]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
release: 1.3.0
[lilypond.git] / lily / parser.yy
index 88da679854cc51cff3533d770299975735045d82..c5b3927e59392af55540fb7e6a0c1ff7c71d0a74 100644 (file)
@@ -5,14 +5,13 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c)  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
            Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 #include <iostream.h>
 #include "lily-guile.hh"
 #include "notename-table.hh"
-#include "scalar.hh"
 #include "translation-property.hh"
 #include "lookup.hh"
 #include "misc.hh"
 #include "lyric-combine-music.hh"
 #include "transposed-music.hh"
 #include "time-scaled-music.hh"
-#include "new-repeated-music.hh"
+#include "repeated-music.hh"
 #include "mudela-version.hh"
 #include "grace-music.hh"
+#include "auto-change-music.hh"
 
 // mmm
 Mudela_version oldest_version ("1.1.52");
@@ -52,7 +52,8 @@ Mudela_version oldest_version ("1.1.52");
 void
 print_mudela_versions (ostream &os)
 {
-  os << "Oldest supported input version:   " << oldest_version.str () << endl;
+  os << _f ("Oldest supported input version: %s", oldest_version.str ()) 
+    << endl;
 }
 // needed for bison.simple's malloc() and free()
 #include <malloc.h>
@@ -68,7 +69,7 @@ print_mudela_versions (ostream &os)
 #define THIS ((My_lily_parser *) my_lily_parser_l)
 
 #define yyerror THIS->parser_error
-#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f("expecting %d arguments", s))
+#define ARRAY_SIZE(a,s)   if (a.size () != s) THIS->parser_error (_f ("Expecting %d arguments", s))
 
 %}
 
@@ -77,11 +78,11 @@ print_mudela_versions (ostream &os)
     Array<Real>* realarr;
     Array<Musical_pitch> *pitch_arr;
     Link_array<Request> *reqvec;
-    Array<String> * strvec;
     Array<int> *intvec;
     Notename_table *chordmodifiertab;
     Duration *duration;
     Identifier *id;
+    String * string;
     Music *music;
     Music_list *music_list;
     Score *score;
@@ -96,11 +97,14 @@ print_mudela_versions (ostream &os)
     Paper_def *paper;
     Real real;
     Request * request;
-    Scalar *scalar;
 
-    String *string;
+ /* We use SCMs to do strings, because it saves us the trouble of
+deleting them.  Let's hope that a stack overflow doesnt trigger a move
+of the parse stack onto the heap. */
+    SCM scm;
+
     Tempo_req *tempo;
-    Translator* trans;
+    Translator_group* trans;
     char c;
     int i;
     int ii[10];
@@ -123,7 +127,7 @@ yylex (YYSTYPE *s,  void * v_l)
 %pure_parser
 
 /* tokens which are not keywords */
-
+%token AUTOCHANGE
 %token TEXTSCRIPT
 %token ACCEPTS
 %token ALTERNATIVE
@@ -136,6 +140,8 @@ yylex (YYSTYPE *s,  void * v_l)
 %token CLEF
 %token CM_T
 %token CONSISTS
+%token SEQUENTIAL
+%token SIMULTANEOUS
 %token CONSISTSEND
 %token DURATION
 %token EXTENDER
@@ -166,7 +172,6 @@ yylex (YYSTYPE *s,  void * v_l)
 %token REPETITIONS
 %token ADDLYRICS
 %token SCM_T
-%token SCMFILE
 %token SCORE
 %token SCRIPT
 %token SHAPE
@@ -182,7 +187,7 @@ yylex (YYSTYPE *s,  void * v_l)
 %token VERSION
 
 /* escaped */
-%token E_EXCLAMATION E_SMALLER E_BIGGER E_CHAR
+%token E_EXCLAMATION E_SMALLER E_BIGGER E_CHAR CHORD_MINUS CHORD_CARET 
 
