From 7f05fa00f73038b425002566d3afe6c3ade2ccdb Mon Sep 17 00:00:00 2001
From: Guo Mang <mang.guo@intel.com>
Date: Thu, 22 Dec 2016 15:55:38 +0800
Subject: MdeModulePkg: Move to new location

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
---
 MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c | 2728 ---------------------
 1 file changed, 2728 deletions(-)
 delete mode 100644 MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c

(limited to 'MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c')

diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c b/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
deleted file mode 100644
index 8e8607d4c0..0000000000
--- a/MdeModulePkg/Universal/SetupBrowserDxe/IfrParse.c
+++ /dev/null
@@ -1,2728 +0,0 @@
-/** @file
-Parser for IFR binary encoding.
-
-Copyright (c) 2007 - 2015, 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.
-
-**/
-
-#include "Setup.h"
-
-UINT16           mStatementIndex;
-UINT16           mExpressionOpCodeIndex;
-EFI_QUESTION_ID  mUsedQuestionId;
-extern LIST_ENTRY      gBrowserStorageList;
-/**
-  Initialize Statement header members.
-
-  @param  OpCodeData             Pointer of the raw OpCode data.
-  @param  FormSet                Pointer of the current FormSe.
-  @param  Form                   Pointer of the current Form.
-
-  @return The Statement.
-
-**/
-FORM_BROWSER_STATEMENT *
-CreateStatement (
-  IN UINT8                        *OpCodeData,
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  FORM_BROWSER_STATEMENT    *Statement;
-  EFI_IFR_STATEMENT_HEADER  *StatementHdr;
-  INTN                      ConditionalExprCount; 
-
-  if (Form == NULL) {
-    //
-    // Only guid op may out side the form level.
-    //
-    ASSERT (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP);
-  }
-
-  Statement = &FormSet->StatementBuffer[mStatementIndex];
-  mStatementIndex++;
-
-  InitializeListHead (&Statement->DefaultListHead);
-  InitializeListHead (&Statement->OptionListHead);
-  InitializeListHead (&Statement->InconsistentListHead);
-  InitializeListHead (&Statement->NoSubmitListHead);
-  InitializeListHead (&Statement->WarningListHead);
-
-  Statement->Signature = FORM_BROWSER_STATEMENT_SIGNATURE;
-
-  Statement->Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
-  Statement->OpCode  = (EFI_IFR_OP_HEADER *) OpCodeData;
-
-  StatementHdr = (EFI_IFR_STATEMENT_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
-  CopyMem (&Statement->Prompt, &StatementHdr->Prompt, sizeof (EFI_STRING_ID));
-  CopyMem (&Statement->Help, &StatementHdr->Help, sizeof (EFI_STRING_ID));
-
-  ConditionalExprCount = GetConditionalExpressionCount(ExpressStatement);
-  if (ConditionalExprCount > 0) {
-    //
-    // Form is inside of suppressif
-    //
-    
-    Statement->Expression = (FORM_EXPRESSION_LIST *) AllocatePool( 
-                                             (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
-    ASSERT (Statement->Expression != NULL);
-    Statement->Expression->Count     = (UINTN) ConditionalExprCount;
-    Statement->Expression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
-    CopyMem (Statement->Expression->Expression, GetConditionalExpressionList(ExpressStatement), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
-  }
-
-  //
-  // Insert this Statement into current Form
-  //
-  if (Form == NULL) {
-    InsertTailList (&FormSet->StatementListOSF, &Statement->Link);
-  } else {
-    InsertTailList (&Form->StatementListHead, &Statement->Link);
-  }
-  return Statement;
-}
-
-/**
-  Convert a numeric value to a Unicode String and insert it to String Package.
-  This string is used as the Unicode Name for the EFI Variable. This is to support
-  the deprecated vareqval opcode.
-
-  @param FormSet        The FormSet.
-  @param Statement      The numeric question whose VarStoreInfo.VarName is the
-                        numeric value which is used to produce the Unicode Name
-                        for the EFI Variable.
-
-  If the Statement is NULL, the ASSERT.
-  If the opcode is not Numeric, then ASSERT.
-
-  @retval EFI_SUCCESS The funtion always succeeds.
-**/
-EFI_STATUS
-UpdateCheckBoxStringToken (
-  IN CONST FORM_BROWSER_FORMSET *FormSet,
-  IN       FORM_BROWSER_STATEMENT *Statement
-  )
-{
-  CHAR16                  Str[MAXIMUM_VALUE_CHARACTERS];
-  EFI_STRING_ID           Id;
-
-  ASSERT (Statement != NULL);
-  ASSERT (Statement->Operand == EFI_IFR_NUMERIC_OP);
-
-  UnicodeValueToString (Str, 0, Statement->VarStoreInfo.VarName, MAXIMUM_VALUE_CHARACTERS - 1);
-
-  Id = HiiSetString (FormSet->HiiHandle, 0, Str, NULL);
-  if (Id == 0) {
-    return EFI_OUT_OF_RESOURCES;
-  }
-
-  Statement->VarStoreInfo.VarName = Id;
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Check if the next opcode is the EFI_IFR_EXTEND_OP_VAREQNAME.
-
-  @param OpCodeData     The current opcode.
-
-  @retval TRUE Yes.
-  @retval FALSE No.
-**/
-BOOLEAN
-IsNextOpCodeGuidedVarEqName (
-  IN UINT8 *OpCodeData
-  )
-{
-  //
-  // Get next opcode
-  //
-  OpCodeData += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-  if (*OpCodeData == EFI_IFR_GUID_OP) {
-    if (CompareGuid (&gEfiIfrFrameworkGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER)))) {
-      //
-      // Specific GUIDed opcodes to support IFR generated from Framework HII VFR
-      //
-      if ((((EFI_IFR_GUID_VAREQNAME *) OpCodeData)->ExtendOpCode) == EFI_IFR_EXTEND_OP_VAREQNAME) {
-        return TRUE;
-      }
-    }
-  }
-
-  return FALSE;
-}
-
-/**
-  Initialize Question's members.
-
-  @param  OpCodeData             Pointer of the raw OpCode data.
-  @param  FormSet                Pointer of the current FormSet.
-  @param  Form                   Pointer of the current Form.
-
-  @return The Question.
-
-**/
-FORM_BROWSER_STATEMENT *
-CreateQuestion (
-  IN UINT8                        *OpCodeData,
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  FORM_BROWSER_STATEMENT   *Statement;
-  EFI_IFR_QUESTION_HEADER  *QuestionHdr;
-  LIST_ENTRY               *Link;
-  FORMSET_STORAGE          *Storage;
-  NAME_VALUE_NODE          *NameValueNode;
-  EFI_STATUS               Status;
-  BOOLEAN                  Find;
-
-  Statement = CreateStatement (OpCodeData, FormSet, Form);
-  if (Statement == NULL) {
-    return NULL;
-  }
-
-  QuestionHdr = (EFI_IFR_QUESTION_HEADER *) (OpCodeData + sizeof (EFI_IFR_OP_HEADER));
-  CopyMem (&Statement->QuestionId, &QuestionHdr->QuestionId, sizeof (EFI_QUESTION_ID));
-  CopyMem (&Statement->VarStoreId, &QuestionHdr->VarStoreId, sizeof (EFI_VARSTORE_ID));
-  CopyMem (&Statement->VarStoreInfo.VarOffset, &QuestionHdr->VarStoreInfo.VarOffset, sizeof (UINT16));
-
-  Statement->QuestionFlags = QuestionHdr->Flags;
-
-  if (Statement->VarStoreId == 0) {
-    //
-    // VarStoreId of zero indicates no variable storage
-    //
-    return Statement;
-  }
-
-  //
-  // Take a look at next OpCode to see whether it is a GUIDed opcode to support
-  // Framework Compatibility
-  //
-  if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {
-    if ((*OpCodeData == EFI_IFR_NUMERIC_OP) && IsNextOpCodeGuidedVarEqName (OpCodeData)) {
-      Status = UpdateCheckBoxStringToken (FormSet, Statement);
-      if (EFI_ERROR (Status)) {
-        return NULL;
-      }
-    }
-  }
-
-  //
-  // Find Storage for this Question
-  //
-  Link = GetFirstNode (&FormSet->StorageListHead);
-  while (!IsNull (&FormSet->StorageListHead, Link)) {
-    Storage = FORMSET_STORAGE_FROM_LINK (Link);
-
-    if (Storage->VarStoreId == Statement->VarStoreId) {
-      Statement->Storage = Storage->BrowserStorage;
-      break;
-    }
-
-    Link = GetNextNode (&FormSet->StorageListHead, Link);
-  }
-  ASSERT (Statement->Storage != NULL);
-
-  //
-  // Initialilze varname for Name/Value or EFI Variable
-  //
-  if ((Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) ||
-      (Statement->Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
-    Statement->VariableName = GetToken (Statement->VarStoreInfo.VarName, FormSet->HiiHandle);
-    ASSERT (Statement->VariableName != NULL);
-
-    if (Statement->Storage->Type == EFI_HII_VARSTORE_NAME_VALUE) {
-      //
-      // Check whether old string node already exist.
-      //
-      Find = FALSE;
-      if (!IsListEmpty(&Statement->Storage->NameValueListHead)) {  
-        Link = GetFirstNode (&Statement->Storage->NameValueListHead);
-        while (!IsNull (&Statement->Storage->NameValueListHead, Link)) {
-          NameValueNode = NAME_VALUE_NODE_FROM_LINK (Link);
-
-          if (StrCmp (Statement->VariableName, NameValueNode->Name) == 0) {
-            Find = TRUE;
-            break;
-          }
-
-          Link = GetNextNode (&Statement->Storage->NameValueListHead, Link);
-        }
-      }
-
-      if (!Find) {
-        //
-        // Insert to Name/Value varstore list
-        //
-        NameValueNode = AllocateZeroPool (sizeof (NAME_VALUE_NODE));
-        ASSERT (NameValueNode != NULL);
-        NameValueNode->Signature = NAME_VALUE_NODE_SIGNATURE;
-        NameValueNode->Name = AllocateCopyPool (StrSize (Statement->VariableName), Statement->VariableName);
-        ASSERT (NameValueNode->Name != NULL);
-        NameValueNode->Value = AllocateZeroPool (0x10);
-        ASSERT (NameValueNode->Value != NULL);
-        NameValueNode->EditValue = AllocateZeroPool (0x10);
-        ASSERT (NameValueNode->EditValue != NULL);
-
-        InsertTailList (&Statement->Storage->NameValueListHead, &NameValueNode->Link);
-      }
-    }
-  }
-
-  return Statement;
-}
-
-
-/**
-  Allocate a FORM_EXPRESSION node.
-
-  @param  Form                   The Form associated with this Expression
-  @param  OpCode                 The binary opcode data.
-
-  @return Pointer to a FORM_EXPRESSION data structure.
-
-**/
-FORM_EXPRESSION *
-CreateExpression (
-  IN OUT FORM_BROWSER_FORM        *Form,
-  IN     UINT8                    *OpCode
-  )
-{
-  FORM_EXPRESSION  *Expression;
-
-  Expression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
-  ASSERT (Expression != NULL);
-  Expression->Signature = FORM_EXPRESSION_SIGNATURE;
-  InitializeListHead (&Expression->OpCodeListHead);
-  Expression->OpCode = (EFI_IFR_OP_HEADER *) OpCode;
-
-  return Expression;
-}
-
-/**
-  Create ConfigHdr string for a storage.
-
-  @param  FormSet                Pointer of the current FormSet
-  @param  Storage                Pointer of the storage
-
-  @retval EFI_SUCCESS            Initialize ConfigHdr success
-
-**/
-EFI_STATUS
-InitializeConfigHdr (
-  IN FORM_BROWSER_FORMSET  *FormSet,
-  IN OUT FORMSET_STORAGE   *Storage
-  )
-{
-  CHAR16      *Name;
-
-  if (Storage->BrowserStorage->Type == EFI_HII_VARSTORE_BUFFER || 
-      Storage->BrowserStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
-    Name = Storage->BrowserStorage->Name;
-  } else {
-    Name = NULL;
-  }
-
-  Storage->ConfigHdr = HiiConstructConfigHdr (
-                         &Storage->BrowserStorage->Guid,
-                         Name,
-                         FormSet->DriverHandle
-                         );
-
-  if (Storage->ConfigHdr == NULL) {
-    return EFI_NOT_FOUND;
-  }
-
-  return EFI_SUCCESS;
-}
-
-/**
-  Find the global storage link base on the input storate type, name and guid.
