source: trunk/HeuristicLab.ExtLibs/HeuristicLab.NRefactory/5.5.0/NRefactory-5.5.0/TypeSystem/SimpleTypeResolveContext.cs @ 15682

// 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
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// DEALINGS IN THE SOFTWARE.

using System;

namespace ICSharpCode.NRefactory.TypeSystem
{
  /// <summary>
  /// Default ITypeResolveContext implementation.
  /// </summary>
  public class SimpleTypeResolveContext : ITypeResolveContext
  {
    readonly ICompilation compilation;
    readonly IAssembly currentAssembly;
    readonly ITypeDefinition currentTypeDefinition;
    readonly IMember currentMember;
    
    public SimpleTypeResolveContext(ICompilation compilation)
    {
      if (compilation == null)
        throw new ArgumentNullException("compilation");
      this.compilation = compilation;
    }
    
    public SimpleTypeResolveContext(IAssembly assembly)
    {
      if (assembly == null)
        throw new ArgumentNullException("assembly");
      this.compilation = assembly.Compilation;
      this.currentAssembly = assembly;
    }
    
    public SimpleTypeResolveContext(IEntity entity)
    {
      if (entity == null)
        throw new ArgumentNullException("entity");
      this.compilation = entity.Compilation;
      this.currentAssembly = entity.ParentAssembly;
      this.currentTypeDefinition = (entity as ITypeDefinition) ?? entity.DeclaringTypeDefinition;
      this.currentMember = entity as IMember;
    }
    
    private SimpleTypeResolveContext(ICompilation compilation, IAssembly currentAssembly, ITypeDefinition currentTypeDefinition, IMember currentMember)
    {
      this.compilation = compilation;
      this.currentAssembly = currentAssembly;
      this.currentTypeDefinition = currentTypeDefinition;
      this.currentMember = currentMember;
    }
    
    public ICompilation Compilation {
      get { return compilation; }
    }
    
    public IAssembly CurrentAssembly {
      get { return currentAssembly; }
    }
    
    public ITypeDefinition CurrentTypeDefinition {
      get { return currentTypeDefinition; }
    }
    
    public IMember CurrentMember {
      get { return currentMember; }
    }
    
    public ITypeResolveContext WithCurrentTypeDefinition(ITypeDefinition typeDefinition)
    {
      return new SimpleTypeResolveContext(compilation, currentAssembly, typeDefinition, currentMember);
    }
    
    public ITypeResolveContext WithCurrentMember(IMember member)
    {
      return new SimpleTypeResolveContext(compilation, currentAssembly, currentTypeDefinition, member);
    }
  }
}