Package org.antlr.runtime.tree

Examples of org.antlr.runtime.tree.CommonTreeNodeStream.LT()

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    // CALL 102
    stream.push(indexOf102);
    assertEquals(102, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(103, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
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    stream.push(indexOf102);
    assertEquals(102, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(103, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());
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    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(103, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());

    // CALL 104
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    assertEquals(103, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());

    // CALL 104
    stream.push(indexOf104);
    assertEquals(104, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
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    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());

    // CALL 104
    stream.push(indexOf104);
    assertEquals(104, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(105, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
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    // CALL 104
    stream.push(indexOf104);
    assertEquals(104, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(105, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
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    stream.push(indexOf104);
    assertEquals(104, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(105, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());
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    stream.consume(); // consume 102
    assertEquals(Token.DOWN, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume DN
    assertEquals(105, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());
  }
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    assertEquals(105, ((Tree)stream.LT(1)).getType());
    stream.consume(); // consume 103
    assertEquals(Token.UP, ((Tree)stream.LT(1)).getType());
    // RETURN (to empty stack)
    stream.pop();
    assertEquals(Token.EOF, ((Tree)stream.LT(1)).getType());
  }

  public void testStackStretch() throws Exception {
    // make more than INITIAL_CALL_STACK_SIZE pushes
    Tree r0 = new CommonTree(new CommonToken(101));
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