private static CodeGenerator newCodeGenerator() {
switch (optimize) {
case COMPILE:
return new ASMCodeGenerator(aviatorClassLoader, Boolean.valueOf(System.getProperty("aviator.asm.trace",
"false")));
case EVAL:
return new OptimizeCodeGenerator(aviatorClassLoader, Boolean.valueOf(System.getProperty(
"aviator.asm.trace", "false")));
default: