]> git.donarmstrong.com Git - lilypond.git/blobdiff - lily/parser.yy
*** empty log message ***
[lilypond.git] / lily / parser.yy
index 43670458d2352ca6bae52b3aa5e07dae4706b263..23407d253976af8013448c01ac24177fa48cd132 100644 (file)
@@ -5,7 +5,7 @@
 
   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@cs.uu.nl>
                  Jan Nieuwenhuizen <janneke@gnu.org>
 */
 
@@ -26,7 +26,6 @@ TODO:
 
 
 #include "book.hh"
-
 #include "context-def.hh"
 #include "dimensions.hh"
 #include "event.hh"
@@ -35,11 +34,8 @@ TODO:
 #include "input.hh"
 #include "lily-guile.hh"
 #include "lilypond-input-version.hh"
-#include "ly-module.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"
@@ -66,6 +62,12 @@ SCM get_next_unique_lyrics_context_id ();
 
 #define yyerror THIS->parser_error
 
+/* We use custom location type: Input objects */
+#define YYLTYPE Input
+#define YYLLOC_DEFAULT(Current,Rhs,N) \
+       ((Current).set_location ((Rhs)[1], (Rhs)[N]))
+
+
 /* Add symbols to the TAGS field of a music object.  */
 
 void
@@ -116,12 +118,9 @@ get_first_context_id (SCM type, Music *m)
 }
 
 SCM
-make_simple_markup (SCM encoding, SCM a)
+make_simple_markup (SCM a)
 {
-       SCM simple = ly_scheme_function ("simple-markup");
-       if (scm_is_symbol (encoding))
-               return scm_list_3 (ly_scheme_function ("encoded-simple-markup"),
-                          encoding, a);
+       SCM simple = ly_lily_module_constant ("simple-markup");
        return scm_list_2 (simple, a);
 }
 
@@ -154,7 +153,7 @@ make_chord_step (int step, int alter)
 SCM
 make_chord (SCM pitch, SCM dur, SCM modification_list)
 {
-       SCM chord_ctor = ly_scheme_function ("construct-chord");
+       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);
        return ch;
@@ -218,12 +217,13 @@ of the parse stack onto the heap. */
 %{
 
 int
-yylex (YYSTYPE *s, void *v)
+yylex (YYSTYPE *s, YYLTYPE *l, void *v)
 {
        Lily_parser *pars = (Lily_parser*) v;
        Lily_lexer *lex = pars->lexer_;
 
        lex->lexval = (void*) s;
+       lex->lexloc = l;
        lex->prepare_for_next_token ();
        return lex->yylex ();
 }
@@ -260,6 +260,7 @@ or
 
 
 %pure_parser
+%locations
 
 %token ACCEPTS
 %token ADDQUOTE
@@ -444,7 +445,8 @@ or
 %type <scm>    Generic_prefix_music_scm 
 %type <scm>    lyric_element
 %type <scm>     Alternative_music
-%type <scm>    full_markup markup_composed_list markup_braced_list markup_braced_list_body markup_head_1_item markup_head_1_list markup simple_markup markup_top
+%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 
@@ -534,7 +536,7 @@ embedded_scm:
 
 lilypond_header_body:
        {
-               $$ = ly_make_anonymous_module (safe_global_b);
+               $$ = ly_make_anonymous_module (be_safe_global);
                THIS->lexer_->add_scope ($$);
        }
        | lilypond_header_body assignment  {
@@ -553,22 +555,13 @@ lilypond_header:
        DECLARATIONS
 */
 assignment:
-       STRING {
-               THIS->push_spot ();
-       }
-       /* cont */ '=' identifier_init  {
-
-       /*
-               Should find generic way of associating input with objects.
-       */
-               Input ip = THIS->pop_spot ();
-
+       STRING '=' identifier_init  {
                if (! is_regular_identifier ($1))
                {
-                       ip.warning (_ ("Identifier should have alphabetic characters only"));
+                       @1.warning (_ ("Identifier should have alphabetic characters only"));
                }
 
-               THIS->lexer_->set_identifier ($1, $4);
+               THIS->lexer_->set_identifier ($1, $3);
 
 /*
  TODO: devise standard for protection in parser.
@@ -629,11 +622,11 @@ context_def_spec_block:
 context_def_spec_body:
        /**/ {
                $$ = Context_def::make_scm ();
-               unsmob_context_def ($$)->set_spot (THIS->here_input ());
+               unsmob_context_def ($$)->set_spot (@$);
        }
        | CONTEXT_DEF_IDENTIFIER {
                $$ = $1;
-               unsmob_context_def ($$)->set_spot (THIS->here_input ());
+               unsmob_context_def ($$)->set_spot (@$);
        }
        | context_def_spec_body GROBDESCRIPTIONS embedded_scm {
                Context_def*td = unsmob_context_def ($$);
@@ -654,12 +647,8 @@ context_def_spec_body:
 
 
 book_block:
-       BOOK {
-               THIS->push_spot ();
-       }
-       /*cont*/ '{' book_body '}'      {
-               THIS->pop_spot ();
-               $$ = $4;
+       BOOK '{' book_body '}'  {
+               $$ = $3;
        }
        ;
 
