Use syntastic instead of pyflakes (supports a ton of more languages)

sources_non_forked/syntastic/syntax_checkers/cpp/cppcheck.vim

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+"============================================================================
+"File:        cppcheck.vim
+"Description: Syntax checking plugin for syntastic.vim using cppcheck.pl
+"Maintainer:  LCD 47 <lcd047 at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"============================================================================
+"
+" The setting 'g:syntastic_cppcheck_config_file' allows you to define a file
+" that contains additional compiler arguments like include directories or
+" CFLAGS. The file is expected to contain one option per line. If none is
+" given the filename defaults to '.syntastic_cppcheck_config':
+"
+"   let g:syntastic_cppcheck_config_file = '.config'
+
+if exists("g:loaded_syntastic_cpp_cppcheck_checker")
+    finish
+endif
+let g:loaded_syntastic_cpp_cppcheck_checker = 1
+
+if !exists('g:syntastic_cppcheck_config_file')
+    let g:syntastic_cppcheck_config_file = '.syntastic_cppcheck_config'
+endif
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_cpp_cppcheck_GetLocList() dict
+    let makeprg = self.makeprgBuild({
+        \ 'args': syntastic#c#ReadConfig(g:syntastic_cppcheck_config_file),
+        \ 'args_after': '-q --enable=style' })
+
+    let errorformat =
+        \ '[%f:%l]: (%trror) %m,' .
+        \ '[%f:%l]: (%tarning) %m,' .
+        \ '[%f:%l]: (%ttyle) %m,' .
+        \ '[%f:%l]: (%terformance) %m,' .
+        \ '[%f:%l]: (%tortability) %m,' .
+        \ '[%f:%l]: (%tnformation) %m,' .
+        \ '[%f:%l]: (%tnconclusive) %m,' .
+        \ '%-G%.%#'
+
+    let loclist = SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'returns': [0] })
+
+    for e in loclist
+        if e['type'] =~? '\m^[SPI]'
+            let e['type'] = 'w'
+            let e['subtype'] = 'Style'
+        endif
+    endfor
+
+    return loclist
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'cpp',
+    \ 'name': 'cppcheck'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/cpp/cpplint.vim

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+"============================================================================
+"File:        cpplint.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  LCD 47 <lcd047 at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+"
+" For details about cpplint see:
+"    https://code.google.com/p/google-styleguide/
+"
+" Checker options:
+"
+" - g:syntastic_cpp_cpplint_thres (integer; default: 5)
+"   error threshold: policy violations with a severity above this
+"   value are highlighted as errors, the others are warnings
+"
+" - g:syntastic_cpp_cpplint_args (string; default: '--verbose=3')
+"   command line options to pass to cpplint
+
+if exists("g:loaded_syntastic_cpp_cpplint_checker")
+    finish
+endif
+let g:loaded_syntastic_cpp_cpplint_checker = 1
+
+if !exists('g:syntastic_cpp_cpplint_thres')
+    let g:syntastic_cpp_cpplint_thres = 5
+endif
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_cpp_cpplint_GetLocList() dict
+    let makeprg = self.makeprgBuild({ 'args': '--verbose=3' })
+
+    let errorformat = '%A%f:%l:  %m [%t],%-G%.%#'
+
+    let loclist = SyntasticMake({
+        \ 'makeprg': makeprg,
+        \ 'errorformat': errorformat,
+        \ 'subtype': 'Style',
+        \ 'returns': [0, 1] })
+
+    " change error types according to the prescribed threshold
+    for e in loclist
+        let e['type'] = e['type'] < g:syntastic_cpp_cpplint_thres ? 'W' : 'E'
+    endfor
+
+    return loclist
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'cpp',
+    \ 'name': 'cpplint',
+    \ 'exec': 'cpplint.py'})
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/cpp/gcc.vim

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+"============================================================================
+"File:        cpp.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  Gregor Uhlenheuer <kongo2002 at gmail dot com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"
+"============================================================================
+
+if exists('g:loaded_syntastic_cpp_gcc_checker')
+    finish
+endif
+let g:loaded_syntastic_cpp_gcc_checker = 1
+
+if !exists('g:syntastic_cpp_compiler')
+    let g:syntastic_cpp_compiler = executable('g++') ? 'g++' : 'clang++'
+endif
+
+if !exists('g:syntastic_cpp_compiler_options')
+    let g:syntastic_cpp_compiler_options = ''
+endif
+
+let s:save_cpo = &cpo
+set cpo&vim
+
+function! SyntaxCheckers_cpp_gcc_IsAvailable() dict
+    return executable(expand(g:syntastic_cpp_compiler))
+endfunction
+
+function! SyntaxCheckers_cpp_gcc_GetLocList() dict
+    return syntastic#c#GetLocList('cpp', 'gcc', {
+        \ 'errorformat':
+        \     '%-G%f:%s:,' .
+        \     '%f:%l:%c: %trror: %m,' .
+        \     '%f:%l:%c: %tarning: %m,' .
+        \     '%f:%l:%c: %m,'.
+        \     '%f:%l: %trror: %m,'.
+        \     '%f:%l: %tarning: %m,'.
+        \     '%f:%l: %m',
+        \ 'main_flags': '-x c++ -fsyntax-only',
+        \ 'header_flags': '-x c++',
+        \ 'header_names': '\m\.\(h\|hpp\|hh\)$' })
+endfunction
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'cpp',
+    \ 'name': 'gcc' })
+
+let &cpo = s:save_cpo
+unlet s:save_cpo
+
+" vim: set et sts=4 sw=4:

sources_non_forked/syntastic/syntax_checkers/cpp/oclint.vim

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+"============================================================================
+"File:        oclint.vim
+"Description: Syntax checking plugin for syntastic.vim
+"Maintainer:  "UnCO" Lin <undercooled aT lavabit com>
+"License:     This program is free software. It comes without any warranty,
+"             to the extent permitted by applicable law. You can redistribute
+"             it and/or modify it under the terms of the Do What The Fuck You
+"             Want To Public License, Version 2, as published by Sam Hocevar.
+"             See http://sam.zoy.org/wtfpl/COPYING for more details.
+"============================================================================
+"
+" The setting 'g:syntastic_oclint_config_file' allows you to define a file
+" that contains additional compiler arguments like include directories or
+" CFLAGS. The file is expected to contain one option per line. If none is
+" given the filename defaults to '.syntastic_oclint_config':
+"
+"   let g:syntastic_oclint_config_file = '.config'
+
+if exists("g:loaded_syntastic_cpp_oclint_checker")
+    finish
+endif
+let g:loaded_syntastic_cpp_oclint_checker = 1
+
+runtime! syntax_checkers/c/*.vim
+
+call g:SyntasticRegistry.CreateAndRegisterChecker({
+    \ 'filetype': 'cpp',
+    \ 'name': 'oclint',
+    \ 'redirect': 'c/oclint'})
+
+" vim: set et sts=4 sw=4: