]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
release: 1.3.74
[lilypond.git] / lily / parser.yy
index 682365234a520580fa83af587034274774192195..5c4632ac7227f192e5c9415944f9072a60792b34 100644 (file)
@@ -5,14 +5,12 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
            Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include <iostream.h>
 #include "lily-guile.hh"
-#include "notename-table.hh"
-#include "scalar.hh"
 #include "translation-property.hh"
 #include "lookup.hh"
 #include "misc.hh"
@@ -21,7 +19,6 @@
 #include "midi-def.hh"
 #include "main.hh"
 #include "file-path.hh"
-#include "keyword.hh"
 #include "debug.hh"
 #include "dimensions.hh"
 #include "identifier.hh"
@@ -32,9 +29,9 @@
 #include "translator-group.hh"
 #include "score.hh"
 #include "music-list.hh"
-#include "duration-convert.hh"
 #include "change-translator.hh"
 #include "file-results.hh"
+#include "input.hh"
 #include "scope.hh"
 #include "relative-music.hh"
 #include "lyric-combine-music.hh"
 #include "repeated-music.hh"
 #include "mudela-version.hh"
 #include "grace-music.hh"
+#include "auto-change-music.hh"
+#include "output-property.hh"
 
-// mmm
-Mudela_version oldest_version ("1.1.52");
+bool
+is_duration_b (int t)
+{
+  return t && t == 1 << intlog2(t);
+}
 
 
+// mmm JUNKME ?
+Mudela_version oldest_version ("1.3.59");
 
 void
 print_mudela_versions (ostream &os)
 {
-  os << "Oldest supported input version:   " << oldest_version.str () << endl;
+  os << _f ("Oldest supported input version: %s", oldest_version.str ()) 
+    << endl;
 }
+
+
 // needed for bison.simple's malloc() and free()
 #include <malloc.h>
 
@@ -68,22 +75,18 @@ print_mudela_versions (ostream &os)
 #define THIS ((My_lily_parser *) my_lily_parser_l)
 
 #define yyerror THIS->parser_error
-#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f("expecting %d arguments", s))
+#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
 
 %}
 
 
 %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;
@@ -92,18 +95,18 @@ print_mudela_versions (ostream &os)
     Musical_pitch * pitch;
     Midi_def* midi;
     Moment *moment;
-    Notename_table *notenametab;
-    Paper_def *paper;
     Real real;
     Request * request;
-    Scalar *scalar;
 
-    String *string;
+    /* 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. */
+
+    SCM scm;
+
     Tempo_req *tempo;
-    Translator* trans;
-    char c;
+    Translator_group* trans;
     int i;
-    int ii[10];
 }
 %{
 
@@ -123,16 +126,15 @@ yylex (YYSTYPE *s,  void * v_l)
 %pure_parser
 
 /* tokens which are not keywords */
-
+%token AUTOCHANGE
 %token TEXTSCRIPT
 %token ACCEPTS
 %token ALTERNATIVE
 %token BAR
 %token BREATHE
-%token CADENZA
 %token CHORDMODIFIERS
 %token CHORDS
-%token HYPHEN
+%token CHAR_T
 %token CLEF
 %token CM_T
 %token CONSISTS
@@ -144,10 +146,10 @@ yylex (YYSTYPE *s,  void * v_l)
 %token FONT
 %token GRACE
 %token HEADER
+%token HYPHEN
 %token IN_T
 %token INVALID
 %token KEY
-%token KEYSIGNATURE
 %token LYRICS
 %token MARK
 %token MEASURES
@@ -165,26 +167,25 @@ yylex (YYSTYPE *s,  void * v_l)
 %token RELATIVE
 %token REMOVE
 %token REPEAT
-%token REPETITIONS
 %token ADDLYRICS
 %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 CONTEXT
-%token VERSION
 
 /* escaped */
-%token E_EXCLAMATION E_SMALLER E_BIGGER E_CHAR CHORD_MINUS CHORD_CARET 
+%token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER 
+%token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET 
 
 %type <i>      exclamations questions
 %token <i>     DIGIT
@@ -193,21 +194,20 @@ yylex (YYSTYPE *s,  void * v_l)
 %token <pitch> CHORDMODIFIER_PITCH
 %token <id>    DURATION_IDENTIFIER
 %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 <id>    MUSIC_OUTPUT_DEF_IDENTIFIER
+
+%token <scm>   NUMBER_IDENTIFIER
+%token <scm>   REQUEST_IDENTIFIER
+%token <scm>   MUSIC_IDENTIFIER
+%token <scm>   STRING_IDENTIFIER SCM_IDENTIFIER 
+%token <scm>   DURATION RESTNAME
+%token <scm>   STRING 
+%token <scm>   SCM_T
 %token <i>     UNSIGNED
-
+%token <real>   REAL
 
 %type <outputdef> output_def
 %type <scope>  mudela_header mudela_header_body
@@ -216,46 +216,43 @@ yylex (YYSTYPE *s,  void * v_l)
 %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 <i>      tremolo_type
+%type <i>      bare_int  bare_unsigned
 %type <i>      script_dir
-%type <i>      optional_modality
-%type <id>     identifier_init  
+
+%type <scm>    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_musical_pitch musical_pitch absolute_musical_pitch
 %type <pitch>   steno_tonic_pitch
 
-%type <pitch_arr>      pitch_list
-%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 <music>  chord
+%type <pitch>  chord_note chord_inversion chord_bass
 %type <duration>       duration_length
 
-%type <scalar>  scalar
+%type <scm>  embedded_scm 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 <scm> Music_list
+%type <outputdef>  music_output_def_body
+%type <request> shorthand_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>    string bare_number number_expression
 %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> notenames_body notenames_block chordmodifiers_block
+%type <scm>    script_abbreviation
 
 
 
