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" Author: w0rp <devw0rp@gmail.com>
" Description: gcc for Fortran files
" This option can be set to 0 to use -ffixed-form
if !exists('g:ale_fortran_gcc_use_free_form')
let g:ale_fortran_gcc_use_free_form = 1
endif
if !exists('g:ale_fortran_gcc_executable')
let g:ale_fortran_gcc_executable = 'gcc'
endif
" Set this option to change the GCC options for warnings for Fortran.
if !exists('g:ale_fortran_gcc_options')
let g:ale_fortran_gcc_options = '-Wall'
endif
function! ale_linters#fortran#gcc#Handle(buffer, lines) abort
" We have to match a starting line and a later ending line together,
" like so.
"
" :21.34:
" Error: Expected comma in I/O list at (1)
let l:line_marker_pattern = ':\(\d\+\)[.:]\=\(\d\+\)\=:\=$'
let l:message_pattern = '^\(Error\|Warning\): \(.\+\)$'
let l:looking_for_message = 0
let l:last_loclist_obj = {}
let l:output = []
for l:line in a:lines
if l:looking_for_message
let l:match = matchlist(l:line, l:message_pattern)
else
let l:match = matchlist(l:line, l:line_marker_pattern)
endif
if len(l:match) == 0
continue
endif
if l:looking_for_message
let l:looking_for_message = 0
" Now we have the text, we can set it and add the error.
let l:last_loclist_obj.text = l:match[2]
let l:last_loclist_obj.type = l:match[1] ==# 'Warning' ? 'W' : 'E'
call add(l:output, l:last_loclist_obj)
else
let l:last_loclist_obj = {
\ 'bufnr': a:buffer,
\ 'lnum': l:match[1] + 0,
\ 'col': l:match[2] + 0,
\}
" Start looking for the message and error type.
let l:looking_for_message = 1
endif
endfor
return l:output
endfunction
function! ale_linters#fortran#gcc#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'fortran_gcc_executable')
endfunction
function! ale_linters#fortran#gcc#GetCommand(buffer) abort
let l:layout_option = ale#Var(a:buffer, 'fortran_gcc_use_free_form')
\ ? '-ffree-form'
\ : '-ffixed-form'
return ale_linters#fortran#gcc#GetExecutable(a:buffer)
\ . ' -S -x f95 -fsyntax-only '
\ . l:layout_option . ' '
\ . ale#Var(a:buffer, 'fortran_gcc_options') . ' '
\ . '-'
endfunction
call ale#linter#Define('fortran', {
\ 'name': 'gcc',
\ 'output_stream': 'stderr',
\ 'executable_callback': 'ale_linters#fortran#gcc#GetExecutable',
\ 'command_callback': 'ale_linters#fortran#gcc#GetCommand',
\ 'callback': 'ale_linters#fortran#gcc#Handle',
\})
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