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-jse.3.0-beta1.source-code.luajc Maven / Gradle / Ivy

/*******************************************************************************
* Copyright (c) 2009-2012 Luaj.org. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.List;

import org.luaj.vm2.Lua;
import org.luaj.vm2.lib.jse.JsePlatform;
import org.luaj.vm2.luajc.LuaJC;

/**
 * Compiler for lua files to compile lua sources or lua binaries into java classes. 
 */
public class luajc {
	private static final String version = Lua._VERSION + " Copyright (C) 2012 luaj.org";

	private static final String usage = 
		"usage: java -cp luaj-jse.jar,bcel-5.2.jar luajc [options] fileordir [, fileordir ...]\n" +
		"Available options are:\n" +
		"  -        process stdin\n" +
		"  -s src	source directory\n" +
		"  -d dir	destination directory\n" +
		"  -p pkg	package prefix to apply to all classes\n" +
		"  -m		generate main(String[]) function for JSE\n" +
		"  -r		recursively compile all\n" +
		"  -l		load classes to verify generated bytecode\n" +
		"  -v   	verbose\n";
	
	private static void usageExit() {
		System.out.println(usage);
		System.exit(-1);		
	}

	private String srcdir = ".";
	private String destdir = ".";
	private boolean genmain = false;
	private boolean recurse = false;
	private boolean verbose = false;
	private boolean loadclasses = false;
	private String pkgprefix = null;
	private List files = new ArrayList();

	public static void main( String[] args ) throws IOException {
		new luajc( args );
	}

	private luajc( String[] args ) throws IOException {
		
		// process args
		List seeds = new ArrayList ();
		
		// get stateful args
		for ( int i=0; i= args.length )
						usageExit();
					srcdir = args[i];
					break;
				case 'd':
					if ( ++i >= args.length )
						usageExit();
					destdir = args[i];
					break;
				case 'l':
					loadclasses = true;
					break;
				case 'p':
					if ( ++i >= args.length )
						usageExit();
					pkgprefix = args[i];
					break;
				case 'm':
					genmain = true;
					break;
				case 'r':
					recurse = true;
					break;
				case 'v':
					verbose = true;
					break;
				default:
					usageExit();
					break;
				}
			}
		}
		
		// echo version
		if ( verbose ) {
			System.out.println(version);
			System.out.println("srcdir: "+srcdir);
			System.out.println("destdir: "+destdir);
			System.out.println("files: "+seeds);
			System.out.println("recurse: "+recurse);
		}

		// need at least one seed
		if ( seeds.size() <= 0 ) {
			System.err.println(usage);
			System.exit(-1);
		}

		// collect up files to process
		for ( int i=0; i