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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.
using Internal.IL;
using Debug = System.Diagnostics.Debug;
namespace Internal.TypeSystem.Interop
{
public static class InteropTypes
{
public static MetadataType GetGC(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System", "GC");
}
public static MetadataType GetSafeHandle(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "SafeHandle");
}
public static MetadataType GetCriticalHandle(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "CriticalHandle");
}
public static MetadataType GetHandleRef(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "HandleRef");
}
public static MetadataType GetPInvokeMarshal(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "PInvokeMarshal");
}
public static MetadataType GetMarshal(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "Marshal");
}
public static MetadataType GetMemoryMarshal(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "MemoryMarshal");
}
public static MetadataType GetNativeFunctionPointerWrapper(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "NativeFunctionPointerWrapper");
}
public static MetadataType GetMarshalDirectiveException(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "MarshalDirectiveException");
}
public static MetadataType GetVariant(TypeSystemContext context)
{
return context.SystemModule.GetKnownType("System.Runtime.InteropServices", "Variant");
}
public static bool IsSafeHandle(TypeSystemContext context, TypeDesc type)
{
return IsOrDerivesFromType(type, GetSafeHandle(context));
}
public static bool IsCriticalHandle(TypeSystemContext context, TypeDesc type)
{
return IsOrDerivesFromType(type, GetCriticalHandle(context));
}
private static bool IsCoreNamedType(TypeSystemContext context, TypeDesc type, string @namespace, string name)
{
return type is MetadataType mdType &&
mdType.Name == name &&
mdType.Namespace == @namespace &&
mdType.Module == context.SystemModule;
}
public static bool IsHandleRef(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Runtime.InteropServices", "HandleRef");
}
public static bool IsSystemDateTime(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "DateTime");
}
public static bool IsStringBuilder(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Text", "StringBuilder");
}
public static bool IsSystemDecimal(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "Decimal");
}
public static bool IsSystemDelegate(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "Delegate");
}
public static bool IsSystemMulticastDelegate(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "MulticastDelegate");
}
public static bool IsSystemGuid(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "Guid");
}
public static bool IsSystemArgIterator(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "ArgIterator");
}
public static bool IsSystemSpan(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "Span`1");
}
public static bool IsSystemReadOnlySpan(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "ReadOnlySpan`1");
}
public static bool IsSystemNullable(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System", "Nullable`1");
}
public static bool IsSystemRuntimeIntrinsicsVector64T(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Runtime.Intrinsics", "Vector64`1");
}
public static bool IsSystemRuntimeIntrinsicsVector128T(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Runtime.Intrinsics", "Vector128`1");
}
public static bool IsSystemRuntimeIntrinsicsVector256T(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Runtime.Intrinsics", "Vector256`1");
}
public static bool IsSystemNumericsVectorT(TypeSystemContext context, TypeDesc type)
{
return IsCoreNamedType(context, type, "System.Numerics", "Vector`1");
}
private static bool IsOrDerivesFromType(TypeDesc type, MetadataType targetType)
{
while (type != null)
{
if (type == targetType)
return true;
type = type.BaseType;
}
return false;
}
}
}
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