/* Artificial tokens, for more generic function syntax */
%token <i> EXPECT_MARKUP;
%token <i> EXPECT_MUSIC;
+%token <i> EXPECT_PITCH;
+%token <i> EXPECT_DURATION;
%token <i> EXPECT_SCM;
%token <i> EXPECT_MARKUP_LIST
/* After the last argument. */
/* Music */
%type <scm> composite_music
%type <scm> grouped_music_list
+%type <scm> closed_music
+%type <scm> open_music
%type <scm> music
%type <scm> prefix_composite_music
%type <scm> repeated_music
%type <scm> full_markup_list
%type <scm> function_scm_argument
%type <scm> function_arglist
-%type <scm> function_arglist_music_last
%type <scm> function_arglist_nonmusic_last
-%type <scm> function_arglist_nonmusic
+%type <scm> closed_function_arglist
+%type <scm> open_function_arglist
%type <scm> identifier_init
%type <scm> lilypond_header
%type <scm> lilypond_header_body
%type <scm> mode_changing_head
%type <scm> mode_changing_head_with_context
%type <scm> multiplied_duration
-%type <scm> music_function_identifier_musicless_prefix
%type <scm> music_function_event
+%type <scm> music_function_event_arglist
%type <scm> music_function_chord_body
+%type <scm> music_function_chord_body_arglist
%type <scm> new_chord
%type <scm> new_lyrics
%type <scm> number_expression
tempo_event:
TEMPO steno_duration '=' tempo_range {
- $$ = MAKE_SYNTAX ("tempo", @$, SCM_BOOL_F, $2, $4);
+ $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
}
- | TEMPO string steno_duration '=' tempo_range {
- $$ = MAKE_SYNTAX ("tempo", @$, make_simple_markup($2), $3, $5);
- }
- | TEMPO full_markup steno_duration '=' tempo_range {
+ | TEMPO scalar steno_duration '=' tempo_range {
$$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
}
- | TEMPO string {
- $$ = MAKE_SYNTAX ("tempoText", @$, make_simple_markup($2) );
- }
- | TEMPO full_markup {
- $$ = MAKE_SYNTAX ("tempoText", @$, $2 );
+ | TEMPO scalar {
+ $$ = MAKE_SYNTAX ("tempo", @$, $2);
}
;
/*
-The representation of a list is the
-
- (LIST . LAST-CONS)
-
- to have efficient append. */
+The representation of a list is reversed to have efficient append. */
music_list:
/* empty */ {
- $$ = scm_cons (SCM_EOL, SCM_EOL);
+ $$ = SCM_EOL;
}
| music_list music {
- SCM s = $$;
- SCM c = scm_cons ($2, SCM_EOL);
-
- if (scm_is_pair (scm_cdr (s)))
- scm_set_cdr_x (scm_cdr (s), c); /* append */
- else
- scm_set_car_x (s, c); /* set first cons */
- scm_set_cdr_x (s, c); /* remember last cell */
+ $$ = scm_cons ($2, $1);
}
| music_list embedded_scm {
Music *m = MY_MAKE_MUSIC("Music", @$);
// ugh. code dup
m->set_property ("error-found", SCM_BOOL_T);
- SCM s = $$;
- SCM c = scm_cons (m->self_scm (), SCM_EOL);
+ $$ = scm_cons (m->self_scm (), $1);
m->unprotect (); /* UGH */
-
- if (scm_is_pair (scm_cdr (s)))
- scm_set_cdr_x (scm_cdr (s), c); /* append */
- else
- scm_set_car_x (s, c); /* set first cons */
- scm_set_cdr_x (s, c); /* remember last cell */
}
;
music:
simple_music
| composite_music
+ | MUSIC_IDENTIFIER
;
alternative_music:
$$ = SCM_EOL;
}
| ALTERNATIVE '{' music_list '}' {
- $$ = scm_car ($3);
+ $$ = scm_reverse_x ($3, SCM_EOL);
}
;
sequential_music:
SEQUENTIAL '{' music_list '}' {
- $$ = MAKE_SYNTAX ("sequential-music", @$, scm_car ($3));
+ $$ = MAKE_SYNTAX ("sequential-music", @$, scm_reverse_x ($3, SCM_EOL));
}
| '{' music_list '}' {
- $$ = MAKE_SYNTAX ("sequential-music", @$, scm_car ($2));
+ $$ = MAKE_SYNTAX ("sequential-music", @$, scm_reverse_x ($2, SCM_EOL));
}
;
simultaneous_music:
