Class TRegexDFAExecutorNode

java.lang.Object

com.oracle.truffle.api.nodes.Node

com.oracle.truffle.regex.tregex.nodes.TRegexExecutorBaseNode

com.oracle.truffle.regex.tregex.nodes.TRegexExecutorNode

com.oracle.truffle.regex.tregex.nodes.dfa.TRegexDFAExecutorNode

All Implemented Interfaces:

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

public final class TRegexDFAExecutorNode
extends TRegexExecutorNode

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

Modifier and Type	Field	Description
static final int	NO_MATCH

Fields inherited from class com.oracle.truffle.regex.tregex.nodes.TRegexExecutorNode

ASTRAL_PROBABILITY, BMP_PROBABILITY, CONTINUE_PROBABILITY, EXIT_PROBABILITY, LATIN1_PROBABILITY

Constructor Summary

Constructors

Constructor	Description
TRegexDFAExecutorNode(RegexSource source, TRegexDFAExecutorProperties props, int numberOfCaptureGroups, int numberOfTransitions, int maxNumberOfNFAStates, com.oracle.truffle.api.strings.TruffleString.CodePointSet[] indexOfParameters, DFAAbstractStateNode[] states, int[] cgResultOrder, TRegexDFAExecutorDebugRecorder debugRecorder, TRegexDFAExecutorNode innerLiteralPrefixMatcher)
TRegexDFAExecutorNode(RegexSource source, TRegexDFAExecutorProperties props, int numberOfCaptureGroups, int maxNumberOfNFAStates, com.oracle.truffle.api.strings.TruffleString.CodePointSet[] indexOfParameters, DFAAbstractStateNode[] states, TRegexDFAExecutorDebugRecorder debugRecorder, TRegexDFAExecutorNode innerLiteralPrefixMatcher)

Method Summary

Modifier and Type	Method	Description
boolean	canFindStart()
TRegexExecutorLocals	createLocals(com.oracle.truffle.api.strings.TruffleString input, int fromIndex, int maxIndex, int regionFrom, int regionTo, int index)
Object	execute(com.oracle.truffle.api.frame.VirtualFrame frame, TRegexExecutorLocals abstractLocals, com.oracle.truffle.api.strings.TruffleString.CodeRange codeRange)	records position of the END of the match found, or -1 if no match exists.
int	getCGTrackingCost()
TRegexDFAExecutorDebugRecorder	getDebugRecorder()
int	getMaxNumberOfNFAStates()
int	getMinIndex(TRegexExecutorLocals locals)
String	getName()
int	getNumberOfStates()
int	getPrefixLength()
TRegexDFAExecutorProperties	getProperties()
boolean	isAnchored()
boolean	isBackward()
boolean	isForward()
boolean	isGenericCG()
boolean	isSearching()
boolean	isSimpleCG()
boolean	isTrivial()
boolean	recordExecution()
TRegexDFAExecutorNode	shallowCopy()
boolean	writesCaptureGroups()	Returns true if this executor may write any new capture group boundaries.

Methods inherited from class com.oracle.truffle.regex.tregex.nodes.TRegexExecutorNode

countUpTo, getAstralProfile, getBMPProfile, getMaxIndex, getNumberOfCaptureGroups, getNumberOfTransitions, getSource, inputAdvance, inputAtBegin, inputAtEnd, inputGetCodePointSize, inputGetCodePointSize, inputHasNext, inputHasNext, inputHasNext, inputIncNextIndexRaw, inputIncNextIndexRaw, inputIncRaw, inputIncRaw, inputIncRaw, inputIncRaw, inputIncRaw, inputIncRaw, inputReadAndDecode, inputReadAndDecode, inputReadRaw, inputReadRaw, inputReadRaw, inputReadRaw, inputSkip, inputSkipIntl, inputSkipReverse, inputUTF16IsHighSurrogate, inputUTF16IsLowSurrogate, inputUTF16ToCodePoint, rewindUpTo

Methods inherited from class com.oracle.truffle.regex.tregex.nodes.TRegexExecutorBaseNode

createWrapper, getEncoding, isBooleanMatch, isInstrumentable, isUTF16, isUTF32, isUTF8, unwrap

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

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

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, hasTag, materializeInstrumentableNodes

Field Details

NO_MATCH

public static final int NO_MATCH

See Also:

• Constant Field Values

Constructor Details

TRegexDFAExecutorNode

public TRegexDFAExecutorNode(RegexSource source,
 TRegexDFAExecutorProperties props,
 int numberOfCaptureGroups,
 int maxNumberOfNFAStates,
 com.oracle.truffle.api.strings.TruffleString.CodePointSet[] indexOfParameters,
 DFAAbstractStateNode[] states,
 TRegexDFAExecutorDebugRecorder debugRecorder,
 TRegexDFAExecutorNode innerLiteralPrefixMatcher)

TRegexDFAExecutorNode

public TRegexDFAExecutorNode(RegexSource source,
 TRegexDFAExecutorProperties props,
 int numberOfCaptureGroups,
 int numberOfTransitions,
 int maxNumberOfNFAStates,
 com.oracle.truffle.api.strings.TruffleString.CodePointSet[] indexOfParameters,
 DFAAbstractStateNode[] states,
 int[] cgResultOrder,
 TRegexDFAExecutorDebugRecorder debugRecorder,
 TRegexDFAExecutorNode innerLiteralPrefixMatcher)

Method Details

shallowCopy

public TRegexDFAExecutorNode shallowCopy()

Specified by:

shallowCopy in class TRegexExecutorBaseNode

getPrefixLength

public int getPrefixLength()

isAnchored

public boolean isAnchored()

getName

public String getName()

Specified by:

getName in class TRegexExecutorBaseNode

isForward

public boolean isForward()

Specified by:

isForward in class TRegexExecutorBaseNode

isTrivial

public boolean isTrivial()

Overrides:

isTrivial in class TRegexExecutorBaseNode

isBackward

public boolean isBackward()

isSearching

public boolean isSearching()

isSimpleCG

public boolean isSimpleCG()

Overrides:

isSimpleCG in class TRegexExecutorNode

isGenericCG

public boolean isGenericCG()

canFindStart

public boolean canFindStart()

getNumberOfStates

public int getNumberOfStates()

Specified by:

getNumberOfStates in class TRegexExecutorBaseNode

recordExecution

public boolean recordExecution()

getDebugRecorder

public TRegexDFAExecutorDebugRecorder getDebugRecorder()

createLocals

public TRegexExecutorLocals createLocals(com.oracle.truffle.api.strings.TruffleString input,
 int fromIndex,
 int maxIndex,
 int regionFrom,
 int regionTo,
 int index)

Specified by:

createLocals in class TRegexExecutorBaseNode

writesCaptureGroups

public boolean writesCaptureGroups()

Description copied from class: TRegexExecutorBaseNode

Returns true if this executor may write any new capture group boundaries.

Specified by:

writesCaptureGroups in class TRegexExecutorBaseNode

execute

public Object execute(com.oracle.truffle.api.frame.VirtualFrame frame,
 TRegexExecutorLocals abstractLocals,
 com.oracle.truffle.api.strings.TruffleString.CodeRange codeRange)

records position of the END of the match found, or -1 if no match exists.

Specified by:

execute in class TRegexExecutorBaseNode

getMinIndex

public int getMinIndex(TRegexExecutorLocals locals)

Overrides:

getMinIndex in class TRegexExecutorNode

getProperties

public TRegexDFAExecutorProperties getProperties()

getMaxNumberOfNFAStates

public int getMaxNumberOfNFAStates()

getCGTrackingCost

public int getCGTrackingCost()