]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
* mf/GNUmakefile: always trace pfa fonts.
[lilypond.git] / lily / parser.yy
index 19cd1d3216dff81b12bd74d94d1c2b5acc699084..2f9d9b37c232daa0163a66877b4a4e2be722c178 100644 (file)
@@ -5,31 +5,62 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
            Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 /*
-  Two shift/reduce problems:
-    -
-    -
+  Four shift/reduce problems:
+
+1.     foo = bar.
+
+       "bar" -> String -> Lyric -> Music -> music-assignment
+
+       "bar" -> String -> string-assignment
+
+
+Similar problem for
+
+ * \markup identifier.
+ * \markup { }
+
+
+2.  \repeat
+       \repeat .. \alternative
+
+
+    \repeat { \repeat .. \alternative }
+
+or
+
+    \repeat { \repeat } \alternative 
+
+)
+
+--hwn
+
  */
 
 /*
 
-the rules for who is protecting what are very shady. TODO: uniformise
-this.
+TODO:
+
+* The rules for who is protecting what are very shady. Uniformise
+  this.
 
+* There are too many lexical modes?
 
 */
 
 #include <ctype.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdio.h>
 
-//#include <iostream>
 
+#include "scm-option.hh"
 #include "translator-def.hh"
 #include "lily-guile.hh"
-#include "change-iterator.hh"
 #include "misc.hh"
 #include "my-lily-lexer.hh"
 #include "paper-def.hh"
@@ -38,29 +69,54 @@ this.
 #include "file-path.hh"
 #include "warn.hh"
 #include "dimensions.hh"
-#include "command-request.hh"
-#include "musical-request.hh"
 #include "my-lily-parser.hh"
-#include "context-specced-music.hh"
 #include "score.hh"
-#include "music-list.hh"
-#include "output-property-music-iterator.hh"
-#include "property-iterator.hh"
-#include "file-results.hh"
+#include "input-file-results.hh"
 #include "input.hh"
-#include "relative-music.hh"
-#include "lyric-combine-music.hh"
-#include "transposed-music.hh"
-#include "time-scaled-music.hh"
-#include "repeated-music.hh"
-#include "untransposable-music.hh"
 #include "lilypond-input-version.hh"
-#include "grace-music.hh"
-#include "part-combine-music.hh"
 #include "scm-hash.hh"
 #include "auto-change-iterator.hh"
-#include "un-relativable-music.hh"
-#include "chord.hh"
+#include "ly-modules.hh"
+#include "music-sequence.hh"
+#include "input-smob.hh"
+#include "event.hh"
+#include "text-item.hh"
+#include "music-list.hh"
+
+
+#define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
+
+
+
+#define YYERROR_VERBOSE 1
+
+My_lily_parser* my_lily_parser;
+#define YYPARSE_PARAM my_lily_parser
+#define YYLEX_PARAM my_lily_parser
+#define THIS\
+       ((My_lily_parser *) my_lily_parser)
+
+#define yyerror THIS->parser_error
+
+/*
+  Add symbols to the  TAGS field of a music object. 
+*/
+
+void
+tag_music (Music*m,  SCM tag, Input ip)
+{
+       SCM tags = m->get_mus_property ("tags");
+       if (gh_symbol_p (tag))
+               tags = scm_cons (tag, tags);
+       else if (gh_list_p (tag))
+               tags = gh_append2 (tag, tags);
+       else
+               ip.warning (_("Tag must be symbol or list of symbols."));
+
+       m->set_mus_property ("tags", tags);
+}
+
+
 
 bool
 regular_identifier_b (SCM id)
@@ -77,19 +133,17 @@ regular_identifier_b (SCM id)
   return v;
 }
 
-
-Music* 
-set_property_music (SCM sym, SCM value)
+SCM
+make_simple_markup (SCM a)
 {
-       Music * p = new Music (SCM_EOL);
-       p->set_mus_property ("symbol", sym);
-       p->set_mus_property ("iterator-ctor",
-       Property_iterator::constructor_cxx_function);
+       static SCM simple;
+       if (!simple)
+       simple = scm_c_eval_string ("simple-markup");
 
-       p->set_mus_property ("value", value);
-       return p;
+       return scm_list_n (simple, a, SCM_UNDEFINED);
 }
 
+
 bool
 is_duration_b (int t)
 {
@@ -105,28 +159,47 @@ set_music_properties (Music *p, SCM a)
        }
 }
 
+SCM
+make_chord_step (int step, int alter)
+{
+       if (step == 7)
+               alter--;
 
+       /* ugh: fucks up above 13 */
+       Pitch m(step > 7 ? 1 : 0,(step - 1) % 7, alter);
+       return m.smobbed_copy ();
+}
 
 
+SCM
+make_chord (SCM pitch, SCM dur, SCM modification_list)
+{
+       static SCM chord_ctor;
+       if (!chord_ctor)
+               chord_ctor= scm_c_eval_string ("construct-chord");
+       SCM ch=  scm_call_3 (chord_ctor, pitch, dur, modification_list);
+       scm_gc_protect_object (ch);
+       return ch;
+}
 
+/*
+  Todo: actually also use apply iso. call too ... 
+*/
+bool
+ly_input_procedure_p (SCM x)
+{
+       return gh_procedure_p (x)
+               || (gh_pair_p (x) && gh_procedure_p (gh_car (x)));
+}
 
-
-// needed for bison.simple's malloc () and free ()
-
-#include <malloc.h>
-#include <stdlib.h>
-
-
-
-#define YYERROR_VERBOSE 1
-
-#define YYPARSE_PARAM my_lily_parser
-#define YYLEX_PARAM my_lily_parser
-#define THIS\
-       ((My_lily_parser *) my_lily_parser)
-
-#define yyerror THIS->parser_error
-#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
+Music* 
+set_property_music (SCM sym, SCM value)
+{
+       Music * p = MY_MAKE_MUSIC("PropertySet");
+       p->set_mus_property ("symbol", sym);
+       p->set_mus_property ("value", value);
+       return p;
+}
 
 %}
 
@@ -136,20 +209,11 @@ of the parse stack onto the heap. */
 
 
 %union {
-
-    Link_array<Request> *reqvec;
-
-    String *string; // needed by the lexer as temporary scratch area.
+       String * string;
     Music *music;
     Score *score;
-    Scheme_hash_table *scmhash;
     Music_output_def * outputdef;
-
-    Request * request;
-
     SCM scm;
-
-    Tempo_req *tempo;
     int i;
 }
 %{
@@ -161,6 +225,7 @@ yylex (YYSTYPE *s,  void * v)
        My_lily_lexer * lex = pars->lexer_;
 
        lex->lexval = (void*) s;
+       lex->prepare_for_next_token();
        return lex->yylex ();
 }
 
@@ -169,89 +234,88 @@ yylex (YYSTYPE *s,  void * v)
 
 %pure_parser
 
-/* tokens which are not keywords */
-%token AUTOCHANGE
-%token ALIAS
-%token APPLY
-%token ARPEGGIO
-%token DYNAMICSCRIPT
+
 %token ACCEPTS
+%token ADDLYRICS
+%token ALIAS
 %token ALTERNATIVE
+%token APPLY
+%token APPLYCONTEXT
+%token APPLYOUTPUT
+%token AUTOCHANGE
 %token BAR
 %token BREATHE
-%token CHORDMODIFIERS
+%token CHORDMODIFIERS  
 %token CHORDS
-%token CHAR_T
+%token LESSLESS
+%token MOREMORE
 %token CLEF
-%token CM_T
+%token COMMANDSPANREQUEST
 %token CONSISTS
-%token DURATION
-%token SEQUENTIAL
-%token GROBDESCRIPTIONS
-%token SIMULTANEOUS
 %token CONSISTSEND
+%token CONTEXT
+%token DEFAULT
 %token DENIES
-%token DURATION
+%token DESCRIPTION
 %token EXTENDER
 %token FIGURES FIGURE_OPEN FIGURE_CLOSE
 %token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
-%token GLISSANDO
 %token GRACE 
+%token ACCIACCATURA
+%token APPOGGIATURA 
+%token GROBDESCRIPTIONS
 %token HEADER
 %token HYPHEN
-%token IN_T
 %token INVALID
 %token KEY
 %token LYRICS
 %token MARK
-%token MULTI_MEASURE_REST
 %token MIDI
-%token MM_T
-%token PITCH
-%token DEFAULT
+%token MULTI_MEASURE_REST
 %token NAME
-%token PITCHNAMES
+%token NEWCONTEXT
 %token NOTES
+%token OCTAVE
+%token ONCE
+%token OVERRIDE SET REVERT 
 %token PAPER
+%token PARTCOMBINE
 %token PARTIAL
-%token PENALTY
+%token PITCHNAMES
 %token PROPERTY
-%token OVERRIDE SET REVERT 
-%token PT_T
 %token RELATIVE
 %token REMOVE
 %token REPEAT
-%token ADDLYRICS
-%token PARTCOMBINE
+%token REST
 %token SCM_T
 %token SCORE
-%token SCRIPT
+%token SEQUENTIAL
+%token SIMULTANEOUS
 %token SKIP
 %token SPANREQUEST
-%token STYLESHEET
-%token COMMANDSPANREQUEST
+%token TAG
 %token TEMPO
-%token OUTPUTPROPERTY
-%token TIME_T
 %token TIMES
+%token TIME_T
 %token TRANSLATOR
 %token TRANSPOSE
 %token TYPE
 %token UNSET
-%token CONTEXT
-%token REST
+
 
 /* escaped */
 %token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
 %token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
 %token E_BACKSLASH
-%token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET
+%token <i> E_UNSIGNED
+%token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
 %token FIGURE_SPACE
 
-
 %type <i>      exclamations questions dots optional_rest
-%type <i>      bass_number bass_mod
-%type <scm>    br_bass_figure bass_figure figure_list figure_spec
+%type <i>       bass_mod
+%type <scm>    grace_head
+%type <scm>    lyric_element
+%type <scm>    bass_number br_bass_figure bass_figure figure_list figure_spec
 %token <i>     DIGIT
 %token <scm>   NOTENAME_PITCH
 %token <scm>   TONICNAME_PITCH
@@ -259,13 +323,14 @@ yylex (YYSTYPE *s,  void * v)
 %token <scm>   DURATION_IDENTIFIER
 %token <scm>    FRACTION
 %token <id>    IDENTIFIER
+%token <scm>   CHORDNAMES
 
+%token <scm> CHORD_MODIFIER
 
 %token <scm>   SCORE_IDENTIFIER
 %token <scm>   MUSIC_OUTPUT_DEF_IDENTIFIER
-
 %token <scm>   NUMBER_IDENTIFIER
-%token <scm>   REQUEST_IDENTIFIER
+%token <scm>   EVENT_IDENTIFIER
 %token <scm>   MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
 %token <scm>   STRING_IDENTIFIER SCM_IDENTIFIER 
 %token <scm>   RESTNAME
@@ -274,50 +339,59 @@ yylex (YYSTYPE *s,  void * v)
 %token <i>     UNSIGNED
 %token <scm>   REAL
 
