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346 lines
12 KiB
VimL
346 lines
12 KiB
VimL
if exists('g:loaded_syntastic_c_autoload') || !exists('g:loaded_syntastic_plugin')
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finish
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endif
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let g:loaded_syntastic_c_autoload = 1
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let s:save_cpo = &cpo
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set cpo&vim
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" Public functions {{{1
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" convenience function to determine the 'null device' parameter
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" based on the current operating system
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function! syntastic#c#NullOutput() abort " {{{2
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let known_os = has('unix') || has('mac') || syntastic#util#isRunningWindows()
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return known_os ? '-o ' . syntastic#util#DevNull() : ''
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endfunction " }}}2
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" read additional compiler flags from the given configuration file
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" the file format and its parsing mechanism is inspired by clang_complete
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function! syntastic#c#ReadConfig(file) abort " {{{2
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call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, 'ReadConfig: looking for', a:file)
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" search upwards from the current file's directory
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let config = findfile(a:file, escape(expand('%:p:h', 1), ' ') . ';')
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if config ==# ''
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call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, 'ReadConfig: file not found')
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return ''
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endif
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call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, 'ReadConfig: config file:', config)
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if !filereadable(config)
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call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, 'ReadConfig: file unreadable')
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return ''
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endif
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" convert filename into absolute path
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let filepath = fnamemodify(config, ':p:h')
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" try to read config file
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try
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let lines = readfile(config)
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catch /\m^Vim\%((\a\+)\)\=:E48[45]/
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call syntastic#log#debug(g:_SYNTASTIC_DEBUG_CHECKERS, 'ReadConfig: error reading file')
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return ''
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endtry
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" filter out empty lines and comments
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call filter(lines, 'v:val !~# ''\v^(\s*#|$)''')
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" remove leading and trailing spaces
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call map(lines, 'substitute(v:val, ''\m^\s\+'', "", "")')
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call map(lines, 'substitute(v:val, ''\m\s\+$'', "", "")')
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let parameters = []
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for line in lines
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let matches = matchstr(line, '\m\C^\s*-I\s*\zs.\+')
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if matches !=# ''
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" this one looks like an absolute path
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if match(matches, '\m^\%(/\|\a:\)') != -1
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call add(parameters, '-I' . matches)
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else
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call add(parameters, '-I' . filepath . syntastic#util#Slash() . matches)
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endif
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else
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call add(parameters, line)
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endif
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endfor
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return join(map(parameters, 'syntastic#util#shescape(v:val)'))
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endfunction " }}}2
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" GetLocList() for C-like compilers
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function! syntastic#c#GetLocList(filetype, subchecker, options) abort " {{{2
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try
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let flags = s:_get_cflags(a:filetype, a:subchecker, a:options)
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catch /\m\C^Syntastic: skip checks$/
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return []
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endtry
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let makeprg = syntastic#util#shexpand(g:syntastic_{a:filetype}_compiler) .
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\ ' ' . flags . ' ' . syntastic#util#shexpand('%')
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let errorformat = s:_get_checker_var('g', a:filetype, a:subchecker, 'errorformat', a:options['errorformat'])
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let postprocess = s:_get_checker_var('g', a:filetype, a:subchecker, 'remove_include_errors', 0) ?
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\ ['filterForeignErrors'] : []
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" process makeprg
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return SyntasticMake({
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\ 'makeprg': makeprg,
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\ 'errorformat': errorformat,
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\ 'postprocess': postprocess })
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endfunction " }}}2
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" }}}1
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" Private functions {{{1
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" initialize c/cpp syntax checker handlers
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function! s:_init() abort " {{{2
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let s:handlers = []
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let s:cflags = {}
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call s:_registerHandler('\m\<cairo', 's:_checkPackage', ['cairo', 'cairo'])
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call s:_registerHandler('\m\<freetype', 's:_checkPackage', ['freetype', 'freetype2', 'freetype'])
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call s:_registerHandler('\m\<glade', 's:_checkPackage', ['glade', 'libglade-2.0', 'libglade'])
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call s:_registerHandler('\m\<glib', 's:_checkPackage', ['glib', 'glib-2.0', 'glib'])
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call s:_registerHandler('\m\<gtk', 's:_checkPackage', ['gtk', 'gtk+-2.0', 'gtk+', 'glib-2.0', 'glib'])
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call s:_registerHandler('\m\<libsoup', 's:_checkPackage', ['libsoup', 'libsoup-2.4', 'libsoup-2.2'])
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call s:_registerHandler('\m\<libxml', 's:_checkPackage', ['libxml', 'libxml-2.0', 'libxml'])
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call s:_registerHandler('\m\<pango', 's:_checkPackage', ['pango', 'pango'])
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call s:_registerHandler('\m\<SDL', 's:_checkPackage', ['sdl', 'sdl'])
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call s:_registerHandler('\m\<opengl', 's:_checkPackage', ['opengl', 'gl'])
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call s:_registerHandler('\m\<webkit', 's:_checkPackage', ['webkit', 'webkit-1.0'])
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call s:_registerHandler('\m\<php\.h\>', 's:_checkPhp', [])
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call s:_registerHandler('\m\<Python\.h\>', 's:_checkPython', [])
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call s:_registerHandler('\m\<ruby', 's:_checkRuby', [])
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endfunction " }}}2
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" register a handler dictionary object
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function! s:_registerHandler(regex, function, args) abort " {{{2
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let handler = {}
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let handler['regex'] = a:regex
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let handler['func'] = function(a:function)
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let handler['args'] = a:args
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call add(s:handlers, handler)
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endfunction " }}}2
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" try to find library with 'pkg-config'
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" search possible libraries from first to last given
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" argument until one is found
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function! s:_checkPackage(name, ...) abort " {{{2
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if executable('pkg-config')
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if !has_key(s:cflags, a:name)
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for pkg in a:000
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let pkg_flags = syntastic#util#system('pkg-config --cflags ' . pkg)
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" since we cannot necessarily trust the pkg-config exit code
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" we have to check for an error output as well
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if v:shell_error == 0 && pkg_flags !~? 'not found'
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let pkg_flags = ' ' . substitute(pkg_flags, "\n", '', '')
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let s:cflags[a:name] = pkg_flags
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return pkg_flags
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endif
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endfor
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else
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return s:cflags[a:name]
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endif
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endif
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return ''
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endfunction " }}}2
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" try to find PHP includes with 'php-config'
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function! s:_checkPhp() abort " {{{2
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if executable('php-config')
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if !has_key(s:cflags, 'php')
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let s:cflags['php'] = syntastic#util#system('php-config --includes')
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let s:cflags['php'] = ' ' . substitute(s:cflags['php'], "\n", '', '')
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endif
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return s:cflags['php']
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endif
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return ''
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endfunction " }}}2
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" try to find the python headers with distutils
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function! s:_checkPython() abort " {{{2
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if executable('python')
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if !has_key(s:cflags, 'python')
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let s:cflags['python'] = syntastic#util#system('python -c ''from distutils import ' .
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\ 'sysconfig; import sys; sys.stdout.write(sysconfig.get_python_inc())''')
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let s:cflags['python'] = substitute(s:cflags['python'], "\n", '', '')
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let s:cflags['python'] = ' -I' . s:cflags['python']
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endif
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return s:cflags['python']
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endif
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return ''
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endfunction " }}}2
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" try to find the ruby headers with 'rbconfig'
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function! s:_checkRuby() abort " {{{2
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if executable('ruby')
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if !has_key(s:cflags, 'ruby')
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let s:cflags['ruby'] = syntastic#util#system('ruby -r rbconfig -e ' .
