Disamb.java

package polyglot.ast;

import polyglot.types.*;
import polyglot.visit.*;
import polyglot.util.*;

/**
 * Utility class which is used to disambiguate ambiguous
 * AST nodes (Expr, Type, Receiver, Qualifier, Prefix).
 */
public interface Disamb
{
    /**
     * Disambiguate the prefix and name into a unambiguous node of the
     * appropriate type.
     * @return An unambiguous AST node, or null if disambiguation fails.
     */
    Node disambiguate(Ambiguous amb, ContextVisitor v, Position pos,
                      Prefix prefix, String name) throws SemanticException;
}