/*******************************************************************************
*
* Copyright (C) 2008 Fujitsu Services Ltd.
*
* Author: Nick Battle
*
* This file is part of VDMJ.
*
* VDMJ is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* VDMJ is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with VDMJ. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
package org.overture.pog.contexts;
import org.overture.ast.expressions.ALetDefExp;
import org.overture.ast.expressions.PExp;
import org.overture.ast.util.Utils;
public class POLetDefContext extends POContext
{
public final ALetDefExp exp;
public POLetDefContext(ALetDefExp exp)
{
this.exp = exp;
}
@Override
public boolean isScopeBoundary()
{
return true;
}
@Override
public PExp getContextNode(PExp stitch)
{
if (!exp.getLocalDefs().isEmpty())
{
ALetDefExp letDefExp = new ALetDefExp();
letDefExp.setLocalDefs(exp.clone().getLocalDefs());
letDefExp.setExpression(stitch);
return letDefExp;
} else
{
return stitch;
}
}
@Override
public String getContext()
{
StringBuilder sb = new StringBuilder();
if (!exp.getLocalDefs().isEmpty())
{
sb.append("let ");
sb.append(Utils.listToString(exp.getLocalDefs()));
sb.append(" in");
}
return sb.toString();
}
}