com.sun.msv.grammar.SequenceExp Maven / Gradle / Ivy
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* Copyright (c) 2001-2013 Oracle and/or its affiliates. All rights reserved.
*
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package com.sun.msv.grammar;
/**
* A,B. concatenation operator of the regular expression.
*
* @author Kohsuke KAWAGUCHI
*/
public final class SequenceExp extends BinaryExp {
SequenceExp( Expression left, Expression right ) { super(left,right); }
public Object visit( ExpressionVisitor visitor ) { return visitor.onSequence(this); }
public Expression visit( ExpressionVisitorExpression visitor ) { return visitor.onSequence(this); }
public boolean visit( ExpressionVisitorBoolean visitor ) { return visitor.onSequence(this); }
public void visit( ExpressionVisitorVoid visitor ) { visitor.onSequence(this); }
protected boolean calcEpsilonReducibility() {
return exp1.isEpsilonReducible() && exp2.isEpsilonReducible();
}
// serialization support
private static final long serialVersionUID = 1;
}