You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

173 lines
4.8 KiB
VimL

let s:sock_type = (has('win32') || has('win64')) ? 'tcp' : 'unix'
function! s:gocodeCurrentBuffer() abort
let file = tempname()
call writefile(go#util#GetLines(), file)
return file
endfunction
function! s:gocodeCommand(cmd, preargs, args) abort
for i in range(0, len(a:args) - 1)
let a:args[i] = go#util#Shellescape(a:args[i])
endfor
for i in range(0, len(a:preargs) - 1)
let a:preargs[i] = go#util#Shellescape(a:preargs[i])
endfor
let bin_path = go#path#CheckBinPath("gocode")
if empty(bin_path)
return
endif
" We might hit cache problems, as gocode doesn't handle different GOPATHs
" well. See: https://github.com/nsf/gocode/issues/239
let old_goroot = $GOROOT
let $GOROOT = go#util#env("goroot")
try
let socket_type = get(g:, 'go_gocode_socket_type', s:sock_type)
let cmd = printf('%s -sock %s %s %s %s',
\ go#util#Shellescape(bin_path),
\ socket_type,
\ join(a:preargs),
\ go#util#Shellescape(a:cmd),
\ join(a:args)
\ )
let result = go#util#System(cmd)
finally
let $GOROOT = old_goroot
endtry
if go#util#ShellError() != 0
return "[\"0\", []]"
else
if &encoding != 'utf-8'
let result = iconv(result, 'utf-8', &encoding)
endif
return result
endif
endfunction
function! s:gocodeCurrentBufferOpt(filename) abort
return '-in=' . a:filename
endfunction
let s:optionsEnabled = 0
function! s:gocodeEnableOptions() abort
if s:optionsEnabled
return
endif
let bin_path = go#path#CheckBinPath("gocode")
if empty(bin_path)
return
endif
let s:optionsEnabled = 1
call go#util#System(printf('%s set propose-builtins %s', go#util#Shellescape(bin_path), s:toBool(get(g:, 'go_gocode_propose_builtins', 1))))
call go#util#System(printf('%s set autobuild %s', go#util#Shellescape(bin_path), s:toBool(get(g:, 'go_gocode_autobuild', 1))))
call go#util#System(printf('%s set unimported-packages %s', go#util#Shellescape(bin_path), s:toBool(get(g:, 'go_gocode_unimported_packages', 0))))
endfunction
function! s:toBool(val) abort
if a:val | return 'true ' | else | return 'false' | endif
endfunction
function! s:gocodeAutocomplete() abort
call s:gocodeEnableOptions()
let filename = s:gocodeCurrentBuffer()
let result = s:gocodeCommand('autocomplete',
\ [s:gocodeCurrentBufferOpt(filename), '-f=vim'],
\ [expand('%:p'), go#util#OffsetCursor()])
call delete(filename)
return result
endfunction
function! go#complete#GetInfo() abort
let offset = go#util#OffsetCursor()+1
let filename = s:gocodeCurrentBuffer()
let result = s:gocodeCommand('autocomplete',
\ [s:gocodeCurrentBufferOpt(filename), '-f=godit'],
\ [expand('%:p'), offset])
call delete(filename)
" first line is: Charcount,,NumberOfCandidates, i.e: 8,,1
" following lines are candiates, i.e: func foo(name string),,foo(
let out = split(result, '\n')
" no candidates are found
if len(out) == 1
return ""
endif
" only one candidate is found
if len(out) == 2
return split(out[1], ',,')[0]
endif
" to many candidates are available, pick one that maches the word under the
" cursor
let infos = []
for info in out[1:]
call add(infos, split(info, ',,')[0])
endfor
let wordMatch = '\<' . expand("<cword>") . '\>'
" escape single quotes in wordMatch before passing it to filter
let wordMatch = substitute(wordMatch, "'", "''", "g")
let filtered = filter(infos, "v:val =~ '".wordMatch."'")
if len(filtered) == 1
return filtered[0]
endif
return ""
endfunction
function! go#complete#Info(auto) abort
" auto is true if we were called by g:go_auto_type_info's autocmd
let result = go#complete#GetInfo()
if !empty(result)
" if auto, and the result is a PANIC by gocode, hide it
if a:auto && result ==# 'PANIC PANIC PANIC' | return | endif
echo "vim-go: " | echohl Function | echon result | echohl None
endif
endfunction
function! s:trim_bracket(val) abort
let a:val.word = substitute(a:val.word, '[(){}\[\]]\+$', '', '')
return a:val
endfunction
function! go#complete#Complete(findstart, base) abort
"findstart = 1 when we need to get the text length
if a:findstart == 1
execute "silent let g:gocomplete_completions = " . s:gocodeAutocomplete()
return col('.') - g:gocomplete_completions[0] - 1
"findstart = 0 when we need to return the list of completions
else
let s = getline(".")[col('.') - 1]
if s =~ '[(){}\{\}]'
return map(copy(g:gocomplete_completions[1]), 's:trim_bracket(v:val)')
endif
return g:gocomplete_completions[1]
endif
endf
function! go#complete#ToggleAutoTypeInfo() abort
if get(g:, "go_auto_type_info", 0)
let g:go_auto_type_info = 0
call go#util#EchoProgress("auto type info disabled")
return
end
let g:go_auto_type_info = 1
call go#util#EchoProgress("auto type info enabled")
endfunction
" vim: sw=2 ts=2 et