@@ -669,7 +658,7 @@ book_block:
 book_body:
        {
                $$ = new Book;
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
                $$->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"); 
@@ -695,24 +684,19 @@ book_body:
        ;
 
 score_block:
-       SCORE {
-               THIS->push_spot ();
-       }
-       /*cont*/ '{' score_body '}'     {
-               THIS->pop_spot ();
-               $$ = $4;
+       SCORE '{' score_body '}'        {
+               $$ = $3;
        }
        ;
 
 score_body:
        /**/    {
                $$ = new Score;
-       
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | SCORE_IDENTIFIER {
                $$ = new Score ( *unsmob_score ($1));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | score_body object_id_setting {
                $$->user_key_ = ly_scm2string ($2);
@@ -728,7 +712,7 @@ score_body:
        | score_body output_def {
                if ($2->lookup_variable (ly_symbol2scm ("is-paper")) == SCM_BOOL_T)
                {
-                       THIS->parser_error (_("\\paper cannot be in \\score. Use \\layout instead"));
+                       THIS->parser_error (@2, _("\\paper cannot be in \\score. Use \\layout instead"));
                
                }
                else
@@ -752,7 +736,7 @@ paper_block:
                $$ = $1;
                if ($$->lookup_variable (ly_symbol2scm ("is-paper")) != SCM_BOOL_T)
                {
-                       THIS->parser_error (_("Need \\paper for paper block."));
+                       THIS->parser_error (@1, _("Need \\paper for paper block."));
                        $$ = get_paper (THIS);
                }
        }
@@ -771,7 +755,7 @@ output_def:
 output_def_head:
        PAPER {
                $$ = get_paper (THIS);
-               $$->input_origin_ = THIS->here_input ();
+               $$->input_origin_ = @$;
                THIS->lexer_->add_scope ($$->scope_);
        }
        | MIDI    {
@@ -791,13 +775,13 @@ output_def_head:
 output_def_body:
        output_def_head '{' {
                $$ = $1;
-               $$->input_origin_.set_spot (THIS->here_input ());
+               $$->input_origin_.set_spot (@$);
                THIS->lexer_->push_initial_state ();
        }
        | output_def_head '{' OUTPUT_DEF_IDENTIFIER     {
                scm_gc_unprotect_object ($1->self_scm ());
                Output_def *o = unsmob_output_def ($3);
-               o->input_origin_.set_spot (THIS->here_input ());
+               o->input_origin_.set_spot (@$);
                $$ = o;
                THIS->lexer_->remove_scope ();
                THIS->lexer_->add_scope (o->scope_);
@@ -902,7 +886,7 @@ Repeated_music:
                }
 
 
-               SCM proc = ly_scheme_function ("make-repeated-music");
+               SCM proc = ly_lily_module_constant ("make-repeated-music");
 
                SCM mus = scm_call_1 (proc, $2);
                scm_gc_protect_object (mus); // UGH.
@@ -924,21 +908,21 @@ Repeated_music:
                        we can not get durations and other stuff correct down the line, so we have to
                        add to the duration log here.
                        */
-                       SCM func = ly_scheme_function ("shift-duration-log");
+                       SCM func = ly_lily_module_constant ("shift-duration-log");
 
                        int dots = ($3 % 3) ? 0 : 1;
                        int shift = -intlog2 ((dots) ? ($3*2/3) : $3);
 
-                       Sequential_music *seq = dynamic_cast<Sequential_music*> ($4);
                        
-                       if (seq) {
-                               int list_len = scm_ilength (seq->music_list ());
+                       if ($4->is_mus_type ("sequential-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 ("Chord tremolo must have 2 elements.");
                                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_int2num (shift), scm_int2num (dots));
 
                }
                r->set_spot (*$4->origin ());
@@ -951,12 +935,12 @@ Sequential_music:
        SEQUENTIAL '{' Music_list '}'           {
                $$ = MY_MAKE_MUSIC ("SequentialMusic");
                $$->set_property ("elements", scm_car ($3));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | '{' Music_list '}'            {
                $$ = MY_MAKE_MUSIC ("SequentialMusic");
                $$->set_property ("elements", scm_car ($2));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        ;
 
@@ -964,13 +948,13 @@ Simultaneous_music:
        SIMULTANEOUS '{' Music_list '}'{
                $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
                $$->set_property ("elements", scm_car ($3));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
 
        }
        | simul_open Music_list simul_close     {
                $$ = MY_MAKE_MUSIC ("SimultaneousMusic");
                $$->set_property ("elements", scm_car ($2));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        ;
 
