diff --git a/README.md b/README.md index f0ca5f6..1e37c83 100644 --- a/README.md +++ b/README.md @@ -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) | | 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/) | | Python | [flake8](http://flake8.pycqa.org/en/latest/) | | Ruby | [rubocop](https://github.com/bbatsov/rubocop) | diff --git a/ale_linters/d/dmd.vim b/ale_linters/d/dmd.vim new file mode 100644 index 0000000..6afdc45 --- /dev/null +++ b/ale_linters/d/dmd.vim @@ -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', +\}) diff --git a/dmd-wrapper b/dmd-wrapper new file mode 100755 index 0000000..e413f08 --- /dev/null +++ b/dmd-wrapper @@ -0,0 +1,16 @@ +#!/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"