dont refer to g:syntastic_python_checker since - due to a previous
commit - this is not guaranteed to exist any more.
This change should have been done in the aforementioned commit - but I
failed.
There are many calls to s:Errors() and s:Warnings(), and previously the
location list was filtered once for each of these calls. This made vim
unusable when handling large location lists (with hundreds of entries).
Now we cache the errors and warnings explicitly when we cache the
location list.
Rework some of the minor methods so that they call s:Errors() or
s:Warnings() (which use the cached data) instead of calling
s:FilterLocList() directly (which is expensive).
Remove the call to deepcopy() and use some alternative logic instead.
This improves performance massively for large location lists. More
aggressive caching is needed really though since this function is called
multiple times to return the same data.
display_errors might be turned of for php globally. In this case the
output of php -l does not contain the errors messages. Using this option
will turn the option on for the single call.
The parameter `g:syntastic_python_checker_args` can be used to pass additional
arguments to the Python syntax checker. Example configuration:
let g:syntastic_python_checker = "flake8"
let g:syntastic_python_checker_args = "--ignore=E501 --max-complexity=10"
Replace the color codes these regexes: /.\{-}/
This is needed for portability since, when using tmux, the output is not
colorized. Also, Im not sure that different terminals will
use the same codes for the colors - but Im no expert.
previously we assumed the user had efm_perl.pl installed as part of the
standard vim runtime, but this isnt so for CentOS and possibly for other
distros - see issue #159. Therefore, we now ship it with syntastic
itself.
Note: efm_perl.pl just munges the output of perl into a different
format. It may be worth investigating further and writing our own
errorformat to remove the dependency on efm_perl.
Javascript and json have multiple syntax checkers that can be loaded.
Previously the logic to determine which checker to load was basically
copied and pasted in both. The `go` checker will soon have more
than one option too so remove the duplication by sticking the
common code in the core.
