File: Linker.Steps\BaseStep.cs
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Project: src\src\tools\illink\src\linker\Mono.Linker.csproj (illink)
// 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)
        {
        }
    }
}