Add crystal syntax, closes #118

This commit is contained in:
Adam Stankiewicz 2016-05-02 10:49:45 +02:00
parent 5529a5e8e2
commit c200e7a0c5
No known key found for this signature in database
GPG Key ID: A62480DCEAC884DF
15 changed files with 3647 additions and 0 deletions

View File

@ -34,6 +34,7 @@ Optionally download one of the [releases](https://github.com/sheerun/vim-polyglo
- [clojure](https://github.com/guns/vim-clojure-static) (syntax, indent, autoload, ftplugin, ftdetect)
- [coffee-script](https://github.com/kchmck/vim-coffee-script) (syntax, indent, compiler, autoload, ftplugin, ftdetect)
- [cryptol](https://github.com/victoredwardocallaghan/cryptol.vim) (syntax, compiler, ftplugin, ftdetect)
- [crystal](https://github.com/rhysd/vim-crystal) (syntax, indent, autoload, ftplugin, ftdetect)
- [cql](https://github.com/elubow/cql-vim) (syntax, ftdetect)
- [css](https://github.com/JulesWang/css.vim) (syntax)
- [cucumber](https://github.com/tpope/vim-cucumber) (syntax, indent, compiler, ftplugin, ftdetect)

332
autoload/crystal_lang.vim Normal file
View File

@ -0,0 +1,332 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
let s:save_cpo = &cpo
set cpo&vim
let s:V = vital#of('crystal')
let s:P = s:V.import('Process')
let s:J = s:V.import('Web.JSON')
let s:C = s:V.import('ColorEcho')
function! s:echo_error(msg, ...) abort
echohl ErrorMsg
if a:0 == 0
echomsg a:msg
else
echomsg call('printf', [a:msg] + a:000)
endif
echohl None
endfunction
function! s:run_cmd(cmd) abort
if !executable(g:crystal_compiler_command)
throw "vim-crystal: Error: '" . g:crystal_compiler_command . "' command is not found."
endif
return s:P.system(a:cmd)
endfunction
function! s:find_root_by_spec(d) abort
let dir = finddir('spec', a:d . ';')
if dir ==# ''
return ''
endif
" Note: ':h:h' for {root}/spec/ -> {root}/spec -> {root}
return fnamemodify(dir, ':p:h:h')
endfunction
function! crystal_lang#entrypoint_for(file_path) abort
let parent_dir = fnamemodify(a:file_path, ':p:h')
let root_dir = s:find_root_by_spec(parent_dir)
if root_dir ==# ''
" No spec diretory found. No need to make temporary file
return a:file_path
endif
let temp_name = root_dir . '/__vim-crystal-temporary-entrypoint-' . fnamemodify(a:file_path, ':t')
let contents = [
\ 'require "spec"',
\ 'require "./spec/**"',
\ printf('require "./%s"', fnamemodify(a:file_path, ':p')[strlen(root_dir)+1 : ])
\ ]
let result = writefile(contents, temp_name)
if result == -1
" Note: When writefile() failed
return a:file_path
endif
return temp_name
endfunction
function! crystal_lang#tool(name, file, pos, option_str) abort
let entrypoint = crystal_lang#entrypoint_for(a:file)
let cmd = printf(
\ '%s tool %s --no-color %s --cursor %s:%d:%d %s',
\ g:crystal_compiler_command,
\ a:name,
\ a:option_str,
\ a:file,
\ a:pos[1],
\ a:pos[2],
\ entrypoint
\ )
try
let output = s:run_cmd(cmd)
return {'failed': s:P.get_last_status(), 'output': output}
finally
" Note:
" If the entry point is temporary file, delete it finally.
if a:file !=# entrypoint
call delete(entrypoint)
endif
endtry
endfunction
" `pos` is assumed a returned value from getpos()
function! crystal_lang#impl(file, pos, option_str) abort
return crystal_lang#tool('implementations', a:file, a:pos, a:option_str)
endfunction
function! s:jump_to_impl(impl) abort
execute 'edit' a:impl.filename
call cursor(a:impl.line, a:impl.column)
endfunction
function! crystal_lang#jump_to_definition(file, pos) abort
echo 'analyzing definitions under cursor...'
let cmd_result = crystal_lang#impl(a:file, a:pos, '--format json')
if cmd_result.failed
return s:echo_error(cmd_result.output)
endif
let impl = s:J.decode(cmd_result.output)
if impl.status !=# 'ok'
return s:echo_error(impl.message)
endif
if len(impl.implementations) == 1
call s:jump_to_impl(impl.implementations[0])
return
endif
let message = "Multiple definitions detected. Choose a number\n\n"
for idx in range(len(impl.implementations))
let i = impl.implementations[idx]
let message .= printf("[%d] %s:%d:%d\n", idx, i.filename, i.line, i.column)
endfor
let message .= "\n"
let idx = str2nr(input(message, "\n> "))
call s:jump_to_impl(impl.implementations[idx])
endfunction
function! crystal_lang#context(file, pos, option_str) abort
return crystal_lang#tool('context', a:file, a:pos, a:option_str)
endfunction
function! crystal_lang#type_hierarchy(file, option_str) abort
let cmd = printf(
\ '%s tool hierarchy --no-color %s %s',
\ g:crystal_compiler_command,
\ a:option_str,
\ a:file
\ )
return s:run_cmd(cmd)
endfunction
function! s:find_completion_start() abort
let c = col('.')
if c <= 1
return -1
endif
let line = getline('.')[:c-2]
return match(line, '\w\+$')
endfunction
function! crystal_lang#complete(findstart, base) abort
if a:findstart
echom 'find start'
return s:find_completion_start()
endif
let cmd_result = crystal_lang#context(expand('%'), getpos('.'), '--format json')
if cmd_result.failed
return
endif
let contexts = s:J.decode(cmd_result.output)
if contexts.status !=# 'ok'
return
endif
let candidates = []
for c in contexts.contexts
for [name, desc] in items(c)
let candidates += [{
\ 'word': name,
\ 'menu': ': ' . desc . ' [var]',
\ }]
endfor
endfor
return candidates
endfunction
function! crystal_lang#get_spec_switched_path(absolute_path) abort
let base = fnamemodify(a:absolute_path, ':t:r')
" TODO: Make cleverer
if base =~# '_spec$'
let parent = fnamemodify(substitute(a:absolute_path, '/spec/', '/src/', ''), ':h')
return parent . '/' . matchstr(base, '.\+\ze_spec$') . '.cr'
else
let parent = fnamemodify(substitute(a:absolute_path, '/src/', '/spec/', ''), ':h')
return parent . '/' . base . '_spec.cr'
endif
endfunction
function! crystal_lang#switch_spec_file(...) abort
let path = a:0 == 0 ? expand('%:p') : fnamemodify(a:1, ':p')
if path !~# '.cr$'
return s:echo_error('Not crystal source file: ' . path)
endif
execute 'edit!' crystal_lang#get_spec_switched_path(path)
endfunction
function! s:run_spec(root, path, ...) abort
" Note:
" `crystal spec` can't understand absolute path.
let cmd = printf(
\ '%s spec %s%s',
\ g:crystal_compiler_command,
\ a:path,
\ a:0 == 0 ? '' : (':' . a:1)
\ )
let saved_cwd = getcwd()
let cd = haslocaldir() ? 'lcd' : 'cd'
try
execute cd a:root
call s:C.echo(s:run_cmd(cmd))
finally
execute cd saved_cwd
endtry
endfunction
function! crystal_lang#run_all_spec(...) abort
let path = a:0 == 0 ? expand('%:p:h') : a:1
let root_path = s:find_root_by_spec(path)
if root_path ==# ''
return s:echo_error("'spec' directory is not found")
endif
call s:run_spec(root_path, 'spec')
endfunction
function! crystal_lang#run_current_spec(...) abort
" /foo/bar/src/poyo.cr
let path = a:0 == 0 ? expand('%:p') : fnamemodify(a:1, ':p')
if path !~# '.cr$'
return s:echo_error('Not crystal source file: ' . path)
endif
" /foo/bar/src
let source_dir = fnamemodify(path, ':h')
" /foo/bar
let root_dir = s:find_root_by_spec(source_dir)
if root_dir ==# ''
return s:echo_error("'spec' directory is not found")
endif
" src
let rel_path = source_dir[strlen(root_dir)+1 : ]
if path =~# '_spec.cr$'
call s:run_spec(root_dir, path[strlen(root_dir)+1 : ], line('.'))
else
let spec_path = substitute(rel_path, '^src', 'spec', '') . '/' . fnamemodify(path, ':t:r') . '_spec.cr'
if !filereadable(root_dir . '/' . spec_path)
return s:echo_error('Error: Could not find a spec source corresponding to ' . path)
endif
call s:run_spec(root_dir, spec_path)
endif
endfunction
function! crystal_lang#format_string(code, ...) abort
let cmd = printf(
\ '%s tool format --no-color %s -',
\ g:crystal_compiler_command,
\ get(a:, 1, '')
\ )
let output = s:P.system(cmd, a:code)
if s:P.get_last_status()
throw 'vim-crystal: Error on formatting: ' . output
endif
return output
endfunction
function! s:get_saved_states() abort
let result = {}
let fname = bufname('%')
let current_winnr = winnr()
for i in range(1, winnr('$'))
let bufnr = winbufnr(i)
if bufnr == -1
continue
endif
if bufname(bufnr) ==# fname
execute i 'wincmd w'
let result[i] = {
\ 'pos': getpos('.'),
\ 'screen': winsaveview()
\ }
endif
endfor
execute current_winnr 'wincmd w'
return result
endfunction
function! crystal_lang#format(option_str) abort
if !executable(g:crystal_compiler_command)
" Finish command silently
return
endif
let formatted = crystal_lang#format_string(join(getline(1, '$'), "\n"), a:option_str)
let formatted = substitute(formatted, '\n$', '', '')
let sel_save = &l:selection
let ve_save = &virtualedit
let &l:selection = 'inclusive'
let &virtualedit = ''
let [save_g_reg, save_g_regtype] = [getreg('g'), getregtype('g')]
let windows_save = s:get_saved_states()
try
call setreg('g', formatted, 'v')
silent normal! ggvG$"gp
finally
call setreg('g', save_g_reg, save_g_regtype)
let &l:selection = sel_save
let &virtualedit = ve_save
let winnr = winnr()
for winnr in keys(windows_save)
let w = windows_save[winnr]
execute winnr 'wincmd w'
call setpos('.', w.pos)
call winrestview(w.screen)
endfor
execute winnr 'wincmd w'
endtry
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
endif

16
autoload/vital.vim Normal file
View File

@ -0,0 +1,16 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
function! vital#of(name) abort
let files = globpath(&runtimepath, 'autoload/vital/' . a:name . '.vital')
let file = split(files, "\n")
if empty(file)
throw 'vital: version file not found: ' . a:name
endif
let ver = readfile(file[0], 'b')
if empty(ver)
throw 'vital: invalid version file: ' . a:name
endif
return vital#_{substitute(ver[0], '\W', '', 'g')}#new()
endfunction
endif

313
autoload/vital/_crystal.vim Normal file
View File

@ -0,0 +1,313 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
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 = {}
let s:cache_module_path = {}
let s:cache_sid = {}
let s:_vital_files_cache_runtimepath = ''
let s:_vital_files_cache = []
let s:_unify_path_cache = {}
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
let dict_type = type({})
while !empty(target)
let ns = remove(target, 0)
if !has_key(dict, ns)
let dict[ns] = {}
endif
if type(dict[ns]) == dict_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 = {}
let s:cache_sid = {}
let s:cache_module_path = {}
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
let key = a:name . '_'
if has_key(s:cache_module_path, key)
return s:cache_module_path[key]
endif
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, '')
let s:cache_module_path[key] = path
return path
endfunction
function! s:_get_sid_by_script(path) abort
if has_key(s:cache_sid, a:path)
return s:cache_sid[a:path]
endif
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*$')
if !empty(list) && s:_unify_path(list[2]) ==# path
let s:cache_sid[a:path] = list[1] - 0
return s:cache_sid[a:path]
endif
endfor
return 0
endfunction
function! s:_file2module(file) abort
let filename = fnamemodify(a:file, ':p:gs?[\\/]?/?')
let tail = matchstr(filename, 'autoload/vital/_\w\+/\zs.*\ze\.vim$')
return join(split(tail, '[\\/]\+'), '.')
endfunction
if filereadable(expand('<sfile>:r') . '.VIM')
" resolve() is slow, so we cache results.
" 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
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_created')
call module._vital_created(module)
endif
let export_module = filter(copy(module), 'v:key =~# "^\\a"')
let s:loaded[a:sid] = get(g:, 'vital_debug', 0) ? module : export_module
if has_key(module, '_vital_loaded')
let V = vital#{s:self_version}#new()
call module._vital_loaded(V)
endif
return copy(s:loaded[a:sid])
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
endif

View File

@ -0,0 +1,182 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
scriptencoding utf-8
let s:save_cpo = &cpo
set cpo&vim
function! s:_is_available() abort
if has('gui_running')
return 1
endif
if has('win32') || has('win64')
return 0
endif
return exists('&t_Co') && (&t_Co == 8 || &t_Co == 256)
endfunction
function! s:is_available() abort
if exists('s:is_available_cache')
return s:is_available_cache
endif
let s:is_available_cache = s:_is_available()
return s:is_available_cache
endfunction
function! s:_define_ansi_highlights() abort
hi ansiNone cterm=NONE gui=NONE
hi ansiBlackBg ctermbg=black guibg=black cterm=none gui=none
hi ansiRedBg ctermbg=red guibg=red cterm=none gui=none
hi ansiGreenBg ctermbg=green guibg=green cterm=none gui=none
hi ansiYellowBg ctermbg=yellow guibg=yellow cterm=none gui=none
hi ansiBlueBg ctermbg=blue guibg=blue cterm=none gui=none
hi ansiMagentaBg ctermbg=magenta guibg=magenta cterm=none gui=none
hi ansiCyanBg ctermbg=cyan guibg=cyan cterm=none gui=none
hi ansiWhiteBg ctermbg=white guibg=white cterm=none gui=none
hi ansiGrayBg ctermbg=gray guibg=gray cterm=none gui=none
hi ansiBlackFg ctermfg=black guifg=black cterm=none gui=none
hi ansiRedFg ctermfg=red guifg=red cterm=none gui=none
hi ansiGreenFg ctermfg=green guifg=green cterm=none gui=none
hi ansiYellowFg ctermfg=yellow guifg=yellow cterm=none gui=none
hi ansiBlueFg ctermfg=blue guifg=blue cterm=none gui=none
hi ansiMagentaFg ctermfg=magenta guifg=magenta cterm=none gui=none
hi ansiCyanFg ctermfg=cyan guifg=cyan cterm=none gui=none
hi ansiWhiteFg ctermfg=white guifg=white cterm=none gui=none
hi ansiGrayFg ctermfg=gray guifg=gray cterm=none gui=none
hi ansiBoldBlackFg ctermfg=black guifg=black cterm=none gui=none cterm=bold gui=bold
hi ansiBoldRedFg ctermfg=red guifg=red cterm=none gui=none cterm=bold gui=bold
hi ansiBoldGreenFg ctermfg=green guifg=green cterm=none gui=none cterm=bold gui=bold
hi ansiBoldYellowFg ctermfg=yellow guifg=yellow cterm=none gui=none cterm=bold gui=bold
hi ansiBoldBlueFg ctermfg=blue guifg=blue cterm=none gui=none cterm=bold gui=bold
hi ansiBoldMagentaFg ctermfg=magenta guifg=magenta cterm=none gui=none cterm=bold gui=bold
hi ansiBoldCyanFg ctermfg=cyan guifg=cyan cterm=none gui=none cterm=bold gui=bold
hi ansiBoldWhiteFg ctermfg=white guifg=white cterm=none gui=none cterm=bold gui=bold
hi ansiBoldGrayFg ctermfg=gray guifg=gray cterm=none gui=none cterm=bold gui=bold
hi ansiUnderlineBlackFg ctermfg=black guifg=black cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineRedFg ctermfg=red guifg=red cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineGreenFg ctermfg=green guifg=green cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineYellowFg ctermfg=yellow guifg=yellow cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineBlueFg ctermfg=blue guifg=blue cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineMagentaFg ctermfg=magenta guifg=magenta cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineCyanFg ctermfg=cyan guifg=cyan cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineWhiteFg ctermfg=white guifg=white cterm=none gui=none cterm=underline gui=underline
hi ansiUnderlineGrayFg ctermfg=gray guifg=gray cterm=none gui=none cterm=underline gui=underline
endfunction
let s:echorizer = {
\ 'value': '',
\ 'attr': '',
\ }
function s:echorizer.eat() abort
let matched = match(self.value, '\e\[\d*;\=m')
if matched == -1
return {}
endif
let matched_end = matchend(self.value, '\e\[\d*;\=m')
let token = {
\ 'body': matched == 0 ? '' : self.value[ : matched-1],
\ 'code': matchstr(self.value[matched : matched_end-1], '\d\+')
\ }
let self.value = self.value[matched_end : ]
return token
endfunction
let s:COLORS = {
\ 0: "None",
\ 30: "BlackFg",
\ 31: "RedFg",
\ 32: "GreenFg",
\ 33: "YellowFg",
\ 34: "BlueFg",
\ 35: "MagentaFg",
\ 36: "CyanFg",
\ 37: "WhiteFg",
\ 40: "BlackBg",
\ 41: "RedBg",
\ 42: "GreenBg",
\ 43: "YellowBg",
\ 44: "BlueBg",
\ 45: "MagentaBg",
\ 46: "CyanBg",
\ 47: "WhiteBg",
\ 90: "GrayFg",
\ }
function s:echorizer.echo_ansi(code) abort
if !has_key(s:COLORS, a:code)
return
endif
execute 'echohl' 'ansi' . self.attr . s:COLORS[a:code]
if a:code == 0
let self.attr = ''
endif
endfunction
function s:echorizer.echo() abort
echo
while 1
let token = self.eat()
if token == {}
break
endif
if token.body !=# ''
echon token.body
endif
" TODO: Now only one attribute can be specified
if token.code == 1
let self.attr = 'Bold'
elseif token.code == 4
let self.attr = 'Underline'
elseif token.code ==# ''
call self.echo_ansi(0)
else
call self.echo_ansi(token.code)
endif
endwhile
echon self.value
echohl None
let self.value = ''
endfunction
function! s:get_echorizer(str) abort
let e = deepcopy(s:echorizer)
let e.value = a:str
return e
endfunction
function! s:echo(str) abort
if !s:is_available()
echo substitute(a:str, '\e[.*m', '', 'g')
return
endif
if !exists('g:__vital_color_echo_already_highlighted')
call s:_define_ansi_highlights()
let g:__vital_color_echo_already_highlighted = 1
endif
let echorizer = s:get_echorizer(a:str)
call echorizer.echo()
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
endif

View File

@ -0,0 +1,446 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" Utilities for list.
let s:save_cpo = &cpo
set cpo&vim
function! s:pop(list) abort
return remove(a:list, -1)
endfunction
function! s:push(list, val) abort
call add(a:list, a:val)
return a:list
endfunction
function! s:shift(list) abort
return remove(a:list, 0)
endfunction
function! s:unshift(list, val) abort
return insert(a:list, a:val)
endfunction
function! s:cons(x, xs) abort
return [a:x] + a:xs
endfunction
function! s:conj(xs, x) abort
return a:xs + [a:x]
endfunction
" Removes duplicates from a list.
function! s:uniq(list) abort
return s:uniq_by(a:list, 'v:val')
endfunction
" Removes duplicates from a list.
function! s:uniq_by(list, f) abort
let list = map(copy(a:list), printf('[v:val, %s]', a:f))
let i = 0
let seen = {}
while i < len(list)
let key = string(list[i][1])
if has_key(seen, key)
call remove(list, i)
else
let seen[key] = 1
let i += 1
endif
endwhile
return map(list, 'v:val[0]')
endfunction
function! s:clear(list) abort
if !empty(a:list)
unlet! a:list[0 : len(a:list) - 1]
endif
return a:list
endfunction
" Concatenates a list of lists.
" XXX: Should we verify the input?
function! s:concat(list) abort
let memo = []
for Value in a:list
let memo += Value
endfor
return memo
endfunction
" Take each elements from lists to a new list.
function! s:flatten(list, ...) abort
let limit = a:0 > 0 ? a:1 : -1
let memo = []
if limit == 0
return a:list
endif
let limit -= 1
for Value in a:list
let memo +=
\ type(Value) == type([]) ?
\ s:flatten(Value, limit) :
\ [Value]
unlet! Value
endfor
return memo
endfunction
" Sorts a list with expression to compare each two values.
" a:a and a:b can be used in {expr}.
function! s:sort(list, expr) abort
if type(a:expr) == type(function('function'))
return sort(a:list, a:expr)
endif
let s:expr = a:expr
return sort(a:list, 's:_compare')
endfunction
function! s:_compare(a, b) abort
return eval(s:expr)
endfunction
" Sorts a list using a set of keys generated by mapping the values in the list
" through the given expr.
" v:val is used in {expr}
function! s:sort_by(list, expr) abort
let pairs = map(a:list, printf('[v:val, %s]', a:expr))
return map(s:sort(pairs,
\ 'a:a[1] ==# a:b[1] ? 0 : a:a[1] ># a:b[1] ? 1 : -1'), 'v:val[0]')
endfunction
" Returns a maximum value in {list} through given {expr}.
" Returns 0 if {list} is empty.
" v:val is used in {expr}
function! s:max_by(list, expr) abort
if empty(a:list)
return 0
endif
let list = map(copy(a:list), a:expr)
return a:list[index(list, max(list))]
endfunction
" Returns a minimum value in {list} through given {expr}.
" Returns 0 if {list} is empty.
" v:val is used in {expr}
" FIXME: -0x80000000 == 0x80000000
function! s:min_by(list, expr) abort
return s:max_by(a:list, '-(' . a:expr . ')')
endfunction
" Returns List of character sequence between [a:from, a:to]
" e.g.: s:char_range('a', 'c') returns ['a', 'b', 'c']
function! s:char_range(from, to) abort
return map(
\ range(char2nr(a:from), char2nr(a:to)),
\ 'nr2char(v:val)'
\)
endfunction
" Returns true if a:list has a:value.
" Returns false otherwise.
function! s:has(list, value) abort
return index(a:list, a:value) isnot -1
endfunction
" Returns true if a:list[a:index] exists.
" Returns false otherwise.
" NOTE: Returns false when a:index is negative number.
function! s:has_index(list, index) abort
" Return true when negative index?
" let index = a:index >= 0 ? a:index : len(a:list) + a:index
return 0 <= a:index && a:index < len(a:list)
endfunction
" similar to Haskell's Data.List.span
function! s:span(f, xs) abort
let border = len(a:xs)
for i in range(len(a:xs))
if !eval(substitute(a:f, 'v:val', string(a:xs[i]), 'g'))
let border = i
break
endif
endfor
return border == 0 ? [[], copy(a:xs)] : [a:xs[: border - 1], a:xs[border :]]
endfunction
" similar to Haskell's Data.List.break
function! s:break(f, xs) abort
return s:span(printf('!(%s)', a:f), a:xs)
endfunction
" similar to Haskell's Data.List.takeWhile
function! s:take_while(f, xs) abort
return s:span(a:f, a:xs)[0]
endfunction
" similar to Haskell's Data.List.partition
function! s:partition(f, xs) abort
return [filter(copy(a:xs), a:f), filter(copy(a:xs), '!(' . a:f . ')')]
endfunction
" similar to Haskell's Prelude.all
function! s:all(f, xs) abort
return !s:any(printf('!(%s)', a:f), a:xs)
endfunction
" similar to Haskell's Prelude.any
function! s:any(f, xs) abort
return !empty(filter(map(copy(a:xs), a:f), 'v:val'))
endfunction
" similar to Haskell's Prelude.and
function! s:and(xs) abort
return s:all('v:val', a:xs)
endfunction
" similar to Haskell's Prelude.or
function! s:or(xs) abort
return s:any('v:val', a:xs)
endfunction
function! s:map_accum(expr, xs, init) abort
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) abort
let memo = a:init
for x in a:xs
let expr = substitute(a:f, 'v:val', string(x), 'g')
let expr = substitute(expr, 'v:memo', string(memo), 'g')
unlet memo
let memo = eval(expr)
endfor
return memo
endfunction
" similar to Haskell's Prelude.foldl1
function! s:foldl1(f, xs) abort
if len(a:xs) == 0
throw 'vital: Data.List: foldl1'
endif
return s:foldl(a:f, a:xs[0], a:xs[1:])
endfunction
" similar to Haskell's Prelude.foldr
function! s:foldr(f, init, xs) abort
return s:foldl(a:f, a:init, reverse(copy(a:xs)))
endfunction
" similar to Haskell's Prelude.fold11
function! s:foldr1(f, xs) abort
if len(a:xs) == 0
throw 'vital: Data.List: foldr1'
endif
return s:foldr(a:f, a:xs[-1], a:xs[0:-2])
endfunction
" similar to python's zip()
function! s:zip(...) abort
return map(range(min(map(copy(a:000), 'len(v:val)'))), "map(copy(a:000), 'v:val['.v:val.']')")
endfunction
" similar to zip(), but goes until the longer one.
function! s:zip_fill(xs, ys, filler) abort
if empty(a:xs) && empty(a:ys)
return []
elseif empty(a:ys)
return s:cons([a:xs[0], a:filler], s:zip_fill(a:xs[1 :], [], a:filler))
elseif empty(a:xs)
return s:cons([a:filler, a:ys[0]], s:zip_fill([], a:ys[1 :], a:filler))
else
return s:cons([a:xs[0], a:ys[0]], s:zip_fill(a:xs[1 :], a:ys[1: ], a:filler))
endif
endfunction
" Inspired by Ruby's with_index method.
function! s:with_index(list, ...) abort
let base = a:0 > 0 ? a:1 : 0
return map(copy(a:list), '[v:val, v:key + base]')
endfunction
" similar to Ruby's detect or Haskell's find.
function! s:find(list, default, f) abort
for x in a:list
if eval(substitute(a:f, 'v:val', string(x), 'g'))
return x
endif
endfor
return a:default
endfunction
" Returns the index of the first element which satisfies the given expr.
function! s:find_index(xs, f, ...) abort
let len = len(a:xs)
let start = a:0 > 0 ? (a:1 < 0 ? len + a:1 : a:1) : 0
let default = a:0 > 1 ? a:2 : -1
if start >=# len || start < 0
return default
endif
for i in range(start, len - 1)
if eval(substitute(a:f, 'v:val', string(a:xs[i]), 'g'))
return i
endif
endfor
return default
endfunction
" Returns the index of the last element which satisfies the given expr.
function! s:find_last_index(xs, f, ...) abort
let len = len(a:xs)
let start = a:0 > 0 ? (a:1 < 0 ? len + a:1 : a:1) : len - 1
let default = a:0 > 1 ? a:2 : -1
if start >=# len || start < 0
return default
endif
for i in range(start, 0, -1)
if eval(substitute(a:f, 'v:val', string(a:xs[i]), 'g'))
return i
endif
endfor
return default
endfunction
" Similar to find_index but returns the list of indices satisfying the given expr.
function! s:find_indices(xs, f, ...) abort
let len = len(a:xs)
let start = a:0 > 0 ? (a:1 < 0 ? len + a:1 : a:1) : 0
let result = []
if start >=# len || start < 0
return result
endif
for i in range(start, len - 1)
if eval(substitute(a:f, 'v:val', string(a:xs[i]), 'g'))
call add(result, i)
endif
endfor
return result
endfunction
" Return non-zero if a:list1 and a:list2 have any common item(s).
" Return zero otherwise.
function! s:has_common_items(list1, list2) abort
return !empty(filter(copy(a:list1), 'index(a:list2, v:val) isnot -1'))
endfunction
function! s:intersect(list1, list2) abort
let items = []
" for funcref
for X in a:list1
if index(a:list2, X) != -1 && index(items, X) == -1
let items += [X]
endif
endfor
return items
endfunction
" similar to Ruby's group_by.
function! s:group_by(xs, f) abort
let result = {}
let list = map(copy(a:xs), printf('[v:val, %s]', a:f))
for x in list
let Val = x[0]
let key = type(x[1]) !=# type('') ? string(x[1]) : x[1]
if has_key(result, key)
call add(result[key], Val)
else
let result[key] = [Val]
endif
unlet Val
endfor
return result
endfunction
function! s:_default_compare(a, b) abort
return a:a <# a:b ? -1 : a:a ># a:b ? 1 : 0
endfunction
function! s:binary_search(list, value, ...) abort
let Predicate = a:0 >= 1 ? a:1 : 's:_default_compare'
let dic = a:0 >= 2 ? a:2 : {}
let start = 0
let end = len(a:list) - 1
while 1
if start > end
return -1
endif
let middle = (start + end) / 2
let compared = call(Predicate, [a:value, a:list[middle]], dic)
if compared < 0
let end = middle - 1
elseif compared > 0
let start = middle + 1
else
return middle
endif
endwhile
endfunction
function! s:product(lists) abort
let result = [[]]
for pool in a:lists
let tmp = []
for x in result
let tmp += map(copy(pool), 'x + [v:val]')
endfor
let result = tmp
endfor
return result
endfunction
function! s:permutations(list, ...) abort
if a:0 > 1
throw 'vital: Data.List: too many arguments'
endif
let r = a:0 == 1 ? a:1 : len(a:list)
if r > len(a:list)
return []
elseif r < 0
throw 'vital: Data.List: {r} must be non-negative integer'
endif
let n = len(a:list)
let result = []
for indices in s:product(map(range(r), 'range(n)'))
if len(s:uniq(indices)) == r
call add(result, map(indices, 'a:list[v:val]'))
endif
endfor
return result
endfunction
function! s:combinations(list, r) abort
if a:r > len(a:list)
return []
elseif a:r < 0
throw 'vital: Data:List: {r} must be non-negative integer'
endif
let n = len(a:list)
let result = []
for indices in s:permutations(range(n), a:r)
if s:sort(copy(indices), 'a:a - a:b') == indices
call add(result, map(indices, 'a:list[v:val]'))
endif
endfor
return result
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:
endif

View File

@ -0,0 +1,572 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" Utilities for string.
let s:save_cpo = &cpo
set cpo&vim
function! s:_vital_loaded(V) abort
let s:V = a:V
let s:P = s:V.import('Prelude')
let s:L = s:V.import('Data.List')
endfunction
function! s:_vital_depends() abort
return ['Prelude', 'Data.List']
endfunction
" Substitute a:from => a:to by string.
" To substitute by pattern, use substitute() instead.
function! s:replace(str, from, to) abort
return s:_replace(a:str, a:from, a:to, 'g')
endfunction
" Substitute a:from => a:to only once.
" cf. s:replace()
function! s:replace_first(str, from, to) abort
return s:_replace(a:str, a:from, a:to, '')
endfunction
" implement of replace() and replace_first()
function! s:_replace(str, from, to, flags) abort
return substitute(a:str, '\V'.escape(a:from, '\'), escape(a:to, '\'), a:flags)
endfunction
function! s:scan(str, pattern) abort
let list = []
call substitute(a:str, a:pattern, '\=add(list, submatch(0)) == [] ? "" : ""', 'g')
return list
endfunction
function! s:reverse(str) abort
return join(reverse(split(a:str, '.\zs')), '')
endfunction
function! s:starts_with(str, prefix) abort
return stridx(a:str, a:prefix) == 0
endfunction
function! s:ends_with(str, suffix) abort
let idx = strridx(a:str, a:suffix)
return 0 <= idx && idx + len(a:suffix) == len(a:str)
endfunction
function! s:common_head(strs) abort
if empty(a:strs)
return ''
endif
let len = len(a:strs)
if len == 1
return a:strs[0]
endif
let strs = len == 2 ? a:strs : sort(copy(a:strs))
let pat = substitute(strs[0], '.', '\="[" . escape(submatch(0), "^\\") . "]"', 'g')
return pat == '' ? '' : matchstr(strs[-1], '\C^\%[' . pat . ']')
endfunction
" Split to two elements of List. ([left, right])
" e.g.: s:split3('neocomplcache', 'compl') returns ['neo', 'compl', 'cache']
function! s:split_leftright(expr, pattern) abort
let [left, _, right] = s:split3(a:expr, a:pattern)
return [left, right]
endfunction
function! s:split3(expr, pattern) abort
let ERROR = ['', '', '']
if a:expr ==# '' || a:pattern ==# ''
return ERROR
endif
let begin = match(a:expr, a:pattern)
if begin is -1
return ERROR
endif
let end = matchend(a:expr, a:pattern)
let left = begin <=# 0 ? '' : a:expr[: begin - 1]
let right = a:expr[end :]
return [left, a:expr[begin : end-1], right]
endfunction
" Slices into strings determines the number of substrings.
" e.g.: s:nsplit("neo compl cache", 2, '\s') returns ['neo', 'compl cache']
function! s:nsplit(expr, n, ...) abort
let pattern = get(a:000, 0, '\s')
let keepempty = get(a:000, 1, 1)
let ret = []
let expr = a:expr
if a:n <= 1
return [expr]
endif
while 1
let pos = match(expr, pattern)
if pos == -1
if expr !~ pattern || keepempty
call add(ret, expr)
endif
break
elseif pos >= 0
let left = pos > 0 ? expr[:pos-1] : ''
if pos > 0 || keepempty
call add(ret, left)
endif
let ml = len(matchstr(expr, pattern))
if pos == 0 && ml == 0
let pos = 1
endif
let expr = expr[pos+ml :]
endif
if len(expr) == 0
break
endif
if len(ret) == a:n - 1
call add(ret, expr)
break
endif
endwhile
return ret
endfunction
" Returns the number of character in a:str.
" NOTE: This returns proper value
" even if a:str contains multibyte character(s).
" s:strchars(str) {{{
if exists('*strchars')
function! s:strchars(str) abort
return strchars(a:str)
endfunction
else
function! s:strchars(str) abort
return strlen(substitute(copy(a:str), '.', 'x', 'g'))
endfunction
endif "}}}
" Returns the bool of contains any multibyte character in s:str
function! s:contains_multibyte(str) abort "{{{
return strlen(a:str) != s:strchars(a:str)
endfunction "}}}
" Remove last character from a:str.
" NOTE: This returns proper value
" even if a:str contains multibyte character(s).
function! s:chop(str) abort "{{{
return substitute(a:str, '.$', '', '')
endfunction "}}}
" Remove last \r,\n,\r\n from a:str.
function! s:chomp(str) abort "{{{
return substitute(a:str, '\%(\r\n\|[\r\n]\)$', '', '')
endfunction "}}}
" wrap() and its internal functions
" * _split_by_wcswidth_once()
" * _split_by_wcswidth()
" * _concat()
" * wrap()
"
" NOTE _concat() is just a copy of Data.List.concat().
" FIXME don't repeat yourself
function! s:_split_by_wcswidth_once(body, x) abort
let fst = s:strwidthpart(a:body, a:x)
let snd = s:strwidthpart_reverse(a:body, s:wcswidth(a:body) - s:wcswidth(fst))
return [fst, snd]
endfunction
function! s:_split_by_wcswidth(body, x) abort
let memo = []
let body = a:body
while s:wcswidth(body) > a:x
let [tmp, body] = s:_split_by_wcswidth_once(body, a:x)
call add(memo, tmp)
endwhile
call add(memo, body)
return memo
endfunction
function! s:trim(str) abort
return matchstr(a:str,'^\s*\zs.\{-}\ze\s*$')
endfunction
function! s:trim_start(str) abort
return matchstr(a:str,'^\s*\zs.\{-}$')
endfunction
function! s:trim_end(str) abort
return matchstr(a:str,'^.\{-}\ze\s*$')
endfunction
function! s:wrap(str,...) abort
let _columns = a:0 > 0 ? a:1 : &columns
return s:L.concat(
\ map(split(a:str, '\r\n\|[\r\n]'), 's:_split_by_wcswidth(v:val, _columns - 1)'))
endfunction
function! s:nr2byte(nr) abort
if a:nr < 0x80
return nr2char(a:nr)
elseif a:nr < 0x800
return nr2char(a:nr/64+192).nr2char(a:nr%64+128)
else
return nr2char(a:nr/4096%16+224).nr2char(a:nr/64%64+128).nr2char(a:nr%64+128)
endif
endfunction
function! s:nr2enc_char(charcode) abort
if &encoding == 'utf-8'
return nr2char(a:charcode)
endif
let char = s:nr2byte(a:charcode)
if strlen(char) > 1
let char = strtrans(iconv(char, 'utf-8', &encoding))
endif
return char
endfunction
function! s:nr2hex(nr) abort
let n = a:nr
let r = ""
while n
let r = '0123456789ABCDEF'[n % 16] . r
let n = n / 16
endwhile
return r
endfunction
" If a ==# b, returns -1.
" If a !=# b, returns first index of different character.
function! s:diffidx(a, b) abort
return a:a ==# a:b ? -1 : strlen(s:common_head([a:a, a:b]))
endfunction
function! s:substitute_last(expr, pat, sub) abort
return substitute(a:expr, printf('.*\zs%s', a:pat), a:sub, '')
endfunction
function! s:dstring(expr) abort
let x = substitute(string(a:expr), "^'\\|'$", '', 'g')
let x = substitute(x, "''", "'", 'g')
return printf('"%s"', escape(x, '"'))
endfunction
function! s:lines(str) abort
return split(a:str, '\r\?\n')
endfunction
function! s:_pad_with_char(str, left, right, char) abort
return repeat(a:char, a:left). a:str. repeat(a:char, a:right)
endfunction
function! s:pad_left(str, width, ...) abort
let char = get(a:, 1, ' ')
if strdisplaywidth(char) != 1
throw "vital: Data.String: Can't use non-half-width characters for padding."
endif
let left = max([0, a:width - strdisplaywidth(a:str)])
return s:_pad_with_char(a:str, left, 0, char)
endfunction
function! s:pad_right(str, width, ...) abort
let char = get(a:, 1, ' ')
if strdisplaywidth(char) != 1
throw "vital: Data.String: Can't use non-half-width characters for padding."
endif
let right = max([0, a:width - strdisplaywidth(a:str)])
return s:_pad_with_char(a:str, 0, right, char)
endfunction
function! s:pad_both_sides(str, width, ...) abort
let char = get(a:, 1, ' ')
if strdisplaywidth(char) != 1
throw "vital: Data.String: Can't use non-half-width characters for padding."
endif
let space = max([0, a:width - strdisplaywidth(a:str)])
let left = space / 2
let right = space - left
return s:_pad_with_char(a:str, left, right, char)
endfunction
function! s:pad_between_letters(str, width, ...) abort
let char = get(a:, 1, ' ')
if strdisplaywidth(char) != 1
throw "vital: Data.String: Can't use non-half-width characters for padding."
endif
let letters = split(a:str, '\zs')
let each_width = a:width / len(letters)
let str = join(map(letters, 's:pad_both_sides(v:val, each_width, char)'), '')
if a:width - strdisplaywidth(str) > 0
return char. s:pad_both_sides(str, a:width - 1, char)
endif
return str
endfunction
function! s:justify_equal_spacing(str, width, ...) abort
let char = get(a:, 1, ' ')
if strdisplaywidth(char) != 1
throw "vital: Data.String: Can't use non-half-width characters for padding."
endif
let letters = split(a:str, '\zs')
let first_letter = letters[0]
" {width w/o the first letter} / {length w/o the first letter}
let each_width = (a:width - strdisplaywidth(first_letter)) / (len(letters) - 1)
let remainder = (a:width - strdisplaywidth(first_letter)) % (len(letters) - 1)
return first_letter. join(s:L.concat([
\ map(letters[1:remainder], 's:pad_left(v:val, each_width + 1, char)'),
\ map(letters[remainder + 1:], 's:pad_left(v:val, each_width, char)')
\ ]), '')
endfunction
function! s:levenshtein_distance(str1, str2) abort
let letters1 = split(a:str1, '\zs')
let letters2 = split(a:str2, '\zs')
let length1 = len(letters1)
let length2 = len(letters2)
let distances = map(range(1, length1 + 1), 'map(range(1, length2 + 1), "0")')
for i1 in range(0, length1)
let distances[i1][0] = i1
endfor
for i2 in range(0, length2)
let distances[0][i2] = i2
endfor
for i1 in range(1, length1)
for i2 in range(1, length2)
let cost = (letters1[i1 - 1] ==# letters2[i2 - 1]) ? 0 : 1
let distances[i1][i2] = min([
\ distances[i1 - 1][i2 ] + 1,
\ distances[i1 ][i2 - 1] + 1,
\ distances[i1 - 1][i2 - 1] + cost,
\])
endfor
endfor
return distances[length1][length2]
endfunction
function! s:padding_by_displaywidth(expr, width, float) abort
let padding_char = ' '
let n = a:width - strdisplaywidth(a:expr)
if n <= 0
let n = 0
endif
if a:float < 0
return a:expr . repeat(padding_char, n)
elseif 0 < a:float
return repeat(padding_char, n) . a:expr
else
if n % 2 is 0
return repeat(padding_char, n / 2) . a:expr . repeat(padding_char, n / 2)
else
return repeat(padding_char, (n - 1) / 2) . a:expr . repeat(padding_char, (n - 1) / 2) . padding_char
endif
endif
endfunction
function! s:split_by_displaywidth(expr, width, float, is_wrap) abort
if a:width is 0
return ['']
endif
let lines = []
let cs = split(a:expr, '\zs')
let cs_index = 0
let text = ''
while cs_index < len(cs)
if cs[cs_index] is "\n"
let text = s:padding_by_displaywidth(text, a:width, a:float)
let lines += [text]
let text = ''
else
let w = strdisplaywidth(text . cs[cs_index])
if w < a:width
let text .= cs[cs_index]
elseif a:width < w
let text = s:padding_by_displaywidth(text, a:width, a:float)
else
let text .= cs[cs_index]
endif
if a:width <= w
let lines += [text]
let text = ''
if a:is_wrap
if a:width < w
if a:width < strdisplaywidth(cs[cs_index])
while get(cs, cs_index, "\n") isnot "\n"
let cs_index += 1
endwhile
continue
else
let text = cs[cs_index]
endif
endif
else
while get(cs, cs_index, "\n") isnot "\n"
let cs_index += 1
endwhile
continue
endif
endif
endif
let cs_index += 1
endwhile
if !empty(text)
let lines += [ s:padding_by_displaywidth(text, a:width, a:float) ]
endif
return lines
endfunction
function! s:hash(str) abort
if exists('*sha256')
return sha256(a:str)
else
" This gives up sha256ing but just adds up char with index.
let sum = 0
for i in range(len(a:str))
let sum += char2nr(a:str[i]) * (i + 1)
endfor
return printf('%x', sum)
endif
endfunction
function! s:truncate(str, width) abort
" Original function is from mattn.
" http://github.com/mattn/googlereader-vim/tree/master
if a:str =~# '^[\x00-\x7f]*$'
return len(a:str) < a:width ?
\ printf('%-'.a:width.'s', a:str) : strpart(a:str, 0, a:width)
endif
let ret = a:str
let width = s:wcswidth(a:str)
if width > a:width
let ret = s:strwidthpart(ret, a:width)
let width = s:wcswidth(ret)
endif
if width < a:width
let ret .= repeat(' ', a:width - width)
endif
return ret
endfunction
function! s:truncate_skipping(str, max, footer_width, separator) abort
let width = s:wcswidth(a:str)
if width <= a:max
let ret = a:str
else
let header_width = a:max - s:wcswidth(a:separator) - a:footer_width
let ret = s:strwidthpart(a:str, header_width) . a:separator
\ . s:strwidthpart_reverse(a:str, a:footer_width)
endif
return s:truncate(ret, a:max)
endfunction
function! s:strwidthpart(str, width) abort
if a:width <= 0
return ''
endif
let strarr = split(a:str, '\zs')
let width = s:wcswidth(a:str)
let index = len(strarr)
let diff = (index + 1) / 2
let rightindex = index - 1
while width > a:width
let index = max([rightindex - diff + 1, 0])
let partwidth = s:wcswidth(join(strarr[(index):(rightindex)], ''))
if width - partwidth >= a:width || diff <= 1
let width -= partwidth
let rightindex = index - 1
endif
if diff > 1
let diff = diff / 2
endif
endwhile
return index ? join(strarr[:index - 1], '') : ''
endfunction
function! s:strwidthpart_reverse(str, width) abort
if a:width <= 0
return ''
endif
let strarr = split(a:str, '\zs')
let width = s:wcswidth(a:str)
let strlen = len(strarr)
let diff = (strlen + 1) / 2
let leftindex = 0
let index = -1
while width > a:width
let index = min([leftindex + diff, strlen]) - 1
let partwidth = s:wcswidth(join(strarr[(leftindex):(index)], ''))
if width - partwidth >= a:width || diff <= 1
let width -= partwidth
let leftindex = index + 1
endif
if diff > 1
let diff = diff / 2
endif
endwhile
return index < strlen ? join(strarr[(index + 1):], '') : ''
endfunction
if v:version >= 703
" Use builtin function.
function! s:wcswidth(str) abort
return strwidth(a:str)
endfunction
else
function! s:wcswidth(str) abort
if a:str =~# '^[\x00-\x7f]*$'
return strlen(a:str)
endif
let mx_first = '^\(.\)'
let str = a:str
let width = 0
while 1
let ucs = char2nr(substitute(str, mx_first, '\1', ''))
if ucs == 0
break
endif
let width += s:_wcwidth(ucs)
let str = substitute(str, mx_first, '', '')
endwhile
return width
endfunction
" UTF-8 only.
function! s:_wcwidth(ucs) abort
let ucs = a:ucs
if (ucs >= 0x1100
\ && (ucs <= 0x115f
\ || ucs == 0x2329
\ || ucs == 0x232a
\ || (ucs >= 0x2e80 && ucs <= 0xa4cf
\ && ucs != 0x303f)
\ || (ucs >= 0xac00 && ucs <= 0xd7a3)
\ || (ucs >= 0xf900 && ucs <= 0xfaff)
\ || (ucs >= 0xfe30 && ucs <= 0xfe6f)
\ || (ucs >= 0xff00 && ucs <= 0xff60)
\ || (ucs >= 0xffe0 && ucs <= 0xffe6)
\ || (ucs >= 0x20000 && ucs <= 0x2fffd)
\ || (ucs >= 0x30000 && ucs <= 0x3fffd)
\ ))
return 2
endif
return 1
endfunction
endif
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:
endif

