Re: Regex to match underscore in function name in Python Mode?

[John Mastro <john.b.mastro@gmail.com>]

Nate Bargmann wrote:
> In C mode I have the following in my ~/.emacs that will highlight a
> function name:
>
> ;; Highlight punctuation in C mode
> (add-hook
>  'c-mode-common-hook
>  (lambda ()
>    (font-lock-add-keywords
>     nil
>     '(("[<>:&*=+^%!~,.?;/-]"
>        0 font-lock-warning-face nil)))
>    ))

I think you may have posted the wrong snippet? This seems to fontify
punctuation characters, not function names.

> In C mode this will highlight all characters in a function name (left
> of the opening parentheses) to the word boundary including
> underscores. I am attempting to use the same for python mode, however,
> the regex matches up to the first underscore, if there is one, but no
> further. I'll admit to not be intimately familiar with Emacs regexes
> and I did try re-builder and was unable to get a match on the
> underscore.
>
> Is it possible that Python Mode is blocking the regex from matching
> underscores?

Is the goal to fontify function names at use sites (e.g. the `foo` in
`foo(0)`) in addition to declaration and definition sites (where they're
already fontified by the major mode)?

        John