private static void ShowHelp(OptionSet options, AmbrosiaCSRuntimeModes mode)
{
var name = typeof(Program).Assembly.GetName().Name;
#if NETCORE
Console.WriteLine($"Usage: dotnet {name}.dll {mode} [OPTIONS]\nOptions:");
#else
Console.WriteLine($"Usage: {name}.exe {mode} [OPTIONS]\nOptions:");
#endif
options.WriteOptionDescriptions(Console.Out);
}
private static OptionSet ParseOptions(string[] args, out bool shouldShowHelp)
{
var showHelp = false;
var assemblyNames = new List <string>();
var projectFiles = new List <string>();
var codeGenOptions = new OptionSet {
{ "a|assembly=", "An input assembly file location. [REQUIRED]", a => assemblyNames.Add(Path.GetFullPath(a)) },
{ "o|outputAssemblyName=", "An output assembly name. [REQUIRED]", outputAssemblyName => _outputAssemblyName = outputAssemblyName },
{ "f|targetFramework=", "The output assembly target framework. [> 1 REQUIRED]", f => _targetFrameworks.Add(f) },
{ "p|project=", "An input project file location for reference resolution. ", p => projectFiles.Add(Path.GetFullPath(p)) },
{ "h|help", "show this message and exit", h => showHelp = h != null },
};
var runtimeModeToOptionSet = new Dictionary <AmbrosiaCSRuntimeModes, OptionSet>
{
{ AmbrosiaCSRuntimeModes.CodeGen, codeGenOptions },
};
_runtimeMode = default(AmbrosiaCSRuntimeModes);
if (args.Length < 1 || !Enum.TryParse(args[0], true, out _runtimeMode))
{
Console.WriteLine("Missing or illegal runtime mode.");
ShowHelp(runtimeModeToOptionSet);
Environment.Exit(1);
}
var options = runtimeModeToOptionSet[_runtimeMode];
try
{
options.Parse(args);
}
catch (OptionException e)
{
Console.WriteLine("Invalid arguments: " + e.Message);
ShowHelp(options, _runtimeMode);
Environment.Exit(1);
}
shouldShowHelp = showHelp;
_assemblyNames = assemblyNames;
_projectFiles = projectFiles;
return(codeGenOptions);
}
