Re: [CEDET-devel] Determine if a region has invalid syntax

[Tu Do <tuh...@gm...>]

I intend to do a function extraction, but want to prevent user to do so
when the selected region is not well formed. Just simple checking is enough.

Thanks for the answer.

On Wed, Feb 4, 2015 at 8:00 PM, Eric Ludlam <eri...@gm...> wrote:

> On 02/04/2015 06:20 AM, Tu Do wrote:
>
>> Hi Eric,
>>
>> Is there a way to determine if a selected region is syntactically
>> correct? Something that answers t or nil is good enough.
>>
>
> Hi,
>
> The answer depends on the parser, and most of the parsers only scan the
> declarations, and skip the contents of functions.  Thus, if you are looking
> for correctness of "code", you are better off with flymake and a linter, or
> something similar.
>
> If you are ok with only checking the declaration of functions, etc, there
> is a hook `semantic-unmatched-syntax-hook' that tells you when there is
> bad syntax as it is parsed.  You are probably more interested in
> `global-semantic-show-unmatched-syntax-mode'.  There are a bunch of fcns
> related to that which will probably help you with your task.
>
> Eric
>