internal static object Call(
IntPtr dynamicInvokeHelperMethod,
object thisPtr,
IntPtr methodToCall,
ref ArgSetupState argSetupState,
bool isTargetThisCall)
{
// This method is implemented elsewhere in the toolchain
throw new NotSupportedException();
}
internal static void DynamicInvokeArgSetupComplete(ref ArgSetupState argSetupState)
{
int parametersLength = s_parameters != null ? s_parameters.Length : 0;
if (s_curIndex != parametersLength)
{
throw new System.Reflection.TargetParameterCountException();
}
argSetupState.fComplete = true;
argSetupState.nullableCopyBackObjects = s_nullableCopyBackObjects;
s_nullableCopyBackObjects = null;
}
internal static object DynamicInvokeCallTemplate(object thisPtr, IntPtr methodToCall, ref ArgSetupState argSetupState, bool targetIsThisCall)
{
// This function will look like
//
// !For each parameter to the method
// !if (parameter is In Parameter)
// localX is TypeOfParameterX&
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperIn(RuntimeTypeHandle)
// stloc localX
// !else
// localX is TypeOfParameter
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperRef(RuntimeTypeHandle)
// stloc localX
// ldarg.2
// call DynamicInvokeArgSetupComplete(ref ArgSetupState)
// !if (targetIsThisCall)
// ldarg.0 // Load this pointer
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType thiscall(TypeOfParameter1, ...)
// !if ((ReturnType != void) && !(ReturnType is a byref)
// ldnull
// !else
// box ReturnType
// ret
// !else
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType (TypeOfParameter1, ...)
// !if ((ReturnType != void) && !(ReturnType is a byref)
// ldnull
// !else
// box ReturnType
// ret
return(null);
}
internal static object CallDynamicInvokeMethod(
object thisPtr,
IntPtr methodToCall,
object thisPtrDynamicInvokeMethod,
IntPtr dynamicInvokeHelperMethod,
IntPtr dynamicInvokeHelperGenericDictionary,
object targetMethodOrDelegate,
object[] parameters,
BinderBundle binderBundle,
bool wrapInTargetInvocationException,
bool invokeMethodHelperIsThisCall = true,
bool methodToCallIsThisCall = true)
{
// This assert is needed because we've double-purposed "targetMethodOrDelegate" (which is actually a MethodBase anytime a custom binder is used)
// as a way of obtaining the true parameter type which we need to pass to Binder.ChangeType(). (The type normally passed to DynamicInvokeParamHelperCore
// isn't always the exact type (byref stripped off, enums converted to int, etc.)
Debug.Assert(!(binderBundle != null && !(targetMethodOrDelegate is MethodBase)), "The only callers that can pass a custom binder are those servicing MethodBase.Invoke() apis.");
bool parametersNeedCopyBack = false;
ArgSetupState argSetupState = default(ArgSetupState);
// Capture state of thread static invoke helper statics
object[] parametersOld = s_parameters;
object[] nullableCopyBackObjectsOld = s_nullableCopyBackObjects;
int curIndexOld = s_curIndex;
object targetMethodOrDelegateOld = s_targetMethodOrDelegate;
BinderBundle binderBundleOld = s_binderBundle;
s_binderBundle = binderBundle;
object[] customBinderProvidedParametersOld = s_customBinderProvidedParameters;
s_customBinderProvidedParameters = null;
try
{
// If the passed in array is not an actual object[] instance, we need to copy it over to an actual object[]
// instance so that the rest of the code can safely create managed object references to individual elements.
if (parameters != null && EETypePtr.EETypePtrOf <object[]>() != parameters.EETypePtr)
{
s_parameters = new object[parameters.Length];
Array.Copy(parameters, s_parameters, parameters.Length);
parametersNeedCopyBack = true;
}
else
{
s_parameters = parameters;
}
s_nullableCopyBackObjects = null;
s_curIndex = 0;
s_targetMethodOrDelegate = targetMethodOrDelegate;
try
{
object result = null;
if (invokeMethodHelperIsThisCall)
{
Debug.Assert(methodToCallIsThisCall == true);
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, thisPtrDynamicInvokeMethod, thisPtr, methodToCall, ref argSetupState);
System.Diagnostics.DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
else
{
if (dynamicInvokeHelperGenericDictionary != IntPtr.Zero)
{
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, dynamicInvokeHelperGenericDictionary, thisPtr, methodToCall, ref argSetupState, methodToCallIsThisCall);
DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
else
{
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, thisPtr, methodToCall, ref argSetupState, methodToCallIsThisCall);
DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
}
return(result);
}
catch (Exception e) when(wrapInTargetInvocationException && argSetupState.fComplete)
{
throw new TargetInvocationException(e);
}
finally
{
if (parametersNeedCopyBack)
{
Array.Copy(s_parameters, parameters, parameters.Length);
}
if (argSetupState.fComplete)
{
// Nullable objects can't take advantage of the ability to update the boxed value on the heap directly, so perform
// an update of the parameters array now.
