com.google.javascript.jscomp.regex

Class RegExpTree.Empty

java.lang.Object

com.google.javascript.jscomp.regex.RegExpTree

com.google.javascript.jscomp.regex.RegExpTree.RegExpTreeAtom

com.google.javascript.jscomp.regex.RegExpTree.Empty

Enclosing class:

RegExpTree

public static final class RegExpTree.Empty
extends RegExpTree.RegExpTreeAtom

Represents an empty portion of a RegExp such as the middle of "||"

Nested Class Summary

Nested classes/interfaces inherited from class com.google.javascript.jscomp.regex.RegExpTree

RegExpTree.Alternation, RegExpTree.Anchor, RegExpTree.BackReference, RegExpTree.CapturingGroup, RegExpTree.Charset, RegExpTree.Concatenation, RegExpTree.Empty, RegExpTree.LookaheadAssertion, RegExpTree.LookbehindAssertion, RegExpTree.NamedBackReference, RegExpTree.NamedCaptureGroup, RegExpTree.RegExpTreeAtom, RegExpTree.Repetition, RegExpTree.Text, RegExpTree.UnicodePropertyEscape, RegExpTree.WordBoundary

Constructor Summary

Constructors

Constructor and Description
Empty()

Method Summary

Modifier and Type	Method and Description
protected void	appendDebugInfo(java.lang.StringBuilder sb)
protected void	appendSourceCode(java.lang.StringBuilder sb) Appends this regular expression source to the given buffer.
boolean	equals(java.lang.Object o)
int	hashCode()
RegExpTree	simplify(java.lang.String flags) Returns a simpler regular expression that is semantically the same assuming the given flags.

Methods inherited from class com.google.javascript.jscomp.regex.RegExpTree.RegExpTreeAtom

children, containsAnchor, isCaseSensitive, numCapturingGroups

Methods inherited from class com.google.javascript.jscomp.regex.RegExpTree

hasCapturingGroup, matchesWholeInput, parseRegExp, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Empty

public Empty()

Method Detail

simplify

public RegExpTree simplify(java.lang.String flags)

Description copied from class: RegExpTree

Returns a simpler regular expression that is semantically the same assuming the given flags.

Specified by:

simplify in class RegExpTree

Parameters:

flags - Regular expression flags, e.g. "igm".

appendSourceCode

protected void appendSourceCode(java.lang.StringBuilder sb)

Description copied from class: RegExpTree

Appends this regular expression source to the given buffer.

Specified by:

appendSourceCode in class RegExpTree

appendDebugInfo

protected void appendDebugInfo(java.lang.StringBuilder sb)

Specified by:

appendDebugInfo in class RegExpTree

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in class RegExpTree

hashCode

public int hashCode()

Specified by:

hashCode in class RegExpTree