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\ '''puts RbConfig::CONFIG["rubyhdrdir"] || RbConfig::CONFIG["archdir"]''')
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let s:cflags['ruby'] = substitute(s:cflags['ruby'], "\n", '', '')
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let s:cflags['ruby'] = ' -I' . s:cflags['ruby']
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endif
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return s:cflags['ruby']
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endif
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return ''
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endfunction " }}}2
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" }}}1
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" Utilities {{{1
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" resolve checker-related user variables
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function! s:_get_checker_var(scope, filetype, subchecker, name, default) abort " {{{2
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let prefix = a:scope . ':' . 'syntastic_'
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if exists(prefix . a:filetype . '_' . a:subchecker . '_' . a:name)
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return {a:scope}:syntastic_{a:filetype}_{a:subchecker}_{a:name}
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elseif exists(prefix . a:filetype . '_' . a:name)
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return {a:scope}:syntastic_{a:filetype}_{a:name}
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else
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return a:default
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endif
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endfunction " }}}2
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" resolve user CFLAGS
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function! s:_get_cflags(ft, ck, opts) abort " {{{2
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" determine whether to parse header files as well
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if has_key(a:opts, 'header_names') && expand('%', 1) =~? a:opts['header_names']
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if s:_get_checker_var('g', a:ft, a:ck, 'check_header', 0)
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let flags = get(a:opts, 'header_flags', '') . ' -c ' . syntastic#c#NullOutput()
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else
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" checking headers when check_header is unset: bail out
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throw 'Syntastic: skip checks'
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endif
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else
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let flags = get(a:opts, 'main_flags', '')
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endif
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let flags .= ' ' . s:_get_checker_var('g', a:ft, a:ck, 'compiler_options', '') . ' ' . s:_get_include_dirs(a:ft)
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" check if the user manually set some cflags
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let b_cflags = s:_get_checker_var('b', a:ft, a:ck, 'cflags', '')
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if b_cflags ==# ''
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if a:ft ==# 'c' || a:ft ==# 'cpp'
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" check whether to search for include files at all
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if !s:_get_checker_var('g', a:ft, a:ck, 'no_include_search', 0)
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" refresh the include file search if desired
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if s:_get_checker_var('g', a:ft, a:ck, 'auto_refresh_includes', 0)
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let flags .= ' ' . s:_search_headers()
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else
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" search for header includes if not cached already
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if !exists('b:syntastic_' . a:ft . '_includes')
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let b:syntastic_{a:ft}_includes = s:_search_headers()
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endif
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let flags .= ' ' . b:syntastic_{a:ft}_includes
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endif
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endif
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endif
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else
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" user-defined cflags
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let flags .= ' ' . b_cflags
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endif
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" add optional config file parameters
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let config_file = s:_get_checker_var('g', a:ft, a:ck, 'config_file', '.syntastic_' . a:ft . '_config')
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let flags .= ' ' . syntastic#c#ReadConfig(config_file)
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return flags
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endfunction " }}}2
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" get the gcc include directory argument depending on the default
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" includes and the optional user-defined 'g:syntastic_c_include_dirs'
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function! s:_get_include_dirs(filetype) abort " {{{2
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let include_dirs = []
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if a:filetype =~# '\v^%(c|cpp|objc|objcpp)$' &&
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\ (!exists('g:syntastic_'.a:filetype.'_no_default_include_dirs') ||
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\ !g:syntastic_{a:filetype}_no_default_include_dirs)
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let include_dirs = copy(s:default_includes)
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endif
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if exists('g:syntastic_'.a:filetype.'_include_dirs')
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call extend(include_dirs, g:syntastic_{a:filetype}_include_dirs)
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endif
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return join(map(syntastic#util#unique(include_dirs), 'syntastic#util#shescape("-I" . v:val)'))
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endfunction " }}}2
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" search the first 100 lines for include statements that are
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" given in the handlers dictionary
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function! s:_search_headers() abort " {{{2
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let includes = ''
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let files = []
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let found = []
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let lines = filter(getline(1, 100), 'v:val =~# ''\m^\s*#\s*include''')
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" search current buffer
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for line in lines
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let file = matchstr(line, '\m"\zs\S\+\ze"')
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if file !=# ''
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call add(files, file)
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continue
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endif
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for handler in s:handlers
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if line =~# handler['regex']
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let includes .= call(handler['func'], handler['args'])
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call add(found, handler['regex'])
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break
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endif
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endfor
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endfor
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" search included headers
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for hfile in files
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if hfile !=# ''
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let filename = expand('%:p:h', 1) . syntastic#util#Slash() . hfile
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try
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let lines = readfile(filename, '', 100)
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catch /\m^Vim\%((\a\+)\)\=:E484/
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continue
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endtry
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call filter(lines, 'v:val =~# ''\m^\s*#\s*include''')
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for handler in s:handlers
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if index(found, handler['regex']) != -1
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continue
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endif
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for line in lines
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if line =~# handler['regex']
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let includes .= call(handler['func'], handler['args'])
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call add(found, handler['regex'])
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break
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endif
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endfor
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endfor
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endif
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endfor
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return includes
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endfunction " }}}2
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" }}}1
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" default include directories
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let s:default_includes = [
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\ '.',
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\ '..',
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\ 'include',
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\ 'includes',
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\ '..' . syntastic#util#Slash() . 'include',
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\ '..' . syntastic#util#Slash() . 'includes' ]
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call s:_init()
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let &cpo = s:save_cpo
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unlet s:save_cpo
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" vim: set sw=4 sts=4 et fdm=marker:
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