2021-09-20 18:20:01 +02:00

98 lines
4.1 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.ComponentModel.Composition;
using System.Diagnostics;
using System.Globalization;
using dnSpy.Contracts.Debugger.Breakpoints.Code;
using dnSpy.Contracts.Debugger.Breakpoints.Code.TextEditor;
using dnSpy.Contracts.Debugger.DotNet.Code;
using dnSpy.Contracts.Debugger.Text;
using dnSpy.Contracts.Debugger.Text.DnSpy;
using dnSpy.Contracts.Decompiler;
using dnSpy.Contracts.Documents.Tabs;
using dnSpy.Contracts.Documents.Tabs.DocViewer;
using dnSpy.Contracts.Metadata;
using dnSpy.Debugger.DotNet.Properties;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
namespace dnSpy.Debugger.DotNet.Breakpoints.Code.TextEditor {
[ExportDbgBreakpointGlyphFormatter]
sealed class DbgBreakpointGlyphFormatterImpl : DbgBreakpointGlyphFormatter {
readonly IDecompilerService decompilerService;
[ImportingConstructor]
DbgBreakpointGlyphFormatterImpl(IDecompilerService decompilerService) => this.decompilerService = decompilerService;
public override bool WriteLocation(IDbgTextWriter output, DbgCodeBreakpoint breakpoint, ITextView textView, SnapshotSpan span) {
if (breakpoint.Location is DbgDotNetCodeLocation location)
return WriteLocation(output, textView, span, location);
return false;
}
bool WriteLocation(IDbgTextWriter output, ITextView textView, SnapshotSpan span, DbgDotNetCodeLocation location) {
var line = span.Start.GetContainingLine();
output.Write(DbgTextColor.Text, string.Format(dnSpy_Debugger_DotNet_Resources.GlyphToolTip_line_0_character_1,
(line.LineNumber + 1).ToString(CultureInfo.CurrentUICulture),
(span.Start - line.Start + 1).ToString(CultureInfo.CurrentUICulture)));
output.Write(DbgTextColor.Text, " ");
switch (location.ILOffsetMapping) {
case DbgILOffsetMapping.Exact:
case DbgILOffsetMapping.Approximate:
var prefix = location.ILOffsetMapping == DbgILOffsetMapping.Approximate ? "~0x" : "0x";
output.Write(DbgTextColor.Text, string.Format(dnSpy_Debugger_DotNet_Resources.GlyphToolTip_IL_offset_0, prefix + location.Offset.ToString("X4")));
break;
case DbgILOffsetMapping.Prolog:
output.Write(DbgTextColor.Text, string.Format(dnSpy_Debugger_DotNet_Resources.GlyphToolTip_IL_offset_0, "(prolog)"));
break;
case DbgILOffsetMapping.Epilog:
output.Write(DbgTextColor.Text, string.Format(dnSpy_Debugger_DotNet_Resources.GlyphToolTip_IL_offset_0, "(epilog)"));
break;
case DbgILOffsetMapping.Unknown:
case DbgILOffsetMapping.NoInfo:
case DbgILOffsetMapping.UnmappedAddress:
output.Write(DbgTextColor.Text, string.Format(dnSpy_Debugger_DotNet_Resources.GlyphToolTip_IL_offset_0, "(???)"));
break;
default:
Debug.Fail($"Unknown IL offset mapping: {location.ILOffsetMapping}");
goto case DbgILOffsetMapping.Unknown;
}
var documentViewer = textView.TextBuffer.TryGetDocumentViewer();
Debug2.Assert(documentViewer is not null);
var statement = documentViewer?.GetMethodDebugService().FindByCodeOffset(new ModuleTokenId(location.Module, location.Token), location.Offset);
Debug2.Assert((documentViewer is not null) == (statement is not null));
if (statement is not null) {
output.Write(DbgTextColor.Text, " ('");
var decompiler = (documentViewer?.DocumentTab?.Content as IDecompilerTabContent)?.Decompiler ?? decompilerService.Decompiler;
decompiler.Write(new DbgTextColorWriter(output), statement.Value.Method, FormatterOptions.Default);
output.Write(DbgTextColor.Text, "')");
}
return true;
}
}
}