103 lines
2.7 KiB
VimL
103 lines
2.7 KiB
VimL
|
" Author: farenjihn <farenjihn@gmail.com>
|
||
|
|
" Description: Lints java files using javac
|
||
|
|
|
||
|
|
let g:loaded_ale_linters_java_javac = 1
|
||
|
|
let g:ale_java_javac_classpath = ''
|
||
|
|
|
||
|
|
let s:eclipse_classpath = ''
|
||
|
|
let s:tmppath = '/tmp/java_ale/'
|
||
|
|
|
||
|
|
function! ale_linters#java#javac#Handle(buffer, lines) abort
|
||
|
|
" Look for lines like the following.
|
||
|
|
"
|
||
|
|
" Main.java:13: warning: [deprecation] donaught() in Testclass has been deprecated
|
||
|
|
" Main.java:16: error: ';' expected
|
||
|
|
|
||
|
|
let l:pattern = '^.*\:\(\d\+\):\ \(.*\):\(.*\)$'
|
||
|
|
let l:output = []
|
||
|
|
|
||
|
|
for l:line in a:lines
|
||
|
|
let l:match = matchlist(l:line, l:pattern)
|
||
|
|
|
||
|
|
if len(l:match) == 0
|
||
|
|
continue
|
||
|
|
endif
|
||
|
|
|
||
|
|
call add(l:output, {
|
||
|
|
\ 'bufnr': a:buffer,
|
||
|
|
\ 'lnum': l:match[1] + 0,
|
||
|
|
\ 'vcol': 0,
|
||
|
|
\ 'col': 1,
|
||
|
|
\ 'text': l:match[2] . ':' . l:match[3],
|
||
|
|
\ 'type': l:match[2] ==# 'error' ? 'E' : 'W',
|
||
|
|
\ 'nr': -1,
|
||
|
|
\})
|
||
|
|
endfor
|
||
|
|
|
||
|
|
return l:output
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! ale_linters#java#javac#ParseEclipseClasspath()
|
||
|
|
let l:eclipse_classpath = ''
|
||
|
|
|
||
|
|
python << EOF
|
||
|
|
|
||
|
|
import xml.etree.ElementTree as ET, vim
|
||
|
|
tree = ET.parse(".classpath")
|
||
|
|
root = tree.getroot()
|
||
|
|
|
||
|
|
classpath = ''
|
||
|
|
|
||
|
|
for child in root:
|
||
|
|
classpath += child.get("path")
|
||
|
|
classpath += ':'
|
||
|
|
|
||
|
|
vim.command("let l:eclipse_classpath = '%s'" % classpath);
|
||
|
|
|
||
|
|
# Cannot indent this EOF token as per :h python
|
||
|
|
EOF
|
||
|
|
|
||
|
|
return l:eclipse_classpath
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! ale_linters#java#javac#CheckEclipseClasspath()
|
||
|
|
" Eclipse .classpath parsing through python
|
||
|
|
if file_readable('.classpath')
|
||
|
|
let s:eclipse_classpath = ale_linters#java#javac#ParseEclipseClasspath()
|
||
|
|
endif
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! ale_linters#java#javac#GetCommand(buffer)
|
||
|
|
let l:path = s:tmppath . expand('%:p:h')
|
||
|
|
let l:file = expand('%:t')
|
||
|
|
let l:buf = getline(1, '$')
|
||
|
|
|
||
|
|
" Javac cannot compile files from stdin so we move a copy into /tmp instead
|
||
|
|
call mkdir(l:path, 'p')
|
||
|
|
call writefile(l:buf, l:path . '/' . l:file)
|
||
|
|
|
||
|
|
return 'javac '
|
||
|
|
\ . '-Xlint '
|
||
|
|
\ . '-cp ' . s:eclipse_classpath . g:ale_java_javac_classpath . ':. '
|
||
|
|
\ . g:ale_java_javac_options
|
||
|
|
\ . ' ' . l:path . '/' . l:file
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
function! ale_linters#java#javac#CleanupTmp()
|
||
|
|
call delete(s:tmppath, 'rf')
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
augroup java_ale_au
|
||
|
|
autocmd! BufEnter *.java call ale_linters#java#javac#CheckEclipseClasspath()
|
||
|
|
autocmd! BufLeave *.java call ale_linters#java#javac#CleanupTmp()
|
||
|
|
augroup END
|
||
|
|
|
||
|
|
call ale_linters#java#javac#CheckEclipseClasspath()
|
||
|
|
call ale#linter#Define('java', {
|
||
|
|
\ 'name': 'javac',
|
||
|
|
\ 'output_stream': 'stderr',
|
||
|
|
\ 'executable': 'javac',
|
||
|
|
\ 'command_callback': 'ale_linters#java#javac#GetCommand',
|
||
|
|
\ 'callback': 'ale_linters#java#javac#Handle',
|
||
|
|
\})
|