/** Parse a single argument taking things like the double-dash (--) option into consideration. */
public void Parse(string argument)
{
// barf on empty parameters
if (argument.Length == 0)
throw new System.ArgumentException(argument);
// handle -script parameters
if (_script)
{
_arguments.Add(argument);
return;
}
// handle verbatim, and positional parameters
if (_verbatim || "@-".IndexOf(argument[0]) == -1)
{
_sources.Add(argument);
return;
}
// handle response files
if (argument[0] == '@')
{
Load(argument.Substring(1));
return;
}
// handle options aka named parameters
string name;
string data;
int pos = argument.IndexOf(':');
if (pos == -1)
{
name = argument;
data = null;
}
else
{
name = argument.Substring(0, pos);
data = argument.Substring(pos + 1);
}
switch (name)
{
case "--": // handy POSIX option: disable further processing
_verbatim = true;
break;
case "-entry":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
_entry = data;
break;
case "-h":
case "-help":
case "--help": // GNU compatibility option
if (data != null)
throw new SetupError("Excess argument in option: " + argument);
throw new ShowHelpError();
case "-license":
case "--license": // GNU compatibility option
if (data != null)
throw new SetupError("Excess argument in option: " + argument);
throw new ShowInfoError();
case "-mode":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
switch (data)
{
case "ship": _mode = ModeKind.Ship; break;
case "test": _mode = ModeKind.Test; break;
case "time": _mode = ModeKind.Time; break;
default : throw new SetupError("Invalid argument in option: " + argument);
}
break;
case "-name":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
_name = data;
break;
case "-output":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
_output = data;
break;
case "-quiet":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
uint quiet;
if (!uint.TryParse(data, out quiet) || quiet > 1)
throw new SetupError("Invalid argument in option: " + argument);
_quiet = (quiet == 0) ? false : true;
break;
case "-recurse":
if (data != null)
throw new SetupError("Excess argument in option: " + argument);
_recurse = true;
break;
case "-script":
_script = true;
break;
#if USED
case "-target":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
_target = new Target(data);
break;
#endif
case "-todo":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
switch (data)
{
case "erase": _todo = TodoKind.Erase; break;
case "throw": _todo = TodoKind.Throw; break;
case "warn" : _todo = TodoKind.Warn; break;
default : throw new SetupError("Invalid argument in option: " + argument);
}
break;
case "-trace":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
uint value;
if (!uint.TryParse(data, out value) || value > 6)
throw new SetupError("Invalid argument in option: " + argument);
_trace = value;
break;
case "-version":
case "--version": // GNU compatibility option
if (data != null)
throw new SetupError("Excess argument in option: " + argument);
throw new ShowLogoError();
case "-writer":
if (data == null)
throw new SetupError("Argument missing in option: " + argument);
switch (data)
{
case "Braceless0":
case "C":
case "C++":
case "C#":
case "D2":
case "LLVM":
case "MSIL":
case "PHP5":
case "Python2":
break;
default:
throw new SetupError("Unknown writer (backend) in option: " + argument);
}
if (_writers.IndexOf(data) != -1)
throw new SetupError("Writer already specified once: " + argument);
_writers.Add(data);
break;
default:
throw new SetupError("Unknown option: " + argument);
}
}
/** Parse a single command-line parameter. */
public void Parse(string arg)
{
// an empty argument
if (arg.Length == 0)
throw new TestError("Empty parameter detected");
// a response file
if (arg[0] == '@')
{
Load(arg.Substring(1));
return;
}
// a named argument (an option)
if (arg[0] == '-')
{
int pos = arg.IndexOf(':');
string name;
string data;
if (pos == -1)
{
name = arg.Substring(1);
data = null;
}
else
{
name = arg.Substring(1, pos - 1);
data = arg.Substring(pos + 1).TrimEnd();
}
switch (name.ToLower())
{
case "bootstrap":
if (data != null)
throw new TestError("Extranous argument in option: " + arg);
_bootstrap = true;
break;
case "compiler":
if (data == null || data.Length == 0)
throw new TestError("Missing argument in option: + " + arg);
_compiler = data;
break;
case "?":
case "h":
case "help":
case "-help":
throw new ShowHelpError();
case "mode":
if (data == null || data.Length == 0)
throw new TestError("Missing argument in option: + " + arg);
switch (data.ToLower())
{
case "ship":
_mode = ModeKind.Ship;
break;
case "test":
_mode = ModeKind.Test;
break;
default:
throw new TestError("Invalid mode in option: " + data);
}
break;
#if false
/* this does not yet work due to hard-coded assumptions about the location of the output path in Bugfind.cs. */
case "output":
if (data == null || data.Trim().Length == 0)
throw new TestError("Missing argument in option: + " + arg);
_output = data;
if (_output.Length > 1 && _output[_output.Length - 1] != System.IO.Path.DirectorySeparatorChar)
_output += System.IO.Path.DirectorySeparatorChar;
break;
#endif
case "platform":
if (data == null || data.Length == 0)
throw new TestError("Missing argument in option: " + arg);
switch (data)
{
case ".NET":
case "Mono":
case "dotGNU":
_platform = data;
break;
default:
throw new TestError("Invalid platform name in option: " + arg);
}
break;
case "target":
if (data == null || data.Length == 0)
throw new TestError("Missing argument in option: " + arg);
try
{
Target target = new Target(data);
_targets.Add(target);
}
catch (TestError)
{
throw new TestError("Invalid target specification: " + data);
}
break;
case "trace":
if (data == null || data.Length == 0)
throw new TestError("Missing argument in option: " + arg);
_trace = int.Parse(data);
if (_trace < 0 || _trace > 5)
throw new TestError("Invalid argument in option (must be between 0 and 5): " + arg);
break;
case "threads":
try
{
_threads = int.Parse(data);
}
catch (System.Exception)
{
throw new TestError("Invalid number of threads in option: " + arg);
}
break;
case "version":
throw new ShowInfoError();
default:
throw new TestError("Unknown option: " + arg);
}
return;
}
// a positional argument
_sources.Add(arg);
}