/*******************************************************************************
* Copyright (c) 2000, 2012 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.debug.eval.ast.instructions;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.debug.core.IJavaClassType;
import org.eclipse.jdt.debug.core.IJavaType;
import org.eclipse.jdt.debug.core.IJavaValue;
import org.eclipse.jdt.internal.debug.core.JDIDebugPlugin;
import org.eclipse.osgi.util.NLS;
/**
* Sends a message. The arguments are on the stack in reverse order, followed by
* the receiver. Pushes the result, if any, onto the stack
*/
public class SendStaticMessage extends CompoundInstruction {
private int fArgCount;
private String fSelector;
private String fSignature;
private String fTypeName;
public SendStaticMessage(String typeName, String selector,
String signature, int argCount, int start) {
super(start);
fArgCount = argCount;
fSelector = selector;
fSignature = signature;
fTypeName = typeName;
}
@Override
public void execute() throws CoreException {
IJavaValue[] args = new IJavaValue[fArgCount];
// args are in reverse order
for (int i = fArgCount - 1; i >= 0; i--) {
args[i] = popValue();
}
IJavaType receiver = getType(fTypeName);
IJavaValue result;
if (receiver instanceof IJavaClassType) {
result = ((IJavaClassType) receiver).sendMessage(fSelector,
fSignature, args, getContext().getThread());
} else {
throw new CoreException(
new Status(
IStatus.ERROR,
JDIDebugPlugin.getUniqueIdentifier(),
IStatus.OK,
InstructionsEvaluationMessages.SendStaticMessage_Cannot_send_a_static_message_to_a_non_class_type_object_1,
null));
}
setLastValue(result);
if (!fSignature.endsWith(")V")) { //$NON-NLS-1$
// only push the result if not a void method
push(result);
}
}
@Override
public String toString() {
return NLS.bind(InstructionsEvaluationMessages.SendStaticMessage_send_static_message__0___1__2,
new String[] { fSelector, fSignature });
}
}