dk.brics.servletvalidator.grammar
Class AbstractGrammarEntityVisitor

java.lang.Object
  dk.brics.servletvalidator.grammar.AbstractGrammarEntityVisitor

All Implemented Interfaces:

GrammarEntityVisitor

Direct Known Subclasses:

AbstractBalancingVisitor, AbstractPrettyPrinter, AbstractSplitVisitor, AbstractTagformVisitor, CharRangeSplitter, CycleReducer, DGraphConstructor, EpsilonRemovalVisitor, FreshTerminalVisitor, Grammar2XMLGraph, GrammarBalancer, NonTerminalReducingVisitor, ParenthesisSplitIndicesFinder, ParenthesisVisitor, ProductionInliner, SamplingVisitor, SetCalculatorVisitor, SingleProductionNonTerminalRemovalVisitor, ThetaVarConstructor, Transformation1Visitor, UnboundedAssociateRemover, UniqueProductionVisitor, UnitProductionRemovalVisitor, UselessProductionRemovalVisitor, UsesVisitor, WellFormednessChecker

public abstract class AbstractGrammarEntityVisitor
extends Object
implements GrammarEntityVisitor

This GrammarEntityVisitor will traverse the grammar graph but only traverse each production of a nonterminal exactly once. By default the in and out methods do nothing

Field Summary

protected List<AlphabetSymbol>

marked

Constructor Summary

protected	AbstractGrammarEntityVisitor()
protected	AbstractGrammarEntityVisitor(boolean shouldPrettyPrint)

Method Summary

void	apply(Grammar g)
void	apply(NonTerminal nonTerminal)
void	apply(Production production)
void	apply(Terminal terminal)
protected LinkedList<GrammarEntity>	getPath()
void	in(NonTerminal nonTerminal)
void	in(Production production)
void	in(Terminal terminal)
protected boolean	isMarked(AlphabetSymbol symbol)
protected void	mark(AlphabetSymbol symbol)
void	out(NonTerminal nonTerminal)
void	out(Production production)
void	out(Terminal terminal)
void	print(Grammar g)
boolean	shouldPrettyPrint() If this method returns true the grammar will be printed to debug after the visitor has run

Methods inherited from class java.lang.Object

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

Field Detail

marked

protected List<AlphabetSymbol> marked

Constructor Detail

AbstractGrammarEntityVisitor

protected AbstractGrammarEntityVisitor()

AbstractGrammarEntityVisitor

protected AbstractGrammarEntityVisitor(boolean shouldPrettyPrint)

Method Detail

apply

public void apply(Grammar g)

Specified by:

apply in interface GrammarEntityVisitor

apply

public void apply(NonTerminal nonTerminal)

Specified by:

apply in interface GrammarEntityVisitor

apply

public void apply(Production production)

Specified by:

apply in interface GrammarEntityVisitor

apply

public void apply(Terminal terminal)

Specified by:

apply in interface GrammarEntityVisitor

getPath

protected LinkedList<GrammarEntity> getPath()

in

public void in(NonTerminal nonTerminal)

Specified by:

in in interface GrammarEntityVisitor

in

public void in(Production production)

Specified by:

in in interface GrammarEntityVisitor

in

public void in(Terminal terminal)

Specified by:

in in interface GrammarEntityVisitor

isMarked

protected boolean isMarked(AlphabetSymbol symbol)

mark

protected void mark(AlphabetSymbol symbol)

out

public void out(NonTerminal nonTerminal)

Specified by:

out in interface GrammarEntityVisitor

out

public void out(Production production)

Specified by:

out in interface GrammarEntityVisitor

out

public void out(Terminal terminal)

Specified by:

out in interface GrammarEntityVisitor

print

public void print(Grammar g)

Specified by:

print in interface GrammarEntityVisitor

shouldPrettyPrint

public boolean shouldPrettyPrint()

If this method returns true the grammar will be printed to debug after the visitor has run

Specified by:

shouldPrettyPrint in interface GrammarEntityVisitor

Returns: