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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Diagnostics.Contracts;
using StackCrawlMark = System.Threading.StackCrawlMark;
namespace System
{
public abstract partial class Type : MemberInfo, IReflect
{
public bool IsInterface
{
get
{
RuntimeType rt = this as RuntimeType;
if (rt != null)
return RuntimeTypeHandle.IsInterface(rt);
return ((GetAttributeFlagsImpl() & TypeAttributes.ClassSemanticsMask) == TypeAttributes.Interface);
}
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(String typeName, bool throwOnError, bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, ignoreCase, false, ref stackMark);
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(String typeName, bool throwOnError)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, false, false, ref stackMark);
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(String typeName)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, false, false, false, ref stackMark);
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(
string typeName,
Func<AssemblyName, Assembly> assemblyResolver,
Func<Assembly, string, bool, Type> typeResolver)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, false, false, ref stackMark);
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(
string typeName,
Func<AssemblyName, Assembly> assemblyResolver,
Func<Assembly, string, bool, Type> typeResolver,
bool throwOnError)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, false, ref stackMark);
}
[System.Security.DynamicSecurityMethod] // Methods containing StackCrawlMark local var has to be marked DynamicSecurityMethod
public static Type GetType(
string typeName,
Func<AssemblyName, Assembly> assemblyResolver,
Func<Assembly, string, bool, Type> typeResolver,
bool throwOnError,
bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, ignoreCase, ref stackMark);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the progID. This is provided for
// COM classic support. Program ID's are not used in COM+ because they
// have been superceded by namespace. (This routine is called this instead
// of getClass() because of the name conflict with the first method above.)
//
// param progID: the progID of the class to retrieve
// returns: the class object associated to the progID
////
public static Type GetTypeFromProgID(String progID, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, server, throwOnError);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the CLSID. This is provided for
// COM classic support.
//
// param CLSID: the CLSID of the class to retrieve
// returns: the class object associated to the CLSID
////
public static Type GetTypeFromCLSID(Guid clsid, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, server, throwOnError);
}
internal virtual RuntimeTypeHandle GetTypeHandleInternal()
{
return TypeHandle;
}
// Given a class handle, this will return the class for that handle.
[MethodImpl(MethodImplOptions.InternalCall)]
internal static extern RuntimeType GetTypeFromHandleUnsafe(IntPtr handle);
[Pure]
[MethodImpl(MethodImplOptions.InternalCall)]
public static extern Type GetTypeFromHandle(RuntimeTypeHandle handle);
#if FEATURE_COMINTEROP
internal bool IsWindowsRuntimeObject
{
[Pure]
get { return IsWindowsRuntimeObjectImpl(); }
}
internal bool IsExportedToWindowsRuntime
{
[Pure]
get { return IsExportedToWindowsRuntimeImpl(); }
}
// Protected routine to determine if this class represents a Windows Runtime object
virtual internal bool IsWindowsRuntimeObjectImpl()
{
throw new NotImplementedException();
}
// Determines if this type is exported to WinRT (i.e. is an activatable class in a managed .winmd)
virtual internal bool IsExportedToWindowsRuntimeImpl()
{
throw new NotImplementedException();
}
#endif // FEATURE_COMINTEROP
internal bool NeedsReflectionSecurityCheck
{
get
{
if (!IsVisible)
{
// Types which are not externally visible require security checks
return true;
}
else if (IsSecurityCritical && !IsSecuritySafeCritical)
{
// Critical types require security checks
return true;
}
else if (IsGenericType)
{
// If any of the generic arguments to this type require a security check, then this type
// also requires one.
foreach (Type genericArgument in GetGenericArguments())
{
if (genericArgument.NeedsReflectionSecurityCheck)
{
return true;
}
}
}
else if (IsArray || IsPointer)
{
return GetElementType().NeedsReflectionSecurityCheck;
}
return false;
}
}
// This is only ever called on RuntimeType objects.
internal string FormatTypeName()
{
return FormatTypeName(false);
}
internal virtual string FormatTypeName(bool serialization)
{
throw new NotImplementedException();
}
[Pure]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator ==(Type left, Type right);
[Pure]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator !=(Type left, Type right);
// Exists to faciliate code sharing between CoreCLR and CoreRT.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal bool IsRuntimeImplemented() => this is RuntimeType;
}
}
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