string GetExceptionMessage(CorValue exValue)
{
string exMsg;
if (EvalUtils.ReflectionReadExceptionMessage(exValue, out exMsg))
{
return(exMsg ?? dnSpy_Debugger_Resources.ExceptionMessageIsNull);
}
return("???");
}
public async Task <DiscordCommandResult> EvalCSharpAsync([Description("The code to execute"), Remainder] string code)
{
if (code == null)
{
var messageRef = Context.Message.ReferencedMessage.GetValueOrDefault();
if (messageRef is not null)
{
code = messageRef.Content;
}
else
{
return(InvalidCodeResponse());
}
}
code = EvalUtils.ValidateCode(code);
var scriptOptions = ScriptOptions.Default
.WithImports(EvalUtils.EvalNamespaces)
.WithReferences(AppDomain.CurrentDomain.GetAssemblies().Where(x => !x.IsDynamic && !string.IsNullOrWhiteSpace(x.Location)));
var script = CSharpScript.Create(code, scriptOptions, Context is DiscordGuildCommandContext ? typeof(EvalGuildGlobals) : typeof(EvalGlobals));
try
{
using (Context.Bot.BeginTyping(Context.ChannelId))
{
var stopwatch = Stopwatch.StartNew();
var diagnostics = script.Compile();
stopwatch.Stop();
if (diagnostics.Any(x => x.Severity == DiagnosticSeverity.Error))
{
var eb = new LocalEmbed()
.WithTitle("Compilation Failure")
.WithDescription($"{diagnostics.Length} {(diagnostics.Length > 1 ? "errors" : "error")}")
.WithColor(Color.Red)
.WithFooter($"{stopwatch.Elapsed.TotalMilliseconds}ms");
for (var i = 0; i < diagnostics.Length; i++)
{
if (i > 3)
{
break;
}
var diagnostic = diagnostics[i];
var lineSpan = diagnostic.Location.GetLineSpan().Span;
eb.AddField($"Error `{diagnostic.Id}` at {lineSpan.Start} - {lineSpan.End}", diagnostic.GetMessage());
}
if (diagnostics.Length > 4)
{
eb.AddField($"Skipped {diagnostics.Length - 4} {(diagnostics.Length - 4 > 1 ? "errors" : "error")}", "You should be able to fix it.");
}
return(Response(eb));
}
var globals = Context is DiscordGuildCommandContext guildContext ? new EvalGuildGlobals(guildContext) : new EvalGlobals(Context);
var state = await script.RunAsync(globals, _ => true);
if (state.Exception != null)
{
var eb = new LocalEmbed()
.WithTitle("Execution Failure")
.WithDescription(state.Exception.ToString().SplitInParts(LocalEmbed.MaxDescriptionLength).First())
.WithColor(Color.Red)
.WithFooter($"{stopwatch.Elapsed.TotalMilliseconds}ms");
return(Response(eb));
}
switch (state.ReturnValue)
{
case null:
case string value when string.IsNullOrWhiteSpace(value):
return(Reaction(new LocalEmoji("✅")));
case DiscordCommandResult commandResult:
return(commandResult);
default:
return(Response(state.ReturnValue.ToString()));
}
}
}
catch (Exception ex)
{
Context.Bot.Logger.LogError(ex, "An unexpected exception occurred when evaluating code.");
return(Response($"An unexpected exception occurred: {ex.Message}."));
}
}
