nvim/pack/acp/start/vim-go/autoload/go/lsp/lsp.vim

72 lines
1.7 KiB
VimL

" don't spam the user when Vim is started in Vi compatibility mode
let s:cpo_save = &cpo
set cpo&vim
" go#lsp#lsp#Position returns the LSP text position. If no arguments are
" provided, the cursor position is assumed. Otherwise, there should be two
" arguments: the line and the column.
function! go#lsp#lsp#Position(...)
if a:0 < 2
let [l:line, l:col] = getpos('.')[1:2]
else
let l:line = a:1
let l:col = a:2
endif
let l:content = getline(l:line)
" LSP uses 0-based lines.
return [l:line - 1, s:character(l:line, l:col-1)]
endfunction
function! s:strlen(str) abort
let l:runes = split(a:str, '\zs')
return len(l:runes) + len(filter(l:runes, 'char2nr(v:val)>=0x10000'))
endfunction
function! s:character(line, col) abort
return s:strlen(getline(a:line)[:col([a:line, a:col - 1])])
endfunction
" go#lsp#PositionOf returns len(content[0:units]) where units is utf-16 code
" units. This is mostly useful for converting LSP text position to vim
" position.
function! go#lsp#lsp#PositionOf(content, units, ...) abort
if a:units == 0
return 1
endif
let l:remaining = a:units
let l:str = ''
for l:rune in split(a:content, '\zs')
if l:remaining < 0
break
endif
let l:remaining -= 1
if char2nr(l:rune) >= 0x10000
let l:remaining -= 1
endif
let l:str = l:str . l:rune
endfor
return len(l:str)
endfunction
function! go#lsp#lsp#SeverityToErrorType(severity) abort
if a:severity == 1
return 'E'
elseif a:severity == 2
return 'W'
elseif a:severity == 3
return 'I'
elseif a:severity == 4
return 'I'
endif
return ''
endfunction
" restore Vi compatibility settings
let &cpo = s:cpo_save
unlet s:cpo_save
" vim: sw=2 ts=2 et