mirror of
https://github.com/twiglet/cs2j.git
synced 2025-01-18 13:15:17 +01:00
430 lines
22 KiB
C#
430 lines
22 KiB
C#
/*
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Copyright 2010,2011 Kevin Glynn (kevin.glynn@twigletsoftware.com)
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using System.Xml;
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using Antlr.Runtime.Tree;
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using Antlr.Runtime;
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using System.Xml.Serialization;
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using Antlr.StringTemplate;
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using NDesk.Options;
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using AntlrCSharp;
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using Twiglet.CS2J.Translator.Utils;
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using Twiglet.CS2J.Translator.Transform;
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using Twiglet.CS2J.Translator.TypeRep;
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using CS2JConstants = Twiglet.CS2J.Translator.Utils.Constants;
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using Twiglet.CS2J.Translator.Extract;
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namespace Twiglet.CS2J.Translator
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{
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class CS2J
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{
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private const string VERSION = "2011.1.1.x";
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private static DirectoryHT<TypeRepTemplate> AppEnv { get; set; }
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private static CS2JSettings cfg = new CS2JSettings();
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private static StringTemplateGroup templates = null;
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public delegate void FileProcessor(string fName);
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private static void showVersion()
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{
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Console.Out.WriteLine(Path.GetFileNameWithoutExtension(System.Environment.GetCommandLineArgs()[0]) + ": " + VERSION);
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}
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private static void showUsage()
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{
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Console.Out.WriteLine("Usage: " + Path.GetFileNameWithoutExtension(System.Environment.GetCommandLineArgs()[0]));
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Console.Out.WriteLine(" [-help] (this usage message)");
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Console.Out.WriteLine(" [-v] (be [somewhat more] verbose, repeat for more verbosity)");
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Console.Out.WriteLine(" [-D <macroVariable>] (define <macroVariable>, option can be repeated)");
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Console.Out.WriteLine(" [-showtokens] (the lexer prints the tokenized input to the console)");
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Console.Out.WriteLine(" [-dumpcsharp] [-dumpjavasyntax] [-dumpjava] (show parse tree at various stages of the translation)");
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Console.Out.WriteLine(" [-dumpxml] [-xmldir <directory to dump xml database>] (dump the translation repository as xml files)");
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Console.Out.WriteLine(" [-dumpenums <enum xml file>] (create an xml file documenting enums)");
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Console.Out.WriteLine(" [-odir <root of translated classes>]");
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Console.Out.WriteLine(" [-cheatdir <root of translation 'cheat' files>]");
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Console.Out.WriteLine(" [-netdir <root of .NET Framework Class Library translations>+] (can be multiple directories, separated by semi-colons)");
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Console.Out.WriteLine(" [-exnetdir <directories/files to be excluded from translation repository>+] (can be multiple directories/files, separated by semi-colons)");
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Console.Out.WriteLine(" [-appdir <root of C# application>]");
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Console.Out.WriteLine(" [-exappdir <directories/files to be excluded from translation repository>+] (can be multiple directories/files, separated by semi-colons)");
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Console.Out.WriteLine(" [-exclude <directories/files to be excluded from translation>+] (can be multiple directories/files, separated by semi-colons)");
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Console.Out.WriteLine(" [-translator-keep-parens <true/false>] (keep parens from source, default true)");
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Console.Out.WriteLine(" [-debug <level>] (set debug level, default 0)");
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Console.Out.WriteLine(" [-debug-template-extraction <true/false>] (show debug messages during template extraction, default true)");
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Console.Out.WriteLine(" [-warnings <true/false>] (show warnings, default true)");
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Console.Out.WriteLine(" [-warning-resolve-failures <true/false>] (show warnings for resolve failures, default true)");
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Console.Out.WriteLine(" <directory or file name to be translated>");
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Environment.Exit(0);
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}
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private static void addDirectories(IList<string> strs, string rawStr) {
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string[] argDirs = rawStr.Split(';');
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for (int i = 0; i < argDirs.Length; i++)
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strs.Add(Path.GetFullPath(argDirs[i]));
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}
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public static void CS2JMain(string[] args)
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{
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long startTime = DateTime.Now.Ticks;
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IList<string> remArgs = new List<string>();
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XmlTextWriter enumXmlWriter = null;
