]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
(finish_primitive): compile fixes.
[lilypond.git] / lily / parser.yy
index 88da679854cc51cff3533d770299975735045d82..d6a3f997d0e3af8f65fc83af9664f53c7b068487 100644 (file)
 %{ // -*-Fundamental-*-
 
 /*
-  parser.yy -- Bison/C++ parser for mudela
+  parser.yy -- Bison/C++ parser for lilypond
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>
            Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
-#include <iostream.h>
+/*
+  Two shift/reduce problems:
+
+1.     foo = bar.
+
+       "bar" -> String -> Lyric -> Music -> music-assignment
+
+       "bar" -> String -> string-assignment
+
+
+2.  \repeat
+       \repeat .. \alternative
+
+
+    \repeat { \repeat .. \alternative }
+
+or
+
+    \repeat { \repeat } \alternative 
+
+)
+
+--hwn
+
+ */
+
+/*
+
+TODO:
+
+* The rules for who is protecting what are very shady. Uniformise
+  this.
+
+* There are too many lexical modes. 
+
+
+*/
+
+#include <ctype.h>
+
+#include "translator-def.hh"
 #include "lily-guile.hh"
-#include "notename-table.hh"
-#include "scalar.hh"
-#include "translation-property.hh"
-#include "lookup.hh"
 #include "misc.hh"
 #include "my-lily-lexer.hh"
 #include "paper-def.hh"
 #include "midi-def.hh"
 #include "main.hh"
 #include "file-path.hh"
-#include "keyword.hh"
-#include "debug.hh"
+#include "warn.hh"
 #include "dimensions.hh"
-#include "identifier.hh"
-#include "command-request.hh"
-#include "musical-request.hh"
 #include "my-lily-parser.hh"
-#include "context-specced-music.hh"
-#include "translator-group.hh"
 #include "score.hh"
-#include "music-list.hh"
-#include "duration-convert.hh"
-#include "change-translator.hh"
-#include "file-results.hh"
-#include "scope.hh"
-#include "relative-music.hh"
-#include "lyric-combine-music.hh"
-#include "transposed-music.hh"
-#include "time-scaled-music.hh"
-#include "new-repeated-music.hh"
-#include "mudela-version.hh"
-#include "grace-music.hh"
+#include "input-file-results.hh"
+#include "input.hh"
+#include "lilypond-input-version.hh"
+#include "scm-hash.hh"
+#include "auto-change-iterator.hh"
+#include "chord.hh"
+#include "ly-modules.hh"
+#include "music-sequence.hh"
+#include "input-smob.hh"
+#include "event.hh"
+#include "text-item.hh"
+
+bool
+regular_identifier_b (SCM id)
+{
+  String str = ly_scm2string (id);
+  char const *s = str.to_str0 () ;
+
+  bool v = true;
+  while (*s && v)
+   {
+        v = v && isalpha (*s);
+        s++;
+   }
+  return v;
+}
+
+SCM
+make_simple_markup (SCM a)
+{
+       static SCM simple;
+       if (!simple)
+       simple = scm_c_eval_string ("simple-markup");
 
-// mmm
-Mudela_version oldest_version ("1.1.52");
+       return scm_list_n (simple, a, SCM_UNDEFINED);
+}
 
 
+bool
+is_duration_b (int t)
+{
+  return t && t == 1 << intlog2 (t);
+}
 
 void
-print_mudela_versions (ostream &os)
+set_music_properties (Music *p, SCM a)
+{
+  for (SCM k = a; gh_pair_p (k); k = ly_cdr (k))
+       {
+       p->internal_set_mus_property (ly_caar (k), ly_cdar (k));
+       }
+}
+
+
+
+#define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
+
+Music* 
+set_property_music (SCM sym, SCM value)
 {
-  os << "Oldest supported input version:   " << oldest_version.str () << endl;
+       Music * p = MY_MAKE_MUSIC("PropertySet");
+       p->set_mus_property ("symbol", sym);
+       p->set_mus_property ("value", value);
+       return p;
 }
-// needed for bison.simple's malloc() and free()
-#include <malloc.h>
 
-#ifndef NDEBUG
-#define YYDEBUG 1
-#endif
+
+// needed for bison.simple's malloc () and free ()
+
+// #include <malloc.h>
+#include <stdlib.h>
+
+
 
 #define YYERROR_VERBOSE 1
 
-#define YYPARSE_PARAM my_lily_parser_l
-#define YYLEX_PARAM my_lily_parser_l
-#define THIS ((My_lily_parser *) my_lily_parser_l)
+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
-#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f("expecting %d arguments", s))
 
 %}
 
+/* We use SCMs to do strings, because it saves us the trouble of
+deleting them.  Let's hope that a stack overflow doesnt trigger a move
+of the parse stack onto the heap. */
+
 
 %union {
-    Array<Real>* realarr;
-    Array<Musical_pitch> *pitch_arr;
-    Link_array<Request> *reqvec;
-    Array<String> * strvec;
-    Array<int> *intvec;
-    Notename_table *chordmodifiertab;
-    Duration *duration;
-    Identifier *id;
+       String * string;
     Music *music;
-    Music_list *music_list;
     Score *score;
-    Scope *scope;
-    Interval *interval;
-    Musical_req* musreq;
     Music_output_def * outputdef;
-    Musical_pitch * pitch;
-    Midi_def* midi;
-    Moment *moment;
-    Notename_table *notenametab;
-    Paper_def *paper;
-    Real real;
-    Request * request;
-    Scalar *scalar;
-
-    String *string;
-    Tempo_req *tempo;
-    Translator* trans;
-    char c;
+    SCM scm;
     int i;
-    int ii[10];
 }
 %{
 
 int
-yylex (YYSTYPE *s,  void * v_l)
+yylex (YYSTYPE *s,  void * v)
 {
-       My_lily_parser   *pars_l = (My_lily_parser*) v_l;
-       My_lily_lexer * lex_l = pars_l->lexer_p_;
+       My_lily_parser   *pars = (My_lily_parser*) v;
+       My_lily_lexer * lex = pars->lexer_;
 
-       lex_l->lexval_l = (void*) s;
-       return lex_l->yylex ();
+       lex->lexval = (void*) s;
+       lex->prepare_for_next_token();
+       return lex->yylex ();
 }
 
 
@@ -123,236 +179,250 @@ yylex (YYSTYPE *s,  void * v_l)
 %pure_parser
 
 /* tokens which are not keywords */
-
-%token TEXTSCRIPT
+%token AUTOCHANGE
+%token ALIAS
+%token APPLYCONTEXT 
+%token APPLY
 %token ACCEPTS
 %token ALTERNATIVE
 %token BAR
 %token BREATHE
-%token CADENZA
 %token CHORDMODIFIERS
 %token CHORDS
-%token HYPHEN
 %token CLEF
-%token CM_T
 %token CONSISTS
-%token CONSISTSEND
 %token DURATION
+%token SEQUENTIAL
+%token GROBDESCRIPTIONS
+%token SIMULTANEOUS
+%token CONSISTSEND
+%token DENIES
 %token EXTENDER
-%token FONT
-%token GRACE
+%token FIGURES FIGURE_OPEN FIGURE_CLOSE
+%token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
+%token GRACE 
 %token HEADER
-%token IN_T
+%token HYPHEN
 %token INVALID
 %token KEY
-%token KEYSIGNATURE
 %token LYRICS
 %token MARK
-%token MEASURES
+%token MULTI_MEASURE_REST
 %token MIDI
-%token MM_T
-%token MUSICAL_PITCH
+%token PITCH
+%token DEFAULT
 %token NAME
-%token NOTENAMES
+%token PITCHNAMES
 %token NOTES
+%token ONCE
 %token PAPER
 %token PARTIAL
-%token PENALTY
 %token PROPERTY
-%token PT_T
+%token OVERRIDE SET REVERT 
 %token RELATIVE
 %token REMOVE
 %token REPEAT
-%token REPETITIONS
 %token ADDLYRICS
+%token PARTCOMBINE
 %token SCM_T
-%token SCMFILE
 %token SCORE
-%token SCRIPT
-%token SHAPE
 %token SKIP
 %token SPANREQUEST
+%token COMMANDSPANREQUEST
 %token TEMPO
+%token OUTPUTPROPERTY
 %token TIME_T
 %token TIMES
 %token TRANSLATOR
 %token TRANSPOSE
 %token TYPE
+%token UNSET
 %token CONTEXT
-%token VERSION
+%token REST
+
+%token CHORD_OPEN
+%token CHORD_CLOSE
 
-/* escaped */
-%token E_EXCLAMATION E_SMALLER E_BIGGER E_CHAR
 
-%type <i>      exclamations questions
+/* 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 <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
 %token <i>     DIGIT
-%token <pitch> NOTENAME_PITCH
-%token <pitch> TONICNAME_PITCH
-%token <pitch> CHORDMODIFIER_PITCH
-%token <id>    DURATION_IDENTIFIER
+%token <scm>   NOTENAME_PITCH
+%token <scm>   TONICNAME_PITCH
+%token <scm>   CHORDMODIFIER_PITCH
+%token <scm>   DURATION_IDENTIFIER
+%token <scm>    FRACTION
 %token <id>    IDENTIFIER
-%token <id>    NOTENAME_TABLE_IDENTIFIER
-%token <id>    MUSIC_IDENTIFIER
-%token <id>    REQUEST_IDENTIFIER
-%token <id>    REAL_IDENTIFIER
-%token <id>    STRING_IDENTIFIER
-%token <id>    TRANS_IDENTIFIER
-%token <id>    INT_IDENTIFIER
-%token <id>    SCORE_IDENTIFIER
-%token <id>    MIDI_IDENTIFIER
-%token <id>    PAPER_IDENTIFIER
-%token <real>  REAL
-%token <string>        DURATION RESTNAME
-%token <string>        STRING
+%token <scm>   CHORDNAMES CHORDNAMES_IDENTIFIER
+%type <scm>    chordnames_block chordnames_list chord_scm
+
+
+%token <scm>   SCORE_IDENTIFIER
+%token <scm>   MUSIC_OUTPUT_DEF_IDENTIFIER
+%token <scm>   NUMBER_IDENTIFIER
+%token <scm>   EVENT_IDENTIFIER
+%token <scm>   MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
+%token <scm>   STRING_IDENTIFIER SCM_IDENTIFIER 
+%token <scm>   RESTNAME
+%token <scm>   STRING   
+%token <scm>   SCM_T
 %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_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 <scope>  mudela_header mudela_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_parens close_event_parens open_event close_event
+%type <music> event_with_dir event_that_take_dir verbose_event
 %type <i>      sub_quotes sup_quotes
-%type <music>  simple_element  request_chord command_element Simple_music  Composite_music 
-%type <music>  Alternative_music Repeated_music
-%type <i>      abbrev_type
-%type <i>      int unsigned
+%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 <i>      optional_modality
-%type <id>     identifier_init  
-%type <duration> steno_duration optional_notemode_duration
-%type <duration> entered_notemode_duration explicit_duration
-%type <intvec>  int_list
-%type <reqvec>  pre_requests post_requests
-%type <request> gen_text_def
-%type <pitch>   explicit_musical_pitch steno_musical_pitch musical_pitch absolute_musical_pitch
-%type <pitch>   steno_tonic_pitch
-
-%type <pitch_arr>      pitch_list
+%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 <scm>  pre_events post_events
+%type <music> gen_text_def
+%type <scm>   steno_pitch pitch absolute_pitch pitch_also_in_chords
+%type <scm>   explicit_pitch steno_tonic_pitch
+
+%type <scm>    chord_additions chord_subtractions chord_notes chord_step
 %type <music>  chord
-%type <pitch_arr>      chord_additions chord_subtractions chord_notes chord_step
-%type <pitch>  chord_note chord_inversion
-%type <midi>   midi_block midi_body
-%type <duration>       duration_length
-
-%type <scalar>  scalar
-%type <music>  Music Sequential_music Simultaneous_music Music_sequence
-%type <music>  relative_music re_rhythmed_music
-%type <music>  property_def translator_change
-%type <music_list> Music_list
-%type <paper>  paper_block paper_def_body
-%type <real>   real real_with_dimension
-%type <request> abbrev_command_req
-%type <request>        post_request 
-%type <request> command_req verbose_command_req
-%type <request>        extender_req
-%type <request> hyphen_req
-%type <string> string
+%type <scm>    chord_note chord_inversion chord_bass
+%type <scm>    duration_length fraction
+
+%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  simple_property_def
+%type <scm> Music_list
+%type <outputdef>  music_output_def_body
+%type <music> shorthand_command_req
+%type <music>  post_event 
+%type <music> command_req verbose_command_req
+%type <music>  extender_req
+%type <music> hyphen_req
+%type <music> string_event
+%type <scm>    string bare_number number_expression number_term number_factor 
 %type <score>  score_block score_body
-%type <realarr>        real_array
 
