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/** @file
Internal Function and Macro defintions for IFR Expression evaluation used in Ifr Parsing. This header file should only
be included by UefiIfrParserExpression.c and UefiIfrParser.c
Copyright (c) 2008 - 2010, Intel Corporation. All rights reserved.<BR>
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 _HII_THUNK_UEFI_IFR_PARSER_EXPRESSION_
#define _HII_THUNK_UEFI_IFR_PARSER_EXPRESSION_
/**
Reset stack pointer to begin of the stack.
**/
VOID
ResetScopeStack (
VOID
);
/**
Push an Operand onto the Stack
@param Operand Operand to push.
@retval EFI_SUCCESS The value was pushed onto the stack.
@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
stack.
**/
EFI_STATUS
PushScope (
IN UINT8 Operand
);
/**
Pop an Operand from the Stack
@param Operand Operand to pop.
@retval EFI_SUCCESS The value was pushed onto the stack.
@retval EFI_OUT_OF_RESOURCES There is not enough system memory to grow the
stack.
**/
EFI_STATUS
PopScope (
OUT UINT8 *Operand
);
/**
Zero extend integer/boolean/date/time to UINT64 for comparing.
@param Value HII Value to be converted.
@return None.
**/
VOID
ExtendValueToU64 (
IN EFI_HII_VALUE *Value
);
/**
Compare two Hii value.
@param Value1 Expression value to compare on left-hand
@param Value2 Expression value to compare on right-hand
@param HiiHandle Only required for string compare
@retval EFI_INVALID_PARAMETER Could not perform comparation on two values
@retval 0 Two operators equeal
@retval 0 Value1 is greater than Value2
@retval 0 Value1 is less than Value2
**/
INTN
CompareHiiValue (
IN EFI_HII_VALUE *Value1,
IN EFI_HII_VALUE *Value2,
IN EFI_HII_HANDLE HiiHandle OPTIONAL
);
#endif
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