vim-castle/.vim/bundle/syntastic/syntax_checkers/ocaml/camlp4o.vim

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"============================================================================
"File: ocaml.vim
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"Description: Syntax checking plugin for syntastic
"Maintainer: Török Edwin <edwintorok 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_ocaml_camlp4o_checker')
finish
endif
let g:loaded_syntastic_ocaml_camlp4o_checker = 1
let s:save_cpo = &cpo
set cpo&vim
" Checker options {{{1
if !exists('g:syntastic_ocaml_use_ocamlc') || !executable('ocamlc')
let g:syntastic_ocaml_use_ocamlc = 0
endif
if !exists('g:syntastic_ocaml_use_janestreet_core')
let g:syntastic_ocaml_use_janestreet_core = 0
endif
if !exists('g:syntastic_ocaml_janestreet_core_dir')
let g:syntastic_ocaml_janestreet_core_dir = '.'
endif
if !exists('g:syntastic_ocaml_use_ocamlbuild') || !executable('ocamlbuild')
let g:syntastic_ocaml_use_ocamlbuild = 0
endif
" }}}1
function! SyntaxCheckers_ocaml_camlp4o_IsAvailable() dict " {{{1
let s:ocamlpp = get(g:, 'syntastic_ocaml_camlp4r', 0) ? 'camlp4r' : 'camlp4o'
return executable(s:ocamlpp)
endfunction " }}}1
function! SyntaxCheckers_ocaml_camlp4o_GetLocList() dict " {{{1
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let buf = bufnr('')
let makeprg = s:GetMakeprg(buf)
if makeprg ==# ''
return []
endif
let errorformat =
\ '%WWarning: File "%f"\, line %l\, chars %c-%n:,'.
\ '%WWarning: line %l\, chars %c-%n:,'.
\ '%AFile "%f"\, line %l\, characters %c-%n:,'.
\ '%AFile "%f"\, line %l\, characters %c-%*\d (end at line %*\d\, character %*\d):,'.
\ '%AFile "%f"\, line %l\, character %c:,'.
\ '%AFile "%f"\, line %l\, character %c:%m,'.
\ '%-GPreprocessing error %.%#,'.
\ '%-GCommand exited %.%#,'.
\ '%C%tarning %*\d: %m,'.
\ '%C%m,'.
\ '%-G+%.%#'
let loclist = SyntasticMake({
\ 'makeprg': makeprg,
\ 'errorformat': errorformat,
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\ 'defaults': {'bufnr': buf} })
for e in loclist
if get(e, 'col', 0) && get(e, 'nr', 0)
let e['hl'] = '\%>' . (e['col'] - 1) . 'c\%<' . (e['nr'] + 1) . 'c'
let e['nr'] = 0
endif
endfor
return loclist
endfunction " }}}1
" Utilities {{{1
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function! s:GetMakeprg(buf) " {{{2
return
\ g:syntastic_ocaml_use_ocamlc ? g:syntastic_ocaml_use_ocamlc :
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\ (g:syntastic_ocaml_use_ocamlbuild && isdirectory('_build')) ? s:GetOcamlcMakeprg(a:buf) :
\ s:GetOtherMakeprg(a:buf)
endfunction " }}}2
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function! s:GetOcamlcMakeprg(buf) " {{{2
let build_cmd = g:syntastic_ocaml_use_janestreet_core ?
\ 'ocamlc -I ' . syntastic#util#shexpand(g:syntastic_ocaml_janestreet_core_dir) : 'ocamlc'
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let build_cmd .= ' -c ' . syntastic#util#shescape(bufname(a:buf))
return build_cmd
endfunction " }}}2
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function! s:GetOcamlBuildMakeprg(buf) " {{{2
return 'ocamlbuild -quiet -no-log -tag annot,' . s:ocamlpp . ' -no-links -no-hygiene -no-sanitize ' .
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\ syntastic#util#shexpand(fnamemodify(bufname(a:buf), ':r')) . '.cmi'
endfunction " }}}2
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function! s:GetOtherMakeprg(buf) " {{{2
"TODO: give this function a better name?
"
"TODO: should use throw/catch instead of returning an empty makeprg
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let fname = bufname(a:buf)
let extension = fnamemodify(fname, ':e')
let makeprg = ''
if stridx(extension, 'mly') >= 0 && executable('menhir')
" ocamlyacc output can't be redirected, so use menhir
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let makeprg = 'menhir --only-preprocess ' . syntastic#util#shescape(fname) . ' >' . syntastic#util#DevNull()
elseif stridx(extension,'mll') >= 0 && executable('ocamllex')
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let makeprg = 'ocamllex -q ' . syntastic#c#NullOutput() . ' ' . syntastic#util#shescape(fname)
else
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let makeprg = 'camlp4o ' . syntastic#c#NullOutput() . ' ' . syntastic#util#shescape(fname)
endif
return makeprg
endfunction " }}}2
" }}}1
call g:SyntasticRegistry.CreateAndRegisterChecker({
\ 'filetype': 'ocaml',
\ 'name': 'camlp4o'})
let &cpo = s:save_cpo
unlet s:save_cpo
" vim: set sw=4 sts=4 et fdm=marker: