antlr-3.4/runtime/CSharp3/Sources/Antlr3.Runtime.Test/Composition/VecMath.g3

grammar VecMath;

options 
{
   ASTLabelType=CommonTree;
   output=AST;
   language=CSharp3;
}

import VecMath_Lexer, VecMath_Parser;

@lexer::namespace{Antlr3.Runtime.Test.Composition}
@parser::namespace{Antlr3.Runtime.Test.Composition}

public 
main
   : prog
   ;

dummy
   : 'DUMMY' // 1. If the parser or the composite grammar does not contain a token, no lexer is generated.
   ;