-%type <string> script_abbreviation
-%type <trans>  translator_spec_block translator_spec_body
-%type <tempo>  tempo_request
-%type <notenametab> notenames_body notenames_block chordmodifiers_block
+%type <scm>    translator_spec_block translator_spec_body
+%type <music>  tempo_event
+%type <scm> notenames_body notenames_block chordmodifiers_block
+%type <scm>    script_abbreviation
 
 
 
 %left '-' '+'
-%left '*' '/'
+
+/* We don't assign precedence to / and *, because we might need varied
+prec levels in different prods */
+
 %left UNARY_MINUS
 
 %%
 
-mudela:        /* empty */
-       | mudela toplevel_expression {}
-       | mudela assignment { }
-       | mudela error
-       | mudela INVALID        {
-               THIS->error_level_i_  =1;
+lilypond:      /* empty */
+       | lilypond toplevel_expression {}
+       | lilypond assignment  { }
+       | lilypond error {
+               THIS->error_level_  = 1;
+       }
+       | lilypond INVALID      {
+               THIS->error_level_  = 1;
        }
        ;
 
 toplevel_expression:
        notenames_block                 {
-               THIS->lexer_p_->set_notename_table ($1);
+               THIS->lexer_->pitchname_tab_ =  $1;
        }
        | chordmodifiers_block                  {
-               THIS->lexer_p_->set_chordmodifier_table ($1);
+               THIS->lexer_->chordmodifier_tab_  = $1;
        }
-       | mudela_header {
-               delete header_global_p;
-               header_global_p = $1;
+       | lilypond_header {
+               THIS->input_file_->header_ = $1;
        }
        | score_block {
-               score_global_array.push ($1);
+               THIS->input_file_->scores_.push ($1);
        }
-       | paper_block {
-               Identifier * id = new
-                       Paper_def_identifier ($1, PAPER_IDENTIFIER);
-               THIS->lexer_p_->set_identifier ("$defaultpaper", id)
-       }
-       | midi_block {
-               Identifier * id = new
-                       Midi_def_identifier ($1, MIDI_IDENTIFIER);
-               THIS->lexer_p_->set_identifier ("$defaultmidi", id)
-       }
-       | embedded_scm { 
+       | output_def {
+               if (dynamic_cast<Paper_def*> ($1))
+                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultpaper"), $1->self_scm ());
+               else if (dynamic_cast<Midi_def*> ($1))
+                       THIS->lexer_->set_identifier (scm_makfrom0str ("$defaultmidi"), $1->self_scm ());
        }
        ;
 
 embedded_scm:
-       SCMFILE STRING semicolon {
-               read_lily_scm_file (*$2);
-               delete $2;
-       }
-       | SCM_T STRING semicolon {
-               if (THIS->lexer_p_->main_input_b_ && safe_global_b)
-                       error (_("Cannot evaluate Scheme in safe mode"));
-               gh_eval_str ($2->ch_l ());
-               delete $2;
-       };
+       SCM_T
+       | SCM_IDENTIFIER 
+       ;
 
 
 chordmodifiers_block:
-       CHORDMODIFIERS '{' notenames_body '}'  {  $$ = $3; }
+       CHORDMODIFIERS notenames_body   {  $$ = $2; }
        ;
 
-
 notenames_block:
-       NOTENAMES '{' notenames_body '}'  {  $$ = $3; }
+       PITCHNAMES notenames_body   {  $$ = $2; }
        ;
 
-
-
 notenames_body:
-       /**/    {
-               $$ = new Notename_table;
-       }
-       | NOTENAME_TABLE_IDENTIFIER     {
-               $$ = $1-> access_content_Notename_table(true);
-       }
-       | notenames_body STRING '=' explicit_musical_pitch {
-               (*$$)[*$2] = *$4;
+       embedded_scm    {
+         int i = scm_ilength ($1);
 
-               delete $4;
-               delete $2;
+         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);
+         }
+         $$ = tab;
        }
        ;
 
-mudela_header_body:
+lilypond_header_body:
        {
-               $$ = new Scope;
-               THIS->lexer_p_-> scope_l_arr_.push ($$);
+               $$ = ly_make_anonymous_module (); 
+               THIS->lexer_->add_scope ($$);
        }
-       | mudela_header_body assignment semicolon { 
-
+       | lilypond_header_body assignment  { 
+               
        }
        ;
 
-mudela_header:
-       HEADER '{' mudela_header_body '}'       {
-               $$ = $3;
-               THIS->lexer_p_-> scope_l_arr_.pop ();           
+lilypond_header:
+       HEADER '{' lilypond_header_body '}'     {
+               $$ = THIS->lexer_-> remove_scope();
        }
        ;
 
@@ -362,59 +432,103 @@ mudela_header:
 */
 assignment:
        STRING {
-               THIS->remember_spot ();
+               THIS->push_spot ();
        }
        /* cont */ '=' identifier_init  {
-           THIS->lexer_p_->set_identifier (*$1, $4);
-           $4->init_b_ = THIS->init_parse_b_;
-           $4->set_spot (THIS->pop_spot ());
+
+       /*
+               Should find generic way of associating input with objects.
+       */
+               Input ip = THIS->pop_spot ();
+
+               if (! regular_identifier_b ($1))
+               {
+                       ip.warning (_ ("Identifier should have alphabetic characters only"));
+               }
+
+               THIS->lexer_->set_identifier ($1, $4);
+
+/*
+ TODO: devise standard for protection in parser.
+
+  The parser stack lives on the C-stack, which means that
+all objects can be unprotected as soon as they're here.
+
+*/
        }
+       | embedded_scm { }
        ;
 
 
 
 identifier_init:
        score_block {
-               $$ = new Score_identifier ($1, SCORE_IDENTIFIER);
-
-       }
-       | chordmodifiers_block {
-               $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
+               $$ = $1->self_scm ();
+               scm_gc_unprotect_object ($$);
        }
-       | notenames_block {
-               $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
-       }
-       | paper_block {
-               $$ = new Paper_def_identifier ($1, PAPER_IDENTIFIER);
+       | full_markup {
+               $$ = $1;
        }
-       | midi_block {
-               $$ = new Midi_def_identifier ($1, MIDI_IDENTIFIER);
-
+       | output_def {
+               $$ = $1->self_scm ();
+               scm_gc_unprotect_object ($$);
        }
        | translator_spec_block {
-               $$ = new Translator_identifier ($1, TRANS_IDENTIFIER);
+               $$ = $1;
        }
        | Music  {
-               $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
+               $$ = $1->self_scm ();
+               scm_gc_unprotect_object ($$);
        }
-
-       | post_request {
-               $$ = new Request_identifier ($1, REQUEST_IDENTIFIER);
+       | post_event {
+               $$ = $1->self_scm ();
+               scm_gc_unprotect_object ($$);
        }
-       | explicit_duration {
-               $$ = new Duration_identifier ($1, DURATION_IDENTIFIER);
+       | verbose_duration {
+               $$ = $1;
        }
-       | real {
-               $$ = new Real_identifier (new Real ($1), REAL_IDENTIFIER);
+       | number_expression {
+               $$ = $1;
        }
        | string {
-               $$ = new String_identifier ($1, STRING_IDENTIFIER);
+               $$ = $1;
        }
-       | int   {
-               $$ = new int_identifier (new int ($1), INT_IDENTIFIER);
+       | embedded_scm  {
+               $$ = $1;
+       }
+       | chordnames_block {
+               $$ = $1;
+       }       
+       ;
+
+chordnames_block:
+       CHORDNAMES '{'
+               { THIS->lexer_->push_chord_state (); }
+               chordnames_list
+               { THIS->lexer_->pop_state (); }
+       '}'
+       {
+               $$ = $4;
        }
        ;
 
+chordnames_list:
+       /* empty */ {
+               $$ = SCM_EOL;
+       }
+       | CHORDNAMES_IDENTIFIER chordnames_list {
+               $$ = scm_append (scm_list_2 ($1, $2));
+       }
+       | chord_scm '=' full_markup chordnames_list {
+               $$ = scm_cons (scm_cons ($1, $3), $4);
+       };
+
+chord_scm:
+       steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
+               $$ = Chord::tonic_add_sub_to_pitches ($1, $3, $4);
+               /* junk bass and inversion for now */
+       };
+
 translator_spec_block:
        TRANSLATOR '{' translator_spec_body '}'
                {
@@ -423,59 +537,58 @@ translator_spec_block:
        ;
 
 translator_spec_body:
-       TRANS_IDENTIFIER        {
-               $$ = $1->access_content_Translator (true);
-               $$-> set_spot (THIS->here_input ());
+       TRANSLATOR_IDENTIFIER   {
+               $$ = $1;
+               unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
        }
-       | TYPE STRING semicolon {
-               Translator* t = get_translator_l (*$2);
-               Translator_group * tg = dynamic_cast<Translator_group*> (t);
-
-               if (!tg)
-                       THIS->parser_error (_("Need a translator group for a context"));
-               
-               t = t->clone ();
-               t->set_spot (THIS->here_input ());
-               $$ = t;
-               delete $2;
+       | TYPE STRING   {
+               $$ = Translator_def::make_scm ();
+               Translator_def*td =  unsmob_translator_def ($$);
+               td->translator_group_type_ = $2;
+               td->set_spot (THIS->here_input ());
        }
-       | translator_spec_body STRING '=' identifier_init semicolon     { 
-               Identifier* id = $4;
-               String_identifier *s = dynamic_cast<String_identifier*> (id);
-               Real_identifier *r= dynamic_cast<Real_identifier*>(id);
-               int_identifier *i = dynamic_cast<int_identifier*> (id);
-       
-               String str;
-               if (s) str = *s->access_content_String (false); 
-               if (i) str = to_str (*i->access_content_int (false));
-               if (r) str = to_str (*r->access_content_Real (false));
-               if (!s && !i && !r)
-                       THIS->parser_error (_("Wrong type for property value"));
-
-               delete $4;
-               /* ugh*/
-               Translator_group * tr = dynamic_cast<Translator_group*>($$);
-               tr->set_property (*$2, str);
+       | translator_spec_body STRING '=' embedded_scm                  {
+               unsmob_translator_def ($$)->add_property_assign ($2, $4);
+       }
+       | translator_spec_body STRING OVERRIDE embedded_scm '=' embedded_scm {
+               unsmob_translator_def ($$)
+                       ->add_push_property (scm_string_to_symbol ($2), $4, $6);
+       }
+       | translator_spec_body STRING SET embedded_scm '=' embedded_scm {
+               unsmob_translator_def ($$)
+                       ->add_push_property (scm_string_to_symbol ($2), $4, $6);
+       }
+       | translator_spec_body STRING REVERT embedded_scm  {
+         unsmob_translator_def ($$)->add_pop_property (
+               scm_string_to_symbol ($2), $4);
+       }
+       | translator_spec_body NAME STRING  {
+               unsmob_translator_def ($$)->type_name_ = $3;
+       }
+       | translator_spec_body CONSISTS STRING  {
+               unsmob_translator_def ($$)->add_element ($3);
+       }
+       | translator_spec_body ALIAS STRING  {
+               Translator_def*td = unsmob_translator_def ($$);
+               td->type_aliases_ = scm_cons ($3, td->type_aliases_);
        }
-       | translator_spec_body NAME STRING semicolon {
-               $$->type_str_ = *$3;
-               delete $3;
+       | translator_spec_body GROBDESCRIPTIONS embedded_scm {
+               Translator_def*td = unsmob_translator_def($$);
+               // td->add_property_assign (ly_symbol2scm ("allGrobDescriptions"), $3);
+               for (SCM p = $3; gh_pair_p (p); p = ly_cdr (p))
+                       td->add_property_assign (scm_symbol_to_string (ly_caar (p)), ly_cdar (p));
        }
-       | translator_spec_body CONSISTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+       | translator_spec_body CONSISTSEND STRING  {
+               unsmob_translator_def ($$)->add_last_element ( $3);
        }
-       | translator_spec_body CONSISTSEND STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+       | translator_spec_body ACCEPTS STRING  {
+               unsmob_translator_def ($$)->set_acceptor ($3,true);
        }
-       | translator_spec_body ACCEPTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_acceptor (*$3, true);
-               delete $3;
+       | translator_spec_body DENIES STRING  {
+               unsmob_translator_def ($$)->set_acceptor ($3,false);
        }
-       | translator_spec_body REMOVE STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, false);
-               delete $3;
+       | translator_spec_body REMOVE STRING  {
+               unsmob_translator_def ($$)->remove_element ($3);
        }
        ;
 
@@ -484,28 +597,43 @@ translator_spec_body:
 */
 score_block:
        SCORE { 
+               THIS->push_spot ();
        }
        /*cont*/ '{' score_body '}'     {
+               THIS->pop_spot ();
                $$ = $4;
-               if (!$$->def_p_arr_.size ())
-                       $$->add_output (THIS->default_paper_p ());
+               if (!$$->defs_.size ())
+               {
+                 Music_output_def *id =
+                       unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
+                 $$->add_output (id ? id->clone () :  new Paper_def );
+               }
        }
        ;
 
-score_body:            {
+score_body:
+       Music   {
                $$ = new Score;
+       
                $$->set_spot (THIS->here_input ());
+               SCM m = $1->self_scm ();
+               scm_gc_unprotect_object (m);
+
+               /*
+                       guh.
+               */
+               SCM check_funcs = scm_c_eval_string ("toplevel-music-functions");
+               for (; gh_pair_p (check_funcs); check_funcs = gh_cdr (check_funcs))
+                       m = gh_call1 (gh_car (check_funcs), m);
+               $$->music_ = m;
+
        }
        | SCORE_IDENTIFIER {
-               $$ = $1->access_content_Score (true);
-       }
-       | score_body mudela_header      {
-               $$->header_p_ = $2;
+               $$ = unsmob_score ($1);
+               $$->set_spot (THIS->here_input ());
        }
-       | score_body Music      {
-               if ($$->music_p_)
-                       $2->warning (_ ("More than one music block"));  
-               $$->music_p_ = $2;
+       | score_body lilypond_header    {
+               $$->header_ = $2;
        }
        | score_body output_def {
                $$->add_output ($2);
@@ -515,174 +643,104 @@ score_body:             {
        }
        ;
 
+
+/*
+       MIDI
+*/
 output_def:
-       paper_block {
+       music_output_def_body '}' {
                $$ = $1;
-       }
-       |  midi_block           {
-               $$= $1;
+               THIS-> lexer_-> remove_scope ();
        }
        ;
 
+music_output_def_body:
+       MIDI '{'    {
+               Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultmidi"));
 
-/*
-       PAPER
-*/
-paper_block:
-       PAPER '{' paper_def_body '}'    { 
-               $$ = $3;
-               THIS-> lexer_p_->scope_l_arr_.pop ();
-       }
-       ;
 
+               Midi_def* p =0;
+               if (id)
+                       p = dynamic_cast<Midi_def*> (id->clone ());
+               else
+                       p = new Midi_def;
 
-paper_def_body:
-       /* empty */                     {
-               Paper_def *p = THIS->default_paper_p ();
-               THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
-               $$ = p;
-       }
-       | PAPER_IDENTIFIER      {
-               Paper_def *p = $1->access_content_Paper_def (true);
-               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
                $$ = p;
+               THIS->lexer_->add_scope (p->scope_);
        }
-       | paper_def_body int '=' FONT STRING            { // ugh, what a syntax
-               Lookup * l = new Lookup;
-               l->font_name_ = *$5;
-               delete $5;
-               $$->set_lookup ($2, l);
-       }
-       | paper_def_body assignment semicolon {
+       | PAPER '{'     {
+               Music_output_def *id = unsmob_music_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"));
+                 Paper_def *p = 0;
+               if (id)
+                       p = dynamic_cast<Paper_def*> (id->clone ());
+               else
+                       p = new Paper_def;
 
+               THIS->lexer_->add_scope (p->scope_);
+               $$ = p;
        }
-       | paper_def_body translator_spec_block {
-               $$->assign_translator ($2);
-       }
-       | paper_def_body SHAPE real_array  semicolon {
-               /*
-                       URG URG.
-               */
-               if ($3->size () % 2)
-                       warning ("Need even number of args for shape array");
+       | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
+               Music_output_def * o =  unsmob_music_output_def ($3);
+               $$ =o;
 
-               for (int i=0; i < $3->size ();  i+=2)
-               {
-                       Real l = $3->elem (i);
-                       $$->shape_int_a_.push (Interval (l,
-                                                        l + $3->elem (i+1)));
-               }
-               delete $3;
+               THIS->lexer_->add_scope (o->scope_);
        }
-       | paper_def_body error {
+       | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
+               Music_output_def * o =  unsmob_music_output_def ($3);
+               $$ = o;
 
+               THIS->lexer_->add_scope (o->scope_);
        }
-       ;
-
-
+       | music_output_def_body assignment  {
 
-real_with_dimension:
-       REAL CM_T       {
-               $$ = $1 CM;
        }
-       | REAL PT_T     {
-               $$ = $1 PT;
-       }
-       | REAL IN_T     {
-               $$ = $1 INCH;
+       | music_output_def_body translator_spec_block   {
+               $$->assign_translator ($2);
        }
-       | REAL MM_T     {
-               $$ = $1 MM;
+       | music_output_def_body tempo_event  {
+               /*
+                       junk this ? there already is tempo stuff in
+                       music.
+               */
+               int m = gh_scm2int ( $2->get_mus_property ("metronome-count"));
+               Duration *d = unsmob_duration ($2->get_mus_property ("tempo-unit"));
+               Midi_def * md = dynamic_cast<Midi_def*> ($$);
+               if (md)
+                       md->set_tempo (d->get_length (), m);
        }
-       ;
+       | music_output_def_body error {
 
-real:
-       REAL            {
-               $$ = $1;
-       }
-       | real_with_dimension
-       | REAL_IDENTIFIER               {
-               $$= *$1->access_content_Real (false);
-       }
-       | '-'  real %prec UNARY_MINUS {
-               $$ = -$2;
-       }
-       | real '*' real {
-               $$ = $1 * $3;
-       }
-       | real '/' real {
-               $$ = $1 / $3;
-       }
-       | real '+' real {
-               $$ = $1  + $3;
-       }
-       | real '-' real {
-               $$ = $1 - $3;
-       }
-       | '(' real ')'  {
-               $$ = $2;
        }
        ;
-               
 
-real_array:
-       real {
-               $$ = new Array<Real>;
-               $$->push ($1);
-       }
-       |  /* empty */ {
-               $$ = new Array<Real>;
-       }
-       | real_array ',' real {
-               $$->push($3);
+tempo_event:
+       TEMPO steno_duration '=' bare_unsigned  {
+               $$ = MY_MAKE_MUSIC("TempoEvent");
+               $$->set_mus_property ("tempo-unit", $2);
+               $$->set_mus_property ("metronome-count", gh_int2scm ( $4));
        }
        ;
 
 /*
-       MIDI
-*/
-midi_block:
-       MIDI
-
-       '{' midi_body '}'       { $$ = $3; }
-       ;
-
-midi_body: /* empty */                 {
-               $$ = THIS->default_midi_p ();
-       }
-       | MIDI_IDENTIFIER       {
-               $$ = $1-> access_content_Midi_def (true);
-       }
-       | midi_body assignment semicolon {
-
-       }
-       | midi_body translator_spec_block       {
-               $$-> assign_translator ($2);
-       }
-       | midi_body tempo_request semicolon {
-               $$->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
-               delete $2;
-       }
-       | midi_body error {
-
-       }
-       ;
+The representation of a  list is the
 