View File

@ -0,0 +1,389 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
let s:save_cpo = &cpo
set cpo&vim
if v:version ># 703 ||
\ (v:version is 703 && has('patch465'))
function! s:glob(expr) abort
return glob(a:expr, 1, 1)
endfunction
else
function! s:glob(expr) abort
let R = glob(a:expr, 1)
return split(R, '\n')
endfunction
endif
function! s:globpath(path, expr) abort
let R = globpath(a:path, a:expr, 1)
return split(R, '\n')
endfunction
" Wrapper functions for type().
let [
\ s:__TYPE_NUMBER,
\ s:__TYPE_STRING,
\ s:__TYPE_FUNCREF,
\ s:__TYPE_LIST,
\ s:__TYPE_DICT,
\ s:__TYPE_FLOAT] = [
\ type(3),
\ type(""),
\ type(function('tr')),
\ type([]),
\ type({}),
\ has('float') ? type(str2float('0')) : -1]
" __TYPE_FLOAT = -1 when -float
" This doesn't match to anything.
" Number or Float
function! s:is_numeric(Value) abort
let _ = type(a:Value)
return _ ==# s:__TYPE_NUMBER
\ || _ ==# s:__TYPE_FLOAT
endfunction
" Number
function! s:is_number(Value) abort
return type(a:Value) ==# s:__TYPE_NUMBER
endfunction
" Float
function! s:is_float(Value) abort
return type(a:Value) ==# s:__TYPE_FLOAT
endfunction
" String
function! s:is_string(Value) abort
return type(a:Value) ==# s:__TYPE_STRING
endfunction
" Funcref
function! s:is_funcref(Value) abort
return type(a:Value) ==# s:__TYPE_FUNCREF
endfunction
" List
function! s:is_list(Value) abort
return type(a:Value) ==# s:__TYPE_LIST
endfunction
" Dictionary
function! s:is_dict(Value) abort
return type(a:Value) ==# s:__TYPE_DICT
endfunction
function! s:truncate_skipping(str, max, footer_width, separator) abort
call s:_warn_deprecated("truncate_skipping", "Data.String.truncate_skipping")
let width = s:wcswidth(a:str)
if width <= a:max
let ret = a:str
else
let header_width = a:max - s:wcswidth(a:separator) - a:footer_width
let ret = s:strwidthpart(a:str, header_width) . a:separator
\ . s:strwidthpart_reverse(a:str, a:footer_width)
endif
return s:truncate(ret, a:max)
endfunction
function! s:truncate(str, width) abort
" Original function is from mattn.
" http://github.com/mattn/googlereader-vim/tree/master
call s:_warn_deprecated("truncate", "Data.String.truncate")
if a:str =~# '^[\x00-\x7f]*$'
return len(a:str) < a:width ?
\ printf('%-'.a:width.'s', a:str) : strpart(a:str, 0, a:width)
endif
let ret = a:str
let width = s:wcswidth(a:str)
if width > a:width
let ret = s:strwidthpart(ret, a:width)
let width = s:wcswidth(ret)
endif
if width < a:width
let ret .= repeat(' ', a:width - width)
endif
return ret
endfunction
function! s:strwidthpart(str, width) abort
call s:_warn_deprecated("strwidthpart", "Data.String.strwidthpart")
if a:width <= 0
return ''
endif
let ret = a:str
let width = s:wcswidth(a:str)
while width > a:width
let char = matchstr(ret, '.$')
let ret = ret[: -1 - len(char)]
let width -= s:wcswidth(char)
endwhile
return ret
endfunction
function! s:strwidthpart_reverse(str, width) abort
call s:_warn_deprecated("strwidthpart_reverse", "Data.String.strwidthpart_reverse")
if a:width <= 0
return ''
endif
let ret = a:str
let width = s:wcswidth(a:str)
while width > a:width
let char = matchstr(ret, '^.')
let ret = ret[len(char) :]
let width -= s:wcswidth(char)
endwhile
return ret
endfunction
if v:version >= 703
" Use builtin function.
function! s:wcswidth(str) abort
call s:_warn_deprecated("wcswidth", "Data.String.wcswidth")
return strwidth(a:str)
endfunction
else
function! s:wcswidth(str) abort
call s:_warn_deprecated("wcswidth", "Data.String.wcswidth")
if a:str =~# '^[\x00-\x7f]*$'
return strlen(a:str)
end
let mx_first = '^\(.\)'
let str = a:str
let width = 0
while 1
let ucs = char2nr(substitute(str, mx_first, '\1', ''))
if ucs == 0
break
endif
let width += s:_wcwidth(ucs)
let str = substitute(str, mx_first, '', '')
endwhile
return width
endfunction
" UTF-8 only.
function! s:_wcwidth(ucs) abort
let ucs = a:ucs
if (ucs >= 0x1100
\ && (ucs <= 0x115f
\ || ucs == 0x2329
\ || ucs == 0x232a
\ || (ucs >= 0x2e80 && ucs <= 0xa4cf
\ && ucs != 0x303f)
\ || (ucs >= 0xac00 && ucs <= 0xd7a3)
\ || (ucs >= 0xf900 && ucs <= 0xfaff)
\ || (ucs >= 0xfe30 && ucs <= 0xfe6f)
\ || (ucs >= 0xff00 && ucs <= 0xff60)
\ || (ucs >= 0xffe0 && ucs <= 0xffe6)
\ || (ucs >= 0x20000 && ucs <= 0x2fffd)
\ || (ucs >= 0x30000 && ucs <= 0x3fffd)
\ ))
return 2
endif
return 1
endfunction
endif
let s:is_windows = has('win16') || has('win32') || has('win64') || has('win95')
let s:is_cygwin = has('win32unix')
let s:is_mac = !s:is_windows && !s:is_cygwin
\ && (has('mac') || has('macunix') || has('gui_macvim') ||
\ (!isdirectory('/proc') && executable('sw_vers')))
let s:is_unix = has('unix')
function! s:is_windows() abort
return s:is_windows
endfunction
function! s:is_cygwin() abort
return s:is_cygwin
endfunction
function! s:is_mac() abort
return s:is_mac
endfunction
function! s:is_unix() abort
return s:is_unix
endfunction
function! s:_warn_deprecated(name, alternative) abort
try
echohl Error
echomsg "Prelude." . a:name . " is deprecated! Please use " . a:alternative . " instead."
finally
echohl None
endtry
endfunction
function! s:smart_execute_command(action, word) abort
execute a:action . ' ' . (a:word == '' ? '' : '`=a:word`')
endfunction
function! s:escape_file_searching(buffer_name) abort
return escape(a:buffer_name, '*[]?{}, ')
endfunction
function! s:escape_pattern(str) abort
return escape(a:str, '~"\.^$[]*')
endfunction
function! s:getchar(...) abort
let c = call('getchar', a:000)
return type(c) == type(0) ? nr2char(c) : c
endfunction
function! s:getchar_safe(...) abort
let c = s:input_helper('getchar', a:000)
return type(c) == type("") ? c : nr2char(c)
endfunction
function! s:input_safe(...) abort
return s:input_helper('input', a:000)
endfunction
function! s:input_helper(funcname, args) abort
let success = 0
if inputsave() !=# success
throw 'vital: Prelude: inputsave() failed'
endif
try
return call(a:funcname, a:args)
finally
if inputrestore() !=# success
throw 'vital: Prelude: inputrestore() failed'
endif
endtry
endfunction
function! s:set_default(var, val) abort
if !exists(a:var) || type({a:var}) != type(a:val)
let {a:var} = a:val
endif
endfunction
function! s:substitute_path_separator(path) abort
return s:is_windows ? substitute(a:path, '\\', '/', 'g') : a:path
endfunction
function! s:path2directory(path) abort
return s:substitute_path_separator(isdirectory(a:path) ? a:path : fnamemodify(a:path, ':p:h'))
endfunction
function! s:_path2project_directory_git(path) abort
let parent = a:path
while 1
let path = parent . '/.git'
if isdirectory(path) || filereadable(path)
return parent
endif
let next = fnamemodify(parent, ':h')
if next == parent
return ''
endif
let parent = next
endwhile
endfunction
function! s:_path2project_directory_svn(path) abort
let search_directory = a:path
let directory = ''
let find_directory = s:escape_file_searching(search_directory)
let d = finddir('.svn', find_directory . ';')
if d == ''
return ''
endif
let directory = fnamemodify(d, ':p:h:h')
" Search parent directories.
let parent_directory = s:path2directory(
\ fnamemodify(directory, ':h'))
if parent_directory != ''
let d = finddir('.svn', parent_directory . ';')
if d != ''
let directory = s:_path2project_directory_svn(parent_directory)
endif
endif
return directory
endfunction
function! s:_path2project_directory_others(vcs, path) abort
let vcs = a:vcs
let search_directory = a:path
let find_directory = s:escape_file_searching(search_directory)
let d = finddir(vcs, find_directory . ';')
if d == ''
return ''
endif
return fnamemodify(d, ':p:h:h')
endfunction
function! s:path2project_directory(path, ...) abort
let is_allow_empty = get(a:000, 0, 0)
let search_directory = s:path2directory(a:path)
let directory = ''
" Search VCS directory.
for vcs in ['.git', '.bzr', '.hg', '.svn']
if vcs ==# '.git'
let directory = s:_path2project_directory_git(search_directory)
elseif vcs ==# '.svn'
let directory = s:_path2project_directory_svn(search_directory)
else
let directory = s:_path2project_directory_others(vcs, search_directory)
endif
if directory != ''
break
endif
endfor
" Search project file.
if directory == ''
for d in ['build.xml', 'prj.el', '.project', 'pom.xml', 'package.json',
\ 'Makefile', 'configure', 'Rakefile', 'NAnt.build',
\ 'P4CONFIG', 'tags', 'gtags']
let d = findfile(d, s:escape_file_searching(search_directory) . ';')
if d != ''
let directory = fnamemodify(d, ':p:h')
break
endif
endfor
endif
if directory == ''
" Search /src/ directory.
let base = s:substitute_path_separator(search_directory)
if base =~# '/src/'
let directory = base[: strridx(base, '/src/') + 3]
endif
endif
if directory == '' && !is_allow_empty
" Use original path.
let directory = search_directory
endif
return s:substitute_path_separator(directory)
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:
endif

View File

@ -0,0 +1,185 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" TODO: move all comments to doc file.
"
"
" FIXME: This module name should be Vital.System ?
" But the name has been already taken.
let s:save_cpo = &cpo
set cpo&vim
" FIXME: Unfortunately, can't use s:_vital_loaded() for this purpose.
" Because these variables are used when this script file is loaded.
let s:is_windows = has('win16') || has('win32') || has('win64') || has('win95')
let s:is_unix = has('unix')
" As of 7.4.122, the system()'s 1st argument is converted internally by Vim.
" Note that Patch 7.4.122 does not convert system()'s 2nd argument and
" return-value. We must convert them manually.
let s:need_trans = v:version < 704 || (v:version == 704 && !has('patch122'))
let s:TYPE_DICT = type({})
let s:TYPE_LIST = type([])
let s:TYPE_STRING = type("")
" Execute program in the background from Vim.
" Return an empty string always.
"
" If a:expr is a List, shellescape() each argument.
" If a:expr is a String, the arguments are passed as-is.
"
" Windows:
" Using :!start , execute program without via cmd.exe.
" Spawning 'expr' with 'noshellslash'
" keep special characters from unwanted expansion.
" (see :help shellescape())
"
" Unix:
" using :! , execute program in the background by shell.
function! s:spawn(expr, ...) abort
let shellslash = 0
if s:is_windows
let shellslash = &l:shellslash
setlocal noshellslash
endif
try
if type(a:expr) is s:TYPE_LIST
let special = 1
let cmdline = join(map(a:expr, 'shellescape(v:val, special)'), ' ')
elseif type(a:expr) is s:TYPE_STRING
let cmdline = a:expr
if a:0 && a:1
" for :! command
let cmdline = substitute(cmdline, '\([!%#]\|<[^<>]\+>\)', '\\\1', 'g')
endif
else
throw 'Process.spawn(): invalid argument (value type:'.type(a:expr).')'
endif
if s:is_windows
silent execute '!start' cmdline
else
silent execute '!' cmdline '&'
endif
finally
if s:is_windows
let &l:shellslash = shellslash
endif
endtry
return ''
endfunction
" iconv() wrapper for safety.
function! s:iconv(expr, from, to) abort
if a:from == '' || a:to == '' || a:from ==? a:to
return a:expr
endif
let result = iconv(a:expr, a:from, a:to)
return result != '' ? result : a:expr
endfunction
" Check vimproc.
function! s:has_vimproc() abort
if !exists('s:exists_vimproc')
try
call vimproc#version()
let s:exists_vimproc = 1
catch
let s:exists_vimproc = 0
endtry
endif
return s:exists_vimproc
endfunction
" * {command} [, {input} [, {timeout}]]
" * {command} [, {dict}]
" {dict} = {
" use_vimproc: bool,
" input: string,
" timeout: bool,
" background: bool,
" }
function! s:system(str, ...) abort
" Process optional arguments at first
" because use_vimproc is required later
" for a:str argument.
let input = ''
let use_vimproc = s:has_vimproc()
let background = 0
let args = []
if a:0 ==# 1
" {command} [, {dict}]
" a:1 = {dict}
if type(a:1) is s:TYPE_DICT
if has_key(a:1, 'use_vimproc')
let use_vimproc = a:1.use_vimproc
endif
if has_key(a:1, 'input')
let args += [s:iconv(a:1.input, &encoding, 'char')]
endif
if use_vimproc && has_key(a:1, 'timeout')
" ignores timeout unless you have vimproc.
let args += [a:1.timeout]
endif
if has_key(a:1, 'background')
let background = a:1.background
endif
elseif type(a:1) is s:TYPE_STRING
let args += [s:iconv(a:1, &encoding, 'char')]
else
throw 'Process.system(): invalid argument (value type:'.type(a:1).')'
endif
elseif a:0 >= 2
" {command} [, {input} [, {timeout}]]
" a:000 = [{input} [, {timeout}]]
let [input; rest] = a:000
let input = s:iconv(input, &encoding, 'char')
let args += [input] + rest
endif
" Process a:str argument.
if type(a:str) is s:TYPE_LIST
let expr = use_vimproc ? '"''" . v:val . "''"' : 's:shellescape(v:val)'
let command = join(map(copy(a:str), expr), ' ')
elseif type(a:str) is s:TYPE_STRING
let command = a:str
else
throw 'Process.system(): invalid argument (value type:'.type(a:str).')'
endif
if s:need_trans
let command = s:iconv(command, &encoding, 'char')
endif
let args = [command] + args
if background && (use_vimproc || !s:is_windows)
let args[0] = args[0] . ' &'
endif
let funcname = use_vimproc ? 'vimproc#system' : 'system'
let output = call(funcname, args)
let output = s:iconv(output, 'char', &encoding)
return output
endfunction
function! s:get_last_status() abort
return s:has_vimproc() ?
\ vimproc#get_last_status() : v:shell_error
endfunction
if s:is_windows
function! s:shellescape(command) abort
return substitute(a:command, '[&()[\]{}^=;!''+,`~]', '^\0', 'g')
endfunction
else
function! s:shellescape(...) abort
return call('shellescape', a:000)
endfunction
endif
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:
endif

View File

@ -0,0 +1,112 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
let s:save_cpo = &cpo
set cpo&vim
function! s:_true() abort
return 1
endfunction
function! s:_false() abort
return 0
endfunction
function! s:_null() abort
return 0
endfunction
let s:const = {}
let s:const.true = function('s:_true')
let s:const.false = function('s:_false')
let s:const.null = function('s:_null')
function! s:_resolve(val, prefix) abort
let t = type(a:val)
if t == type('')
let m = matchlist(a:val, '^' . a:prefix . '\(null\|true\|false\)$')
if !empty(m)
return s:const[m[1]]
endif
elseif t == type([]) || t == type({})
return map(a:val, 's:_resolve(v:val, a:prefix)')
endif
return a:val
endfunction
function! s:_vital_created(module) abort
" define constant variables
call extend(a:module, s:const)
endfunction
function! s:_vital_loaded(V) abort
let s:V = a:V
let s:string = s:V.import('Data.String')
endfunction
function! s:_vital_depends() abort
return ['Data.String']
endfunction
" @vimlint(EVL102, 1, l:null)
" @vimlint(EVL102, 1, l:true)
" @vimlint(EVL102, 1, l:false)
function! s:decode(json, ...) abort
let settings = extend({
\ 'use_token': 0,
\}, get(a:000, 0, {}))
let json = iconv(a:json, "utf-8", &encoding)
let json = join(split(json, "\n"), '')
let json = substitute(json, '\\u34;', '\\"', 'g')
let json = substitute(json, '\\u\(\x\x\x\x\)', '\=s:string.nr2enc_char("0x".submatch(1))', 'g')
if settings.use_token
let prefix = '__Web.JSON__'
while stridx(json, prefix) != -1
let prefix .= '_'
endwhile
let [null,true,false] = map(['null','true','false'], 'prefix . v:val')
sandbox return s:_resolve(eval(json), prefix)
else
let [null,true,false] = [s:const.null(),s:const.true(),s:const.false()]
sandbox return eval(json)
endif
endfunction
" @vimlint(EVL102, 0, l:null)
" @vimlint(EVL102, 0, l:true)
" @vimlint(EVL102, 0, l:false)
function! s:encode(val) abort
if type(a:val) == 0
return a:val
elseif type(a:val) == 1
let json = '"' . escape(a:val, '\"') . '"'
let json = substitute(json, "\r", '\\r', 'g')
let json = substitute(json, "\n", '\\n', 'g')
let json = substitute(json, "\t", '\\t', 'g')
return iconv(json, &encoding, "utf-8")
elseif type(a:val) == 2
if s:const.true == a:val
return 'true'
elseif s:const.false == a:val
return 'false'
elseif s:const.null == a:val
return 'null'
else
" backward compatibility
return string(a:val)
endif
elseif type(a:val) == 3
return '[' . join(map(copy(a:val), 's:encode(v:val)'), ',') . ']'
elseif type(a:val) == 4
return '{' . join(map(keys(a:val), 's:encode(v:val).":".s:encode(a:val[v:val])'), ',') . '}'
else
return string(a:val)
endif
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo
" vim:set et ts=2 sts=2 sw=2 tw=0:
endif

1
build
View File

@ -105,6 +105,7 @@ PACKS="
clojure:guns/vim-clojure-static
coffee-script:kchmck/vim-coffee-script
cryptol:victoredwardocallaghan/cryptol.vim
crystal:rhysd/vim-crystal
cql:elubow/cql-vim
css:JulesWang/css.vim
cucumber:tpope/vim-cucumber

View File

@ -60,6 +60,12 @@ au! BufRead,BufNewFile *.cyl set filetype=cryptol
au! BufRead,BufNewFile *.lcry set filetype=cryptol
au! BufRead,BufNewFile *.lcyl set filetype=cryptol
endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
autocmd BufNewFile,BufReadPost *.cr setlocal filetype=crystal
autocmd BufNewFile,BufReadPost Projectfile setlocal filetype=crystal
autocmd BufNewFile,BufReadPost *.ecr setlocal filetype=eruby
endif
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'cucumber') == -1
autocmd BufNewFile,BufReadPost *.feature,*.story set filetype=cucumber

60
ftplugin/crystal.vim Normal file
View File

@ -0,0 +1,60 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
if exists('b:did_ftplugin')
finish
endif
let b:did_ftplugin = 1
let s:save_cpo = &cpo
set cpo&vim
if exists('loaded_matchit') && !exists('b:match_words')
let b:match_ignorecase = 0
let b:match_words =
\ '\<\%(if\|unless\|case\|while\|until\|for\|do\|class\|module\|struct\|lib\|macro\|ifdef\|def\|fun\|begin\)\>=\@!' .
\ ':' .
\ '\<\%(else\|elsif\|ensure\|when\|rescue\|break\|redo\|next\|retry\)\>' .
\ ':' .
\ '\<end\>' .
\ ',{:},\[:\],(:)'
let b:match_skip =
\ "synIDattr(synID(line('.'),col('.'),0),'name') =~ '" .
\ "\\<crystal\\%(String\\|StringDelimiter\\|ASCIICode\\|Escape\\|" .
\ "Interpolation\\|NoInterpolation\\|Comment\\|Documentation\\|" .
\ "ConditionalModifier\\|RepeatModifier\\|OptionalDo\\|" .
\ "Function\\|BlockArgument\\|KeywordAsMethod\\|ClassVariable\\|" .
\ "InstanceVariable\\|GlobalVariable\\|Symbol\\)\\>'"
endif
setlocal comments=:#
setlocal commentstring=#\ %s
setlocal suffixesadd=.cr
" Set format for quickfix window
setlocal errorformat=
\%ESyntax\ error\ in\ line\ %l:\ %m,
\%ESyntax\ error\ in\ %f:%l:\ %m,
\%EError\ in\ %f:%l:\ %m,
\%C%p^,
\%-C%.%#
if get(g:, 'crystal_define_mappings', 1)
nmap <buffer>gd <Plug>(crystal-jump-to-definition)
nmap <buffer>gc <Plug>(crystal-show-context)
nmap <buffer>gss <Plug>(crystal-spec-switch)
nmap <buffer>gsa <Plug>(crystal-spec-run-all)
nmap <buffer>gsc <Plug>(crystal-spec-run-current)
endif
if &l:ofu ==# ''
setlocal omnifunc=crystal_lang#complete
endif
let &cpo = s:save_cpo
unlet s:save_cpo
" vim: nowrap sw=2 sts=2 ts=8:
endif

