-/*
- input-smob.cc -- implement Input smob
-
+/*
+ input-smob.cc -- implement Input smob
+
source file of the GNU LilyPond music typesetter
-
- (c) 2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
- */
+
+ (c) 2000--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+*/
#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. */
+Input dummy_input_global;
+
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_str () + ">";
- scm_puts (str.ch_C(), port);
+ string str = "#<location " + unsmob_input (s)->location_string () + ">";
+ scm_puts (str.c_str (), port);
return 1;
}
-static
-scm_sizet free_smob (SCM s)
+static size_t
+free_smob (SCM s)
{
delete unsmob_input (s);
return 0;
}
-static
-void start_input_smobs()
+static SCM
+equal_smob (SCM sa, SCM sb)
{
- input_tag
- = scm_make_smob_type_mfpe ("input", 0,
- mark_smob, free_smob,
- print_smob, 0);
+ 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 ()
+{
+ input_tag = scm_make_smob_type ("input", 0);
+ 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, equal_smob);
}
SCM
make_input (Input ip)
{
- Input * nip = new Input (ip);
+ Input *nip = new Input (ip);
SCM z;
-
- SCM_NEWCELL(z);
- SCM_SETCAR (z, (SCM)input_tag);
- SCM_SETCDR (z, (SCM)nip);
- // fixme: done_malloc
+
+ SCM_NEWSMOB (z, input_tag, nip);
return z;
}
-Input *
+Input *
unsmob_input (SCM s)
{
if (SCM_IMP (s))
return 0;
- if ((long)SCM_CAR(s) == input_tag) // ugh.
- return (Input*) SCM_CDR(s);
- else
- return 0;
+ if (SCM_CAR (s) == (SCM)input_tag) // ugh.
+ return (Input *) SCM_CDR (s);
+ else
+ return 0;
}
+ADD_SCM_INIT_FUNC (input, start_input_smobs);
-ADD_SCM_INIT_FUNC(input, start_input_smobs);
-
-
-Input dummy_input_global;