Make javac work in a basic way

This commit is contained in:
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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@ -69,6 +69,7 @@ name. That seems to be the fairest way to arrange this table.
| Go | [gofmt -e](https://golang.org/cmd/gofmt/), [go vet](https://golang.org/cmd/vet/), [golint](https://godoc.org/github.com/golang/lint), [go build](https://golang.org/cmd/go/) | | Go | [gofmt -e](https://golang.org/cmd/gofmt/), [go vet](https://golang.org/cmd/vet/), [golint](https://godoc.org/github.com/golang/lint), [go build](https://golang.org/cmd/go/) |
| Haskell | [ghc](https://www.haskell.org/ghc/), [hlint](https://hackage.haskell.org/package/hlint) | | Haskell | [ghc](https://www.haskell.org/ghc/), [hlint](https://hackage.haskell.org/package/hlint) |
| HTML | [HTMLHint](http://htmlhint.com/), [tidy](http://www.html-tidy.org/) | | HTML | [HTMLHint](http://htmlhint.com/), [tidy](http://www.html-tidy.org/) |
| Java | [javac](http://www.oracle.com/technetwork/java/javase/downloads/index.html) |
| JavaScript | [eslint](http://eslint.org/), [jscs](http://jscs.info/), [jshint](http://jshint.com/), [flow](https://flowtype.org/), [standard](http://standardjs.com/) | JavaScript | [eslint](http://eslint.org/), [jscs](http://jscs.info/), [jshint](http://jshint.com/), [flow](https://flowtype.org/), [standard](http://standardjs.com/)
| JSON | [jsonlint](http://zaa.ch/jsonlint/) | | JSON | [jsonlint](http://zaa.ch/jsonlint/) |
| LaTeX | [chktex](http://www.nongnu.org/chktex/), [lacheck](https://www.ctan.org/pkg/lacheck) | | LaTeX | [chktex](http://www.nongnu.org/chktex/), [lacheck](https://www.ctan.org/pkg/lacheck) |

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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 " Description: Lints java files using javac
let g:loaded_ale_linters_java_javac = 1 let g:ale_java_javac_options = get(g:, 'ale_java_javac_options', '')
let g:ale_java_javac_classpath = '' let g:ale_java_javac_classpath = get(g:, 'ale_java_javac_classpath', '')
let s:eclipse_classpath = '' function! ale_linters#java#javac#GetCommand(buffer)
let s:tmppath = '/tmp/java_ale/' 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 function! ale_linters#java#javac#Handle(buffer, lines) abort
" Look for lines like the following. " Look for lines like the following.
@ -37,62 +45,6 @@ function! ale_linters#java#javac#Handle(buffer, lines) abort
return l:output return l:output
endfunction 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', { call ale#linter#Define('java', {
\ 'name': 'javac', \ 'name': 'javac',
\ 'output_stream': 'stderr', \ 'output_stream': 'stderr',

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@ -38,6 +38,7 @@ CONTENTS *ale-contents*
4.26. erlang..........................|ale-linter-options-erlang| 4.26. erlang..........................|ale-linter-options-erlang|
4.27. phpmd...........................|ale-linter-options-phpmd| 4.27. phpmd...........................|ale-linter-options-phpmd|
4.28. xo..............................|ale-linter-options-xo| 4.28. xo..............................|ale-linter-options-xo|
4.28. javac...........................|ale-linter-options-javac|
5. Linter Integration Notes.............|ale-linter-integration| 5. Linter Integration Notes.............|ale-linter-integration|
5.1. merlin..........................|ale-linter-integration-ocaml-merlin| 5.1. merlin..........................|ale-linter-integration-ocaml-merlin|
5.2. rust.............................|ale-integration-rust| 5.2. rust.............................|ale-integration-rust|
@ -88,6 +89,7 @@ The following languages and tools are supported.
* Go: 'gofmt -e', 'go vet', 'golint', 'go build' * Go: 'gofmt -e', 'go vet', 'golint', 'go build'
* Haskell: 'ghc', 'hlint' * Haskell: 'ghc', 'hlint'
* HTML: 'HTMLHint', 'tidy' * HTML: 'HTMLHint', 'tidy'
* Java: 'javac'
* JavaScript: 'eslint', 'jscs', 'jshint', 'flow', 'xo' * JavaScript: 'eslint', 'jscs', 'jshint', 'flow', 'xo'
* JSON: 'jsonlint' * JSON: 'jsonlint'
* LaTeX: 'chktex', 'lacheck' * LaTeX: 'chktex', 'lacheck'
@ -955,6 +957,24 @@ g:ale_javascript_xo_use_global *g:ale_javascript_xo_use_global*
global version of xo, in preference to locally installed versions of global version of xo, in preference to locally installed versions of
xo in node_modules. xo in node_modules.
------------------------------------------------------------------------------
4.28. javac *ale-linter-options-javac*
g:ale_java_javac_classpath *g:ale_java_javac_classpath*
Type: |String|
Default: `''`
This variable can be set to change the global classpath for Java.
g:ale_java_javac_options *g:ale_java_javac_options*
Type: |String|
Default: `''`
This variable can be set to pass additional options to javac.
=============================================================================== ===============================================================================
5. Linter Integration Notes *ale-linter-integration* 5. Linter Integration Notes *ale-linter-integration*