Class RCharacterList

java.lang.Object

org.javacc.parser.Expansion

org.javacc.parser.RegularExpression

org.javacc.parser.RCharacterList

public class RCharacterList
extends RegularExpression

Describes character lists.

Field Summary

Fields

Modifier and Type	Field	Description
List<Expansion>	descriptors	This is the list of descriptors of the character list.
private static final char[]	diffLowerCaseRanges
private static final char[]	diffUpperCaseRanges
boolean	negated_list	This is true if a tilde (~) appears before the character list.
private boolean	transformed

Fields inherited from class RegularExpression

label, lhsTokens, ordinal, private_rexp, rhsToken, tpContext, walkStatus

Fields inherited from class Expansion

eol, inMinimumSize, myGeneration, parent

Constructor Summary

Constructors

Constructor	Description
RCharacterList()
RCharacterList(char c)

Method Summary

Modifier and Type	Method	Description
boolean	CanMatchAnyChar()
Nfa	GenerateNfa(boolean ignoreCase, LexerContext lexerContext)
private static boolean	InRange(char c, CharacterRange range)
private static boolean	Overlaps(CharacterRange r1, CharacterRange r2)
(package private) void	RemoveNegation(LexerContext lexerContext)
private void	SortDescriptors()
private static boolean	SubRange(CharacterRange r1, CharacterRange r2)
private void	ToCaseNeutral(Context context)

Methods inherited from class RegularExpression

dump

Methods inherited from class Expansion

dumpPrefix, getColumn, getLine, getProductionName, hashCode, setColumn, setLine, toString

Methods inherited from class Object

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

Field Details

negated_list

public boolean negated_list

This is true if a tilde (~) appears before the character list. Otherwise, this is false.

descriptors

public List<Expansion> descriptors

This is the list of descriptors of the character list. Each list entry will narrow to either SingleCharacter or to CharacterRange.

diffLowerCaseRanges

private static final char[] diffLowerCaseRanges

diffUpperCaseRanges

private static final char[] diffUpperCaseRanges

transformed

private boolean transformed

Constructor Details

RCharacterList

RCharacterList()

RCharacterList

RCharacterList(char c)

Method Details

ToCaseNeutral

private void ToCaseNeutral(Context context)

GenerateNfa

public Nfa GenerateNfa(boolean ignoreCase,
 LexerContext lexerContext)

Specified by:

GenerateNfa in class RegularExpression

Overlaps

private static boolean Overlaps(CharacterRange r1,
 CharacterRange r2)

SubRange

private static boolean SubRange(CharacterRange r1,
 CharacterRange r2)

InRange

private static boolean InRange(char c,
 CharacterRange range)

SortDescriptors

private void SortDescriptors()

RemoveNegation

void RemoveNegation(LexerContext lexerContext)

CanMatchAnyChar

public boolean CanMatchAnyChar()

Overrides:

CanMatchAnyChar in class RegularExpression