" Vim syntax file
" Language:	Procmail definition file
" Maintainer:	Melchior FRANZ <mfranz@aon.at>
" Last Change:	2003 Aug 14
" Author:	Sonia Heimann

" 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  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-Z0-9/]\+"
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

" Define the default highlighting.
" Only when an item doesn't have highlighting yet

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