"============================================================================
"File:        closurecompiler.vim
"Description: Javascript syntax checker - using Google Closure Compiler
"Maintainer:  Motohiro Takayama <mootoh 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.
"============================================================================
"
" To enable this plugin, edit the .vimrc like this:
"
"   let g:syntastic_javascript_checker = "closurecompiler"
"
" and set the path to the Google Closure Compiler:
"
"   let g:syntastic_javascript_closure_compiler_path = '/path/to/google-closure-compiler.jar'
"
" It takes additional options for Google Closure Compiler with the variable
" g:syntastic_javascript_closure_compiler_options.
"

if !exists("g:syntastic_javascript_closure_compiler_options")
    let g:syntastic_javascript_closure_compiler_options = ""
endif

"bail if the user does not specify the path to closure compiler.
if !exists("g:syntastic_javascript_closure_compiler_path")
    finish
endif

function! SyntaxCheckers_javascript_GetLocList()
    if exists("g:syntastic_javascript_closure_compiler_file_list")
        let file_list = join(readfile(g:syntastic_javascript_closure_compiler_file_list), ' ')
    else
        let file_list = shellescape(expand('%'))
    endif

    let makeprg = 'java -jar ' . g:syntastic_javascript_closure_compiler_path . ' ' . g:syntastic_javascript_closure_compiler_options . ' --js ' . file_list
    let errorformat = '%-GOK,%E%f:%l: ERROR - %m,%Z%p^,%W%f:%l: WARNING - %m,%Z%p^'
    return SyntasticMake({ 'makeprg': makeprg, 'errorformat': errorformat })
endfunction