Add Vim indent file.

Author: blackwinter

misc/vim/indent/metafacture-fix.vim

@@ -0,0 +1,38 @@
+" Only load this indent file when no other was loaded yet.
+if exists("b:did_indent")
+  finish
+endif
+let b:did_indent = 1
+
+setlocal indentexpr=GetMetafactureFixIndent()
+setlocal indentkeys+=0=do,0=if,0=unless,0=elsif,0=else,0=end
+
+let b:undo_indent = "setlocal indentexpr< indentkeys<"
+
+if exists("*GetMetafactureFixIndent")
+  finish
+endif
+
+function! GetMetafactureFixIndent()
+  let lnum = prevnonblank(v:lnum - 1)
+
+  if lnum == 0
+    return 0
+  endif
+
+  if synIDattr(synID(v:lnum, 1, 1), "name") =~ '^fixComment*'
+    return indent(v:lnum)
+  endif
+
+  let new_indent = indent(lnum)
+
+  if getline(lnum) =~ '^\s*\(\(do\|if\|unless\|elsif\)\>\|else$\)\|($'
+    let new_indent += shiftwidth()
+  endif
+
+  if getline(v:lnum) =~ '^\s*\(elsif\>\|\(else\|end\|)\)$\)'
+    let new_indent -= shiftwidth()
+  endif
+
+  return new_indent
+endfunction

misc/vim/syntax/metafacture-fix.vim

@@ -19,6 +19,8 @@ syn region fixDoubleQuotedString start=/\v"/ skip=/\v\\./ end=/\v"/
 syn region fixIfBlock start="if" end="end" fold transparent
 syn region fixSingleQuotedString start=/\v'/ skip=/\v\\./ end=/\v'/
 
+syn sync ccomment fixCommentRegion
+
 hi link fixBareString String
 hi link fixBind Keyword
 hi link fixComment Comment