SIMULTANEOUS '{' music_list '}'{
- $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_car ($3));
+ $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($3, SCM_EOL));
}
| DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE {
- $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_car ($2));
+ $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
}
;
simple_music:
event_chord
- | MUSIC_IDENTIFIER
| music_property_def
| context_change
;
| grouped_music_list { $$ = $1; }
;
+/* Music that can't be followed by additional events or durations */
+closed_music:
+ MUSIC_IDENTIFIER
+ | grouped_music_list
+ ;
+
+/* Music that potentially accepts additional events or durations */
+open_music:
+ simple_music
+ | prefix_composite_music
+ ;
+
grouped_music_list:
simultaneous_music { $$ = $1; }
| sequential_music { $$ = $1; }
MUSIC_FUNCTION EXPECT_MUSIC EXPECT_SCM EXPECT_SCM EXPECT_NO_MORE_ARGS
and this rule returns the reversed list of arguments. */
-function_arglist_music_last:
- EXPECT_MUSIC function_arglist music {
- $$ = scm_cons ($3, $2);
- }
+
+function_arglist:
+ closed_function_arglist
+ | open_function_arglist
;
-function_arglist_nonmusic_last:
- EXPECT_MARKUP function_arglist full_markup {
+open_function_arglist:
+ EXPECT_MUSIC function_arglist open_music {
$$ = scm_cons ($3, $2);
}
- | EXPECT_MARKUP function_arglist simple_string {
- $$ = scm_cons ($3, $2);
- }
- | EXPECT_SCM function_arglist function_scm_argument {
+ ;
+
+/* a closed argument list is one that does not end in a music
+ expression that could still take a duration or event */
+
+closed_function_arglist:
+ function_arglist_nonmusic_last
+ | EXPECT_MUSIC function_arglist closed_music {
$$ = scm_cons ($3, $2);
- }
+ }
;
-function_arglist_nonmusic: EXPECT_NO_MORE_ARGS {
+function_arglist_nonmusic_last:
+ EXPECT_NO_MORE_ARGS {
+ /* This is for 0-ary functions, so they don't need to
+ read a lookahead token */
$$ = SCM_EOL;
}
- | EXPECT_MARKUP function_arglist_nonmusic full_markup {
+ | EXPECT_MARKUP function_arglist full_markup {
$$ = scm_cons ($3, $2);
}
- | EXPECT_MARKUP function_arglist_nonmusic simple_string {
+ | EXPECT_MARKUP function_arglist simple_string {
$$ = scm_cons ($3, $2);
}
- | EXPECT_SCM function_arglist_nonmusic function_scm_argument {
- $$ = scm_cons ($3, $2);
+ | EXPECT_PITCH function_arglist pitch {
+ $$ = scm_cons ($3, $2);
}
- ;
-
-function_arglist: EXPECT_NO_MORE_ARGS {
- /* This is for 0-ary functions, so they don't need to
- read a lookahead token */
- $$ = SCM_EOL;
+ | EXPECT_DURATION closed_function_arglist duration_length {
+ $$ = scm_cons ($3, $2);
+ }
+ | EXPECT_SCM function_arglist function_scm_argument {
+ $$ = scm_cons ($3, $2);
}
- | function_arglist_music_last
- | function_arglist_nonmusic_last
;
generic_prefix_music_scm:
MUSIC_FUNCTION function_arglist {
- $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
+ $$ = scm_cons ($1, scm_cons (make_input (@$), scm_reverse_x ($2, SCM_EOL)));
}
;
new_lyrics:
ADDLYRICS { PARSER->lexer_->push_lyric_state (); }
/*cont */
- grouped_music_list {
+ closed_music {
/* Can also use music at the expensive of two S/Rs similar to
\repeat \alternative */
PARSER->lexer_->pop_state ();
$$ = scm_cons ($3, SCM_EOL);
}
- | ADDLYRICS {
- PARSER->lexer_->push_lyric_state (); }
- MUSIC_IDENTIFIER {
- PARSER->lexer_->pop_state ();
- $$ = scm_cons ($3, SCM_EOL);
- }
| new_lyrics ADDLYRICS {
PARSER->lexer_->push_lyric_state ();
- } grouped_music_list {
- PARSER->lexer_->pop_state ();
- $$ = scm_cons ($4, $1);
- }
- | new_lyrics ADDLYRICS {
- PARSER->lexer_->push_lyric_state ();
- } MUSIC_IDENTIFIER {
+ } closed_music {
PARSER->lexer_->pop_state ();
$$ = scm_cons ($4, $1);
}
;
re_rhythmed_music:
- grouped_music_list new_lyrics {
- $$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
- }
- | MUSIC_IDENTIFIER new_lyrics {
+ closed_music new_lyrics {
$$ = MAKE_SYNTAX ("add-lyrics", @$, $1, scm_reverse_x ($2, SCM_EOL));
}
| LYRICSTO simple_string {
scalar: string {
$$ = $1;
}
- | LYRICS_STRING {
+ | lyric_element {
$$ = $1;
}
| bare_number {
}
| DRUM_PITCH post_events {
Music *n = MY_MAKE_MUSIC ("NoteEvent", @$);
- n->set_property ("duration", $2);
n->set_property ("drum-type", $1);
if (scm_is_pair ($2)) {
}
;
-music_function_identifier_musicless_prefix: MUSIC_FUNCTION {
- SCM sig = scm_object_property (yylval.scm, ly_symbol2scm ("music-function-signature"));
- if (scm_is_pair (sig) && to_boolean (scm_memq (ly_music_p_proc, scm_cdr (scm_reverse (sig)))))
- {
- PARSER->parser_error (@$, "Music function applied to event may not have a Music argument, except as the last argument.");
- }
+/* We can't accept a music argument, not even a closed one,
+ * immediately before chord_body_elements, otherwise a function \fun
+ * with a signature of two music arguments can't be sorted out
+ * properly in a construct like
+ * <\fun { c } \fun { c } c>
+ * The second call could be interpreted either as a chord constituent
+ * or a music expression.
+ */
+
+music_function_chord_body_arglist:
+ function_arglist_nonmusic_last
+ | EXPECT_MUSIC music_function_chord_body_arglist chord_body_element {
+ $$ = scm_cons ($3, $2);
}
;
music_function_chord_body:
- /* We could allow chord functions to have multiple music arguments,
- but it's more consistent with music_function_event if we
- prohibit it here too */
- music_function_identifier_musicless_prefix EXPECT_MUSIC function_arglist_nonmusic chord_body_element {
- $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($3, scm_list_1 ($4)));
+ MUSIC_FUNCTION music_function_chord_body_arglist {
+ $$ = scm_cons ($1, scm_cons (make_input (@$), scm_reverse_x ($2, SCM_EOL)));
}
- | music_function_identifier_musicless_prefix function_arglist_nonmusic {
- $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
+ ;
+
+/* We could accept a closed music argument before the post events
+ * indicated by a trailing argument list. For symmetry with chord
+ * bodies and in order to avoid too tricky and complex behavior, we
+ * refrain from doing so.
+ */
+music_function_event_arglist:
+ function_arglist_nonmusic_last
+ | EXPECT_MUSIC music_function_event_arglist post_event {
+ $$ = scm_cons ($3, $2);
}
;
music_function_event:
- /* Post-events can only have the last argument as music, without this
- restriction we get a shift/reduce conflict from e.g.
- c8-\partcombine c8 -. */
- music_function_identifier_musicless_prefix EXPECT_MUSIC function_arglist_nonmusic post_event {
- $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($3, scm_list_1 ($4)));
- }
- | music_function_identifier_musicless_prefix function_arglist_nonmusic {
- $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
+ MUSIC_FUNCTION music_function_event_arglist {
+ $$ = scm_cons ($1, scm_cons (make_input (@$), scm_reverse_x ($2, SCM_EOL)));
}
;
projects / lilypond.git / blobdiff