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Diffstat (limited to 'autoload')
| -rw-r--r-- | autoload/ale/highlight.vim | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/autoload/ale/highlight.vim b/autoload/ale/highlight.vim index 2240c595..7807c8da 100644 --- a/autoload/ale/highlight.vim +++ b/autoload/ale/highlight.vim @@ -28,6 +28,30 @@ endif " the buffer is in focus when linting completes. let s:buffer_highlights = {} let s:buffer_restore_map = {} +" The maximum number of items for the second argument of matchaddpos() +let s:MAX_POS_VALUES = 8 +let s:MAX_COL_SIZE = 4294967296 + +function! ale#highlight#CreatePositions(line, col, end_line, end_col) abort + if a:line >= a:end_line + " For single lines, just return the one position. + return [[[a:line, a:col, a:end_col - a:col + 1]]] + endif + + " Get positions from the first line at the first column, up to a large + " integer for highlighting up to the end of the line, followed by + " the lines in-between, for highlighting entire lines, and + " a highlight for the last line, up to the end column. + let l:all_positions = + \ [[a:line, a:col, s:MAX_COL_SIZE]] + \ + range(a:line + 1, a:end_line - 1) + \ + [[a:end_line, 1, a:end_col]] + + return map( + \ range(0, len(l:all_positions) - 1, s:MAX_POS_VALUES), + \ 'l:all_positions[v:val : v:val + s:MAX_POS_VALUES - 1]', + \) +endfunction function! ale#highlight#UnqueueHighlights(buffer) abort if has_key(s:buffer_highlights, a:buffer) |