 %type <i>      exclamations questions
 %token <i>     DIGIT
@@ -202,8 +207,9 @@ yylex (YYSTYPE *s,  void * v_l)
 %token <id>    MIDI_IDENTIFIER
 %token <id>    PAPER_IDENTIFIER
 %token <real>  REAL
-%token <string>        DURATION RESTNAME
-%token <string>        STRING
+%token <scm>   DURATION RESTNAME
+%token <scm>   STRING
+%token <scm>   SCM_T
 %token <i>     UNSIGNED
 
 
@@ -217,7 +223,7 @@ yylex (YYSTYPE *s,  void * v_l)
 %type <i>      abbrev_type
 %type <i>      int unsigned
 %type <i>      script_dir
-%type <i>      optional_modality
+%type <i>      optional_modality 
 %type <id>     identifier_init  
 %type <duration> steno_duration optional_notemode_duration
 %type <duration> entered_notemode_duration explicit_duration
@@ -234,7 +240,7 @@ yylex (YYSTYPE *s,  void * v_l)
 %type <midi>   midi_block midi_body
 %type <duration>       duration_length
 
-%type <scalar>  scalar
+%type <scm>  embedded_scm scalar
 %type <music>  Music Sequential_music Simultaneous_music Music_sequence
 %type <music>  relative_music re_rhythmed_music
 %type <music>  property_def translator_change
@@ -246,11 +252,11 @@ yylex (YYSTYPE *s,  void * v_l)
 %type <request> command_req verbose_command_req
 %type <request>        extender_req
 %type <request> hyphen_req
-%type <string> string
+%type <scm>    string
 %type <score>  score_block score_body
 %type <realarr>        real_array
 
-%type <string> script_abbreviation
+%type <scm>    script_abbreviation
 %type <trans>  translator_spec_block translator_spec_body
 %type <tempo>  tempo_request
 %type <notenametab> notenames_body notenames_block chordmodifiers_block
@@ -265,7 +271,7 @@ yylex (YYSTYPE *s,  void * v_l)
 
 mudela:        /* empty */
        | mudela toplevel_expression {}
-       | mudela assignment { }
+       | mudela assignment  { }
        | mudela error
        | mudela INVALID        {
                THIS->error_level_i_  =1;
@@ -296,21 +302,14 @@ toplevel_expression:
                        Midi_def_identifier ($1, MIDI_IDENTIFIER);
                THIS->lexer_p_->set_identifier ("$defaultmidi", id)
        }
-       | embedded_scm { 
-       }
+       | embedded_scm {
+               // junk value
+       }       
        ;
 
 embedded_scm:
-       SCMFILE STRING semicolon {
-               read_lily_scm_file (*$2);
-               delete $2;
-       }
-       | SCM_T STRING semicolon {
-               if (THIS->lexer_p_->main_input_b_ && safe_global_b)
-                       error (_("Cannot evaluate Scheme in safe mode"));
-               gh_eval_str ($2->ch_l ());
-               delete $2;
-       };
+       SCM_T
+       ;
 
 
 chordmodifiers_block:
@@ -332,10 +331,9 @@ notenames_body:
                $$ = $1-> access_content_Notename_table(true);
        }
        | notenames_body STRING '=' explicit_musical_pitch {
-               (*$$)[*$2] = *$4;
+               (*$$)[ly_scm2string ($2)] = *$4;
 
                delete $4;
-               delete $2;
        }
        ;
 
@@ -365,7 +363,7 @@ assignment:
                THIS->remember_spot ();
        }
        /* cont */ '=' identifier_init  {
-           THIS->lexer_p_->set_identifier (*$1, $4);
+           THIS->lexer_p_->set_identifier (ly_scm2string ($1), $4);
            $4->init_b_ = THIS->init_parse_b_;
            $4->set_spot (THIS->pop_spot ());
        }
@@ -392,7 +390,7 @@ identifier_init:
 
        }
        | translator_spec_block {
-               $$ = new Translator_identifier ($1, TRANS_IDENTIFIER);
+               $$ = new Translator_group_identifier ($1, TRANS_IDENTIFIER);
        }
        | Music  {
                $$ = new Music_identifier ($1, MUSIC_IDENTIFIER);
@@ -408,7 +406,7 @@ identifier_init:
                $$ = new Real_identifier (new Real ($1), REAL_IDENTIFIER);
        }
        | string {
-               $$ = new String_identifier ($1, STRING_IDENTIFIER);
+               $$ = new String_identifier (new String (ly_scm2string ($1)), STRING_IDENTIFIER);
        }
        | int   {
                $$ = new int_identifier (new int ($1), INT_IDENTIFIER);
@@ -424,20 +422,23 @@ translator_spec_block:
 
 translator_spec_body:
        TRANS_IDENTIFIER        {
-               $$ = $1->access_content_Translator (true);
+               $$ = $1->access_content_Translator_group (true);
                $$-> set_spot (THIS->here_input ());
        }
        | TYPE STRING semicolon {
-               Translator* t = get_translator_l (*$2);
+               Translator* t = get_translator_l (ly_scm2string ($2));
                Translator_group * tg = dynamic_cast<Translator_group*> (t);
 
                if (!tg)
                        THIS->parser_error (_("Need a translator group for a context"));
                
-               t = t->clone ();
-               t->set_spot (THIS->here_input ());
-               $$ = t;
-               delete $2;
+               tg = dynamic_cast<Translator_group*> (t->clone ());
+               tg->set_spot (THIS->here_input ());
+               $$ = tg;
+       }
+       | translator_spec_body STRING '=' embedded_scm                  {
+               Translator_group* tg = dynamic_cast<Translator_group*> ($$);
+               tg->set_property (ly_scm2string ($2), $4);
        }
        | translator_spec_body STRING '=' identifier_init semicolon     { 
                Identifier* id = $4;
@@ -445,37 +446,33 @@ translator_spec_body:
                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));
+               SCM v;
+               if (s) v = ly_ch_C_to_scm (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)
                        THIS->parser_error (_("Wrong type for property value"));
 
                delete $4;
                /* ugh*/
-               Translator_group * tr = dynamic_cast<Translator_group*>($$);
-               tr->set_property (*$2, str);
+               Translator_group* tg = dynamic_cast<Translator_group*> ($$);
+               
+               tg->set_property (ly_scm2string ($2), v);
        }
        | translator_spec_body NAME STRING semicolon {
-               $$->type_str_ = *$3;
-               delete $3;
+               $$->type_str_ = ly_scm2string ($3);
        }
        | translator_spec_body CONSISTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
        }
        | translator_spec_body CONSISTSEND STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), true);
        }
        | translator_spec_body ACCEPTS STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_acceptor (*$3, true);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_acceptor (ly_scm2string ($3), true);
        }
        | translator_spec_body REMOVE STRING semicolon {
-               dynamic_cast<Translator_group*> ($$)-> set_element (*$3, false);
-               delete $3;
+               dynamic_cast<Translator_group*> ($$)-> set_element (ly_scm2string ($3), false);
        }
        ;
 
@@ -549,8 +546,7 @@ paper_def_body:
        }
        | paper_def_body int '=' FONT STRING            { // ugh, what a syntax
                Lookup * l = new Lookup;
-               l->font_name_ = *$5;
-               delete $5;
+               l->font_name_ = ly_scm2string ($5);
                $$->set_lookup ($2, l);
        }
        | paper_def_body assignment semicolon {
@@ -564,7 +560,7 @@ paper_def_body:
                        URG URG.
                */
                if ($3->size () % 2)
-                       warning ("Need even number of args for shape array");
+                       warning (_ ("Need even number of args for shape array"));
 