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AppEnv = new DirectoryHT<TypeRepTemplate>(null);
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// Use a try/catch block for parser exceptions
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try
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{
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// if we have at least one command-line argument
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if (args.Length > 0)
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{
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if (cfg.Verbosity >= 2) Console.Error.WriteLine("Parsing Command Line Arguments...");
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OptionSet p = new OptionSet ()
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.Add ("v", v => cfg.Verbosity++)
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.Add ("debug=", v => cfg.DebugLevel = Int32.Parse(v))
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.Add ("debug-template-extraction=", v => cfg.DebugTemplateExtraction = Boolean.Parse(v))
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.Add ("warnings=", v => cfg.Warnings = Boolean.Parse(v))
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.Add ("warnings-resolve-failures=", v => cfg.WarningsFailedResolves = Boolean.Parse(v))
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.Add ("version", v => showVersion())
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.Add ("help|h|?", v => showUsage())
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.Add ("dumpcsharp", v => cfg.DumpCSharp = true)
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.Add ("dumpjava", v => cfg.DumpJava = true)
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.Add ("dumpjavasyntax", v => cfg.DumpJavaSyntax = true)
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.Add ("dumptokens", v => cfg.DisplayTokens = true)
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.Add ("D=", def => cfg.MacroDefines.Add(def))
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.Add ("dumpenums", v => cfg.DumpEnums = true)
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.Add ("enumdir=", dir => cfg.EnumDir = Path.Combine(Directory.GetCurrentDirectory(), dir))
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.Add ("dumpxmls", v => cfg.DumpXmls = true)
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.Add ("xmldir=", dir => cfg.XmlDir = Path.Combine(Directory.GetCurrentDirectory(), dir))
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.Add ("odir=", dir => cfg.OutDir = dir)
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.Add ("cheatdir=", dir => cfg.CheatDir = dir)
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.Add ("netdir=", dirs => addDirectories(cfg.NetRoot, dirs))
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.Add ("exnetdir=", dirs => addDirectories(cfg.ExNetRoot, dirs))
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.Add ("appdir=", dirs => addDirectories(cfg.AppRoot, dirs))
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.Add ("exappdir=", dirs => addDirectories(cfg.ExAppRoot, dirs))
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.Add ("exclude=", dirs => addDirectories(cfg.Exclude, dirs))
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.Add ("translator-keep-parens=", v => cfg.TranslatorKeepParens = Boolean.Parse(v))
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.Add ("translator-timestamp-files=", v => cfg.TranslatorAddTimeStamp = Boolean.Parse(v))
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.Add ("translator-exception-is-throwable=", v => cfg.TranslatorExceptionIsThrowable = Boolean.Parse(v))
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;
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//TODO: fix enum dump
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// Final argument is translation target
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remArgs = p.Parse (args);
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if (remArgs == null || remArgs.Count == 0)
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// No work
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Environment.Exit(0);
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// Load .Net templates
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foreach (string r in cfg.NetRoot)
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doFile(r, ".xml", addNetTranslation, cfg.ExNetRoot);
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// Load Application Class Signatures (i.e. generate templates)
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if (cfg.AppRoot.Count == 0)
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// By default translation target is application root
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cfg.AppRoot.Add(remArgs[0]);
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foreach (string r in cfg.AppRoot)
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doFile(r, ".cs", addAppSigTranslation, cfg.ExAppRoot); // parse it
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if (cfg.DumpEnums) {
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enumXmlWriter = new XmlTextWriter(cfg.EnumDir, System.Text.Encoding.UTF8);
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}
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if (cfg.DumpXmls)
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{
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// Get package name and convert to directory name
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foreach (KeyValuePair<string,TypeRepTemplate> de in AppEnv)
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{
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String xmlFName = Path.Combine(cfg.XmlDir,
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((string)de.Key).Replace('.', Path.DirectorySeparatorChar) + ".xml");
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String xmlFDir = Path.GetDirectoryName(xmlFName);
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if (!Directory.Exists(xmlFDir))
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{
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Directory.CreateDirectory(xmlFDir);
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}
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XmlSerializer s = new XmlSerializer(de.Value.GetType(), CS2JConstants.TranslationTemplateNamespace);
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TextWriter w = new StreamWriter(xmlFName);
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s.Serialize(w, de.Value);
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w.Close();
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}
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}
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// load in T.stg template group, put in templates variable
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string templateLocation = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, Path.Combine("templates", "java.stg"));
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if (File.Exists(templateLocation)) {
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TextReader groupFileR = new StreamReader(templateLocation);
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templates = new StringTemplateGroup(groupFileR);
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groupFileR.Close();
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}
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else {
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templates = new StringTemplateGroup(new StringReader(Templates.JavaTemplateGroup));
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}
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doFile(remArgs[0], ".cs", translateFile, cfg.Exclude); // parse it
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if (cfg.DumpEnums)
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{
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enumXmlWriter.WriteEndElement();
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enumXmlWriter.Close();
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}
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}
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else
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{
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showUsage();
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}
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}
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catch (System.Exception e)
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{
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Console.Error.WriteLine("exception: " + e);
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Console.Error.WriteLine(e.StackTrace); // so we can get stack trace
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}
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double elapsedTime = ((DateTime.Now.Ticks - startTime) / TimeSpan.TicksPerMillisecond) / 1000.0;
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if (cfg.Verbosity >= 1)
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{
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System.Console.Out.WriteLine("Total run time was {0} seconds.", elapsedTime);
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}
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}
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// Call processFile on all files below f that have the given extension
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public static void doFile(string root, string ext, FileProcessor processFile, IList<string> excludes)
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{
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string canonicalPath = Path.GetFullPath(root);
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// If this is a directory, walk each file/dir in that directory
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if (!excludes.Contains(canonicalPath.ToLower()))
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{
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if (Directory.Exists(canonicalPath))
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{
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string[] files = Directory.GetFileSystemEntries(canonicalPath);
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for (int i = 0; i < files.Length; i++)
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doFile(Path.Combine(canonicalPath, files[i]), ext, processFile, excludes);
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}
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else if ((Path.GetFileName(canonicalPath).Length > ext.Length) && canonicalPath.Substring(canonicalPath.Length - ext.Length).Equals(ext))
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{
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if (cfg.Verbosity >= 2) Console.WriteLine(" " + canonicalPath);
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try
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{
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processFile(canonicalPath);
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}
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catch (Exception e)
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{
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Console.Error.WriteLine("\nCannot process file: " + canonicalPath);
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Console.Error.WriteLine("exception: " + e);
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}
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}
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}
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}
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public static CommonTreeNodeStream parseFile(string fullName)
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{
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if (cfg.Verbosity > 2) Console.WriteLine("Parsing " + Path.GetFileName(fullName));
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ICharStream input = new ANTLRFileStream(fullName);
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PreProcessor lex = new PreProcessor();
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lex.AddDefine(cfg.MacroDefines);
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lex.CharStream = input;
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lex.TraceDestination = Console.Error;
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CommonTokenStream tokens = new CommonTokenStream(lex);
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csParser p = new csParser(tokens);
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p.TraceDestination = Console.Error;
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csParser.compilation_unit_return parser_rt = p.compilation_unit();
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if (parser_rt == null || parser_rt.Tree == null)
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{
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if (lex.FoundMeat)
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{
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Console.WriteLine("No Tree returned from parsing! (Your rule did not parse correctly)");
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}
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else
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{
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// the file was empty, this is not an error.
