Package org.eclipse.persistence.internal.libraries.antlr.runtime

Examples of org.eclipse.persistence.internal.libraries.antlr.runtime.RecognizerSharedState


    protected TokenStream originalTokenStream;
    protected TreeAdaptor originalAdaptor;
   
    public TreeRewriter(TreeNodeStream input) {
        this(input, new RecognizerSharedState());
    }
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    public Object applyOnce(Object t, fptr whichRule) {
        if ( t==null ) return null;
        try {
            // share TreeParser object but not parsing-related state
            state = new RecognizerSharedState();
            input = new CommonTreeNodeStream(originalAdaptor, t);
            ((CommonTreeNodeStream)input).setTokenStream(originalTokenStream);
            setBacktrackingLevel(1);
            TreeRuleReturnScope r = (TreeRuleReturnScope)whichRule.rule();
            setBacktrackingLevel(0);
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    protected TokenStream originalTokenStream;
    protected TreeAdaptor originalAdaptor;

    public TreeFilter(TreeNodeStream input) {
        this(input, new RecognizerSharedState());
    }
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    public void applyOnce(Object t, fptr whichRule) {
        if ( t==null ) return;
        try {
            // share TreeParser object but not parsing-related state
            state = new RecognizerSharedState();
            input = new CommonTreeNodeStream(originalAdaptor, t);
            ((CommonTreeNodeStream)input).setTokenStream(originalTokenStream);
            setBacktrackingLevel(1);
            whichRule.rule();
            setBacktrackingLevel(0);
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