@@ -276,10 +273,10 @@ mudela:   /* empty */
 
 toplevel_expression:
        notenames_block                 {
-               THIS->lexer_p_->set_notename_table ($1);
+               THIS->lexer_p_->pitchname_tab_ =  $1;
        }
        | chordmodifiers_block                  {
-               THIS->lexer_p_->set_chordmodifier_table ($1);
+               THIS->lexer_p_->chordmodifier_tab_  = $1;
        }
        | mudela_header {
                delete header_global_p;
@@ -288,56 +285,49 @@ toplevel_expression:
        | score_block {
                score_global_array.push ($1);
        }
-       | paper_block {
+       | output_def {
                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 { 
+                       Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER);
+               if (dynamic_cast<Paper_def*> ($1))
+                       THIS->lexer_p_->set_identifier ("$defaultpaper", id->self_scm ());
+               else if (dynamic_cast<Midi_def*> ($1))
+                       THIS->lexer_p_->set_identifier ("$defaultmidi", id->self_scm ());
        }
+       | embedded_scm {
+               // junk value
+       }       
        ;
 
 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 '}'  {  $$ = $3; }
+       NOTENAMES notenames_body   {  $$ = $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; s != SCM_EOL; s = gh_cdr (s)) {
+               SCM pt = gh_cdar (s);
+               if (scm_ilength (pt) != 3)
+                       THIS->parser_error ("Need three args");
+               scm_hashq_set_x (tab, gh_caar(s), pt);
+         }
+
+         $$ = tab;
        }
        ;
 
@@ -367,9 +357,20 @@ assignment:
                THIS->remember_spot ();
        }
        /* cont */ '=' identifier_init  {
-           THIS->lexer_p_->set_identifier (*$1, $4);
-           $4->init_b_ = THIS->init_parse_b_;
-           $4->set_spot (THIS->pop_spot ());
+               THIS->lexer_p_->set_identifier (ly_scm2string ($1), $4);
+
+/*
+ TODO: devise standard for protection in parser.
+               if (SCM_NIMP($4))
+                       scm_unprotect_object ($4);
+
+  The parser stack lives on the C-stack, which means that
+all objects can be unprotected as soon as they're here.
+
+*/
+               Identifier * id =unsmob_identifier ($4);
+               Input spot = THIS->pop_spot ();
+               if (id) id->set_spot (spot);
        }
        ;
 
@@ -377,43 +378,31 @@ assignment:
 
 identifier_init:
        score_block {
-               $$ = new Score_identifier ($1, SCORE_IDENTIFIER);
-
-       }
-       | chordmodifiers_block {
-               $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
-       }
-       | notenames_block {
-               $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
-       }
-       | paper_block {
-               $$ = new Paper_def_identifier ($1, PAPER_IDENTIFIER);
+               $$ = (new Score_identifier ($1, SCORE_IDENTIFIER))->self_scm();
        }
-       | midi_block {
-               $$ = new Midi_def_identifier ($1, MIDI_IDENTIFIER);
-
+       | output_def {
+               $$ = (new Music_output_def_identifier ($1, MUSIC_OUTPUT_DEF_IDENTIFIER))->self_scm();
        }
        | translator_spec_block {
-               $$ = new Translator_identifier ($1, TRANS_IDENTIFIER);
+               $$ = (new Translator_group_identifier ($1, TRANS_IDENTIFIER))->self_scm();
        }
        | Music  {
-               $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
+               $$ = $1->self_scm ();
        }
-
        | post_request {
-               $$ = new Request_identifier ($1, REQUEST_IDENTIFIER);
+               $$ = $1->self_scm ();
        }
        | explicit_duration {
-               $$ = new Duration_identifier ($1, DURATION_IDENTIFIER);
+               $$ = (new Duration_identifier ($1, DURATION_IDENTIFIER))->self_scm ();
        }
-       | real {
-               $$ = 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;
        }
        ;
 
@@ -426,58 +415,50 @@ translator_spec_block:
 
 translator_spec_body:
        TRANS_IDENTIFIER        {
-               $$ = $1->access_content_Translator (true);
+               $$ = $1->access_content_Translator_group (true);
                $$-> set_spot (THIS->here_input ());
        }
        | TYPE STRING semicolon {
-               Translator* t = get_translator_l (*$2);
+               Translator* t = get_translator_l (ly_scm2string ($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 ());
-               $$ = t;
-               delete $2;
+               tg = dynamic_cast<Translator_group*> (t->clone ());
+               tg->set_spot (THIS->here_input ());
+               $$ = tg;
+       }
+       | translator_spec_body STRING '=' embedded_scm                  {
+               Translator_group* tg = $$;
+               tg->set_property (ly_scm2string ($2), $4);
        }
        | 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)
+               SCM v = gh_int2scm (0);
+               if (gh_string_p ($4) || gh_number_p ($4) || gh_boolean_p ($4))
+                       v = $4;
+               else 
                        THIS->parser_error (_("Wrong type for property value"));
 
-               delete $4;
                /* ugh*/
-               Translator_group * tr = dynamic_cast<Translator_group*>($$);
-               tr->set_property (*$2, str);
+               Translator_group* tg = dynamic_cast<Translator_group*> ($$);
+               
+               tg->set_property (ly_scm2string ($2), v);
        }
        | translator_spec_body NAME STRING semicolon {
-               $$->type_str_ = *$3;
-               delete $3;
+               $$->type_str_ = ly_scm2string ($3);
        }
        | translator_spec_body CONSISTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
        }
        | translator_spec_body CONSISTSEND STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
        }
        | translator_spec_body ACCEPTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_acceptor (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), true);
        }
        | translator_spec_body REMOVE STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, false);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), false);
        }
        ;
 
@@ -490,13 +471,22 @@ score_block:
        /*cont*/ '{' score_body '}'     {
                $$ = $4;
                if (!$$->def_p_arr_.size ())
-                       $$->add_output (THIS->default_paper_p ());
+               {
+                 Identifier *id =
+                       unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
+                 $$->add_output (id ? id->access_content_Music_output_def (true) : new Paper_def );
+               }
        }
        ;
 
-score_body:            {
+score_body:
+       Music   {
                $$ = new Score;
+
                $$->set_spot (THIS->here_input ());
+               SCM m = $1->self_scm ();
+//             scm_unprotect_object (m);
+               $$->music_ = m;
        }
        | SCORE_IDENTIFIER {
                $$ = $1->access_content_Score (true);
@@ -504,11 +494,6 @@ score_body:                {
        | score_body mudela_header      {
                $$->header_p_ = $2;
        }
-       | score_body Music      {
-               if ($$->music_p_)
-                       $2->warning (_ ("More than one music block"));  
-               $$->music_p_ = $2;
-       }
        | score_body output_def {
                $$->add_output ($2);
        }
@@ -517,161 +502,77 @@ score_body:              {
        }
        ;
 
-output_def:
-       paper_block {
-               $$ = $1;
-       }
-       |  midi_block           {
-               $$= $1;
-       }
-       ;
-
 
 /*
-       PAPER
+       MIDI
 */
-paper_block:
-       PAPER '{' paper_def_body '}'    { 
-               $$ = $3;
-               THIS-> lexer_p_->scope_l_arr_.pop ();
+output_def:
+       music_output_def_body '}' {
+               $$ = $1;
+               THIS-> lexer_p_-> scope_l_arr_.pop();
        }
        ;
 
+music_output_def_body:
+       MIDI '{'    {
+        Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultmidi"));
 
-paper_def_body:
-       /* empty */                     {
-               Paper_def *p = THIS->default_paper_p ();
+               
+        Midi_def* p =0;
+       if (id)
+               p = dynamic_cast<Midi_def*> (id->access_content_Music_output_def (true));
+       else
+               p = new Midi_def;
+
+        $$ = p;
+        THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
+       }
+       | PAPER '{'     {
+                 Identifier *id = unsmob_identifier (THIS->lexer_p_->lookup_identifier ("$defaultpaper"));
+                 Paper_def *p = 0;
+               if (id)
+                       p = dynamic_cast<Paper_def*> (id->access_content_Music_output_def (true));
+               else
+                       p = new Paper_def;
                THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
                $$ = p;
        }
-       | PAPER_IDENTIFIER      {
-               Paper_def *p = $1->access_content_Paper_def (true);
+       | PAPER '{' MUSIC_OUTPUT_DEF_IDENTIFIER         {
+               Music_output_def *p = $3->access_content_Music_output_def (true);
                THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
                $$ = p;
        }
-       | paper_def_body int '=' FONT STRING            { // ugh, what a syntax
-               Lookup * l = new Lookup;
-               l->font_name_ = *$5;
-               delete $5;
-               $$->set_lookup ($2, l);
+       | MIDI '{' MUSIC_OUTPUT_DEF_IDENTIFIER  {
+               Music_output_def *p = $3->access_content_Music_output_def (true);
+               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
+               $$ = p;
        }
-       | paper_def_body assignment semicolon {
+       | music_output_def_body assignment semicolon {
 
        }
-       | paper_def_body translator_spec_block {
-               $$->assign_translator ($2);
+       | music_output_def_body translator_spec_block   {
+               $$-> assign_translator ($2);
        }
-       | paper_def_body SHAPE real_array  semicolon {
+       | music_output_def_body tempo_request semicolon {
                /*
-                       URG URG.
+                       junk this ? there already is tempo stuff in
+                       music.
                */
-               if ($3->size () % 2)
-                       warning ("Need even number of args for shape array");
-
-               for (int i=0; i < $3->size ();  i+=2)
-               {
-                       Real l = $3->elem (i);
-                       $$->shape_int_a_.push (Interval (l,
-                                                        l + $3->elem (i+1)));
-               }
-               delete $3;
-       }
-       | paper_def_body error {
-
-       }
-       ;
-
-
-
-real_with_dimension:
-       REAL CM_T       {
-               $$ = $1 CM;
-       }
-       | REAL PT_T     {
-               $$ = $1 PT;
-       }
-       | REAL IN_T     {
-               $$ = $1 INCH;
-       }
-       | REAL MM_T     {
-               $$ = $1 MM;
-       }
-       ;
-
-real:
-       REAL            {
-               $$ = $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 {
-               $$->push($3);
-       }
-       ;
-
-/*
-       MIDI
-*/
-midi_block:
-       MIDI
-
-       '{' midi_body '}'       { $$ = $3; }
-       ;
-
-midi_body: /* empty */                 {
-               $$ = THIS->default_midi_p ();
-       }
-       | MIDI_IDENTIFIER       {
-               $$ = $1-> access_content_Midi_def (true);
+               dynamic_cast<Midi_def*> ($$)->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
        }
-       | midi_body assignment semicolon {
-
-       }
-       | midi_body translator_spec_block       {
-               $$-> assign_translator ($2);
-       }
-       | midi_body tempo_request semicolon {
-               $$->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
-               delete $2;
+       | music_output_def_body bare_int '=' FONT STRING                { // ugh, what a syntax
+               SCM sl = Lookup::make_lookup();
+               Lookup * l =unsmob_lookup (sl);
+               l->font_name_ = ly_scm2string ($5);
+               dynamic_cast<Paper_def*> ($$)->set_lookup ($2, sl);
        }
-       | midi_body error {
+       | music_output_def_body error {
 
        }
        ;
 
 tempo_request:
-       TEMPO steno_duration '=' unsigned       {
+       TEMPO steno_duration '=' bare_unsigned  {
                $$ = new Tempo_req;
                $$->dur_ = *$2;
                delete $2;
@@ -680,11 +581,19 @@ tempo_request:
        ;
 
 Music_list: /* empty */ {
-               $$ = new Music_list;
-               $$->set_spot (THIS->here_input ());
+               $$ = gh_cons (SCM_EOL, SCM_EOL);
        }
        | Music_list Music {
-               $$->add_music ($2);
+               SCM s = $$;
+               SCM c = gh_cons ($2->self_scm (), SCM_EOL);
+//             scm_unprotect_object ($2->self_scm ()); /* UGH */
+
+       
+               if (gh_pair_p (gh_cdr (s)))
+                       gh_set_cdr_x (gh_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 {
        }
@@ -710,59 +619,68 @@ Alternative_music:
 
 
 Repeated_music:
-       REPEAT STRING unsigned Music Alternative_music
+       REPEAT STRING bare_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.");
+                       $5->origin ()->warning (_ ("More alternatives than repeats.  Junking excess alternatives."));
 
                Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
                $$ = r;
-               r->fold_b_ = (*$2 == "fold");
-               r->volta_fold_b_ =  (*$2 == "volta");
-               delete $2;
-               r->set_spot ($4->spot  ());
+               r->type_ = ly_scm2string ($2);
+               r->fold_b_ = (r->type_ == "fold");
+               r->volta_fold_b_ =  (r->type_ == "volta");
+               r->set_spot (*$4->origin ());
        }
        ;
 
 Music_sequence: '{' Music_list '}'     {
-               $$ = new Music_sequence ($2);
-               $$->set_spot ($2->spot ());
+               $$ = new Music_sequence (gh_car ($2));
        }
        ;
 
 Sequential_music:
        SEQUENTIAL '{' Music_list '}'           {
-               $$ = new Sequential_music ($3);
-               $$->set_spot ($3->spot ());
+               $$ = new Sequential_music (gh_car ($3));
        }
        | '{' Music_list '}'            {
-               $$ = new Sequential_music ($2);
-               $$->set_spot ($2->spot ());
+               $$ = new Sequential_music (gh_car ($2));
        }
        ;
 
 Simultaneous_music:
        SIMULTANEOUS '{' Music_list '}'{
-               $$ = new Simultaneous_music ($3);
-               $$->set_spot ($3->spot ());
+               $$ = new Simultaneous_music (gh_car ($3));
        }
        | '<' Music_list '>'    {
-               $$ = new Simultaneous_music ($2);
-               $$->set_spot ($2->spot ());
+               $$ = new Simultaneous_music (gh_car ($2));
        }
        ;
 
 Simple_music:
        request_chord           { $$ = $1; }
-       | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
+       | OUTPUTPROPERTY embedded_scm embedded_scm '=' embedded_scm     {
+               SCM pred = $2;
+               if (!gh_symbol_p ($3))
+               {
+                       THIS->parser_error (_("Second argument must be a symbol")); 
+               }
+               /*hould check # args */
+               if (!gh_procedure_p (pred))
+               {
+                       THIS->parser_error (_("First argument must be a procedure taking 1 argument"));
+               }
+       
+               $$ = new Output_property (pred,$3, $5);
+       }
+       | MUSIC_IDENTIFIER { $$ = unsmob_music ($1)->clone (); }
        | property_def
        | translator_change
-       | Simple_music '*' unsigned '/' unsigned        {
+       | Simple_music '*' bare_unsigned '/' bare_unsigned      {
                $$ = $1;
                $$->compress (Moment($3, $5 ));
        }
-       | Simple_music '*' unsigned              {
+       | Simple_music '*' bare_unsigned                 {
                $$ = $1;
                $$->compress (Moment ($3, 1));
        }
@@ -773,22 +691,26 @@ Composite_music:
        CONTEXT STRING Music    {
                Context_specced_music *csm =  new Context_specced_music ($3);
 
-               csm->translator_type_str_ = *$2;
+               csm->translator_type_str_ = ly_scm2string ($2);
                csm->translator_id_str_ = "";
-               delete $2;
+
 
                $$ = csm;
        }
+       | AUTOCHANGE STRING Music       {
+               Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
+
+               $$ = chm;
+               chm->set_spot (*$3->origin ());
+       }
        | GRACE Music {
                $$ = new Grace_music ($2);
        }
        | CONTEXT STRING '=' STRING Music {
                Context_specced_music *csm =  new Context_specced_music ($5);
 
-               csm->translator_type_str_ = *$2;
-               csm->translator_id_str_ = *$4;
-               delete $2;
-               delete $4;
+               csm->translator_type_str_ = ly_scm2string ($2);
+               csm->translator_id_str_ = ly_scm2string ($4);
 
                $$ = csm;
        }
@@ -796,7 +718,7 @@ Composite_music:
                THIS->remember_spot ();
        }
        /* CONTINUED */ 
-               unsigned '/' unsigned Music     
+               bare_unsigned '/' bare_unsigned Music   
 
        {
                $$ = new Time_scaled_music ($3, $5, $6);
@@ -807,11 +729,11 @@ Composite_music:
        | Sequential_music              { $$ = $1; }
        | TRANSPOSE musical_pitch Music {
                $$ = new Transposed_music ($3, *$2);
-               delete $2;
+               delete $2; // ugh
        }
        | TRANSPOSE steno_tonic_pitch Music {
                $$ = new Transposed_music ($3, *$2);
-               delete $2;
+               delete $2; // ugh
        }
        | NOTES
                { THIS->lexer_p_->push_note_state (); }
@@ -840,7 +762,7 @@ Composite_music:
 relative_music:
        RELATIVE absolute_musical_pitch Music {
                $$ = new Relative_octave_music ($3, *$2);
-               delete $2;
+               delete $2; // ugh
        }
        ;
 
@@ -854,48 +776,47 @@ re_rhythmed_music:
 translator_change:
        TRANSLATOR STRING '=' STRING  {
                Change_translator * t = new Change_translator;
-               t-> change_to_type_str_ = *$2;
-               t-> change_to_id_str_ = *$4;
+               t-> change_to_type_str_ = ly_scm2string ($2);
+               t-> change_to_id_str_ = ly_scm2string ($4);
 
                $$ = t;
                $$->set_spot (THIS->here_input ());
-               delete $2;
-               delete $4;
        }
        ;
 
 property_def:
-       PROPERTY STRING '.' STRING '=' scalar {
+       PROPERTY STRING '.' STRING '='  scalar {
                Translation_property *t = new Translation_property;
 
-               t-> var_str_ = *$4;
-               t-> value_ = *$6;
+               t->set_mus_property ("symbol", scm_string_to_symbol ($4));
+               t->set_mus_property ("value", $6);
 
                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-> translator_type_str_ = ly_scm2string ($2);
        }
        ;
 
 scalar:
-       string          { $$ = new Scalar (*$1); delete $1; }
-       | int           { $$ = new Scalar ($1); }
+       string          { $$ = $1; }
+       | bare_int      { $$ = gh_int2scm ($1); }
+       | embedded_scm  { $$ = $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));
+               if (l) {
+                       for (int i=0; i < $1->size(); i++)
+                               l->append_music ($1->elem(i));
+                       for (int i=0; i < $3->size(); i++)
+                               l->append_music ($3->elem(i));
+                       }
+               else
+                       programming_error ("Need Sequence to add music to");
                $$ = $2;
                
        }
@@ -904,19 +825,28 @@ request_chord:
 
 command_element:
        command_req {
-               $$ = new Request_chord;
+               $$ = new Request_chord (gh_cons ($1->self_scm (), SCM_EOL));
                $$-> set_spot (THIS->here_input ());
                $1-> set_spot (THIS->here_input ());
-               ((Simultaneous_music*)$$) ->add_music ($1);//ugh
+       }
+       | PARTIAL duration_length ';'   {
+               Translation_property * p = new Translation_property;
+               p->set_mus_property ("symbol", ly_symbol2scm ( "measurePosition"));
+               Moment m = - $2->length_mom ();
+               p->set_mus_property ("value", m.make_scm());
+               delete $2; // ugh
+               Context_specced_music * sp = new Context_specced_music (p);
+               $$ =sp ;
+               sp-> translator_type_str_ = "Score";
        }
        ;
 
 command_req:
-       abbrev_command_req
+       shorthand_command_req
        | verbose_command_req semicolon { $$ = $1; }
        ;
 
-abbrev_command_req:
+shorthand_command_req:
        extender_req {
                $$ = $1;
        }
@@ -935,35 +865,11 @@ abbrev_command_req:
                b->span_type_str_ = "beam";
                $$ =b;
        }
-       | '[' ':' unsigned {
-               if (!Duration::duration_type_b ($3))
-                 THIS->parser_error (_f ("not a duration: %d", $3));
-               else if ($3 < 8)
-                 THIS->parser_error (_ ("can't abbreviate"));
-               else
-                 THIS->set_abbrev_beam ($3);
-
-               Chord_tremolo_req* a = new Chord_tremolo_req;
-               a->span_dir_ = START;
-               a->type_i_ = THIS->abbrev_beam_type_i_;
-               $$=a;
-       }
        | ']'           {
-               if (!THIS->abbrev_beam_type_i_)
-                 {
-                    Span_req*b= new Span_req;
-                    b->span_dir_ = STOP;
-                    b->span_type_str_ = "beam";
-                    $$ = b;
-                  }
-               else
-                 {
-                   Chord_tremolo_req* a = new Chord_tremolo_req;
-                   a->span_dir_ = STOP;
-                   a->type_i_ = THIS->abbrev_beam_type_i_;
-                   THIS->set_abbrev_beam (0);
-                   $$ = a;
-                 }
+            Span_req*b= new Span_req;
+            b->span_dir_ = STOP;
+            b->span_type_str_ = "beam";
+            $$ = b;
        }
        | BREATHE {
                $$ = new Breathing_sign_req;
@@ -972,65 +878,69 @@ abbrev_command_req:
 
 
 verbose_command_req:
+       
        BAR STRING                      {
-               $$ = new Bar_req (*$2);
-               delete $2;
+               $$ = new Bar_req (ly_scm2string ($2));
+       }
+       | COMMANDSPANREQUEST bare_int STRING {
+               Span_req * sp_p = new Span_req;
+               sp_p-> span_dir_  = Direction($2);
+               sp_p->span_type_str_ = ly_scm2string ($3);
+               sp_p->set_spot (THIS->here_input ());
+               $$ = sp_p;
+       }
+       | MARK  {
+               Mark_req * m = new Mark_req;
+               $$ = m;
        }
        | MARK STRING {
-               $$ = new Mark_req (*$2);
-               delete $2;
+               Mark_req *m = new Mark_req;
+               m->set_mus_property ("label", $2);
+               $$ = m;
+
        }
-       | MARK unsigned {
-               $$ = new Mark_req (to_str ($2));
+       | MARK bare_unsigned {
+               Mark_req *m = new Mark_req;
+               m->set_mus_property ("label",  gh_int2scm ($2));
+               $$ = m;
        }
-       | TIME_T unsigned '/' unsigned  {
+
+       | TIME_T bare_unsigned '/' bare_unsigned        {
                Time_signature_change_req *m = new Time_signature_change_req;
                m->beats_i_ = $2;
                m->one_beat_i_=$4;
                $$ = m;
        }
-       | PENALTY int   {
+       | PENALTY bare_int      {
                Break_req * b = new Break_req;
-               b->penalty_i_ = $2;
-               b-> set_spot (THIS->here_input ());
+               b->penalty_f_ = $2 / 100.0;
+               b->set_spot (THIS->here_input ());
                $$ = b;
        }
        | SKIP duration_length {
                Skip_req * skip_p = new Skip_req;
                skip_p->duration_ = *$2;
-               delete $2;
+               delete $2; // ugh
                $$ = skip_p;
        }
        | tempo_request {
                $$ = $1;
        }
-       | CADENZA unsigned      {
-               $$ = new Cadenza_req ($2);
-       }
-       | PARTIAL duration_length       {
-               $$ = new Partial_measure_req ($2->length_mom ());
-               delete $2;
-       }
        | CLEF STRING {
-               $$ = new Clef_change_req (*$2);
-               delete $2;
+               $$ = new Clef_change_req (ly_scm2string ($2));
+
        }
-       | KEY NOTENAME_PITCH optional_modality  {
+       | KEY {
                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;
                $$ = key_p;
-               delete $2;
        }
-       | KEYSIGNATURE pitch_list {
+       | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
                Key_change_req *key_p= new Key_change_req;
-               key_p->key_.pitch_arr_ = *$2;
-               key_p->key_.ordinary_key_b_ = false;
-               $$ = key_p;
-               delete $2;
+               
+               key_p->set_mus_property ("pitch-alist", $3);
+               ((Music* )key_p)->transpose (* $2);
+               $$ = key_p; 
        }
-
        ;
 