-tempo_request:
-       TEMPO steno_duration '=' unsigned       {
-               $$ = new Tempo_req;
-               $$->dur_ = *$2;
-               delete $2;
-               $$-> metronome_i_ = $4;
-       }
-       ;
+  (LIST . LAST-CONS)
 
-Music_list: /* empty */ {
-               $$ = new Music_list;
-               $$->set_spot (THIS->here_input ());
+ to have  efficient append.
+*/
+Music_list:
+       /* empty */ {
+               $$ = scm_cons (SCM_EOL, SCM_EOL);
        }
        | Music_list Music {
-               $$->add_music ($2);
+               SCM s = $$;
+               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 */
+               else
+                       gh_set_car_x (s, c); /* set first cons */
+               gh_set_cdr_x (s, c) ;  /* remember last cell */ 
        }
        | Music_list error {
        }
@@ -696,388 +754,739 @@ Music:
 
 Alternative_music:
        /* empty */ {
-               $$ = 0;
+               $$ = SCM_EOL;
        }
-       | ALTERNATIVE Music_sequence {
-               $$ = $2;
-               $2->set_spot (THIS->here_input ());
+       | ALTERNATIVE '{' Music_list '}' {
+               $$ = $3;
        }
        ;
 
+Repeated_music:
+       REPEAT string bare_unsigned Music Alternative_music
+       {
+               Music *beg = $4;
+               int times = $3;
+               SCM alts = gh_pair_p ($5) ? gh_car ($5) : SCM_EOL;
+               if (times < scm_ilength (alts)) {
+                 unsmob_music (gh_car (alts))
+                   ->origin ()->warning (
+                   _("More alternatives than repeats.  Junking excess alternatives."));
+                 alts = ly_truncate_list (times, alts);
+               }
+
 
+               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 ());
+                       scm_gc_unprotect_object (beg->self_scm ());
+                       }
+               r->set_mus_property ("repeat-count", gh_int2scm (times >? 1));
 
-Repeated_music:
-       REPEAT STRING unsigned Music Alternative_music
-       {
-               Music_sequence* m = dynamic_cast <Music_sequence*> ($5);
-               if (m && $3 < m->length_i ())
-                       $5->warning ("More alternatives than repeats. Junking excess alternatives.");
+               r-> set_mus_property ("elements",alts);
+               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.
+               */
+                       SCM func = scm_primitive_eval (ly_symbol2scm ("shift-duration-log"));
+                       if (($3 % 3) == 0)
+                         gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3*2/3)),gh_int2scm(1));
+                       else
+                         gh_call3 (func, r->self_scm (), gh_int2scm(-intlog2 ($3)), gh_int2scm(0));
+               }
+               r->set_spot (*$4->origin ());
 
-               Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
                $$ = r;
-               r->fold_b_ = (*$2 == "fold");
-               r->semi_fold_b_ =  (*$2 == "semi");
-               delete $2;
-               r->set_spot ($4->spot  ());
        }
        ;
 
-Music_sequence: '{' Music_list '}'     {
-               $$ = new Music_sequence ($2);
-               $$->set_spot ($2->spot ());
+Sequential_music:
+       SEQUENTIAL '{' Music_list '}'           {
+               $$ = MY_MAKE_MUSIC("SequentialMusic");
+               $$->set_mus_property ("elements", ly_car ($3));
+               $$->set_spot(THIS->here_input());
        }
-       ;
-
-Sequential_music: '{' Music_list '}'           {
-               $$ = new Sequential_music ($2);
-               $$->set_spot ($2->spot ());
+       | '{' Music_list '}'            {
+               $$ = MY_MAKE_MUSIC("SequentialMusic");
+               $$->set_mus_property ("elements", ly_car ($2));
+               $$->set_spot(THIS->here_input());
        }
        ;
 
-Simultaneous_music: '<' Music_list '>' {
-               $$ = new Simultaneous_music ($2);
-               $$->set_spot ($2->spot ());
+Simultaneous_music:
+       SIMULTANEOUS '{' Music_list '}'{
+               $$ = MY_MAKE_MUSIC("SimultaneousMusic");
+               $$->set_mus_property ("elements", ly_car ($3));
+               $$->set_spot(THIS->here_input());
+
+       }
+       | '<' Music_list '>'    {
+               $$ = MY_MAKE_MUSIC("SimultaneousMusic");
+               $$->set_mus_property ("elements", ly_car ($2));
+               $$->set_spot(THIS->here_input());
        }
        ;
 
 Simple_music:
-       request_chord           { $$ = $1; }
-       | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
-       | property_def
-       | translator_change
-       | Simple_music '*' unsigned '/' unsigned        {
-               /* urg */
-               $$ = new Time_scaled_music ($3, $5, $1);
+       event_chord             { $$ = $1; }
+       | APPLYCONTEXT embedded_scm {
+               if (!gh_procedure_p ($2))
+                       THIS->parser_error (_ ("\applycontext takes function argument"));
+               $$ = MY_MAKE_MUSIC ("ApplyContext");
+               $$->set_mus_property ("procedure", $2);
+               $$->set_spot (THIS->here_input());
+       }
+       | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
+               SCM pred = $2;
+               if (!gh_symbol_p ($3))
+               {
+                       THIS->parser_error (_ ("Second argument must be a symbol")); 
+               }
+               /* Should check # args */
+               if (!gh_procedure_p (pred))
+               {
+                       THIS->parser_error (_ ("First argument must be a procedure taking one argument"));
+               }
+
+               Music*m = MY_MAKE_MUSIC("OutputPropertySetMusic");
+               m->set_mus_property ("predicate", pred);
+               m->set_mus_property ("grob-property", $3);
+               m->set_mus_property ("grob-value",  $5);
+
+               $$ = m;
        }
-       | Simple_music '*' unsigned              {
-               $$ = new Time_scaled_music ($3, 1, $1);
+       | MUSIC_IDENTIFIER {
+               $$ = unsmob_music ($1);
        }
+       | property_def
+       | translator_change
        ;
 
 
 Composite_music:
        CONTEXT STRING Music    {
-               Context_specced_music *csm =  new Context_specced_music ($3);
+               Music*csm =MY_MAKE_MUSIC("ContextSpeccedMusic");
+
+               csm->set_mus_property ("element", $3->self_scm ());
+               scm_gc_unprotect_object ($3->self_scm ());
 
-               csm->translator_type_str_ = *$2;
-               csm->translator_id_str_ = "";
-               delete $2;
+               csm->set_mus_property ("context-type",$2);
+               csm->set_mus_property ("context-id", scm_makfrom0str (""));
 
                $$ = csm;
        }
+       | AUTOCHANGE STRING Music       {
+       Music*chm = MY_MAKE_MUSIC("AutoChangeMusic");
+               chm->set_mus_property ("element", $3->self_scm ());
+               chm->set_mus_property ("iterator-ctor", Auto_change_iterator::constructor_proc);
+
+               scm_gc_unprotect_object ($3->self_scm ());
+               chm->set_mus_property ("what", $2); 
+
+               $$ = chm;
+               chm->set_spot (*$3->origin ());
+       }
        | GRACE Music {
-               $$ = new Grace_music ($2);
+#if 1
+       /*
+               The other version is for easier debugging  of
+               Sequential_music_iterator in combination with grace notes.
+       */
+
+               SCM start = THIS->lexer_->lookup_identifier ("startGraceMusic");
+               SCM stop = THIS->lexer_->lookup_identifier ("stopGraceMusic");
+               Music *startm = unsmob_music (start);
+               Music *stopm = unsmob_music (stop);
+
+               SCM ms = SCM_EOL;
+               if (stopm) {
+                       stopm = stopm->clone ();
+                       ms = scm_cons (stopm->self_scm (), ms);
+                       scm_gc_unprotect_object (stopm->self_scm ());
+               }
+               ms = scm_cons ($2->self_scm (), ms);
+               scm_gc_unprotect_object ($2->self_scm());
+               if (startm) {
+                       startm = startm->clone ();
+                       ms = scm_cons (startm->self_scm () , ms);
+                       scm_gc_unprotect_object (startm->self_scm ());
+               }
+
+       
+               Music* seq = MY_MAKE_MUSIC("SequentialMusic");
+               seq->set_mus_property ("elements", ms);
+
+               
+               $$ = MY_MAKE_MUSIC("GraceMusic");
+               $$->set_mus_property ("element", seq->self_scm ());
+               scm_gc_unprotect_object (seq->self_scm ());
+#else
+               $$ = 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 ($5);
+       | CONTEXT string '=' string Music {
+               Music * csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
 
-               csm->translator_type_str_ = *$2;
-               csm->translator_id_str_ = *$4;
-               delete $2;
-               delete $4;
+               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-id", $4);
 
                $$ = csm;
        }
        | TIMES {
-               THIS->remember_spot ();
+               THIS->push_spot ();
        }
        /* CONTINUED */ 
-               unsigned '/' unsigned Music     
+               fraction Music  
 
        {
-               $$ = new Time_scaled_music ($3, $5, $6);
+               int n = gh_scm2int (ly_car ($3)); int d = gh_scm2int (ly_cdr ($3));
+               Music *mp = $4;
+       $$= MY_MAKE_MUSIC("TimeScaledMusic");
                $$->set_spot (THIS->pop_spot ());
+
+
+               $$->set_mus_property ("element", mp->self_scm ());
+               scm_gc_unprotect_object (mp->self_scm ());
+               $$->set_mus_property ("numerator", gh_int2scm (n));
+               $$->set_mus_property ("denominator", gh_int2scm (d));
+               $$->compress (Moment (Rational (n,d)));
+
        }
        | Repeated_music                { $$ = $1; }
        | Simultaneous_music            { $$ = $1; }
        | Sequential_music              { $$ = $1; }
-       | TRANSPOSE musical_pitch Music {
-               $$ = new Transposed_music ($3, *$2);
-               delete $2;
-       }
-       | TRANSPOSE steno_tonic_pitch Music {
-               $$ = new Transposed_music ($3, *$2);
-               delete $2;
+       | TRANSPOSE pitch_also_in_chords pitch_also_in_chords Music {
+               $$ = MY_MAKE_MUSIC("TransposedMusic");
+               Music *p = $4;
+               Pitch from = *unsmob_pitch ($2);
+               Pitch to = *unsmob_pitch ($3);
+
+               p->transpose (interval (from, to));
+               $$->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 = MY_MAKE_MUSIC("Music");
+                       }
+               $$ = m;
        }
        | NOTES
-               { THIS->lexer_p_->push_note_state (); }
+               { THIS->lexer_->push_note_state (); }
        Music
                { $$ = $3;
-                 THIS->lexer_p_->pop_state ();
+                 THIS->lexer_->pop_state ();
                }
+       | FIGURES
+               { THIS->lexer_->push_figuredbass_state (); }
+       Music
+               {
+                 Music * chm = MY_MAKE_MUSIC("UntransposableMusic");
+                 chm->set_mus_property ("element", $3->self_scm ());
+                 $$ = chm;
+                 scm_gc_unprotect_object ($3->self_scm());
+
+                 THIS->lexer_->pop_state ();
+       }
        | CHORDS
-               { THIS->lexer_p_->push_chord_state (); }
+               { THIS->lexer_->push_chord_state (); }
        Music
                {
-                 $$ = $3;
-                 THIS->lexer_p_->pop_state ();
+                 Music * chm = MY_MAKE_MUSIC("UnrelativableMusic");
+                 chm->set_mus_property ("element", $3->self_scm ());
+                 scm_gc_unprotect_object ($3->self_scm());
+                 $$ = chm;
+
+                 THIS->lexer_->pop_state ();
        }
        | LYRICS
-               { THIS->lexer_p_->push_lyric_state (); }
+               { THIS->lexer_->push_lyric_state (); }
        Music
                {
                  $$ = $3;
-                 THIS->lexer_p_->pop_state ();
+                 THIS->lexer_->pop_state ();
        }
        | relative_music        { $$ = $1; }
        | re_rhythmed_music     { $$ = $1; } 
+       | part_combined_music   { $$ = $1; } 
        ;
 
 relative_music:
-       RELATIVE absolute_musical_pitch Music {
-               $$ = new Relative_octave_music ($3, *$2);
-               delete $2;
+       RELATIVE absolute_pitch Music {
+               Music * p = $3;
+               Pitch pit = *unsmob_pitch ($2);
+               $$ = 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 ());
+
        }
        ;
 
 re_rhythmed_music:
        ADDLYRICS Music Music {
-               Lyric_combine_music * l = new Lyric_combine_music ($2, $3);
-               $$ = l;
+       Music*l =MY_MAKE_MUSIC("LyricCombineMusic");
+         l->set_mus_property ("elements", gh_list ($2->self_scm (), $3->self_scm (), SCM_UNDEFINED));
+         scm_gc_unprotect_object ($3->self_scm ());
+         scm_gc_unprotect_object ($2->self_scm ());
+         $$ = l;
+       }
+       ;
+
+part_combined_music:
+       PARTCOMBINE STRING Music Music {
+       Music * p= MY_MAKE_MUSIC("PartCombineMusic");
+               p->set_mus_property ("what", $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;
        }
        ;
 
 translator_change:
        TRANSLATOR STRING '=' STRING  {
-               Change_translator * t = new Change_translator;
-               t-> change_to_type_str_ = *$2;
-               t-> change_to_id_str_ = *$4;
+               Music*t= MY_MAKE_MUSIC("TranslatorChange");
+               t-> set_mus_property ("change-to-type", $2);
+               t-> set_mus_property ("change-to-id", $4);
 
                $$ = t;
                $$->set_spot (THIS->here_input ());
-               delete $2;
-               delete $4;
        }
        ;
 
 property_def:
-       PROPERTY STRING '.' STRING '=' scalar {
-               Translation_property *t = new Translation_property;
+       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);
+       }
+       ;
 
-               t-> var_str_ = *$4;
-               t-> value_ = *$6;
+simple_property_def:
+       PROPERTY STRING '.' STRING '='  scalar {
+               Music *t = set_property_music (scm_string_to_symbol ($4), $6);
+               Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
+
+               csm->set_mus_property ("element", t->self_scm ());
+               scm_gc_unprotect_object (t->self_scm ());
 
-               Context_specced_music *csm = new Context_specced_music (t);
                $$ = csm;
                $$->set_spot (THIS->here_input ());
 
-               csm-> translator_type_str_ = *$2;
-
-               delete $2;
-               delete $4;
-               delete $6;
+               csm-> set_mus_property ("context-type", $2);
+       }
+       | PROPERTY STRING '.' STRING UNSET {
+               
+               Music *t = MY_MAKE_MUSIC("PropertyUnset");
+               t->set_mus_property ("symbol", scm_string_to_symbol ($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 ());
+
+               csm-> set_mus_property ("context-type", $2);
+       }
+       | PROPERTY STRING '.' STRING SET embedded_scm '=' embedded_scm {
+               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);
+
+               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);
+       }
+       | 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);
+               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);
+
+       }
+       | PROPERTY STRING '.' STRING REVERT embedded_scm {
+               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);
+               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);
        }
        ;
 
+
 scalar:
-       string          { $$ = new Scalar (*$1); delete $1; }
-       | int           { $$ = new Scalar ($1); }
-       ;
+        string          { $$ = $1; }
+        | bare_int      { $$ = gh_int2scm ($1); }
+        | embedded_scm  { $$ = $1; }
+       | full_markup {  $$ = $1; }
+        ;
 
 
-request_chord:
-       pre_requests simple_element post_requests       {
-               Music_sequence *l = dynamic_cast<Music_sequence*>($2);
-               for (int i=0; i < $1->size(); i++)
-                       l->add_music ($1->elem(i));
-               for (int i=0; i < $3->size(); i++)
-                       l->add_music ($3->elem(i));
-               $$ = $2;
-               
+event_chord:
+       pre_events {
+               THIS->push_spot ();
+       } /*cont */ simple_element post_events  {
+               SCM elts = $3-> get_mus_property ("elements");
+
+               elts = gh_append3 (elts, scm_reverse_x ($1, SCM_EOL),
+                                  scm_reverse_x ($4, SCM_EOL));
+
+               $3-> set_mus_property ("elements", elts);
+               $$ = $3;
        }
        | command_element
+       | note_chord_element
+       ;
+
+
+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);
+
+               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);
+               $$ = $1;
+       }
+       ;
+
+chord_body:
+       CHORD_OPEN chord_body_elements CHORD_CLOSE
+       {
+               $$ = 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 {
-               $$ = new Request_chord;
+               $$ = 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 ());
-               ((Simultaneous_music*)$$) ->add_music ($1);//ugh
+       }
+       | E_LEFTSQUARE {
+               Music *l = MY_MAKE_MUSIC("LigatureEvent");
+               l->set_mus_property ("span-direction", gh_int2scm (START));
+               l->set_spot (THIS->here_input ());
+
+               $$ = 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 ());
+       }
+       | 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));
+               $$->set_spot (THIS->here_input ());
+               scm_gc_unprotect_object (l->self_scm());
+       }
+       | E_BACKSLASH {
+               $$ = MY_MAKE_MUSIC("VoiceSeparator");
+               $$->set_spot (THIS->here_input ());
+       }
+       | '|'      {
+
+               $$ = MY_MAKE_MUSIC("BarCheck");
+               $$->set_spot (THIS->here_input ());
+       }
+       | BAR STRING                    {
+               Music *t = set_property_music (ly_symbol2scm ("whichBar"), $2);
+
+               Music *csm = MY_MAKE_MUSIC("ContextSpeccedMusic");
+               csm->set_mus_property ("element", t->self_scm ());
+               scm_gc_unprotect_object (t->self_scm ());
+
+               $$ = csm;
+               $$->set_spot (THIS->here_input ());
+
+               csm->set_mus_property ("context-type", scm_makfrom0str ("Timing"));
+       }
+       | PARTIAL duration_length       {
+               Moment m = - unsmob_duration ($2)->get_length ();
+               Music * p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
+
+               Music * sp = MY_MAKE_MUSIC("ContextSpeccedMusic");
+               sp->set_mus_property ("element", p->self_scm ());
+               scm_gc_unprotect_object (p->self_scm ());
+
+               $$ =sp ;
+               sp-> set_mus_property ("context-type", scm_makfrom0str ("Timing"));
+       }
+       | CLEF STRING  {
+               static SCM proc ;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-clef-set");
+
+               SCM result = scm_call_1 (proc, $2);
+               scm_gc_protect_object (result);
+               $$ = unsmob_music (result);
+       }
+       | TIME_T fraction  {
+               static SCM proc;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-time-signature-set");
+
+               SCM result = scm_apply_2   (proc, gh_car ($2), gh_cdr ($2), SCM_EOL);
+               scm_gc_protect_object (result);
+               $$ = unsmob_music (result);
        }
        ;
 
 command_req:
-       abbrev_command_req
-       | verbose_command_req semicolon { $$ = $1; }
+       shorthand_command_req   { $$ = $1; }
+       | verbose_command_req   { $$ = $1; }
        ;
 
-abbrev_command_req:
+shorthand_command_req:
        extender_req {
                $$ = $1;
        }
        | hyphen_req {
                $$ = $1;
        }
-       | '|'                           {
-               $$ = new Barcheck_req;
-       }
        | '~'   {
-               $$ = new Tie_req;
+               $$ = MY_MAKE_MUSIC("TieEvent");
        }
        | '['           {
-               Span_req*b= new Span_req;
-               b->span_dir_ = START;
-               b->span_type_str_ = "beam";
-               $$ =b;
+               Music *b= MY_MAKE_MUSIC("BeamEvent");
+               b->set_mus_property ("span-direction", gh_int2scm (START));
+               $$ = b;
+
+               THIS->last_beam_start_ = b->self_scm ();
        }
        | ']'           {
-               Span_req*b= new Span_req;
-               b->span_dir_ = STOP;
-               b->span_type_str_ = "beam";
+               Music *b= MY_MAKE_MUSIC("BeamEvent");
+               b->set_mus_property ("span-direction", gh_int2scm (STOP));
                $$ = b;
        }
        | BREATHE {
-               $$ = new Breathing_sign_req;
+               $$ = MY_MAKE_MUSIC("BreathingSignEvent");
+       }
+       | E_TILDE {
+               $$ = MY_MAKE_MUSIC("PorrectusEvent");
        }
        ;
 
-
 verbose_command_req:
-       BAR STRING                      {
-               $$ = new Bar_req (*$2);
-               delete $2;
-       }
-       | MARK STRING {
-               $$ = new Mark_req (*$2);
-               delete $2;
-       }
-       | MARK unsigned {
-               $$ = new Mark_req (to_str ($2));
-       }
-       | TIME_T unsigned '/' unsigned  {
-               Time_signature_change_req *m = new Time_signature_change_req;
-               m->beats_i_ = $2;
-               m->one_beat_i_=$4;
+       MARK DEFAULT  {
+               Music * m = MY_MAKE_MUSIC("MarkEvent");
                $$ = m;
        }
-       | PENALTY int   {
-               Break_req * b = new Break_req;
-               b->penalty_i_ = $2;
-               b-> set_spot (THIS->here_input ());
-               $$ = b;
+       | MARK scalar {
+               Music *m = MY_MAKE_MUSIC("MarkEvent");
+               m->set_mus_property ("label", $2);
+               $$ = m;
        }
        | SKIP duration_length {
-               Skip_req * skip_p = new Skip_req;
-               skip_p->duration_ = *$2;
-               delete $2;
-               $$ = skip_p;
+               Music * skip = MY_MAKE_MUSIC("SkipEvent");
+               skip->set_mus_property ("duration", $2);
+
+               $$ = skip;
        }
-       | tempo_request {
+       | tempo_event {
                $$ = $1;
        }
-       | CADENZA unsigned      {
-               $$ = new Cadenza_req ($2);
-       }
-       | PARTIAL duration_length       {
-               $$ = new Partial_measure_req ($2->length_mom ());
-               delete $2;
-       }
-       | CLEF STRING {
-               $$ = new Clef_change_req (*$2);
-               delete $2;
+       | KEY DEFAULT {
+               Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
+               $$ = key;
        }
-       | KEY NOTENAME_PITCH optional_modality  {
-               Key_change_req *key_p= new Key_change_req;
-               key_p->key_.pitch_arr_.push (*$2);
-               key_p->key_.ordinary_key_b_ = true;
-               key_p->key_.modality_i_ = $3;
-               $$ = key_p;
-               delete $2;
-       }
-       | KEYSIGNATURE pitch_list {
-               Key_change_req *key_p= new Key_change_req;
-               key_p->key_.pitch_arr_ = *$2;
-               key_p->key_.ordinary_key_b_ = false;
-               $$ = key_p;
-               delete $2;
+       | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
+               Music *key= MY_MAKE_MUSIC("KeyChangeEvent");
+               
+               key->set_mus_property ("pitch-alist", $3);
+               ((Music*)key)->transpose (* unsmob_pitch ($2));
+               $$ = 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_request:
-       verbose_request
-       | request_with_dir
-       | close_request
+post_event:
+       verbose_event
+       | event_with_dir
+       | close_event
+       | string_event
        ;
 
-
-request_that_take_dir:
-       gen_text_def
-       | verbose_request
-       | script_abbreviation {
-               Identifier*i = THIS->lexer_p_->lookup_identifier ("dash-" + *$1);
-               Articulation_req *a = new Articulation_req;
-               a->articulation_str_ = *i->access_content_String (false);
-               delete $1;
-               $$ = a;
+string_event:
+       E_UNSIGNED {
+               Music * s = MY_MAKE_MUSIC("StringNumberEvent");
+               s->set_mus_property ("string-number",  gh_int2scm($1));
+               s->set_spot (THIS->here_input ());
+               $$ = s;
        }
        ;
 
-request_with_dir:
-       script_dir request_that_take_dir        {
-               if (Script_req * gs = dynamic_cast<Script_req*> ($2))
-                       gs->dir_ = Direction ($1);
-               else if ($1)
-                       $2->warning ("Can't specify direction for this request");
-               $$ = $2;
+
+event_that_take_dir:
+       gen_text_def
+       | verbose_event
+       | close_event
+       | open_event
+       | '['  {
+               Music * m = MY_MAKE_MUSIC ("NewBeamEvent");
+               m->set_spot (THIS->here_input());
+               m->set_mus_property ("span-direction" , gh_int2scm (START));
+               $$ = m;
        }
-       ;
-       
-verbose_request:
-       REQUEST_IDENTIFIER      {
-               $$ = (Request*)$1->access_content_Request (true);
-               $$->set_spot (THIS->here_input ());
+       | ']'  {
+               Music * m = MY_MAKE_MUSIC ("NewBeamEvent");
+               m->set_spot (THIS->here_input());
+               m->set_mus_property ("span-direction" , gh_int2scm (STOP));
+               $$ = m;
        }
-       | TEXTSCRIPT STRING STRING      {
-               Text_script_req *ts_p = new Text_script_req;
-               ts_p-> text_str_ = *$2;
-               ts_p-> style_str_ = *$3;
-               ts_p->set_spot (THIS->here_input ());
-               delete $3;
-               delete $2;
-               $$ = ts_p;
-       }
-       | SPANREQUEST int STRING {
-               Span_req * sp_p = new Span_req;
-               sp_p-> span_dir_  = Direction($2);
-               sp_p->span_type_str_ = *$3;
-               sp_p->set_spot (THIS->here_input ());
-               $$ = sp_p;
-       }
-       | abbrev_type   {
-               Tremolo_req* a = new Tremolo_req;
-               a->set_spot (THIS->here_input ());
-               a->type_i_ = $1;
-               $$ = a;
+       | '~' {
+               Music * m = MY_MAKE_MUSIC ("NewTieEvent");
+               m->set_spot (THIS->here_input());
+               $$ = m;
        }
-       | SCRIPT STRING         { 
-               Articulation_req * a = new Articulation_req;
-               a->articulation_str_ = *$2;
-               a->set_spot (THIS->here_input ());
+       | script_abbreviation {
+               SCM s = THIS->lexer_->lookup_identifier ("dash" + ly_scm2string ($1));
+               Music *a = MY_MAKE_MUSIC("ArticulationEvent");
+               if (gh_string_p (s))
+                       a->set_mus_property ("articulation-type", s);
+               else THIS->parser_error (_ ("Expecting string as script definition"));
                $$ = a;
-               delete $2;
        }
        ;
 
-optional_modality:
-       /* empty */     {
-               $$ = 0;
+event_with_dir:
+       script_dir event_that_take_dir  {
+               $2->set_mus_property ("direction", gh_int2scm ($1));
+               $$ = $2;
        }
-       | int   {
-               $$ = $1;
+       ;
+       
+verbose_event:
+       EVENT_IDENTIFIER        {
+               $$ = unsmob_music ($1);
        }
+       | tremolo_type  {
+               Music * a = MY_MAKE_MUSIC("TremoloEvent");
+               a->set_spot (THIS->here_input ());
+               a->set_mus_property ("tremolo-type", gh_int2scm ($1));
+               $$ = a;
+        }
        ;
 
 sup_quotes:
@@ -1098,434 +1507,667 @@ sub_quotes:
        }
        ;
 
-steno_musical_pitch:
+steno_pitch:
        NOTENAME_PITCH  {
                $$ = $1;
        }
        | NOTENAME_PITCH sup_quotes     {
-               $$ = $1;
-               $$->octave_i_ +=  $2;
+               Pitch p = *unsmob_pitch ($1);
+               p.octave_ +=  $2;
+               $$ = p.smobbed_copy ();
        }
        | NOTENAME_PITCH sub_quotes      {
-               $$ = $1;
-               $$->octave_i_ += - $2;
+               Pitch p =* unsmob_pitch ($1);
+
+               p.octave_ +=  -$2;
+               $$ = p.smobbed_copy ();
+
        }
        ;
 
+/*
+ugh. duplication
+*/
+
 steno_tonic_pitch:
        TONICNAME_PITCH {
                $$ = $1;
        }
        | TONICNAME_PITCH sup_quotes    {
-               $$ = $1;
-               $$->octave_i_ +=  $2;
+               Pitch p = *unsmob_pitch ($1);
+               p.octave_ +=  $2;
+               $$ = p.smobbed_copy ();
        }
        | TONICNAME_PITCH sub_quotes     {
-               $$ = $1;
-               $$->octave_i_ += - $2;
-       }
-       ;
+               Pitch p =* unsmob_pitch ($1);
+
+               p.octave_ +=  -$2;
+               $$ = p.smobbed_copy ();
 
-explicit_musical_pitch:
-       MUSICAL_PITCH '{' int_list '}'  {/* ugh */
-               Array<int> &a = *$3;
-               ARRAY_SIZE(a,3);
-               $$ = new Musical_pitch;
-               $$->octave_i_ = a[0];
-               $$->notename_i_ = a[1];
-               $$->accidental_i_ = a[2];
-               delete &a;
        }
        ;
 
-musical_pitch:
-       steno_musical_pitch {
+pitch:
+       steno_pitch {
                $$ = $1;
-               THIS->set_last_pitch ($1);
        }
-       | explicit_musical_pitch {
+       | explicit_pitch {
                $$ = $1;
-               THIS->set_last_pitch ($1);
        }
        ;
 
-explicit_duration:
-       DURATION '{' int_list '}'       {
-               $$ = new Duration;
-               Array<int> &a = *$3;
-               ARRAY_SIZE(a,2);
-                       
-               $$-> durlog_i_ = a[0];
-               $$-> dots_i_ = a[1];
+pitch_also_in_chords:
+       pitch
+       | steno_tonic_pitch
+       ;
 
-               delete &a;              
+explicit_pitch:
+       PITCH embedded_scm {
+               $$ = $2;
+               if (!unsmob_pitch ($2)) {
+                       THIS->parser_error (_f ("Expecting musical-pitch value", 3));
+                        $$ = Pitch ().smobbed_copy ();
+               }
+       }
+       ;
+
+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_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
-               $$ = new Extender_req;
+               if (!THIS->lexer_->lyric_state_b ())
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+               $$ = MY_MAKE_MUSIC("ExtenderEvent");
        }
        ;
 
 hyphen_req:
        HYPHEN {
-               if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
-               $$ = new Hyphen_req;
+               if (!THIS->lexer_->lyric_state_b ())
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+               $$ = MY_MAKE_MUSIC("HyphenEvent");
        }
        ;
 
-close_request:
-       close_request_parens {
+close_event:
+       close_event_parens {
                $$ = $1;
-               dynamic_cast<Span_req*> ($$)->span_dir_ = START;
+               dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (START))
+;
        }
-       
-close_request_parens:
+       ;
+close_event_parens:
        '('     {
-               Span_req* s= new Span_req;
+               Music * s= MY_MAKE_MUSIC("SlurEvent");
+               $$ = s;
+               s->set_spot (THIS->here_input());
+       }
+       | E_OPEN        {
+               Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
                $$ = s;
-               s->span_type_str_ = "slur";
+               s->set_spot (THIS->here_input());
        }
        | E_SMALLER {
-               Span_req*s =new Span_req;
+               Music *s =MY_MAKE_MUSIC("CrescendoEvent");
                $$ = s;
-               s->span_type_str_ = "crescendo";
+               s->set_spot (THIS->here_input());
        }
        | E_BIGGER {
-               Span_req*s =new Span_req;
+               Music *s =MY_MAKE_MUSIC("DecrescendoEvent");
                $$ = s;
-               s->span_type_str_ = "decrescendo";
+               s->set_spot (THIS->here_input());
        }
        ;
 
