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open-axiom repository from github

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/*

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  Copyright (C) 1991-2002, The Numerical Algorithms Group Ltd.

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  All rights reserved.

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  Copyright (C) 2007-2008, Gabriel Dos Reis.

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  All rights reserved.

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  Redistribution and use in source and binary forms, with or without

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  modification, are permitted provided that the following conditions are

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  met:

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      - Redistributions of source code must retain the above copyright

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        notice, this list of conditions and the following disclaimer.

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      - Redistributions in binary form must reproduce the above copyright

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        notice, this list of conditions and the following disclaimer in

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        the documentation and/or other materials provided with the

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        distribution.

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      - Neither the name of The Numerical Algorithms Group Ltd. nor the

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        names of its contributors may be used to endorse or promote products

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        derived from this software without specific prior written permission.

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  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS

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  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED

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  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

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  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER

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  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

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  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

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  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

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  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

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  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

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  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

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  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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*/

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#ifndef _LEX_H_

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#define _LEX_H_ 1

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#include "token.h"

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#define HTCONDNODE 1    /* unrecognized condition node */

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#define KEYTYPE    2    /* unrecognized keyword found in lex.c */

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#define Numerrors  2

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extern void get_expected_token(int);

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extern void parser_init();

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extern void init_scanner();

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extern void save_scanner_state();

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extern void restore_scanner_state();

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extern void unget_char(int);

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extern int get_char();

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extern void unget_token();

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extern int get_token();

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extern void push_be_stack(int, const char*);

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extern void check_and_pop_be_stack(int, const char*);

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extern int clear_be_stack();

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extern int be_type(const char*);

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extern int begin_type();

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extern int end_type();

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extern void reset_connection();

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extern void print_page_and_filename();

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extern void jump();

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extern void print_token();

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extern void token_name(int);

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extern void print_next_ten_tokens();

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extern long fpos, keyword_fpos;

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extern Token token;

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extern int last_token, last_ch;

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extern SourceInputKind input_type;

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extern char *input_string;

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extern FILE *cfile;

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extern short int gInSpadsrc;

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extern short int gInVerbatim;

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#endif

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