639
indent/crystal.vim Normal file
View File

@ -0,0 +1,639 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" Only load this indent file when no other was loaded.
if exists('b:did_indent')
finish
endif
let b:did_indent = 1
if !exists('g:crystal_indent_access_modifier_style')
" Possible values: "normal", "indent", "outdent"
let g:crystal_indent_access_modifier_style = 'normal'
endif
setlocal nosmartindent
" Now, set up our indentation expression and keys that trigger it.
setlocal indentexpr=GetCrystalIndent(v:lnum)
setlocal indentkeys=0{,0},0),0],!^F,o,O,e,:,.
setlocal indentkeys+==end,=else,=elsif,=when,=ensure,=rescue,==begin,==end
setlocal indentkeys+==private,=protected,=public
" Only define the function once.
if exists('*GetCrystalIndent')
finish
endif
let s:cpo_save = &cpo
set cpo&vim
" 1. Variables {{{1
" ============
" Regex of syntax group names that are or delimit strings/symbols or are comments.
let s:syng_strcom = '\<crystal\%(Regexp\|RegexpDelimiter\|RegexpEscape' .
\ '\|Symbol\|String\|StringDelimiter\|StringEscape\|ASCIICode' .
\ '\|Interpolation\|InterpolationDelimiter\|NoInterpolation\|Comment\|Documentation\)\>'
" Regex of syntax group names that are strings.
let s:syng_string =
\ '\<crystal\%(String\|Interpolation\|NoInterpolation\|StringEscape\)\>'
" Regex of syntax group names that are strings or documentation.
let s:syng_stringdoc =
\'\<crystal\%(String\|Interpolation\|NoInterpolation\|StringEscape\|Documentation\)\>'
" Expression used to check whether we should skip a match with searchpair().
let s:skip_expr =
\ "synIDattr(synID(line('.'),col('.'),1),'name') =~ '".s:syng_strcom."'"
" Regex used for words that, at the start of a line, add a level of indent.
let s:crystal_indent_keywords =
\ '^\s*\zs\<\%(module\|\%(abstract\)\=\s*\%(class\|struct\)\|enum\|if\|for\|macro' .
\ '\|while\|until\|else\|elsif\|case\|when\|unless\|begin\|ensure\|rescue\|lib' .
\ '\|\%(protected\|private\)\=\s*def\):\@!\>' .
\ '\|\%([=,*/%+-]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(if\|for\|while\|until\|case\|unless\|begin\):\@!\>' .
\ '\|{%\s*\<\%(if\|for\|while\|until\|lib\|case\|unless\|begin\|else\|elsif\|when\)'
" Regex used for words that, at the start of a line, remove a level of indent.
let s:crystal_deindent_keywords =
\ '^\s*\zs\<\%(ensure\|else\|rescue\|elsif\|when\|end\):\@!\>' .
\ '\|{%\s*\<\%(ensure\|else\|rescue\|elsif\|when\|end\)\>'
" Regex that defines the start-match for the 'end' keyword.
" TODO: the do here should be restricted somewhat (only at end of line)?
let s:end_start_regex =
\ '{%\s*\<\%(if\|for\|while\|until\|unless\|begin\|lib\)\>\|' .
\ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(module\|\%(abstract\)\=\s*\%(class\|struct\)\|enum\|macro\|if\|for\|while\|until\|case\|unless\|begin\|lib' .
\ '\|\%(protected\|private\)\=\s*def\):\@!\>' .
\ '\|\%(^\|[^.:@$]\)\@<=\<do:\@!\>'
" Regex that defines the middle-match for the 'end' keyword.
let s:end_middle_regex =
\ '{%\s*\<\%(ensure\|else\|when\|elsif\)\>\s*%}\|' .
\ '\<\%(ensure\|else\|\%(\%(^\|;\)\s*\)\@<=\<rescue:\@!\>\|when\|elsif\):\@!\>'
" Regex that defines the end-match for the 'end' keyword.
let s:end_end_regex = '\%(^\|[^.:@$]\)\@<=\<end:\@!\>\|{%\s*\<\%(end\)\>'
" Expression used for searchpair() call for finding match for 'end' keyword.
let s:end_skip_expr = s:skip_expr .
\ ' || (expand("<cword>") == "do"' .
\ ' && getline(".") =~ "^\\s*\\<\\(while\\|until\\|for\\):\\@!\\>")'
" Regex that defines continuation lines, not including (, {, or [.
let s:non_bracket_continuation_regex = '\%([\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$'
" Regex that defines continuation lines.
let s:continuation_regex =
\ '\%(%\@<![({[\\.,:*/%+]\|\<and\|\<or\|\%(<%\)\@<![=-]\|\W[|&?]\|||\|&&\)\s*\%(#.*\)\=$'
" Regex that defines continuable keywords
let s:continuable_regex =
\ '\C\%(^\s*\|[=,*/%+\-|;{]\|<<\|>>\|:\s\)\s*\zs' .
\ '\<\%(if\|for\|while\|until\|unless\):\@!\>'
" Regex that defines bracket continuations
let s:bracket_continuation_regex = '%\@<!\%([({[]\)\s*\%(#.*\)\=$'
" Regex that defines end of bracket continuation followed by another continuation
let s:bracket_switch_continuation_regex = '^\([^(]\+\zs).\+\)\+'.s:continuation_regex
" Regex that defines the first part of a splat pattern
let s:splat_regex = '[[,(]\s*\*\s*\%(#.*\)\=$'
" Regex that defines blocks.
"
" Note that there's a slight problem with this regex and s:continuation_regex.
" Code like this will be matched by both:
"
" method_call do |(a, b)|
"
" The reason is that the pipe matches a hanging "|" operator.
"
let s:block_regex =
\ '\%(\<do:\@!\>\|%\@<!{\)\s*\%(|\s*(*\s*\%([*@&]\=\h\w*,\=\s*\)\%(,\s*(*\s*[*@&]\=\h\w*\s*)*\s*\)*|\)\=\s*\%(#.*\)\=$'
let s:block_continuation_regex = '^\s*[^])}\t ].*'.s:block_regex
" Regex that describes a leading operator (only a method call's dot for now)
let s:leading_operator_regex = '^\s*[.]'
" Regex that describes all indent access modifiers
let s:access_modifier_regex = '\C^\s*\%(public\|protected\|private\)\s*\%(#.*\)\=$'
" 2. Auxiliary Functions {{{1
" ======================
" Check if the character at lnum:col is inside a string, comment, or is ascii.
function s:IsInStringOrComment(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_strcom
endfunction
" Check if the character at lnum:col is inside a string.
function s:IsInString(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_string
endfunction
" Check if the character at lnum:col is inside a string or documentation.
function s:IsInStringOrDocumentation(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') =~ s:syng_stringdoc
endfunction
" Check if the character at lnum:col is inside a string delimiter
function s:IsInStringDelimiter(lnum, col)
return synIDattr(synID(a:lnum, a:col, 1), 'name') ==# 'crystalStringDelimiter'
endfunction
" Find line above 'lnum' that isn't empty, in a comment, or in a string.
function s:PrevNonBlankNonString(lnum)
let in_block = 0
let lnum = prevnonblank(a:lnum)
while lnum > 0
" Go in and out of blocks comments as necessary.
" If the line isn't empty (with opt. comment) or in a string, end search.
let line = getline(lnum)
if line =~# '^=begin'
if in_block
let in_block = 0
else
break
endif
elseif !in_block && line =~# '^=end'
let in_block = 1
elseif !in_block && line !~# '^\s*#.*$' && !(s:IsInStringOrComment(lnum, 1)
\ && s:IsInStringOrComment(lnum, strlen(line)))
break
endif
let lnum = prevnonblank(lnum - 1)
endwhile
return lnum
endfunction
" Find line above 'lnum' that started the continuation 'lnum' may be part of.
function s:GetMSL(lnum)
" Start on the line we're at and use its indent.
let msl = a:lnum
let msl_body = getline(msl)
let lnum = s:PrevNonBlankNonString(a:lnum - 1)
while lnum > 0
" If we have a continuation line, or we're in a string, use line as MSL.
" Otherwise, terminate search as we have found our MSL already.
let line = getline(lnum)
if s:Match(msl, s:leading_operator_regex)
" If the current line starts with a leading operator, keep its indent
" and keep looking for an MSL.
let msl = lnum
elseif s:Match(lnum, s:splat_regex)
" If the above line looks like the "*" of a splat, use the current one's
" indentation.
"
" Example:
" Hash[*
" method_call do
" something
"
return msl
elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
\ s:Match(msl, s:non_bracket_continuation_regex)
" If the current line is a non-bracket continuation and so is the
" previous one, keep its indent and continue looking for an MSL.
"
" Example:
" method_call one,
" two,
" three
"
let msl = lnum
elseif s:Match(lnum, s:non_bracket_continuation_regex) &&
\ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
" If the current line is a bracket continuation or a block-starter, but
" the previous is a non-bracket one, respect the previous' indentation,
" and stop here.
"
" Example:
" method_call one,
" two {
" three
"
return lnum
elseif s:Match(lnum, s:bracket_continuation_regex) &&
\ (s:Match(msl, s:bracket_continuation_regex) || s:Match(msl, s:block_continuation_regex))
" If both lines are bracket continuations (the current may also be a
" block-starter), use the current one's and stop here
"
" Example:
" method_call(
" other_method_call(
" foo
return msl
elseif s:Match(lnum, s:block_regex) &&
\ !s:Match(msl, s:continuation_regex) &&
\ !s:Match(msl, s:block_continuation_regex)
" If the previous line is a block-starter and the current one is
" mostly ordinary, use the current one as the MSL.
"
" Example:
" method_call do
" something
" something_else
return msl
else
let col = match(line, s:continuation_regex) + 1
if (col > 0 && !s:IsInStringOrComment(lnum, col))
\ || s:IsInString(lnum, strlen(line))
let msl = lnum
else
break
endif
endif
let msl_body = getline(msl)
let lnum = s:PrevNonBlankNonString(lnum - 1)
endwhile
return msl
endfunction
" Check if line 'lnum' has more opening brackets than closing ones.
function s:ExtraBrackets(lnum)
let opening = {'parentheses': [], 'braces': [], 'brackets': []}
let closing = {'parentheses': [], 'braces': [], 'brackets': []}
let line = getline(a:lnum)
let pos = match(line, '[][(){}]', 0)
" Save any encountered opening brackets, and remove them once a matching
" closing one has been found. If a closing bracket shows up that doesn't
" close anything, save it for later.
while pos != -1
if !s:IsInStringOrComment(a:lnum, pos + 1)
if line[pos] ==# '('
call add(opening.parentheses, {'type': '(', 'pos': pos})
elseif line[pos] ==# ')'
if empty(opening.parentheses)
call add(closing.parentheses, {'type': ')', 'pos': pos})
else
let opening.parentheses = opening.parentheses[0:-2]
endif
elseif line[pos] ==# '{'
call add(opening.braces, {'type': '{', 'pos': pos})
elseif line[pos] ==# '}'
if empty(opening.braces)
call add(closing.braces, {'type': '}', 'pos': pos})
else
let opening.braces = opening.braces[0:-2]
endif
elseif line[pos] ==# '['
call add(opening.brackets, {'type': '[', 'pos': pos})
elseif line[pos] ==# ']'
if empty(opening.brackets)
call add(closing.brackets, {'type': ']', 'pos': pos})
else
let opening.brackets = opening.brackets[0:-2]
endif
endif
endif
let pos = match(line, '[][(){}]', pos + 1)
endwhile
" Find the rightmost brackets, since they're the ones that are important in
" both opening and closing cases
let rightmost_opening = {'type': '(', 'pos': -1}
let rightmost_closing = {'type': ')', 'pos': -1}
for opening in opening.parentheses + opening.braces + opening.brackets
if opening.pos > rightmost_opening.pos
let rightmost_opening = opening
endif
endfor
for closing in closing.parentheses + closing.braces + closing.brackets
if closing.pos > rightmost_closing.pos
let rightmost_closing = closing
endif
endfor
return [rightmost_opening, rightmost_closing]
endfunction
function s:Match(lnum, regex)
let line = getline(a:lnum)
let offset = match(line, '\C'.a:regex)
let col = offset + 1
while offset > -1 && s:IsInStringOrComment(a:lnum, col)
let offset = match(line, '\C'.a:regex, offset + 1)
let col = offset + 1
endwhile
if offset > -1
return col
else
return 0
endif
endfunction
" Locates the containing class/module's definition line, ignoring nested classes
" along the way.
"
function! s:FindContainingClass()
let saved_position = getpos('.')
while searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
if expand('<cword>') =~# '\<class\|module\>'
let found_lnum = line('.')
call setpos('.', saved_position)
return found_lnum
endif
endwhile
call setpos('.', saved_position)
return 0
endfunction
" 3. GetCrystalIndent Function {{{1
" =========================
function GetCrystalIndent(...)
" 3.1. Setup {{{2
" ----------
" The value of a single shift-width
if exists('*shiftwidth')
let sw = shiftwidth()
else
let sw = &sw
endif
" For the current line, use the first argument if given, else v:lnum
let clnum = a:0 ? a:1 : v:lnum
" Set up variables for restoring position in file. Could use clnum here.
let vcol = col('.')
" 3.2. Work on the current line {{{2
" -----------------------------
" Get the current line.
let line = getline(clnum)
let ind = -1
" If this line is an access modifier keyword, align according to the closest
" class declaration.
if g:crystal_indent_access_modifier_style ==? 'indent'
if s:Match(clnum, s:access_modifier_regex)
let class_line = s:FindContainingClass()
if class_line > 0
return indent(class_line) + sw
endif
endif
elseif g:crystal_indent_access_modifier_style ==? 'outdent'
if s:Match(clnum, s:access_modifier_regex)
let class_line = s:FindContainingClass()
if class_line > 0
return indent(class_line)
endif
endif
endif
" If we got a closing bracket on an empty line, find its match and indent
" according to it. For parentheses we indent to its column - 1, for the
" others we indent to the containing line's MSL's level. Return -1 if fail.
let col = matchend(line, '^\s*[]})]')
if col > 0 && !s:IsInStringOrComment(clnum, col)
call cursor(clnum, col)
let bs = strpart('(){}[]', stridx(')}]', line[col - 1]) * 2, 2)
if searchpair(escape(bs[0], '\['), '', bs[1], 'bW', s:skip_expr) > 0
if line[col-1] ==# ')' && col('.') != col('$') - 1
let ind = virtcol('.') - 1
else
let ind = indent(s:GetMSL(line('.')))
endif
endif
return ind
endif
" If we have a =begin or =end set indent to first column.
if match(line, '^\s*\%(=begin\|=end\)$') != -1
return 0
endif
" If we have a deindenting keyword, find its match and indent to its level.
" TODO: this is messy
if s:Match(clnum, s:crystal_deindent_keywords)
call cursor(clnum, 1)
if searchpair(s:end_start_regex, s:end_middle_regex, s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
let msl = s:GetMSL(line('.'))
let line = getline(line('.'))
if strpart(line, 0, col('.') - 1) =~# '=\s*$' &&
\ strpart(line, col('.') - 1, 2) !~# 'do'
" assignment to case/begin/etc, on the same line, hanging indent
let ind = virtcol('.') - 1
elseif getline(msl) =~# '=\s*\(#.*\)\=$'
" in the case of assignment to the msl, align to the starting line,
" not to the msl
let ind = indent(line('.'))
else
" align to the msl
let ind = indent(msl)
endif
endif
return ind
endif
" If we are in a multi-line string or line-comment, don't do anything to it.
if s:IsInStringOrDocumentation(clnum, matchend(line, '^\s*') + 1)
return indent('.')
endif
" If we are at the closing delimiter of a "<<" heredoc-style string, set the
" indent to 0.
if line =~# '^\k\+\s*$'
\ && s:IsInStringDelimiter(clnum, 1)
\ && search('\V<<'.line, 'nbW') > 0
return 0
endif
" If the current line starts with a leading operator, add a level of indent.
if s:Match(clnum, s:leading_operator_regex)
return indent(s:GetMSL(clnum)) + sw
endif
" 3.3. Work on the previous line. {{{2
" -------------------------------
" Find a non-blank, non-multi-line string line above the current line.
let lnum = s:PrevNonBlankNonString(clnum - 1)
" If the line is empty and inside a string, use the previous line.
if line =~# '^\s*$' && lnum != prevnonblank(clnum - 1)
return indent(prevnonblank(clnum))
endif
" At the start of the file use zero indent.
if lnum == 0
return 0
endif
" Set up variables for the previous line.
let line = getline(lnum)
let ind = indent(lnum)
if s:Match(lnum, s:continuable_regex) && s:Match(lnum, s:continuation_regex)
return indent(s:GetMSL(lnum)) + sw + sw
endif
" If the previous line ended with a block opening, add a level of indent.
if s:Match(lnum, s:block_regex)
let msl = s:GetMSL(lnum)
if getline(msl) =~# '=\s*\(#.*\)\=$'
" in the case of assignment to the msl, align to the starting line,
" not to the msl
let ind = indent(lnum) + sw
else
let ind = indent(msl) + sw
endif
return ind
endif
" If the previous line started with a leading operator, use its MSL's level
" of indent
if s:Match(lnum, s:leading_operator_regex)
return indent(s:GetMSL(lnum))
endif
" If the previous line ended with the "*" of a splat, add a level of indent
if line =~ s:splat_regex
return indent(lnum) + sw
endif
" If the previous line contained unclosed opening brackets and we are still
" in them, find the rightmost one and add indent depending on the bracket
" type.
"
" If it contained hanging closing brackets, find the rightmost one, find its
" match and indent according to that.
if line =~# '[[({]' || line =~# '[])}]\s*\%(#.*\)\=$'
let [opening, closing] = s:ExtraBrackets(lnum)
if opening.pos != -1
if opening.type ==# '(' && searchpair('(', '', ')', 'bW', s:skip_expr) > 0
if col('.') + 1 == col('$')
return ind + sw
else
return virtcol('.')
endif
else
let nonspace = matchend(line, '\S', opening.pos + 1) - 1
return nonspace > 0 ? nonspace : ind + sw
endif
elseif closing.pos != -1
call cursor(lnum, closing.pos + 1)
normal! %
if s:Match(line('.'), s:crystal_indent_keywords)
return indent('.') + sw
else
return indent('.')
endif
else
call cursor(clnum, vcol)
end
endif
" If the previous line ended with an "end", match that "end"s beginning's
" indent.
let col = s:Match(lnum, '\%(^\|[^.:@$]\)\<end\>\s*\%(#.*\)\=$')
if col > 0
call cursor(lnum, col)
if searchpair(s:end_start_regex, '', s:end_end_regex, 'bW',
\ s:end_skip_expr) > 0
let n = line('.')
let ind = indent('.')
let msl = s:GetMSL(n)
if msl != n
let ind = indent(msl)
end
return ind
endif
end
let col = s:Match(lnum, s:crystal_indent_keywords)
if col > 0
call cursor(lnum, col)
let ind = virtcol('.') - 1 + sw
" TODO: make this better (we need to count them) (or, if a searchpair
" fails, we know that something is lacking an end and thus we indent a
" level
if s:Match(lnum, s:end_end_regex)
let ind = indent('.')
endif
return ind
endif
" 3.4. Work on the MSL line. {{{2
" --------------------------
" Set up variables to use and search for MSL to the previous line.
let p_lnum = lnum
let lnum = s:GetMSL(lnum)
" If the previous line wasn't a MSL.
if p_lnum != lnum
" If previous line ends bracket and begins non-bracket continuation decrease indent by 1.
if s:Match(p_lnum, s:bracket_switch_continuation_regex)
return ind - 1
" If previous line is a continuation return its indent.
" TODO: the || s:IsInString() thing worries me a bit.
elseif s:Match(p_lnum, s:non_bracket_continuation_regex) || s:IsInString(p_lnum,strlen(line))
return ind
endif
endif
" Set up more variables, now that we know we wasn't continuation bound.
let line = getline(lnum)
let msl_ind = indent(lnum)
" If the MSL line had an indenting keyword in it, add a level of indent.
" TODO: this does not take into account contrived things such as
" module Foo; class Bar; end
if s:Match(lnum, s:crystal_indent_keywords)
let ind = msl_ind + sw
if s:Match(lnum, s:end_end_regex)
let ind = ind - sw
endif
return ind
endif
" If the previous line ended with [*+/.,-=], but wasn't a block ending or a
" closing bracket, indent one extra level.
if s:Match(lnum, s:non_bracket_continuation_regex) && !s:Match(lnum, '^\s*\([\])}]\|end\)')
if lnum == p_lnum
let ind = msl_ind + sw
else
let ind = msl_ind
endif
return ind
endif
" }}}2
return ind
endfunction
" }}}1
let &cpo = s:cpo_save
unlet s:cpo_save
" vim:set sw=2 sts=2 ts=8 et:
endif

