public static void Main(string[] args)
{
try
{
ProcessArguments(args, out var files, out var parameters);
var paths = ExpandWildCard(files);
var compilerSettings = CompilerSettings.ParseCompilerSettings(paths, parameters);
if (!compilerSettings.NJCLibFound)
{
Console.WriteLine($"NJCLib was not found");
}
if (compilerSettings.CodeGenerationTarget == CodeGenerationTarget.None)
{
throw new Exception("Specify code generation target with argument --target=java or --target=net");
}
CopyNativeLibs(compilerSettings);
RunCompiler(compilerSettings);
}
catch (Exception e)
{
#if DEBUG
Console.WriteLine("Error: {0}", e);
#else
Console.WriteLine("Error: {0}", e.Message);
#endif
}
#if DEBUG
Console.ReadKey();
#endif
}
private static void ProcessFiles(IEnumerable <string> files, CompilerSettings compilerSettings)
{
var filesList = files.ToList();
if (filesList.Count == 0)
{
throw new Exception("Select a file");
}
var duplicateNames = filesList.GetDuplicatedItems().ToList();
if (duplicateNames.Any())
{
throw new Exception($"Files ({string.Join(", ", duplicateNames)}) were specified more than once");
}
if (filesList.Any(s => s.Contains(NJCLibName)))
{
compilerSettings.NJCLibPath = filesList.Find(s => s.Contains(NJCLibName));
filesList.Remove(compilerSettings.NJCLibPath);
}
if (!compilerSettings.NJCLibFound)
{
FindNJCLib(compilerSettings);
}
compilerSettings.FilesPaths = filesList;
}
private static void CopyNativeLibs(CompilerSettings compilerSettings)
{
string targetPath = compilerSettings.CodeGenerationTarget == CodeGenerationTarget.Dotnet
? CompilerSettings.DotNetNativesPath
: CompilerSettings.JavaNativesPath;
IOHelper.CopyDirItems(targetPath, CompilerSettings.CurrentDirectory);
}
public static CompilerSettings ParseCompilerSettings(IEnumerable <string> files, IEnumerable <string> parameters)
{
CompilerSettings compilerSettings = new CompilerSettings();
ProcessFiles(files, compilerSettings);
parameters.ForEach(parameter =>
{
if (parameter.Contains("--target"))
{
ProcessTargetSetting(compilerSettings, parameter);
}
if (parameter.Contains("--print"))
{
ProcessPrintSetting(compilerSettings, parameter);
}
});
return(compilerSettings);
}
private static void ProcessTargetSetting(CompilerSettings settings, string targetSetting)
{
if (settings.CodeGenerationTarget != CodeGenerationTarget.None)
{
throw new Exception("--target setting was already specified");
}
switch (targetSetting)
{
case "--target=net":
settings.CodeGenerationTarget = CodeGenerationTarget.Dotnet;
break;
case "--target=java":
settings.CodeGenerationTarget = CodeGenerationTarget.Java;
break;
default:
throw new Exception($"target setting does not support value {targetSetting}");
}
}
private static void ProcessPrintSetting(CompilerSettings settings, string printSettting)
{
switch (printSettting)
{
case "--print-ast":
if (settings.PrintAstTree)
{
throw new Exception(DuplicateSetting(printSettting));
}
settings.PrintAstTree = true;
break;
case "--print-syntax":
if (settings.PrintSyntaxTree)
{
throw new Exception(DuplicateSetting(printSettting));
}
settings.PrintSyntaxTree = true;
break;
}
}
private static void FindNJCLib(CompilerSettings settings)
{
FindNJCLibInternal(CurrentDirectory);
if (!settings.NJCLibFound)
{
FindNJCLibInternal(HomeDirectory);
}
void FindNJCLibInternal(string path)
{
DirectoryInfo directoryInfo = new DirectoryInfo(path);
var filesInfos = directoryInfo.GetFiles(NJCLibName);
settings.NJCLibPath = filesInfos.FirstOrDefault()?.FullName;
if (!settings.NJCLibFound)
{
var libsDir = directoryInfo.GetDirectories(LibsFolderName);
settings.NJCLibPath = libsDir.FirstOrDefault()
?.GetFiles(NJCLibName).FirstOrDefault()
?.FullName;
}
}
}
private static void RunCompiler(CompilerSettings compilerSettings)
{
var astProgram = new Tree.Nodes.Program();
compilerSettings.FilesPaths.ForEach(path =>
{
ITree tree = RunSyntaxAnalysys(path);
if (compilerSettings.PrintSyntaxTree)
{
AstNodePrinter.Print(tree);
}
if (ErrorService.Instance.HasErrors)
{
ErrorService.Instance.PrintErrorsToConsole();
}
else
{
astProgram.Construct(tree.CastTo <CommonTree>());
}
});
if (compilerSettings.NJCLibFound)
{
astProgram.Construct(
RunSyntaxAnalysys(compilerSettings.NJCLibPath)
.CastTo <CommonTree>());
}
//AST
if (ErrorService.Instance.HasErrors)
{
return;
}
SemanticsRunner.Run(astProgram,
compilerSettings.CodeGenerationTarget == CodeGenerationTarget.Dotnet
? FunctionIndexingStrategy.Splitted
: FunctionIndexingStrategy.United);
if (compilerSettings.PrintAstTree)
{
TreeConsolePrinter tp = new TreeConsolePrinter();
tp.Print(astProgram);
}
if (compilerSettings.CodeGenerationTarget == CodeGenerationTarget.Java)
{
JasminCodeGenerator generator = new JasminCodeGenerator();
generator.GenerateCode(astProgram);
generator.SaveFiles();
RunJasminBuildScript();
}
else if (compilerSettings.CodeGenerationTarget == CodeGenerationTarget.Dotnet)
{
var trimEnd = Path.ChangeExtension(Path.GetFileName(compilerSettings.FilesPaths.First()), "")
.TrimEnd('.');
CodeGenerator cg =
new CodeGenerator(trimEnd,
astProgram);
}
//Helpers.FilePrinter.WriteTextToFile(generator.CodeListing, "output.j");
//Console.WriteLine(generator.CodeListing);
//RunJasminBuildScript();
}