def METHOD_NAME(self, args):
    if is_osx:
        return self.run_tool("/Library/Frameworks/Mono.framework/Versions/Current/Commands/ilasm", args)
    elif is_posix:
        return self.run_tool("/usr/bin/ilasm", args)
    else:
        return self.run_tool(os.path.join(self.get_clr_dir(),"ilasm.exe"), args)