US Patent 7561927 Numerical controller which can call program described in script language

A program interpreter which interprets and executes a numerical control program can recognize predetermined mnemonics (script mnemonics) prepared for instructions for setting, loading, and executing script programs. When the program interpreter recognizes the script mnemonic during interpretation and execution of the numerical control program, the program interpreter instructs execution of the script program (instance) indicated in the parameter of the mnemonic to a script engine. The script engine executes the instructed script program.