if polyglot#init#is_disabled(expand('<sfile>:p'), 'objc', 'after/indent/objc.vim')
finish
endif
" Vim indent file
" Language: Objective-C
" Maintainer: Bjorn Winckler <bjorn.winckler@gmail.com>
" Last Change: 2012 Jan 01
" Ensure 'cpo' is set to Vim default values and restore later
let s:save_cpo = &cpo
set cpo&vim
" Only load this indent file when no other was loaded.
"if exists("b:did_indent")
" finish
"endif
"let b:did_indent = 1
"setlocal cindent
setl indentkeys=0{,0},:,0#,!^F,o,O,e,<:>
setlocal indentexpr=GetObjCIndentImproved()
" Top level statements which should not be indented, and which should not
" cause next (non-blank) line to be indented either.
let s:topLev = '^\s*@\%(class\|end\|implementation\|interface\|protocol\|\)\>'
function! GetObjCIndentImproved()
" NOTE: Ignore leading white space to avoid having to deal with space vs.
" tab issues. Rely on the indent() function instead.
let thisLine = substitute(getline(v:lnum), '^\s*', '', '')
if thisLine =~# s:topLev || getline(prevnonblank(v:lnum - 1)) =~# s:topLev
return 0
endif
" If current line looks like an argument to a message dispatch, then line
" up colon with previous line. This will indent the second line so that
" the colons line up in
"
" [obj firstParameter:value
" paramB:value2];
"
" but it will not line up colons in
"
" if ([obj something:here])
" [obj other:here];
"
let thisColon = match(thisLine, '^\s*\K\k*\zs:')
if thisColon > 0
let prevLine = substitute(getline(v:lnum - 1), '^\s*', '', '')
let prevColon = match(prevLine, ':')
if prevColon > 0
" Try to align colons, always making sure line is indented at least
" one shiftwidth more than the indentation at the beginning of the
" message. Avoids situations like this:
"
" if ([obj a:x
" aLongParameter:y])
"
let [lnum,lcol] = searchpairpos('\[', '', '\]', 'b', 0,
\ max([1, v:lnum - 10]))
let minInd = &sw + (lnum > 0 ? indent(lnum) : 0)
let alignedInd = indent(v:lnum - 1) + prevColon - thisColon
return alignedInd > minInd ? alignedInd : minInd
endif
endif
let prevLnum = v:lnum - 1
let ind = indent(prevLnum)
" Indent one shiftwidth after opening block, e.g.:
"
" call_func_with_block(param, ^{
" do_stuff();
" });
"
let blockPat = '\^\s*\(([^)]*)\)\?\s*{$'
if thisLine =~ '^}'
norm '^%'
if getline(".") =~ blockPat
return indent(".")
endif
endif
if getline(prevLnum) =~ blockPat
return ind + &sw
endif
return cindent(v:lnum)
endfunction
" Restore 'cpo' options
let &cpo = s:save_cpo
unlet s:save_cpo
