protected static CommandLineConfig Parse(params String[] args)
{
var frames = new StackTrace().GetFrames().Select(f =>
{
var m = f.GetMethod();
var decl = m.DeclaringType;
while (decl != null && decl.IsCompilerGenerated()) decl = decl.DeclaringType;
return decl;
}).ToReadOnly();
frames = frames.SkipWhile(decl => decl == null || decl == typeof(CommandLineConfig)).ToReadOnly();
frames = frames.SkipWhile(decl => decl == null || decl == typeof(Func)).ToReadOnly();
frames = frames.SkipWhile(decl => decl == null || decl == typeof(CommandLineConfig)).ToReadOnly();
var t = frames.AssertFirst(decl => decl != null && decl != typeof(CommandLineConfig));
try
{
var ctor = t.GetConstructors(BF.All).Single(ci => ci.Params().SingleOrDefault2() == typeof(String[]));
return (CommandLineConfig)ctor.Invoke(args.MkArray());
}
catch (TargetInvocationException tie)
{
var cex = tie.InnerException as ConfigException;
if (cex != null)
{
var error = Logger.Get(t).Error;
if (cex.Message != null)
{
if (args.Last() != "/verbose")
{
var asm_name = t.Assembly.GetName().Name;
var cfg_name = t.Attr<ConfigAttribute>().Name;
error.WriteLine("Command line was: {0} {1}", cfg_name ?? asm_name, args.StringJoin(" "));
}
error.WriteLine(cex.Message);
}
error.EnsureBlankLine();
Banners.Help();
return null;
}
else
{
throw;
}
}
}