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cc: fix using '-x c*-header' for header files with GCC. (#4334)

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Gcc does not support `x c*-header` when using `-` as input filename,
which is what ALE does.

Rework the feature to only use `-x c*-header` flag when using Clang and
not GCC.

The feature is now also controlled with the variable
`g:ale_c_cc_use_header_lang_flag` and
`g:ale_cpp_cc_use_header_lang_flag`.
This commit is contained in:
Nicolas Pauss
2022-10-12 00:05:37 +02:00
committed by GitHub
parent f085227504
commit 951a668b14
7 changed files with 161 additions and 21 deletions
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15
ale_linters/cpp/cc.vim
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@@ -3,6 +3,7 @@
call ale#Set('cpp_cc_executable', '<auto>')
call ale#Set('cpp_cc_options', '-std=c++14 -Wall')
call ale#Set('cpp_cc_use_header_lang_flag', -1)
call ale#Set('cpp_cc_header_exts', ['h', 'hpp'])
function! ale_linters#cpp#cc#GetExecutable(buffer) abort
@@ -23,8 +24,6 @@ endfunction
function! ale_linters#cpp#cc#GetCommand(buffer, output) abort
let l:cflags = ale#c#GetCFlags(a:buffer, a:output)
let l:ale_flags = ale#Var(a:buffer, 'cpp_cc_options')
let l:header_exts = ale#Var(a:buffer, 'cpp_cc_header_exts')
let l:lang_flag = ale#c#GetLanguageFlag(a:buffer, l:header_exts, 'c++')
if l:cflags =~# '-std='
let l:ale_flags = substitute(
@@ -34,6 +33,18 @@ function! ale_linters#cpp#cc#GetCommand(buffer, output) abort
\ 'g')
endif
" Select the correct language flag depending on the executable, options
" and file extension
let l:executable = ale_linters#cpp#cc#GetExecutable(a:buffer)
let l:use_header_lang_flag = ale#Var(a:buffer, 'cpp_cc_use_header_lang_flag')
let l:header_exts = ale#Var(a:buffer, 'cpp_cc_header_exts')
let l:lang_flag = ale#c#GetLanguageFlag(
\ a:buffer,
\ l:executable,
\ l:use_header_lang_flag,
\ l:header_exts,
\ 'c++')
" -iquote with the directory the file is in makes #include work for
" headers in the same directory.
"