2014-07-10 21:05:51 -07:00
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" Vim indent file
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2021-05-01 20:21:50 -07:00
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" Language: Clojure
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2021-11-07 16:10:44 -07:00
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" Maintainer: Alex Vear <alex@vear.uk>
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2021-05-01 20:21:50 -07:00
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" Former Maintainers: Sung Pae <self@sungpae.com>
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" Meikel Brandmeyer <mb@kotka.de>
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" URL: https://github.com/clojure-vim/clojure.vim
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" License: Vim (see :h license)
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2021-11-07 16:10:44 -07:00
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" Last Change: 2021-10-26
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2014-07-10 21:05:51 -07:00
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if exists("b:did_indent")
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finish
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endif
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let b:did_indent = 1
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let s:save_cpo = &cpo
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set cpo&vim
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let b:undo_indent = 'setlocal autoindent< smartindent< expandtab< softtabstop< shiftwidth< indentexpr< indentkeys<'
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setlocal noautoindent nosmartindent
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setlocal softtabstop=2 shiftwidth=2 expandtab
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setlocal indentkeys=!,o,O
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if exists("*searchpairpos")
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if !exists('g:clojure_maxlines')
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2021-11-07 16:10:44 -07:00
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let g:clojure_maxlines = 300
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2014-07-10 21:05:51 -07:00
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endif
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if !exists('g:clojure_fuzzy_indent')
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let g:clojure_fuzzy_indent = 1
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endif
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if !exists('g:clojure_fuzzy_indent_patterns')
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let g:clojure_fuzzy_indent_patterns = ['^with', '^def', '^let']
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endif
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if !exists('g:clojure_fuzzy_indent_blacklist')
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let g:clojure_fuzzy_indent_blacklist = ['-fn$', '\v^with-%(meta|out-str|loading-context)$']
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endif
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if !exists('g:clojure_special_indent_words')
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let g:clojure_special_indent_words = 'deftype,defrecord,reify,proxy,extend-type,extend-protocol,letfn'
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endif
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if !exists('g:clojure_align_multiline_strings')
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let g:clojure_align_multiline_strings = 0
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endif
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if !exists('g:clojure_align_subforms')
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let g:clojure_align_subforms = 0
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endif
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2016-12-10 02:49:33 -07:00
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function! s:syn_id_name()
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2014-07-10 21:05:51 -07:00
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return synIDattr(synID(line("."), col("."), 0), "name")
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:ignored_region()
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return s:syn_id_name() =~? '\vstring|regex|comment|character'
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endfunction
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function! s:current_char()
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2014-07-10 21:05:51 -07:00
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return getline('.')[col('.')-1]
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:current_word()
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2014-07-10 21:05:51 -07:00
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return getline('.')[col('.')-1 : searchpos('\v>', 'n', line('.'))[1]-2]
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:is_paren()
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return s:current_char() =~# '\v[\(\)\[\]\{\}]' && !s:ignored_region()
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2014-07-10 21:05:51 -07:00
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endfunction
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2021-11-07 16:10:44 -07:00
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" Returns 1 if string matches a pattern in 'patterns', which should be
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" a list of patterns.
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2016-12-10 02:49:33 -07:00
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function! s:match_one(patterns, string)
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2021-11-07 16:10:44 -07:00
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for pat in a:patterns
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2014-07-10 21:05:51 -07:00
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if a:string =~# pat | return 1 | endif
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endfor
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:match_pairs(open, close, stopat)
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2014-07-10 21:05:51 -07:00
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" Stop only on vector and map [ resp. {. Ignore the ones in strings and
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" comments.
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2021-05-01 20:21:50 -07:00
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if a:stopat == 0 && g:clojure_maxlines > 0
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2014-07-10 21:05:51 -07:00
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let stopat = max([line(".") - g:clojure_maxlines, 0])
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else
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let stopat = a:stopat
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endif
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2016-12-10 02:49:33 -07:00
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let pos = searchpairpos(a:open, '', a:close, 'bWn', "!s:is_paren()", stopat)
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return [pos[0], col(pos)]
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2014-07-10 21:05:51 -07:00
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:clojure_check_for_string_worker()
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2014-07-10 21:05:51 -07:00
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" Check whether there is the last character of the previous line is
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" highlighted as a string. If so, we check whether it's a ". In this
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" case we have to check also the previous character. The " might be the
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" closing one. In case the we are still in the string, we search for the
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" opening ". If this is not found we take the indent of the line.
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let nb = prevnonblank(v:lnum - 1)
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if nb == 0
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return -1
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endif
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call cursor(nb, 0)
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call cursor(0, col("$") - 1)
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2016-12-10 02:49:33 -07:00
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if s:syn_id_name() !~? "string"
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2014-07-10 21:05:51 -07:00
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return -1
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endif
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" This will not work for a " in the first column...
