Class PythonFlavor

java.lang.Object

com.oracle.truffle.regex.tregex.parser.flavors.RegexFlavor

com.oracle.truffle.regex.tregex.parser.flavors.PythonFlavor

public final class PythonFlavor
extends RegexFlavor

An implementation of the Python regex flavor. Supports both string regexes ('str' patterns) and binary regexes ('bytes' patterns).

See Also:

• PythonREMode

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.truffle.regex.tregex.parser.flavors.RegexFlavor

RegexFlavor.EqualsIgnoreCasePredicate

Field Summary

Fields

Modifier and Type	Field	Description
static final PythonFlavor	INSTANCE
static final UnicodeProperties	UNICODE

Fields inherited from class com.oracle.truffle.regex.tregex.parser.flavors.RegexFlavor

BACKREFERENCE_IGNORE_CASE_MULTI_CHAR_EXPANSION, BACKREFERENCES_TO_UNMATCHED_GROUPS_FAIL, EMPTY_CHECKS_MONITOR_CAPTURE_GROUPS, EMPTY_CHECKS_ON_MANDATORY_LOOP_ITERATIONS, FAILING_EMPTY_CHECKS_DONT_BACKTRACK, HAS_CONDITIONAL_BACKREFERENCES, LOOKBEHINDS_RUN_LEFT_TO_RIGHT, NEEDS_GROUP_START_POSITIONS, NESTED_CAPTURE_GROUPS_KEPT_ON_LOOP_REENTRY, SUPPORTS_RECURSIVE_BACKREFERENCES, USES_LAST_GROUP_RESULT_FIELD

Method Summary

Modifier and Type	Method	Description
RegexParser	createParser(RegexLanguage language, RegexSource source, CompilationBuffer compilationBuffer)
RegexValidator	createValidator(RegexLanguage language, RegexSource source, CompilationBuffer compilationBuffer)
CaseFoldData.CaseFoldAlgorithm	getCaseFoldAlgorithm(RegexAST ast)
RegexFlavor.EqualsIgnoreCasePredicate	getEqualsIgnoreCasePredicate(RegexAST ast)

Methods inherited from class com.oracle.truffle.regex.tregex.parser.flavors.RegexFlavor

backreferenceIgnoreCaseMultiCharExpansion, backreferencesToUnmatchedGroupsFail, canHaveEmptyLoopIterations, emptyChecksMonitorCaptureGroups, emptyChecksOnMandatoryLoopIterations, failingEmptyChecksDontBacktrack, hasConditionalBackReferences, lookBehindsRunLeftToRight, matchesTransitionsStepByStep, needsGroupStartPositions, nestedCaptureGroupsKeptOnLoopReentry, supportsRecursiveBackreferences, usesLastGroupResultField

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final PythonFlavor INSTANCE

UNICODE

public static final UnicodeProperties UNICODE

Method Details

createValidator

public RegexValidator createValidator(RegexLanguage language,
 RegexSource source,
 CompilationBuffer compilationBuffer)

Specified by:

createValidator in class RegexFlavor

createParser

public RegexParser createParser(RegexLanguage language,
 RegexSource source,
 CompilationBuffer compilationBuffer)

Specified by:

createParser in class RegexFlavor

getEqualsIgnoreCasePredicate

public RegexFlavor.EqualsIgnoreCasePredicate getEqualsIgnoreCasePredicate(RegexAST ast)

Specified by:

getEqualsIgnoreCasePredicate in class RegexFlavor

getCaseFoldAlgorithm

public CaseFoldData.CaseFoldAlgorithm getCaseFoldAlgorithm(RegexAST ast)

Specified by:

getCaseFoldAlgorithm in class RegexFlavor