/*****************************************************************************
* Licensed to the Apache Software Foundation (ASF) under one *
* or more contributor license agreements. See the NOTICE file *
* distributed with this work for additional information *
* regarding copyright ownership. The ASF licenses this file *
* to you under the Apache License, Version 2.0 (the *
* "License"); you may not use this file except in compliance *
* with the License. You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, *
* software distributed under the License is distributed on an *
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY *
* KIND, either express or implied. See the License for the *
* specific language governing permissions and limitations *
* under the License. *
* *
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* Patrick Niemeyer (pat@pat.net) *
* Author of Learning Java, O'Reilly & Associates *
* *
*****************************************************************************/
package bsh;
/**
A formal parameter declaration.
For loose variable declaration type is null.
*/
class
BSHFormalParameter extends
SimpleNode
{
public static final
Class UNTYPED = null;
public
String name;
// unsafe caching of type here
public
Class type;
BSHFormalParameter(int
id) { super(
id); }
public
String getTypeDescriptor(
CallStack callstack,
Interpreter interpreter,
String defaultPackage )
{
if (
jjtGetNumChildren() > 0 )
return ((
BSHType)
jjtGetChild(0)).
getTypeDescriptor(
callstack,
interpreter,
defaultPackage );
else
// this will probably not get used
return "Ljava/lang/Object;"; // Object type
}
/**
Evaluate the type.
*/
public
Object eval(
CallStack callstack,
Interpreter interpreter)
throws
EvalError
{
if (
jjtGetNumChildren() > 0 )
type = ((
BSHType)
jjtGetChild(0)).
getType(
callstack,
interpreter );
else
type =
UNTYPED;
return
type;
}
}