Web-ja: update introduction

[lilypond.git] / lily / engraver.cc

diff --git a/lily/engraver.cc b/lily/engraver.cc
index ac085bd296e17c21a5538c40da1928122b0aad14..59c91306ef39496f5f729273686c0d58def2ab68 100644 (file)
--- a/lily/engraver.cc
+++ b/lily/engraver.cc
@@ -1,7 +1,7 @@
 /*
   This file is part of LilyPond, the GNU music typesetter.
 
-  Copyright (C) 1997--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
   LilyPond is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -20,6 +20,7 @@
 #include "engraver.hh"
 
 #include "context.hh"
+#include "grob-properties.hh"
 #include "international.hh"
 #include "music.hh"
 #include "paper-column.hh"
@@ -35,28 +36,27 @@ Engraver::get_daddy_engraver () const
 }
 
 void
-Engraver::announce_grob (Grob_info inf)
+Engraver::announce_grob (Grob_info inf, Context *reroute_context)
 {
-  get_daddy_engraver ()->announce_grob (inf);
+  get_daddy_engraver ()->announce_grob (inf, START, reroute_context);
 }
 
 void
-Engraver::announce_end_grob (Grob_info inf)
+Engraver::announce_end_grob (Grob_info inf, Context *reroute_context)
 {
-  inf.start_end_ = STOP;
-  get_daddy_engraver ()->announce_grob (inf);
+  get_daddy_engraver ()->announce_grob (inf, STOP, reroute_context);
 }
 
 Grob_info
 Engraver::make_grob_info (Grob *e, SCM cause)
 {
   /* TODO: Remove Music code when it's no longer needed */
-  if (Music *m = unsmob_music (cause))
+  if (Music *m = unsmob<Music> (cause))
     {
       cause = m->to_event ()->unprotect ();
     }
-  if (e->get_property ("cause") == SCM_EOL
-      && (unsmob_stream_event (cause) || unsmob_grob (cause)))
+  if (scm_is_null (e->get_property ("cause"))
+      && (unsmob<Stream_event> (cause) || unsmob<Grob> (cause)))
     e->set_property ("cause", cause);
 
   return Grob_info (this, e);
@@ -81,11 +81,12 @@ Engraver::announce_end_grob (Grob *e, SCM cause)
   announce_end_grob (make_grob_info (e, cause));
 }
 
-Engraver::Engraver ()
+Engraver::Engraver (Context *c)
+  : Translator (c)
 {
 }
 
-#ifndef NDEBUG
+#ifdef DEBUG
 static SCM creation_callback = SCM_EOL;
 LY_DEFINE (ly_set_grob_creation_callback, "ly:set-grob-creation-callback",
            1, 0, 0, (SCM cb),
@@ -106,39 +107,38 @@ LY_DEFINE (ly_set_grob_creation_callback, "ly:set-grob-creation-callback",
 Grob *
 Engraver::internal_make_grob (SCM symbol,
                               SCM cause,
-                              char const * /* name */,
                               char const *file,
                               int line,
                               char const *fun)
 {
-#ifdef NDEBUG
+#ifndef DEBUG
   (void)file;
   (void)line;
   (void)fun;
 #endif
 
-  SCM props = updated_grob_properties (context (), symbol);
+  SCM props = Grob_property_info (context (), symbol).updated ();
 
   Grob *grob = 0;
 
   SCM handle = scm_sloppy_assq (ly_symbol2scm ("meta"), props);
   SCM klass = scm_cdr (scm_sloppy_assq (ly_symbol2scm ("class"), scm_cdr (handle)));
 
-  if (klass == ly_symbol2scm ("Item"))
+  if (scm_is_eq (klass, ly_symbol2scm ("Item")))
     grob = new Item (props);
-  else if (klass == ly_symbol2scm ("Spanner"))
+  else if (scm_is_eq (klass, ly_symbol2scm ("Spanner")))
     grob = new Spanner (props);
-  else if (klass == ly_symbol2scm ("Paper_column"))
+  else if (scm_is_eq (klass, ly_symbol2scm ("Paper_column")))
     grob = new Paper_column (props);
 
   assert (grob);
   announce_grob (grob, cause);
 
-#ifndef NDEBUG
+#ifdef DEBUG
   if (ly_is_procedure (creation_callback))
-    scm_apply_0 (creation_callback,
-                 scm_list_n (grob->self_scm (), scm_from_locale_string (file),
-                             scm_from_int (line), scm_from_locale_string (fun), SCM_UNDEFINED));
+    scm_call_4 (creation_callback,
+                grob->self_scm (), scm_from_utf8_string (file),
+                scm_from_int (line), scm_from_ascii_string (fun));
 #endif
 
   return grob;
@@ -146,55 +146,30 @@ Engraver::internal_make_grob (SCM symbol,
 
 Item *
 Engraver::internal_make_item (SCM x, SCM cause,
-                              char const *name,
                               char const *file, int line, char const *fun)
 {
-  Item *it = dynamic_cast<Item *> (internal_make_grob (x, cause, name, file, line, fun));
+  Item *it = dynamic_cast<Item *> (internal_make_grob (x, cause, file, line, fun));
   assert (it);
   return it;
 }
 
 Paper_column *
-Engraver::internal_make_column (SCM x, char const *name,
-                                char const *file, int line, char const *fun)
+Engraver::internal_make_column (SCM x, char const *file, int line, char const *fun)
 {
-  return dynamic_cast<Paper_column *> (internal_make_grob (x, SCM_EOL, name, file, line, fun));
+  return dynamic_cast<Paper_column *> (internal_make_grob (x, SCM_EOL, file, line, fun));
 }
 
 Spanner *
-Engraver::internal_make_spanner (SCM x, SCM cause, char const *name,
+Engraver::internal_make_spanner (SCM x, SCM cause,
                                  char const *file, int line, char const *fun)
 {
-  Spanner *sp = dynamic_cast<Spanner *> (internal_make_grob (x, cause, name, file, line, fun));
+  Spanner *sp = dynamic_cast<Spanner *> (internal_make_grob (x, cause, file, line, fun));
   assert (sp);
   return sp;
 }
 
-Engraver *
-unsmob_engraver (SCM eng)
-{
-  return dynamic_cast<Engraver *> (unsmob_translator (eng));
-}
-
 bool
 ly_is_grob_cause (SCM obj)
 {
-  return unsmob_grob (obj) || unsmob_stream_event (obj) || (obj == SCM_EOL);
+  return unsmob<Grob> (obj) || unsmob<Stream_event> (obj) || scm_is_null (obj);
 }
-
-#include "translator.icc"
-
-ADD_TRANSLATOR (Engraver,
-                /* doc */
-                "Base class for engravers.  Does nothing, so it is not used.",
-
-                /* create */
-                "",
-
-                /* read */
-                "",
-
-                /* write */
-                ""
-               );
-