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[lilypond.git] / lily / parser.yy
index 91fd3b613f4c2161aec487b44b9798d52a89148d..7cd980afc5d452346e771d56c97e192916205e6e 100644 (file)
@@ -5,7 +5,7 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
            Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -58,7 +58,7 @@ TODO:
 
 
 #include "scm-option.hh"
-#include "translator-def.hh"
+#include "context-def.hh"
 #include "lily-guile.hh"
 #include "misc.hh"
 #include "my-lily-lexer.hh"
@@ -74,7 +74,6 @@ TODO:
 #include "input.hh"
 #include "lilypond-input-version.hh"
 #include "scm-hash.hh"
-#include "auto-change-iterator.hh"
 #include "ly-modules.hh"
 #include "music-sequence.hh"
 #include "input-smob.hh"
@@ -284,8 +283,6 @@ yylex (YYSTYPE *s,  void * v)
 %token PAPER
 %token PARTCOMBINE
 %token PARTIAL
-%token PITCHNAMES
-%token PROPERTY
 %token RELATIVE
 %token REMOVE
 %token REPEAT
@@ -328,7 +325,8 @@ yylex (YYSTYPE *s,  void * v)
 %token <scm>   DURATION_IDENTIFIER
 %token <scm>    FRACTION
 %token <id>    IDENTIFIER
-%token <scm>   CHORDNAMES
+%token DRUMS
+%token <scm>   DRUM_PITCH
 %token <scm>   CHORD_MODIFIER
 %token <scm>   SCORE_IDENTIFIER
 %token <scm>   MUSIC_OUTPUT_DEF_IDENTIFIER
@@ -381,22 +379,20 @@ yylex (YYSTYPE *s,  void * v)
 
 %type <scm>  embedded_scm scalar
 %type <music>  Music Sequential_music Simultaneous_music 
-%type <music>  relative_music re_rhythmed_music part_combined_music
-%type <music>  music_property_def context_change 
-%type <scm> Music_list
+%type <music>  relative_music re_rhythmed_music 
+%type <music>  music_property_def context_change
+%type <scm> context_prop_spec 
+%type <scm> Music_list 
 %type <scm> property_operation context_mod translator_mod optional_context_mod
 %type <outputdef>  music_output_def_body music_output_def_head
-%type <music> shorthand_command_req
 %type <music>  post_event tagged_post_event
-%type <music> command_req verbose_command_req
-%type <music> hyphen_req
+%type <music> command_req 
 %type <music> string_number_event
 %type <scm>    string bare_number number_expression number_term number_factor 
 %type <score>  score_block score_body
 
 %type <scm>    translator_spec_block translator_spec_body
 %type <music>  tempo_event
-%type <scm> notenames_body notenames_block chordmodifiers_block
 %type <scm>    script_abbreviation
 
 
@@ -422,13 +418,7 @@ lilypond:  /* empty */
        ;
 
 toplevel_expression:
-       notenames_block                 {
-               THIS->lexer_->pitchname_tab_ =  $1;
-       }
-       | chordmodifiers_block                  {
-               THIS->lexer_->chordmodifier_tab_  = $1;
-       }
-       | lilypond_header {
+       lilypond_header {
                THIS->input_file_->header_ = $1;
        }
        | score_block {
@@ -449,7 +439,7 @@ toplevel_expression:
                for (int i=0; i < sc->defs_.size (); i++)
                        default_rendering (sc->music_, sc->defs_[i]->self_scm(),head, outname);
 
-               if (sc->defs_.empty ())
+               if (sc->defs_.is_empty ())
                {
                   Music_output_def *id =
                        unsmob_music_output_def (THIS->lexer_->lookup_identifier
@@ -464,10 +454,13 @@ toplevel_expression:
                scm_gc_unprotect_object (sc->self_scm());
        }
        | output_def {
+               SCM id = SCM_EOL;
                if (dynamic_cast<Paper_def*> ($1))
-                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultpaper"), $1->self_scm ());
+                       id = scm_makfrom0str ("$defaultpaper");
                else if (dynamic_cast<Midi_def*> ($1))
-                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultmidi"), $1->self_scm ());
+                       id = scm_makfrom0str ("$defaultmidi");
+               THIS->lexer_->set_identifier (id,   $1->self_scm ());
+               scm_gc_unprotect_object ($1->self_scm ());
        }
        ;
 
@@ -477,26 +470,7 @@ embedded_scm:
        ;
 
 
-chordmodifiers_block:
-       CHORDMODIFIERS notenames_body   {  $$ = $2; }
-       ;
 
