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" 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
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