/*
- global-context-scheme.cc -- implement Global_context bindings
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ LilyPond is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
-#include "warn.hh"
-#include "music-output.hh"
-#include "output-def.hh"
-#include "music-iterator.hh"
-#include "music.hh"
#include "cpu-timer.hh"
#include "global-context.hh"
-#include "object-key.hh"
+#include "international.hh"
#include "main.hh"
+#include "music-iterator.hh"
+#include "music-output.hh"
+#include "music.hh"
+#include "output-def.hh"
+#include "translator-group.hh"
+#include "warn.hh"
LY_DEFINE (ly_format_output, "ly:format-output",
- 1, 0, 0, (SCM context),
- "Given a Global context in its final state, "
- "process it and return the @code{Music_output} object in its final state.")
+ 1, 0, 0, (SCM context),
+ "Given a global context in its final state,"
+ " process it and return the @code{Music_output} object"
+ " in its final state.")
{
- Global_context *g = dynamic_cast<Global_context *> (unsmob_context (context));
- SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
+ Global_context *g = dynamic_cast<Global_context *> (Context::unsmob (context));
+
+ LY_ASSERT_SMOB (Global_context, context, 1);
- Music_output *output = g->get_output ();
+ SCM output = g->get_output ();
progress_indication ("\n");
- output->process ();
- return output->self_scm ();
+
+ if (Music_output *od = Music_output::unsmob (output))
+ od->process ();
+
+ return output;
}
-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\nOptionally, this routine takes an Object-key to\n"
- "to uniquely identify the Score block containing it.\n")
+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"
+ " @var{global}. The translator group is returned.")
{
- Output_def *odef = unsmob_output_def (output_def);
- Music *music = unsmob_music (mus);
+ Global_context *g = dynamic_cast<Global_context *> (Context::unsmob (global));
+ LY_ASSERT_SMOB (Global_context, global, 1);
+
+ Translator_group *tg = new Translator_group ();
+ tg->connect_to_context (g);
+ g->implementation_ = tg;
- if (!music
- || !music->get_length ().to_bool ())
+ return tg->unprotect ();
+}
+
+LY_DEFINE (ly_make_global_context, "ly:make-global-context",
+ 1, 0, 0, (SCM output_def),
+ "Set up a global interpretation context, using the output"
+ " block @var{output-def}. The context is returned.")
+{
+ LY_ASSERT_SMOB (Output_def, output_def, 1);
+ Output_def *odef = Output_def::unsmob (output_def);
+
+ Global_context *glob = new Global_context (odef);
+
+ if (!glob)
{
- warning (_ ("no music found in score"));
+ programming_error ("no toplevel translator");
return SCM_BOOL_F;
}
- SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
- SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__,
- "Output definition");
+ return glob->unprotect ();
+}
- Cpu_timer timer;
+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 global context"
+ " @var{ctx}. The context is returned in its final state.")
+{
+ LY_ASSERT_SMOB (Music, mus, 1);
+ LY_ASSERT_SMOB (Global_context, ctx, 2);
- Global_context *trans = new Global_context (odef, music->get_length (), unsmob_key (key));
- if (!trans)
+ Music *music = Music::unsmob (mus);
+ if (!music)
{
- programming_error ("no toplevel translator");
+ warning (_ ("no music found in score"));
return SCM_BOOL_F;
}
- message (_ ("Interpreting music... "));
+ Global_context *g = dynamic_cast<Global_context *> (Context::unsmob (ctx));
+
+ Cpu_timer timer;
+
+ message (_ ("Interpreting music..."));
SCM protected_iter = Music_iterator::get_static_get_iterator (music);
- Music_iterator *iter = unsmob_iterator (protected_iter);
- iter->init_translator (music, trans);
+ Music_iterator *iter = Music_iterator::unsmob (protected_iter);
+ iter->init_context (music, g);
iter->construct_children ();
if (!iter->ok ())
return SCM_BOOL_F;
}
- trans->run_iterator_on_me (iter);
+ g->run_iterator_on_me (iter);
+
iter->quit ();
scm_remember_upto_here_1 (protected_iter);
- trans->finish ();
- if (be_verbose_global)
- message (_f ("elapsed time: %.2f seconds", timer.read ()));
+ send_stream_event (g, "Finish", 0, 0);
+
+ debug_output (_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),
+ "Process @var{mus} according to @var{output-def}. An"
+ " interpretation context is set up, and @var{mus} is"
+ " interpreted with it. The context is returned in its"
+ " final state.\n"
+ "\n"
+ "Optionally, this routine takes an object-key to"
+ " to uniquely identify the score block containing it.")
+{
+ LY_ASSERT_SMOB (Music, mus, 1);
+ LY_ASSERT_SMOB (Output_def, output_def, 2);
- return scm_gc_unprotect_object (trans->self_scm ());
+ SCM glob = ly_make_global_context (output_def);
+ ly_make_global_translator (glob);
+ ly_interpret_music_expression (mus, glob);
+ return glob;
}
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