                for (int i=0; i < $3->size ();  i+=2)
                {
@@ -643,15 +639,21 @@ real_array:
 */
 midi_block:
        MIDI
-
-       '{' midi_body '}'       { $$ = $3; }
+       '{' midi_body '}'       {
+               $$ = $3;
+               THIS-> lexer_p_-> scope_l_arr_.pop();
+       }
        ;
 
 midi_body: /* empty */                 {
-               $$ = THIS->default_midi_p ();
+               Midi_def * p =THIS->default_midi_p ();
+               $$ = p;
+               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
        }
        | MIDI_IDENTIFIER       {
-               $$ = $1-> access_content_Midi_def (true);
+               Midi_def * p =$1-> access_content_Midi_def (true);
+               $$ = p;
+               THIS->lexer_p_->scope_l_arr_.push (p->scope_p_);
        }
        | midi_body assignment semicolon {
 
@@ -712,13 +714,12 @@ Repeated_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->warning (_ ("More alternatives than repeats.  Junking excess alternatives."));
 
                Repeated_music * r = new Repeated_music ($4, $3 >? 1, m);
                $$ = r;
-               r->fold_b_ = (*$2 == "fold");
-               r->semi_fold_b_ =  (*$2 == "semi");
-               delete $2;
+               r->fold_b_ = (ly_scm2string ($2) == "fold");
+               r->volta_fold_b_ =  (ly_scm2string ($2) == "volta");
                r->set_spot ($4->spot  ());
        }
        ;
@@ -729,13 +730,23 @@ Music_sequence: '{' Music_list '}'        {
        }
        ;
 
-Sequential_music: '{' Music_list '}'           {
+Sequential_music:
+       SEQUENTIAL '{' Music_list '}'           {
+               $$ = new Sequential_music ($3);
+               $$->set_spot ($3->spot ());
+       }
+       | '{' Music_list '}'            {
                $$ = new Sequential_music ($2);
                $$->set_spot ($2->spot ());
        }
        ;
 
-Simultaneous_music: '<' Music_list '>' {
+Simultaneous_music:
+       SIMULTANEOUS '{' Music_list '}'{
+               $$ = new Simultaneous_music ($3);
+               $$->set_spot ($3->spot ());
+       }
+       | '<' Music_list '>'    {
                $$ = new Simultaneous_music ($2);
                $$->set_spot ($2->spot ());
        }
@@ -747,11 +758,12 @@ Simple_music:
        | property_def
        | translator_change
        | Simple_music '*' unsigned '/' unsigned        {
-               /* urg */
-               $$ = new Time_scaled_music ($3, $5, $1);
+               $$ = $1;
+               $$->compress (Moment($3, $5 ));
        }
        | Simple_music '*' unsigned              {
-               $$ = new Time_scaled_music ($3, 1, $1);
+               $$ = $1;
+               $$->compress (Moment ($3, 1));
        }
        ;
 
@@ -760,22 +772,26 @@ Composite_music:
        CONTEXT STRING Music    {
                Context_specced_music *csm =  new Context_specced_music ($3);
 
-               csm->translator_type_str_ = *$2;
+               csm->translator_type_str_ = ly_scm2string ($2);
                csm->translator_id_str_ = "";
-               delete $2;
+
 
                $$ = csm;
        }
+       | AUTOCHANGE STRING Music       {
+               Auto_change_music * chm = new Auto_change_music (ly_scm2string ($2), $3);
+
+               $$ = chm;
+               chm->set_spot ($3->spot ());
+       }
        | GRACE Music {
                $$ = new Grace_music ($2);
        }
        | CONTEXT STRING '=' STRING Music {
                Context_specced_music *csm =  new Context_specced_music ($5);
 
-               csm->translator_type_str_ = *$2;
-               csm->translator_id_str_ = *$4;
-               delete $2;
-               delete $4;
+               csm->translator_type_str_ = ly_scm2string ($2);
+               csm->translator_id_str_ = ly_scm2string ($4);
 
                $$ = csm;
        }
@@ -841,38 +857,33 @@ re_rhythmed_music:
 translator_change:
        TRANSLATOR STRING '=' STRING  {
                Change_translator * t = new Change_translator;
-               t-> change_to_type_str_ = *$2;
-               t-> change_to_id_str_ = *$4;
+               t-> change_to_type_str_ = ly_scm2string ($2);
+               t-> change_to_id_str_ = ly_scm2string ($4);
 
                $$ = t;
                $$->set_spot (THIS->here_input ());
-               delete $2;
-               delete $4;
        }
        ;
 
 property_def:
-       PROPERTY STRING '.' STRING '=' scalar {
+       PROPERTY STRING '.' STRING '='  scalar {
                Translation_property *t = new Translation_property;
 
-               t-> var_str_ = *$4;
-               t-> value_ = *$6;
+               t->var_str_ = ly_scm2string ($4);
+               t->value_ = $6;
 
                Context_specced_music *csm = new Context_specced_music (t);
                $$ = csm;
                $$->set_spot (THIS->here_input ());
 
-               csm-> translator_type_str_ = *$2;
-
-               delete $2;
-               delete $4;
-               delete $6;
+               csm-> translator_type_str_ = ly_scm2string ($2);
        }
        ;
 
 scalar:
-       string          { $$ = new Scalar (*$1); delete $1; }
-       | int           { $$ = new Scalar ($1); }
+       string          { $$ = $1; }
+       | int           { $$ = gh_int2scm ($1); }
+       | embedded_scm  { $$ = $1; }
        ;
 
 
@@ -922,11 +933,35 @@ abbrev_command_req:
                b->span_type_str_ = "beam";
                $$ =b;
        }
+       | '[' ':' unsigned {
+               if (!Duration::duration_type_b ($3))
+                 THIS->parser_error (_f ("not a duration: %d", $3));
+               else if ($3 < 8)
+                 THIS->parser_error (_ ("Can't abbreviate"));
+               else
+                 THIS->set_abbrev_beam ($3);
+
+               Chord_tremolo_req* a = new Chord_tremolo_req;
+               a->span_dir_ = START;
+               a->type_i_ = THIS->abbrev_beam_type_i_;
+               $$=a;
+       }
        | ']'           {
-               Span_req*b= new Span_req;
-               b->span_dir_ = STOP;
-               b->span_type_str_ = "beam";
-               $$ = b;
+               if (!THIS->abbrev_beam_type_i_)
+                 {
+                    Span_req*b= new Span_req;
+                    b->span_dir_ = STOP;
+                    b->span_type_str_ = "beam";
+                    $$ = 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);
+                   $$ = a;
+                 }
        }
        | BREATHE {
                $$ = new Breathing_sign_req;
@@ -936,12 +971,11 @@ abbrev_command_req:
 
 verbose_command_req:
        BAR STRING                      {
-               $$ = new Bar_req (*$2);
-               delete $2;
+               $$ = new Bar_req (ly_scm2string ($2));
        }
        | MARK STRING {
-               $$ = new Mark_req (*$2);
-               delete $2;
+               $$ = new Mark_req (ly_scm2string ($2));
+
        }
        | MARK unsigned {
                $$ = new Mark_req (to_str ($2));
@@ -952,10 +986,10 @@ verbose_command_req:
                m->one_beat_i_=$4;
                $$ = m;
        }
-       | PENALTY int   {
+       | PENALTY int   {
                Break_req * b = new Break_req;
-               b->penalty_i_ = $2;
-               b-> set_spot (THIS->here_input ());
+               b->penalty_f_ = $2 / 100.0;
+               b->set_spot (THIS->here_input ());
                $$ = b;
        }
        | SKIP duration_length {
@@ -975,9 +1009,10 @@ verbose_command_req:
                delete $2;
        }
        | CLEF STRING {
-               $$ = new Clef_change_req (*$2);
-               delete $2;
+               $$ = new Clef_change_req (ly_scm2string ($2));
+
        }
+/* UGH. optional.  */
        | KEY NOTENAME_PITCH optional_modality  {
                Key_change_req *key_p= new Key_change_req;
                key_p->key_.pitch_arr_.push (*$2);
@@ -1017,10 +1052,9 @@ request_that_take_dir:
        gen_text_def
        | verbose_request
        | script_abbreviation {
-               Identifier*i = THIS->lexer_p_->lookup_identifier ("dash-" + *$1);
+               Identifier*i = THIS->lexer_p_->lookup_identifier ("dash-" + ly_scm2string ($1));
                Articulation_req *a = new Articulation_req;
                a->articulation_str_ = *i->access_content_String (false);
-               delete $1;
                $$ = a;
        }
        ;
@@ -1030,7 +1064,7 @@ 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->warning (_ ("Can't specify direction for this request"));
                $$ = $2;
        }
        ;
@@ -1042,17 +1076,16 @@ verbose_request:
        }
        | TEXTSCRIPT STRING STRING      {
                Text_script_req *ts_p = new Text_script_req;
-               ts_p-> text_str_ = *$2;
-               ts_p-> style_str_ = *$3;
+               ts_p-> text_str_ = ly_scm2string ($2);
+               ts_p-> style_str_ = ly_scm2string ($3);
                ts_p->set_spot (THIS->here_input ());
-               delete $3;
-               delete $2;
+
                $$ = ts_p;
        }
        | SPANREQUEST int STRING {
                Span_req * sp_p = new Span_req;
                sp_p-> span_dir_  = Direction($2);
-               sp_p->span_type_str_ = *$3;
+               sp_p->span_type_str_ = ly_scm2string ($3);
                sp_p->set_spot (THIS->here_input ());
                $$ = sp_p;
        }
@@ -1064,10 +1097,10 @@ verbose_request:
        }
        | SCRIPT STRING         { 
                Articulation_req * a = new Articulation_req;
-               a->articulation_str_ = *$2;
+               a->articulation_str_ = ly_scm2string ($2);
                a->set_spot (THIS->here_input ());
                $$ = a;
-               delete $2;
+
        }
        ;
 
@@ -1165,7 +1198,7 @@ explicit_duration:
 extender_req:
        EXTENDER {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
                $$ = new Extender_req;
        }
        ;
@@ -1173,7 +1206,7 @@ extender_req:
 hyphen_req:
        HYPHEN {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
                $$ = new Hyphen_req;
        }
        ;
@@ -1227,8 +1260,8 @@ gen_text_def:
        string {
                Text_script_req *t  = new Text_script_req;
                $$ = t;
-               t->text_str_ = *$1;
-               delete $1;
+               t->text_str_ = ly_scm2string ($1);
+
                $$->set_spot (THIS->here_input ());
        }
        | DIGIT {
@@ -1242,22 +1275,22 @@ gen_text_def:
 
 script_abbreviation:
        '^'             {
-               $$ = new String ("hat");
+               $$ = gh_str02scm  ("hat");
        }
        | '+'           {
-               $$ = new String ("plus");
+               $$ = gh_str02scm("plus");
        }
        | '-'           {
-               $$ = new String ("dash");
+               $$ = gh_str02scm ("dash");
        }
        | '|'           {
-               $$ = new String ("bar");
+               $$ = gh_str02scm ("bar");
        }
        | '>'           {
-               $$ = new String ("larger");
+               $$ = gh_str02scm ("larger");
        }
        | '.'           {
-               $$ = new String ("dot");
+               $$ = gh_str02scm ("dot");
        }
        ;
 
@@ -1336,7 +1369,7 @@ abbrev_type:
                if (!Duration::duration_type_b ($2))
                        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;
        }
        ;
@@ -1345,7 +1378,7 @@ abbrev_type:
 simple_element:
        musical_pitch exclamations questions optional_notemode_duration {
                if (!THIS->lexer_p_->note_state_b ())
-                       THIS->parser_error (_ ("have to be in Note mode for notes"));
+                       THIS->parser_error (_ ("Have to be in Note mode for notes"));
 
