84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
// -*- C++ -*-
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/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
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Written by James Clark (jjc@jclark.com)
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This file is part of groff.
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groff is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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groff is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License along
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with groff; see the file COPYING. If not, write to the Free Software
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Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: request.h,v 1.3 1993/08/02 17:45:39 mycroft Exp $
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*/
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typedef void (*REQUEST_FUNCP)();
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class macro;
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class request_or_macro : public object {
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public:
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request_or_macro();
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virtual void invoke(symbol s) = 0;
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virtual macro *to_macro();
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};
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class request : public request_or_macro {
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REQUEST_FUNCP p;
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public:
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void invoke(symbol);
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request(REQUEST_FUNCP);
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};
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void delete_request_or_macro(request_or_macro *);
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extern object_dictionary request_dictionary;
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struct macro_header;
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struct node;
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class macro : public request_or_macro {
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macro_header *p;
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const char *filename; // where was it defined?
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int lineno;
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int length;
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public:
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macro();
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~macro();
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macro(const macro &);
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macro &operator=(const macro &);
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void append(unsigned char);
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void append(node *);
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void invoke(symbol);
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macro *to_macro();
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void print_size();
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int empty();
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friend class string_iterator;
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friend void chop_macro();
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friend int operator==(const macro &, const macro &);
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};
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extern void init_input_requests();
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extern void init_div_requests();
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extern void init_node_requests();
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extern void init_reg_requests();
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extern void init_env_requests();
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extern void init_hyphen_requests();
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extern void init_request(const char *s, REQUEST_FUNCP f);
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extern int no_break_flag; // indicates whether request was invoked with . or '
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class charinfo;
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class environment;
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node *charinfo_to_node_list(charinfo *, const environment *);
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