public static Server.ResponseType Help(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Object;
root.String("/", "show this help");
root.String("/execution/poll", "poll execution state");
root.String("/execution/continue", "resume execution");
root.String("/execution/step", "step execution");
root.String("/execution/pause", "pause execution");
root.String("/execution/stop", "stop debug server");
root.String("/breakpoints/list", "list all breakpoints of all sources");
root.String("/breakpoints/clear", "clear all breakpoints of all sources");
root.String("/breakpoints/set?path=source/path&lines=1,2,42,999", "set all breakpoints for a single source");
root.String("/values/stack", "list values on the stack");
root.String("/stacktrace", "query the stacktrace");
root.String("/sources/list", "list all loaded sources");
root.String("/sources/content?uri=source/uri", "list all loaded sources");
return(Server.ResponseType.Json);
}
public static Server.ResponseType BreakpointsSet(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Object;
var path = query["path"];
if (string.IsNullOrEmpty(path))
{
return(Server.ResponseType.Json);
}
var lines = query["lines"].Split(',');
var uri = new Uri();
for (var i = 0; i < self.sources.count; i++)
{
var source = self.sources.buffer[i];
if (path.EndsWith(source.uri.value))
{
uri = source.uri;
break;
}
}
if (string.IsNullOrEmpty(uri.value))
{
return(Server.ResponseType.Json);
}
root.String("sourceUri", uri.value);
using var breakpoints = root.Array("breakpoints");
for (var i = self.breakpoints.count - 1; i >= 0; i--)
{
var breakpoint = self.breakpoints.buffer[i];
if (breakpoint.uri.value == uri.value)
{
self.breakpoints.SwapRemove(i);
}
}
foreach (var line in lines)
{
if (int.TryParse(line, out var lineNumber))
{
self.breakpoints.PushBack(new SourcePosition(
uri,
(ushort)lineNumber
));
breakpoints.Number(lineNumber);
}
}
return(Server.ResponseType.Json);
}
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);
}
public static Server.ResponseType SourcesList(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Array;
for (var i = 0; i < self.sources.count; i++)
{
var source = self.sources.buffer[i];
root.String(source.uri.value);
}
return(Server.ResponseType.Json);
}
public static Server.ResponseType BreakpointsAll(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Array;
for (var i = 0; i < self.breakpoints.count; i++)
{
var breakpoint = self.breakpoints.buffer[i];
using var b = root.Object;
b.String("source", breakpoint.uri.value);
b.Number("line", breakpoint.line);
}
return(Server.ResponseType.Json);
}
public static Server.ResponseType SourcesContent(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
var sourceUri = query["uri"];
if (string.IsNullOrEmpty(sourceUri))
{
return(Server.ResponseType.Text);
}
var uri = new Uri(sourceUri);
for (var i = 0; i < self.sources.count; i++)
{
var source = self.sources.buffer[i];
if (source.uri.value == uri.value)
{
sb.Append(source.content);
break;
}
}
return(Server.ResponseType.Text);
}
public static Server.ResponseType ExecutionPoll(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Object;
var execution = self.execution switch
{
DebugServer.Execution.Continuing =>
nameof(DebugServer.Execution.Continuing),
DebugServer.Execution.Stepping =>
nameof(DebugServer.Execution.Stepping),
DebugServer.Execution.ExternalPaused =>
nameof(DebugServer.Execution.ExternalPaused),
DebugServer.Execution.BreakpointPaused =>
nameof(DebugServer.Execution.BreakpointPaused),
DebugServer.Execution.StepPaused =>
nameof(DebugServer.Execution.StepPaused),
_ => "",
};
root.String("execution", execution);
return(Server.ResponseType.Json);
}
public static Server.ResponseType BreakpointsClear(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
self.breakpoints.count = 0;
return(self.BreakpointsAll(query, sb));
}
public static Server.ResponseType ExecutionStop(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
self.Stop();
return(Server.ResponseType.Text);
}
public static Server.ResponseType ExecutionPause(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
self.execution = DebugServer.Execution.ExternalPaused;
return(self.ExecutionPoll(query, sb));
}
public static Server.ResponseType ExecutionContinue(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
self.execution = DebugServer.Execution.Continuing;
return(self.ExecutionPoll(query, sb));
}
public static Server.ResponseType Values(this DebugServer self, NameValueCollection query, StringBuilder sb)
{
using var writer = new JsonWriter(sb);
using var root = writer.Object;
var pathString = query["path"];
var path = string.IsNullOrEmpty(pathString) ?
new string[1] :
pathString.Split('.');
if (self.vm == null)
{
return(Server.ResponseType.Json);
}
var topCallFrame = self.vm.callFrameStack.buffer[self.vm.callFrameStack.count - 1];
if (topCallFrame.type != CallFrame.Type.Function)
{
return(Server.ResponseType.Json);
}
var topDebugFrame = self.vm.debugData.frameStack.buffer[self.vm.debugData.frameStack.count - 1];
var stackTypesBaseIndex = topDebugFrame.stackTypesBaseIndex + 1;
var count = System.Math.Min(
self.vm.debugData.stackTypes.count - stackTypesBaseIndex,
self.vm.debugData.stackNames.count - topDebugFrame.stackNamesBaseIndex
);
var stackIndex = topCallFrame.baseStackIndex;
var cacheSb = new StringBuilder();
if (string.IsNullOrEmpty(path[0]))
{
using var valuesWriter = root.Array("values");
for (var i = 0; i < count; i++)
{
var name = self.vm.debugData.stackNames.buffer[topDebugFrame.stackNamesBaseIndex + i];
var type = self.vm.debugData.stackTypes.buffer[stackTypesBaseIndex + i];
using var valueWriter = valuesWriter.Object;
path[0] = name;
NestedValues(
self.vm,
ref stackIndex,
path,
1,
type,
cacheSb,
valueWriter
);
}
}
else
{
for (var i = 0; i < count; i++)
{
var name = self.vm.debugData.stackNames.buffer[topDebugFrame.stackNamesBaseIndex + i];
var type = self.vm.debugData.stackTypes.buffer[stackTypesBaseIndex + i];
if (path[0] == name)
{
NestedValues(
self.vm,
ref stackIndex,
path,
1,
type,
cacheSb,
root
);
break;
}
}
}
return(Server.ResponseType.Json);
}
