1 files changed, 65 insertions, 0 deletions
diff --git a/runtime/indent/vim.vim b/runtime/indent/vim.vim
new file mode 100644
index 000000000..0de77748c
--- /dev/null
+++ b/runtime/indent/vim.vim
@@ -0,0 +1,65 @@
+" Vim indent file
+" Language:	Vim script
+" Maintainer:	Bram Moolenaar <Bram@vim.org>
+" Last Change:	2003 May 25
+
+" 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\\
+
+" 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, :try, :catch, :finally, :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*\(if\|wh\%[ile]\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>'
+    let ind = ind + &sw
+  elseif getline(lnum) =~ '^\s*aug\%[roup]' && getline(lnum) !~ '^\s*aug\%[roup]\s*!\=\s\+END'
+    let ind = ind + &sw
+  endif
+
+  " If the previous line contains an "end" after a pipe, but not in an ":au"
+  " command.
+  if getline(lnum) =~ '|\s*\(ene\@!\)' && getline(lnum) !~ '^\s*au\%[tocmd]'
+    let ind = ind - &sw
+  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
+
+" vim:sw=2