org.javacc.parser

Class RegularExpression

java.lang.Object

org.javacc.parser.Expansion

org.javacc.parser.RegularExpression

Direct Known Subclasses:

RCharacterList, RChoice, REndOfFile, RJustName, ROneOrMore, RRepetitionRange, RSequence, RStringLiteral, RZeroOrMore, RZeroOrOne

public abstract class RegularExpression
extends Expansion

Describes regular expressions.

Field Summary

Fields

Modifier and Type	Field and Description
java.lang.String	label The label of the regular expression (if any).
java.util.List<Token>	lhsTokens The LHS to which the token value of the regular expression is assigned.
boolean	private_rexp This flag is set if the regular expression has a label prefixed with the # symbol - this indicates that the purpose of the regular expression is solely for defining other regular expressions.
Token	rhsToken We now allow qualified access to token members.
TokenProduction	tpContext If this is a top-level regular expression (nested directly within a TokenProduction), then this field point to that TokenProduction object.

Fields inherited from class org.javacc.parser.Expansion

eol, inMinimumSize, myGeneration, nextGenerationIndex, parent

Constructor Summary

Constructors

Constructor and Description
RegularExpression()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	CanMatchAnyChar()
java.lang.StringBuffer	dump(int indent, java.util.Set<? super Expansion> alreadyDumped)
abstract Nfa	GenerateNfa(boolean ignoreCase)

Methods inherited from class org.javacc.parser.Expansion

dumpPrefix, hashCode, reInit, toString

Methods inherited from class java.lang.Object

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

Field Detail

label

public java.lang.String label

The label of the regular expression (if any). If no label is present, this is set to "".

lhsTokens

public java.util.List<Token> lhsTokens

The LHS to which the token value of the regular expression is assigned. In case there is no LHS, then the list remains empty.

rhsToken

public Token rhsToken

We now allow qualified access to token members. Store it here.

private_rexp

public boolean private_rexp

This flag is set if the regular expression has a label prefixed with the # symbol - this indicates that the purpose of the regular expression is solely for defining other regular expressions.

tpContext

public TokenProduction tpContext

If this is a top-level regular expression (nested directly within a TokenProduction), then this field point to that TokenProduction object.

Constructor Detail

RegularExpression

public RegularExpression()

Method Detail

GenerateNfa

public abstract Nfa GenerateNfa(boolean ignoreCase)

CanMatchAnyChar

public boolean CanMatchAnyChar()

dump

public java.lang.StringBuffer dump(int indent,
                          java.util.Set<? super Expansion> alreadyDumped)

Overrides:

dump in class Expansion