internal static void SetReferences(
object[] arguments,
MethodInformation methodInformation,
object[] originalArguments)
{
using (PSObject.memberResolution.TraceScope("Checking for possible references."))
{
ParameterInformation[] parameters = methodInformation.parameters;
for (int index = 0; index < originalArguments.Length && index < parameters.Length && index < arguments.Length; ++index)
{
switch (originalArguments[index])
{
case PSReference baseObject:
label_4:
if (parameters[index].isByRef)
{
object obj = arguments[index];
PSObject.memberResolution.WriteLine("Argument '{0}' was a reference so it will be set to \"{1}\".", (object)(index + 1), obj);
baseObject.Value = obj;
break;
}
break;
case PSObject psObject:
if (!(psObject.BaseObject is PSReference baseObject))
{
break;
}
goto label_4;
}
}
}
}
private object AuxillaryInvokeMethod(
ManagementObject obj,
BaseWMIAdapter.WMIMethodCacheEntry mdata,
object[] arguments)
{
MethodInformation[] methods = new MethodInformation[1]
{
mdata.MethodInfoStructure
};
object[] newArguments;
Adapter.GetBestMethodAndArguments(mdata.Name, methods, arguments, out newArguments);
ParameterInformation[] parameters = mdata.MethodInfoStructure.parameters;
Adapter.tracer.WriteLine("Parameters found {0}. Arguments supplied {0}", (object)parameters.Length, (object)newArguments.Length);
ManagementBaseObject methodParameters = BaseWMIAdapter.CreateClassFrmObject((ManagementBaseObject)obj).GetMethodParameters(mdata.Name);
for (int index = 0; index < parameters.Length; ++index)
{
BaseWMIAdapter.WMIParameterInformation parameterInformation = (BaseWMIAdapter.WMIParameterInformation)parameters[index];
if (index < arguments.Length && arguments[index] == null)
{
newArguments[index] = (object)null;
}
methodParameters[parameterInformation.Name] = newArguments[index];
}
return(this.InvokeManagementMethod(obj, mdata.Name, methodParameters));
}
internal object GetValue(object target, object[] arguments)
{
System.Type type = target.GetType();
try
{
object[] objArray;
Collection <int> methods = new Collection <int> {
this.getterIndex
};
MethodInformation[] informationArray = ComUtil.GetMethodInformationArray(this.typeInfo, methods, false);
MethodInformation methodInformation = Adapter.GetBestMethodAndArguments(this.Name, informationArray, arguments, out objArray);
object obj2 = type.InvokeMember(this.name, BindingFlags.GetProperty | BindingFlags.IgnoreCase, null, target, objArray, ComUtil.GetModifiers(methodInformation.parameters), CultureInfo.CurrentCulture, null);
Adapter.SetReferences(objArray, methodInformation, arguments);
return(obj2);
}
catch (TargetInvocationException exception)
{
CommandProcessorBase.CheckForSevereException(exception.InnerException);
COMException innerException = exception.InnerException as COMException;
if ((innerException == null) || (innerException.ErrorCode != -2147352573))
{
throw;
}
}
catch (COMException exception3)
{
if (exception3.ErrorCode != -2147352570)
{
throw;
}
}
return(null);
}
internal WMIMethodCacheEntry(string n, string cPath, MethodData mData)
{
this.name = n;
this.classPath = cPath;
this.methodInfoStructure = BaseWMIAdapter.GetMethodInformation(mData);
this.methodDefinition = BaseWMIAdapter.GetMethodDefinition(mData);
}
protected override object MethodInvoke(PSMethod method, object[] arguments)
{
ParameterInformation[] arguments1 = new ParameterInformation[arguments.Length];
for (int index = 0; index < arguments.Length; ++index)
{
arguments1[index] = new ParameterInformation(typeof(object), false, (object)null, false);
}
MethodInformation[] methods = new MethodInformation[1]
{
new MethodInformation(false, false, arguments1)
};
object[] newArguments;
Adapter.GetBestMethodAndArguments(method.Name, methods, arguments, out newArguments);
