gistfile1.vimrc

nnoremap <silent> <Plug>select_cstyle_if :<C-u>call <SID>select_cstyle_if()<CR>

function! s:select_cstyle_if()  " {{{
  let orig_view = winsaveview()
  let if_start_pos = []
  while searchpair('{', '', '}', 'bW', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"') != 0
    let brace_start_pos = getpos('.')
    normal! ge
    let save = @"
    normal! yl
    let t = @"
    let @" = save
    if t == ')'
      "Block which needs () after keyword
      call searchpair('(', '', ')', 'bW', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"')
      normal! b
      let s = expand('<cword>')
      if s == 'if' || s == 'while' || s == 'for' || s == 'switch'
        let if_start_pos = getpos('.')
        break
      else
        "It may be function declaration
        normal! b
        let if_start_pos = getpos('.')
        break
      endif
    elseif expand('<cword>') == 'else'
      "Block which doesn't need () after keyword
      "elseはifごとコピーしたほうがいいのか？
      normal! b
      let if_start_pos = getpos('.')
      break
    endif
  endwhile
  if if_start_pos == []
    echohl ErrorMsg
    echo "'if' not found"
    echohl None
    call winrestview(orig_view)
    return
  endif

  normal! m[
  call setpos('.', brace_start_pos)
  call searchpair('{', '', '}', 'W', 'synIDattr(synID(line("."), col("."), 0), "name") =~? "string"')
  normal! m]
  normal! `[v`]
endfunction " }}}
" example
"nmap <Space>if <Plug>select_cstyle_if
omap <silent> <Space>if :<C-U>call <SID>select_cstyle_if()<CR>

" vim: set fdm=marker :