]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
Revert "Improves horizontal spacing of axis groups that SpanBars traverse (issue...
[lilypond.git] / lily / parser.yy
index 71ae623749b221e870a51a7d50a455f069d20e99..b0a584ff91e93fd71465659a7d181c7321093bce 100644 (file)
 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 of the parse stack onto the heap. */
 
-%left PREC_TOP
-%left ADDLYRICS
 %left PREC_BOT
+%nonassoc REPEAT
+%nonassoc ALTERNATIVE
 
-%expect 1
-
-/* One shift/reduce problem
+/* The above precedences tackle the shift/reduce problem
 
 1.  \repeat
        \repeat .. \alternative
@@ -58,6 +56,22 @@ or
     \repeat { \repeat } \alternative
 */
 
+%right FUNCTION_ARGUMENTS
+      MARKUP LYRICS_STRING MARKUP_IDENTIFIER STRING STRING_IDENTIFIER
+      SEQUENTIAL SIMULTANEOUS DOUBLE_ANGLE_OPEN MUSIC_IDENTIFIER '{'
+      PITCH_IDENTIFIER NOTENAME_PITCH TONICNAME_PITCH
+      SCM_FUNCTION SCM_IDENTIFIER SCM_TOKEN
+      UNSIGNED DURATION_IDENTIFIER
+      CHORDMODE CHORDS DRUMMODE DRUMS FIGUREMODE FIGURES LYRICMODE LYRICS
+      NOTEMODE
+
+ /* The above are the symbols that can start function arguments */
+
+%left ADDLYRICS
+%left PREC_TOP
+
+
+
 
 %pure_parser
 %locations
@@ -95,10 +109,8 @@ using namespace std;
 #include "main.hh"
 #include "misc.hh"
 #include "music.hh"
-#include "music.hh"
 #include "output-def.hh"
 #include "paper-book.hh"
-#include "program-option.hh"
 #include "scm-hash.hh"
 #include "score.hh"
 #include "text-interface.hh"
@@ -144,8 +156,10 @@ SCM get_next_unique_lyrics_context_id ();
 
 
 static Music *make_music_with_input (SCM name, Input where);
-SCM make_music_relative (Pitch start, SCM music, Input loc);
 SCM run_music_function (Lily_parser *parser, Input loc, SCM func, SCM args);
+SCM check_scheme_arg (Lily_parser *parser, Input loc, SCM fallback,
+                     SCM arg, SCM args, SCM pred);
+SCM loc_on_music (Input loc, SCM arg);
 SCM get_first_context_id (SCM type, Music *m);
 SCM make_chord_elements (SCM pitch, SCM dur, SCM modification_list);
 SCM make_chord_step (int step, Rational alter);
@@ -187,7 +201,7 @@ void set_music_properties (Music *p, SCM a);
 %token FIGURES "\\figures"
 %token GROBDESCRIPTIONS "\\grobdescriptions"
 %token HEADER "\\header"
-%token INVALID "\\invalid"
+%token INVALID "\\version-error"
 %token KEY "\\key"
 %token LAYOUT "\\layout"
 %token LYRICMODE "\\lyricmode"
@@ -199,12 +213,9 @@ void set_music_properties (Music *p, SCM a);
 %token MIDI "\\midi"
 %token NAME "\\name"
 %token NOTEMODE "\\notemode"
-%token OCTAVE "\\octave"
 %token ONCE "\\once"
 %token OVERRIDE "\\override"
 %token PAPER "\\paper"
-%token PARTIAL "\\partial"
-%token RELATIVE "\\relative"
 %token REMOVE "\\remove"
 %token REPEAT "\\repeat"
 %token REST "\\rest"
@@ -213,10 +224,8 @@ void set_music_properties (Music *p, SCM a);
 %token SEQUENTIAL "\\sequential"
 %token SET "\\set"
 %token SIMULTANEOUS "\\simultaneous"
-%token SKIP "\\skip"
 %token TEMPO "\\tempo"
 %token TIMES "\\times"
-%token TRANSPOSE "\\transpose"
 %token TYPE "\\type"
 %token UNSET "\\unset"
 %token WITH "\\with"
@@ -263,7 +272,6 @@ If we give names, Bison complains.
 %token MULTI_MEASURE_REST
 
