-/*
- input-smob.cc -- implement Input smob
-
- source file of the GNU LilyPond music typesetter
-
- (c) 2000--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+/*
+ This file is part of LilyPond, the GNU music typesetter.
+
+ Copyright (C) 2000--2014 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 "input.hh"
-#include "input-smob.hh"
-#include "string.hh"
+#include "source-file.hh"
+#include "std-string.hh"
+
#include "ly-smobs.icc"
/* Dummy input location for use if real one is missing. */
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 () + ">";
- scm_puts (str.to_str0 (), port);
+ 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
{
Input *nip = new Input (ip);
SCM z;
-
+
SCM_NEWSMOB (z, input_tag, nip);
return z;
}
-Input *
+Input *
unsmob_input (SCM s)
{
if (SCM_IMP (s))
return 0;
if (SCM_CAR (s) == (SCM)input_tag) // ugh.
- return (Input*) SCM_CDR (s);
- else
- return 0;
-}
-
-/* We don't use IMPLEMENT_TYPE_P, since the smobification part is
- implemented separately from the class. */
-LY_DEFINE (ly_input, "ly:input-location?", 1, 0, 0,
- (SCM x),
- "Return #t if @var{x} is an input location.")
-{
- return unsmob_input (x) ? SCM_BOOL_T : SCM_BOOL_F;
-}
-
-LY_DEFINE (ly_input_message, "ly:input-message", 2, 0, 0, (SCM sip, SCM msg),
- "Print @var{msg} as a GNU compliant error message, pointing to the"
- "location in @var{sip}.\n")
-{
- Input *ip = unsmob_input (sip);
- SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
- SCM_ASSERT_TYPE (scm_is_string (msg), msg, SCM_ARG2, __FUNCTION__, "string");
-
- String m = ly_scm2string (msg);
- ip->message (m);
-
- return SCM_UNSPECIFIED;
-}
-
-/*
- TODO: rename this function. ly:input-location? vs ly:input-location
- */
-LY_DEFINE (ly_input_location, "ly:input-location", 1, 0, 0, (SCM sip),
- "Return input location in @var{sip} as (filename line column).")
-{
- Input *ip = unsmob_input (sip);
- SCM_ASSERT_TYPE (ip, sip, SCM_ARG1, __FUNCTION__, "input location");
- return scm_list_3 (scm_makfrom0str (ip->file_string ().to_str0 ()),
- scm_int2num (ip->line_number ()),
- scm_int2num (ip->column_number ()));
+ return (Input *) SCM_CDR (s);
+ else
+ return 0;
}
ADD_SCM_INIT_FUNC (input, start_input_smobs);