@@ -1014,72 +998,48 @@ Grouped_music_list:
 
 Generic_prefix_music_scm:
        MUSIC_FUNCTION {
-               $$ = scm_list_2 ($1, make_input (THIS->here_input ()));
-       }
-       | MUSIC_FUNCTION_SCM {
-               THIS->push_spot ();
-       } embedded_scm {
-               $$ = scm_list_3 ($1, make_input (THIS->pop_spot ()), $3);
-       }
-       | MUSIC_FUNCTION_MARKUP {
-               THIS->push_spot ();
-       } full_markup {
-               $$ = scm_list_3 ($1, make_input (THIS->pop_spot ()), $3);
-       }
-       | MUSIC_FUNCTION_MUSIC {
-               THIS->push_spot (); 
-       } Music {
-               $$ = scm_list_3 ($1, make_input (THIS->pop_spot ()), $3->self_scm ());
-               scm_gc_unprotect_object ($3->self_scm ());
+               $$ = scm_list_2 ($1, make_input (@$));
        }
-       | MUSIC_FUNCTION_SCM_MUSIC {
-               THIS->push_spot (); 
-       }  embedded_scm Music {
-               $$ = scm_list_4 ($1, make_input (THIS->pop_spot ()), $3, $4->self_scm ());
-               scm_gc_unprotect_object ($4->self_scm ());
+       | MUSIC_FUNCTION_SCM embedded_scm {
+               $$ = scm_list_3 ($1, make_input (@$), $2);
        }
-       | MUSIC_FUNCTION_SCM_SCM {
-               THIS->push_spot (); 
-       }  embedded_scm embedded_scm {
-               $$ = scm_list_4 ($1, make_input (THIS->pop_spot ()), $3, $4);
+       | MUSIC_FUNCTION_MARKUP full_markup {
+               $$ = scm_list_3 ($1, make_input (@$), $2);
        }
-       | MUSIC_FUNCTION_SCM_SCM_MUSIC {
-               THIS->push_spot (); 
-       }  embedded_scm embedded_scm Music {
-               $$ = scm_list_5 ($1, make_input (THIS->pop_spot ()), $3, $4, $5->self_scm ());
+       | MUSIC_FUNCTION_MUSIC Music {
+               $$ = scm_list_3 ($1, make_input (@$), $2->self_scm ());
+               scm_gc_unprotect_object ($2->self_scm ());
        }
-       | MUSIC_FUNCTION_MARKUP_MUSIC {
-               THIS->push_spot (); 
-       }  full_markup Music {
-               $$ = scm_list_4 ($1, make_input (THIS->pop_spot ()), $3, $4->self_scm ());
-               scm_gc_unprotect_object ($4->self_scm ());
+       | MUSIC_FUNCTION_SCM_MUSIC embedded_scm Music {
+               $$ = scm_list_4 ($1, make_input (@$), $2, $3->self_scm ());
+               scm_gc_unprotect_object ($3->self_scm ());
        }
-       | MUSIC_FUNCTION_MARKUP_MARKUP {
-               THIS->push_spot (); 
-       }  full_markup full_markup {
-               $$ = scm_list_4 ($1, make_input (THIS->pop_spot ()), $3, $4);
+       | MUSIC_FUNCTION_SCM_SCM embedded_scm embedded_scm {
+               $$ = scm_list_4 ($1, make_input (@$), $2, $3);
        }
-       | MUSIC_FUNCTION_MUSIC_MUSIC {
-               THIS->push_spot (); 
-       }  Music  Music {
-               $$ = scm_list_4 ($1, make_input (THIS->pop_spot ()), $3->self_scm (), $4->self_scm ());
+       | 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 ());
-               scm_gc_unprotect_object ($4->self_scm ());
        }
-       | MUSIC_FUNCTION_SCM_MUSIC_MUSIC {
-               THIS->push_spot (); 
-       } embedded_scm Music Music {
-               $$ = scm_list_5 ($1, make_input (THIS->pop_spot ()),
-                       $3, $4->self_scm (), $5->self_scm ());
-               scm_gc_unprotect_object ($5->self_scm ());
+       | MUSIC_FUNCTION_MARKUP_MARKUP full_markup full_markup {
+               $$ = scm_list_4 ($1, make_input (@$), $2, $3);
+       }
+       | MUSIC_FUNCTION_MUSIC_MUSIC Music Music {
+               $$ = scm_list_4 ($1, make_input (@$), $2->self_scm (), $3->self_scm ());
+               scm_gc_unprotect_object ($2->self_scm ());
+               scm_gc_unprotect_object ($3->self_scm ());
+       }
+       | MUSIC_FUNCTION_SCM_MUSIC_MUSIC embedded_scm Music Music {
+               $$ = 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 ());
        }
-       | MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC {
-               THIS->push_spot (); 
-       } full_markup Music Music {
-               $$ = scm_list_5 ($1, make_input (THIS->pop_spot ()),
-                       $3, $4->self_scm (), $5->self_scm ());
-               scm_gc_unprotect_object ($5->self_scm ());
+       | MUSIC_FUNCTION_MARKUP_MUSIC_MUSIC full_markup Music Music {
+               $$ = 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 ());
        }
        ;
@@ -1091,7 +1051,7 @@ Generic_prefix_music:
                SCM args = scm_cddr ($1);
                SCM sig = scm_object_property (func, ly_symbol2scm ("music-function-signature"));
 
