59 lines
1.4 KiB
VimL
59 lines
1.4 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
|
||
|
|
|
||
|
|
" restore Vi compatibility settings
|
||
|
|
let &cpo = s:cpo_save
|
||
|
|
unlet s:cpo_save
|
||
|
|
|
||
|
|
" vim: sw=2 ts=2 et
|