581 lines
16 KiB
VimL
581 lines
16 KiB
VimL
" don't spam the user when Vim is started in Vi compatibility mode
|
|
let s:cpo_save = &cpo
|
|
set cpo&vim
|
|
|
|
" PathSep returns the appropriate OS specific path separator.
|
|
function! go#util#PathSep() abort
|
|
if go#util#IsWin()
|
|
return '\'
|
|
endif
|
|
return '/'
|
|
endfunction
|
|
|
|
" PathListSep returns the appropriate OS specific path list separator.
|
|
function! go#util#PathListSep() abort
|
|
if go#util#IsWin()
|
|
return ";"
|
|
endif
|
|
return ":"
|
|
endfunction
|
|
|
|
" LineEnding returns the correct line ending, based on the current fileformat
|
|
function! go#util#LineEnding() abort
|
|
if &fileformat == 'dos'
|
|
return "\r\n"
|
|
elseif &fileformat == 'mac'
|
|
return "\r"
|
|
endif
|
|
|
|
return "\n"
|
|
endfunction
|
|
|
|
" Join joins any number of path elements into a single path, adding a
|
|
" Separator if necessary and returns the result
|
|
function! go#util#Join(...) abort
|
|
return join(a:000, go#util#PathSep())
|
|
endfunction
|
|
|
|
" IsWin returns 1 if current OS is Windows or 0 otherwise
|
|
function! go#util#IsWin() abort
|
|
let win = ['win16', 'win32', 'win64', 'win95']
|
|
for w in win
|
|
if (has(w))
|
|
return 1
|
|
endif
|
|
endfor
|
|
|
|
return 0
|
|
endfunction
|
|
|
|
" IsMac returns 1 if current OS is macOS or 0 otherwise.
|
|
function! go#util#IsMac() abort
|
|
return has('mac') ||
|
|
\ has('macunix') ||
|
|
\ has('gui_macvim') ||
|
|
\ go#util#Exec(['uname'])[0] =~? '^darwin'
|
|
endfunction
|
|
|
|
" Checks if using:
|
|
" 1) Windows system,
|
|
" 2) And has cygpath executable,
|
|
" 3) And uses *sh* as 'shell'
|
|
function! go#util#IsUsingCygwinShell()
|
|
return go#util#IsWin() && executable('cygpath') && &shell =~ '.*sh.*'
|
|
endfunction
|
|
|
|
" Check if Vim jobs API is supported.
|
|
"
|
|
" The (optional) first parameter can be added to indicate the 'cwd' or 'env'
|
|
" parameters will be used, which wasn't added until a later version.
|
|
function! go#util#has_job(...) abort
|
|
if has('nvim')
|
|
return 1
|
|
endif
|
|
|
|
" cwd and env parameters to job_start was added in this version.
|
|
if a:0 > 0 && a:1 is 1
|
|
return has('job') && has("patch-8.0.0902")
|
|
endif
|
|
|
|
" job was introduced in 7.4.xxx however there are multiple bug fixes and one
|
|
" of the latest is 8.0.0087 which is required for a stable async API.
|
|
return has('job') && has("patch-8.0.0087")
|
|
endfunction
|
|
|
|
let s:env_cache = {}
|
|
|
|
" env returns the go environment variable for the given key. Where key can be
|
|
" GOARCH, GOOS, GOROOT, etc... It caches the result and returns the cached
|
|
" version.
