Field Detail

• public static final Reduction EMPTY

Constructor Detail

• public Reduction(Token root)

  Initializes the Reduction with the specified root.

Method Detail

• public CSTNode add(CSTNode element)

  Adds an element to the node.

• public Reduction asReduction()

  Creates a Reduction from this node. Returns self if the node is already a Reduction.

• public CSTNode get(int index)

  Returns the specified element, or null.

• public Token getRoot()

  Returns the root of the node, the Token that indicates it's type. Returns null if there is no root (usually only if the node is a placeholder of some kind -- see isEmpty()).

• public boolean isAnExpression()

  Returns true if the node is a complete expression.

• public boolean isEmpty()

  Returns true if the node is completely empty (no root, even).

• public void markAsExpression()

  Marks the node a complete expression.

• public static Reduction newContainer()

  Creates a new Reduction with Token.NULL as it's root.

• public CSTNode remove(int index)

  Removes a node from the Reduction. You cannot remove the root node (index 0).

• public CSTNode set(int index, CSTNode element)

  Sets an element in at the specified index.

• public int size()

  Returns the number of elements in the node.