Interestingly there is another article by Walter Bright on writing your own compiler on DrDobbs [1] in which he explicitly recommends to write the parser yourse

Interestingly there is another article by Walter Bright on writing your own compiler on DrDobbs [1] in which he explicitly recommends to write the parser yourself and I have received similar advice by others that know how to implement compilers. My personal experience in implementing a subset of C turned out similar. [1]: http://www.drdobbs.com/architecture-and-design/so-you-want-to-write-your-own-language/240165488 http://www.drdobbs.com/architecture-and-design/so-you-want-t...