+%token MARKUP
+%token <scm> MARKUP_HEAD_MARKUP0
+%token <scm> MARKUP_HEAD_MARKUP0_MARKUP1
+%token <scm> MARKUP_HEAD_SCM0
+%token <scm> MARKUP_HEAD_SCM0_MARKUP1
+%token <scm> MARKUP_HEAD_SCM0_SCM1 
+%token <scm> MARKUP_HEAD_SCM0_SCM1_SCM2 
+%token <scm> MARKUP_HEAD_SCM0_SCM1_MARKUP2
+
+%token <scm> MARKUP_IDENTIFIER MARKUP_HEAD_LIST0
+%type <scm> markup markup_line markup_list  markup_list_body full_markup 
+
 %type <outputdef> output_def
-%type <scmhash>        lilypond_header lilypond_header_body
-%type <request>        open_request_parens close_request_parens open_request close_request
-%type <request> request_with_dir request_that_take_dir verbose_request
+%type <scm>    lilypond_header lilypond_header_body
+%type <music>  open_event close_event
 %type <i>      sub_quotes sup_quotes
-%type <music>  simple_element  request_chord command_element Simple_music  Composite_music 
+%type <music>  simple_element  event_chord command_element Simple_music  Composite_music 
 %type <music>  Repeated_music
 %type <scm>     Alternative_music
 %type <i>      tremolo_type
 %type <i>      bare_int  bare_unsigned
 %type <i>      script_dir
-
 %type <scm>    identifier_init 
 
+%type <music> note_chord_element chord_body chord_body_element
+%type <scm>  chord_body_elements 
 %type <scm> steno_duration optional_notemode_duration multiplied_duration
-%type <scm>  verbose_duration
        
-%type <reqvec>  pre_requests post_requests
-%type <request> gen_text_def
-%type <scm>   steno_pitch pitch absolute_pitch
-%type <scm>   explicit_pitch steno_tonic_pitch
-
-%type <scm>    chord_additions chord_subtractions chord_notes chord_step
-%type <music>  chord
-%type <scm>    chord_note chord_inversion chord_bass
+%type <scm>   post_events 
+%type <music> gen_text_def direction_less_event direction_reqd_event
+%type <scm>   steno_pitch pitch absolute_pitch pitch_also_in_chords
+%type <scm>    steno_tonic_pitch
 %type <scm>    duration_length fraction
 
+%type <scm> new_chord step_number chord_items chord_item chord_separator step_numbers
+
 %type <scm>  embedded_scm scalar
 %type <music>  Music Sequential_music Simultaneous_music 
 %type <music>  relative_music re_rhythmed_music part_combined_music
-%type <music>  property_def translator_change
+%type <music>  property_def translator_change  simple_property_def
 %type <scm> Music_list
 %type <outputdef>  music_output_def_body
-%type <request> shorthand_command_req
-%type <request>        post_request 
+%type <music> shorthand_command_req
+%type <music>  post_event tagged_post_event
 %type <music> command_req verbose_command_req
-%type <request>        extender_req
-%type <request> hyphen_req
+%type <music>  extender_req
+%type <music> hyphen_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 <tempo>  tempo_request
+%type <music>  tempo_event
 %type <scm> notenames_body notenames_block chordmodifiers_block
 %type <scm>    script_abbreviation
 
@@ -351,22 +425,17 @@ toplevel_expression:
                THIS->lexer_->chordmodifier_tab_  = $1;
        }
        | lilypond_header {
-               if (global_header)
-                       scm_gc_unprotect_object (global_header->self_scm ());
-               global_header = $1;
+               THIS->input_file_->header_ = $1;
        }
        | score_block {
-               score_globals.push ($1);
+               THIS->input_file_->scores_.push ($1);
        }
        | output_def {
                if (dynamic_cast<Paper_def*> ($1))
-                       THIS->lexer_->set_identifier (gh_str02scm ("$defaultpaper"), $1->self_scm ());
+                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultpaper"), $1->self_scm ());
                else if (dynamic_cast<Midi_def*> ($1))
-                       THIS->lexer_->set_identifier (gh_str02scm ("$defaultmidi"), $1->self_scm ());
+                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultmidi"), $1->self_scm ());
        }
-       | embedded_scm {
-               // junk value
-       }       
        ;
 
 embedded_scm:
@@ -390,30 +459,25 @@ notenames_body:
          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);
-               if (!unsmob_pitch (pt))
-                       THIS->parser_error ("Need pitch object.");
-               else
-                       scm_hashq_set_x (tab, ly_caar (s), pt);
+               scm_hashq_set_x (tab, ly_caar (s), pt);
          }
-
          $$ = tab;
        }
        ;
 
 lilypond_header_body:
        {
-               $$ = new Scheme_hash_table;
-               THIS->lexer_-> scopes_.push ($$);
+               $$ = ly_make_anonymous_module (); 
+               THIS->lexer_->add_scope ($$);
        }
        | lilypond_header_body assignment  { 
-
+               
        }
        ;
 
 lilypond_header:
        HEADER '{' lilypond_header_body '}'     {
-               $$ = $3;
-               THIS->lexer_->scopes_.pop ();
+               $$ = THIS->lexer_-> remove_scope();
        }
        ;
 
@@ -434,7 +498,7 @@ assignment:
 
                if (! regular_identifier_b ($1))
                {
-                       ip.warning (_ ("Identifier should have  alphabetic characters only"));
+                       ip.warning (_ ("Identifier should have alphabetic characters only"));
                }
 
                THIS->lexer_->set_identifier ($1, $4);
@@ -447,6 +511,7 @@ all objects can be unprotected as soon as they're here.
 
 */
        }
+       | embedded_scm { }
        ;
 
 
@@ -456,6 +521,9 @@ identifier_init:
                $$ = $1->self_scm ();
                scm_gc_unprotect_object ($$);
        }
+       | full_markup {
+               $$ = $1;
+       }
        | output_def {
                $$ = $1->self_scm ();
                scm_gc_unprotect_object ($$);
@@ -467,13 +535,10 @@ identifier_init:
                $$ = $1->self_scm ();
                scm_gc_unprotect_object ($$);
        }
-       | post_request {
+       | post_event {
                $$ = $1->self_scm ();
                scm_gc_unprotect_object ($$);
        }
-       | verbose_duration {
-               $$ = $1;
-       }
        | number_expression {
                $$ = $1;
        }
@@ -494,7 +559,7 @@ translator_spec_block:
 
 translator_spec_body:
        TRANSLATOR_IDENTIFIER   {
-               $$ = unsmob_translator_def ($1)->clone_scm ();
+               $$ = $1;
                unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
        }
        | TYPE STRING   {
@@ -503,6 +568,9 @@ translator_spec_body:
                td->translator_group_type_ = $2;
                td->set_spot (THIS->here_input ());
        }
+       | translator_spec_body DESCRIPTION string  {
+               unsmob_translator_def ($$)->description_ = $3;
+       }
        | translator_spec_body STRING '=' embedded_scm                  {
                unsmob_translator_def ($$)->add_property_assign ($2, $4);
        }
@@ -519,14 +587,14 @@ translator_spec_body:
                scm_string_to_symbol ($2), $4);
        }
        | translator_spec_body NAME STRING  {
-               unsmob_translator_def ($$)->type_name_ = $3;
+               unsmob_translator_def ($$)->type_name_ = scm_string_to_symbol ($3);
        }
        | translator_spec_body CONSISTS STRING  {
                unsmob_translator_def ($$)->add_element ($3);
        }
        | translator_spec_body ALIAS STRING  {
                Translator_def*td = unsmob_translator_def ($$);
-               td->type_aliases_ = gh_cons ($3, td->type_aliases_);
+               td->type_aliases_ = scm_cons (scm_string_to_symbol ($3), td->type_aliases_);
        }
        | translator_spec_body GROBDESCRIPTIONS embedded_scm {
                Translator_def*td = unsmob_translator_def($$);
@@ -538,10 +606,10 @@ translator_spec_body:
                unsmob_translator_def ($$)->add_last_element ( $3);
        }
        | translator_spec_body ACCEPTS STRING  {
-               unsmob_translator_def ($$)->set_acceptor ($3,true);
+               unsmob_translator_def ($$)->set_acceptor (scm_string_to_symbol ($3), true);
        }
        | translator_spec_body DENIES STRING  {
-               unsmob_translator_def ($$)->set_acceptor ($3,false);
+               unsmob_translator_def ($$)->set_acceptor (scm_string_to_symbol ($3), false);
        }
        | translator_spec_body REMOVE STRING  {
                unsmob_translator_def ($$)->remove_element ($3);
@@ -585,11 +653,10 @@ score_body:
 
        }
        | SCORE_IDENTIFIER {
-               $$ = new Score (*unsmob_score ($1));
+               $$ = unsmob_score ($1);
                $$->set_spot (THIS->here_input ());
        }
        | score_body lilypond_header    {
-               scm_gc_unprotect_object ($2->self_scm ()); 
                $$->header_ = $2;
        }
        | score_body output_def {
@@ -607,23 +674,23 @@ score_body:
 output_def:
        music_output_def_body '}' {
                $$ = $1;
-               THIS-> lexer_-> scopes_.pop ();
+               THIS-> lexer_-> remove_scope ();
        }
        ;
 
 music_output_def_body:
        MIDI '{'    {
-          Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
+               Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 
-               
-        Midi_def* p =0;
-       if (id)
-               p = dynamic_cast<Midi_def*> (id->clone ());
-       else
-               p = new Midi_def;
 
-        $$ = p;
-        THIS->lexer_->scopes_.push (p->variable_tab_);
+               Midi_def* p =0;
+               if (id)
+                       p = dynamic_cast<Midi_def*> (id->clone ());
+               else
+                       p = new Midi_def;
+
+               $$ = p;
+               THIS->lexer_->add_scope (p->scope_);
        }
        | PAPER '{'     {
                Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
@@ -632,21 +699,21 @@ music_output_def_body:
                        p = dynamic_cast<Paper_def*> (id->clone ());
                else
                        p = new Paper_def;
-               THIS-> lexer_-> scopes_.push (p->variable_tab_);
+
+               THIS->lexer_->add_scope (p->scope_);
                $$ = p;
        }
        | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
-               Music_output_def *p = unsmob_music_output_def ($3);
-               p = p->clone ();
-               THIS->lexer_->scopes_.push (p->variable_tab_);
-               $$ = p;
+               Music_output_def * o =  unsmob_music_output_def ($3);
+               $$ =o;
+
+               THIS->lexer_->add_scope (o->scope_);
        }
        | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
-               Music_output_def *p = unsmob_music_output_def ($3);
-               p = p->clone ();
+               Music_output_def * o =  unsmob_music_output_def ($3);
+               $$ = o;
 
-               THIS->lexer_->scopes_.push (p->variable_tab_);
-               $$ = p;
+               THIS->lexer_->add_scope (o->scope_);
        }
        | music_output_def_body assignment  {
 
@@ -654,29 +721,26 @@ music_output_def_body:
        | music_output_def_body translator_spec_block   {
                $$->assign_translator ($2);
        }
-       | music_output_def_body STYLESHEET embedded_scm {
-               dynamic_cast<Paper_def*> ($$)-> style_sheet_ = $3;
-       }
-       | music_output_def_body tempo_request  {
+       | music_output_def_body tempo_event  {
                /*
                        junk this ? there already is tempo stuff in
                        music.
                */
                int m = gh_scm2int ( $2->get_mus_property ("metronome-count"));
-               Duration *d = unsmob_duration ($2->get_mus_property ("duration"));
+               Duration *d = unsmob_duration ($2->get_mus_property ("tempo-unit"));
                Midi_def * md = dynamic_cast<Midi_def*> ($$);
                if (md)
-                       md->set_tempo (d->length_mom (), m);
+                       md->set_tempo (d->get_length (), m);
        }
        | music_output_def_body error {
 
        }
        ;
 
-tempo_request:
+tempo_event:
        TEMPO steno_duration '=' bare_unsigned  {
-               $$ = new Tempo_req;
-               $$->set_mus_property ("duration", $2);
+               $$ = MY_MAKE_MUSIC("MetronomeChangeEvent");
+               $$->set_mus_property ("tempo-unit", $2);
                $$->set_mus_property ("metronome-count", gh_int2scm ( $4));
        }
        ;
@@ -688,12 +752,13 @@ The representation of a  list is the
 
  to have  efficient append.
 */
-Music_list: /* empty */ {
-               $$ = gh_cons (SCM_EOL, SCM_EOL);
+Music_list:
+       /* empty */ {
+               $$ = scm_cons (SCM_EOL, SCM_EOL);
        }
        | Music_list Music {
                SCM s = $$;
-               SCM c = gh_cons ($2->self_scm (), SCM_EOL);
+               SCM c = scm_cons ($2->self_scm (), SCM_EOL);
                scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
                if (gh_pair_p (ly_cdr (s)))
                        gh_set_cdr_x (ly_cdr (s), c); /* append */
@@ -733,7 +798,14 @@ Repeated_music:
                  alts = ly_truncate_list (times, alts);
                }
 
-               Repeated_music * r = new Repeated_music (SCM_EOL);
+
+               static SCM proc;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-repeated-music");
+
+               SCM mus = scm_call_1 (proc, $2);
+               scm_gc_protect_object (mus); // UGH. 
+               Music *r =unsmob_music (mus);
                if (beg)
                        {
                        r-> set_mus_property ("element", beg->self_scm ());
@@ -742,23 +814,31 @@ Repeated_music:
                r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 
                r-> set_mus_property ("elements",alts);
-               SCM func = scm_primitive_eval (ly_symbol2scm ("repeat-name-to-ctor"));
-               SCM result = gh_call1 (func, $2);
-
-               if (gh_equal_p ($2, ly_str02scm ("tremolo")))
-               {
-               /*
-               we can not get durations and other stuff correct down the line, so we have to
-               add to the duration log here.
+               if (gh_equal_p ($2, scm_makfrom0str ("tremolo"))) {
+                       /*
+                       we can not get durations and other stuff correct down the line, so we have to
+                       add to the duration log here.
+                       */
+                       static SCM func;
+
+                       if (!func)
+                               func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
+
+                       int dots = ($3 % 3) ? 0 : 1;
+                       int shift = -intlog2 ((dots) ? ($3*2/3) : $3);
+
+                       Sequential_music * seq = dynamic_cast<Sequential_music*> ($4);
+                       
+                       if (seq) {
+                               int list_len =scm_ilength (seq->music_list ());
+                               if (list_len != 2)
+                                       seq->origin ()->warning ("Chord tremolo must have 2 elements.");
+                               shift -= 1;
+                               r->compress (Moment (Rational (1,list_len)));
+                               }
+                       gh_call3 (func, r->self_scm (), gh_int2scm(shift),gh_int2scm(dots));
 
-               TODO: do dots.
-               */
-                       SCM func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
-                       gh_call2 (func, r->self_scm (), gh_int2scm(-intlog2 ($3)));
                }
-
-               set_music_properties (r, result);
-
                r->set_spot (*$4->origin ());
 
                $$ = r;
@@ -767,12 +847,12 @@ Repeated_music:
 
 Sequential_music:
        SEQUENTIAL '{' Music_list '}'           {
-               $$ = new Sequential_music (SCM_EOL);
+               $$ = MY_MAKE_MUSIC("SequentialMusic");
                $$->set_mus_property ("elements", ly_car ($3));
                $$->set_spot(THIS->here_input());
        }
        | '{' Music_list '}'            {
-               $$ = new Sequential_music (SCM_EOL);
+               $$ = MY_MAKE_MUSIC("SequentialMusic");
                $$->set_mus_property ("elements", ly_car ($2));
                $$->set_spot(THIS->here_input());
        }
@@ -780,121 +860,151 @@ Sequential_music:
 
 Simultaneous_music:
        SIMULTANEOUS '{' Music_list '}'{
-               $$ = new Simultaneous_music (SCM_EOL);
+               $$ = MY_MAKE_MUSIC("SimultaneousMusic");
                $$->set_mus_property ("elements", ly_car ($3));
                $$->set_spot(THIS->here_input());
 
        }
-       | '<' Music_list '>'    {
-               $$ = new Simultaneous_music (SCM_EOL);
+       | simul_open Music_list simul_close     {
+               $$ = MY_MAKE_MUSIC("SimultaneousMusic");
                $$->set_mus_property ("elements", ly_car ($2));
                $$->set_spot(THIS->here_input());
        }
        ;
 
 Simple_music:
-       request_chord           { $$ = $1; }
-       | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
-               SCM pred = $2;
-               if (!gh_symbol_p ($3))
-               {
-                       THIS->parser_error (_ ("Second argument must be a symbol")); 
-               }
-               /*hould check # args */
-               if (!gh_procedure_p (pred))
-               {
-                       THIS->parser_error (_ ("First argument must be a procedure taking 1 argument"));
-               }
-
-               Music *m = new Music (SCM_EOL);
-               m->set_mus_property ("predicate", pred);
-               m->set_mus_property ("grob-property", $3);
-               m->set_mus_property ("grob-value",  $5);
-               m->set_mus_property ("iterator-ctor",
-               Output_property_music_iterator::constructor_cxx_function);
-
-               $$ = m;
+       event_chord             { $$ = $1; }
+       | APPLYOUTPUT embedded_scm {
+               if (!ly_input_procedure_p ($2))
+                       THIS->parser_error (_ ("\\applycontext takes function argument"));
+               $$ = MY_MAKE_MUSIC ("ApplyOutputEvent");
+               $$->set_mus_property ("procedure", $2);
+               $$->set_spot (THIS->here_input());
        }
-       | MUSIC_IDENTIFIER {
-               $$ = unsmob_music ($1)->clone ();
-
+       | APPLYCONTEXT embedded_scm {
+               if (!ly_input_procedure_p ($2))
+                       THIS->parser_error (_ ("\\applycontext takes function argument"));
+               $$ = MY_MAKE_MUSIC ("ApplyContext");
+               $$->set_mus_property ("procedure", $2);
                $$->set_spot (THIS->here_input());
        }
+       | MUSIC_IDENTIFIER {
+               $$ = unsmob_music ($1);
+       }
        | property_def
        | translator_change
        ;
 
 
+grace_head:
+       GRACE  { $$ = scm_makfrom0str ("Grace"); } 
+       | ACCIACCATURA { $$ = scm_makfrom0str ("Acciaccatura"); }
+       | APPOGGIATURA { $$ = scm_makfrom0str ("Appoggiatura"); }
+       ;
+       
+
 Composite_music:
        CONTEXT STRING Music    {
-               Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
+               Music*csm =MY_MAKE_MUSIC("ContextSpeccedMusic");
+
                csm->set_mus_property ("element", $3->self_scm ());
                scm_gc_unprotect_object ($3->self_scm ());
 
-               csm->set_mus_property ("context-type",$2);
-               csm->set_mus_property ("context-id", ly_str02scm (""));
+               csm->set_mus_property ("context-type", scm_string_to_symbol ($2));
+               csm->set_mus_property ("context-id", scm_makfrom0str (""));
 
                $$ = csm;
        }
        | AUTOCHANGE STRING Music       {
-               Music * chm = new Music_wrapper (SCM_EOL);
+       Music*chm = MY_MAKE_MUSIC("AutoChangeMusic");
                chm->set_mus_property ("element", $3->self_scm ());
-               chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_cxx_function);
+               chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_proc);
 
                scm_gc_unprotect_object ($3->self_scm ());
-               chm->set_mus_property ("what", $2); 
+               chm->set_mus_property ("what", scm_string_to_symbol ($2));
 
                $$ = chm;
                chm->set_spot (*$3->origin ());
        }
-       | GRACE Music {
+       | grace_head Music {
 #if 1
        /*
                The other version is for easier debugging  of
                Sequential_music_iterator in combination with grace notes.
        */
 
-               SCM start = THIS->lexer_->lookup_identifier ("startGraceMusic");
-               SCM stop = THIS->lexer_->lookup_identifier ("stopGraceMusic");
+/*
+
+TODO: should distinguish between both grace types in the
+basic music objects too, since the meaning is different.
+
+*/
+
+               String start_str = "start" + ly_scm2string ($1) + "Music"; 
+               String stop_str = "stop" + ly_scm2string ($1) + "Music"; 
+               
+               SCM start = THIS->lexer_->lookup_identifier (start_str);
+               SCM stop = THIS->lexer_->lookup_identifier (stop_str);
+
                Music *startm = unsmob_music (start);
                Music *stopm = unsmob_music (stop);
 
                SCM ms = SCM_EOL;
                if (stopm) {
                        stopm = stopm->clone ();
-                       ms = gh_cons (stopm->self_scm (), ms);
+                       ms = scm_cons (stopm->self_scm (), ms);
                        scm_gc_unprotect_object (stopm->self_scm ());
                }
-               ms = gh_cons ($2->self_scm (), ms);
+               ms = scm_cons ($2->self_scm (), ms);
                scm_gc_unprotect_object ($2->self_scm());
                if (startm) {
                        startm = startm->clone ();
-                       ms = gh_cons (startm->self_scm () , ms);
+                       ms = scm_cons (startm->self_scm () , ms);
                        scm_gc_unprotect_object (startm->self_scm ());
                }
 
-               Music* seq = new Sequential_music (SCM_EOL);
+       
+               Music* seq = MY_MAKE_MUSIC("SequentialMusic");
                seq->set_mus_property ("elements", ms);
 
-               $$ = new Grace_music (SCM_EOL);
+               
+               $$ = MY_MAKE_MUSIC("GraceMusic");
                $$->set_mus_property ("element", seq->self_scm ());
                scm_gc_unprotect_object (seq->self_scm ());
 #else
-               $$ = new Grace_music (SCM_EOL);
+               $$ = MY_MAKE_MUSIC("GraceMusic");
                $$->set_mus_property ("element", $2->self_scm ());
                scm_gc_unprotect_object ($2->self_scm ());
 #endif
        }
        | CONTEXT string '=' string Music {
-               Context_specced_music *csm =  new Context_specced_music (SCM_EOL);
+               Music * csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
+
                csm->set_mus_property ("element", $5->self_scm ());
                scm_gc_unprotect_object ($5->self_scm ());
 
-               csm->set_mus_property ("context-type", $2);
+               csm->set_mus_property ("context-type", scm_string_to_symbol ($2));
                csm->set_mus_property ("context-id", $4);
 
                $$ = csm;
        }
+       | NEWCONTEXT string Music {
+               static int new_context_count;
+
+               Music * csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
+
+               csm->set_mus_property ("element", $3->self_scm ());
+               scm_gc_unprotect_object ($3->self_scm ());
+
+               csm->set_mus_property ("context-type", scm_string_to_symbol ($2));
+
+               char s[1024];
+               snprintf (s, 1024, "uniqueContext%d", new_context_count ++);
+               
+               SCM new_id = scm_makfrom0str (s);
+               csm->set_mus_property ("context-id", new_id);
+               $$ = csm;
+       }
        | TIMES {
                THIS->push_spot ();
        }
@@ -904,9 +1014,9 @@ Composite_music:
        {
                int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
                Music *mp = $4;
-               $$ = new Time_scaled_music (SCM_EOL);
-               $$->set_spot (THIS->pop_spot ());
 
+               $$= MY_MAKE_MUSIC("TimeScaledMusic");
+               $$->set_spot (THIS->pop_spot ());
 
                $$->set_mus_property ("element", mp->self_scm ());
                scm_gc_unprotect_object (mp->self_scm ());
@@ -918,33 +1028,32 @@ Composite_music:
        | Repeated_music                { $$ = $1; }
        | Simultaneous_music            { $$ = $1; }
        | Sequential_music              { $$ = $1; }
-       | TRANSPOSE pitch Music {
-               $$ = new Transposed_music (SCM_EOL);
-               Music *p = $3;
-               Pitch pit = *unsmob_pitch ($2);
-
-               p->transpose (pit);
-               $$->set_mus_property ("element", p->self_scm ());
-               scm_gc_unprotect_object (p->self_scm ());
-       }
-       | TRANSPOSE steno_tonic_pitch Music {
-               $$ = new Transposed_music (SCM_EOL);
-               Music *p = $3;
-               Pitch pit = *unsmob_pitch ($2);
+       | TRANSPOSE pitch_also_in_chords pitch_also_in_chords Music {
+               $$ = MY_MAKE_MUSIC("TransposedMusic");
+               Music *p = $4;
+               Pitch from = *unsmob_pitch ($2);
+               Pitch to = *unsmob_pitch ($3);
 
-               p->transpose (pit);
+               p->transpose (interval (from, to));
                $$->set_mus_property ("element", p->self_scm ());
                scm_gc_unprotect_object (p->self_scm ());
-       
        }
        | APPLY embedded_scm Music  {
-               SCM ret = gh_call1 ($2, $3->self_scm ());
-               Music *m = unsmob_music (ret);
-               if (!m) {
-                       THIS->parser_error ("\\apply must return a Music");
-                       m = new Music (SCM_EOL);
+               if (!ly_input_procedure_p ($2))
+                       {
+                       THIS->parser_error (_ ("\\apply takes function argument"));
+                       $$ = $3;
+                       }
+               else
+                       {
+                       SCM ret = gh_call1 ($2, $3->self_scm ());
+                       Music *m = unsmob_music (ret);
+                       if (!m) {
+                               THIS->parser_error ("\\apply must return a Music");
+                               m = MY_MAKE_MUSIC("Music");
+                               }
+                       $$ = m;
                        }
-               $$ = m;
        }
        | NOTES
                { THIS->lexer_->push_note_state (); }
@@ -956,7 +1065,7 @@ Composite_music:
                { THIS->lexer_->push_figuredbass_state (); }
        Music
                {
-                 Music * chm = new Untransposable_music () ;
+                 Music * chm = MY_MAKE_MUSIC("UntransposableMusic");
                  chm->set_mus_property ("element", $3->self_scm ());
                  $$ = chm;
                  scm_gc_unprotect_object ($3->self_scm());
@@ -967,7 +1076,7 @@ Composite_music:
                { THIS->lexer_->push_chord_state (); }
        Music
                {
-                 Music * chm = new Un_relativable_music ;
+                 Music * chm = MY_MAKE_MUSIC("UnrelativableMusic");
                  chm->set_mus_property ("element", $3->self_scm ());
                  scm_gc_unprotect_object ($3->self_scm());
                  $$ = chm;
@@ -983,26 +1092,32 @@ Composite_music:
        }
        | relative_music        { $$ = $1; }
        | re_rhythmed_music     { $$ = $1; } 
-       | part_combined_music   { $$ = $1; } 
+       | part_combined_music   { $$ = $1; }
+       | TAG embedded_scm Music {
+               tag_music ($3, $2, THIS->here_input ());
+               $$ = $3;
+       }
        ;
 
 relative_music:
        RELATIVE absolute_pitch Music {
                Music * p = $3;
                Pitch pit = *unsmob_pitch ($2);
-               $$ = new Relative_octave_music (SCM_EOL);
+               $$ = MY_MAKE_MUSIC("RelativeOctaveMusic");
 
                $$->set_mus_property ("element", p->self_scm ());
                scm_gc_unprotect_object (p->self_scm ());
 
-               $$->set_mus_property ("last-pitch", p->to_relative_octave (pit).smobbed_copy ());
 
+               Pitch retpitch = p->to_relative_octave (pit);
+               if (lily_1_8_relative)
+                       $$->set_mus_property ("last-pitch", retpitch.smobbed_copy ());
        }
        ;
 
 re_rhythmed_music:
        ADDLYRICS Music Music {
-         Lyric_combine_music * l = new Lyric_combine_music (SCM_EOL);
+       Music*l =MY_MAKE_MUSIC("LyricCombineMusic");
          l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
          scm_gc_unprotect_object ($3->self_scm ());
          scm_gc_unprotect_object ($2->self_scm ());
@@ -1012,9 +1127,8 @@ re_rhythmed_music:
 
 part_combined_music:
        PARTCOMBINE STRING Music Music {
-               Part_combine_music * p = new Part_combine_music (SCM_EOL);
-
-               p->set_mus_property ("what", $2);
+               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 ());
@@ -1026,10 +1140,8 @@ part_combined_music:
 
 translator_change:
        TRANSLATOR STRING '=' STRING  {
-               Music * t = new Music (SCM_EOL);
-               t->set_mus_property ("iterator-ctor",
-                       Change_iterator::constructor_cxx_function);
-               t-> set_mus_property ("change-to-type", $2);
+               Music*t= MY_MAKE_MUSIC("TranslatorChange");
+               t-> set_mus_property ("change-to-type", scm_string_to_symbol ($2));
                t-> set_mus_property ("change-to-id", $4);
 
                $$ = t;
@@ -1038,82 +1150,113 @@ translator_change:
        ;
 
 property_def:
+       simple_property_def
+       | ONCE simple_property_def {
+               $$ = $2;
+               SCM e = $2->get_mus_property ("element");
+               unsmob_music (e)->set_mus_property ("once", SCM_BOOL_T);
+       }
+       ;
+
+simple_property_def:
        PROPERTY STRING '.' STRING '='  scalar {
-               
                Music *t = set_property_music (scm_string_to_symbol ($4), $6);
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+               Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
 
-               csm->set_mus_property ("element", t->self_scm ());
+               csm->set_mus_property ("element", t->self_scm ());
                scm_gc_unprotect_object (t->self_scm ());
 
                $$ = csm;
                $$->set_spot (THIS->here_input ());
 
-               csm-> set_mus_property ("context-type", $2);
+               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
        }
        | PROPERTY STRING '.' STRING UNSET {
-               Music *t = new Music (SCM_EOL);
-
-               t->set_mus_property ("iterator-ctor",
-                       Property_unset_iterator::constructor_cxx_function);
+               
+               Music *t = MY_MAKE_MUSIC("PropertyUnset");
                t->set_mus_property ("symbol", scm_string_to_symbol ($4));
 
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+               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 ());
 
-               csm-> set_mus_property ("context-type", $2);
+               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
        }
        | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
-               Music *t = new Music (SCM_EOL);
-               t->set_mus_property ("iterator-ctor",
-                       Push_property_iterator::constructor_cxx_function);
+               bool autobeam
+                 = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
+               bool itc = internal_type_checking_global_b;
+               Music *t = MY_MAKE_MUSIC("OverrideProperty");
                t->set_mus_property ("symbol", scm_string_to_symbol ($4));
                t->set_mus_property ("pop-first", SCM_BOOL_T);
+               if (autobeam)
+                       internal_type_checking_global_b = false;
                t->set_mus_property ("grob-property", $6);
+               if (autobeam)
+                       internal_type_checking_global_b = itc;
                t->set_mus_property ("grob-value", $8);
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+
+               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 ());
 
-               csm-> set_mus_property ("context-type", $2);
+               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
        }
-       | PROPERTY STRING '.' STRING OVERRIDE embedded_scm '=' embedded_scm {
-               Music *t = new Music (SCM_EOL);
-               t->set_mus_property ("iterator-ctor",
-                       Push_property_iterator::constructor_cxx_function);
+       | PROPERTY STRING '.' STRING OVERRIDE
+               embedded_scm '=' embedded_scm
+       {
+               /*
+                       UGH UGH UGH UGH.
+               */
+               bool autobeam
+                 = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
+               bool itc = internal_type_checking_global_b;
+
+               Music *t = MY_MAKE_MUSIC("OverrideProperty");
                t->set_mus_property ("symbol", scm_string_to_symbol ($4));
+               if (autobeam)
+                       internal_type_checking_global_b = false;
                t->set_mus_property ("grob-property", $6);
                t->set_mus_property ("grob-value", $8);
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+               if (autobeam)
+                       internal_type_checking_global_b = itc;
+
+               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 ());
 
-               csm-> set_mus_property ("context-type", $2);
+               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
+
        }
        | PROPERTY STRING '.' STRING REVERT embedded_scm {
-               Music *t = new Music (SCM_EOL);
-               t->set_mus_property ("iterator-ctor",
-                       Pop_property_iterator::constructor_cxx_function);
+               Music *t = MY_MAKE_MUSIC("RevertProperty");
+               bool autobeam
+                 = gh_equal_p ($4, scm_makfrom0str ("autoBeamSettings"));
+               bool itc = internal_type_checking_global_b;
+
                t->set_mus_property ("symbol", scm_string_to_symbol ($4));
+               if (autobeam)
+                       internal_type_checking_global_b = false;
                t->set_mus_property ("grob-property", $6);
-
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+               if (autobeam)
+                       internal_type_checking_global_b = itc;
+       
+               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 ());
 
-               csm-> set_mus_property ("context-type", $2);
+               csm-> set_mus_property ("context-type", scm_string_to_symbol ($2));
        }
        ;
 
@@ -1122,149 +1265,196 @@ scalar:
         string          { $$ = $1; }
         | bare_int      { $$ = gh_int2scm ($1); }
         | embedded_scm  { $$ = $1; }
+       | full_markup {  $$ = $1; }
+       | DIGIT { $$ = gh_int2scm ($1); }
         ;
 
