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/*
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Crown Copyright (c) 1997
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This TenDRA(r) Computer Program is subject to Copyright
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owned by the United Kingdom Secretary of State for Defence
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acting through the Defence Evaluation and Research Agency
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(DERA). It is made available to Recipients with a
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royalty-free licence for its use, reproduction, transfer
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to other parties and amendment for any purpose not excluding
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product development provided that any such use et cetera
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shall be deemed to be acceptance of the following conditions:-
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(1) Its Recipients shall ensure that this Notice is
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reproduced upon any copies or amended versions of it;
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(2) Any amended version of it shall be clearly marked to
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show both the nature of and the organisation responsible
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for the relevant amendment or amendments;
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(3) Its onward transfer from a recipient to another
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party shall be deemed to be that party's acceptance of
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these conditions;
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(4) DERA gives no warranty or assurance as to its
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quality or suitability for any purpose and DERA accepts
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no liability whatsoever in relation to any use to which
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it may be put.
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*/
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/*
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AUTOMATICALLY GENERATED BY lexi VERSION 1.1
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*/
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/* LOOKUP TABLE */
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static unsigned char lookup_tab [257] = {
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0001, 0x0001, 0x0000, 0x0000, 0x0001, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0001, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x001c, 0x001c, 0x001c, 0x001c, 0x001c, 0x001c, 0x001c, 0x001c,
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0x001c, 0x001c, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x001a, 0x001a, 0x001a, 0x001a, 0x001a, 0x001a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x0000, 0x0000, 0x0000, 0x0000, 0x000a,
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0x0000, 0x001a, 0x001a, 0x001a, 0x001a, 0x001a, 0x001a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a, 0x000a,
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0x000a, 0x000a, 0x000a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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0x0000
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} ;
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#ifndef LEX_EOF
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#define LEX_EOF 256
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#endif
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#define lookup_char( C ) ( ( int ) lookup_tab [ ( C ) ] )
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#define is_white( T ) ( ( T ) & 0x0001 )
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#define is_alpha( T ) ( ( T ) & 0x0002 )
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#define is_digit( T ) ( ( T ) & 0x0004 )
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#define is_alphanum( T ) ( ( T ) & 0x0008 )
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#define is_hexdigit( T ) ( ( T ) & 0x0010 )
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#ifndef PROTO_Z
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#ifdef __STDC__
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#define PROTO_Z() ( void )
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#else
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#define PROTO_Z() ()
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#endif
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#endif
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/* MAIN PASS ANALYSER */
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int read_token PROTO_Z ()
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{
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start : {
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int c0 = read_char (), t0 ;
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t0 = lookup_char ( c0 ) ;
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if ( is_white ( t0 ) ) goto start ;
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switch ( c0 ) {
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case '!' : {
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return ( lex_exclaim ) ;
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}
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case '"' : {
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return ( get_string ( c0 ) ) ;
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}
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case '#' : {
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return ( lex_hash ) ;
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}
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case '%' : {
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return ( lex_rem ) ;
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}
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case '&' : {
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return ( lex_and ) ;
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}
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case '(' : {
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return ( lex_open_Hround ) ;
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}
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case ')' : {
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return ( lex_close_Hround ) ;
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}
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case '*' : {
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return ( lex_star ) ;
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}
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case '+' : {
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return ( lex_plus ) ;
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}
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case ',' : {
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return ( lex_comma ) ;
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}
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case '-' : {
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int c1 = read_char () ;
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if ( c1 == '>' ) {
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return ( lex_arrow ) ;
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}
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unread_char ( c1 ) ;
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return ( lex_minus ) ;
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}
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case '.' : {
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return ( lex_dot ) ;
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}
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case '/' : {
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int c1 = read_char () ;
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if ( c1 == '*' ) {
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return ( get_comment ( c0, c1 ) ) ;
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}
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unread_char ( c1 ) ;
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return ( lex_div ) ;
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}
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case '0' : {
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int c1 = read_char () ;
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if ( c1 == 'X' ) {
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int c2 = read_char (), t2 ;
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t2 = lookup_char ( c2 ) ;
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if ( is_hexdigit ( t2 ) ) {
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return ( get_hex ( c0, c1, c2 ) ) ;
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}
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unread_char ( c2 ) ;
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} else if ( c1 == 'x' ) {
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int c2 = read_char (), t2 ;
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t2 = lookup_char ( c2 ) ;
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if ( is_hexdigit ( t2 ) ) {
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return ( get_hex ( c0, c1, c2 ) ) ;
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}
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unread_char ( c2 ) ;
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}
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unread_char ( c1 ) ;
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break ;
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}
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case ':' : {
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int c1 = read_char () ;
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if ( c1 == ':' ) {
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return ( lex_colon_Hcolon ) ;
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}
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unread_char ( c1 ) ;
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return ( lex_colon ) ;
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}
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case ';' : {
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return ( lex_semicolon ) ;
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}
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case '<' : {
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int c1 = read_char () ;
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if ( c1 == '<' ) {
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return ( lex_lshift ) ;
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}
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unread_char ( c1 ) ;
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break ;
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}
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case '=' : {
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return ( lex_equal ) ;
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}
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case '>' : {
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int c1 = read_char () ;
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if ( c1 == '>' ) {
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return ( lex_rshift ) ;
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}
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unread_char ( c1 ) ;
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break ;
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}
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case '?' : {
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return ( lex_question ) ;
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}
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case '[' : {
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return ( lex_open_Hsquare ) ;
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}
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case ']' : {
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return ( lex_close_Hsquare ) ;
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}
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case '^' : {
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return ( lex_xor ) ;
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}
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case '{' : {
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return ( lex_open_Hbrace ) ;
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}
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case '|' : {
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return ( lex_or ) ;
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}
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case '}' : {
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return ( lex_close_Hbrace ) ;
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}
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case '~' : {
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return ( lex_compl ) ;
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}
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case LEX_EOF : {
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return ( lex_eof ) ;
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}
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}
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if ( is_alpha ( t0 ) ) {
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return ( get_identifier ( c0 ) ) ;
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} else if ( is_digit ( t0 ) ) {
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return ( get_number ( c0 ) ) ;
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}
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return ( unknown_token ( c0 ) ) ;
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}
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}
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