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2016-12-10 02:49:33 -07:00
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if s:current_char() == '"'
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2014-07-10 21:05:51 -07:00
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call cursor(0, col("$") - 2)
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2016-12-10 02:49:33 -07:00
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if s:syn_id_name() !~? "string"
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2014-07-10 21:05:51 -07:00
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return -1
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endif
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2021-05-01 20:21:50 -07:00
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if s:current_char() != '\'
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2014-07-10 21:05:51 -07:00
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return -1
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endif
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call cursor(0, col("$") - 1)
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endif
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let p = searchpos('\(^\|[^\\]\)\zs"', 'bW')
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if p != [0, 0]
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return p[1] - 1
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endif
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return indent(".")
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:check_for_string()
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2014-07-10 21:05:51 -07:00
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let pos = getpos('.')
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try
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2016-12-10 02:49:33 -07:00
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let val = s:clojure_check_for_string_worker()
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2014-07-10 21:05:51 -07:00
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finally
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call setpos('.', pos)
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endtry
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return val
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:strip_namespace_and_macro_chars(word)
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2014-07-10 21:05:51 -07:00
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return substitute(a:word, "\\v%(.*/|[#'`~@^,]*)(.*)", '\1', '')
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:clojure_is_method_special_case_worker(position)
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2014-07-10 21:05:51 -07:00
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" Find the next enclosing form.
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call search('\S', 'Wb')
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" Special case: we are at a '(('.
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2016-12-10 02:49:33 -07:00
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if s:current_char() == '('
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2014-07-10 21:05:51 -07:00
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return 0
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endif
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call cursor(a:position)
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2016-12-10 02:49:33 -07:00
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let next_paren = s:match_pairs('(', ')', 0)
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2014-07-10 21:05:51 -07:00
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" Special case: we are now at toplevel.
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2016-12-10 02:49:33 -07:00
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if next_paren == [0, 0]
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2014-07-10 21:05:51 -07:00
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return 0
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endif
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2016-12-10 02:49:33 -07:00
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call cursor(next_paren)
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2014-07-10 21:05:51 -07:00
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call search('\S', 'W')
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2016-12-10 02:49:33 -07:00
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let w = s:strip_namespace_and_macro_chars(s:current_word())
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2021-05-01 20:21:50 -07:00
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2014-07-10 21:05:51 -07:00
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if g:clojure_special_indent_words =~# '\V\<' . w . '\>'
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2021-05-01 20:21:50 -07:00
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" `letfn` is a special-special-case.
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if w ==# 'letfn'
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" Earlier code left the cursor at:
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" (letfn [...] ...)
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" ^
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" Search and get coordinates of first `[`
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" (letfn [...] ...)
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" ^
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call search('\[', 'W')
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let pos = getcurpos()
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let letfn_bracket = [pos[1], pos[2]]
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" Move cursor to start of the form this function was
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" initially called on. Grab the coordinates of the
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" closest outer `[`.
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call cursor(a:position)
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let outer_bracket = s:match_pairs('\[', '\]', 0)
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" If the located square brackets are not the same,
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" don't use special-case formatting.
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if outer_bracket != letfn_bracket
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return 0
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endif
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endif
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2014-07-10 21:05:51 -07:00
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return 1
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endif
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return 0
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endfunction
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2016-12-10 02:49:33 -07:00
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function! s:is_method_special_case(position)
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2014-07-10 21:05:51 -07:00
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let pos = getpos('.')
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try
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2016-12-10 02:49:33 -07:00
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let val = s:clojure_is_method_special_case_worker(a:position)
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2014-07-10 21:05:51 -07:00
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finally
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call setpos('.', pos)
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endtry
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return val
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endfunction
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2016-12-10 02:49:33 -07:00
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" Check if form is a reader conditional, that is, it is prefixed by #?
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2021-11-07 16:10:44 -07:00
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" or #?@
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2016-12-10 02:49:33 -07:00
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function! s:is_reader_conditional_special_case(position)
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2021-05-01 20:21:50 -07:00
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return getline(a:position[0])[a:position[1] - 3 : a:position[1] - 2] == "#?"
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2021-11-07 16:10:44 -07:00
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\|| getline(a:position[0])[a:position[1] - 4 : a:position[1] - 2] == "#?@"
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2016-12-10 02:49:33 -07:00
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endfunction
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" Returns 1 for opening brackets, -1 for _anything else_.
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function! s:bracket_type(char)
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return stridx('([{', a:char) > -1 ? 1 : -1
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endfunction
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" Returns: [opening-bracket-lnum, indent]
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function! s:clojure_indent_pos()
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2014-07-10 21:05:51 -07:00
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" Get rid of special case.
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if line(".") == 1
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2016-12-10 02:49:33 -07:00
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return [0, 0]
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2014-07-10 21:05:51 -07:00
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endif
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" We have to apply some heuristics here to figure out, whether to use
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" normal lisp indenting or not.
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2016-12-10 02:49:33 -07:00
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let i = s:check_for_string()
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2014-07-10 21:05:51 -07:00
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if i > -1
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2016-12-10 02:49:33 -07:00
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return [0, i + !!g:clojure_align_multiline_strings]
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2014-07-10 21:05:51 -07:00
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endif
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call cursor(0, 1)
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" Find the next enclosing [ or {. We can limit the second search
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" to the line, where the [ was found. If no [ was there this is
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" zero and we search for an enclosing {.
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2016-12-10 02:49:33 -07:00
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let paren = s:match_pairs('(', ')', 0)
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let bracket = s:match_pairs('\[', '\]', paren[0])
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let curly = s:match_pairs('{', '}', bracket[0])
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2014-07-10 21:05:51 -07:00
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" In case the curly brace is on a line later then the [ or - in
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" case they are on the same line - in a higher column, we take the
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" curly indent.
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if curly[0] > bracket[0] || curly[1] > bracket[1]
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if curly[0] > paren[0] || curly[1] > paren[1]
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2016-12-10 02:49:33 -07:00
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return curly
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2014-07-10 21:05:51 -07:00
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endif
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endif
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" If the curly was not chosen, we take the bracket indent - if
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" there was one.
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if bracket[0] > paren[0] || bracket[1] > paren[1]
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2016-12-10 02:49:33 -07:00
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return bracket
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2014-07-10 21:05:51 -07:00
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endif
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" There are neither { nor [ nor (, ie. we are at the toplevel.
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if paren == [0, 0]
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2016-12-10 02:49:33 -07:00
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return paren
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2014-07-10 21:05:51 -07:00
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endif
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" Now we have to reimplement lispindent. This is surprisingly easy, as
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" soon as one has access to syntax items.
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"
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" - Check whether we are in a special position after a word in
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" g:clojure_special_indent_words. These are special cases.
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" - Get the next keyword after the (.
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" - If its first character is also a (, we have another sexp and align
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" one column to the right of the unmatched (.
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" - In case it is in lispwords, we indent the next line to the column of
|
|
|
|
|
" the ( + sw.
|
|
|
|
|
" - If not, we check whether it is last word in the line. In that case
|
|
|
|
|
" we again use ( + sw for indent.
|
|
|
|
|
" - In any other case we use the column of the end of the word + 2.
|
|
|
|
|
call cursor(paren)
|
|
|
|
|
|
2016-12-10 02:49:33 -07:00
|
|
|
|
if s:is_method_special_case(paren)
|
2021-05-01 20:21:50 -07:00
|
|
|
|
return [paren[0], paren[1] + &shiftwidth - 1]
|
2016-12-10 02:49:33 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if s:is_reader_conditional_special_case(paren)
|
|
|
|
|
return paren
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
" In case we are at the last character, we use the paren position.
|
|
|
|
|
if col("$") - 1 == paren[1]
|
2016-12-10 02:49:33 -07:00
|
|
|
|
return paren
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
" In case after the paren is a whitespace, we search for the next word.
|
|
|
|
|
call cursor(0, col('.') + 1)
|
2016-12-10 02:49:33 -07:00
|
|
|
|
if s:current_char() == ' '
|
2014-07-10 21:05:51 -07:00
|
|
|
|
call search('\v\S', 'W')
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
" If we moved to another line, there is no word after the (. We
|
|
|
|
|
" use the ( position for indent.
|
|
|
|
|
if line(".") > paren[0]
|
2016-12-10 02:49:33 -07:00
|
|
|
|
return paren
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
" We still have to check, whether the keyword starts with a (, [ or {.
|
|
|
|
|
" In that case we use the ( position for indent.
|
2016-12-10 02:49:33 -07:00
|
|
|
|
let w = s:current_word()
|
|
|
|
|
if s:bracket_type(w[0]) == 1
|
|
|
|
|
return paren
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
2021-05-01 20:21:50 -07:00
|
|
|
|
" If the keyword begins with #, check if it is an anonymous
|
|
|
|
|
" function or set, in which case we indent by the shiftwidth
|
|
|
|
|
" (minus one if g:clojure_align_subforms = 1), or if it is
|
|
|
|
|
" ignored, in which case we use the ( position for indent.
|
|
|
|
|
if w[0] == "#"
|
|
|
|
|
" TODO: Handle #=() and other rare reader invocations?
|
|
|
|
|
if w[1] == '(' || w[1] == '{'
|
|
|
|
|
return [paren[0], paren[1] + (g:clojure_align_subforms ? 0 : &shiftwidth - 1)]
|
|
|
|
|
elseif w[1] == '_'
|
|
|
|
|
return paren
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
|
2014-07-10 21:05:51 -07:00
|
|
|
|
" Test words without namespace qualifiers and leading reader macro
|
|
|
|
|
" metacharacters.
