Let ant build download bcel jar as needed.

.classpath

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src/core"/>
-	<classpathentry kind="src" path="src/jse"/>
+	<classpathentry excluding="org/luaj/vm2/luajc/antlr/|org/luaj/vm2/luajc/lst/|org/luaj/vm2/luajc/JavaCodeGenerator.java" kind="src" path="src/jse"/>
 	<classpathentry kind="src" path="src/jme"/>
 	<classpathentry kind="src" path="test/java"/>
 	<classpathentry kind="src" path="test/junit"/>

.cvsignore

@@ -1,6 +1,7 @@
 bin
 target
 build
+lib
 luaj*.jar
 jit
 *.ser

build.xml

@@ -8,12 +8,14 @@
 
 	<import file="wtk.xml"/>
 
+	<!--
 	<property name="antlr.version"     value="3.1.3"/>
 	<property name="antlr.home"        value="${env.ANTLR_HOME}"/>
 	<property name="antlr.tool.jar"    value="${antlr.home}/lib/antlr-${antlr.version}.jar"/>
 	<property name="antlr.runtime.jar" value="${antlr.home}/lib/antlr-runtime-${antlr.version}.jar"/>
 	<property name="grammar.dir"       value="src/jse/org/luaj/vm2/luajc/antlr"/>	
 	<property name="grammar.name"      value="Lua"/>
+	-->	
 
 	<target name="clean">
 		<delete dir="build"/>
@@ -22,44 +24,48 @@
 		</delete>
 	</target>
 
-	<target name="generate">
+	<available file="lib/bcel-5.2.jar" property="bcel.lib.exists"/>			
-		<fail unless="env.ANTLR_HOME" message="ANTLR_HOME must be set."/>
+
-	        <available file="${antlr.tool.jar}" property="antlr.tool.exists"/>
+	<target name="bcel-lib" unless="bcel.lib.exists">
-		<fail unless="antlr.tool.exists" message="ANTLR tool not found: ${antlr.tool.jar}"/>
+		<mkdir dir="lib"/>
-		<echo>Generating files using ${antlr.tool.jar}</echo>
+		<get src="http://archive.apache.org/dist/jakarta/bcel/binaries/bcel-5.2.tar.gz" dest="lib/bcel-5.2.tar.gz"/>
-		<java classpath="${antlr.tool.jar}" 
+		<gunzip src="lib/bcel-5.2.tar.gz" dest="lib/bcel-5.2.tar"/>
-			classname="org.antlr.Tool" 
+		<untar src="lib/bcel-5.2.tar" dest="lib" overwrite="true">
-			dir="${grammar.dir}" 
+		    <patternset>
-			fork="true"
+		        <include name="**/*.jar"/>
-			failonerror="true">
+		    </patternset>
-			<arg line="${grammar.name}.g"/>
+		    <mapper type="flatten"/>
-		</java>
+		</untar>
 	</target>
 		
-	<target name="compile" depends="wtk-or-fail">
+	<target name="compile" depends="wtk-or-fail,bcel-lib">
 		<mkdir dir="build/core/src"/>
 		<mkdir dir="build/core/classes"/>
 		<mkdir dir="build/jme/classes"/>
 		<mkdir dir="build/jse/classes"/>
 		<copy todir="build/core/src">
-			<fileset dir="src/core"/>
+			<fileset dir="src/core">
+				<include name="**/Lua.java"/>
+			</fileset>
 			<filterchain>
 				<tokenfilter>
 			  	    <replacestring from='"Luaj 0.0"' to='"Luaj ${version}"'/>
 				</tokenfilter>
 			</filterchain>
 		</copy>
-		<javac destdir="build/core/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs">
+		<javac destdir="build/core/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs"
-			<src path="build/core/src"/>
+			srcdir="src/core"/>
-		</javac>
+		<javac destdir="build/core/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs"
-		<javac destdir="build/jme/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs">
+			classpath="build/core/classes"
-			<classpath path="build/core/classes"/>
+			srcdir="build/core/src"
-			<src path="src/jme"/>
+			excludes="**/Lua.java"/>
-		</javac>
+		<javac destdir="build/jme/classes" encoding="utf-8" source="1.3" target="1.2" bootclasspathref="wtk-libs"
-		<javac destdir="build/jse/classes" encoding="utf-8" source="1.5" target="1.5">
+			classpath="build/core/classes"
-			<classpath path="build/core/classes;${antlr.runtime.jar}"/>
+			srcdir="src/jme"/>
-			<src path="src/jse"/>
+		<javac destdir="build/jse/classes" encoding="utf-8" source="1.5" target="1.5"
-		</javac>
+			classpath="build/core/classes;lib/bcel-5.2.jar"
+			srcdir="src/jse"
+			excludes="**/antlr/**,**/lst/**,**/JavaCodeGenerator.java" />
 	</target>
 	