 
-request_chord:
-       pre_requests {
+
+/*
+This is a trick:
+
+Adding pre_events to the simple_element
+makes the choice between
+
+  string:  STRING
+
+and
+
+  simple_element: STRING
+
+a single shift/reduction conflict.
+
+nevertheless, this is not very clean, and we should find a different
+solution.  
+
+*/
+pre_events: {
                THIS->push_spot ();
-       } /*cont */ simple_element post_requests        {
-               Music_sequence *l = dynamic_cast<Music_sequence*> ($3);
-               
-               $1->concat (*$4);
-               for (int i=0; i < $1->size (); i++) {
-                 Music * m = $1->elem (i);
-                 l->append_music (m);
-               }
-               $$ = $3;
+       }
+       ;
 
-               delete $1;
-               delete $4;
+event_chord:
+       pre_events simple_element post_events   {
+               SCM elts = $2-> get_mus_property ("elements");
+
+               elts = gh_append2 (elts, scm_reverse_x ($3, SCM_EOL));
+
+               $2->set_mus_property ("elements", elts);
+               $$ = $2;
        }
        | command_element
+       | note_chord_element
        ;
 
-command_element:
-       command_req {
-               $$ = new Request_chord (SCM_EOL);
-               $$->set_mus_property ("elements", gh_cons ($1->self_scm (), SCM_EOL));
-         scm_gc_unprotect_object ($1->self_scm());
 
-               $$-> set_spot (THIS->here_input ());
-               $1-> set_spot (THIS->here_input ());
-       }
-       | E_LEFTSQUARE {
-               Span_req *l = new Span_req;
-               l->set_span_dir (START);
-               l->set_mus_property ("span-type", ly_str02scm ("ligature"));
-               l->set_spot (THIS->here_input ());
+note_chord_element:
+       chord_body optional_notemode_duration post_events
+       {
+               SCM dur = unsmob_duration ($2)->smobbed_copy();
+               SCM es = $1->get_mus_property ("elements");
+               SCM postevs = scm_reverse_x ($3, SCM_EOL);
 
-               $$ = new Request_chord (SCM_EOL);
-               $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
-         scm_gc_unprotect_object (l->self_scm());
-               $$->set_spot (THIS->here_input ());
+               for (SCM s = es; gh_pair_p (s); s = gh_cdr (s))
+                 unsmob_music (gh_car(s))->set_mus_property ("duration", dur);
+               es = gh_append2 (es, postevs);
+
+               $1-> set_mus_property ("elements", es);
+               $$ = $1;
        }
-       | E_RIGHTSQUARE {
-               Span_req *l = new Span_req;
-               l->set_span_dir (STOP);
-               l->set_mus_property ("span-type", ly_str02scm ("ligature"));
+       ;
+
+chord_open: '<'
+       ;
+
+chord_close: '>'
+       ;
+
+simul_open: LESSLESS
+       ;
+
+simul_close: MOREMORE
+       ;
+
+chord_body:
+       chord_open chord_body_elements chord_close
+       {
+               $$ = MY_MAKE_MUSIC("EventChord");
+               $$->set_mus_property ("elements",
+                       scm_reverse_x ($2, SCM_EOL));
+       }
+       ;
+
+chord_body_elements:
+       /* empty */             { $$ = SCM_EOL; }
+       | chord_body_elements chord_body_element {
+               $$ = gh_cons ($2->self_scm(), $1);
+               scm_gc_unprotect_object ($2->self_scm());
+       }
+       ;
+
+chord_body_element:
+       pitch exclamations questions post_events
+       {
+               Music * n = MY_MAKE_MUSIC("NoteEvent");
+               n->set_mus_property ("pitch", $1);
+               if ($3 % 2)
+                       n->set_mus_property ("cautionary", SCM_BOOL_T);
+               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);
+
+               $$ = n;
+       }
+       ;
+
+command_element:
+       command_req {
+               $$ = MY_MAKE_MUSIC("EventChord");
+               $$->set_mus_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
+               scm_gc_unprotect_object ($1->self_scm());
+
+               $$-> set_spot (THIS->here_input ());
+               $1-> set_spot (THIS->here_input ());
+       }
+       | OCTAVE { THIS->push_spot (); }
+         pitch {
+               Music *l = MY_MAKE_MUSIC("RelativeOctaveCheck");
+               $$ = l;
+               $$->set_spot (THIS->pop_spot ());
+               $$->set_mus_property ("pitch", $3);
+       }
+       | E_LEFTSQUARE {
+               Music *l = MY_MAKE_MUSIC("LigatureEvent");
+               l->set_mus_property ("span-direction", gh_int2scm (START));
                l->set_spot (THIS->here_input ());
 
-               $$ = new Request_chord (SCM_EOL);
-               $$->set_mus_property ("elements", gh_cons (l->self_scm (), SCM_EOL));
+               $$ = MY_MAKE_MUSIC("EventChord");
+               $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
+               scm_gc_unprotect_object (l->self_scm());
                $$->set_spot (THIS->here_input ());
-         scm_gc_unprotect_object (l->self_scm());
+       }
+       | E_RIGHTSQUARE {
+               Music *l = MY_MAKE_MUSIC("LigatureEvent");
+               l->set_mus_property ("span-direction", gh_int2scm (STOP));
+               l->set_spot (THIS->here_input ());
 
+               $$ = MY_MAKE_MUSIC("EventChord");
+               $$->set_mus_property ("elements", scm_cons (l->self_scm (), SCM_EOL));
+               $$->set_spot (THIS->here_input ());
+               scm_gc_unprotect_object (l->self_scm());
        }
        | E_BACKSLASH {
-               $$ = new Music (gh_list (gh_cons (ly_symbol2scm ("name"), ly_symbol2scm ("separator")), SCM_UNDEFINED));
+               $$ = MY_MAKE_MUSIC("VoiceSeparator");
                $$->set_spot (THIS->here_input ());
        }
        | '|'      {
 
-               extern Music * get_barcheck();
-               $$ = get_barcheck ();
+               $$ = MY_MAKE_MUSIC("BarCheck");
                $$->set_spot (THIS->here_input ());
        }
        | BAR STRING                    {
                Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
 
-               Context_specced_music *csm = new Context_specced_music (SCM_EOL);
+               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 ());
 
-               csm->set_mus_property ("context-type", ly_str02scm ("Score"));
+               csm->set_mus_property ("context-type", ly_symbol2scm ("Timing"));
        }
        | PARTIAL duration_length       {
-               Moment m = - unsmob_duration ($2)->length_mom ();
+               Moment m = - unsmob_duration ($2)->get_length ();
                Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
 
-               Context_specced_music * sp = new Context_specced_music (SCM_EOL);
+               Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
                sp->set_mus_property ("element", p->self_scm ());
                scm_gc_unprotect_object (p->self_scm ());
 
                $$ =sp ;
-               sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
+               sp-> set_mus_property ("context-type", ly_symbol2scm ("Timing"));
        }
        | CLEF STRING  {
-               SCM func = scm_primitive_eval (ly_symbol2scm ("clef-name-to-properties"));
-               SCM result = gh_call1 (func, $2);
-
-               SCM l = SCM_EOL;
-               for (SCM s = result ; gh_pair_p (s); s = ly_cdr (s)) {
-                       Music * p = new Music (SCM_EOL);
-                       set_music_properties (p, ly_car (s));
-                       l = gh_cons (p->self_scm (), l);
-                       scm_gc_unprotect_object (p->self_scm ());
-               }
-               Sequential_music * seq = new Sequential_music (SCM_EOL);
-               seq->set_mus_property ("elements", l);
+               static SCM proc ;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-clef-set");
 
-               Context_specced_music * sp = new Context_specced_music (SCM_EOL);
-               sp->set_mus_property ("element", seq->self_scm ());
-               scm_gc_unprotect_object (seq->self_scm ());
-
-               $$ =sp ;
-               sp-> set_mus_property ("context-type", ly_str02scm ("Staff"));
+               SCM result = scm_call_1 (proc, $2);
+               scm_gc_protect_object (result);
+               $$ = unsmob_music (result);
        }
        | TIME_T fraction  {
-               Music * p1 = set_property_music (ly_symbol2scm ( "timeSignatureFraction"), $2);
-
-               int l = gh_scm2int (ly_car ($2));
-               int o = gh_scm2int (ly_cdr ($2));
-
-               Moment one_beat = Moment (1)/Moment (o);
-               Moment len = Moment (l) * one_beat;
-
-
-               Music *p2 = set_property_music (ly_symbol2scm ("measureLength"), len.smobbed_copy ());
-               Music *p3 = set_property_music (ly_symbol2scm ("beatLength"), one_beat.smobbed_copy ());
+               static SCM proc;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-time-signature-set");
 
-               SCM list = scm_list_n (p1->self_scm (), p2->self_scm (), p3->self_scm(), SCM_UNDEFINED);
-               Sequential_music *seq = new Sequential_music (SCM_EOL);
-               seq->set_mus_property ("elements", list);
-               
-
-               Context_specced_music * sp = new Context_specced_music (SCM_EOL);
-               sp->set_mus_property ("element", seq->self_scm ());
-
-               
-
-               scm_gc_unprotect_object (p3->self_scm ());
-               scm_gc_unprotect_object (p2->self_scm ());
-               scm_gc_unprotect_object (p1->self_scm ());
-               scm_gc_unprotect_object (seq->self_scm ());
-
-               $$ = sp;
-
-/*
- TODO: should make alias TimingContext for Score
-*/
-
-               sp-> set_mus_property ("context-type", ly_str02scm ( "Score"));
+               SCM result = scm_apply_2   (proc, gh_car ($2), gh_cdr ($2), SCM_EOL);
+               scm_gc_protect_object (result);
+               $$ = unsmob_music (result);
        }
        ;
 
@@ -1280,171 +1470,166 @@ shorthand_command_req:
        | hyphen_req {
                $$ = $1;
        }
-       | '~'   {
-               $$ = new Tie_req;
-       }
-       | '['           {
-               Span_req*b= new Span_req;
-               b->set_span_dir (START);
-               b->set_mus_property ("span-type", ly_str02scm ("beam"));
-               $$ =b;
-
-
-               THIS->last_beam_start_ = b->self_scm ();
-       }
-       | ']'           {
-               Span_req*b= new Span_req;
-               b->set_span_dir ( STOP);
-               b->set_mus_property ("span-type", ly_str02scm ("beam"));
-               $$ = b;
-       }
        | BREATHE {
-               $$ = new Breathing_sign_req;
+               $$ = MY_MAKE_MUSIC("BreathingSignEvent");
        }
        | E_TILDE {
-               $$ = new Porrectus_req;
+               $$ = MY_MAKE_MUSIC("PesOrFlexaEvent");
        }
        ;
 
 verbose_command_req:
-       COMMANDSPANREQUEST bare_int STRING { /*TODO: junkme */
-               Span_req * sp = new Span_req;
-               sp-> set_span_dir ( Direction ($2));
-               sp->set_mus_property ("span-type",$3);
-               sp->set_spot (THIS->here_input ());
-               $$ = sp;
-       }
-       | MARK DEFAULT  {
-               Mark_req * m = new Mark_req;
+       MARK DEFAULT  {
+               Music * m = MY_MAKE_MUSIC("MarkEvent");
                $$ = m;
        }
        | MARK scalar {
-               Mark_req *m = new Mark_req;
+               Music *m = MY_MAKE_MUSIC("MarkEvent");
                m->set_mus_property ("label", $2);
                $$ = m;
        }
-       | PENALTY SCM_T         {
-               Break_req * b = new Break_req;
-               SCM s = $2;
-               if (!gh_number_p (s))
-                       s  =gh_int2scm (0);
-
-               b->set_mus_property ("penalty", s);
-               b->set_spot (THIS->here_input ());
-               $$ = b;
-       }
        | SKIP duration_length {
-               Skip_req * skip = new Skip_req;
+               Music * skip = MY_MAKE_MUSIC("SkipEvent");
                skip->set_mus_property ("duration", $2);
 
                $$ = skip;
        }
-       | tempo_request {
+       | tempo_event {
                $$ = $1;
        }
        | KEY DEFAULT {
-               Key_change_req *key= new Key_change_req;
+               Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
                $$ = key;
        }
        | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
-               Key_change_req *key= new Key_change_req;
-               
-               key->set_mus_property ("pitch-alist", $3);
-               ((Music*)key)->transpose (* unsmob_pitch ($2));
-               $$ = key; 
+
+               Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
+               if (scm_ilength ($3) > 0)
+               {               
+                       key->set_mus_property ("pitch-alist", $3);
+                       key->set_mus_property ("tonic", Pitch (0,0,0).smobbed_copy());
+                       ((Music*)key)->transpose (* unsmob_pitch ($2));
+               } else {
+                       THIS->parser_error (_("Second argument must be pitch list."));
+               }
+
+               $$ = key;
        }
        ;
 
-post_requests:
-       {
-               $$ = new Link_array<Request>;
+post_events:
+       /* empty */ {
+               $$ = SCM_EOL;
        }
-       | post_requests post_request {
+       | post_events post_event {
                $2->set_spot (THIS->here_input ());
-               $$->push ($2);
+               $$ = gh_cons ($2->self_scm(), $$);
+               scm_gc_unprotect_object ($2->self_scm());
+       }
+       | post_events tagged_post_event {
+               $2 -> set_spot (THIS->here_input ());
+               $$ = scm_cons ($2->self_scm(), $$);
+               scm_gc_unprotect_object ($2->self_scm());
        }
-       ;
-
-post_request:
-       verbose_request
-       | request_with_dir
-       | close_request
        ;
 
 
-request_that_take_dir:
-       gen_text_def
-       | verbose_request
-       | script_abbreviation {
-               SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
-               Articulation_req *a = new Articulation_req;
-               if (gh_string_p (s))
-                       a->set_mus_property ("articulation-type", s);
-               else THIS->parser_error (_ ("Expecting string as script definition"));
-               $$ = a;
+tagged_post_event:
+       '-' TAG embedded_scm post_event {
+               tag_music ($4, $3, THIS->here_input ());
+               $$ = $4;
        }
        ;
 
-request_with_dir:
-       script_dir request_that_take_dir        {
-               if (Script_req * gs = dynamic_cast<Script_req*> ($2))
-                       gs->set_direction (Direction ($1));
-               else if ($1)
-                       $2->origin ()->warning (_ ("Can't specify direction for this request"));
+post_event:
+       direction_less_event {
+               $$ = $1;
+       }
+       | script_dir direction_reqd_event {
+               if ($1)
+                       $2->set_mus_property ("direction", gh_int2scm ($1));
+               $$ = $2;
+       }
+       | script_dir direction_less_event {
+               if ($1)
+                       $2->set_mus_property ("direction", gh_int2scm ($1));
                $$ = $2;
        }
+       | string_number_event
        ;
-       
-verbose_request:
-       REQUEST_IDENTIFIER      {
-               $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
-               $$->set_spot (THIS->here_input ());
+
+string_number_event:
+       E_UNSIGNED {
+               Music * s = MY_MAKE_MUSIC("StringNumberEvent");
+               s->set_mus_property ("string-number",  gh_int2scm($1));
+               s->set_spot (THIS->here_input ());
+               $$ = s;
        }
-       | DYNAMICSCRIPT embedded_scm {
-               /*
-                       TODO: junkme, use text-type == dynamic
-               */
-               Text_script_req *d = new Text_script_req;
-               SCM dyn = ly_symbol2scm ("dynamic");
-               d->set_mus_property ("text-type" , dyn);
-               d->set_mus_property ("text", $2);
-               d->set_spot (THIS->here_input ());
-               $$ = d;
-       }
-       | SPANREQUEST bare_int STRING {
-               Span_req * sp = new Span_req;
-               sp->set_span_dir ( Direction ($2));
-               sp->set_mus_property ("span-type", $3);
-               sp->set_spot (THIS->here_input ());
-               $$ = sp;
+       ;
+
+
+direction_less_event:
+       '['  {
+
+
+/*
+
+TODO: should take all these defs out of the parser, adn make use
+configurable, i.e.
+
+
+(set-articulation '~ "trill")
+
+*/
+               Music * m = MY_MAKE_MUSIC ("BeamEvent");
+               m->set_spot (THIS->here_input());
+               m->set_mus_property ("span-direction" , gh_int2scm (START));
+               $$ = m;
+       }
+       | ']'  {
+               Music * m = MY_MAKE_MUSIC ("BeamEvent");
+               m->set_spot (THIS->here_input());
+               m->set_mus_property ("span-direction" , gh_int2scm (STOP));
+               $$ = m;
+       }
+       | '~' {
+               Music * m = MY_MAKE_MUSIC ("TieEvent");
+               m->set_spot (THIS->here_input());
+               $$ = m;
+       }
+       | close_event {
+               $$ = $1;
+               dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (START));
+       }
+       | open_event {
+               $$ = $1;
+               dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (STOP));
+       }
+       | EVENT_IDENTIFIER      {
+               $$ = unsmob_music ($1);
        }
        | tremolo_type  {
-               Tremolo_req* a = new Tremolo_req;
+               Music * a = MY_MAKE_MUSIC("TremoloEvent");
                a->set_spot (THIS->here_input ());
                a->set_mus_property ("tremolo-type", gh_int2scm ($1));
                $$ = a;
         }
-       | SCRIPT STRING         { 
-               Articulation_req * a = new Articulation_req;
-               a->set_mus_property ("articulation-type", $2);
-               a->set_spot (THIS->here_input ());
-               $$ = a;
+       ;       
+       
+direction_reqd_event:
+       gen_text_def {
+               $$ = $1; 
        }
-       /*
-duh, junk this syntax from the parser, if possible. 
-       */
-       | ARPEGGIO {
-               Arpeggio_req *a = new Arpeggio_req;
-               a->set_spot (THIS->here_input ());
+       | script_abbreviation {
+               SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
+               Music *a = MY_MAKE_MUSIC("ArticulationEvent");
+               if (gh_string_p (s))
+                       a->set_mus_property ("articulation-type", s);
+               else THIS->parser_error (_ ("Expecting string as script definition"));
                $$ = a;
        }
-       | GLISSANDO {
-               Glissando_req *g = new Glissando_req;
-               g->set_spot /* No pun intended */ (THIS->here_input ());
-               $$ = g;
-       }       
        ;
-
+       
 sup_quotes:
        '\'' {
                $$ = 1;
@@ -1469,15 +1654,13 @@ steno_pitch:
        }
        | NOTENAME_PITCH sup_quotes     {
                Pitch p = *unsmob_pitch ($1);
-               p.octave_ +=  $2;
+               p = p.transposed (Pitch ($2,0,0));
                $$ = p.smobbed_copy ();
        }
        | NOTENAME_PITCH sub_quotes      {
                Pitch p =* unsmob_pitch ($1);
-
-               p.octave_ +=  -$2;
+               p = p.transposed (Pitch (-$2,0,0));
                $$ = p.smobbed_copy ();
-
        }
        ;
 
@@ -1491,15 +1674,14 @@ steno_tonic_pitch:
        }
        | TONICNAME_PITCH sup_quotes    {
                Pitch p = *unsmob_pitch ($1);
-               p.octave_ +=  $2;
+               p = p.transposed (Pitch ($2,0,0));
                $$ = p.smobbed_copy ();
        }
        | TONICNAME_PITCH sub_quotes     {
                Pitch p =* unsmob_pitch ($1);
 
-               p.octave_ +=  -$2;
+               p = p.transposed (Pitch (-$2,0,0));
                $$ = p.smobbed_copy ();
-
        }
        ;
 
@@ -1507,37 +1689,22 @@ pitch:
        steno_pitch {
                $$ = $1;
        }
-       | explicit_pitch {
-               $$ = $1;
-       }
        ;
 
-explicit_pitch:
-       PITCH embedded_scm {
-               $$ = $2;
-               if (!unsmob_pitch ($2)) {
-                       THIS->parser_error (_f ("Expecting musical-pitch value", 3));
-                        $$ = Pitch ().smobbed_copy ();
-               }
-       }
+pitch_also_in_chords:
+       pitch
+       | steno_tonic_pitch
        ;
 
-verbose_duration:
-       DURATION embedded_scm   {
-               $$ = $2;
-               if (!unsmob_duration ($2))
-               {
-                       THIS->parser_error (_ ("Must have duration object"));
-                       $$ = Duration ().smobbed_copy ();
-               }
-       }
-       ;
+
+
+
 
 extender_req:
        EXTENDER {
                if (!THIS->lexer_->lyric_state_b ())
                        THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
-               $$ = new Extender_req;
+               $$ = MY_MAKE_MUSIC("ExtenderEvent");
        }
        ;
 
@@ -1545,94 +1712,72 @@ hyphen_req:
        HYPHEN {
                if (!THIS->lexer_->lyric_state_b ())
                        THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
-               $$ = new Hyphen_req;
+               $$ = MY_MAKE_MUSIC("HyphenEvent");
        }
        ;
 
-close_request:
-       close_request_parens {
-               $$ = $1;
-               dynamic_cast<Span_req*> ($$)->set_span_dir ( START);
-       }
-       ;
-close_request_parens:
+close_event:
        '('     {
-               Span_req* s= new Span_req;
+               Music * s= MY_MAKE_MUSIC("SlurEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ( "slur"));
                s->set_spot (THIS->here_input());
        }
        | E_OPEN        {
-               Span_req* s= new Span_req;
+               Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
                s->set_spot (THIS->here_input());
        }
        | E_SMALLER {
-               Span_req*s =new Span_req;
+               Music *s =MY_MAKE_MUSIC("CrescendoEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
                s->set_spot (THIS->here_input());
        }
        | E_BIGGER {
-               Span_req*s =new Span_req;
+               Music *s =MY_MAKE_MUSIC("DecrescendoEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ("decrescendo"));
                s->set_spot (THIS->here_input());
        }
        ;
 
 
-open_request:
-       open_request_parens {
-               $$ = $1;
-               dynamic_cast<Span_req*> ($$)->set_span_dir (STOP);
-       }
-       ;
-
-open_request_parens:
+open_event:
        E_EXCLAMATION   {
-               Span_req *s =  new Span_req;
-               s->set_mus_property ("span-type", ly_str02scm ( "crescendo"));
+               Music *s =  MY_MAKE_MUSIC("CrescendoEvent");
                s->set_spot (THIS->here_input());
 
                $$ = s;
        }
        | ')'   {
-               Span_req* s= new Span_req;
+               Music * s= MY_MAKE_MUSIC("SlurEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ( "slur"));
                s->set_spot (THIS->here_input());
 
        }
        | E_CLOSE       {
-               Span_req* s= new Span_req;
+               Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
                $$ = s;
-               s->set_mus_property ("span-type", ly_str02scm ( "phrasing-slur"));
+               s->set_mus_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
                s->set_spot (THIS->here_input());
        }
        ;
 
 gen_text_def:
-       embedded_scm {
-               Text_script_req *t = new Text_script_req;
+       full_markup {
+               Music *t = MY_MAKE_MUSIC("TextScriptEvent");
                t->set_mus_property ("text", $1);
                t->set_spot (THIS->here_input ());
-               $$ = t;
+               $$ = t; 
        }
        | string {
-               Text_script_req *t = new Text_script_req;
-               t->set_mus_property ("text", $1);
+               Music *t = MY_MAKE_MUSIC("TextScriptEvent");
+               t->set_mus_property ("text", make_simple_markup ($1));
                t->set_spot (THIS->here_input ());
                $$ = t;
+       
        }
        | DIGIT {
-               String ds = to_string ($1);
-               Text_script_req* t = new Text_script_req;
-               SCM finger = ly_symbol2scm ("finger");
-               t->set_mus_property ("text",  ly_str02scm (ds.to_str0 ()));
-               t->set_mus_property ("text-type" , finger);
+               Music * t = MY_MAKE_MUSIC("FingerEvent");
+               t->set_mus_property ("digit",  gh_int2scm ($1));
                t->set_spot (THIS->here_input ());
                $$ = t;
        }
@@ -1640,22 +1785,25 @@ gen_text_def:
 
 script_abbreviation:
        '^'             {
-               $$ = gh_str02scm ("Hat");
+               $$ = scm_makfrom0str ("Hat");
        }
        | '+'           {
-               $$ = gh_str02scm ("Plus");
+               $$ = scm_makfrom0str ("Plus");
        }
        | '-'           {
-               $$ = gh_str02scm ("Dash");
+               $$ = scm_makfrom0str ("Dash");
        }
        | '|'           {
-               $$ = gh_str02scm ("Bar");
+               $$ = scm_makfrom0str ("Bar");
        }
        | '>'           {
-               $$ = gh_str02scm ("Larger");
+               $$ = scm_makfrom0str ("Larger");
        }
        | '.'           {
-               $$ = gh_str02scm ("Dot");
+               $$ = scm_makfrom0str ("Dot");
+       }
+       | '_' {
+               $$ = scm_makfrom0str ("Underscore");
        }
        ;
 
@@ -1665,14 +1813,6 @@ script_dir:
        | '-'   { $$ = CENTER; }
        ;
 
-pre_requests:
-       {
-               $$ = new Link_array<Request>;
-       }
-       | pre_requests open_request {
-               $$->push ($2);
-       }
-       ;
 
 absolute_pitch:
        steno_pitch     {
@@ -1684,9 +1824,6 @@ duration_length:
        multiplied_duration {
                $$ = $1;
        }
-       | verbose_duration {
-               $$ = $1;
-       }       
        ;
 
 optional_notemode_duration:
@@ -1702,10 +1839,6 @@ optional_notemode_duration:
 
                THIS->beam_check ($$);
        }
-       | verbose_duration {
-               $$ = $1;
-               THIS->default_duration_ = *unsmob_duration ($$);
-       }       
        ;
 
 steno_duration:
@@ -1721,7 +1854,9 @@ steno_duration:
        | DURATION_IDENTIFIER dots      {
                Duration *d =unsmob_duration ($1);
                Duration k (d->duration_log (),d->dot_count () + $2);
-               $$ = k.smobbed_copy ();
+
+               *d = k;
+               $$ = $1;
        }
        ;
 
@@ -1745,7 +1880,7 @@ multiplied_duration:
 fraction:
        FRACTION { $$ = $1; }
        | UNSIGNED '/' UNSIGNED {
-               $$ = gh_cons (gh_int2scm ($1), gh_int2scm ($3));
+               $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
        }
        ;
 
@@ -1771,9 +1906,18 @@ tremolo_type:
        ;
 
 
+
+/*****************************************************************
+               BASS FIGURES
+*****************************************************************/
 bass_number:
-       DIGIT
-       | UNSIGNED 
+       DIGIT   {
+               $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
+       }
+       | UNSIGNED {
+               $$ = scm_number_to_string (gh_int2scm ($1), gh_int2scm (10));
+       }
+       | STRING { $$ =  $1; }
        ;
 
 bass_mod:
@@ -1784,15 +1928,15 @@ bass_mod:
 
 bass_figure:
        FIGURE_SPACE {
-               Bass_figure_req *bfr = new Bass_figure_req;
+               Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
                $$ = bfr->self_scm();
                scm_gc_unprotect_object ($$);
        }
        | bass_number  {
-               Bass_figure_req *bfr = new Bass_figure_req;
+               Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
                $$ = bfr->self_scm();
 
-               bfr->set_mus_property ("figure", gh_int2scm ($1));
+               bfr->set_mus_property ("figure", $1);
 
                scm_gc_unprotect_object ($$);
        }
@@ -1828,13 +1972,13 @@ figure_list:
                $$ = SCM_EOL;
        }
        | figure_list br_bass_figure {
-               $$ = gh_cons ($2, $1); 
+               $$ = scm_cons ($2, $1); 
        }
        ;
 
 figure_spec:
        FIGURE_OPEN figure_list FIGURE_CLOSE {
-               Music * m = new Request_chord (SCM_EOL);
+               Music * m = MY_MAKE_MUSIC("EventChord");
                $2 = scm_reverse_x ($2, SCM_EOL);
                m->set_mus_property ("elements",  $2);
                $$ = m->self_scm ();
@@ -1856,9 +2000,9 @@ simple_element:
 
                Music *n = 0;
                if ($5)
-                       n =  new Rest_req ;
+                       n =  MY_MAKE_MUSIC("RestEvent");
                else
-                       n =  new Note_req;
+                       n =  MY_MAKE_MUSIC("NoteEvent");
                
                n->set_mus_property ("pitch", $1);
                n->set_mus_property ("duration", $4);
@@ -1869,7 +2013,7 @@ simple_element:
                if ($2 % 2 || $3 % 2)
                        n->set_mus_property ("force-accidental", SCM_BOOL_T);
 
-               Simultaneous_music*v = new Request_chord (SCM_EOL);
+               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());
 
@@ -1882,176 +2026,142 @@ simple_element:
                Input i = THIS->pop_spot (); 
                m->set_spot (i);
                for (SCM s = m->get_mus_property ("elements"); gh_pair_p (s); s = ly_cdr (s))
-                       {
-                               unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
-                       }
+               {
+                       unsmob_music (ly_car (s))->set_mus_property ("duration", $2);
+               }
                $$ = m;
        }       
        | RESTNAME optional_notemode_duration           {
 
                Input i = THIS->pop_spot ();
-               SCM e = SCM_UNDEFINED;
+               Music * ev = 0;
                if (ly_scm2string ($1) =="s") {
                        /* Space */
-                       Skip_req * skip = new Skip_req;
-                       skip->set_mus_property ("duration" ,$2);
-                       skip->set_spot (i);
-                       e = skip->self_scm ();
+                       ev = MY_MAKE_MUSIC("SkipEvent");
                  }
-                 else {
-                       Rest_req * rest_req = new Rest_req;
-                       rest_req->set_mus_property ("duration", $2);
-                       rest_req->set_spot (i);
-                       e = rest_req->self_scm ();
+               else {
+                       ev = MY_MAKE_MUSIC("RestEvent");
+               
                    }
-               Simultaneous_music* velt = new Request_chord (SCM_EOL);
-               velt-> set_mus_property ("elements", scm_list_n (e,SCM_UNDEFINED));
+               ev->set_mus_property ("duration" ,$2);
+               ev->set_spot (i);
+               Music * velt = MY_MAKE_MUSIC("EventChord");
+               velt->set_mus_property ("elements", scm_list_n (ev->self_scm (),SCM_UNDEFINED));
                velt->set_spot (i);
 
                $$ = velt;
        }
        | MULTI_MEASURE_REST optional_notemode_duration         {
-               Input i = THIS->pop_spot ();
+               THIS->pop_spot ();
+
+               static SCM proc ;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-multi-measure-rest");
 
-               Skip_req * sk = new Skip_req;
-               sk->set_mus_property ("duration", $2);
-               Span_req *sp1 = new Span_req;
-               Span_req *sp2 = new Span_req;
-               sp1-> set_span_dir ( START);
-               sp2-> set_span_dir ( STOP);
-               SCM r = ly_str02scm ("rest");
-               sp1->set_mus_property ("span-type", r);
-               sp2->set_mus_property ("span-type", r);
-
-               Request_chord * rqc1 = new Request_chord (SCM_EOL);
-               rqc1->set_mus_property ("elements", scm_list_n (sp1->self_scm (), SCM_UNDEFINED));
-               Request_chord * rqc2 = new Request_chord (SCM_EOL);
-               rqc2->set_mus_property ("elements", scm_list_n (sk->self_scm (), SCM_UNDEFINED));;
-               Request_chord * rqc3 = new Request_chord (SCM_EOL);
-               rqc3->set_mus_property ("elements", scm_list_n (sp2->self_scm (), SCM_UNDEFINED));;
-
-               SCM ms = scm_list_n (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
-
-               $$ = new Sequential_music (SCM_EOL);
-               $$->set_mus_property ("elements", ms);
-       }
-       | STRING optional_notemode_duration     {
+               SCM mus = scm_call_2 (proc, $2,
+                       make_input (THIS->here_input()));       
+               scm_gc_protect_object (mus);
+               $$ = unsmob_music (mus);
+       }
+       
+       | lyric_element optional_notemode_duration      {
                Input i = THIS->pop_spot ();
+               if (!THIS->lexer_->lyric_state_b ())
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
 
-               Lyric_req* lreq = new Lyric_req;
+               Music * lreq = MY_MAKE_MUSIC("LyricEvent");
                 lreq->set_mus_property ("text", $1);
                lreq->set_mus_property ("duration",$2);
                lreq->set_spot (i);
-               Simultaneous_music* velt = new Request_chord (SCM_EOL);
+               Music * velt = MY_MAKE_MUSIC("EventChord");
                velt->set_mus_property ("elements", scm_list_n (lreq->self_scm (), SCM_UNDEFINED));
 
                $$= velt;
        }
-       | chord {
-               Input i = THIS->pop_spot ();
+       | new_chord {
+               THIS->pop_spot ();
 