DirectoryEntry baseObject = (DirectoryEntry)method.baseObject;
Exception exception;
try
{
return(baseObject.Invoke(method.Name, newArguments));
}
catch (DirectoryServicesCOMException ex)
{
exception = (Exception)ex;
}
catch (TargetInvocationException ex)
{
exception = (Exception)ex;
}
catch (COMException ex)
{
exception = (Exception)ex;
}
return((DirectoryEntryAdapter.dotNetAdapter.GetDotNetMethod <PSMethod>(method.baseObject, method.name) ?? throw exception).Invoke(arguments));
}
internal static void CacheMethod(
MethodInformation mi,
object target,
string methodName,
object[] arguments,
CallsiteCacheEntryFlags flags)
{
Type targetType = (flags & (CallsiteCacheEntryFlags.Static | CallsiteCacheEntryFlags.Constructor)) == CallsiteCacheEntryFlags.None ? target.GetType() : (Type)target;
if (targetType == typeof(PSObject) || targetType == typeof(PSCustomObject))
{
return;
}
CallsiteSignature signature = new CallsiteSignature(targetType, arguments, flags);
CallsiteCacheEntry key = new CallsiteCacheEntry(methodName, signature);
lock (Adapter.callsiteCache)
{
if (Adapter.callsiteCache.ContainsKey(key))
{
return;
}
if (Adapter.callsiteCache.Count > 2048)
{
Adapter.callsiteCache.Clear();
}
Adapter.callsiteCache[key] = mi;
}
}
/// <summary>
/// Called after a non null return from GetMember to try to call
/// the method with the arguments
/// </summary>
/// <param name="method">the non empty return from GetMethods</param>
/// <param name="arguments">the arguments to use</param>
/// <returns>the return value for the method</returns>
protected override object MethodInvoke(PSMethod method, object[] arguments)
{
ParameterInformation[] parameters = new ParameterInformation[arguments.Length];
for (int i = 0; i < arguments.Length; i++)
{
parameters[i] = new ParameterInformation(typeof(System.Object), false, null, false);
}
MethodInformation[] methodInformation = new MethodInformation[1];
methodInformation[0] = new MethodInformation(false, false, parameters);
object[] newArguments;
GetBestMethodAndArguments(method.Name, methodInformation, arguments, out newArguments);
DirectoryEntry entry = (DirectoryEntry)method.baseObject;
// First try to invoke method on the native adsi object. If the method
// call fails, try to invoke dotnet method with same name, if one available.
// This will ensure dotnet methods are exposed for DE objects.
// The problem is in GetMember<T>(), DE adapter cannot check if a requested
// method is available as it doesn't have access to native adsi object's
// method metadata. So GetMember<T> returns PSMethod assuming a method
// is available. This behavior will never give a chance to dotnet adapter
// to resolve method call. So the DE adapter owns calling dotnet method
// if one available.
Exception exception;
try
{
return(entry.Invoke(method.Name, newArguments));
}
catch (DirectoryServicesCOMException dse)
{
exception = dse;
}
catch (TargetInvocationException tie)
{
exception = tie;
}
catch (COMException ce)
{
exception = ce;
}
// this code is reached only on exception
// check if there is a dotnet method, invoke the dotnet method if available
PSMethod dotNetmethod = s_dotNetAdapter.GetDotNetMethod <PSMethod>(method.baseObject, method.name);
if (null != dotNetmethod)
{
return(dotNetmethod.Invoke(arguments));
}
// else
throw exception;
}
internal static MethodInformation Infer(MethodInformation genericMethod, Type[] argumentTypes)
{
MethodInfo method = (MethodInfo) genericMethod.method;
MethodInfo info2 = Infer(method, argumentTypes, genericMethod.hasVarArgs);
if (info2 != null)
{
return new MethodInformation(info2, 0);
}
return null;
}
internal static MethodInformation Infer(MethodInformation genericMethod, Type[] argumentTypes)
{
MethodInfo method = (MethodInfo)genericMethod.method;
MethodInfo info2 = Infer(method, argumentTypes, genericMethod.hasVarArgs);
if (info2 != null)
{
return(new MethodInformation(info2, 0));
}
return(null);
}
internal static MethodInformation GetBestMethodAndArguments(
string methodName,
MethodInformation[] methods,
object[] arguments,
out object[] newArguments)
{
bool expandParamsOnBest;
MethodInformation bestMethod = Adapter.FindBestMethod(methodName, methods, arguments, out expandParamsOnBest);
newArguments = Adapter.GetMethodArgumentsBase(methodName, bestMethod.parameters, arguments, expandParamsOnBest);
return(bestMethod);
}
private Object AuxillaryInvokeMethod(ManagementObject obj, WMIMethodCacheEntry mdata, object[] arguments)
{
// Evaluate method and arguments
object[] verifiedArguments;
MethodInformation[] methods = new MethodInformation[1];
methods[0] = mdata.MethodInfoStructure;
// This will convert Null Strings to Empty Strings
GetBestMethodAndArguments(mdata.Name, methods, arguments, out verifiedArguments);
ParameterInformation[] parameterList = mdata.MethodInfoStructure.parameters;
// GetBestMethodAndArguments should fill verifiedArguments with
// correct values (even if some values are not specified)
tracer.WriteLine("Parameters found {0}. Arguments supplied {0}",
parameterList.Length, verifiedArguments.Length);
Diagnostics.Assert(parameterList.Length == verifiedArguments.Length,
"The number of parameters and arguments should match");
// we should not cache inParameters as we are updating
// inParameters object with argument values..Caching will
// have side effects in this scenario like we have to clear
// the values once the method is invoked.
// Also caching MethodData occupies lot of memory compared to
// caching string.
ManagementClass mClass = CreateClassFrmObject(obj);
ManagementBaseObject inParameters = mClass.GetMethodParameters(mdata.Name);
for (int i = 0; i < parameterList.Length; i++)
{
// this cast should always succeed
WMIParameterInformation pInfo = (WMIParameterInformation)parameterList[i];
// Should not convert null input arguments
// GetBestMethodAndArguments converts null strings to empty strings
// and also null ints to 0. But WMI providers do not like these
// conversions. So dont convert input arguments if they are null.
// We could have done this in the base adapter but the change would be
// costly for other adpaters which dont mind the conversion.
if ((i < arguments.Length) && (arguments[i] == null))
{
verifiedArguments[i] = null;
}
inParameters[pInfo.Name] = verifiedArguments[i];
}
return(InvokeManagementMethod(obj, mdata.Name, inParameters));
}
private static Type FindInterfaceForMethod(MethodInfo method, out MethodInfo methodToCall)
{
methodToCall = (MethodInfo)null;
foreach (Type type in method.DeclaringType.GetInterfaces())
{
MethodInfo method1 = type.GetMethod(method.Name, BindingFlags.Instance);
if (method1 != null && MethodInformation.CompareMethodParameters(method1, method))
{
methodToCall = method1;
return(type);
}
}
return((Type)null);
}
internal static MethodInformation FindCachedMethod(
Type targetType,
string methodName,
object[] arguments,
CallsiteCacheEntryFlags flags)
{
if (targetType == typeof(PSObject) || targetType == typeof(PSCustomObject))
{
return((MethodInformation)null);
}
CallsiteSignature signature = new CallsiteSignature(targetType, arguments, flags);
CallsiteCacheEntry key = new CallsiteCacheEntry(methodName, signature);
MethodInformation methodInformation = (MethodInformation)null;
lock (Adapter.callsiteCache)
Adapter.callsiteCache.TryGetValue(key, out methodInformation);
return(methodInformation);
}
/// <summary>
/// Gets WMI method information.
/// </summary>
/// <param name="mData"></param>
/// <returns></returns>
/// <remarks>
/// Decodes only input parameters.
