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" Haredoc plugin -- Hare documentation in vim
" Maintainer: Byron Torres <b@torresjrjr.com>
" Last Updated: 2022-06-15
" License: Vim License
command -nargs=? Haredoc :call Haredoc(<q-args>)
function Haredoc(symbol)
let symbol = a:symbol
let popup = symbol == '.'
if (symbol == '.' || symbol == ',')
let oldiskeyword = &iskeyword
setlocal iskeyword+=:
let symbol = expand('<cword>')
let &iskeyword = oldiskeyword
" resolve possibly partial symbols (chrono::moment)
if match(symbol, "::") != -1 && &buftype == ''
let [parent, base] = split(symbol, "::")[-2:-1]
" try joining symbol with a use statement.
" example: 'use time::chrono' -> 'time::chrono::moment'
let resolvecmd =<< trim eval CMD
awk '/use [a-zA-Z:]*{parent};/ {{
gsub("(use *|;.*)", "");
print $1 "::" "{base}"
}}' {expand("%")} 2>&-
CMD
let joined_symbol = system(join(resolvecmd))
if len(joined_symbol) != 0
let symbol = joined_symbol
endif
endif
endif
if popup && has('popupwin') && has('terminal')
let buf = term_start(
\ [
\ 'sh', '-c',
\ "haredoc -Ftty '"..symbol.."' | LESS= less -RKX",
\ ],
\ #{
\ term_name: '[haredoc] '..symbol,
\ hidden: 1,
\ term_finish: 'close',
\ },
\ )
call setbufvar(buf, "&bufhidden", 'wipe')
let minheight = 1 + system(
\ "haredoc -Ftty '"..symbol.."' 2>&1 | wc -l"
\ )
let winid = popup_atcursor(
\ buf,
\ #{
\ title: "[haredoc] "..symbol,
\ col: 'cursor-'..virtcol('.'),
\ minwidth: 84,
\ minheight: minheight,
\ fixed: v:false,
\ wrap: v:false,
\ border: [1, 1, 1, 1],
\ },
\ )
elseif has('terminal')
call term_start(
\ [
\ 'sh', '-c',
\ "haredoc -Ftty '"..symbol.."' | less -RKX",
\ ],
\ #{
\ term_name: '[haredoc] '..symbol,
\ },
\ )
set nonumber filetype=hare bufhidden=wipe
nnoremap <buffer> q :close<CR>
nnoremap <buffer> <nowait> u <C-U>
nnoremap <buffer> <nowait> d <C-D>
else
execute '!haredoc '..symbol
endif
endfunction
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