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authorHarrison Bachrach <harrison.bachrach@gmail.com>2019-01-27 08:01:42 -0800
committerw0rp <w0rp@users.noreply.github.com>2019-01-27 16:01:42 +0000
commit17a2f554e3b56411aec3f2ae4d3b0f44656870ef (patch)
tree04ed65c2015f8d6f74529e1d7bb6c8e5ee0657cb /ale_linters/crystal
parent08d3523962927d1360b87ac147a29a242c31e7b0 (diff)
downloadale-17a2f554e3b56411aec3f2ae4d3b0f44656870ef.zip
Add initial ameba (crystal linter) support (#2174)
* Add initial ameba (crystal linter) support Note that this depends on saved file as `ameba` does not have STDIN support * Fix formatting of crystal linter documentation * Add tests for ameba executable customization
Diffstat (limited to 'ale_linters/crystal')
-rw-r--r--ale_linters/crystal/ameba.vim56
1 files changed, 56 insertions, 0 deletions
diff --git a/ale_linters/crystal/ameba.vim b/ale_linters/crystal/ameba.vim
new file mode 100644
index 00000000..d50d9fd3
--- /dev/null
+++ b/ale_linters/crystal/ameba.vim
@@ -0,0 +1,56 @@
+" Author: Harrison Bachrach - https://github.com/HarrisonB
+" Description: Ameba, a linter for crystal files
+
+call ale#Set('crystal_ameba_executable', 'bin/ameba')
+
+function! ale_linters#crystal#ameba#GetCommand(buffer) abort
+ let l:executable = ale#Var(a:buffer, 'crystal_ameba_executable')
+
+ return ale#Escape(l:executable)
+ \ . ' --format json '
+ \ . ale#Escape(expand('#' . a:buffer . ':p'))
+endfunction
+
+call ale#linter#Define('crystal', {
+\ 'name': 'ameba',
+\ 'executable_callback': ale#VarFunc('crystal_ameba_executable'),
+\ 'command_callback': 'ale_linters#crystal#ameba#GetCommand',
+\ 'callback': 'ale_linters#crystal#ameba#HandleAmebaOutput',
+\})
+
+" Handle output from ameba
+function! ale_linters#crystal#ameba#HandleAmebaOutput(buffer, lines) abort
+ if len(a:lines) == 0
+ return []
+ endif
+
+ let l:errors = ale#util#FuzzyJSONDecode(a:lines[0], {})
+
+ if !has_key(l:errors, 'summary')
+ \|| l:errors['summary']['issues_count'] == 0
+ \|| empty(l:errors['sources'])
+ return []
+ endif
+
+ let l:output = []
+
+ for l:error in l:errors['sources'][0]['issues']
+ let l:start_col = str2nr(l:error['location']['column'])
+ let l:end_col = str2nr(l:error['end_location']['column'])
+
+ if !l:end_col
+ let l:end_col = l:start_col + 1
+ endif
+
+ call add(l:output, {
+ \ 'lnum': str2nr(l:error['location']['line']),
+ \ 'col': l:start_col,
+ \ 'end_col': l:end_col,
+ \ 'code': l:error['rule_name'],
+ \ 'text': l:error['message'],
+ \ 'type': 'W',
+ \})
+ endfor
+
+ return l:output
+endfunction