-               if (!THIS->lexer_->chord_state_b ())
-                       THIS->parser_error (_ ("Have to be in Chord mode for chords"));
-               $$ = $1;
+                if (!THIS->lexer_->chord_state_b ())
+                        THIS->parser_error (_ ("Have to be in Chord mode for chords"));
+                $$ = unsmob_music ($1);
        }
        ;
 
-
-chord:
-       steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
-                $$ = Chord::get_chord ($1, $3, $4, $5, $6, $2);
-               $$->set_spot (THIS->here_input ());
-        };
-
-chord_additions: 
-       {
-               $$ = SCM_EOL;
-       } 
-       | CHORD_COLON chord_notes {
-               $$ = $2;
-       }
+lyric_element:
+       full_markup { $$ = $1; }
+       | STRING {  $$ = $1 ; }
        ;
 
-chord_notes:
-       chord_step {
-               $$ = $1
+new_chord:
+       steno_tonic_pitch optional_notemode_duration   {
+               $$ = make_chord ($1, $2, SCM_EOL);
        }
-       | chord_notes '.' chord_step {
-               $$ = gh_append2 ($$, $3);
+       | steno_tonic_pitch optional_notemode_duration chord_separator chord_items {
+               SCM its = scm_reverse_x ($4, SCM_EOL);
+               $$ = make_chord ($1, $2, gh_cons ($3, its));
        }
        ;
 
-chord_subtractions: 
-       {
-               $$ = SCM_EOL;
-       } 
-       | CHORD_CARET chord_notes {
-               $$ = $2;
+chord_items:
+       /**/ {
+               $$ = SCM_EOL;           
+       }
+       | chord_items chord_item {
+               $$ = gh_cons ($2, $$);
        }
        ;
 
-
-chord_inversion:
-       {
-               $$ = SCM_EOL;
+chord_separator:
+       CHORD_COLON {
+               $$ = ly_symbol2scm ("chord-colon");
        }
-       | '/' steno_tonic_pitch {
-               $$ = $2;
+       | CHORD_CARET {
+               $$ = ly_symbol2scm ("chord-caret"); 
        }
-       ;
-
-chord_bass:
-       {
-               $$ = SCM_EOL;
+       | CHORD_SLASH steno_tonic_pitch {
+               $$ = scm_list_n (ly_symbol2scm ("chord-slash"), $2, SCM_UNDEFINED); 
        }
        | CHORD_BASS steno_tonic_pitch {
-               $$ = $2;
+               $$ = scm_list_n (ly_symbol2scm ("chord-bass"), $2, SCM_UNDEFINED); 
        }
        ;
 
-chord_step:
-       chord_note {
-               $$ = gh_cons ($1, SCM_EOL);
+chord_item:
+       chord_separator {
+               $$ = $1;
        }
-       | CHORDMODIFIER_PITCH {
-               $$ = gh_cons (unsmob_pitch ($1)->smobbed_copy (), SCM_EOL);
+       | step_numbers {
+               $$ = scm_reverse_x ($1, SCM_EOL);
        }
-       | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
-               $$ = scm_list_n (unsmob_pitch ($1)->smobbed_copy (),
-                       $2, SCM_UNDEFINED);
+       | CHORD_MODIFIER  {
+               $$ = $1;
        }
        ;
 
-chord_note:
-       bare_unsigned {
-                Pitch m;
-               m.notename_ = ($1 - 1) % 7;
-               m.octave_ = $1 > 7 ? 1 : 0;
-               m.alteration_ = 0;
+step_numbers:
+       step_number { $$ = gh_cons ($1, SCM_EOL); } 
+       | step_numbers '.' step_number {
+               $$ = gh_cons ($3, $$);
+       }
+       ;
 
-               $$ = m.smobbed_copy ();
+step_number:
+       bare_unsigned {
+               $$ = make_chord_step ($1, 0);
         } 
        | bare_unsigned '+' {
-               Pitch m;
-               m.notename_ = ($1 - 1) % 7;
-               m.octave_ = $1 > 7 ? 1 : 0;
-               m.alteration_ = 1;
-
-
-               $$ = m.smobbed_copy ();
+               $$ = make_chord_step ($1, 1);
        }
        | bare_unsigned CHORD_MINUS {
-               Pitch m;
-               m.notename_ = ($1 - 1) % 7;
-               m.octave_ = $1 > 7 ? 1 : 0;
-               m.alteration_ = -1;
-
-               $$ = m.smobbed_copy ();
+               $$ = make_chord_step ($1,-1);
        }
-        ;
+        ;      
 
 /*
        UTILITIES
+
+TODO: should deprecate in favor of Scheme?
+
  */
 number_expression:
        number_expression '+' number_term {
@@ -2076,10 +2186,7 @@ number_term:
        ;
 
 number_factor:
-       '(' number_expression ')'       {
-               $$ = $2;
-       }
-       | '-'  number_factor { /* %prec UNARY_MINUS */
+       '-'  number_factor { /* %prec UNARY_MINUS */
                $$ = scm_difference ($2, SCM_UNDEFINED);
        }
        | bare_number
@@ -2096,20 +2203,11 @@ bare_number:
        | NUMBER_IDENTIFIER             {
                $$ = $1;
        }
-       | REAL CM_T     {
-               $$ = gh_double2scm (gh_scm2double ($1) CM );
-       }
-       | REAL PT_T     {
-               $$ = gh_double2scm (gh_scm2double ($1) PT);
-       }
-       | REAL IN_T     {
-               $$ = gh_double2scm (gh_scm2double ($1) INCH);
-       }
-       | REAL MM_T     {
-               $$ = gh_double2scm (gh_scm2double ($1) MM);
+       | REAL NUMBER_IDENTIFIER        {
+               $$ = gh_double2scm (gh_scm2double ($1) * gh_scm2double ($2));
        }
-       | REAL CHAR_T   {
-               $$ = gh_double2scm (gh_scm2double ($1) CHAR);
+       | UNSIGNED NUMBER_IDENTIFIER    {
+               $$ = gh_double2scm ($1 * gh_scm2double ($2));
        }
        ;
 
@@ -2165,13 +2263,86 @@ questions:
        ;
 
 
+
+full_markup:
+       MARKUP_IDENTIFIER {
+               $$ = $1;
+       }
+       | MARKUP 
+               { THIS->lexer_->push_markup_state (); }
+       markup
+               { $$ = $3;
+                 THIS->lexer_->pop_state ();
+               }
+       ;
+
+
+/*
+This should be done more dynamically if possible.
+*/ 
+markup:
+       STRING {
+               $$ = make_simple_markup ($1);
+       }
+       | MARKUP_HEAD_MARKUP0 markup {
+               $$ = scm_list_n ($1, $2, SCM_UNDEFINED);
+       }
+       | MARKUP_HEAD_MARKUP0_MARKUP1 markup markup {
+               $$ = scm_list_n ($1, $2, $3, SCM_UNDEFINED);
+       }
+       | MARKUP_HEAD_SCM0_MARKUP1 SCM_T markup {
+               $$  = scm_list_n ($1, $2, $3, SCM_UNDEFINED); 
+       }
+       | markup_line {
+               $$ = $1;
+       }
+       | MARKUP_HEAD_LIST0 markup_list {
+               $$ = scm_list_n ($1,$2, SCM_UNDEFINED);
+       }
+       | MARKUP_HEAD_SCM0 embedded_scm {
+               $$ = scm_list_n ($1, $2, SCM_UNDEFINED);
+       }
+       | MARKUP_HEAD_SCM0_SCM1_MARKUP2 embedded_scm embedded_scm markup {
+               $$ = scm_list_n ($1, $2, $3, $4, SCM_UNDEFINED);
+       }
+       | MARKUP_HEAD_SCM0_SCM1_SCM2 embedded_scm embedded_scm embedded_scm {
+               $$ = scm_list_n ($1, $2, $3, $4, SCM_UNDEFINED);
+       }
+       | MARKUP_IDENTIFIER {
+               $$ = $1;
+       }
+       
+       ;
+
+markup_list:
+       chord_open markup_list_body chord_close { $$ = scm_reverse_x ($2, SCM_EOL); }
+       ;
+
+markup_line:
+       '{' markup_list_body '}' {
+               static SCM line ;
+               if (!line)
+                       line = scm_c_eval_string ("line-markup");
+       
+               $$ = scm_list_n (line, scm_reverse_x ($2, SCM_EOL), SCM_UNDEFINED);
+       }
+       ;
+
+markup_list_body:
+       /**/ {  $$ = SCM_EOL; }
+       | markup_list_body markup {
+               $$ = gh_cons ($2, $1) ;
+       }
+       ;
+
+
 %%
 
 void
 My_lily_parser::set_yydebug (bool )
 {
 #if 0
-       yydebug = b;
+       yydebug = 1;
 #endif
 }
 
@@ -2180,7 +2351,6 @@ extern My_lily_parser * current_parser;
 void
 My_lily_parser::do_yyparse ()
 {
-
        current_parser = this;;
        yyparse ((void*)this);
 }
@@ -2196,6 +2366,7 @@ which is entirely legitimate.
 Or we can scrap it. Barchecks should detect wrong durations, and
 skipTypesetting speeds it up a lot.
 */
+
 void
 My_lily_parser::beam_check (SCM dur)
 {
@@ -2207,3 +2378,51 @@ My_lily_parser::beam_check (SCM dur)
     }
   last_beam_start_ = SCM_EOL;
 }
+
+
+
+
+/*
+
+It is a little strange to have this function in this file, but
+otherwise, we have to import music classes into the lexer.
+
+*/
+int
+My_lily_lexer::try_special_identifiers (SCM * destination, SCM sid)
+{
+       if (gh_string_p (sid)) {
+               *destination = sid;
+               return STRING_IDENTIFIER;
+       } else if (gh_number_p (sid)) {
+               *destination = sid;
+               return NUMBER_IDENTIFIER;
+       } else if (unsmob_translator_def (sid)) {
+               *destination = unsmob_translator_def (sid)->clone_scm();
+               return TRANSLATOR_IDENTIFIER;
+       } else if (unsmob_score (sid)) {
+               Score *sc =  new Score (*unsmob_score (sid));
+               *destination =sc->self_scm ();
+               return SCORE_IDENTIFIER;
+       } else if (Music * mus =unsmob_music (sid)) {
+               *destination = unsmob_music (sid)->clone ()->self_scm();
+               unsmob_music (*destination)->
+                       set_mus_property ("origin", make_input (last_input_));
+               return dynamic_cast<Event*> (mus)
+                       ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
+       } else if (unsmob_duration (sid)) {
+               *destination = unsmob_duration (sid)->smobbed_copy();
+               return DURATION_IDENTIFIER;
+       } else if (unsmob_music_output_def (sid)) {
+               Music_output_def *p = unsmob_music_output_def (sid);
+               p = p->clone ();
+
+               *destination = p->self_scm();
+               return MUSIC_OUTPUT_DEF_IDENTIFIER;
+       } else if (Text_item::markup_p (sid)) {
+               *destination = sid;
+               return MARKUP_IDENTIFIER;
+       }
+
+       return -1;      
+}