.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.
#if DEBUG
using System;
using ICSharpCode.Decompiler.DebugSteps;
namespace ICSharpCode.ILSpy.Languages
{
/// <summary>
/// A language that surfaces a <see cref="Stepper"/> of decompiler-pipeline steps for the
/// Debug Steps pane to visualise. Implemented by <see cref="ILAstLanguage"/> (one node per IL
/// transform step) and <see cref="CSharpLanguage"/> (one node per C# AST transform). The pane
/// binds to whichever current language is an <see cref="IDebugStepProvider"/>, so it no longer has to
/// know the concrete language type.
/// </summary>
internal interface IDebugStepProvider
{
/// <summary>The step tree produced by the most recent full decompile.</summary>
Stepper Stepper { get; }
/// <summary>Raised after a full (non step-limited) decompile refreshes <see cref="Stepper"/>.</summary>
event EventHandler? StepperUpdated;
/// <summary>
/// Language-specific options object the Debug Steps pane renders above the step tree
/// (e.g. ILAst's writing-options checkboxes), or <see langword="null"/> when the language
/// has no step options. The pane picks a template by the object's runtime type, so each
/// language contributes its own controls.
/// </summary>
object? StepOptions { get; }
}
}
#endif