1 files changed, 73 insertions, 0 deletions
diff --git a/src/roff/troff/reg.h b/src/roff/troff/reg.h
new file mode 100644
index 00000000..51d5b9a1
--- /dev/null
+++ b/src/roff/troff/reg.h
@@ -0,0 +1,73 @@
+// -*- 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. */
+
+
+class reg : public object {
+public:
+  virtual const char *get_string() = 0;
+  virtual int get_value(units *);
+  virtual void increment();
+  virtual void decrement();
+  virtual void set_increment(units);
+  virtual void alter_format(char f, int w = 0);
+  virtual const char *get_format();
+  virtual void set_value(units);
+};
+
+class constant_int_reg : public reg {
+  int *p;
+public:
+  constant_int_reg(int *);
+  const char *get_string();
+};
+
+class general_reg : public reg {
+  char format;
+  int width;
+  int inc;
+public:
+  general_reg();
+  const char *get_string();
+  void increment();
+  void decrement();
+  void alter_format(char f, int w = 0);
+  void set_increment(units);
+  const char *get_format();
+  void add_value(units);
+
+  void set_value(units) = 0;
+  int get_value(units *) = 0;
+};
+
+class variable_reg : public general_reg {
+  units *ptr;
+public:
+  variable_reg(int *);
+  void set_value(units);
+  int get_value(units *);
+};
+
+extern object_dictionary number_reg_dictionary;
+extern void set_number_reg(symbol nm, units n);
+
+reg *lookup_number_reg(symbol);
+#if 0
+void inline_define_reg();
+#endif