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using System;
using System.Linq;
using Microsoft.VisualStudio.Shared.VSCodeDebugProtocol.Messages;
using Mono.Debugging.Client;
using VsStackFrame = Microsoft.VisualStudio.Shared.VSCodeDebugProtocol.Messages.StackFrame;
using VsFormat = Microsoft.VisualStudio.Shared.VSCodeDebugProtocol.Messages.StackFrameFormat;
namespace MonoDevelop.Debugger.VsCodeDebugProtocol
{
class VsCodeStackFrame : Mono.Debugging.Client.StackFrame
{
public static VsFormat GetStackFrameFormat (EvaluationOptions evalOptions)
{
return new VsFormat {
Parameters = evalOptions.StackFrameFormat.ParameterTypes || evalOptions.StackFrameFormat.ParameterNames || evalOptions.StackFrameFormat.ParameterValues,
ParameterTypes = evalOptions.StackFrameFormat.ParameterTypes,
ParameterNames = evalOptions.StackFrameFormat.ParameterNames,
ParameterValues = evalOptions.StackFrameFormat.ParameterValues,
Line = evalOptions.StackFrameFormat.Line,
Module = evalOptions.StackFrameFormat.Module
};
}
static string GetLanguage (string path)
{
if (string.IsNullOrEmpty (path))
return null;
if (path.EndsWith (".cs", StringComparison.OrdinalIgnoreCase))
return "C#";
if (path.EndsWith (".fs", StringComparison.OrdinalIgnoreCase))
return "F#";
if (path.EndsWith (".vb", StringComparison.OrdinalIgnoreCase))
return "VB";
return null;
}
static SourceLocation GetSourceLocation (VsStackFrame frame)
{
return new SourceLocation (frame.Name, frame.Source?.Path, frame.Line, frame.Column, frame.EndLine ?? -1, frame.EndColumn ?? -1, GetHashBytes (frame.Source));
}
VsFormat format;
readonly int threadId;
readonly int frameIndex;
internal readonly int frameId;
string fullStackframeText;
public VsCodeStackFrame (VsFormat format, int threadId, int frameIndex, VsStackFrame frame)
: base (0, GetSourceLocation (frame), GetLanguage (frame.Source?.Path))
{
this.format = format;
this.threadId = threadId;
this.frameIndex = frameIndex;
this.fullStackframeText = frame.Name;
this.frameId = frame.Id;
}
static byte [] HexToByteArray (string hex)
{
if (hex.Length % 2 == 1)
throw new ArgumentException ();
byte [] bytes = new byte [hex.Length / 2];
for (int i = 0; i < bytes.Length; i++) {
bytes [i] = Convert.ToByte (hex.Substring (i * 2, 2), 16);
}
return bytes;
}
static byte [] GetHashBytes (Source source)
{
if (source == null)
return null;
var checkSum = source.Checksums.FirstOrDefault (c => c.Algorithm == ChecksumAlgorithm.SHA1);
if (checkSum == null)
return null;
return HexToByteArray (checkSum.ChecksumValue);
}
public override string FullStackframeText {
get {
//If StackFrameFormat changed since last fetch, refeatch
var currentFormat = GetStackFrameFormat (DebuggerSession.EvaluationOptions);
if (currentFormat.Hex != format.Hex ||
currentFormat.Line != format.Line ||
currentFormat.Module != format.Module ||
currentFormat.Parameters != format.Parameters ||
currentFormat.ParameterNames != format.ParameterNames ||
currentFormat.ParameterTypes != format.ParameterTypes ||
currentFormat.ParameterValues != format.ParameterValues) {
format = currentFormat;
var body = ((VSCodeDebuggerSession)DebuggerSession).protocolClient.SendRequestSync (new StackTraceRequest (threadId) { StartFrame = frameIndex, Levels = 1, Format = currentFormat });
fullStackframeText = body.StackFrames [0].Name;
}
return fullStackframeText;
}
}
}
}
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