EdkModulePkg/Include/EdkPeimDepex.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13   EdkPeimDepex.h
  14
  15 Abstract:
  16   This include file is only used in *.DXS files. Do not use this
  17   include file in normal Peim code.
  18
  19   Depex - Dependency Expresion
  20
  21   The BNF grammar is thus:
  22      <depex>   ::= <bool>
  23      <bool>    ::= <bool> and <term>
  24                  | <bool> or <term>
  25                  | <term>
  26      <term>    ::= not <factor>
  27                  | <factor>
  28      <factor>  ::= <bool>
  29                  | <boolval>
  30                  | <depinst>
  31                  | <termval>
  32      <boolval> ::= true
  33                  | false
  34      <depinst> ::= push GUID
  35      <termval> ::= end
  36
  37 --*/
  38
  39 #ifndef __EDK_PEIM_DEPEX_H__
  40 #define __EDK_PEIM_DEPEX_H__
  41
  42 #include <EdkPeim.h>
  43
  44 //
  45 // The Depex grammer needs the following strings so we must undo
  46 // any pre-processor redefinitions
  47 //
  48 #undef DEPENDENCY_START
  49 #undef AND
  50 #undef OR
  51 #undef NOT
  52 #undef TRUE
  53 #undef FALSE
  54 #undef DEPENDENCY_END
  55
  56 #endif