neosnippet.vim/autoload/vital/_neosnippet.vim
2015-05-11 22:11:55 -07:00

304 lines
8.1 KiB
VimL

let s:self_version = expand('<sfile>:t:r')
let s:self_file = expand('<sfile>')
" Note: The extra argument to globpath() was added in Patch 7.2.051.
let s:globpath_third_arg = v:version > 702 || v:version == 702 && has('patch51')
let s:loaded = {}
function! s:import(name, ...) abort
let target = {}
let functions = []
for a in a:000
if type(a) == type({})
let target = a
elseif type(a) == type([])
let functions = a
endif
unlet a
endfor
let module = s:_import(a:name)
if empty(functions)
call extend(target, module, 'keep')
else
for f in functions
if has_key(module, f) && !has_key(target, f)
let target[f] = module[f]
endif
endfor
endif
return target
endfunction
function! s:load(...) dict abort
for arg in a:000
let [name; as] = type(arg) == type([]) ? arg[: 1] : [arg, arg]
let target = split(join(as, ''), '\W\+')
let dict = self
while 1 <= len(target)
let ns = remove(target, 0)
if !has_key(dict, ns)
let dict[ns] = {}
endif
if type(dict[ns]) == type({})
let dict = dict[ns]
else
unlet dict
break
endif
endwhile
if exists('dict')
call extend(dict, s:_import(name))
endif
unlet arg
endfor
return self
endfunction
function! s:unload() abort
let s:loaded = {}
endfunction
function! s:exists(name) abort
return s:_get_module_path(a:name) !=# ''
endfunction
function! s:search(pattern) abort
let paths = s:_vital_files(a:pattern)
let modules = sort(map(paths, 's:_file2module(v:val)'))
return s:_uniq(modules)
endfunction
function! s:expand_modules(entry, all) abort
if type(a:entry) == type([])
let candidates = s:_concat(map(copy(a:entry), 's:search(v:val)'))
if empty(candidates)
throw printf('vital: Any of module %s is not found', string(a:entry))
endif
if eval(join(map(copy(candidates), 'has_key(a:all, v:val)'), '+'))
let modules = []
else
let modules = [candidates[0]]
endif
else
let modules = s:search(a:entry)
if empty(modules)
throw printf('vital: Module %s is not found', a:entry)
endif
endif
call filter(modules, '!has_key(a:all, v:val)')
for module in modules
let a:all[module] = 1
endfor
return modules
endfunction
function! s:_import(name) abort
if type(a:name) == type(0)
return s:_build_module(a:name)
endif
let path = s:_get_module_path(a:name)
if path ==# ''
throw 'vital: module not found: ' . a:name
endif
let sid = s:_get_sid_by_script(path)
if !sid
try
execute 'source' fnameescape(path)
catch /^Vim\%((\a\+)\)\?:E484/
throw 'vital: module not found: ' . a:name
catch /^Vim\%((\a\+)\)\?:E127/
" Ignore.
endtry
let sid = s:_get_sid_by_script(path)
endif
return s:_build_module(sid)
endfunction
function! s:_get_module_path(name) abort
if s:_is_absolute_path(a:name) && filereadable(a:name)
return a:name
endif
if a:name ==# ''
let paths = [s:self_file]
elseif a:name =~# '\v^\u\w*%(\.\u\w*)*$'
let paths = s:_vital_files(a:name)
else
throw 'vital: Invalid module name: ' . a:name
endif
call filter(paths, 'filereadable(expand(v:val, 1))')
let path = get(paths, 0, '')
return path !=# '' ? path : ''
endfunction
function! s:_get_sid_by_script(path) abort
let path = s:_unify_path(a:path)
for line in filter(split(s:_redir('scriptnames'), "\n"),
\ 'stridx(v:val, s:self_version) > 0')
let list = matchlist(line, '^\s*\(\d\+\):\s\+\(.\+\)\s*$')
if !empty(list) && s:_unify_path(list[2]) ==# path
return list[1] - 0
endif
endfor
return 0
endfunction
function! s:_file2module(file) abort
let filename = fnamemodify(a:file, ':p:gs?[\\/]?/?')
let tail = matchstr(filename, 'autoload/vital/_\w\+/\zs.*\ze\.vim$')
return join(split(tail, '[\\/]\+'), '.')
endfunction
if filereadable(expand('<sfile>:r') . '.VIM')
" resolve() is slow, so we cache results.
let s:_unify_path_cache = {}
" Note: On windows, vim can't expand path names from 8.3 formats.
