// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

#nullable enable

using System.Collections.Immutable;
using System.Reflection.Metadata;

namespace ICSharpCode.Decompiler.TypeSystem
{
	/// <summary>
	/// Represents an attribute.
	/// </summary>
	[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1711:IdentifiersShouldNotHaveIncorrectSuffix")]
	public interface IAttribute
	{
		/// <summary>
		/// Gets the type of the attribute.
		/// </summary>
		IType AttributeType { get; }

		/// <summary>
		/// Gets the constructor being used.
		/// This property may return null if no matching constructor was found.
		/// </summary>
		IMethod? Constructor { get; }

		/// <summary>
		/// Gets whether there were errors decoding the attribute.
		/// </summary>
		bool HasDecodeErrors { get; }

		/// <summary>
		/// Gets the positional arguments.
		/// </summary>
		ImmutableArray<CustomAttributeTypedArgument<IType>> FixedArguments { get; }

		/// <summary>
		/// Gets the named arguments passed to the attribute.
		/// </summary>
		ImmutableArray<CustomAttributeNamedArgument<IType>> NamedArguments { get; }
	}
}