1 files changed, 0 insertions, 212 deletions
diff --git a/gnu/usr.bin/groff/troff/dictionary.cc b/gnu/usr.bin/groff/troff/dictionary.cc
deleted file mode 100644
index fc71e3c5c6b..00000000000
--- a/gnu/usr.bin/groff/troff/dictionary.cc
+++ /dev/null
@@ -1,212 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
-     Written by James Clark (jjc@jclark.com)
-
-This file is part of groff.
-
-groff 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 2, or (at your option) any later
-version.
-
-groff 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 groff; see the file COPYING.  If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-
-#include "troff.h"
-#include "symbol.h"
-#include "dictionary.h"
-  
-// is `p' a good size for a hash table
-
-static int is_good_size(int p)
-{
-  const int SMALL = 10;
-  unsigned i;
-  for (i = 2; i <= p/2; i++)
-    if (p % i == 0)
-      return 0;
-  for (i = 0x100; i != 0; i <<= 8)
-    if (i % p <= SMALL || i % p > p - SMALL)
-      return 0;
-  return 1;
-}
-
-dictionary::dictionary(int n) : threshold(0.5), factor(1.5), used(0), size(n)
-{
-  table = new association[n];
-}
-
-// see Knuth, Sorting and Searching, p518, Algorithm L
-// we can't use double-hashing because we want a remove function
-
-void *dictionary::lookup(symbol s, void *v)
-{
-  int i;
-  for (i = int(s.hash() % size); 
-       table[i].v != 0;
-       i == 0 ? i = size - 1: --i)
-    if (s == table[i].s) {
-      if (v != 0) {
-	void *temp = table[i].v;
-	table[i].v = v;
-	return temp;
-      }
-      else
-	return table[i].v;
-    }
-  if (v == 0)
-    return 0;
-  ++used;
-  table[i].v = v;
-  table[i].s = s;
-  if ((double)used/(double)size >= threshold || used + 1 >= size) {
-    int old_size = size;
-    size = int(size*factor);
-    while (!is_good_size(size))
-      ++size;
-    association *old_table = table;
-    table = new association[size];
-    used = 0;
-    for (i = 0; i < old_size; i++)
-      if (old_table[i].v != 0)
-	(void)lookup(old_table[i].s, old_table[i].v);
-    a_delete old_table;
-  }
-  return 0;
-}
-
-void *dictionary::lookup(const char *p)
-{
-  symbol s(p, MUST_ALREADY_EXIST);
-  if (s.is_null())
-    return 0;
-  else
-    return lookup(s);
-}
-
-// see Knuth, Sorting and Searching, p527, Algorithm R
-  
-void *dictionary::remove(symbol s)
-{
-  // this relies on the fact that we are using linear probing
-  int i;
-  for (i = int(s.hash() % size);
-       table[i].v != 0 && s != table[i].s;
-       i == 0 ? i = size - 1: --i)
-    ;
-  void *p = table[i].v;
-  while (table[i].v != 0) {
-    table[i].v = 0;
-    int j = i;
-    int r;
-    do {
-      --i;
-      if (i < 0)
-	i = size - 1;
-      if (table[i].v == 0)
-	break;
-      r = int(table[i].s.hash() % size);
-    } while ((i <= r && r < j) || (r < j && j < i) || (j < i && i <= r));
-    table[j] = table[i];
-  }
-  if (p != 0)
-    --used;
-  return p;
-}
-
-dictionary_iterator::dictionary_iterator(dictionary &d) : dict(&d), i(0)
-{
-}
-
-int dictionary_iterator::get(symbol *sp, void **vp)
-{
-  for (; i < dict->size; i++)
-    if (dict->table[i].v) {
-      *sp = dict->table[i].s;
-      *vp = dict->table[i].v;
-      i++;
-      return 1;
-    }
-  return 0;
-}
-
-object_dictionary_iterator::object_dictionary_iterator(object_dictionary &od)
-     : di(od.d)
-{
-}
-
-object::object() : rcount(0)
-{
-}
-
-object::~object()
-{
-}
-
-void object::add_reference()
-{
-  rcount += 1;
-}
-
-void object::remove_reference()
-{
-  if (--rcount == 0)
-    delete this;
-}
-
-object_dictionary::object_dictionary(int n) : d(n)
-{
-}
-
-object *object_dictionary::lookup(symbol nm)
-{
-  return (object *)d.lookup(nm);
-}
-
-void object_dictionary::define(symbol nm, object *obj)
-{
-  obj->add_reference();
-  obj = (object *)d.lookup(nm, obj);
-  if (obj)
-    obj->remove_reference();
-}
-
-void object_dictionary::rename(symbol oldnm, symbol newnm)
-{
-  object *obj = (object *)d.remove(oldnm);
-  if (obj) {
-    obj = (object *)d.lookup(newnm, obj);
-    if (obj)
-      obj->remove_reference();
-  }
-}
-
-void object_dictionary::remove(symbol nm)
-{
-  object *obj = (object *)d.remove(nm);
-  if (obj)
-    obj->remove_reference();
-}
-
-// Return non-zero if oldnm was defined.
-
-int object_dictionary::alias(symbol newnm, symbol oldnm)
-{
-  object *obj = (object *)d.lookup(oldnm);
-  if (obj) {
-    obj->add_reference();
-    obj = (object *)d.lookup(newnm, obj);
-    if (obj)
-      obj->remove_reference();
-    return 1;
-  }
-  return 0;
-}
-