1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/gperf/src/gen-perf.h b/contrib/gperf/src/gen-perf.h
new file mode 100644
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--- /dev/null
+++ b/contrib/gperf/src/gen-perf.h
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+/* This may look like C code, but it is really -*- C++ -*- */
+
+/* Provides high-level routines to manipulate the keyword list
+   structures the code generation output.
+
+   Copyright (C) 1989-1998 Free Software Foundation, Inc.
+   written by Douglas C. Schmidt (schmidt@ics.uci.edu)
+
+This file is part of GNU GPERF.
+
+GNU GPERF 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 1, or (at your option)
+any later version.
+
+GNU GPERF 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 GNU GPERF; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#ifndef gen_perf_h
+#define gen_perf_h 1
+
+#include "key-list.h"
+#include "bool-array.h"
+
+class Gen_Perf : private Key_List, private Bool_Array
+{
+private:
+  int         max_hash_value;    /* Maximum possible hash value. */
+  int         fewest_collisions; /* Records fewest # of collisions for asso value. */
+  int         num_done;          /* Number of keywords processed without a collision. */
+
+  void        change (List_Node *prior, List_Node *curr);
+  int         affects_prev (char c, List_Node *curr);
+  static int  hash (List_Node *key_node);
+  static int  compute_disjoint_union (const char *set_1, const char *set_2, char *set_3);
+  static void sort_set (char *union_set, int len);
+
+public:
+              Gen_Perf (void);
+             ~Gen_Perf (void);
+  int         operator () (void);
+};
+
+#endif