/// </remarks>
internal static MethodInformation GetMethodInformation(MethodData mData)
{
Diagnostics.Assert(mData != null, "MethodData should not be null");
// Get Method parameters
SortedList parameters = new SortedList();
UpdateParameters(mData.InParameters, parameters);
// parameters is never null
WMIParameterInformation[] pInfos = new WMIParameterInformation[parameters.Count];
if (parameters.Count > 0)
{
parameters.Values.CopyTo(pInfos, 0);
}
MethodInformation returnValue = new MethodInformation(false, true, pInfos);
return(returnValue);
}
private object AuxillaryInvokeMethod(ManagementObject obj, WMIMethodCacheEntry mdata, object[] arguments)
{
object[] objArray;
MethodInformation[] methods = new MethodInformation[] { mdata.MethodInfoStructure };
Adapter.GetBestMethodAndArguments(mdata.Name, methods, arguments, out objArray);
ParameterInformation[] parameters = mdata.MethodInfoStructure.parameters;
Adapter.tracer.WriteLine("Parameters found {0}. Arguments supplied {0}", new object[] { parameters.Length, objArray.Length });
ManagementBaseObject methodParameters = CreateClassFrmObject(obj).GetMethodParameters(mdata.Name);
for (int i = 0; i < parameters.Length; i++)
{
WMIParameterInformation information = (WMIParameterInformation)parameters[i];
if ((i < arguments.Length) && (arguments[i] == null))
{
objArray[i] = null;
}
methodParameters[information.Name] = objArray[i];
}
return(this.InvokeManagementMethod(obj, mdata.Name, methodParameters));
}
internal void SetValue(object target, object setValue, object[] arguments)
{
using (ComProperty.tracer.TraceMethod())
{
object[] newArguments;
MethodInformation methodAndArguments = Adapter.GetBestMethodAndArguments(this.Name, (MethodInformation[])ComUtil.GetMethodInformationArray(this.typeInfo, new Collection <int>()
{
this.hasSetterByRef ? this.setterByRefIndex : this.setterIndex
}, true), arguments, out newArguments);
Type type = target.GetType();
object[] objArray = new object[newArguments.Length + 1];
for (int index = 0; index < newArguments.Length; ++index)
{
objArray[index] = newArguments[index];
}
objArray[newArguments.Length] = Adapter.PropertySetAndMethodArgumentConvertTo(setValue, this.Type, (IFormatProvider)CultureInfo.InvariantCulture);
try
{
type.InvokeMember(this.name, BindingFlags.IgnoreCase | BindingFlags.SetProperty, (Binder)null, target, objArray, ComUtil.GetModifiers(methodAndArguments.parameters), CultureInfo.CurrentCulture, (string[])null);
Adapter.SetReferences(objArray, methodAndArguments, arguments);
}
catch (TargetInvocationException ex)
{
CommandProcessorBase.CheckForSevereException(ex.InnerException);
if (ex.InnerException is COMException innerException && innerException.ErrorCode == -2147352573)
{
return;
}
throw;
}
catch (COMException ex)
{
if (ex.ErrorCode == -2147352570)
{
return;
}
throw;
}
}
}
protected override object MethodInvoke(PSMethod method, object[] arguments)
{
object[] objArray;
Exception exception = null;
ParameterInformation[] informationArray = new ParameterInformation[arguments.Length];
for (int i = 0; i < arguments.Length; i++)
{
informationArray[i] = new ParameterInformation(typeof(object), false, null, false);
}
MethodInformation[] methods = new MethodInformation[] { new MethodInformation(false, false, informationArray) };
Adapter.GetBestMethodAndArguments(method.Name, methods, arguments, out objArray);
DirectoryEntry baseObject = (DirectoryEntry)method.baseObject;
try
{
return(baseObject.Invoke(method.Name, objArray));
}
#if !MONO
catch (DirectoryServicesCOMException exception2)
{
exception = exception2;
}
#endif
catch (TargetInvocationException exception3)
{
exception = exception3;
