[Java] Class Reduction
- org.codehaus.groovy.syntax.Reduction
Field Summary
Modifiers | Name | Description |
---|---|---|
static Reduction | EMPTY |
Constructor Summary
Constructor and description |
---|
Reduction
(Token root) Initializes the Reduction with the specified root. |
Methods Summary
Type Params | Return Type | Name and description |
---|---|---|
CSTNode |
add(CSTNode element) Adds an element to the node. | |
Reduction |
asReduction() Creates a Reduction from this node. | |
CSTNode |
get(int index) Returns the specified element, or null. | |
Token |
getRoot() Returns the root of the node, the Token that indicates it's type. | |
boolean |
isAnExpression() Returns true if the node is a complete expression. | |
boolean |
isEmpty() Returns true if the node is completely empty (no root, even). | |
void |
markAsExpression() Marks the node a complete expression. | |
static Reduction |
newContainer() Creates a new Reduction with Token.NULL as it's root. | |
CSTNode |
remove(int index) Removes a node from the Reduction . | |
CSTNode |
set(int index, CSTNode element) Sets an element in at the specified index. | |
int |
size() Returns the number of elements in the node. |
Inherited Methods Summary
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 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.
© 2003-2020 The Apache Software Foundation
Licensed under the Apache license.
https://docs.groovy-lang.org/2.5.14/html/gapi/org/codehaus/groovy/syntax/Reduction.html