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//
// CSharpBreakpointSpanResolver.cs
//
// Author:
// Jeffrey Stedfast <jestedfa@microsoft.com>
//
// Copyright (c) 2019 Microsoft Corp.
//
// 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;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Text;
using Microsoft.VisualStudio.Text;
using Microsoft.CodeAnalysis.CSharp.EditAndContinue;
using MonoDevelop.Debugger;
using MonoDevelop.Ide.Gui.Documents;
namespace MonoDevelop.CSharp.Debugger
{
[ExportDocumentControllerExtension (MimeType = "text/x-csharp")]
class CSharpBreakpointSpanResolver : DocumentControllerExtension, IBreakpointSpanResolver
{
public override Task<bool> SupportsController (DocumentController controller)
{
return Task.FromResult (controller.GetContent<ITextBuffer> () != null);
}
public async Task<Span> GetBreakpointSpanAsync (ITextBuffer buffer, int position, CancellationToken cancellationToken)
{
var document = buffer.AsTextContainer ().GetOpenDocumentInCurrentContext ();
var tree = await document.GetSyntaxTreeAsync (cancellationToken);
BreakpointSpans.TryGetBreakpointSpan (tree, position, cancellationToken, out var span);
return new Span (span.Start, span.Length);
}
}
}
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