77 lines
2.5 KiB
Java
77 lines
2.5 KiB
Java
package org.luaj.vm2.luajc;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
|
|
import org.luaj.vm2.LuaFunction;
|
|
import org.luaj.vm2.LuaValue;
|
|
import org.luaj.vm2.Prototype;
|
|
|
|
/*******************************************************************************
|
|
* Copyright (c) 2010 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.
|
|
******************************************************************************/
|
|
public class JavaLoader extends ClassLoader {
|
|
|
|
private final LuaValue env;
|
|
|
|
private Map<String,byte[]> unloaded = new HashMap<String,byte[]>();
|
|
|
|
public JavaLoader( LuaValue env ) {
|
|
this.env = env;
|
|
}
|
|
|
|
public LuaFunction load( Prototype p, String classname, String filename ) {
|
|
JavaGen jg = new JavaGen( p, classname, filename );
|
|
return load( jg );
|
|
}
|
|
|
|
public LuaFunction load( JavaGen jg ) {
|
|
include( jg );
|
|
return load( jg.classname );
|
|
}
|
|
|
|
public LuaFunction load(String classname) {
|
|
try {
|
|
Class c = loadClass( classname );
|
|
LuaFunction v = (LuaFunction) c.newInstance();
|
|
v.setfenv(env);
|
|
return v;
|
|
} catch ( Exception e ) {
|
|
e.printStackTrace();
|
|
throw new IllegalStateException("bad class gen: "+e);
|
|
}
|
|
}
|
|
|
|
public void include( JavaGen jg ) {
|
|
unloaded.put( jg.classname, jg.bytecode );
|
|
for ( int i=0; i<jg.inners.length; i++ )
|
|
include( jg.inners[i] );
|
|
}
|
|
|
|
public Class findClass(String classname) throws ClassNotFoundException {
|
|
byte[] bytes = unloaded.get(classname);
|
|
if ( bytes != null )
|
|
return defineClass(classname, bytes, 0, bytes.length);
|
|
return super.findClass(classname);
|
|
}
|
|
|
|
}
|