.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
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// Copyright (c) 2026 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.
using ICSharpCode.Decompiler.Metadata;
using ICSharpCode.Decompiler.TypeSystem;
using ICSharpCode.ILSpyX;
namespace ICSharpCode.ILSpy
{
public static class ExtensionMethods
{
/// <summary>
/// Returns the cached type system for <paramref name="file"/> derived from the user's
/// current decompiler settings (see
/// <see cref="SettingsService.CreateEffectiveDecompilerSettings"/>). Everything that
/// resolves entities for display — tree nodes, search, metadata views — should go
/// through this so it agrees with what decompilation produces and shares the
/// per-module type-system cache instead of materialising another instance. Falls back
/// to default settings when composition is unavailable (design-time, minimal test
/// hosts).
/// </summary>
public static ICompilation? GetTypeSystemWithCurrentOptionsOrNull(this MetadataFile file)
{
var settings = AppEnv.AppComposition.TryGetExport<SettingsService>()?.CreateEffectiveDecompilerSettings()
?? new Decompiler.DecompilerSettings();
return file.GetTypeSystemWithDecompilerSettingsOrNull(settings);
}
}
}