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/** An adaptor that tells ANTLR to build CymbalAST nodes */ public static TreeAdaptor astAdaptor = new CommonTreeAdaptor() { public Object create(Token token) { return new GrammarAST(token); } public Object dupNode(Object t) { if ( t==null ) return null; return create(((GrammarAST)t).token); } public Object errorNode(TokenStream input, Token start, Token stop, RecognitionException e) { return new GrammarASTErrorNode(input, start, stop, e); } }; |
If using a buffered stream, send into ctor:
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BufferedTreeNodeStream nodes = new BufferedTreeNodeStream(astAdaptor,myRootNode);
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