 post_requests:
@@ -1054,10 +964,11 @@ request_that_take_dir:
        gen_text_def
        | verbose_request
        | script_abbreviation {
-               Identifier*i = THIS->lexer_p_->lookup_identifier ("dash-" + *$1);
+               SCM s = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($1));
                Articulation_req *a = new Articulation_req;
-               a->articulation_str_ = *i->access_content_String (false);
-               delete $1;
+               if (gh_string_p (s))
+                       a->articulation_str_ = ly_scm2string (s);
+               else THIS->parser_error (_ ("Expecting string as script definition"));
                $$ = a;
        }
        ;
@@ -1067,33 +978,32 @@ request_with_dir:
                if (Script_req * gs = dynamic_cast<Script_req*> ($2))
                        gs->dir_ = Direction ($1);
                else if ($1)
-                       $2->warning ("Can't specify direction for this request");
+                       $2->origin ()->warning (_ ("Can't specify direction for this request"));
                $$ = $2;
        }
        ;
        
 verbose_request:
        REQUEST_IDENTIFIER      {
-               $$ = (Request*)$1->access_content_Request (true);
+               $$ = dynamic_cast<Request*> (unsmob_music ($1)->clone ());
                $$->set_spot (THIS->here_input ());
        }
        | TEXTSCRIPT STRING STRING      {
                Text_script_req *ts_p = new Text_script_req;
-               ts_p-> text_str_ = *$2;
-               ts_p-> style_str_ = *$3;
+               ts_p-> text_str_ = ly_scm2string ($2);
+               ts_p-> style_str_ = ly_scm2string ($3);
                ts_p->set_spot (THIS->here_input ());
-               delete $3;
-               delete $2;
+
                $$ = ts_p;
        }
-       | SPANREQUEST int STRING {
+       | SPANREQUEST bare_int STRING {
                Span_req * sp_p = new Span_req;
-               sp_p-> span_dir_  = Direction($2);
-               sp_p->span_type_str_ = *$3;
+               sp_p->span_dir_  = Direction($2);
+               sp_p->span_type_str_ = ly_scm2string ($3);
                sp_p->set_spot (THIS->here_input ());
                $$ = sp_p;
        }
-       | abbrev_type   {
+       | tremolo_type  {
                Tremolo_req* a = new Tremolo_req;
                a->set_spot (THIS->here_input ());
                a->type_i_ = $1;
@@ -1101,19 +1011,9 @@ verbose_request:
        }
        | SCRIPT STRING         { 
                Articulation_req * a = new Articulation_req;
-               a->articulation_str_ = *$2;
+               a->articulation_str_ = ly_scm2string ($2);
                a->set_spot (THIS->here_input ());
                $$ = a;
-               delete $2;
-       }
-       ;
-
-optional_modality:
-       /* empty */     {
-               $$ = 0;
-       }
-       | int   {
-               $$ = $1;
        }
        ;
 
@@ -1163,46 +1063,37 @@ steno_tonic_pitch:
        }
        ;
 
-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 {
                $$ = $1;
-               THIS->set_last_pitch ($1);
        }
-       | explicit_musical_pitch {
-               $$ = $1;
-               THIS->set_last_pitch ($1);
+       | MUSICAL_PITCH embedded_scm {
+               int sz = scm_ilength ($2);
+               if (sz != 3) {
+                       THIS->parser_error (_f ("Expecting %d arguments", 3));
+                       $2 = gh_list (gh_int2scm (0), gh_int2scm (0), gh_int2scm (0), SCM_UNDEFINED);
+               }
+               $$ = new Musical_pitch ($2);
        }
        ;
 
 explicit_duration:
-       DURATION '{' int_list '}'       {
+       DURATION embedded_scm   {
                $$ = new Duration;
-               Array<int> &a = *$3;
-               ARRAY_SIZE(a,2);
-                       
-               $$-> durlog_i_ = a[0];
-               $$-> dots_i_ = a[1];
-
-               delete &a;              
+               if (scm_ilength ($2) == 2)
+                       {
+                       $$-> durlog_i_ = gh_scm2int (gh_car($2));
+                       $$-> dots_i_ = gh_scm2int (gh_cadr($2));
+                       }
+               else
+                       THIS->parser_error (_("Must have 2 arguments for duration"));
        }
        ;
 
 extender_req:
        EXTENDER {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
                $$ = new Extender_req;
        }
        ;
@@ -1210,7 +1101,7 @@ extender_req:
 hyphen_req:
        HYPHEN {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
                $$ = new Hyphen_req;
        }
        ;
@@ -1264,8 +1155,8 @@ gen_text_def:
        string {
                Text_script_req *t  = new Text_script_req;
                $$ = t;
-               t->text_str_ = *$1;
-               delete $1;
+               t->text_str_ = ly_scm2string ($1);
+
                $$->set_spot (THIS->here_input ());
        }
        | DIGIT {
@@ -1279,22 +1170,22 @@ gen_text_def:
 
 script_abbreviation:
        '^'             {
-               $$ = new String ("hat");
+               $$ = gh_str02scm  ("hat");
        }
        | '+'           {
-               $$ = new String ("plus");
+               $$ = gh_str02scm("plus");
        }
        | '-'           {
-               $$ = new String ("dash");
+               $$ = gh_str02scm ("dash");
        }
        | '|'           {
-               $$ = new String ("bar");
+               $$ = gh_str02scm ("bar");
        }
        | '>'           {
-               $$ = new String ("larger");
+               $$ = gh_str02scm ("larger");
        }
        | '.'           {
-               $$ = new String ("dot");
+               $$ = gh_str02scm ("dot");
        }
        ;
 
@@ -1324,11 +1215,11 @@ duration_length:
        steno_duration {
                $$ = $1;
        }
-       | duration_length '*' unsigned {
-               $$->plet_.iso_i_ *= $3;
+       | duration_length '*' bare_unsigned {
+               $$->tuplet_iso_i_ *= $3;
        }
-       | duration_length '/' unsigned {
-               $$->plet_.type_i_ *= $3;
+       | duration_length '/' bare_unsigned {
+               $$->tuplet_type_i_ *= $3;
        }
        ;
 
@@ -1348,12 +1239,12 @@ optional_notemode_duration:
        ;
 
 steno_duration:
-       unsigned                {
+       bare_unsigned           {
                $$ = new Duration;
-               if (!Duration::duration_type_b ($1))
+               if (!is_duration_b ($1))
                        THIS->parser_error (_f ("not a duration: %d", $1));
                else {
-                       $$->durlog_i_ = Duration_convert::i2_type ($1);
+                       $$->durlog_i_ = intlog2 ($1);
                     }
        }
        | DURATION_IDENTIFIER   {
@@ -1365,15 +1256,13 @@ steno_duration:
        ;
 
 
-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;
        }
        ;
@@ -1382,80 +1271,100 @@ abbrev_type:
 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"));
+                       THIS->parser_error (_ ("Have to be in Note mode for notes"));
 
 
                Note_req *n = new Note_req;
                
                n->pitch_ = *$1;
-               delete $1;
                n->duration_ = *$4;
-               delete $4;
-               if (THIS->abbrev_beam_type_i_)
-                 {
-                   if (n->duration_.plet_b ())
-                     THIS->parser_error (_ ("can't abbreviate tuplet"));
-                   else
-                     n->duration_.set_plet (1, 2);
-                 }
+
                n->cautionary_b_ = $3 % 2;
                n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
 
-               Simultaneous_music*v = new Request_chord;
-               v->set_spot (THIS->here_input ());
-               n->set_spot (THIS->here_input ());
-
-               v->add_music (n);
 
+               Simultaneous_music*v = new Request_chord (gh_list (n->self_scm (), SCM_UNDEFINED));
+               v->set_spot ($1->spot ());
+               n->set_spot ($1->spot ());
                $$ = v;
+
+               delete $1;
+               delete $4;
        }
        | RESTNAME optional_notemode_duration           {
-               $$ = THIS->get_rest_element (*$1, $2);
-               delete $1;  // delete notename
+
+               SCM e = SCM_UNDEFINED;
+                 if (ly_scm2string ($1) =="s")
+                   { /* Space */
+                     Skip_req * skip_p = new Skip_req;
+                     skip_p->duration_ = *$2;
+
+                     skip_p->set_spot (THIS->here_input());
+                       e = skip_p->self_scm ();
+                   }
+                 else
+                   {
+                     Rest_req * rest_req_p = new Rest_req;
+                     rest_req_p->duration_ = *$2;
+                     rest_req_p->set_spot (THIS->here_input());
+                       e = rest_req_p->self_scm ();
+                   }
+                 Simultaneous_music* velt_p = new Request_chord (gh_list (e,SCM_UNDEFINED));
+                 velt_p->set_spot (THIS->here_input());
+
+                 delete $2; // ugh
+                 $$ = velt_p;
        }
        | MEASURES optional_notemode_duration   {
-               Multi_measure_rest_req* m = new Multi_measure_rest_req;
-               m->duration_ = *$2;
-               delete $2;
+               Skip_req * sk = new Skip_req;
+               sk->duration_ = *$2;
+               
 
-               Simultaneous_music*velt_p = new Request_chord;
-               velt_p->set_spot (THIS->here_input ());
-               velt_p->add_music (m);
-               $$ = velt_p;
-       }
-       | REPETITIONS optional_notemode_duration        {
-               Repetitions_req* r = new Repetitions_req;
-               r->duration_ = *$2;
-               delete $2;
+               Span_req *sp1 = new Span_req;
+               Span_req *sp2 = new Span_req;
+               sp1-> span_dir_ = START;
+               sp2-> span_dir_ = STOP;
+               sp1->span_type_str_ = sp2->span_type_str_ = "rest";
+
+               Request_chord * rqc1 = new Request_chord (gh_list (sp1->self_scm (), SCM_UNDEFINED));
+               Request_chord * rqc2 = new Request_chord (gh_list (sk->self_scm (), SCM_UNDEFINED));;
+               Request_chord * rqc3 = new Request_chord(gh_list (sp2->self_scm (), SCM_UNDEFINED));;
 
-               Simultaneous_music*velt_p = new Request_chord;
-               velt_p->set_spot (THIS->here_input ());
-               velt_p->add_music (r);
-               $$ = velt_p;
+               SCM ms = gh_list (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
+
+               $$ = new Sequential_music (ms);
        }
        | STRING optional_notemode_duration     {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
-               $$ = THIS->get_word_element (*$1, $2);
-               delete $1;
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+               Lyric_req* lreq_p = new Lyric_req;
+               lreq_p ->text_str_ = ly_scm2string ($1);
+               lreq_p->duration_ = *$2;
+               lreq_p->set_spot (THIS->here_input());
+               Simultaneous_music* velt_p = new Request_chord (gh_list (lreq_p->self_scm (), SCM_UNDEFINED));
+
+               delete  $2; // ugh
+               $$= velt_p;
+
        }
        | chord {
                if (!THIS->lexer_p_->chord_state_b ())
-                       THIS->parser_error (_ ("have to be in Chord mode for chords"));
+                       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 {
-                $$ = THIS->get_chord (*$1, $3, $4, $5, *$2);
+       steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
+                $$ = THIS->get_chord (*$1, $3, $4, $5, $6, *$2);
         };
 
 chord_additions: 
        {
                $$ = new Array<Musical_pitch>;
        } 
-       | CHORD_MINUS chord_notes {
+       | CHORD_COLON chord_notes {
                $$ = $2;
        }
        ;
@@ -1485,7 +1394,18 @@ chord_inversion:
                $$ = 0;
        }
        | '/' steno_tonic_pitch {
-               $$ = $2
+               $$ = $2;
+               $$->set_spot (THIS->here_input ());
+       }
+       ;
+
+chord_bass:
+       {
+               $$ = 0;
+       }
+       | CHORD_BASS steno_tonic_pitch {
+               $$ = $2;
+               $$->set_spot (THIS->here_input ());
        }
        ;
 
@@ -1506,19 +1426,19 @@ chord_step:
        ;
 
 chord_note:
-       unsigned {
+       bare_unsigned {
                $$ = new Musical_pitch;
                $$->notename_i_ = ($1 - 1) % 7;
                $$->octave_i_ = $1 > 7 ? 1 : 0;
                $$->accidental_i_ = 0;
         } 
-       | unsigned '+' {
+       | bare_unsigned '+' {
                $$ = new Musical_pitch;
                $$->notename_i_ = ($1 - 1) % 7;
                $$->octave_i_ = $1 > 7 ? 1 : 0;
                $$->accidental_i_ = 1;
        }
-       | unsigned CHORD_MINUS {
+       | bare_unsigned CHORD_MINUS {
                $$ = new Musical_pitch;
                $$->notename_i_ = ($1 - 1) % 7;
                $$->octave_i_ = $1 > 7 ? 1 : 0;
@@ -1529,43 +1449,91 @@ chord_note:
 /*
        UTILITIES
  */
-pitch_list:                    {
-               $$ = new Array<Musical_pitch>;
+number_expression:
+       bare_number {
+               $$ = $1;
        }
-       | pitch_list musical_pitch      {
-               $$->push (*$2);
-               delete $2;
+       | '-'  number_expression %prec UNARY_MINUS {
+               $$ = scm_difference ($2, SCM_UNDEFINED);
        }
-       ;
-
-
-int_list:
-       /**/                    {
-               $$ = new Array<int>
+       | number_expression '*' number_expression {
+               $$ = scm_product ($1, $3);
        }
-       | int_list int          {
-               $$->push ($2);          
+       | number_expression '/' number_expression {
+               $$ = scm_divide ($1, $3);
+       }
+       | number_expression '+' number_expression {
+               $$ = scm_sum ($1, $3);
+       }
+       | number_expression '-' number_expression {
+               $$ = scm_difference ($1, $3);
+       }
+       | '(' number_expression ')'     {
+               $$ = $2;
        }
        ;
 
-unsigned:
+bare_number:
        UNSIGNED        {
-               $$ = $1;
+               $$ = gh_int2scm ($1);
        }
        | DIGIT         {
+               $$ = gh_int2scm ($1);
+       }
+       | REAL          {
+               $$ = gh_double2scm ($1);
+       }
+       | NUMBER_IDENTIFIER             {
                $$ = $1;
        }
+       | REAL CM_T     {
+               $$ = gh_double2scm ($1 CM);
+       }
+       | REAL PT_T     {
+               $$ = gh_double2scm ($1 PT);
+       }
+       | REAL IN_T     {
+               $$ = gh_double2scm ($1 INCH);
+       }
+       | REAL MM_T     {
+               $$ = gh_double2scm ($1 MM);
+       }
+       | REAL CHAR_T   {
+               $$ = gh_double2scm ($1 CHAR);
+       }
        ;
 
-int:
-       unsigned {
-               $$ = $1;
+
+bare_unsigned:
+       bare_number {
+               if (scm_integer_p ($1) == SCM_BOOL_T) {
+                       $$ = gh_scm2int ($1);
+
+               } else {
+                       THIS->parser_error (_("need integer number arg"));
+                       $$ = 0;
+               }
+               if ($$ < 0) {
+                       THIS->parser_error (_("Must be positive integer"));
+                       $$ = -$$;
+                       }
+
        }
-       | '-' 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;
        }
        ;
 
@@ -1575,11 +1543,10 @@ string:
                $$ = $1;
        }
        | STRING_IDENTIFIER     {
-               $$ = $1->access_content_String (true);
+               $$ = $1;
        }
        | string '+' string {
-               *$$ += *$3;
-               delete $3;
+               $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
        }
        ;
 
@@ -1598,6 +1565,7 @@ questions:
 semicolon:
        ';'
        ;
+
 %%
 
 void