%token <i> E_UNSIGNED
%token <i> UNSIGNED
+/* Artificial tokens, for more generic function syntax */
+%token <i> EXPECT_MARKUP;
+%token <i> EXPECT_MUSIC;
+%token <i> EXPECT_SCM;
+/* After the last argument. */
+%token <i> EXPECT_NO_MORE_ARGS;
+
%token <scm> BOOK_IDENTIFIER
%token <scm> CHORDMODIFIER_PITCH
%token <scm> CHORD_MODIFIER
%token <scm> MARKUP_HEAD_SCM0_SCM1_SCM2
%token <scm> MARKUP_IDENTIFIER
%token <scm> MUSIC_FUNCTION
-%token <scm> MUSIC_FUNCTION_MARKUP
-%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP
-%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP_MUSIC
-%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC
-%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC
-%token <scm> MUSIC_FUNCTION_MUSIC
-%token <scm> MUSIC_FUNCTION_MUSIC_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM
-%token <scm> MUSIC_FUNCTION_SCM_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM_MUSIC_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM_SCM_MUSIC_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM_SCM
-%token <scm> MUSIC_FUNCTION_SCM_SCM_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM_SCM_SCM
-%token <scm> MUSIC_FUNCTION_SCM_SCM_SCM_MUSIC
-%token <scm> MUSIC_FUNCTION_SCM_SCM_SCM_SCM_MUSIC
%token <scm> MUSIC_IDENTIFIER
%token <scm> NOTENAME_PITCH
%token <scm> NUMBER_IDENTIFIER
%type <scm> absolute_pitch
%type <scm> assignment_id
%type <scm> bare_number
-%type <scm> music_function_event
-%type <scm> music_function_chord_body
-%type <scm> music_function_musicless_prefix
-%type <scm> music_function_musicless_function
%type <scm> bass_figure
%type <scm> figured_bass_modification
%type <scm> br_bass_figure
%type <scm> figure_spec
%type <scm> fraction
%type <scm> full_markup
+%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> 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_chord_body
%type <scm> new_chord
%type <scm> new_lyrics
%type <scm> number_expression
%type <scm> step_number
%type <scm> step_numbers
%type <scm> string
-%type <scm> function_scm_argument
%type <score> score_block
%type <score> score_body
| simple_string
;
-/*
-TODO: use code generation for this
-*/
-music_function_musicless_function:
- MUSIC_FUNCTION {
- $$ = scm_list_2 ($1, make_input (@$));
- }
- | MUSIC_FUNCTION_SCM function_scm_argument {
- $$ = scm_list_3 ($1, make_input (@$), $2);
- }
- | MUSIC_FUNCTION_MARKUP full_markup {
- $$ = scm_list_3 ($1, make_input (@$), $2);
- }
- | MUSIC_FUNCTION_SCM_SCM function_scm_argument function_scm_argument {
- $$ = scm_list_4 ($1, make_input (@$), $2, $3);
- }
- | MUSIC_FUNCTION_SCM_SCM_SCM function_scm_argument function_scm_argument function_scm_argument {
- $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4);
- }
- | MUSIC_FUNCTION_MARKUP_MARKUP full_markup full_markup {
- $$ = scm_list_4 ($1, make_input (@$), $2, $3);
+/* An argument list. If a function \foo expects scm scm music, then the lexer expands \foo into the token sequence:
+ MUSIC_FUNCTION EXPECT_MUSIC EXPECT_SCM EXPECT_SCM
+and this rule returns the reversed list of arguments. */
+
+function_arglist_music_last:
+ EXPECT_MUSIC function_arglist music {
+ $$ = scm_cons ($3, $2);
}
;
-/*
-TODO: use code generation for this
-*/
-music_function_musicless_prefix:
- MUSIC_FUNCTION_MUSIC {
- $$ = scm_list_2 ($1, make_input (@$));
+function_arglist_nonmusic_last:
+ EXPECT_MARKUP function_arglist full_markup {
+ $$ = scm_cons ($3, $2);
}
- | MUSIC_FUNCTION_SCM_MUSIC function_scm_argument {
- $$ = scm_list_3 ($1, make_input (@$), $2);
+ | EXPECT_SCM function_arglist function_scm_argument {
+ $$ = scm_cons ($3, $2);
}
- | MUSIC_FUNCTION_SCM_SCM_MUSIC function_scm_argument function_scm_argument {
- $$ = scm_list_4 ($1, make_input (@$), $2, $3);
+ ;
+
+function_arglist_nonmusic: EXPECT_NO_MORE_ARGS {
+ $$ = SCM_EOL;
}
- | MUSIC_FUNCTION_SCM_SCM_SCM_MUSIC function_scm_argument function_scm_argument function_scm_argument {
- $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4);
+ | EXPECT_MARKUP function_arglist_nonmusic full_markup {
+ $$ = scm_cons ($3, $2);
}
- | MUSIC_FUNCTION_SCM_SCM_SCM_SCM_MUSIC function_scm_argument function_scm_argument function_scm_argument function_scm_argument {
- $$ = scm_list_n ($1, make_input (@$), $2, $3, $4, $5, SCM_UNDEFINED);
+ | EXPECT_SCM function_arglist_nonmusic function_scm_argument {
+ $$ = scm_cons ($3, $2);
}
- | MUSIC_FUNCTION_MARKUP_MUSIC full_markup {
- $$ = scm_list_3 ($1, make_input (@$), $2);
+ ;
+
+function_arglist: EXPECT_NO_MORE_ARGS {
+ /* This is for 0-ary functions, so they don't need to
+ read a lookahead token */
+ $$ = SCM_EOL;
}
+ | function_arglist_music_last
+ | function_arglist_nonmusic_last
;
generic_prefix_music_scm:
- music_function_musicless_function {
- $$ = $1;
- }
- | music_function_musicless_prefix music {
- $$ = ly_append2 ($1, scm_list_1 ($2));
- }
- | MUSIC_FUNCTION_MUSIC_MUSIC music music {
- $$ = scm_list_4 ($1, make_input (@$), $2, $3);
- }
- | MUSIC_FUNCTION_SCM_MUSIC_MUSIC function_scm_argument music music {
- $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4);
- }
- | MUSIC_FUNCTION_SCM_SCM_MUSIC_MUSIC function_scm_argument function_scm_argument music music {
- $$ = scm_list_n ($1, make_input (@$), $2, $3, $4, $5, SCM_UNDEFINED);
- }
- | MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC full_markup music music {
- $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4);
+ MUSIC_FUNCTION function_arglist {
+ $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
}
;
}
;
+music_function_identifier_musicless_prefix: MUSIC_FUNCTION {
+ SCM sig = scm_object_property (yylval.scm, ly_symbol2scm ("music-function-signature"));
+ if (scm_is_pair (sig) && to_boolean (scm_memq (ly_music_p_proc, scm_cdr (scm_reverse (sig)))))
+ {
+ PARSER->parser_error (@$, "Music function applied to event may not have a Music argument, except as the last argument.");
+ }
+ }
+ ;
+
music_function_chord_body:
- music_function_musicless_function {
- $$ = $1;
+ /* We could allow chord functions to have multiple music arguments,
+ but it's more consistent with music_function_event if we
+ prohibit it here too */
+ music_function_identifier_musicless_prefix EXPECT_MUSIC function_arglist_nonmusic chord_body_element {
+ $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($3, scm_list_1 ($4)));
}
- | music_function_musicless_prefix chord_body_element {
- $$ = ly_append2 ($1, scm_list_1 ($2));
+ | music_function_identifier_musicless_prefix function_arglist_nonmusic {
+ $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
}
;
music_function_event:
- music_function_musicless_prefix post_event {
- $$ = ly_append2 ($1, scm_list_1 ($2));
+ /* Post-events can only have the last argument as music, without this
+ restriction we get a shift/reduce conflict from e.g.
+ c8-\partcombine c8 -. */
+ music_function_identifier_musicless_prefix EXPECT_MUSIC function_arglist_nonmusic post_event {
+ $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($3, scm_list_1 ($4)));
}
- | music_function_musicless_function {
- $$ = $1;
+ | music_function_identifier_musicless_prefix function_arglist_nonmusic {
+ $$ = ly_append2 (scm_list_2 ($1, make_input (@$)), scm_reverse_x ($2, SCM_EOL));
}
;
-
command_element:
command_event {
set_music_properties (Music *p, SCM a)
{
for (SCM k = a; scm_is_pair (k); k = scm_cdr (k))
- p->internal_set_property (scm_caar (k), scm_cdar (k));
+ p->set_property (scm_caar (k), scm_cdar (k));
}