X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Fglobal-context-scheme.cc;h=a8289d52cf549fcabc63e829ed08b3e7606dd44b;hb=4d405ef96a8a62771d7d9a283ff5369a772e89d8;hp=9229a8a0d956d8124cfd83aa671cbfb185f08d7a;hpb=862601226f319d2395794fe1175e7f17485b8e19;p=lilypond.git diff --git a/lily/global-context-scheme.cc b/lily/global-context-scheme.cc index 9229a8a0d9..a8289d52cf 100644 --- a/lily/global-context-scheme.cc +++ b/lily/global-context-scheme.cc @@ -1,9 +1,20 @@ /* - 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 - (c) 2005--2006 Han-Wen Nienhuys + 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 . */ #include "cpu-timer.hh" @@ -13,32 +24,36 @@ #include "music-iterator.hh" #include "music-output.hh" #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", - 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 (unsmob_context (context)); - SCM_ASSERT_TYPE (g, context, SCM_ARG1, __FUNCTION__, "Global context"); + Global_context *g = unsmob (context); + + LY_ASSERT_SMOB (Global_context, context, 1); SCM output = g->get_output (); progress_indication ("\n"); - unsmob_music_output (output)->process (); + + if (Music_output *od = unsmob (output)) + od->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.") + 1, 0, 0, (SCM global), + "Create a translator group and connect it to the global context" + " @var{global}. The translator group is returned.") { - Global_context *g = dynamic_cast (unsmob_context (global)); - SCM_ASSERT_TYPE (g, global, SCM_ARG1, __FUNCTION__, "Global context"); + Global_context *g = unsmob (global); + LY_ASSERT_SMOB (Global_context, global, 1); Translator_group *tg = new Translator_group (); tg->connect_to_context (g); @@ -47,47 +62,50 @@ LY_DEFINE (ly_make_global_translator, "ly:make-global-translator", return tg->unprotect (); } -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") +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.") { - Output_def *odef = unsmob_output_def (output_def); - Music *music = unsmob_music (mus); + LY_ASSERT_SMOB (Output_def, output_def, 1); + Output_def *odef = unsmob (output_def); + + Global_context *glob = new Global_context (odef); - if (!music - || !music->get_length ().to_bool ()) + 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 *glob = new Global_context (odef, unsmob_key (key)); - if (!glob) + Music *music = unsmob (mus); + if (!music) { - programming_error ("Couldn't create Global context"); + warning (_ ("no music found in score")); return SCM_BOOL_F; } - SCM tgs = ly_make_global_translator (glob->self_scm ()); - Translator_group *tg = unsmob_translator_group (tgs); + Global_context *g = unsmob (ctx); + + Cpu_timer timer; - message (_ ("Interpreting music... ")); + message (_ ("Interpreting music...")); SCM protected_iter = Music_iterator::get_static_get_iterator (music); - Music_iterator *iter = unsmob_iterator (protected_iter); - iter->init_translator (music, glob); + Music_iterator *iter = unsmob (protected_iter); + + iter->init_context (music, g); iter->construct_children (); if (!iter->ok ()) @@ -97,13 +115,33 @@ LY_DEFINE (ly_run_translator, "ly:run-translator", return SCM_BOOL_F; } - glob->run_iterator_on_me (iter); + g->run_iterator_on_me (iter); + iter->quit (); scm_remember_upto_here_1 (protected_iter); - send_stream_event (glob, "Finish", 0, 0); - if (be_verbose_global) - message (_f ("elapsed time: %.2f seconds", timer.read ())); + send_stream_event (g, "Finish", 0); - return glob->unprotect (); + 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); + + SCM glob = ly_make_global_context (output_def); + ly_make_global_translator (glob); + ly_interpret_music_expression (mus, glob); + return glob; }