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

Class RegexBaseVisitor

java.lang.Object

org.sonarsource.analyzer.commons.regex.ast.RegexBaseVisitor

All Implemented Interfaces:

RegexVisitor

Direct Known Subclasses:

AnchorPrecedenceFinder, BranchTrackingVisitor, ComplexRegexFinder, DuplicatesInCharacterClassFinder, EmptyAlternativeFinder, EmptyGroupFinder, EmptyStringRepetitionFinder, GraphemeInClassFinder, ImpossibleBackReferenceFinder, ImpossibleBoundaryFinder, MultipleWhitespaceFinder, RedundantRegexAlternativesFinder, ReluctantQuantifierFinder, ReluctantQuantifierWithEmptyContinuationFinder, SingleCharacterAlternationFinder, SingleCharCharacterClassFinder, SuperfluousCurlyBraceFinder, UnicodeUnawareCharClassFinder, UnquantifiedNonCapturingGroupFinder, VerboseRegexFinder

public class RegexBaseVisitor
extends Object
implements RegexVisitor

Constructor Summary

Constructors

Constructor	Description
RegexBaseVisitor()

Method Summary

Modifier and Type	Method	Description
protected void	after(RegexParseResult regexParseResult)	Override to perform an action after the entire regex has been visited.
protected static String	backslash(RegexTree tree)	In some languages backslashes in strings must be escaped explicitly.
protected void	before(RegexParseResult regexParseResult)	Override to perform an action before any part of the regex is visited.
protected static boolean	supportsAnyOfFeatures(RegexTree tree, RegexFeature... features)
void	visit(RegexTree tree)
void	visit(RegexParseResult regexParseResult)
void	visitAtomicGroup(AtomicGroupTree tree)
void	visitBackReference(BackReferenceTree tree)
void	visitBoundary(BoundaryTree boundaryTree)
void	visitCapturingGroup(CapturingGroupTree tree)
void	visitCharacter(CharacterTree tree)
void	visitCharacterClass(CharacterClassTree tree)
void	visitCharacterClassIntersection(CharacterClassIntersectionTree tree)
void	visitCharacterClassUnion(CharacterClassUnionTree tree)
void	visitCharacterRange(CharacterRangeTree tree)
void	visitConditionalSubpattern(ConditionalSubpatternTree tree)
void	visitDisjunction(DisjunctionTree tree)
void	visitDot(DotTree tree)
void	visitEscapedCharacterClass(EscapedCharacterClassTree tree)
void	visitGroup(GroupTree tree)	Generic for all 4 different kinds of GroupTree(s)
void	visitInCharClass(CharacterClassElementTree tree)
void	visitLookAround(LookAroundTree tree)
void	visitMiscEscapeSequence(MiscEscapeSequenceTree tree)
void	visitNonCapturingGroup(NonCapturingGroupTree tree)
void	visitRepetition(RepetitionTree tree)
void	visitSequence(SequenceTree tree)

Methods inherited from class java.lang.Object

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

Constructor Detail

RegexBaseVisitor

public RegexBaseVisitor()

Method Detail

visit

public void visit(RegexTree tree)

visitInCharClass

public void visitInCharClass(CharacterClassElementTree tree)

visit

public void visit(RegexParseResult regexParseResult)

Specified by:

visit in interface RegexVisitor

before

protected void before(RegexParseResult regexParseResult)

Override to perform an action before any part of the regex is visited.

after

protected void after(RegexParseResult regexParseResult)

Override to perform an action after the entire regex has been visited.

visitCharacter

public void visitCharacter(CharacterTree tree)

Specified by:

visitCharacter in interface RegexVisitor

visitSequence

public void visitSequence(SequenceTree tree)

Specified by:

visitSequence in interface RegexVisitor

visitDisjunction

public void visitDisjunction(DisjunctionTree tree)

Specified by:

visitDisjunction in interface RegexVisitor

visitGroup

public void visitGroup(GroupTree tree)

Description copied from interface: RegexVisitor

Generic for all 4 different kinds of GroupTree(s)

Specified by:

visitGroup in interface RegexVisitor

visitCapturingGroup

public void visitCapturingGroup(CapturingGroupTree tree)

Specified by:

visitCapturingGroup in interface RegexVisitor

visitNonCapturingGroup

public void visitNonCapturingGroup(NonCapturingGroupTree tree)

Specified by:

visitNonCapturingGroup in interface RegexVisitor

visitAtomicGroup

public void visitAtomicGroup(AtomicGroupTree tree)

Specified by:

visitAtomicGroup in interface RegexVisitor

visitLookAround

public void visitLookAround(LookAroundTree tree)

Specified by:

visitLookAround in interface RegexVisitor

visitBackReference

public void visitBackReference(BackReferenceTree tree)

Specified by:

visitBackReference in interface RegexVisitor

visitRepetition

public void visitRepetition(RepetitionTree tree)

Specified by:

visitRepetition in interface RegexVisitor

visitCharacterClass

public void visitCharacterClass(CharacterClassTree tree)

Specified by:

visitCharacterClass in interface RegexVisitor

visitCharacterRange

public void visitCharacterRange(CharacterRangeTree tree)

Specified by:

visitCharacterRange in interface RegexVisitor

visitCharacterClassUnion

public void visitCharacterClassUnion(CharacterClassUnionTree tree)

Specified by:

visitCharacterClassUnion in interface RegexVisitor

visitCharacterClassIntersection

public void visitCharacterClassIntersection(CharacterClassIntersectionTree tree)

Specified by:

visitCharacterClassIntersection in interface RegexVisitor

visitDot

public void visitDot(DotTree tree)

Specified by:

visitDot in interface RegexVisitor

visitEscapedCharacterClass

public void visitEscapedCharacterClass(EscapedCharacterClassTree tree)

Specified by:

visitEscapedCharacterClass in interface RegexVisitor

visitBoundary

public void visitBoundary(BoundaryTree boundaryTree)

Specified by:

visitBoundary in interface RegexVisitor

visitMiscEscapeSequence

public void visitMiscEscapeSequence(MiscEscapeSequenceTree tree)

Specified by:

visitMiscEscapeSequence in interface RegexVisitor

visitConditionalSubpattern

public void visitConditionalSubpattern(ConditionalSubpatternTree tree)

Specified by:

visitConditionalSubpattern in interface RegexVisitor

supportsAnyOfFeatures

protected static boolean supportsAnyOfFeatures(RegexTree tree,
                                               RegexFeature... features)

backslash

protected static String backslash(RegexTree tree)

In some languages backslashes in strings must be escaped explicitly.