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- // -*- 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- typedef void (*REQUEST_FUNCP)();
-
- class macro;
-
- class request_or_macro : public object {
- public:
- request_or_macro();
- virtual void invoke(symbol s) = 0;
- virtual macro *to_macro();
- };
-
- class request : public request_or_macro {
- REQUEST_FUNCP p;
- public:
- void invoke(symbol);
- request(REQUEST_FUNCP);
- };
-
- void delete_request_or_macro(request_or_macro *);
-
- extern object_dictionary request_dictionary;
-
- struct macro_header;
- struct node;
-
- class macro : public request_or_macro {
- macro_header *p;
- const char *filename; // where was it defined?
- int lineno;
- int length;
- public:
- macro();
- ~macro();
- macro(const macro &);
- macro &operator=(const macro &);
- void append(unsigned char);
- void append(node *);
- void invoke(symbol);
- macro *to_macro();
- void print_size();
- int empty();
- friend class string_iterator;
- friend void chop_macro();
- friend int operator==(const macro &, const macro &);
- };
-
- extern void init_input_requests();
- extern void init_div_requests();
- extern void init_node_requests();
- extern void init_reg_requests();
- extern void init_env_requests();
- extern void init_hyphen_requests();
- extern void init_request(const char *s, REQUEST_FUNCP f);
-
- extern int no_break_flag; // indicates whether request was invoked with . or '
-
- class charinfo;
- class environment;
-
- node *charinfo_to_node_list(charinfo *, const environment *);
-