syntastic/syntax_checkers/python/pylint.vim

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"============================================================================
"File: pylint.vim
"Description: Syntax checking plugin for syntastic.vim
"Author: Parantapa Bhattacharya <parantapa at gmail dot com>
"
"============================================================================
refactor how we represent and store checkers using python as a demo Add 2 classes: SyntasticChecker and SyntasticRegistry. SyntasticChecker represents a checker. It holds funcrefs to the checker func, the highlight regex func and a new `isAvailable()` func (that essentially just checks if the checker exe is installed) SyntasticRegistry is responsible for: * loading checkers * storing checkers * fetching the checkers to use according to availability and the users settings Motivation/benefits: * in the current system only one checker can be loaded per filetype * syntax checkers cant be "chained" together * the system is hard to add features to since fundamental concepts like syntax checkers and location lists arent represented explicitly Things left to do: * add a call to g:SyntasticRegistry.CreateAndRegisterChecker() to all checkers * add an `isAvailable` function to all checkers * move all checkers into `syntax_checkers/filetype/checkername.vim` - g:SyntasticRegistry assumes this layout, and its a good idea anyway for consistency and it makes it easier for users to add their own checkers Things to do after all of the above: * add a LocationList class and move all the filtering functions onto it * possibly add an Error class that wraps up each item in a loc list Random notes: * with the new system you can select the checkers to use with e.g. `let g:syntastic_python_checkers=['flake8', 'pylint']` This will try flake8 first, and if no errors are detected it will move onto pylint.
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function! SyntaxCheckers_python_pylint_IsAvailable()
return executable('pylint')
endfunction
function! SyntaxCheckers_python_pylint_GetLocList()
let makeprg = syntastic#makeprg#build({
\ 'exe': 'pylint',
\ 'args': ' -f parseable -r n -i y',
\ 'subchecker': 'pylint' })
let errorformat = '%f:%l:%m,%Z,%-GNo config %m'
let loclist=SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
let n = len(loclist) - 1
while n >= 0
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let loclist[n]['type'] = match(['R', 'C', 'W'], loclist[n]['text'][2]) >= 0 ? 'W' : 'E'
let n -= 1
endwhile
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return sort(loclist, 's:CmpLoclist')
endfunction
function! s:CmpLoclist(a, b)
return a:a['lnum'] - a:b['lnum']
endfunction
refactor how we represent and store checkers using python as a demo Add 2 classes: SyntasticChecker and SyntasticRegistry. SyntasticChecker represents a checker. It holds funcrefs to the checker func, the highlight regex func and a new `isAvailable()` func (that essentially just checks if the checker exe is installed) SyntasticRegistry is responsible for: * loading checkers * storing checkers * fetching the checkers to use according to availability and the users settings Motivation/benefits: * in the current system only one checker can be loaded per filetype * syntax checkers cant be "chained" together * the system is hard to add features to since fundamental concepts like syntax checkers and location lists arent represented explicitly Things left to do: * add a call to g:SyntasticRegistry.CreateAndRegisterChecker() to all checkers * add an `isAvailable` function to all checkers * move all checkers into `syntax_checkers/filetype/checkername.vim` - g:SyntasticRegistry assumes this layout, and its a good idea anyway for consistency and it makes it easier for users to add their own checkers Things to do after all of the above: * add a LocationList class and move all the filtering functions onto it * possibly add an Error class that wraps up each item in a loc list Random notes: * with the new system you can select the checkers to use with e.g. `let g:syntastic_python_checkers=['flake8', 'pylint']` This will try flake8 first, and if no errors are detected it will move onto pylint.
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call g:SyntasticRegistry.CreateAndRegisterChecker({
\ 'filetype': 'python',
\ 'name': 'pylint' })