Package org.antlr.runtime.tree

Examples of org.antlr.runtime.tree.CommonTree.addChild()

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    CommonTree r0 = new CommonTree(new CommonToken(101));
    CommonTree r1 = new CommonTree(new CommonToken(102));
    r0.addChild(r1);
    r1.addChild(new CommonTree(new CommonToken(103)));
    Tree r2 = new CommonTree(new CommonToken(106));
    r2.addChild(new CommonTree(new CommonToken(107)));
    r1.addChild(r2);
    r0.addChild(new CommonTree(new CommonToken(104)));
    r0.addChild(new CommonTree(new CommonToken(105)));

    CommonTree dup = (CommonTree)(new CommonTreeAdaptor()).dupTree(r0);
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  @Test public void testBecomeRoot() throws Exception {
    // 5 becomes new root of ^(nil 101 102 103)
    CommonTree newRoot = new CommonTree(new CommonToken(5));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
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    // 5 becomes new root of ^(nil 101 102 103)
    CommonTree newRoot = new CommonTree(new CommonToken(5));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
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    CommonTree newRoot = new CommonTree(new CommonToken(5));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
  }
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  @Test public void testBecomeRoot2() throws Exception {
    // 5 becomes new root of ^(101 102 103)
    CommonTree newRoot = new CommonTree(new CommonToken(5));

    CommonTree oldRoot = new CommonTree(new CommonToken(101));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
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    // 5 becomes new root of ^(101 102 103)
    CommonTree newRoot = new CommonTree(new CommonToken(5));

    CommonTree oldRoot = new CommonTree(new CommonToken(101));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
  }
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  }

  @Test public void testBecomeRoot3() throws Exception {
    // ^(nil 5) becomes new root of ^(nil 101 102 103)
    CommonTree newRoot = new CommonTree((Token)null);
    newRoot.addChild(new CommonTree(new CommonToken(5)));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));
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    // ^(nil 5) becomes new root of ^(nil 101 102 103)
    CommonTree newRoot = new CommonTree((Token)null);
    newRoot.addChild(new CommonTree(new CommonToken(5)));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
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    CommonTree newRoot = new CommonTree((Token)null);
    newRoot.addChild(new CommonTree(new CommonToken(5)));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
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    newRoot.addChild(new CommonTree(new CommonToken(5)));

    CommonTree oldRoot = new CommonTree((Token)null);
    oldRoot.addChild(new CommonTree(new CommonToken(101)));
    oldRoot.addChild(new CommonTree(new CommonToken(102)));
    oldRoot.addChild(new CommonTree(new CommonToken(103)));

    TreeAdaptor adaptor = new CommonTreeAdaptor();
    adaptor.becomeRoot(newRoot, oldRoot);
    newRoot.sanityCheckParentAndChildIndexes();
  }
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