public static Server.ResponseType Stacktrace(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Array;
if (self.vm == null)
{
return(Server.ResponseType.Json);
}
var cache = new StringBuilder();
for (var i = self.vm.callFrameStack.count - 1; i >= 0; i--)
{
var callframe = self.vm.callFrameStack.buffer[i];
switch (callframe.type)
{
case CallFrame.Type.EntryPoint:
break;
case CallFrame.Type.Function:
using (var st = root.Object)
{
var codeIndex = System.Math.Max(callframe.codeIndex - 1, 0);
var sourceContentIndex = self.vm.chunk.sourceSlices.buffer[codeIndex].index;
var source = self.sources.buffer[self.vm.chunk.FindSourceIndex(codeIndex)];
var pos = FormattingHelper.GetLineAndColumn(
source.content,
sourceContentIndex
);
cache.Clear();
self.vm.chunk.FormatFunction(callframe.functionIndex, cache);
st.String("name", cache.ToString());
st.Number("line", pos.lineIndex + 1);
st.Number("column", pos.columnIndex + 1);
st.String("sourceUri", source.uri.value);
}
break;
case CallFrame.Type.NativeFunction:
using (var st = root.Object)
{
cache.Clear();
cache.Append("native ");
self.vm.chunk.FormatNativeFunction(callframe.functionIndex, cache);
st.String("name", cache.ToString());
}
break;
}
}
return(Server.ResponseType.Json);
}
void IDebugger.OnDebugHook()
{
var codeIndex = vm.callFrameStack.buffer[vm.callFrameStack.count - 1].codeIndex;
if (codeIndex < 0)
{
return;
}
var sourceIndex = vm.chunk.FindSourceIndex(codeIndex);
if (sourceIndex < 0)
{
return;
}
var source = sources.buffer[sourceIndex];
var sourceSlice = vm.chunk.sourceSlices.buffer[codeIndex];
var line = (ushort)(FormattingHelper.GetLineAndColumn(source.content, sourceSlice.index).lineIndex + 1);
var position = new SourcePosition(source.uri, line);
Execution ex;
lock (this)
{
ex = execution;
}
switch (ex)
{
case Execution.Continuing:
lock (this)
{
for (var i = 0; i < breakpoints.count; i++)
{
var breakpoint = breakpoints.buffer[i];
var wasOnBreakpoint =
//lastPosition.uri.value == position.uri.value &&
lastPosition.line == breakpoint.line;
if (!wasOnBreakpoint && position.line == breakpoint.line)
{
execution = Execution.BreakpointPaused;
break;
}
}
}
break;
case Execution.Stepping:
if (lastPosition.uri.value != position.uri.value || lastPosition.line != position.line)
{
lock (this)
{
execution = Execution.StepPaused;
}
break;
}
break;
}
while (true)
{
lock (this)
{
if (!IsPaused)
{
break;
}
}
Thread.Sleep(1000);
}
lastPosition = position;
}
