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#894 - Replace ugly temporary filenames for Haskell problems with the buffer's basename

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w0rp 2017-09-03 21:53:39 +01:00
parent 0aa8640d07
commit 6833e01f23
2 changed files with 23 additions and 0 deletions
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16
autoload/ale/handlers/haskell.vim
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@ -1,11 +1,24 @@
" Author: w0rp <devw0rp@gmail.com>
" Description: Error handling for the format GHC outputs.
" Remember the directory used for temporary files for Vim.
let s:temp_dir = fnamemodify(tempname(), ':h')
" Build part of a regular expression for matching ALE temporary filenames.
let s:temp_regex_prefix =
\ '\M'
\ . substitute(s:temp_dir, '\\', '\\\\', 'g')
\ . '\.\{-}'
function! ale#handlers#haskell#HandleGHCFormat(buffer, lines) abort
" Look for lines like the following.
"
"Appoint/Lib.hs:8:1: warning:
"Appoint/Lib.hs:8:1:
let l:basename = expand('#' . a:buffer . ':t')
" Build a complete regular expression for replacing temporary filenames
" in Haskell error messages with the basename for this file.
let l:temp_filename_regex = s:temp_regex_prefix . l:basename
let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+):(.*)?$'
let l:output = []
@ -51,6 +64,9 @@ function! ale#handlers#haskell#HandleGHCFormat(buffer, lines) abort
let l:type = 'E'
endif
" Replace temporary filenames in problem messages with the basename
let l:text = substitute(l:text, l:temp_filename_regex, l:basename, 'g')
call add(l:output, {
\ 'lnum': l:match[2] + 0,
\ 'col': l:match[3] + 0,

7
test/handler/test_ghc_mod_handler.vader
View file

@ -21,10 +21,17 @@ Execute(HandleGhcFormat should handle ghc-mod problems):
\ 'type': 'W',
\ 'text': 'Eta reduceFound: myFunc x = succ xWhy not: myFunc = succ',
\ },
\ {
\ 'lnum': 28,
\ 'col': 28,
\ 'type': 'W',
\ 'text': 'Defaulting the following constraints to type ‘Integer’ (Num a0) arising from the literal ‘3’ at check2.hs:28:28 (Eq a0) arising from a use of ‘lookup’ at check2.hs:28:21-28 • In the first argument of ‘lookup’, namely ‘3’ In the expression: lookup 3 In the second argument of ‘fmap’, namely ‘(lookup 3 $ zip [1, 2, 3] [4, 5, 6])''’'
\ },
\ ],
\ ale#handlers#haskell#HandleGHCFormat(bufnr(''), [
\ 'check2.hs:2:1:Failed to load interface for ‘Missing’Use -v to see a list of the files searched for.',
\ 'check2.hs:2:1: Suggestion: Use camelCaseFound: my_variable = ...Why not: myVariable = ...',
\ 'check2.hs:6:1: Warning: Eta reduceFound: myFunc x = succ xWhy not: myFunc = succ',
\ 'xxx.hs:6:1: Warning: Eta reduceFound: myFunc x = succ xWhy not: myFunc = succ',
\ printf("check2.hs:28:28: Warning: Defaulting the following constraints to type ‘Integer’ (Num a0) arising from the literal ‘3’ at %s/check2.hs:28:28 (Eq a0) arising from a use of ‘lookup’ at %s/check2.hs:28:21-28 • In the first argument of ‘lookup’, namely ‘3’ In the expression: lookup 3 In the second argument of ‘fmap’, namely ‘(lookup 3 $ zip [1, 2, 3] [4, 5, 6])'’", tempname(), tempname()),
\ ])