/*****************************************************************************
* 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;
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 );
}
}
}