/usr/share/vim/vim74/indent
Edit: /usr/share/vim/vim74/indent/clojure.vim (12132B)
" Vim indent file
" Language: Clojure
" Author: Meikel Brandmeyer
" URL: http://kotka.de/projects/clojure/vimclojure.html
"
" Maintainer: Sung Pae
" URL: https://github.com/guns/vim-clojure-static
" License: Same as Vim
" Last Change: 30 January 2013
" Only load this indent file when no other was loaded.
if exists("b:did_indent")
finish
endif
let b:did_indent = 1
let s:save_cpo = &cpo
set cpo&vim
let b:undo_indent = 'setlocal autoindent< smartindent< lispwords< expandtab< softtabstop< shiftwidth< indentexpr< indentkeys<'
setlocal noautoindent nosmartindent
setlocal softtabstop=2 shiftwidth=2 expandtab
setlocal indentkeys=!,o,O
if exists("*searchpairpos")
if !exists('g:clojure_maxlines')
let g:clojure_maxlines = 100
endif
if !exists('g:clojure_fuzzy_indent')
let g:clojure_fuzzy_indent = 1
endif
if !exists('g:clojure_fuzzy_indent_patterns')
let g:clojure_fuzzy_indent_patterns = ['^with', '^def', '^let']
endif
if !exists('g:clojure_fuzzy_indent_blacklist')
let g:clojure_fuzzy_indent_blacklist = ['-fn$', '\v^with-%(meta|out-str|loading-context)$']
endif
if !exists('g:clojure_special_indent_words')
let g:clojure_special_indent_words = 'deftype,defrecord,reify,proxy,extend-type,extend-protocol,letfn'
endif
if !exists('g:clojure_align_multiline_strings')
let g:clojure_align_multiline_strings = 0
endif
function! s:SynIdName()
return synIDattr(synID(line("."), col("."), 0), "name")
endfunction
function! s:CurrentChar()
return getline('.')[col('.')-1]
endfunction
function! s:CurrentWord()
return getline('.')[col('.')-1 : searchpos('\v>', 'n', line('.'))[1]-2]
endfunction
function! s:IsParen()
return s:CurrentChar() =~ '\v[\(\)\[\]\{\}]' &&
\ s:SynIdName() !~? '\vstring|comment'
endfunction
" Returns 1 if string matches a pattern in 'patterns', which may be a
" list of patterns, or a comma-delimited string of implicitly anchored
" patterns.
function! s:MatchesOne(patterns, string)
let list = type(a:patterns) == type([])
\ ? a:patterns
\ : map(split(a:patterns, ','), '"^" . v:val . "$"')
for pat in list
if a:string =~ pat | return 1 | endif
endfor
endfunction
function! s:SavePosition()
let [ _b, l, c, _o ] = getpos(".")
let b = bufnr("%")
return [b, l, c]
endfunction
function! s:RestorePosition(value)
let [b, l, c] = a:value
if bufnr("%") != b
execute b "buffer!"
endif
call setpos(".", [0, l, c, 0])
endfunction
function! s:MatchPairs(open, close, stopat)
" Stop only on vector and map [ resp. {. Ignore the ones in strings and
" comments.
if a:stopat == 0
let stopat = max([line(".") - g:clojure_maxlines, 0])
else
let stopat = a:stopat
endif
let pos = searchpairpos(a:open, '', a:close, 'bWn', "!s:IsParen()", stopat)
return [pos[0], virtcol(pos)]
endfunction
function! s:ClojureCheckForStringWorker()
" Check whether there is the last character of the previous line is
" highlighted as a string. If so, we check whether it's a ". In this
" case we have to check also the previous character. The " might be the
" closing one. In case the we are still in the string, we search for the
" opening ". If this is not found we take the indent of the line.
let nb = prevnonblank(v:lnum - 1)
if nb == 0
return -1
endif
call cursor(nb, 0)
call cursor(0, col("$") - 1)
if s:SynIdName() !~? "string"
return -1
endif
" This will not work for a " in the first column...
if s:CurrentChar() == '"'
call cursor(0, col("$") - 2)
if s:SynIdName() !~? "string"
return -1
endif
if s:CurrentChar() != '\\'
return -1
endif
call cursor(0, col("$") - 1)
endif
let p = searchpos('\(^\|[^\\]\)\zs"', 'bW')
if p != [0, 0]
return p[1] - 1
endif
return indent(".")
endfunction
function! s:CheckForString()
let pos = s:SavePosition()
try
let val = s:ClojureCheckForStringWorker()
finally
call s:RestorePosition(pos)
endtry
return val
endfunction
function! s:ClojureIsMethodSpecialCaseWorker(position)
" Find the next enclosing form.
call search('\S', 'Wb')
" Special case: we are at a '(('.
if s:CurrentChar() == '('
return 0
endif
call cursor(a:position)
let nextParen = s:MatchPairs('(', ')', 0)
" Special case: we are now at toplevel.
if nextParen == [0, 0]
return 0
endif
call cursor(nextParen)
call search('\S', 'W')
if g:clojure_special_indent_words =~ '\<' . s:CurrentWord() . '\>'
return 1
endif
return 0
endfunction
function! s:IsMethodSpecialCase(position)
let pos = s:SavePosition()
try
let val = s:ClojureIsMethodSpecialCaseWorker(a:position)
finally
call s:RestorePosition(pos)
endtry
return val
endfunction
function! GetClojureIndent()
" Get rid of special case.
if line(".") == 1
return 0
endif
" We have to apply some heuristics here to figure out, whether to use
" normal lisp indenting or not.
let i = s:CheckForString()
if i > -1
return i + !!g:clojure_align_multiline_strings
endif
call cursor(0, 1)
" Find the next enclosing [ or {. We can limit the second search
" to the line, where the [ was found. If no [ was there this is
" zero and we search for an enclosing {.
let paren = s:MatchPairs('(', ')', 0)
let bracket = s:MatchPairs('\[', '\]', paren[0])
let curly = s:MatchPairs('{', '}', bracket[0])
" In case the curly brace is on a line later then the [ or - in
" case they are on the same line - in a higher column, we take the
" curly indent.
if curly[0] > bracket[0] || curly[1] > bracket[1]
if curly[0] > paren[0] || curly[1] > paren[1]
return curly[1]
endif
endif
" If the curly was not chosen, we take the bracket indent - if
" there was one.
if bracket[0] > paren[0] || bracket[1] > paren[1]
return bracket[1]
endif
" There are neither { nor [ nor (, ie. we are at the toplevel.
if paren == [0, 0]
return 0
endif
" Now we have to reimplement lispindent. This is surprisingly easy, as
" soon as one has access to syntax items.
"
" - Check whether we are in a special position after a word in
" g:clojure_special_indent_words. These are special cases.
" - Get the next keyword after the (.
" - If its first character is also a (, we have another sexp and align
" one column to the right of the unmatched (.
" - 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)
if s:IsMethodSpecialCase(paren)
return paren[1] + &shiftwidth - 1
endif
" In case we are at the last character, we use the paren position.
if col("$") - 1 == paren[1]
return paren[1]
endif
" In case after the paren is a whitespace, we search for the next word.
normal! l
if s:CurrentChar() == ' '
normal! w
endif
" If we moved to another line, there is no word after the (. We
" use the ( position for indent.
if line(".") > paren[0]
return paren[1]
endif
" We still have to check, whether the keyword starts with a (, [ or {.
" In that case we use the ( position for indent.
let w = s:CurrentWord()
if stridx('([{', w[0]) > -1
return paren[1]
endif
" Test words without namespace qualifiers and leading reader macro
" metacharacters.
"
" e.g. clojure.core/defn and #'defn should both indent like defn.
let ww = substitute(w, "\\v%(.*/|[#'`~@^,]*)(.*)", '\1', '')
if &lispwords =~ '\V\<' . ww . '\>'
return paren[1] + &shiftwidth - 1
endif
if g:clojure_fuzzy_indent
\ && !s:MatchesOne(g:clojure_fuzzy_indent_blacklist, ww)
\ && s:MatchesOne(g:clojure_fuzzy_indent_patterns, ww)
return paren[1] + &shiftwidth - 1
endif
normal! W
if paren[0] < line(".")
return paren[1] + &shiftwidth - 1
endif
normal! ge
return virtcol(".") + 1
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
" Specially indented symbols from clojure.core and clojure.test.
"
" Clojure symbols are indented in the defn style when they:
"
" * Define vars and anonymous functions
" * Create new lexical scopes or scopes with altered environments
" * Create conditional branches from a predicate function or value
"
" The arglists for these functions are generally in the form of [x & body];
" Functions that accept a flat list of forms do not treat the first argument
" specially and hence are not indented specially.
" Definitions
setlocal lispwords=
setlocal lispwords+=bound-fn
setlocal lispwords+=def
setlocal lispwords+=definline
setlocal lispwords+=definterface
setlocal lispwords+=defmacro
setlocal lispwords+=defmethod
setlocal lispwords+=defmulti
setlocal lispwords+=defn
setlocal lispwords+=defn-
setlocal lispwords+=defonce
setlocal lispwords+=defprotocol
setlocal lispwords+=defrecord
setlocal lispwords+=defstruct
setlocal lispwords+=deftest " clojure.test
setlocal lispwords+=deftest- " clojure.test
setlocal lispwords+=deftype
setlocal lispwords+=extend
setlocal lispwords+=extend-protocol
setlocal lispwords+=extend-type
setlocal lispwords+=fn
setlocal lispwords+=ns
setlocal lispwords+=proxy
setlocal lispwords+=reify
setlocal lispwords+=set-test " clojure.test
" Binding forms
setlocal lispwords+=as->
setlocal lispwords+=binding
setlocal lispwords+=doall
setlocal lispwords+=dorun
setlocal lispwords+=doseq
setlocal lispwords+=dotimes
setlocal lispwords+=doto
setlocal lispwords+=for
setlocal lispwords+=if-let
setlocal lispwords+=let
setlocal lispwords+=letfn
setlocal lispwords+=locking
setlocal lispwords+=loop
setlocal lispwords+=testing " clojure.test
setlocal lispwords+=when-first
setlocal lispwords+=when-let
setlocal lispwords+=with-bindings
setlocal lispwords+=with-in-str
setlocal lispwords+=with-local-vars
setlocal lispwords+=with-open
setlocal lispwords+=with-precision
setlocal lispwords+=with-redefs
setlocal lispwords+=with-redefs-fn
setlocal lispwords+=with-test " clojure.test
" Conditional branching
setlocal lispwords+=case
setlocal lispwords+=cond->
setlocal lispwords+=cond->>
setlocal lispwords+=condp
setlocal lispwords+=if
setlocal lispwords+=if-not
setlocal lispwords+=when
setlocal lispwords+=when-not
setlocal lispwords+=while
" Exception handling
setlocal lispwords+=catch
setlocal lispwords+=try " For aesthetics when enclosing single line
let &cpo = s:save_cpo
unlet! s:save_cpo
" vim:sts=4 sw=4 et: