vim-fireplace/autoload/nrepl/foreplay_connection.vim
Tim Pope e62540fef9 Separate user from system evals
This keeps the user's session clean by not using it for things the user
did not directly dispatch (such as omnicomplete).  On the fence but
currently included in the user session is commands like :Doc.
2013-01-05 00:08:32 -05:00

243 lines
7.0 KiB
VimL

" nrepl/foreplay_connection.vim
" Maintainer: Tim Pope <http://tpo.pe/>
if exists("g:autoloaded_nrepl_foreplay_connection") || &cp
finish
endif
let g:autoloaded_nrepl_foreplay_connection = 1
function! s:function(name) abort
return function(substitute(a:name,'^s:',matchstr(expand('<sfile>'), '<SNR>\d\+_'),''))
endfunction
" Bencode {{{1
function! nrepl#foreplay_connection#bencode(value) abort
if type(a:value) == type(0)
return 'i'.a:value.'e'
elseif type(a:value) == type('')
return strlen(a:value).':'.a:value
elseif type(a:value) == type([])
return 'l'.join(map(a:value,'nrepl#foreplay_connection#bencode(v:val)'),'').'e'
elseif type(a:value) == type({})
return 'd'.join(values(map(a:value,'nrepl#foreplay_connection#bencode(v:key).nrepl#foreplay_connection#bencode(v:val)')),'').'e'
else
throw "Can't bencode ".string(a:value)
endif
endfunction
function! nrepl#foreplay_connection#bdecode(value) abort
return s:bdecode({'pos': 0, 'value': a:value})
endfunction
function! s:bdecode(state) abort
let value = a:state.value
if value[a:state.pos] =~# '\d'
let pos = a:state.pos
let length = matchstr(value[pos : -1], '^\d\+')
let a:state.pos += strlen(length) + length + 1
return value[pos+strlen(length)+1 : pos+strlen(length)+length]
elseif value[a:state.pos] ==# 'i'
let int = matchstr(value[a:state.pos+1:-1], '[^e]*')
let a:state.pos += 2 + strlen(int)
return str2nr(int)
elseif value[a:state.pos] ==# 'l'
let values = []
let a:state.pos += 1
while value[a:state.pos] !=# 'e' && value[a:state.pos] !=# ''
call add(values, s:bdecode(a:state))
endwhile
let a:state.pos += 1
return values
elseif value[a:state.pos] ==# 'd'
let values = {}
let a:state.pos += 1
while value[a:state.pos] !=# 'e' && value[a:state.pos] !=# ''
let key = s:bdecode(a:state)
let values[key] = s:bdecode(a:state)
endwhile
let a:state.pos += 1
return values
else
throw 'bencode parse error: '.string(a:state)
endif
endfunction
" }}}1
function! s:shellesc(arg) abort
if a:arg =~ '^[A-Za-z0-9_/.-]\+$'
return a:arg
elseif &shell =~# 'cmd'
return '"'.substitute(substitute(a:arg, '"', '""', 'g'), '%', '"%"', 'g').'"'
