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/*
* Copyright (c) 2012-2016 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
package org.antlr.v4.codegen.model.decl;
import org.antlr.v4.codegen.OutputModelFactory;
import org.antlr.v4.codegen.model.DispatchMethod;
import org.antlr.v4.codegen.model.ListenerDispatchMethod;
import org.antlr.v4.codegen.model.VisitorDispatchMethod;
import org.antlr.v4.tool.Rule;
import java.util.ArrayList;
/** A StructDecl to handle a -> label on alt */
public class AltLabelStructDecl extends StructDecl {
public int altNum;
public AltLabelStructDecl(OutputModelFactory factory, Rule r,
int altNum, String label)
{
super(factory, r);
this.altNum = altNum;
this.name = // override name set in super to the label ctx
factory.getGenerator().getTarget().getAltLabelContextStructName(label);
derivedFromName = label;
}
@Override
public void addDispatchMethods(Rule r) {
dispatchMethods = new ArrayList<DispatchMethod>();
if ( factory.getGrammar().tool.gen_listener ) {
dispatchMethods.add(new ListenerDispatchMethod(factory, true));
dispatchMethods.add(new ListenerDispatchMethod(factory, false));
}
if ( factory.getGrammar().tool.gen_visitor ) {
dispatchMethods.add(new VisitorDispatchMethod(factory));
}
}
@Override
public int hashCode() {
return name.hashCode();
}
@Override
public boolean equals(Object obj) {
if ( obj == this ) return true;
if (!(obj instanceof AltLabelStructDecl)) return false;
return name.equals(((AltLabelStructDecl)obj).name);
}
}
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