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}
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return null;
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}
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CommonTreeNodeStream nodes = new CommonTreeNodeStream(parser_rt.Tree);
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nodes.TokenStream = tokens;
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return nodes;
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}
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// Here's where we do the real work...
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public static void addNetTranslation(string fullName)
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{
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Stream s = new FileStream(fullName, FileMode.Open, FileAccess.Read);
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TypeRepTemplate t = TypeRepTemplate.newInstance(s);
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// Fullname has form: <path>/<key>.xml
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AppEnv[t.TypeName+(t.TypeParams != null && t.TypeParams.Length > 0 ? "'" + t.TypeParams.Length.ToString() : "")] = t;
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}
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// Here's where we do the real work...
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public static void addAppSigTranslation(string fullName)
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{
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int saveDebugLevel = cfg.DebugLevel;
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if (!cfg.DebugTemplateExtraction)
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{
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cfg.DebugLevel = 0;
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}
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if (cfg.DebugLevel > 3) Console.Out.WriteLine("Extracting type info from file {0}", fullName);
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ITreeNodeStream csTree = parseFile(fullName);
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if (csTree != null)
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{
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TemplateExtracter templateWalker = new TemplateExtracter(csTree);
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templateWalker.Filename = fullName;
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templateWalker.TraceDestination = Console.Error;
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templateWalker.Cfg = cfg;
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templateWalker.AppEnv = AppEnv;
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templateWalker.compilation_unit();
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}
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cfg.DebugLevel = saveDebugLevel;
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}
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// Here's where we do the real work...
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public static void translateFile(string fullName)
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{
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long startTime = DateTime.Now.Ticks;
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if (cfg.DebugLevel > 3) Console.Out.WriteLine("Translating file {0}", fullName);
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if (cfg.DebugLevel > 5) Console.Out.WriteLine("Parsing file {0}", fullName);
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CommonTreeNodeStream csTree = parseFile(fullName);
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if (cfg.DumpCSharp && csTree != null)
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{
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AntlrUtils.DumpNodesFlat(csTree, "C Sharp Parse Tree");
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csTree.Reset();
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}
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if (csTree != null)
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{
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// Make java compilation units from C# file
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JavaMaker javaMaker = new JavaMaker(csTree);
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javaMaker.Filename = fullName;
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javaMaker.TraceDestination = Console.Error;
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javaMaker.Cfg = cfg;
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javaMaker.CUMap = new Dictionary<string, CUnit>();
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javaMaker.CUKeys = new List<string>();
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if (cfg.DebugLevel > 5) Console.Out.WriteLine("Translating {0} to Java", fullName);
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javaMaker.compilation_unit();
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int saveEmittedCommentTokenIdx = 0;
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for (int i = 0; i < javaMaker.CUKeys.Count; i++)
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{
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string typeName = javaMaker.CUKeys[i];
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CommonTree typeAST = javaMaker.CUMap[typeName].Tree;
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if (cfg.DebugLevel >= 10)
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{
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Console.Out.WriteLine("Namepace Search Path:");
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foreach (String ns in javaMaker.CUMap[typeName].SearchPath)
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{
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Console.Out.WriteLine(ns);
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}
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Console.Out.WriteLine("Namepace Alias Map:");
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for (int j = 0; j < javaMaker.CUMap[typeName].NameSpaceAliasKeys.Count; j++)
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{
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Console.Out.WriteLine("{0} => {1}", javaMaker.CUMap[typeName].NameSpaceAliasKeys[j], javaMaker.CUMap[typeName].NameSpaceAliasValues[j]);
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}
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}
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string claName = typeName.Substring(typeName.LastIndexOf('.')+1);
