## @file
# This file is used to create a database used by build tool
#
# Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.<BR>
# (C) Copyright 2016 Hewlett Packard Enterprise Development LP<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.
#

## Platform build information from DSC file
#
#  This class is used to retrieve information stored in database and convert them
# into PlatformBuildClassObject form for easier use for AutoGen.
#
from __future__ import print_function
from __future__ import absolute_import
from Common.StringUtils import *
from Common.DataType import *
from Common.Misc import *
from types import *
from Common.Expression import *
from CommonDataClass.CommonClass import SkuInfoClass
from Common.TargetTxtClassObject import TargetTxtClassObject
from Common.ToolDefClassObject import ToolDefClassObject
from .MetaDataTable import *
from .MetaFileTable import *
from .MetaFileParser import *

from .WorkspaceCommon import GetDeclaredPcd
from Common.Misc import AnalyzeDscPcd
from Common.Misc import ProcessDuplicatedInf,RemoveCComments
import re
from Common.Parsing import IsValidWord
from Common.VariableAttributes import VariableAttributes
import Common.GlobalData as GlobalData
import subprocess
from functools import reduce
from Common.Misc import SaveFileOnChange
from Workspace.BuildClassObject import PlatformBuildClassObject, StructurePcd, PcdClassObject, ModuleBuildClassObject
from collections import OrderedDict, defaultdict
from .BuildClassObject import ArrayIndex

def _IsFieldValueAnArray (Value):
    Value = Value.strip()
    if Value.startswith(TAB_GUID) and Value.endswith(')'):
        return True
    if Value.startswith('L"') and Value.endswith('"')  and len(list(Value[2:-1])) > 1:
        return True
    if Value[0] == '"' and Value[-1] == '"' and len(list(Value[1:-1])) > 1:
        return True
    if Value[0] == '{' and Value[-1] == '}':
        return True
    if Value.startswith("L'") and Value.endswith("'") and len(list(Value[2:-1])) > 1:
        return True
    if Value[0] == "'" and Value[-1] == "'" and len(list(Value[1:-1])) > 1:
        return True
    return False

PcdValueInitName = 'PcdValueInit'

PcdMainCHeader = '''
/**
  DO NOT EDIT
  FILE auto-generated
**/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <PcdValueCommon.h>
'''

PcdMainCEntry = '''
int
main (
  int   argc,
  char  *argv[]
  )
{
  return PcdValueMain (argc, argv);
}
'''

PcdMakefileHeader = '''
#
# DO NOT EDIT
# This file is auto-generated by build utility
#

'''

WindowsCFLAGS = 'CFLAGS = $(CFLAGS) /wd4200 /wd4034 /wd4101 '
LinuxCFLAGS = 'BUILD_CFLAGS += -Wno-pointer-to-int-cast -Wno-unused-variable '
PcdMakefileEnd = '''
!INCLUDE $(BASE_TOOLS_PATH)\Source\C\Makefiles\ms.common

LIBS = $(LIB_PATH)\Common.lib

!INCLUDE $(BASE_TOOLS_PATH)\Source\C\Makefiles\ms.app
'''

AppTarget = '''
all: $(APPFILE)
$(APPFILE): $(OBJECTS)
%s
'''

PcdGccMakefile = '''
MAKEROOT ?= $(EDK_TOOLS_PATH)/Source/C
LIBS = -lCommon
'''

variablePattern = re.compile(r'[\t\s]*0[xX][a-fA-F0-9]+$')
SkuIdPattern = re.compile(r'^[a-zA-Z_][a-zA-Z0-9_]*$')
## regular expressions for finding decimal and hex numbers
Pattern = re.compile('^[1-9]\d*|0$')
HexPattern = re.compile(r'0[xX][0-9a-fA-F]+$')
## Regular expression for finding header file inclusions
from AutoGen.GenMake import gIncludePattern

## Find dependencies for one source file
#
#  By searching recursively "#include" directive in file, find out all the
#  files needed by given source file. The dependecies will be only searched
#  in given search path list.
#
#   @param      SearchPathList  The list of search path
#
#   @retval     list            The list of files the given source file depends on
#
def GetDependencyList(FileStack, SearchPathList):
    DepDb = dict()
    DependencySet = set(FileStack)
    while len(FileStack) > 0:
        F = FileStack.pop()
        FullPathDependList = []
        CurrentFileDependencyList = []
        if F in DepDb:
            CurrentFileDependencyList = DepDb[F]
        else:
            try:
                Fd = open(F, 'r')
                FileContent = Fd.read()
            except BaseException as X:
                EdkLogger.error("build", FILE_OPEN_FAILURE, ExtraData=F + "\n\t" + str(X))
            finally:
                if "Fd" in dir(locals()):
                    Fd.close()

            if len(FileContent) == 0:
                continue

            try:
                if FileContent[0] == 0xff or FileContent[0] == 0xfe:
                    FileContent = FileContent.decode('utf-16')
                else:
                    FileContent = FileContent.decode()
            except:
                # The file is not txt file. for example .mcb file
                continue
            IncludedFileList = gIncludePattern.findall(FileContent)

            for Inc in IncludedFileList:
                Inc = Inc.strip()
                Inc = os.path.normpath(Inc)
                CurrentFileDependencyList.append(Inc)
            DepDb[F] = CurrentFileDependencyList

        CurrentFilePath = os.path.dirname(F)
        PathList = [CurrentFilePath] + SearchPathList
        for Inc in CurrentFileDependencyList:
            for SearchPath in PathList:
                FilePath = os.path.join(SearchPath, Inc)
                if not os.path.exists(FilePath):
                    continue
                if FilePath not in DependencySet:
                    FileStack.append(FilePath)
                    FullPathDependList.append(FilePath)
                break
        DependencySet.update(FullPathDependList)
    DependencyList = list(DependencySet)  # remove duplicate ones

    return DependencyList

class DscBuildData(PlatformBuildClassObject):
    # dict used to convert PCD type in database to string used by build tool
    _PCD_TYPE_STRING_ = {
        MODEL_PCD_FIXED_AT_BUILD        :   TAB_PCDS_FIXED_AT_BUILD,
        MODEL_PCD_PATCHABLE_IN_MODULE   :   TAB_PCDS_PATCHABLE_IN_MODULE,
        MODEL_PCD_FEATURE_FLAG          :   TAB_PCDS_FEATURE_FLAG,
        MODEL_PCD_DYNAMIC               :   TAB_PCDS_DYNAMIC,
        MODEL_PCD_DYNAMIC_DEFAULT       :   TAB_PCDS_DYNAMIC,
        MODEL_PCD_DYNAMIC_HII           :   TAB_PCDS_DYNAMIC_HII,
        MODEL_PCD_DYNAMIC_VPD           :   TAB_PCDS_DYNAMIC_VPD,
        MODEL_PCD_DYNAMIC_EX            :   TAB_PCDS_DYNAMIC_EX,
        MODEL_PCD_DYNAMIC_EX_DEFAULT    :   TAB_PCDS_DYNAMIC_EX,
        MODEL_PCD_DYNAMIC_EX_HII        :   TAB_PCDS_DYNAMIC_EX_HII,
        MODEL_PCD_DYNAMIC_EX_VPD        :   TAB_PCDS_DYNAMIC_EX_VPD,
    }

    # dict used to convert part of [Defines] to members of DscBuildData directly
    _PROPERTY_ = {
        #
        # Required Fields
        #
        TAB_DSC_DEFINES_PLATFORM_NAME           :   "_PlatformName",
        TAB_DSC_DEFINES_PLATFORM_GUID           :   "_Guid",
        TAB_DSC_DEFINES_PLATFORM_VERSION        :   "_Version",
        TAB_DSC_DEFINES_DSC_SPECIFICATION       :   "_DscSpecification",
        # TAB_DSC_DEFINES_OUTPUT_DIRECTORY        :   "_OutputDirectory",
        # TAB_DSC_DEFINES_SUPPORTED_ARCHITECTURES :   "_SupArchList",
        # TAB_DSC_DEFINES_BUILD_TARGETS           :   "_BuildTargets",
        TAB_DSC_DEFINES_SKUID_IDENTIFIER        :   "_SkuName",
        # TAB_DSC_DEFINES_FLASH_DEFINITION        :   "_FlashDefinition",
        TAB_DSC_DEFINES_BUILD_NUMBER            :   "_BuildNumber",
        TAB_DSC_DEFINES_MAKEFILE_NAME           :   "_MakefileName",
        TAB_DSC_DEFINES_BS_BASE_ADDRESS         :   "_BsBaseAddress",
        TAB_DSC_DEFINES_RT_BASE_ADDRESS         :   "_RtBaseAddress",
        # TAB_DSC_DEFINES_RFC_LANGUAGES           :   "_RFCLanguages",
        # TAB_DSC_DEFINES_ISO_LANGUAGES           :   "_ISOLanguages",
    }

    # used to compose dummy library class name for those forced library instances
    _NullLibraryNumber = 0

    ## Constructor of DscBuildData
    #
    #  Initialize object of DscBuildData
    #
    #   @param      FilePath        The path of platform description file
    #   @param      RawData         The raw data of DSC file
    #   @param      BuildDataBase   Database used to retrieve module/package information
    #   @param      Arch            The target architecture
    #   @param      Platform        (not used for DscBuildData)
    #   @param      Macros          Macros used for replacement in DSC file
    #
    def __init__(self, FilePath, RawData, BuildDataBase, Arch=TAB_ARCH_COMMON, Target=None, Toolchain=None):
        self.MetaFile = FilePath
        self._RawData = RawData
        self._Bdb = BuildDataBase
        self._Arch = Arch
        self._Target = Target
        self._Toolchain = Toolchain
        self._ToolChainFamily = None
        self._Clear()
        self._HandleOverridePath()
        self.WorkspaceDir = os.getenv("WORKSPACE") if os.getenv("WORKSPACE") else ""
        self.DefaultStores = None
        self.SkuIdMgr = SkuClass(self.SkuName, self.SkuIds)

    @property
    def OutputPath(self):
        if os.getenv("WORKSPACE"):
            return os.path.join(os.getenv("WORKSPACE"), self.OutputDirectory, self._Target + "_" + self._Toolchain, PcdValueInitName)
        else:
            return os.path.dirname(self.DscFile)

    ## XXX[key] = value
    def __setitem__(self, key, value):
        self.__dict__[self._PROPERTY_[key]] = value

    ## value = XXX[key]
    def __getitem__(self, key):
        return self.__dict__[self._PROPERTY_[key]]

    ## "in" test support
    def __contains__(self, key):
        return key in self._PROPERTY_

    ## Set all internal used members of DscBuildData to None
    def _Clear(self):
        self._Header            = None
        self._PlatformName      = None
        self._Guid              = None
        self._Version           = None
        self._DscSpecification  = None
        self._OutputDirectory   = None
        self._SupArchList       = None
        self._BuildTargets      = None
        self._SkuName           = None
        self._PcdInfoFlag       = None
        self._VarCheckFlag      = None
        self._FlashDefinition   = None
        self._Prebuild          = None
        self._Postbuild         = None
        self._BuildNumber       = None
        self._MakefileName      = None
        self._BsBaseAddress     = None
        self._RtBaseAddress     = None
        self._SkuIds            = None
        self._Modules           = None
        self._LibraryInstances  = None
        self._LibraryClasses    = None
        self._Pcds              = None
        self._DecPcds           = None
        self._BuildOptions      = None
        self._ModuleTypeOptions = None
        self._LoadFixAddress    = None
        self._RFCLanguages      = None
        self._ISOLanguages      = None
        self._VpdToolGuid       = None
        self._MacroDict         = None
        self.DefaultStores      = None

    ## handle Override Path of Module
    def _HandleOverridePath(self):
        RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
        for Record in RecordList:
            ModuleId = Record[6]
            LineNo = Record[7]
            ModuleFile = PathClass(NormPath(Record[0]), GlobalData.gWorkspace, Arch=self._Arch)
            RecordList = self._RawData[MODEL_META_DATA_COMPONENT_SOURCE_OVERRIDE_PATH, self._Arch, None, ModuleId]
            if RecordList != []:
                SourceOverridePath = mws.join(GlobalData.gWorkspace, NormPath(RecordList[0][0]))

                # Check if the source override path exists
                if not os.path.isdir(SourceOverridePath):
                    EdkLogger.error('build', FILE_NOT_FOUND, Message='Source override path does not exist:', File=self.MetaFile, ExtraData=SourceOverridePath, Line=LineNo)

                # Add to GlobalData Variables
                GlobalData.gOverrideDir[ModuleFile.Key] = SourceOverridePath

    ## Get current effective macros
    @property
    def _Macros(self):
        if self._MacroDict is None:
            self._MacroDict = {}
            self._MacroDict.update(GlobalData.gPlatformDefines)
            self._MacroDict.update(GlobalData.gGlobalDefines)
            self._MacroDict.update(GlobalData.gCommandLineDefines)
        return self._MacroDict

    ## Get architecture
    @property
    def Arch(self):
        return self._Arch

    ## Retrieve all information in [Defines] section
    #
    #   (Retrieving all [Defines] information in one-shot is just to save time.)
    #
    def _GetHeaderInfo(self):
        RecordList = self._RawData[MODEL_META_DATA_HEADER, self._Arch]
        for Record in RecordList:
            Name = Record[1]
            # items defined _PROPERTY_ don't need additional processing

            # some special items in [Defines] section need special treatment
            if Name == TAB_DSC_DEFINES_OUTPUT_DIRECTORY:
                self._OutputDirectory = NormPath(Record[2], self._Macros)
                if ' ' in self._OutputDirectory:
                    EdkLogger.error("build", FORMAT_NOT_SUPPORTED, "No space is allowed in OUTPUT_DIRECTORY",
                                    File=self.MetaFile, Line=Record[-1],
                                    ExtraData=self._OutputDirectory)
            elif Name == TAB_DSC_DEFINES_FLASH_DEFINITION:
                self._FlashDefinition = PathClass(NormPath(Record[2], self._Macros), GlobalData.gWorkspace)
                ErrorCode, ErrorInfo = self._FlashDefinition.Validate('.fdf')
                if ErrorCode != 0:
                    EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=Record[-1],
                                    ExtraData=ErrorInfo)
            elif Name == TAB_DSC_PREBUILD:
                PrebuildValue = Record[2]
                if Record[2][0] == '"':
                    if Record[2][-1] != '"':
                        EdkLogger.error('build', FORMAT_INVALID, 'Missing double quotes in the end of %s statement.' % TAB_DSC_PREBUILD,
                                    File=self.MetaFile, Line=Record[-1])
                    PrebuildValue = Record[2][1:-1]
                self._Prebuild = PrebuildValue
            elif Name == TAB_DSC_POSTBUILD:
                PostbuildValue = Record[2]
                if Record[2][0] == '"':
                    if Record[2][-1] != '"':
                        EdkLogger.error('build', FORMAT_INVALID, 'Missing double quotes in the end of %s statement.' % TAB_DSC_POSTBUILD,
                                    File=self.MetaFile, Line=Record[-1])
                    PostbuildValue = Record[2][1:-1]
                self._Postbuild = PostbuildValue
            elif Name == TAB_DSC_DEFINES_SUPPORTED_ARCHITECTURES:
                self._SupArchList = GetSplitValueList(Record[2], TAB_VALUE_SPLIT)
            elif Name == TAB_DSC_DEFINES_BUILD_TARGETS:
                self._BuildTargets = GetSplitValueList(Record[2])
            elif Name == TAB_DSC_DEFINES_SKUID_IDENTIFIER:
                if self._SkuName is None:
                    self._SkuName = Record[2]
                if GlobalData.gSKUID_CMD:
                    self._SkuName = GlobalData.gSKUID_CMD
            elif Name == TAB_DSC_DEFINES_PCD_INFO_GENERATION:
                self._PcdInfoFlag = Record[2]
            elif Name == TAB_DSC_DEFINES_PCD_VAR_CHECK_GENERATION:
                self._VarCheckFlag = Record[2]
            elif Name == TAB_FIX_LOAD_TOP_MEMORY_ADDRESS:
                try:
                    self._LoadFixAddress = int (Record[2], 0)
                except:
                    EdkLogger.error("build", PARAMETER_INVALID, "FIX_LOAD_TOP_MEMORY_ADDRESS %s is not valid dec or hex string" % (Record[2]))
            elif Name == TAB_DSC_DEFINES_RFC_LANGUAGES:
                if not Record[2] or Record[2][0] != '"' or Record[2][-1] != '"' or len(Record[2]) == 1:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'language code for RFC_LANGUAGES must have double quotes around it, for example: RFC_LANGUAGES = "en-us;zh-hans"',
                                    File=self.MetaFile, Line=Record[-1])
                LanguageCodes = Record[2][1:-1]
                if not LanguageCodes:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'one or more RFC4646 format language code must be provided for RFC_LANGUAGES statement',
                                    File=self.MetaFile, Line=Record[-1])
                LanguageList = GetSplitValueList(LanguageCodes, TAB_SEMI_COLON_SPLIT)
                # check whether there is empty entries in the list
                if None in LanguageList:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'one or more empty language code is in RFC_LANGUAGES statement',
                                    File=self.MetaFile, Line=Record[-1])
                self._RFCLanguages = LanguageList
            elif Name == TAB_DSC_DEFINES_ISO_LANGUAGES:
                if not Record[2] or Record[2][0] != '"' or Record[2][-1] != '"' or len(Record[2]) == 1:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'language code for ISO_LANGUAGES must have double quotes around it, for example: ISO_LANGUAGES = "engchn"',
                                    File=self.MetaFile, Line=Record[-1])
                LanguageCodes = Record[2][1:-1]
                if not LanguageCodes:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'one or more ISO639-2 format language code must be provided for ISO_LANGUAGES statement',
                                    File=self.MetaFile, Line=Record[-1])
                if len(LanguageCodes) % 3:
                    EdkLogger.error('build', FORMAT_NOT_SUPPORTED, 'bad ISO639-2 format for ISO_LANGUAGES',
                                    File=self.MetaFile, Line=Record[-1])
                LanguageList = []
                for i in range(0, len(LanguageCodes), 3):
                    LanguageList.append(LanguageCodes[i:i + 3])
                self._ISOLanguages = LanguageList
            elif Name == TAB_DSC_DEFINES_VPD_TOOL_GUID:
                #
                # try to convert GUID to a real UUID value to see whether the GUID is format
                # for VPD_TOOL_GUID is correct.
                #
                try:
                    uuid.UUID(Record[2])
                except:
                    EdkLogger.error("build", FORMAT_INVALID, "Invalid GUID format for VPD_TOOL_GUID", File=self.MetaFile)
                self._VpdToolGuid = Record[2]
            elif Name in self:
                self[Name] = Record[2]
        # set _Header to non-None in order to avoid database re-querying
        self._Header = 'DUMMY'

    ## Retrieve platform name
    @property
    def PlatformName(self):
        if self._PlatformName is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._PlatformName is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No PLATFORM_NAME", File=self.MetaFile)
        return self._PlatformName

    @property
    def Platform(self):
        return self.PlatformName

    ## Retrieve file guid
    @property
    def Guid(self):
        if self._Guid is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._Guid is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No PLATFORM_GUID", File=self.MetaFile)
        return self._Guid

    ## Retrieve platform version
    @property
    def Version(self):
        if self._Version is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._Version is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No PLATFORM_VERSION", File=self.MetaFile)
        return self._Version

    ## Retrieve platform description file version
    @property
    def DscSpecification(self):
        if self._DscSpecification is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._DscSpecification is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No DSC_SPECIFICATION", File=self.MetaFile)
        return self._DscSpecification

    ## Retrieve OUTPUT_DIRECTORY
    @property
    def OutputDirectory(self):
        if self._OutputDirectory is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._OutputDirectory is None:
                self._OutputDirectory = os.path.join("Build", self._PlatformName)
        return self._OutputDirectory

    ## Retrieve SUPPORTED_ARCHITECTURES
    @property
    def SupArchList(self):
        if self._SupArchList is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._SupArchList is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No SUPPORTED_ARCHITECTURES", File=self.MetaFile)
        return self._SupArchList

    ## Retrieve BUILD_TARGETS
    @property
    def BuildTargets(self):
        if self._BuildTargets is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._BuildTargets is None:
                EdkLogger.error('build', ATTRIBUTE_NOT_AVAILABLE, "No BUILD_TARGETS", File=self.MetaFile)
        return self._BuildTargets

    @property
    def PcdInfoFlag(self):
        if self._PcdInfoFlag is None or self._PcdInfoFlag.upper() == 'FALSE':
            return False
        elif self._PcdInfoFlag.upper() == 'TRUE':
            return True
        else:
            return False

    @property
    def VarCheckFlag(self):
        if self._VarCheckFlag is None or self._VarCheckFlag.upper() == 'FALSE':
            return False
        elif self._VarCheckFlag.upper() == 'TRUE':
            return True
        else:
            return False

    # # Retrieve SKUID_IDENTIFIER
    @property
    def SkuName(self):
        if self._SkuName is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._SkuName is None:
                self._SkuName = TAB_DEFAULT
        return self._SkuName

    ## Override SKUID_IDENTIFIER
    @SkuName.setter
    def SkuName(self, Value):
        self._SkuName = Value

    @property
    def FlashDefinition(self):
        if self._FlashDefinition is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._FlashDefinition is None:
                self._FlashDefinition = ''
        return self._FlashDefinition

    @property
    def Prebuild(self):
        if self._Prebuild is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._Prebuild is None:
                self._Prebuild = ''
        return self._Prebuild

    @property
    def Postbuild(self):
        if self._Postbuild is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._Postbuild is None:
                self._Postbuild = ''
        return self._Postbuild

    ## Retrieve FLASH_DEFINITION
    @property
    def BuildNumber(self):
        if self._BuildNumber is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._BuildNumber is None:
                self._BuildNumber = ''
        return self._BuildNumber

    ## Retrieve MAKEFILE_NAME
    @property
    def MakefileName(self):
        if self._MakefileName is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._MakefileName is None:
                self._MakefileName = ''
        return self._MakefileName

    ## Retrieve BsBaseAddress
    @property
    def BsBaseAddress(self):
        if self._BsBaseAddress is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._BsBaseAddress is None:
                self._BsBaseAddress = ''
        return self._BsBaseAddress

    ## Retrieve RtBaseAddress
    @property
    def RtBaseAddress(self):
        if self._RtBaseAddress is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._RtBaseAddress is None:
                self._RtBaseAddress = ''
        return self._RtBaseAddress

    ## Retrieve the top address for the load fix address
    @property
    def LoadFixAddress(self):
        if self._LoadFixAddress is None:
            if self._Header is None:
                self._GetHeaderInfo()

            if self._LoadFixAddress is None:
                self._LoadFixAddress = self._Macros.get(TAB_FIX_LOAD_TOP_MEMORY_ADDRESS, '0')

            try:
                self._LoadFixAddress = int (self._LoadFixAddress, 0)
            except:
                EdkLogger.error("build", PARAMETER_INVALID, "FIX_LOAD_TOP_MEMORY_ADDRESS %s is not valid dec or hex string" % (self._LoadFixAddress))

