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package org.classdump.luna.load;
import org.classdump.luna.Variable;
import org.classdump.luna.runtime.LuaFunction;
/**
* Convenience class to instantiate a main chunk that the compiler produces.
*
* This class avoids having to use reflection (and deal with the related Exceptions) in user code.
*/
public class ChunkFactory {
private final Class> chunk;
private final String chunkName;
public ChunkFactory(Class> chunk, String chunkName) {
this.chunk = chunk;
this.chunkName = chunkName;
}
/**
* Creates a new instance of the compiled chunk with the given "_ENV" upvalue.
*
* @param env the _ENV upvalue for this instance, should not be shared between scripts.
* @return a new script instance
* @throws LoaderException when the script could not be instantiated.
*/
public LuaFunction newInstance(Variable env) throws LoaderException {
try {
return chunk.getConstructor(Variable.class).newInstance(env);
} catch (RuntimeException | LinkageError | ReflectiveOperationException e) {
throw new LoaderException(e, chunkName, 0, false);
}
}
}