|
public RuntimeInvoke ( |
||
| function | ||
| object_argument | ||
| param_objects | ||
| flags | RuntimeInvokeFlags | |
| return | ||
public static EvaluationResult GetProperty(Thread thread, TargetPropertyInfo property,
TargetStructObject instance, EvaluationFlags flags,
int timeout, out string error, out TargetObject result)
{
error = null;
RuntimeInvokeResult rti;
try {
RuntimeInvokeFlags rti_flags = RuntimeInvokeFlags.VirtualMethod;
if ((flags & EvaluationFlags.NestedBreakStates) != 0)
rti_flags |= RuntimeInvokeFlags.NestedBreakStates;
rti = thread.RuntimeInvoke (
property.Getter, instance, new TargetObject [0], rti_flags);
if (!rti.CompletedEvent.WaitOne (timeout, false)) {
rti.Abort ();
result = null;
return EvaluationResult.Timeout;
}
if ((rti.TargetException != null) &&
(rti.TargetException.Type == TargetError.ClassNotInitialized)) {
result = null;
error = rti.ExceptionMessage;
return EvaluationResult.NotInitialized;
}
if (rti.Result is Exception) {
result = null;
error = ((Exception) rti.Result).Message;
return EvaluationResult.UnknownError;
}
result = (TargetObject) rti.ReturnObject;
if (rti.ExceptionMessage != null) {
error = rti.ExceptionMessage;
return EvaluationResult.Exception;
} else if (rti.ReturnObject == null) {
rti.Abort ();
return EvaluationResult.UnknownError;
}
return EvaluationResult.Ok;
} catch (TargetException ex) {
result = null;
error = ex.ToString ();
return EvaluationResult.UnknownError;
}
}
public static EvaluationResult MonoObjectToString(Thread thread, TargetStructObject obj,
EvaluationFlags flags, int timeout,
out string result)
{
result = null;
if (!obj.Type.Language.IsManaged)
return EvaluationResult.MethodNotFound;
again:
TargetStructType ctype = obj.Type;
if ((ctype.Name == "System.Object") || (ctype.Name == "System.ValueType"))
return EvaluationResult.MethodNotFound;
TargetClass klass = ctype.GetClass (thread);
if (klass == null)
return EvaluationResult.NotInitialized;
TargetMethodInfo[] methods = klass.GetMethods (thread);
if (methods == null)
return EvaluationResult.MethodNotFound;
foreach (TargetMethodInfo minfo in methods) {
if (minfo.Name != "ToString")
continue;
TargetFunctionType ftype = minfo.Type;
if (ftype.ParameterTypes.Length != 0)
continue;
if (ftype.ReturnType != ftype.Language.StringType)
continue;
RuntimeInvokeResult rti;
try {
RuntimeInvokeFlags rti_flags = RuntimeInvokeFlags.VirtualMethod;
if ((flags & EvaluationFlags.NestedBreakStates) != 0)
rti_flags |= RuntimeInvokeFlags.NestedBreakStates;
rti = thread.RuntimeInvoke (
ftype, obj, new TargetObject [0], rti_flags);
if (!rti.CompletedEvent.WaitOne (timeout, false)) {
rti.Abort ();
return EvaluationResult.Timeout;
}
if ((rti.TargetException != null) &&
(rti.TargetException.Type == TargetError.ClassNotInitialized)) {
result = null;
return EvaluationResult.NotInitialized;
}
if (rti.Result is Exception) {
result = ((Exception) rti.Result).Message;
return EvaluationResult.UnknownError;
}
if (rti.ExceptionMessage != null) {
result = rti.ExceptionMessage;
return EvaluationResult.Exception;
} else if (rti.ReturnObject == null) {
rti.Abort ();
return EvaluationResult.UnknownError;
}
} catch (TargetException ex) {
result = ex.ToString ();
return EvaluationResult.UnknownError;
}
TargetObject retval = (TargetObject) rti.ReturnObject;
result = (string) ((TargetFundamentalObject) retval).GetObject (thread);
return EvaluationResult.Ok;
}
if (obj.Type.HasParent) {
obj = obj.GetParentObject (thread) as TargetClassObject;
if (obj != null)
goto again;
}
return EvaluationResult.MethodNotFound;
}
public static EvaluationResult GetProperty(Thread thread, TargetPropertyInfo property,
TargetStructObject instance, EvaluationFlags flags,
int timeout, out string error, out TargetObject result)
{
error = null;
RuntimeInvokeResult rti;
try {
RuntimeInvokeFlags rti_flags = RuntimeInvokeFlags.VirtualMethod;
if ((flags & EvaluationFlags.NestedBreakStates) != 0)
{
rti_flags |= RuntimeInvokeFlags.NestedBreakStates;
}
rti = thread.RuntimeInvoke(
property.Getter, instance, new TargetObject [0], rti_flags);
if (!rti.CompletedEvent.WaitOne(timeout, false))
{
rti.Abort();
result = null;
return(EvaluationResult.Timeout);
}
if ((rti.TargetException != null) &&
(rti.TargetException.Type == TargetError.ClassNotInitialized))
{
result = null;
error = rti.ExceptionMessage;
return(EvaluationResult.NotInitialized);
}
if (rti.Result is Exception)
{
result = null;
error = ((Exception)rti.Result).Message;
return(EvaluationResult.UnknownError);
}
result = (TargetObject)rti.ReturnObject;
if (rti.ExceptionMessage != null)
{
error = rti.ExceptionMessage;
return(EvaluationResult.Exception);
}
else if (rti.ReturnObject == null)
{
rti.Abort();
return(EvaluationResult.UnknownError);
}
return(EvaluationResult.Ok);
} catch (TargetException ex) {
result = null;
error = ex.ToString();
return(EvaluationResult.UnknownError);
}
}
public static EvaluationResult MonoObjectToString(Thread thread, TargetStructObject obj,
EvaluationFlags flags, int timeout,
out string result)
{
result = null;
if (!obj.Type.Language.IsManaged)
{
return(EvaluationResult.MethodNotFound);
}
again:
TargetStructType ctype = obj.Type;
if ((ctype.Name == "System.Object") || (ctype.Name == "System.ValueType"))
{
return(EvaluationResult.MethodNotFound);
}
TargetClass klass = ctype.GetClass(thread);
if (klass == null)
{
return(EvaluationResult.NotInitialized);
}
TargetMethodInfo[] methods = klass.GetMethods(thread);
if (methods == null)
{
return(EvaluationResult.MethodNotFound);
}
foreach (TargetMethodInfo minfo in methods)
{
if (minfo.Name != "ToString")
{
continue;
}
TargetFunctionType ftype = minfo.Type;
if (ftype.ParameterTypes.Length != 0)
{
continue;
}
if (ftype.ReturnType != ftype.Language.StringType)
{
continue;
}
RuntimeInvokeResult rti;
try {
RuntimeInvokeFlags rti_flags = RuntimeInvokeFlags.VirtualMethod;
if ((flags & EvaluationFlags.NestedBreakStates) != 0)
{
rti_flags |= RuntimeInvokeFlags.NestedBreakStates;
}
rti = thread.RuntimeInvoke(
ftype, obj, new TargetObject [0], rti_flags);
if (!rti.CompletedEvent.WaitOne(timeout, false))
{
rti.Abort();
return(EvaluationResult.Timeout);
}
if ((rti.TargetException != null) &&
(rti.TargetException.Type == TargetError.ClassNotInitialized))
{
result = null;
return(EvaluationResult.NotInitialized);
}
if (rti.Result is Exception)
{
result = ((Exception)rti.Result).Message;
return(EvaluationResult.UnknownError);
}
if (rti.ExceptionMessage != null)
{
result = rti.ExceptionMessage;
return(EvaluationResult.Exception);
}
else if (rti.ReturnObject == null)
{
rti.Abort();
return(EvaluationResult.UnknownError);
}
} catch (TargetException ex) {
result = ex.ToString();
return(EvaluationResult.UnknownError);
}
TargetObject retval = (TargetObject)rti.ReturnObject;
result = (string)((TargetFundamentalObject)retval).GetObject(thread);
return(EvaluationResult.Ok);
}
if (obj.Type.HasParent)
{
obj = obj.GetParentObject(thread) as TargetClassObject;
if (obj != null)
{
goto again;
}
}
return(EvaluationResult.MethodNotFound);
}
public RuntimeInvokeResult RuntimeInvoke(Thread thread,
TargetFunctionType function,
TargetStructObject object_argument,
TargetObject[] param_objects,
RuntimeInvokeFlags flags)
{
IInterruptionHandler interruption = InterruptionHandler ?? Interpreter;
if (interruption.CheckInterruption ())
throw new EvaluationTimeoutException ();
RuntimeInvokeResult result = thread.RuntimeInvoke (
function, object_argument, param_objects, flags);
WaitHandle[] handles = new WaitHandle [2];
handles [0] = interruption.InterruptionEvent;
handles [1] = result.CompletedEvent;
int ret = WaitHandle.WaitAny (handles);
if (ret == 0) {
result.Abort ();
throw new EvaluationTimeoutException ();
}
return result;
}