        #
        # If command line defined, should override the value in DSC file.
        #
        if 'FIX_LOAD_TOP_MEMORY_ADDRESS' in GlobalData.gCommandLineDefines:
            try:
                self._LoadFixAddress = int(GlobalData.gCommandLineDefines['FIX_LOAD_TOP_MEMORY_ADDRESS'], 0)
            except:
                EdkLogger.error("build", PARAMETER_INVALID, "FIX_LOAD_TOP_MEMORY_ADDRESS %s is not valid dec or hex string" % (GlobalData.gCommandLineDefines['FIX_LOAD_TOP_MEMORY_ADDRESS']))

        if self._LoadFixAddress < 0:
            EdkLogger.error("build", PARAMETER_INVALID, "FIX_LOAD_TOP_MEMORY_ADDRESS is set to the invalid negative value 0x%x" % (self._LoadFixAddress))
        if self._LoadFixAddress != 0xFFFFFFFFFFFFFFFF and self._LoadFixAddress % 0x1000 != 0:
            EdkLogger.error("build", PARAMETER_INVALID, "FIX_LOAD_TOP_MEMORY_ADDRESS is set to the invalid unaligned 4K value 0x%x" % (self._LoadFixAddress))

        return self._LoadFixAddress

    ## Retrieve RFCLanguage filter
    @property
    def RFCLanguages(self):
        if self._RFCLanguages is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._RFCLanguages is None:
                self._RFCLanguages = []
        return self._RFCLanguages

    ## Retrieve ISOLanguage filter
    @property
    def ISOLanguages(self):
        if self._ISOLanguages is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._ISOLanguages is None:
                self._ISOLanguages = []
        return self._ISOLanguages

    ## Retrieve the GUID string for VPD tool
    @property
    def VpdToolGuid(self):
        if self._VpdToolGuid is None:
            if self._Header is None:
                self._GetHeaderInfo()
            if self._VpdToolGuid is None:
                self._VpdToolGuid = ''
        return self._VpdToolGuid

    ## Retrieve [SkuIds] section information
    @property
    def SkuIds(self):
        if self._SkuIds is None:
            self._SkuIds = OrderedDict()
            RecordList = self._RawData[MODEL_EFI_SKU_ID, self._Arch]
            for Record in RecordList:
                if not Record[0]:
                    EdkLogger.error('build', FORMAT_INVALID, 'No Sku ID number',
                                    File=self.MetaFile, Line=Record[-1])
                if not Record[1]:
                    EdkLogger.error('build', FORMAT_INVALID, 'No Sku ID name',
                                    File=self.MetaFile, Line=Record[-1])
                if not Pattern.match(Record[0]) and not HexPattern.match(Record[0]):
                    EdkLogger.error('build', FORMAT_INVALID, "The format of the Sku ID number is invalid. It only support Integer and HexNumber",
                                    File=self.MetaFile, Line=Record[-1])
                if not SkuIdPattern.match(Record[1]) or (Record[2] and not SkuIdPattern.match(Record[2])):
                    EdkLogger.error('build', FORMAT_INVALID, "The format of the Sku ID name is invalid. The correct format is '(a-zA-Z_)(a-zA-Z0-9_)*'",
                                    File=self.MetaFile, Line=Record[-1])
                self._SkuIds[Record[1].upper()] = (str(DscBuildData.ToInt(Record[0])), Record[1].upper(), Record[2].upper())
            if TAB_DEFAULT not in self._SkuIds:
                self._SkuIds[TAB_DEFAULT] = ("0", TAB_DEFAULT, TAB_DEFAULT)
            if TAB_COMMON not in self._SkuIds:
                self._SkuIds[TAB_COMMON] = ("0", TAB_DEFAULT, TAB_DEFAULT)
        return self._SkuIds

    @staticmethod
    def ToInt(intstr):
        return int(intstr, 16) if intstr.upper().startswith("0X") else int(intstr)

    def _GetDefaultStores(self):
        if self.DefaultStores is None:
            self.DefaultStores = OrderedDict()
            RecordList = self._RawData[MODEL_EFI_DEFAULT_STORES, self._Arch]
            for Record in RecordList:
                if not Record[0]:
                    EdkLogger.error('build', FORMAT_INVALID, 'No DefaultStores ID number',
                                    File=self.MetaFile, Line=Record[-1])
                if not Record[1]:
                    EdkLogger.error('build', FORMAT_INVALID, 'No DefaultStores ID name',
                                    File=self.MetaFile, Line=Record[-1])
                if not Pattern.match(Record[0]) and not HexPattern.match(Record[0]):
                    EdkLogger.error('build', FORMAT_INVALID, "The format of the DefaultStores ID number is invalid. It only support Integer and HexNumber",
                                    File=self.MetaFile, Line=Record[-1])
                if not IsValidWord(Record[1]):
                    EdkLogger.error('build', FORMAT_INVALID, "The format of the DefaultStores ID name is invalid. The correct format is '(a-zA-Z0-9_)(a-zA-Z0-9_-.)*'",
                                    File=self.MetaFile, Line=Record[-1])
                self.DefaultStores[Record[1].upper()] = (DscBuildData.ToInt(Record[0]), Record[1].upper())
            if TAB_DEFAULT_STORES_DEFAULT not in self.DefaultStores:
                self.DefaultStores[TAB_DEFAULT_STORES_DEFAULT] = (0, TAB_DEFAULT_STORES_DEFAULT)
            GlobalData.gDefaultStores = sorted(self.DefaultStores.keys())
        return self.DefaultStores

    def OverrideDuplicateModule(self):
        RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
        Macros = self._Macros
        Components = {}
        for Record in RecordList:
            ModuleId = Record[6]
            file_guid = self._RawData[MODEL_META_DATA_HEADER, self._Arch, None, ModuleId]
            file_guid_str = file_guid[0][2] if file_guid else "NULL"
            ModuleFile = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
            if self._Arch != TAB_ARCH_COMMON and (file_guid_str,str(ModuleFile)) in Components:
                self._RawData.DisableOverrideComponent(Components[(file_guid_str,str(ModuleFile))])
            Components[(file_guid_str,str(ModuleFile))] = ModuleId
        self._RawData._PostProcessed = False
    ## Retrieve [Components] section information
    @property
    def Modules(self):
        if self._Modules is not None:
            return self._Modules
        self.OverrideDuplicateModule()
        self._Modules = OrderedDict()
        RecordList = self._RawData[MODEL_META_DATA_COMPONENT, self._Arch]
        Macros = self._Macros
        for Record in RecordList:
            ModuleFile = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
            ModuleId = Record[6]
            LineNo = Record[7]

            # check the file validation
            ErrorCode, ErrorInfo = ModuleFile.Validate('.inf')
            if ErrorCode != 0:
                EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=LineNo,
                                ExtraData=ErrorInfo)

            Module = ModuleBuildClassObject()
            Module.MetaFile = ModuleFile

            # get module private library instance
            RecordList = self._RawData[MODEL_EFI_LIBRARY_CLASS, self._Arch, None, ModuleId]
            for Record in RecordList:
                LibraryClass = Record[0]
                LibraryPath = PathClass(NormPath(Record[1], Macros), GlobalData.gWorkspace, Arch=self._Arch)
                LineNo = Record[-1]

                # check the file validation
                ErrorCode, ErrorInfo = LibraryPath.Validate('.inf')
                if ErrorCode != 0:
                    EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=LineNo,
                                    ExtraData=ErrorInfo)

                if LibraryClass == '' or LibraryClass == 'NULL':
                    self._NullLibraryNumber += 1
                    LibraryClass = 'NULL%d' % self._NullLibraryNumber
                    EdkLogger.verbose("Found forced library for %s\n\t%s [%s]" % (ModuleFile, LibraryPath, LibraryClass))
                Module.LibraryClasses[LibraryClass] = LibraryPath
                if LibraryPath not in self.LibraryInstances:
                    self.LibraryInstances.append(LibraryPath)

            # get module private PCD setting
            for Type in [MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE, \
                         MODEL_PCD_FEATURE_FLAG, MODEL_PCD_DYNAMIC, MODEL_PCD_DYNAMIC_EX]:
                RecordList = self._RawData[Type, self._Arch, None, ModuleId]
                for TokenSpaceGuid, PcdCName, Setting, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
                    TokenList = GetSplitValueList(Setting)
                    DefaultValue = TokenList[0]
                    # the format is PcdName| Value | VOID* | MaxDatumSize
                    if len(TokenList) > 2:
                        MaxDatumSize = TokenList[2]
                    else:
                        MaxDatumSize = ''
                    TypeString = self._PCD_TYPE_STRING_[Type]
                    Pcd = PcdClassObject(
                            PcdCName,
                            TokenSpaceGuid,
                            TypeString,
                            '',
                            DefaultValue,
                            '',
                            MaxDatumSize,
                            {},
                            False,
                            None
                            )
                    Module.Pcds[PcdCName, TokenSpaceGuid] = Pcd

            # get module private build options
            RecordList = self._RawData[MODEL_META_DATA_BUILD_OPTION, self._Arch, None, ModuleId]
            for ToolChainFamily, ToolChain, Option, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
                if (ToolChainFamily, ToolChain) not in Module.BuildOptions:
                    Module.BuildOptions[ToolChainFamily, ToolChain] = Option
                else:
                    OptionString = Module.BuildOptions[ToolChainFamily, ToolChain]
                    Module.BuildOptions[ToolChainFamily, ToolChain] = OptionString + " " + Option

            RecordList = self._RawData[MODEL_META_DATA_HEADER, self._Arch, None, ModuleId]
            if RecordList:
                if len(RecordList) != 1:
                    EdkLogger.error('build', OPTION_UNKNOWN, 'Only FILE_GUID can be listed in <Defines> section.',
                                    File=self.MetaFile, ExtraData=str(ModuleFile), Line=LineNo)
                ModuleFile = ProcessDuplicatedInf(ModuleFile, RecordList[0][2], GlobalData.gWorkspace)
                ModuleFile.Arch = self._Arch

            self._Modules[ModuleFile] = Module
        return self._Modules

    ## Retrieve all possible library instances used in this platform
    @property
    def LibraryInstances(self):
        if self._LibraryInstances is None:
            self.LibraryClasses
        return self._LibraryInstances

    ## Retrieve [LibraryClasses] information
    @property
    def LibraryClasses(self):
        if self._LibraryClasses is None:
            self._LibraryInstances = []
            #
            # tdict is a special dict kind of type, used for selecting correct
            # library instance for given library class and module type
            #
            LibraryClassDict = tdict(True, 3)
            # track all library class names
            LibraryClassSet = set()
            RecordList = self._RawData[MODEL_EFI_LIBRARY_CLASS, self._Arch, None, -1]
            Macros = self._Macros
            for Record in RecordList:
                LibraryClass, LibraryInstance, Dummy, Arch, ModuleType, Dummy, Dummy, LineNo = Record
                if LibraryClass == '' or LibraryClass == 'NULL':
                    self._NullLibraryNumber += 1
                    LibraryClass = 'NULL%d' % self._NullLibraryNumber
                    EdkLogger.verbose("Found forced library for arch=%s\n\t%s [%s]" % (Arch, LibraryInstance, LibraryClass))
                LibraryClassSet.add(LibraryClass)
                LibraryInstance = PathClass(NormPath(LibraryInstance, Macros), GlobalData.gWorkspace, Arch=self._Arch)
                # check the file validation
                ErrorCode, ErrorInfo = LibraryInstance.Validate('.inf')
                if ErrorCode != 0:
                    EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=LineNo,
                                    ExtraData=ErrorInfo)

                if ModuleType != TAB_COMMON and ModuleType not in SUP_MODULE_LIST:
                    EdkLogger.error('build', OPTION_UNKNOWN, "Unknown module type [%s]" % ModuleType,
                                    File=self.MetaFile, ExtraData=LibraryInstance, Line=LineNo)
                LibraryClassDict[Arch, ModuleType, LibraryClass] = LibraryInstance
                if LibraryInstance not in self._LibraryInstances:
                    self._LibraryInstances.append(LibraryInstance)

            # resolve the specific library instance for each class and each module type
            self._LibraryClasses = tdict(True)
            for LibraryClass in LibraryClassSet:
                # try all possible module types
                for ModuleType in SUP_MODULE_LIST:
                    LibraryInstance = LibraryClassDict[self._Arch, ModuleType, LibraryClass]
                    if LibraryInstance is None:
                        continue
                    self._LibraryClasses[LibraryClass, ModuleType] = LibraryInstance

            RecordList = self._RawData[MODEL_EFI_LIBRARY_INSTANCE, self._Arch]
            for Record in RecordList:
                File = PathClass(NormPath(Record[0], Macros), GlobalData.gWorkspace, Arch=self._Arch)
                LineNo = Record[-1]
                # check the file validation
                ErrorCode, ErrorInfo = File.Validate('.inf')
                if ErrorCode != 0:
                    EdkLogger.error('build', ErrorCode, File=self.MetaFile, Line=LineNo,
                                    ExtraData=ErrorInfo)
                if File not in self._LibraryInstances:
                    self._LibraryInstances.append(File)
                #
                # we need the module name as the library class name, so we have
                # to parse it here. (self._Bdb[] will trigger a file parse if it
                # hasn't been parsed)
                #
                Library = self._Bdb[File, self._Arch, self._Target, self._Toolchain]
                self._LibraryClasses[Library.BaseName, ':dummy:'] = Library
        return self._LibraryClasses

    def _ValidatePcd(self, PcdCName, TokenSpaceGuid, Setting, PcdType, LineNo):
        if not self._DecPcds:

            FdfInfList = []
            if GlobalData.gFdfParser:
                FdfInfList = GlobalData.gFdfParser.Profile.InfList

            PkgSet = set()
            for Inf in FdfInfList:
                ModuleFile = PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch=self._Arch)
                if ModuleFile in self._Modules:
                    continue
                ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
                PkgSet.update(ModuleData.Packages)

            self._DecPcds, self._GuidDict = GetDeclaredPcd(self, self._Bdb, self._Arch, self._Target, self._Toolchain, PkgSet)
            self._GuidDict.update(GlobalData.gPlatformPcds)

        if (PcdCName, TokenSpaceGuid) not in self._DecPcds:
            EdkLogger.error('build', PARSER_ERROR,
                            "Pcd (%s.%s) defined in DSC is not declared in DEC files referenced in INF files in FDF. Arch: ['%s']" % (TokenSpaceGuid, PcdCName, self._Arch),
                            File=self.MetaFile, Line=LineNo)
        ValueList, IsValid, Index = AnalyzeDscPcd(Setting, PcdType, self._DecPcds[PcdCName, TokenSpaceGuid].DatumType)
        if not IsValid:
            if PcdType not in [MODEL_PCD_FEATURE_FLAG, MODEL_PCD_FIXED_AT_BUILD]:
                EdkLogger.error('build', FORMAT_INVALID, "Pcd format incorrect.", File=self.MetaFile, Line=LineNo,
                                ExtraData="%s.%s|%s" % (TokenSpaceGuid, PcdCName, Setting))
            else:
                if ValueList[2] == '-1':
                    EdkLogger.error('build', FORMAT_INVALID, "Pcd format incorrect.", File=self.MetaFile, Line=LineNo,
                                ExtraData="%s.%s|%s" % (TokenSpaceGuid, PcdCName, Setting))
        if ValueList[Index]:
            DatumType = self._DecPcds[PcdCName, TokenSpaceGuid].DatumType
            if "{CODE(" not in ValueList[Index]:
                try:
                    ValueList[Index] = ValueExpressionEx(ValueList[Index], DatumType, self._GuidDict)(True)
                except BadExpression as Value:
                    EdkLogger.error('Parser', FORMAT_INVALID, Value, File=self.MetaFile, Line=LineNo,
                                    ExtraData="PCD [%s.%s] Value \"%s\" " % (
                                    TokenSpaceGuid, PcdCName, ValueList[Index]))
                except EvaluationException as Excpt:
                    if hasattr(Excpt, 'Pcd'):
                        if Excpt.Pcd in GlobalData.gPlatformOtherPcds:
                            EdkLogger.error('Parser', FORMAT_INVALID, "Cannot use this PCD (%s) in an expression as"
                                            " it must be defined in a [PcdsFixedAtBuild] or [PcdsFeatureFlag] section"
                                            " of the DSC file" % Excpt.Pcd,
                                            File=self.MetaFile, Line=LineNo)
                        else:
                            EdkLogger.error('Parser', FORMAT_INVALID, "PCD (%s) is not defined in DSC file" % Excpt.Pcd,
                                            File=self.MetaFile, Line=LineNo)
                    else:
                        EdkLogger.error('Parser', FORMAT_INVALID, "Invalid expression: %s" % str(Excpt),
                                        File=self.MetaFile, Line=LineNo)

        if ValueList[Index]:
            Valid, ErrStr = CheckPcdDatum(self._DecPcds[PcdCName, TokenSpaceGuid].DatumType, ValueList[Index])
            if not Valid:
                EdkLogger.error('build', FORMAT_INVALID, ErrStr, File=self.MetaFile, Line=LineNo,
                                ExtraData="%s.%s" % (TokenSpaceGuid, PcdCName))
            if PcdType in (MODEL_PCD_DYNAMIC_DEFAULT, MODEL_PCD_DYNAMIC_EX_DEFAULT, MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE):
                if self._DecPcds[PcdCName, TokenSpaceGuid].DatumType.strip() != ValueList[1].strip():
                    EdkLogger.error('build', FORMAT_INVALID, "Pcd datumtype used in DSC file is not the same as its declaration in DEC file.", File=self.MetaFile, Line=LineNo,
                                ExtraData="%s.%s|%s" % (TokenSpaceGuid, PcdCName, Setting))
        if (TokenSpaceGuid + '.' + PcdCName) in GlobalData.gPlatformPcds:
            if GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] != ValueList[Index]:
                GlobalData.gPlatformPcds[TokenSpaceGuid + '.' + PcdCName] = ValueList[Index]
        return ValueList

    def _FilterPcdBySkuUsage(self, Pcds):
        available_sku = self.SkuIdMgr.AvailableSkuIdSet
        sku_usage = self.SkuIdMgr.SkuUsageType
        if sku_usage == SkuClass.SINGLE:
            for pcdname in Pcds:
                pcd = Pcds[pcdname]
                Pcds[pcdname].SkuInfoList = {TAB_DEFAULT:pcd.SkuInfoList[skuid] for skuid in pcd.SkuInfoList if skuid in available_sku}
                if isinstance(pcd, StructurePcd) and pcd.SkuOverrideValues:
                    Pcds[pcdname].SkuOverrideValues = {TAB_DEFAULT:pcd.SkuOverrideValues[skuid] for skuid in pcd.SkuOverrideValues if skuid in available_sku}
        else:
            for pcdname in Pcds:
                pcd = Pcds[pcdname]
                Pcds[pcdname].SkuInfoList = {skuid:pcd.SkuInfoList[skuid] for skuid in pcd.SkuInfoList if skuid in available_sku}
                if isinstance(pcd, StructurePcd) and pcd.SkuOverrideValues:
                    Pcds[pcdname].SkuOverrideValues = {skuid:pcd.SkuOverrideValues[skuid] for skuid in pcd.SkuOverrideValues if skuid in available_sku}
        return Pcds

    def CompleteHiiPcdsDefaultStores(self, Pcds):
        HiiPcd = [Pcds[pcd] for pcd in Pcds if Pcds[pcd].Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]]
        DefaultStoreMgr = DefaultStore(self.DefaultStores)
        for pcd in HiiPcd:
            for skuid in pcd.SkuInfoList:
                skuobj = pcd.SkuInfoList.get(skuid)
                if TAB_DEFAULT_STORES_DEFAULT not in skuobj.DefaultStoreDict:
                    PcdDefaultStoreSet = set(defaultstorename  for defaultstorename in skuobj.DefaultStoreDict)
                    mindefaultstorename = DefaultStoreMgr.GetMin(PcdDefaultStoreSet)
                    skuobj.DefaultStoreDict[TAB_DEFAULT_STORES_DEFAULT] = skuobj.DefaultStoreDict[mindefaultstorename]
        return Pcds

    def RecoverCommandLinePcd(self):
        def UpdateCommandLineValue(pcd):
            if pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                pcd.PcdValueFromComm = pcd.DefaultValue
            elif pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                pcd.PcdValueFromComm = pcd.SkuInfoList.get(TAB_DEFAULT).HiiDefaultValue
            else:
                pcd.PcdValueFromComm = pcd.SkuInfoList.get(TAB_DEFAULT).DefaultValue
        for pcd in self._Pcds:
            if isinstance(self._Pcds[pcd], StructurePcd) and (self._Pcds[pcd].PcdValueFromComm or self._Pcds[pcd].PcdFieldValueFromComm):
                UpdateCommandLineValue(self._Pcds[pcd])

    def __ParsePcdFromCommandLine(self):
        if GlobalData.BuildOptionPcd:
            for i, pcd in enumerate(GlobalData.BuildOptionPcd):
                if isinstance(pcd, tuple):
                    continue
                (pcdname, pcdvalue) = pcd.split('=')
                if not pcdvalue:
                    EdkLogger.error('build', AUTOGEN_ERROR, "No Value specified for the PCD %s." % (pcdname))
                if '.' in pcdname:
                    (Name1, Name2) = pcdname.split('.', 1)
                    if "." in Name2:
                        (Name3, FieldName) = Name2.split(".", 1)
                        if ((Name3, Name1)) in self.DecPcds:
                            HasTokenSpace = True
                            TokenCName = Name3
                            TokenSpaceGuidCName = Name1
                        else:
                            FieldName = Name2
                            TokenCName = Name1
                            TokenSpaceGuidCName = ''
                            HasTokenSpace = False
                    else:
                        if ((Name2, Name1)) in self.DecPcds:
                            HasTokenSpace = True
                            TokenCName = Name2
                            TokenSpaceGuidCName = Name1
                            FieldName =""
                        else:
                            FieldName = Name2
                            TokenCName = Name1
                            TokenSpaceGuidCName = ''
                            HasTokenSpace = False
                else:
                    FieldName = ""
                    TokenCName = pcdname
                    TokenSpaceGuidCName = ''
                    HasTokenSpace = False
                TokenSpaceGuidCNameList = []
                FoundFlag = False
                PcdDatumType = ''
                DisplayName = TokenCName
                if FieldName:
                    DisplayName = TokenCName + '.' + FieldName
                if not HasTokenSpace:
                    for key in self.DecPcds:
                        PcdItem = self.DecPcds[key]
                        if TokenCName == PcdItem.TokenCName:
                            if not PcdItem.TokenSpaceGuidCName in TokenSpaceGuidCNameList:
                                if len (TokenSpaceGuidCNameList) < 1:
                                    TokenSpaceGuidCNameList.append(PcdItem.TokenSpaceGuidCName)
                                    TokenSpaceGuidCName = PcdItem.TokenSpaceGuidCName
                                    PcdDatumType = PcdItem.DatumType
                                    FoundFlag = True
                                else:
                                    EdkLogger.error(
                                            'build',
                                             AUTOGEN_ERROR,
                                            "The Pcd %s is found under multiple different TokenSpaceGuid: %s and %s." % (DisplayName, PcdItem.TokenSpaceGuidCName, TokenSpaceGuidCNameList[0])
                                            )
                else:
                    if (TokenCName, TokenSpaceGuidCName) in self.DecPcds:
                        PcdDatumType = self.DecPcds[(TokenCName, TokenSpaceGuidCName)].DatumType
                        FoundFlag = True
                if not FoundFlag:
                    if HasTokenSpace:
                        EdkLogger.error('build', AUTOGEN_ERROR, "The Pcd %s.%s is not found in the DEC file." % (TokenSpaceGuidCName, DisplayName))
                    else:
                        EdkLogger.error('build', AUTOGEN_ERROR, "The Pcd %s is not found in the DEC file." % (DisplayName))
                pcdvalue = pcdvalue.replace("\\\\\\'", '\\\\\\"').replace('\\\'', '\'').replace('\\\\\\"', "\\'")
                if FieldName:
                    pcdvalue = DscBuildData.HandleFlexiblePcd(TokenSpaceGuidCName, TokenCName, pcdvalue, PcdDatumType, self._GuidDict, FieldName)
                else:
                    pcdvalue = DscBuildData.HandleFlexiblePcd(TokenSpaceGuidCName, TokenCName, pcdvalue, PcdDatumType, self._GuidDict)
                    IsValid, Cause = CheckPcdDatum(PcdDatumType, pcdvalue)
                    if not IsValid:
                        EdkLogger.error("build", FORMAT_INVALID, Cause, ExtraData="%s.%s" % (TokenSpaceGuidCName, TokenCName))
                GlobalData.BuildOptionPcd[i] = (TokenSpaceGuidCName, TokenCName, FieldName, pcdvalue, ("build command options", 1))

        if GlobalData.BuildOptionPcd:
            for pcd in GlobalData.BuildOptionPcd:
                (TokenSpaceGuidCName, TokenCName, FieldName, pcdvalue, _) = pcd
                for BuildData in self._Bdb._CACHE_.values():
                    if BuildData.Arch != self.Arch:
                        continue
                    if BuildData.MetaFile.Ext == '.dec' or BuildData.MetaFile.Ext == '.dsc':
                        continue
                    for key in BuildData.Pcds:
                        PcdItem = BuildData.Pcds[key]
                        if (TokenSpaceGuidCName, TokenCName) == (PcdItem.TokenSpaceGuidCName, PcdItem.TokenCName) and FieldName =="":
                            PcdItem.DefaultValue = pcdvalue
                            PcdItem.PcdValueFromComm = pcdvalue
        #In command line, the latter full assign value in commandLine should override the former field assign value.
        #For example, --pcd Token.pcd.field="" --pcd Token.pcd=H"{}"
        delete_assign = []
        field_assign = {}
        if GlobalData.BuildOptionPcd:
            for pcdTuple in GlobalData.BuildOptionPcd:
                TokenSpaceGuid, Token, Field = pcdTuple[0], pcdTuple[1], pcdTuple[2]
                if Field:
                    if (TokenSpaceGuid, Token) not in field_assign:
                        field_assign[TokenSpaceGuid, Token] = []
                    field_assign[TokenSpaceGuid, Token].append(pcdTuple)
                else:
                    if (TokenSpaceGuid, Token) in field_assign:
                        delete_assign.extend(field_assign[TokenSpaceGuid, Token])
                        field_assign[TokenSpaceGuid, Token] = []
            for item in delete_assign:
                GlobalData.BuildOptionPcd.remove(item)

    @staticmethod
    def HandleFlexiblePcd(TokenSpaceGuidCName, TokenCName, PcdValue, PcdDatumType, GuidDict, FieldName=''):
        if FieldName:
            IsArray = False
            TokenCName += '.' + FieldName
        if PcdValue.startswith('H'):
            if FieldName and _IsFieldValueAnArray(PcdValue[1:]):
                PcdDatumType = TAB_VOID
                IsArray = True
            if FieldName and not IsArray:
                return PcdValue
            try:
                PcdValue = ValueExpressionEx(PcdValue[1:], PcdDatumType, GuidDict)(True)
            except BadExpression as Value:
                EdkLogger.error('Parser', FORMAT_INVALID, 'PCD [%s.%s] Value "%s",  %s' %
                                (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
        elif PcdValue.startswith("L'") or PcdValue.startswith("'"):
            if FieldName and _IsFieldValueAnArray(PcdValue):
                PcdDatumType = TAB_VOID
                IsArray = True
            if FieldName and not IsArray:
                return PcdValue
            try:
                PcdValue = ValueExpressionEx(PcdValue, PcdDatumType, GuidDict)(True)
            except BadExpression as Value:
                EdkLogger.error('Parser', FORMAT_INVALID, 'PCD [%s.%s] Value "%s",  %s' %
                                (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
        elif PcdValue.startswith('L'):
            PcdValue = 'L"' + PcdValue[1:] + '"'
            if FieldName and _IsFieldValueAnArray(PcdValue):
                PcdDatumType = TAB_VOID
                IsArray = True
            if FieldName and not IsArray:
                return PcdValue
            try:
                PcdValue = ValueExpressionEx(PcdValue, PcdDatumType, GuidDict)(True)
            except BadExpression as Value:
                EdkLogger.error('Parser', FORMAT_INVALID, 'PCD [%s.%s] Value "%s",  %s' %
                                (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
        else:
            if PcdValue.upper() == 'FALSE':
                PcdValue = str(0)
            if PcdValue.upper() == 'TRUE':
                PcdValue = str(1)
            if not FieldName:
                if PcdDatumType not in TAB_PCD_NUMERIC_TYPES:
                    PcdValue = '"' + PcdValue + '"'
                elif not PcdValue.isdigit() and not PcdValue.upper().startswith('0X'):
                    PcdValue = '"' + PcdValue + '"'
            else:
                IsArray = False
                Base = 10
                if PcdValue.upper().startswith('0X'):
                    Base = 16
                try:
                    Num = int(PcdValue, Base)
                except:
                    PcdValue = '"' + PcdValue + '"'
                if _IsFieldValueAnArray(PcdValue):
                    PcdDatumType = TAB_VOID
                    IsArray = True
                if not IsArray:
                    return PcdValue
            try:
                PcdValue = ValueExpressionEx(PcdValue, PcdDatumType, GuidDict)(True)
            except BadExpression as Value:
                EdkLogger.error('Parser', FORMAT_INVALID, 'PCD [%s.%s] Value "%s",  %s' %
                                (TokenSpaceGuidCName, TokenCName, PcdValue, Value))
        return PcdValue

    ## Retrieve all PCD settings in platform
    @property
    def Pcds(self):
        if self._Pcds is None:
            self._Pcds = OrderedDict()
            self.__ParsePcdFromCommandLine()
            self._Pcds.update(self._GetPcd(MODEL_PCD_FIXED_AT_BUILD))
            self._Pcds.update(self._GetPcd(MODEL_PCD_PATCHABLE_IN_MODULE))
            self._Pcds.update(self._GetPcd(MODEL_PCD_FEATURE_FLAG))
            self._Pcds.update(self._GetDynamicPcd(MODEL_PCD_DYNAMIC_DEFAULT))
            self._Pcds.update(self._GetDynamicHiiPcd(MODEL_PCD_DYNAMIC_HII))
            self._Pcds.update(self._GetDynamicVpdPcd(MODEL_PCD_DYNAMIC_VPD))
            self._Pcds.update(self._GetDynamicPcd(MODEL_PCD_DYNAMIC_EX_DEFAULT))
            self._Pcds.update(self._GetDynamicHiiPcd(MODEL_PCD_DYNAMIC_EX_HII))
            self._Pcds.update(self._GetDynamicVpdPcd(MODEL_PCD_DYNAMIC_EX_VPD))

            self._Pcds = self.CompletePcdValues(self._Pcds)
            self._Pcds = self.OverrideByFdfOverAll(self._Pcds)
            self._Pcds = self.OverrideByCommOverAll(self._Pcds)
            self._Pcds = self.UpdateStructuredPcds(MODEL_PCD_TYPE_LIST, self._Pcds)
            self._Pcds = self.CompleteHiiPcdsDefaultStores(self._Pcds)
            self._Pcds = self._FilterPcdBySkuUsage(self._Pcds)

            self.RecoverCommandLinePcd()
        return self._Pcds

    ## Retrieve [BuildOptions]
    @property
    def BuildOptions(self):
        if self._BuildOptions is None:
            self._BuildOptions = OrderedDict()
            #
            # Retrieve build option for EDKII and EDK style module
            #
            for CodeBase in (EDKII_NAME, EDK_NAME):
                RecordList = self._RawData[MODEL_META_DATA_BUILD_OPTION, self._Arch, CodeBase]
                for ToolChainFamily, ToolChain, Option, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
                    if Dummy3.upper() != TAB_COMMON:
                        continue
                    CurKey = (ToolChainFamily, ToolChain, CodeBase)
                    #
                    # Only flags can be appended
                    #
                    if CurKey not in self._BuildOptions or not ToolChain.endswith('_FLAGS') or Option.startswith('='):
                        self._BuildOptions[CurKey] = Option
                    else:
                        if ' ' + Option not in self._BuildOptions[CurKey]:
                            self._BuildOptions[CurKey] += ' ' + Option
        return self._BuildOptions

    def GetBuildOptionsByModuleType(self, Edk, ModuleType):
        if self._ModuleTypeOptions is None:
            self._ModuleTypeOptions = OrderedDict()
        if (Edk, ModuleType) not in self._ModuleTypeOptions:
            options = OrderedDict()
            self._ModuleTypeOptions[Edk, ModuleType] = options
            DriverType = '%s.%s' % (Edk, ModuleType)
            CommonDriverType = '%s.%s' % (TAB_COMMON, ModuleType)
            RecordList = self._RawData[MODEL_META_DATA_BUILD_OPTION, self._Arch]
            for ToolChainFamily, ToolChain, Option, Dummy1, Dummy2, Dummy3, Dummy4, Dummy5 in RecordList:
                Type = Dummy2 + '.' + Dummy3
                if Type.upper() == DriverType.upper() or Type.upper() == CommonDriverType.upper():
                    Key = (ToolChainFamily, ToolChain, Edk)
                    if Key not in options or not ToolChain.endswith('_FLAGS') or Option.startswith('='):
                        options[Key] = Option
                    else:
                        if ' ' + Option not in options[Key]:
                            options[Key] += ' ' + Option
        return self._ModuleTypeOptions[Edk, ModuleType]

    @staticmethod
    def GetStructurePcdInfo(PcdSet):
        structure_pcd_data = defaultdict(list)
        for item in PcdSet:
            structure_pcd_data[(item[0], item[1])].append(item)

        return structure_pcd_data

    @staticmethod
    def OverrideByFdf(StruPcds,workspace):
        if GlobalData.gFdfParser is None:
            return StruPcds
        StructurePcdInFdf = OrderedDict()
        fdfpcd = GlobalData.gFdfParser.Profile.PcdDict
        fdfpcdlocation = GlobalData.gFdfParser.Profile.PcdLocalDict
        for item in fdfpcd :
            if len(item[2]) and (item[0],item[1]) in StruPcds:
                StructurePcdInFdf[(item[1],item[0],item[2] )] = fdfpcd[item]
        GlobalPcds = {(item[0],item[1]) for item in StructurePcdInFdf}
        for Pcd in StruPcds.values():
            if (Pcd.TokenSpaceGuidCName,Pcd.TokenCName) not in GlobalPcds:
                continue
            FieldValues = OrderedDict()
            for item in StructurePcdInFdf:
                if (Pcd.TokenSpaceGuidCName,Pcd.TokenCName) == (item[0],item[1]) and item[2]:
                    FieldValues[item[2]] = StructurePcdInFdf[item]
            for field in FieldValues:
                if field not in Pcd.PcdFieldValueFromFdf:
                    Pcd.PcdFieldValueFromFdf[field] = ["","",""]
                Pcd.PcdFieldValueFromFdf[field][0] = FieldValues[field]
                Pcd.PcdFieldValueFromFdf[field][1] = os.path.relpath(fdfpcdlocation[(Pcd.TokenCName,Pcd.TokenSpaceGuidCName,field)][0],workspace)
                Pcd.PcdFieldValueFromFdf[field][2] = fdfpcdlocation[(Pcd.TokenCName,Pcd.TokenSpaceGuidCName,field)][1]

        return StruPcds

    @staticmethod
    def OverrideByComm(StruPcds):
        StructurePcdInCom = OrderedDict()
        for item in GlobalData.BuildOptionPcd:
            if len(item) == 5 and (item[1], item[0]) in StruPcds:
                StructurePcdInCom[(item[0], item[1], item[2] )] = (item[3], item[4])
        GlobalPcds = {(item[0], item[1]) for item in StructurePcdInCom}
        for Pcd in StruPcds.values():
            if (Pcd.TokenSpaceGuidCName, Pcd.TokenCName) not in GlobalPcds:
                continue
            FieldValues = OrderedDict()
            for item in StructurePcdInCom:
                if (Pcd.TokenSpaceGuidCName, Pcd.TokenCName) == (item[0], item[1]) and item[2]:
                    FieldValues[item[2]] = StructurePcdInCom[item]
            for field in FieldValues:
                if field not in Pcd.PcdFieldValueFromComm:
                    Pcd.PcdFieldValueFromComm[field] = ["", "", ""]
                Pcd.PcdFieldValueFromComm[field][0] = FieldValues[field][0]
                Pcd.PcdFieldValueFromComm[field][1] = FieldValues[field][1][0]
                Pcd.PcdFieldValueFromComm[field][2] = FieldValues[field][1][1]
        return StruPcds

    def OverrideByCommOverAll(self,AllPcds):
        def CheckStructureInComm(commpcds):
            if not commpcds:
                return False
            if len(commpcds[0]) == 5:
                return True
            return False
        NoFiledValues = OrderedDict()
        if CheckStructureInComm(GlobalData.BuildOptionPcd):
            StructurePcdInCom = OrderedDict()
            for item in GlobalData.BuildOptionPcd:
                StructurePcdInCom[(item[0], item[1], item[2] )] = (item[3], item[4])
            for item in StructurePcdInCom:
                if not item[2]:
                    NoFiledValues[(item[0], item[1])] = StructurePcdInCom[item]
        else:
            for item in GlobalData.BuildOptionPcd:
                NoFiledValues[(item[0], item[1])] = [item[2]]
        for Guid, Name in NoFiledValues:
            if (Name, Guid) in AllPcds:
                Pcd = AllPcds.get((Name, Guid))
                if isinstance(self._DecPcds.get((Pcd.TokenCName, Pcd.TokenSpaceGuidCName), None), StructurePcd):
                    self._DecPcds.get((Pcd.TokenCName, Pcd.TokenSpaceGuidCName)).PcdValueFromComm = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                else:
                    Pcd.PcdValueFromComm = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                    Pcd.DefaultValue = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                    for sku in Pcd.SkuInfoList:
                        SkuInfo = Pcd.SkuInfoList[sku]
                        if SkuInfo.DefaultValue:
                            SkuInfo.DefaultValue = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                        else:
                            SkuInfo.HiiDefaultValue = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                            for defaultstore in SkuInfo.DefaultStoreDict:
                                SkuInfo.DefaultStoreDict[defaultstore] = NoFiledValues[(Pcd.TokenSpaceGuidCName, Pcd.TokenCName)][0]
                    if Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII]]:
                        if Pcd.DatumType == TAB_VOID:
                            if not Pcd.MaxDatumSize:
                                Pcd.MaxDatumSize = '0'
                            CurrentSize = int(Pcd.MaxDatumSize, 16) if Pcd.MaxDatumSize.upper().startswith("0X") else int(Pcd.MaxDatumSize)
                            OptionSize = len((StringToArray(Pcd.PcdValueFromComm)).split(","))
                            MaxSize = max(CurrentSize, OptionSize)
                            Pcd.MaxDatumSize = str(MaxSize)
            else:
                PcdInDec = self.DecPcds.get((Name, Guid))
                if PcdInDec:
                    PcdInDec.PcdValueFromComm = NoFiledValues[(Guid, Name)][0]
                    if PcdInDec.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_FEATURE_FLAG],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX]]:
                        self.Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
                        self.Pcds[Name, Guid].DefaultValue = NoFiledValues[( Guid, Name)][0]
                    if PcdInDec.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX]]:
                        self.Pcds[Name, Guid].SkuInfoList = {TAB_DEFAULT:SkuInfoClass(TAB_DEFAULT, self.SkuIds[TAB_DEFAULT][0], '', '', '', '', '', NoFiledValues[( Guid, Name)][0])}
        return AllPcds

    def OverrideByFdfOverAll(self,AllPcds):

        if GlobalData.gFdfParser is None:
            return AllPcds
        NoFiledValues = GlobalData.gFdfParser.Profile.PcdDict
        for Name,Guid,Field in NoFiledValues:
            if len(Field):
                continue
            Value = NoFiledValues[(Name,Guid,Field)]
            if (Name,Guid) in AllPcds:
                Pcd = AllPcds.get((Name,Guid))
                if isinstance(self._DecPcds.get((Pcd.TokenCName,Pcd.TokenSpaceGuidCName), None),StructurePcd):
                    self._DecPcds.get((Pcd.TokenCName,Pcd.TokenSpaceGuidCName)).PcdValueFromComm = Value
                else:
                    Pcd.PcdValueFromComm = Value
                    Pcd.DefaultValue = Value
                    for sku in Pcd.SkuInfoList:
                        SkuInfo = Pcd.SkuInfoList[sku]
                        if SkuInfo.DefaultValue:
                            SkuInfo.DefaultValue = Value
                        else:
                            SkuInfo.HiiDefaultValue = Value
                            for defaultstore in SkuInfo.DefaultStoreDict:
                                SkuInfo.DefaultStoreDict[defaultstore] = Value
                    if Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII]]:
                        if Pcd.DatumType == TAB_VOID:
                            if not Pcd.MaxDatumSize:
                                Pcd.MaxDatumSize = '0'
                            CurrentSize = int(Pcd.MaxDatumSize,16) if Pcd.MaxDatumSize.upper().startswith("0X") else int(Pcd.MaxDatumSize)
                            OptionSize = len((StringToArray(Pcd.PcdValueFromComm)).split(","))
                            MaxSize = max(CurrentSize, OptionSize)
                            Pcd.MaxDatumSize = str(MaxSize)
            else:
                PcdInDec = self.DecPcds.get((Name,Guid))
                if PcdInDec:
                    PcdInDec.PcdValueFromFdf = Value
                    if PcdInDec.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_FEATURE_FLAG]]:
                        self.Pcds[Name, Guid] = copy.deepcopy(PcdInDec)
                        self.Pcds[Name, Guid].DefaultValue = Value
        return AllPcds

    def ParsePcdNameStruct(self,NamePart1,NamePart2):
        TokenSpaceCName = PcdCName = DimensionAttr = Field = ""
        if "." in NamePart1:
            TokenSpaceCName, TempPcdCName = NamePart1.split(".")
            if "[" in TempPcdCName:
                PcdCName = TempPcdCName[:TempPcdCName.index("[")]
                DimensionAttr = TempPcdCName[TempPcdCName.index("["):]
            else:
                PcdCName = TempPcdCName
            Field = NamePart2
        else:
            TokenSpaceCName = NamePart1
            if "[" in NamePart2:
                PcdCName = NamePart2[:NamePart2.index("[")]
                DimensionAttr = NamePart2[NamePart2.index("["):]
            else:
                PcdCName = NamePart2

        return TokenSpaceCName,PcdCName,DimensionAttr,Field

    def UpdateStructuredPcds(self, TypeList, AllPcds):

        DynamicPcdType = [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_DEFAULT],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_VPD],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_DEFAULT],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_VPD]]

        Pcds = AllPcds
        DefaultStoreMgr = DefaultStore(self.DefaultStores)
        SkuIds = self.SkuIds
        self.SkuIdMgr.AvailableSkuIdSet.update({TAB_DEFAULT:0})
        DefaultStores = {storename for pcdobj in AllPcds.values() for skuobj in pcdobj.SkuInfoList.values() for storename in skuobj.DefaultStoreDict}
        DefaultStores.add(TAB_DEFAULT_STORES_DEFAULT)

        S_PcdSet = []
        # Find out all possible PCD candidates for self._Arch
        RecordList = []

        for Type in TypeList:
            RecordList.extend(self._RawData[Type, self._Arch])

        for TokenSpaceGuid, PcdCName, Setting, Arch, SkuName, default_store, Dummy4, Dummy5 in RecordList:
            SkuName = SkuName.upper()
            default_store = default_store.upper()
            SkuName = TAB_DEFAULT if SkuName == TAB_COMMON else SkuName
            if SkuName not in SkuIds:
                continue
            TCName,PCName,DimensionAttr,Field = self.ParsePcdNameStruct(TokenSpaceGuid, PcdCName)
            pcd_in_dec = self._DecPcds.get((PCName,TCName), None)
            if pcd_in_dec is None:
                EdkLogger.error('build', PARSER_ERROR,
                            "Pcd (%s.%s) defined in DSC is not declared in DEC files. Arch: ['%s']" % (TCName, PCName, self._Arch),
                            File=self.MetaFile, Line = Dummy5)
            if SkuName in SkuIds and ("." in TokenSpaceGuid or "[" in PcdCName):
                if not isinstance (pcd_in_dec, StructurePcd):
                    EdkLogger.error('build', PARSER_ERROR,
                                "Pcd (%s.%s) is not declared as Structure PCD in DEC files. Arch: ['%s']" % (TCName, PCName, self._Arch),
                                File=self.MetaFile, Line = Dummy5)

                S_PcdSet.append([ TCName,PCName,DimensionAttr,Field, SkuName, default_store, Dummy5, AnalyzePcdExpression(Setting)[0]])

        # handle pcd value override
        StrPcdSet = DscBuildData.GetStructurePcdInfo(S_PcdSet)
        S_pcd_set = OrderedDict()
        for str_pcd in StrPcdSet:
            str_pcd_obj = Pcds.get((str_pcd[1], str_pcd[0]), None)
            str_pcd_dec = self._DecPcds.get((str_pcd[1], str_pcd[0]), None)
            str_pcd_obj_str = StructurePcd()
            str_pcd_obj_str.copy(str_pcd_dec)
            if str_pcd_obj:
                str_pcd_obj_str.copy(str_pcd_obj)
                if str_pcd_obj.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                    str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore: str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue) for defaultstore in DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
                else:
                    str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore: str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].DefaultValue) for defaultstore in DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
            for str_pcd_data in StrPcdSet[str_pcd]:
                if str_pcd_data[4] in SkuIds:
                    str_pcd_obj_str.AddOverrideValue(str_pcd_data[3], str(str_pcd_data[7]), TAB_DEFAULT if str_pcd_data[4] == TAB_COMMON else str_pcd_data[4], TAB_DEFAULT_STORES_DEFAULT if str_pcd_data[5] == TAB_COMMON else str_pcd_data[5], self.MetaFile.File if self.WorkspaceDir not in self.MetaFile.File else self.MetaFile.File[len(self.WorkspaceDir) if self.WorkspaceDir.endswith(os.path.sep) else len(self.WorkspaceDir)+1:], LineNo=str_pcd_data[6],DimensionAttr = str_pcd_data[2])
            S_pcd_set[str_pcd[1], str_pcd[0]] = str_pcd_obj_str