}
catch (COMException exception4)
{
exception = exception4;
}
PSMethod dotNetMethod = dotNetAdapter.GetDotNetMethod <PSMethod>(method.baseObject, method.name);
if (dotNetMethod == null)
{
throw exception;
}
return(dotNetMethod.Invoke(arguments));
}
internal void SetValue(object target, object setValue, object[] arguments)
{
object[] objArray;
Collection <int> methods = new Collection <int> {
(this.hasSetterByRef != null) ? this.setterByRefIndex : this.setterIndex
};
MethodInformation[] informationArray = ComUtil.GetMethodInformationArray(this.typeInfo, methods, true);
MethodInformation methodInformation = Adapter.GetBestMethodAndArguments(this.Name, informationArray, arguments, out objArray);
System.Type type = target.GetType();
object[] args = new object[objArray.Length + 1];
for (int i = 0; i < objArray.Length; i++)
{
args[i] = objArray[i];
}
args[objArray.Length] = Adapter.PropertySetAndMethodArgumentConvertTo(setValue, this.Type, CultureInfo.InvariantCulture);
try
{
type.InvokeMember(this.name, BindingFlags.SetProperty | BindingFlags.IgnoreCase, null, target, args, ComUtil.GetModifiers(methodInformation.parameters), CultureInfo.CurrentCulture, null);
Adapter.SetReferences(args, methodInformation, arguments);
}
catch (TargetInvocationException exception)
{
CommandProcessorBase.CheckForSevereException(exception.InnerException);
COMException innerException = exception.InnerException as COMException;
if ((innerException == null) || (innerException.ErrorCode != -2147352573))
{
throw;
}
}
catch (COMException exception3)
{
if (exception3.ErrorCode != -2147352570)
{
throw;
}
}
}
internal object GetValue(object target, object[] arguments)
{
using (ComProperty.tracer.TraceMethod())
{
Type type = target.GetType();
try
{
object[] newArguments;
MethodInformation methodAndArguments = Adapter.GetBestMethodAndArguments(this.Name, (MethodInformation[])ComUtil.GetMethodInformationArray(this.typeInfo, new Collection <int>()
{
this.getterIndex
}, false), arguments, out newArguments);
object obj = type.InvokeMember(this.name, BindingFlags.IgnoreCase | BindingFlags.GetProperty, (Binder)null, target, newArguments, ComUtil.GetModifiers(methodAndArguments.parameters), CultureInfo.CurrentCulture, (string[])null);
Adapter.SetReferences(newArguments, methodAndArguments, arguments);
return(obj);
}
catch (TargetInvocationException ex)
{
CommandProcessorBase.CheckForSevereException(ex.InnerException);
if (ex.InnerException is COMException innerException)
{
if (innerException.ErrorCode == -2147352573)
{
goto label_8;
}
}
throw;
}
catch (COMException ex)
{
if (ex.ErrorCode != -2147352570)
{
throw;
}
}
label_8:
return((object)null);
}
}
internal static object CallMethod(IScriptExtent errorPosition, object target, string methodName, PSMethodInvocationConstraints invocationConstraints, object[] paramArray, bool callStatic, object valueToSet)
{
PSMethodInfo staticCLRMember = null;
MethodInformation methodInformation = null;
object obj2 = null;
PSObject obj3 = null;
Type type;
object obj4;
if (LanguagePrimitives.IsNull(target))
{
throw InterpreterError.NewInterpreterException(methodName, typeof(RuntimeException), errorPosition, "InvokeMethodOnNull", ParserStrings.InvokeMethodOnNull, new object[0]);
}
obj2 = PSObject.Base(target);
obj3 = PSObject.AsPSObject(target);
CallsiteCacheEntryFlags none = CallsiteCacheEntryFlags.None;
if (callStatic)
{
none |= CallsiteCacheEntryFlags.Static;
type = (Type)obj2;
}
else
{
type = obj2.GetType();
}
if (valueToSet != AutomationNull.Value)
{
none |= CallsiteCacheEntryFlags.ParameterizedSetter;
}
if (!obj3.isDeserialized)
{
methodInformation = Adapter.FindCachedMethod(type, methodName, invocationConstraints, paramArray, none);
