/*****************************************************************************
* *
* 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 org.gjt.sp.jedit.bsh;
import java.lang.reflect.InvocationTargetException;
class BSHMethodInvocation extends SimpleNode
{
BSHMethodInvocation (int id) { super(id); }
BSHAmbiguousName getNameNode() {
return (BSHAmbiguousName)jjtGetChild(0);
}
BSHArguments getArgsNode() {
return (BSHArguments)jjtGetChild(1);
}
/**
Evaluate the method invocation with the specified callstack and
interpreter
*/
public Object eval( CallStack callstack, Interpreter interpreter )
throws EvalError
{
NameSpace namespace = callstack.top();
BSHAmbiguousName nameNode = getNameNode();
// Do not evaluate methods this() or super() in class instance space
// (i.e. inside a constructor)
if ( namespace.getParent() != null && namespace.getParent().isClass
&& ( nameNode.text.equals("super") || nameNode.text.equals("this") )
)
return Primitive.VOID;
Name name = nameNode.getName(namespace);
Object[] args = getArgsNode().getArguments(callstack, interpreter);
// This try/catch block is replicated is BSHPrimarySuffix... need to
// factor out common functionality...
// Move to Reflect?
try {
return name.invokeMethod( interpreter, args, callstack, this);
} catch ( ReflectError e ) {
throw new EvalError(
"Error in method invocation: " + e.getMessage(),
this, callstack );
} catch ( InvocationTargetException e )
{
String msg = "Method Invocation "+name;
Throwable te = e.getTargetException();
/*
Try to squeltch the native code stack trace if the exception
was caused by a reflective call back into the bsh interpreter
(e.g. eval() or source()
*/
boolean isNative = true;
if ( te instanceof EvalError )
if ( te instanceof TargetError )
isNative = ((TargetError)te).inNativeCode();
else
isNative = false;
throw new TargetError( msg, te, this, callstack, isNative );
} catch ( UtilEvalError e ) {
throw e.toEvalError( this, callstack );
}
}
}