private JObject GetScriptSource(string scriptId)
{
var sourceFile = _debugInfoStore.GetSourceFileById(scriptId);
return(DebuggerConnection.ToJObject(new
{
// TODO: Stop reading the file from disk. Get the document's
// contents from the .pdb file, assuming that info exists there.
scriptSource = File.ReadAllText(sourceFile.FileName)
}));
}
private JObject GetPossibleBreakpoints(string scriptId, int lineNumber, int columnNumber)
{
var closestLocations = _debugInfoStore.GetBreakpointLocations(scriptId, lineNumber);
return(DebuggerConnection.ToJObject(new
{
locations = closestLocations.Select(location => new
{
ScriptId = scriptId,
LineNumber = location.SequencePointInfo.StartLine - 1,
ColumnNumber = location.SequencePointInfo.StartColumn - 1
})
}));
}
private async Task NotifyBrowserAboutScript(int executionContextId, JObject auxData, SourceFileInfo sourceFile)
{
await _ideConnection.SendMessageAsync(new MessageBase
{
Method = "Debugger.scriptParsed",
Params = DebuggerConnection.ToJObject(new
{
ScriptId = sourceFile.Id,
Url = sourceFile.Url,
ExecutionContextId = executionContextId,
ExecutionContextAuxData = auxData,
Hash = "fakehash",
//IsLiveEdit = false,
//SourceMapURL = string.Empty,
//HasSourceURL = false,
//IsModule = false,
//StartLine = 0,
//StartColumn = 0,
//EndLine = 3,
//EndColumn = 0,
//Length = 123
})
});
}
private async Task <JObject> SetBreakpoint(SourceFileInfo script, int lineNumber, int columnNumber)
{
var closestLocation = _debugInfoStore.GetClosestBreakpointLocation(script, lineNumber, columnNumber);
if (closestLocation == null)
{
Console.WriteLine($"\n*** No location found when trying to set breakpoint at line {lineNumber}, col {columnNumber} in {script.FileName}");
return(EmptyJObject);
}
else
{
// The breakpoint needs to be tracked:
// [1] In the debug orchestrator, so it can recreate the list of breakpoints
// later if it needs to
var breakpointId = CreateBreakpointId(closestLocation.DnaMethodIdentifier, closestLocation.SequencePointInfo.Offset);
_currentBreakpointsById[breakpointId] = closestLocation;
// [2] In DNA, so it knows when to stop
Console.WriteLine($"\n*** Found location at seq point {closestLocation.SequencePointIndex} in {closestLocation.DnaMethodIdentifier}");
await SetBreakpointInDNA(closestLocation);
// [3] In the IDE, so it can be shown to the developer
return(DebuggerConnection.ToJObject(new
{
breakpointId = breakpointId,
locations = new[]
{
new {
scriptId = closestLocation.SourceFile.Id,
lineNumber = closestLocation.SequencePointInfo.StartLine - 1,
columnNumber = closestLocation.SequencePointInfo.StartColumn - 1
}
}
}));
}
}
private async Task <JObject> EvaluateJsInBrowser(string expression, string callFrameId = null)
{
JObject resultWrapper;
if (string.IsNullOrEmpty(callFrameId))
{
resultWrapper = await _browserConnection.CallMethodAsync("Runtime.evaluate", DebuggerConnection.ToJObject(new
{
Expression = expression
}));
}
else
{
resultWrapper = await _browserConnection.CallMethodAsync("Debugger.evaluateOnCallFrame", DebuggerConnection.ToJObject(new
{
Expression = expression,
CallFrameId = callFrameId
}));
}
return(resultWrapper.GetValue("result").Value <JObject>());
}
private async Task NotifyIdeAboutDotnetBreakpointHit(MessageBase message, JObject nativeTopCallFrame)
{
var nativeCallFrameId = nativeTopCallFrame.GetValue("callFrameId").Value <string>();
var debuggerMessage = await EvaluateJsInBrowser("message", nativeCallFrameId);
var debuggerMessageJson = debuggerMessage.GetValue("value").Value <string>();
var debuggerMessageParsed = JsonConvert.DeserializeObject <JObject>(debuggerMessageJson);
var dnaLocationId = debuggerMessageParsed.GetValue("ID").Value <string>();
var ilOffset = debuggerMessageParsed.GetValue("ilOffset").Value <int>();
var breakpointId = CreateBreakpointId(dnaLocationId, ilOffset);
// Modify the message to indicate we hit the .NET breakpoint, then pass it through to
// the IDE. TODO: Also fix up the call stack, etc.
var breakpoint = _debugInfoStore.FindBreakpointUsingDnaData(dnaLocationId, ilOffset, out var sourceFile);
if (breakpoint == null)
{
Console.WriteLine($"Could not find .NET breakpoint corresponding to IL offset {ilOffset} in ID {dnaLocationId}");
await _ideConnection.SendMessageAsync(message);
return;
}
_currentlyPausedInDotNetBreakpoint = breakpoint;
var lineNumber = breakpoint.SequencePointInfo.StartLine;
var colNumber = breakpoint.SequencePointInfo.StartColumn;
Console.WriteLine($"Hit .NET breakpoint at {sourceFile.FileName} line {lineNumber} col {colNumber}\n");
var nativeCallFrames = message.Params.GetValue("callFrames").Values <JObject>();
var dotNetCallFrames = new[]
{
// TODO: Include all .NET call frames, not just the top one
DebuggerConnection.ToJObject(new
{
CallFrameId = "dotnetcallframe:0",
FunctionName = breakpoint.MethodName,
FunctionLocation = new {
ScriptId = sourceFile.Id,
LineNumber = lineNumber - 1, // TODO: Get actual line/col where the function starts, not the breakpoint hit
ColumnNumber = colNumber - 1
},
Location = new {
ScriptId = sourceFile.Id,
LineNumber = lineNumber - 1,
ColumnNumber = colNumber - 1
},
ScopeChain = EmptyJObject, // TODO: Populate, so it can show locals
This = EmptyJObject
})
};
await _ideConnection.SendMessageAsync(new MessageBase
{
Method = "Debugger.paused",
Params = DebuggerConnection.ToJObject(new
{
CallFrames = dotNetCallFrames.Concat(nativeCallFrames),
Reason = "other",
HitBreakpoints = new[] { breakpointId }
})
});
}