|
|
function! go#util#env(key) abort
|
|
let l:key = tolower(a:key)
|
|
if has_key(s:env_cache, l:key)
|
|
return s:env_cache[l:key]
|
|
endif
|
|
|
|
if executable('go')
|
|
let l:var = call('go#util#'.l:key, [])
|
|
if go#util#ShellError() != 0
|
|
call go#util#EchoError(printf("'go env %s' failed", toupper(l:key)))
|
|
return ''
|
|
endif
|
|
else
|
|
let l:var = eval("$".toupper(a:key))
|
|
endif
|
|
|
|
let s:env_cache[l:key] = l:var
|
|
return l:var
|
|
endfunction
|
|
|
|
" goarch returns 'go env GOARCH'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goarch")'
|
|
function! go#util#goarch() abort
|
|
return substitute(s:exec(['go', 'env', 'GOARCH'])[0], '\n', '', 'g')
|
|
endfunction
|
|
|
|
" goos returns 'go env GOOS'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goos")'
|
|
function! go#util#goos() abort
|
|
return substitute(s:exec(['go', 'env', 'GOOS'])[0], '\n', '', 'g')
|
|
endfunction
|
|
|
|
" goroot returns 'go env GOROOT'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("goroot")'
|
|
function! go#util#goroot() abort
|
|
return substitute(s:exec(['go', 'env', 'GOROOT'])[0], '\n', '', 'g')
|
|
endfunction
|
|
|
|
" gopath returns 'go env GOPATH'. This is an internal function and shouldn't
|
|
" be used. Instead use 'go#util#env("gopath")'
|
|
function! go#util#gopath() abort
|
|
return substitute(s:exec(['go', 'env', 'GOPATH'])[0], '\n', '', 'g')
|
|
endfunction
|
|
|
|
" gomod returns 'go env GOMOD'. gomod changes depending on the folder. Don't
|
|
" use go#util#env as it caches the value.
|
|
function! go#util#gomod() abort
|
|
return substitute(s:exec(['go', 'env', 'GOMOD'])[0], '\n', '', 'g')
|
|
endfunction
|
|
|
|
function! go#util#osarch() abort
|
|
return go#util#env("goos") . '_' . go#util#env("goarch")
|
|
endfunction
|
|
|
|
" go#util#ModuleRoot returns the root directory of the module of the current
|
|
" buffer.
|
|
function! go#util#ModuleRoot() abort
|
|
let [l:out, l:err] = go#util#ExecInDir(['go', 'env', 'GOMOD'])
|
|
if l:err != 0
|
|
return -1
|
|
endif
|
|
|
|
let l:module = split(l:out, '\n', 1)[0]
|
|
|
|
" When run with `GO111MODULE=on and not in a module directory, the module will be reported as /dev/null.
|
|
let l:fakeModule = '/dev/null'
|
|
if go#util#IsWin()
|
|
let l:fakeModule = 'NUL'
|
|
endif
|
|
|
|
if l:fakeModule == l:module
|
|
return expand('%:p:h')
|
|
endif
|
|
|
|
return fnamemodify(l:module, ':p:h')
|
|
endfunction
|
|
|
|
" Run a shell command.
|
|
"
|
|
" It will temporary set the shell to /bin/sh for Unix-like systems if possible,
|
|
" so that we always use a standard POSIX-compatible Bourne shell (and not e.g.
|
|
" csh, fish, etc.) See #988 and #1276.
|
|
function! s:system(cmd, ...) abort
|
|
" Preserve original shell, shellredir and shellcmdflag values
|
|
let l:shell = &shell
|
|
let l:shellredir = &shellredir
|
|
let l:shellcmdflag = &shellcmdflag
|
|
|
|
if !go#util#IsWin() && executable('/bin/sh')
|
|
set shell=/bin/sh shellredir=>%s\ 2>&1 shellcmdflag=-c
|
|
endif
|
|
|
|
try
|
|
return call('system', [a:cmd] + a:000)
|
|
finally
|
|
" Restore original values
|
|
let &shell = l:shell
|
|
let &shellredir = l:shellredir
|
|
let &shellcmdflag = l:shellcmdflag
|
|
endtry
|
|
endfunction
|
|
|
|
" System runs a shell command "str". Every arguments after "str" is passed to
|
|
" stdin.
|
|
function! go#util#System(str, ...) abort
|
|
return call('s:system', [a:str] + a:000)
|
|
endfunction
|
|
|
|
" Exec runs a shell command "cmd", which must be a list, one argument per item.
|
|
" Every list entry will be automatically shell-escaped
|
|
" Every other argument is passed to stdin.
|
|
function! go#util#Exec(cmd, ...) abort
|
|
if len(a:cmd) == 0
|
|
call go#util#EchoError("go#util#Exec() called with empty a:cmd")
|
|
return ['', 1]
|
|
endif
|
|
|
|
let l:bin = a:cmd[0]
|
|
|
|
" Lookup the full path, respecting settings such as 'go_bin_path'. On errors,
|
|
" CheckBinPath will show a warning for us.
|
|
let l:bin = go#path#CheckBinPath(l:bin)
|
|
if empty(l:bin)
|
|
return ['', 1]
|
|
endif
|
|
|
|
" Finally execute the command using the full, resolved path. Do not pass the
|
|
" unmodified command as the correct program might not exist in $PATH.
|
|
return call('s:exec', [[l:bin] + a:cmd[1:]] + a:000)
|
|
endfunction
|
|
|
|
function! go#util#ExecInDir(cmd, ...) abort
|
|
if !isdirectory(expand("%:p:h"))
|
|
return ['', 1]
|
|
endif
|
|
|
|
let cd = exists('*haslocaldir') && haslocaldir() ? 'lcd ' : 'cd '
|
|
let dir = getcwd()
|
|
try
|
|
execute cd . fnameescape(expand("%:p:h"))
|
|
let [l:out, l:err] = call('go#util#Exec', [a:cmd] + a:000)
|
|
finally
|
|
execute cd . fnameescape(l:dir)
|
|
endtry
|
|
return [l:out, l:err]
|
|
endfunction
|
|
|
|
function! s:exec(cmd, ...) abort
|
|
let l:bin = a:cmd[0]
|
|
let l:cmd = go#util#Shelljoin([l:bin] + a:cmd[1:])
|
|
if go#util#HasDebug('shell-commands')
|
|
call go#util#EchoInfo('shell command: ' . l:cmd)
|
|
endif
|
|
|
|
let l:out = call('s:system', [l:cmd] + a:000)
|
|
return [l:out, go#util#ShellError()]
|
|
endfunction
|
|
|
|
function! go#util#ShellError() abort
|
|
return v:shell_error
|
|
endfunction
|
|
|
|
" StripPath strips the path's last character if it's a path separator.
|
|
" example: '/foo/bar/' -> '/foo/bar'
|
|
function! go#util#StripPathSep(path) abort
|
|
let last_char = strlen(a:path) - 1
|
|
if a:path[last_char] == go#util#PathSep()
|
|
return strpart(a:path, 0, last_char)
|
|
endif
|
|
|
|
return a:path
|
|
endfunction
|
|
|
|
" StripTrailingSlash strips the trailing slash from the given path list.
|
|
" example: ['/foo/bar/'] -> ['/foo/bar']
|
|
function! go#util#StripTrailingSlash(paths) abort
|
|
return map(copy(a:paths), 'go#util#StripPathSep(v:val)')
|
|
endfunction
|
|
|
|
" Shelljoin returns a shell-safe string representation of arglist. The
|
|
" {special} argument of shellescape() may optionally be passed.
|
|
function! go#util#Shelljoin(arglist, ...) abort
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
if a:0
|
|
return join(map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')'), ' ')
|
|
endif
|
|
|
|
return join(map(copy(a:arglist), 'shellescape(v:val)'), ' ')
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endfunction
|
|
|
|
fu! go#util#Shellescape(arg)
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
return shellescape(a:arg)
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endf
|
|
|
|
" Shelllist returns a shell-safe representation of the items in the given
|
|
" arglist. The {special} argument of shellescape() may optionally be passed.