 
                Note_req *n = new Note_req;
@@ -1354,6 +1387,13 @@ simple_element:
                delete $1;
                n->duration_ = *$4;
                delete $4;
+               if (THIS->abbrev_beam_type_i_)
+                 {
+                   if (n->duration_.plet_b ())
+                     THIS->parser_error (_ ("Can't abbreviate tuplet"));
+                   else
+                     n->duration_.set_plet (1, 2);
+                 }
                n->cautionary_b_ = $3 % 2;
                n->forceacc_b_ = $2 % 2 || n->cautionary_b_;
 
@@ -1366,8 +1406,8 @@ simple_element:
                $$ = v;
        }
        | RESTNAME optional_notemode_duration           {
-               $$ = THIS->get_rest_element (*$1, $2);
-               delete $1;  // delete notename
+               $$ = THIS->get_rest_element (ly_scm2string ($1), $2);
+
        }
        | MEASURES optional_notemode_duration   {
                Multi_measure_rest_req* m = new Multi_measure_rest_req;
@@ -1391,13 +1431,13 @@ simple_element:
        }
        | STRING optional_notemode_duration     {
                if (!THIS->lexer_p_->lyric_state_b ())
-                       THIS->parser_error (_ ("have to be in Lyric mode for lyrics"));
-               $$ = THIS->get_word_element (*$1, $2);
-               delete $1;
+                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+               $$ = THIS->get_word_element (ly_scm2string ($1), $2);
+
        }
        | chord {
                if (!THIS->lexer_p_->chord_state_b ())
-                       THIS->parser_error (_ ("have to be in Chord mode for chords"));
+                       THIS->parser_error (_ ("Have to be in Chord mode for chords"));
                $$ = $1;
        }
        ;
@@ -1411,7 +1451,7 @@ chord_additions:
        {
                $$ = new Array<Musical_pitch>;
        } 
-       | '-' chord_notes {
+       | CHORD_MINUS chord_notes {
                $$ = $2;
        }
        ;
@@ -1430,16 +1470,12 @@ chord_subtractions:
        {
                $$ = new Array<Musical_pitch>;
        } 
-       | '^' chord_notes {
+       | CHORD_CARET chord_notes {
                $$ = $2;
        }
        ;
 
 
-/*
-       forevery : X : optional_X sucks. Devise  a solution.
-*/
-
 chord_inversion:
        {
                $$ = 0;
@@ -1458,7 +1494,7 @@ chord_step:
                $$ = new Array<Musical_pitch>;
                $$->push (*$1);
        }
-       | CHORDMODIFIER_PITCH chord_note {
+       | CHORDMODIFIER_PITCH chord_note { /* Ugh. */
                $$ = new Array<Musical_pitch>;
                $$->push (*$1);
                $$->push (*$2);
@@ -1478,7 +1514,7 @@ chord_note:
                $$->octave_i_ = $1 > 7 ? 1 : 0;
                $$->accidental_i_ = 1;
        }
-       | unsigned '-' {
+       | unsigned CHORD_MINUS {
                $$ = new Musical_pitch;
                $$->notename_i_ = ($1 - 1) % 7;
                $$->octave_i_ = $1 > 7 ? 1 : 0;
@@ -1535,11 +1571,10 @@ string:
                $$ = $1;
        }
        | STRING_IDENTIFIER     {
-               $$ = $1->access_content_String (true);
+               $$ = ly_ch_C_to_scm ($1->access_content_String (true)->ch_C ());
        }
        | string '+' string {
-               *$$ += *$3;
-               delete $3;
+               $$ = scm_string_append (scm_listify ($1, $3, SCM_UNDEFINED));
        }
        ;