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Make javac work in a basic way

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w0rp
2017-02-11 22:02:38 +00:00
parent 8c4846b68a
commit 112f71fb17
3 changed files with 34 additions and 61 deletions
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74
ale_linters/java/javac.vim
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@@ -1,11 +1,19 @@
" Author: farenjihn <farenjihn@gmail.com>
" Author: farenjihn <farenjihn@gmail.com>, w0rp <devw0rp@gmail.com>
" Description: Lints java files using javac
let g:loaded_ale_linters_java_javac = 1
let g:ale_java_javac_classpath = ''
let g:ale_java_javac_options = get(g:, 'ale_java_javac_options', '')
let g:ale_java_javac_classpath = get(g:, 'ale_java_javac_classpath', '')
let s:eclipse_classpath = ''
let s:tmppath = '/tmp/java_ale/'
function! ale_linters#java#javac#GetCommand(buffer)
let l:cp_option = !empty(g:ale_java_javac_classpath)
\ ? '-cp ' . g:ale_java_javac_classpath
\ : ''
return 'javac -Xlint '
\ . l:cp_option
\ . ' ' . g:ale_java_javac_options
\ . ' %t'
endfunction
function! ale_linters#java#javac#Handle(buffer, lines) abort
" Look for lines like the following.
@@ -37,62 +45,6 @@ function! ale_linters#java#javac#Handle(buffer, lines) abort
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',