]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
* Documentation/user/point-and-click.itely: simplify p&c
[lilypond.git] / lily / parser.yy
index 6de53f89787e40ba08df7370e0ad489369fa61d2..70f35f500000a3fb516bd9541d17c17bef939723 100644 (file)
@@ -5,30 +5,30 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+  (c) 1997--2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
                  Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
 /*
+FIXME:
 
-TODO:
-
-* The rules for who is protecting what are very shady. Uniformise
-  this.
-
-* There are too many lexical modes?
+   * The rules for who is protecting what are very shady.  Uniformise
+     this.
 
+   * There are too many lexical modes?
 */
 
-#include <ctype.h>
-#include <stdlib.h>
-#include <stdio.h>
+#include "config.hh"
 
+#include <cctype>
+#include <cstdlib>
+#include <cstdio>
+using namespace std;
 
 #include "book.hh"
 #include "context-def.hh"
 #include "dimensions.hh"
-#include "event.hh"
+#include "music.hh"
 #include "file-path.hh"
 #include "input-smob.hh"
 #include "input.hh"
@@ -36,17 +36,16 @@ TODO:
 #include "lilypond-input-version.hh"
 #include "main.hh"
 #include "misc.hh"
-#include "music-list.hh"
-#include "music-sequence.hh"
 #include "lily-lexer.hh"
 #include "lily-parser.hh"
 #include "paper-book.hh"
 #include "output-def.hh"
 #include "scm-hash.hh"
-#include "scm-option.hh"
+#include "program-option.hh"
 #include "score.hh"
-#include "text-item.hh"
+#include "text-interface.hh"
 #include "warn.hh"
+#include "music.hh"
 
 #define MY_MAKE_MUSIC(x)  make_music_by_name (ly_symbol2scm (x))
 
@@ -55,6 +54,14 @@ Music *context_spec_music (SCM type, SCM id, Music *m, SCM ops);
 SCM get_next_unique_context_id ();
 SCM get_next_unique_lyrics_context_id ();
 
+#undef _
+#if !HAVE_GETTEXT
+#define _(x) x
+#else
+#include <libintl.h>
+#define _(x) gettext (x)
+#endif
+
 #define YYERROR_VERBOSE 1
 
 #define YYPARSE_PARAM my_lily_parser
@@ -78,10 +85,10 @@ tag_music (Music *m, SCM tag, Input ip)
        SCM tags = m->get_property ("tags");
        if (scm_is_symbol (tag))
                tags = scm_cons (tag, tags);
-       else if (ly_c_list_p (tag))
+       else if (ly_is_list (tag))
                tags = ly_append2 (tag, tags);
        else
-               ip.warning (_ ("Tag must be symbol or list of symbols."));
+               ip.warning (_ ("tag must be symbol or list of symbols"));
 
        m->set_property ("tags", tags);
 }
@@ -122,8 +129,7 @@ get_first_context_id (SCM type, Music *m)
 SCM
 make_simple_markup (SCM a)
 {
-       SCM simple = ly_lily_module_constant ("simple-markup");
-       return scm_list_2 (simple, a);
+       return a;
 }
 
 bool
@@ -157,7 +163,8 @@ make_chord (SCM pitch, SCM dur, SCM modification_list)
 {
        SCM chord_ctor = ly_lily_module_constant ("construct-chord");
        SCM ch = scm_call_3 (chord_ctor, pitch, dur, modification_list);
-       scm_gc_protect_object (ch);
+
+       unsmob_music (ch)->protect();   
        return ch;
 }
 
@@ -165,8 +172,8 @@ make_chord (SCM pitch, SCM dur, SCM modification_list)
 bool
 ly_input_procedure_p (SCM x)
 {
-       return ly_c_procedure_p (x)
-               || (scm_is_pair (x) && ly_c_procedure_p (scm_car (x)));
+       return ly_is_procedure (x)
+               || (scm_is_pair (x) && ly_is_procedure (scm_car (x)));
 }
 
 Music*
@@ -193,7 +200,7 @@ make_music_relative (Pitch start, Music *music)
 Music*
 make_lyric_combine_music (SCM name, Music *music)
 {
-       Music *combine = MY_MAKE_MUSIC ("NewLyricCombineMusic");
+       Music *combine = MY_MAKE_MUSIC ("LyricCombineMusic");
        combine->set_property ("element", music->self_scm ());
        combine->set_property ("associated-context", name);
        return combine;
@@ -205,7 +212,9 @@ make_lyric_combine_music (SCM name, Music *music)
 deleting them.  Let's hope that a stack overflow doesnt trigger a move
 of the parse stack onto the heap. */
 
+%left PREC_TOP
 %left ADDLYRICS
+%left PREC_BOT
 
 %union {
        Book *book;
@@ -219,13 +228,13 @@ of the parse stack onto the heap. */
 %{
 
 int
-yylex (YYSTYPE *s, YYLTYPE *l, void *v)
+yylex (YYSTYPE *s, YYLTYPE *loc, void *v)
 {
        Lily_parser *pars = (Lily_parser*) v;
        Lily_lexer *lex = pars->lexer_;
 
        lex->lexval = (void*) s;
-       lex->lexloc = l;
+       lex->lexloc = loc;
        lex->prepare_for_next_token ();
        return lex->yylex ();
 }
@@ -233,141 +242,148 @@ yylex (YYSTYPE *s, YYLTYPE *l, void *v)
 
 %}
 
-%expect 3
-
-/*
-  Three shift/reduce problems:
-
-2. \markup identifier.
+%expect 1
 
-  (what? --hwn)
+/* One shift/reduce problem
 
-3. \markup { }
-
-  (what? --hwn)
-
-
-4.  \repeat
+1.  \repeat
        \repeat .. \alternative
 
