]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
release: 1.1.1
[lilypond.git] / lily / parser.yy
index 842423e0ea9cf72b0122bdfdf7b7ae0b5bee2c4c..bc0680a3010ba5927cf7b260accd248bd1c67bcd 100644 (file)
@@ -1,19 +1,17 @@
 %{ // -*-Fundamental-*-
 
 /*
-  parser.yy -- YACC -> C++ parser for mudela
+  parser.yy -- Bison/C++ parser for mudela
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-           Jan Nieuwenhuizen <jan@digicash.com>
+  (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+           Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include <iostream.h>
-
-// mmm
-#define MUDELA_VERSION "0.1.9"
-
+#include "lily-guile.hh"
+#include "notename-table.hh"
 #include "scalar.hh"
 #include "translation-property.hh"
 #include "script-def.hh"
 #include "paper-def.hh"
 #include "midi-def.hh"
 #include "main.hh"
+#include "file-path.hh"
 #include "keyword.hh"
 #include "debug.hh"
 #include "parseconstruct.hh"
-#include "dimen.hh"
+#include "dimensions.hh"
 #include "identifier.hh"
 #include "command-request.hh"
 #include "musical-request.hh"
 #include "translator-group.hh"
 #include "score.hh"
 #include "music-list.hh"
-#include "header.hh"
 #include "duration-convert.hh"
 #include "change-translator.hh"
+#include "file-results.hh"
+#include "mudela-version.hh"
+#include "scope.hh"
+#include "relative-music.hh"
+#include "transposed-music.hh"
+#include "compressed-music.hh"
+
+// mmm
+Mudela_version oldest_version ("1.0.7");
+Mudela_version version ("1.0.8");
+
 
 // needed for bison.simple's malloc() and free()
 #include <malloc.h>
@@ -53,6 +62,26 @@ int guess_plet_a[GUESS_PLET] =
   4
 };
 
+struct Assignment {
+       String *name_p_;
+       Identifier *id_p_;
+       ~Assignment () {
+               delete name_p_;
+               delete id_p_;
+       }
+       Assignment () {
+               name_p_ = 0;
+               id_p_ =0;
+       }
+       Assignment (Assignment const&s)
+       {
+               name_p_ = new String (*s.name_p_);
+               id_p_ = s.id_p_->clone ();
+       }
+};
+
+Paper_def* current_paper = 0;
+
 #ifndef NDEBUG
 #define YYDEBUG 1
 #endif
@@ -64,32 +93,33 @@ int guess_plet_a[GUESS_PLET] =
 #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))
 
 %}
 
 
 %union {
     Array<Interval>* intarr;
-    Array<Melodic_req*> *melreqvec;/* should clean up naming */
+    Array<Musical_pitch> *pitch_arr;
     Array<String> * strvec;
     Array<int> *intvec;
     Box *box;
-    Chord * chord;
+    Simultaneous_music *chord;
     Duration *duration;
     Identifier *id;
     Translator* trans;
     Music *music;
-    Music_list *musiclist;
+    Music_list *music_list;
     Score *score;
-    Header *header;
+    Scope *scope;
     Interval *interval;
-    Lookup*lookup;
-    Melodic_req * melreq;
     Musical_req* musreq;
     Music_output_def * outputdef;
+    Musical_pitch * pitch;
     Midi_def* midi;
     Moment *moment;
     Note_req *notereq;
+    Notename_table *notenametab;
     Paper_def *paper;
     Real real;
     Request * request;
@@ -98,7 +128,7 @@ int guess_plet_a[GUESS_PLET] =
     String *string;
     Atom * symbol;
     Symtable * symtable;
-    Symtables * symtables;
+    Symtables* symtables;
     Text_def * textdef;
     Tempo_req *tempo;
     char c;
@@ -126,57 +156,58 @@ yylex (YYSTYPE *s,  void * v_l)
 
 /* tokens which are not keywords */
 
-%token ALIAS
+%token ABSDYNAMIC
+%token ACCEPTS
 %token BAR
 %token BEAMPLET
-%token MAEBTELP
-%token BREAK
 %token CADENZA
-%token CLEAR
 %token CLEF
-%token CONTAINS
-%token CONSISTS
-%token ACCEPTS
 %token CM_T
+%token CONSISTS
 %token DURATION
-%token ABSDYNAMIC
 %token END
+%token FONT
 %token GROUPING
-%token TRANSLATOR
 %token HEADER
 %token IN_T
-%token LYRIC
 %token KEY
-%token MELODIC
+%token KEYSIGNATURE
+%token LYRICS
+%token MAEBTELP
+%token MARK
+%token MEASURES
 %token MIDI
-%token MELODIC_REQUEST
-%token METER
 %token MM_T
-%token MULTI
+%token MUSIC
+%token MUSICAL_PITCH
+%token NAME
 %token NOTENAMES
+%token NOTES
 %token OCTAVE
 %token OUTPUT
 %token PAPER
 %token PARTIAL
+%token PENALTY
 %token PLET
-%token TELP
+%token PROPERTY
 %token PT_T
+%token RELATIVE
+%token REMOVE
+%token SCHEME /* token vs typedef;  can't be named SCM */
 %token SCORE
 %token SCRIPT
 %token SHAPE
 %token SKIP
 %token SPANDYNAMIC
-%token STAFF
-%token START_T
 %token SYMBOLTABLES
 %token TABLE
-%token TRANSPOSE
+%token TELP
 %token TEMPO
+%token TIME_T
+%token TIMES
+%token TRANSLATOR
+%token TRANSPOSE
 %token TYPE
-%token TEXID
-%token TEXTSTYLE
-%token TITLE
-%token PROPERTY
 %token VERSION
 
 /* escaped */
@@ -184,16 +215,16 @@ yylex (YYSTYPE *s,  void * v_l)
 
