]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
patch::: 1.3.92.jcn1
[lilypond.git] / lily / parser.yy
index 83669c3717f1f3ab23cdf0b4d0cc468fdd0343dc..e02e0047eb6b7eb176ead47e21567f027ec67d27 100644 (file)
@@ -5,13 +5,13 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c)  1997--1999 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 "translator-def.hh"
 #include "lily-guile.hh"
-#include "notename-table.hh"
 #include "translation-property.hh"
 #include "lookup.hh"
 #include "misc.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 "change-translator.hh"
 #include "file-results.hh"
+#include "input.hh"
 #include "scope.hh"
 #include "relative-music.hh"
 #include "lyric-combine-music.hh"
 #include "mudela-version.hh"
 #include "grace-music.hh"
 #include "auto-change-music.hh"
+#include "part-combine-music.hh"
 #include "output-property.hh"
-
-// mmm
-Mudela_version oldest_version ("1.3.4");
+#include "chord.hh"
 
 bool
 is_duration_b (int t)
 {
-  return t == 1 << intlog2(t);
+  return t && t == 1 << intlog2(t);
 }
 
 
-
+// mmm JUNKME ?
+Mudela_version oldest_version ("1.3.59");
 
 void
 print_mudela_versions (ostream &os)
@@ -61,6 +61,8 @@ print_mudela_versions (ostream &os)
   os << _f ("Oldest supported input version: %s", oldest_version.str ()) 
     << endl;
 }
+
+
 // needed for bison.simple's malloc() and free()
 #include <malloc.h>
 
@@ -83,34 +85,27 @@ print_mudela_versions (ostream &os)
 %union {
     Array<Musical_pitch> *pitch_arr;
     Link_array<Request> *reqvec;
-    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;
 
- /* We use SCMs to do strings, because it saves us the trouble of
   /* 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_group* trans;
-    char c;
     int i;
 }
 %{
@@ -146,6 +141,7 @@ yylex (YYSTYPE *s,  void * v_l)
 %token SEQUENTIAL
 %token SIMULTANEOUS
 %token CONSISTSEND
+%token DENIES
 %token DURATION
 %token EXTENDER
 %token FONT
@@ -155,7 +151,6 @@ yylex (YYSTYPE *s,  void * v_l)
 %token IN_T
 %token INVALID
 %token KEY
-%token KEYSIGNATURE
 %token LYRICS
 %token MARK
 %token MEASURES
@@ -169,12 +164,14 @@ yylex (YYSTYPE *s,  void * v_l)
 %token PARTIAL
 %token PENALTY
 %token PROPERTY
+%token PUSHPROPERTY POPPROPERTY
+%token PUSH POP 
 %token PT_T
 %token RELATIVE
 %token REMOVE
 %token REPEAT
-%token REPETITIONS
 %token ADDLYRICS
+%token PARTCOMBINE
 %token SCM_T
 %token SCORE
 %token SCRIPT
@@ -201,22 +198,20 @@ 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 <id>    MUSIC_OUTPUT_DEF_IDENTIFIER
+
+%token <scm>   NUMBER_IDENTIFIER
+%token <scm>   REQUEST_IDENTIFIER
+%token <scm>   MUSIC_IDENTIFIER TRANSLATOR_IDENTIFIER
+%token <scm>   STRING_IDENTIFIER SCM_IDENTIFIER 
 %token <scm>   DURATION RESTNAME
-%token <scm>   STRING
+%token <scm>   STRING 
 %token <scm>   SCM_T
 %token <i>     UNSIGNED
-
+%token <real>   REAL
 
 %type <outputdef> output_def
 %type <scope>  mudela_header mudela_header_body
@@ -225,45 +220,43 @@ 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 <music>  chord
 %type <pitch>  chord_note chord_inversion chord_bass
-%type <midi>   midi_block midi_body
 %type <duration>       duration_length
 
 %type <scm>  embedded_scm scalar
 %type <music>  Music Sequential_music Simultaneous_music Music_sequence
-%type <music>  relative_music re_rhythmed_music
+%type <music>  relative_music re_rhythmed_music part_combined_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 <scm>    string
+%type <scm>    string bare_number number_expression
 %type <score>  score_block score_body
 
-%type <scm>    script_abbreviation
-%type <trans>  translator_spec_block translator_spec_body
+%type <scm>    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
 
 
 
@@ -276,18 +269,22 @@ yylex (YYSTYPE *s,  void * v_l)
 mudela:        /* empty */
        | mudela toplevel_expression {}
        | mudela assignment  { }
-       | mudela error
+       | mudela error {
+               THIS->error_level_i_  = 1;
+               //THIS->parser_error (_ ("ly invalid"));
+       }
        | mudela INVALID        {
-               THIS->error_level_i_  =1;
+               THIS->error_level_i_  = 1;
+               //THIS->parser_error (_ ("ly invalid"));
        }
        ;
 
 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;
@@ -296,15 +293,13 @@ toplevel_expression:
        | score_block {
                score_global_array.push ($1);
        }
-       | paper_block {
-               Identifier * id = new
-                       Paper_def_identifier ($1, PAPER_IDENTIFIER);
-               THIS->lexer_p_->set_identifier ("$defaultpaper", id)
-       }
-       | midi_block {
+       | output_def {
                Identifier * id = new
-                       Midi_def_identifier ($1, MIDI_IDENTIFIER);
-               THIS->lexer_p_->set_identifier ("$defaultmidi", id)
+                       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
@@ -313,30 +308,34 @@ toplevel_expression:
 
 embedded_scm:
        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 {
-               $$->add_note_name (ly_scm2string ($2), $4);
-               delete $4;
+       embedded_scm    {
+         int i = scm_ilength ($1);
+
+         SCM tab = scm_make_vector (gh_int2scm (i), SCM_EOL);
+         for (SCM s = $1; s != SCM_EOL; s = gh_cdr (s)) {
+               SCM pt = gh_cdar (s);
+               if (scm_ilength (pt) != 3)
+                       THIS->parser_error ("Need three args");
+               scm_hashq_set_x (tab, gh_caar(s), pt);
+         }
+
+         $$ = tab;
        }
        ;
 
@@ -366,9 +365,18 @@ assignment:
                THIS->remember_spot ();
        }
        /* cont */ '=' identifier_init  {
-           THIS->lexer_p_->set_identifier (ly_scm2string ($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.
+
+  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);
        }
        ;
 
@@ -376,43 +384,33 @@ 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_group_identifier ($1, TRANS_IDENTIFIER);
+               $$ = $1;
        }
        | Music  {
-               $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
+               $$ = $1->self_scm ();
+               scm_unprotect_object ($$);
        }
-
        | post_request {
-               $$ = new Request_identifier ($1, REQUEST_IDENTIFIER);
+               $$ = $1->self_scm ();
+               scm_unprotect_object ($$);
        }
        | explicit_duration {
-               $$ = 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 (new String (ly_scm2string ($1)), STRING_IDENTIFIER);
+               $$ = $1;
        }
-       | int   {
-               $$ = new int_identifier (new int ($1), INT_IDENTIFIER);
+       | embedded_scm  {
+               $$ = $1;
        }
        ;
 
@@ -424,58 +422,54 @@ translator_spec_block:
        ;
 
 translator_spec_body:
-       TRANS_IDENTIFIER        {
-               $$ = $1->access_content_Translator_group (true);
-               $$-> set_spot (THIS->here_input ());
+       TRANSLATOR_IDENTIFIER   {
+               $$ = unsmob_translator_def ($1)->clone_scm ();
+               unsmob_translator_def ($$)-> set_spot (THIS->here_input ());
        }
        | TYPE STRING semicolon {
-               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"));
-               
-               tg = dynamic_cast<Translator_group*> (t->clone ());
-               tg->set_spot (THIS->here_input ());
-               $$ = tg;
+               $$ = Translator_def::make_scm ();
+               Translator_def*td =  unsmob_translator_def ($$);
+               td->translator_group_type_ = $2;
+               td->set_spot (THIS->here_input ());
        }
        | translator_spec_body STRING '=' embedded_scm                  {
-               Translator_group* tg = dynamic_cast<Translator_group*> ($$);
-               tg->set_property (ly_scm2string ($2), $4);
+               unsmob_translator_def ($$)->add_property_assign ($2, $4);
+       }
+       | translator_spec_body STRING PUSH embedded_scm '=' embedded_scm {
+               unsmob_translator_def ($$)
+                       ->add_push_property (scm_string_to_symbol ($2), $4, $6);
+       }
+       | translator_spec_body STRING POP embedded_scm  {
+         unsmob_translator_def($$)->add_pop_property (
+               scm_string_to_symbol ($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);
-       
-               SCM v;
-               if (s) v = ly_str02scm (s->access_content_String (false)->ch_C());
-               if (i) v = gh_int2scm (*i->access_content_int (false));
-               if (r) v = gh_double2scm (*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* tg = dynamic_cast<Translator_group*> ($$);
-               
-               tg->set_property (ly_scm2string ($2), v);
+               unsmob_translator_def($$)->add_property_assign ($2, v);
        }
        | translator_spec_body NAME STRING semicolon {
-               $$->type_str_ = ly_scm2string ($3);
+               unsmob_translator_def ($$)->type_name_ = $3;
        }
        | translator_spec_body CONSISTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
+               unsmob_translator_def ($$)->add_element ($3);
        }
        | translator_spec_body CONSISTSEND STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
+               unsmob_translator_def ($$)->add_last_element ( $3);
        }
        | translator_spec_body ACCEPTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), true);
+               unsmob_translator_def ($$)->set_acceptor ($3,true);
+       }
+       | translator_spec_body DENIES STRING semicolon {
+               unsmob_translator_def ($$)->set_acceptor ($3,false);
        }
        | translator_spec_body REMOVE STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), false);
+               unsmob_translator_def ($$)->remove_element ($3);
        }
        ;
 
@@ -484,17 +478,37 @@ translator_spec_body:
 */
 score_block:
        SCORE { 
+               THIS->remember_spot ();
        }
        /*cont*/ '{' score_body '}'     {
+               THIS->pop_spot ();
                $$ = $4;
                if (!$$->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 '{' score_body error {
+               $$ = $3
+               $$->set_spot (THIS->here_input ());
+               // THIS->here_input ().error ("SCORE INVALID");
+               $$->error ("SCORE INVALID");
+               THIS->parser_error (_f ("SCORE ERROR"));
+       }
+*/
        ;
 
-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);
@@ -502,11 +516,6 @@ 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);
        }
@@ -515,152 +524,77 @@ 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_);
                $$ = p;
        }
-       | paper_def_body int '=' FONT STRING            { // ugh, what a syntax
-               Lookup * l = new Lookup;
-               l->font_name_ = ly_scm2string ($5);
-               $$->set_lookup ($2, l);
-       }
-       | paper_def_body assignment semicolon {
-               
-       }
-       | paper_def_body SCM_T '=' SCM_T {
-               if (!gh_symbol_p ($2))
-                       THIS->parser_error ("expect a symbol as lvalue");
-               else
-                       $$->default_properties_.set ($2, $4);
-       }
-       | paper_def_body SCM_T '=' real semicolon {
-               if (!gh_symbol_p ($2))
-                       THIS->parser_error ("expect a symbol as lvalue");
-               else
-                       $$->default_properties_.set ($2, gh_double2scm ($4));
-       }
-       | paper_def_body translator_spec_block {
-               $$->assign_translator ($2);
-       }
-       | paper_def_body error {
-
-       }
-       ;
-
-
-
-real_with_dimension:
-       REAL CM_T       {
-               $$ = $1 CM;
-       }
-       | REAL PT_T     {
-               $$ = $1 PT;
-       }
-       | REAL IN_T     {
-               $$ = $1 INCH;
-       }
-       | REAL MM_T     {
-               $$ = $1 MM;
-       }
-       | REAL CHAR_T   {
-               $$ = $1 CHAR;
-       }
-       ;
-
-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;
-       }
-       ;
-               
-/*
-       MIDI
-*/
-midi_block:
-       MIDI
-       '{' midi_body '}'       {
-               $$ = $3;
-               THIS-> lexer_p_-> scope_l_arr_.pop();
-       }
-       ;
-
-midi_body: /* empty */                 {
-               Midi_def * p =THIS->default_midi_p ();
-               $$ = p;
+       | 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_);
-       }
-       | MIDI_IDENTIFIER       {
-               Midi_def * p =$1-> access_content_Midi_def (true);
                $$ = p;
-               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
        }
-       | midi_body assignment semicolon {
+       | music_output_def_body assignment semicolon {
 
        }
-       | midi_body translator_spec_block       {
-               $$-> assign_translator ($2);
+       | music_output_def_body translator_spec_block   {
+               $$->assign_translator ($2);
+       }
+       | music_output_def_body tempo_request semicolon {
+               /*
+                       junk this ? there already is tempo stuff in
+                       music.
+               */
+               dynamic_cast<Midi_def*> ($$)->set_tempo ($2->dur_.length_mom (), $2->metronome_i_);
        }
-       | midi_body tempo_request semicolon {
-               $$->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;
@@ -669,11 +603,19 @@ 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 {
        }
@@ -699,45 +641,41 @@ 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_ = (ly_scm2string ($2) == "fold");
-               r->volta_fold_b_ =  (ly_scm2string ($2) == "volta");
-               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));
        }
        ;
 
@@ -757,14 +695,26 @@ Simple_music:
        
                $$ = new Output_property (pred,$3, $5);
        }
-       | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
+       | MUSIC_IDENTIFIER { $$ = unsmob_music ($1)->clone (); }
        | property_def
+/*     | PUSHPROPERTY embedded_scm embedded_scm embedded_scm {
+               $$ = new Push_translation_property;
+               $$->set_mus_property ("symbols", $2);
+               $$->set_mus_property ("element-property", $3);
+               $$->set_mus_property ("element-value", $4);
+       }
+       | POPPROPERTY embedded_scm embedded_scm {
+               $$ = new Pop_translation_property;
+               $$->set_mus_property ("symbols", $2);
+               $$->set_mus_property ("element-property", $3);
+       }
+*/
        | 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));
        }
@@ -785,7 +735,7 @@ Composite_music:
                Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
 
                $$ = chm;
-               chm->set_spot ($3->spot ());
+               chm->set_spot (*$3->origin ());
        }
        | GRACE Music {
                $$ = new Grace_music ($2);
@@ -802,7 +752,7 @@ Composite_music:
                THIS->remember_spot ();
        }
        /* CONTINUED */ 
-               unsigned '/' unsigned Music     
+               bare_unsigned '/' bare_unsigned Music   
 
        {
                $$ = new Time_scaled_music ($3, $5, $6);
@@ -813,11 +763,11 @@ Composite_music:
        | Sequential_music              { $$ = $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 (); }
@@ -841,12 +791,13 @@ Composite_music:
        }
        | 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;
+               delete $2; // ugh
        }
        ;
 
@@ -857,6 +808,13 @@ re_rhythmed_music:
        }
        ;
 
+part_combined_music:
+       PARTCOMBINE STRING Music Music {
+               Part_combine_music * p = new Part_combine_music (ly_scm2string ($2), $3, $4);
+               $$ = p;
+       }
+       ;
+
 translator_change:
        TRANSLATOR STRING '=' STRING  {
                Change_translator * t = new Change_translator;
@@ -872,8 +830,8 @@ property_def:
        PROPERTY STRING '.' STRING '='  scalar {
                Translation_property *t = new Translation_property;
 
-               t->var_str_ = ly_scm2string ($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;
@@ -881,11 +839,28 @@ property_def:
 
                csm-> translator_type_str_ = ly_scm2string ($2);
        }
+       | PROPERTY STRING '.' STRING PUSH embedded_scm '=' embedded_scm {
+               Push_translation_property *t = new Push_translation_property;
+
+               t->set_mus_property ("symbols", scm_string_to_symbol ($4));
+               t->set_mus_property ("element-property", $6);
+               t->set_mus_property ("element-value", $8);
+               Context_specced_music *csm = new Context_specced_music (t);
+               $$ = csm;
+               $$->set_spot (THIS->here_input ());
+
+               csm-> translator_type_str_ = ly_scm2string ($2);
+       }
+       | PROPERTY STRING POP embedded_scm {
+               $$ = new Pop_translation_property;
+               $$->set_mus_property ("symbols", scm_string_to_symbol ($2));
+               $$->set_mus_property ("element-property", $4);
+       }
        ;
 
 scalar:
        string          { $$ = $1; }
-       | int           { $$ = gh_int2scm ($1); }
+       | bare_int      { $$ = gh_int2scm ($1); }
        | embedded_scm  { $$ = $1; }
        ;
 
@@ -895,9 +870,9 @@ request_chord:
                Music_sequence *l = dynamic_cast<Music_sequence*>($2);
                if (l) {
                        for (int i=0; i < $1->size(); i++)
-                               l->add_music ($1->elem(i));
+                               l->append_music ($1->elem(i));
                        for (int i=0; i < $3->size(); i++)
-                               l->add_music ($3->elem(i));
+                               l->append_music ($3->elem(i));
                        }
                else
                        programming_error ("Need Sequence to add music to");
@@ -909,16 +884,16 @@ 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->var_str_ = "measurePosition";
-               p->value_ =  (new Moment (-$2->length_mom ()))->smobify_self ();
-               delete $2;
+               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";
@@ -926,11 +901,11 @@ command_element:
        ;
 
 command_req:
-       abbrev_command_req
+       shorthand_command_req
        | verbose_command_req semicolon { $$ = $1; }
        ;
 
-abbrev_command_req:
+shorthand_command_req:
        extender_req {
                $$ = $1;
        }
@@ -949,35 +924,11 @@ abbrev_command_req:
                b->span_type_str_ = "beam";
                $$ =b;
        }
-       | '[' ':' unsigned {
-               if (!is_duration_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 {
                $$ = new Breathing_sign_req;
@@ -990,31 +941,36 @@ verbose_command_req:
        BAR STRING                      {
                $$ = new Bar_req (ly_scm2string ($2));
        }
-       | COMMANDSPANREQUEST int STRING {
+       | 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 {
                Mark_req *m = new Mark_req;
-               m->str_ = ly_scm2string ($2);
+               m->set_mus_property ("label", $2);
                $$ = m;
 
        }
-       | MARK unsigned {
+       | MARK bare_unsigned {
                Mark_req *m = new Mark_req;
-               m->str_ =  to_str ($2);
+               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_f_ = $2 / 100.0;
                b->set_spot (THIS->here_input ());
@@ -1023,7 +979,7 @@ verbose_command_req:
        | SKIP duration_length {
                Skip_req * skip_p = new Skip_req;
                skip_p->duration_ = *$2;
-               delete $2;
+               delete $2; // ugh
                $$ = skip_p;
        }
        | tempo_request {
@@ -1033,21 +989,16 @@ verbose_command_req:
                $$ = new Clef_change_req (ly_scm2string ($2));
 
        }
-/* UGH. optional.  */
-       | 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; 
        }
        ;
 
@@ -1072,9 +1023,11 @@ request_that_take_dir:
        gen_text_def
        | verbose_request
        | script_abbreviation {
-               Identifier*i = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($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);
+               if (gh_string_p (s))
+                       a->articulation_str_ = ly_scm2string (s);
+               else THIS->parser_error (_ ("Expecting string as script definition"));
                $$ = a;
        }
        ;
@@ -1084,14 +1037,14 @@ request_with_dir:
                if (Script_req * gs = dynamic_cast<Script_req*> ($2))
                        gs->dir_ = Direction ($1);
                else if ($1)
-                       $2->warning (_ ("Can't specify direction for this request"));
+                       $2->origin ()->warning (_ ("Can't specify direction for this request"));
                $$ = $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      {
@@ -1102,14 +1055,14 @@ verbose_request:
 
                $$ = ts_p;
        }
-       | SPANREQUEST int STRING {
+       | SPANREQUEST bare_int STRING {
                Span_req * sp_p = new Span_req;
-               sp_p-> span_dir_  = Direction($2);
+               sp_p->span_dir_  = Direction($2);
                sp_p->span_type_str_ = ly_scm2string ($3);
                sp_p->set_spot (THIS->here_input ());
                $$ = sp_p;
        }
-       | abbrev_type   {
+       | tremolo_type  {
                Tremolo_req* a = new Tremolo_req;
                a->set_spot (THIS->here_input ());
                a->type_i_ = $1;
@@ -1120,16 +1073,6 @@ verbose_request:
                a->articulation_str_ = ly_scm2string ($2);
                a->set_spot (THIS->here_input ());
                $$ = a;
-
-       }
-       ;
-
-optional_modality:
-       /* empty */     {
-               $$ = 0;
-       }
-       | int   {
-               $$ = $1;
        }
        ;
 
@@ -1179,37 +1122,30 @@ 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 {
                $$ = $1;
        }
-       | explicit_musical_pitch {
-               $$ = $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"));
        }
        ;
 
@@ -1338,10 +1274,10 @@ duration_length:
        steno_duration {
                $$ = $1;
        }
-       | duration_length '*' unsigned {
+       | duration_length '*' bare_unsigned {
                $$->tuplet_iso_i_ *= $3;
        }
-       | duration_length '/' unsigned {
+       | duration_length '/' bare_unsigned {
                $$->tuplet_type_i_ *= $3;
        }
        ;
@@ -1362,7 +1298,7 @@ optional_notemode_duration:
        ;
 
 steno_duration:
-       unsigned                {
+       bare_unsigned           {
                $$ = new Duration;
                if (!is_duration_b ($1))
                        THIS->parser_error (_f ("not a duration: %d", $1));
@@ -1379,15 +1315,13 @@ steno_duration:
        ;
 