        # Add the Structure PCD that only defined in DEC, don't have override in DSC file
        for Pcd in self.DecPcds:
            if isinstance(self._DecPcds[Pcd], StructurePcd):
                if Pcd not in S_pcd_set:
                    str_pcd_obj_str = StructurePcd()
                    str_pcd_obj_str.copy(self._DecPcds[Pcd])
                    str_pcd_obj = Pcds.get(Pcd, None)
                    if str_pcd_obj:
                        str_pcd_obj_str.copy(str_pcd_obj)
                        if str_pcd_obj.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                            str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore: str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue) for defaultstore in DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
                        else:
                            str_pcd_obj_str.DefaultFromDSC = {skuname:{defaultstore: str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore, str_pcd_obj.SkuInfoList[skuname].DefaultValue) for defaultstore in DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
                    S_pcd_set[Pcd] = str_pcd_obj_str
        if S_pcd_set:
            GlobalData.gStructurePcd[self.Arch] = S_pcd_set.copy()
        self.FilterStrcturePcd(S_pcd_set)
        for stru_pcd in S_pcd_set.values():
            for skuid in SkuIds:
                if skuid in stru_pcd.SkuOverrideValues:
                    continue
                nextskuid = self.SkuIdMgr.GetNextSkuId(skuid)
                NoDefault = False
                if skuid not in stru_pcd.SkuOverrideValues:
                    while nextskuid not in stru_pcd.SkuOverrideValues:
                        if nextskuid == TAB_DEFAULT:
                            NoDefault = True
                            break
                        nextskuid = self.SkuIdMgr.GetNextSkuId(nextskuid)
                    stru_pcd.SkuOverrideValues[skuid] = copy.deepcopy(stru_pcd.SkuOverrideValues[nextskuid]) if not NoDefault else copy.deepcopy({defaultstorename: stru_pcd.DefaultValues for defaultstorename in DefaultStores} if DefaultStores else {}) #{TAB_DEFAULT_STORES_DEFAULT:stru_pcd.DefaultValues})
                    if not NoDefault:
                        stru_pcd.ValueChain.add((skuid, ''))
                if 'DEFAULT' in stru_pcd.SkuOverrideValues and not GlobalData.gPcdSkuOverrides.get((stru_pcd.TokenCName, stru_pcd.TokenSpaceGuidCName)):
                    GlobalData.gPcdSkuOverrides.update(
                        {(stru_pcd.TokenCName, stru_pcd.TokenSpaceGuidCName): {'DEFAULT':stru_pcd.SkuOverrideValues['DEFAULT']}})
            if stru_pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                for skuid in SkuIds:
                    nextskuid = skuid
                    NoDefault = False
                    if skuid not in stru_pcd.SkuOverrideValues:
                        while nextskuid not in stru_pcd.SkuOverrideValues:
                            if nextskuid == TAB_DEFAULT:
                                NoDefault = True
                                break
                            nextskuid = self.SkuIdMgr.GetNextSkuId(nextskuid)
                    if NoDefault:
                        continue
                    PcdDefaultStoreSet = set(defaultstorename  for defaultstorename in stru_pcd.SkuOverrideValues[nextskuid])
                    mindefaultstorename = DefaultStoreMgr.GetMin(PcdDefaultStoreSet)

                    for defaultstoreid in DefaultStores:
                        if defaultstoreid not in stru_pcd.SkuOverrideValues[skuid]:
                            stru_pcd.SkuOverrideValues[skuid][defaultstoreid] = CopyDict(stru_pcd.SkuOverrideValues[nextskuid][mindefaultstorename])
                            stru_pcd.ValueChain.add((skuid, defaultstoreid))
        S_pcd_set = DscBuildData.OverrideByFdf(S_pcd_set,self.WorkspaceDir)
        S_pcd_set = DscBuildData.OverrideByComm(S_pcd_set)
        Str_Pcd_Values = self.GenerateByteArrayValue(S_pcd_set)
        if Str_Pcd_Values:
            for (skuname, StoreName, PcdGuid, PcdName, PcdValue) in Str_Pcd_Values:
                str_pcd_obj = S_pcd_set.get((PcdName, PcdGuid))
                if str_pcd_obj is None:
                    print(PcdName, PcdGuid)
                    raise
                if str_pcd_obj.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                    if skuname not in str_pcd_obj.SkuInfoList:
                        str_pcd_obj.SkuInfoList[skuname] = SkuInfoClass(SkuIdName=skuname, SkuId=self.SkuIds[skuname][0], HiiDefaultValue=PcdValue, DefaultStore = {StoreName:PcdValue})
                    else:
                        str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue = PcdValue
                        str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.update({StoreName:PcdValue})
                elif str_pcd_obj.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                    if skuname in (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT, TAB_COMMON):
                        str_pcd_obj.DefaultValue = PcdValue
                else:
                    if skuname not in str_pcd_obj.SkuInfoList:
                        nextskuid = self.SkuIdMgr.GetNextSkuId(skuname)
                        NoDefault = False
                        while nextskuid not in str_pcd_obj.SkuInfoList:
                            if nextskuid == TAB_DEFAULT:
                                NoDefault = True
                                break
                            nextskuid = self.SkuIdMgr.GetNextSkuId(nextskuid)
                        str_pcd_obj.SkuInfoList[skuname] = copy.deepcopy(str_pcd_obj.SkuInfoList[nextskuid]) if not NoDefault else SkuInfoClass(SkuIdName=skuname, SkuId=self.SkuIds[skuname][0], DefaultValue=PcdValue)
                        str_pcd_obj.SkuInfoList[skuname].SkuId = self.SkuIds[skuname][0]
                        str_pcd_obj.SkuInfoList[skuname].SkuIdName = skuname
                    else:
                        str_pcd_obj.SkuInfoList[skuname].DefaultValue = PcdValue
            for str_pcd_obj in S_pcd_set.values():
                if str_pcd_obj.Type not in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
                                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                    continue
                PcdDefaultStoreSet = set(defaultstorename for skuobj in str_pcd_obj.SkuInfoList.values() for defaultstorename in skuobj.DefaultStoreDict)
                DefaultStoreObj = DefaultStore(self._GetDefaultStores())
                mindefaultstorename = DefaultStoreObj.GetMin(PcdDefaultStoreSet)
                str_pcd_obj.SkuInfoList[self.SkuIdMgr.SystemSkuId].HiiDefaultValue = str_pcd_obj.SkuInfoList[self.SkuIdMgr.SystemSkuId].DefaultStoreDict[mindefaultstorename]

            for str_pcd_obj in S_pcd_set.values():

                str_pcd_obj.MaxDatumSize = DscBuildData.GetStructurePcdMaxSize(str_pcd_obj)
                Pcds[str_pcd_obj.TokenCName, str_pcd_obj.TokenSpaceGuidCName] = str_pcd_obj
                Pcds[str_pcd_obj.TokenCName, str_pcd_obj.TokenSpaceGuidCName].CustomAttribute['IsStru']=True

            for pcdkey in Pcds:
                pcd = Pcds[pcdkey]
                if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                    pcd.SkuInfoList[TAB_DEFAULT] = pcd.SkuInfoList[TAB_COMMON]
                    del pcd.SkuInfoList[TAB_COMMON]
                elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                    del pcd.SkuInfoList[TAB_COMMON]

        list(map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if Pcds[pcdkey].Type in DynamicPcdType]))
        return Pcds
    @cached_property
    def PlatformUsedPcds(self):
        FdfInfList = []
        if GlobalData.gFdfParser:
            FdfInfList = GlobalData.gFdfParser.Profile.InfList
        FdfModuleList = [PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch=self._Arch) for Inf in FdfInfList]
        AllModulePcds = set()
        ModuleSet = set(list(self._Modules.keys()) + FdfModuleList)
        for ModuleFile in ModuleSet:
            ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
            AllModulePcds = AllModulePcds | ModuleData.PcdsName
        for ModuleFile in self.LibraryInstances:
            ModuleData = self._Bdb.CreateBuildObject(ModuleFile, self._Arch, self._Target, self._Toolchain)
            AllModulePcds = AllModulePcds | ModuleData.PcdsName
        return AllModulePcds

    #Filter the StrucutrePcd that is not used by any module in dsc file and fdf file.
    def FilterStrcturePcd(self, S_pcd_set):
        UnusedStruPcds = set(S_pcd_set.keys()) - self.PlatformUsedPcds
        for (Token, TokenSpaceGuid) in UnusedStruPcds:
            del S_pcd_set[(Token, TokenSpaceGuid)]

    ## Retrieve non-dynamic PCD settings
    #
    #   @param  Type    PCD type
    #
    #   @retval a dict object contains settings of given PCD type
    #
    def _GetPcd(self, Type):
        Pcds = OrderedDict()
        #
        # tdict is a special dict kind of type, used for selecting correct
        # PCD settings for certain ARCH
        #
        AvailableSkuIdSet = copy.copy(self.SkuIds)

        PcdDict = tdict(True, 4)
        PcdSet = set()
        # Find out all possible PCD candidates for self._Arch
        RecordList = self._RawData[Type, self._Arch]
        PcdValueDict = OrderedDict()
        for TokenSpaceGuid, PcdCName, Setting, Arch, SkuName, Dummy3, Dummy4, Dummy5 in RecordList:
            SkuName = SkuName.upper()
            SkuName = TAB_DEFAULT if SkuName == TAB_COMMON else SkuName
            if SkuName not in AvailableSkuIdSet:
                EdkLogger.error('build ', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                            File=self.MetaFile, Line=Dummy5)
            if SkuName in (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT, TAB_COMMON):
                if "." not in TokenSpaceGuid and "[" not in PcdCName:
                    PcdSet.add((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
                PcdDict[Arch, PcdCName, TokenSpaceGuid, SkuName] = Setting

        for PcdCName, TokenSpaceGuid, SkuName, Dummy4 in PcdSet:
            Setting = PcdDict[self._Arch, PcdCName, TokenSpaceGuid, SkuName]
            if Setting is None:
                continue
            PcdValue, DatumType, MaxDatumSize = self._ValidatePcd(PcdCName, TokenSpaceGuid, Setting, Type, Dummy4)
            if MaxDatumSize:
                if int(MaxDatumSize, 0) > 0xFFFF:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value must not exceed the maximum value of 0xFFFF (UINT16) for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
                if int(MaxDatumSize, 0) < 0:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value can't be set to negative value for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
            if (PcdCName, TokenSpaceGuid) in PcdValueDict:
                PcdValueDict[PcdCName, TokenSpaceGuid][SkuName] = (PcdValue, DatumType, MaxDatumSize)
            else:
                PcdValueDict[PcdCName, TokenSpaceGuid] = {SkuName:(PcdValue, DatumType, MaxDatumSize)}

        for ((PcdCName, TokenSpaceGuid), PcdSetting) in PcdValueDict.items():
            if self.SkuIdMgr.SystemSkuId in PcdSetting:
                PcdValue, DatumType, MaxDatumSize = PcdSetting[self.SkuIdMgr.SystemSkuId]
            elif TAB_DEFAULT in PcdSetting:
                PcdValue, DatumType, MaxDatumSize = PcdSetting[TAB_DEFAULT]
            elif TAB_COMMON in PcdSetting:
                PcdValue, DatumType, MaxDatumSize = PcdSetting[TAB_COMMON]
            else:
                PcdValue = None
                DatumType = None
                MaxDatumSize = None

            Pcds[PcdCName, TokenSpaceGuid] = PcdClassObject(
                                                PcdCName,
                                                TokenSpaceGuid,
                                                self._PCD_TYPE_STRING_[Type],
                                                DatumType,
                                                PcdValue,
                                                '',
                                                MaxDatumSize,
                                                {},
                                                False,
                                                None,
                                                IsDsc=True)
            for SkuName in PcdValueDict[PcdCName, TokenSpaceGuid]:
                Settings = PcdValueDict[PcdCName, TokenSpaceGuid][SkuName]
                if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                    Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
                Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = Settings[0]
        return Pcds

    @staticmethod
    def GetStructurePcdMaxSize(str_pcd):
        pcd_default_value = str_pcd.DefaultValue
        sku_values = [skuobj.HiiDefaultValue if str_pcd.Type in [DscBuildData._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], DscBuildData._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]] else skuobj.DefaultValue for skuobj in str_pcd.SkuInfoList.values()]
        sku_values.append(pcd_default_value)

        def get_length(value):
            Value = value.strip()
            if len(value) > 1:
                if Value.startswith(TAB_GUID) and Value.endswith(')'):
                    return 16
                if Value.startswith('L"') and Value.endswith('"'):
                    return len(Value[2:-1])
                if Value[0] == '"' and Value[-1] == '"':
                    return len(Value) - 2
                if Value.strip().startswith("{CODE("):
                    tmpValue = RemoveCComments(Value)
                    return len(tmpValue.split(","))
                if (Value[0] == '{' and Value[-1] == '}'):
                    return len(Value.split(","))
                if Value.startswith("L'") and Value.endswith("'") and len(list(Value[2:-1])) > 1:
                    return  len(list(Value[2:-1]))
                if Value[0] == "'" and Value[-1] == "'" and len(list(Value[1:-1])) > 1:
                    return len(Value) - 2
            return len(Value)

        return str(max(get_length(item) for item in sku_values))

    @staticmethod
    def ExecuteCommand (Command):
        try:
            Process = subprocess.Popen(Command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
        except:
            EdkLogger.error('Build', COMMAND_FAILURE, 'Can not execute command: %s' % Command)
        Result = Process.communicate()
        return Process.returncode, Result[0].decode(encoding='utf-8', errors='ignore'), Result[1].decode(encoding='utf-8', errors='ignore')

