/*****************************************************************************
* *
* This file is part of the BeanShell Java Scripting distribution. *
* Documentation and updates may be found at http://www.beanshell.org/ *
* *
* Sun Public License Notice: *
* *
* The contents of this file are subject to the Sun Public License Version *
* 1.0 (the "License"); you may not use this file except in compliance with *
* the License. A copy of the License is available at http://www.sun.com *
* *
* The Original Code is BeanShell. The Initial Developer of the Original *
* Code is Pat Niemeyer. Portions created by Pat Niemeyer are Copyright *
* (C) 2000. All Rights Reserved. *
* *
* GNU Public License Notice: *
* *
* Alternatively, the contents of this file may be used under the terms of *
* the GNU Lesser General Public License (the "LGPL"), in which case the *
* provisions of LGPL are applicable instead of those above. If you wish to *
* allow use of your version of this file only under the terms of the LGPL *
* and not to allow others to use your version of this file under the SPL, *
* indicate your decision by deleting the provisions above and replace *
* them with the notice and other provisions required by the LGPL. If you *
* do not delete the provisions above, a recipient may use your version of *
* this file under either the SPL or the LGPL. *
* *
* Patrick Niemeyer (pat@pat.net) *
* Author of Learning Java, O'Reilly & Associates *
* http://www.pat.net/~pat/ *
* *
*****************************************************************************/
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;
}
}