1 /*++ 2 3 Copyright (c) 2004, Intel Corporation. All rights reserved.<BR> 4 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 EfiDepex.h 14 15 Abstract: 16 This include file is only used in *.DXS files. Do not use this 17 include file in normal DXE code. 18 19 Depex - Dependency Expresion 20 21 The BNF grammar is thus: 22 <depex> ::= before GUID 23 | after GUID 24 | SOR <bool> 25 | <bool> 26 <bool> ::= <bool> and <term> 27 | <bool> or <term> 28 | <term> 29 <term> ::= not <factor> 30 | <factor> 31 <factor> ::= <bool> 32 | <boolval> 33 | <depinst> 34 | <termval> 35 <boolval> ::= true 36 | false 37 <depinst> ::= push GUID 38 <termval> ::= end 39 40 --*/ 41 42 #ifndef _EFI_DEPEX_H_ 43 #define _EFI_DEPEX_H_ 44 45 #include "Tiano.h" 46 47 // 48 // The Depex grammer needs the string "TRUE" and "FALSE" we must 49 // undo any pre-processor redefinitions 50 // 51 #undef TRUE 52 #undef FALSE 53 54 #endif 55