296 lines
8.5 KiB
VimL
296 lines
8.5 KiB
VimL
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" Erlang refactor file
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" Language: Erlang
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" Maintainer: Pawel 'kTT' Salata <rockplayer.pl@gmail.com>
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" URL: http://ktototaki.info
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if exists("b:did_ftplugin_erlang")
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finish
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endif
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" Don't load any other
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let b:did_ftplugin_erlang=1
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if !exists('g:erlangRefactoring') || g:erlangRefactoring == 0
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finish
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endif
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if !exists('g:erlangWranglerPath')
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let g:erlangWranglerPath = '/usr/share/wrangler/'
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endif
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if glob(g:erlangWranglerPath) == ""
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call confirm("Wrong path to wrangler dir")
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finish
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endif
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autocmd VimLeavePre * call StopWranglerServer()
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let s:erlangServerName = "wrangler_vim"
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" Starting background erlang session with wrangler on
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function! StartWranglerServer()
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let wranglerEbinDir = g:erlangWranglerPath . "/ebin"
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let command = "erl_call -s -sname " . s:erlangServerName . " -x 'erl -pa " . wranglerEbinDir . "'"
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call system(command)
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call s:send_rpc('application', 'start', '[wrangler_app]')
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endfunction
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" Stopping erlang session
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function! StopWranglerServer()
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echo s:send_rpc('erlang', 'halt', '')
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endfunction
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" Sending rpc call to erlang session
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function! s:send_rpc(module, fun, args)
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let command = "erl_call -sname " . s:erlangServerName . " -a '" . a:module . " " . a:fun . " " . a:args . "'"
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let result = system(command)
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if match(result, 'erl_call: failed to connect to node .*') != -1
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call StartWranglerServer()
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return system(command)
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endif
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return result
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endfunction
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function! ErlangUndo()
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echo s:send_rpc("wrangler_undo_server", "undo", "[]")
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:e!
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endfunction
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function! s:trim(text)
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return substitute(a:text, "^\\s\\+\\|\\s\\+$", "", "g")
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endfunction
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function! s:get_msg(result, tuple_start)
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let msg_begin = '{' . a:tuple_start . ','
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let matching_start = match(a:result, msg_begin)
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if matching_start != -1
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return s:trim(matchstr(a:result, '[^}]*', matching_start + strlen(msg_begin)))
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endif
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return ""
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endfunction
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" Check if there is an error in result
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function! s:check_for_error(result)
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let msg = s:get_msg(a:result, 'ok')
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if msg != ""
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return [0, msg]
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endif
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let msg = s:get_msg(a:result, 'warning')
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if msg != ""
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return [1, msg]
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endif
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let msg = s:get_msg(a:result, 'error')
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if msg != ""
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return [2, msg]
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endif
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return [-1, ""]
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endfunction
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" Sending apply changes to file
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function! s:send_confirm()
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let choice = confirm("What do you want?", "&Preview\n&Confirm\nCa&ncel", 0)
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if choice == 1
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echo "TODO: Display preview :)"
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elseif choice == 2
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let module = 'wrangler_preview_server'
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let fun = 'commit'
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let args = '[]'
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return s:send_rpc(module, fun, args)
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else
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let module = 'wrangler_preview_server'
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let fun = 'abort'
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let args = '[]'
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return s:send_rpc(module, fun, args)
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echo "Canceled"
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endif
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endfunction
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" Manually send confirm, for testing purpose only
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function! SendConfirm()
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echo s:send_confirm()
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endfunction
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" Format and send function extracton call
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function! s:call_extract(start_line, start_col, end_line, end_col, name)
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let file = expand("%:p")
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let module = 'wrangler'
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let fun = 'fun_extraction'
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let args = '["' . file . '", {' . a:start_line . ', ' . a:start_col . '}, {' . a:end_line . ', ' . a:end_col . '}, "' . a:name . '", ' . &sw . ']'
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let result = s:send_rpc(module, fun, args)
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let [error_code, msg] = s:check_for_error(result)
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if error_code != 0
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call confirm(msg)
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return 0
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endif
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echo "This files will be changed: " . matchstr(msg, "[^]]*", 1)
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echo s:send_confirm()
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return 1
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endfunction
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function! ErlangExtractFunction(mode) range
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silent w!
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let name = inputdialog("New function name: ")
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if name != ""
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if a:mode == "v"
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let start_pos = getpos("'<")
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let start_line = start_pos[1]
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let start_col = start_pos[2]
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let end_pos = getpos("'>")
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let end_line = end_pos[1]
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let end_col = end_pos[2]
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elseif a:mode == "n"
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let pos = getpos(".")
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let start_line = pos[1]
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let start_col = pos[2]
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let end_line = pos[1]
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let end_col = pos[2]
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else
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echo "Mode not supported."
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return
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endif
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if s:call_extract(start_line, start_col, end_line, end_col, name)
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let temp = &autoread
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set autoread
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:e
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if temp == 0
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set noautoread
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endif
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endif
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else
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echo "Empty function name. Ignoring."
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endif
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endfunction
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nmap <A-r>e :call ErlangExtractFunction("n")<ENTER>
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vmap <A-r>e :call ErlangExtractFunction("v")<ENTER>
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function! s:call_rename(mode, line, col, name, search_path)
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let file = expand("%:p")
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let module = 'wrangler'
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let fun = 'rename_' . a:mode
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let args = '["' . file .'", '
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if a:mode != "mod"
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let args = args . a:line . ', ' . a:col . ', '
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endif
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let args = args . '"' . a:name . '", ["' . a:search_path . '"], ' . &sw . ']'
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let result = s:send_rpc(module, fun, args)
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let [error_code, msg] = s:check_for_error(result)
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if error_code != 0
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call confirm(msg)
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return 0
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endif
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echo "This files will be changed: " . matchstr(msg, "[^]]*", 1)
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echo s:send_confirm()
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return 1
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endfunction
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function! ErlangRename(mode)
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silent w!
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if a:mode == "mod"
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let name = inputdialog('Rename module to: ')
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else
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let name = inputdialog('Rename "' . expand("<cword>") . '" to: ')
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endif
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if name != ""
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let search_path = expand("%:p:h")
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"let search_path = inputdialog('Search path: ', expand("%:p:h"))
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let pos = getpos(".")
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let line = pos[1]
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let col = pos[2]
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let current_filename = expand("%")
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let current_filepath = expand("%:p")
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let new_filename = name . '.erl'
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if s:call_rename(a:mode, line, col, name, search_path)
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if a:mode == "mod"
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execute ':bd ' . current_filename
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execute ':e ' . new_filename
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silent execute '!mv ' . current_filepath . ' ' . current_filepath . '.bak'
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redraw!
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else
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let temp = &autoread
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set autoread
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:e
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if temp == 0
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set noautoread
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endif
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endif
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endif
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else
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echo "Empty name. Ignoring."
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endif
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endfunction
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function! ErlangRenameFunction()
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call ErlangRename("fun")
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endfunction
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map <A-r>f :call ErlangRenameFunction()<ENTER>
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function! ErlangRenameVariable()
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call ErlangRename("var")
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endfunction
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map <A-r>v :call ErlangRenameVariable()<ENTER>
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function! ErlangRenameModule()
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call ErlangRename("mod")
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endfunction
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map <A-r>m :call ErlangRenameModule()<ENTER>
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function! ErlangRenameProcess()
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call ErlangRename("process")
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endfunction
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map <A-r>p :call ErlangRenameProcess()<ENTER>
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function! s:call_tuple_fun_args(start_line, start_col, end_line, end_col, search_path)
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let file = expand("%:p")
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let module = 'wrangler'
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let fun = 'tuple_funpar'
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let args = '["' . file . '", {' . a:start_line . ', ' . a:start_col . '}, {' . a:end_line . ', ' . a:end_col . '}, ["' . a:search_path . '"], ' . &sw . ']'
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let result = s:send_rpc(module, fun, args)
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if s:check_for_error(result)
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return 0
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endif
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call s:send_confirm()
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return 1
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endfunction
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function! ErlangTupleFunArgs(mode)
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silent w!
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let search_path = expand("%:p:h")
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"let search_path = inputdialog('Search path: ', expand("%:p:h"))
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if a:mode == "v"
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let start_pos = getpos("'<")
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let start_line = start_pos[1]
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let start_col = start_pos[2]
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let end_pos = getpos("'>")
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let end_line = end_pos[1]
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let end_col = end_pos[2]
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if s:call_tuple_fun_args(start_line, start_col, end_line, end_col, search_path)
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let temp = &autoread
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set autoread
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:e
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if temp == 0
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set noautoread
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endif
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endif
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elseif a:mode == "n"
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let pos = getpos(".")
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let line = pos[1]
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let col = pos[2]
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if s:call_tuple_fun_args(line, col, line, col, search_path)
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let temp = &autoread
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set autoread
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:e
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if temp == 0
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set noautoread
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endif
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endif
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else
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echo "Mode not supported."
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endif
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endfunction
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nmap <A-r>t :call ErlangTupleFunArgs("n")<ENTER>
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vmap <A-r>t :call ErlangTupleFunArgs("v")<ENTER>
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" vim: set foldmethod=marker:
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