private string ExtractLuaSource(int linenumber)
{
var lines = RawSource.Split('\n').ToList();
var lua = $"## {lines[linenumber - 2]}\n## --->{lines[linenumber - 1]}\n";
if (linenumber < lines.Count)
{
lua = $"{lua}## {lines[linenumber]}";
}
return(lua);
}
private string HumanizeException(Exception ex)
{
var lines = RawSource.Split('\n').ToList();
var summary = string.Empty;
if (ex is InterpreterException ie)
{
// Get information from decorated message. CallStack is only available for
// certain lua exceptions; decorated message / innerexception always has what
// is needed.
var e = ParseException(ie.DecoratedMessage);
if (!string.IsNullOrEmpty(e.Filename))
{
summary = $"Line {e.LineNumber}: {e.Error}\n{ExtractLuaSource(e.LineNumber)}";
}
else
{
summary = $"Could not be parsed, raw message follows {ie.DecoratedMessage}";
}
if (ie is SyntaxErrorException)
{
return($"\nSyntax error: {summary}");
}
if (ie is ScriptRuntimeException)
{
return($"\nScripting runtime error: {summary}");
}
if (ie is DynamicExpressionException)
{
return($"\nLua type error: {summary}");
}
else
{
return($"\nInternal error from Lua code: STACK: {summary}\nERR: {ie.DecoratedMessage}");
}
}
else
{
var retstr = string.Empty;
retstr = $"\nC# exception, perhaps caused by Lua script code: STACK: {ex.StackTrace}\n ERR:{ex.Message}";
if (ex.InnerException != null)
{
retstr = $"{retstr}\nINNER STACK TRACE: {ex.InnerException.StackTrace}\n INNER ERR: {ex.InnerException.Message}";
}
return(retstr);
}
}