 
-open_request:
-       open_request_parens {
+open_event:
+       open_event_parens {
                $$ = $1;
-               dynamic_cast<Span_req*> ($$)->span_dir_ = STOP;
+               dynamic_cast<Music *> ($$)->set_mus_property ("span-direction", gh_int2scm (STOP))
+;
        }
        ;
 
-open_request_parens:
+open_event_parens:
        E_EXCLAMATION   {
-               Span_req *s =  new Span_req;
-               s->span_type_str_ = "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->span_type_str_ = "slur";
+               s->set_spot (THIS->here_input());
+
+       }
+       | E_CLOSE       {
+               Music * s= MY_MAKE_MUSIC("PhrasingSlurEvent");
+               $$ = s;
+               s->set_mus_property ("span-type", scm_makfrom0str ( "phrasing-slur"));
+               s->set_spot (THIS->here_input());
        }
        ;
 
 gen_text_def:
-       string {
-               Text_script_req *t  = new Text_script_req;
+       embedded_scm {
+               Music *t = MY_MAKE_MUSIC("TextScriptEvent");
+               t->set_mus_property ("text", $1);
+               t->set_spot (THIS->here_input ());
                $$ = t;
-               t->text_str_ = *$1;
-               delete $1;
-               $$->set_spot (THIS->here_input ());
+       }
+       | full_markup {
+               Music *t = MY_MAKE_MUSIC("TextScriptEvent");
+               t->set_mus_property ("text", $1);
+               t->set_spot (THIS->here_input ());
+               $$ = t; 
+       }
+       | string {
+               Music *t = MY_MAKE_MUSIC("TextScriptEvent");
+               t->set_mus_property ("text", make_simple_markup ($1));
+               t->set_spot (THIS->here_input ());
+               $$ = t;
+       
        }
        | DIGIT {
-               Text_script_req* t  = new Text_script_req;
+               Music * t = MY_MAKE_MUSIC("FingerEvent");
+               t->set_mus_property ("digit",  gh_int2scm ($1));
+               t->set_spot (THIS->here_input ());
                $$ = t;
-               t->text_str_ = to_str ($1);
-               t->style_str_ = "finger";
-               $$->set_spot (THIS->here_input ());
        }
        ;
 
 script_abbreviation:
        '^'             {
-               $$ = new String ("hat");
+               $$ = scm_makfrom0str ("Hat");
        }
        | '+'           {
-               $$ = new String ("plus");
+               $$ = scm_makfrom0str ("Plus");
        }
        | '-'           {
-               $$ = new String ("dash");
+               $$ = scm_makfrom0str ("Dash");
        }
        | '|'           {
-               $$ = new String ("bar");
+               $$ = scm_makfrom0str ("Bar");
        }
        | '>'           {
-               $$ = new String ("larger");
+               $$ = scm_makfrom0str ("Larger");
        }
        | '.'           {
-               $$ = new String ("dot");
+               $$ = scm_makfrom0str ("Dot");
+       }
+       | '_' {
+               $$ = scm_makfrom0str ("Underscore");
        }
        ;
 
-
 script_dir:
        '_'     { $$ = DOWN; }
        | '^'   { $$ = UP; }
        | '-'   { $$ = CENTER; }
        ;
 
-pre_requests:
-       {
-               $$ = new Link_array<Request>;
+pre_events:
+       /* empty */ { 
+               $$ = SCM_EOL;
        }
-       | pre_requests open_request {
-               $$->push ($2);
+       | pre_events open_event {
+               $$ = gh_cons ($2->self_scm(), $$);
+               scm_gc_unprotect_object ($2->self_scm());
        }
        ;
 
-absolute_musical_pitch:
-       steno_musical_pitch     {
+absolute_pitch:
+       steno_pitch     {
                $$ = $1;
        }
        ;
 
 duration_length:
-       steno_duration {
+       multiplied_duration {
                $$ = $1;
        }
-       | duration_length '*' unsigned {
-               $$->plet_.iso_i_ *= $3;
-       }
-       | duration_length '/' unsigned {
-               $$->plet_.type_i_ *= $3;
-       }
-       ;
-
-entered_notemode_duration:
-       steno_duration  {
-               THIS->set_last_duration ($1);
-       }
+       | verbose_duration {
+               $$ = $1;
+       }       
        ;
 
 optional_notemode_duration:
        {
-               $$ = new Duration (THIS->default_duration_);
+               Duration dd = THIS->default_duration_;
+               $$ = dd.smobbed_copy ();
+
+               THIS->beam_check ($$);
        }
-       | entered_notemode_duration {
+       | multiplied_duration   {
                $$ = $1;
+               THIS->default_duration_ = *unsmob_duration ($$);
+
+               THIS->beam_check ($$);
        }
+       | verbose_duration {
+               $$ = $1;
+               THIS->default_duration_ = *unsmob_duration ($$);
+       }       
        ;
 
 steno_duration:
-       unsigned                {
-               $$ = new Duration;
-               if (!Duration::duration_type_b ($1))
+       bare_unsigned dots              {
+               int l = 0;
+               if (!is_duration_b ($1))
                        THIS->parser_error (_f ("not a duration: %d", $1));
-               else {
-                       $$->durlog_i_ = Duration_convert::i2_type ($1);
-                    }
+               else
+                       l =  intlog2 ($1);
+
+               $$ = Duration (l, $2).smobbed_copy ();
        }
-       | DURATION_IDENTIFIER   {
-               $$ = $1->access_content_Duration (true);
+       | DURATION_IDENTIFIER dots      {
+               Duration *d =unsmob_duration ($1);
+               Duration k (d->duration_log (),d->dot_count () + $2);
+
+               *d = k;
+               $$ = $1;
        }
-       | steno_duration '.'    {
-               $$->dots_i_ ++;
+       ;
+
+
+
+
+multiplied_duration:
+       steno_duration {
+               $$ = $1;
+       }
+       | multiplied_duration '*' bare_unsigned {
+               $$ = unsmob_duration ($$)->compressed ( $3) .smobbed_copy ();
+       }
+       | multiplied_duration '*' FRACTION {
+               Rational  m (gh_scm2int (ly_car ($3)), gh_scm2int (ly_cdr ($3)));
+
+               $$ = unsmob_duration ($$)->compressed (m).smobbed_copy ();
+       }
+       ;
+
+fraction:
+       FRACTION { $$ = $1; }
+       | UNSIGNED '/' UNSIGNED {
+               $$ = scm_cons (gh_int2scm ($1), gh_int2scm ($3));
+       }
+       ;
+
+dots:
+       /* empty */     {
+               $$ = 0;
+       }
+       | dots '.' {
+               $$ ++;
        }
        ;
 
 
-abbrev_type: 
+tremolo_type: 
        ':'     {
                $$ =0;
        }
-       | ':' unsigned {
-               if (!Duration::duration_type_b ($2))
+       | ':' bare_unsigned {
+               if (!is_duration_b ($2))
                        THIS->parser_error (_f ("not a duration: %d", $2));
-               else if ($2 < 8)
-                       THIS->parser_error (_ ("can't abbreviate"));
                $$ = $2;
        }
        ;
 
 
+
+/*****************************************************************
+               BASS FIGURES
+*****************************************************************/
+bass_number:
+       DIGIT
+       | UNSIGNED 
+       ;
+
+bass_mod:
+       '-'     { $$ = -1; }
+       | '+'   { $$ = 1; } 
+       | '!'   { $$ = 0; }
+       ;
+
+bass_figure:
+       FIGURE_SPACE {
+               Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
+               $$ = bfr->self_scm();
+               scm_gc_unprotect_object ($$);
+       }
+       | bass_number  {
+               Music *bfr = MY_MAKE_MUSIC("BassFigureEvent");
+               $$ = bfr->self_scm();
+
+               bfr->set_mus_property ("figure", gh_int2scm ($1));
+
+               scm_gc_unprotect_object ($$);
+       }
+       | bass_figure bass_mod {
+               Music *m = unsmob_music ($1);
+               if ($2) {
+                       SCM salter =m->get_mus_property ("alteration");
+                       int alter = gh_number_p ( salter) ? gh_scm2int (salter) : 0;
+                       m->set_mus_property ("alteration",
+                               gh_int2scm (alter + $2));
+               } else {
+                       m->set_mus_property ("alteration", gh_int2scm (0));
+               }
+       }
+       ;
+
+br_bass_figure:
+       '[' bass_figure {
+               $$ = $2;
+               unsmob_music ($$)->set_mus_property ("bracket-start", SCM_BOOL_T);
+       }
+       | bass_figure   {
+               $$ = $1;
+       }
+       | br_bass_figure ']' {
+               $$ = $1;
+               unsmob_music ($1)->set_mus_property ("bracket-stop", SCM_BOOL_T);
+       }
+       ;
+
+figure_list:
+       /**/            {
+               $$ = SCM_EOL;
+       }
+       | figure_list br_bass_figure {
+               $$ = scm_cons ($2, $1); 
+       }
+       ;
+
+figure_spec:
+       FIGURE_OPEN figure_list FIGURE_CLOSE {
+               Music * m = MY_MAKE_MUSIC("EventChord");
+               $2 = scm_reverse_x ($2, SCM_EOL);
+               m->set_mus_property ("elements",  $2);
+               $$ = m->self_scm ();
+       }
+       ;
+
+
+optional_rest:
+       /**/   { $$ = 0; }
+       | REST { $$ = 1; }
+       ;
+
 simple_element:
-       musical_pitch exclamations questions optional_notemode_duration {
-               if (!THIS->lexer_p_->note_state_b ())
-                       THIS->parser_error (_ ("have to be in Note mode for notes"));
+       pitch exclamations questions optional_notemode_duration optional_rest {
 
+               Input i = THIS->pop_spot ();
+               if (!THIS->lexer_->note_state_b ())
+                       THIS->parser_error (_ ("Have to be in Note mode for notes"));
 
-               Note_req *n = new Note_req;
+               Music *n = 0;
+               if ($5)
+                       n =  MY_MAKE_MUSIC("RestEvent");
+               else
+                       n =  MY_MAKE_MUSIC("NoteEvent");
                
-               n->pitch_ = *$1;
-               delete $1;
-               n->duration_ = *$4;
-               delete $4;
-               n->cautionary_b_ = $3 % 2;
-               n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
+               n->set_mus_property ("pitch", $1);
+               n->set_mus_property ("duration", $4);
 
-               Simultaneous_music*v = new Request_chord;
-               v->set_spot (THIS->here_input ());
-               n->set_spot (THIS->here_input ());
 
-               v->add_music (n);
+               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);
 
+               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);
                $$ = v;
        }
-       | RESTNAME optional_notemode_duration           {
-               $$ = THIS->get_rest_element (*$1, $2);
-               delete $1;  // delete notename
-       }
-       | MEASURES optional_notemode_duration   {
-               Multi_measure_rest_req* m = new Multi_measure_rest_req;
-               m->duration_ = *$2;
-               delete $2;
+       | figure_spec optional_notemode_duration {
+               Music * m = unsmob_music ($1);
+               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);
+               }
+               $$ = m;
+       }       
+       | RESTNAME optional_notemode_duration           {
+
+               Input i = THIS->pop_spot ();
+               Music * ev = 0;
+               if (ly_scm2string ($1) =="s") {
+                       /* Space */
+                       ev = MY_MAKE_MUSIC("SkipEvent");
+                 }
+               else {
+                       ev = MY_MAKE_MUSIC("RestEvent");
+               
+                   }
+               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);
 
-               Simultaneous_music*velt_p = new Request_chord;
-               velt_p->set_spot (THIS->here_input ());
-               velt_p->add_music (m);
-               $$ = velt_p;
+               $$ = velt;
        }
-       | REPETITIONS optional_notemode_duration        {
-               Repetitions_req* r = new Repetitions_req;
-               r->duration_ = *$2;
-               delete $2;
+       | MULTI_MEASURE_REST optional_notemode_duration         {
+               THIS->pop_spot ();
 
-               Simultaneous_music*velt_p = new Request_chord;
-               velt_p->set_spot (THIS->here_input ());
-               velt_p->add_music (r);
-               $$ = velt_p;
+               static SCM proc ;
+               if (!proc)
+                       proc = scm_c_eval_string ("make-multi-measure-rest");
+
+               SCM mus = scm_call_2 (proc, $2,
+                       make_input (THIS->here_input()));       
+               scm_gc_protect_object (mus);
+               $$ = unsmob_music (mus);
        }
        | STRING optional_notemode_duration     {
-               if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
-               $$ = THIS->get_word_element (*$1, $2);
-               delete $1;
+               Input i = THIS->pop_spot ();
+
+               Music * lreq = MY_MAKE_MUSIC("LyricEvent");
+                lreq->set_mus_property ("text", $1);
+               lreq->set_mus_property ("duration",$2);
+               lreq->set_spot (i);
+               Music * velt = MY_MAKE_MUSIC("EventChord");
+               velt->set_mus_property ("elements", scm_list_n (lreq->self_scm (), SCM_UNDEFINED));
+
+               $$= velt;
        }
        | chord {
-               if (!THIS->lexer_p_->chord_state_b ())
-                       THIS->parser_error (_ ("have to be in Chord mode for chords"));
+               THIS->pop_spot ();
+
+               if (!THIS->lexer_->chord_state_b ())
+                       THIS->parser_error (_ ("Have to be in Chord mode for chords"));
                $$ = $1;
        }
        ;
 
+
 chord:
-       steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion {
-                $$ = THIS->get_chord (*$1, $3, $4, $5, *$2);
+       steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
+                $$ = Chord::get_chord ($1, $3, $4, $5, $6, $2);
+               $$->set_spot (THIS->here_input ());
         };
 
 chord_additions: 
        {
-               $$ = new Array<Musical_pitch>;
+               $$ = SCM_EOL;
        } 
-       | '-' chord_notes {
+       | CHORD_COLON chord_notes {
                $$ = $2;
        }
        ;
 
 chord_notes:
        chord_step {
-               $$ = $1
+               $$ = $1;
        }
        | chord_notes '.' chord_step {
-               $$ = $1;
-               $$->concat (*$3);
+               $$ = gh_append2 ($$, $3);
        }
        ;
 
 chord_subtractions: 
        {
-               $$ = new Array<Musical_pitch>;
+               $$ = SCM_EOL;
        } 
-       | '^' chord_notes {
+       | CHORD_CARET chord_notes {
                $$ = $2;
        }
        ;
 
 
-/*
-       forevery : X : optional_X sucks. Devise  a solution.
-*/
-
 chord_inversion:
        {
-               $$ = 0;
+               $$ = SCM_EOL;
+       }
+       | CHORD_SLASH steno_tonic_pitch {
+               $$ = $2;
+       }
+       ;
+
+chord_bass:
+       {
+               $$ = SCM_EOL;
        }
-       | '/' steno_tonic_pitch {
-               $$ = $2
+       | CHORD_BASS steno_tonic_pitch {
+               $$ = $2;
        }
        ;
 
 chord_step:
        chord_note {
-               $$ = new Array<Musical_pitch>;
-               $$->push (*$1);
+               $$ = scm_cons ($1, SCM_EOL);
        }
        | CHORDMODIFIER_PITCH {
-               $$ = new Array<Musical_pitch>;
-               $$->push (*$1);
+               $$ = scm_cons (unsmob_pitch ($1)->smobbed_copy (), SCM_EOL);
        }
-       | CHORDMODIFIER_PITCH chord_note {
-               $$ = new Array<Musical_pitch>;
-               $$->push (*$1);
-               $$->push (*$2);
+       | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
+               $$ = scm_list_n (unsmob_pitch ($1)->smobbed_copy (),
+                       $2, SCM_UNDEFINED);
        }
        ;
 
 chord_note:
-       unsigned {
-               $$ = new Musical_pitch;
-               $$->notename_i_ = ($1 - 1) % 7;
-               $$->octave_i_ = $1 > 7 ? 1 : 0;
-               $$->accidental_i_ = 0;
+       bare_unsigned {
+                Pitch m;
+               m.notename_ = ($1 - 1) % 7;
+               m.octave_ = $1 > 7 ? 1 : 0;
+               m.alteration_ = 0;
+
+               $$ = m.smobbed_copy ();
         } 
-       | unsigned '+' {
-               $$ = new Musical_pitch;
-               $$->notename_i_ = ($1 - 1) % 7;
-               $$->octave_i_ = $1 > 7 ? 1 : 0;
-               $$->accidental_i_ = 1;
-       }
-       | unsigned '-' {
-               $$ = new Musical_pitch;
-               $$->notename_i_ = ($1 - 1) % 7;
-               $$->octave_i_ = $1 > 7 ? 1 : 0;
-               $$->accidental_i_ = -1;
+       | bare_unsigned '+' {
+               Pitch m;
+               m.notename_ = ($1 - 1) % 7;
+               m.octave_ = $1 > 7 ? 1 : 0;
+               m.alteration_ = 1;
+
+
+               $$ = m.smobbed_copy ();
+       }
+       | bare_unsigned CHORD_MINUS {
+               Pitch m;
+               m.notename_ = ($1 - 1) % 7;
+               m.octave_ = $1 > 7 ? 1 : 0;
+               m.alteration_ = -1;
+
+               $$ = m.smobbed_copy ();
        }
         ;
 
 /*
        UTILITIES
  */
-pitch_list:                    {
-               $$ = new Array<Musical_pitch>;
+number_expression:
+       number_expression '+' number_term {
+               $$ = scm_sum ($1, $3);
        }
-       | pitch_list musical_pitch      {
-               $$->push (*$2);
-               delete $2;
+       | number_expression '-' number_term {
+               $$ = scm_difference ($1, $3);
        }
+       | number_term 
        ;
 
-
-int_list:
-       /**/                    {
-               $$ = new Array<int>
+number_term:
+       number_factor {
+               $$ = $1;
        }
-       | int_list int          {
-               $$->push ($2);          
+       | number_factor '*' number_factor {
+               $$ = scm_product ($1, $3);
+       }
+       | number_factor '/' number_factor {
+               $$ = scm_divide ($1, $3);
        }
        ;
 
-unsigned:
+number_factor:
+       '-'  number_factor { /* %prec UNARY_MINUS */
+               $$ = scm_difference ($2, SCM_UNDEFINED);
+       }
+       | bare_number
+       ;
+
+
+bare_number:
        UNSIGNED        {
+               $$ = gh_int2scm ($1);
+       }
+       | REAL          {
                $$ = $1;
        }
-       | DIGIT         {
+       | NUMBER_IDENTIFIER             {
                $$ = $1;
        }
+       | REAL NUMBER_IDENTIFIER        {
+               $$ = gh_double2scm (gh_scm2double ($1) * gh_scm2double ($2));
+       }
+       | UNSIGNED NUMBER_IDENTIFIER    {
+               $$ = gh_double2scm ($1 * gh_scm2double ($2));
+       }
        ;
 
-int:
-       unsigned {
+
+bare_unsigned:
+       UNSIGNED {
+                       $$ = $1;
+       }
+       | DIGIT {
                $$ = $1;
        }
-       | '-' unsigned {
-               $$ = -$2;
+       ;
+
+bare_int:
+       bare_number {
+               if (scm_integer_p ($1) == SCM_BOOL_T)
+               {
+                       int k = gh_scm2int ($1);
+                       $$ = k;
+               } else
+               {
+                       THIS->parser_error (_ ("need integer number arg"));
+                       $$ = 0;
+               }
        }
-       | INT_IDENTIFIER        {
-               $$ = *$1->access_content_int (false);
+       | '-' bare_int {
+               $$ = -$2;
        }
        ;
 
@@ -1535,11 +2177,10 @@ string:
                $$ = $1;
        }
        | STRING_IDENTIFIER     {
-               $$ = $1->access_content_String (true);
+               $$ = $1;
        }
        | string '+' string {
-               *$$ += *$3;
-               delete $3;
+               $$ = scm_string_append (scm_list_n ($1, $3, SCM_UNDEFINED));
        }
        ;
 
@@ -1555,22 +2196,163 @@ questions:
        ;
 
 
-semicolon:
-       ';'
+
+full_markup:
+       MARKUP_IDENTIFIER {
+               $$ = $1;
+       }
+       | MARKUP 
+               { THIS->lexer_->push_markup_state (); }
+       markup
+               { $$ = $3;
+                 THIS->lexer_->pop_state ();
+               }
+       ;
+       
+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_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 b)
+My_lily_parser::set_yydebug (bool )
 {
-#ifdef YYDEBUG
-       yydebug = b;
+#if 0
+       yydebug = 1;
 #endif
 }
+
+extern My_lily_parser * current_parser;
+
 void
 My_lily_parser::do_yyparse ()
 {
+       current_parser = this;;
        yyparse ((void*)this);
 }
 
 
+/*
+Should make this optional?    It will also complain when you do
+
+       [s4]
+
+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)
+{
+  Duration *d = unsmob_duration (dur);
+  if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
+    {
+      Music * m = unsmob_music (last_beam_start_);
+      m->origin ()->warning (_("Suspect duration found following this beam"));
+    }
+  last_beam_start_ = SCM_EOL;
+}
+
+
+
+bool
+markup_p (SCM x)
+{
+       return gh_pair_p (x)
+               && SCM_BOOL_F != scm_object_property (gh_car (x), ly_symbol2scm ("markup-signature"));
+}
+/*
+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 (new_markup_p (sid)) {
+               *destination = sid;
+               return MARKUP_IDENTIFIER;
+       }
+
+       return -1;      
+}