-
     \repeat { \repeat .. \alternative }
 
 or
 
     \repeat { \repeat } \alternative 
-
-)
- */
+*/
 
 
 %pure_parser
 %locations
 
-%token ACCEPTS
-%token ADDQUOTE
-%token LYRICSTO
-%token ALIAS
-%token ALTERNATIVE
-%token BAR
-%token BOOK
-%token CHANGE
+/* The third option is an alias that will be used to display the
+   syntax error.  Bison CVS now correctly handles backslash escapes.
+
+   FIXME: Bison needs to translate some of these, eg, STRING.
+
+*/     
+   
+/* Keyword tokens with plain escaped name.  */
+%token ACCEPTS "\\accepts"
+%token ADDLYRICS "\\addlyrics"
+%token ADDQUOTE "\\addquote"
+%token ALIAS "\\alias"
+%token ALTERNATIVE "\\alternative"
+%token BAR "\\bar"
+%token BOOK "\book"
+%token CHANGE "\\change"
+%token CHORDMODE "\\chordmode"
+%token CHORDS "\\chords"
+%token CLEF "\\clef"
+%token CONSISTS "\\consists"
+%token CONTEXT "\\context"
+%token DEFAULT "\\default"
+%token DEFAULTCHILD "\\defaultchild"
+%token DENIES "\\denies"
+%token DESCRIPTION "\\description"
+%token DRUMMODE "\\drummode"
+%token DRUMS "\\drums"
+%token FIGUREMODE "\\figuremode"
+%token FIGURES "\\figures"
+%token GROBDESCRIPTIONS "\\grobdescriptions"
+%token HEADER "\\header"
+%token INVALID "\\invalid"
+%token KEY "\\key"
+%token LAYOUT "\\layout"
+%token LYRICMODE "\\lyricmode"
+%token LYRICS "\\lyrics"
+%token LYRICSTO "\\lyricsto"
+%token MARK "\\mark"
+%token MARKUP "\\markup"
+%token MIDI "\\midi"
+%token NAME "\\name"
+%token NOTEMODE "\\notemode"
+%token OBJECTID "\\objectid"   
+%token OCTAVE "\\octave"
+%token ONCE "\\once"
+%token OVERRIDE "\\override"
+%token PAPER "\\paper"
+%token PARTIAL "\\partial"
+%token RELATIVE "\\relative"
+%token REMOVE "\\remove"
+%token REPEAT "\\repeat"
+%token REST "\\rest"
+%token REVERT "\\revert"
+%token SCORE "\\score"
+%token SEQUENTIAL "\\sequential"
+%token SET "\\set"
+%token SIMULTANEOUS "\\simultaneous"
+%token SKIP "\\skip"
+%token TAG "\\tag"
+%token TEMPO "\\tempo"
+%token TIMES "\\times"
+%token TRANSPOSE "\\transpose"
+%token TRANSPOSITION "\\transposition"
+%token TYPE "\\type"
+%token UNSET "\\unset"
+%token WITH "\\with"
+
+/* Keyword token exceptions.  */
+%token TIME_T "\\time"
+%token NEWCONTEXT "\\new"
+
+
+/* Other string tokens.  */
+
+%token CHORD_BASS "/+"
+%token CHORD_CARET "^"
+%token CHORD_COLON ":"
+%token CHORD_MINUS "-"
+%token CHORD_SLASH "/"
+%token DOUBLE_ANGLE_CLOSE ">>"
+%token DOUBLE_ANGLE_OPEN "<<"
+%token E_BACKSLASH "\\"
+%token E_ANGLE_CLOSE "\\>"
+%token E_CHAR "\\C[haracter]"
+%token E_CLOSE "\\)"
+%token E_EXCLAMATION "\\!"
+%token E_BRACKET_OPEN "\\["
+%token E_OPEN "\\("
+%token E_BRACKET_CLOSE "\\]"
+%token E_ANGLE_OPEN "\\<"
+%token E_PLUS "\\+"
+%token E_TILDE "\\~"
+%token EXTENDER "__"
+
+/*
+If we give names, Bison complains.
+*/
+%token FIGURE_CLOSE /* "\\>" */
+%token FIGURE_OPEN /* "\\<" */
+%token FIGURE_SPACE "_"
+%token HYPHEN "--"
+
 %token CHORDMODIFIERS
-%token CHORDS
-%token CHORDMODE
-%token DOUBLE_ANGLE_OPEN
-%token DOUBLE_ANGLE_CLOSE
-%token CLEF
-%token COMMANDSPANREQUEST
-%token CONSISTS
-%token CONTEXT
-%token DEFAULT
-%token DENIES
-%token DESCRIPTION
-%token EXTENDER
-%token FIGURES
-%token FIGUREMODE
-%token FIGURE_OPEN FIGURE_CLOSE
-%token FIGURE_BRACKET_CLOSE FIGURE_BRACKET_OPEN
-%token GROBDESCRIPTIONS
-%token HEADER
-%token HYPHEN
-%token INVALID
-%token KEY
-%token LAYOUT
-%token LYRICS
-%token LYRICMODE
-%token MARK
-%token MIDI
+%token LYRIC_MARKUP
 %token MULTI_MEASURE_REST
-%token NAME
-%token NEWCONTEXT
-%token NOTEMODE
-%token OBJECTID        
-%token OCTAVE
-%token ONCE
-%token OVERRIDE SET REVERT
-%token PAPER
-%token PARTIAL
-%token QUOTE
-%token RELATIVE
-%token REMOVE
-%token REPEAT
-%token REST
 %token SCM_T
-%token SCORE
-%token SEQUENTIAL
-%token ADDLYRICS
-%token SIMULTANEOUS
-%token SKIP
-%token SPANREQUEST
-%token TAG
-%token TEMPO
-%token TIMES
-%token TIME_T
-%token TRANSPOSE
-%token TRANSPOSITION
-%token TYPE
-%token UNSET
-%token WITH
-%token MARKUP
-
-/* escaped */
-/* FIXME: this sucks.  The user will get to see these names:
-    syntax error, unexpected E_CHAR:
-               \
-                 %%
-  */
-
-%token E_CHAR E_EXCLAMATION E_SMALLER E_BIGGER E_OPEN E_CLOSE
-%token E_LEFTSQUARE E_RIGHTSQUARE E_TILDE
-%token E_BACKSLASH
-%token CHORD_BASS CHORD_COLON CHORD_MINUS CHORD_CARET  CHORD_SLASH
-%token FIGURE_SPACE
-
-%token <i>     DIGIT
-%token <i>     UNSIGNED
+
+
+%token <i> DIGIT
 %token <i> E_UNSIGNED
-%token <id>    IDENTIFIER
-%token <scm>   CHORDMODIFIER_PITCH
-%token <scm>   DRUM_PITCH
-%token <scm>   DURATION_IDENTIFIER
-%token <scm>   EVENT_IDENTIFIER
-%token <scm>   MUSIC_IDENTIFIER CONTEXT_DEF_IDENTIFIER
-%token <scm>   NOTENAME_PITCH
-%token <scm>   NUMBER_IDENTIFIER
-%token <scm>   OUTPUT_DEF_IDENTIFIER
-%token <scm>   RESTNAME
+%token <i> UNSIGNED
+
+%token <scm> BOOK_IDENTIFIER
+%token <scm> CHORDMODIFIER_PITCH
+%token <scm> CHORD_MODIFIER
+%token <scm> CONTEXT_DEF_IDENTIFIER
+%token <scm> DRUM_PITCH
+%token <scm> DURATION_IDENTIFIER
+%token <scm> EVENT_IDENTIFIER
+%token <scm> FRACTION
 %token <scm> LYRICS_STRING
-%token <scm>   SCM_T
-%token <scm>   SCORE_IDENTIFIER
-%token <scm>   STRING
-%token <scm>   STRING_IDENTIFIER SCM_IDENTIFIER
-%token <scm>   TONICNAME_PITCH
-%token <scm>   CHORD_MODIFIER
-%token <scm>    FRACTION
-%token <scm>   REAL
+%token <scm> LYRIC_MARKUP_IDENTIFIER
 %token <scm> MARKUP_HEAD_EMPTY
+%token <scm> MARKUP_HEAD_LIST0
 %token <scm> MARKUP_HEAD_MARKUP0
 %token <scm> MARKUP_HEAD_MARKUP0_MARKUP1
 %token <scm> MARKUP_HEAD_SCM0
@@ -375,85 +391,152 @@ or
 %token <scm> MARKUP_HEAD_SCM0_SCM1
 %token <scm> MARKUP_HEAD_SCM0_SCM1_MARKUP2
 %token <scm> MARKUP_HEAD_SCM0_SCM1_SCM2
-%token <scm> MARKUP_IDENTIFIER MARKUP_HEAD_LIST0
+%token <scm> MARKUP_IDENTIFIER
 %token <scm> MUSIC_FUNCTION
+%token <scm> MUSIC_FUNCTION_MARKUP 
+%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP 
+%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP_MUSIC 
+%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC 
+%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC 
 %token <scm> MUSIC_FUNCTION_MUSIC 
 %token <scm> MUSIC_FUNCTION_MUSIC_MUSIC 
 %token <scm> MUSIC_FUNCTION_SCM 
-%token <scm> MUSIC_FUNCTION_SCM_SCM 
 %token <scm> MUSIC_FUNCTION_SCM_MUSIC 
 %token <scm> MUSIC_FUNCTION_SCM_MUSIC_MUSIC 
+%token <scm> MUSIC_FUNCTION_SCM_SCM 
 %token <scm> MUSIC_FUNCTION_SCM_SCM_MUSIC 
-%token <scm> MUSIC_FUNCTION_MARKUP 
-%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP 
-%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC 
-%token <scm> MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC 
-%token <scm> MUSIC_FUNCTION_MARKUP_MARKUP_MUSIC 
-
-%token DRUMS
-%token DRUMMODE
-
-
-%type <book>   book_block book_body
-%type <i>      bare_int  bare_unsigned
-%type <i>      exclamations questions dots optional_rest
-%type <i>      script_dir
-%type <i>      sub_quotes sup_quotes
-%type <i>      tremolo_type
-%type <i>      bass_mod
-
-%type <music>  Composite_music Simple_music Prefix_composite_music Generic_prefix_music
-%type <music>  Grouped_music_list
-%type <music>  Music Sequential_music Simultaneous_music
-%type <music>  Repeated_music
-%type <music>  command_req
-%type <music>  gen_text_def direction_less_event direction_reqd_event
-%type <music>  music_property_def context_change
-%type <music>  note_chord_element chord_body chord_body_element
-%type <music>  post_event tagged_post_event
-%type <music>  relative_music re_rhythmed_music
-%type <music>  simple_element event_chord command_element
-%type <music>  string_number_event
-%type <music>  toplevel_music
-%type <music>  tempo_event
-
-%type <outputdef>      output_def_body output_def_head
-%type <outputdef> output_def paper_block 
-
-%type <scm>    Music_list
-%type <scm>    chord_body_elements
-%type <scm>    chord_item chord_items chord_separator new_chord
-%type <scm>    context_def_spec_block context_def_spec_body
-%type <scm>    context_mod context_def_mod optional_context_mod
-%type <scm>    context_prop_spec
-%type <scm>    direction_less_char
-%type <scm>    duration_length fraction
-%type <scm>    embedded_scm scalar
-%type <scm>    identifier_init
-%type <scm>    lilypond_header lilypond_header_body
-%type <scm>    new_lyrics
-%type <scm>    post_events
-%type <scm>    property_operation
-%type <scm>    script_abbreviation
-%type <scm>    simple_string
-%type <scm>    steno_pitch pitch absolute_pitch pitch_also_in_chords
-%type <scm>    steno_tonic_pitch
-%type <scm>    step_number step_numbers 
-%type <scm>    string bare_number number_expression number_term number_factor
-%type <scm>    bass_number br_bass_figure bass_figure figure_list figure_spec
-%type <scm>    context_mod_list
-%type <scm>    octave_check
-%type <scm>    steno_duration optional_notemode_duration multiplied_duration
-%type <scm>    Generic_prefix_music_scm 
-%type <scm>    lyric_element
-%type <scm>     Alternative_music
-%type <scm>    full_markup markup_list markup_composed_list markup_braced_list markup_braced_list_body 
-%type <scm>    markup_head_1_item markup_head_1_list markup simple_markup markup_top
-%type <scm>    mode_changing_head
-%type <scm>    mode_changing_head_with_context
-%type <scm>     object_id_setting 
-
-%type <score>  score_block score_body
+%token <scm> MUSIC_FUNCTION_SCM_SCM_SCM 
+%token <scm> MUSIC_IDENTIFIER
+%token <scm> NOTENAME_PITCH
+%token <scm> NUMBER_IDENTIFIER
+%token <scm> OUTPUT_DEF_IDENTIFIER
+%token <scm> REAL
+%token <scm> RESTNAME
+%token <scm> SCM_IDENTIFIER
+%token <scm> SCM_T
+%token <scm> SCORE_IDENTIFIER
+%token <scm> STRING
+%token <scm> STRING_IDENTIFIER
+%token <scm> TONICNAME_PITCH
+
+
+%type <book> book_block
+%type <book> book_body
+
+%type <i> bare_unsigned
+%type <i> figured_bass_alteration
+%type <i> dots
+%type <i> exclamations
+%type <i> optional_rest
+%type <i> questions
+%type <i> script_dir
+%type <i> sub_quotes
+%type <i> sup_quotes
+%type <i> tremolo_type
+
+%type <music> Composite_music
+%type <music> Generic_prefix_music
+%type <music> Grouped_music_list
+%type <music> Music
+%type <music> Prefix_composite_music
+%type <music> Repeated_music
+%type <music> Sequential_music
+%type <music> Simple_music
+%type <music> Simultaneous_music
+%type <music> chord_body
+%type <music> chord_body_element
+%type <music> command_element
+%type <music> command_event
+%type <music> context_change
+%type <music> direction_less_event
+%type <music> direction_reqd_event
+%type <music> event_chord
+%type <music> gen_text_def
+%type <music> music_property_def
+%type <music> note_chord_element
+%type <music> post_event
+%type <music> re_rhythmed_music
+%type <music> relative_music
+%type <music> simple_element
+%type <music> string_number_event
+%type <music> tagged_post_event
+%type <music> tempo_event
+%type <music> toplevel_music
+
+%type <outputdef> output_def_body
+%type <outputdef> output_def_head
+%type <outputdef> output_def
+%type <outputdef> paper_block 
+
+%type <scm> Alternative_music
+%type <scm> Generic_prefix_music_scm 
+%type <scm> Music_list
+%type <scm> absolute_pitch
+%type <scm> assignment_id
+%type <scm> bare_number
+%type <scm> bass_figure
+%type <scm> figured_bass_modification
+%type <scm> br_bass_figure
+%type <scm> bass_number
+%type <scm> chord_body_elements
+%type <scm> chord_item
+%type <scm> chord_items
+%type <scm> chord_separator
+%type <scm> context_def_mod
+%type <scm> context_def_spec_block
+%type <scm> context_def_spec_body
+%type <scm> context_mod
+%type <scm> context_mod_list
+%type <scm> context_prop_spec
+%type <scm> direction_less_char
+%type <scm> duration_length
+%type <scm> embedded_scm
+%type <scm> figure_list
+%type <scm> figure_spec
+%type <scm> fraction
+%type <scm> full_markup
+%type <scm> identifier_init
+%type <scm> lilypond_header
+%type <scm> lilypond_header_body
+%type <scm> lyric_element
+%type <scm> lyric_markup
+%type <scm> markup
+%type <scm> markup_braced_list
+%type <scm> markup_braced_list_body 
+%type <scm> markup_composed_list
+%type <scm> markup_head_1_item
+%type <scm> markup_head_1_list
+%type <scm> markup_list
+%type <scm> markup_top
+%type <scm> mode_changing_head
+%type <scm> mode_changing_head_with_context
+%type <scm> multiplied_duration
+%type <scm> new_chord
+%type <scm> new_lyrics
+%type <scm> number_expression
+%type <scm> number_factor
+%type <scm> number_term
+%type <scm> object_id_setting
+%type <scm> octave_check
+%type <scm> optional_context_mod
+%type <scm> optional_notemode_duration
+%type <scm> pitch
+%type <scm> pitch_also_in_chords
+%type <scm> post_events
+%type <scm> property_operation
+%type <scm> scalar
+%type <scm> script_abbreviation
+%type <scm> simple_markup
+%type <scm> simple_string
+%type <scm> steno_duration
+%type <scm> steno_pitch
+%type <scm> steno_tonic_pitch
+%type <scm> step_number
+%type <scm> step_numbers 
+%type <scm> string
+
+%type <score> score_block
+%type <score> score_body
 
 
 %left '-' '+'
@@ -485,7 +568,7 @@ object_id_setting:
 
 toplevel_expression:
        lilypond_header {
-               THIS->lexer_->set_identifier (ly_symbol2scm ("$globalheader"), $1);
+               THIS->lexer_->set_identifier (ly_symbol2scm ("$defaultheader"), $1);
        }
        | add_quote {
        
@@ -494,20 +577,24 @@ toplevel_expression:
                Book *book = $1;
                SCM proc = THIS->lexer_->lookup_identifier ("toplevel-book-handler");
                scm_call_2 (proc, THIS->self_scm (), book->self_scm ());
-               scm_gc_unprotect_object (book->self_scm ());
+               book->unprotect ();
        }
        | score_block {
                Score *score = $1;
                
                SCM proc = THIS->lexer_->lookup_identifier ("toplevel-score-handler");
                scm_call_2 (proc, THIS->self_scm (), score->self_scm ());
-               scm_gc_unprotect_object (score->self_scm ());
+               score->unprotect ();
        }
        | toplevel_music {
                Music *music = $1;
                SCM proc = THIS->lexer_->lookup_identifier ("toplevel-music-handler");
                scm_call_2 (proc, THIS->self_scm (), music->self_scm ());
-               scm_gc_unprotect_object (music->self_scm ());
+               music->unprotect (); 
+       }
+       | full_markup {
+               SCM proc = THIS->lexer_->lookup_identifier ("toplevel-text-handler");
+               scm_call_2 (proc, THIS->self_scm (), $1);
        }
        | output_def {
                SCM id = SCM_EOL;
@@ -521,7 +608,7 @@ toplevel_expression:
                        id = ly_symbol2scm ("$defaultlayout");
 
                THIS->lexer_->set_identifier (id, od->self_scm ());
-               scm_gc_unprotect_object (od->self_scm ());
+               od->unprotect();
        }
        ;
 
@@ -538,7 +625,7 @@ embedded_scm:
 
 lilypond_header_body:
        {
-               $$ = ly_make_anonymous_module (be_safe_global);
+               $$ = get_header(THIS);
                THIS->lexer_->add_scope ($$);
        }
        | lilypond_header_body assignment  {
@@ -552,15 +639,19 @@ lilypond_header:
        }
        ;
 
-
 /*
        DECLARATIONS
 */
+assignment_id:
+       STRING          { $$ = $1; }
+       | LYRICS_STRING { $$ = $1; }
+       ;
+
 assignment:
-       STRING '=' identifier_init  {
+       assignment_id '=' identifier_init  {
                if (! is_regular_identifier ($1))
                {
-                       @1.warning (_ ("Identifier should have alphabetic characters only"));
+                       @1.warning (_ ("identifier should have alphabetic characters only"));
                }
 
                THIS->lexer_->set_identifier ($1, $3);
@@ -580,22 +671,26 @@ all objects can be unprotected as soon as they're here.
 identifier_init:
        score_block {
                $$ = $1->self_scm ();
-               scm_gc_unprotect_object ($$);
+               $1->unprotect ();
+       }
+       | book_block {
+               $$ = $1->self_scm ();
+               $1->unprotect ();
        }
        | output_def {
                $$ = $1->self_scm ();
-               scm_gc_unprotect_object ($$);
+               $1->unprotect ();
        }
        | context_def_spec_block {
                $$ = $1;
        }
        | Music  {
                $$ = $1->self_scm ();
-               scm_gc_unprotect_object ($$);
+               $1->unprotect();
        }
        | post_event {
                $$ = $1->self_scm ();
-               scm_gc_unprotect_object ($$);
+               $1->unprotect();
        }
        | number_expression {
                $$ = $1;
@@ -610,7 +705,7 @@ identifier_init:
                $$ = $1;
        }
        | DIGIT {
-               $$ = scm_int2num ($1);
+               $$ = scm_from_int ($1);
        }
        ;
 
@@ -662,23 +757,31 @@ book_body:
                $$ = new Book;
                $$->set_spot (@$);
                $$->paper_ = dynamic_cast<Output_def*> (unsmob_output_def (THIS->lexer_->lookup_identifier ("$defaultpaper"))->clone ());
-               scm_gc_unprotect_object ($$->paper_->self_scm ());
-               $$->header_ = THIS->lexer_->lookup_identifier ("$globalheader"); 
+               $$->paper_->unprotect ();
+               $$->header_ = THIS->lexer_->lookup_identifier ("$defaultheader"); 
+       }
+       | BOOK_IDENTIFIER {
+               $$ = unsmob_book ($1);
+               $$->set_spot (@$);
        }
        | book_body paper_block {
                $$->paper_ = $2;
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        | book_body score_block {
-               Score *score = $2;
-               $$->add_score (score);
+               SCM s = $2->self_scm ();
+               $$->add_score (s);
+               $2->unprotect();
+       }
+       | book_body full_markup {
+               $$->add_score ($2);
        }
        | book_body lilypond_header {
                $$->header_ = $2;
        }
        | book_body error {
                $$->paper_ = 0;
-               $$->scores_.clear();
+               $$->scores_ = SCM_EOL;
        }
        | book_body object_id_setting {
                $$->user_key_ = ly_scm2string ($2);
@@ -692,36 +795,38 @@ score_block:
        ;
 
 score_body:
-       /**/    {
-               $$ = new Score;
+       Music {
+               SCM m = $1->self_scm ();
+               $1->unprotect();
+               SCM scorify = ly_lily_module_constant ("scorify-music");
+               SCM score = scm_call_2 (scorify, m, THIS->self_scm ());
+
+               // pass ownernship to C++ again.
+               $$ = unsmob_score (score);
+               $$->protect ();
                $$->set_spot (@$);
        }
        | SCORE_IDENTIFIER {
-               $$ = new Score ( *unsmob_score ($1));
+               $$ = unsmob_score ($1);
                $$->set_spot (@$);
        }
        | score_body object_id_setting {
                $$->user_key_ = ly_scm2string ($2);
        }
-       | score_body Music {
-               SCM m = $2->self_scm ();
-               scm_gc_unprotect_object (m);
-               $$->set_music (m, THIS->self_scm ());
-       }
        | score_body lilypond_header    {
                $$->header_ = $2;
        }
        | score_body output_def {
                if ($2->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
                {
-                       THIS->parser_error (@2, _("\\paper cannot be in \\score. Use \\layout instead"));
+                       THIS->parser_error (@2, _("\\paper cannot be used in \\score, use \\layout instead"));
                
                }
                else
                {
                        $$->defs_.push ($2);
                }
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        | score_body error {
                $$->error_found_ = true;
@@ -738,7 +843,7 @@ paper_block:
                $$ = $1;
                if ($$->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
                {
-                       THIS->parser_error (@1, _("Need \\paper for paper block."));
+                       THIS->parser_error (@1, _ ("need \\paper for paper block"));
                        $$ = get_paper (THIS);
                }
        }
@@ -781,7 +886,7 @@ output_def_body:
                THIS->lexer_->push_initial_state ();
        }
        | output_def_head '{' OUTPUT_DEF_IDENTIFIER     {
-               scm_gc_unprotect_object ($1->self_scm ());
+               $1->unprotect ();
                Output_def *o = unsmob_output_def ($3);
                o->input_origin_.set_spot (@$);
                $$ = o;
@@ -803,7 +908,7 @@ output_def_body:
                int m = scm_to_int ($2->get_property ("metronome-count"));
                Duration *d = unsmob_duration ($2->get_property ("tempo-unit"));
                set_tempo ($$, d->get_length (), m);
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        | output_def_body error {
 
@@ -814,7 +919,7 @@ tempo_event:
        TEMPO steno_duration '=' bare_unsigned  {
                $$ = MY_MAKE_MUSIC ("MetronomeChangeEvent");
                $$->set_property ("tempo-unit", $2);
-               $$->set_property ("metronome-count", scm_int2num ( $4));
+               $$->set_property ("metronome-count", scm_from_int ( $4));
        }
        ;
 
@@ -832,7 +937,7 @@ Music_list:
        | Music_list Music {
                SCM s = $$;
                SCM c = scm_cons ($2->self_scm (), SCM_EOL);
-               scm_gc_unprotect_object ($2->self_scm ()); /* UGH */
+               $2->unprotect (); /* UGH */
 
                if (scm_is_pair (scm_cdr (s)))
                        scm_set_cdr_x (scm_cdr (s), c); /* append */
@@ -849,7 +954,7 @@ Music_list:
                m->set_property ("error-found", SCM_BOOL_T);
                SCM s = $$;
                SCM c = scm_cons (m->self_scm (), SCM_EOL);
-               scm_gc_unprotect_object (m->self_scm ()); /* UGH */
+               m->unprotect (); /* UGH */
 
                if (scm_is_pair (scm_cdr (s)))
                        scm_set_cdr_x (scm_cdr (s), c); /* append */
@@ -883,7 +988,8 @@ Repeated_music:
                if (times < scm_ilength (alts)) {
                  unsmob_music (scm_car (alts))
                    ->origin ()->warning (
-                   _ ("More alternatives than repeats.  Junking excess alternatives."));
+                   _ ("more alternatives than repeats"));
+                   warning ("junking excess alternatives");
                  alts = ly_truncate_list (times, alts);
                }
 
@@ -891,25 +997,24 @@ Repeated_music:
                SCM proc = ly_lily_module_constant ("make-repeated-music");
 
                SCM mus = scm_call_1 (proc, $2);
-               scm_gc_protect_object (mus); // UGH.
                Music *r = unsmob_music (mus);
+               r->protect ();
                if (beg)
                        {
                        r-> set_property ("element", beg->self_scm ());
-                       scm_gc_unprotect_object (beg->self_scm ());
+                       beg->unprotect ();
                        }
-               r->set_property ("repeat-count", scm_int2num (times >? 1));
+               r->set_property ("repeat-count", scm_from_int (max (times, 1)));
 
                r-> set_property ("elements",alts);
-               if (ly_c_equal_p ($2, scm_makfrom0str ("tremolo"))) {
+               if (ly_is_equal ($2, scm_makfrom0str ("tremolo"))) {
                        /*
                        TODO: move this code to Scheme.
                        */
 
-                       /*
-                       we can not get durations and other stuff correct down the line, so we have to
-                       add to the duration log here.
-                       */
+                       /* we cannot get durations and other stuff
+                          correct down the line,
+                          so we have to add to the duration log here. */
                        SCM func = ly_lily_module_constant ("shift-duration-log");
 
                        int dots = ($3 % 3) ? 0 : 1;
@@ -920,11 +1025,11 @@ Repeated_music:
                        {
                                int list_len = scm_ilength ($4->get_property ("elements"));
                                if (list_len != 2)
-                                       seq->origin ()->warning ("Chord tremolo must have 2 elements.");
+                                       $4->origin ()->warning (_f ("expect 2 elements for Chord tremolo, found %d", list_len));
                                shift -= 1;
                                r->compress (Moment (Rational (1, list_len)));
                        }
-                       scm_call_3 (func, r->self_scm (), scm_int2num (shift), scm_int2num (dots));
+                       scm_call_3 (func, r->self_scm (), scm_from_int (shift), scm_from_int (dots));
 
                }
                r->set_spot (*$4->origin ());
@@ -1010,39 +1115,42 @@ Generic_prefix_music_scm:
        }
        | MUSIC_FUNCTION_MUSIC Music {
                $$ = scm_list_3 ($1, make_input (@$), $2->self_scm ());
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        | MUSIC_FUNCTION_SCM_MUSIC embedded_scm Music {
                $$ = scm_list_4 ($1, make_input (@$), $2, $3->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $3->unprotect ();
        }
        | MUSIC_FUNCTION_SCM_SCM embedded_scm embedded_scm {
                $$ = scm_list_4 ($1, make_input (@$), $2, $3);
        }
+       | MUSIC_FUNCTION_SCM_SCM_SCM embedded_scm embedded_scm embedded_scm {
+               $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4);
+       }
        | MUSIC_FUNCTION_SCM_SCM_MUSIC embedded_scm embedded_scm Music {
                $$ = scm_list_5 ($1, make_input (@$), $2, $3, $4->self_scm ());
        }
        | MUSIC_FUNCTION_MARKUP_MUSIC full_markup Music {
                $$ = scm_list_4 ($1, make_input (@$), $2, $3->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $3->unprotect ();
        }
        | MUSIC_FUNCTION_MARKUP_MARKUP full_markup full_markup {
                $$ = scm_list_4 ($1, make_input (@$), $2, $3);
        }
        | MUSIC_FUNCTION_MUSIC_MUSIC Music Music {
                $$ = scm_list_4 ($1, make_input (@$), $2->self_scm (), $3->self_scm ());
-               scm_gc_unprotect_object ($2->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $2->unprotect ();
+               $3->unprotect ();
        }
        | MUSIC_FUNCTION_SCM_MUSIC_MUSIC embedded_scm Music Music {
                $$ = scm_list_5 ($1, make_input (@$), $2, $3->self_scm (), $4->self_scm ());
-               scm_gc_unprotect_object ($4->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $4->unprotect ();
+               $3->unprotect ();
        }
        | MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC full_markup Music Music {
                $$ = scm_list_5 ($1, make_input (@$), $2, $3->self_scm (), $4->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
-               scm_gc_unprotect_object ($4->self_scm ());
+               $3->unprotect ();
+               $4->unprotect ();
        }
        ;
 
@@ -1070,12 +1178,12 @@ Generic_prefix_music:
                if (unsmob_music (m))
                        {
                        $$ = unsmob_music (m);
-                       scm_gc_protect_object (m);
+                       $$->protect ();
                        }
                else
                        {
                        if (ok)
-                               loc->error (_ ("Music head function should return Music object.")); 
+                               loc->error (_ ("music head function must return Music object")); 
                        $$ = MY_MAKE_MUSIC ("Music");
                        }
                $$->set_spot (*loc);
@@ -1109,9 +1217,9 @@ Prefix_composite_music:
                $$->set_spot (@$);
 
                $$->set_property ("element", mp->self_scm ());
-               scm_gc_unprotect_object (mp->self_scm ());
-               $$->set_property ("numerator", scm_int2num (n));
-               $$->set_property ("denominator", scm_int2num (d));
+               mp->unprotect();
+               $$->set_property ("numerator", scm_from_int (n));
+               $$->set_property ("denominator", scm_from_int (d));
                $$->compress (Moment (Rational (n,d)));
 
        }
@@ -1124,7 +1232,7 @@ Prefix_composite_music:
 
                p->transpose (pitch_interval (from, to));
                $$->set_property ("element", p->self_scm ());
-               scm_gc_unprotect_object (p->self_scm ());
+               p->unprotect();
        }
        | mode_changing_head Grouped_music_list {
                if ($1 == ly_symbol2scm ("chords"))
@@ -1132,7 +1240,7 @@ Prefix_composite_music:
                  Music *chm = MY_MAKE_MUSIC ("UnrelativableMusic");
                  chm->set_property ("element", $2->self_scm ());
                  $$ = chm;
-                 scm_gc_unprotect_object ($2->self_scm ());
+                 $2->unprotect();
                }
                else
                {
@@ -1147,7 +1255,7 @@ Prefix_composite_music:
                {
                  Music *chm = MY_MAKE_MUSIC ("UnrelativableMusic");
                  chm->set_property ("element", $$->self_scm ());
-                 scm_gc_unprotect_object ($$->self_scm ());
+                 $$->unprotect();
                  $$ = chm;
                }
                THIS->lexer_->pop_state ();
@@ -1224,14 +1332,14 @@ relative_music:
                Music *m = $3;
                Pitch start = *unsmob_pitch ($2);
                $$ = make_music_relative (start, m);
-               scm_gc_unprotect_object (m->self_scm ());
+               m->unprotect();
        }
        | RELATIVE Composite_music {
                Music *m = $2;
 
                Pitch middle_c (0, 0, 0);
                $$ = make_music_relative (middle_c, m);
-               scm_gc_unprotect_object (m->self_scm ());
+               m->unprotect();
        }
        ;
 
@@ -1280,16 +1388,16 @@ re_rhythmed_music:
                all->set_property ("elements", scm_cons (voice->self_scm (),
                        lst));
                $$ = all;
-               scm_gc_unprotect_object (voice->self_scm ());
+               voice->unprotect ();
        }
-       | LYRICSTO {
+       | LYRICSTO simple_string {
                THIS->lexer_->push_lyric_state ();
-       } simple_string Music {
+       } Music {
                THIS->lexer_->pop_state ();
                Music *music = $4;
-               SCM name = $3;
+               SCM name = $2;
                $$ = make_lyric_combine_music (name, music);
-               scm_gc_unprotect_object (music->self_scm ());
+               music->unprotect();
        }
        ;
 
@@ -1315,7 +1423,11 @@ property_operation:
        }
        | OVERRIDE simple_string embedded_scm '=' embedded_scm {
                $$ = scm_list_4 (ly_symbol2scm ("push"),
-                       scm_string_to_symbol ($2), $3, $5);
+                       scm_string_to_symbol ($2), $5, $3);
+       }
+       | OVERRIDE simple_string embedded_scm embedded_scm '=' embedded_scm {
+               $$ = scm_list_5 (ly_symbol2scm ("push"),
+                               scm_string_to_symbol ($2), $6, $4, $3);
        }
        | REVERT simple_string embedded_scm {
                $$ = scm_list_3 (ly_symbol2scm ("pop"),
@@ -1328,6 +1440,7 @@ context_def_mod:
        | REMOVE { $$ = ly_symbol2scm ("remove"); }
 
        | ACCEPTS { $$ = ly_symbol2scm ("accepts"); }
+       | DEFAULTCHILD { $$ = ly_symbol2scm ("default-child"); }
        | DENIES { $$ = ly_symbol2scm ("denies"); }
 
        | ALIAS { $$ = ly_symbol2scm ("alias"); }
@@ -1362,10 +1475,17 @@ context_prop_spec:
 music_property_def:
        OVERRIDE context_prop_spec embedded_scm '=' scalar {
                $$ = property_op_to_music (scm_list_4 (
-                       ly_symbol2scm ("poppush"),
+                       ly_symbol2scm ("push"),
                        scm_cadr ($2),
-                       $3, $5));
-               $$= context_spec_music (scm_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
+                       $5, $3));
+               $$ = context_spec_music (scm_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
+       }
+       | OVERRIDE context_prop_spec embedded_scm  embedded_scm '=' scalar {
+               $$ = property_op_to_music (scm_list_5 (
+                       ly_symbol2scm ("push"),
+                       scm_cadr ($2),
+                       $6, $4, $3));
+               $$ = context_spec_music (scm_car ($2), SCM_UNDEFINED, $$, SCM_EOL);
        }
        | REVERT context_prop_spec embedded_scm {
                $$ = property_op_to_music (scm_list_3 (
@@ -1415,6 +1535,9 @@ simple_string: STRING {
        | LYRICS_STRING {
                $$ = $1;
        }
+       | STRING_IDENTIFIER {
+               $$ = $1;
+       }
        ;
 
 scalar: string {
@@ -1423,8 +1546,8 @@ scalar: string {
        | LYRICS_STRING {
                $$ = $1;
        }
-        | bare_int {
-               $$ = scm_int2num ($1);
+       | bare_number {
+               $$ = $1;
        }
         | embedded_scm {
                $$ = $1;
@@ -1433,7 +1556,7 @@ scalar: string {
                $$ = $1;
        }
        | DIGIT {
-               $$ = scm_int2num ($1);
+               $$ = scm_from_int ($1);
        }
        ;
 
