source: trunk/yao/share/antlr-2.7.7/examples/cpp/multiParser/lexer.g @ 1

/* This grammar demonstrates the use of two parsers sharing a token
 * vocabulary with a single lexer.
 */

header {
/* empty header */
}

options {
        language=Cpp;
}

class SimpleLexer extends Lexer;

options {
        exportVocab=Simple;
}

WS_     :       (' '
        |       '\t'    { tab(); }
        |       '\n'    { newline(); }
        |       '\r')
                { $setType(ANTLR_USE_NAMESPACE(antlr)Token::SKIP); }
        ;

A : 'a' | 'A' ;
B : 'b' | 'B' ;
C : 'c' | 'C' ;
D : 'd' | 'D' ;