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- " Vim indent file
- " Language: Vim script
- " Maintainer: Bram Moolenaar <Bram@vim.org>
- " Last Change: 2001 Aug 27
-
- " 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,0\\
-
- " Only define the function once.
- if exists("*GetVimIndent")
- finish
- endif
-
- 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, :function and :else.
- " Add it three times for a line that starts with '\' after a line that
- " doesn't.
- let ind = indent(lnum)
- if getline(v:lnum) =~ '^\s*\\' && v:lnum > 1 && getline(lnum) !~ '^\s*\\'
- let ind = ind + &sw * 3
- elseif getline(lnum) =~ '^\s*\(if\>\|wh\|fu\|el\)'
- let ind = ind + &sw
- endif
-
- " Subtract a 'shiftwidth' on a :endif, :endwhile, :endfun and :else.
- if getline(v:lnum) =~ '^\s*\(ene\@!\|el\)'
- let ind = ind - &sw
- endif
-
- return ind
- endfunction
-
- " vim:sw=2
-