-notenames_block:
-       PITCHNAMES notenames_body   {  $$ = $2; }
-       ;
-
-notenames_body:
-       embedded_scm    {
-         int i = scm_ilength ($1);
-
-         SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
-         for (SCM s = $1; gh_pair_p (s); s = ly_cdr (s)) {
-               SCM pt = ly_cdar (s);
-               scm_hashq_set_x (tab, ly_caar (s), pt);
-         }
-         $$ = tab;
-       }
-       ;
 
 lilypond_header_body:
        {
@@ -548,7 +522,6 @@ all objects can be unprotected as soon as they're here.
        ;
 
 
-
 identifier_init:
        score_block {
                $$ = $1->self_scm ();
@@ -604,8 +577,10 @@ translator_spec_body:
 
                for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p)) {
                        SCM tag = gh_caar (p);
+
+                       /* TODO: should make new tag "grob-definition" ? */
                        td->add_context_mod (scm_list_n (ly_symbol2scm ("assign"),
-                                                       tag, ly_cdar (p), SCM_UNDEFINED));
+                                                       tag, gh_cons (ly_cdar (p), SCM_EOL), SCM_UNDEFINED));
                }
        }
        | translator_spec_body context_mod {
@@ -645,7 +620,7 @@ score_body:
 
        }
        | SCORE_IDENTIFIER {
-               $$ = unsmob_score ($1);
+               $$ = new Score ( *unsmob_score ($1));
                $$->set_spot (THIS->here_input ());
        }
        | score_body lilypond_header    {
@@ -653,6 +628,7 @@ score_body:
        }
        | score_body output_def {
                $$->defs_.push ($2);
+               scm_gc_unprotect_object ($2->self_scm ());
        }
        | score_body error {
 
@@ -703,6 +679,7 @@ music_output_def_body:
                
        }
        | music_output_def_head '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
+               scm_gc_unprotect_object ($1->self_scm ());
                Music_output_def * o =  unsmob_music_output_def ($3);
                $$ = o;
                THIS->lexer_->remove_scope ();
@@ -724,6 +701,7 @@ music_output_def_body:
                Midi_def * md = dynamic_cast<Midi_def*> ($$);
                if (md)
                        md->set_tempo (d->get_length (), m);
+               scm_gc_unprotect_object ($2->self_scm ());
        }
        | music_output_def_body error {
 
@@ -908,16 +886,29 @@ context_mod_list:
        ;
 
 Composite_music:
-       AUTOCHANGE STRING Music {
-               Music*chm = MY_MAKE_MUSIC("AutoChangeMusic");
-               chm->set_mus_property ("element", $3->self_scm ());
-               chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_proc);
+       AUTOCHANGE Music        {
+               static SCM proc ;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-autochange-music");
+       
+               SCM res = scm_call_1 (proc,  $2->self_scm ());
+               scm_gc_unprotect_object ($2->self_scm ());
+               $$ = unsmob_music (res);
+               scm_gc_protect_object (res);
+               $$->set_spot (THIS->here_input());
+       }
+       | PARTCOMBINE Music Music {
+               static SCM proc;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-part-combine-music");
 
+               SCM res = scm_call_1 (proc, gh_list ($2->self_scm (),
+                       $3->self_scm (), SCM_UNDEFINED));  
                scm_gc_unprotect_object ($3->self_scm ());
-               chm->set_mus_property ("what", scm_string_to_symbol ($2));
-
-               $$ = chm;
-               chm->set_spot (*$3->origin ());
+               scm_gc_unprotect_object ($2->self_scm ());
+               $$ = unsmob_music (res);
+               scm_gc_protect_object (res);
+               $$->set_spot (THIS->here_input());
        }
        | grace_head Music {
 #if 1
@@ -956,7 +947,6 @@ basic music objects too, since the meaning is different.
                        scm_gc_unprotect_object (startm->self_scm ());
                }
 
-       
                Music* seq = MY_MAKE_MUSIC("SequentialMusic");
                seq->set_mus_property ("elements", ms);
 
@@ -1033,7 +1023,19 @@ basic music objects too, since the meaning is different.
                        }
        }
        | NOTES
-               { THIS->lexer_->push_note_state (); }
+               {
+               SCM nn = THIS->lexer_->lookup_identifier ("pitchnames");
+               THIS->lexer_->push_note_state (alist_to_hashq (nn));
+       }
+       Music
+               { $$ = $3;
+                 THIS->lexer_->pop_state ();
+               }
+       | DRUMS
+               {
+               SCM nn = THIS->lexer_->lookup_identifier ("drumPitchNames");
+               THIS->lexer_->push_note_state (alist_to_hashq (nn));
+       }
        Music
                { $$ = $3;
                  THIS->lexer_->pop_state ();
@@ -1049,10 +1051,13 @@ basic music objects too, since the meaning is different.
 
