/* This may look like C code, but it is really -*- C++ -*- */

/* Input routines.

   Copyright (C) 1989-1998, 2002-2003 Free Software Foundation, Inc.

   Written by Douglas C. Schmidt <schmidt@ics.uci.edu>

   and Bruno Haible <bruno@clisp.org>.

   This file is part of GNU GPERF.

   This program 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 3 of the License, or

   (at your option) any later version.

   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef input_h

#define input_h 1

#include <stdio.h>

#include "keyword-list.h"

class Input

{

public:

                        Input (FILE *stream, Keyword_Factory *keyword_factory);

                        ~Input ();

  void                  read_input ();

private:

  /* Input stream.  */

  FILE *                _stream;

  /* Creates the keywords.  */

  Keyword_Factory * const _factory;

public:

  /* Memory block containing the entire input.  */

  char *                _input;

  char *                _input_end;

  /* The C code from the declarations section.  */

  const char *          _verbatim_declarations;

  const char *          _verbatim_declarations_end;

  unsigned int          _verbatim_declarations_lineno;

  /* The C code from the end of the file.  */

  const char *          _verbatim_code;

  const char *          _verbatim_code_end;

  unsigned int          _verbatim_code_lineno;

  /* Declaration of struct type for a keyword and its attributes.  */

  const char *          _struct_decl;

  unsigned int          _struct_decl_lineno;

  /* Return type of the lookup function.  */

  const char *          _return_type;

  /* Shorthand for user-defined struct tag type.  */

  const char *          _struct_tag;

  /* List of all keywords.  */

  Keyword_List *        _head;

  /* Whether the keyword chars would have different values in a different

     character set.  */

  bool                  _charset_dependent;

};

#endif