393
syntax/crystal.vim Normal file
View File

@ -0,0 +1,393 @@
if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'crystal') == -1
" Language: Crystal
" Based on Ruby syntax highlight
" which is made by Mirko Nasato and Doug Kearns
" ---------------------------------------------
if exists('b:current_syntax')
finish
endif
syn cluster crystalNotTop contains=@crystalExtendedStringSpecial,@crystalRegexpSpecial,@crystalDeclaration,crystalConditional,crystalExceptional,crystalMethodExceptional,crystalTodo,crystalLinkAttr
if exists('crystal_space_errors')
if !exists('crystal_no_trail_space_error')
syn match crystalSpaceError display excludenl "\s\+$"
endif
if !exists('crystal_no_tab_space_error')
syn match crystalSpaceError display " \+\t"me=e-1
endif
endif
" Operators
if exists('crystal_operators')
syn match crystalOperator "[~!^&|*/%+-]\|\%(class\s*\)\@<!<<\|<=>\|<=\|\%(<\|\<class\s\+\u\w*\s*\)\@<!<[^<]\@=\|===\|==\|=\~\|>>\|>=\|=\@<!>\|\*\*\|\.\.\.\|\.\.\|::"
syn match crystalOperator "->\|-=\|/=\|\*\*=\|\*=\|&&=\|&=\|&&\|||=\||=\|||\|%=\|+=\|!\~\|!="
syn region crystalBracketOperator matchgroup=crystalOperator start="\%(\w[?!]\=\|[]})]\)\@<=\[\s*" end="\s*]" contains=ALLBUT,@crystalNotTop
endif
" Expression Substitution and Backslash Notation
syn match crystalStringEscape "\\\\\|\\[abefnrstv]\|\\\o\{1,3}\|\\x\x\{1,2}" contained display
syn match crystalStringEscape "\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)" contained display
syn region crystalInterpolation matchgroup=crystalInterpolationDelimiter start="#{" end="}" contained contains=ALLBUT,@crystalNotTop
syn match crystalInterpolation "#\%(\$\|@@\=\)\w\+" display contained contains=crystalInterpolationDelimiter,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable,crystalPredefinedVariable
syn match crystalInterpolationDelimiter "#\ze\%(\$\|@@\=\)\w\+" display contained
syn match crystalInterpolation "#\$\%(-\w\|\W\)" display contained contains=crystalInterpolationDelimiter,crystalPredefinedVariable,crystalInvalidVariable
syn match crystalInterpolationDelimiter "#\ze\$\%(-\w\|\W\)" display contained
syn region crystalNoInterpolation start="\\#{" end="}" contained
syn match crystalNoInterpolation "\\#{" display contained
syn match crystalNoInterpolation "\\#\%(\$\|@@\=\)\w\+" display contained
syn match crystalNoInterpolation "\\#\$\W" display contained
syn match crystalDelimEscape "\\[(<{\[)>}\]]" transparent display contained contains=NONE
syn region crystalNestedParentheses start="(" skip="\\\\\|\\)" matchgroup=crystalString end=")" transparent contained
syn region crystalNestedCurlyBraces start="{" skip="\\\\\|\\}" matchgroup=crystalString end="}" transparent contained
syn region crystalNestedAngleBrackets start="<" skip="\\\\\|\\>" matchgroup=crystalString end=">" transparent contained
syn region crystalNestedSquareBrackets start="\[" skip="\\\\\|\\\]" matchgroup=crystalString end="\]" transparent contained
" These are mostly Oniguruma ready
syn region crystalRegexpComment matchgroup=crystalRegexpSpecial start="(?#" skip="\\)" end=")" contained
syn region crystalRegexpParens matchgroup=crystalRegexpSpecial start="(\(?:\|?<\=[=!]\|?>\|?<[a-z_]\w*>\|?[imx]*-[imx]*:\=\|\%(?#\)\@!\)" skip="\\)" end=")" contained transparent contains=@crystalRegexpSpecial
syn region crystalRegexpBrackets matchgroup=crystalRegexpCharClass start="\[\^\=" skip="\\\]" end="\]" contained transparent contains=crystalStringEscape,crystalRegexpEscape,crystalRegexpCharClass oneline
syn match crystalRegexpCharClass "\\[DdHhSsWw]" contained display
syn match crystalRegexpCharClass "\[:\^\=\%(alnum\|alpha\|ascii\|blank\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\):\]" contained
syn match crystalRegexpEscape "\\[].*?+^$|\\/(){}[]" contained
syn match crystalRegexpQuantifier "[*?+][?+]\=" contained display
syn match crystalRegexpQuantifier "{\d\+\%(,\d*\)\=}?\=" contained display
syn match crystalRegexpAnchor "[$^]\|\\[ABbGZz]" contained display
syn match crystalRegexpDot "\." contained display
syn match crystalRegexpSpecial "|" contained display
syn match crystalRegexpSpecial "\\[1-9]\d\=\d\@!" contained display
syn match crystalRegexpSpecial "\\k<\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\=>" contained display
syn match crystalRegexpSpecial "\\k'\%([a-z_]\w*\|-\=\d\+\)\%([+-]\d\+\)\='" contained display
syn match crystalRegexpSpecial "\\g<\%([a-z_]\w*\|-\=\d\+\)>" contained display
syn match crystalRegexpSpecial "\\g'\%([a-z_]\w*\|-\=\d\+\)'" contained display
syn cluster crystalStringSpecial contains=crystalInterpolation,crystalNoInterpolation,crystalStringEscape
syn cluster crystalExtendedStringSpecial contains=@crystalStringSpecial,crystalNestedParentheses,crystalNestedCurlyBraces,crystalNestedAngleBrackets,crystalNestedSquareBrackets
syn cluster crystalRegexpSpecial contains=crystalInterpolation,crystalNoInterpolation,crystalStringEscape,crystalRegexpSpecial,crystalRegexpEscape,crystalRegexpBrackets,crystalRegexpCharClass,crystalRegexpDot,crystalRegexpQuantifier,crystalRegexpAnchor,crystalRegexpParens,crystalRegexpComment
" Numbers and ASCII Codes
syn match crystalASCIICode "\%(\w\|[]})\"'/]\)\@<!\%(?\%(\\M-\\C-\|\\C-\\M-\|\\M-\\c\|\\c\\M-\|\\c\|\\C-\|\\M-\)\=\%(\\\o\{1,3}\|\\x\x\{1,2}\|\\\=\S\)\)"
syn match crystalInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[xX]\x\+\%(_\x\+\)*\%(_*[ufi]\%(32\|64\)\)\=\>" display
syn match crystalInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0[dD]\)\=\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(_\x\+\)*\%(_*[ufi]\%(32\|64\)\)\=\>" display
syn match crystalInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[oO]\=\o\+\%(_\o\+\)*\%(_\x\+\)*\%(_*[ufi]\%(32\|64\)\)\=\>" display
syn match crystalInteger "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<0[bB][01]\+\%(_[01]\+\)*\%(_\x\+\)*\%(_*[ufi]\%(32\|64\)\)\=\>" display
syn match crystalFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\.\d\+\%(_\d\+\)*\%(_*f\%(32\|64\)\)\=\>" display
syn match crystalFloat "\%(\%(\w\|[]})\"']\s*\)\@<!-\)\=\<\%(0\|[1-9]\d*\%(_\d\+\)*\)\%(\.\d\+\%(_\d\+\)*\)\=\%([eE][-+]\=\d\+\%(_\d\+\)*\)\%(_*f\%(32\|64\)\)\=\>" display
" Identifiers
syn match crystalLocalVariableOrMethod "\<[_[:lower:]][_[:alnum:]]*[?!=]\=" contains=NONE display transparent
syn match crystalBlockArgument "&[_[:lower:]][_[:alnum:]]" contains=NONE display transparent
syn match crystalConstant "\%(\%([.@$]\@<!\.\)\@<!\<\|::\)\_s*\zs\u\w*\%(\>\|::\)\@="
syn match crystalClassVariable "@@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
syn match crystalInstanceVariable "@\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
syn match crystalGlobalVariable "$\%(\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*\|-.\)"
syn match crystalFreshVariable "\%(\h\|[^\x00-\x7F]\)\@<!%\%(\h\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" display
syn match crystalSymbol "[]})\"':]\@<!:\%(\^\|\~\|<<\|<=>\|<=\|<\|===\|[=!]=\|[=!]\~\|!\|>>\|>=\|>\||\|-@\|-\|/\|\[][=?]\|\[]\|\*\*\|\*\|&\|%\|+@\|+\|`\)"
syn match crystalSymbol "[]})\"':]\@<!:\$\%(-.\|[`~<=>_,;:!?/.'"@$*\&+0]\)"
syn match crystalSymbol "[]})\"':]\@<!:\%(\$\|@@\=\)\=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*"
syn match crystalSymbol "[]})\"':]\@<!:\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*\%([?!=]>\@!\)\="
syn match crystalSymbol "\%([{(,]\_s*\)\@<=\l\w*[!?]\=::\@!"he=e-1
syn match crystalSymbol "[]})\"':]\@<!\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:\s\@="he=e-1
syn match crystalSymbol "\%([{(,]\_s*\)\@<=[[:space:],{]\l\w*[!?]\=::\@!"hs=s+1,he=e-1
syn match crystalSymbol "[[:space:],{]\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:\s\@="hs=s+1,he=e-1
syn region crystalSymbol start="[]})\"':]\@<!:\"" end="\"" skip="\\\\\|\\\"" contains=@crystalStringSpecial fold
syn match crystalBlockParameter "\%(\h\|%\|[^\x00-\x7F]\)\%(\w\|%\|[^\x00-\x7F]\)*" contained
syn region crystalBlockParameterList start="\%(\%(\<do\>\|{\)\s*\)\@<=|" end="|" oneline display contains=crystalBlockParameter
syn match crystalInvalidVariable "$[^ %A-Za-z_-]"
syn match crystalPredefinedVariable #$[!$&"'*+,./0:;<=>?@\`~]#
syn match crystalPredefinedVariable "$\d\+" display
syn match crystalPredefinedVariable "$_\>" display
syn match crystalPredefinedVariable "$-[0FIKadilpvw]\>" display
syn match crystalPredefinedVariable "$\%(deferr\|defout\|stderr\|stdin\|stdout\)\>" display
syn match crystalPredefinedVariable "$\%(DEBUG\|FILENAME\|KCODE\|LOADED_FEATURES\|LOAD_PATH\|PROGRAM_NAME\|SAFE\|VERBOSE\)\>" display
syn match crystalPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(MatchingData\|ARGF\|ARGV\|ENV\)\>\%(\s*(\)\@!"
syn match crystalPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(DATA\|FALSE\|NIL\)\>\%(\s*(\)\@!"
syn match crystalPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(STDERR\|STDIN\|STDOUT\|TOPLEVEL_BINDING\|TRUE\)\>\%(\s*(\)\@!"
syn match crystalPredefinedConstant "\%(\%(\.\@<!\.\)\@<!\|::\)\_s*\zs\%(crystal_\%(VERSION\|RELEASE_DATE\|PLATFORM\|PATCHLEVEL\|REVISION\|DESCRIPTION\|COPYRIGHT\|ENGINE\)\)\>\%(\s*(\)\@!"
" Normal Regular Expression
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="\%(\%(^\|\<\%(and\|or\|while\|until\|unless\|if\|elsif\|ifdef\|when\|not\|then\|else\)\|[;\~=!|&(,[<>?:*+-]\)\s*\)\@<=/" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@crystalRegexpSpecial fold
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="\%(\h\k*\s\+\)\@<=/[ \t=]\@!" end="/[iomxneus]*" skip="\\\\\|\\/" contains=@crystalRegexpSpecial fold
" Generalized Regular Expression
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="%r\z([~`!@#$%^&*_\-+=|\:;"',.? /]\)" end="\z1[iomxneus]*" skip="\\\\\|\\\z1" contains=@crystalRegexpSpecial fold
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="%r{" end="}[iomxneus]*" skip="\\\\\|\\}" contains=@crystalRegexpSpecial fold
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="%r<" end=">[iomxneus]*" skip="\\\\\|\\>" contains=@crystalRegexpSpecial,crystalNestedAngleBrackets,crystalDelimEscape fold
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="%r\[" end="\][iomxneus]*" skip="\\\\\|\\\]" contains=@crystalRegexpSpecial fold
syn region crystalRegexp matchgroup=crystalRegexpDelimiter start="%r(" end=")[iomxneus]*" skip="\\\\\|\\)" contains=@crystalRegexpSpecial fold
" Normal String and Shell Command Output
syn region crystalString matchgroup=crystalStringDelimiter start="\"" end="\"" skip="\\\\\|\\\"" contains=@crystalStringSpecial,@Spell fold
syn region crystalString matchgroup=crystalStringDelimiter start="`" end="`" skip="\\\\\|\\`" contains=@crystalStringSpecial fold
" Character
syn match crystalCharLiteral "'\%([^\\]\|\\[abefnrstv'\\]\|\\\o\{1,3}\|\\x\x\{1,2}\|\\u\x\{4}\)'" contained display
" Generalized Single Quoted String, Symbol and Array of Strings
syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]{" end="}" skip="\\\\\|\\}" fold contains=crystalNestedCurlyBraces,crystalDelimEscape
syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]<" end=">" skip="\\\\\|\\>" fold contains=crystalNestedAngleBrackets,crystalDelimEscape
syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi]\[" end="\]" skip="\\\\\|\\\]" fold contains=crystalNestedSquareBrackets,crystalDelimEscape
syn region crystalString matchgroup=crystalStringDelimiter start="%[qwi](" end=")" skip="\\\\\|\\)" fold contains=crystalNestedParentheses,crystalDelimEscape
syn region crystalString matchgroup=crystalStringDelimiter start="%q " end=" " skip="\\\\\|\\)" fold
syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s\z([~`!@#$%^&*_\-+=|\:;"',.? /]\)" end="\z1" skip="\\\\\|\\\z1" fold
syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s{" end="}" skip="\\\\\|\\}" fold contains=crystalNestedCurlyBraces,crystalDelimEscape
syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s<" end=">" skip="\\\\\|\\>" fold contains=crystalNestedAngleBrackets,crystalDelimEscape
syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s\[" end="\]" skip="\\\\\|\\\]" fold contains=crystalNestedSquareBrackets,crystalDelimEscape
syn region crystalSymbol matchgroup=crystalSymbolDelimiter start="%s(" end=")" skip="\\\\\|\\)" fold contains=crystalNestedParentheses,crystalDelimEscape
" Generalized Double Quoted String and Array of Strings and Shell Command Output
" Note: %= is not matched here as the beginning of a double quoted string
syn region crystalString matchgroup=crystalStringDelimiter start="%\z([~`!@#$%^&*_\-+|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@crystalStringSpecial fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\z([~`!@#$%^&*_\-+=|\:;"',.?/]\)" end="\z1" skip="\\\\\|\\\z1" contains=@crystalStringSpecial fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\={" end="}" skip="\\\\\|\\}" contains=@crystalStringSpecial,crystalNestedCurlyBraces,crystalDelimEscape fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=<" end=">" skip="\\\\\|\\>" contains=@crystalStringSpecial,crystalNestedAngleBrackets,crystalDelimEscape fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=\[" end="\]" skip="\\\\\|\\\]" contains=@crystalStringSpecial,crystalNestedSquareBrackets,crystalDelimEscape fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[QWIx]\=(" end=")" skip="\\\\\|\\)" contains=@crystalStringSpecial,crystalNestedParentheses,crystalDelimEscape fold
syn region crystalString matchgroup=crystalStringDelimiter start="%[Qx] " end=" " skip="\\\\\|\\)" contains=@crystalStringSpecial fold
" Here Document
syn region crystalHeredocStart matchgroup=crystalStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs\%(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)+ end=+$+ oneline contains=ALLBUT,@crystalNotTop
syn region crystalHeredocStart matchgroup=crystalStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs"\%([^"]*\)"+ end=+$+ oneline contains=ALLBUT,@crystalNotTop
syn region crystalHeredocStart matchgroup=crystalStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs'\%([^']*\)'+ end=+$+ oneline contains=ALLBUT,@crystalNotTop
syn region crystalHeredocStart matchgroup=crystalStringDelimiter start=+\%(\%(class\s*\|\%([]})"'.]\|::\)\)\_s*\|\w\)\@<!<<-\=\zs`\%([^`]*\)`+ end=+$+ oneline contains=ALLBUT,@crystalNotTop
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+2 matchgroup=crystalStringDelimiter end=+^\z1$+ contains=crystalHeredocStart,crystalHeredoc,@crystalStringSpecial fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<"\z([^"]*\)"\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+2 matchgroup=crystalStringDelimiter end=+^\z1$+ contains=crystalHeredocStart,crystalHeredoc,@crystalStringSpecial fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<'\z([^']*\)'\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+2 matchgroup=crystalStringDelimiter end=+^\z1$+ contains=crystalHeredocStart,crystalHeredoc fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]})"'.]\)\s\|\w\)\@<!<<`\z([^`]*\)`\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+2 matchgroup=crystalStringDelimiter end=+^\z1$+ contains=crystalHeredocStart,crystalHeredoc,@crystalStringSpecial fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-\z(\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*\)\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3 matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart,@crystalStringSpecial fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-"\z([^"]*\)"\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3 matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart,@crystalStringSpecial fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-'\z([^']*\)'\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3 matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart fold keepend
syn region crystalString start=+\%(\%(class\|::\)\_s*\|\%([]}).]\)\s\|\w\)\@<!<<-`\z([^`]*\)`\ze\%(.*<<-\=['`"]\=\h\)\@!+hs=s+3 matchgroup=crystalStringDelimiter end=+^\s*\zs\z1$+ contains=crystalHeredocStart,@crystalStringSpecial fold keepend
if exists('main_syntax') && g:main_syntax ==# 'ecrystal'
let b:crystal_no_expensive = 1
end
syn match crystalAliasDeclaration "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable nextgroup=crystalAliasDeclaration2 skipwhite
syn match crystalAliasDeclaration2 "[^[:space:];#.()]\+" contained contains=crystalSymbol,crystalGlobalVariable,crystalPredefinedVariable
syn match crystalMethodDeclaration "[^[:space:];#(]\+" contained contains=crystalConstant,crystalBoolean,crystalPseudoVariable,crystalInstanceVariable,crystalClassVariable,crystalGlobalVariable
syn match crystalFunctionDeclaration "[^[:space:];#=]\+" contained contains=crystalConstant
syn match crystalTypeDeclaration "[^[:space:];#=]\+" contained contains=crystalConstant
syn match crystalClassDeclaration "[^[:space:];#<]\+" contained contains=crystalConstant,crystalOperator
syn match crystalModuleDeclaration "[^[:space:];#<]\+" contained contains=crystalConstant,crystalOperator
syn match crystalStructDeclaration "[^[:space:];#<]\+" contained contains=crystalConstant,crystalOperator
syn match crystalLibDeclaration "[^[:space:];#<]\+" contained contains=crystalConstant,crystalOperator
syn match crystalMacroDeclaration "[^[:space:];#<\"]\+" contained contains=crystalConstant,crystalOperator
syn match crystalEnumDeclaration "[^[:space:];#<\"]\+" contained contains=crystalConstant
syn match crystalFunction "\<[_[:alpha:]][_[:alnum:]]*[?!=]\=[[:alnum:]_.:?!=]\@!" contained containedin=crystalMethodDeclaration,crystalFunctionDeclaration
syn match crystalFunction "\%(\s\|^\)\@<=[_[:alpha:]][_[:alnum:]]*[?!=]\=\%(\s\|$\)\@=" contained containedin=crystalAliasDeclaration,crystalAliasDeclaration2
syn match crystalFunction "\%([[:space:].]\|^\)\@<=\%(\[\][=?]\=\|\*\*\|[+-]@\=\|[*/%|&^~]\|<<\|>>\|[<>]=\=\|<=>\|===\|[=!]=\|[=!]\~\|!\|`\)\%([[:space:];#(]\|$\)\@=" contained containedin=crystalAliasDeclaration,crystalAliasDeclaration2,crystalMethodDeclaration,crystalFunctionDeclaration
syn cluster crystalDeclaration contains=crystalAliasDeclaration,crystalAliasDeclaration2,crystalMethodDeclaration,crystalFunctionDeclaration,crystalModuleDeclaration,crystalClassDeclaration,crystalStructDeclaration,crystalLibDeclaration,crystalMacroDeclaration,crystalFunction,crystalBlockParameter,crystalTypeDeclaration,crystalEnumDeclaration
" Keywords
" Note: the following keywords have already been defined:
" begin case class def do end for if module unless until while
syn match crystalControl "\<\%(break\|in\|next\|rescue\|return\)\>[?!]\@!"
syn match crystalOperator "\<defined?" display
syn match crystalKeyword "\<\%(super\|previous_def\|yield\|as\|of\|with\)\>[?!]\@!"
syn match crystalBoolean "\<\%(true\|false\)\>[?!]\@!"
syn match crystalPseudoVariable "\<\%(nil\|self\|__DIR__\|__FILE__\|__LINE__\)\>[?!]\@!" " TODO: reorganise
" Expensive Mode - match 'end' with the appropriate opening keyword for syntax
" based folding and special highlighting of module/class/method definitions
if !exists('b:crystal_no_expensive') && !exists('crystal_no_expensive')
syn match crystalDefine "\<alias\>" nextgroup=crystalAliasDeclaration skipwhite skipnl
syn match crystalDefine "\<def\>" nextgroup=crystalMethodDeclaration skipwhite skipnl
syn match crystalDefine "\<fun\>" nextgroup=crystalFunctionDeclaration skipwhite skipnl
syn match crystalDefine "\<undef\>" nextgroup=crystalFunction skipwhite skipnl
syn match crystalDefine "\<\%(type\|alias\)\>\%(\s*\h\w*\s*=\)\@=" nextgroup=crystalTypeDeclaration skipwhite skipnl
syn match crystalClass "\<class\>" nextgroup=crystalClassDeclaration skipwhite skipnl
syn match crystalModule "\<module\>" nextgroup=crystalModuleDeclaration skipwhite skipnl
syn match crystalStruct "\<struct\>" nextgroup=crystalStructDeclaration skipwhite skipnl
syn match crystalLib "\<lib\>" nextgroup=crystalLibDeclaration skipwhite skipnl
syn match crystalMacro "\<macro\>" nextgroup=crystalMacroDeclaration skipwhite skipnl
syn match crystalEnum "\<enum\>" nextgroup=crystalEnumDeclaration skipwhite skipnl
syn region crystalMethodBlock start="\<\%(def\|macro\)\>" matchgroup=crystalDefine end="\%(\<\%(def\|macro\)\_s\+\)\@<!\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalBlock start="\<class\>" matchgroup=crystalClass end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalBlock start="\<module\>" matchgroup=crystalModule end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalBlock start="\<struct\>" matchgroup=crystalStruct end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalBlock start="\<lib\>" matchgroup=crystalLib end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalBlock start="\<enum\>" matchgroup=crystalEnum end="\<end\>" contains=ALLBUT,@crystalNotTop fold
" modifiers
syn match crystalConditionalModifier "\<\%(if\|unless\|ifdef\)\>" display
syn match crystalRepeatModifier "\<\%(while\|until\)\>" display
syn region crystalDoBlock matchgroup=crystalControl start="\<do\>" end="\<end\>" contains=ALLBUT,@crystalNotTop fold
" curly bracket block or hash literal
syn region crystalCurlyBlock matchgroup=crystalCurlyBlockDelimiter start="{" end="}" contains=ALLBUT,@crystalNotTop fold
syn region crystalArrayLiteral matchgroup=crystalArrayDelimiter start="\%(\w\|[\]})]\)\@<!\[" end="]" contains=ALLBUT,@crystalNotTop fold
" statements without 'do'
syn region crystalBlockExpression matchgroup=crystalControl start="\<begin\>" end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalCaseExpression matchgroup=crystalConditional start="\<case\>" end="\<end\>" contains=ALLBUT,@crystalNotTop fold
syn region crystalConditionalExpression matchgroup=crystalConditional start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+=-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![?!]\)\s*\)\@<=\%(if\|ifdef\|unless\)\>" end="\%(\%(\%(\.\@<!\.\)\|::\)\s*\)\@<!\<end\>" contains=ALLBUT,@crystalNotTop fold
syn match crystalConditional "\<\%(then\|else\|when\)\>[?!]\@!" contained containedin=crystalCaseExpression
syn match crystalConditional "\<\%(then\|else\|elsif\)\>[?!]\@!" contained containedin=crystalConditionalExpression
syn match crystalExceptional "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=crystalBlockExpression
syn match crystalMethodExceptional "\<\%(\%(\%(;\|^\)\s*\)\@<=rescue\|else\|ensure\)\>[?!]\@!" contained containedin=crystalMethodBlock
" statements with optional 'do'
syn region crystalOptionalDoLine matchgroup=crystalRepeat start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=crystalOptionalDo end="\%(\<do\>\)" end="\ze\%(;\|$\)" oneline contains=ALLBUT,@crystalNotTop
syn region crystalRepeatExpression start="\<for\>[?!]\@!" start="\%(\%(^\|\.\.\.\=\|[{:,;([<>~\*/%&^|+-]\|\%(\<[_[:lower:]][_[:alnum:]]*\)\@<![!=?]\)\s*\)\@<=\<\%(until\|while\)\>" matchgroup=crystalRepeat end="\<end\>" contains=ALLBUT,@crystalNotTop nextgroup=crystalOptionalDoLine fold
if !exists('crystal_minlines')
let crystal_minlines = 500
endif
exec 'syn sync minlines=' . crystal_minlines
else
syn match crystalControl "\<def\>[?!]\@!" nextgroup=crystalMethodDeclaration skipwhite skipnl
syn match crystalControl "\<fun\>[?!]\@!" nextgroup=crystalFunctionDeclaration skipwhite skipnl
syn match crystalControl "\<class\>[?!]\@!" nextgroup=crystalClassDeclaration skipwhite skipnl
syn match crystalControl "\<module\>[?!]\@!" nextgroup=crystalModuleDeclaration skipwhite skipnl
syn match crystalControl "\<struct\>[?!]\@!" nextgroup=crystalStructDeclaration skipwhite skipnl
syn match crystalControl "\<lib\>[?!]\@!" nextgroup=crystalLibDeclaration skipwhite skipnl
syn match crystalControl "\<macro\>[?!]\@!" nextgroup=crystalMacroDeclaration skipwhite skipnl
syn match crystalControl "\<enum\>[?!]\@!" nextgroup=crystalEnumDeclaration skipwhite skipnl
syn match crystalControl "\<\%(case\|begin\|do\|for\|if\|ifdef\|unless\|while\|until\|else\|elsif\|ensure\|then\|when\|end\)\>[?!]\@!"
syn match crystalKeyword "\<\%(alias\|undef\)\>[?!]\@!"
endif
" Link attribute
syn region crystalLinkAttrRegion start="@\[" nextgroup=crystalLinkAttrRegionInner end="]" contains=crystalLinkAttr,crystalLinkAttrRegionInner transparent display oneline
syn region crystalLinkAttrRegionInner start="\%(@\[\)\@<=" end="]\@=" contained contains=ALLBUT,@crystalNotTop transparent display oneline
syn match crystalLinkAttr "@\[" contained containedin=crystalLinkAttrRegion display
syn match crystalLinkAttr "]" contained containedin=crystalLinkAttrRegion display
" Special Methods
if !exists('crystal_no_special_methods')
syn keyword crystalAccess protected private
" attr is a common variable name
syn keyword crystalAttribute getter setter property abstract
syn match crystalControl "\<\%(abort\|at_exit\|exit\|fork\|loop\)\>[?!]\@!" display
syn keyword crystalException raise
" false positive with 'include?'
syn match crystalInclude "\<include\>[?!]\@!" display
syn keyword crystalInclude extend require
syn keyword crystalKeyword caller typeof pointerof sizeof instance_sizeof
syn match crystalRecord "\<record\>[?!]\@!" display
endif
" Macro
syn region crystalMacroRegion start="{%" end="%}" contains=ALLBUT,@crystalNotTop transparent display oneline
syn region crystalMacroRegion start="{{" end="}}" contains=ALLBUT,@crystalNotTop transparent display oneline
syn match crystalMacro "\%({%\|%}\|{{\|}}\)" nextgroup=crystalMacroRegion skipwhite display
" Comments and Documentation
syn match crystalSharpBang "\%^#!.*" display
syn keyword crystalTodo FIXME NOTE TODO OPTIMIZE XXX todo contained
syn match crystalComment "#.*" contains=crystalSharpBang,crystalSpaceError,crystalTodo,@Spell
if !exists('crystal_no_comment_fold')
syn region crystalMultilineComment start="\%(\%(^\s*#.*\n\)\@<!\%(^\s*#.*\n\)\)\%(\(^\s*#.*\n\)\{1,}\)\@=" end="\%(^\s*#.*\n\)\@<=\%(^\s*#.*\n\)\%(^\s*#\)\@!" contains=crystalComment transparent fold keepend
endif
" Note: this is a hack to prevent 'keywords' being highlighted as such when called as methods with an explicit receiver
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(alias\|begin\|break\|case\|class\|def\|defined\|do\|else\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(elsif\|end\|ensure\|false\|for\|if\|ifdef\|in\|module\|next\|nil\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(rescue\|return\|self\|super\|previous_def\|then\|true\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(undef\|unless\|until\|when\|while\|yield\|with\|__FILE__\|__LINE__\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\<\%(alias\|begin\|case\|class\|def\|do\|end\)[?!]" transparent contains=NONE
syn match crystalKeywordAsMethod "\<\%(if\|ifdef\|module\|undef\|unless\|until\|while\)[?!]" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(abort\|at_exit\|caller\|exit\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(extend\|fork\|include\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(loop\|private\|protected\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(require\|raise\)\>" transparent contains=NONE
syn match crystalKeywordAsMethod "\%(\%(\.\@<!\.\)\|::\)\_s*\%(typeof\|pointerof\|sizeof\|instance_sizeof\|\)\>" transparent contains=NONE
hi def link crystalClass crystalDefine
hi def link crystalModule crystalDefine
hi def link crystalStruct crystalDefine
hi def link crystalLib crystalDefine
hi def link crystalMacro crystalDefine
hi def link crystalEnum crystalDefine
hi def link crystalMethodExceptional crystalDefine
hi def link crystalDefine Define
hi def link crystalFunction Function
hi def link crystalConditional Conditional
hi def link crystalConditionalModifier crystalConditional
hi def link crystalExceptional crystalConditional
hi def link crystalRepeat Repeat
hi def link crystalRepeatModifier crystalRepeat
hi def link crystalOptionalDo crystalRepeat
hi def link crystalControl Statement
hi def link crystalInclude Include
hi def link crystalRecord Statement
hi def link crystalInteger Number
hi def link crystalASCIICode Character
hi def link crystalFloat Float
hi def link crystalBoolean Boolean
hi def link crystalException Exception
if !exists('crystal_no_identifiers')
hi def link crystalIdentifier Identifier
else
hi def link crystalIdentifier NONE
endif
hi def link crystalClassVariable crystalIdentifier
hi def link crystalConstant Type
hi def link crystalGlobalVariable crystalIdentifier
hi def link crystalBlockParameter crystalIdentifier
hi def link crystalInstanceVariable crystalIdentifier
hi def link crystalFreshVariable crystalIdentifier
hi def link crystalPredefinedIdentifier crystalIdentifier
hi def link crystalPredefinedConstant crystalPredefinedIdentifier
hi def link crystalPredefinedVariable crystalPredefinedIdentifier
hi def link crystalSymbol Constant
hi def link crystalKeyword Keyword
hi def link crystalOperator Operator
hi def link crystalAccess Statement
hi def link crystalAttribute Statement
hi def link crystalPseudoVariable Constant
hi def link crystalCharLiteral Character
hi def link crystalComment Comment
hi def link crystalTodo Todo
hi def link crystalStringEscape Special
hi def link crystalInterpolationDelimiter Delimiter
hi def link crystalNoInterpolation crystalString
hi def link crystalSharpBang PreProc
hi def link crystalRegexpDelimiter crystalStringDelimiter
hi def link crystalSymbolDelimiter crystalStringDelimiter
hi def link crystalStringDelimiter Delimiter
hi def link crystalHeredoc crystalString
hi def link crystalString String
hi def link crystalRegexpEscape crystalRegexpSpecial
hi def link crystalRegexpQuantifier crystalRegexpSpecial
hi def link crystalRegexpAnchor crystalRegexpSpecial
hi def link crystalRegexpDot crystalRegexpCharClass
hi def link crystalRegexpCharClass crystalRegexpSpecial
hi def link crystalRegexpSpecial Special
hi def link crystalRegexpComment Comment
hi def link crystalRegexp crystalString
hi def link crystalLinkAttr PreProc
hi def link crystalMacro PreProc
hi def link crystalInvalidVariable Error
hi def link crystalError Error
hi def link crystalSpaceError crystalError
let b:current_syntax = 'crystal'
" vim: nowrap sw=2 sts=2 ts=8 noet:
endif