I'd go further and say that it is redundant to even say 'source-to-source'. Just 'compiler' is enough, IMHO. See the first few pages of any compiler book. ht

I'd go further and say that it is redundant to even say 'source-to-source'. Just 'compiler' is enough, IMHO. See the first few pages of any compiler book. https://books.google.com/books?id=_tgh4bgQ6PAC&printsec=frontcover&dq=engineering+a+compiler&hl=en&sa=X&ved=0ahUKEwiM3_aVgMXTAhVD0WMKHd1YDtkQ6AEIJjAA#v=onepage&q=engineering%20a%20compiler&f=false https://books.google.com/books?id=_tgh4bgQ6PAC&printsec=fron... Compilers are computer programs that translate a program written in one language into a program written in another language.