Fixes to class generation logic.

src/jse/luajc.java

@@ -25,12 +25,15 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.util.Enumeration;
+import java.util.Hashtable;
 
 import org.luaj.vm2.Lua;
 import org.luaj.vm2.compiler.DumpState;
 import org.luaj.vm2.luajc.JavaBytecodeCompiler;
 
 
+
 /**
  * Compiler for lua files to compile lua sources into java sources. 
  */
@@ -152,13 +155,20 @@ public class luajc {
 	private void processScript( InputStream script, String chunkname, OutputStream out ) throws IOException {
 		try {
 	        // create the chunk
-			byte[] bytes = JavaBytecodeCompiler.loadClass(script, chunkname);
+			Hashtable t = JavaBytecodeCompiler.loadClasses(script, chunkname);
 
 	        // write out the chunk
 	        if (!parseonly) {
-	        	FileOutputStream fos = new FileOutputStream( chunkname+".java" );
+	        	for ( Enumeration e = t.keys(); e.hasMoreElements(); ) {
-	        	fos.write( bytes );
+	        		String key = (String) e.nextElement();
-	        	fos.close();
+	        		byte[] bytes = (byte[]) t.get(key);
+	        		String filename = key + ".class";
+	    			if ( versioninfo )
+	    				System.out.println(filename+": "+bytes.length+" bytes");
+		        	FileOutputStream fos = new FileOutputStream( filename );
+		        	fos.write( bytes );
+		        	fos.close();
+	        	}
 	        }
 	        
 		} catch ( Throwable t ) {

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

@@ -94,17 +94,18 @@ public class JavaBytecodeCompiler implements LuaCompiler {
 
 	/** Compile all classes produced by a prototype, and put results in a hashtable */
 	public static Hashtable loadClasses( InputStream stream, String filename ) throws IOException {
+		if ( LoadState.compiler == null )
+			install();
 		Prototype p = LoadState.compile( stream, filename );
 		Hashtable t = new Hashtable();
 		getInstance().genClass(t, p, toClassname(filename), toSourcename(filename));
 		return t;
 	}
 	
-	private void genClass( Hashtable t, Prototype p, String className, String sourceName ) throws IOException {
+	private void genClass( Hashtable t, Prototype p, String classname, String sourceName ) throws IOException {
-		for ( int i=0, n=p.p!=null? p.p.length: 0; i<n; i++ ) {
+		t.put( classname, gen.generateBytecode( p, classname, sourceName ) );
-			String name = className + "$" + i; 
+		for ( int i=0, n=p.p!=null? p.p.length: 0; i<n; i++ )
-			t.put( name, gen.generateBytecode( p.p[i], name, sourceName ) );
+			genClass( t, p.p[i], classname + "$" + i, sourceName );
-		}
 	}
 	
 	public LuaFunction load(Prototype p, String filename, LuaValue env) {

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

@@ -813,6 +813,7 @@ public class JavaBytecodeGenerator {
 			                    c = code[pc++];
 			                int offset = (c-1) * Lua.LFIELDS_PER_FLUSH;
 			                //o = stack[a];
+							ih[pc] = 
 							loadLocal(a);		                
 			                if ( (b=B(i)) == 0 ) {
 			                	int j=1;
@@ -914,9 +915,13 @@ public class JavaBytecodeGenerator {
 					}
 			  }
 	
+			// self-check
+			
 			// resolve branches
 			for (pc = 0; pc < nc; pc++) {
 				if (branches[pc] != null) {
+					if ( ih[targets[pc]] == null )
+						 throw new IllegalArgumentException("no target at "+targets[pc]+" op="+OP(code[targets[pc]]));
 					branches[pc].setTarget(ih[targets[pc]]);
 				}
 			}