package jif.extension;

import jif.ast.Jif_c;
import jif.translate.ToJavaExt;
import jif.types.JifContext;
import jif.types.JifTypeSystem;
import jif.types.PathMap;
import jif.visit.LabelChecker;
import polyglot.ast.Node;
import polyglot.types.SemanticException;

/** The Jif extension of the <code>Lit</code> or <code>NewLabel</code> node. 
 * 
 *  @see polyglot.ast.Lit
 */
public class JifLiteralExt extends Jif_c
{
    public JifLiteralExt(ToJavaExt toJava) {
        super(toJava);
    }

    public Node labelCheck(LabelChecker lc) throws SemanticException {
	JifTypeSystem ts = lc.jifTypeSystem();
	JifContext A = lc.jifContext();
	A = (JifContext) node().enterScope(A);
	
	PathMap X = ts.pathMap();
	X = X.N(A.pc());
	X = X.NV(A.pc());
	return X(node(), X);
    }
}