}
if (methodInformation == null)
{
if (callStatic)
{
staticCLRMember = PSObject.GetStaticCLRMember(target, methodName) as PSMethod;
}
else
{
staticCLRMember = obj3.Members[methodName] as PSMethodInfo;
}
if (staticCLRMember == null)
{
string fullName = null;
if (callStatic)
{
fullName = type.FullName;
}
else
{
fullName = GetTypeFullName(target);
}
if (valueToSet == AutomationNull.Value)
{
throw InterpreterError.NewInterpreterException(methodName, typeof(RuntimeException), errorPosition, "MethodNotFound", ParserStrings.MethodNotFound, new object[] { fullName, methodName });
}
throw InterpreterError.NewInterpreterException(methodName, typeof(RuntimeException), errorPosition, "ParameterizedPropertyAssignmentFailed", ParserStrings.ParameterizedPropertyAssignmentFailed, new object[] { fullName, methodName });
}
}
try
{
if (methodInformation != null)
{
object[] objArray;
PSObject.memberResolution.WriteLine("cache hit, Calling Method: {0}", new object[] { methodInformation.methodDefinition });
if (valueToSet != AutomationNull.Value)
{
DotNetAdapter.ParameterizedPropertyInvokeSet(methodName, obj2, valueToSet, new MethodInformation[] { methodInformation }, paramArray, false);
return(valueToSet);
}
MethodInformation[] methods = new MethodInformation[] { methodInformation };
Adapter.GetBestMethodAndArguments(methodName, methods, paramArray, out objArray);
return(DotNetAdapter.AuxiliaryMethodInvoke(obj2, objArray, methodInformation, paramArray));
}
if (valueToSet != AutomationNull.Value)
{
PSParameterizedProperty property = staticCLRMember as PSParameterizedProperty;
if (property == null)
{
throw InterpreterError.NewInterpreterException(methodName, typeof(RuntimeException), errorPosition, "ParameterizedPropertyAssignmentFailed", ParserStrings.ParameterizedPropertyAssignmentFailed, new object[] { GetTypeFullName(target), methodName });
}
property.InvokeSet(valueToSet, paramArray);
return(valueToSet);
}
PSMethod method = staticCLRMember as PSMethod;
if (method != null)
{
return(method.Invoke(invocationConstraints, paramArray));
}
obj4 = staticCLRMember.Invoke(paramArray);
}
catch (MethodInvocationException exception)
{
if (exception.ErrorRecord.InvocationInfo == null)
{
exception.ErrorRecord.SetInvocationInfo(new InvocationInfo(null, errorPosition));
}
throw;
}
catch (RuntimeException exception2)
{
if (exception2.ErrorRecord.InvocationInfo == null)
{
exception2.ErrorRecord.SetInvocationInfo(new InvocationInfo(null, errorPosition));
}
throw;
}
catch (FlowControlException)
{
throw;
}
catch (ScriptCallDepthException)
{
throw;
}
catch (Exception exception3)
{
CommandProcessorBase.CheckForSevereException(exception3);
throw InterpreterError.NewInterpreterExceptionByMessage(typeof(RuntimeException), errorPosition, exception3.Message, "MethodInvocationException", exception3);
}
return(obj4);
}
private MethodInformation.MethodInvoker GetMethodInvoker(MethodInfo method)
{
bool flag1 = false;
bool flag2 = false;
bool flag3 = false;
MethodInfo methodToCall = method;
DynamicMethod dynamicMethod = new DynamicMethod(method.Name, typeof(object), new Type[2]
{
typeof(object),
typeof(object[])
}, typeof(Adapter).Module, true);
ILGenerator ilGenerator = dynamicMethod.GetILGenerator();
ParameterInfo[] parameters = method.GetParameters();
int length = 0;
if (!method.IsStatic && method.DeclaringType.IsValueType && !method.IsVirtual)
{
flag1 = true;
++length;
}
foreach (ParameterInfo parameterInfo in parameters)
{
if (parameterInfo.IsOut || parameterInfo.ParameterType.IsByRef)
{
flag2 = true;
++length;
}
}
LocalBuilder[] localBuilderArray = (LocalBuilder[])null;
if (length > 0)
{
if (flag2 && method.ReturnType != typeof(void))
{
++length;
flag3 = true;
}
localBuilderArray = new LocalBuilder[length];
int index = 0;
if (flag1)
{
Type declaringType = method.DeclaringType;
localBuilderArray[index] = ilGenerator.DeclareLocal(declaringType);
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Unbox_Any, declaringType);
ilGenerator.Emit(OpCodes.Stloc, localBuilderArray[index]);
++index;
}
for (int c = 0; c < parameters.Length; ++c)
{
Type type = parameters[c].ParameterType;
if (parameters[c].IsOut || type.IsByRef)
{
if (type.IsByRef)
{
type = type.GetElementType();
}
localBuilderArray[index] = ilGenerator.DeclareLocal(type);
ilGenerator.Emit(OpCodes.Ldarg_1);
MethodInformation.EmitLdc(ilGenerator, c);
ilGenerator.Emit(OpCodes.Ldelem_Ref);
if (type.IsValueType)
{
ilGenerator.Emit(OpCodes.Unbox_Any, type);
}
else if (type != typeof(object))
{
ilGenerator.Emit(OpCodes.Castclass, type);
}
ilGenerator.Emit(OpCodes.Stloc, localBuilderArray[index]);
++index;
}
}
if (flag3)
{
localBuilderArray[index] = ilGenerator.DeclareLocal(method.ReturnType);
}
}
int index1 = 0;
if (!method.IsStatic)
{
if (method.DeclaringType.IsValueType)
{
if (method.IsVirtual)
{
Type interfaceForMethod = MethodInformation.FindInterfaceForMethod(method, out methodToCall);
if (interfaceForMethod == null)
{
this.useReflection = true;
return((MethodInformation.MethodInvoker)null);
}
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Castclass, interfaceForMethod);
}
else
{
ilGenerator.Emit(OpCodes.Ldloca, localBuilderArray[index1]);
++index1;
}
}
else
{
ilGenerator.Emit(OpCodes.Ldarg_0);
}
}
for (int c = 0; c < parameters.Length; ++c)
{
Type parameterType = parameters[c].ParameterType;
if (parameterType.IsByRef)
{
ilGenerator.Emit(OpCodes.Ldloca, localBuilderArray[index1]);
++index1;
}
else if (parameters[c].IsOut)
{
ilGenerator.Emit(OpCodes.Ldloc, localBuilderArray[index1]);
++index1;
}
else
{
ilGenerator.Emit(OpCodes.Ldarg_1);
MethodInformation.EmitLdc(ilGenerator, c);
ilGenerator.Emit(OpCodes.Ldelem_Ref);
if (parameterType.IsValueType)
{
ilGenerator.Emit(OpCodes.Unbox_Any, parameterType);
}
else if (parameterType != typeof(object))
{
ilGenerator.Emit(OpCodes.Castclass, parameterType);
}
}
}
if (method.IsStatic)
{
ilGenerator.EmitCall(OpCodes.Call, methodToCall, (Type[])null);
}
else
{
ilGenerator.EmitCall(OpCodes.Callvirt, methodToCall, (Type[])null);
}
if (flag3)
{
ilGenerator.Emit(OpCodes.Stloc, localBuilderArray[localBuilderArray.Length - 1]);
}
if (flag2)
{
int index2 = flag1 ? 1 : 0;
for (int c = 0; c < parameters.Length; ++c)
{
Type cls = parameters[c].ParameterType;
if (parameters[c].IsOut || cls.IsByRef)
{
if (cls.IsByRef)
{
cls = cls.GetElementType();
}
ilGenerator.Emit(OpCodes.Ldarg_1);
MethodInformation.EmitLdc(ilGenerator, c);
ilGenerator.Emit(OpCodes.Ldloc, localBuilderArray[index2]);
if (cls.IsValueType)
{
ilGenerator.Emit(OpCodes.Box, cls);
}
ilGenerator.Emit(OpCodes.Stelem_Ref);
++index2;
}
}
}
if (method.ReturnType == typeof(void))
{
ilGenerator.Emit(OpCodes.Ldnull);
}
else
{
if (flag3)
{
ilGenerator.Emit(OpCodes.Ldloc, localBuilderArray[localBuilderArray.Length - 1]);
}
if (method.ReturnType.IsValueType)
{
ilGenerator.Emit(OpCodes.Box, method.ReturnType);
}
}
ilGenerator.Emit(OpCodes.Ret);
return((MethodInformation.MethodInvoker)dynamicMethod.CreateDelegate(typeof(MethodInformation.MethodInvoker)));
}
internal static MethodInformation FindBestMethod(
string methodName,
MethodInformation[] methods,
object[] arguments,
out bool expandParamsOnBest)
{
if (methods.Length == 1 && !methods[0].hasVarArgs && methods[0].parameters.Length == arguments.Length)
{
