// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
//
// BaseStep.cs
//
// Author:
//   Jb Evain (jbevain@novell.com)
//
// (C) 2007 Novell, Inc.
//
// 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.
//
 
using System.Diagnostics;
using Mono.Cecil;
 
namespace Mono.Linker.Steps
{
 
	public abstract class BaseStep : IStep
	{
 
		private LinkContext? _context;
 
		public LinkContext Context {
			get {
				Debug.Assert (_context != null);
				return _context;
			}
		}
 
		public AnnotationStore Annotations {
			get { return Context.Annotations; }
		}
 
		public Tracer Tracer {
			get { return Context.Tracer; }
		}
 
		public MarkingHelpers MarkingHelpers => Context.MarkingHelpers;
 
		public void Process (LinkContext context)
		{
			_context = context;
 
			if (!ConditionToProcess ())
				return;
 
			Process ();
 
			foreach (AssemblyDefinition assembly in context.GetAssemblies ()) {
				ProcessAssembly (assembly);
			}
 
			EndProcess ();
		}
 
		protected virtual bool ConditionToProcess ()
		{
			return true;
		}
 
		protected virtual void Process ()
		{
		}
 
		protected virtual void EndProcess ()
		{
		}
 
		protected virtual void ProcessAssembly (AssemblyDefinition assembly)
		{
		}
	}
}