// -*- C++ -*- /* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2003 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, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, 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); extern void check_output_limits(int x, int y); extern void reset_output_registers(); reg *lookup_number_reg(symbol); #if 0 void inline_define_reg(); #endif |