Package com.strobel.decompiler.languages.java.ast

Class AstNode

java.lang.Object

com.strobel.core.Freezable

com.strobel.decompiler.languages.java.ast.AstNode

All Implemented Interfaces:

UserDataStore, IFreezable, INode, java.lang.Cloneable

Direct Known Subclasses:

ArraySpecifier, AstNode.NullAstNode, AstNode.PatternPlaceholder, AstType, CaseLabel, CatchClause, Comment, CompilationUnit, EntityDeclaration, Expression, Identifier, ImportDeclaration, JavaTokenNode, NewLineNode, PackageDeclaration, Statement, SwitchExpressionArm, SwitchSection, TextNode, TypeParameterDeclaration, VariableInitializer

public abstract class AstNode
extends Freezable
implements INode, UserDataStore, java.lang.Cloneable

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	AstNode.NullAstNode
private static class	AstNode.PatternPlaceholder

Field Summary

Fields

Modifier and Type	Field	Description
private UserDataStore	_dataStore
private AstNode	_firstChild
private AstNode	_lastChild
private AstNode	_nextSibling
private AstNode	_parent
private AstNode	_previousSibling
protected static int	AST_NODE_USED_FLAGS
protected int	flags
(package private) static int	FROZEN_BIT
static AstNode	NULL
(package private) static int	ROLE_INDEX_MASK
(package private) static Role<AstNode>	ROOT_ROLE

Fields inherited from interface com.strobel.decompiler.patterns.INode

CHILD_ITERATOR

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AstNode()

Method Summary

Modifier and Type	Method	Description
abstract <T,R> R	acceptVisitor(IAstVisitor<? super T,? extends R> visitor, T data)
<T extends AstNode> void	addChild(T child, Role<? extends T> role)
(package private) void	addChildUnsafe(AstNode child, Role<?> role)
AstNode	clone()
boolean	contains(int line, int column)
boolean	contains(TextLocation location)
private static <T> void	copyKey(AstNode source, AstNode target, Key<T> key)
void	copyUserDataFrom(AstNode source)
(package private) java.lang.String	debugToString()
static AstNode	forPattern(Pattern pattern)
protected void	freezeCore()
java.lang.Iterable<AstNode>	getAncestors()
<T extends AstNode> java.lang.Iterable<T>	getAncestors(java.lang.Class<T> type)
java.lang.Iterable<AstNode>	getAncestorsAndSelf()
<T extends AstNode> T	getChildByRole(Role<? extends T> role)
java.lang.Iterable<AstNode>	getChildren()
<T extends AstNode> AstNodeCollection<T>	getChildrenByRole(Role<? extends T> role)
java.lang.Iterable<AstNode>	getDescendants()
java.lang.Iterable<AstNode>	getDescendantsAndSelf()
TextLocation	getEndLocation()
AstNode	getFirstChild()
AstNode	getLastChild()
AstNode	getNextNode()
AstNode	getNextSibling()
<T extends AstNode> T	getNextSibling(Role<? extends T> role)
abstract NodeType	getNodeType()
AstNode	getParent()
<T extends AstNode> T	getParent(java.lang.Class<T> nodeType)
AstNode	getPreviousNode()
AstNode	getPreviousSibling()
<T extends AstNode> T	getPreviousSibling(Role<? extends T> role)
Region	getRegion()
Role<? extends AstNode>	getRole()
TextLocation	getStartLocation()
java.lang.String	getText()
java.lang.String	getText(JavaFormattingOptions options)
<T> T	getUserData(Key<T> key)
boolean	hasChildren()
<T extends AstNode> void	insertChildAfter(AstNode previousSibling, T child, Role<? extends T> role)
<T extends AstNode> void	insertChildBefore(AstNode nextSibling, T child, Role<? extends T> role)
(package private) void	insertChildBeforeUnsafe(AstNode nextSibling, AstNode child, Role<?> role)
<T extends AstNode> void	insertChildrenAfter(AstNode nextSibling, Role<? extends T> role, T... children)
<T extends AstNode> void	insertChildrenBefore(AstNode nextSibling, Role<? extends T> role, T... children)
boolean	isAncestorOf(AstNode node)
boolean	isAncestorOf(AstNode node, AstNode stopAt)
boolean	isDescendantOf(AstNode node)
boolean	isInside(int line, int column)
boolean	isInside(TextLocation location)
static boolean	isLoop(AstNode statement)
boolean	isNull()
boolean	isReference()
static boolean	isUnconditionalBranch(AstNode statement)
OptionalNode	makeOptional()
Match	match(INode other)
boolean	matches(INode other)
abstract boolean	matches(INode other, Match match)
boolean	matchesCollection(Role<?> role, INode position, Match match, BacktrackingInfo backtrackingInfo)
protected static boolean	matchString(java.lang.String pattern, java.lang.String text)
<T> void	putUserData(Key<T> key, T value)
<T> T	putUserDataIfAbsent(Key<T> key, T value)
void	remove()
<T> boolean	replace(Key<T> key, T oldValue, T newValue)
void	replaceWith(AstNode newNode)
<T extends AstNode> T	replaceWith(Function<? super AstNode,? extends T> replaceFunction)
protected <T extends AstNode> void	setChildByRole(Role<? extends T> role, T newChild)
void	setRole(Role<?> role)
(package private) void	setRoleUnsafe(Role<?> role)
java.lang.String	toString()
NamedNode	withName(java.lang.String name)

Methods inherited from class com.strobel.core.Freezable

canFreeze, freeze, freezeIfUnfrozen, isFrozen, tryFreeze, verifyFrozen, verifyNotFrozen

Methods inherited from class java.lang.Object

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

Field Detail

ROOT_ROLE

static final Role<AstNode> ROOT_ROLE

ROLE_INDEX_MASK

static final int ROLE_INDEX_MASK

See Also:

Constant Field Values

FROZEN_BIT

static final int FROZEN_BIT

See Also:

Constant Field Values

AST_NODE_USED_FLAGS

protected static final int AST_NODE_USED_FLAGS

See Also:

Constant Field Values

flags

protected int flags

_parent

private AstNode _parent

_previousSibling

private AstNode _previousSibling

_nextSibling

private AstNode _nextSibling

_firstChild

private AstNode _firstChild

_lastChild

private AstNode _lastChild

NULL

public static final AstNode NULL

_dataStore

private final UserDataStore _dataStore

Constructor Detail

AstNode

protected AstNode()

Method Detail

matchString

protected static boolean matchString(java.lang.String pattern,
                                     java.lang.String text)

isLoop

public static boolean isLoop(AstNode statement)

isUnconditionalBranch

public static boolean isUnconditionalBranch(AstNode statement)

setRoleUnsafe

final void setRoleUnsafe(Role<?> role)

acceptVisitor

public abstract <T,R> R acceptVisitor(IAstVisitor<? super T,? extends R> visitor,
                                            T data)

clone

public AstNode clone()

Overrides:

clone in class java.lang.Object

copyUserDataFrom

public void copyUserDataFrom(AstNode source)

copyKey

private static <T> void copyKey(AstNode source,
                                AstNode target,
                                Key<T> key)

getParent

public final AstNode getParent()

getPreviousSibling

public final AstNode getPreviousSibling()

getLastChild

public final AstNode getLastChild()

getFirstChild

public final AstNode getFirstChild()

Specified by:

getFirstChild in interface INode

getNextSibling

public final AstNode getNextSibling()

Specified by:

getNextSibling in interface INode

getPreviousSibling

public final <T extends AstNode> T getPreviousSibling(Role<? extends T> role)

getNextSibling

public final <T extends AstNode> T getNextSibling(Role<? extends T> role)

hasChildren

public final boolean hasChildren()

getNextNode

public final AstNode getNextNode()

getPreviousNode

public final AstNode getPreviousNode()

getChildren

public final java.lang.Iterable<AstNode> getChildren()

isAncestorOf

public final boolean isAncestorOf(AstNode node)

isAncestorOf

public final boolean isAncestorOf(AstNode node,
                                  AstNode stopAt)

isDescendantOf

public final boolean isDescendantOf(AstNode node)

getAncestors

public final <T extends AstNode> java.lang.Iterable<T> getAncestors(@NotNull
                                                                    java.lang.Class<T> type)

getAncestors

public final java.lang.Iterable<AstNode> getAncestors()

getAncestorsAndSelf

public final java.lang.Iterable<AstNode> getAncestorsAndSelf()

getDescendants

public final java.lang.Iterable<AstNode> getDescendants()

getDescendantsAndSelf

public final java.lang.Iterable<AstNode> getDescendantsAndSelf()

getChildByRole

@NotNull
public final <T extends AstNode> T getChildByRole(Role<? extends T> role)

getChildrenByRole

@NotNull
public final <T extends AstNode> AstNodeCollection<T> getChildrenByRole(Role<? extends T> role)

setChildByRole

protected final <T extends AstNode> void setChildByRole(Role<? extends T> role,
                                                        T newChild)

getParent

public final <T extends AstNode> T getParent(java.lang.Class<T> nodeType)

addChild

public final <T extends AstNode> void addChild(T child,
                                               Role<? extends T> role)

addChildUnsafe

final void addChildUnsafe(AstNode child,
                          Role<?> role)

insertChildrenBefore

@SafeVarargs
public final <T extends AstNode> void insertChildrenBefore(AstNode nextSibling,
                                                           Role<? extends T> role,
                                                           T... children)

insertChildBefore

public final <T extends AstNode> void insertChildBefore(AstNode nextSibling,
                                                        T child,
                                                        Role<? extends T> role)

insertChildrenAfter

@SafeVarargs
public final <T extends AstNode> void insertChildrenAfter(AstNode nextSibling,
                                                          Role<? extends T> role,
                                                          T... children)

insertChildAfter

public final <T extends AstNode> void insertChildAfter(AstNode previousSibling,
                                                       T child,
                                                       Role<? extends T> role)

insertChildBeforeUnsafe

final void insertChildBeforeUnsafe(AstNode nextSibling,
                                   AstNode child,
                                   Role<?> role)

remove

public final void remove()

replaceWith

public final void replaceWith(AstNode newNode)

replaceWith

public final <T extends AstNode> T replaceWith(Function<? super AstNode,? extends T> replaceFunction)

freezeCore

protected void freezeCore()

Overrides:

freezeCore in class Freezable

getNodeType

public abstract NodeType getNodeType()

isReference

public boolean isReference()

isNull

public boolean isNull()

Specified by:

isNull in interface INode

getRole

public Role<? extends AstNode> getRole()

Specified by:

getRole in interface INode

setRole

public final void setRole(Role<?> role)

matches

public abstract boolean matches(INode other,
                                Match match)

Specified by:

matches in interface INode

matchesCollection

public boolean matchesCollection(Role<?> role,
                                 INode position,
                                 Match match,
                                 BacktrackingInfo backtrackingInfo)

Specified by:

matchesCollection in interface INode

match

public final Match match(INode other)

Specified by:

match in interface INode

matches

public final boolean matches(INode other)

Specified by:

matches in interface INode

forPattern

public static AstNode forPattern(Pattern pattern)

withName

public NamedNode withName(java.lang.String name)

makeOptional

public OptionalNode makeOptional()

getStartLocation

public TextLocation getStartLocation()

getEndLocation

public TextLocation getEndLocation()

getRegion

public Region getRegion()

contains

public final boolean contains(int line,
                              int column)

contains

public final boolean contains(TextLocation location)

isInside

public final boolean isInside(int line,
                              int column)

isInside

public final boolean isInside(TextLocation location)

getText

public java.lang.String getText()

getText

public java.lang.String getText(JavaFormattingOptions options)

debugToString

java.lang.String debugToString()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getUserData

public final <T> T getUserData(Key<T> key)

Specified by:

getUserData in interface UserDataStore

putUserData

public final <T> void putUserData(Key<T> key,
                                  T value)

Specified by:

putUserData in interface UserDataStore

putUserDataIfAbsent

public final <T> T putUserDataIfAbsent(Key<T> key,
                                       T value)

Specified by:

putUserDataIfAbsent in interface UserDataStore

replace

public final <T> boolean replace(Key<T> key,
                                 T oldValue,
                                 T newValue)

Specified by:

replace in interface UserDataStore