 	<target name="jar-jme" depends="compile">
@@ -107,6 +113,9 @@
 		<copy todir="build/luaj-${version}/src">
 		    <fileset dir="src">
 				<exclude name="src/test/**"/>
+				<exclude name="**/antlr/**"/>
+				<exclude name="**/lst/**"/>
+				<exclude name="**/JavaCodeGenerator.java"/>
 		    </fileset>
 		</copy>
 		<copy todir="build/luaj-${version}/test">

src/jse/luajc.java

@@ -28,7 +28,7 @@ import java.io.OutputStream;
 
 import org.luaj.vm2.Lua;
 import org.luaj.vm2.compiler.DumpState;
-import org.luaj.vm2.luajc.antlr.AntlrLuaJCompiler;
+import org.luaj.vm2.luajc.JavaBytecodeCompiler;
 
 
 /**
@@ -41,7 +41,6 @@ public class luajc {
 		"usage: java -cp luaj-jse.jar,antlr-3.1.3.jar luajc [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" +
@@ -55,7 +54,6 @@ public class luajc {
 		System.exit(-1);		
 	}
 
-	private boolean list = false;
 	private String output = "luacj.out";
 	private boolean parseonly = false;
 	private boolean stripdebug = false;
@@ -80,9 +78,6 @@ public class luajc {
 					// input file - defer to next stage
 				} else {
 					switch ( args[i].charAt(1) ) {
-					case 'l':
-						list = true;
-						break;
 					case 'o':
 						if ( ++i >= args.length )
 							usageExit();
@@ -157,16 +152,12 @@ public class luajc {
 	private void processScript( InputStream script, String chunkname, OutputStream out ) throws IOException {
 		try {
 	        // create the chunk
-	        String source = AntlrLuaJCompiler.compile(script, chunkname);
+			byte[] bytes = JavaBytecodeCompiler.loadClass(script, chunkname);
-
-	        // list the chunk
-	        if (list)
-	        	System.out.println(source);
 
 	        // write out the chunk
 	        if (!parseonly) {
 	        	FileOutputStream fos = new FileOutputStream( chunkname+".java" );
-	        	fos.write( source.getBytes() );
+	        	fos.write( bytes );
 	        	fos.close();
 	        }
 	        

src/jse/org/luaj/vm2/luajc/JavaBytecodeCompiler.java

@@ -74,15 +74,17 @@ public class JavaBytecodeCompiler implements LuaCompiler {
 		return luac.compile(firstByte, stream, chunkname);
 	}
 
+	/** Compile and load a chunk 
+	 * @throws IOException */
+	public static byte[] loadClass(InputStream is, String filename) throws IOException {
+		return getInstance().loadClass( is.read(), is, filename );
+	}
+	
 	/** Compile into class form. */
 	public LuaFunction load(int firstByte, InputStream stream, String filename, LuaValue env) throws IOException {
 		Prototype p = compile( firstByte, stream, filename);
 		try {
-			String classname = filename.endsWith(".lua")? filename.substring(0,filename.length()-4): filename;
+			Class c = gen.toJavaBytecode(p, toClassname(filename), toSourcename(filename));
-			classname = classname.replace('/', '.');
-			classname = classname.replace('\\', '.');
-			String sourcename = filename.substring( filename.lastIndexOf('/')+1 );
-			Class c = gen.toJavaBytecode(p, classname, sourcename);
 			Object o = c.newInstance();
 			LuaFunction f = (LuaFunction) o;
 			f.setfenv(env);
@@ -91,7 +93,24 @@ public class JavaBytecodeCompiler implements LuaCompiler {
 			t.printStackTrace();
 			return new LuaClosure( p, env );
 		}
+	}
 		
+	/** Compile into a class */
+	private byte[] loadClass(int firstByte, InputStream stream, String filename) throws IOException {
+		Prototype p = compile(firstByte, stream, filename);
+		return gen.generateBytecode(p, toClassname(filename), toSourcename(filename));
+	}
+	
+	/** Convert filename to class name */
+	private static final String toClassname( String filename ) {
+		String classname = filename.endsWith(".lua")? filename.substring(0,filename.length()-4): filename;
+		classname = classname.replace('/', '.');
+		classname = classname.replace('\\', '.');
+		return classname;
+	}
+	
+	private static final String toSourcename( String filename ) {
+		return filename.substring( filename.lastIndexOf('/')+1 );
 	}
 
 }

src/jse/org/luaj/vm2/luajc/JavaBytecodeGenerator.java

@@ -23,6 +23,7 @@ package org.luaj.vm2.luajc;
 import java.io.ByteArrayOutputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.util.Hashtable;
 
 import org.apache.bcel.Constants;
 import org.apache.bcel.classfile.Field;
@@ -60,8 +61,6 @@ import org.luaj.vm2.Prototype;
 import org.luaj.vm2.Varargs;
 import org.luaj.vm2.lib.VarArgFunction;
 
-import com.sun.org.apache.xalan.internal.xsltc.runtime.Hashtable;
-
 
 public class JavaBytecodeGenerator {
 	public static boolean DUMPCLASSES = "true".equals(System.getProperty("DUMPCLASSES"));
@@ -164,7 +163,7 @@ public class JavaBytecodeGenerator {
 		return (i >> 14) & 0x1ff;
 	}	
 
-	private byte[] generateBytecode(Prototype p, String classname, String filename)
+	byte[] generateBytecode(Prototype p, String classname, String filename)
 			throws IOException {
 
 		// compile our class next
@@ -211,6 +210,7 @@ public class JavaBytecodeGenerator {
 							k[i].getName(), k[i].getType()));
 					break;
 				case LuaValue.TSTRING:
+					// TODO: quote non-utf8 byte sequences
 					il.append(new PUSH(cp, ki.toString()));
 					il.append(factory.createInvoke(STR_LUASTRING, "valueOf",
 							TYPE_LUASTRING, new Type[] { Type.STRING },

src/jse/org/luaj/vm2/luajc/LuaJCompiler.java

@@ -35,7 +35,6 @@ import javax.tools.ToolProvider;
 import javax.tools.JavaCompiler.CompilationTask;
 
 import org.luaj.vm2.LuaValue;
-import org.luaj.vm2.luajc.antlr.AntlrLuaJCompiler;
 
 public class LuaJCompiler {
 
@@ -47,7 +46,8 @@ public class LuaJCompiler {
 	}
 	
 	public static String compileToJava( InputStream luaSource, String chunkName ) throws Exception {
-		return AntlrLuaJCompiler.compile( luaSource, chunkName );
+		// return AntlrLuaJCompiler.compile( luaSource, chunkName );
+		throw new RuntimeException( "not supported" );
 	}
 	
 	

version.properties

@@ -1,2 +1,2 @@
 # on the way to version 2.0
-version: 1.9.50
+version: 1.9.51