                  THIS->lexer_->pop_state ();
        }
-       | CHORDS
-               { THIS->lexer_->push_chord_state (); }
-       Music
-               {
+       | CHORDS {
+               SCM nn = THIS->lexer_->lookup_identifier ("chordmodifiers");
+               THIS->lexer_->chordmodifier_tab_ = alist_to_hashq (nn);
+               nn = THIS->lexer_->lookup_identifier ("pitchnames");
+               THIS->lexer_->push_chord_state (alist_to_hashq (nn));
+
+       } Music {
                  Music * chm = MY_MAKE_MUSIC("UnrelativableMusic");
                  chm->set_mus_property ("element", $3->self_scm ());
                  scm_gc_unprotect_object ($3->self_scm());
@@ -1069,7 +1074,6 @@ basic music objects too, since the meaning is different.
        }
        | relative_music        { $$ = $1; }
        | re_rhythmed_music     { $$ = $1; } 
-       | part_combined_music   { $$ = $1; }
        | TAG embedded_scm Music {
                tag_music ($3, $2, THIS->here_input ());
                $$ = $3;
@@ -1109,19 +1113,6 @@ re_rhythmed_music:
        }
        ;
 
-part_combined_music:
-       PARTCOMBINE STRING Music Music {
-               Music * p= MY_MAKE_MUSIC("PartCombineMusic");
-               p->set_mus_property ("what", scm_string_to_symbol ($2));
-               p->set_mus_property ("elements", gh_list ($3->self_scm (),$4->self_scm (), SCM_UNDEFINED));  
-
-               scm_gc_unprotect_object ($3->self_scm ());
-               scm_gc_unprotect_object ($4->self_scm ());  
-
-               $$ = p;
-       }
-       ;
-
 context_change:
        CHANGE STRING '=' STRING  {
                Music*t= MY_MAKE_MUSIC("TranslatorChange");
@@ -1177,27 +1168,52 @@ context_mod:
        }
        ;
 
-music_property_def:
-       PROPERTY STRING '.' property_operation {
-               Music * t = property_op_to_music ($4);
-               Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
-
-               csm->set_mus_property ("element", t->self_scm ());
-               scm_gc_unprotect_object (t->self_scm ());
-
-               $$ = csm;
-               $$->set_spot (THIS->here_input ());
+context_prop_spec:
+       STRING  {
+               $$ = scm_list_n (ly_symbol2scm ("Bottom"), scm_string_to_symbol ($1), SCM_UNDEFINED);
+       }
+       | STRING '.' STRING {
+               $$ = scm_list_n (scm_string_to_symbol ($1), scm_string_to_symbol ($3), SCM_UNDEFINED);
+       }
+       ;
 
-               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
+music_property_def:
+       OVERRIDE context_prop_spec embedded_scm '=' scalar {
+               $$ = property_op_to_music (scm_list_n (
+                       ly_symbol2scm ("poppush"),
+                       gh_cadr ($2),
+                       $3, $5, SCM_UNDEFINED));
+               $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
+       }
+       | SET context_prop_spec '=' scalar {
+               $$ = property_op_to_music (scm_list_n (
+                       ly_symbol2scm ("assign"),
+                       gh_cadr ($2),
+                       $4, SCM_UNDEFINED));
+               $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
+       }
+       | REVERT context_prop_spec embedded_scm {
+               $$ = property_op_to_music (scm_list_n (
+                       ly_symbol2scm ("pop"),
+                       gh_cadr ($2),
+                       $3, SCM_UNDEFINED));
+
+               $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
+       }
+       | UNSET context_prop_spec {
+               $$ = property_op_to_music (scm_list_n (
+                       ly_symbol2scm ("unset"),
+                       gh_cadr ($2)));
+               $$= context_spec_music (gh_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
        }
        | ONCE music_property_def {
                $$ = $2;
-               SCM e = $2->get_mus_property ("element");
-               unsmob_music (e)->set_mus_property ("once", SCM_BOOL_T);
+               $$->set_mus_property ("once", SCM_BOOL_T);
        }
        ;
 
 
+
 scalar:
         string          { $$ = $1; }
         | bare_int      { $$ = gh_int2scm ($1); }
@@ -1298,9 +1314,22 @@ chord_body_element:
                if ($2 % 2 || $3 % 2)
                        n->set_mus_property ("force-accidental", SCM_BOOL_T);
 
-               SCM arts = scm_reverse_x ($4, SCM_EOL);
-               n->set_mus_property ("articulations", arts);
+               if (gh_pair_p ($4)) {
+                       SCM arts = scm_reverse_x ($4, SCM_EOL);
+                       n->set_mus_property ("articulations", arts);
+               }
+               $$ = n;
+       }
+       | DRUM_PITCH post_events {
+               Music *n =  MY_MAKE_MUSIC("NoteEvent");
+               n->set_mus_property ("duration" ,$2);
+               n->set_mus_property ("drum-type" , $1);
+               n->set_spot (THIS->here_input());
 
+               if (gh_pair_p ($2)) {
+                       SCM arts = scm_reverse_x ($2, SCM_EOL);
+                       n->set_mus_property ("articulations", arts);
+               }
                $$ = n;
        }
        ;
@@ -1314,6 +1343,12 @@ command_element:
                $$-> set_spot (THIS->here_input ());
                $1-> set_spot (THIS->here_input ());
        }
+       | SKIP duration_length {
+               Music * skip = MY_MAKE_MUSIC("SkipMusic");
+               skip->set_mus_property ("duration", $2);
+
+               $$ = skip;
+       }
        | OCTAVE { THIS->push_spot (); }
          pitch {
                Music *l = MY_MAKE_MUSIC("RelativeOctaveCheck");
@@ -1403,34 +1438,16 @@ command_element:
        ;
 
 command_req:
-       shorthand_command_req   { $$ = $1; }
-       | verbose_command_req   { $$ = $1; }
-       ;
-
-shorthand_command_req:
-       hyphen_req {
-               $$ = $1;
-       }
-       | BREATHE {
+       BREATHE {
                $$ = MY_MAKE_MUSIC("BreathingSignEvent");
        }
        | E_TILDE {
                $$ = MY_MAKE_MUSIC("PesOrFlexaEvent");
        }
-       ;
-
-verbose_command_req:
-       MARK DEFAULT  {
+       | MARK DEFAULT  {
                Music * m = MY_MAKE_MUSIC("MarkEvent");
                $$ = m;
        }
-       
-       | SKIP duration_length {
-               Music * skip = MY_MAKE_MUSIC("SkipEvent");
-               skip->set_mus_property ("duration", $2);
-
-               $$ = skip;
-       }
        | tempo_event {
                $$ = $1;
        }
@@ -1482,6 +1499,11 @@ post_event:
        direction_less_event {
                $$ = $1;
        }
+       | HYPHEN {
+               if (!THIS->lexer_->lyric_state_b ())
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+               $$ = MY_MAKE_MUSIC("HyphenEvent");
+       }
        | EXTENDER {
                if (!THIS->lexer_->lyric_state_b ())
                        THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
@@ -1647,14 +1669,6 @@ pitch_also_in_chords:
        | steno_tonic_pitch
        ;
 
-hyphen_req:
-       HYPHEN {
-               if (!THIS->lexer_->lyric_state_b ())
-                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
-               $$ = MY_MAKE_MUSIC("HyphenEvent");
-       }
-       ;
-
 close_event:
        '('     {
                Music * s= MY_MAKE_MUSIC("SlurEvent");
@@ -1965,6 +1979,21 @@ simple_element:
                n->set_spot (i);
                $$ = v;
        }
+       | DRUM_PITCH optional_notemode_duration {
+               Input i = THIS->pop_spot ();
+
+               Music *n =  MY_MAKE_MUSIC("NoteEvent");
+               n->set_mus_property ("duration" ,$2);
+               n->set_mus_property ("drum-type" , $1);
+
+               Music *v = MY_MAKE_MUSIC("EventChord");
+               v->set_mus_property ("elements", scm_list_n (n->self_scm (), SCM_UNDEFINED));
+               scm_gc_unprotect_object (n->self_scm());
+               v->set_spot (i);
+               n->set_spot (i);
+               $$ = v;
+               
+       }
        | figure_spec optional_notemode_duration {
                Music * m = unsmob_music ($1);
                Input i = THIS->pop_spot (); 
@@ -1993,6 +2022,8 @@ simple_element:
                velt->set_mus_property ("elements", scm_list_n (ev->self_scm (),SCM_UNDEFINED));
                velt->set_spot (i);
 
+               scm_gc_unprotect_object (ev->self_scm());
+
                $$ = velt;
        }
        | MULTI_MEASURE_REST optional_notemode_duration         {
@@ -2442,7 +2473,8 @@ context_spec_music (SCM type, SCM id, Music * m, SCM ops)
        csm->set_mus_property ("element", m->self_scm ());
        scm_gc_unprotect_object (m->self_scm ());
 
-       csm->set_mus_property ("context-type", scm_string_to_symbol (type));
+       csm->set_mus_property ("context-type",
+               gh_symbol_p (type) ? type : scm_string_to_symbol (type));
        csm->set_mus_property ("property-operations", ops);
 
        if (gh_string_p (id))
@@ -2461,3 +2493,4 @@ get_next_unique_context ()
                
        return scm_makfrom0str (s);
 }
+