source file of the GNU LilyPond music typesetter
- (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#include <stdio.h>
Score::Score ()
: Input ()
{
- input_file_ = 0;
header_ = SCM_EOL;
music_ = SCM_EOL;
- errorlevel_ = 0;
smobify_self ();
}
+Score::~Score ()
+{
+
+}
+
+
+
+
+IMPLEMENT_SMOBS (Score);
+IMPLEMENT_DEFAULT_EQUAL_P (Score);
+
+
+SCM
+Score::mark_smob (SCM s)
+{
+ Score * sc = (Score*) SCM_CELL_WORD_1 (s);
+
+ if (sc->header_)
+ scm_gc_mark (sc->header_);
+ for (int i = sc->defs_.size (); i--;)
+ scm_gc_mark (sc->defs_[i]->self_scm ());
+
+ return sc->music_;
+}
+
+int
+Score::print_smob (SCM , SCM p, scm_print_state*)
+{
+ scm_puts ("#<Score>", p);
+
+ return 1;
+}
+
+
+
/*
store point & click locations.
Global to save some time. (Sue us!)
*/
-bool store_locations_global_b;
Score::Score (Score const &s)
: Input (s)
for (int i=0; i < s.defs_.size (); i++)
defs_.push (s.defs_[i]->clone ());
- errorlevel_ = s.errorlevel_;
- header_ = ly_make_anonymous_module ();
- ly_copy_module_variables (header_, s.header_);
-}
-Score::~Score ()
-{
-
+ header_ = ly_make_anonymous_module ();
+ if (ly_module_p (s.header_))
+ ly_copy_module_variables (header_, s.header_);
}
-void
-Score::run_translator (Music_output_def *odef)
+LY_DEFINE(ly_run_translator, "ly:run-translator",
+ 2, 0, 0,
+ (SCM mus, SCM output_def),
+ "Process @var{mus} according to @var{output_def}. A interpretation "
+"context is set up, and @var{mus} is interpreted with it. The "
+"context is returned in its final state." )
{
- /*
- We want to know if we want to store locations, since they take a
- lot of overhead.
- */
- store_locations_global_b = (gh_eval_str ("point-and-click") != SCM_BOOL_F);
+ Music_output_def *odef = unsmob_music_output_def (output_def);
+ Music * music = unsmob_music (mus);
+
+ SCM_ASSERT_TYPE (music, mus, SCM_ARG1, __FUNCTION__, "Music");
+ SCM_ASSERT_TYPE (odef, output_def, SCM_ARG2, __FUNCTION__, "Output definition");
Cpu_timer timer;
Global_translator * trans = odef->get_global_translator ();
if (!trans)
{
programming_error ("no toplevel translator");
- return ;
+ return SCM_BOOL_F;
}
progress_indication (_ ("Interpreting music..."));
- Music * music = unsmob_music (music_);
- trans->final_mom_ = music->length_mom ();
+ trans->final_mom_ = music->get_length ();
SCM protected_iter = Music_iterator::get_static_get_iterator (music);
Music_iterator * iter = unsmob_iterator (protected_iter);
iter->init_translator (music, trans);
if (! iter->ok ())
{
warning (_ ("Need music in a score"));
- errorlevel_ =1;
- return ;
+ return SCM_BOOL_F; // todo: shoudl throw exception.
}
trans->start ();
scm_remember_upto_here_1 (protected_iter);
trans->finish ();
- if (errorlevel_)
- {
- // should we? hampers debugging.
- warning (_ ("Errors found/*, not processing score*/"));
- }
-
- Music_output * output = trans->get_output ();
- scm_gc_unprotect_object (trans->self_scm ());
-
if (verbose_global_b)
progress_indication (_f ("elapsed time: %.2f seconds", timer.read ()));
- if (!header_)
- header_ = ly_make_anonymous_module(); // ug.h
-
- output->header_ = header_;
- output->origin_string_ = location_string ();
-
- progress_indication ("\n");
- output->process ();
- delete output ;
-}
-
-void
-Score::process ()
-{
- if (!unsmob_music (music_))
- return;
-
- for (int i=0; i < defs_.size (); i++)
- {
- if (no_paper_global_b
- && dynamic_cast<Paper_def*> (defs_[i]))
- continue;
- run_translator (defs_[i]);
- }
+ return scm_gc_unprotect_object (trans->self_scm ());
}
-void
-Score::add_output (Music_output_def *pap)
+LY_DEFINE(ly_render_output, "ly:render-output",
+ 3,0,0,
+ (SCM context, SCM header, SCM out_filename),
+ "Given a Score context in its final state, calculate the output, "
+ "and dump the result to @var{out-filename}, using "
+ "@var{header} for the bibliographic information.")
{
- defs_.push (pap);
-}
-
-IMPLEMENT_SMOBS (Score);
-IMPLEMENT_DEFAULT_EQUAL_P (Score);
-
+ Translator *tr = unsmob_translator (context);
+ Global_translator * gt = dynamic_cast<Global_translator*> (tr);
+
+ SCM_ASSERT_TYPE(gt, context, SCM_ARG1, __FUNCTION__,
+ "Score context");
+ SCM_ASSERT_TYPE(ly_module_p(header), header, SCM_ARG2, __FUNCTION__,
+ "module");
+ SCM_ASSERT_TYPE(gh_string_p (out_filename), out_filename, SCM_ARG3, __FUNCTION__,
+ "output filename");
-SCM
-Score::mark_smob (SCM s)
-{
- Score * sc = (Score*) SCM_CELL_WORD_1 (s);
+ Music_output * output = gt->get_output ();
- scm_gc_mark (sc->header_);
- for (int i = sc->defs_.size (); i--;)
- scm_gc_mark (sc->defs_[i]->self_scm ());
+ output->header_ = header;
- return sc->music_;
+ progress_indication ("\n");
+ output->process (ly_scm2string (out_filename));
+
+ delete output ;
+
+ return SCM_UNDEFINED ;
}
-int
-Score::print_smob (SCM , SCM p, scm_print_state*)
+void
+default_rendering (SCM mus, SCM outdef, SCM head, SCM outname)
{
- scm_puts ("#<Score>", p);
-
- return 1;
+ SCM context = ly_run_translator (mus, outdef);
+
+ if (unsmob_translator (context))
+ ly_render_output (context, head, outname);
}