IKVM.NET AOT Compiler

ikvmaotc.cs

using System.Collections;
using System.Reflection;
using System.IO;
using IKVM.Internal;
using java.lang;
using java.util.zip;
using java.io;
using jessielesbian.IKVM;
using Console = System.Console;
using File = java.io.File;
using ikvm.runtime;

namespace ikvmaotc
{
	public static class Program
	{
		static void Main(string[] args)
		{
			Console.WriteLine("IKVMAOTC v1.0.1: The IKVM.NET Dynamic Optimizing AOT Compiler");
			Console.WriteLine("Made by Jessie Lesbian");
			Console.WriteLine("Email: [email protected] Reddit: https://www.reddit.com/u/jessielesbian");
			Console.WriteLine();
			if(args.Length != 3)
			{
				Console.WriteLine("USAGE: ikvmaotc <input jar> <output assemblies name> <classpath>");
				Console.WriteLine("Example: ikvmaotc libminecraft1.11.2-ikvmsafe.jar IKVM.libminecraft.1.11.2 authlib-1.5.24.jar;codecjorbis-20101023.jar;codecwav-20101023.jar;commons-codec-1.9.jar;commons-compress-1.8.1.jar;commons-io-2.4.jar;commons-lang3-3.3.2.jar;commons-logging-1.1.3.jar;fastutil-7.0.12_mojang.jar;gson-2.2.4.jar;guava-17.0.jar;httpclient-4.3.3.jar;httpcore-4.3.2.jar;icu4j-core-mojang-51.2.jar;jinput-2.0.5.jar;jna-3.4.0.jar;jopt-simple-4.6.jar;jutils-1.0.0.jar;libraryjavasound-20101123.jar;librarylwjglopenal-20100824.jar;log4j-api-2.0-beta9.jar;log4j-core-2.0-beta9.jar;lwjgl-2.9.4-nightly-20150209.jar;lwjgl_util-2.9.4-nightly-20150209.jar;netty-1.6.jar;netty-all-4.0.23.Final.jar;oshi-core-1.1.jar;platform-3.4.0.jar;realms-1.10.16.jar;soundsystem-20120107.jar");
				Console.WriteLine("NOTE: Assembly names are NOT file names, and don't end with .dll");
				return;
			}
			Console.WriteLine("Initializing...");
			string input = args[0];
			string output = args[1];
			string classpath = input + ";" + args[2];
			//The global constant pool is only meant to be used in "truly" dynamic mode. It is there just in case I decide to add a LLVM-based compiler known as IKVMfast or re-implement IKVMCI.
			Helper.DisableGlobalConstantPool = true;
			Helper.FirstDynamicAssemblyName = output;
			Helper.UseSingleDynamicAssembly = true;
			Console.WriteLine("Starting suspended JVM...");
			Hashtable hashtable = new Hashtable();
			hashtable["java.class.path"] = classpath;
			hashtable["sun.java.launcher"] = "SUN_STANDARD";
			Startup.setProperties(hashtable);
			Starter.PrepareForSaveDebugImage();
			Startup.enterMainThread();
			Console.WriteLine("Getting system class loader...");
			ClassLoader classloader = ClassLoader.getSystemClassLoader();
			Console.WriteLine("Opening input file...");
			ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(new File(input)));
			Console.WriteLine("Creating resources file...");
			string tempfile = Path.GetTempFileName();
			ZipOutputStream zipOutputStream = new ZipOutputStream(new FileOutputStream(tempfile));
			zipOutputStream.setLevel(9);
			while(true) {
				ZipEntry ze = zipInputStream.getNextEntry();
				if(ze == null)
				{
					break;
				}
				string filename = ze.name;
				if(filename.EndsWith(".class"))
				{
					string classname = filename.Substring(0, filename.Length - 6).Replace('/', '.');
					Console.WriteLine("Compiling class: " + classname + "...");
					try
					{
						classloader.loadClass(classname);
					}
					catch(System.Exception e)
					{
						Console.WriteLine("Unable to compile class: " + classname + "!");
						Console.WriteLine(e.Message);
					}
				}
				else
				{
					Console.WriteLine("Adding resource: " + filename + "...");
					InputStream IS = classloader.getResourceAsStream(filename);
					zipOutputStream.putNextEntry(new ZipEntry(filename));
					if(!filename.EndsWith("/"))
					{
						zipOutputStream.write(ExtractCurrentFile(IS));
						IS.close();
					}
				}
			}
			Console.WriteLine("Shutting down suspended JVM...");
			Startup.exitMainThread();
			Console.WriteLine("Closing resources file...");
			zipOutputStream.flush();
			zipOutputStream.close();
			Console.WriteLine("Injecting resources...");
			FileStream fileStream = new FileStream(tempfile, FileMode.Open, FileAccess.Read);
			Helper.FirstDynamicAssembly.GetDynamicModule(output).DefineManifestResource("resources.jar", fileStream, ResourceAttributes.Public);
			Console.WriteLine("Saving assemblies...");
			Starter.SaveDebugImage();
			Console.WriteLine("Deleting resources file...");
			fileStream.Dispose();
			System.IO.File.Delete(tempfile);
		}
		private static byte[] ExtractCurrentFile(InputStream input)
		{
			MemoryStream memoryStream = new MemoryStream();
			memoryStream.Capacity = 65536;
			byte[] buffer = new byte[65536];
			while(true)
			{
				int read = input.read(buffer, 0, buffer.Length);
				if(read <= 0)
				{
					byte[] bytes = memoryStream.ToArray();
					memoryStream.Dispose();
					return bytes;
				}
				else
				{
					memoryStream.Capacity += 65536;
				}
				memoryStream.Write(buffer, 0, read);
			}
		}
	}
}