package org.scribble.ast.local;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.antlr.runtime.tree.CommonTree;
import org.scribble.ast.AstFactoryImpl;
import org.scribble.ast.Constants;
import org.scribble.ast.MessageNode;
import org.scribble.ast.ScribNodeBase;
import org.scribble.ast.name.simple.RoleNode;
import org.scribble.del.ScribDel;
import org.scribble.main.RuntimeScribbleException;
import org.scribble.main.ScribbleException;
import org.scribble.sesstype.Message;
import org.scribble.sesstype.kind.Local;
import org.scribble.sesstype.name.Role;
import org.scribble.util.ScribUtil;
import org.scribble.visit.context.ProjectedChoiceSubjectFixer;
public class LReceive extends LMessageTransfer implements LSimpleInteractionNode
{
public LReceive(CommonTree source, RoleNode src, MessageNode msg, List<RoleNode> dests)
{
super(source, src, msg, dests);
}
@Override
protected ScribNodeBase copy()
{
return new LReceive(this.source, this.src, this.msg, getDestinations());
}
@Override
public LReceive clone()
{
RoleNode src = this.src.clone();
MessageNode msg = this.msg.clone();
List<RoleNode> dests = ScribUtil.cloneList(getDestinations());
return AstFactoryImpl.FACTORY.LReceive(this.source, src, msg, dests);
}
@Override
public LReceive reconstruct(RoleNode src, MessageNode msg, List<RoleNode> dests)
{
ScribDel del = del();
LReceive lr = new LReceive(this.source, src, msg, dests);
lr = (LReceive) lr.del(del);
return lr;
}
@Override
public Role inferLocalChoiceSubject(ProjectedChoiceSubjectFixer fixer)
{
fixer.setChoiceSubject(this.src.toName());
return this.src.toName();
}
// FIXME: shouldn't be needed, but here due to Eclipse bug https://bugs.eclipse.org/bugs/show_bug.cgi?id=436350
@Override
public Local getKind()
{
return LSimpleInteractionNode.super.getKind();
}
@Override
public String toString()
{
return this.msg + " " + Constants.FROM_KW + " " + this.src + ";";
}
@Override
public LInteractionNode merge(LInteractionNode ln) throws ScribbleException
{
throw new RuntimeScribbleException("Invalid merge on LReceive: " + this);
}
@Override
public boolean canMerge(LInteractionNode ln)
{
return false;
}
@Override
public Set<Message> getEnabling()
{
Set<Message> enab = new HashSet<>();
enab.add(this.msg.toMessage());
return enab;
}
}