 %type <i>      dots
 %token <i>     DIGIT
-%token <melreq>        NOTENAME_ID
+%token <pitch> NOTENAME_PITCH
 %token <id>    DURATION_IDENTIFIER
 %token <id>    IDENTIFIER
-%token <id>    MELODIC_REQUEST_IDENTIFIER
+%token <id>    NOTENAME_TABLE_IDENTIFIER
 %token <id>    MUSIC_IDENTIFIER
-%token <id>    VOICE_IDENTIFIER
 %token <id>    POST_REQUEST_IDENTIFIER
 %token <id>    SCRIPT_IDENTIFIER
 %token <id>    COMMAND_IDENTIFIER
 %token <id>    REAL_IDENTIFIER
+%token <id>    STRING_IDENTIFIER
 %token <id>    TRANS_IDENTIFIER
 %token <id>    INT_IDENTIFIER
 %token <id>    SCORE_IDENTIFIER
@@ -204,44 +235,44 @@ yylex (YYSTYPE *s,  void * v_l)
 %token <string>        DURATION RESTNAME
 %token <string>        STRING
 %token <i>     UNSIGNED
-%token <i>     POST_QUOTES
-%token <i>     PRE_QUOTES
+
 
 %type <outputdef> output_def
-%type <header>         mudela_header mudela_header_body
+%type <scope>  mudela_header mudela_header_body
 %type <box>    box
 %type <i>      open_request_parens close_request_parens
-%type <c>      open_abbrev_parens
+%type <i>      open_abbrev_parens
 %type <i>      open_plet_parens close_plet_parens
-%type <music>  simple_element music_elt full_element lyrics_elt command_elt
+%type <i>      sub_quotes sup_quotes
+%type <music>  simple_element  request_chord command_element Simple_music  Composite_music
 %type <i>      abbrev_type
 %type <i>      int unsigned
 %type <i>      script_dir
-%type <id>     identifier_init
-%type <duration> explicit_steno_duration notemode_duration
+%type <id>     identifier_init simple_identifier_init block_identifier
+%type <duration> steno_duration notemode_duration
 %type <duration> entered_notemode_duration explicit_duration
 %type <interval>       dinterval
-%type <intvec> intastint_list
-%type <lookup> symtables symtables_body
-%type <melreq> melodic_request steno_melodic_req
-%type <notereq>        steno_note_req
-%type <melreqvec>      pitch_list
+%type <intvec> intastint_list int_list
+%type <symtables>      symtables symtables_body
+
+%type <pitch>   explicit_musical_pitch steno_musical_pitch musical_pitch absolute_musical_pitch
+%type <notereq>        steno_notepitch
+%type <pitch_arr>      pitch_list
 %type <midi>   midi_block midi_body
-%type <moment> duration_length
+%type <duration>       duration_length
 
 %type <scalar>  scalar
-%type <music>  Music transposed_music
+%type <music>  Music  relative_music Sequential_music Simultaneous_music
 %type <music>  property_def translator_change
-%type <musiclist> Voice Voice_body
-%type <chord>  Chord Chord_body
-%type <paper>  paper_block paper_body
-%type <real>   dim real
-%type <real>   unit
+%type <music_list> Music_list
+%type <paper>  paper_block paper_def_body
+%type <real>   real_expression real dimension
 %type <request> abbrev_command_req
 %type <request>        post_request structured_post_request
 %type <pair>   plet_fraction
 %type <request> command_req verbose_command_req
 %type <request>        script_req  dynamic_req
+%type <string> string
 %type <score>  score_block score_body
 %type <intarr> shape_array
 %type <script> script_definition script_body mudela_script gen_script_def
@@ -251,146 +282,178 @@ yylex (YYSTYPE *s,  void * v_l)
 %type <symtable>       symtable symtable_body
 %type <trans>  translator_spec translator_spec_body
 %type <tempo>  tempo_request
-%type <string> concat_strings
+%type <notenametab> notenames_body notenames_block
+%expect 3
 
-%expect 1
 
+%left '-' '+'
+%left '*' '/'
+%left UNARY_MINUS
 
 %%
 
 mudela:        /* empty */
-       | mudela mudela_header {
-               delete THIS->default_header_p_ ;
-               THIS->default_header_p_ = $2;
-       }
-       | mudela score_block {
-               add_score ($2);
-       }
-       | mudela add_declaration { }
+       | mudela toplevel_expression {}
+       | mudela assignment { }
        | mudela error
        | mudela check_version { }
-       | mudela add_notenames { }
        ;
 
+toplevel_expression:
+       notenames_block                 {
+               THIS->lexer_p_->set_notename_table ($1);
+       }
+       | mudela_header {
+               delete header_global_p;
+               header_global_p = $1;
+       }
+       | 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 {
+               Identifier * id = new
+                       Midi_def_identifier ($1, MIDI_IDENTIFIER);
+               THIS->lexer_p_->set_identifier ("$defaultmidi", id)
+       }
+       | embedded_scm { 
+       }
+       ;
+
+embedded_scm:
+       SCHEME STRING ';' {
+       #ifdef HAVE_LIBGUILE
+               gh_eval_str ($2->ch_l ());
+       #endif
+               delete $2;
+       };
+
 check_version:
        VERSION STRING ';'              {
-               if (String (*$2) != MUDELA_VERSION) {
+               Mudela_version ver (*$2);
+               if (!((ver >= oldest_version) && (ver <= version))) {
                        if (THIS->ignore_version_b_) {
-                               THIS->here_input ().error ("Incorrect mudela version");
+                               THIS->here_input ().error (_f ("incorrect mudela version: %s (%s, %s)", ver.str (), oldest_version.str (), version.str ()));
                        } else {
                                THIS->fatal_error_i_ = 1;
-                               THIS->parser_error ("Incorrect mudela version");
+                               THIS->parser_error (_f ("incorrect mudela version: %s (%s, %s)", ver.str (), oldest_version.str (), version.str ()));
                        }
                }
        }
        ;
 
