Reduction (groovy 3.0.19 API)

Summary:
Field
Constructor
Method

| Detail:
Field
Constructor
Method

org.codehaus.groovy.syntax.Reduction

```
public class Reduction
extends CSTNode
```
A syntax reduction, produced by the Parser.
See Also:
Parser
Token
CSTNode
Types

Field Summary

Fields
Modifiers	Name	Description
`static Reduction`	`EMPTY`

Constructor Summary

Constructors
Constructor and description
`Reduction (Token root)` Initializes the `Reduction` with the specified root.

Methods Summary

Methods
Type Params	Return Type	Name and description
	`public CSTNode`	`add(CSTNode element)` Adds an element to the node.
	`public Reduction`	`asReduction()` Creates a `Reduction` from this node.
	`public CSTNode`	`get(int index)` Returns the specified element, or null.
	`public Token`	`getRoot()` Returns the root of the node, the Token that indicates its type.
	`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 its root.
	`public CSTNode`	`remove(int index)` Removes a node from the `Reduction`.
	`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.

Inherited Methods Summary

Inherited Methods
Methods inherited from class	Name
`class CSTNode`	`add, addChildrenOf, asReduction, canMean, children, get, get, getDescription, getMeaning, getMeaningAs, getRoot, getRoot, getRootText, getStartColumn, getStartLine, getType, hasChildren, isA, isAllOf, isAnExpression, isEmpty, isOneOf, markAsExpression, set, setMeaning, size, toString, write, write`

- 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 its 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 its 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.

Summary:
Field
Constructor
Method

| Detail:
Field
Constructor
Method

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