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- " Vim indent file
- " Language: Vim script
- " Maintainer: Bram Moolenaar <Bram@vim.org>
- " Last Change: 2012 May 20
-
- " 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()
- " 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.
- if getline(v:lnum) !~ '^\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
-
- " 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 getline(v:lnum) =~ '^\s*\\' && v:lnum > 1 && getline(lnum) !~ '^\s*\\'
- if exists("g:vim_indent_cont")
- let ind = ind + g:vim_indent_cont
- else
- let ind = ind + &sw * 3
- endif
- elseif getline(lnum) =~ '^\s*aug\%[roup]' && getline(lnum) !~ '^\s*aug\%[roup]\s*!\=\s\+END'
- let ind = ind + &sw
- else
- let line = getline(lnum)
- let i = match(line, '\(^\||\)\s*\(if\|wh\%[ile]\|for\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>')
- if i >= 0
- let ind += &sw
- if strpart(line, i, 1) == '|' && has('syntax_items')
- \ && synIDattr(synID(lnum, i, 1), "name") =~ '\(Comment\|String\)$'
- let ind -= &sw
- 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 line = getline(lnum)
- let i = match(line, '[^\\]|\s*\(ene\@!\)')
- if i > 0 && line !~ '^\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 getline(v:lnum) =~ '^\s*\(ene\@!\|cat\|fina\|el\|aug\%[roup]\s*!\=\s\+END\)'
- let ind = ind - &sw
- endif
-
- return ind
- endfunction
-
- let &cpo = s:keepcpo
- unlet s:keepcpo
-
- " vim:sw=2
-