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neosnippet.vim
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Improve snippets parser

This commit is contained in:
Shougo Matsushita 2014-05-11 17:46:20 +09:00
parent a7c05372ba
commit e8b1af724b
9 changed files with 199 additions and 69 deletions
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13
autoload/neosnippet/commands.vim
View File

@ -104,6 +104,7 @@ function! neosnippet#commands#_make_cache(filetype) "{{{
if has_key(snippets, filetype)
return
endif
let snippets[filetype] = {}
let path = join(neosnippet#helpers#get_snippets_directory(), ',')
let snippets_files = []
@ -117,19 +118,19 @@ function! neosnippet#commands#_make_cache(filetype) "{{{
let snippets_files += split(globpath(path, glob), '\n')
endfor
let snippet = {}
call map(reverse(s:get_list().uniq(snippets_files)),
\ "neosnippet#parser#_parse(snippet, v:val)")
let snippets = neosnippet#variables#snippets()
let snippets[filetype] = snippet
for snippet_file in reverse(s:get_list().uniq(snippets_files))
let snippets[filetype] = extend(snippets[filetype],
\ neosnippet#parser#_parse(snippet_file))
endfor
endfunction"}}}
function! neosnippet#commands#_source(filename) "{{{
call neosnippet#init#check()
let neosnippet = neosnippet#variables#current_neosnippet()
call neosnippet#parser#_parse(neosnippet.snippets, a:filename)
let neosnippet.snippets = extend(neosnippet.snippets,
\ neosnippet#parser#_parse(a:filename))
endfunction"}}}
function! neosnippet#commands#_clear_markers() "{{{

59
autoload/neosnippet/parser.vim
View File

@ -26,19 +26,25 @@
let s:save_cpo = &cpo
set cpo&vim
function! neosnippet#parser#_parse(snippets, snippets_file) "{{{
let dup_check = {}
let snippet_dict = {}
let s:Cache = neosnippet#util#get_vital().import('System.Cache')
let linenr = 1
if !filereadable(a:snippets_file)
function! neosnippet#parser#_parse(snippet_file) "{{{
if !filereadable(a:snippet_file)
call neosnippet#util#print_error(
\ printf('snippet file "%s" is not found.', a:snippets_file))
return a:snippets
\ printf('snippet file "%s" is not found.', a:snippet_file))
return {}
endif
for line in readfile(a:snippets_file)
return s:parse(a:snippet_file)
endfunction"}}}
function! s:parse(snippet_file) "{{{
let dup_check = {}
let snippet_dict = {}
let linenr = 1
let snippets = {}
for line in readfile(a:snippet_file)
if line =~ '^\h\w*.*\s$'
" Delete spaces.
let line = substitute(line, '\s\+$', '', '')
@ -50,25 +56,26 @@ function! neosnippet#parser#_parse(snippets, snippets_file) "{{{
" Include snippets.
let filename = matchstr(line, '^include\s\+\zs.*$')
for snippets_file in split(globpath(join(
for snippet_file in split(globpath(join(
\ neosnippet#helpers#get_snippets_directory(), ','),
\ filename), '\n')
call neosnippet#parser#_parse(a:snippets, snippets_file)
let snippets = extend(snippets,
\ neosnippet#parser#_parse(snippets, snippet_file))
endfor
elseif line =~ '^delete\s'
let name = matchstr(line, '^delete\s\+\zs.*$')
if name != '' && has_key(a:snippets, name)
call filter(a:snippets, 'v:val.real_name !=# name')
if name != '' && has_key(snippets, name)
call filter(snippets, 'v:val.real_name !=# name')
endif
elseif line =~ '^snippet\s'
if !empty(snippet_dict)
" Set previous snippet.
call s:set_snippet_dict(snippet_dict,
\ a:snippets, dup_check, a:snippets_file)
\ snippets, dup_check, a:snippet_file)
endif
let snippet_dict = s:parse_snippet_name(
\ a:snippets_file, line, linenr, dup_check)
\ a:snippet_file, line, linenr, dup_check)
elseif !empty(snippet_dict)
if line =~ '^\s' || line == ''
if snippet_dict.word == ''
@ -77,10 +84,10 @@ function! neosnippet#parser#_parse(snippets, snippets_file) "{{{
endif
let snippet_dict.word .=
\ substitute(line, '^ *', '', '') . "\n"
\ substitute(line, '^ *', '', '') . "\n"
else
call s:add_snippet_attribute(
\ a:snippets_file, line, linenr, snippet_dict)
\ a:snippet_file, line, linenr, snippet_dict)
endif
endif
@ -90,13 +97,13 @@ function! neosnippet#parser#_parse(snippets, snippets_file) "{{{
if !empty(snippet_dict)
" Set previous snippet.
call s:set_snippet_dict(snippet_dict,
\ a:snippets, dup_check, a:snippets_file)
\ snippets, dup_check, a:snippet_file)
endif
return a:snippets
return snippets
endfunction"}}}
function! s:parse_snippet_name(snippets_file, line, linenr, dup_check) "{{{
function! s:parse_snippet_name(snippet_file, line, linenr, dup_check) "{{{
" Initialize snippet dict.
let snippet_dict = { 'word' : '', 'linenr' : a:linenr,
\ 'options' : neosnippet#parser#_initialize_snippet_options() }
@ -125,7 +132,7 @@ function! s:parse_snippet_name(snippets_file, line, linenr, dup_check) "{{{
let dup = a:dup_check[snippet_dict.name]
call neosnippet#util#print_error(printf(
\ 'Warning: %s:%d is overriding `%s` from %s:%d',
\ a:snippets_file, a:linenr, snippet_dict.name,
\ a:snippet_file, a:linenr, snippet_dict.name,
\ dup.action__path, dup.action__line))
call neosnippet#util#print_error(printf(
\ 'Please rename the snippet name or use `delete %s`.',
@ -135,7 +142,7 @@ function! s:parse_snippet_name(snippets_file, line, linenr, dup_check) "{{{
return snippet_dict
endfunction"}}}
function! s:add_snippet_attribute(snippets_file, line, linenr, snippet_dict) "{{{
function! s:add_snippet_attribute(snippet_file, line, linenr, snippet_dict) "{{{
" Allow overriding/setting of the description (abbr) of the snippet.
" This will override what was set via the snippet line.
if a:line =~ '^abbr\s'
@ -161,7 +168,7 @@ function! s:add_snippet_attribute(snippets_file, line, linenr, snippet_dict) "{{
\ '^options\s\+\zs.*$'), '[,[:space:]]\+')
if !has_key(a:snippet_dict.options, option)
call neosnippet#util#print_error(
\ printf('[neosnippet] %s:%d', a:snippets_file, a:linenr))
\ printf('[neosnippet] %s:%d', a:snippet_file, a:linenr))
call neosnippet#util#print_error(
\ printf('[neosnippet] Invalid option name : "%s"', option))
else
@ -170,20 +177,20 @@ function! s:add_snippet_attribute(snippets_file, line, linenr, snippet_dict) "{{
endfor
else
call neosnippet#util#print_error(
\ printf('[neosnippet] %s:%d', a:snippets_file, a:linenr))
\ printf('[neosnippet] %s:%d', a:snippet_file, a:linenr))
call neosnippet#util#print_error(
\ printf('[neosnippet] Invalid syntax : "%s"', a:line))
endif
endfunction"}}}
function! s:set_snippet_dict(snippet_dict, snippets, dup_check, snippets_file) "{{{
function! s:set_snippet_dict(snippet_dict, snippets, dup_check, snippet_file) "{{{
if empty(a:snippet_dict)
return
endif
let action_pattern = '^snippet\s\+' . a:snippet_dict.name . '$'
let snippet = neosnippet#parser#_initialize_snippet(
\ a:snippet_dict, a:snippets_file,
\ a:snippet_dict, a:snippet_file,
\ a:snippet_dict.linenr, action_pattern,
\ a:snippet_dict.name)
let a:snippets[a:snippet_dict.name] = snippet

