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The source code/***************************************************************************** * * * 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; 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); try { return name.invokeMethod( interpreter, args, callstack, this); } catch ( ReflectError e ) { // XXX //e.printStackTrace(); 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 ); } } } |
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