|
|
function! go#util#Shelllist(arglist, ...) abort
|
|
try
|
|
let ssl_save = &shellslash
|
|
set noshellslash
|
|
if a:0
|
|
return map(copy(a:arglist), 'shellescape(v:val, ' . a:1 . ')')
|
|
endif
|
|
return map(copy(a:arglist), 'shellescape(v:val)')
|
|
finally
|
|
let &shellslash = ssl_save
|
|
endtry
|
|
endfunction
|
|
|
|
" Returns the byte offset for line and column
|
|
function! go#util#Offset(line, col) abort
|
|
if &encoding != 'utf-8'
|
|
let sep = go#util#LineEnding()
|
|
let buf = a:line == 1 ? '' : (join(getline(1, a:line-1), sep) . sep)
|
|
let buf .= a:col == 1 ? '' : getline('.')[:a:col-2]
|
|
return len(iconv(buf, &encoding, 'utf-8'))
|
|
endif
|
|
return line2byte(a:line) + (a:col-2)
|
|
endfunction
|
|
"
|
|
" Returns the byte offset for the cursor
|
|
function! go#util#OffsetCursor() abort
|
|
return go#util#Offset(line('.'), col('.'))
|
|
endfunction
|
|
|
|
" Windo is like the built-in :windo, only it returns to the window the command
|
|
" was issued from
|
|
function! go#util#Windo(command) abort
|
|
let s:currentWindow = winnr()
|
|
try
|
|
execute "windo " . a:command
|
|
finally
|
|
execute s:currentWindow. "wincmd w"
|
|
unlet s:currentWindow
|
|
endtry
|
|
endfunction
|
|
|
|
" snippetcase converts the given word to given preferred snippet setting type
|
|
" case.
|
|
function! go#util#snippetcase(word) abort
|
|
let l:snippet_case = go#config#AddtagsTransform()
|
|
if l:snippet_case == "snakecase"
|
|
return go#util#snakecase(a:word)
|
|
elseif l:snippet_case == "camelcase"
|
|
return go#util#camelcase(a:word)
|
|
else
|
|
return a:word " do nothing
|
|
endif
|
|
endfunction
|
|
|
|
" snakecase converts a string to snake case. i.e: FooBar -> foo_bar
|
|
" Copied from tpope/vim-abolish
|
|
function! go#util#snakecase(word) abort
|
|
let word = substitute(a:word, '::', '/', 'g')
|
|
let word = substitute(word, '\(\u\+\)\(\u\l\)', '\1_\2', 'g')
|
|
let word = substitute(word, '\(\l\|\d\)\(\u\)', '\1_\2', 'g')
|
|
let word = substitute(word, '[.-]', '_', 'g')
|
|
let word = tolower(word)
|
|
return word
|
|
endfunction
|
|
|
|
" camelcase converts a string to camel case. e.g. FooBar or foo_bar will become
|
|
" fooBar.
|
|
" Copied from tpope/vim-abolish.
|
|
function! go#util#camelcase(word) abort
|
|
let word = substitute(a:word, '-', '_', 'g')
|
|
if word !~# '_' && word =~# '\l'
|
|
return substitute(word, '^.', '\l&', '')
|
|
else
|
|
return substitute(word, '\C\(_\)\=\(.\)', '\=submatch(1)==""?tolower(submatch(2)) : toupper(submatch(2))','g')
|
|
endif
|
|
endfunction
|
|
|
|
" pascalcase converts a string to 'PascalCase'. e.g. fooBar or foo_bar will
|
|
" become FooBar.
|
|
function! go#util#pascalcase(word) abort
|
|
let word = go#util#camelcase(a:word)
|
|
return toupper(word[0]) . word[1:]
|
|
endfunction
|
|
|
|
" Echo a message to the screen and highlight it with the group in a:hi.
|
|
"
|
|
" The message can be a list or string; every line with be :echomsg'd separately.
|
|
function! s:echo(msg, hi)
|
|
let l:msg = []
|
|
if type(a:msg) != type([])
|
|
let l:msg = split(a:msg, "\n")
|
|
else
|
|
let l:msg = a:msg
|
|
endif
|
|
|
|
" Tabs display as ^I or <09>, so manually expand them.
|
|
let l:msg = map(l:msg, 'substitute(v:val, "\t", " ", "")')
|
|
|
|
exe 'echohl ' . a:hi
|
|
for line in l:msg
|
|
echom "vim-go: " . line
|
|
endfor
|
|
echohl None
|
|
endfunction
|
|
|
|
function! go#util#EchoSuccess(msg)
|
|
call s:echo(a:msg, 'Function')
|
|
endfunction
|
|
function! go#util#EchoError(msg)
|
|
call s:echo(a:msg, 'ErrorMsg')
|
|
endfunction
|
|
function! go#util#EchoWarning(msg)
|
|
call s:echo(a:msg, 'WarningMsg')
|
|
endfunction
|
|
function! go#util#EchoProgress(msg)
|
|
redraw
|
|
call s:echo(a:msg, 'Identifier')
|
|
endfunction
|
|
function! go#util#EchoInfo(msg)
|
|
call s:echo(a:msg, 'Debug')
|
|
endfunction
|
|
|
|
" Get all lines in the buffer as a a list.
|
|
function! go#util#GetLines()
|
|
let buf = getline(1, '$')
|
|
if &encoding != 'utf-8'
|
|
let buf = map(buf, 'iconv(v:val, &encoding, "utf-8")')
|
|
endif
|
|
if &l:fileformat == 'dos'
|
|
" XXX: line2byte() depend on 'fileformat' option.
|
|
" so if fileformat is 'dos', 'buf' must include '\r'.
|
|
let buf = map(buf, 'v:val."\r"')
|
|
endif
|
|
return buf
|
|
endfunction
|
|
|
|
" Convert the current buffer to the "archive" format of
|
|
" golang.org/x/tools/go/buildutil:
|
|
" https://godoc.org/golang.org/x/tools/go/buildutil#ParseOverlayArchive
|
|
"
|
|
" > The archive consists of a series of files. Each file consists of a name, a
|
|
" > decimal file size and the file contents, separated by newlinews. No newline
|
|
" > follows after the file contents.
|
|
function! go#util#archive()
|
|
let l:buffer = join(go#util#GetLines(), "\n")
|
|
return expand("%:p:gs!\\!/!") . "\n" . strlen(l:buffer) . "\n" . l:buffer
|
|
endfunction
|
|
|
|
" Make a named temporary directory which starts with "prefix".
|
|
"
|
|
" Unfortunately Vim's tempname() is not portable enough across various systems;
|
|
" see: https://github.com/mattn/vim-go/pull/3#discussion_r138084911
|
|
function! go#util#tempdir(prefix) abort
|
|
" See :help tempfile
|
|
if go#util#IsWin()
|
|
let l:dirs = [$TMP, $TEMP, 'c:\tmp', 'c:\temp']
|
|
else
|
|
let l:dirs = [$TMPDIR, '/tmp', './', $HOME]
|
|
endif
|
|
|
|
let l:dir = ''
|
|
for l:d in dirs
|
|
if !empty(l:d) && filewritable(l:d) == 2
|
|
let l:dir = l:d
|
|
break
|
|
endif
|
|
endfor
|
|
|
|
if l:dir == ''
|
|
call go#util#EchoError('Unable to find directory to store temporary directory in')
|
|
return
|
|
endif
|
|
|
|
" Not great randomness, but "good enough" for our purpose here.
|
|
let l:rnd = sha256(printf('%s%s', localtime(), fnamemodify(bufname(''), ":p")))
|
|
let l:tmp = printf("%s/%s%s", l:dir, a:prefix, l:rnd)
|
|
call mkdir(l:tmp, 'p', 0700)
|
|
return l:tmp
|
|
endfunction
|
|
|
|
" Report if the user enabled a debug flag in g:go_debug.
|
|
function! go#util#HasDebug(flag)
|
|
return index(go#config#Debug(), a:flag) >= 0
|
|
endfunction
|
|
|
|
function! go#util#OpenBrowser(url) abort
|
|
let l:cmd = go#config#PlayBrowserCommand()
|
|
if len(l:cmd) == 0
|
|
redraw
|
|
echohl WarningMsg
|
|
echo "It seems that you don't have general web browser. Open URL below."
|
|
echohl None
|
|
echo a:url
|
|
return
|
|
endif
|
|
|
|
" if setting starts with a !.
|
|
if l:cmd =~ '^!'
|
|
let l:cmd = substitute(l:cmd, '%URL%', '\=escape(shellescape(a:url), "#")', 'g')
|
|
silent! exec l:cmd
|
|
elseif cmd =~ '^:[A-Z]'
|
|
let l:cmd = substitute(l:cmd, '%URL%', '\=escape(a:url,"#")', 'g')
|
|
exec l:cmd
|
|
else
|
|
let l:cmd = substitute(l:cmd, '%URL%', '\=shellescape(a:url)', 'g')
|
|
call go#util#System(l:cmd)
|
|
endif
|
|
endfunction
|
|
|
|
function! go#util#ParseErrors(lines) abort
|
|
let errors = []
|
|
|
|
for line in a:lines
|
|
let fatalerrors = matchlist(line, '^\(fatal error:.*\)$')
|
|
let tokens = matchlist(line, '^\s*\(.\{-}\):\(\d\+\):\s*\(.*\)')
|
|
|
|
if !empty(fatalerrors)
|
|
call add(errors, {"text": fatalerrors[1]})
|
|
elseif !empty(tokens)
|
|
" strip endlines of form ^M
|
|
let out = substitute(tokens[3], '\r$', '', '')
|
|
|
|
call add(errors, {
|
|
\ "filename" : fnamemodify(tokens[1], ':p'),
|
|
\ "lnum" : tokens[2],
|
|
\ "text" : out,
|
|
\ })
|
|
elseif !empty(errors)
|
|
" Preserve indented lines.
|
|
" This comes up especially with multi-line test output.
|
|
if match(line, '^\s') >= 0
|
|
call add(errors, {"text": substitute(line, '\r$', '', '')})
|
|
endif
|
|
endif
|
|
endfor
|
|
|
|
return errors
|
|
endfunction
|
|
|
|
function! go#util#ShowInfo(info)
|
|
if empty(a:info)
|
|
return
|
|
endif
|
|
|
|
echo "vim-go: " | echohl Function | echon a:info | echohl None
|
|
endfunction
|
|
|
|
" go#util#SetEnv takes the name of an environment variable and what its value
|
|
" should be and returns a function that will restore it to its original value.
|
|
function! go#util#SetEnv(name, value) abort
|
|
let l:state = {}
|
|
|
|
if len(a:name) == 0
|
|
return function('s:noop', [], l:state)
|
|
endif
|
|
|
|
let l:remove = 0
|
|
if exists('$' . a:name)
|
|
let l:oldvalue = eval('$' . a:name)
|
|
else
|
|
let l:remove = 1
|
|
endif
|
|
|
|
" wrap the value in single quotes so that it will work on windows when there
|
|
" are backslashes present in the value (e.g. $PATH).
|
|
call execute('let $' . a:name . " = '" . a:value . "'")
|
|
|
|
if l:remove
|
|
function! s:remove(name) abort
|
|
call execute('unlet $' . a:name)
|
|
endfunction
|
|
return function('s:remove', [a:name], l:state)
|
|
endif
|
|
|
|
return function('go#util#SetEnv', [a:name, l:oldvalue], l:state)
|
|
endfunction
|
|
|
|
function! s:noop(...) abort dict
|
|
endfunction
|
|
|
|
" restore Vi compatibility settings
|
|
let &cpo = s:cpo_save
|
|
unlet s:cpo_save
|
|
|
|
" vim: sw=2 ts=2 et
|