser->parser_error (@2, _ ("not a context mod"));
767 BOOK '{' book_body '}' {
769 unsmob_book ($$)->origin ()->set_spot (@$);
771 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), SCM_BOOL_F);
776 * Use 'handlers' like for toplevel-* stuff?
777 * grok \layout and \midi? */
780 Book *book = new Book;
781 init_papers (parser);
782 book->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (parser->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
783 book->paper_->unprotect ();
784 push_paper (parser, book->paper_);
785 book->header_ = get_header (parser);
786 $$ = book->unprotect ();
787 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $$);
790 parser->lexer_->set_identifier (ly_symbol2scm ("$current-book"), $1);
792 | book_body paper_block {
793 unsmob_book ($1)->paper_ = unsmob_output_def ($2);
794 set_paper (parser, unsmob_output_def ($2));
796 | book_body bookpart_block {
797 SCM proc = parser->lexer_->lookup_identifier ("book-bookpart-handler");
798 scm_call_2 (proc, $1, $2);
800 | book_body score_block {
801 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
802 scm_call_2 (proc, $1, $2);
804 | book_body composite_music {
805 SCM proc = parser->lexer_->lookup_identifier ("book-music-handler");
806 scm_call_3 (proc, parser->self_scm (), $1, $2);
808 | book_body full_markup {
809 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
810 scm_call_2 (proc, $1, scm_list_1 ($2));
812 | book_body full_markup_list {
813 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
814 scm_call_2 (proc, $1, $2);
816 | book_body SCM_TOKEN {
817 // Evaluate and ignore #xxx, as opposed to \xxx
818 parser->lexer_->eval_scm_token ($2, @2);
820 | book_body embedded_scm_active
822 SCM out = SCM_UNDEFINED;
823 if (Text_interface::is_markup ($2))
824 out = scm_list_1 ($2);
825 else if (Text_interface::is_markup_list ($2))
827 if (scm_is_pair (out))
829 SCM proc = parser->lexer_->lookup_identifier ("book-text-handler");
830 scm_call_2 (proc, $1, out);
831 } else if (unsmob_score ($2))
833 SCM proc = parser->lexer_->lookup_identifier ("book-score-handler");
834 scm_call_2 (proc, $1, $2);
835 } else if (Output_def *od = unsmob_output_def ($2)) {
838 if (od->c_variable ("is-paper") == SCM_BOOL_T)
839 id = ly_symbol2scm ("$defaultpaper");
840 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
841 id = ly_symbol2scm ("$defaultmidi");
842 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
843 id = ly_symbol2scm ("$defaultlayout");
845 parser->lexer_->set_identifier (id, $2);
846 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
847 parser->parser_error (@2, _("bad expression type"));
851 parser->lexer_->add_scope (unsmob_book ($1)->header_);
854 Book *book = unsmob_book ($1);
856 book->scores_ = SCM_EOL;
857 book->bookparts_ = SCM_EOL;
862 BOOKPART '{' bookpart_body '}' {
864 unsmob_book ($$)->origin ()->set_spot (@$);
865 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), SCM_BOOL_F);
871 Book *book = new Book;
872 $$ = book->unprotect ();
873 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $$);
876 parser->lexer_->set_identifier (ly_symbol2scm ("$current-bookpart"), $1);
878 | bookpart_body paper_block {
879 unsmob_book ($$)->paper_ = unsmob_output_def ($2);
881 | bookpart_body score_block {
882 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
883 scm_call_2 (proc, $1, $2);
885 | bookpart_body composite_music {
886 SCM proc = parser->lexer_->lookup_identifier ("bookpart-music-handler");
887 scm_call_3 (proc, parser->self_scm (), $1, $2);
889 | bookpart_body full_markup {
890 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
891 scm_call_2 (proc, $1, scm_list_1 ($2));
893 | bookpart_body full_markup_list {
894 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
895 scm_call_2 (proc, $1, $2);
897 | bookpart_body SCM_TOKEN {
898 // Evaluate and ignore #xxx, as opposed to \xxx
899 parser->lexer_->eval_scm_token ($2, @2);
901 | bookpart_body embedded_scm_active
903 SCM out = SCM_UNDEFINED;
904 if (Text_interface::is_markup ($2))
905 out = scm_list_1 ($2);
906 else if (Text_interface::is_markup_list ($2))
908 if (scm_is_pair (out))
910 SCM proc = parser->lexer_->lookup_identifier ("bookpart-text-handler");
911 scm_call_2 (proc, $1, out);
912 } else if (unsmob_score ($2))
914 SCM proc = parser->lexer_->lookup_identifier ("bookpart-score-handler");
915 scm_call_2 (proc, $1, $2);
916 } else if (Output_def *od = unsmob_output_def ($2)) {
919 if (od->c_variable ("is-paper") == SCM_BOOL_T)
920 id = ly_symbol2scm ("$defaultpaper");
921 else if (od->c_variable ("is-midi") == SCM_BOOL_T)
922 id = ly_symbol2scm ("$defaultmidi");
923 else if (od->c_variable ("is-layout") == SCM_BOOL_T)
924 id = ly_symbol2scm ("$defaultlayout");
926 parser->lexer_->set_identifier (id, $2);
927 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
928 parser->parser_error (@2, _("bad expression type"));
932 Book *book = unsmob_book ($1);
933 if (!ly_is_module (book->header_))
934 book->header_ = ly_make_module (false);
935 parser->lexer_->add_scope (book->header_);
937 | bookpart_body error {
938 Book *book = unsmob_book ($1);
940 book->scores_ = SCM_EOL;
945 SCORE '{' score_body '}' {
946 unsmob_score ($3)->origin ()->set_spot (@$);
958 if (!scm_is_pair ($1)
959 || !ly_is_module (scm_car ($1)))
960 $1 = scm_cons (ly_make_module (false), $1);
961 parser->lexer_->add_scope (scm_car ($1));
966 | score_headers output_def
968 Output_def *od = unsmob_output_def ($2);
969 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
971 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
976 if (scm_is_pair ($1) && ly_is_module (scm_car ($1)))
977 scm_set_cdr_x ($1, scm_cons ($2, scm_cdr ($1)));
979 $$ = scm_cons ($2, $1);
987 score_headers music {
988 SCM scorify = ly_lily_module_constant ("scorify-music");
989 $$ = scm_call_2 (scorify, $2, parser->self_scm ());
991 if (scm_is_pair ($1) && ly_is_module (scm_car ($1)))
993 unsmob_score ($$)->set_header (scm_car ($1));
996 for (SCM p = scm_reverse_x ($1, SCM_EOL);
997 scm_is_pair (p); p = scm_cdr (p))
1000 add_output_def (unsmob_output_def (scm_car (p)));
1003 | embedded_scm_active {
1004 if (!unsmob_score ($1))
1006 $$ = (new Score)->unprotect ();
1007 parser->parser_error (@1, _("score expected"));
1012 Score *score = unsmob_score ($1);
1013 if (!ly_is_module (score->get_header ()))
1014 score->set_header (ly_make_module (false));
1015 parser->lexer_->add_scope (score->get_header ());
1017 | score_body output_def {
1018 Output_def *od = unsmob_output_def ($2);
1019 if (od->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
1021 parser->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
1026 unsmob_score ($1)->add_output_def (od);
1029 | score_body error {
1030 unsmob_score ($$)->error_found_ = true;
1041 Output_def *od = unsmob_output_def ($1);
1043 if (od->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
1045 parser->parser_error (@1, _ ("need \\paper for paper block"));
1046 $$ = get_paper (parser)->unprotect ();
1053 output_def_body '}' {
1054 if (scm_is_pair ($1))
1057 parser->lexer_->remove_scope ();
1058 parser->lexer_->pop_state ();
1064 Output_def *p = get_paper (parser);
1065 p->input_origin_ = @$;
1066 parser->lexer_->add_scope (p->scope_);
1067 $$ = p->unprotect ();
1070 Output_def *p = get_midi (parser);
1071 $$ = p->unprotect ();
1072 parser->lexer_->add_scope (p->scope_);
1075 Output_def *p = get_layout (parser);
1077 parser->lexer_->add_scope (p->scope_);
1078 $$ = p->unprotect ();
1082 output_def_head_with_mode_switch:
1084 parser->lexer_->push_initial_state ();
1089 // We need this weird nonterminal because both music as well as a
1090 // context definition can start with \context and the difference is
1091 // only apparent after looking at the next token. If it is '{', there
1092 // is still time to escape from notes mode.
1094 music_or_context_def:
1096 | context_def_spec_block
1100 output_def_head_with_mode_switch '{' {
1101 unsmob_output_def ($1)->input_origin_.set_spot (@$);
1102 // This is a stupid trick to mark the beginning of the
1103 // body for deciding whether to allow
1104 // embedded_scm_active to have an output definition
1105 $$ = scm_list_1 ($1);
1107 | output_def_body assignment {
1108 if (scm_is_pair ($1))
1111 | output_def_body embedded_scm_active
1113 // We don't switch into note mode for Scheme functions
1114 // here. Does not seem warranted/required in output
1116 if (scm_is_pair ($1))
1118 Output_def *o = unsmob_output_def ($2);
1120 o->input_origin_.set_spot (@$);
1121 $1 = o->self_scm ();
1122 parser->lexer_->remove_scope ();
1123 parser->lexer_->add_scope (o->scope_);
1124 $2 = SCM_UNSPECIFIED;
1128 if (unsmob_context_def ($2))
1129 assign_context_def (unsmob_output_def ($1), $2);
1130 // Seems unlikely, but let's be complete:
1131 else if (unsmob_music ($2))
1133 SCM proc = parser->lexer_->lookup_identifier
1134 ("output-def-music-handler");
1135 scm_call_3 (proc, parser->self_scm (),
1137 } else if (!scm_is_eq ($2, SCM_UNSPECIFIED))
1138 parser->parser_error (@2, _("bad expression type"));
1141 | output_def_body SCM_TOKEN {
1142 if (scm_is_pair ($1))
1144 // Evaluate and ignore #xxx, as opposed to \xxx
1145 parser->lexer_->eval_scm_token ($2, @2);
1149 if (scm_is_pair ($1))
1151 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1152 parser->lexer_->push_note_state (nn);
1153 } music_or_context_def
1155 parser->lexer_->pop_state ();
1156 if (unsmob_context_def ($3))
1157 assign_context_def (unsmob_output_def ($1), $3);
1160 SCM proc = parser->lexer_->lookup_identifier
1161 ("output-def-music-handler");
1162 scm_call_3 (proc, parser->self_scm (),
1167 | output_def_body error {
1173 TEMPO steno_duration '=' tempo_range {
1174 $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
1176 | TEMPO scalar steno_duration '=' tempo_range {
1177 $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
1180 $$ = MAKE_SYNTAX ("tempo", @$, $2);
1185 The representation of a list is reversed to have efficient append. */
1191 | music_list music_embedded {
1192 if (unsmob_music ($2))
1193 $$ = scm_cons ($2, $1);
1195 | music_list error {
1196 Music *m = MY_MAKE_MUSIC("Music", @$);
1198 m->set_property ("error-found", SCM_BOOL_T);
1199 $$ = scm_cons (m->self_scm (), $1);
1200 m->unprotect (); /* UGH */
1207 $$ = scm_reverse_x ($2, SCM_EOL);
1212 | lyric_element_music
1215 $$ = make_music_from_simple (parser, @1, $1);
1216 if (!unsmob_music ($$))
1218 parser->parser_error (@1, _ ("music expected"));
1219 $$ = MAKE_SYNTAX ("void-music", @$);
1227 if (unsmob_music ($1)->is_mus_type ("post-event")) {
1228 parser->parser_error (@1, _ ("unexpected post-event"));
1229 $$ = SCM_UNSPECIFIED;
1232 | music_embedded_backup
1236 | music_embedded_backup BACKUP lyric_element_music
1240 | multiplied_duration post_events
1242 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
1244 parser->default_duration_ = *unsmob_duration ($1);
1245 n->set_property ("duration", $1);
1247 if (scm_is_pair ($2))
1248 n->set_property ("articulations",
1249 scm_reverse_x ($2, SCM_EOL));
1250 $$ = n->unprotect ();
1254 music_embedded_backup:
1257 if (scm_is_eq ($1, SCM_UNSPECIFIED))
1259 else if (Music *m = unsmob_music ($1)) {
1260 if (m->is_mus_type ("post-event")) {
1261 parser->parser_error
1262 (@1, _ ("unexpected post-event"));
1263 $$ = SCM_UNSPECIFIED;
1266 } else if (parser->lexer_->is_lyric_state ()
1267 && Text_interface::is_markup ($1))
1268 MYBACKUP (LYRIC_ELEMENT, $1, @1);
1270 @$.warning (_ ("Ignoring non-music expression"));
1276 // music_assign does not need to contain lyrics: there are no
1277 // assignments in lyricmode.
1280 | composite_music %prec COMPOSITE
1284 REPEAT simple_string unsigned_number music
1286 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
1288 | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
1290 $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
1295 SEQUENTIAL braced_music_list {
1296 $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
1298 | braced_music_list {
1299 $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
1304 SIMULTANEOUS braced_music_list {
1305 $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
1307 | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
1308 $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
1314 | music_property_def
1318 context_modification:
1321 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
1322 parser->lexer_->push_note_state (nn);
1323 } '{' context_mod_list '}'
1325 parser->lexer_->pop_state ();
1328 | WITH CONTEXT_MOD_IDENTIFIER
1332 | CONTEXT_MOD_IDENTIFIER
1336 | WITH context_modification_arg
1338 if (unsmob_music ($2)) {
1339 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
1340 $2 = scm_call_2 (proc, parser->self_scm (), $2);
1342 if (unsmob_context_mod ($2))
1345 parser->parser_error (@2, _ ("not a context mod"));
1346 $$ = Context_mod ().smobbed_copy ();
1351 context_modification_arg:
1356 optional_context_mod:
1360 | context_modification
1368 $$ = Context_mod ().smobbed_copy ();
1370 | context_mod_list context_mod {
1371 if (!SCM_UNBNDP ($2))
1372 unsmob_context_mod ($1)->add_context_mod ($2);
1374 | context_mod_list CONTEXT_MOD_IDENTIFIER {
1375 Context_mod *md = unsmob_context_mod ($2);
1377 unsmob_context_mod ($1)->add_context_mods (md->get_mods ());
1379 | context_mod_list context_mod_arg {
1380 if (scm_is_eq ($2, SCM_UNSPECIFIED))
1382 else if (unsmob_music ($2)) {
1383 SCM proc = parser->lexer_->lookup_identifier ("context-mod-music-handler");
1384 $2 = scm_call_2 (proc, parser->self_scm (), $2);
1386 if (unsmob_context_mod ($2))
1387 unsmob_context_mod ($$)->add_context_mods
1388 (unsmob_context_mod ($2)->get_mods ());
1390 parser->parser_error (@2, _ ("not a context mod"));
1403 | grouped_music_list
1407 simultaneous_music { $$ = $1; }
1408 | sequential_music { $$ = $1; }
1411 /* Function argument lists are arguably the most complex part in the
1412 * parser. They are pretty tricky to understand because of the way
1413 * they are processed, and because of optional arguments that can be
1414 * omitted. When there are several optional arguments in a row,
1415 * omitting one automatically omits all following arguments. Optional
1416 * arguments can only be omitted when either
1418 * a) the omission is explicitly started with \default
1419 * b) the omission is implicitly started by an argument not matching
1420 * its predicate, and there is a mandatory argument later that can
1421 * "catch" the argument that does not fit.
1423 * When argument parsing starts, the lexer pushes EXPECT_SCM tokens
1424 * (corresponding to mandatory arguments and having a predicate
1425 * function as semantic value) or EXPECT_OPTIONAL EXPECT_SCM (where
1426 * the semantic value of the EXPECT_OPTIONAL token is the default to
1427 * use when the optional argument is omitted, and EXPECT_SCM again has
1428 * the argument predicate as semantic value) in reverse order to the
1429 * parser, followed by EXPECT_NO_MORE_ARGS. The argument list is then
1430 * processed inside-out while actual tokens are consumed.
1432 * This means that the argument list tokens determine the actions
1433 * taken as they arrive. The structure of the argument list is known
1434 * to the parser and stored in its parse stack when the first argument
1435 * is being parsed. What the parser does not know is which predicates
1436 * will match and whether or not \default will be appearing in the
1437 * argument list, and where.
1439 * Sequences of 0 or more optional arguments are scanned using either
1440 * function_arglist_backup or function_arglist_nonbackup. The first
1441 * is used when optional arguments are followed by at least one
1442 * mandatory argument: in that case optional arguments may be skipped
1443 * by either a false predicate (in which case the expression will be
1444 * pushed back as one or more tokens, preceded by a BACKUP token) or
1445 * by using \default.
1447 * If optional arguments are at the end of the argument list, they are
1448 * instead scanned using function_arglist_nonbackup: here the only
1449 * manner to enter into skipping of optional arguments is the use of
1452 * The argument list of a normal function call is parsed using
1453 * function_arglist. The part of an argument list before a mandatory
1454 * argument is parsed using function_arglist_optional.
1456 * The difference is that leading optional arguments are scanned using
1457 * function_arglist_nonbackup and function_arglist_backup,
1460 * Most other details are obvious in the rules themselves.
1466 | SYMBOL_LIST '.' symbol_list_rev
1468 $$ = scm_append (scm_list_2 ($1, scm_reverse_x ($3, SCM_EOL)));
1474 | symbol_list_rev '.' symbol_list_part
1476 $$ = scm_append_x (scm_list_2 ($3, $1));
1480 // symbol_list_part delivers elements in reverse copy.
1485 SCM sym_l_p = ly_lily_module_constant ("symbol-list?");
1486 $$ = try_string_variants (sym_l_p, $1);
1487 if (SCM_UNBNDP ($$)) {
1488 parser->parser_error (@1, _("not a symbol"));
1491 $$ = scm_reverse ($$);
1496 symbol_list_element:
1502 function_arglist_nonbackup:
1503 function_arglist_common
1504 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup post_event_nofinger
1506 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1508 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' UNSIGNED
1510 SCM n = scm_difference ($5, SCM_UNDEFINED);
1511 if (scm_is_true (scm_call_1 ($2, n)))
1512 $$ = scm_cons (n, $3);
1514 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1515 t->set_property ("digit", $5);
1516 $$ = check_scheme_arg (parser, @4, t->unprotect (),
1520 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' REAL
1522 $$ = check_scheme_arg (parser, @4,
1523 scm_difference ($5, SCM_UNDEFINED),
1526 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup '-' NUMBER_IDENTIFIER
1528 $$ = check_scheme_arg (parser, @4,
1529 scm_difference ($5, SCM_UNDEFINED),
1532 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup embedded_scm_arg
1534 if (scm_is_true (scm_call_1 ($2, $4)))
1535 $$ = scm_cons ($4, $3);
1537 $$ = check_scheme_arg (parser, @4,
1538 make_music_from_simple
1542 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup bare_number_common
1544 $$ = check_scheme_arg (parser, @4, $4, $3, $2);
1546 | function_arglist_nonbackup_reparse REPARSE pitch_or_music
1548 if (scm_is_true (scm_call_1 ($2, $3)))
1549 $$ = scm_cons ($3, $1);
1551 $$ = check_scheme_arg (parser, @3,
1552 make_music_from_simple
1556 | function_arglist_nonbackup_reparse REPARSE duration_length
1558 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1560 | function_arglist_nonbackup_reparse REPARSE bare_number_common
1562 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1564 | function_arglist_nonbackup_reparse REPARSE SCM_ARG
1566 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1568 | function_arglist_nonbackup_reparse REPARSE lyric_element_music
1570 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1572 | function_arglist_nonbackup_reparse REPARSE symbol_list_arg
1574 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1578 function_arglist_nonbackup_reparse:
1579 EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup SCM_IDENTIFIER
1582 SCM res = try_string_variants ($2, $4);
1583 if (!SCM_UNBNDP (res))
1584 if (scm_is_pair (res))
1585 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1587 MYREPARSE (@4, $2, SCM_ARG, res);
1588 else if (scm_is_true
1590 ($2, make_music_from_simple
1592 MYREPARSE (@4, $2, STRING, $4);
1594 MYREPARSE (@4, $2, SCM_ARG, $4);
1596 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup pitch
1601 ($2, make_music_from_simple
1603 MYREPARSE (@4, $2, PITCH_IDENTIFIER, $4);
1605 MYREPARSE (@4, $2, SCM_ARG, $4);
1607 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup steno_tonic_pitch
1612 ($2, make_music_from_simple
1614 MYREPARSE (@4, $2, TONICNAME_PITCH, $4);
1616 MYREPARSE (@4, $2, SCM_ARG, $4);
1618 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup STRING
1621 SCM res = try_string_variants ($2, $4);
1622 if (!SCM_UNBNDP (res))
1623 if (scm_is_pair (res))
1624 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1626 MYREPARSE (@4, $2, SCM_ARG, res);
1627 else if (scm_is_true
1629 ($2, make_music_from_simple
1631 MYREPARSE (@4, $2, STRING, $4);
1633 MYREPARSE (@4, $2, SCM_ARG, $4);
1635 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup full_markup
1638 if (scm_is_true (scm_call_1 ($2, $4)))
1639 MYREPARSE (@4, $2, SCM_ARG, $4);
1640 else if (scm_is_true
1642 ($2, make_music_from_simple
1644 MYREPARSE (@4, $2, STRING, $4);
1646 MYREPARSE (@4, $2, SCM_ARG, $4);
1648 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup UNSIGNED
1651 if (scm_is_true (scm_call_1 ($2, $4)))
1652 MYREPARSE (@4, $2, REAL, $4);
1654 SCM d = make_duration ($4);
1655 if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d)))
1656 MYREPARSE (@4, $2, REAL, $4); // trigger error
1658 MYREPARSE (@4, $2, DURATION_IDENTIFIER, d);
1661 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_nonbackup DURATION_IDENTIFIER {
1663 MYREPARSE (@4, $2, DURATION_IDENTIFIER, $4);
1668 // function_arglist_backup can't occur at the end of an argument
1670 function_arglist_backup:
1671 function_arglist_common
1672 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup embedded_scm_arg
1674 if (scm_is_true (scm_call_1 ($2, $4)))
1675 $$ = scm_cons ($4, $3);
1677 $$ = make_music_from_simple (parser, @4, $4);
1678 if (scm_is_true (scm_call_1 ($2, $$)))
1679 $$ = scm_cons ($$, $3);
1682 $$ = scm_cons (loc_on_music (@3, $1), $3);
1683 MYBACKUP (SCM_ARG, $4, @4);
1687 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup post_event_nofinger
1689 if (scm_is_true (scm_call_1 ($2, $4)))
1691 $$ = scm_cons ($4, $3);
1693 $$ = scm_cons (loc_on_music (@3, $1), $3);
1694 MYBACKUP (EVENT_IDENTIFIER, $4, @4);
1697 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup pitch
1701 ($2, make_music_from_simple
1705 MYREPARSE (@4, $2, PITCH_IDENTIFIER, $4);
1706 } else if (scm_is_true (scm_call_1 ($2, $4)))
1707 $$ = scm_cons ($4, $3);
1709 $$ = scm_cons (loc_on_music (@3, $1), $3);
1710 MYBACKUP (PITCH_IDENTIFIER, $4, @4);
1713 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup steno_tonic_pitch
1717 ($2, make_music_from_simple
1721 MYREPARSE (@4, $2, TONICNAME_PITCH, $4);
1722 } else if (scm_is_true (scm_call_1 ($2, $4)))
1723 $$ = scm_cons ($4, $3);
1725 $$ = scm_cons (loc_on_music (@3, $1), $3);
1726 MYBACKUP (TONICNAME_PITCH, $4, @4);
1729 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup full_markup
1731 if (scm_is_true (scm_call_1 ($2, $4)))
1732 $$ = scm_cons ($4, $3);
1734 $$ = scm_cons (loc_on_music (@3, $1), $3);
1735 MYBACKUP (LYRIC_ELEMENT, $4, @4);
1738 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup UNSIGNED
1740 if (scm_is_true (scm_call_1 ($2, $4)))
1742 MYREPARSE (@4, $2, REAL, $4);
1745 SCM d = make_duration ($4);
1746 if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($2, d)))
1748 $$ = scm_cons (loc_on_music (@3, $1), $3);
1749 MYBACKUP (UNSIGNED, $4, @4);
1751 MYREPARSE (@4, $2, DURATION_IDENTIFIER, d);
1756 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup REAL
1758 if (scm_is_true (scm_call_1 ($2, $4)))
1761 MYREPARSE (@4, $2, REAL, $4);
1763 $$ = scm_cons (loc_on_music (@3, $1), $3);
1764 MYBACKUP (REAL, $4, @4);
1767 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup NUMBER_IDENTIFIER
1769 if (scm_is_true (scm_call_1 ($2, $4)))
1771 $$ = scm_cons ($4, $3);
1773 $$ = scm_cons (loc_on_music (@3, $1), $3);
1774 MYBACKUP (NUMBER_IDENTIFIER, $4, @4);
1777 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' UNSIGNED
1779 SCM n = scm_difference ($5, SCM_UNDEFINED);
1780 if (scm_is_true (scm_call_1 ($2, n))) {
1782 MYREPARSE (@5, $2, REAL, n);
1784 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @5);
1785 t->set_property ("digit", $5);
1786 $$ = t->unprotect ();
1787 if (scm_is_true (scm_call_1 ($2, $$)))
1788 $$ = scm_cons ($$, $3);
1790 $$ = scm_cons (loc_on_music (@3, $1), $3);
1791 MYBACKUP (UNSIGNED, $5, @5);
1792 parser->lexer_->push_extra_token (@4, '-');
1796 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' REAL
1798 SCM n = scm_difference ($5, SCM_UNDEFINED);
1799 if (scm_is_true (scm_call_1 ($2, n))) {
1800 MYREPARSE (@5, $2, REAL, n);
1803 $$ = scm_cons (loc_on_music (@3, $1), $3);
1804 MYBACKUP (REAL, n, @5);
1807 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup '-' NUMBER_IDENTIFIER
1809 SCM n = scm_difference ($5, SCM_UNDEFINED);
1810 if (scm_is_true (scm_call_1 ($2, n))) {
1811 $$ = scm_cons (n, $3);
1813 $$ = scm_cons (loc_on_music (@3, $1), $3);
1814 MYBACKUP (NUMBER_IDENTIFIER, n, @5);
1817 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup DURATION_IDENTIFIER
1819 if (scm_is_true (scm_call_1 ($2, $4)))
1821 MYREPARSE (@4, $2, DURATION_IDENTIFIER, $4);
1824 $$ = scm_cons (loc_on_music (@3, $1), $3);
1825 MYBACKUP (DURATION_IDENTIFIER, $4, @4);
1828 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup SCM_IDENTIFIER
1830 SCM res = try_string_variants ($2, $4);
1831 if (!SCM_UNBNDP (res))
1832 if (scm_is_pair (res)) {
1834 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1837 $$ = scm_cons (res, $3);
1839 $$ = scm_cons (loc_on_music (@3, $1), $3);
1840 MYBACKUP (SCM_IDENTIFIER, $4, @4);
1843 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_backup STRING
1845 SCM res = try_string_variants ($2, $4);
1846 if (!SCM_UNBNDP (res))
1847 if (scm_is_pair (res)) {
1849 MYREPARSE (@4, $2, SYMBOL_LIST, res);
1852 $$ = scm_cons (res, $3);
1854 $$ = scm_cons (loc_on_music (@3, $1), $3);
1855 MYBACKUP (STRING, $4, @4);
1858 | function_arglist_backup REPARSE pitch_or_music
1860 if (scm_is_true (scm_call_1 ($2, $3)))
1861 $$ = scm_cons ($3, $1);
1863 $$ = check_scheme_arg (parser, @3,
1864 make_music_from_simple
1868 | function_arglist_backup REPARSE bare_number_common
1870 $$ = check_scheme_arg (parser, @3,
1873 | function_arglist_backup REPARSE duration_length
1875 $$ = check_scheme_arg (parser, @3,
1878 | function_arglist_backup REPARSE symbol_list_arg
1880 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1885 function_arglist_nonbackup
1886 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_nonbackup DEFAULT
1888 $$ = scm_cons (loc_on_music (@4, $1), $3);
1892 function_arglist_skip_nonbackup:
1893 function_arglist_nonbackup
1894 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_nonbackup
1896 $$ = scm_cons (loc_on_music (@3, $1), $3);
1900 function_arglist_common:
1901 EXPECT_NO_MORE_ARGS {
1904 | EXPECT_SCM function_arglist_optional embedded_scm_arg
1906 if (scm_is_true (scm_call_1 ($1, $3)))
1907 $$ = scm_cons ($3, $2);
1909 $$ = check_scheme_arg (parser, @3,
1910 make_music_from_simple
1914 | EXPECT_SCM function_arglist_optional bare_number_common
1916 $$ = check_scheme_arg (parser, @3,
1919 | EXPECT_SCM function_arglist_optional post_event_nofinger
1921 $$ = check_scheme_arg (parser, @3,
1924 | EXPECT_SCM function_arglist_optional '-' NUMBER_IDENTIFIER
1926 SCM n = scm_difference ($4, SCM_UNDEFINED);
1927 $$ = check_scheme_arg (parser, @4, n, $2, $1);
1929 | function_arglist_common_reparse REPARSE SCM_ARG
1931 $$ = check_scheme_arg (parser, @3,
1934 | function_arglist_common_reparse REPARSE lyric_element_music
1936 $$ = check_scheme_arg (parser, @3,
1939 | function_arglist_common_reparse REPARSE pitch_or_music
1941 if (scm_is_true (scm_call_1 ($2, $3)))
1942 $$ = scm_cons ($3, $1);
1944 $$ = check_scheme_arg (parser, @3,
1945 make_music_from_simple
1949 | function_arglist_common_reparse REPARSE bare_number_common
1951 $$ = check_scheme_arg (parser, @3,
1954 | function_arglist_common_reparse REPARSE duration_length
1956 $$ = check_scheme_arg (parser, @3,
1959 | function_arglist_common_reparse REPARSE symbol_list_arg
1961 $$ = check_scheme_arg (parser, @3, $3, $1, $2);
1965 function_arglist_common_reparse:
1966 EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
1969 SCM res = try_string_variants ($1, $3);
1970 if (!SCM_UNBNDP (res))
1971 if (scm_is_pair (res))
1972 MYREPARSE (@3, $1, SYMBOL_LIST, res);
1974 MYREPARSE (@3, $1, SCM_ARG, res);
1975 else if (scm_is_true
1977 ($1, make_music_from_simple (parser, @3, $3))))
1978 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
1980 // This is going to flag a syntax error, we
1981 // know the predicate to be false.
1982 MYREPARSE (@3, $1, SCM_ARG, $3);
1984 | EXPECT_SCM function_arglist_optional pitch
1989 ($1, make_music_from_simple
1991 MYREPARSE (@3, $1, PITCH_IDENTIFIER, $3);
1993 MYREPARSE (@3, $1, SCM_ARG, $3);
1995 | EXPECT_SCM function_arglist_optional steno_tonic_pitch
2000 ($1, make_music_from_simple
2002 MYREPARSE (@3, $1, TONICNAME_PITCH, $3);
2004 MYREPARSE (@3, $1, SCM_ARG, $3);
2006 | EXPECT_SCM function_arglist_optional STRING
2009 SCM res = try_string_variants ($1, $3);
2010 if (!SCM_UNBNDP (res))
2011 if (scm_is_pair (res))
2012 MYREPARSE (@3, $1, SYMBOL_LIST, res);
2014 MYREPARSE (@3, $1, SCM_ARG, res);
2015 else if (scm_is_true
2017 ($1, make_music_from_simple (parser, @3, $3))))
2018 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
2020 // This is going to flag a syntax error, we
2021 // know the predicate to be false.
2022 MYREPARSE (@3, $1, SCM_ARG, $3);
2024 | EXPECT_SCM function_arglist_optional full_markup
2027 if (scm_is_true (scm_call_1 ($1, $3)))
2028 MYREPARSE (@3, $1, SCM_ARG, $3);
2029 else if (scm_is_true
2031 ($1, make_music_from_simple (parser, @3, $3))))
2032 MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
2034 // This is going to flag a syntax error, we
2035 // know the predicate to be false.
2036 MYREPARSE (@3, $1, SCM_ARG, $3);
2038 | EXPECT_SCM function_arglist_optional UNSIGNED
2041 if (scm_is_true (scm_call_1 ($1, $3)))
2042 MYREPARSE (@3, $1, REAL, $3);
2044 SCM d = make_duration ($3);
2045 if (SCM_UNBNDP (d) || scm_is_false (scm_call_1 ($1, d)))
2046 MYREPARSE (@3, $1, REAL, $3);
2048 MYREPARSE (@3, $1, DURATION_IDENTIFIER, d);
2051 | EXPECT_SCM function_arglist_optional DURATION_IDENTIFIER
2054 MYREPARSE (@3, $1, DURATION_IDENTIFIER, $3);
2056 | EXPECT_SCM function_arglist_optional '-' UNSIGNED
2059 SCM n = scm_difference ($4, SCM_UNDEFINED);
2060 if (scm_is_true (scm_call_1 ($1, n)))
2061 MYREPARSE (@4, $1, REAL, n);
2063 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @4);
2064 t->set_property ("digit", $4);
2065 SCM m = t->unprotect ();
2066 if (scm_is_true (scm_call_1 ($1, m)))
2067 MYREPARSE (@4, $1, SCM_ARG, m);
2069 MYREPARSE (@4, $1, SCM_ARG, $4);
2072 | EXPECT_SCM function_arglist_optional '-' REAL
2075 SCM n = scm_difference ($4, SCM_UNDEFINED);
2076 MYREPARSE (@4, $1, REAL, n);
2080 function_arglist_optional:
2081 function_arglist_backup
2082 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_backup DEFAULT
2084 $$ = scm_cons (loc_on_music (@4, $1), $3);
2086 | function_arglist_skip_backup BACKUP
2089 function_arglist_skip_backup:
2090 function_arglist_backup
2091 | EXPECT_OPTIONAL EXPECT_SCM function_arglist_skip_backup
2093 $$ = scm_cons (loc_on_music (@3, $1), $3);
2097 music_function_call:
2098 MUSIC_FUNCTION function_arglist {
2099 $$ = MAKE_SYNTAX ("music-function", @$,
2106 /**/ { $$ = SCM_EOL; }
2107 | '=' simple_string {
2112 // We must not have lookahead tokens parsed in lyric mode. In order
2113 // to save confusion, we take almost the same set as permitted with
2114 // \lyricmode and/or \lyrics. However, music identifiers are also
2115 // allowed, and they obviously do not require switching into lyrics
2116 // mode for parsing.
2120 parser->lexer_->push_lyric_state ();
2121 } grouped_music_list
2123 parser->lexer_->pop_state ();
2131 | repeated_music { $$ = $1; }
2132 | re_rhythmed_music { $$ = $1; }
2133 | complex_music_prefix music
2135 $$ = FINISH_MAKE_SYNTAX ($1, @$, $2);
2139 complex_music_prefix:
2140 CONTEXT symbol optional_id optional_context_mod {
2141 Context_mod *ctxmod = unsmob_context_mod ($4);
2144 mods = ctxmod->get_mods ();
2145 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_F);
2147 | NEWCONTEXT symbol optional_id optional_context_mod {
2148 Context_mod *ctxmod = unsmob_context_mod ($4);
2151 mods = ctxmod->get_mods ();
2152 $$ = START_MAKE_SYNTAX ("context-specification", $2, $3, mods, SCM_BOOL_T);
2157 mode_changing_head grouped_music_list {
2158 if ($1 == ly_symbol2scm ("chords"))
2160 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
2166 parser->lexer_->pop_state ();
2168 | mode_changing_head_with_context optional_context_mod grouped_music_list {
2169 Context_mod *ctxmod = unsmob_context_mod ($2);
2172 mods = ctxmod->get_mods ();
2173 $$ = MAKE_SYNTAX ("context-specification", @$, $1, SCM_EOL, mods, SCM_BOOL_T, $3);
2174 if ($1 == ly_symbol2scm ("ChordNames"))
2176 $$ = MAKE_SYNTAX ("unrelativable-music", @$, $$);
2178 parser->lexer_->pop_state ();
2184 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
2185 parser->lexer_->push_note_state (nn);
2187 $$ = ly_symbol2scm ("notes");
2191 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
2192 parser->lexer_->push_note_state (nn);
2194 $$ = ly_symbol2scm ("drums");
2197 parser->lexer_->push_figuredbass_state ();
2199 $$ = ly_symbol2scm ("figures");
2202 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
2203 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
2204 nn = parser->lexer_->lookup_identifier ("pitchnames");
2205 parser->lexer_->push_chord_state (nn);
2206 $$ = ly_symbol2scm ("chords");
2210 { parser->lexer_->push_lyric_state ();
2211 $$ = ly_symbol2scm ("lyrics");
2215 mode_changing_head_with_context:
2217 SCM nn = parser->lexer_->lookup_identifier ("drumPitchNames");
2218 parser->lexer_->push_note_state (nn);
2220 $$ = ly_symbol2scm ("DrumStaff");
2223 parser->lexer_->push_figuredbass_state ();
2225 $$ = ly_symbol2scm ("FiguredBass");
2228 SCM nn = parser->lexer_->lookup_identifier ("chordmodifiers");
2229 parser->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
2230 nn = parser->lexer_->lookup_identifier ("pitchnames");
2231 parser->lexer_->push_chord_state (nn);
2232 $$ = ly_symbol2scm ("ChordNames");
2235 { parser->lexer_->push_lyric_state ();
2236 $$ = ly_symbol2scm ("Lyrics");
2241 ADDLYRICS lyric_mode_music {
2242 $$ = scm_list_1 ($2);
2244 | new_lyrics ADDLYRICS lyric_mode_music {
2245 $$ = scm_cons ($3, $1);
2250 composite_music new_lyrics {
2251 $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
2253 | LYRICSTO simple_string lyric_mode_music {
2254 $$ = MAKE_SYNTAX ("lyric-combine", @$, $2, $3);
2259 CHANGE symbol '=' simple_string {
2260 $$ = MAKE_SYNTAX ("context-change", @$, $2, $4);
2267 $$ = scm_reverse_x ($1, SCM_EOL);
2269 | symbol_list_rev property_path {
2270 $$ = scm_reverse_x ($1, $2);
2276 $$ = scm_list_3 (ly_symbol2scm ("assign"), $1, $3);
2279 $$ = scm_list_2 (ly_symbol2scm ("unset"), $2);
2281 | OVERRIDE property_path '=' scalar {
2282 if (scm_ilength ($2) < 2) {
2283 parser->parser_error (@2, _("bad grob property path"));
2286 $$ = scm_cons (ly_symbol2scm ("push"),
2287 scm_cons2 (scm_car ($2),
2292 | REVERT revert_arg {
2293 $$ = scm_cons (ly_symbol2scm ("pop"), $2);
2297 // This is all quite awkward for the sake of substantial backward
2298 // compatibility while at the same time allowing a more "natural" form
2299 // of specification not separating grob specification from grob
2300 // property path. The purpose of this definition of revert_arg is to
2301 // allow the symbol list which specifies grob and property to revert
2302 // to be optionally be split into two parts after the grob (which in
2303 // this case is just the first element of the list). symbol_list_part
2304 // is only one path component, but it can be parsed without lookahead,
2305 // so we can follow it with a synthetic BACKUP token when needed. If
2306 // the first symbol_list_part already contains multiple elements (only
2307 // possible if a Scheme expression provides them), we just parse for
2308 // additional elements introduced by '.', which is what the
2309 // SYMBOL_LIST backup in connection with the immediately following
2310 // rule using symbol_list_arg does.
2312 // As long as we don't have our coffers filled with both grob and at
2313 // least one grob property specification, the rest of the required
2314 // symbol list chain may be provided either with or without a leading
2315 // dot. This is for both allowing the traditional
2316 // \revert Accidental #'color
2317 // as well as well as the "naive" form
2318 // \revert Accidental.color
2321 revert_arg_backup BACKUP symbol_list_arg
2330 if (scm_is_null ($1)
2331 || scm_is_null (scm_cdr ($1)))
2332 MYBACKUP (SCM_ARG, $1, @1);
2334 MYBACKUP (SYMBOL_LIST, scm_reverse_x ($1, SCM_EOL), @1);
2338 // revert_arg_part delivers results in reverse
2341 | revert_arg_backup BACKUP SCM_ARG '.' symbol_list_part
2343 $$ = scm_append_x (scm_list_2 ($5, $3));
2345 | revert_arg_backup BACKUP SCM_ARG symbol_list_part
2347 $$ = scm_append_x (scm_list_2 ($4, $3));
2352 CONSISTS { $$ = ly_symbol2scm ("consists"); }
2353 | REMOVE { $$ = ly_symbol2scm ("remove"); }
2355 | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
2356 | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
2357 | DENIES { $$ = ly_symbol2scm ("denies"); }
2359 | ALIAS { $$ = ly_symbol2scm ("alias"); }
2360 | TYPE { $$ = ly_symbol2scm ("translator-type"); }
2361 | DESCRIPTION { $$ = ly_symbol2scm ("description"); }
2362 | NAME { $$ = ly_symbol2scm ("context-name"); }
2366 property_operation { $$ = $1; }
2367 | context_def_mod STRING {
2368 $$ = scm_list_2 ($1, $2);
2370 | context_def_mod embedded_scm
2372 if (!scm_is_string ($2)
2373 && ly_symbol2scm ("consists") != $1
2374 && ly_symbol2scm ("remove") != $1)
2377 parser->parser_error (@1, _ ("only \\consists and \\remove take non-string argument."));
2381 $$ = scm_list_2 ($1, $2);
2386 // If defined, at least two members.
2390 SCM l = scm_reverse_x ($1, SCM_EOL);
2393 (scm_object_property (scm_car (l),
2394 ly_symbol2scm ("is-grob?"))))
2395 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2396 if (scm_is_null (l) || scm_is_null (scm_cdr (l))) {
2397 parser->parser_error (@1, _ ("bad grob property path"));
2404 // If defined, at least three members
2408 if (!SCM_UNBNDP ($1) && scm_is_null (scm_cddr ($1)))
2410 parser->parser_error (@1, _ ("bad grob property path"));
2414 | grob_prop_spec property_path
2416 if (!SCM_UNBNDP ($1)) {
2417 $$ = scm_append_x (scm_list_2 ($1, $2));
2418 if (scm_is_null (scm_cddr ($$))) {
2419 parser->parser_error (@$, _ ("bad grob property path"));
2427 // Exactly two elements or undefined
2431 SCM l = scm_reverse_x ($1, SCM_EOL);
2432 switch (scm_ilength (l)) {
2434 l = scm_cons (ly_symbol2scm ("Bottom"), l);
2438 parser->parser_error (@1, _ ("bad context property path"));
2445 simple_music_property_def:
2446 OVERRIDE grob_prop_path '=' scalar {
2447 if (SCM_UNBNDP ($2))
2450 $$ = scm_list_5 (scm_car ($2),
2451 ly_symbol2scm ("OverrideProperty"),
2457 | REVERT simple_revert_context revert_arg {
2458 $$ = scm_list_4 ($2,
2459 ly_symbol2scm ("RevertProperty"),
2463 | SET context_prop_spec '=' scalar {
2464 if (SCM_UNBNDP ($2))
2467 $$ = scm_list_4 (scm_car ($2),
2468 ly_symbol2scm ("PropertySet"),
2472 | UNSET context_prop_spec {
2473 if (SCM_UNBNDP ($2))
2476 $$ = scm_list_3 (scm_car ($2),
2477 ly_symbol2scm ("PropertyUnset"),
2483 // This is all quite awkward for the sake of substantial backward
2484 // compatibility while at the same time allowing a more "natural" form
2485 // of specification not separating grob specification from grob
2486 // property path. The purpose of this definition of
2487 // simple_revert_context is to allow the symbol list which specifies
2488 // grob and property to revert to be optionally be split into two
2489 // parts after the grob (which may be preceded by a context
2490 // specification, a case which we distinguish by checking whether the
2491 // first symbol is a valid grob symbol instead).
2493 // See revert_arg above for the main work horse of this arrangement.
2494 // simple_revert_context just caters for the context and delegates the
2495 // rest of the job to revert_arg.
2497 simple_revert_context:
2500 $1 = scm_reverse_x ($1, SCM_EOL);
2501 if (scm_is_null ($1)
2503 (scm_object_property (scm_car ($1),
2504 ly_symbol2scm ("is-grob?")))) {
2505 $$ = ly_symbol2scm ("Bottom");
2506 parser->lexer_->push_extra_token (@1, SCM_IDENTIFIER, $1);
2509 parser->lexer_->push_extra_token (@1, SCM_IDENTIFIER,
2516 simple_music_property_def {
2517 if (SCM_UNBNDP ($1))
2518 $$ = MAKE_SYNTAX ("void-music", @1);
2520 $$ = LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("property-operation"), scm_cons2 (parser->self_scm (), make_input (@$), $1));
2531 simple_string: STRING {
2536 if (scm_is_string ($1)) {
2539 parser->parser_error (@1, (_ ("simple string expected")));
2540 $$ = scm_string (SCM_EOL);
2547 $$ = scm_string_to_symbol ($1);
2551 // This is a bit of overkill but makes the same
2552 // routine responsible for all symbol interpretations.
2553 $$ = try_string_variants (ly_lily_module_constant ("symbol?"),
2555 if (SCM_UNBNDP ($$))
2557 parser->parser_error (@1, (_ ("symbol expected")));
2558 // Generate a unique symbol in case it is used
2559 // for an assignment or similar
2560 $$ = scm_make_symbol (ly_string2scm ("undefined"));
2570 // The following is a rather defensive variant of admitting
2571 // negative numbers: the grammar would permit number_factor or
2572 // even number_expression. However, function arguments allow
2573 // only this simple kind of negative number, so to have things
2574 // like \tweak and \override behave reasonably similar, it
2575 // makes sense to rule out things like -- which are rather an
2576 // accent in function argument contexts.
2579 $$ = scm_difference ($2, SCM_UNDEFINED);
2585 simple_element post_events {
2586 // Let the rhythmic music iterator sort this mess out.
2587 if (scm_is_pair ($2)) {
2588 unsmob_music ($$)->set_property ("articulations",
2589 scm_reverse_x ($2, SCM_EOL));
2592 | CHORD_REPETITION optional_notemode_duration post_events {
2594 i.set_location (@1, @3);
2595 $$ = MAKE_SYNTAX ("repetition-chord", i,
2596 $2, scm_reverse_x ($3, SCM_EOL));
2598 | MULTI_MEASURE_REST optional_notemode_duration post_events {
2600 i.set_location (@1, @3);
2601 $$ = MAKE_SYNTAX ("multi-measure-rest", i, $2,
2602 scm_reverse_x ($3, SCM_EOL));
2605 | note_chord_element
2610 chord_body optional_notemode_duration post_events
2612 Music *m = unsmob_music ($1);
2613 SCM dur = unsmob_duration ($2)->smobbed_copy ();
2614 SCM es = m->get_property ("elements");
2615 SCM postevs = scm_reverse_x ($3, SCM_EOL);
2617 for (SCM s = es; scm_is_pair (s); s = scm_cdr (s))
2618 unsmob_music (scm_car (s))->set_property ("duration", dur);
2619 es = ly_append2 (es, postevs);
2621 m-> set_property ("elements", es);
2623 $$ = m->self_scm ();
2628 ANGLE_OPEN chord_body_elements ANGLE_CLOSE
2630 $$ = MAKE_SYNTAX ("event-chord", @$, scm_reverse_x ($2, SCM_EOL));
2634 chord_body_elements:
2635 /* empty */ { $$ = SCM_EOL; }
2636 | chord_body_elements chord_body_element {
2637 if (!SCM_UNBNDP ($2))
2638 $$ = scm_cons ($2, $1);
2643 pitch exclamations questions octave_check post_events
2645 bool q = to_boolean ($3);
2646 bool ex = to_boolean ($2);
2650 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2651 n->set_property ("pitch", $1);
2653 n->set_property ("cautionary", SCM_BOOL_T);
2655 n->set_property ("force-accidental", SCM_BOOL_T);
2657 if (scm_is_pair (post)) {
2658 SCM arts = scm_reverse_x (post, SCM_EOL);
2659 n->set_property ("articulations", arts);
2661 if (scm_is_number (check))
2663 int q = scm_to_int (check);
2664 n->set_property ("absolute-octave", scm_from_int (q-1));
2667 $$ = n->unprotect ();
2669 | DRUM_PITCH post_events {
2670 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
2671 n->set_property ("drum-type", $1);
2673 if (scm_is_pair ($2)) {
2674 SCM arts = scm_reverse_x ($2, SCM_EOL);
2675 n->set_property ("articulations", arts);
2677 $$ = n->unprotect ();
2679 | music_function_chord_body
2681 Music *m = unsmob_music ($1);
2683 while (m && m->is_mus_type ("music-wrapper-music")) {
2684 $$ = m->get_property ("element");
2685 m = unsmob_music ($$);
2688 if (!(m && m->is_mus_type ("rhythmic-event"))) {
2689 parser->parser_error (@$, _ ("not a rhythmic event"));
2695 music_function_chord_body:
2701 event_function_event:
2702 EVENT_FUNCTION function_arglist {
2703 $$ = MAKE_SYNTAX ("music-function", @$,
2712 | post_events post_event {
2714 if (Music *m = unsmob_music ($2))
2716 if (m->is_mus_type ("post-event-wrapper"))
2718 for (SCM p = m->get_property ("elements");
2722 $$ = scm_cons (scm_car (p), $$);
2726 $$ = scm_cons ($2, $$);
2732 post_event_nofinger:
2733 direction_less_event {
2736 | script_dir music_function_call {
2738 if (!unsmob_music ($2)->is_mus_type ("post-event")) {
2739 parser->parser_error (@2, _ ("post-event expected"));
2740 $$ = SCM_UNSPECIFIED;
2741 } else if (!SCM_UNBNDP ($1))
2743 unsmob_music ($$)->set_property ("direction", $1);
2747 if (!parser->lexer_->is_lyric_state ())
2748 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2749 $$ = MY_MAKE_MUSIC ("HyphenEvent", @$)->unprotect ();
2752 if (!parser->lexer_->is_lyric_state ())
2753 parser->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
2754 $$ = MY_MAKE_MUSIC ("ExtenderEvent", @$)->unprotect ();
2756 | script_dir direction_reqd_event {
2757 if (!SCM_UNBNDP ($1))
2759 Music *m = unsmob_music ($2);
2760 m->set_property ("direction", $1);
2764 | script_dir direction_less_event {
2765 if (!SCM_UNBNDP ($1))
2767 Music *m = unsmob_music ($2);
2768 m->set_property ("direction", $1);
2775 unsmob_music ($$)->set_property ("direction", scm_from_int (UP));
2780 unsmob_music ($$)->set_property ("direction", scm_from_int (DOWN));
2791 string_number_event:
2793 Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
2794 s->set_property ("string-number", $1);
2795 $$ = s->unprotect ();
2799 direction_less_event:
2801 | EVENT_IDENTIFIER {
2805 Music *a = MY_MAKE_MUSIC ("TremoloEvent", @$);
2806 a->set_property ("tremolo-type", $1);
2807 $$ = a->unprotect ();
2809 | event_function_event
2812 direction_reqd_event:
2816 | script_abbreviation {
2817 SCM s = parser->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
2818 if (scm_is_string (s)) {
2819 Music *a = MY_MAKE_MUSIC ("ArticulationEvent", @$);
2820 a->set_property ("articulation-type", s);
2821 $$ = a->unprotect ();
2823 Music *original = unsmob_music (s);
2824 if (original && original->is_mus_type ("post-event")) {
2825 Music *a = original->clone ();
2826 a->set_spot (parser->lexer_->override_input (@$));
2827 $$ = a->unprotect ();
2829 parser->parser_error (@1, _ ("expecting string or post-event as script definition"));
2830 $$ = MY_MAKE_MUSIC ("PostEvents", @$)->unprotect ();
2837 /**/ { $$ = SCM_EOL; }
2838 | '=' quotes { $$ = $2; }
2852 $$ = scm_from_int (1);
2855 $$ = scm_oneplus ($1);
2861 $$ = scm_from_int (-1);
2864 $$ = scm_oneminus ($1);
2869 NOTENAME_PITCH quotes {
2870 if (!scm_is_eq (SCM_INUM0, $2))
2872 Pitch p = *unsmob_pitch ($1);
2873 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2874 $$ = p.smobbed_copy ();
2884 TONICNAME_PITCH quotes {
2885 if (!scm_is_eq (SCM_INUM0, $2))
2887 Pitch p = *unsmob_pitch ($1);
2888 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2889 $$ = p.smobbed_copy ();
2896 | PITCH_IDENTIFIER quotes {
2897 if (!scm_is_eq (SCM_INUM0, $2))
2899 Pitch p = *unsmob_pitch ($1);
2900 p = p.transposed (Pitch (scm_to_int ($2),0,0));
2901 $$ = p.smobbed_copy ();
2908 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2909 t->set_property ("text", $1);
2910 $$ = t->unprotect ();
2913 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2914 t->set_property ("text",
2915 make_simple_markup ($1));
2916 $$ = t->unprotect ();
2920 Music *m = unsmob_music ($1);
2921 if (m && m->is_mus_type ("post-event"))
2923 else if (Text_interface::is_markup ($1)) {
2924 Music *t = MY_MAKE_MUSIC ("TextScriptEvent", @$);
2925 t->set_property ("text", $1);
2926 $$ = t->unprotect ();
2928 parser->parser_error (@1, _ ("not an articulation"));
2934 Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
2935 t->set_property ("digit", $1);
2936 $$ = t->unprotect ();
2940 script_abbreviation:
2942 $$ = scm_from_locale_string ("Hat");
2945 $$ = scm_from_locale_string ("Plus");
2948 $$ = scm_from_locale_string ("Dash");
2951 $$ = scm_from_locale_string ("Bang");
2954 $$ = scm_from_locale_string ("Larger");
2957 $$ = scm_from_locale_string ("Dot");
2960 $$ = scm_from_locale_string ("Underscore");
2965 '_' { $$ = scm_from_int (DOWN); }
2966 | '^' { $$ = scm_from_int (UP); }
2967 | '-' { $$ = SCM_UNDEFINED; }
2971 multiplied_duration {
2976 maybe_notemode_duration:
2980 | multiplied_duration {
2982 parser->default_duration_ = *unsmob_duration ($$);
2987 optional_notemode_duration:
2988 maybe_notemode_duration
2990 if (SCM_UNBNDP ($$))
2991 $$ = parser->default_duration_.smobbed_copy ();
2997 $$ = make_duration ($1, scm_to_int ($2));
2998 if (SCM_UNBNDP ($$))
3000 parser->parser_error (@1, _ ("not a duration"));
3001 $$ = Duration ().smobbed_copy ();
3004 | DURATION_IDENTIFIER dots {
3005 Duration *d = unsmob_duration ($1);
3006 Duration k (d->duration_log (),
3007 d->dot_count () + scm_to_int ($2));
3008 k = k.compressed (d->factor ());
3009 scm_remember_upto_here_1 ($1);
3010 $$ = k.smobbed_copy ();
3014 multiplied_duration:
3018 | multiplied_duration '*' UNSIGNED {
3019 $$ = unsmob_duration ($$)->compressed (scm_to_int ($3)).smobbed_copy ();
3021 | multiplied_duration '*' FRACTION {
3022 Rational m (scm_to_int (scm_car ($3)), scm_to_int (scm_cdr ($3)));
3024 $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
3033 $$ = scm_oneplus ($1);
3039 $$ = scm_from_int (parser->default_tremolo_type_);
3042 if (SCM_UNBNDP (make_duration ($2))) {
3043 parser->parser_error (@2, _ ("not a duration"));
3044 $$ = scm_from_int (parser->default_tremolo_type_);
3047 parser->default_tremolo_type_ = scm_to_int ($2);
3053 UNSIGNED { $$ = $1; }
3054 | STRING { $$ = $1; }
3055 | full_markup { $$ = $1; }
3058 // as an integer, it needs to be non-negative, and otherwise
3059 // it needs to be suitable as a markup.
3060 if (scm_is_integer ($1)
3061 ? scm_is_true (scm_negative_p ($1))
3062 : !Text_interface::is_markup ($1))
3064 parser->parser_error (@1, _ ("bass number expected"));
3070 figured_bass_alteration:
3071 '-' { $$ = ly_rational2scm (FLAT_ALTERATION); }
3072 | '+' { $$ = ly_rational2scm (SHARP_ALTERATION); }
3073 | '!' { $$ = scm_from_int (0); }
3078 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
3079 $$ = bfr->unprotect ();
3082 Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent", @$);
3083 $$ = bfr->self_scm ();
3085 if (scm_is_number ($1))
3086 bfr->set_property ("figure", $1);
3087 else if (Text_interface::is_markup ($1))
3088 bfr->set_property ("text", $1);
3094 unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
3096 | bass_figure figured_bass_alteration {
3097 Music *m = unsmob_music ($1);
3098 if (scm_to_double ($2)) {
3099 SCM salter = m->get_property ("alteration");
3100 SCM alter = scm_is_number (salter) ? salter : scm_from_int (0);
3101 m->set_property ("alteration",
3102 scm_sum (alter, $2));
3104 m->set_property ("alteration", scm_from_int (0));
3107 | bass_figure figured_bass_modification {
3108 Music *m = unsmob_music ($1);
3109 m->set_property ($2, SCM_BOOL_T);
3114 figured_bass_modification:
3116 $$ = ly_symbol2scm ("augmented");
3119 $$ = ly_symbol2scm ("no-continuation");
3122 $$ = ly_symbol2scm ("diminished");
3125 $$ = ly_symbol2scm ("augmented-slash");
3135 unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
3143 | figure_list br_bass_figure {
3144 $$ = scm_cons ($2, $1);
3149 FIGURE_OPEN figure_list FIGURE_CLOSE {
3150 $$ = scm_reverse_x ($2, SCM_EOL);
3156 /**/ { $$ = SCM_BOOL_F; }
3157 | REST { $$ = SCM_BOOL_T; }
3161 pitch exclamations questions octave_check maybe_notemode_duration optional_rest post_events {
3162 if (!parser->lexer_->is_note_state ())
3163 parser->parser_error (@1, _ ("have to be in Note mode for notes"));
3164 if (!SCM_UNBNDP ($2)
3166 || scm_is_number ($4)
3169 || scm_is_pair ($7))
3172 if (scm_is_true ($6))
3173 n = MY_MAKE_MUSIC ("RestEvent", @$);
3175 n = MY_MAKE_MUSIC ("NoteEvent", @$);
3177 n->set_property ("pitch", $1);
3178 if (SCM_UNBNDP ($5))
3179 n->set_property ("duration",
3180 parser->default_duration_.smobbed_copy ());
3182 n->set_property ("duration", $5);
3184 if (scm_is_number ($4))
3186 int q = scm_to_int ($4);
3187 n->set_property ("absolute-octave", scm_from_int (q-1));
3190 if (to_boolean ($3))
3191 n->set_property ("cautionary", SCM_BOOL_T);
3192 if (to_boolean ($2) || to_boolean ($3))
3193 n->set_property ("force-accidental", SCM_BOOL_T);
3194 if (scm_is_pair ($7))
3195 n->set_property ("articulations",
3196 scm_reverse_x ($7, SCM_EOL));
3197 $$ = n->unprotect ();
3200 | simple_chord_elements post_events {
3201 if (scm_is_pair ($2)) {
3202 if (unsmob_pitch ($1))
3203 $1 = make_chord_elements (@1,
3205 parser->default_duration_.smobbed_copy (),
3208 SCM elts = ly_append2 ($1, scm_reverse_x ($2, SCM_EOL));
3210 $$ = MAKE_SYNTAX ("event-chord", @1, elts);
3211 } else if (!unsmob_pitch ($1))
3212 $$ = MAKE_SYNTAX ("event-chord", @1, $1);
3213 // A mere pitch drops through.
3218 DRUM_PITCH optional_notemode_duration {
3219 Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
3220 n->set_property ("duration", $2);
3221 n->set_property ("drum-type", $1);
3223 $$ = n->unprotect ();
3225 | RESTNAME optional_notemode_duration {
3227 if (ly_scm2string ($1) == "s") {
3229 ev = MY_MAKE_MUSIC ("SkipEvent", @$);
3232 ev = MY_MAKE_MUSIC ("RestEvent", @$);
3235 ev->set_property ("duration", $2);
3236 $$ = ev->unprotect ();
3240 // Can return a single pitch rather than a list.
3241 simple_chord_elements:
3243 if (!parser->lexer_->is_chord_state ())
3244 parser->parser_error (@1, _ ("have to be in Chord mode for chords"));
3247 | figure_spec optional_notemode_duration {
3248 for (SCM s = $1; scm_is_pair (s); s = scm_cdr (s))
3250 unsmob_music (scm_car (s))->set_property ("duration", $2);
3258 if (!parser->lexer_->is_lyric_state ())
3259 parser->parser_error (@1, _ ("markup outside of text script or \\lyricmode"));
3263 if (!parser->lexer_->is_lyric_state ())
3264 parser->parser_error (@1, _ ("unrecognized string, not in text script or \\lyricmode"));
3270 lyric_element_music:
3271 lyric_element optional_notemode_duration post_events {
3272 $$ = MAKE_SYNTAX ("lyric-event", @$, $1, $2);
3273 if (scm_is_pair ($3))
3274 unsmob_music ($$)->set_property
3275 ("articulations", scm_reverse_x ($3, SCM_EOL));
3279 // Can return a single pitch rather than a list.
3281 steno_tonic_pitch maybe_notemode_duration {
3282 if (SCM_UNBNDP ($2))
3285 $$ = make_chord_elements (@$, $1, $2, SCM_EOL);
3287 | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
3288 SCM its = scm_reverse_x ($4, SCM_EOL);
3289 $$ = make_chord_elements (@$, $1, $2, scm_cons ($3, its));
3297 | chord_items chord_item {
3298 $$ = scm_cons ($2, $$);
3304 $$ = ly_symbol2scm ("chord-colon");
3307 $$ = ly_symbol2scm ("chord-caret");
3309 | CHORD_SLASH steno_tonic_pitch {
3310 $$ = scm_list_2 (ly_symbol2scm ("chord-slash"), $2);
3312 | CHORD_BASS steno_tonic_pitch {
3313 $$ = scm_list_2 (ly_symbol2scm ("chord-bass"), $2);
3322 $$ = scm_reverse_x ($1, SCM_EOL);
3330 step_number { $$ = scm_cons ($1, SCM_EOL); }
3331 | step_numbers '.' step_number {
3332 $$ = scm_cons ($3, $$);
3338 $$ = make_chord_step ($1, 0);
3341 $$ = make_chord_step ($1, SHARP_ALTERATION);
3343 | UNSIGNED CHORD_MINUS {
3344 $$ = make_chord_step ($1, FLAT_ALTERATION);
3352 | unsigned_number '-' unsigned_number {
3353 $$ = scm_cons ($1, $3);
3360 TODO: should deprecate in favor of Scheme?
3364 number_expression '+' number_term {
3365 $$ = scm_sum ($1, $3);
3367 | number_expression '-' number_term {
3368 $$ = scm_difference ($1, $3);
3377 | number_factor '*' number_factor {
3378 $$ = scm_product ($1, $3);
3380 | number_factor '/' number_factor {
3381 $$ = scm_divide ($1, $3);
3386 '-' number_factor { /* %prec UNARY_MINUS */
3387 $$ = scm_difference ($2, SCM_UNDEFINED);
3395 | REAL NUMBER_IDENTIFIER
3397 $$ = scm_product ($1, $2);
3404 | UNSIGNED NUMBER_IDENTIFIER {
3405 $$ = scm_product ($1, $2);
3413 if (!scm_is_integer ($1)
3414 || scm_is_true (scm_negative_p ($1)))
3416 parser->parser_error (@1, _("not an unsigned integer"));
3422 if (!scm_is_integer ($1)
3423 || scm_is_true (scm_negative_p ($1)))
3425 parser->parser_error (@1, _("not an unsigned integer"));
3432 { $$ = SCM_UNDEFINED; }
3435 if (SCM_UNBNDP ($1))
3443 // This precedence rule is rather weird. It triggers when '!' is
3444 // encountered after a pitch, and is used for deciding whether to save
3445 // this instead for a figure modification. This should not actually
3446 // occur in practice as pitches and figures are generated in different
3447 // modes. Using a greedy (%right) precedence makes sure that we don't
3448 // get stuck in a wrong interpretation.
3449 { $$ = SCM_UNDEFINED; } %prec ':'
3452 if (SCM_UNBNDP ($1))
3461 { parser->lexer_->push_markup_state (); }
3464 parser->lexer_->pop_state ();
3470 { parser->lexer_->push_markup_state (); }
3473 parser->lexer_->pop_state ();
3479 $$ = scm_list_2 (ly_lily_module_constant ("line-markup"), $1);
3481 | markup_head_1_list simple_markup
3483 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3484 @2, $1, scm_list_1 ($2)));
3494 if (Text_interface::is_markup ($1))
3495 MYBACKUP (MARKUP_IDENTIFIER, $1, @1);
3496 else if (Text_interface::is_markup_list ($1))
3497 MYBACKUP (MARKUPLIST_IDENTIFIER, $1, @1);
3499 parser->parser_error (@1, _ ("not a markup"));
3500 MYBACKUP (MARKUP_IDENTIFIER, scm_string (SCM_EOL), @1);
3507 markup_composed_list {
3510 | markup_uncomposed_list
3513 markup_uncomposed_list:
3514 markup_braced_list {
3517 | markup_command_list {
3518 $$ = scm_list_1 ($1);
3520 | markup_scm MARKUPLIST_IDENTIFIER
3525 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3526 parser->lexer_->push_note_state (nn);
3527 } '{' score_body '}' {
3528 Score *sc = unsmob_score ($4);
3529 sc->origin ()->set_spot (@$);
3530 if (sc->defs_.empty ()) {
3531 Output_def *od = get_layout (parser);
3532 sc->add_output_def (od);
3535 $$ = scm_list_1 (scm_list_2 (ly_lily_module_constant ("score-lines-markup-list"), $4));
3536 parser->lexer_->pop_state ();
3540 markup_composed_list:
3541 markup_head_1_list markup_uncomposed_list {
3542 $$ = MAKE_SYNTAX ("composed-markup-list",
3548 '{' markup_braced_list_body '}' {
3549 $$ = scm_reverse_x ($2, SCM_EOL);
3553 markup_braced_list_body:
3554 /* empty */ { $$ = SCM_EOL; }
3555 | markup_braced_list_body markup {
3556 $$ = scm_cons ($2, $1);
3558 | markup_braced_list_body markup_list {
3559 $$ = scm_reverse_x ($2, $1);
3563 markup_command_list:
3564 MARKUP_LIST_FUNCTION markup_command_list_arguments {
3565 $$ = scm_cons ($1, scm_reverse_x($2, SCM_EOL));
3569 markup_command_basic_arguments:
3570 EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
3571 $$ = scm_cons ($3, $2);
3573 | EXPECT_SCM markup_command_list_arguments embedded_scm {
3574 $$ = check_scheme_arg (parser, @3, $3, $2, $1);
3576 | EXPECT_NO_MORE_ARGS {
3581 markup_command_list_arguments:
3582 markup_command_basic_arguments { $$ = $1; }
3583 | EXPECT_MARKUP markup_command_list_arguments markup {
3584 $$ = scm_cons ($3, $2);
3589 MARKUP_FUNCTION EXPECT_MARKUP markup_command_list_arguments {
3590 $$ = scm_cons ($1, scm_reverse_x ($3, SCM_EOL));
3595 markup_head_1_item {
3596 $$ = scm_list_1 ($1);
3598 | markup_head_1_list markup_head_1_item {
3599 $$ = scm_cons ($2, $1);
3605 $$ = make_simple_markup ($1);
3608 SCM nn = parser->lexer_->lookup_identifier ("pitchnames");
3609 parser->lexer_->push_note_state (nn);
3610 } '{' score_body '}' {
3611 Score *sc = unsmob_score ($4);
3612 sc->origin ()->set_spot (@$);
3613 if (sc->defs_.empty ()) {
3614 Output_def *od = get_layout (parser);
3615 sc->add_output_def (od);
3618 $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), $4);
3619 parser->lexer_->pop_state ();
3621 | MARKUP_FUNCTION markup_command_basic_arguments {
3622 $$ = scm_cons ($1, scm_reverse_x ($2, SCM_EOL));
3624 | markup_scm MARKUP_IDENTIFIER
3631 markup_head_1_list simple_markup
3633 $$ = scm_car (MAKE_SYNTAX ("composed-markup-list",
3634 @2, $1, scm_list_1 ($2)));
3644 Lily_parser::set_yydebug (bool x)
3650 Lily_parser::do_yyparse ()
3652 SCM retval = SCM_UNDEFINED;
3653 yyparse (this, &retval);
3663 It is a little strange to have this function in this file, but
3664 otherwise, we have to import music classes into the lexer.
3668 Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
3670 if (unsmob_book (sid)) {
3671 Book *book = unsmob_book (sid)->clone ();
3672 *destination = book->self_scm ();
3675 return BOOK_IDENTIFIER;
3676 } else if (scm_is_number (sid)) {
3678 return NUMBER_IDENTIFIER;
3679 } else if (unsmob_context_def (sid))
3681 *destination = unsmob_context_def (sid)->clone ()->unprotect ();
3682 return SCM_IDENTIFIER;
3683 } else if (unsmob_context_mod (sid)) {
3684 *destination = unsmob_context_mod (sid)->smobbed_copy ();
3685 return CONTEXT_MOD_IDENTIFIER;
3686 } else if (Music *mus = unsmob_music (sid)) {
3687 mus = mus->clone ();
3688 *destination = mus->self_scm ();
3689 bool is_event = mus->is_mus_type ("post-event");
3691 return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
3692 } else if (unsmob_pitch (sid)) {
3693 *destination = unsmob_pitch (sid)->smobbed_copy ();
3694 return PITCH_IDENTIFIER;
3695 } else if (unsmob_duration (sid)) {
3696 *destination = unsmob_duration (sid)->smobbed_copy ();
3697 return DURATION_IDENTIFIER;
3698 } else if (unsmob_output_def (sid)) {
3699 *destination = unsmob_output_def (sid)->clone ()->unprotect ();
3700 return SCM_IDENTIFIER;
3701 } else if (unsmob_score (sid)) {
3702 *destination = unsmob_score (sid)->clone ()->unprotect ();
3703 return SCM_IDENTIFIER;
3710 get_next_unique_context_id ()
3712 return scm_from_locale_string ("$uniqueContextId");
3717 get_next_unique_lyrics_context_id ()
3719 static int new_context_count;
3721 snprintf (s, sizeof (s)-1, "uniqueContext%d", new_context_count++);
3722 return scm_from_locale_string (s);
3725 // check_scheme_arg checks one argument with a given predicate for use
3726 // in an argument list and throws a syntax error if it is unusable.
3727 // The argument is prepended to the argument list in any case. After
3728 // throwing a syntax error, the argument list is terminated with #f as
3729 // its last cdr in order to mark it as uncallable while not losing
3730 // track of its total length.
3732 // There are a few special considerations: if optional argument disp
3733 // is given (otherwise it defaults to SCM_UNDEFINED), it will be used
3734 // instead of arg in a prospective error message. This is useful if
3735 // arg is not the actual argument but rather a transformation of it.
3737 // If arg itself is SCM_UNDEFINED, the predicate is considered false
3738 // and an error message using disp is produced unconditionally.
3740 SCM check_scheme_arg (Lily_parser *parser, Input loc,
3741 SCM arg, SCM args, SCM pred, SCM disp)
3743 if (SCM_UNBNDP (arg))
3744 args = scm_cons (disp, args);
3746 args = scm_cons (arg, args);
3747 if (scm_is_true (scm_call_1 (pred, arg)))
3750 scm_set_cdr_x (scm_last_pair (args), SCM_EOL);
3751 MAKE_SYNTAX ("argument-error", loc, scm_length (args), pred,
3752 SCM_UNBNDP (disp) ? arg : disp);
3753 scm_set_cdr_x (scm_last_pair (args), SCM_BOOL_F);
3757 SCM loc_on_music (Input loc, SCM arg)
3759 if (Music *m = unsmob_music (arg))
3763 return m->unprotect ();
3769 try_string_variants (SCM pred, SCM str)
3771 // a matching predicate is always ok
3772 if (scm_is_true (scm_call_1 (pred, str)))
3774 // a symbol may be interpreted as a list of symbols if it helps
3775 if (scm_is_symbol (str)) {
3776 str = scm_list_1 (str);
3777 if (scm_is_true (scm_call_1 (pred, str)))
3779 return SCM_UNDEFINED;
3782 // If this cannot be a string representation of a symbol list,
3785 if (!is_regular_identifier (str, true))
3786 return SCM_UNDEFINED;
3788 str = scm_string_split (str, SCM_MAKE_CHAR ('.'));
3789 for (SCM p = str; scm_is_pair (p); p = scm_cdr (p))
3790 scm_set_car_x (p, scm_string_to_symbol (scm_car (p)));
3792 // Let's attempt the symbol list interpretation first.
3794 if (scm_is_true (scm_call_1 (pred, str)))
3797 // If there is just one symbol in the list, we might interpret
3798 // it as a single symbol
3800 if (scm_is_null (scm_cdr (str)))
3802 str = scm_car (str);
3803 if (scm_is_true (scm_call_1 (pred, str)))
3807 return SCM_UNDEFINED;
3811 is_regular_identifier (SCM id, bool multiple)
3813 if (!scm_is_string (id))
3816 string str = ly_scm2string (id);
3818 bool middle = false;
3820 for (string::iterator it=str.begin(); it != str.end (); it++)
3823 if ((c >= 'a' && c <= 'z')
3824 || (c >= 'A' && c <= 'Z')
3827 else if (middle && (c == '-' || c == '_' || (multiple && c == '.')))
3836 make_music_from_simple (Lily_parser *parser, Input loc, SCM simple)
3838 if (unsmob_music (simple))
3840 if (parser->lexer_->is_note_state ()) {
3841 if (scm_is_symbol (simple)) {
3842 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3843 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3844 n->set_property ("drum-type", simple);
3845 return n->unprotect ();
3847 if (unsmob_pitch (simple)) {
3848 Music *n = MY_MAKE_MUSIC ("NoteEvent", loc);
3849 n->set_property ("duration", parser->default_duration_.smobbed_copy ());
3850 n->set_property ("pitch", simple);
3851 return n->unprotect ();
3854 } else if (parser->lexer_->is_lyric_state ()) {
3855 if (Text_interface::is_markup (simple))
3856 return MAKE_SYNTAX ("lyric-event", loc, simple,
3857 parser->default_duration_.smobbed_copy ());
3858 } else if (parser->lexer_->is_chord_state ()) {
3859 if (unsmob_pitch (simple))
3863 make_chord_elements (loc, simple,
3864 parser->default_duration_.smobbed_copy (),
3871 make_music_with_input (SCM name, Input where)
3873 Music *m = make_music_by_name (name);
3874 m->set_spot (where);
3879 make_simple_markup (SCM a)
3885 make_duration (SCM d, int dots)
3887 int t = scm_to_int (d);
3888 if (t > 0 && (t & (t-1)) == 0)
3889 return Duration (intlog2 (t), dots).smobbed_copy ();
3891 return SCM_UNDEFINED;
3895 make_chord_step (SCM step_scm, Rational alter)
3897 int step = scm_to_int (step_scm);
3900 alter += FLAT_ALTERATION;
3904 Pitch m ((step -1) / 7, (step - 1) % 7, alter);
3905 return m.smobbed_copy ();
3910 make_chord_elements (Input loc, SCM pitch, SCM dur, SCM modification_list)
3912 SCM chord_ctor = ly_lily_module_constant ("construct-chord-elements");
3913 SCM res = scm_call_3 (chord_ctor, pitch, dur, modification_list);
3914 for (SCM s = res; scm_is_pair (s); s = scm_cdr (s))
3916 unsmob_music (scm_car (s))->set_spot (loc);
3922 yylex (YYSTYPE *s, YYLTYPE *loc, Lily_parser *parser)
3924 Lily_lexer *lex = parser->lexer_;
3928 int tok = lex->pop_extra_token ();
3931 lex->prepare_for_next_token ();
3932 return lex->yylex ();