public static Type FindDelegateType(TypeDefinition returnType, TypeDefinition[] parameterTypes)
{
var typeName =
"System." +
(returnType.TryGetRuntimeType() == typeof(void) ? "Action" : "Func");
if (returnType.TryGetRuntimeType() == typeof(void) && parameterTypes.Length > 0)
{
typeName += "`" + parameterTypes.Length.ToString("D", CultureInfo.InvariantCulture);
}
else
{
typeName += "`" + (parameterTypes.Length + 1).ToString("D", CultureInfo.InvariantCulture);
}
var type = Type.GetType(typeName, false);
if (type == null)
{
// Try get from System.Core.dll
type = typeof(Enumerable).GetAssembly().GetType(typeName);
}
return(type);
}
internal static TypeDefinition GetDelegateTypeDefinition( TypeDefinition returnType, TypeDefinition[] parameterTypes )
{
var typeDefinition = FindDelegateType( returnType, parameterTypes );
return
returnType.TryGetRuntimeType() == typeof( void )
? parameterTypes.Length == 0
? typeDefinition
: TypeDefinition.GenericReferenceType( typeDefinition, parameterTypes )
: TypeDefinition.GenericReferenceType( typeDefinition, parameterTypes.Concat( new[] { returnType } ).ToArray() );
}
internal static Type GetResolvedDelegateType( TypeDefinition returnType, TypeDefinition[] parameterTypes )
{
var typeDefinition = FindDelegateType( returnType, parameterTypes );
return
returnType.TryGetRuntimeType() == typeof( void )
? parameterTypes.Length == 0
? typeDefinition
: typeDefinition.MakeGenericType( parameterTypes.Select( t => t.ResolveRuntimeType() ).ToArray() )
: typeDefinition.MakeGenericType( parameterTypes.Select( t => t.ResolveRuntimeType() ).Concat( new[] { returnType.ResolveRuntimeType() } ).ToArray() );
}
internal static TypeDefinition GetDelegateTypeDefinition(TypeDefinition returnType, TypeDefinition[] parameterTypes)
{
var typeDefinition = FindDelegateType(returnType, parameterTypes);
return
(returnType.TryGetRuntimeType() == typeof(void)
? parameterTypes.Length == 0
? typeDefinition
: TypeDefinition.GenericReferenceType(typeDefinition, parameterTypes)
: TypeDefinition.GenericReferenceType(typeDefinition, parameterTypes.Concat(new[] { returnType }).ToArray()));
}
internal static Type GetResolvedDelegateType(TypeDefinition returnType, TypeDefinition[] parameterTypes)
{
var typeDefinition = FindDelegateType(returnType, parameterTypes);
return
(returnType.TryGetRuntimeType() == typeof(void)
? parameterTypes.Length == 0
? typeDefinition
: typeDefinition.MakeGenericType(parameterTypes.Select(t => t.ResolveRuntimeType()).ToArray())
: typeDefinition.MakeGenericType(parameterTypes.Select(t => t.ResolveRuntimeType()).Concat(new[] { returnType.ResolveRuntimeType() }).ToArray()));
}
public static Type FindDelegateType( TypeDefinition returnType, TypeDefinition[] parameterTypes )
{
var typeName =
"System." +
( returnType.TryGetRuntimeType() == typeof( void ) ? "Action" : "Func" );
if ( returnType.TryGetRuntimeType() == typeof( void ) && parameterTypes.Length > 0 )
{
typeName += "`" + parameterTypes.Length.ToString( "D", CultureInfo.InvariantCulture );
}
else
{
typeName += "`" + ( parameterTypes.Length + 1 ).ToString( "D", CultureInfo.InvariantCulture );
}
var type = Type.GetType( typeName, false );
if ( type == null )
{
// Try get from System.Core.dll
type = typeof( Enumerable ).GetAssembly().GetType( typeName );
}
return type;
}
