Subversion Repositories tendra.SVN

/*
                 Crown Copyright (c) 1997
    
    This TenDRA(r) Computer Program is subject to Copyright
    owned by the United Kingdom Secretary of State for Defence
    acting through the Defence Evaluation and Research Agency
    (DERA).  It is made available to Recipients with a
    royalty-free licence for its use, reproduction, transfer
    to other parties and amendment for any purpose not excluding
    product development provided that any such use et cetera
    shall be deemed to be acceptance of the following conditions:-
    
        (1) Its Recipients shall ensure that this Notice is
        reproduced upon any copies or amended versions of it;
    
        (2) Any amended version of it shall be clearly marked to
        show both the nature of and the organisation responsible
        for the relevant amendment or amendments;
    
        (3) Its onward transfer from a recipient to another
        party shall be deemed to be that party's acceptance of
        these conditions;
    
        (4) DERA gives no warranty or assurance as to its
        quality or suitability for any purpose and DERA accepts
        no liability whatsoever in relation to any use to which
        it may be put.
*/


#ifndef LEX_INCLUDED
#define LEX_INCLUDED


/*
    DECLARATIONS FOR LEXICAL ANALYSIS ROUTINES
*/

extern int open_file PROTO_S ( ( char * ) ) ;
extern void close_file PROTO_S ( ( void ) ) ;
extern int read_token PROTO_S ( ( void ) ) ;
extern COMMAND read_template PROTO_S ( ( COMMAND ) ) ;
extern unsigned token_value ;
extern char token_buff [] ;
extern char *first_comment ;
extern int crt_lex_token ;
extern int saved_lex_token ;


/*
     PARSER MACROS
*/

#define CURRENT_TERMINAL        crt_lex_token
#define ADVANCE_LEXER           crt_lex_token = read_token ()
#define SAVE_LEXER( T )         ( saved_lex_token = crt_lex_token,\
                                  crt_lex_token = ( T ) )
#define RESTORE_LEXER           ( crt_lex_token = saved_lex_token )


#endif