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Diffstat (limited to 'MdePkg/Include/DxeDepex.h')
-rw-r--r-- | MdePkg/Include/DxeDepex.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/MdePkg/Include/DxeDepex.h b/MdePkg/Include/DxeDepex.h new file mode 100644 index 0000000000..e91f35083d --- /dev/null +++ b/MdePkg/Include/DxeDepex.h @@ -0,0 +1,58 @@ +/** @file
+ Include file for DXE Dependency Expression *.DXS file.
+
+ This include file is only for Dependency Expression *.DXS files and
+ should not be include directly in modules.
+
+ DEPEX (DEPendency EXpresion) BNF Grammer for DXE:
+ The BNF grammar is thus:
+<pre>
+ <depex> ::= before GUID
+ | after GUID
+ | SOR <bool>
+ | <bool>
+ <bool> ::= <bool> and <term>
+ | <bool> or <term>
+ | <term>
+ <term> ::= not <factor>
+ | <factor>
+ <factor> ::= <bool>
+ | <boolval>
+ | <depinst>
+ | <termval>
+ <boolval> ::= true
+ | false
+ <depinst> ::= push GUID
+ <termval> ::= end
+</pre>
+
+Copyright (c) 2006, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef __DXE_DEPEX_H__
+#define __DXE_DEPEX_H__
+
+//
+// The Depex grammer needs the following strings so we must undo
+// any pre-processor redefinitions
+//
+#undef DEPENDENCY_START
+#undef BEFORE
+#undef AFTER
+#undef SOR
+#undef AND
+#undef OR
+#undef NOT
+#undef TRUE
+#undef FALSE
+#undef DEPENDENCY_END
+
+#endif
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