soot.javaToJimple.jj.ast.JjReturn_c Maven / Gradle / Ivy

package soot.javaToJimple.jj.ast;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2004 Jennifer Lhotak
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program 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 Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import polyglot.ast.Expr;
import polyglot.ext.jl.ast.Return_c;
import polyglot.types.CodeInstance;
import polyglot.types.Context;
import polyglot.types.MethodInstance;
import polyglot.types.Type;
import polyglot.util.Position;
import polyglot.visit.AscriptionVisitor;

public class JjReturn_c extends Return_c {

  public JjReturn_c(Position pos, Expr expr) {
    super(pos, expr);
  }

  public Type childExpectedType(Expr child, AscriptionVisitor av) {
    if (child == expr) {
      Context c = av.context();
      CodeInstance ci = c.currentCode();

      if (ci instanceof MethodInstance) {
        MethodInstance mi = (MethodInstance) ci;
        return mi.returnType();
      }

    }
    return child.type();

  }
}