@@ -1521,7 +1644,7 @@ chord_body_elements:
        /* empty */             { $$ = SCM_EOL; }
        | chord_body_elements chord_body_element {
                $$ = scm_cons ($2->self_scm (), $1);
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        ;
 
@@ -1548,7 +1671,7 @@ chord_body_element:
                if (scm_is_number (check))
                {
                        int q = scm_to_int (check);
-                       n->set_property ("absolute-octave", scm_int2num (q-1));
+                       n->set_property ("absolute-octave", scm_from_int (q-1));
                }
 
                
@@ -1573,15 +1696,15 @@ add_quote:
                SCM adder = ly_lily_module_constant ("add-quotable");
                
                scm_call_2 (adder, $2, $3->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $3->unprotect();
        }
        ;
 
 command_element:
-       command_req {
+       command_event {
                $$ = MY_MAKE_MUSIC ("EventChord");
                $$->set_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
-               scm_gc_unprotect_object ($1->self_scm ());
+               $1->unprotect();
 
                $$-> set_spot (@$);
                $1-> set_spot (@$);
@@ -1598,25 +1721,25 @@ command_element:
                $$->set_spot (@$);
                $$->set_property ("pitch", $2);
        }
-       | E_LEFTSQUARE {
+       | E_BRACKET_OPEN {
                Music *m = MY_MAKE_MUSIC ("LigatureEvent");
-               m->set_property ("span-direction", scm_int2num (START));
+               m->set_property ("span-direction", scm_from_int (START));
                m->set_spot (@$);
 
                $$ = MY_MAKE_MUSIC ("EventChord");
                $$->set_property ("elements", scm_cons (m->self_scm (), SCM_EOL));
-               scm_gc_unprotect_object (m->self_scm ());
+               m->unprotect();
                $$->set_spot (@$);
        }
-       | E_RIGHTSQUARE {
+       | E_BRACKET_CLOSE {
                Music *m = MY_MAKE_MUSIC ("LigatureEvent");
-               m->set_property ("span-direction", scm_int2num (STOP));
+               m->set_property ("span-direction", scm_from_int (STOP));
                m->set_spot (@$);
 
                $$ = MY_MAKE_MUSIC ("EventChord");
                $$->set_property ("elements", scm_cons (m->self_scm (), SCM_EOL));
                $$->set_spot (@$);
-               scm_gc_unprotect_object (m->self_scm ());
+               m->unprotect ();
        }
        | E_BACKSLASH {
                $$ = MY_MAKE_MUSIC ("VoiceSeparator");
@@ -1664,26 +1787,26 @@ command_element:
                SCM proc = ly_lily_module_constant ("make-clef-set");
 
                SCM result = scm_call_1 (proc, $2);
-               scm_gc_protect_object (result);
                $$ = unsmob_music (result);
+               $$->protect ();
        }
        | TIME_T fraction  {
                SCM proc = ly_lily_module_constant ("make-time-signature-set");
 
                SCM result = scm_apply_2   (proc, scm_car ($2), scm_cdr ($2), SCM_EOL);
-               scm_gc_protect_object (result);
                $$ = unsmob_music (result);
+               $$->protect ();
        }
        | MARK scalar {
                SCM proc = ly_lily_module_constant ("make-mark-set");
 
                SCM result = scm_call_1 (proc, $2);
-               scm_gc_protect_object (result);
                $$ = unsmob_music (result);
+               $$->protect ();
        }
        ;
 
-command_req:
+command_event:
        E_TILDE {
                $$ = MY_MAKE_MUSIC ("PesOrFlexaEvent");
        }
@@ -1704,10 +1827,10 @@ command_req:
                if (scm_ilength ($3) > 0)
                {               
                        key->set_property ("pitch-alist", $3);
-                       key->set_property ("tonic", Pitch (0,0,0).smobbed_copy ());
+                       key->set_property ("tonic", Pitch (0, 0, 0).smobbed_copy ());
                        key->transpose (* unsmob_pitch ($2));
                } else {
-                       THIS->parser_error (@3, _ ("Second argument must be pitch list."));
+                       THIS->parser_error (@3, _ ("second argument must be pitch list"));
                }
 
                $$ = key;
@@ -1722,12 +1845,12 @@ post_events:
        | post_events post_event {
                $2->set_spot (@2);
                $$ = scm_cons ($2->self_scm (), $$);
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        | post_events tagged_post_event {
                $2 -> set_spot (@2);
                $$ = scm_cons ($2->self_scm (), $$);
-               scm_gc_unprotect_object ($2->self_scm ());
+               $2->unprotect ();
        }
        ;
 
@@ -1746,22 +1869,22 @@ post_event:
        }
        | HYPHEN {
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (@1, _ ("Have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
                $$ = MY_MAKE_MUSIC ("HyphenEvent");
        }
        | EXTENDER {
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (@1, _ ("Have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
                $$ = MY_MAKE_MUSIC ("ExtenderEvent");
        }
        | script_dir direction_reqd_event {
                if ($1)
-                       $2->set_property ("direction", scm_int2num ($1));
+                       $2->set_property ("direction", scm_from_int ($1));
                $$ = $2;
        }
        | script_dir direction_less_event {
                if ($1)
-                       $2->set_property ("direction", scm_int2num ($1));
+                       $2->set_property ("direction", scm_from_int ($1));
                $$ = $2;
        }
        | string_number_event
@@ -1770,7 +1893,7 @@ post_event:
 string_number_event:
        E_UNSIGNED {
                Music *s = MY_MAKE_MUSIC ("StringNumberEvent");
-               s->set_property ("string-number", scm_int2num ($1));
+               s->set_property ("string-number", scm_from_int ($1));
                s->set_spot (@$);
                $$ = s;
        }
@@ -1801,10 +1924,10 @@ direction_less_char:
        | E_CLOSE  {
                $$ = ly_symbol2scm ("escapedParenthesisCloseSymbol");
        }
-       | E_BIGGER  {
+       | E_ANGLE_CLOSE  {
                $$ = ly_symbol2scm ("escapedBiggerSymbol");
        }
-       | E_SMALLER  {
+       | E_ANGLE_OPEN  {
                $$ = ly_symbol2scm ("escapedSmallerSymbol");
        }
        ;
@@ -1830,7 +1953,7 @@ direction_less_event:
        | tremolo_type  {
                Music *a = MY_MAKE_MUSIC ("TremoloEvent");
                a->set_spot (@$);
-               a->set_property ("tremolo-type", scm_int2num ($1));
+               a->set_property ("tremolo-type", scm_from_int ($1));
                $$ = a;
         }
        ;       
@@ -1844,16 +1967,16 @@ direction_reqd_event:
                Music *a = MY_MAKE_MUSIC ("ArticulationEvent");
                if (scm_is_string (s))
                        a->set_property ("articulation-type", s);
-               else THIS->parser_error (@1, _ ("Expecting string as script definition"));
+               else THIS->parser_error (@1, _ ("expecting string as script definition"));
                $$ = a;
        }
        ;
 
 octave_check:
        /**/ { $$ = SCM_EOL; }
-       | '='  { $$ = scm_int2num (0); }
-       | '=' sub_quotes { $$ = scm_int2num ($2); }
-       | '=' sup_quotes { $$ = scm_int2num ($2); }
+       | '='  { $$ = scm_from_int (0); }
+       | '=' sub_quotes { $$ = scm_from_int ($2); }
+       | '=' sup_quotes { $$ = scm_from_int ($2); }
        ;
 
 sup_quotes:
@@ -1939,7 +2062,7 @@ gen_text_def:
        }
        | DIGIT {
                Music *t = MY_MAKE_MUSIC ("FingerEvent");
-               t->set_property ("digit", scm_int2num ($1));
+               t->set_property ("digit", scm_from_int ($1));
                t->set_spot (@$);
                $$ = t;
        }
@@ -1992,14 +2115,10 @@ optional_notemode_duration:
        {
                Duration dd = THIS->default_duration_;
                $$ = dd.smobbed_copy ();
-
-               THIS->beam_check ($$);
        }
        | multiplied_duration   {
                $$ = $1;
                THIS->default_duration_ = *unsmob_duration ($$);
-
-               THIS->beam_check ($$);
        }
        ;
 
@@ -2038,7 +2157,7 @@ multiplied_duration:
 fraction:
        FRACTION { $$ = $1; }
        | UNSIGNED '/' UNSIGNED {
-               $$ = scm_cons (scm_int2num ($1), scm_int2num ($3));
+               $$ = scm_cons (scm_from_int ($1), scm_from_int ($3));
        }
        ;
 
@@ -2064,19 +2183,16 @@ tremolo_type:
 
 bass_number:
        DIGIT   {
-               $$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-               $$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
-                               $$);
+               $$ = scm_from_int ($1);
        }
        | UNSIGNED {
-               $$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-               $$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
-                               $$);
+               $$ = scm_from_int ($1);
        }
        | STRING { $$ = $1; }
+       | full_markup { $$ = $1; }
        ;
 
-bass_mod:
+figured_bass_alteration:
        '-'     { $$ = -2; }
        | '+'   { $$ = 2; }
        | '!'   { $$ = 0; }
@@ -2086,40 +2202,71 @@ bass_figure:
        FIGURE_SPACE {
                Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
                $$ = bfr->self_scm ();
-               scm_gc_unprotect_object ($$);
+               bfr->unprotect ();
        }
        | bass_number  {
                Music *bfr = MY_MAKE_MUSIC ("BassFigureEvent");
                $$ = bfr->self_scm ();
 
-               bfr->set_property ("figure", $1);
+               if (scm_is_number ($1))
+                       bfr->set_property ("figure", $1);
+               else if (Text_interface::is_markup ($1))
+                       bfr->set_property ("text", $1);
 
-               scm_gc_unprotect_object ($$);
+               bfr->unprotect ();
        }
-       | bass_figure bass_mod {
+       | bass_figure ']' {
+               $$ = $1;
+               unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
+       }
+       | bass_figure figured_bass_alteration {
                Music *m = unsmob_music ($1);
                if ($2) {
                        SCM salter = m->get_property ("alteration");
                        int alter = scm_is_number (salter) ? scm_to_int (salter) : 0;
                        m->set_property ("alteration",
-                               scm_int2num (alter + $2));
+                               scm_from_int (alter + $2));
                } else {
-                       m->set_property ("alteration", scm_int2num (0));
+                       m->set_property ("alteration", scm_from_int (0));
                }
        }
+       | bass_figure figured_bass_modification  {
+               Music *m = unsmob_music ($1);
+               if ($2 == ly_symbol2scm ("plus"))
+                       {
+                       m->set_property ("augmented", SCM_BOOL_T);
+                       }
+               else if ($2 == ly_symbol2scm ("slash"))
+                       {
+                       m->set_property ("diminished", SCM_BOOL_T);
+                       }
+               else if ($2 == ly_symbol2scm ("exclamation"))
+                       {
+                       m->set_property ("no-continuation", SCM_BOOL_T);
+                       }
+       }
        ;
 
-br_bass_figure:
-       '[' bass_figure {
-               $$ = $2;
-               unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
+
+figured_bass_modification:
+       E_PLUS          {
+               $$ = ly_symbol2scm ("plus");
        }
-       | bass_figure   {
-               $$ = $1;
+       | E_EXCLAMATION {
+               $$ = ly_symbol2scm ("exclamation");
        }
-       | br_bass_figure ']' {
+       | '/'           {
+               $$ = ly_symbol2scm ("slash");
+       }
+       ;
+
+br_bass_figure:
+       bass_figure {
                $$ = $1;
-               unsmob_music ($1)->set_property ("bracket-stop", SCM_BOOL_T);
+       }
+       | '[' bass_figure {
+               $$ = $2;
+               unsmob_music ($$)->set_property ("bracket-start", SCM_BOOL_T);
        }
        ;
 
@@ -2150,7 +2297,7 @@ optional_rest:
 simple_element:
        pitch exclamations questions octave_check optional_notemode_duration optional_rest {
                if (!THIS->lexer_->is_note_state ())
-                       THIS->parser_error (@1, _ ("Have to be in Note mode for notes"));
+                       THIS->parser_error (@1, _ ("have to be in Note mode for notes"));
 
                Music *n = 0;
                if ($6)
@@ -2164,7 +2311,7 @@ simple_element:
                if (scm_is_number ($4))
                {
                        int q = scm_to_int ($4);
-                       n->set_property ("absolute-octave", scm_int2num (q-1));
+                       n->set_property ("absolute-octave", scm_from_int (q-1));
                }
 
                if ($3 % 2)
@@ -2174,7 +2321,7 @@ simple_element:
 
                Music *v = MY_MAKE_MUSIC ("EventChord");
                v->set_property ("elements", scm_list_1 (n->self_scm ()));
-               scm_gc_unprotect_object (n->self_scm ());
+               n->unprotect ();
 
                v->set_spot (@$);
                n->set_spot (@$);
@@ -2187,7 +2334,7 @@ simple_element:
 
                Music *v = MY_MAKE_MUSIC ("EventChord");
                v->set_property ("elements", scm_list_1 (n->self_scm ()));
-               scm_gc_unprotect_object (n->self_scm ());
+               n->unprotect ();
                v->set_spot (@$);
                n->set_spot (@$);
                $$ = v;
@@ -2218,44 +2365,43 @@ simple_element:
                velt->set_property ("elements", scm_list_1 (ev->self_scm ()));
                velt->set_spot (@$);
 
-               scm_gc_unprotect_object (ev->self_scm ());
+               ev->unprotect();
 
                $$ = velt;
        }
        | MULTI_MEASURE_REST optional_notemode_duration         {
                SCM proc = ly_lily_module_constant ("make-multi-measure-rest");
                SCM mus = scm_call_2 (proc, $2, make_input (@$));
-               scm_gc_protect_object (mus);
                $$ = unsmob_music (mus);
+               $$->protect ();
        }
        
        | lyric_element optional_notemode_duration      {
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (@1, _ ("Have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (@1, _ ("have to be in Lyric mode for lyrics"));
 
-               Music *lreq = MY_MAKE_MUSIC ("LyricEvent");
-               lreq->set_property ("text", $1);
-               lreq->set_property ("duration",$2);
-               lreq->set_spot (@$);
+               Music *levent = MY_MAKE_MUSIC ("LyricEvent");
+               levent->set_property ("text", $1);
+               levent->set_property ("duration",$2);
+               levent->set_spot (@$);
                Music *velt = MY_MAKE_MUSIC ("EventChord");
-               velt->set_property ("elements", scm_list_1 (lreq->self_scm ()));
+               velt->set_property ("elements", scm_list_1 (levent->self_scm ()));
 
                $$= velt;
        }
        | new_chord {
                 if (!THIS->lexer_->is_chord_state ())
-                        THIS->parser_error (@1, _ ("Have to be in Chord mode for chords"));
+                        THIS->parser_error (@1, _ ("have to be in Chord mode for chords"));
                 $$ = unsmob_music ($1);
        }
        ;
 
 lyric_element:
-       /* FIXME: lyric flavoured markup would be better */
-       full_markup {
+       lyric_markup {
                $$ = $1;
        }
        | LYRICS_STRING {
-               $$ = make_simple_markup ($1);
+               $$ = $1;
        }
        ;
 
@@ -2362,7 +2508,7 @@ number_factor:
 
 bare_number:
        UNSIGNED        {
-               $$ = scm_int2num ($1);
+               $$ = scm_from_int ($1);
        }
        | REAL          {
                $$ = $1;
@@ -2371,10 +2517,10 @@ bare_number:
                $$ = $1;
        }
        | REAL NUMBER_IDENTIFIER        {
-               $$ = scm_make_real (scm_to_double ($1) *scm_to_double ($2));
+               $$ = scm_from_double (scm_to_double ($1) *scm_to_double ($2));
        }
        | UNSIGNED NUMBER_IDENTIFIER    {
-               $$ = scm_make_real ($1 *scm_to_double ($2));
+               $$ = scm_from_double ($1 *scm_to_double ($2));
        }
        ;
 
@@ -2388,23 +2534,6 @@ bare_unsigned:
        }
        ;
 
-bare_int:
-       bare_number {
-               if (scm_integer_p ($1) == SCM_BOOL_T)
-               {
-                       int k = scm_to_int ($1);
-                       $$ = k;
-               } else
-               {
-                       THIS->parser_error (@1, _ ("need integer number arg"));
-                       $$ = 0;
-               }
-       }
-       | '-' bare_int {
-               $$ = -$2;
-       }
-       ;
-
 exclamations:
                { $$ = 0; }
        | exclamations '!'      { $$ ++; }
@@ -2419,6 +2548,18 @@ questions:
 This should be done more dynamically if possible.
 */
 
+lyric_markup:
+       LYRIC_MARKUP_IDENTIFIER {
+               $$ = $1;
+       }
+       | LYRIC_MARKUP
+               { THIS->lexer_->push_markup_state (); }
+       markup_top {
+               $$ = $3;
+               THIS->lexer_->pop_state ();
+       }
+       ;
+
 full_markup:
        MARKUP_IDENTIFIER {
                $$ = $1;
@@ -2466,7 +2607,7 @@ markup_braced_list:
        ;
 
 markup_braced_list_body:
-       /* empty */     {  $$ = scm_list (SCM_EOL); }
+       /* empty */     {  $$ = SCM_EOL; }
        | markup_braced_list_body markup {
                $$ = scm_cons ($2, $1);
        }
@@ -2503,6 +2644,9 @@ simple_markup:
        | MARKUP_IDENTIFIER {
                $$ = $1;
        }
+       | LYRIC_MARKUP_IDENTIFIER {
+               $$ = $1;
+       }
        | STRING_IDENTIFIER {
                $$ = $1;
        }
@@ -2512,7 +2656,7 @@ simple_markup:
        } '{' score_body '}' {
                Score * sc = $4;
                $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), sc->self_scm ());
-               scm_gc_unprotect_object (sc->self_scm ());
+               sc->unprotect ();
                THIS->lexer_->pop_state ();
        }
        | MARKUP_HEAD_SCM0 embedded_scm {
@@ -2537,7 +2681,8 @@ simple_markup:
        
 markup:
        markup_head_1_list simple_markup        {
-               $$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2)));
+               SCM mapper = ly_lily_module_constant ("map-markup-command-list");
+               $$ = scm_car (scm_call_2 (mapper, $1, scm_list_1 ($2)));
        }
        | simple_markup {
                $$ = $1;
@@ -2561,29 +2706,6 @@ Lily_parser::do_yyparse ()
 }
 
 
-/*
-Should make this optional?    It will also complain when you do
-
-       [s4]
-
-which is entirely legitimate.
-
-Or we can scrap it. Barchecks should detect wrong durations, and
-skipTypesetting speeds it up a lot.
-*/
-
-void
-Lily_parser::beam_check (SCM dur)
-{
-  Duration *d = unsmob_duration (dur);
-  if (unsmob_music (last_beam_start_) && d->duration_log () <= 2)
-    {
-      Music *m = unsmob_music (last_beam_start_);
-      m->origin ()->warning (_ ("Suspect duration found following this beam"));
-    }
-  last_beam_start_ = SCM_EOL;
-}
-
 
 
 
@@ -2599,6 +2721,9 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
        if (scm_is_string (sid)) {
                *destination = sid;
                return STRING_IDENTIFIER;
+       } else if (unsmob_book (sid)) {
+               *destination = unsmob_book (sid)->clone ()->self_scm ();
+               return BOOK_IDENTIFIER;
        } else if (scm_is_number (sid)) {
                *destination = sid;
                return NUMBER_IDENTIFIER;
@@ -2614,8 +2739,11 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
                *destination = mus->self_scm ();
                unsmob_music (*destination)->
                        set_property ("origin", make_input (last_input_));
-               return dynamic_cast<Event*> (mus)
-                       ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
+
+               bool is_event = scm_memq (ly_symbol2scm ("event"), mus->get_property ("types"))
+                       != SCM_BOOL_F;
+
+               return is_event ? EVENT_IDENTIFIER : MUSIC_IDENTIFIER;
        } else if (unsmob_duration (sid)) {
                *destination = unsmob_duration (sid)->smobbed_copy ();
                return DURATION_IDENTIFIER;
@@ -2625,8 +2753,10 @@ Lily_lexer::try_special_identifiers (SCM *destination, SCM sid)
 
                *destination = p->self_scm ();
                return OUTPUT_DEF_IDENTIFIER;
-       } else if (Text_interface::markup_p (sid)) {
+       } else if (Text_interface::is_markup (sid)) {
                *destination = sid;
+               if (is_lyric_state ())
+                       return LYRIC_MARKUP_IDENTIFIER;
                return MARKUP_IDENTIFIER;
        }
 
@@ -2641,7 +2771,7 @@ property_op_to_music (SCM op)
        SCM symbol = scm_cadr (op);
        SCM args = scm_cddr (op);
        SCM grob_val = SCM_UNDEFINED;
-       SCM grob_sym = SCM_UNDEFINED;
+       SCM grob_path = SCM_UNDEFINED;
        SCM val = SCM_UNDEFINED;
        
        if (tag == ly_symbol2scm ("assign"))
@@ -2651,16 +2781,16 @@ property_op_to_music (SCM op)
                }
        else if (tag == ly_symbol2scm ("unset"))
                m = MY_MAKE_MUSIC ("PropertyUnset");
-       else if (tag == ly_symbol2scm ("poppush")
-                || tag == ly_symbol2scm ("push"))
+       else if (tag == ly_symbol2scm ("push"))
                {
                m = MY_MAKE_MUSIC ("OverrideProperty");
-               grob_sym = scm_car (args);
-               grob_val = scm_cadr (args);
+               grob_val = scm_car (args);
+               grob_path = scm_cdr (args);
+               m->set_property ("pop-first", SCM_BOOL_T);
                }
        else if (tag == ly_symbol2scm ("pop")) {
                m = MY_MAKE_MUSIC ("RevertProperty");
-               grob_sym = scm_car (args);
+               grob_path = args;
                }
 
        m->set_property ("symbol", symbol);
@@ -2669,23 +2799,8 @@ property_op_to_music (SCM op)
                m->set_property ("value", val);
        if (grob_val != SCM_UNDEFINED)
                m->set_property ("grob-value", grob_val);
-
-       if (grob_sym != SCM_UNDEFINED)
-               {
-               bool itc = do_internal_type_checking_global;
-               /* UGH.
-               */
-               bool autobeam = ly_c_equal_p (symbol, ly_symbol2scm ("autoBeamSettings"));
-               if (autobeam)
-                       do_internal_type_checking_global = false;
-               m->set_property ("grob-property", grob_sym);
-               if (autobeam)
-                       do_internal_type_checking_global = itc;
-               }
-
-       if (tag == ly_symbol2scm ("poppush"))
-               m->set_property ("pop-first", SCM_BOOL_T);
-
+       if (grob_path != SCM_UNDEFINED)
+               m->set_property ("grob-property-path", grob_path);
 
        return m;
 }
@@ -2696,7 +2811,7 @@ context_spec_music (SCM type, SCM id, Music *m, SCM ops)
        Music *csm = MY_MAKE_MUSIC ("ContextSpeccedMusic");
 
        csm->set_property ("element", m->self_scm ());
-       scm_gc_unprotect_object (m->self_scm ());
+       m->unprotect ();
 
        csm->set_property ("context-type",
                scm_is_symbol (type) ? type : scm_string_to_symbol (type));