/*
* [The "BSD license"]
* Copyright (c) 2012 Terence Parr
* Copyright (c) 2012 Sam Harwell
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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);
}
}