101 lines
2.6 KiB
VimL
101 lines
2.6 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: Contains miscellaneous functions
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function! s:FindWrapperScript() abort
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for l:parent in split(&runtimepath, ',')
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" Expand the path to deal with ~ issues.
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let l:path = expand(l:parent . '/' . 'stdin-wrapper')
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if filereadable(l:path)
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if has('win32')
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return l:path . '.exe'
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endif
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return l:path
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endif
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endfor
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endfunction
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let g:ale#util#stdin_wrapper = s:FindWrapperScript()
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" A null file for sending output to nothing.
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let g:ale#util#nul_file = '/dev/null'
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if has('win32')
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let g:ale#util#nul_file = 'nul'
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endif
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" Return the number of lines for a given buffer.
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function! ale#util#GetLineCount(buffer) abort
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return len(getbufline(a:buffer, 1, '$'))
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endfunction
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" Given a buffer and a filename, find the nearest file by searching upwards
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" through the paths relative to the given buffer.
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function! ale#util#FindNearestFile(buffer, filename) abort
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return findfile(a:filename, fnamemodify(bufname(a:buffer), ':p') . ';')
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endfunction
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function! ale#util#GetFunction(string_or_ref) abort
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if type(a:string_or_ref) == type('')
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return function(a:string_or_ref)
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endif
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return a:string_or_ref
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endfunction
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function! ale#util#LocItemCompare(left, right) abort
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if a:left['lnum'] < a:right['lnum']
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return -1
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endif
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if a:left['lnum'] > a:right['lnum']
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return 1
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endif
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if a:left['col'] < a:right['col']
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return -1
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endif
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if a:left['col'] > a:right['col']
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return 1
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endif
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return 0
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endfunction
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" This function will perform a binary search to find a message from the
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" loclist to echo when the cursor moves.
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function! ale#util#BinarySearch(loclist, line, column) abort
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let l:min = 0
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let l:max = len(a:loclist) - 1
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let l:last_column_match = -1
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while 1
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if l:max < l:min
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return l:last_column_match
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endif
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let l:mid = (l:min + l:max) / 2
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let l:obj = a:loclist[l:mid]
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" Binary search to get on the same line
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if a:loclist[l:mid]['lnum'] < a:line
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let l:min = l:mid + 1
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elseif a:loclist[l:mid]['lnum'] > a:line
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let l:max = l:mid - 1
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else
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let l:last_column_match = l:mid
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" Binary search to get the same column, or near it
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if a:loclist[l:mid]['col'] < a:column
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let l:min = l:mid + 1
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elseif a:loclist[l:mid]['col'] > a:column
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let l:max = l:mid - 1
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else
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return l:mid
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endif
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endif
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endwhile
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endfunction
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