-
-  For EFI_HII_VARSTORE_EFI_VARIABLE and EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER,
-  same guid + name = same storage
-
-  For EFI_HII_VARSTORE_NAME_VALUE:
-  same guid + HiiHandle = same storage
-
-  For EFI_HII_VARSTORE_BUFFER:
-  same guid + name + HiiHandle = same storage
-
-  @param  StorageType                Storage type.
-  @param  StorageGuid                Storage guid.
-  @param  StorageName                Storage Name.
-  @param  HiiHandle                  HiiHandle for this varstore.
-
-  @return Pointer to a GLOBAL_STORAGE data structure.
-
-**/
-BROWSER_STORAGE *
-FindStorageInList (
-  IN UINT8                 StorageType,
-  IN EFI_GUID              *StorageGuid,
-  IN CHAR16                *StorageName,
-  IN EFI_HII_HANDLE        HiiHandle
-  )
-{
-  LIST_ENTRY       *Link;
-  BROWSER_STORAGE  *BrowserStorage;
-
-  Link  = GetFirstNode (&gBrowserStorageList);
-  while (!IsNull (&gBrowserStorageList, Link)) {
-    BrowserStorage = BROWSER_STORAGE_FROM_LINK (Link);
-    Link = GetNextNode (&gBrowserStorageList, Link);
-
-    if ((BrowserStorage->Type == StorageType) && CompareGuid (&BrowserStorage->Guid, StorageGuid)) {
-      if (StorageType == EFI_HII_VARSTORE_NAME_VALUE) {
-        if (BrowserStorage->HiiHandle == HiiHandle) {
-          return BrowserStorage;
-        }
-
-        continue;
-      }
-
-      ASSERT (StorageName != NULL);
-      if (StrCmp (BrowserStorage->Name, StorageName) == 0) {
-        if (StorageType == EFI_HII_VARSTORE_EFI_VARIABLE || StorageType == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
-          return BrowserStorage;
-        } else if (StorageType == EFI_HII_VARSTORE_BUFFER && BrowserStorage->HiiHandle == HiiHandle) {
-          return BrowserStorage;
-        }
-      }
-    }
-  }
-
-  return NULL;
-}
-
-/**
-  Intialize the Global Storage.
-
-  @param  BrowserStorage              Pointer to the global storage.
-  @param  StorageType                Storage type.
-  @param  OpCodeData                 Binary data for this opcode.
-
-**/
-VOID
-IntializeBrowserStorage (
-  IN BROWSER_STORAGE       *BrowserStorage,
-  IN UINT8                 StorageType,
-  IN UINT8                 *OpCodeData
-  )
-{
-  switch (StorageType) {
-    case EFI_HII_VARSTORE_BUFFER:
-      CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE *) OpCodeData)->Guid, sizeof (EFI_GUID));
-      CopyMem (&BrowserStorage->Size, &((EFI_IFR_VARSTORE *) OpCodeData)->Size, sizeof (UINT16));
-
-      BrowserStorage->Buffer     = AllocateZeroPool (BrowserStorage->Size);
-      BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);
-      break;
-
-    case EFI_HII_VARSTORE_EFI_VARIABLE:
-    case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:
-      CopyMem (&BrowserStorage->Guid,       &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid,       sizeof (EFI_GUID));
-      CopyMem (&BrowserStorage->Attributes, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Attributes, sizeof (UINT32));
-      CopyMem (&BrowserStorage->Size,       &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Size,       sizeof (UINT16));
-
-      if (StorageType ==  EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
-        BrowserStorage->Buffer     = AllocateZeroPool (BrowserStorage->Size);
-        BrowserStorage->EditBuffer = AllocateZeroPool (BrowserStorage->Size);
-      }
-      break;
-
-    case EFI_HII_VARSTORE_NAME_VALUE:
-      CopyMem (&BrowserStorage->Guid, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid, sizeof (EFI_GUID));
-
-      InitializeListHead (&BrowserStorage->NameValueListHead);
-      break;
-
-    default:
-      break;
-  }
-}
-
-/**
-  Check whether exist device path info in the ConfigHdr string.
-
-  @param  String                 UEFI configuration string
-
-  @retval TRUE                   Device Path exist.
-  @retval FALSE                  Not exist device path info.
-
-**/
-BOOLEAN
-IsDevicePathExist (
-  IN  EFI_STRING                   String
-  )
-{
-  UINTN                    Length;
-
-  for (; (*String != 0 && StrnCmp (String, L"PATH=", StrLen (L"PATH=")) != 0); String++);
-  if (*String == 0) {
-    return FALSE;
-  }
-
-  String += StrLen (L"PATH=");
-  if (*String == 0) {
-    return FALSE;
-  }
-
-  for (Length = 0; *String != 0 && *String != L'&'; String++, Length++);
-  if (((Length + 1) / 2) < sizeof (EFI_DEVICE_PATH_PROTOCOL)) {
-    return FALSE;
-  }
-
-  return TRUE;
-}
-
-/**
-  Allocate a FORMSET_STORAGE data structure and insert to FormSet Storage List.
-
-  @param  FormSet                    Pointer of the current FormSet
-  @param  StorageType                Storage type.
-  @param  OpCodeData                 Binary data for this opcode.
-
-  @return Pointer to a FORMSET_STORAGE data structure.
-
-**/
-FORMSET_STORAGE *
-CreateStorage (
-  IN FORM_BROWSER_FORMSET  *FormSet,
-  IN UINT8                 StorageType,
-  IN UINT8                 *OpCodeData
-  )
-{
-  FORMSET_STORAGE         *Storage;
-  CHAR16                  *UnicodeString;
-  UINT16                  Index;
-  BROWSER_STORAGE         *BrowserStorage;
-  EFI_GUID                *StorageGuid;
-  CHAR8                   *StorageName;
-
-  UnicodeString = NULL;
-  StorageName   = NULL;
-  switch (StorageType) {
-    case EFI_HII_VARSTORE_BUFFER:
-      StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE *) OpCodeData)->Guid;
-      StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE *) OpCodeData)->Name;
-      break;
-
-    case EFI_HII_VARSTORE_EFI_VARIABLE:
-    case EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER:
-      StorageGuid = (EFI_GUID *) (CHAR8*) &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Guid;
-      StorageName = (CHAR8 *) ((EFI_IFR_VARSTORE_EFI *) OpCodeData)->Name;
-      break;
-
-    default:
-      ASSERT (StorageType == EFI_HII_VARSTORE_NAME_VALUE);
-      StorageGuid = &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->Guid;
-      break;
-  }
-
-  if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {
-    ASSERT (StorageName != NULL);
-
-    UnicodeString = AllocateZeroPool (AsciiStrSize (StorageName) * 2);
-    ASSERT (UnicodeString != NULL);
-    for (Index = 0; StorageName[Index] != 0; Index++) {
-      UnicodeString[Index] = (CHAR16) StorageName[Index];
-    }
-  }
-
-  Storage = AllocateZeroPool (sizeof (FORMSET_STORAGE));
-  ASSERT (Storage != NULL);
-  Storage->Signature = FORMSET_STORAGE_SIGNATURE;
-  InsertTailList (&FormSet->StorageListHead, &Storage->Link);
-
-  BrowserStorage = FindStorageInList(StorageType, StorageGuid, UnicodeString, FormSet->HiiHandle);
-  if (BrowserStorage == NULL) {
-    BrowserStorage = AllocateZeroPool (sizeof (BROWSER_STORAGE));
-    ASSERT (BrowserStorage != NULL);
-
-    BrowserStorage->Signature = BROWSER_STORAGE_SIGNATURE;
-    InsertTailList (&gBrowserStorageList, &BrowserStorage->Link);
-
-    IntializeBrowserStorage (BrowserStorage, StorageType, OpCodeData);
-    BrowserStorage->Type = StorageType;
-    if (StorageType != EFI_HII_VARSTORE_NAME_VALUE) {
-      BrowserStorage->Name = UnicodeString;
-    }
-
-    BrowserStorage->HiiHandle = FormSet->HiiHandle;
-
-    BrowserStorage->Initialized = FALSE;
-  }
-
-  Storage->BrowserStorage = BrowserStorage;
-  InitializeConfigHdr (FormSet, Storage);
-  Storage->ConfigRequest = AllocateCopyPool (StrSize (Storage->ConfigHdr), Storage->ConfigHdr);
-  Storage->SpareStrLen = 0;
-
-  return Storage;
-}
-
-/**
-  Get Formset_storage base on the input varstoreid info.
-
-  @param  FormSet                Pointer of the current FormSet.
-  @param  VarStoreId             Varstore ID info.
-
-  @return Pointer to a FORMSET_STORAGE data structure.
-
-**/
-FORMSET_STORAGE *
-GetFstStgFromVarId (
-  IN FORM_BROWSER_FORMSET  *FormSet,
-  IN EFI_VARSTORE_ID       VarStoreId
-  )
-{
-  FORMSET_STORAGE  *FormsetStorage;
-  LIST_ENTRY       *Link;
-  BOOLEAN          Found;
-
-  Found = FALSE;
-  FormsetStorage = NULL;
-  //
-  // Find Formset Storage for this Question
-  //
-  Link = GetFirstNode (&FormSet->StorageListHead);
-  while (!IsNull (&FormSet->StorageListHead, Link)) {
-    FormsetStorage = FORMSET_STORAGE_FROM_LINK (Link);
-
-    if (FormsetStorage->VarStoreId == VarStoreId) {
-      Found = TRUE;
-      break;
-    }
-
-    Link = GetNextNode (&FormSet->StorageListHead, Link);
-  }
-
-  return Found ? FormsetStorage : NULL;
-}
-
-/**
-  Get Formset_storage base on the input browser storage.
-
-  More than one formsets may share the same browser storage,
-  this function just get the first formset storage which
-  share the browser storage.
-
-  @param  Storage              browser storage info.
-
-  @return Pointer to a FORMSET_STORAGE data structure.
-  
-
-**/
-FORMSET_STORAGE *
-GetFstStgFromBrsStg (
-  IN BROWSER_STORAGE       *Storage
-  )
-{
-  FORMSET_STORAGE      *FormsetStorage;
-  LIST_ENTRY           *Link;
-  LIST_ENTRY           *FormsetLink;
-  FORM_BROWSER_FORMSET *FormSet;
-  BOOLEAN              Found;
-
-  Found = FALSE;
-  FormsetStorage = NULL;
-
-  FormsetLink = GetFirstNode (&gBrowserFormSetList);
-  while (!IsNull (&gBrowserFormSetList, FormsetLink)) {
-    FormSet = FORM_BROWSER_FORMSET_FROM_LINK (FormsetLink);
-    FormsetLink = GetNextNode (&gBrowserFormSetList, FormsetLink);
-
-    Link = GetFirstNode (&FormSet->StorageListHead);
-    while (!IsNull (&FormSet->StorageListHead, Link)) {
-      FormsetStorage = FORMSET_STORAGE_FROM_LINK (Link);
-      Link = GetNextNode (&FormSet->StorageListHead, Link);
-
-      if (FormsetStorage->BrowserStorage == Storage) {
-        Found = TRUE;
-        break;
-      }
-    }
-
-    if (Found) {
-      break;
-    }
-  }
-
-  return Found ? FormsetStorage : NULL;
-}
-
-/**
-  Initialize Request Element of a Question. <RequestElement> ::= '&'<BlockName> | '&'<Label>
-
-  @param  FormSet                Pointer of the current FormSet.
-  @param  Question               The Question to be initialized.
-  @param  Form                   Pointer of the current form.
-
-  @retval EFI_SUCCESS            Function success.
-  @retval EFI_INVALID_PARAMETER  No storage associated with the Question.
