Class DeadRegexExecNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.api.nodes.ExecutableNode

com.oracle.truffle.regex.RegexBodyNode

com.oracle.truffle.regex.RegexExecNode

com.oracle.truffle.regex.dead.DeadRegexExecNode

All Implemented Interfaces:

com.oracle.truffle.api.instrumentation.InstrumentableNode, com.oracle.truffle.api.nodes.NodeInterface, Cloneable

public final class DeadRegexExecNode
extends RegexExecNode

This RegexNode is used for regular expressions that can never match, like /a^a/, /a\ba/, /(?=a)b/ etc.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.api.nodes.Node

com.oracle.truffle.api.nodes.Node.Child, com.oracle.truffle.api.nodes.Node.Children

Nested classes/interfaces inherited from interface com.oracle.truffle.api.instrumentation.InstrumentableNode

com.oracle.truffle.api.instrumentation.InstrumentableNode.WrapperNode

Field Summary

Fields inherited from class com.oracle.truffle.regex.RegexBodyNode

source

Constructor Summary

Constructors

Constructor	Description
DeadRegexExecNode(RegexLanguage language, RegexSource source)

Method Summary

Modifier and Type	Method	Description
protected RegexResult	execute(com.oracle.truffle.api.frame.VirtualFrame frame, com.oracle.truffle.api.strings.TruffleString input, int fromIndex, int toIndex, int regionFrom, int regionTo)
protected String	getEngineLabel()

Methods inherited from class com.oracle.truffle.regex.RegexExecNode

execute, inputRead, isBacktracking, isNFA

Methods inherited from class com.oracle.truffle.regex.RegexBodyNode

createWrapper, getEncoding, getRegexLanguage, getSource, getSourceSection, hasTag, isBooleanMatch, isInstrumentable, toString

Methods inherited from class com.oracle.truffle.api.nodes.ExecutableNode

getLanguage, getLanguageInfo

Methods inherited from class com.oracle.truffle.api.nodes.Node

accept, adoptChildren, atomic, atomic, copy, deepCopy, getChildren, getCost, getDebugProperties, getDescription, getEncapsulatingSourceSection, getLock, getParent, getRootNode, insert, insert, isAdoptable, isSafelyReplaceableBy, notifyInserted, onReplace, replace, replace, reportPolymorphicSpecialize

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.truffle.api.instrumentation.InstrumentableNode

findNearestNodeAt, findNearestNodeAt, getNodeObject, materializeInstrumentableNodes

Constructor Details

DeadRegexExecNode

public DeadRegexExecNode(RegexLanguage language,
 RegexSource source)

Method Details

execute

protected RegexResult execute(com.oracle.truffle.api.frame.VirtualFrame frame,
 com.oracle.truffle.api.strings.TruffleString input,
 int fromIndex,
 int toIndex,
 int regionFrom,
 int regionTo)

Specified by:

execute in class RegexExecNode

getEngineLabel

protected String getEngineLabel()

Overrides:

getEngineLabel in class RegexBodyNode