Dnspy/Extensions/dnSpy.Debugger/dnSpy.Debugger.DotNet/Code/TextEditor/DbgTextViewCodeLocationProviderImpl.cs
2021-09-20 18:20:01 +02:00

69 lines
2.9 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.ComponentModel.Composition;
using dnSpy.Contracts.Debugger.Code;
using dnSpy.Contracts.Debugger.Code.TextEditor;
using dnSpy.Contracts.Debugger.DotNet.Code;
using dnSpy.Contracts.Decompiler;
using dnSpy.Contracts.Documents.Tabs;
using dnSpy.Contracts.Documents.Tabs.DocViewer;
using dnSpy.Contracts.Metadata;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
namespace dnSpy.Debugger.DotNet.Code.TextEditor {
[Export(typeof(DbgTextViewCodeLocationProvider))]
sealed class DbgTextViewCodeLocationProviderImpl : DbgTextViewCodeLocationProvider {
readonly Lazy<DbgDotNetCodeLocationFactory> dbgDotNetCodeLocationFactory;
readonly IModuleIdProvider moduleIdProvider;
[ImportingConstructor]
DbgTextViewCodeLocationProviderImpl(Lazy<DbgDotNetCodeLocationFactory> dbgDotNetCodeLocationFactory, IModuleIdProvider moduleIdProvider) {
this.dbgDotNetCodeLocationFactory = dbgDotNetCodeLocationFactory;
this.moduleIdProvider = moduleIdProvider;
}
public override DbgTextViewBreakpointLocationResult? CreateLocation(IDocumentTab tab, ITextView textView, VirtualSnapshotPoint position) {
var documentViewer = tab.TryGetDocumentViewer();
if (documentViewer is null)
return null;
var methodDebugService = documentViewer.GetMethodDebugService();
if (methodDebugService is null)
return null;
var methodStatements = methodDebugService.FindByTextPosition(position.Position, FindByTextPositionOptions.None);
if (methodStatements.Count == 0)
return null;
var textSpan = methodStatements[0].Statement.TextSpan;
var snapshot = textView.TextSnapshot;
if (textSpan.End > snapshot.Length)
return null;
var span = new VirtualSnapshotSpan(new SnapshotSpan(snapshot, new Span(textSpan.Start, textSpan.Length)));
var locations = new DbgCodeLocation[methodStatements.Count];
for (int i = 0; i < methodStatements.Count; i++) {
var statement = methodStatements[i];
var moduleId = moduleIdProvider.Create(statement.Method.Module);
locations[i] = dbgDotNetCodeLocationFactory.Value.Create(moduleId, statement.Method.MDToken.Raw, statement.Statement.ILSpan.Start);
}
return new DbgTextViewBreakpointLocationResult(locations, span);
}
}
}