-
-**/
-EFI_STATUS
-InitializeRequestElement (
-  IN OUT FORM_BROWSER_FORMSET     *FormSet,
-  IN OUT FORM_BROWSER_STATEMENT   *Question,
-  IN OUT FORM_BROWSER_FORM        *Form
-  )
-{
-  BROWSER_STORAGE  *Storage;
-  FORMSET_STORAGE  *FormsetStorage;
-  UINTN            StrLen;
-  UINTN            StringSize;
-  CHAR16           *NewStr;
-  CHAR16           RequestElement[30];
-  LIST_ENTRY       *Link;
-  BOOLEAN          Find;
-  FORM_BROWSER_CONFIG_REQUEST  *ConfigInfo;
-  UINTN            MaxLen;
-
-  Storage = Question->Storage;
-  if (Storage == NULL) {
-    return EFI_INVALID_PARAMETER;
-  }
-
-  if (Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE) {
-    //
-    // <ConfigRequest> is unnecessary for EFI variable storage,
-    // GetVariable()/SetVariable() will be used to retrieve/save values
-    //
-    return EFI_SUCCESS;
-  }
-
-  //
-  // Prepare <RequestElement>
-  //
-  if (Storage->Type == EFI_HII_VARSTORE_BUFFER || 
-      Storage->Type == EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER) {
-    StrLen = UnicodeSPrint (
-               RequestElement,
-               30 * sizeof (CHAR16),
-               L"&OFFSET=%04x&WIDTH=%04x",
-               Question->VarStoreInfo.VarOffset,
-               Question->StorageWidth
-               );
-    HiiToLower(RequestElement);
-    Question->BlockName = AllocateCopyPool ((StrLen + 1) * sizeof (CHAR16), RequestElement);
-  } else {
-    StrLen = UnicodeSPrint (RequestElement, 30 * sizeof (CHAR16), L"&%s", Question->VariableName);
-  }
-
-  if ((Question->Operand == EFI_IFR_PASSWORD_OP) && ((Question->QuestionFlags & EFI_IFR_FLAG_CALLBACK) == EFI_IFR_FLAG_CALLBACK)) {
-    //
-    // Password with CALLBACK flag is stored in encoded format,
-    // so don't need to append it to <ConfigRequest>
-    //
-    return EFI_SUCCESS;
-  }
-
-  //
-  // Find Formset Storage for this Question
-  //
-  FormsetStorage = GetFstStgFromVarId(FormSet, Question->VarStoreId);
-  ASSERT (FormsetStorage != NULL);
-  StringSize = (FormsetStorage->ConfigRequest != NULL) ? StrSize (FormsetStorage->ConfigRequest) : sizeof (CHAR16);
-  MaxLen = StringSize / sizeof (CHAR16) + FormsetStorage->SpareStrLen;
-
-  //
-  // Append <RequestElement> to <ConfigRequest>
-  //
-  if (StrLen > FormsetStorage->SpareStrLen) {
-    //
-    // Old String buffer is not sufficient for RequestElement, allocate a new one
-    //
-    MaxLen = StringSize / sizeof (CHAR16) + CONFIG_REQUEST_STRING_INCREMENTAL;
-    NewStr = AllocateZeroPool (MaxLen * sizeof (CHAR16));
-    ASSERT (NewStr != NULL);
-    if (FormsetStorage->ConfigRequest != NULL) {
-      CopyMem (NewStr, FormsetStorage->ConfigRequest, StringSize);
-      FreePool (FormsetStorage->ConfigRequest);
-    }
-    FormsetStorage->ConfigRequest = NewStr;
-    FormsetStorage->SpareStrLen   = CONFIG_REQUEST_STRING_INCREMENTAL;
-  }
-
-  StrCatS (FormsetStorage->ConfigRequest, MaxLen, RequestElement);
-  FormsetStorage->ElementCount++;
-  FormsetStorage->SpareStrLen -= StrLen;
-
-  //
-  // Update the Config Request info saved in the form.
-  //
-  ConfigInfo = NULL;
-  Find       = FALSE;
-  Link = GetFirstNode (&Form->ConfigRequestHead);
-  while (!IsNull (&Form->ConfigRequestHead, Link)) {
-    ConfigInfo = FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link);
-
-    if (ConfigInfo != NULL && ConfigInfo->Storage == FormsetStorage->BrowserStorage) {
-      Find = TRUE;
-      break;
-    }
-
-    Link = GetNextNode (&Form->ConfigRequestHead, Link);
-  }
-
-  if (!Find) {
-    ConfigInfo = AllocateZeroPool(sizeof (FORM_BROWSER_CONFIG_REQUEST));
-    ASSERT (ConfigInfo != NULL);
-    ConfigInfo->Signature     = FORM_BROWSER_CONFIG_REQUEST_SIGNATURE;
-    ConfigInfo->ConfigRequest = AllocateCopyPool (StrSize (FormsetStorage->ConfigHdr), FormsetStorage->ConfigHdr);
-    ASSERT (ConfigInfo->ConfigRequest != NULL);
-    ConfigInfo->SpareStrLen   = 0;
-    ConfigInfo->Storage       = FormsetStorage->BrowserStorage;
-    InsertTailList(&Form->ConfigRequestHead, &ConfigInfo->Link);
-  }
-  StringSize = (ConfigInfo->ConfigRequest != NULL) ? StrSize (ConfigInfo->ConfigRequest) : sizeof (CHAR16);
-  MaxLen = StringSize / sizeof (CHAR16) + ConfigInfo->SpareStrLen;
-
-  //
-  // Append <RequestElement> to <ConfigRequest>
-  //
-  if (StrLen > ConfigInfo->SpareStrLen) {
-    //
-    // Old String buffer is not sufficient for RequestElement, allocate a new one
-    //
-    MaxLen = StringSize / sizeof (CHAR16) + CONFIG_REQUEST_STRING_INCREMENTAL;
-    NewStr = AllocateZeroPool (MaxLen * sizeof (CHAR16));
-    ASSERT (NewStr != NULL);
-    if (ConfigInfo->ConfigRequest != NULL) {
-      CopyMem (NewStr, ConfigInfo->ConfigRequest, StringSize);
-      FreePool (ConfigInfo->ConfigRequest);
-    }
-    ConfigInfo->ConfigRequest = NewStr;
-    ConfigInfo->SpareStrLen   = CONFIG_REQUEST_STRING_INCREMENTAL;
-  }
-
-  StrCatS (ConfigInfo->ConfigRequest, MaxLen, RequestElement);
-  ConfigInfo->ElementCount++;
-  ConfigInfo->SpareStrLen -= StrLen;
-  return EFI_SUCCESS;
-}
-
-
-/**
-  Free resources of a Expression.
-
-  @param  FormSet                Pointer of the Expression
-
-**/
-VOID
-DestroyExpression (
-  IN FORM_EXPRESSION   *Expression
-  )
-{
-  LIST_ENTRY         *Link;
-  EXPRESSION_OPCODE  *OpCode;
-  LIST_ENTRY         *SubExpressionLink;
-  FORM_EXPRESSION    *SubExpression;
-
-  while (!IsListEmpty (&Expression->OpCodeListHead)) {
-    Link = GetFirstNode (&Expression->OpCodeListHead);
-    OpCode = EXPRESSION_OPCODE_FROM_LINK (Link);
-    RemoveEntryList (&OpCode->Link);
-
-    if (OpCode->ValueList != NULL) {
-      FreePool (OpCode->ValueList);
-    }
-
-    if (OpCode->ValueName != NULL) {
-      FreePool (OpCode->ValueName);
-    }
-
-    if (OpCode->MapExpressionList.ForwardLink != NULL) {
-      while (!IsListEmpty (&OpCode->MapExpressionList)) {
-        SubExpressionLink = GetFirstNode(&OpCode->MapExpressionList);
-        SubExpression     = FORM_EXPRESSION_FROM_LINK (SubExpressionLink);
-        RemoveEntryList(&SubExpression->Link);
-        DestroyExpression (SubExpression);
-      }
-    }
-  }
-
-  //
-  // Free this Expression
-  //
-  FreePool (Expression);
-}
-
-/**
-  Free resources of a storage.
-
-  @param  Storage                Pointer of the storage
-
-**/
-VOID
-DestroyStorage (
-  IN FORMSET_STORAGE   *Storage
-  )
-{
-  if (Storage == NULL) {
-    return;
-  }
-
-  if (Storage->ConfigRequest != NULL) {
-    FreePool (Storage->ConfigRequest);
-  }
-
-  FreePool (Storage);
-}
-
-
-/**
-  Free resources of a Statement.
-
-  @param  FormSet                Pointer of the FormSet
-  @param  Statement              Pointer of the Statement
-
-**/
-VOID
-DestroyStatement (
-  IN     FORM_BROWSER_FORMSET    *FormSet,
-  IN OUT FORM_BROWSER_STATEMENT  *Statement
-  )
-{
-  LIST_ENTRY        *Link;
-  QUESTION_DEFAULT  *Default;
-  QUESTION_OPTION   *Option;
-  FORM_EXPRESSION   *Expression;
-
-  //
-  // Free Default value List
-  //
-  while (!IsListEmpty (&Statement->DefaultListHead)) {
-    Link = GetFirstNode (&Statement->DefaultListHead);
-    Default = QUESTION_DEFAULT_FROM_LINK (Link);
-    RemoveEntryList (&Default->Link);
-
-    if (Default->Value.Buffer != NULL) {
-      FreePool (Default->Value.Buffer);
-    }
-    FreePool (Default);
-  }
-
-  //
-  // Free Options List
-  //
-  while (!IsListEmpty (&Statement->OptionListHead)) {
-    Link = GetFirstNode (&Statement->OptionListHead);
-    Option = QUESTION_OPTION_FROM_LINK (Link);
-    if (Option->SuppressExpression != NULL) {
-      FreePool (Option->SuppressExpression);
-    }
-    RemoveEntryList (&Option->Link);
-
-    FreePool (Option);
-  }
-
-  //
-  // Free Inconsistent List
-  //
-  while (!IsListEmpty (&Statement->InconsistentListHead)) {
-    Link = GetFirstNode (&Statement->InconsistentListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free NoSubmit List
-  //
-  while (!IsListEmpty (&Statement->NoSubmitListHead)) {
-    Link = GetFirstNode (&Statement->NoSubmitListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free WarningIf List
-  //
-  while (!IsListEmpty (&Statement->WarningListHead)) {
-    Link = GetFirstNode (&Statement->WarningListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  if (Statement->Expression != NULL) {
-    FreePool (Statement->Expression);
-  }
-
-  if (Statement->VariableName != NULL) {
-    FreePool (Statement->VariableName);
-  }
-  if (Statement->BlockName != NULL) {
-    FreePool (Statement->BlockName);
-  }
-  if (Statement->BufferValue != NULL) {
-    FreePool (Statement->BufferValue);
-  }
-  if (Statement->Operand == EFI_IFR_STRING_OP || Statement->Operand == EFI_IFR_PASSWORD_OP) {
-    DeleteString(Statement->HiiValue.Value.string, FormSet->HiiHandle);
-  }
-}
-
-
-/**
-  Free resources of a Form.
-
-  @param  FormSet                Pointer of the FormSet
-  @param  Form                   Pointer of the Form.
-
-**/
-VOID
-DestroyForm (
-  IN     FORM_BROWSER_FORMSET  *FormSet,
-  IN OUT FORM_BROWSER_FORM     *Form
-  )
-{
-  LIST_ENTRY              *Link;
-  FORM_EXPRESSION         *Expression;
-  FORM_BROWSER_STATEMENT  *Statement;
-  FORM_BROWSER_CONFIG_REQUEST  *ConfigInfo;
-
-  //
-  // Free Form Expressions
-  //
-  while (!IsListEmpty (&Form->ExpressionListHead)) {
-    Link = GetFirstNode (&Form->ExpressionListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free Statements/Questions
-  //
-  while (!IsListEmpty (&Form->StatementListHead)) {
-    Link = GetFirstNode (&Form->StatementListHead);
-    Statement = FORM_BROWSER_STATEMENT_FROM_LINK (Link);
-    RemoveEntryList (&Statement->Link);
-
-    DestroyStatement (FormSet, Statement);
-  }
-
-  //
-  // Free ConfigRequest string.
-  //
-  while (!IsListEmpty (&Form->ConfigRequestHead)) {
-    Link = GetFirstNode (&Form->ConfigRequestHead);
-    ConfigInfo = FORM_BROWSER_CONFIG_REQUEST_FROM_LINK (Link);
-    RemoveEntryList (&ConfigInfo->Link);
-
-    FreePool (ConfigInfo->ConfigRequest);
-    FreePool (ConfigInfo);
-  }
-
-  if (Form->SuppressExpression != NULL) {
-    FreePool (Form->SuppressExpression);
-  }
-
-  UiFreeMenuList (&Form->FormViewListHead);
-
-  //
-  // Free this Form
-  //
-  FreePool (Form);
-}
-
-
-/**
-  Free resources allocated for a FormSet.
-
-  @param  FormSet                Pointer of the FormSet
-
-**/
-VOID
-DestroyFormSet (
-  IN OUT FORM_BROWSER_FORMSET  *FormSet
-  )
-{
-  LIST_ENTRY            *Link;
-  FORMSET_STORAGE       *Storage;
-  FORMSET_DEFAULTSTORE  *DefaultStore;
-  FORM_EXPRESSION       *Expression;
-  FORM_BROWSER_FORM     *Form;
-
-  if (FormSet->IfrBinaryData == NULL) {
-    //
-    // Uninitialized FormSet
-    //
-    FreePool (FormSet);
-    return;
-  }
-
-  //
-  // Free IFR binary buffer
-  //
-  FreePool (FormSet->IfrBinaryData);
-
-  //
-  // Free FormSet Storage
-  //
-  if (FormSet->StorageListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->StorageListHead)) {
-      Link = GetFirstNode (&FormSet->StorageListHead);
-      Storage = FORMSET_STORAGE_FROM_LINK (Link);
-      RemoveEntryList (&Storage->Link);
-
-      DestroyStorage (Storage);
-    }
-  }
-
-  //
-  // Free FormSet Default Store
-  //
-  if (FormSet->DefaultStoreListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->DefaultStoreListHead)) {
-      Link = GetFirstNode (&FormSet->DefaultStoreListHead);
-      DefaultStore = FORMSET_DEFAULTSTORE_FROM_LINK (Link);
-      RemoveEntryList (&DefaultStore->Link);
-
-      FreePool (DefaultStore);
-    }
-  }
-
-  //
-  // Free Formset Expressions
-  //
-  while (!IsListEmpty (&FormSet->ExpressionListHead)) {
-    Link = GetFirstNode (&FormSet->ExpressionListHead);
-    Expression = FORM_EXPRESSION_FROM_LINK (Link);
-    RemoveEntryList (&Expression->Link);
-
-    DestroyExpression (Expression);
-  }
-
-  //
-  // Free Forms
-  //
-  if (FormSet->FormListHead.ForwardLink != NULL) {
-    while (!IsListEmpty (&FormSet->FormListHead)) {
-      Link = GetFirstNode (&FormSet->FormListHead);
-      Form = FORM_BROWSER_FORM_FROM_LINK (Link);
-      RemoveEntryList (&Form->Link);
-
-      DestroyForm (FormSet, Form);
-    }
-  }
-
-  if (FormSet->StatementBuffer != NULL) {
-    FreePool (FormSet->StatementBuffer);
-  }
-  if (FormSet->ExpressionBuffer != NULL) {
-    FreePool (FormSet->ExpressionBuffer);
-  }
-
-  FreePool (FormSet);
-}
-
-
-/**
-  Tell whether this Operand is an Expression OpCode or not
-
-  @param  Operand                Operand of an IFR OpCode.
-
-  @retval TRUE                   This is an Expression OpCode.
-  @retval FALSE                  Not an Expression OpCode.
-
-**/
-BOOLEAN
-IsExpressionOpCode (
-  IN UINT8              Operand
-  )
-{
-  if (((Operand >= EFI_IFR_EQ_ID_VAL_OP) && (Operand <= EFI_IFR_NOT_OP)) ||
-      ((Operand >= EFI_IFR_MATCH_OP) && (Operand <= EFI_IFR_SET_OP))  ||
-      ((Operand >= EFI_IFR_EQUAL_OP) && (Operand <= EFI_IFR_SPAN_OP)) ||
-      (Operand == EFI_IFR_CATENATE_OP) ||
-      (Operand == EFI_IFR_TO_LOWER_OP) ||
-      (Operand == EFI_IFR_TO_UPPER_OP) ||
-      (Operand == EFI_IFR_MAP_OP)      ||
-      (Operand == EFI_IFR_VERSION_OP)  ||
-      (Operand == EFI_IFR_SECURITY_OP) ||
-      (Operand == EFI_IFR_MATCH2_OP)) {
-    return TRUE;
-  } else {
-    return FALSE;
-  }
-}
-
-/**
-  Tell whether this Operand is an Statement OpCode.
-
-  @param  Operand                Operand of an IFR OpCode.
-
-  @retval TRUE                   This is an Statement OpCode.
-  @retval FALSE                  Not an Statement OpCode.
-
-**/
-BOOLEAN
-IsStatementOpCode (
-  IN UINT8              Operand
-  )
-{
-  if ((Operand == EFI_IFR_SUBTITLE_OP) ||
-      (Operand == EFI_IFR_TEXT_OP) ||
-      (Operand == EFI_IFR_RESET_BUTTON_OP) ||
-      (Operand == EFI_IFR_REF_OP) ||
-      (Operand == EFI_IFR_ACTION_OP) ||
-      (Operand == EFI_IFR_NUMERIC_OP) ||
-      (Operand == EFI_IFR_ORDERED_LIST_OP) ||
-      (Operand == EFI_IFR_CHECKBOX_OP) ||
-      (Operand == EFI_IFR_STRING_OP) ||
-      (Operand == EFI_IFR_PASSWORD_OP) ||
-      (Operand == EFI_IFR_DATE_OP) ||
-      (Operand == EFI_IFR_TIME_OP) ||
-      (Operand == EFI_IFR_GUID_OP) ||
-      (Operand == EFI_IFR_ONE_OF_OP)) {
-    return TRUE;
-  } else {
-    return FALSE;
-  }
-}
-
-/**
-  Tell whether this Operand is an known OpCode.
-
-  @param  Operand                Operand of an IFR OpCode.
-
-  @retval TRUE                   This is an Statement OpCode.
-  @retval FALSE                  Not an Statement OpCode.
-
-**/
-BOOLEAN
-IsUnKnownOpCode (
-  IN UINT8              Operand
-  )
-{
-  return Operand > EFI_IFR_MATCH2_OP ? TRUE : FALSE;
-}
-
-/**
-  Calculate number of Statemens(Questions) and Expression OpCodes.
-
-  @param  FormSet                The FormSet to be counted.
-  @param  NumberOfStatement      Number of Statemens(Questions)
-  @param  NumberOfExpression     Number of Expression OpCodes
-
-**/
-VOID
-CountOpCodes (
-  IN  FORM_BROWSER_FORMSET  *FormSet,
-  IN OUT  UINT16            *NumberOfStatement,
-  IN OUT  UINT16            *NumberOfExpression
-  )
-{
-  UINT16  StatementCount;
-  UINT16  ExpressionCount;
-  UINT8   *OpCodeData;
-  UINTN   Offset;
-  UINTN   OpCodeLen;
-
-  Offset = 0;
-  StatementCount = 0;
-  ExpressionCount = 0;
-
-  while (Offset < FormSet->IfrBinaryLength) {
-    OpCodeData = FormSet->IfrBinaryData + Offset;
-    OpCodeLen = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-    Offset += OpCodeLen;
-
-    if (IsExpressionOpCode (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode)) {
-      ExpressionCount++;
-    } else {
-      StatementCount++;
-    }
-  }
-
-  *NumberOfStatement = StatementCount;
-  *NumberOfExpression = ExpressionCount;
-}
-
-
-
-/**
-  Parse opcodes in the formset IFR binary.
-
-  @param  FormSet                Pointer of the FormSet data structure.
-
-  @retval EFI_SUCCESS            Opcode parse success.
-  @retval Other                  Opcode parse fail.
-
-**/
-EFI_STATUS
-ParseOpCodes (
-  IN FORM_BROWSER_FORMSET              *FormSet
-  )
-{
-  EFI_STATUS              Status;
-  FORM_BROWSER_FORM       *CurrentForm;
-  FORM_BROWSER_STATEMENT  *CurrentStatement;
-  FORM_BROWSER_STATEMENT  *ParentStatement;
-  EXPRESSION_OPCODE       *ExpressionOpCode;
-  FORM_EXPRESSION         *CurrentExpression;
-  UINT8                   Operand;
-  UINT8                   Scope;
-  UINTN                   OpCodeOffset;
-  UINTN                   OpCodeLength;
-  UINT8                   *OpCodeData;
-  UINT8                   ScopeOpCode;
-  FORMSET_STORAGE         *Storage;
-  FORMSET_DEFAULTSTORE    *DefaultStore;
-  QUESTION_DEFAULT        *CurrentDefault;
-  QUESTION_OPTION         *CurrentOption;
-  UINT8                   Width;
-  UINT16                  NumberOfStatement;
-  UINT16                  NumberOfExpression;
-  EFI_IMAGE_ID            *ImageId;
-  BOOLEAN                 SuppressForQuestion;
-  BOOLEAN                 SuppressForOption;
-  UINT16                  DepthOfDisable;
-  BOOLEAN                 OpCodeDisabled;
-  BOOLEAN                 SingleOpCodeExpression;
-  BOOLEAN                 InScopeDefault;
-  EFI_HII_VALUE           *Value;
-  EFI_IFR_FORM_MAP_METHOD *MapMethod;
-  UINT8                   MapScopeDepth;
-  LIST_ENTRY              *Link;
-  FORMSET_STORAGE         *VarStorage;
-  LIST_ENTRY              *MapExpressionList;
-  EFI_VARSTORE_ID         TempVarstoreId;
-  BOOLEAN                 InScopeDisable;
-  INTN                    ConditionalExprCount;
-  BOOLEAN                 InUnknownScope;
-  UINT8                   UnknownDepth;
-
-  SuppressForQuestion      = FALSE;
-  SuppressForOption        = FALSE;
-  InScopeDisable           = FALSE;
-  DepthOfDisable           = 0;
-  OpCodeDisabled           = FALSE;
-  SingleOpCodeExpression   = FALSE;
-  InScopeDefault           = FALSE;
-  CurrentExpression        = NULL;
-  CurrentDefault           = NULL;
-  CurrentOption            = NULL;
-  ImageId                  = NULL;
-  MapMethod                = NULL;
-  MapScopeDepth            = 0;
-  Link                     = NULL;
-  VarStorage               = NULL;
-  MapExpressionList        = NULL;
-  TempVarstoreId           = 0;
-  ConditionalExprCount     = 0;
-  InUnknownScope           = FALSE;
-  UnknownDepth             = 0;
-
-  //
-  // Get the number of Statements and Expressions
-  //
-  CountOpCodes (FormSet, &NumberOfStatement, &NumberOfExpression);
-
-  mStatementIndex = 0;
-  mUsedQuestionId = 1;
-  FormSet->StatementBuffer = AllocateZeroPool (NumberOfStatement * sizeof (FORM_BROWSER_STATEMENT));
-  if (FormSet->StatementBuffer == NULL) {
-    return EFI_OUT_OF_RESOURCES;
-  }
-
-  mExpressionOpCodeIndex = 0;
-  FormSet->ExpressionBuffer = AllocateZeroPool (NumberOfExpression * sizeof (EXPRESSION_OPCODE));
-  if (FormSet->ExpressionBuffer == NULL) {
-    return EFI_OUT_OF_RESOURCES;
-  }
-
-  InitializeListHead (&FormSet->StatementListOSF);
-  InitializeListHead (&FormSet->StorageListHead);
-  InitializeListHead (&FormSet->SaveFailStorageListHead);
-  InitializeListHead (&FormSet->DefaultStoreListHead);
-  InitializeListHead (&FormSet->FormListHead);
-  InitializeListHead (&FormSet->ExpressionListHead);
-  ResetCurrentExpressionStack ();
-  ResetMapExpressionListStack ();
-
-  CurrentForm = NULL;
-  CurrentStatement = NULL;
-  ParentStatement  = NULL;
-
-  ResetScopeStack ();
-
-  OpCodeOffset = 0;
-  while (OpCodeOffset < FormSet->IfrBinaryLength) {
-    OpCodeData = FormSet->IfrBinaryData + OpCodeOffset;
-
-    OpCodeLength = ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
-    OpCodeOffset += OpCodeLength;
-    Operand = ((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode;
-    Scope = ((EFI_IFR_OP_HEADER *) OpCodeData)->Scope;
-
-    if (InUnknownScope) {
-      if (Operand == EFI_IFR_END_OP) {
-        UnknownDepth --;
-
-        if (UnknownDepth == 0) {
-          InUnknownScope = FALSE;
-        }
-      } else {
-        if (Scope != 0) {
-          UnknownDepth ++;
-        }
-      }
-
-      continue;
-    }
-
-    if (IsUnKnownOpCode(Operand)) {
-      if (Scope != 0) {
-        InUnknownScope = TRUE;
-        UnknownDepth ++;
-      }
-
-      continue;
-    }
-
-    //
-    // If scope bit set, push onto scope stack
-    //
-    if (Scope != 0) {
-      PushScope (Operand);
-    }
-
-    if (OpCodeDisabled) {
-      //
-      // DisableIf Expression is evaluated to be TRUE, try to find its end.
-      // Here only cares the EFI_IFR_DISABLE_IF and EFI_IFR_END
-      //
-      if (Operand == EFI_IFR_DISABLE_IF_OP) {
-        DepthOfDisable++;
-      } else if (Operand == EFI_IFR_END_OP) {
-        Status = PopScope (&ScopeOpCode);
-        if (EFI_ERROR (Status)) {
-          return Status;
-        }
-
-        if (ScopeOpCode == EFI_IFR_DISABLE_IF_OP) {
-          if (DepthOfDisable == 0) {
-            InScopeDisable = FALSE;
-            OpCodeDisabled = FALSE;
-          } else {
-            DepthOfDisable--;
-          }
-        }
-      }
-      continue;
-    }
-
-    if (IsExpressionOpCode (Operand)) {
-      ExpressionOpCode = &FormSet->ExpressionBuffer[mExpressionOpCodeIndex];
-      mExpressionOpCodeIndex++;
-
-      ExpressionOpCode->Signature = EXPRESSION_OPCODE_SIGNATURE;
-      ExpressionOpCode->Operand = Operand;
-      Value = &ExpressionOpCode->Value;
-
-      switch (Operand) {
-      case EFI_IFR_EQ_ID_VAL_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        CopyMem (&Value->Value.u16, &((EFI_IFR_EQ_ID_VAL *) OpCodeData)->Value, sizeof (UINT16));
-        break;
-
-      case EFI_IFR_EQ_ID_ID_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId1, sizeof (EFI_QUESTION_ID));
-        CopyMem (&ExpressionOpCode->QuestionId2, &((EFI_IFR_EQ_ID_ID *) OpCodeData)->QuestionId2, sizeof (EFI_QUESTION_ID));
-        break;
-
-      case EFI_IFR_EQ_ID_VAL_LIST_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-        CopyMem (&ExpressionOpCode->ListLength, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->ListLength, sizeof (UINT16));
-        ExpressionOpCode->ValueList = AllocateCopyPool (ExpressionOpCode->ListLength * sizeof (UINT16), &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->ValueList);
-        break;
-
-      case EFI_IFR_TO_STRING_OP:
-      case EFI_IFR_FIND_OP:
-        ExpressionOpCode->Format = (( EFI_IFR_TO_STRING *) OpCodeData)->Format;
-        break;
-
-      case EFI_IFR_STRING_REF1_OP:
-        Value->Type = EFI_IFR_TYPE_STRING;
-        CopyMem (&Value->Value.string, &(( EFI_IFR_STRING_REF1 *) OpCodeData)->StringId, sizeof (EFI_STRING_ID));
-        break;
-
-      case EFI_IFR_RULE_REF_OP:
-        ExpressionOpCode->RuleId = (( EFI_IFR_RULE_REF *) OpCodeData)->RuleId;
-        break;
-
-      case EFI_IFR_SPAN_OP:
-        ExpressionOpCode->Flags = (( EFI_IFR_SPAN *) OpCodeData)->Flags;
-        break;
-
-      case EFI_IFR_THIS_OP:
-        ASSERT (ParentStatement != NULL);
-        ExpressionOpCode->QuestionId = ParentStatement->QuestionId;
-        break;
-
-      case EFI_IFR_SECURITY_OP:
-        CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_SECURITY *) OpCodeData)->Permissions, sizeof (EFI_GUID));
-        break;
-
-      case EFI_IFR_MATCH2_OP:
-        CopyMem (&ExpressionOpCode->Guid, &((EFI_IFR_MATCH2 *) OpCodeData)->SyntaxType, sizeof (EFI_GUID));
-        break;
-
-      case EFI_IFR_GET_OP:
-      case EFI_IFR_SET_OP:
-        CopyMem (&TempVarstoreId, &((EFI_IFR_GET *) OpCodeData)->VarStoreId, sizeof (TempVarstoreId));
-        if (TempVarstoreId != 0) {
-          if (FormSet->StorageListHead.ForwardLink != NULL) {
-            Link = GetFirstNode (&FormSet->StorageListHead);
-            while (!IsNull (&FormSet->StorageListHead, Link)) {
-              VarStorage = FORMSET_STORAGE_FROM_LINK (Link);
-              if (VarStorage->VarStoreId == ((EFI_IFR_GET *) OpCodeData)->VarStoreId) {
-                ExpressionOpCode->VarStorage = VarStorage->BrowserStorage;
-                break;
-              }
-              Link = GetNextNode (&FormSet->StorageListHead, Link);
-            }
-          }
-          if (ExpressionOpCode->VarStorage == NULL) {
-            //
-            // VarStorage is not found.
-            //
-            return EFI_INVALID_PARAMETER;
-          }
-        }
-        ExpressionOpCode->ValueType = ((EFI_IFR_GET *) OpCodeData)->VarStoreType;
-        switch (ExpressionOpCode->ValueType) {
-        case EFI_IFR_TYPE_BOOLEAN:
-        case EFI_IFR_TYPE_NUM_SIZE_8: 
-          ExpressionOpCode->ValueWidth = 1;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_16:
-        case EFI_IFR_TYPE_STRING:
-          ExpressionOpCode->ValueWidth = 2;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_32:
-          ExpressionOpCode->ValueWidth = 4;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_64:
-          ExpressionOpCode->ValueWidth = 8;
-          break;
-
-        case EFI_IFR_TYPE_DATE:
-          ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_DATE);
-          break;
-
-        case EFI_IFR_TYPE_TIME:
-          ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_TIME);
-          break;
-
-        case EFI_IFR_TYPE_REF:
-          ExpressionOpCode->ValueWidth = (UINT8) sizeof (EFI_IFR_REF);
-          break;
-
-        case EFI_IFR_TYPE_OTHER:
-        case EFI_IFR_TYPE_UNDEFINED:
-        case EFI_IFR_TYPE_ACTION:
-        case EFI_IFR_TYPE_BUFFER:
-        default:
-          //
-          // Invalid value type for Get/Set opcode.
-          //
-          return EFI_INVALID_PARAMETER;
-        }
-        CopyMem (&ExpressionOpCode->VarStoreInfo.VarName,   &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarName,   sizeof (EFI_STRING_ID));
-        CopyMem (&ExpressionOpCode->VarStoreInfo.VarOffset, &((EFI_IFR_GET *) OpCodeData)->VarStoreInfo.VarOffset, sizeof (UINT16));
-        if ((ExpressionOpCode->VarStorage != NULL) && 
-            (ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_NAME_VALUE || 
-             ExpressionOpCode->VarStorage->Type == EFI_HII_VARSTORE_EFI_VARIABLE)) {
-          ExpressionOpCode->ValueName = GetToken (ExpressionOpCode->VarStoreInfo.VarName, FormSet->HiiHandle);
-          if (ExpressionOpCode->ValueName == NULL) {
-            //
-            // String ID is invalid.
-            //
-            return EFI_INVALID_PARAMETER;
-          }
-        }
-        break;
-
-      case EFI_IFR_QUESTION_REF1_OP:
-        CopyMem (&ExpressionOpCode->QuestionId, &((EFI_IFR_EQ_ID_VAL_LIST *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-        break;
-
-      case EFI_IFR_QUESTION_REF3_OP:
-        if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_2)) {
-          CopyMem (&ExpressionOpCode->DevicePath, &(( EFI_IFR_QUESTION_REF3_2 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
-
-          if (OpCodeLength >= sizeof (EFI_IFR_QUESTION_REF3_3)) {
-            CopyMem (&ExpressionOpCode->Guid, &(( EFI_IFR_QUESTION_REF3_3 *) OpCodeData)->Guid, sizeof (EFI_GUID));
-          }
-        }
-        break;
-
-      //
-      // constant
-      //
-      case EFI_IFR_TRUE_OP:
-        Value->Type = EFI_IFR_TYPE_BOOLEAN;
-        Value->Value.b = TRUE;
-        break;
-
-      case EFI_IFR_FALSE_OP:
-        Value->Type = EFI_IFR_TYPE_BOOLEAN;
-        Value->Value.b = FALSE;
-        break;
-
-      case EFI_IFR_ONE_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = 1;
-        break;
-
-      case EFI_IFR_ZERO_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = 0;
-        break;
-
-      case EFI_IFR_ONES_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        Value->Value.u64 = 0xffffffffffffffffULL;
-        break;
-
-      case EFI_IFR_UINT8_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        Value->Value.u8 = (( EFI_IFR_UINT8 *) OpCodeData)->Value;
-        break;
-
-      case EFI_IFR_UINT16_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        CopyMem (&Value->Value.u16, &(( EFI_IFR_UINT16 *) OpCodeData)->Value, sizeof (UINT16));
-        break;
-
-      case EFI_IFR_UINT32_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
-        CopyMem (&Value->Value.u32, &(( EFI_IFR_UINT32 *) OpCodeData)->Value, sizeof (UINT32));
-        break;
-
-      case EFI_IFR_UINT64_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        CopyMem (&Value->Value.u64, &(( EFI_IFR_UINT64 *) OpCodeData)->Value, sizeof (UINT64));
-        break;
-
-      case EFI_IFR_UNDEFINED_OP:
-        Value->Type = EFI_IFR_TYPE_UNDEFINED;
-        break;
-
-      case EFI_IFR_VERSION_OP:
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        Value->Value.u16 = EFI_IFR_SPECIFICATION_VERSION;
-        break;
-
-      default:
-        break;
-      }
-      //
-      // Create sub expression nested in MAP opcode
-      //
-      if (CurrentExpression == NULL && MapScopeDepth > 0) {
-        CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-        ASSERT (MapExpressionList != NULL);
-        InsertTailList (MapExpressionList, &CurrentExpression->Link);
-        if (Scope == 0) {
-          SingleOpCodeExpression = TRUE;
-        }
-      }
-      ASSERT (CurrentExpression != NULL);
-      InsertTailList (&CurrentExpression->OpCodeListHead, &ExpressionOpCode->Link);
-      if (Operand == EFI_IFR_MAP_OP) {
-        //
-        // Store current Map Expression List.
-        //
-        if (MapExpressionList != NULL) {
-          PushMapExpressionList (MapExpressionList);
-        }
-        //
-        // Initialize new Map Expression List.
-        //
-        MapExpressionList = &ExpressionOpCode->MapExpressionList;
-        InitializeListHead (MapExpressionList);
-        //
-        // Store current expression.
-        //
-        PushCurrentExpression (CurrentExpression);
-        CurrentExpression = NULL;
-        MapScopeDepth ++;
-      } else if (SingleOpCodeExpression) {
-        //
-        // There are two cases to indicate the end of an Expression:
-        // for single OpCode expression: one Expression OpCode
-        // for expression consists of more than one OpCode: EFI_IFR_END
-        //
-        SingleOpCodeExpression = FALSE;
-
-        if (InScopeDisable && CurrentForm == NULL) {
-          //
-          // This is DisableIf expression for Form, it should be a constant expression
-          //
-          Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
-          if (EFI_ERROR (Status)) {
-            return Status;
-          }
-
-          OpCodeDisabled = IsTrue(&CurrentExpression->Result);
-        }
-
-        CurrentExpression = NULL;
-      }
-
-      continue;
-    }
-
-    //
-    // Parse the Opcode
-    //
-    switch (Operand) {
-
-    case EFI_IFR_FORM_SET_OP:
-      //
-      // Check the formset GUID
-      //
-      if (CompareMem (&FormSet->Guid, &((EFI_IFR_FORM_SET *) OpCodeData)->Guid, sizeof (EFI_GUID)) != 0) {
-        return EFI_INVALID_PARAMETER;
-      }
-
-      CopyMem (&FormSet->FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
-      CopyMem (&FormSet->Help,         &((EFI_IFR_FORM_SET *) OpCodeData)->Help,         sizeof (EFI_STRING_ID));
-      FormSet->OpCode = (EFI_IFR_OP_HEADER *) OpCodeData;//save the opcode address of formset
-
-      if (OpCodeLength > OFFSET_OF (EFI_IFR_FORM_SET, Flags)) {
-        //
-        // The formset OpCode contains ClassGuid
-        //
-        FormSet->NumberOfClassGuid = (UINT8) (((EFI_IFR_FORM_SET *) OpCodeData)->Flags & 0x3);
-        CopyMem (FormSet->ClassGuid, OpCodeData + sizeof (EFI_IFR_FORM_SET), FormSet->NumberOfClassGuid * sizeof (EFI_GUID));
-      }
-      break;
-
-    case EFI_IFR_FORM_OP:
-      //
-      // Create a new Form for this FormSet
-      //
-      CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
-      ASSERT (CurrentForm != NULL);
-      CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
-      InitializeListHead (&CurrentForm->ExpressionListHead);
-      InitializeListHead (&CurrentForm->StatementListHead);
-      InitializeListHead (&CurrentForm->ConfigRequestHead);
-      InitializeListHead (&CurrentForm->FormViewListHead);
-
-      CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
-      CopyMem (&CurrentForm->FormId,    &((EFI_IFR_FORM *) OpCodeData)->FormId,    sizeof (UINT16));
-      CopyMem (&CurrentForm->FormTitle, &((EFI_IFR_FORM *) OpCodeData)->FormTitle, sizeof (EFI_STRING_ID));
-
-      ConditionalExprCount = GetConditionalExpressionCount(ExpressForm);
-      if ( ConditionalExprCount > 0) {
-        //
-        // Form is inside of suppressif
-        //
-        CurrentForm->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool( 
-                                                 (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
-        ASSERT (CurrentForm->SuppressExpression != NULL);
-        CurrentForm->SuppressExpression->Count     = (UINTN) ConditionalExprCount;
-        CurrentForm->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
-        CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList(ExpressForm), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
-      }
-
-      if (Scope != 0) {
-        //
-        // Enter scope of a Form, suppressif will be used for Question or Option
-        //
-        SuppressForQuestion = TRUE;
-      }
-
-      //
-      // Insert into Form list of this FormSet
-      //
-      InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
-      break;
-
-    case EFI_IFR_FORM_MAP_OP:
-      //
-      // Create a new Form for this FormSet
-      //
-      CurrentForm = AllocateZeroPool (sizeof (FORM_BROWSER_FORM));
-      ASSERT (CurrentForm != NULL);
-      CurrentForm->Signature = FORM_BROWSER_FORM_SIGNATURE;
-      InitializeListHead (&CurrentForm->ExpressionListHead);
-      InitializeListHead (&CurrentForm->StatementListHead);
-      InitializeListHead (&CurrentForm->ConfigRequestHead);
-      InitializeListHead (&CurrentForm->FormViewListHead);
-
-      CopyMem (&CurrentForm->FormId, &((EFI_IFR_FORM *) OpCodeData)->FormId, sizeof (UINT16));
-
-      MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
-      //
-      // FormMap Form must contain at least one Map Method.
-      //
-      if (((EFI_IFR_OP_HEADER *) OpCodeData)->Length < ((UINTN) (UINT8 *) (MapMethod + 1) - (UINTN) OpCodeData)) {
-        return EFI_INVALID_PARAMETER;
-      }
-      //
-      // Try to find the standard form map method.
-      //
-      while (((UINTN) (UINT8 *) MapMethod - (UINTN) OpCodeData) < ((EFI_IFR_OP_HEADER *) OpCodeData)->Length) {
-        if (CompareGuid ((EFI_GUID *) (VOID *) &MapMethod->MethodIdentifier, &gEfiHiiStandardFormGuid)) {
-          CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
-          CurrentForm->FormType = STANDARD_MAP_FORM_TYPE;
-          break;
-        }
-        MapMethod ++;
-      }
-      //
-      // If the standard form map method is not found, the first map method title will be used.
-      //
-      if (CurrentForm->FormTitle == 0) {
-        MapMethod = (EFI_IFR_FORM_MAP_METHOD *) (OpCodeData + sizeof (EFI_IFR_FORM_MAP));
-        CopyMem (&CurrentForm->FormTitle, &MapMethod->MethodTitle, sizeof (EFI_STRING_ID));
-      }
-
-      ConditionalExprCount = GetConditionalExpressionCount(ExpressForm);
-      if ( ConditionalExprCount > 0) {
-        //
-        // Form is inside of suppressif
-        //
-        CurrentForm->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool( 
-                                                 (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
-        ASSERT (CurrentForm->SuppressExpression != NULL);
-        CurrentForm->SuppressExpression->Count     = (UINTN) ConditionalExprCount;
-        CurrentForm->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
-        CopyMem (CurrentForm->SuppressExpression->Expression, GetConditionalExpressionList(ExpressForm), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
-      }
-
-      if (Scope != 0) {
-        //
-        // Enter scope of a Form, suppressif will be used for Question or Option
-        //
-        SuppressForQuestion = TRUE;
-      }
-
-      //
-      // Insert into Form list of this FormSet
-      //
-      InsertTailList (&FormSet->FormListHead, &CurrentForm->Link);
-      break;
-
-    //
-    // Storage
-    //
-    case EFI_IFR_VARSTORE_OP:
-      //
-      // Create a buffer Storage for this FormSet
-      //
-      Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_BUFFER, OpCodeData);
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      break;
-
-    case EFI_IFR_VARSTORE_NAME_VALUE_OP:
-      //
-      // Create a name/value Storage for this FormSet
-      //
-      Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_NAME_VALUE, OpCodeData);
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_NAME_VALUE *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      break;
-
-    case EFI_IFR_VARSTORE_EFI_OP:
-      //
-      // Create a EFI variable Storage for this FormSet
-      //
-      if (OpCodeLength < sizeof (EFI_IFR_VARSTORE_EFI)) {
-        //
-        // Create efi varstore with format follow UEFI spec before 2.3.1.
-        //
-        Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_EFI_VARIABLE, OpCodeData);
-      } else {
-        //
-        // Create efi varstore with format follow UEFI spec 2.3.1 and later.
-        //
-        Storage = CreateStorage (FormSet, EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER, OpCodeData);
-      }
-      CopyMem (&Storage->VarStoreId, &((EFI_IFR_VARSTORE_EFI *) OpCodeData)->VarStoreId, sizeof (EFI_VARSTORE_ID));
-      break;
-
-    //
-    // DefaultStore
-    //
-    case EFI_IFR_DEFAULTSTORE_OP:
-      DefaultStore = AllocateZeroPool (sizeof (FORMSET_DEFAULTSTORE));
-      ASSERT (DefaultStore != NULL);
-      DefaultStore->Signature = FORMSET_DEFAULTSTORE_SIGNATURE;
-
-      CopyMem (&DefaultStore->DefaultId,   &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultId,   sizeof (UINT16));
-      CopyMem (&DefaultStore->DefaultName, &((EFI_IFR_DEFAULTSTORE *) OpCodeData)->DefaultName, sizeof (EFI_STRING_ID));
-
-      //
-      // Insert to DefaultStore list of this Formset
-      //
-      InsertTailList (&FormSet->DefaultStoreListHead, &DefaultStore->Link);
-      break;
-
-    //
-    // Statements
-    //
-    case EFI_IFR_SUBTITLE_OP:
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_SUBTITLE *) OpCodeData)->Flags;
-      CurrentStatement->FakeQuestionId = mUsedQuestionId++;
-      break;
-
-    case EFI_IFR_TEXT_OP:
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      CurrentStatement->FakeQuestionId = mUsedQuestionId++;
-      CopyMem (&CurrentStatement->TextTwo, &((EFI_IFR_TEXT *) OpCodeData)->TextTwo, sizeof (EFI_STRING_ID));
-      break;
-
-    case EFI_IFR_RESET_BUTTON_OP:
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      CurrentStatement->FakeQuestionId = mUsedQuestionId++;
-      CopyMem (&CurrentStatement->DefaultId, &((EFI_IFR_RESET_BUTTON *) OpCodeData)->DefaultId, sizeof (EFI_DEFAULT_ID));
-      break;
-
-    //
-    // Questions
-    //
-    case EFI_IFR_ACTION_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_ACTION;
-
-      if (OpCodeLength == sizeof (EFI_IFR_ACTION_1)) {
-        //
-        // No QuestionConfig present, so no configuration string will be processed
-        //
-        CurrentStatement->QuestionConfig = 0;
-      } else {
-        CopyMem (&CurrentStatement->QuestionConfig, &((EFI_IFR_ACTION *) OpCodeData)->QuestionConfig, sizeof (EFI_STRING_ID));
-      }
-      break;
-
-    case EFI_IFR_REF_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      Value = &CurrentStatement->HiiValue;
-      Value->Type = EFI_IFR_TYPE_REF;
-      if (OpCodeLength >= sizeof (EFI_IFR_REF)) {
-        CopyMem (&Value->Value.ref.FormId, &((EFI_IFR_REF *) OpCodeData)->FormId, sizeof (EFI_FORM_ID));
-
-        if (OpCodeLength >= sizeof (EFI_IFR_REF2)) {
-          CopyMem (&Value->Value.ref.QuestionId, &((EFI_IFR_REF2 *) OpCodeData)->QuestionId, sizeof (EFI_QUESTION_ID));
-
-          if (OpCodeLength >= sizeof (EFI_IFR_REF3)) {
-            CopyMem (&Value->Value.ref.FormSetGuid, &((EFI_IFR_REF3 *) OpCodeData)->FormSetId, sizeof (EFI_GUID));
-
-            if (OpCodeLength >= sizeof (EFI_IFR_REF4)) {
-              CopyMem (&Value->Value.ref.DevicePath, &((EFI_IFR_REF4 *) OpCodeData)->DevicePath, sizeof (EFI_STRING_ID));
-            }
-          }
-        }
-      }
-      CurrentStatement->StorageWidth = (UINT16) sizeof (EFI_HII_REF);        
-      InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-      break;
-
-    case EFI_IFR_ONE_OF_OP:
-    case EFI_IFR_NUMERIC_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT(CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_ONE_OF *) OpCodeData)->Flags;
-      Value = &CurrentStatement->HiiValue;
-
-      switch (CurrentStatement->Flags & EFI_IFR_NUMERIC_SIZE) {
-      case EFI_IFR_NUMERIC_SIZE_1:
-        CurrentStatement->Minimum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MinValue;
-        CurrentStatement->Maximum = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.MaxValue;
-        CurrentStatement->Step    = ((EFI_IFR_NUMERIC *) OpCodeData)->data.u8.Step;
-        CurrentStatement->StorageWidth = (UINT16) sizeof (UINT8);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_8;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_2:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MinValue, sizeof (UINT16));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.MaxValue, sizeof (UINT16));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u16.Step,     sizeof (UINT16));
-        CurrentStatement->StorageWidth = (UINT16) sizeof (UINT16);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_16;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_4:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MinValue, sizeof (UINT32));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.MaxValue, sizeof (UINT32));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u32.Step,     sizeof (UINT32));
-        CurrentStatement->StorageWidth = (UINT16) sizeof (UINT32);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_32;
-        break;
-
-      case EFI_IFR_NUMERIC_SIZE_8:
-        CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MinValue, sizeof (UINT64));
-        CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.MaxValue, sizeof (UINT64));
-        CopyMem (&CurrentStatement->Step,    &((EFI_IFR_NUMERIC *) OpCodeData)->data.u64.Step,     sizeof (UINT64));
-        CurrentStatement->StorageWidth = (UINT16) sizeof (UINT64);
-        Value->Type = EFI_IFR_TYPE_NUM_SIZE_64;
-        break;
-
-      default:
-        break;
-      }
-
-      InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-
-      if ((Operand == EFI_IFR_ONE_OF_OP) && Scope != 0) {
-        SuppressForOption = TRUE;
-      }
-      break;
-
-    case EFI_IFR_ORDERED_LIST_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT(CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->Flags;
-      CurrentStatement->MaxContainers = ((EFI_IFR_ORDERED_LIST *) OpCodeData)->MaxContainers;
-
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BUFFER;
-      CurrentStatement->BufferValue = NULL;
-
-      if (Scope != 0) {
-        SuppressForOption = TRUE;
-      }
-      break;
-
-    case EFI_IFR_CHECKBOX_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT(CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_CHECKBOX *) OpCodeData)->Flags;
-      CurrentStatement->StorageWidth = (UINT16) sizeof (BOOLEAN);
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_BOOLEAN;
-
-      InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-
-      break;
-
-    case EFI_IFR_STRING_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      //
-      // MinSize is the minimum number of characters that can be accepted for this opcode,
-      // MaxSize is the maximum number of characters that can be accepted for this opcode.
-      // The characters are stored as Unicode, so the storage width should multiply 2.
-      //
-      CurrentStatement->Minimum = ((EFI_IFR_STRING *) OpCodeData)->MinSize;
-      CurrentStatement->Maximum = ((EFI_IFR_STRING *) OpCodeData)->MaxSize;
-      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
-      CurrentStatement->Flags = ((EFI_IFR_STRING *) OpCodeData)->Flags;
-
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
-      CurrentStatement->BufferValue = AllocateZeroPool (CurrentStatement->StorageWidth + sizeof (CHAR16));
-      CurrentStatement->HiiValue.Value.string = NewString ((CHAR16*) CurrentStatement->BufferValue, FormSet->HiiHandle);
-
-      InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-      break;
-
-    case EFI_IFR_PASSWORD_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT (CurrentStatement != NULL);
-      //
-      // MinSize is the minimum number of characters that can be accepted for this opcode,
-      // MaxSize is the maximum number of characters that can be accepted for this opcode.
-      // The characters are stored as Unicode, so the storage width should multiply 2.
-      //
-      CopyMem (&CurrentStatement->Minimum, &((EFI_IFR_PASSWORD *) OpCodeData)->MinSize, sizeof (UINT16));
-      CopyMem (&CurrentStatement->Maximum, &((EFI_IFR_PASSWORD *) OpCodeData)->MaxSize, sizeof (UINT16));
-      CurrentStatement->StorageWidth = (UINT16)((UINTN) CurrentStatement->Maximum * sizeof (CHAR16));
-
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_STRING;
-      CurrentStatement->BufferValue = AllocateZeroPool ((CurrentStatement->StorageWidth + sizeof (CHAR16)));
-      CurrentStatement->HiiValue.Value.string = NewString ((CHAR16*) CurrentStatement->BufferValue, FormSet->HiiHandle);
-
-      InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-      break;
-
-    case EFI_IFR_DATE_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT(CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_DATE *) OpCodeData)->Flags;
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_DATE;
-
-      if ((CurrentStatement->Flags & EFI_QF_DATE_STORAGE) == QF_DATE_STORAGE_NORMAL) {
-        CurrentStatement->StorageWidth = (UINT16) sizeof (EFI_HII_DATE);
-
-        InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-      } else {
-        //
-        // Don't assign storage for RTC type of date/time
-        //
-        CurrentStatement->Storage = NULL;
-        CurrentStatement->StorageWidth = 0;
-      }
-      break;
-
-    case EFI_IFR_TIME_OP:
-      CurrentStatement = CreateQuestion (OpCodeData, FormSet, CurrentForm);
-      ASSERT(CurrentStatement != NULL);
-
-      CurrentStatement->Flags = ((EFI_IFR_TIME *) OpCodeData)->Flags;
-      CurrentStatement->HiiValue.Type = EFI_IFR_TYPE_TIME;
-
-      if ((CurrentStatement->Flags & QF_TIME_STORAGE) == QF_TIME_STORAGE_NORMAL) {
-        CurrentStatement->StorageWidth = (UINT16) sizeof (EFI_HII_TIME);
-
-        InitializeRequestElement (FormSet, CurrentStatement, CurrentForm);
-      } else {
-        //
-        // Don't assign storage for RTC type of date/time
-        //
-        CurrentStatement->Storage = NULL;
-        CurrentStatement->StorageWidth = 0;
-      }
-      break;
-
-    //
-    // Default
-    //
-    case EFI_IFR_DEFAULT_OP:
-      //
-      // EFI_IFR_DEFAULT appear in scope of a Question,
-      // It creates a default value for the current question.
-      // A Question may have more than one Default value which have different default types.
-      //
-      CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));
-      ASSERT (CurrentDefault != NULL);
-      CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
-
-      CurrentDefault->Value.Type = ((EFI_IFR_DEFAULT *) OpCodeData)->Type;
-      CopyMem (&CurrentDefault->DefaultId, &((EFI_IFR_DEFAULT *) OpCodeData)->DefaultId, sizeof (UINT16));
-      if (CurrentDefault->Value.Type == EFI_IFR_TYPE_BUFFER) {
-        CurrentDefault->Value.BufferLen = (UINT16) (OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
-        CurrentDefault->Value.Buffer = AllocateCopyPool (CurrentDefault->Value.BufferLen, &((EFI_IFR_DEFAULT *) OpCodeData)->Value);
-        ASSERT (CurrentDefault->Value.Buffer != NULL);
-      } else {
-        CopyMem (&CurrentDefault->Value.Value, &((EFI_IFR_DEFAULT *) OpCodeData)->Value, OpCodeLength - OFFSET_OF (EFI_IFR_DEFAULT, Value));
-        ExtendValueToU64 (&CurrentDefault->Value);
-      }
-
-      //
-      // Insert to Default Value list of current Question
-      //
-      InsertTailList (&ParentStatement->DefaultListHead, &CurrentDefault->Link);
-
-      if (Scope != 0) {
-        InScopeDefault = TRUE;
-      }
-      break;
-
-    //
-    // Option
-    //
-    case EFI_IFR_ONE_OF_OPTION_OP:
-      ASSERT (ParentStatement != NULL);
-      if (ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP && ((((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags & (EFI_IFR_OPTION_DEFAULT | EFI_IFR_OPTION_DEFAULT_MFG)) != 0)) {
-        //
-        // It's keep the default value for ordered list opcode.
-        //
-        CurrentDefault = AllocateZeroPool (sizeof (QUESTION_DEFAULT));
-        ASSERT (CurrentDefault != NULL);
-        CurrentDefault->Signature = QUESTION_DEFAULT_SIGNATURE;
-
-        CurrentDefault->Value.Type = EFI_IFR_TYPE_BUFFER;
-        if ((((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags & EFI_IFR_OPTION_DEFAULT) != 0) {
-          CurrentDefault->DefaultId = EFI_HII_DEFAULT_CLASS_STANDARD;
-        } else {
-          CurrentDefault->DefaultId = EFI_HII_DEFAULT_CLASS_MANUFACTURING;
-        }
-
-        CurrentDefault->Value.BufferLen = (UINT16) (OpCodeLength - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));
-        CurrentDefault->Value.Buffer = AllocateCopyPool (CurrentDefault->Value.BufferLen, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value);
-        ASSERT (CurrentDefault->Value.Buffer != NULL);
-
-        //
-        // Insert to Default Value list of current Question
-        //
-        InsertTailList (&ParentStatement->DefaultListHead, &CurrentDefault->Link);
-        break;
-      }
-
-      //
-      // EFI_IFR_ONE_OF_OPTION appear in scope of a Question.
-      // It create a selection for use in current Question.
-      //
-      CurrentOption = AllocateZeroPool (sizeof (QUESTION_OPTION));
-      ASSERT (CurrentOption != NULL);
-      CurrentOption->Signature = QUESTION_OPTION_SIGNATURE;
-      CurrentOption->OpCode    = (EFI_IFR_ONE_OF_OPTION *) OpCodeData;
-
-      CurrentOption->Flags = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Flags;
-      CurrentOption->Value.Type = ((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Type;
-      CopyMem (&CurrentOption->Text, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Option, sizeof (EFI_STRING_ID));
-      CopyMem (&CurrentOption->Value.Value, &((EFI_IFR_ONE_OF_OPTION *) OpCodeData)->Value, OpCodeLength - OFFSET_OF (EFI_IFR_ONE_OF_OPTION, Value));
-      ExtendValueToU64 (&CurrentOption->Value);
-
-      ConditionalExprCount = GetConditionalExpressionCount(ExpressOption);
-      if ( ConditionalExprCount > 0) {
-        //
-        // Form is inside of suppressif
-        //
-        CurrentOption->SuppressExpression = (FORM_EXPRESSION_LIST *) AllocatePool( 
-                                                 (UINTN) (sizeof(FORM_EXPRESSION_LIST) + ((ConditionalExprCount -1) * sizeof(FORM_EXPRESSION *))));
-        ASSERT (CurrentOption->SuppressExpression != NULL);
-        CurrentOption->SuppressExpression->Count     = (UINTN) ConditionalExprCount;
-        CurrentOption->SuppressExpression->Signature = FORM_EXPRESSION_LIST_SIGNATURE;
-        CopyMem (CurrentOption->SuppressExpression->Expression, GetConditionalExpressionList(ExpressOption), (UINTN) (sizeof (FORM_EXPRESSION *) * ConditionalExprCount));
-      }
-
-      //
-      // Insert to Option list of current Question
-      //
-      InsertTailList (&ParentStatement->OptionListHead, &CurrentOption->Link);
-      //
-      // Now we know the Storage width of nested Ordered List
-      //
-      if ((ParentStatement->Operand == EFI_IFR_ORDERED_LIST_OP) && (ParentStatement->BufferValue == NULL)) {
-        Width = 1;
-        switch (CurrentOption->Value.Type) {
-        case EFI_IFR_TYPE_NUM_SIZE_8:
-          Width = 1;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_16:
-          Width = 2;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_32:
-          Width = 4;
-          break;
-
-        case EFI_IFR_TYPE_NUM_SIZE_64:
-          Width = 8;
-          break;
-
-        default:
-          //
-          // Invalid type for Ordered List
-          //
-          break;
-        }
-
-        ParentStatement->StorageWidth = (UINT16) (ParentStatement->MaxContainers * Width);
-        ParentStatement->BufferValue = AllocateZeroPool (ParentStatement->StorageWidth);
-        ParentStatement->ValueType = CurrentOption->Value.Type;
-        if (ParentStatement->HiiValue.Type == EFI_IFR_TYPE_BUFFER) {
-          ParentStatement->HiiValue.Buffer = ParentStatement->BufferValue;
-          ParentStatement->HiiValue.BufferLen = ParentStatement->StorageWidth;
-        }
-
-        InitializeRequestElement (FormSet, ParentStatement, CurrentForm);
-      }
-      break;
-
-    //
-    // Conditional
-    //
-    case EFI_IFR_NO_SUBMIT_IF_OP:
-    case EFI_IFR_INCONSISTENT_IF_OP:
-      //
-      // Create an Expression node
-      //
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CopyMem (&CurrentExpression->Error, &((EFI_IFR_INCONSISTENT_IF *) OpCodeData)->Error, sizeof (EFI_STRING_ID));
-
-      if (Operand == EFI_IFR_NO_SUBMIT_IF_OP) {
-        CurrentExpression->Type = EFI_HII_EXPRESSION_NO_SUBMIT_IF;
-        InsertTailList (&ParentStatement->NoSubmitListHead, &CurrentExpression->Link);
-      } else {
-        CurrentExpression->Type = EFI_HII_EXPRESSION_INCONSISTENT_IF;
-        InsertTailList (&ParentStatement->InconsistentListHead, &CurrentExpression->Link);
-      }
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_WARNING_IF_OP:
-      //
-      // Create an Expression node
-      //
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CopyMem (&CurrentExpression->Error, &((EFI_IFR_WARNING_IF *) OpCodeData)->Warning, sizeof (EFI_STRING_ID));
-      CurrentExpression->TimeOut = ((EFI_IFR_WARNING_IF *) OpCodeData)->TimeOut;
-      CurrentExpression->Type    = EFI_HII_EXPRESSION_WARNING_IF;
-      InsertTailList (&ParentStatement->WarningListHead, &CurrentExpression->Link);
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_SUPPRESS_IF_OP:
-      //
-      // Question and Option will appear in scope of this OpCode
-      //
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_SUPPRESS_IF;
-
-      if (CurrentForm == NULL) {
-        InsertTailList (&FormSet->ExpressionListHead, &CurrentExpression->Link);
-      } else {
-        InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-      }
-
-      if (SuppressForOption) {
-        PushConditionalExpression(CurrentExpression, ExpressOption);       
-      } else if (SuppressForQuestion) {
-        PushConditionalExpression(CurrentExpression, ExpressStatement);  
-      } else {
-        PushConditionalExpression(CurrentExpression, ExpressForm);  
-      }
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_GRAY_OUT_IF_OP:
-      //
-      // Questions will appear in scope of this OpCode
-      //
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_GRAY_OUT_IF;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-      PushConditionalExpression(CurrentExpression, ExpressStatement);
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_DISABLE_IF_OP:
-      //
-      // The DisableIf expression should only rely on constant, so it could be
-      // evaluated at initialization and it will not be queued
-      //
-      CurrentExpression = AllocateZeroPool (sizeof (FORM_EXPRESSION));
-      ASSERT (CurrentExpression != NULL);
-      CurrentExpression->Signature = FORM_EXPRESSION_SIGNATURE;
-      CurrentExpression->Type = EFI_HII_EXPRESSION_DISABLE_IF;
-      InitializeListHead (&CurrentExpression->OpCodeListHead);
-
-      if (CurrentForm != NULL) {
-        //
-        // This is DisableIf for Question, enqueue it to Form expression list
-        //
-        InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-        PushConditionalExpression(CurrentExpression, ExpressStatement);
-      }
-
-      OpCodeDisabled  = FALSE;
-      InScopeDisable  = TRUE;
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    //
-    // Expression
-    //
-    case EFI_IFR_VALUE_OP:
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_VALUE;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      if (InScopeDefault) {
-        //
-        // Used for default (EFI_IFR_DEFAULT)
-        //
-        CurrentDefault->ValueExpression = CurrentExpression;
-      } else {
-        //
-        // If used for a question, then the question will be read-only
-        //
-        //
-        // Make sure CurrentStatement is not NULL.
