code: private Status executeReturn(Stmt.Return stmt, CallStack frame, EnclosingScope scope) {
  		// We know that a return statement can only appear in either a function
  		// or method declaration. It cannot appear, for example, in a type
  		// declaration. Therefore, the enclosing declaration is a function or
  		// method.
  		Decl.Callable context = scope.getEnclosingScope(FunctionOrMethodScope.class).getContext();
  		Tuple<Decl.Variable> returns = context.getReturns();
  		RValue[] values = executeExpressions(stmt.getReturns(), frame);
  		for (int i = 0; i != returns.size(); ++i) {
  			frame.putLocal(returns.get(i).getName(), values[i]);
  		}
  		return Status.RETURN;
  	}
docs: Execute a Return statement at a given point in the function or method
  body
  
  @param stmt
  --- The return statement to execute
  @param frame
  --- The current stack frame
  @return