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string nsDir = typeName.Substring(0,typeName.LastIndexOf('.')).Replace('.', Path.DirectorySeparatorChar);
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if (cfg.CheatDir != "")
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{
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String ignoreMarker = Path.Combine(cfg.CheatDir, Path.Combine(nsDir, claName + ".none"));
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if (File.Exists(ignoreMarker))
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{
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// Don't generate this class
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continue;
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}
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}
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// Make sure parent directory exists
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String javaFDir = Path.Combine(cfg.OutDir, nsDir);
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String javaFName = Path.Combine(javaFDir, claName + ".java");
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if (!Directory.Exists(javaFDir))
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{
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Directory.CreateDirectory(javaFDir);
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}
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if (cfg.CheatDir != "")
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{
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String cheatFile = Path.Combine(cfg.CheatDir, Path.Combine(nsDir, claName + ".java"));
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if (File.Exists(cheatFile))
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{
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// the old switcheroo
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File.Copy(cheatFile, javaFName,true);
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continue;
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}
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}
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// Translate calls to .Net to calls to Java libraries
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CommonTreeNodeStream javaSyntaxNodes = new CommonTreeNodeStream(typeAST);
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if (cfg.DumpJavaSyntax && javaSyntaxNodes != null)
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{
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AntlrUtils.DumpNodesFlat(javaSyntaxNodes, "Java Syntax Parse Tree for " + claName);
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javaSyntaxNodes.Reset();
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}
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javaSyntaxNodes.TokenStream = csTree.TokenStream;
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NetMaker netMaker = new NetMaker(javaSyntaxNodes);
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netMaker.Filename = fullName;
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netMaker.TraceDestination = Console.Error;
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netMaker.Cfg = cfg;
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netMaker.AppEnv = AppEnv;
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netMaker.SearchPath = javaMaker.CUMap[typeName].SearchPath;
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netMaker.AliasKeys = javaMaker.CUMap[typeName].NameSpaceAliasKeys;
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netMaker.AliasNamespaces = javaMaker.CUMap[typeName].NameSpaceAliasValues;
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if (cfg.DebugLevel > 5) Console.Out.WriteLine("Translating {0} Net Calls to Java", javaFName);
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NetMaker.compilation_unit_return javaCompilationUnit = netMaker.compilation_unit();
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CommonTreeNodeStream javaCompilationUnitNodes = new CommonTreeNodeStream(javaCompilationUnit.Tree);
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javaCompilationUnitNodes.TokenStream = csTree.TokenStream;
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if (cfg.DumpJava && javaCompilationUnitNodes != null)
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{
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AntlrUtils.DumpNodesFlat(javaCompilationUnitNodes, "Final Java Parse Tree for " + claName);
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javaCompilationUnitNodes.Reset();
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}
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// Pretty print java parse tree as text
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JavaPrettyPrint outputMaker = new JavaPrettyPrint(javaCompilationUnitNodes);
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outputMaker.Filename = fullName;
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outputMaker.TraceDestination = Console.Error;
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outputMaker.TemplateLib = templates;
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outputMaker.Cfg = cfg;
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outputMaker.EmittedCommentTokenIdx = saveEmittedCommentTokenIdx;
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outputMaker.IsLast = i == (javaMaker.CUKeys.Count - 1);
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if (cfg.DebugLevel > 5) Console.Out.WriteLine("Writing out {0}", javaFName);
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StreamWriter javaW = new StreamWriter(javaFName);
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javaW.Write(outputMaker.compilation_unit().ToString());
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javaW.Close();
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saveEmittedCommentTokenIdx = outputMaker.EmittedCommentTokenIdx;
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}
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}
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double elapsedTime = ((DateTime.Now.Ticks - startTime) / TimeSpan.TicksPerMillisecond) / 1000.0;
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System.Console.Out.WriteLine("Processed {0} in: {1} seconds.", fullName, elapsedTime);
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System.Console.Out.WriteLine("");
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System.Console.Out.WriteLine("");
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}
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}
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}
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