Fix bug in luajava.createProxy() and demonstrate its use.

.classpath

@@ -6,6 +6,7 @@
 	<classpathentry kind="src" path="src/script"/>
 	<classpathentry kind="src" path="src/test/java"/>
 	<classpathentry kind="src" path="src/sample"/>
+	<classpathentry kind="src" path="src/test/res"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/3.8.1"/>
 	<classpathentry kind="var" path="WTK_HOME/lib/cldcapi11.jar"/>

src/j2se/org/luaj/lib/j2se/LuajavaLib.java

@@ -38,6 +38,8 @@ import java.util.List;
 import java.util.Map;
 
 import org.luaj.vm.LFunction;
+import org.luaj.vm.LNil;
+import org.luaj.vm.LString;
 import org.luaj.vm.LTable;
 import org.luaj.vm.LUserData;
 import org.luaj.vm.LValue;
@@ -126,7 +128,7 @@ public final class LuajavaLib extends LFunction {
 			final int ninterfaces = Math.max(0,vm.gettop()-2);
 			if ( ninterfaces <= 0 )
 				throw new LuaErrorException("no interfaces");
-			final LValue function = vm.tofunction(-1);
+			final LValue lobj = vm.totable(-1);
 			try {
 				// get the interfaces
 				final Class[] ifaces = new Class[ninterfaces];
@@ -136,12 +138,18 @@ public final class LuajavaLib extends LFunction {
 				// create the invocation handler
 				InvocationHandler handler = new InvocationHandler() {
 					public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
-						vm.pushlvalue(function);
+						vm.pushlvalue(lobj);
-						int n = args.length;
+						vm.getfield( -1, LString.valueOf(method.getName()) );
-						for ( int i=0; i<n; i++ )
+						vm.remove( -2 );
-							vm.pushlvalue( CoerceJavaToLua.coerce(args[i]) );
+						LValue result;
-						vm.call(n, 1);
+						if ( !vm.isnil( -1 ) ) {
-						return CoerceLuaToJava.coerceArg(vm.poplvalue(), method.getReturnType());
+							int n = args.length;
+							for ( int i=0; i<n; i++ )
+								vm.pushlvalue( CoerceJavaToLua.coerce(args[i]) );
+							vm.call(n, 1);
+						}
+						result = vm.poplvalue();
+						return CoerceLuaToJava.coerceArg(result, method.getReturnType());
 					}
 				};
 				

src/sample/org/luaj/sample/LuajavaRunner.java

@@ -24,6 +24,7 @@ package org.luaj.sample;
 import java.io.IOException;
 import java.io.InputStream;
 
+import org.luaj.compiler.LuaC;
 import org.luaj.lib.j2se.LuajavaLib;
 import org.luaj.platform.J2sePlatform;
 import org.luaj.vm.LClosure;
@@ -45,12 +46,13 @@ public class LuajavaRunner {
 	public static void main( String[] args ) throws IOException {
 
 	        Platform.setInstance(new J2sePlatform());
+	        LuaC.install();
 			
 		// new lua state 
 		LuaState state = Platform.newLuaState();
 		
 		// get script name
-		String script = (args.length>0? args[0]: "/swingapp.luac");
+		String script = (args.length>0? args[0]: "/swingapp.lua");
 		System.out.println("loading '"+script+"'");
 		
 		// load the file

src/test/res/swingapp.lua

@@ -18,3 +18,12 @@ jframe = luajava.bindClass( "javax.swing.JFrame" )
 frame:setDefaultCloseOperation(jframe.EXIT_ON_CLOSE)
 frame:pack()
 frame:setVisible(true)
+
+local listener = luajava.createProxy("java.awt.event.MouseListener",
+					{
+						mouseClicked = function(me)
+							print("clicked!", me)
+						end
+					})
+
+frame:addMouseListener(listener)

version.properties

@@ -1 +1 @@
-version: 0.80
+version: 0.81