regex - How to match everything except a particular pattern after/before a specific string constant - 


ats(inline, const, unused) /* variadic macro */ ots(inline, const, unused)

i'm trying match inline, const, unused keywords only in ats macro. tried ats([^,]*) matches inline keyword.

edit: need change color of ats parameters. works on first parameter.

(font-lock-add-keywords nil   '(("ats(\\([^,]*\\)" 1 font-lock-builtin-face)))

you can use anchored font-lock rule. it's search within search. code below searches ast(. once it's found, find end of argument list , performs search words within it.

(defun foo ()   (interactive)   (setq font-lock-multiline t)   (font-lock-add-keywords    nil    '(("\\_<ats("       ("\\_<\\sw+\\_>"        ;; pre-match form -- limit sub-search end of argument list.        (save-excursion          (goto-char (match-end 0))          (backward-char)          (ignore-errors            (forward-sexp))          (point))        ;; post-match form        (goto-char (match-end 0))        (0 font-lock-builtin-face))))))

this match words inside parentheses, if spread out across multiple lines.

the pre-match form has 2 purposes: can position point suitable locations , controls extend of sub-search (where nil means end of line). post-match form can, example, used return point position other keyword rules.

this can, of course, extended highlight specific set of words, leave exercise.


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