" So if getting full path via <sfile> and $HOME was set as 8.3 format,
" vital load duplicated scripts. Below's :~ avoid this issue.
function! s:_unify_path(path) abort
if has_key(s:_unify_path_cache, a:path)
return s:_unify_path_cache[a:path]
endif
let value = tolower(fnamemodify(resolve(fnamemodify(
\ a:path, ':p')), ':~:gs?[\\/]?/?'))
let s:_unify_path_cache[a:path] = value
return value
endfunction
else
function! s:_unify_path(path) abort
return resolve(fnamemodify(a:path, ':p:gs?[\\/]?/?'))
endfunction
endif
if s:globpath_third_arg
function! s:_runtime_files(path) abort
return split(globpath(&runtimepath, a:path, 1), "\n")
endfunction
else
function! s:_runtime_files(path) abort
return split(globpath(&runtimepath, a:path), "\n")
endfunction
endif
let s:_vital_files_cache_runtimepath = ''
let s:_vital_files_cache = []
function! s:_vital_files(pattern) abort
if s:_vital_files_cache_runtimepath !=# &runtimepath
let path = printf('autoload/vital/%s/**/*.vim', s:self_version)
let s:_vital_files_cache = s:_runtime_files(path)
let mod = ':p:gs?[\\/]\+?/?'
call map(s:_vital_files_cache, 'fnamemodify(v:val, mod)')
let s:_vital_files_cache_runtimepath = &runtimepath
endif
let target = substitute(a:pattern, '\.', '/', 'g')
let target = substitute(target, '\*', '[^/]*', 'g')
let regexp = printf('autoload/vital/%s/%s.vim', s:self_version, target)
return filter(copy(s:_vital_files_cache), 'v:val =~# regexp')
endfunction
" Copy from System.Filepath
if has('win16') || has('win32') || has('win64')
function! s:_is_absolute_path(path) abort
return a:path =~? '^[a-z]:[/\\]'
endfunction
else
function! s:_is_absolute_path(path) abort
return a:path[0] ==# '/'
endfunction
endif
function! s:_build_module(sid) abort
if has_key(s:loaded, a:sid)
return copy(s:loaded[a:sid])
endif
let functions = s:_get_functions(a:sid)
let prefix = '<SNR>' . a:sid . '_'
let module = {}
for func in functions
let module[func] = function(prefix . func)
endfor
if has_key(module, '_vital_loaded')
let V = vital#{s:self_version}#new()
if has_key(module, '_vital_depends')
let all = {}
let modules =
\ s:_concat(map(module._vital_depends(),
\ 's:expand_modules(v:val, all)'))
call call(V.load, modules, V)
endif
try
call module._vital_loaded(V)
catch
" FIXME: Show an error message for debug.
endtry
endif
if !get(g:, 'vital_debug', 0)
call filter(module, 'v:key =~# "^\\a"')
endif
let s:loaded[a:sid] = module
return copy(module)
endfunction
if exists('+regexpengine')
function! s:_get_functions(sid) abort
let funcs = s:_redir(printf("function /\\%%#=2^\<SNR>%d_", a:sid))
let map_pat = '<SNR>' . a:sid . '_\zs\w\+'
return map(split(funcs, "\n"), 'matchstr(v:val, map_pat)')
endfunction
else
function! s:_get_functions(sid) abort
let prefix = '<SNR>' . a:sid . '_'
let funcs = s:_redir('function')
let filter_pat = '^\s*function ' . prefix
let map_pat = prefix . '\zs\w\+'
return map(filter(split(funcs, "\n"),
\ 'stridx(v:val, prefix) > 0 && v:val =~# filter_pat'),
\ 'matchstr(v:val, map_pat)')
endfunction
endif
if exists('*uniq')
function! s:_uniq(list) abort
return uniq(a:list)
endfunction
else
function! s:_uniq(list) abort
let i = len(a:list) - 1
while 0 < i
if a:list[i] ==# a:list[i - 1]
call remove(a:list, i)
let i -= 2
else
let i -= 1
endif
endwhile
return a:list
endfunction
endif
function! s:_concat(lists) abort
let result_list = []
for list in a:lists
let result_list += list
endfor
return result_list
endfunction
function! s:_redir(cmd) abort
let [save_verbose, save_verbosefile] = [&verbose, &verbosefile]
set verbose=0 verbosefile=
redir => res
silent! execute a:cmd
redir END
let [&verbose, &verbosefile] = [save_verbose, save_verbosefile]
return res
endfunction
function! vital#{s:self_version}#new() abort
return s:_import('')
endfunction