 
-%token <i> DIGIT
 %token <i> E_UNSIGNED
 %token <i> UNSIGNED
 
@@ -272,8 +280,9 @@ If we give names, Bison complains.
 %token <i> EXPECT_MUSIC "ly:music?"
 %token <i> EXPECT_PITCH "ly:pitch?"
 %token <i> EXPECT_DURATION "ly:duration?"
-%token <i> EXPECT_SCM "scheme?"
+%token <scm> EXPECT_SCM "scheme?"
 %token <i> EXPECT_MARKUP_LIST "markup-list?"
+%token <scm> EXPECT_OPTIONAL "optional?"
 /* After the last argument. */
 %token <i> EXPECT_NO_MORE_ARGS;
 
@@ -287,8 +296,10 @@ If we give names, Bison complains.
 %token <scm> CONTEXT_DEF_IDENTIFIER
 %token <scm> CONTEXT_MOD_IDENTIFIER
 %token <scm> DRUM_PITCH
+%token <scm> PITCH_IDENTIFIER
 %token <scm> DURATION_IDENTIFIER
 %token <scm> EVENT_IDENTIFIER
+%token <scm> EVENT_FUNCTION
 %token <scm> FRACTION
 %token <scm> LYRICS_STRING
 %token <scm> LYRIC_MARKUP_IDENTIFIER
@@ -303,6 +314,7 @@ If we give names, Bison complains.
 %token <scm> OUTPUT_DEF_IDENTIFIER
 %token <scm> REAL
 %token <scm> RESTNAME
+%token <scm> SCM_FUNCTION
 %token <scm> SCM_IDENTIFIER
 %token <scm> SCM_TOKEN
 %token <scm> SCORE_IDENTIFIER
@@ -330,10 +342,11 @@ If we give names, Bison complains.
 /* Music */
 %type <scm> composite_music
 %type <scm> grouped_music_list
+%type <scm> braced_music_list
 %type <scm> closed_music
-%type <scm> open_music
 %type <scm> music
-%type <scm> prefix_composite_music
+%type <scm> complex_music
+%type <scm> mode_changed_music
 %type <scm> repeated_music
 %type <scm> sequential_music
 %type <scm> simple_music
@@ -348,12 +361,13 @@ If we give names, Bison complains.
 %type <scm> direction_reqd_event
 %type <scm> embedded_lilypond
 %type <scm> event_chord
+%type <scm> fingering
 %type <scm> gen_text_def
 %type <scm> music_property_def
 %type <scm> note_chord_element
 %type <scm> post_event
+%type <scm> post_event_nofinger
 %type <scm> re_rhythmed_music
-%type <scm> relative_music
 %type <scm> simple_element
 %type <scm> simple_music_property_def
 %type <scm> start_symbol
@@ -366,10 +380,8 @@ If we give names, Bison complains.
 %type <outputdef> output_def
 %type <outputdef> paper_block
 
-%type <scm> alternative_music
-%type <scm> generic_prefix_music_scm
+%type <scm> music_function_call
 %type <scm> music_list
-%type <scm> absolute_pitch
 %type <scm> assignment_id
 %type <scm> bare_number
 %type <scm> unsigned_number
@@ -390,16 +402,23 @@ If we give names, Bison complains.
 %type <scm> direction_less_char
 %type <scm> duration_length
 %type <scm> embedded_scm
+%type <scm> embedded_scm_bare
+%type <scm> embedded_scm_closed
+%type <scm> embedded_scm_chord_body
+%type <scm> embedded_scm_event
+%type <scm> event_function_event
 %type <scm> figure_list
 %type <scm> figure_spec
 %type <scm> fraction
 %type <scm> full_markup
 %type <scm> full_markup_list
-%type <scm> function_scm_argument
 %type <scm> function_arglist
-%type <scm> function_arglist_nonmusic_last
-%type <scm> closed_function_arglist
-%type <scm> open_function_arglist
+%type <scm> function_arglist_optional
+%type <scm> function_arglist_keep
+%type <scm> function_arglist_bare
+%type <scm> function_arglist_closed
+%type <scm> function_arglist_closed_optional
+%type <scm> function_arglist_closed_keep
 %type <scm> identifier_init
 %type <scm> lilypond
 %type <scm> lilypond_header
@@ -439,6 +458,10 @@ If we give names, Bison complains.
 %type <scm> property_operation
 %type <scm> property_path property_path_revved
 %type <scm> scalar
+%type <scm> scalar_bare
+%type <scm> scalar_closed
+%type <scm> scm_function_call
+%type <scm> scm_function_call_closed
 %type <scm> script_abbreviation
 %type <scm> simple_chord_elements
 %type <scm> simple_markup
@@ -471,7 +494,7 @@ start_symbol:
                PARSER->lexer_->push_note_state (alist_to_hashq (nn));
        } embedded_lilypond {
                PARSER->lexer_->pop_state ();
-               PARSER->lexer_->set_identifier (ly_symbol2scm ("$parseStringResult"), $3);
+               PARSER->lexer_->set_identifier (ly_symbol2scm ("parseStringResult"), $3);
        }
        ;
 
@@ -541,11 +564,25 @@ toplevel_expression:
        }
        ;
 
-embedded_scm:
+embedded_scm_bare:
        SCM_TOKEN
        | SCM_IDENTIFIER
        ;
 
+/* The generic version may end in music, or not */
+
+embedded_scm:
+       embedded_scm_bare
+       | scm_function_call
+       ;
+
+scm_function_call:
+       SCM_FUNCTION function_arglist {
+               $$ = run_music_function (PARSER, @$,
+                                        $1, $2);
+       }
+       ;
+
 embedded_lilypond:
        { $$ = MAKE_SYNTAX ("void-music", @$, SCM_UNDEFINED); }
        | identifier_init
@@ -556,7 +593,7 @@ embedded_lilypond:
        | error {
                PARSER->error_level_ = 1;
        }
-       | embedded_lilypond INVALID     {
+       | INVALID embedded_lilypond {
                PARSER->error_level_ = 1;
        }
        ;
@@ -638,7 +675,7 @@ identifier_init:
                else
                        $$ = MAKE_SYNTAX ("event-chord", @$, scm_list_1 ($1));
        }
-       | post_event {
+       | post_event_nofinger {
                $$ = $1;
        }
        | number_expression {
@@ -656,9 +693,6 @@ identifier_init:
        | full_markup_list {
                $$ = $1;
        }
-       | DIGIT {
-               $$ = scm_from_int ($1);
-       }
         | context_modification {
                 $$ = $1;
         }
@@ -768,6 +802,7 @@ book_body:
        | book_body lilypond_header {
                $$->header_ = $2;
        }
+       | book_body embedded_scm { }
        | book_body error {
                $$->paper_ = 0;
                $$->scores_ = SCM_EOL;
@@ -820,6 +855,7 @@ bookpart_body:
        | bookpart_body lilypond_header {
                $$->header_ = $2;
        }
+       | bookpart_body embedded_scm { }
        | bookpart_body error {
                $$->paper_ = 0;
                $$->scores_ = SCM_EOL;
@@ -951,7 +987,7 @@ tempo_event:
        TEMPO steno_duration '=' tempo_range    {
                $$ = MAKE_SYNTAX ("tempo", @$, SCM_EOL, $2, $4);
        }
-       | TEMPO scalar steno_duration '=' tempo_range   {
+       | TEMPO scalar_closed steno_duration '=' tempo_range    {
                $$ = MAKE_SYNTAX ("tempo", @$, $2, $3, $5);
        }
        | TEMPO scalar {
@@ -981,41 +1017,42 @@ music_list:
        }
        ;
 
