Nope, you had it right. Visitor thoroughly confuses me in the context of parsing... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		mrkeen 4 months ago \| parent \| context \| favorite \| on: Working through 'Writing A C Compiler' Nope, you had it right. Visitor thoroughly confuses me in the context of parsing (maybe in all contexts.) visit and accept are not the verbs I want to be seeing in the code. I want to see then, or, and try.

almostgotcaught 4 months ago [–]

Parsers "accept" or "reject" programs. It's completely standard language.

mrkeen 4 months ago | [–]

Alright, so where can I read more about the visitor pattern's "reject" method?

almostgotcaught 4 months ago | | [–]

> all other tokens should flag an error

Ie the link I posted above

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact