public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List <StackValue> s = dsi.runtime.rmem.Stack;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
Object retVal = null;
if (ReflectionInfo.IsWrapperOf(CLRModuleType.DisposeMethod))
{
// For those FFI objects that are disposable but don't provide
// Dispose() method in their classes, they will share a same
// Dispose() method from CLRModuleType.DisposeMethod. We need
// to manually dispose them.
var thisObject = marshaller.UnMarshal(s.Last(), c, dsi, typeof(IDisposable));
if (thisObject != null && thisObject is IDisposable)
{
var disposable = thisObject as IDisposable;
disposable.Dispose();
}
}
else
{
retVal = base.Execute(c, dsi);
}
marshaller.OnDispose(s.Last(), c, dsi); //Notify marshler for dispose.
return(retVal);
}
/// <summary>
///
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dsObject"></param>
/// <param name="context"></param>
/// <param name="dsi"></param>
/// <returns></returns>
public static T[] ConvertDSArrayToCSArray <T>(FFIObjectMarshler marshaler, StackValue dsObject, ProtoCore.Runtime.Context context, Interpreter dsi)
{
StackValue[] arr = dsi.runtime.rmem.GetArrayElements(dsObject);
int count = arr.Length;
T[] array = new T[count];
Type objType = typeof(T);
for (int idx = 0; idx < count; ++idx)
{
object obj = marshaler.UnMarshal(arr[idx], context, dsi, objType);
if (null == obj)
{
if (objType.IsValueType)
{
throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", objType.Name));
}
array[idx] = default(T);
}
else
{
array[idx] = (T)obj;
}
}
return(array);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
int nParamCount = mArgTypes.Length;
int paramCount = mArgTypes.Length;
int envSize = IsDNI ? 2 : 0;
int totalParamCount = paramCount + envSize;
List <Object> parameters = new List <object>();
List <ProtoCore.DSASM.StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.Core);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(ProtoCore.RuntimeData.WarningMessage.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, message);
return(null);
}
if (thisObject == null)
{
return(null); //Can't call a method on null object.
}
}
ParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.kStackFrameSize - locals - i - 1;
ProtoCore.DSASM.StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].ParameterType;
object param = marshaller.UnMarshal(opArg, c, dsi, paramType);
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
{
throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
}
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
return(null);
}
catch (InvalidOperationException)
{
string message = String.Format(ProtoCore.RuntimeData.WarningMessage.kFFIFailedToObtainObject, paraminfos[i].ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, message);
return(null);
}
}
object ret = null;
StackValue dsRetValue = StackUtils.BuildNull();
try
{
ret = InvokeFunctionPointer(thisObject, parameters.Count > 0 ? parameters.ToArray() : null);
//Reduce to singleton if the attribute is specified.
ret = ReflectionInfo.ReduceReturnedCollectionToSingleton(ret);
dsRetValue = marshaller.Marshal(ret, c, dsi, mReturnType);
}
catch (DllNotFoundException ex)
{
if (ex.InnerException != null)
{
dsi.LogSemanticError(ex.InnerException.Message);
}
dsi.LogSemanticError(ex.Message);
}
catch (System.Reflection.TargetException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.Reflection.TargetInvocationException ex)
{
if (ex.InnerException != null)
{
System.Exception exc = ex.InnerException;
if (exc is System.ArgumentException)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(exc));
}
else if (exc is System.NullReferenceException)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(null));
}
else
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(exc));
}
}
else
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ErrorString(ex));
}
}
catch (System.Reflection.TargetParameterCountException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.MethodAccessException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.InvalidOperationException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.NotSupportedException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.InnerException.Message);
}
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kAccessViolation, ex.Message);
}
catch (System.ArgumentException ex)
{
if (ex.InnerException != null)
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(ex.InnerException));
}
else
{
dsi.LogWarning(ProtoCore.RuntimeData.WarningID.kInvalidArguments, ErrorString(ex));
}
}
catch (Exception ex)
{
if (ex.InnerException != null)
{
dsi.LogSemanticError(ErrorString(ex.InnerException));
}
dsi.LogSemanticError(ErrorString(ex));
}
return(dsRetValue);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List <Object> parameters = new List <object>();
List <StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, message);
return(null);
}
if (thisObject == null)
{
return(null); //Can't call a method on null object.
