Fix some bugs in the dynamic engraver and PostScript backend

[lilypond.git] / lily / global-context-scheme.cc

diff --git a/lily/global-context-scheme.cc b/lily/global-context-scheme.cc
index 219dc267c1d3762f0a0c19f314f415833001f976..7eb5fb224aa67003a08b06fed3d10c588c58958e 100644 (file)
--- a/lily/global-context-scheme.cc
+++ b/lily/global-context-scheme.cc
@@ -5,6 +5,7 @@
 
   (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
 */
+
 #include "cpu-timer.hh"
 #include "global-context.hh"
 #include "international.hh"
@@ -14,7 +15,6 @@
 #include "music.hh"
 #include "object-key.hh"
 #include "output-def.hh"
-#include "translator-group.hh"
 #include "warn.hh"
 
 LY_DEFINE (ly_format_output, "ly:format-output",
@@ -27,63 +27,22 @@ LY_DEFINE (ly_format_output, "ly:format-output",
 
   SCM output = g->get_output ();
   progress_indication ("\n");
-
-  if (Music_output *od = unsmob_music_output (output))
-    od->process ();
-  
+  unsmob_music_output (output)->process ();
   return output;
 }
 
-LY_DEFINE (ly_make_global_translator, "ly:make-global-translator",
-          1, 0, 0, (SCM global),
-          "Create a translator group and connect it to the global context\n"
-          "@var{global}. The translator group is returned.")
-{
-  Global_context *g = dynamic_cast<Global_context *> (unsmob_context (global));
-  SCM_ASSERT_TYPE (g, global, SCM_ARG1, __FUNCTION__, "Global context");
-
-  Translator_group *tg = new Translator_group ();
-  tg->connect_to_context (g);
-  g->implementation_ = tg;
-
-  return tg->unprotect ();
-}
-
-LY_DEFINE (ly_make_global_context, "ly:make-global-context",
-          1, 1, 0, (SCM output_def, SCM key),
-          "Set up a global interpretation context, using the output\n"
-          "block @var{output_def}.\n"
-          "The context is returned.\n"
-
-          "\n\nOptionally, this routine takes an Object-key to\n"
+LY_DEFINE (ly_run_translator, "ly:run-translator",
+          2, 1, 0, (SCM mus, SCM output_def, SCM key),
+          "Process @var{mus} according to @var{output_def}. \n"
+          "An interpretation context is set up,\n"
+          "and @var{mus} is interpreted with it.  \n"
+          "The context is returned in its final state.\n"
+          "\n\n"
+          "Optionally, this routine takes an Object-key to\n"
           "to uniquely identify the Score block containing it.\n")
 {
   Output_def *odef = unsmob_output_def (output_def);
-
-  SCM_ASSERT_TYPE (odef, output_def, SCM_ARG1, __FUNCTION__,
-                  "Output definition");
-
-  Global_context *glob = new Global_context (odef, unsmob_key (key));
-
-  if (!glob)
-    {
-      programming_error ("no toplevel translator");
-      return SCM_BOOL_F;
-    }
-
-  return glob->unprotect ();
-}
-
-LY_DEFINE (ly_interpret_music_expression, "ly:interpret-music-expression",
-          2, 0, 0, (SCM mus, SCM ctx),
-          "Interpret the music expression @var{mus} in the\n"
-          "global context @var{ctx}. The context is returned in its\n"
-          "final state.\n")
-{
   Music *music = unsmob_music (mus);
-  Global_context *g = dynamic_cast<Global_context *> (unsmob_context (ctx));
-  SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
-  SCM_ASSERT_TYPE (g, ctx, SCM_ARG2, __FUNCTION__, "Global context");
 
   if (!music
       || !music->get_length ().to_bool ())
@@ -92,14 +51,25 @@ LY_DEFINE (ly_interpret_music_expression, "ly:interpret-music-expression",
       return SCM_BOOL_F;
     }
 
+  SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
+  SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__,
+                  "Output definition");
+
   Cpu_timer timer;
 
+  Global_context *trans = new Global_context (odef, music->get_length (),
+                                             unsmob_key (key));
+  if (!trans)
+    {
+      programming_error ("no toplevel translator");
+      return SCM_BOOL_F;
+    }
+
   message (_ ("Interpreting music... "));
 
   SCM protected_iter = Music_iterator::get_static_get_iterator (music);
   Music_iterator *iter = unsmob_iterator (protected_iter);
-
-  iter->init_context (music, g);
+  iter->init_translator (music, trans);
   iter->construct_children ();
 
   if (!iter->ok ())
@@ -109,31 +79,13 @@ LY_DEFINE (ly_interpret_music_expression, "ly:interpret-music-expression",
       return SCM_BOOL_F;
     }
 
-  g->run_iterator_on_me (iter);
-
+  trans->run_iterator_on_me (iter);
   iter->quit ();
   scm_remember_upto_here_1 (protected_iter);
-
-  send_stream_event (g, "Finish", 0, 0);
+  trans->finish ();
 
   if (be_verbose_global)
     message (_f ("elapsed time: %.2f seconds", timer.read ()));
 
-  return ctx;
-}
-
-LY_DEFINE (ly_run_translator, "ly:run-translator",
-          2, 1, 0, (SCM mus, SCM output_def, SCM key),
-          "Process @var{mus} according to @var{output_def}. \n"
-          "An interpretation context is set up,\n"
-          "and @var{mus} is interpreted with it.  \n"
-          "The context is returned in its final state.\n"
-          "\n\n"
-          "Optionally, this routine takes an Object-key to\n"
-          "to uniquely identify the Score block containing it.\n")
-{
-  SCM glob = ly_make_global_context (output_def, key);
-  ly_make_global_translator (glob);
-  ly_interpret_music_expression (mus, glob);
-  return glob;
+  return trans->unprotect ();
 }