if (argSetupState.nullableCopyBackObjects != null)
{
for (int i = 0; i < argSetupState.nullableCopyBackObjects.Length; i++)
{
if (argSetupState.nullableCopyBackObjects[i] != null)
{
parameters[i] = DynamicInvokeBoxIntoNonNullable(argSetupState.nullableCopyBackObjects[i]);
}
}
}
}
}
}
finally
{
// Restore state of thread static helper statics
s_parameters = parametersOld;
s_nullableCopyBackObjects = nullableCopyBackObjectsOld;
s_curIndex = curIndexOld;
s_targetMethodOrDelegate = targetMethodOrDelegateOld;
s_binderBundle = binderBundleOld;
s_customBinderProvidedParameters = customBinderProvidedParametersOld;
}
}
internal static object DynamicInvokeCallTemplate(object thisPtr, IntPtr methodToCall, ref ArgSetupState argSetupState, bool targetIsThisCall)
{
// This function will look like
//
// !For each parameter to the method
// !if (parameter is In Parameter)
// localX is TypeOfParameterX&
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperIn(RuntimeTypeHandle)
// stloc localX
// !else
// localX is TypeOfParameter
// ldtoken TypeOfParameterX
// call DynamicInvokeParamHelperRef(RuntimeTypeHandle)
// stloc localX
// ldarg.2
// call DynamicInvokeArgSetupComplete(ref ArgSetupState)
// !if (targetIsThisCall)
// ldarg.0 // Load this pointer
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType thiscall(TypeOfParameter1, ...)
// !if ((ReturnType != void) && !(ReturnType is a byref)
// ldnull
// !else
// box ReturnType
// ret
// !else
// !For each parameter
// !if (parameter is In Parameter)
// ldloc localX
// ldobj TypeOfParameterX
// !else
// ldloc localX
// ldarg.1
// calli ReturnType (TypeOfParameter1, ...)
// !if ((ReturnType != void) && !(ReturnType is a byref)
// ldnull
// !else
// box ReturnType
// ret
return null;
}
internal static object?CheckArgument(object?srcObject, EETypePtr dstEEType, CheckArgumentSemantics semantics, BinderBundle?binderBundle, ref ArgSetupState argSetupState)
{
// Methods with ByRefLike types in signatures should be filtered out by the compiler
Debug.Assert(!dstEEType.IsByRefLike);
if (srcObject == null)
{
// null -> default(T)
if (dstEEType.IsPointer)
{
return(default(IntPtr));
}
else if (dstEEType.IsValueType && !dstEEType.IsNullable)
{
if (semantics == CheckArgumentSemantics.SetFieldDirect)
{
throw CreateChangeTypeException(typeof(object).TypeHandle.ToEETypePtr(), dstEEType, semantics);
}
return(Runtime.RuntimeImports.RhNewObject(dstEEType));
}
else
{
return(null);
}
}
else
{
EETypePtr srcEEType = srcObject.EETypePtr;
if (RuntimeImports.AreTypesAssignable(srcEEType, dstEEType))
{
return(srcObject);
}
if (dstEEType.IsInterface)
{
if (srcObject is Runtime.InteropServices.IDynamicInterfaceCastable castable &&
castable.IsInterfaceImplemented(new RuntimeTypeHandle(dstEEType), throwIfNotImplemented: false))
{
return(srcObject);
}
}
object dstObject;
Exception exception = ConvertOrWidenPrimitivesEnumsAndPointersIfPossible(srcObject, srcEEType, dstEEType, semantics, out dstObject);
if (exception == null)
{
return(dstObject);
}
if (binderBundle == null)
{
throw exception;
}
// Our normal coercion rules could not convert the passed in argument but we were supplied a custom binder. See if it can do it.
Type exactDstType;
if (Unsafe.IsNullRef(ref argSetupState))
{
// We were called by someone other than DynamicInvokeParamHelperCore(). Those callers pass the correct dstEEType.
exactDstType = Type.GetTypeFromHandle(new RuntimeTypeHandle(dstEEType)) !;
}
else
{
// We were called by DynamicInvokeParamHelperCore(). He passes a dstEEType that enums folded to int and possibly other adjustments. A custom binder
// is app code however and needs the exact type.
exactDstType = GetExactTypeForCustomBinder(argSetupState);
}
srcObject = binderBundle.ChangeType(srcObject, exactDstType);
// For compat with desktop, the result of the binder call gets processed through the default rules again.
dstObject = CheckArgument(srcObject, dstEEType, semantics, binderBundle: null, ref Unsafe.NullRef <ArgSetupState>());
return(dstObject);
}
}
internal static object CallIHelperThisCall(object thisPtr, IntPtr methodToCall, object thisPtrForDynamicInvokeHelperMethod, IntPtr dynamicInvokeHelperMethod, ref ArgSetupState argSetupState)
{
// Calli the dynamicInvokeHelper method with a bunch of parameters As this can't actually be defined in C# there is an IL transform that fills this in.
return null;
}
internal static object CallIHelperStaticCallWithInstantiation(object thisPtr, IntPtr methodToCall, IntPtr dynamicInvokeHelperMethod, ref ArgSetupState argSetupState, bool isTargetThisCall, IntPtr dynamicInvokeHelperGenericDictionary)
{
// Calli the dynamicInvokeHelper method with a bunch of parameters As this can't actually be defined in C# there is an IL transform that fills this in.
return null;
}
internal static object Call(
IntPtr dynamicInvokeHelperMethod,
IntPtr dynamicInvokeHelperGenericDictionary,
object thisPtr,
IntPtr methodToCall,
ref ArgSetupState argSetupState,
bool isTargetThisCall)
{
// This method is implemented elsewhere in the toolchain
throw new PlatformNotSupportedException();
}
internal static void DynamicInvokeArgSetupComplete(ref ArgSetupState argSetupState)
{
int parametersLength = s_parameters != null ? s_parameters.Length : 0;
if (s_curIndex != parametersLength)
{
throw new System.Reflection.TargetParameterCountException();
}
argSetupState.fComplete = true;
argSetupState.nullableCopyBackObjects = s_nullableCopyBackObjects;
s_nullableCopyBackObjects = null;
}
internal static object Call(
IntPtr dynamicInvokeHelperMethod,
object thisPtrForDynamicInvokeHelperMethod,
object thisPtr,
IntPtr methodToCall,
ref ArgSetupState argSetupState)
{
// This method is implemented elsewhere in the toolchain
throw new PlatformNotSupportedException();
}
internal static object CallDynamicInvokeMethod(
object thisPtr,
IntPtr methodToCall,
object thisPtrDynamicInvokeMethod,
IntPtr dynamicInvokeHelperMethod,
IntPtr dynamicInvokeHelperGenericDictionary,
object defaultParametersContext,
object[] parameters,
bool invokeMethodHelperIsThisCall = true,
bool methodToCallIsThisCall = true)
{
bool fDontWrapInTargetInvocationException = false;
bool parametersNeedCopyBack = false;
ArgSetupState argSetupState = default(ArgSetupState);
// Capture state of thread static invoke helper statics
object[] parametersOld = s_parameters;
object[] nullableCopyBackObjectsOld = s_nullableCopyBackObjects;
int curIndexOld = s_curIndex;
object defaultParametersContextOld = s_defaultParametersContext;
try
{
// If the passed in array is not an actual object[] instance, we need to copy it over to an actual object[]
// instance so that the rest of the code can safely create managed object references to individual elements.
if (parameters != null && EETypePtr.EETypePtrOf <object[]>() != parameters.EETypePtr)
{
s_parameters = new object[parameters.Length];
Array.Copy(parameters, s_parameters, parameters.Length);
parametersNeedCopyBack = true;
}
else
{
s_parameters = parameters;
}
s_nullableCopyBackObjects = null;
s_curIndex = 0;
s_defaultParametersContext = defaultParametersContext;
try
{
object result = null;
if (invokeMethodHelperIsThisCall)
{
Debug.Assert(methodToCallIsThisCall == true);
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, thisPtrDynamicInvokeMethod, thisPtr, methodToCall, ref argSetupState);
System.Diagnostics.DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
else
{
if (dynamicInvokeHelperGenericDictionary != IntPtr.Zero)
{
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, dynamicInvokeHelperGenericDictionary, thisPtr, methodToCall, ref argSetupState, methodToCallIsThisCall);
DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
else
{
result = CalliIntrinsics.Call(dynamicInvokeHelperMethod, thisPtr, methodToCall, ref argSetupState, methodToCallIsThisCall);
DebugAnnotations.PreviousCallContainsDebuggerStepInCode();
}
}
return(result);
}
finally
{
if (parametersNeedCopyBack)
{
Array.Copy(s_parameters, parameters, parameters.Length);
}
if (!argSetupState.fComplete)
{
fDontWrapInTargetInvocationException = true;
}
else
{
// Nullable objects can't take advantage of the ability to update the boxed value on the heap directly, so perform
// an update of the parameters array now.
