Package com.javacc.parser.tree

Class ZeroOrOne

java.lang.Object

com.javacc.parser.BaseNode

com.javacc.core.Expansion

com.javacc.parser.tree.ExpansionWithParentheses

com.javacc.parser.tree.ZeroOrOne

All Implemented Interfaces:

JavaCCConstants, Node, freemarker.template.TemplateHashModel, freemarker.template.TemplateModel, freemarker.template.TemplateNodeModel, freemarker.template.TemplateScalarModel, Comparable<Node>

public class ZeroOrOne
extends ExpansionWithParentheses

Nested Class Summary

Nested classes/interfaces inherited from interface com.javacc.parser.JavaCCConstants

JavaCCConstants.LexicalState, JavaCCConstants.TokenType

Nested classes/interfaces inherited from interface com.javacc.parser.Node

Node.Visitor

Nested classes/interfaces inherited from interface freemarker.template.TemplateModel

freemarker.template.TemplateModel.InvalidExpressionModel, freemarker.template.TemplateModel.JavaNull

Field Summary

Fields inherited from class com.javacc.core.Expansion

firstSet

Fields inherited from class com.javacc.parser.BaseNode

children, parent

Fields inherited from interface com.javacc.parser.JavaCCConstants

BUF_SIZE

Fields inherited from interface freemarker.template.TemplateModel

INVALID_EXPRESSION, JAVA_NULL, NOTHING

Fields inherited from interface freemarker.template.TemplateScalarModel

EMPTY_STRING

Constructor Summary

Constructors

Constructor	Description
ZeroOrOne()

Method Summary

Modifier and Type	Method	Description
int	getMinimumSize()
boolean	isAlwaysSuccessful()
boolean	isPossiblyEmpty()

Methods inherited from class com.javacc.parser.tree.ExpansionWithParentheses

getFinalSet, getFirstSet, getMaximumSize, getNestedExpansion, getSpecifiedLexicalState, getSpecifiesLexicalStateSwitch

Methods inherited from class com.javacc.core.Expansion

beginsSequence, getContainingProduction, getCustomErrorRecoveryBlock, getFinalSetSize, getFinalSetVarName, getFirstSetVarName, getFollowingExpansion, getFollowSet, getFollowSetVarName, getHasExplicitLookahead, getHasExplicitNumericalLookahead, getHasFullFollowSet, getHasGlobalSemanticActions, getHasImplicitSyntacticLookahead, getHasInnerScanLimit, getHasLookBehind, getHasScanLimit, getHasSemanticLookahead, getHasSeparateSyntacticLookahead, getHasTokenActivation, getIndex, getIsRegexp, getLabel, getLookahead, getLookaheadAmount, getLookaheadExpansion, getLookBehind, getNonSuperfluousParent, getPredicateMethodName, getRecoverMethodName, getRecoverToMethodName, getRequiresPredicateMethod, getRequiresRecoverMethod, getRequiresScanAhead, getScanLimitPlus, getScanRoutineName, getSemanticLookahead, getTokenActivation, getTreeNodeBehavior, getUpToExpansion, isAtChoicePoint, isBeforeLexicalStateSwitch, isInsideLookahead, isNegated, isScanLimit, isSingleToken, isTolerantParsing, setCustomErrorRecoveryBlock, setLabel, setScanLimit, setScanLimitPlus, setTolerantParsing, setTreeNodeBehavior, superfluousParentheses, toString

Methods inherited from class com.javacc.parser.BaseNode

addChild, addChild, children, clearChildren, get, getAsString, getBeginOffset, getChild, getChildCount, getChildNodes, getEndOffset, getGrammar, getInnerText, getLiteralText, getNodeName, getNodeNamespace, getNodeType, getParent, getParentNode, getSimpleName, getTokenSource, hasKeyWord, isEmpty, isUnparsed, prepend, removeChild, setBeginOffset, setChild, setEndOffset, setGrammar, setListClass, setParent, setTokenSource, setUnparsed

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.javacc.parser.Node

appendChild, children, childrenOfType, close, compareTo, copyLocationInfo, copyLocationInfo, descendants, descendants, descendants, descendants, descendantsOfType, dump, dump, firstAncestorOfType, firstChildOfType, firstChildOfType, firstChildOfType, firstDescendantOfType, firstDescendantOfType, getAllTokens, getBeginColumn, getBeginLine, getEndColumn, getEndLine, getFirstChild, getFirstToken, getInputSource, getLastChild, getLastToken, getLocation, getRealTokens, getRoot, getSource, getTokenType, hasChildNodes, indexOf, iterator, nextSibling, open, prependChild, previousSibling, removeChild, replace, replaceChild

Constructor Detail

ZeroOrOne

public ZeroOrOne()

Method Detail

isAlwaysSuccessful

public boolean isAlwaysSuccessful()

Overrides:

isAlwaysSuccessful in class ExpansionWithParentheses

isPossiblyEmpty

public boolean isPossiblyEmpty()

Overrides:

isPossiblyEmpty in class ExpansionWithParentheses

Returns:

Can this expansion be matched by the empty string.

getMinimumSize

public int getMinimumSize()

Overrides:

getMinimumSize in class ExpansionWithParentheses

Returns:

the minimum number of tokens that this expansion consumes.