Package org.sonarsource.analyzer.commons.regex.ast

Class GroupTree

java.lang.Object

org.sonarsource.analyzer.commons.regex.ast.AbstractRegexSyntaxElement

org.sonarsource.analyzer.commons.regex.ast.RegexTree

org.sonarsource.analyzer.commons.regex.ast.GroupTree

All Implemented Interfaces:

AutomatonState, RegexSyntaxElement

Direct Known Subclasses:

AtomicGroupTree, CapturingGroupTree, ConditionalSubpatternTree, LookAroundTree, NonCapturingGroupTree, ReferenceConditionTree

public abstract class GroupTree
extends RegexTree

Nested Class Summary

Nested classes/interfaces inherited from class org.sonarsource.analyzer.commons.regex.ast.RegexTree

RegexTree.Kind

Nested classes/interfaces inherited from interface org.sonarsource.analyzer.commons.regex.ast.AutomatonState

AutomatonState.TransitionType

Field Summary

Fields

Modifier and Type	Field	Description
protected RegexTree	element	Can only be null for non-capturing groups (by design).

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	GroupTree(RegexSource source, RegexTree.Kind kind, RegexTree element, IndexRange range, FlagSet activeFlags)

Method Summary

Modifier and Type	Method	Description
RegexTree	getElement()	Can only be null for non-capturing groups
RegexToken	getGroupHeader()	The opening sequence of the group from the ( to the :.
AutomatonState.TransitionType	incomingTransitionType()
RegexTree.Kind	kind()
void	setContinuation(AutomatonState continuation)
protected void	setContinuation(AutomatonState continuation, RegexTree element)
List<AutomatonState>	successors()

Methods inherited from class org.sonarsource.analyzer.commons.regex.ast.RegexTree

accept, activeFlags, continuation, is, toRegexTree

Methods inherited from class org.sonarsource.analyzer.commons.regex.ast.AbstractRegexSyntaxElement

getRange, getSource, getText

Methods inherited from class java.lang.Object

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

Field Detail

element

@Nullable
protected final RegexTree element

Can only be null for non-capturing groups (by design). If non-null - it represents an empty group iff `element` is a SequenceTree with empty `items` list.

Constructor Detail

GroupTree

protected GroupTree(RegexSource source,
                    RegexTree.Kind kind,
                    @Nullable
                    RegexTree element,
                    IndexRange range,
                    FlagSet activeFlags)

Method Detail

kind

public final RegexTree.Kind kind()

Specified by:

kind in class RegexTree

getGroupHeader

@Nullable
public RegexToken getGroupHeader()

The opening sequence of the group from the ( to the :. Returns null for non-capturing groups without a colon/body.

getElement

@Nullable
public RegexTree getElement()

Can only be null for non-capturing groups

successors

@Nonnull
public List<AutomatonState> successors()

incomingTransitionType

@Nonnull
public AutomatonState.TransitionType incomingTransitionType()

setContinuation

public void setContinuation(AutomatonState continuation)

Overrides:

setContinuation in class RegexTree

setContinuation

protected void setContinuation(AutomatonState continuation,
                               @Nullable
                               RegexTree element)