/*
- input-smob.cc -- implement Input smob
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2000--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2000--2006 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.
-#include "input-smob.hh"
+ You should have received a copy of the GNU General Public License
+ along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+*/
-#include "string.hh"
+#include "input.hh"
+#include "source-file.hh"
+#include "std-string.hh"
#include "ly-smobs.icc"
static long input_tag;
-static
-SCM mark_smob (SCM)
+static SCM
+mark_smob (SCM s)
{
+ Input *sc = (Input *) SCM_CELL_WORD_1 (s);
+
+ if (Source_file *sf = sc->get_source_file ())
+ return sf->self_scm ();
+
return SCM_EOL;
}
static int
print_smob (SCM s, SCM port, scm_print_state *)
{
- String str = "#<location " + unsmob_input (s)->location_string () + ">";
+ string str = "#<location " + unsmob_input (s)->location_string () + ">";
scm_puts (str.c_str (), port);
return 1;
}
return 0;
}
+static SCM
+equal_smob (SCM sa, SCM sb)
+{
+ Input *a = (Input *) SCM_CELL_WORD_1 (sa);
+ Input *b = (Input *) SCM_CELL_WORD_1 (sb);
+ if (a->get_source_file () == b->get_source_file ()
+ && a->start () == b->start ()
+ && a->end () == b->end ())
+ return SCM_BOOL_T;
+ else
+ return SCM_BOOL_F;
+}
+
static void
start_input_smobs ()
{
scm_set_smob_mark (input_tag, mark_smob);
scm_set_smob_free (input_tag, free_smob);
scm_set_smob_print (input_tag, print_smob);
- scm_set_smob_equalp (input_tag, 0);
+ scm_set_smob_equalp (input_tag, equal_smob);
}
SCM