static int Main(string[] args)
{
String specFile = null;
String dirname = null;
String destDir = null;
ProcessSpecFlags flags = ProcessSpecFlags.UseNoExistingFiles;
IBackend backend = null;
List <String> externalAssemblies = new List <String>();
String statisticsPath = null;
for (int i = 0; i < args.Length; i++)
{
if (args[i][0] == '-')
{
switch (args[i])
{
case "-o":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -o option!");
specFile = null; // show usage
break;
}
destDir = args[++i];
if (!Directory.Exists(destDir))
{
Console.Error.WriteLine("Specified output directory does not exist!");
return(1);
}
if (destDir[destDir.Length - 1] != Path.DirectorySeparatorChar)
{
destDir += Path.DirectorySeparatorChar;
}
break;
case "-b":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -b option!");
specFile = null; // show usage
break;
}
backend = LoadBackend(args[++i]);
if (backend == null)
{
return(1);
}
Console.WriteLine("Using backend \"" + backend.Name + "\".");
break;
case "-r":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -r option!");
specFile = null; // show usage
break;
}
externalAssemblies.Add(args[++i]);
break;
case "-keep":
flags |= ProcessSpecFlags.KeepGeneratedFiles;
if (specFile != null) // specFile already specified?
{
if (i + 1 >= args.Length) // yes. is there another parameter?
{
break;
}
}
else if (i + 2 >= args.Length) // no. are there two more parameters?
{
break;
}
if (args[i + 1][0] == '-') // is the next parameter an option?
{
break;
}
dirname = args[++i]; // no, use it as a gen-dir
break;
case "-use":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -use option!");
specFile = null; // show usage
break;
}
if (dirname != null)
{
Console.Error.WriteLine("The -d option may not specify a directory if -use is used!");
specFile = null;
break;
}
dirname = args[++i];
flags |= ProcessSpecFlags.UseJavaGeneratedFiles;
if (!Directory.Exists(dirname))
{
Console.Error.WriteLine("Illegal directory specified! It does not exist!");
return(1);
}
break;
case "-usefull":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -usefull option!");
specFile = null; // show usage
break;
}
if (dirname != null)
{
Console.Error.WriteLine("The -d option may not specify a directory if -usefull is used!");
specFile = null;
break;
}
dirname = args[++i];
flags |= ProcessSpecFlags.UseAllGeneratedFiles;
if (!Directory.Exists(dirname))
{
Console.Error.WriteLine("Illegal directory specified! It does not exist!");
return(1);
}
break;
case "-debug":
flags |= ProcessSpecFlags.CompileWithDebug;
break;
case "-noevents":
flags |= ProcessSpecFlags.NoEvents;
flags |= ProcessSpecFlags.NoDebugEvents;
break;
case "-nodebugevents":
flags |= ProcessSpecFlags.NoDebugEvents;
break;
case "-lazynic":
flags |= ProcessSpecFlags.LazyNIC;
break;
case "-noinline":
flags |= ProcessSpecFlags.Noinline;
break;
case "-statistics":
if (i + 1 >= args.Length)
{
Console.Error.WriteLine("Missing parameter for -statistics option!");
specFile = null; // show usage
break;
}
statisticsPath = args[++i];
if (!File.Exists(statisticsPath))
{
Console.Error.WriteLine("Specified statistics file \"" + statisticsPath + "\" does not exist!");
return(1);
}
break;
case "-profile":
flags |= ProcessSpecFlags.Profile;
break;
default:
Console.Error.WriteLine("Illegal option: " + args[i]);
specFile = null;
i = args.Length; // leave for loop
break;
}
}
else if (specFile != null)
{
Console.Error.WriteLine("Two rule specification files specified: \"" + specFile + "\" and \"" + args[i] + "\"");
specFile = null;
break;
}
else
{
specFile = args[i];
}
}
// flags |= ProcessSpecFlags.Profile; // uncomment to test profiling
if (specFile == null)
{
Console.WriteLine(
"Usage: GrGen [OPTIONS] <grg-file>[.grg]\n"
+ "Options:\n"
+ " -o <output-dir> Output directory for the generated assemblies\n"
+ " -keep [<gen-dir>] Don't delete generated files making it possible\n"
+ " to use the files in a C# project directly.\n"
+ " This way you can also debug non-matching rules.\n"
+ " Optionally you can specify a destination directory.\n"
+ " -debug Compiles the assemblies with debug information\n"
+ " -r <assembly-path> Assembly path to reference, i.e. link into\n"
+ " the generated assembly\n"
+ " -statistics <path> Build matchers based on the graph statistics\n"
+ " contained in the specified file\n"
+ " -use <existing-dir> Use old C# files generated by the Java frontend\n"
+ " using the -keep option in the specified directory\n"
+ " -usefull <exist-dir> Use all old C# files generated using the -keep option\n"
+ " in the specified directory\n"
+ " -b <backend-dll> Use the specified backend library\n"
+ " (default: LGSPBackend)\n"
+ " -lazynic Negatives, Independents, and Conditions are only\n"
+ " executed at the end of matching (normally asap)\n"
+ " -noinline disables subpattern and independent inlining\n"
+ "Optimizing options:\n"
+ " -nodebugevents Do not fire debug events in the generated code.\n"
+ " Mostly action events, impacts debugging.\n"
+ " -noevents Do not fire events in the generated code.\n"
+ " Mostly attribute change events.\n"
+ " Impacts transactions, recording, debugging.\n"
+ " -noperfinfo Do not try to update the performance info object\n"
+ " counting number of matches and rewrites.");
return(1);
}
if (!File.Exists(specFile))
{
if (File.Exists(specFile + ".grg"))
{
specFile += ".grg";
}
else
{
Console.Error.WriteLine("The GRG-file \"" + specFile + "\" does not exist!");
return(1);
}
}
specFile = FixDirectorySeparators(specFile);
String specDir;
int index = specFile.LastIndexOf(Path.DirectorySeparatorChar);
if (index == -1)
{
specDir = "";
}
else
{
specDir = specFile.Substring(0, index + 1);
if (!Directory.Exists(specDir))
{
Console.Error.WriteLine("Something is wrong with the directory of the specification file:\n\"" + specDir + "\" does not exist!");
return(1);
}
}
if (destDir == null)
{
destDir = specDir;
}
if (dirname == null)
{
int id = 0;
do
{
dirname = specDir + "tmpgrgen" + id + "";
id++;
}while(Directory.Exists(dirname));
}
if (!Directory.Exists(dirname))
{
try
{
Directory.CreateDirectory(dirname);
}
catch (Exception)
{
Console.Error.WriteLine("Unable to create temporary directory \"" + dirname + "\"!");
return(1);
}
}
if ((flags & ProcessSpecFlags.KeepGeneratedFiles) != 0)
{
Console.WriteLine("The generated files will be kept in: " + dirname);
}
if (backend == null)
{
backend = LGSPBackend.Instance;
}
int ret = 0;
try
{
backend.ProcessSpecification(specFile, destDir, dirname, statisticsPath, flags, externalAssemblies.ToArray());
}
catch (Exception ex)
{
Console.Error.WriteLine((flags & ProcessSpecFlags.CompileWithDebug) != 0 ? ex.ToString() : ex.Message);
ret = 1;
}
if ((flags & ProcessSpecFlags.KeepGeneratedFiles) == 0 && (flags & ProcessSpecFlags.UseExistingMask) == ProcessSpecFlags.UseNoExistingFiles)
{
Directory.Delete(dirname, true);
}
return(ret);
}