else
let escaped = shellescape(a:arg)
if &shell =~# 'sh' && &shell !~# 'csh'
return substitute(escaped, '\\\n', '\n', 'g')
else
return escaped
endif
endif
endfunction
function! nrepl#foreplay_connection#prompt() abort
return foreplay#input_host_port()
endfunction
function! nrepl#foreplay_connection#open(arg) abort
if a:arg =~# '^\d\+$'
let host = 'localhost'
let port = a:arg
elseif a:arg =~# ':\d\+$'
let host = matchstr(a:arg, '.*\ze:')
let port = matchstr(a:arg, ':\zs.*')
else
throw "nREPL: Couldn't find [host:]port in " . a:arg
endif
let client = deepcopy(s:nrepl)
let client.host = host
let client.port = port
let session = client.process({'op': 'clone'})['new-session']
let response = client.process({'op': 'eval', 'session': session, 'code':
\ '(do (println "success") (symbol (str (System/getProperty "path.separator") (System/getProperty "java.class.path"))))'})
let client._path = response.value[-1]
if has_key(response, 'out')
let client.session = session
endif
return client
endfunction
function! s:nrepl_path() dict abort
return split(self._path[1:-1], self._path[0])
endfunction
function! s:nrepl_process(payload) dict abort
let combined = {'status': [], 'session': []}
for response in self.call(a:payload)
for key in keys(response)
if key ==# 'id' || key ==# 'ns'
let combined[key] = response[key]
elseif key ==# 'value'
let combined.value = extend(get(combined, 'value', []), [response.value])
elseif key ==# 'status'
for entry in response[key]
if index(combined[key], entry) < 0
call extend(combined[key], [entry])
endif
endfor
elseif key ==# 'session'
if index(combined[key], response[key]) < 0
call extend(combined[key], [response[key]])
endif
elseif type(response[key]) == type('')
let combined[key] = get(combined, key, '') . response[key]
else
let combined[key] = response[key]
endif
endfor
endfor
if index(combined.status, 'error') >= 0
throw 'nREPL: ' . tr(combined.status[0], '-', ' ')
endif
return combined
endfunction
function! s:nrepl_eval(expr, ...) dict abort
let payload = {"op": "eval", "code": a:expr}
let options = a:0 ? a:1 : {}
if has_key(options, 'ns')
let payload.ns = options.ns
elseif has_key(self, 'ns')
let payload.ns = self.ns
endif
if get(options, 'session', 1)
if has_key(self, 'session')
let payload.session = self.session
elseif &verbose
echohl WarningMSG
echo "nREPL: server has bug preventing session support"
echohl None
endif
endif
let response = self.process(payload)
if has_key(response, 'ns') && !a:0
let self.ns = response.ns
endif
if has_key(response, 'value')
let response.value = response.value[-1]
endif
return response
endfunction
function! s:nrepl_call(payload) dict abort
let in = 'ruby -rsocket -e '.s:shellesc(
\ 'begin;' .
\ 'TCPSocket.open(%(' . self.host . '), ' . self.port . ') {|s|' .
\ 's.write(ARGV.first); loop {' .
\ 'body = s.readpartial(8192);' .
\ 'raise %(not an nREPL server: upgrade to Leiningen 2) if body =~ /=> $/;' .
\ 'print body;' .
\ 'break if body.include?(%(6:statusl4:done)) }};' .
\ 'rescue; abort $!.to_s;' .
\ 'end') . ' ' .
\ s:shellesc(nrepl#foreplay_connection#bencode(a:payload))
let out = system(in)
if !v:shell_error
return nrepl#foreplay_connection#bdecode('l'.out.'e')
endif
throw 'nREPL: '.split(out, "\n")[0]
endfunction
let s:nrepl = {
\ 'call': s:function('s:nrepl_call'),
\ 'eval': s:function('s:nrepl_eval'),
\ 'path': s:function('s:nrepl_path'),
\ 'process': s:function('s:nrepl_process')}
if !has('ruby')
finish
endif
ruby <<
require 'timeout'
require 'socket'
class << ::VIM
def string_encode(str)
'"' + str.gsub(/[\000-\037"\\]/) { |x| "\\%03o" % (x.respond_to?(:ord) ? x.ord : x[0]) } + '"'
end
def let(var, value)
command("let #{var} = #{string_encode(value)}")
end
end
.
function! s:nrepl_call(payload) dict abort
let payload = nrepl#foreplay_connection#bencode(a:payload)
ruby <<
begin
buffer = ''
Timeout.timeout(16) do
TCPSocket.open(::VIM.evaluate('self.host'), ::VIM.evaluate('self.port').to_i) do |s|
s.write(::VIM.evaluate('payload'))
loop do
body = s.readpartial(8192)
raise "not an nREPL server: upgrade to Leiningen 2" if body =~ /=> $/
buffer << body
break if body.include?("6:statusl4:done")
end
::VIM.let('out', buffer)
end
end
rescue
::VIM.let('err', $!.to_s)
end
.
if !exists('err')
return nrepl#foreplay_connection#bdecode('l'.out.'e')
endif
throw 'nREPL: '.err
endfunction
" vim:set et sw=2: