| " Vim indent file |
| " Language: Vim script |
| " Maintainer: Bram Moolenaar <Bram@vim.org> |
| " Last Change: 2014 Dec 12 |
| |
| " Only load this indent file when no other was loaded. |
| if exists("b:did_indent") |
| finish |
| endif |
| let b:did_indent = 1 |
| |
| setlocal indentexpr=GetVimIndent() |
| setlocal indentkeys+==end,=else,=cat,=fina,=END,0\\ |
| |
| let b:undo_indent = "setl indentkeys< indentexpr<" |
| |
| " Only define the function once. |
| if exists("*GetVimIndent") |
| finish |
| endif |
| let s:keepcpo= &cpo |
| set cpo&vim |
| |
| function GetVimIndent() |
| let ignorecase_save = &ignorecase |
| try |
| let &ignorecase = 0 |
| return GetVimIndentIntern() |
| finally |
| let &ignorecase = ignorecase_save |
| endtry |
| endfunc |
| |
| function GetVimIndentIntern() |
| " Find a non-blank line above the current line. |
| let lnum = prevnonblank(v:lnum - 1) |
| |
| " If the current line doesn't start with '\' and below a line that starts |
| " with '\', use the indent of the line above it. |
| let cur_text = getline(v:lnum) |
| if cur_text !~ '^\s*\\' |
| while lnum > 0 && getline(lnum) =~ '^\s*\\' |
| let lnum = lnum - 1 |
| endwhile |
| endif |
| |
| " At the start of the file use zero indent. |
| if lnum == 0 |
| return 0 |
| endif |
| let prev_text = getline(lnum) |
| |
| " Add a 'shiftwidth' after :if, :while, :try, :catch, :finally, :function |
| " and :else. Add it three times for a line that starts with '\' after |
| " a line that doesn't (or g:vim_indent_cont if it exists). |
| let ind = indent(lnum) |
| if cur_text =~ '^\s*\\' && v:lnum > 1 && prev_text !~ '^\s*\\' |
| if exists("g:vim_indent_cont") |
| let ind = ind + g:vim_indent_cont |
| else |
| let ind = ind + &sw * 3 |
| endif |
| elseif prev_text =~ '^\s*aug\%[roup]' && prev_text !~ '^\s*aug\%[roup]\s*!\=\s\+END' |
| let ind = ind + &sw |
| else |
| " A line starting with :au does not increment/decrement indent. |
| if prev_text !~ '^\s*au\%[tocmd]' |
| let i = match(prev_text, '\(^\||\)\s*\(if\|wh\%[ile]\|for\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>') |
| if i >= 0 |
| let ind += &sw |
| if strpart(prev_text, i, 1) == '|' && has('syntax_items') |
| \ && synIDattr(synID(lnum, i, 1), "name") =~ '\(Comment\|String\)$' |
| let ind -= &sw |
| endif |
| endif |
| endif |
| endif |
| |
| " If the previous line contains an "end" after a pipe, but not in an ":au" |
| " command. And not when there is a backslash before the pipe. |
| " And when syntax HL is enabled avoid a match inside a string. |
| let i = match(prev_text, '[^\\]|\s*\(ene\@!\)') |
| if i > 0 && prev_text !~ '^\s*au\%[tocmd]' |
| if !has('syntax_items') || synIDattr(synID(lnum, i + 2, 1), "name") !~ '\(Comment\|String\)$' |
| let ind = ind - &sw |
| endif |
| endif |
| |
| |
| " Subtract a 'shiftwidth' on a :endif, :endwhile, :catch, :finally, :endtry, |
| " :endfun, :else and :augroup END. |
| if cur_text =~ '^\s*\(ene\@!\|cat\|fina\|el\|aug\%[roup]\s*!\=\s\+[eE][nN][dD]\)' |
| let ind = ind - &sw |
| endif |
| |
| return ind |
| endfunction |
| |
| let &cpo = s:keepcpo |
| unlet s:keepcpo |
| |
| " vim:sw=2 |