-        // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
-        // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
-        //
-        ASSERT (ParentStatement != NULL);
-        ParentStatement->ValueExpression = CurrentExpression;
-      }
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_RULE_OP:
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_RULE;
-
-      CurrentExpression->RuleId = ((EFI_IFR_RULE *) OpCodeData)->RuleId;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_READ_OP:
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_READ;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      //
-      // Make sure CurrentStatement is not NULL.
-      // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
-      // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
-      //
-      ASSERT (ParentStatement != NULL);
-      ParentStatement->ReadExpression = CurrentExpression;
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    case EFI_IFR_WRITE_OP:
-      CurrentExpression = CreateExpression (CurrentForm, OpCodeData);
-      CurrentExpression->Type = EFI_HII_EXPRESSION_WRITE;
-      InsertTailList (&CurrentForm->ExpressionListHead, &CurrentExpression->Link);
-
-      //
-      // Make sure CurrentStatement is not NULL.
-      // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
-      // file is wrongly generated by tools such as VFR Compiler. There may be a bug in VFR Compiler.
-      //
-      ASSERT (ParentStatement != NULL);
-      ParentStatement->WriteExpression = CurrentExpression;
-
-      //
-      // Take a look at next OpCode to see whether current expression consists
-      // of single OpCode
-      //
-      if (((EFI_IFR_OP_HEADER *) (OpCodeData + OpCodeLength))->Scope == 0) {
-        SingleOpCodeExpression = TRUE;
-      }
-      break;
-
-    //
-    // Image
-    //
-    case EFI_IFR_IMAGE_OP:
-      //
-      // Get ScopeOpcode from top of stack
-      //
-      PopScope (&ScopeOpCode);
-      PushScope (ScopeOpCode);
-
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_SET_OP:
-        ImageId = &FormSet->ImageId;
-        break;
-
-      case EFI_IFR_FORM_OP:
-      case EFI_IFR_FORM_MAP_OP:
-        ASSERT (CurrentForm != NULL);
-        ImageId = &CurrentForm->ImageId;
-        break;
-
-      case EFI_IFR_ONE_OF_OPTION_OP:
-        ASSERT (CurrentOption != NULL);
-        ImageId = &CurrentOption->ImageId;
-        break;
-
-      default:
-        //
-        // Make sure CurrentStatement is not NULL.
-        // If it is NULL, 1) ParseOpCodes functions may parse the IFR wrongly. Or 2) the IFR
-        // file is wrongly generated by tools such as VFR Compiler.
-        //
-        ASSERT (ParentStatement != NULL);
-        ImageId = &ParentStatement->ImageId;
-        break;
-      }
-
-      ASSERT (ImageId != NULL);
-      CopyMem (ImageId, &((EFI_IFR_IMAGE *) OpCodeData)->Id, sizeof (EFI_IMAGE_ID));
-      break;
-
-    //
-    // Refresh
-    //
-    case EFI_IFR_REFRESH_OP:
-      ASSERT (ParentStatement != NULL);
-      ParentStatement->RefreshInterval = ((EFI_IFR_REFRESH *) OpCodeData)->RefreshInterval;
-      break;
-
-    //
-    // Refresh guid.
-    //
-    case EFI_IFR_REFRESH_ID_OP:
-      //
-      // Get ScopeOpcode from top of stack
-      //
-      PopScope (&ScopeOpCode);
-      PushScope (ScopeOpCode);
-
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_OP:
-      case EFI_IFR_FORM_MAP_OP:
-        ASSERT (CurrentForm != NULL);
-        CopyMem (&CurrentForm->RefreshGuid, &((EFI_IFR_REFRESH_ID *) OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
-        break;
-
-      default:
-        ASSERT (ParentStatement != NULL);
-        CopyMem (&ParentStatement->RefreshGuid, &((EFI_IFR_REFRESH_ID *) OpCodeData)->RefreshEventGroupId, sizeof (EFI_GUID));
-        break;
-      }
-      break;
-
-    //
-    // Modal tag
-    //
-    case EFI_IFR_MODAL_TAG_OP:
-      ASSERT (CurrentForm != NULL);
-      CurrentForm->ModalForm = TRUE;
-      break;
-
-    //
-    // Lock tag, used by form and statement.
-    //
-    case EFI_IFR_LOCKED_OP:
-      //
-      // Get ScopeOpcode from top of stack
-      //
-      PopScope (&ScopeOpCode);
-      PushScope (ScopeOpCode);
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_OP:
-      case EFI_IFR_FORM_MAP_OP:
-        ASSERT (CurrentForm != NULL);
-        CurrentForm->Locked = TRUE;
-        break;
-
-      default:
-        ASSERT (ParentStatement != NULL);
-        ParentStatement->Locked = TRUE;
-      }      
-      break;
-
-    //
-    // Vendor specific
-    //
-    case EFI_IFR_GUID_OP:     
-      CurrentStatement = CreateStatement (OpCodeData, FormSet, CurrentForm);
-      break;
-
-    //
-    // Scope End
-    //
-    case EFI_IFR_END_OP:
-      Status = PopScope (&ScopeOpCode);
-      if (EFI_ERROR (Status)) {
-        ResetScopeStack ();
-        return Status;
-      }
-      
-      //
-      // Parent statement end tag found, update ParentStatement info.
-      //
-      if (IsStatementOpCode(ScopeOpCode) && (ParentStatement != NULL) && (ParentStatement->Operand == ScopeOpCode)) {
-        ParentStatement  = ParentStatement->ParentStatement;
-      }
-
-      switch (ScopeOpCode) {
-      case EFI_IFR_FORM_SET_OP:
-        //
-        // End of FormSet, update FormSet IFR binary length
-        // to stop parsing substantial OpCodes
-        //
-        FormSet->IfrBinaryLength = OpCodeOffset;
-        break;
-
-      case EFI_IFR_FORM_OP:
-      case EFI_IFR_FORM_MAP_OP:
-        //
-        // End of Form
-        //
-        CurrentForm = NULL;
-        SuppressForQuestion = FALSE;
-        break;
-
-      case EFI_IFR_ONE_OF_OPTION_OP:
-        //
-        // End of Option
-        //
-        CurrentOption = NULL;
-        break;
-
-      case EFI_IFR_NO_SUBMIT_IF_OP:
-      case EFI_IFR_INCONSISTENT_IF_OP:
-      case EFI_IFR_WARNING_IF_OP:
-        //
-        // Ignore end of EFI_IFR_NO_SUBMIT_IF and EFI_IFR_INCONSISTENT_IF
-        //
-        break;
-
-      case EFI_IFR_SUPPRESS_IF_OP:
-        if (SuppressForOption) {
-          PopConditionalExpression(ExpressOption);      
-        } else if (SuppressForQuestion) {
-          PopConditionalExpression(ExpressStatement);
-        } else {
-          PopConditionalExpression(ExpressForm);
-        }
-        break;
-
-      case EFI_IFR_GRAY_OUT_IF_OP:
-        PopConditionalExpression(ExpressStatement);
-        break;
-
-      case EFI_IFR_DISABLE_IF_OP:
-        if (CurrentForm != NULL) {
-          PopConditionalExpression(ExpressStatement);
-        }
-        InScopeDisable = FALSE;
-        OpCodeDisabled = FALSE;
-        break;
-
-      case EFI_IFR_ONE_OF_OP:
-      case EFI_IFR_ORDERED_LIST_OP:
-        SuppressForOption = FALSE;
-        break;
-
-      case EFI_IFR_DEFAULT_OP:
-        InScopeDefault = FALSE;
-        break;
-
-      case EFI_IFR_MAP_OP:
-        //
-        // Get current Map Expression List.
-        //
-        Status = PopMapExpressionList ((VOID **) &MapExpressionList);
-        if (Status == EFI_ACCESS_DENIED) {
-          MapExpressionList = NULL;
-        }
-        //
-        // Get current expression.
-        //
-        Status = PopCurrentExpression ((VOID **) &CurrentExpression);
-        ASSERT_EFI_ERROR (Status);
-        ASSERT (MapScopeDepth > 0);
-        MapScopeDepth --;
-        break;
-
-      default:
-        if (IsExpressionOpCode (ScopeOpCode)) {
-          if (InScopeDisable && CurrentForm == NULL) {
-            //
-            // This is DisableIf expression for Form, it should be a constant expression
-            //
-            ASSERT (CurrentExpression != NULL);
-            Status = EvaluateExpression (FormSet, CurrentForm, CurrentExpression);
-            if (EFI_ERROR (Status)) {
-              return Status;
-            }
-
-            OpCodeDisabled = IsTrue (&CurrentExpression->Result);
-
-            //
-            // DisableIf Expression is only used once and not queued, free it
-            //
-            DestroyExpression (CurrentExpression);
-          }
-
-          //
-          // End of current Expression
-          //
-          CurrentExpression = NULL;
-        }
-        break;
-      }
-      break;
-
-    default:
-      break;
-    }
-
-    if (IsStatementOpCode(Operand)) {
-      CurrentStatement->ParentStatement = ParentStatement;
-      if (Scope != 0) {
-        //
-        // Scope != 0, other statements or options may nest in this statement.
-        // Update the ParentStatement info.
-        //
-        ParentStatement = CurrentStatement;
-      }
-    }
-  }
-
-  return EFI_SUCCESS;
-}
-- 
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