Add support for linting D code with DMD.

This commit is contained in:
w0rp 2016-09-16 22:53:53 +01:00
parent c84bafe7e7
commit a32b380b6f
3 changed files with 120 additions and 0 deletions

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@ -27,6 +27,7 @@ name. That seems to be the fairest way to arrange this table.
| -------- | ----- | | -------- | ----- |
| Bash | [-n flag](https://www.gnu.org/software/bash/manual/bash.html#index-set) | | Bash | [-n flag](https://www.gnu.org/software/bash/manual/bash.html#index-set) |
| Bourne Shell | [-n flag](http://linux.die.net/man/1/sh) | | Bourne Shell | [-n flag](http://linux.die.net/man/1/sh) |
| D | [dmd](https://dlang.org/dmd-linux.html) |
| JavaScript | [eslint](http://eslint.org/), [jscs](http://jscs.info/), [jshint](http://jshint.com/) | | JavaScript | [eslint](http://eslint.org/), [jscs](http://jscs.info/), [jshint](http://jshint.com/) |
| Python | [flake8](http://flake8.pycqa.org/en/latest/) | | Python | [flake8](http://flake8.pycqa.org/en/latest/) |
| Ruby | [rubocop](https://github.com/bbatsov/rubocop) | | Ruby | [rubocop](https://github.com/bbatsov/rubocop) |

103
ale_linters/d/dmd.vim Normal file
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@ -0,0 +1,103 @@
if exists('g:loaded_ale_linters_d_dmd')
finish
endif
let g:loaded_ale_linters_d_dmd = 1
" A function for finding the dmd-wrapper script in the Vim runtime paths
function! s:FindWrapperScript()
for parent in split(&runtimepath, ',')
let path = parent . '/' . 'dmd-wrapper'
if filereadable(path)
return path
endif
endfor
endfunction
function! ale_linters#d#dmd#GetDubImports(buffer)
if !executable('dub')
" If we don't have dub, then stop here.
return []
endif
" Try to find dub.json
let dub_path = findfile("dub.json", ",;")
if dub_path == ''
" Try to find package.json if that fails
let dub_path = findfile("package.json", ",;")
endif
if dub_path == ''
" We couldn't find the project root directory, so give up.
return
endif
let dub_dir = fnamemodify(dub_path, ':h')
let old_path = getcwd()
try
" Temporarily change to the project directory.
execute 'cd' . fnameescape(dub_dir)
return split(system('dub describe --import-paths'), '\n')
finally
" Change back to the old path.
execute 'cd' . fnameescape(old_path)
endtry
endfunction
function! ale_linters#d#dmd#GetCommand(buffer)
let wrapper_script = s:FindWrapperScript()
let command = wrapper_script . ' -o- -vcolumns -c'
for path in ale_linters#d#dmd#GetDubImports(a:buffer)
let command .= ' -I' . shellescape(path)
endfor
return command
endfunction
function! ale_linters#d#dmd#Handle(buffer, lines)
" Matches patterns lines like the following:
"
" /tmp/tmp.G1L5xIizvB.d(8,8): Error: module weak_reference is in file 'dstruct/weak_reference.d' which cannot be read
let pattern = '^[^(]\+(\([0-9]\+\),\([0-9]\+\)): \([^:]\+\): \(.\+\)'
let output = []
for line in a:lines
let l:match = matchlist(line, pattern)
if len(l:match) == 0
break
endif
let line = l:match[1] + 0
let column = l:match[2] + 0
let type = l:match[3]
let text = l:match[4]
" vcol is Needed to indicate that the column is a character.
call add(output, {
\ 'bufnr': bufnr('%'),
\ 'lnum': line,
\ 'vcol': 0,
\ 'col': column,
\ 'text': text,
\ 'type': type ==# 'Warning' ? 'W' : 'E',
\ 'nr': -1,
\})
endfor
return output
endfunction
call ALEAddLinter('d', {
\ 'name': 'dmd',
\ 'output_stream': 'stderr',
\ 'executable': 'dmd',
\ 'command_callback': 'ale_linters#d#dmd#GetCommand',
\ 'callback': 'ale_linters#d#dmd#Handle',
\})

16
dmd-wrapper Executable file
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#!/bin/bash -eu
# This script wraps DMD so we can get something which is capable of reading
# D code from stdin.
temp_file=`mktemp`
mv "$temp_file" "$temp_file".d
temp_file="$temp_file".d
trap "rm $temp_file" EXIT
while read line; do
echo "$line" >> "$temp_file"
done
dmd "$@" "$temp_file"