 
-abbrev_type: 
+tremolo_type: 
        ':'     {
                $$ =0;
        }
-       | ':' unsigned {
+       | ':' bare_unsigned {
                if (!is_duration_b ($2))
                        THIS->parser_error (_f ("not a duration: %d", $2));
-               else if ($2 < 8)
-                       THIS->parser_error (_ ("Can't abbreviate"));
                $$ = $2;
        }
        ;
@@ -1403,88 +1337,81 @@ simple_element:
                
                n->pitch_ = *$1;
                n->duration_ = *$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;
+
+               Simultaneous_music*v = new Request_chord (gh_list (n->self_scm (), SCM_UNDEFINED));
                v->set_spot ($1->spot ());
                n->set_spot ($1->spot ());
-
-               v->add_music (n);
-
                $$ = v;
 
                delete $1;
                delete $4;
-
        }
        | RESTNAME optional_notemode_duration           {
-                 Simultaneous_music* velt_p = new Request_chord;
-                 velt_p->set_spot (THIS->here_input());
 
+               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());
-                     velt_p->add_music (skip_p);
+                       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());
-
-                     velt_p->add_music (rest_req_p);
+                       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;
+                 delete $2; // ugh
                  $$ = velt_p;
        }
        | MEASURES optional_notemode_duration   {
                Skip_req * sk = new Skip_req;
                sk->duration_ = *$2;
-               Music_list * ms = new Music_list;
-               Request_chord * rqc1 = new Request_chord;
-               Request_chord * rqc2 = new Request_chord;
-               Request_chord * rqc3 = new Request_chord;
+               
 
                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";
-               rqc1->add_music (sp1);
-               rqc2->add_music (sk);
-               rqc3->add_music (sp2);
-               
-               ms->add_music (rqc1);
-               ms->add_music (rqc2);
-               ms->add_music (rqc3);
-
-               $$ = 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"));
-                 Simultaneous_music* velt_p = new Request_chord;
 
-                 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());
+               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));;
 
-                 velt_p->add_music (lreq_p);
+               SCM ms = gh_list (rqc1->self_scm (), rqc2->self_scm (), rqc3->self_scm (), SCM_UNDEFINED);
 
-                 delete  $2;
+               $$ = new Sequential_music (ms);
+       }
+       | STRING { 
+               THIS->remember_spot ();
+       } 
+       /* cont */
+       optional_notemode_duration      {
+               if (!THIS->lexer_p_->lyric_state_b ()) {
+                       THIS->pop_spot ().error (_ ("Have to be in Lyric mode for lyrics"));
+                       THIS->error_level_i_  = 1;
+                       THIS->parser_error (_ ("Giving up"));
+               } 
+               else
+                       THIS->pop_spot ();
+               Lyric_req* lreq_p = new Lyric_req;
+               lreq_p ->text_str_ = ly_scm2string ($1);
+               lreq_p->duration_ = *$3;
+               lreq_p->set_spot (THIS->here_input());
+               Simultaneous_music* velt_p = new Request_chord (gh_list (lreq_p->self_scm (), SCM_UNDEFINED));
+
+               delete  $3; // ugh
                $$= velt_p;
 
        }
@@ -1495,9 +1422,11 @@ simple_element:
        }
        ;
 
+
 chord:
        steno_tonic_pitch optional_notemode_duration chord_additions chord_subtractions chord_inversion chord_bass {
-                $$ = THIS->get_chord (*$1, $3, $4, $5, $6, *$2);
+                $$ = get_chord (*$1, $3, $4, $5, $6, *$2);
+               $$->set_spot (THIS->here_input ());
         };
 
 chord_additions: 
@@ -1566,19 +1495,19 @@ 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;
                $$->octave_i_ = $1 > 7 ? 1 : 0;
@@ -1589,43 +1518,91 @@ chord_note:
 /*
        UTILITIES
  */
-pitch_list:                    {
-               $$ = 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 {
+               $$ = scm_product ($1, $3);
+       }
+       | number_expression '/' number_expression {
+               $$ = scm_divide ($1, $3);
        }
-       | int_list int          {
-               $$->push ($2);          
+       | number_expression '+' number_expression {
+               $$ = 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;
        }
        ;
 
@@ -1635,7 +1612,7 @@ string:
                $$ = $1;
        }
        | STRING_IDENTIFIER     {
-               $$ = ly_str02scm ($1->access_content_String (true)->ch_C ());
+               $$ = $1;
        }
        | string '+' string {
                $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
@@ -1657,6 +1634,7 @@ questions:
 semicolon:
        ';'
        ;
+
 %%
 
 void