154 lines
4.2 KiB
VimL
154 lines
4.2 KiB
VimL
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let s:self_version = expand('<sfile>:t:r')
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let s:loaded = {}
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function! s:import(name, ...)
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let module = {}
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let debug = 0
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for a in a:000
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if type(a) == type({})
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let module = a
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elseif type(a) == type(0)
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let debug = a
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endif
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unlet a
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endfor
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return extend(module, s:_import(a:name, s:_scripts(), debug), 'keep')
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endfunction
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function! s:load(...) dict
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let scripts = s:_scripts()
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let debug = has_key(self, 'debug') && self.debug
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for arg in a:000
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let [name; as] = type(arg) == type([]) ? arg[: 1] : [arg, arg]
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let target = split(join(as, ''), '\W\+')
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let dict = self
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while 1 <= len(target)
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let ns = remove(target, 0)
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if !has_key(dict, ns)
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let dict[ns] = {}
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endif
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if type(dict[ns]) == type({})
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let dict = dict[ns]
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else
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unlet dict
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break
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endif
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endwhile
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if exists('dict')
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call extend(dict, s:_import(name, scripts, debug))
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endif
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unlet arg
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endfor
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return self
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endfunction
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function! s:unload()
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let s:loaded = {}
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endfunction
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function! s:_import(name, scripts, debug)
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if type(a:name) == type(0)
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return s:_build_module(a:name, a:debug)
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endif
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if a:name =~# '^[^A-Z]' || a:name =~# '\W[^A-Z]'
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throw 'vital: module name must start with capital letter: ' . a:name
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endif
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let target = a:name ==# '' ? '' : '/' . substitute(a:name, '\W\+', '/', 'g')
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let target = substitute(target, '\l\zs\ze\u', '_', 'g') " OrderedSet -> Ordered_Set
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let target = substitute(target, '[/_]\zs\u', '\l\0', 'g') " Ordered_Set -> ordered_set
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let tailpath = printf('autoload/vital/%s%s.vim', s:self_version, target)
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" Note: The extra argument to globpath() was added in Patch 7.2.051.
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if v:version > 702 || v:version == 702 && has('patch51')
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let paths = split(globpath(&runtimepath, tailpath, 1), "\n")
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else
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let paths = split(globpath(&runtimepath, tailpath), "\n")
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endif
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let path = s:_unify_path(get(paths, 0, ''))
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let sid = get(a:scripts, path, 0)
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if !sid
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try
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source `=path`
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catch /^Vim\%((\a\+)\)\?:E484/
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throw 'vital: module not found: ' . a:name
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catch /^Vim\%((\a\+)\)\?:E127/
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" Ignore.
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endtry
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let sid = len(a:scripts) + 1 " We expect that the file newly read is +1.
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let a:scripts[path] = sid
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endif
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return s:_build_module(sid, a:debug)
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endfunction
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function! s:_scripts()
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let scripts = {}
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for line in split(s:_redir('scriptnames'), "\n")
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let list = matchlist(line, '^\s*\(\d\+\):\s\+\(.\+\)\s*$')
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if !empty(list)
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let scripts[s:_unify_path(list[2])] = list[1] - 0
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endif
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endfor
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return scripts
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endfunction
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if filereadable(expand('<sfile>:r') . '.VIM')
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function! s:_unify_path(path)
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" Note: On windows, vim can't expand path names from 8.3 formats.
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" So if getting full path via <sfile> and $HOME was set as 8.3 format,
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" vital load duplicated scripts. Below's :~ avoid this issue.
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return tolower(fnamemodify(resolve(fnamemodify(
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\ a:path, ':p:gs?[\\/]\+?/?')), ':~'))
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endfunction
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else
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function! s:_unify_path(path)
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return resolve(fnamemodify(a:path, ':p:gs?[\\/]\+?/?'))
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endfunction
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endif
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function! s:_build_module(sid, debug)
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if has_key(s:loaded, a:sid)
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return copy(s:loaded[a:sid])
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endif
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let prefix = '<SNR>' . a:sid . '_'
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let funcs = s:_redir('function')
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let filter_pat = '^\s*function ' . prefix
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let map_pat = prefix . '\zs\w\+'
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let functions = map(filter(split(funcs, "\n"), 'v:val =~# filter_pat'),
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\ 'matchstr(v:val, map_pat)')
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let module = {}
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for func in functions
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let module[func] = function(prefix . func)
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endfor
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if has_key(module, '_vital_loaded')
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let V = vital#{s:self_version}#new()
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if has_key(module, '_vital_depends')
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call call(V.load, module._vital_depends(), V)
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endif
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try
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call module._vital_loaded(V)
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catch
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" FIXME: Show an error message for debug.
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endtry
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endif
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if !a:debug
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call filter(module, 'v:key =~# "^\\a"')
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endif
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let s:loaded[a:sid] = module
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return copy(module)
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endfunction
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function! s:_redir(cmd)
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redir => res
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silent! execute a:cmd
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redir END
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return res
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endfunction
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function! vital#{s:self_version}#new()
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return s:_import('', s:_scripts(), 0).load(['Prelude', ''])
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endfunction
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