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global-context-scheme.cc -- implement Global_context bindings
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source file of the GNU LilyPond music typesetter
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(c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
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#include "cpu-timer.hh"
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#include "global-context.hh"
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#include "international.hh"
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#include "music-iterator.hh"
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#include "music-output.hh"
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#include "object-key.hh"
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#include "output-def.hh"
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LY_DEFINE (ly_format_output, "ly:format-output",
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1, 0, 0, (SCM context),
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"Given a Global context in its final state, "
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"process it and return the @code{Music_output} object in its final state.")
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Global_context *g = dynamic_cast<Global_context *> (unsmob_context (context));
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SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context");
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SCM output = g->get_output ();
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progress_indication ("\n");
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unsmob_music_output (output)->process ();
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LY_DEFINE (ly_run_translator, "ly:run-translator",
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2, 1, 0, (SCM mus, SCM output_def, SCM key),
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"Process @var{mus} according to @var{output_def}. \n"
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"An interpretation context is set up,\n"
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"and @var{mus} is interpreted with it. \n"
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"The context is returned in its final state.\n"
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"Optionally, this routine takes an Object-key to\n"
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"to uniquely identify the Score block containing it.\n")
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Output_def *odef = unsmob_output_def (output_def);
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Music *music = unsmob_music (mus);
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|| !music->get_length ().to_bool ())
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warning (_ ("no music found in score"));
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SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
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SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__,
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Global_context *trans = new Global_context (odef, music->get_length (),
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programming_error ("no toplevel translator");
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message (_ ("Interpreting music... "));
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SCM protected_iter = Music_iterator::get_static_get_iterator (music);
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Music_iterator *iter = unsmob_iterator (protected_iter);
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iter->init_translator (music, trans);
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iter->construct_children ();
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warning (_ ("no music found in score"));
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/* todo: should throw exception. */
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trans->run_iterator_on_me (iter);
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scm_remember_upto_here_1 (protected_iter);
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if (be_verbose_global)
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message (_f ("elapsed time: %.2f seconds", timer.read ()));
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return trans->unprotect ();