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" Author: Daniel Schemala <istjanichtzufassen@gmail.com>,
" w0rp <devw0rp@gmail.com>
"
" Description: This file implements handlers specific to Rust.
if !exists('g:ale_rust_ignore_error_codes')
let g:ale_rust_ignore_error_codes = []
endif
if !exists('g:ale_rust_ignore_secondary_spans')
let g:ale_rust_ignore_secondary_spans = 0
endif
function! s:FindSpan(buffer, span) abort
if ale#path#IsBufferPath(a:buffer, a:span.file_name) || a:span.file_name is# '<anon>'
return a:span
endif
" Search inside the expansion of an error, as the problem for this buffer
" could lie inside a nested object.
if !empty(get(a:span, 'expansion', v:null))
return s:FindSpan(a:buffer, a:span.expansion.span)
endif
return {}
endfunction
function! ale#handlers#rust#HandleRustErrors(buffer, lines) abort
let l:output = []
for l:errorline in a:lines
" ignore everything that is not JSON
if l:errorline !~# '^{'
continue
endif
let l:error = json_decode(l:errorline)
if has_key(l:error, 'message') && type(l:error.message) is v:t_dict
let l:error = l:error.message
endif
if !has_key(l:error, 'code')
continue
endif
if !empty(l:error.code) && index(g:ale_rust_ignore_error_codes, l:error.code.code) > -1
continue
endif
for l:root_span in l:error.spans
if ale#Var(a:buffer, 'rust_only_current_buffer')
let l:span = s:FindSpan(a:buffer, l:root_span)
else
let l:span = l:root_span
endif
if ale#Var(a:buffer, 'rust_ignore_secondary_spans') && !get(l:span, 'is_primary', 1)
continue
endif
if !empty(l:span)
let l:output_line = {
\ 'filename': l:span.file_name,
\ 'lnum': l:span.line_start,
\ 'end_lnum': l:span.line_end,
\ 'col': l:span.column_start,
\ 'end_col': l:span.column_end-1,
\ 'text': empty(l:span.label) ? l:error.message : printf('%s: %s', l:error.message, l:span.label),
\ 'type': toupper(l:error.level[0]),
\}
if has_key(l:error, 'rendered') && !empty(l:error.rendered)
let l:output_line.detail = l:error.rendered
endif
call add(l:output, l:output_line)
endif
endfor
endfor
return l:output
endfunction
|
