Hi David,
2013/5/24 David Kastrup <[email protected]>:
> Mosè Giordano <[email protected]> writes:
>
>> It seems `LaTeX-verbatim-p' is the bottleneck when executing
>> `TeX-in-comment' in latex mode. The attached patch should speedup
>> `LaTeX-verbatim-p' (and so `LaTeX-current-environment' with
>> `TeX-in-comment') when `font-latex-faces-present-p' is available,
>> otherwise it is still really slow. Is there any objection?
>
> Doesn't this only work on fontified regions of the buffer?
Now, the body of `LaTeX-verbatim-p' is
--8<---------------cut here---------------start------------->8---
(or (when (fboundp 'font-latex-faces-present-p)
(font-latex-faces-present-p 'font-latex-verbatim-face))
(member (LaTeX-current-verbatim-macro)
(LaTeX-verbatim-macros-with-delims))
(member (TeX-current-macro) (LaTeX-verbatim-macros-with-braces))
(member (LaTeX-current-environment) (LaTeX-verbatim-environments)))
--8<---------------cut here---------------end--------------->8---
If `font-latex-faces-present-p' is not available or
`(font-latex-faces-present-p 'font-latex-verbatim-face)' returns nil
the next tests are performed and they are slow, above all the
`LaTeX-current-environment' one.
With my patch it becomes
--8<---------------cut here---------------start------------->8---
(if (fboundp 'font-latex-faces-present-p)
(font-latex-faces-present-p 'font-latex-verbatim-face)
(or (member (LaTeX-current-verbatim-macro)
(LaTeX-verbatim-macros-with-delims))
(member (TeX-current-macro) (LaTeX-verbatim-macros-with-braces))
(member (LaTeX-current-environment) (LaTeX-verbatim-environments))))
--8<---------------cut here---------------end--------------->8---
If `font-latex-faces-present-p' is available
`(font-latex-faces-present-p 'font-latex-verbatim-face)' will be the
only test performed whatever the result, otherwise the member tests
are performed and I have no idea about how to speedup them. So yes,
the difference is apparent only in fontified regions, but
fontification is on by default, so I assume many people use it.
Bye,
Mosè
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