61
autoload/vital/_neosnippet.vim
View File

@ -59,6 +59,19 @@ function! s:unload()
let s:loaded = {}
endfunction
function! s:exists(name)
return s:_get_module_path(a:name) !=# ''
endfunction
function! s:search(pattern)
let target = substitute(a:pattern, '\.', '/', 'g')
let tailpath = printf('autoload/vital/%s/%s.vim', s:self_version, target)
let paths = s:_runtime_files(tailpath)
let modules = sort(map(paths, 's:_file2module(v:val)'))
return s:_uniq(modules)
endfunction
function! s:_import(name)
if type(a:name) == type(0)
return s:_build_module(a:name)
@ -89,19 +102,16 @@ function! s:_get_module_path(name)
if a:name ==# ''
let tailpath = printf('autoload/vital/%s.vim', s:self_version)
elseif a:name =~# '\v^\u\w*%(\.\u\w*)*$'
let target = '/' . substitute(a:name, '\W\+', '/', 'g')
let tailpath = printf('autoload/vital/%s%s.vim', s:self_version, target)
let target = substitute(a:name, '\W\+', '/', 'g')
let tailpath = printf('autoload/vital/%s/%s.vim', s:self_version, target)
else
throw 'vital: Invalid module name: ' . a:name
endif
if s:globpath_third_arg
let paths = split(globpath(&runtimepath, tailpath, 1), "\n")
else
let paths = split(globpath(&runtimepath, tailpath), "\n")
endif
let paths = s:_runtime_files(tailpath)
call filter(paths, 'filereadable(v:val)')
return s:_unify_path(get(paths, 0, ''))
let path = get(paths, 0, '')
return path !=# '' ? s:_unify_path(path) : ''
endfunction
function! s:_scripts()
@ -116,6 +126,12 @@ function! s:_scripts()
return scripts
endfunction
function! s:_file2module(file)
let filename = s:_unify_path(a:file)
let tail = matchstr(filename, 'autoload/vital/_\w\+/\zs.*\ze\.vim$')
return join(split(tail, '[\\/]\+'), '.')
endfunction
if filereadable(expand('<sfile>:r') . '.VIM')
function! s:_unify_path(path)
" Note: On windows, vim can't expand path names from 8.3 formats.
@ -130,6 +146,16 @@ else
endfunction
endif
if s:globpath_third_arg
function! s:_runtime_files(path)
return split(globpath(&runtimepath, a:path, 1), "\n")
endfunction
else
function! s:_runtime_files(path)
return split(globpath(&runtimepath, a:path), "\n")
endfunction
endif
" Copy from System.Filepath
if has('win16') || has('win32') || has('win64')
function! s:_is_absolute_path(path)
@ -188,6 +214,25 @@ else
endfunction
endif
if exists('*uniq')
function! s:_uniq(list)
return uniq(a:list)
endfunction
else
function! s:_uniq(list)
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:_redir(cmd)
let [save_verbose, save_verbosefile] = [&verbose, &verbosefile]
set verbose=0 verbosefile=

12
autoload/vital/_neosnippet/Data/List.vim
View File

@ -198,6 +198,18 @@ function! s:or(xs)
return s:any('v:val', a:xs)
endfunction
function! s:map_accum(expr, xs, init)
let memo = []
let init = a:init
for x in a:xs
let expr = substitute(a:expr, 'v:memo', init, 'g')
let expr = substitute(expr, 'v:val', x, 'g')
let [tmp, init] = eval(expr)
call add(memo, tmp)
endfor
return memo
endfunction
" similar to Haskell's Prelude.foldl
function! s:foldl(f, init, xs)
let memo = a:init

24
autoload/vital/_neosnippet/Prelude.vim
View File

@ -1,9 +1,6 @@
let s:save_cpo = &cpo
set cpo&vim
" glob() wrapper which returns List
" and 'wildignore' does not affect
" this function's return value.
if v:version ># 703 ||
\ (v:version is 703 && has('patch465'))
function! s:glob(expr)
@ -16,9 +13,6 @@ else
endfunction
endif
" globpath() wrapper which returns List
" and 'suffixes' and 'wildignore' does not affect
" this function's return value.
function! s:globpath(path, expr)
let R = globpath(a:path, a:expr, 1)
return split(R, '\n')
@ -215,19 +209,9 @@ function! s:is_unix()
return s:is_unix
endfunction
function! s:_deprecated(fname, newname)
echomsg printf("Vital.Prelude.%s is deprecated! Please use %s instead.",
\ a:fname, a:newname)
endfunction
function! s:print_error(message)
call s:_deprecated('print_error', 'Vital.Vim.Message.error')
echohl ErrorMsg
for m in split(a:message, "\n")
echomsg m
endfor
echohl None
function! s:_deprecated2(fname)
echomsg printf("Vital.Prelude.%s is deprecated!",
\ a:fname)
endfunction
function! s:smart_execute_command(action, word)
@ -277,6 +261,8 @@ function! s:set_default(var, val)
endfunction
function! s:set_dictionary_helper(variable, keys, pattern)
call s:_deprecated2('set_dictionary_helper')
for key in split(a:keys, '\s*,\s*')
if !has_key(a:variable, key)
let a:variable[key] = a:pattern

8
autoload/vital/_neosnippet/Process.vim
View File

@ -119,13 +119,7 @@ function! s:system(str, ...)
let args += [input] + rest
endif
if use_vimproc
" vimproc's parser seems to treat # as a comment
let args[0] = escape(args[0], '#')
let funcname = 'vimproc#system'
else
let funcname = 'system'
endif
let funcname = use_vimproc ? 'vimproc#system' : 'system'
let output = call(funcname, args)
let output = s:iconv(output, 'char', &encoding)

84
autoload/vital/_neosnippet/System/Cache.vim Normal file
View File

@ -0,0 +1,84 @@
" Utilities for output cache.
let s:save_cpo = &cpo
set cpo&vim
function! s:getfilename(cache_dir, filename)
return s:_encode_name(a:cache_dir, a:filename)
endfunction
function! s:filereadable(cache_dir, filename)
let cache_name = s:_encode_name(a:cache_dir, a:filename)
return filereadable(cache_name)
endfunction
function! s:readfile(cache_dir, filename)
let cache_name = s:_encode_name(a:cache_dir, a:filename)
return filereadable(cache_name) ? readfile(cache_name) : []
endfunction
function! s:writefile(cache_dir, filename, list)
let cache_name = s:_encode_name(a:cache_dir, a:filename)
call writefile(a:list, cache_name)
endfunction
function! s:delete(cache_dir, filename)
echoerr 'System.Cache.delete() is obsolete. Use its deletefile() instead.'
return call('s:deletefile', a:cache_dir, a:filename)
endfunction
function! s:deletefile(cache_dir, filename)
let cache_name = s:_encode_name(a:cache_dir, a:filename)
return delete(cache_name)
endfunction
function! s:_encode_name(cache_dir, filename)
" Check cache directory.
if !isdirectory(a:cache_dir)
call mkdir(a:cache_dir, 'p')
endif
let cache_dir = a:cache_dir
if cache_dir !~ '/$'
let cache_dir .= '/'
endif
return cache_dir . s:_create_hash(cache_dir, a:filename)
endfunction
function! s:check_old_cache(cache_dir, filename)
" Check old cache file.
let cache_name = s:_encode_name(a:cache_dir, a:filename)
let ret = getftime(cache_name) == -1
\ || getftime(cache_name) <= getftime(a:filename)
if ret && filereadable(cache_name)
" Delete old cache.
call delete(cache_name)
endif
return ret
endfunction
function! s:_create_hash(dir, str)
if len(a:dir) + len(a:str) < 150
let hash = substitute(substitute(
\ a:str, ':', '=-', 'g'), '[/\\]', '=+', 'g')
elseif exists('*sha256')
let hash = sha256(a:str)
else
" Use simple hash.
let sum = 0
for i in range(len(a:str))
let sum += char2nr(a:str[i]) * (i + 1)
endfor
let hash = printf('%x', sum)
endif
return hash
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:

3
autoload/vital/neosnippet.vital
View File

@ -1,6 +1,7 @@
neosnippet
450727f
d3554a5
Prelude
Data.List
Process
System.Cache

4
doc/neosnippet.txt
View File

@ -612,8 +612,8 @@ Or if you want to include a whole directory with file type snippets.
<
If you include snippet files it can happen that the same snippet name is used
multiple times in different snippet files. Neosnippet produces a warning if it
detects this. If you want to overwrite a snippet explicitly, please use:
multiple times in snippet files. Neosnippet produces a warning if it detects
this. If you want to overwrite a snippet explicitly, please use:
>
delete snippets_name