public void breakpointReached(BreakpointEvent event) {
String origMethodName = event.location().method().name();
String methodName = origMethodName.substring(2);
ThreadReference tr = event.thread();
if (vm().canForceEarlyReturn()) {
try {
if ("bytef".equals(methodName)) {
Field theValueField = targetClass.fieldByName("ebyteValue");
ByteValue theValue = (ByteValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
/*
* See what happens if we access the stack after the force
* and before the resume. Disabling this since spec says
* the stack is undefined. This type of code can be used to
* pursue just what that means.
*
* StackFrame sf = tr.frame(0);
* List<Value> ll = sf.getArgumentValues();
* for (Value vv: ll) {
* System.out.println("vv = " + vv);
* }
*/
} else if ("charf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("echarValue");
CharValue theValue = (CharValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("doublef".equals(methodName)) {
Field theValueField = targetClass.fieldByName("edoubleValue");
DoubleValue theValue = (DoubleValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("floatf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("efloatValue");
FloatValue theValue = (FloatValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("intf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eintValue");
IntegerValue theValue = (IntegerValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("longf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("elongValue");
LongValue theValue = (LongValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("shortf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eshortValue");
ShortValue theValue = (ShortValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("booleanf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("ebooleanValue");
BooleanValue theValue = (BooleanValue) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("stringf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("estringValue");
StringReference theValue = (StringReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("classf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eclassValue");
ClassObjectReference theValue =
(ClassObjectReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("classLoaderf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eclassLoaderValue");
ClassLoaderReference theValue =
(ClassLoaderReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("threadf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("ethreadValue");
ThreadReference theValue = (ThreadReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("threadGroupf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("ethreadGroupValue");
ThreadGroupReference theValue =
(ThreadGroupReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("intArrayf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eintArrayValue");
ArrayReference theValue = (ArrayReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("nullObjectf".equals(methodName)) {
tr.forceEarlyReturn(null);
} else if ("objectf".equals(methodName)) {
Field theValueField = targetClass.fieldByName("eobjectValue");
ObjectReference theValue = (ObjectReference) targetClass.getValue(theValueField);
tr.forceEarlyReturn(theValue);
} else if ("voidf".equals(methodName)) {
VoidValue theValue = vm().mirrorOfVoid();
tr.forceEarlyReturn(theValue);
} else {
failure("failure: Unknown methodName: " + origMethodName);
}
} catch (Exception ex) {
failure("failure: " + ex.toString());
ex.printStackTrace();
}
} else {
System.out.println("Cannot force early return for method: " + origMethodName);
}
}