-add_notenames:
-       NOTENAMES '{' notenames_body '}'
+
+notenames_block:
+       NOTENAMES '{' notenames_body '}'  {  $$ = $3; }
        ;
+
+
+
 notenames_body:
        /**/    {
+               $$ = new Notename_table;
        }
-       | notenames_body CLEAR  {
-               THIS->clear_notenames ();
+       | NOTENAME_TABLE_IDENTIFIER     {
+               $$ = $1-> access_content_Notename_table(true);
        }
-       | notenames_body STRING '=' melodic_request {
-               THIS->add_notename (*$2, $4);
+       | notenames_body STRING '=' explicit_musical_pitch {
+               (*$$)[*$2] = *$4;
+
+               delete $4;
                delete $2;
        }
        ;
 
 mudela_header_body:
-               {
-               $$ = new Header;
+       {
+               $$ = new Scope;
+               THIS->lexer_p_-> scope_l_arr_.push ($$);
        }
-       | mudela_header_body STRING '=' concat_strings ';' {
-               (*$$)[*$2] = *$4;
-               delete $2;
-               delete $4;
+       | mudela_header_body assignment ';' { 
+
        }
        ;
 
 mudela_header:
        HEADER '{' mudela_header_body '}'       {
                $$ = $3;
+               THIS->lexer_p_-> scope_l_arr_.pop ();           
        }
        ;
 
 
-concat_strings:
-               {
-               $$ = new String;
-       }
-       | concat_strings STRING {
-               *$$ += *$2;
-       }
-
-
 /*
        DECLARATIONS
 */
-
-add_declaration:
+assignment:
        STRING {
                THIS->remember_spot ();
        }
-       /* cont */ '=' identifier_init {
+       /* cont */ '=' identifier_init  {
            THIS->lexer_p_->set_identifier (*$1, $4);
            $4->init_b_ = THIS->init_parse_b_;
            $4->set_spot (THIS->pop_spot ());
        }
        ;
 
+
+simple_identifier_init: identifier_init
+       ;
+
 identifier_init:
+       block_identifier
+       ;
+
+block_identifier:
        score_block {
-               $$ = new Score_id ($1, SCORE_IDENTIFIER);
+               $$ = new Score_identifier ($1, SCORE_IDENTIFIER);
 
        }
+       | notenames_block {
+               $$ = new Notename_table_identifier ($1, NOTENAME_TABLE_IDENTIFIER);
+       }
        | paper_block {
-               $$ = new Paper_def_id ($1, PAPER_IDENTIFIER);
-
+               $$ = new Paper_def_identifier ($1, PAPER_IDENTIFIER);
        }
        | midi_block {
-               $$ = new Midi_def_id ($1, MIDI_IDENTIFIER);
+               $$ = new Midi_def_identifier ($1, MIDI_IDENTIFIER);
 
        }
-       | script_definition {
-               $$ = new Script_id ($1, SCRIPT_IDENTIFIER);
-
+       | symtables {
+               $$ = new Symtables_identifier ($1, IDENTIFIER);
        }
-       | Music  {
-               $$ = new Music_id ($1, MUSIC_IDENTIFIER);
-
+       | translator_spec {
+               $$ = new Translator_identifier ($1, TRANS_IDENTIFIER);
        }
-       | symtables {
-               $$ = new Lookup_id ($1, IDENTIFIER);
-
+       | Music  {
+               $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
        }
-       | real  {
-               $$ = new Real_id (new Real ($1), REAL_IDENTIFIER);
 
+       | post_request {
+               $$ = new Request_identifier ($1, POST_REQUEST_IDENTIFIER);
        }
-       | int   {
-               $$ = new Int_id (new int ($1), INT_IDENTIFIER);
+       | explicit_duration {
+               $$ = new Duration_identifier ($1, DURATION_IDENTIFIER);
        }
-       | post_request {
-               $$ = new Request_id ($1, POST_REQUEST_IDENTIFIER);
+       | real {
+               $$ = new Real_identifier (new Real ($1), REAL_IDENTIFIER);
        }
-       | melodic_request {
-               $$ = new Request_id ($1, MELODIC_REQUEST_IDENTIFIER);
-
+       | string {
+               $$ = new String_identifier ($1, STRING_IDENTIFIER);
        }
-       | translator_spec {
-               $$ = new Translator_id ($1, TRANS_IDENTIFIER);
+       | int   {
+               $$ = new int_identifier (new int ($1), INT_IDENTIFIER);
        }
-       | explicit_duration {
-               $$ = new Duration_id ($1, DURATION_IDENTIFIER);
+       | script_definition {
+               $$ = new General_script_def_identifier ($1, SCRIPT_IDENTIFIER);
+
        }
        ;
 
-
-
 translator_spec:
        TRANSLATOR '{' translator_spec_body '}'
                { $$ = $3; }
@@ -398,25 +461,51 @@ translator_spec:
 
 translator_spec_body:
        TRANS_IDENTIFIER        {
-               $$ = $1->translator ();
+               $$ = $1->access_content_Translator (true);
                $$-> set_spot (THIS->here_input ());
        }
        | TYPE STRING ';'       {
-               $$ = get_translator_l (*$2)->clone ();
-               $$->set_spot (THIS->here_input ());
+               Translator* t = get_translator_l (*$2);
+               Translator_group * tg = dynamic_cast<Translator_group*> (t);
+
+               if (!tg)
+                       THIS->parser_error (_("Need a translator group for a context"));
+               
+               t = t->clone ();
+               t->set_spot (THIS->here_input ());
+               $$ = t;
                delete $2;
        }
-       | translator_spec_body STRING '=' scalar ';'    {
-               $$-> set_property (*$2, *$4);
-               delete $2;
+       | translator_spec_body STRING '=' simple_identifier_init ';'    { 
+               Identifier* id = $4;
+               String_identifier *s = dynamic_cast<String_identifier*> (id);
+               Real_identifier *r= dynamic_cast<Real_identifier*>(id);
+               int_identifier *i = dynamic_cast<int_identifier*> (id);
+       
+               String str;
+               if (s) str = *s->access_content_String (false); 
+               if (i) str = to_str (*i->access_content_int (false));
+               if (r) str = to_str (*r->access_content_Real (false));
+               if (!s && !i && !r)
+                       THIS->parser_error (_("Wrong type for property value"));
+
                delete $4;
+               $$->set_property (*$2, str);
        }
-       | translator_spec_body CONSISTS STRING ';'      {
-               $$->group_l ()->consists_str_arr_.push (*$3);
+       | translator_spec_body NAME STRING ';' {
+               $$->type_str_ = *$3;
+               delete $3;
+       }
+       | translator_spec_body CONSISTS STRING ';' {
+               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
                delete $3;
        }
        | translator_spec_body ACCEPTS STRING ';' {
-               $$->group_l ()->accepts_str_arr_.push (*$3);
+               dynamic_cast<Translator_group*> ($$)-> set_acceptor (*$3, true);
+               delete $3;
+       }
+       | translator_spec_body REMOVE STRING ';' {
+               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, false);
                delete $3;
        }
        ;
@@ -432,13 +521,11 @@ score_block:
                $$ = $4;
                $$->set_spot (THIS->pop_spot ());
                if (!$$->def_p_arr_.size ())
-                       $$->add (THIS->default_paper ());
+                       $$->add_output (THIS->default_paper_p ());
 
                /* handle error levels. */
                $$->errorlevel_i_ = THIS->error_level_i_;
                THIS->error_level_i_ = 0;
-               if (!$$->header_p_ && THIS->default_header_p_)
-                       $$->header_p_ = new Header (*THIS->default_header_p_);
        }
        ;
 
@@ -446,18 +533,18 @@ score_body:               {
                $$ = new Score;
        }
        | SCORE_IDENTIFIER {
-               $$ = $1->score ();
+               $$ = $1->access_content_Score (true);
        }
        | score_body mudela_header      {
                $$->header_p_ = $2;
        }
        | score_body Music      {
                if ($$->music_p_)
-                       $2->warning ("More than one music block");      
+                       $2->warning (_ ("More than one music block"));  
                $$->music_p_ = $2;
        }
        | score_body output_def {
-               $$->add ($2);
+               $$->add_output ($2);
        }
        | score_body error {
 
@@ -478,53 +565,112 @@ intastint_list:
        | intastint_list int '*' int    {
                $$->push ($2); $$->push ($4);
        }
-       ;
+       | intastint_list int    {
+               $$->push ($2); $$->push (1);
+       }
+       ;       
 
 
 /*
        PAPER
 */
 paper_block:
-       PAPER
-       '{' paper_body '}'      { $$ = $3; }
+       PAPER '{' paper_def_body '}'    { 
+               $$ = $3;
+               THIS-> lexer_p_->scope_l_arr_.pop ();
+       }
        ;
 
-paper_body:
+optional_semicolon:
+       /* empty */
+       | ';'
+       ;
+
+paper_def_body:
        /* empty */                     {
-               $$ = THIS->default_paper ();
+               Paper_def *p = THIS->default_paper_p ();
+               THIS-> lexer_p_-> scope_l_arr_.push (p->scope_p_);
+               $$ = p;
        }
-       | PAPER_IDENTIFIER      {
-               $$ = $1->paperdef ();
+       | PAPER_IDENTIFIER optional_semicolon   {
+               Paper_def *p = $1->access_content_Paper_def (true);
+               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
+               $$ = p;
        }
-       | paper_body OUTPUT STRING ';'  { 
-               $$->outfile_str_ = *$3;
-               delete $3;
+       | paper_def_body int '=' symtables              { // ugh, what a syntax
+               Lookup * l = new Lookup (*$4);
+               $$->set_lookup ($2, l);
        }
-       | paper_body symtables          { $$->set ($2); }
-       | paper_body STRING '=' dim ';'         {
-               $$->set_var (*$2, $4);
+       | paper_def_body assignment ';' {
+
        }
-       | paper_body STRING '=' real ';' {
-               $$->set_var (*$2, $4);
+       | paper_def_body translator_spec {
+               $$->assign_translator ($2);
        }
-       | paper_body STRING '=' translator_spec {
-               $$-> assign_translator (*$2, $4);
-               delete $2;
-       }
-       | paper_body SHAPE '=' shape_array ';' {
+       | paper_def_body SHAPE '=' shape_array ';' {
                $$->shape_int_a_ = *$4;
                delete $4;
        }
-       | paper_body error {
+       | paper_def_body error {
+
+       }
+       ;
 
+
+real:
+       real_expression         { $$ = $1; }
+       ;
+
+
+dimension:
+       REAL CM_T       {
+               $$ = $1 CM;
+       }
+       | REAL PT_T     {
+               $$ = $1 PT;
+       }
+       | REAL IN_T     {
+               $$ = $1 INCH;
+       }
+       | REAL MM_T     {
+               $$ = $1 MM;
        }
        ;
 
+real_expression:
+       REAL            {
+               $$ = $1;
+       }
+       | dimension
+       | REAL_IDENTIFIER               {
+               $$= *$1->access_content_Real (false);
+       }
+       | '-'  real_expression %prec UNARY_MINUS {
+               $$ = -$2;
+       }
+       | real_expression '*' real_expression {
+               $$ = $1 * $3;
+       }
+       | real_expression '/' real_expression {
+               $$ = $1 / $3;
+       }
+       | real_expression '+' real_expression {
+               $$ = $1  + $3;
+       }
+       | real_expression '-' real_expression {
+               $$ = $1 - $3;
+       }
+       | '(' real_expression ')'       {
+               $$ = $2;
+       }
+       ;
+               
+
 shape_array:
        /* empty */ {
                $$ = new Array<Interval>;
        }
-       | shape_array dim dim {
+       | shape_array real real {
                $$->push(Interval($2, $2 + $3));
        };
 
@@ -538,15 +684,13 @@ midi_block:
        ;
 
 midi_body: /* empty */                 {
-               $$ = THIS->default_midi ();
+               $$ = THIS->default_midi_p ();
        }
-       | midi_body STRING '=' translator_spec  {
-               $$-> assign_translator (*$2, $4);
-               delete $2;
+       | MIDI_IDENTIFIER       {
+               $$ = $1-> access_content_Midi_def (true);
        }
-       | midi_body OUTPUT STRING ';'   {
-               $$->outfile_str_ = *$3;
-               delete $3;
+       | midi_body translator_spec     {
+               $$-> assign_translator ($2);
        }
        | midi_body tempo_request ';' {
                $$->set_tempo ($2->dur_.length (), $2->metronome_i_);
@@ -566,29 +710,42 @@ tempo_request:
        }
        ;
 
-/*
-       MUSIC
-*/
-
-Voice:
-       '{' Voice_body '}'      {
-               $$ = $2;
+Music_list: /* empty */ {
+               $$ = new Music_list;
+       }
+       | Music_list Music {
+               $$->add_music ($2);
+       }
+       | Music_list error {
        }
        ;
 
-Voice_body:
-       /**/            {
-               $$ = new Voice;
-               $$->set_spot (THIS->here_input ());
+
+Music:
+       Simple_music
+       | Composite_music
+       ;
+
+Sequential_music: '{' Music_list '}'           {
+               $$ = new Sequential_music ($2);
        }
-       | Voice_body Music              {
-               $$->add ($2);
+       ;
+
+Simultaneous_music: '<' Music_list '>' {
+               $$ = new Simultaneous_music ($2);
        }
        ;
 
-Music:
-       full_element            { $$ = $1; }
-       | TYPE STRING Music     {
+Simple_music:
+       request_chord           { $$ = $1; }
+       | MUSIC_IDENTIFIER { $$ = $1->access_content_Music (true); }
+       | property_def
+       | translator_change
+       ;
+
+
+Composite_music:
+       TYPE STRING Music       {
                $$ = $3;
                $$->translator_type_str_ = *$2;
                delete $2;
@@ -600,22 +757,38 @@ Music:
                delete $2;
                delete $4;
        }
-       | Voice         { $$ = $1; }
-       | Chord                 { $$ = $1; }
-       | transposed_music      { $$ = $1; }
-       | MUSIC_IDENTIFIER      { $$ = $1->music (); }
-       | MUSIC_IDENTIFIER ';'  { $$ = $1->music (); }
-       | MELODIC
+       | TIMES int '/' int Music       {
+               $$ = new Compressed_music ($2, $4, $5);
+
+       }
+       | Simultaneous_music            { $$ = $1; }
+       | Sequential_music              { $$ = $1; }
+       | TRANSPOSE musical_pitch Music {
+               $$ = new Transposed_music ($3, *$2);
+               delete $2;
+       }
+       | NOTES
                { THIS->lexer_p_->push_note_state (); }
        Music
-               { $$=$3; THIS->lexer_p_->pop_state (); }
+               { $$ = $3;
+                 THIS->lexer_p_->pop_state ();
+               }
 
-       | LYRIC
+       | LYRICS
                { THIS->lexer_p_->push_lyric_state (); }
        Music
-               { $$ = $3; THIS->lexer_p_->pop_state (); }
-       | property_def
-       | translator_change
+               {
+                 $$ = $3;
+                 THIS->lexer_p_->pop_state ();
+               }
+       | relative_music        { $$ = $1; }
+       ;
+
+relative_music:
+       RELATIVE absolute_musical_pitch Music {
+               $$ = new Relative_octave_music ($3, *$2);
+               delete $2;
+       }
        ;
 
 translator_change:
@@ -651,59 +824,20 @@ scalar:
        ;
 
 
-Chord:
-       '<' Chord_body '>'      { $$  = $2; }
-       | MULTI unsigned Chord {
-               $$ = $3;
-               $$->multi_level_i_=$2;
-       }
-       ;
-
-Chord_body:
-       /**/    {
-               $$ = new Chord;
-               $$-> multi_level_i_ = 1;
-               $$->set_spot (THIS->here_input ());
-       }
-       | Chord_body Music {
-               $$->add ($2);
-       }
-       ;
-
-transposed_music:
-       TRANSPOSE steno_melodic_req Music {
-               $$ = $3;
-               $$ -> transpose ($2);
-
-               delete $2;
-       }
-       ;
-
-
-/*
-       VOICE ELEMENTS
-*/
-full_element:
+request_chord:
        pre_requests simple_element post_requests       {
-               THIS->add_requests ((Chord*)$2);//ugh
+               THIS->add_requests ((Simultaneous_music*)$2);//ugh
                $$ = $2;
        }
-       | command_elt
-       | voice_command ';'     { $$ = 0; }
+       | command_element
        ;
 
-simple_element:
-       music_elt
-       | lyrics_elt
-       ;
-
-command_elt:
+command_element:
        command_req {
                $$ = new Request_chord;
                $$-> set_spot (THIS->here_input ());
                $1-> set_spot (THIS->here_input ());
-               ((Chord*)$$) ->add ($1);//ugh
-
+               ((Simultaneous_music*)$$) ->add_music ($1);//ugh
        }
        ;
 
@@ -717,30 +851,48 @@ abbrev_command_req:
                $$ = new Barcheck_req;
        }
        | COMMAND_IDENTIFIER    {
-               $$ = $1->request ();
+               $$ = $1->access_content_Request (true);
        }
+/*
+       | '['           {
+               $$ = new Beam_req;
+               $$->spantype = Span_req::START;
+       }
+       | ']'           {
+               $$ = new Beam_req;
+               $$->spantype = Span_req::STOP;
+       }
+*/
        ;
 
+
 verbose_command_req:
        BAR STRING                      {
                $$ = new Bar_req (*$2);
                delete $2;
        }
-       | BREAK {
-               Break_force_req * f = new Break_force_req;
-               f-> set_spot (THIS->here_input ());
-               $$ = f;
+       | MARK STRING {
+               $$ = new Mark_req (*$2);
+               delete $2;
+       }
+       | MARK unsigned {
+               $$ = new Mark_req (to_str ($2));
        }
-       | METER unsigned '/' unsigned   {
-               Meter_change_req *m = new Meter_change_req;
-               m->set ($2,$4);
+       | TIME_T unsigned '/' unsigned  {
+               Time_signature_change_req *m = new Time_signature_change_req;
+               m->beats_i_ = $2;
+               m->one_beat_i_=$4;
                $$ = m;
        }
+       | PENALTY '=' int       {
+               Break_req * b = new Break_req;
+               b->penalty_i_ = $3;
+               b-> set_spot (THIS->here_input ());
+               $$ = b;
+       }
        | SKIP duration_length {
                Skip_req * skip_p = new Skip_req;
-               skip_p->duration_.set_plet ($2->num (),
-                       $2->den ());
-
+               skip_p->duration_ = *$2;
                delete $2;
                $$ = skip_p;
        }
@@ -751,16 +903,24 @@ verbose_command_req:
                $$ = new Cadenza_req ($2);
        }
        | PARTIAL duration_length       {
-               $$ = new Partial_measure_req (*$2);
+               $$ = new Partial_measure_req ($2->length ());
                delete $2;
        }
        | CLEF STRING {
                $$ = new Clef_change_req (*$2);
                delete $2;
        }
-       | KEY pitch_list        {
+       | KEY NOTENAME_PITCH    {
                Key_change_req *key_p= new Key_change_req;
-               key_p->melodic_p_arr_ = *$2;
+               key_p->pitch_arr_.push(*$2);
+               key_p->ordinary_key_b_ = true;
+               $$ = key_p;
+               delete $2;
+       }
+       | KEYSIGNATURE pitch_list       {
+               Key_change_req *key_p= new Key_change_req;
+               key_p->pitch_arr_ = *$2;
+               key_p->ordinary_key_b_ = false;
                $$ = key_p;
                delete $2;
        }
@@ -798,7 +958,7 @@ structured_post_request:
 
 post_request:
        POST_REQUEST_IDENTIFIER {
-               $$ = (Request*)$1->request ();
+               $$ = (Request*)$1->access_content_Request (true);
        }
        | dynamic_req {
                $$ = $1;
@@ -810,51 +970,77 @@ post_request:
        }
        ;
 
+sup_quotes:
+       '\'' {
+               $$ = 1;
+       }
+       | sup_quotes '\'' {
+               $$ ++;
+       }
+       ;
+sub_quotes:
+       ',' {
+               $$ = 1;
+       }
+       | sub_quotes ',' {
+               $$ ++ ;
+       }
+       ;
 
-
-/*
-       URG!!
-*/
-steno_melodic_req:
-       NOTENAME_ID     {
-               $$ = $1->clone ()->musical ()->melodic ();
-               $$->octave_i_ += THIS->default_octave_i_;
+steno_musical_pitch:
+       NOTENAME_PITCH  {
+               $$ = $1;
        }
-       | steno_melodic_req POST_QUOTES         {
-               $$-> octave_i_ += $2;
+       | NOTENAME_PITCH sup_quotes     {
+               $$ = $1;
+               $$->octave_i_ +=  $2;
        }
-       | PRE_QUOTES steno_melodic_req   {
-               $$ = $2;
-               $2-> octave_i_ -= $1;
+       | NOTENAME_PITCH sub_quotes      {
+               $$ = $1;
+               $$->octave_i_ += - $2;
        }
        ;
 
-steno_note_req:
-       steno_melodic_req       {
+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
+       | explicit_musical_pitch
+       ;
+
+steno_notepitch:
+       musical_pitch   {
                $$ = new Note_req;
-               * (Melodic_req *) $$ = *$1;
+               
+               $$->pitch_ = *$1;
                delete $1;
        }
-       | steno_note_req   '!'          {
+       | steno_notepitch  '!'          {
                $$->forceacc_b_ = ! $$->forceacc_b_;
        }
-       /* have to duration here. */
        ;
 
-melodic_request:
-       MELODIC_REQUEST '{' int int int '}'     {/* ugh */
-               $$ = new Melodic_req;
-               $$->octave_i_ = $3;
-               $$->notename_i_ = $4;
-               $$->accidental_i_ = $5;
-       }
-       ;
 
 explicit_duration:
-       DURATION '{' int unsigned '}'   {
+       DURATION '{' int_list '}'       {
                $$ = new Duration;
-               $$-> durlog_i_ = $3;
-               $$-> dots_i_ = $4;
+               Array<int> &a = *$3;
+               ARRAY_SIZE(a,2);
+                       
+               $$-> durlog_i_ = a[0];
+               $$-> dots_i_ = a[1];
+
+               delete &a;              
        }
        ;
 
@@ -890,22 +1076,19 @@ close_plet_parens:
                $$ = MAEBTELP;
                THIS->plet_.type_i_ = $2[1];
                THIS->plet_.iso_i_ = $2[0];
-               THIS->default_duration_.plet_.type_i_ = $2[1];
-               THIS->default_duration_.plet_.iso_i_ = $2[0];
+               THIS->default_duration_.plet_ = THIS->plet_;
        }
        | TELP {
                $$ = TELP;
                THIS->plet_.type_i_ = 1;
                THIS->plet_.iso_i_ = 1;
-               THIS->default_duration_.plet_.iso_i_ = 1;
-               THIS->default_duration_.plet_.type_i_ = 1;
+               THIS->default_duration_.plet_ = THIS->plet_;
        }
        | TELP plet_fraction {
                $$ = TELP;
                THIS->plet_.type_i_ = $2[1];
                THIS->plet_.iso_i_ = $2[0];
-               THIS->default_duration_.plet_.type_i_ = $2[1];
-               THIS->default_duration_.plet_.iso_i_ = $2[0];
+               THIS->default_duration_.plet_ = THIS->plet_;
        }
        ;
 
@@ -925,17 +1108,16 @@ close_request_parens:
        | E_BIGGER {
                $$ = '>';
        }
-       | close_plet_parens {
-       }
+       | close_plet_parens
        ;
 
 open_abbrev_parens:
        '[' ':' unsigned {
                $$ = '[';
                if (!Duration::duration_type_b ($3))
-                       THIS->parser_error ("1:Not a duration");
+                       THIS->parser_error (_f ("not a duration: %d", $3));
                else if ($3 < 8)
-                       THIS->parser_error ("Can't abbreviate");
+                       THIS->parser_error (_ ("can't abbreviate"));
                else
                        THIS->set_abbrev_beam ($3);
        }
@@ -946,15 +1128,13 @@ open_plet_parens:
                $$ = BEAMPLET;
                THIS->plet_.type_i_ = $2[1];
                THIS->plet_.iso_i_ = $2[0];
-               THIS->default_duration_.plet_.type_i_ = $2[1];
-               THIS->default_duration_.plet_.iso_i_ = $2[0];
+               THIS->default_duration_.plet_ = THIS->plet_;
        }
        | PLET plet_fraction {
                $$ = PLET;
                THIS->plet_.type_i_ = $2[1];
                THIS->plet_.iso_i_ = $2[0];
-               THIS->default_duration_.plet_.type_i_ = $2[1];
-               THIS->default_duration_.plet_.iso_i_ = $2[0];
+               THIS->default_duration_.plet_ = THIS->plet_;
        }
        ;
 
@@ -968,10 +1148,8 @@ open_request_parens:
        | '['   {
                $$='[';
        }
-       | open_abbrev_parens {
-       }
-       | open_plet_parens {
-       }
+       | open_abbrev_parens
+       | open_plet_parens
        ;
 
 
@@ -1003,7 +1181,7 @@ script_req:
 gen_script_def:
        text_def        { 
                $$ = $1;
-               ((Text_def*) $$)->align_i_ = CENTER; /* UGH */
+               ((Text_def*) $$)->align_dir_ = LEFT; /* UGH */
        }
        | mudela_script { 
                $$ = $1;
@@ -1011,17 +1189,16 @@ gen_script_def:
        }
        | finger {
                $$ = $1;
-               ((Text_def*)$$)->align_i_ = CENTER;
+               ((Text_def*)$$)->align_dir_ = RIGHT; /* UGH */
        }
        ;
 
 text_def:
-       STRING {
+       string {
                Text_def *t  = new Text_def;
                $$ = t;
                t->text_str_ = *$1;
                delete $1;
-               t->style_str_ = THIS->textstyle_str_;
                $$->set_spot (THIS->here_input ());
        }
        ;
@@ -1030,7 +1207,7 @@ finger:
         DIGIT {
                Text_def* t  = new Text_def;
                $$ = t;
-               t->text_str_ = String ($1);
+               t->text_str_ = to_str ($1);
                t->style_str_ = "finger";
                $$->set_spot (THIS->here_input ());
        }
@@ -1049,10 +1226,10 @@ script_abbreviation:
        ;
 
 mudela_script:
-       SCRIPT_IDENTIFIER               { $$ = $1->script (); }
+       SCRIPT_IDENTIFIER               { $$ = $1->access_content_General_script_def (true); }
        | script_definition             { $$ = $1; }
        | script_abbreviation           {
-               $$ = THIS->lexer_p_->lookup_identifier (*$1)->script ();
+               $$ = THIS->lexer_p_->lookup_identifier (*$1)->access_content_General_script_def (true);
                delete $1;
        }
        ;
@@ -1075,41 +1252,15 @@ pre_requests:
        }
        ;
 
-voice_command:
-       DURATION STRING {
-               THIS->set_duration_mode (*$2);
-               delete $2;
-       }
-       | DURATION entered_notemode_duration {
-               THIS->set_default_duration ($2);
-               delete $2;
-       }
-       | OCTAVE {
-               /*
-                       This is weird, but default_octave_i_
-                       is used in steno_note_req too
-
-                       c' -> default_octave_i_ == 1
-               */
-               /* why can't we have \oct 0 iso \oct{c'}*/
-               THIS->default_octave_i_ = 1; }
-/* cont */
-       steno_melodic_req {
-               THIS->default_octave_i_ = $3->octave_i_;
-               delete $3;
-       }
-       | TEXTSTYLE STRING      {
-               THIS->textstyle_str_ = *$2;
-               delete $2;
+absolute_musical_pitch:
+       steno_musical_pitch     {
+               $$ = $1;
        }
        ;
 
 duration_length:
-       {
-               $$ = new Moment (0,1);
-       }
-       | duration_length explicit_steno_duration               {
-               *$$ += $2->length ();
+       steno_duration {
+               $$ = $1;
        }
        ;
 
@@ -1126,9 +1277,8 @@ entered_notemode_duration:
                $$ = new Duration (THIS->default_duration_);
                $$->dots_i_  = $1;
        }
-       | explicit_steno_duration       {
+       | steno_duration        {
                THIS->set_last_duration ($1);
-               $$ = $1;
        }
        ;
 
@@ -1138,27 +1288,27 @@ notemode_duration:
        }
        ;
 
-explicit_steno_duration:
+steno_duration:
        unsigned                {
                $$ = new Duration;
                if (!Duration::duration_type_b ($1))
-                       THIS->parser_error ("2:Not a duration");
+                       THIS->parser_error (_f ("not a duration: %d", $1));
                else {
                        $$->durlog_i_ = Duration_convert::i2_type ($1);
-                       $$->set_plet (THIS->default_duration_);
+                       $$->set_plet (THIS->plet_.iso_i_, THIS->plet_.type_i_);
                     }
        }
        | DURATION_IDENTIFIER   {
-               $$ = $1->duration ();
+               $$ = $1->access_content_Duration (true);
        }
-       | explicit_steno_duration '.'   {
+       | steno_duration '.'    {
                $$->dots_i_ ++;
        }
-       | explicit_steno_duration '*' unsigned  {
-               $$->plet_.iso_i_ = $3;
+       | steno_duration '*' unsigned  {
+               $$->plet_.iso_i_ *= $3;
        }
-       | explicit_steno_duration '/' unsigned {
-               $$->plet_.type_i_ = $3;
+       | steno_duration '/' unsigned {
+               $$->plet_.type_i_ *= $3;
        }
        ;
 
@@ -1169,45 +1319,64 @@ abbrev_type:
        }
        | ':' unsigned {
                if (!Duration::duration_type_b ($2))
-                       THIS->parser_error ("3:Not a duration");
+                       THIS->parser_error (_f ("not a duration: %d", $2));
                else if ($2 < 8)
-                       THIS->parser_error ("Can't abbreviate");
+                       THIS->parser_error (_ ("can't abbreviate"));
                $$ = $2;
        }
-
        ;
 
-music_elt:
-       steno_note_req notemode_duration  {
+
+
+simple_element:
+       steno_notepitch notemode_duration  {
                if (!THIS->lexer_p_->note_state_b ())
-                       THIS->parser_error ("have to be in Note mode for notes");
-               $1->set_duration (*$2);
-               int durlog_i = $2->durlog_i_;
+                       THIS->parser_error (_ ("have to be in Note mode for notes"));
+               $1->duration_ = *$2;
                $$ = THIS->get_note_element ($1, $2);
        }
        | RESTNAME notemode_duration            {
                $$ = THIS->get_rest_element (*$1, $2);
-               delete $1;
+               delete $1;  // delete notename
        }
-       ;
+       | MEASURES notemode_duration    {
+               Multi_measure_rest_req* m = new Multi_measure_rest_req;
+               m->duration_ = *$2;
+               delete $2;
 
-lyrics_elt:
-       text_def notemode_duration                      {
-       /* this sux! text-def should be feature of lyric-engraver. */
+               Simultaneous_music*velt_p = new Request_chord;
+               velt_p->set_spot (THIS->here_input ());
+               velt_p->add_music (m);
+               $$ = velt_p;
+       }
+       | STRING notemode_duration                      {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error ("Have to be in Lyric mode for lyrics");
-               $$ = THIS->get_word_element ($1, $2);
+                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
+               $$ = THIS->get_word_element (*$1, $2);
+               delete $1;
+       }
+       ;
 
-       };
 
 /*
        UTILITIES
  */
 pitch_list:                    {
-               $$ = new Array<Melodic_req*>;
+               $$ = new Array<Musical_pitch>;
        }
-       | pitch_list NOTENAME_ID        {
-               $$->push ($2->clone ()->musical ()->melodic ());
+       | pitch_list musical_pitch      {
+               $$->push (*$2);
+               delete $2;
+       }
+       ;
+
+
+int_list:
+       /**/                    {
+               $$ = new Array<int>
+       }
+       | int_list int          {
+               $$->push ($2);          
        }
        ;
 
@@ -1227,36 +1396,26 @@ int:
                $$ = -$2;
        }
        | INT_IDENTIFIER        {
-               int *i_p = $1->intid ();
-               $$ = *i_p;
-               delete i_p;
+               $$ = *$1->access_content_int (false);
        }
        ;
 
-real:
-       REAL            {
+
+string:
+       STRING          {
                $$ = $1;
        }
-       | REAL_IDENTIFIER               {
-               Real *r_p = $1->real ();
-               $$ = * r_p;
-               delete r_p;
+       | STRING_IDENTIFIER     {
+               $$ = $1->access_content_String (true);
+       }
+       | string '+' string {
+               *$$ += *$3;
+               delete $3;
        }
        ;
 
 
 
-dim:
-       real unit       { $$ = $1*$2; }
-       ;
-
-
-unit:  CM_T            { $$ = 1 CM; }
-       |IN_T           { $$ = 1 INCH; }
-       |MM_T           { $$ = 1 MM; }
-       |PT_T           { $$ = 1 PT; }
-       ;
-
 /*
        symbol tables
 */
@@ -1266,13 +1425,17 @@ symtables:
 
 symtables_body:
                        {
-               $$ = new Lookup;
+               $$ = new Symtables;
        }
        | IDENTIFIER            {
-               $$ = $1->lookup ();
+               $$ = $1->access_content_Symtables (true);
        }
-       | symtables_body TEXID STRING           {
-               $$->texsetting = *$3;
+       | symtables_body FONT STRING            {
+               $$->font_ = *$3;
+               $$->font_path_ = global_path.find (*$3);
+               if  (!$$->font_path_.length_i ())
+                       THIS->here_input ().error (_f("can't open file: `%s'", $3->ch_C()));
+
                delete $3;
        }
        | symtables_body STRING '=' symtable            {
@@ -1288,20 +1451,22 @@ symtable:
 symtable_body:
                                { $$ = new Symtable; }
        | symtable_body STRING  symboldef {
-               $$->add (*$2, *$3);
+               $$->elem (*$2) = *$3;
                delete $2;
                delete $3;
        }
        ;
 
 symboldef:
-       STRING  box             {
-               $$ = new Atom (*$1, *$2);
+       STRING unsigned box             {
+               // ignore #args
+               $$ = new Atom (*$1, *$3);
                delete $1;
-               delete $2;
+               delete $3;
        }
-       | STRING {
+       | STRING unsigned {
                Box b (Interval (0,0), Interval (0,0));
+               // ignore #args
                $$ = new Atom (*$1, b);
                delete $1;
        }
@@ -1315,7 +1480,7 @@ box:
        }
        ;
 
-dinterval: dim dim             {
+dinterval: real        real            {
                $$ = new Interval ($1, $2);
        }
        ;
@@ -1335,17 +1500,4 @@ My_lily_parser::do_yyparse ()
        yyparse ((void*)this);
 }
 
-Paper_def*
-My_lily_parser::default_paper ()
-{
-       Identifier *id = lexer_p_->lookup_identifier ("default_paper");
-       return id ? id->paperdef () : new Paper_def ;
-}
-
-Midi_def*
-My_lily_parser::default_midi ()
-{
-       Identifier *id = lexer_p_->lookup_identifier ("default_midi");
-       return id ? id->mididef () : new Midi_def ;
-}