if (argSetupState.nullableCopyBackObjects != null)
{
for (int i = 0; i < argSetupState.nullableCopyBackObjects.Length; i++)
{
if (argSetupState.nullableCopyBackObjects[i] != null)
{
parameters[i] = DynamicInvokeBoxIntoNonNullable(argSetupState.nullableCopyBackObjects[i]);
}
}
}
}
}
}
catch (Exception e)
{
if (fDontWrapInTargetInvocationException)
{
throw;
}
else
{
throw new System.Reflection.TargetInvocationException(e);
}
}
finally
{
// Restore state of thread static helper statics
s_parameters = parametersOld;
s_nullableCopyBackObjects = nullableCopyBackObjectsOld;
s_curIndex = curIndexOld;
s_defaultParametersContext = defaultParametersContextOld;
}
}
internal static object CallIHelperStaticCallWithInstantiation(object thisPtr, IntPtr methodToCall, IntPtr dynamicInvokeHelperMethod, ref ArgSetupState argSetupState, bool isTargetThisCall, IntPtr dynamicInvokeHelperGenericDictionary)
{
// Calli the dynamicInvokeHelper method with a bunch of parameters As this can't actually be defined in C# there is an IL transform that fills this in.
return(null);
}
internal static object CallIHelperThisCall(object thisPtr, IntPtr methodToCall, object thisPtrForDynamicInvokeHelperMethod, IntPtr dynamicInvokeHelperMethod, ref ArgSetupState argSetupState)
{
// Calli the dynamicInvokeHelper method with a bunch of parameters As this can't actually be defined in C# there is an IL transform that fills this in.
return(null);
}
internal static object CallDynamicInvokeMethod(object thisPtr, IntPtr methodToCall, object thisPtrDynamicInvokeMethod, IntPtr dynamicInvokeHelperMethod, IntPtr dynamicInvokeHelperGenericDictionary, string defaultValueString, object[] parameters, bool invokeMethodHelperIsThisCall = true, bool methodToCallIsThisCall = true)
{
bool fDontWrapInTargetInvocationException = false;
bool parametersNeedCopyBack = false;
ArgSetupState argSetupState = default(ArgSetupState);
// Capture state of thread static invoke helper statics
object[] parametersOld = s_parameters;
object[] nullableCopyBackObjectsOld = s_nullableCopyBackObjects;
int curIndexOld = s_curIndex;
string defaultValueStringOld = s_defaultValueString;
try
{
// If the passed in array is not an actual object[] instance, we need to copy it over to an actual object[]
// instance so that the rest of the code can safely create managed object references to individual elements.
if (parameters != null && !typeof(object[]).TypeHandle.Equals(new RuntimeTypeHandle(parameters.EETypePtr)))
{
s_parameters = new object[parameters.Length];
Array.Copy(parameters, s_parameters, parameters.Length);
parametersNeedCopyBack = true;
}
else
{
s_parameters = parameters;
}
s_nullableCopyBackObjects = null;
s_curIndex = 0;
s_defaultValueString = defaultValueString;
try
{
if (invokeMethodHelperIsThisCall)
{
Debug.Assert(methodToCallIsThisCall == true);
return(CallIHelperThisCall(thisPtr, methodToCall, thisPtrDynamicInvokeMethod, dynamicInvokeHelperMethod, ref argSetupState));
}
else
{
if (dynamicInvokeHelperGenericDictionary != IntPtr.Zero)
{
return(CallIHelperStaticCallWithInstantiation(thisPtr, methodToCall, dynamicInvokeHelperMethod, ref argSetupState, methodToCallIsThisCall, dynamicInvokeHelperGenericDictionary));
}
else
{
return(CallIHelperStaticCall(thisPtr, methodToCall, dynamicInvokeHelperMethod, ref argSetupState, methodToCallIsThisCall));
}
}
}
finally
{
if (parametersNeedCopyBack)
{
Array.Copy(s_parameters, parameters, parameters.Length);
}
if (!argSetupState.fComplete)
{
fDontWrapInTargetInvocationException = true;
}
else
{
// Nullable objects can't take advantage of the ability to update the boxed value on the heap directly, so perform
// an update of the parameters array now.
if (argSetupState.nullableCopyBackObjects != null)
{
for (int i = 0; i < argSetupState.nullableCopyBackObjects.Length; i++)
{
if (argSetupState.nullableCopyBackObjects[i] != null)
{
parameters[i] = DynamicInvokeBoxIntoNonNullable(argSetupState.nullableCopyBackObjects[i]);
}
}
}
}
}
}
catch (Exception e)
{
if (fDontWrapInTargetInvocationException)
{
throw;
}
else
{
throw new System.Reflection.TargetInvocationException(e);
}
}
finally
{
// Restore state of thread static helper statics
s_parameters = parametersOld;
s_nullableCopyBackObjects = nullableCopyBackObjectsOld;
s_curIndex = curIndexOld;
s_defaultValueString = defaultValueStringOld;
}
}
