Fix 1201.

[lilypond.git] / lily / ly-module.cc

diff --git a/lily/ly-module.cc b/lily/ly-module.cc
index 0f5fa5d46eca59c68faed03882df0963ea77c939..42ff2f8b063c85d514f2c27d5dc8e97135aa4f23 100644 (file)
--- a/lily/ly-module.cc
+++ b/lily/ly-module.cc
@@ -1,47 +1,31 @@
 /*
-  ly-module.cc -- implement guile module stuff.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 2002--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 2002--2005 Han-Wen Nienhuys <hanwen@cs.uu.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 "lily-guile.hh"
 #include "warn.hh"
 #include "main.hh"
-#include "string.hh"
+#include "std-string.hh"
 #include "protected-scm.hh"
 
-#ifdef MODULE_GC_KLUDGE
-Protected_scm anonymous_modules = SCM_EOL;
-bool perform_gc_kludge;
-#endif
-
-void
-clear_anonymous_modules ()
-{
-#ifdef MODULE_GC_KLUDGE
-  for (SCM s = anonymous_modules;
-       scm_is_pair (s);
-       s = scm_cdr (s))
-    {
-      SCM module = scm_car (s);
-      SCM closure = SCM_MODULE_EVAL_CLOSURE (module);
-      SCM prop = scm_procedure_property (closure, ly_symbol2scm ("module"));
-
-      if (ly_is_module (prop))
-       {
-         scm_set_procedure_property_x (closure, ly_symbol2scm ("module"),
-                                       SCM_BOOL_F);
-       }
-    }
-
-  anonymous_modules = SCM_EOL;
-#endif
-}
 
 SCM
-ly_make_anonymous_module (bool safe)
+ly_make_module (bool safe)
 {
   SCM mod = SCM_EOL;
   if (!safe)
@@ -63,10 +47,6 @@ ly_make_anonymous_module (bool safe)
       mod = scm_call_0 (proc);
     }
 
-#ifdef MODULE_GC_KLUDGE
-  if (perform_gc_kludge)
-    anonymous_modules = scm_cons (mod, anonymous_modules);
-#endif
 
   return mod;
 }
@@ -85,13 +65,7 @@ ly_use_module (SCM mod, SCM used)
 
 #define FUNC_NAME __FUNCTION__
 
-static SCM
-accumulate_symbol (void *closure, SCM key, SCM val, SCM result)
-{
-  (void) closure;
-  (void) val;
-  return scm_cons (key, result);
-}
+
 
 SCM
 ly_module_symbols (SCM mod)
@@ -99,28 +73,30 @@ ly_module_symbols (SCM mod)
   SCM_VALIDATE_MODULE (1, mod);
 
   SCM obarr = SCM_MODULE_OBARRAY (mod);
-  return scm_internal_hash_fold ((Hash_closure_function) & accumulate_symbol,
-                                NULL, SCM_EOL, obarr);
+  return ly_hash_table_keys (obarr);
 }
 
 static SCM
-entry_to_alist (void *closure, SCM key, SCM val, SCM result)
+entry_to_alist (void * /* closure */,
+               SCM key,
+               SCM val,
+               SCM result)
 {
-  (void) closure;
   if (scm_variable_bound_p (val) == SCM_BOOL_T)
     return scm_cons (scm_cons (key, scm_variable_ref (val)), result);
   programming_error ("unbound variable in module");
   return result;
 }
 
-LY_DEFINE (ly_module2alist, "ly:module->alist",
+LY_DEFINE (ly_module_2_alist, "ly:module->alist",
           1, 0, 0, (SCM mod),
-          "Dump the contents of  module @var{mod} as an alist.")
+          "Dump the contents of module @var{mod} as an alist.")
 {
   SCM_VALIDATE_MODULE (1, mod);
   SCM obarr = SCM_MODULE_OBARRAY (mod);
 
-  return scm_internal_hash_fold ((Hash_closure_function) & entry_to_alist, NULL, SCM_EOL, obarr);
+  return scm_internal_hash_fold ((scm_t_hash_fold_fn) &entry_to_alist,
+                                NULL, SCM_EOL, obarr);
 }
 
 void
@@ -138,45 +114,3 @@ ly_reexport_module (SCM mod)
 {
   ly_export (mod, ly_module_symbols (mod));
 }
-
-#ifdef MODULE_GC_KLUDGE
-static SCM
-redefine_keyval (void *closure, SCM key, SCM val, SCM result)
-{
-  (void)closure;
-  SCM new_tab = result;
-  scm_hashq_set_x (new_tab, key, val);
-  return new_tab;
-}
-
-/*
-  UGH UGH.
-  Kludge for older GUILE 1.6 versions.
-*/
-void
-make_stand_in_procs_weak ()
-{
-  if (scm_weak_key_hash_table_p (scm_stand_in_procs) == SCM_BOOL_T)
-    {
-#if (SCM_MINOR_VERSION == 7) 
-      perform_gc_kludge = false;
-#endif
-      return; 
-    }
-  
-  perform_gc_kludge = true;
-  
-  
-  SCM old_tab = scm_stand_in_procs;
-  SCM new_tab = scm_make_weak_key_hash_table (scm_from_int (257));
-
-  new_tab = scm_internal_hash_fold ((Hash_closure_function) & redefine_keyval,
-                                   NULL,
-                                   new_tab,
-                                   old_tab);
-
-  scm_stand_in_procs = new_tab;
-}
-
-ADD_SCM_INIT_FUNC (make_stand_in_procs_weak, make_stand_in_procs_weak);
-#endif