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Luaj 2.0 for the jse platform
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/*******************************************************************************
* Copyright (c) 2009 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.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import org.luaj.vm2.Globals;
import org.luaj.vm2.Lua;
import org.luaj.vm2.Print;
import org.luaj.vm2.Prototype;
import org.luaj.vm2.compiler.DumpState;
import org.luaj.vm2.lib.jse.JsePlatform;
/**
* Compiler for lua files to lua bytecode.
*/
public class luac {
private static final String version = Lua._VERSION + "Copyright (C) 2009 luaj.org";
private static final String usage =
"usage: java -cp luaj-jse.jar luac [options] [filenames].\n" +
"Available options are:\n" +
" - process stdin\n" +
" -l list\n" +
" -o name output to file 'name' (default is \"luac.out\")\n" +
" -p parse only\n" +
" -s strip debug information\n" +
" -e little endian format for numbers\n" +
" -i number format 'n', (n=0,1 or 4, default="+DumpState.NUMBER_FORMAT_DEFAULT+")\n" +
" -v show version information\n" +
" -c enc use the supplied encoding 'enc' for input files\n" +
" -- stop handling options\n";
private static void usageExit() {
System.out.println(usage);
System.exit(-1);
}
private boolean list = false;
private String output = "luac.out";
private boolean parseonly = false;
private boolean stripdebug = false;
private boolean littleendian = false;
private int numberformat = DumpState.NUMBER_FORMAT_DEFAULT;
private boolean versioninfo = false;
private boolean processing = true;
private String encoding = null;
public static void main( String[] args ) throws IOException {
new luac( args );
}
private luac( String[] args ) throws IOException {
// process args
try {
// get stateful args
for ( int i=0; i= args.length )
usageExit();
output = args[i];
break;
case 'p':
parseonly = true;
break;
case 's':
stripdebug = true;
break;
case 'e':
littleendian = true;
break;
case 'i':
if ( args[i].length() <= 2 )
usageExit();
numberformat = Integer.parseInt(args[i].substring(2));
break;
case 'v':
versioninfo = true;
break;
case 'c':
if ( ++i >= args.length )
usageExit();
encoding = args[i];
break;
case '-':
if ( args[i].length() > 2 )
usageExit();
processing = false;
break;
default:
usageExit();
break;
}
}
}
// echo version
if ( versioninfo )
System.out.println(version);
// open output file
OutputStream fos = new FileOutputStream( output );
// process input files
try {
Globals globals = JsePlatform.standardGlobals();
processing = true;
for ( int i=0; i