+braced_music_list:
+       '{' music_list '}'
+       {
+               $$ = scm_reverse_x ($2, SCM_EOL);
+       }
+       ;
+
 music:
        simple_music
        | composite_music
-       | MUSIC_IDENTIFIER
-       ;
-
-alternative_music:
-       /* empty */ {
-               $$ = SCM_EOL;
-       }
-       | ALTERNATIVE '{' music_list '}' {
-               $$ = scm_reverse_x ($3, SCM_EOL);
-       }
        ;
 
 
 repeated_music:
-       REPEAT simple_string unsigned_number music alternative_music
+       REPEAT simple_string unsigned_number music
+       {
+               $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, SCM_EOL);
+       }
+       | REPEAT simple_string unsigned_number music ALTERNATIVE braced_music_list
        {
-               $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $5);
+               $$ = MAKE_SYNTAX ("repeat", @$, $2, $3, $4, $6);
        }
        ;
 
 sequential_music:
-       SEQUENTIAL '{' music_list '}'           {
-               $$ = MAKE_SYNTAX ("sequential-music", @$, scm_reverse_x ($3, SCM_EOL));
+       SEQUENTIAL braced_music_list {
+               $$ = MAKE_SYNTAX ("sequential-music", @$, $2);
        }
-       | '{' music_list '}'            {
-               $$ = MAKE_SYNTAX ("sequential-music", @$, scm_reverse_x ($2, SCM_EOL));
+       | braced_music_list {
+               $$ = MAKE_SYNTAX ("sequential-music", @$, $1);
        }
        ;
 
 simultaneous_music:
-       SIMULTANEOUS '{' music_list '}'{
-               $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($3, SCM_EOL));
+       SIMULTANEOUS braced_music_list {
+               $$ = MAKE_SYNTAX ("simultaneous-music", @$, $2);
        }
        | DOUBLE_ANGLE_OPEN music_list DOUBLE_ANGLE_CLOSE       {
                $$ = MAKE_SYNTAX ("simultaneous-music", @$, scm_reverse_x ($2, SCM_EOL));
@@ -1069,86 +1106,193 @@ context_mod_list:
         ;
 
 composite_music:
-       prefix_composite_music { $$ = $1; }
-       | grouped_music_list { $$ = $1; }
+       complex_music
+       | closed_music
        ;
 
 /* Music that can't be followed by additional events or durations */
 closed_music:
-       MUSIC_IDENTIFIER
+       mode_changed_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; }
        ;
 
-function_scm_argument:
-       embedded_scm
-       | simple_string
-       ;
-
 /* 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 EXPECT_NO_MORE_ARGS
 and this rule returns the reversed list of arguments. */
 
 
 function_arglist:
-       closed_function_arglist
-       | open_function_arglist
+       function_arglist_bare
+       | EXPECT_MUSIC function_arglist_optional music
+       {
+               $$ = scm_cons ($3, $2);
+       }
+       | EXPECT_SCM function_arglist_optional embedded_scm
+       {
+               $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
+       }
        ;
 
-open_function_arglist:
-       EXPECT_MUSIC function_arglist open_music {
-               $$ = scm_cons ($3, $2);
+function_arglist_optional:
+       function_arglist_keep %prec FUNCTION_ARGUMENTS
+       | EXPECT_OPTIONAL EXPECT_MUSIC function_arglist_optional
+       {
+               $$ = scm_cons (loc_on_music (@3, $1), $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_optional
+       {
+               $$ = scm_cons (loc_on_music (@3, $1), $3);
        }
        ;
 
-/* a closed argument list is one that does not end in a music
-   expression that could still take a duration or event */
+function_arglist_keep:
+       EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_keep full_markup {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_keep simple_string {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep simple_string
+       {
+               $$ = check_scheme_arg (PARSER, @4, $1, $4, $3, $2);
+       }
+       | EXPECT_OPTIONAL EXPECT_MUSIC function_arglist_keep closed_music
+       {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm
+       {
+               $$ = check_scheme_arg (PARSER, @4, $1, $4, $3, $2);
+       }
+       | function_arglist
+       ;
+
 
-closed_function_arglist:
-       function_arglist_nonmusic_last
-       | EXPECT_MUSIC function_arglist closed_music {
+function_arglist_closed:
+       function_arglist_bare
+       | EXPECT_MUSIC function_arglist_optional closed_music
+       {
                $$ = scm_cons ($3, $2);
-               }
+       }
+       | EXPECT_SCM function_arglist_optional embedded_scm_closed
+       {
+               $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
+       }
+       ;
+
+function_arglist_closed_optional:
+       function_arglist_closed_keep %prec FUNCTION_ARGUMENTS
+       | EXPECT_OPTIONAL EXPECT_MUSIC function_arglist_closed_optional
+       {
+               $$ = scm_cons (loc_on_music (@3, $1), $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_closed_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_closed_optional
+       {
+               $$ = scm_cons ($1, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_closed_optional
+       {
+               $$ = scm_cons (loc_on_music (@3, $1), $3);
+       }
+       ;
+
+function_arglist_closed_keep:
+       EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_keep full_markup {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_MARKUP function_arglist_keep simple_string {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_PITCH function_arglist_keep pitch_also_in_chords {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_DURATION function_arglist_closed_keep duration_length {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep simple_string
+       {
+               $$ = check_scheme_arg (PARSER, @4, $1, $4, $3, $2);
+       }
+       | EXPECT_OPTIONAL EXPECT_MUSIC function_arglist_keep closed_music
+       {
+               $$ = scm_cons ($4, $3);
+       }
+       | EXPECT_OPTIONAL EXPECT_SCM function_arglist_keep embedded_scm_closed
+       {
+               $$ = check_scheme_arg (PARSER, @4, $1, $4, $3, $2);
+       }
+       | function_arglist_closed
+       ;
+
+embedded_scm_closed:
+       embedded_scm_bare
+       | scm_function_call_closed
        ;
 
-function_arglist_nonmusic_last:
+scm_function_call_closed:
+       SCM_FUNCTION function_arglist_closed {
+               $$ = run_music_function (PARSER, @$,
+                                        $1, $2);
+       }
+       ;
+
+function_arglist_bare:
        EXPECT_NO_MORE_ARGS {
-               /* This is for 0-ary functions, so they don't need to
-                  read a lookahead token */
                $$ = SCM_EOL;
        }
-       | EXPECT_MARKUP function_arglist full_markup {
+       | EXPECT_MARKUP function_arglist_optional full_markup {
                $$ = scm_cons ($3, $2);
        }
-       | EXPECT_MARKUP function_arglist simple_string {
+       | EXPECT_MARKUP function_arglist_optional simple_string {
                $$ = scm_cons ($3, $2);
        }
-       | EXPECT_PITCH function_arglist pitch {
-               $$ = scm_cons ($3, $2);
-       }
-       | EXPECT_DURATION closed_function_arglist duration_length {
-               $$ = scm_cons ($3, $2);
+       | EXPECT_PITCH function_arglist_optional pitch_also_in_chords {
+               $$ = scm_cons ($3, $2);
        }
-       | EXPECT_SCM function_arglist function_scm_argument {
+       | EXPECT_DURATION function_arglist_closed_optional duration_length {
                $$ = scm_cons ($3, $2);
        }
+       | EXPECT_SCM function_arglist_optional simple_string {
+               $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
+       }
        ;
 
-generic_prefix_music_scm:
+music_function_call:
        MUSIC_FUNCTION function_arglist {
                $$ = run_music_function (PARSER, @$,
-                                        $1,
-                                        scm_reverse_x ($2, SCM_EOL));
+                                        $1, $2);
        }
        ;
 
@@ -1160,9 +1304,8 @@ optional_id:
        }
        ;
 
-
-prefix_composite_music:
-       generic_prefix_music_scm
+complex_music:
+       music_function_call
        | CONTEXT simple_string optional_id optional_context_mod music {
                 Context_mod *ctxmod = unsmob_context_mod ($4);
                 SCM mods = SCM_EOL;
@@ -1182,13 +1325,11 @@ prefix_composite_music:
                 $$ = MAKE_SYNTAX ("time-scaled-music", @$, $2, $3);
        }
        | repeated_music                { $$ = $1; }
-       | TRANSPOSE pitch_also_in_chords pitch_also_in_chords music {
-               Pitch from = *unsmob_pitch ($2);
-               Pitch to = *unsmob_pitch ($3);
-               SCM pitch = pitch_interval (from, to).smobbed_copy ();
-               $$ = MAKE_SYNTAX ("transpose-music", @$, pitch, $4);
-       }
-       | mode_changing_head grouped_music_list {
+       | re_rhythmed_music     { $$ = $1; }
+       ;
+
+mode_changed_music:
+       mode_changing_head grouped_music_list {
                if ($1 == ly_symbol2scm ("chords"))
                {
                  $$ = MAKE_SYNTAX ("unrelativable-music", @$, $2);
@@ -1211,8 +1352,6 @@ prefix_composite_music:
                }
                PARSER->lexer_->pop_state ();
        }
-       | relative_music        { $$ = $1; }
-       | re_rhythmed_music     { $$ = $1; }
        ;
 
 mode_changing_head:
@@ -1273,18 +1412,6 @@ mode_changing_head_with_context:
        }
        ;
 
-
-relative_music:
-       RELATIVE absolute_pitch music {
-               Pitch start = *unsmob_pitch ($2);
-               $$ = make_music_relative (start, $3, @$);
-       }
-       | RELATIVE composite_music {
-               Pitch middle_c (0, 0, 0);
-               $$ = make_music_relative (middle_c, $2, @$);
-       }
-       ;
-
 new_lyrics:
        ADDLYRICS { PARSER->lexer_->push_lyric_state (); }
        /*cont */
@@ -1323,10 +1450,10 @@ context_change:
 
 
 property_path_revved:
-       embedded_scm {
+       embedded_scm_closed {
                $$ = scm_cons ($1, SCM_EOL);
        }
-       | property_path_revved embedded_scm {
+       | property_path_revved embedded_scm_closed {
                $$ = scm_cons ($2, $1);
        }
        ;
@@ -1464,7 +1591,8 @@ simple_string: STRING {
        }
        ;
 
-scalar: string {
+scalar_bare:
+       string {
                $$ = $1;
        }
        | lyric_element {
@@ -1473,17 +1601,25 @@ scalar: string {
        | bare_number {
                $$ = $1;
        }
-        | embedded_scm {
+        | embedded_scm_bare {
                $$ = $1;
        }
        | full_markup {
                $$ = $1;
        }
-       | DIGIT {
-               $$ = scm_from_int ($1);
-       }
        ;
 
+scalar:
+       scalar_bare |
+       scm_function_call
+       ;
+
+scalar_closed:
+       scalar_bare |
+       scm_function_call_closed
+       ;
+
+
 event_chord:
        /* TODO: Create a special case that avoids the creation of
           EventChords around simple_elements that have no post_events?
@@ -1604,16 +1740,27 @@ chord_body_element:
  */
 
 music_function_chord_body_arglist:
-       function_arglist_nonmusic_last
+       function_arglist_bare
        | EXPECT_MUSIC music_function_chord_body_arglist chord_body_element {
                $$ = scm_cons ($3, $2);
        }
+       | EXPECT_SCM function_arglist_optional embedded_scm_chord_body {
+               $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
+       }
+       ;
+
+embedded_scm_chord_body:
+       embedded_scm_bare
+       | SCM_FUNCTION music_function_chord_body_arglist {
+               $$ = run_music_function (PARSER, @$,
+                                        $1, $2);
+       }
        ;
 
 music_function_chord_body:
        MUSIC_FUNCTION music_function_chord_body_arglist {
                $$ = run_music_function (PARSER, @$,
-                                        $1, scm_reverse_x ($2, SCM_EOL));
+                                        $1, $2);
        }
        ;
 
@@ -1623,16 +1770,34 @@ music_function_chord_body:
  * refrain from doing so.
  */
 music_function_event_arglist:
-       function_arglist_nonmusic_last
+       function_arglist_bare
        | EXPECT_MUSIC music_function_event_arglist post_event {
                $$ = scm_cons ($3, $2);
        }
+       | EXPECT_SCM function_arglist_optional embedded_scm_event {
+               $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
+       }
+       ;
+
+embedded_scm_event:
+       embedded_scm_bare
+       | SCM_FUNCTION music_function_event_arglist {
+               $$ = run_music_function (PARSER, @$,
+                                        $1, $2);
+       }
        ;
 
 music_function_event:
        MUSIC_FUNCTION music_function_event_arglist {
                $$ = run_music_function (PARSER, @$,
-                                        $1, scm_reverse_x ($2, SCM_EOL));
+                                        $1, $2);
+       }
+       ;
+
+event_function_event:
+       EVENT_FUNCTION music_function_event_arglist {
+               $$ = run_music_function (PARSER, @$,
+                                        $1, $2);
        }
        ;
 
@@ -1640,9 +1805,6 @@ command_element:
        command_event {
                $$ = $1;
        }
-       | SKIP duration_length {
-               $$ = MAKE_SYNTAX ("skip-music", @$, $2);
-       }
        | E_BRACKET_OPEN {
                Music *m = MY_MAKE_MUSIC ("LigatureEvent", @$);
                m->set_property ("span-direction", scm_from_int (START));
@@ -1670,10 +1832,6 @@ command_element:
                        $$ = MAKE_SYNTAX ("bar-check", @$, SCM_UNDEFINED);
 
        }
-       | PARTIAL duration_length       {
-               $$ = MAKE_SYNTAX ("partial", @$, $2);
-       }
-
        | TIME_T fraction  {
                SCM proc = ly_lily_module_constant ("make-time-signature-set");
 
@@ -1726,7 +1884,7 @@ post_events:
        }
        ;
 
-post_event:
+post_event_nofinger:
        direction_less_event {
                $$ = $1;
        }
@@ -1766,6 +1924,18 @@ post_event:
        | string_number_event
        ;
 
+post_event:
+       post_event_nofinger
+       | script_dir fingering {
+               if ($1)
+               {
+                       Music *m = unsmob_music ($2);
+                       m->set_property ("direction", scm_from_int ($1));
+               }
+               $$ = $2;
+       }
+       ;
+
 string_number_event:
        E_UNSIGNED {
                Music *s = MY_MAKE_MUSIC ("StringNumberEvent", @$);
@@ -1830,6 +2000,7 @@ direction_less_event:
                a->set_property ("tremolo-type", scm_from_int ($1));
                $$ = a->unprotect ();
         }
+       | event_function_event  
        ;
 
 direction_reqd_event:
@@ -1912,6 +2083,7 @@ pitch:
        steno_pitch {
                $$ = $1;
        }
+       | PITCH_IDENTIFIER
        ;
 
 pitch_also_in_chords:
@@ -1931,7 +2103,10 @@ gen_text_def:
                        make_simple_markup ($1));
                $$ = t->unprotect ();
        }
-       | DIGIT {
+       ;
+
+fingering:
+       UNSIGNED {
                Music *t = MY_MAKE_MUSIC ("FingeringEvent", @$);
                t->set_property ("digit", scm_from_int ($1));
                $$ = t->unprotect ();
@@ -1968,13 +2143,6 @@ script_dir:
        | '-'   { $$ = CENTER; }
        ;
 
-
-absolute_pitch:
-       steno_pitch     {
-               $$ = $1;
-       }
-       ;
-
 duration_length:
        multiplied_duration {
                $$ = $1;
@@ -2053,10 +2221,7 @@ tremolo_type:
        ;
 
 bass_number:
-       DIGIT   {
-               $$ = scm_from_int ($1);
-       }
-       | UNSIGNED {
+       UNSIGNED {
                $$ = scm_from_int ($1);
        }
        | STRING { $$ = $1; }
@@ -2386,9 +2551,6 @@ bare_unsigned:
        UNSIGNED {
                        $$ = $1;
        }
-       | DIGIT {
-               $$ = $1;
-       }
        ;
 
 unsigned_number:
@@ -2508,8 +2670,8 @@ markup_command_basic_arguments:
        EXPECT_MARKUP_LIST markup_command_list_arguments markup_list {
          $$ = scm_cons ($3, $2);
        }
-       | EXPECT_SCM markup_command_list_arguments embedded_scm {
-         $$ = scm_cons ($3, $2);
+       | EXPECT_SCM markup_command_list_arguments embedded_scm_closed {
+         $$ = check_scheme_arg (PARSER, @3, SCM_UNDEFINED, $3, $2, $1);
        }
        | EXPECT_NO_MORE_ARGS {
          $$ = SCM_EOL;
@@ -2642,6 +2804,9 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
 
                mus->unprotect ();
                return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
+       } else if (unsmob_pitch (sid)) {
+               *destination = unsmob_pitch (sid)->smobbed_copy ();
+               return PITCH_IDENTIFIER;
        } else if (unsmob_duration (sid)) {
                *destination = unsmob_duration (sid)->smobbed_copy ();
                return DURATION_IDENTIFIER;
@@ -2687,18 +2852,51 @@ run_music_function (Lily_parser *parser, Input loc, SCM func, SCM args)
 {
        SCM sig = scm_object_property (func, ly_symbol2scm ("music-function-signature"));
 
-       SCM type_check_proc = ly_lily_module_constant ("type-check-list");
+       args = scm_reverse_x (args, SCM_EOL);
+
+       SCM fallback = SCM_BOOL_F;
+       SCM pred = scm_car (sig);
 
-       if (!to_boolean (scm_call_3  (type_check_proc, make_input (loc), sig, args)))
+       if (scm_is_pair (pred))
        {
-               parser->error_level_ = 1;
-               return LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("void-music"), scm_list_2 (parser->self_scm (), make_input (loc)));
+               fallback = loc_on_music (loc, scm_cdr (pred));
+               pred = scm_car (pred);
        }
 
-       SCM syntax_args = scm_list_4 (parser->self_scm (), make_input (loc), func, args);
+       SCM syntax_args = scm_list_n (parser->self_scm (), make_input (loc), pred, fallback, func, args, SCM_UNDEFINED);
        return LOWLEVEL_MAKE_SYNTAX (ly_lily_module_constant ("music-function"), syntax_args);
 }
 
+SCM check_scheme_arg (Lily_parser *parser, Input loc, SCM fallback,
+                     SCM arg, SCM args, SCM pred)
+{
+       SCM type_check_arg = ly_lily_module_constant ("type-check-arg");
+       if (scm_is_false (scm_call_4 (type_check_arg, make_input (loc),
+                                     arg, args, pred)))
+       {
+               if (SCM_UNBNDP (fallback))
+                       fallback = SCM_BOOL_F;
+               else
+                       fallback = loc_on_music (loc, fallback);
+                       
+               parser->error_level_ = 1;
+
+               return scm_cons (fallback, args);
+       }
+       return scm_cons (arg, args);
+}
+
+SCM loc_on_music (Input loc, SCM arg)
+{
+       if (Music *m = unsmob_music (arg))
+       {
+               m = m->clone ();
+               m->set_spot (loc);
+               return m->unprotect ();
+       }
+       return arg;
+}
+
 bool
 is_regular_identifier (SCM id)
 {
@@ -2788,19 +2986,6 @@ ly_input_procedure_p (SCM x)
                || (scm_is_pair (x) && ly_is_procedure (scm_car (x)));
 }
 
-SCM
-make_music_relative (Pitch start, SCM music, Input loc)
-{
-       Music *relative = MY_MAKE_MUSIC ("RelativeOctaveMusic", loc);
-       relative->set_property ("element", music);
-
-       Music *m = unsmob_music (music);
-       Pitch last = m->to_relative_octave (start);
-       if (lily_1_8_relative)
-               m->set_property ("last-pitch", last.smobbed_copy ());
-       return relative->unprotect ();
-}
-
 int
 yylex (YYSTYPE *s, YYLTYPE *loc, void *v)
 {