" Vim syntax file
" Language:	Procmail definition file
" Maintainer:	vacancy [posted by Sonia Heimann, but she didn't feel like
"		maintaining this]
" Last Change:	2001 Jan 15

" Quit when a syntax file was already loaded
if exists("b:current_syntax")
  finish
endif

syn match   procmailComment      "#.*$" contains=procmailTodo
syn keyword   procmailTodo      contained Todo TBD

syn region  procmailString       start=+"+  skip=+\\"+  end=+"+

syn region procmailVarDeclRegion start="^\s*[a-zA-Z0-9_]\+\s*="hs=e-1 skip=+\\$+ end=+$+ contains=procmailVar,procmailVarDecl,procmailString
syn match procmailVarDecl contained "^\s*[a-zA-Z0-9_]\+"
syn match procmailVar "$[a-zA-Z0-9_]\+"

syn match procmailCondition contained "^\s*\*.*"

syn match procmailActionFolder contained "^\s*[-_a-zA-Z/]\+"
syn match procmailActionVariable contained "^\s*$[a-zA-Z_]\+"
syn region procmailActionForward start=+^\s*!+ skip=+\\$+ end=+$+
syn region procmailActionPipe start=+^\s*|+ skip=+\\$+ end=+$+
syn region procmailActionNested start=+^\s*{+ end=+^\s*}+ contains=procmailRecipe,procmailComment,procmailVarDeclRegion

syn region procmailRecipe start=+^\s*:.*$+ end=+^\s*\($\|}\)+me=e-1 contains=procmailComment,procmailCondition,procmailActionFolder,procmailActionVariable,procmailActionForward,procmailActionPipe,procmailActionNested,procmailVarDeclRegion

" The default highlighting.
hi def link procmailComment	Comment
hi def link procmailTodo	Todo

hi def link procmailRecipe	Statement
"hi def link procmailCondition   Statement

hi def link procmailActionFolder procmailAction
hi def link procmailActionVariable procmailAction
hi def link procmailActionForward procmailAction
hi def link procmailActionPipe	procmailAction
hi def link procmailAction	Function
hi def link procmailVar		Identifier
hi def link procmailVarDecl	Identifier

hi def link procmailString	String

let b:current_syntax = "procmail"

" vim: ts=8