}
}
FFIParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
List <StackValue> referencedParameters = new List <StackValue>();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.StackFrameSize - locals - i - 1;
StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].Info.ParameterType;
object param = null;
if (opArg.IsDefaultArgument)
{
param = Type.Missing;
}
else
{
param = marshaller.UnMarshal(opArg, c, dsi, paramType);
}
if (paraminfos[i].KeepReference && opArg.IsReferenceType)
{
referencedParameters.Add(opArg);
}
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
{
//This is going to cause a cast exception. This is a very frequently called problem, so we want to short-cut the execution
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation,
string.Format(Resources.FailedToCastFromNull, paraminfos[i].Info.ParameterType.Name));
return(null);
//throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
}
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, ex.Message);
return(null);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainObject, paraminfos[i].Info.ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.AccessViolation, message);
return(null);
}
}
var ret = InvokeFunctionPointerNoThrow(c, dsi, thisObject, parameters.Count > 0 ? parameters.ToArray() : null);
int count = referencedParameters.Count;
if (count > 0 && (ret is StackValue))
{
// If there is a parameter who has attribute [KeepReference],
// it means this parameter will cross the DesignScript boundary
// and be referenced by C# object. Therefore, when its DS
// wrapper object is out of scope, we shouldn't dispose it;
// otherwise that C# object will reference to an invalid object.
//
// The hack here is to treat it like a property in the return
// object. Note all DS wrapper objects are dummy objects who
// haven't any members. By allocating extra space on the heap,
// we store the reference in the return object so that the
// parameter will have the same lifecycle as the return object.
var pointer = (StackValue)ret;
if (pointer.IsPointer)
{
var dsObject = dsi.runtime.rmem.Heap.ToHeapObject <DSObject>(pointer);
if (dsObject != null)
{
int startIndex = dsObject.Count;
try
{
dsObject.ExpandBySize(count);
Validity.Assert(dsObject.Count >= referencedParameters.Count);
for (int i = 0; i < referencedParameters.Count; i++)
{
dsObject.SetValueAtIndex(startIndex + i, referencedParameters[i], dsi.runtime.RuntimeCore);
}
}
catch (RunOutOfMemoryException)
{
dsi.runtime.RuntimeCore.RuntimeStatus.LogWarning(ProtoCore.Runtime.WarningID.RunOutOfMemory, Resources.RunOutOfMemory);
return(StackValue.Null);
}
}
}
}
return(ret);
}
public override object Execute(ProtoCore.Runtime.Context c, Interpreter dsi)
{
List <Object> parameters = new List <object>();
List <StackValue> s = dsi.runtime.rmem.Stack;
Object thisObject = null;
FFIObjectMarshler marshaller = Module.GetMarshaller(dsi.runtime.RuntimeCore);
if (!ReflectionInfo.IsStatic)
{
try
{
thisObject = marshaller.UnMarshal(s.Last(), c, dsi, ReflectionInfo.DeclaringType);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainThisObject, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, message);
return(null);
}
if (thisObject == null)
{
return(null); //Can't call a method on null object.
}
}
ParameterInfo[] paraminfos = ReflectionInfo.GetParameters();
for (int i = 0; i < mArgTypes.Length; ++i)
{
// Comment Jun: FFI function stack frames do not contain locals
int locals = 0;
int relative = 0 - ProtoCore.DSASM.StackFrame.kStackFrameSize - locals - i - 1;
StackValue opArg = dsi.runtime.rmem.GetAtRelative(relative);
try
{
Type paramType = paraminfos[i].ParameterType;
object param = null;
if (opArg.IsDefaultArgument)
{
param = Type.Missing;
}
else
{
param = marshaller.UnMarshal(opArg, c, dsi, paramType);
}
//null is passed for a value type, so we must return null
//rather than interpreting any value from null. fix defect 1462014
if (!paramType.IsGenericType && paramType.IsValueType && param == null)
{
//This is going to cause a cast exception. This is a very frequently called problem, so we want to short-cut the execution
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation,
string.Format(Resources.FailedToCastFromNull, paraminfos[i].ParameterType.Name));
return(null);
//throw new System.InvalidCastException(string.Format("Null value cannot be cast to {0}", paraminfos[i].ParameterType.Name));
}
parameters.Add(param);
}
catch (System.InvalidCastException ex)
{
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, ex.Message);
return(null);
}
catch (InvalidOperationException)
{
string message = String.Format(Resources.kFFIFailedToObtainObject, paraminfos[i].ParameterType.Name, ReflectionInfo.DeclaringType.Name, ReflectionInfo.Name);
dsi.LogWarning(ProtoCore.Runtime.WarningID.kAccessViolation, message);
return(null);
}
}
return(InvokeFunctionPointerNoThrow(c, dsi, thisObject, parameters.Count > 0 ? parameters.ToArray() : null));
}