|
|
|
|
|
"
|
|
|
|
|
" e.g. clojure.core/defn and #'defn should both indent like defn.
|
2016-12-10 02:49:33 -07:00
|
|
|
|
let ww = s:strip_namespace_and_macro_chars(w)
|
2014-07-10 21:05:51 -07:00
|
|
|
|
|
|
|
|
|
if &lispwords =~# '\V\<' . ww . '\>'
|
2021-05-01 20:21:50 -07:00
|
|
|
|
return [paren[0], paren[1] + &shiftwidth - 1]
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if g:clojure_fuzzy_indent
|
2016-12-10 02:49:33 -07:00
|
|
|
|
\ && !s:match_one(g:clojure_fuzzy_indent_blacklist, ww)
|
|
|
|
|
\ && s:match_one(g:clojure_fuzzy_indent_patterns, ww)
|
2021-05-01 20:21:50 -07:00
|
|
|
|
return [paren[0], paren[1] + &shiftwidth - 1]
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call search('\v\_s', 'cW')
|
|
|
|
|
call search('\v\S', 'W')
|
|
|
|
|
if paren[0] < line(".")
|
2021-05-01 20:21:50 -07:00
|
|
|
|
return [paren[0], paren[1] + (g:clojure_align_subforms ? 0 : &shiftwidth - 1)]
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call search('\v\S', 'bW')
|
2016-12-10 02:49:33 -07:00
|
|
|
|
return [line('.'), col('.') + 1]
|
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
|
|
function! GetClojureIndent()
|
|
|
|
|
let lnum = line('.')
|
|
|
|
|
let orig_lnum = lnum
|
|
|
|
|
let orig_col = col('.')
|
|
|
|
|
let [opening_lnum, indent] = s:clojure_indent_pos()
|
|
|
|
|
|
|
|
|
|
" Account for multibyte characters
|
|
|
|
|
if opening_lnum > 0
|
|
|
|
|
let indent -= indent - virtcol([opening_lnum, indent])
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
" Return if there are no previous lines to inherit from
|
|
|
|
|
if opening_lnum < 1 || opening_lnum >= lnum - 1
|
|
|
|
|
call cursor(orig_lnum, orig_col)
|
|
|
|
|
return indent
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
let bracket_count = 0
|
|
|
|
|
|
|
|
|
|
" Take the indent of the first previous non-white line that is
|
|
|
|
|
" at the same sexp level. cf. src/misc1.c:get_lisp_indent()
|
|
|
|
|
while 1
|
|
|
|
|
let lnum = prevnonblank(lnum - 1)
|
|
|
|
|
let col = 1
|
|
|
|
|
|
|
|
|
|
if lnum <= opening_lnum
|
|
|
|
|
break
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
call cursor(lnum, col)
|
|
|
|
|
|
|
|
|
|
" Handle bracket counting edge case
|
|
|
|
|
if s:is_paren()
|
|
|
|
|
let bracket_count += s:bracket_type(s:current_char())
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
while 1
|
|
|
|
|
if search('\v[(\[{}\])]', '', lnum) < 1
|
|
|
|
|
break
|
|
|
|
|
elseif !s:ignored_region()
|
|
|
|
|
let bracket_count += s:bracket_type(s:current_char())
|
|
|
|
|
endif
|
|
|
|
|
endwhile
|
|
|
|
|
|
|
|
|
|
if bracket_count == 0
|
|
|
|
|
" Check if this is part of a multiline string
|
|
|
|
|
call cursor(lnum, 1)
|
|
|
|
|
if s:syn_id_name() !~? '\vstring|regex'
|
|
|
|
|
call cursor(orig_lnum, orig_col)
|
|
|
|
|
return indent(lnum)
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
endwhile
|
|
|
|
|
|
|
|
|
|
call cursor(orig_lnum, orig_col)
|
|
|
|
|
return indent
|
2014-07-10 21:05:51 -07:00
|
|
|
|
endfunction
|
|
|
|
|
|
|
|
|
|
setlocal indentexpr=GetClojureIndent()
|
|
|
|
|
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
" In case we have searchpairpos not available we fall back to
|
|
|
|
|
" normal lisp indenting.
|
|
|
|
|
setlocal indentexpr=
|
|
|
|
|
setlocal lisp
|
|
|
|
|
let b:undo_indent .= '| setlocal lisp<'
|
|
|
|
|
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
let &cpo = s:save_cpo
|
|
|
|
|
unlet! s:save_cpo
|
|
|
|
|
|
|
|
|
|
" vim:sts=8:sw=8:ts=8:noet
|