From e4a4fcd26bff47b3611887167a0510a5e29cbe3b Mon Sep 17 00:00:00 2001 From: w0rp Date: Sun, 22 Jan 2017 13:51:57 +0000 Subject: [PATCH] Make the Erlang linter code match the style used in the rest of the codebase. Make the options match the new standard. --- ale_linters/erlang/erlc.vim | 141 +++++++++++++++++++----------------- doc/ale.txt | 4 +- 2 files changed, 76 insertions(+), 69 deletions(-) diff --git a/ale_linters/erlang/erlc.vim b/ale_linters/erlang/erlc.vim index 0e3cc2f..1cd35d0 100644 --- a/ale_linters/erlang/erlc.vim +++ b/ale_linters/erlang/erlc.vim @@ -1,89 +1,96 @@ " Author: Magnus Ottenklinger - https://github.com/evnu -function! ale_linters#erlang#erlc#Handle(buffer, lines) - " Matches patterns like the following: - " - " error.erl:4: variable 'B' is unbound - " error.erl:3: Warning: function main/0 is unused - " error.erl:4: Warning: variable 'A' is unused - let l:pattern = '\v^([^:]+):(\d+): (Warning: )?(.+)$' +let g:ale_erlang_erlc_options = get(g:, 'ale_erlang_erlc_options', '') - " parse_transforms are a special case. The error message does not indicate a location: - " error.erl: undefined parse transform 'some_parse_transform' - let l:pattern_parse_transform = '\v(undefined parse transform .*)$' - let l:output = [] +function! ale_linters#erlang#erlc#GetCommand(buffer) abort + return g:ale#util#stdin_wrapper . ' .erl erlc ' . g:ale_erlang_erlc_options +endfunction - let l:pattern_no_module_definition = '\v(no module definition)$' - let l:pattern_unused = '\v(.* is unused)$' - - let l:is_hrl = fnamemodify(bufname(a:buffer), ':e') ==# 'hrl' - - for l:line in a:lines - let l:match = matchlist(l:line, l:pattern) - - " Determine if the output indicates an error. We distinguish between two cases: +function! ale_linters#erlang#erlc#Handle(buffer, lines) abort + " Matches patterns like the following: " - " 1) normal errors match l:pattern - " 2) parse_transform errors match l:pattern_parse_transform - " - " If none of the patterns above match, the line can be ignored - if len(l:match) == 0 " not a 'normal' warning or error + " error.erl:4: variable 'B' is unbound + " error.erl:3: Warning: function main/0 is unused + " error.erl:4: Warning: variable 'A' is unused + let l:pattern = '\v^([^:]+):(\d+): (Warning: )?(.+)$' - let l:match_parse_transform = matchlist(l:line, l:pattern_parse_transform) + " parse_transforms are a special case. The error message does not indicate a location: + " error.erl: undefined parse transform 'some_parse_transform' + let l:pattern_parse_transform = '\v(undefined parse transform .*)$' + let l:output = [] + + let l:pattern_no_module_definition = '\v(no module definition)$' + let l:pattern_unused = '\v(.* is unused)$' + + let l:is_hrl = fnamemodify(bufname(a:buffer), ':e') ==# 'hrl' + + for l:line in a:lines + let l:match = matchlist(l:line, l:pattern) + + " Determine if the output indicates an error. We distinguish between two cases: + " + " 1) normal errors match l:pattern + " 2) parse_transform errors match l:pattern_parse_transform + " + " If none of the patterns above match, the line can be ignored + if len(l:match) == 0 " not a 'normal' warning or error + let l:match_parse_transform = matchlist(l:line, l:pattern_parse_transform) + + if len(l:match_parse_transform) == 0 " also not a parse_transform error + continue + endif + + call add(l:output, { + \ 'bufnr': a:buffer, + \ 'lnum': 0, + \ 'vcol': 0, + \ 'col': 0, + \ 'type': 'E', + \ 'text': l:match_parse_transform[0], + \ 'nr': -1, + \}) - if len(l:match_parse_transform) == 0 " also not a parse_transform error continue endif + let l:line = l:match[2] + let l:warning_or_text = l:match[3] + let l:text = l:match[4] + + " If this file is a header .hrl, ignore the following expected messages: + " - 'no module definition' + " - 'X is unused' + if l:is_hrl && ( + \ match(l:text, l:pattern_no_module_definition) != -1 + \ || match(l:text, l:pattern_unused) != -1 + \) + continue + endif + + if !empty(l:warning_or_text) + let l:type = 'W' + else + let l:type = 'E' + endif + + " vcol is Needed to indicate that the column is a character. call add(l:output, { \ 'bufnr': a:buffer, - \ 'lnum': 0, + \ 'lnum': l:line, \ 'vcol': 0, \ 'col': 0, - \ 'type': 'E', - \ 'text': l:match_parse_transform[0], + \ 'type': l:type, + \ 'text': l:text, \ 'nr': -1, \}) - continue - endif + endfor - let l:line = l:match[2] - let l:warning_or_text = l:match[3] - let l:text = l:match[4] - - " If this file is a header .hrl, ignore the following expected messages: - " - 'no module definition' - " - 'X is unused' - if l:is_hrl && - \ (match(l:text, l:pattern_no_module_definition) != -1 || - \ match(l:text, l:pattern_unused) != -1) - continue - endif - - if !empty(l:warning_or_text) - let l:type = 'W' - else - let l:type = 'E' - endif - - " vcol is Needed to indicate that the column is a character. - call add(l:output, { - \ 'bufnr': a:buffer, - \ 'lnum': l:line, - \ 'vcol': 0, - \ 'col': 0, - \ 'type': l:type, - \ 'text': l:text, - \ 'nr': -1, - \}) - endfor - - return l:output + return l:output endfunction call ale#linter#Define('erlang', { \ 'name': 'erlc', \ 'executable': 'erlc', -\ 'command': g:ale#util#stdin_wrapper . ' .erl erlc ' -\ . get(g:, 'ale_erlang_erlc_flags', ''), -\ 'callback': 'ale_linters#erlang#erlc#Handle' }) +\ 'command_callback': 'ale_linters#erlang#erlc#GetCommand', +\ 'callback': 'ale_linters#erlang#erlc#Handle', +\}) diff --git a/doc/ale.txt b/doc/ale.txt index 3421378..f002f40 100644 --- a/doc/ale.txt +++ b/doc/ale.txt @@ -830,9 +830,9 @@ g:ale_python_pylint_options *g:ale_python_pylint_options* `python3 -m pip install --user pylint`). ------------------------------------------------------------------------------ -4.25. erlang *ale-linter-options-erlang* +4.25. erlang *ale-linter-options-erlang* -g:ale_erlang_erlc_flags *g:ale_erlang_erlc_flags* +g:ale_erlang_erlc_options *g:ale_erlang_erlc_options* Type: |String| Default: '`''`'