-               SCM type_check_proc = ly_scheme_function ("type-check-list");
+               SCM type_check_proc = ly_lily_module_constant ("type-check-list");
                bool ok  = true;
 
                if (!to_boolean (scm_call_3  (type_check_proc, scm_cadr ($1), sig, args)))
@@ -1137,18 +1097,14 @@ Prefix_composite_music:
                        $3);
        }
 
-       | TIMES {
-               THIS->push_spot ();
-       }
-       /* CONTINUED */
-               fraction Music  
+       | TIMES fraction Music  
 
        {
-               int n = scm_to_int (scm_car ($3)); int d = scm_to_int (scm_cdr ($3));
-               Music *mp = $4;
+               int n = scm_to_int (scm_car ($2)); int d = scm_to_int (scm_cdr ($2));
+               Music *mp = $3;
 
                $$= MY_MAKE_MUSIC ("TimeScaledMusic");
-               $$->set_spot (THIS->pop_spot ());
+               $$->set_spot (@$);
 
                $$->set_property ("element", mp->self_scm ());
                scm_gc_unprotect_object (mp->self_scm ());
@@ -1197,7 +1153,7 @@ Prefix_composite_music:
        | relative_music        { $$ = $1; }
        | re_rhythmed_music     { $$ = $1; }
        | TAG embedded_scm Music {
-               tag_music ($3, $2, THIS->here_input ());
+               tag_music ($3, $2, @$);
                $$ = $3;
        }
        ;
@@ -1337,12 +1293,12 @@ re_rhythmed_music:
 
 context_change:
        CHANGE STRING '=' STRING  {
-               Music*t= MY_MAKE_MUSIC ("ContextChange");
+               Music*t = MY_MAKE_MUSIC ("ContextChange");
                t-> set_property ("change-to-type", scm_string_to_symbol ($2));
                t-> set_property ("change-to-id", $4);
 
                $$ = t;
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        ;
 
@@ -1389,7 +1345,7 @@ context_prop_spec:
        simple_string {
                if (!is_regular_identifier ($1))
                {
-                       THIS->here_input ().error (_("Grob name should be alphanumeric"));
+                       @$.error (_("Grob name should be alphanumeric"));
                }
 
                $$ = scm_list_2 (ly_symbol2scm ("Bottom"),
@@ -1498,9 +1454,7 @@ nevertheless, this is not very clean, and we should find a different
 solution.
 
 */
-pre_events: {
-               THIS->push_spot ();
-       }
+pre_events: /* empty */
        ;
 
 event_chord:
@@ -1510,6 +1464,11 @@ event_chord:
                elts = ly_append2 (elts, scm_reverse_x ($3, SCM_EOL));
 
                $2->set_property ("elements", elts);
+               /* why is this giving wrong start location? -ns
+                * $2->set_spot (@$); */
+               Input i;
+               i.set_location (@2, @3);
+               $2->set_spot (i);
                $$ = $2;
        }
        | command_element
@@ -1529,6 +1488,7 @@ note_chord_element:
                es = ly_append2 (es, postevs);
 
                $1-> set_property ("elements", es);
+               $1->set_spot (@$);
                $$ = $1;
        }
        ;
@@ -1549,6 +1509,7 @@ chord_body:
        chord_open chord_body_elements chord_close
        {
                $$ = MY_MAKE_MUSIC ("EventChord");
+               $$->set_spot (@$);
                $$->set_property ("elements",
                        scm_reverse_x ($2, SCM_EOL));
        }
@@ -1563,7 +1524,7 @@ chord_body_elements:
        ;
 
 chord_body_element:
-       pitch  exclamations questions octave_check post_events
+       pitch exclamations questions octave_check post_events
        {
                int q = $3;
                int ex = $2;
@@ -1572,6 +1533,7 @@ chord_body_element:
 
