Package com.puppycrawl.tools.checkstyle

Class JavaAstVisitor.DetailAstPair

java.lang.Object

com.puppycrawl.tools.checkstyle.JavaAstVisitor.DetailAstPair

Enclosing class:

JavaAstVisitor

private static final class JavaAstVisitor.DetailAstPair
extends Object

Used to swap and organize DetailAstImpl subtrees.

Field Summary

Fields

Modifier and Type	Field	Description
private DetailAstImpl	child	The child (potentially with siblings) of this pair.
private DetailAstImpl	root	The root DetailAstImpl of this pair.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	DetailAstPair()	Creates a new DetailAstPair instance.

Method Summary

Modifier and Type	Method	Description
private static void	addAstChild(JavaAstVisitor.DetailAstPair pair, DetailAstImpl ast)	Adds a child (or new root) to the given DetailAstPair.
private void	advanceChildToEnd()	Moves child reference to the last child.
private DetailAstImpl	getRoot()	Returns the root node.
private static void	makeAstRoot(JavaAstVisitor.DetailAstPair pair, DetailAstImpl ast)	This method is used to replace the ^ (set as root node) ANTLR2 operator.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

root

private DetailAstImpl root

The root DetailAstImpl of this pair.

child

private DetailAstImpl child

The child (potentially with siblings) of this pair.

Constructor Details

DetailAstPair

private DetailAstPair()

Creates a new DetailAstPair instance.

Method Details

advanceChildToEnd

private void advanceChildToEnd()

Moves child reference to the last child.

getRoot

private DetailAstImpl getRoot()

Returns the root node.

Returns:

the root node

makeAstRoot

private static void makeAstRoot(JavaAstVisitor.DetailAstPair pair,
 DetailAstImpl ast)

This method is used to replace the ^ (set as root node) ANTLR2 operator.

Parameters:

pair - the DetailAstPair to use for swapping nodes

ast - the new root

addAstChild

private static void addAstChild(JavaAstVisitor.DetailAstPair pair,
 DetailAstImpl ast)

Adds a child (or new root) to the given DetailAstPair.

Parameters:

pair - the DetailAstPair to add child to

ast - the child to add