X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Finclude%2Fscm-hash.hh;h=c81225913fd3359e29eaa2389e038914b4193f0c;hb=d61cf3bbdb1c6670a127ba3baddf2f04d3e34fd3;hp=6ced1f5e216e389a39f0cfed47939a8b342f00ac;hpb=a276a19dc6bd57832db3107f2f2cbb04cb4677b6;p=lilypond.git

diff --git a/lily/include/scm-hash.hh b/lily/include/scm-hash.hh
index 6ced1f5e21..c81225913f 100644
--- a/lily/include/scm-hash.hh
+++ b/lily/include/scm-hash.hh
@@ -1,9 +1,20 @@
 /*
-  scm-hash.hh -- declare Scheme hasher.
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1999--2012 Han-Wen Nienhuys <hanwen@xs4all.nl>
 
-  (c) 1999--2007 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/>.
 */
 
 #ifndef SCM_HASH_HH
@@ -11,25 +22,25 @@
 
 #include "smobs.hh"
 
-/**
-   auto resizing hash table.
+/*
+  hash table.
 
-   1. ALWAYS USE THIS AS VIA A POINTER, i.e.
+  1. ALWAYS USE THIS AS VIA A POINTER, i.e.
 
-   class Foo {
-   Scheme_hash_table * tab;
-   };
+  class Foo {
+  Scheme_hash_table * tab;
+  };
 
-   and NOT
+  and NOT
 
-   class Foo {
-   Scheme_hash_table tab;
-   }
+  class Foo {
+  Scheme_hash_table tab;
+  }
 
 
-   2. UPON DESTRUCTION, DO
+  2. UPON DESTRUCTION, DO
 
-   scm_gc_unprotect_object (tab->self_scm_);
+  scm_gc_unprotect_object (tab->self_scm_);
 */
 
 class Scheme_hash_table
@@ -37,23 +48,17 @@ class Scheme_hash_table
 public:
   bool try_retrieve (SCM key, SCM *val);
   bool contains (SCM key) const;
-
-  /**
-     WARNING: putting something in assumes responsibility for cleaning
-     up.  */
   void set (SCM k, SCM v);
   SCM get (SCM k) const;
   void remove (SCM k);
   Scheme_hash_table ();
   void operator = (Scheme_hash_table const &);
   Scheme_hash_table (Scheme_hash_table const &);
-
   SCM to_alist () const;
 
 private:
   SCM hash_tab_;
-  unsigned elt_count_;
-
+  void copy (Scheme_hash_table const &src);
   DECLARE_SMOBS (Scheme_hash_table);
 };