expandParamsOnBest = false;
return(methods[0]);
}
List <Adapter.OverloadCandidate> candidates = new List <Adapter.OverloadCandidate>();
for (int index1 = 0; index1 < methods.Length; ++index1)
{
MethodInformation method = methods[index1];
if (!method.isGeneric)
{
ParameterInformation[] parameters = method.parameters;
if (arguments.Length != parameters.Length)
{
if (arguments.Length > parameters.Length)
{
if (!method.hasVarArgs)
{
continue;
}
}
else if (method.hasOptional || method.hasVarArgs && arguments.Length + 1 == parameters.Length)
{
if (method.hasOptional)
{
int num = 0;
for (int index2 = 0; index2 < parameters.Length; ++index2)
{
if (parameters[index2].isOptional)
{
++num;
}
}
if (arguments.Length + num < parameters.Length)
{
continue;
}
}
}
else
{
continue;
}
}
Adapter.OverloadCandidate overloadCandidate = new Adapter.OverloadCandidate(method, arguments.Length);
for (int index2 = 0; overloadCandidate != null && index2 < parameters.Length; ++index2)
{
ParameterInformation parameterInformation = parameters[index2];
if (!parameterInformation.isOptional || arguments.Length > index2)
{
if (parameterInformation.isParamArray)
{
Type elementType = parameterInformation.parameterType.GetElementType();
if (parameters.Length == arguments.Length)
{
ConversionRank argumentConversionRank1 = Adapter.GetArgumentConversionRank(arguments[index2], parameterInformation.parameterType);
ConversionRank argumentConversionRank2 = Adapter.GetArgumentConversionRank(arguments[index2], elementType);
if (argumentConversionRank2 > argumentConversionRank1)
{
overloadCandidate.expandedParameters = Adapter.ExpandParameters(arguments.Length, parameters, elementType);
overloadCandidate.conversionRanks[index2] = argumentConversionRank2;
}
else
{
overloadCandidate.conversionRanks[index2] = argumentConversionRank1;
}
if (overloadCandidate.conversionRanks[index2] == ConversionRank.None)
{
overloadCandidate = (Adapter.OverloadCandidate)null;
}
}
else
{
for (int index3 = index2; index3 < arguments.Length; ++index3)
{
overloadCandidate.conversionRanks[index3] = Adapter.GetArgumentConversionRank(arguments[index3], elementType);
if (overloadCandidate.conversionRanks[index3] == ConversionRank.None)
{
overloadCandidate = (Adapter.OverloadCandidate)null;
break;
}
}
if (overloadCandidate != null)
{
overloadCandidate.expandedParameters = Adapter.ExpandParameters(arguments.Length, parameters, elementType);
}
}
}
else
{
overloadCandidate.conversionRanks[index2] = Adapter.GetArgumentConversionRank(arguments[index2], parameterInformation.parameterType);
if (overloadCandidate.conversionRanks[index2] == ConversionRank.None)
{
overloadCandidate = (Adapter.OverloadCandidate)null;
}
}
}
else
{
break;
}
}
if (overloadCandidate != null)
{
candidates.Add(overloadCandidate);
}
}
}
if (candidates.Count == 0)
{
throw new MethodException("MethodCountCouldNotFindBest", (Exception)null, "ExtendedTypeSystem", "MethodArgumentCountException", new object[2]
{
(object)methodName,
(object)arguments.Length
});
}
Adapter.OverloadCandidate overloadCandidate1 = candidates.Count != 1 ? Adapter.FindBestCandidate(candidates, arguments) : candidates[0];
if (overloadCandidate1 != null)
{
expandParamsOnBest = overloadCandidate1.expandedParameters != null;
return(overloadCandidate1.method);
}
throw new MethodException("MethodCountCouldNotFindBest", (Exception)null, "ExtendedTypeSystem", "MethodAmbiguousException", new object[2]
{
(object)methodName,
(object)arguments.Length
});
}
internal OverloadCandidate(MethodInformation method, int argCount)
{
this.method = method;
this.parameters = method.parameters;
this.conversionRanks = new ConversionRank[argCount];
}