X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Finput-smob.cc;h=4a5f131a048c2e5f09c5e78ef99d8eb630ee9bd4;hb=a6bd229f7fe1dc4a03478e14ccc0c0c66b225061;hp=75d00c25f19ac02ccc9ccc6798ad95b2c2c17cd7;hpb=c55516be102522ee7de70c8c4d7de55a88769b51;p=lilypond.git

diff --git a/lily/input-smob.cc b/lily/input-smob.cc
index 75d00c25f1..4a5f131a04 100644
--- a/lily/input-smob.cc
+++ b/lily/input-smob.cc
@@ -1,30 +1,49 @@
-/*   
-  input-smob.cc --  implement Input smob
-  
-  source file of the GNU LilyPond music typesetter
-  
-  (c) 2000--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-  
- */
+/*
+  This file is part of LilyPond, the GNU music typesetter.
+
+  Copyright (C) 2000--2010 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.  */
+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;
 }
 
@@ -35,10 +54,17 @@ free_smob (SCM s)
   return 0;
 }
 
-SCM
-ly_input_p (SCM x)
+static SCM
+equal_smob (SCM sa, SCM sb)
 {
-  return unsmob_input (x) ? SCM_BOOL_T : SCM_BOOL_F ;
+  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
@@ -48,39 +74,29 @@ 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_c_define_gsubr ("ly-input-location?", 1, 0, 0,
-		      (Scheme_function_unknown)ly_input_p);
+  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 (SCM_CAR (s) == (SCM)input_tag) // ugh.
-    return (Input*) SCM_CDR (s);
-  else						
-    return 0;					
+    return (Input *) SCM_CDR (s);
+  else
+    return 0;
 }
 
-
 ADD_SCM_INIT_FUNC (input, start_input_smobs);
 
-
-Input dummy_input_global;
-