                Music *n = MY_MAKE_MUSIC ("NoteEvent");
                n->set_property ("pitch", $1);
+               n->set_spot (@$);
                if (q % 2)
                        n->set_property ("cautionary", SCM_BOOL_T);
                if (ex % 2 || q % 2)
@@ -1594,7 +1556,7 @@ chord_body_element:
                Music *n = MY_MAKE_MUSIC ("NoteEvent");
                n->set_property ("duration", $2);
                n->set_property ("drum-type", $1);
-               n->set_spot (THIS->here_input ());
+               n->set_spot (@$);
 
                if (scm_is_pair ($2)) {
                        SCM arts = scm_reverse_x ($2, SCM_EOL);
@@ -1606,7 +1568,7 @@ chord_body_element:
 
 add_quote:
        ADDQUOTE string Music {
-               SCM adder = ly_scheme_function ("add-quotable");
+               SCM adder = ly_lily_module_constant ("add-quotable");
                
                scm_call_2 (adder, $2, $3->self_scm ());
                scm_gc_unprotect_object ($3->self_scm ());
@@ -1619,62 +1581,61 @@ command_element:
                $$->set_property ("elements", scm_cons ($1->self_scm (), SCM_EOL));
                scm_gc_unprotect_object ($1->self_scm ());
 
-               $$-> set_spot (THIS->here_input ());
-               $1-> set_spot (THIS->here_input ());
+               $$-> set_spot (@$);
+               $1-> set_spot (@$);
        }
        | SKIP duration_length {
                Music *skip = MY_MAKE_MUSIC ("SkipMusic");
                skip->set_property ("duration", $2);
-
+               skip->set_spot (@$);
                $$ = skip;
        }
-       | OCTAVE { THIS->push_spot (); }
-         pitch {
+       | OCTAVE pitch {
                Music *m = MY_MAKE_MUSIC ("RelativeOctaveCheck");
                $$ = m;
-               $$->set_spot (THIS->pop_spot ());
-               $$->set_property ("pitch", $3);
+               $$->set_spot (@$);
+               $$->set_property ("pitch", $2);
        }
        | E_LEFTSQUARE {
                Music *m = MY_MAKE_MUSIC ("LigatureEvent");
                m->set_property ("span-direction", scm_int2num (START));
-               m->set_spot (THIS->here_input ());
+               m->set_spot (@$);
 
                $$ = MY_MAKE_MUSIC ("EventChord");
                $$->set_property ("elements", scm_cons (m->self_scm (), SCM_EOL));
                scm_gc_unprotect_object (m->self_scm ());
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | E_RIGHTSQUARE {
                Music *m = MY_MAKE_MUSIC ("LigatureEvent");
                m->set_property ("span-direction", scm_int2num (STOP));
-               m->set_spot (THIS->here_input ());
+               m->set_spot (@$);
 
                $$ = MY_MAKE_MUSIC ("EventChord");
                $$->set_property ("elements", scm_cons (m->self_scm (), SCM_EOL));
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
                scm_gc_unprotect_object (m->self_scm ());
        }
        | E_BACKSLASH {
                $$ = MY_MAKE_MUSIC ("VoiceSeparator");
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | '|'      {
-               SCM pipe =THIS->lexer_->lookup_identifier ("pipeSymbol");
+               SCM pipe = THIS->lexer_->lookup_identifier ("pipeSymbol");
 
                if (Music * m = unsmob_music (pipe))
                        $$ = m->clone ();
                else
                        $$ = MY_MAKE_MUSIC ("BarCheck");
 
-               $$->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
        }
        | TRANSPOSITION pitch {
                Pitch middle_c;
                Pitch sounds_as_c = pitch_interval (*unsmob_pitch ($2), middle_c);
                $$ = set_property_music (ly_symbol2scm ("instrumentTransposition"),
                                         sounds_as_c.smobbed_copy());
-               $$->set_spot (THIS-> here_input ());
+               $$->set_spot (@$);
                $$ = context_spec_music (ly_symbol2scm ("Staff"), SCM_UNDEFINED,
                        $$, SCM_EOL);
        }
@@ -1684,13 +1645,13 @@ command_element:
                Music *csm = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
                                        t, SCM_EOL);
                $$ = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED, csm, SCM_EOL);
-               $$->set_spot (THIS->here_input ());
-               t->set_spot (THIS->here_input ());
+               $$->set_spot (@$);
+               t->set_spot (@$);
        }
        | PARTIAL duration_length       {
                Moment m = - unsmob_duration ($2)->get_length ();
                Music *p = set_property_music (ly_symbol2scm ( "measurePosition"),m.smobbed_copy ());
-               p->set_spot (THIS->here_input ());
+               p->set_spot (@$);
                p = context_spec_music (ly_symbol2scm ("Timing"), SCM_UNDEFINED,
                                        p, SCM_EOL);
                p = context_spec_music (ly_symbol2scm ("Score"), SCM_UNDEFINED,
@@ -1698,21 +1659,21 @@ command_element:
                $$ = p;
        }
        | CLEF STRING  {
-               SCM proc = ly_scheme_function ("make-clef-set");
+               SCM proc = ly_lily_module_constant ("make-clef-set");
 
                SCM result = scm_call_1 (proc, $2);
                scm_gc_protect_object (result);
                $$ = unsmob_music (result);
        }
        | TIME_T fraction  {
-               SCM proc= ly_scheme_function ("make-time-signature-set");
+               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);
        }
        | MARK scalar {
-               SCM proc = ly_scheme_function ("make-mark-set");
+               SCM proc = ly_lily_module_constant ("make-mark-set");
 
                SCM result = scm_call_1 (proc, $2);
                scm_gc_protect_object (result);
@@ -1732,36 +1693,37 @@ command_req:
                $$ = $1;
        }
        | KEY DEFAULT {
-               Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
+               Music *key = MY_MAKE_MUSIC ("KeyChangeEvent");
                $$ = key;
        }
        | KEY NOTENAME_PITCH SCM_IDENTIFIER     {
 
-               Music *key= MY_MAKE_MUSIC ("KeyChangeEvent");
+               Music *key = MY_MAKE_MUSIC ("KeyChangeEvent");
                if (scm_ilength ($3) > 0)
                {               
                        key->set_property ("pitch-alist", $3);
                        key->set_property ("tonic", Pitch (0,0,0).smobbed_copy ());
                        key->transpose (* unsmob_pitch ($2));
                } else {
-                       THIS->parser_error (_ ("Second argument must be pitch list."));
+                       THIS->parser_error (@3, _ ("Second argument must be pitch list."));
                }
 
                $$ = key;
        }
        ;
 
+
 post_events:
        /* empty */ {
                $$ = SCM_EOL;
        }
        | post_events post_event {
-               $2->set_spot (THIS->here_input ());
+               $2->set_spot (@2);
                $$ = scm_cons ($2->self_scm (), $$);
                scm_gc_unprotect_object ($2->self_scm ());
        }
        | post_events tagged_post_event {
-               $2 -> set_spot (THIS->here_input ());
+               $2 -> set_spot (@2);
                $$ = scm_cons ($2->self_scm (), $$);
                scm_gc_unprotect_object ($2->self_scm ());
        }
@@ -1770,23 +1732,24 @@ post_events:
 
 tagged_post_event:
        '-' TAG embedded_scm post_event {
-               tag_music ($4, $3, THIS->here_input ());
+               tag_music ($4, $3, @$);
                $$ = $4;
        }
        ;
 
+
 post_event:
        direction_less_event {
                $$ = $1;
        }
        | HYPHEN {
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (@1, _ ("Have to be in Lyric mode for lyrics"));
                $$ = MY_MAKE_MUSIC ("HyphenEvent");
        }
        | EXTENDER {
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (_ ("Have to be in Lyric mode for lyrics"));
+                       THIS->parser_error (@1, _ ("Have to be in Lyric mode for lyrics"));
                $$ = MY_MAKE_MUSIC ("ExtenderEvent");
        }
        | script_dir direction_reqd_event {
@@ -1806,7 +1769,7 @@ string_number_event:
        E_UNSIGNED {
                Music *s = MY_MAKE_MUSIC ("StringNumberEvent");
                s->set_property ("string-number", scm_int2num ($1));
-               s->set_spot (THIS->here_input ());
+               s->set_spot (@$);
                $$ = s;
        }
        ;
@@ -1856,7 +1819,7 @@ direction_less_event:
                {
                        m = MY_MAKE_MUSIC ("Music");
                }
-               m->set_spot (THIS->here_input ());
+               m->set_spot (@$);
                $$ = m;         
        }
        | EVENT_IDENTIFIER      {
@@ -1864,7 +1827,7 @@ direction_less_event:
        }
        | tremolo_type  {
                Music *a = MY_MAKE_MUSIC ("TremoloEvent");
-               a->set_spot (THIS->here_input ());
+               a->set_spot (@$);
                a->set_property ("tremolo-type", scm_int2num ($1));
                $$ = a;
         }
@@ -1879,7 +1842,7 @@ direction_reqd_event:
                Music *a = MY_MAKE_MUSIC ("ArticulationEvent");
                if (scm_is_string (s))
                        a->set_property ("articulation-type", s);
-               else THIS->parser_error (_ ("Expecting string as script definition"));
+               else THIS->parser_error (@1, _ ("Expecting string as script definition"));
                $$ = a;
        }
        ;
@@ -1961,21 +1924,21 @@ gen_text_def:
        full_markup {
                Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
                t->set_property ("text", $1);
-               t->set_spot (THIS->here_input ());
+               t->set_spot (@$);
                $$ = t; 
        }
        | string {
                Music *t = MY_MAKE_MUSIC ("TextScriptEvent");
                t->set_property ("text",
-                       make_simple_markup (THIS->lexer_->encoding (), $1));
-               t->set_spot (THIS->here_input ());
+                       make_simple_markup ($1));
+               t->set_spot (@$);
                $$ = t;
        
        }
        | DIGIT {
                Music *t = MY_MAKE_MUSIC ("FingerEvent");
                t->set_property ("digit", scm_int2num ($1));
-               t->set_spot (THIS->here_input ());
+               t->set_spot (@$);
                $$ = t;
        }
        ;
@@ -2042,7 +2005,7 @@ steno_duration:
        bare_unsigned dots              {
                int len = 0;
                if (!is_duration ($1))
-                       THIS->parser_error (_f ("not a duration: %d", $1));
+                       THIS->parser_error (@1, _f ("not a duration: %d", $1));
                else
                        len = intlog2 ($1);
 
@@ -2092,7 +2055,7 @@ tremolo_type:
        }
        | ':' bare_unsigned {
                if (!is_duration ($2))
-                       THIS->parser_error (_f ("not a duration: %d", $2));
+                       THIS->parser_error (@2, _f ("not a duration: %d", $2));
                $$ = $2;
        }
        ;
@@ -2100,12 +2063,12 @@ tremolo_type:
 bass_number:
        DIGIT   {
                $$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-               $$ = scm_list_2 (ly_scheme_function ("number-markup"),
+               $$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
                                $$);
        }
        | UNSIGNED {
                $$ = scm_number_to_string (scm_int2num ($1), scm_int2num (10));
-               $$ = scm_list_2 (ly_scheme_function ("number-markup"),
+               $$ = scm_list_2 (ly_lily_module_constant ("number-markup"),
                                $$);
        }
        | STRING { $$ = $1; }
@@ -2184,10 +2147,8 @@ optional_rest:
 
 simple_element:
        pitch exclamations questions octave_check optional_notemode_duration optional_rest {
-
-               Input i = THIS->pop_spot ();
                if (!THIS->lexer_->is_note_state ())
-                       THIS->parser_error (_ ("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)
@@ -2213,13 +2174,11 @@ simple_element:
                v->set_property ("elements", scm_list_1 (n->self_scm ()));
                scm_gc_unprotect_object (n->self_scm ());
 
-               v->set_spot (i);
-               n->set_spot (i);
+               v->set_spot (@$);
+               n->set_spot (@$);
                $$ = v;
        }
        | DRUM_PITCH optional_notemode_duration {
-               Input i = THIS->pop_spot ();
-
                Music *n = MY_MAKE_MUSIC ("NoteEvent");
                n->set_property ("duration", $2);
                n->set_property ("drum-type", $1);
@@ -2227,15 +2186,14 @@ simple_element:
                Music *v = MY_MAKE_MUSIC ("EventChord");
                v->set_property ("elements", scm_list_1 (n->self_scm ()));
                scm_gc_unprotect_object (n->self_scm ());
-               v->set_spot (i);
-               n->set_spot (i);
+               v->set_spot (@$);
+               n->set_spot (@$);
                $$ = v;
                
        }
        | figure_spec optional_notemode_duration {
                Music *m = unsmob_music ($1);
-               Input i = THIS->pop_spot ();
-               m->set_spot (i);
+               m->set_spot (@$);
                for (SCM s = m->get_property ("elements"); scm_is_pair (s); s = scm_cdr (s))
                {
                        unsmob_music (scm_car (s))->set_property ("duration", $2);
@@ -2243,8 +2201,6 @@ simple_element:
                $$ = m;
        }       
        | RESTNAME optional_notemode_duration           {
-
-               Input i = THIS->pop_spot ();
                Music *ev = 0;
                if (ly_scm2string ($1) == "s") {
                        /* Space */
@@ -2255,44 +2211,38 @@ simple_element:
                
                    }
                ev->set_property ("duration", $2);
-               ev->set_spot (i);
+               ev->set_spot (@$);
                Music *velt = MY_MAKE_MUSIC ("EventChord");
                velt->set_property ("elements", scm_list_1 (ev->self_scm ()));
-               velt->set_spot (i);
+               velt->set_spot (@$);
 
                scm_gc_unprotect_object (ev->self_scm ());
 
                $$ = velt;
        }
        | MULTI_MEASURE_REST optional_notemode_duration         {
-               THIS->pop_spot ();
-
-               SCM proc = ly_scheme_function ("make-multi-measure-rest");
-               SCM mus = scm_call_2 (proc, $2,
-                       make_input (THIS->here_input ()));      
+               SCM proc = ly_lily_module_constant ("make-multi-measure-rest");
+               SCM mus = scm_call_2 (proc, $2, make_input (@$));
                scm_gc_protect_object (mus);
                $$ = unsmob_music (mus);
        }
        
        | lyric_element optional_notemode_duration      {
-               Input i = THIS->pop_spot ();
                if (!THIS->lexer_->is_lyric_state ())
-                       THIS->parser_error (_ ("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 ("text", $1);
                lreq->set_property ("duration",$2);
-               lreq->set_spot (i);
+               lreq->set_spot (@$);
                Music *velt = MY_MAKE_MUSIC ("EventChord");
                velt->set_property ("elements", scm_list_1 (lreq->self_scm ()));
 
                $$= velt;
        }
        | new_chord {
-               THIS->pop_spot ();
-
                 if (!THIS->lexer_->is_chord_state ())
-                        THIS->parser_error (_ ("Have to be in Chord mode for chords"));
+                        THIS->parser_error (@1, _ ("Have to be in Chord mode for chords"));
                 $$ = unsmob_music ($1);
        }
        ;
@@ -2303,7 +2253,7 @@ lyric_element:
                $$ = $1;
        }
        | LYRICS_STRING {
-               $$ = make_simple_markup (THIS->lexer_->encoding (), $1);
+               $$ = make_simple_markup ($1);
        }
        ;
 
@@ -2444,7 +2394,7 @@ bare_int:
                        $$ = k;
                } else
                {
-                       THIS->parser_error (_ ("need integer number arg"));
+                       THIS->parser_error (@1, _ ("need integer number arg"));
                        $$ = 0;
                }
        }
@@ -2480,23 +2430,29 @@ full_markup:
        ;
 
 markup_top:
-       markup_composed_list { 
-               $$ = scm_list_2 (ly_scheme_function ("line-markup"),  $1); 
+       markup_list { 
+               $$ = scm_list_2 (ly_lily_module_constant ("line-markup"),  $1); 
        }
        | markup_head_1_list simple_markup      {
-               $$ = scm_car (scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, scm_list_1 ($2)));
+               $$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2)));
        }
        | simple_markup {
                $$ = $1;
        }
-       | markup_braced_list    {
-               $$ = scm_list_2 (ly_scheme_function ("line-markup"), $1);
+       ;
+
+markup_list:
+       markup_composed_list {
+               $$ = $1;
+       }
+       | markup_braced_list {
+               $$ = $1;
        }
        ;
 
 markup_composed_list:
        markup_head_1_list markup_braced_list {
-               $$ = scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, $2);
+               $$ = scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, $2);
                
        }
        ;
@@ -2512,7 +2468,7 @@ markup_braced_list_body:
        | markup_braced_list_body markup {
                $$ = scm_cons ($2, $1);
        }
-       | markup_braced_list_body markup_composed_list {
+       | markup_braced_list_body markup_list {
                $$ = scm_append_x (scm_list_2 (scm_reverse_x ($2, SCM_EOL), $1));
        }
        ;
@@ -2540,7 +2496,7 @@ markup_head_1_list:
 
 simple_markup:
        STRING {
-               $$ = make_simple_markup (THIS->lexer_->encoding (), $1);
+               $$ = make_simple_markup ($1);
        }
        | MARKUP_IDENTIFIER {
                $$ = $1;
@@ -2553,7 +2509,7 @@ simple_markup:
                THIS->lexer_->push_note_state (alist_to_hashq (nn));
        } '{' score_body '}' {
                Score * sc = $4;
-               $$ = scm_list_2 (ly_scheme_function ("score-markup"), sc->self_scm ());
+               $$ = scm_list_2 (ly_lily_module_constant ("score-markup"), sc->self_scm ());
                scm_gc_unprotect_object (sc->self_scm ());
                THIS->lexer_->pop_state ();
        }
@@ -2569,7 +2525,7 @@ simple_markup:
        | MARKUP_HEAD_EMPTY {
                $$ = scm_list_1 ($1);
        }
-       | MARKUP_HEAD_LIST0 markup_braced_list {
+       | MARKUP_HEAD_LIST0 markup_list {
                $$ = scm_list_2 ($1,$2);
        }
        | MARKUP_HEAD_MARKUP0_MARKUP1 markup markup {
@@ -2579,14 +2535,11 @@ simple_markup:
        
 markup:
        markup_head_1_list simple_markup        {
-               $$ = scm_car (scm_call_2 (ly_scheme_function ("map-markup-command-list"), $1, scm_list_1 ($2)));
+               $$ = scm_car (scm_call_2 (ly_lily_module_constant ("map-markup-command-list"), $1, scm_list_1 ($2)));
        }
        | simple_markup {
                $$ = $1;
        }
-       | markup_braced_list {
-               $$ = scm_list_2 (ly_scheme_function ("line-markup"), $1);
-       }
        ;
 
 %%
@@ -2717,15 +2670,15 @@ property_op_to_music (SCM op)
 
        if (grob_sym != SCM_UNDEFINED)
                {
-               bool itc = internal_type_checking_global_b;
+               bool itc = do_internal_type_checking_global;
                /* UGH.
                */
                bool autobeam = ly_c_equal_p (symbol, ly_symbol2scm ("autoBeamSettings"));
                if (autobeam)
-                       internal_type_checking_global_b = false;
+                       do_internal_type_checking_global = false;
                m->set_property ("grob-property", grob_sym);
                if (autobeam)
-                       internal_type_checking_global_b = itc;
+                       do_internal_type_checking_global = itc;
                }
 
        if (tag == ly_symbol2scm ("poppush"))