File: parser2.g

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

header {
# empty header
}

options {
    language="Python";
}

class SimpleParser2 extends Parser;

options {
    k=3;
    importVocab=Simple;
}

simple : (x)+;
x 		 : (a | b);

a :  C B A;
b : D B A;