    @staticmethod
    def IntToCString(Value, ValueSize):
        Result = '"'
        if not isinstance (Value, str):
            for Index in range(0, ValueSize):
                Result = Result + '\\x%02x' % (Value & 0xff)
                Value = Value >> 8
        Result = Result + '"'
        return Result

    def GenerateSizeFunction(self, Pcd):
        CApp = "// Default Value in Dec \n"
        CApp = CApp + "void Cal_%s_%s_Size(UINT32 *Size){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        if Pcd.IsArray():
            if Pcd.Type in PCD_DYNAMIC_TYPE_SET | PCD_DYNAMIC_EX_TYPE_SET:
                for skuname in Pcd.SkuInfoList:
                    skuobj = Pcd.SkuInfoList[skuname]
                    if skuobj.VariableName:
                        for defaultstore in skuobj.DefaultStoreDict:
                            pcddef = self.GetPcdDscRawDefaultValue(Pcd,skuname,defaultstore)
                            if pcddef and "{CODE(" in pcddef:
                                CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore)
                    else:
                        pcddef = self.GetPcdDscRawDefaultValue(Pcd,skuname,TAB_DEFAULT_STORES_DEFAULT)
                        if pcddef and "{CODE(" in pcddef:
                            CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT)
            else:
                pcddef = self.GetPcdDscRawDefaultValue(Pcd,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT)
                if pcddef and "{CODE(" in pcddef:
                    CApp += "  *Size = (sizeof (%s_%s_%s_%s_Value) > *Size ? sizeof (%s_%s_%s_%s_Value) : *Size);\n" % (Pcd.TokenSpaceGuidCName,Pcd.TokenCName,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,TAB_DEFAULT,TAB_DEFAULT_STORES_DEFAULT)
        for index in Pcd.DefaultValues:
            FieldList = Pcd.DefaultValues[index]
            if not FieldList:
                continue
            for FieldName in FieldList:
                FieldName = "." + FieldName
                IsArray = _IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
                if IsArray and not (FieldList[FieldName.strip(".")][0].startswith('{GUID') and FieldList[FieldName.strip(".")][0].endswith('}')):
                    try:
                        Value = ValueExpressionEx(FieldList[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
                    except BadExpression:
                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName.strip('.'))), FieldList[FieldName.strip(".")][1], FieldList[FieldName.strip(".")][2]))
                    Value, ValueSize = ParseFieldValue(Value)
                    if not Pcd.IsArray:
                        CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %% __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0));  // From %s Line %d Value %s \n' % (Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), FieldList[FieldName.strip(".")][1], FieldList[FieldName.strip(".")][2], FieldList[FieldName.strip(".")][0]);
                else:
                    NewFieldName = ''
                    FieldName_ori = FieldName.strip('.')
                    while '[' in  FieldName:
                        NewFieldName = NewFieldName + FieldName.split('[', 1)[0] + '[0]'
                        ArrayIndex = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                        FieldName = FieldName.split(']', 1)[1]
                    FieldName = NewFieldName + FieldName
                    while '[' in FieldName and not Pcd.IsArray:
                        FieldName = FieldName.rsplit('[', 1)[0]
                        CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, FieldList[FieldName_ori][1], FieldList[FieldName_ori][2], FieldList[FieldName_ori][0])
        for skuname in Pcd.SkuOverrideValues:
            if skuname == TAB_COMMON:
                continue
            for defaultstorenameitem in Pcd.SkuOverrideValues[skuname]:
                CApp = CApp + "// SkuName: %s,  DefaultStoreName: %s \n" % (skuname, defaultstorenameitem)
                for index in Pcd.SkuOverrideValues[skuname][defaultstorenameitem]:
                    for FieldList in [Pcd.SkuOverrideValues[skuname][defaultstorenameitem][index]]:
                        if not FieldList:
                            continue
                        for FieldName in FieldList:
                            FieldName = "." + FieldName
                            IsArray = _IsFieldValueAnArray(FieldList[FieldName.strip(".")][0])
                            if IsArray and not (FieldList[FieldName.strip(".")][0].startswith('{GUID') and FieldList[FieldName.strip(".")][0].endswith('}')):
                                try:
                                    Value = ValueExpressionEx(FieldList[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
                                except BadExpression:
                                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                                    (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName.strip('.'))), FieldList[FieldName.strip(".")][1], FieldList[FieldName.strip(".")][2]))
                                Value, ValueSize = ParseFieldValue(Value)
                                if not Pcd.IsArray:
                                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %% __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0)); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), FieldList[FieldName.strip(".")][1], FieldList[FieldName.strip(".")][2], FieldList[FieldName.strip(".")][0]);
                            else:
                                NewFieldName = ''
                                FieldName_ori = FieldName.strip('.')
                                while '[' in  FieldName:
                                    NewFieldName = NewFieldName + FieldName.split('[', 1)[0] + '[0]'
                                    ArrayIndex = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                                    FieldName = FieldName.split(']', 1)[1]
                                FieldName = NewFieldName + FieldName
                                while '[' in FieldName and not Pcd.IsArray:
                                    FieldName = FieldName.rsplit('[', 1)[0]
                                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %d Value %s \n' % (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, FieldList[FieldName_ori][1], FieldList[FieldName_ori][2], FieldList[FieldName_ori][0])
        if Pcd.PcdFieldValueFromFdf:
            CApp = CApp + "// From fdf \n"
        for FieldName in Pcd.PcdFieldValueFromFdf:
            FieldName = "." + FieldName
            IsArray = _IsFieldValueAnArray(Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0])
            if IsArray and not (Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0].startswith('{GUID') and Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0].endswith('}')):
                try:
                    Value = ValueExpressionEx(Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
                except BadExpression:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                    (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName.strip('.'))), Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][1], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][2]))
                Value, ValueSize = ParseFieldValue(Value)
                if not Pcd.IsArray:
                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %% __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0)); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][1], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][2], Pcd.PcdFieldValueFromFdf[FieldName.strip(".")][0]);
            else:
                NewFieldName = ''
                FieldName_ori = FieldName.strip('.')
                while '[' in  FieldName:
                    NewFieldName = NewFieldName + FieldName.split('[', 1)[0] + '[0]'
                    ArrayIndex = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                    FieldName = FieldName.split(']', 1)[1]
                FieldName = NewFieldName + FieldName
                while '[' in FieldName:
                    FieldName = FieldName.rsplit('[', 1)[0]
                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %s Value %s \n' % (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, Pcd.PcdFieldValueFromFdf[FieldName_ori][1], Pcd.PcdFieldValueFromFdf[FieldName_ori][2], Pcd.PcdFieldValueFromFdf[FieldName_ori][0])
        if Pcd.PcdFieldValueFromComm:
            CApp = CApp + "// From Command Line \n"
        for FieldName in Pcd.PcdFieldValueFromComm:
            FieldName = "." + FieldName
            IsArray = _IsFieldValueAnArray(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0])
            if IsArray and not (Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0].startswith('{GUID') and Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0].endswith('}')):
                try:
                    Value = ValueExpressionEx(Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0], TAB_VOID, self._GuidDict)(True)
                except BadExpression:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                    (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName.strip('.'))), Pcd.PcdFieldValueFromComm[FieldName.strip(".")][1], Pcd.PcdFieldValueFromComm[FieldName.strip(".")][2]))
                Value, ValueSize = ParseFieldValue(Value)
                if not Pcd.IsArray:
                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d / __ARRAY_ELEMENT_SIZE(%s, %s) + ((%d %% __ARRAY_ELEMENT_SIZE(%s, %s)) ? 1 : 0)); // From %s Line %d Value %s\n' % (Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), ValueSize, Pcd.DatumType, FieldName.strip("."), Pcd.PcdFieldValueFromComm[FieldName.strip(".")][1], Pcd.PcdFieldValueFromComm[FieldName.strip(".")][2], Pcd.PcdFieldValueFromComm[FieldName.strip(".")][0]);
            else:
                NewFieldName = ''
                FieldName_ori = FieldName.strip('.')
                while '[' in  FieldName:
                    NewFieldName = NewFieldName + FieldName.split('[', 1)[0] + '[0]'
                    ArrayIndex = int(FieldName.split('[', 1)[1].split(']', 1)[0])
                    FieldName = FieldName.split(']', 1)[1]
                FieldName = NewFieldName + FieldName
                while '[' in FieldName and not Pcd.IsArray:
                    FieldName = FieldName.rsplit('[', 1)[0]
                    CApp = CApp + '  __FLEXIBLE_SIZE(*Size, %s, %s, %d); // From %s Line %d Value %s \n' % (Pcd.DatumType, FieldName.strip("."), ArrayIndex + 1, Pcd.PcdFieldValueFromComm[FieldName_ori][1], Pcd.PcdFieldValueFromComm[FieldName_ori][2], Pcd.PcdFieldValueFromComm[FieldName_ori][0])
        if Pcd.GetPcdMaxSize():
            CApp = CApp + "  *Size = (%d > *Size ? %d : *Size); // The Pcd maxsize is %d \n" % (Pcd.GetPcdMaxSize(), Pcd.GetPcdMaxSize(), Pcd.GetPcdMaxSize())
        CApp = CApp + "}\n"
        return CApp

    @staticmethod
    def GenerateSizeStatments(Pcd,skuname,defaultstorename):
        if Pcd.IsArray():
            r_datatype = [Pcd.BaseDatumType]
            lastoneisEmpty = False
            for dem in Pcd.Capacity:
                if lastoneisEmpty:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s.  " %
                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName))))
                if dem == '0' or dem == "-1":
                    r_datatype.append("[1]")
                    lastoneisEmpty = True
                else:
                    r_datatype.append("[" + dem + "]")

            if Pcd.Type in [MODEL_PCD_DYNAMIC_EX_HII, MODEL_PCD_DYNAMIC_HII]:
                PcdDefValue = Pcd.SkuInfoList.get(skuname).DefaultStoreDict.get(defaultstorename)
            elif Pcd.Type in [MODEL_PCD_DYNAMIC_EX_DEFAULT,MODEL_PCD_DYNAMIC_VPD,MODEL_PCD_DYNAMIC_DEFAULT,MODEL_PCD_DYNAMIC_EX_VPD]:
                PcdDefValue = Pcd.SkuInfoList.get(skuname).DefaultValue
            else:
                PcdDefValue = Pcd.DefaultValue
            if lastoneisEmpty:
                if "{CODE(" not in PcdDefValue:
                    sizebasevalue_plus = "(%s / sizeof(%s) + 1)" % ((DscBuildData.GetStructurePcdMaxSize(Pcd), Pcd.BaseDatumType))
                    sizebasevalue = "(%s / sizeof(%s))" % ((DscBuildData.GetStructurePcdMaxSize(Pcd), Pcd.BaseDatumType))
                    sizeof = "sizeof(%s)" % Pcd.BaseDatumType
                    CApp = '  int ArraySize = %s %% %s ? %s : %s ;\n' % ( (DscBuildData.GetStructurePcdMaxSize(Pcd), sizeof, sizebasevalue_plus, sizebasevalue))
                    CApp += '  Size = ArraySize * sizeof(%s); \n' % Pcd.BaseDatumType
                else:
                    CApp = "  Size = 0;\n"
            else:
                CApp = '  Size = sizeof(%s);\n' % ("".join(r_datatype) )
        else:
            CApp = '  Size = sizeof(%s);\n' % (Pcd.DatumType)
        CApp = CApp + '  Cal_%s_%s_Size(&Size);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        return CApp

    def GetIndicator(self,index,FieldName,Pcd):
        def cleanupindex(indexstr):
            return indexstr.strip("[").strip("]").strip()
        index_elements = ArrayIndex.findall(index)
        pcd_capacity = Pcd.Capacity
        if index:
            indicator = "(Pcd"
            if len(pcd_capacity)>2:
                for i in range(0,len(index_elements)):
                    index_ele = index_elements[i]
                    index_num = index_ele.strip("[").strip("]").strip()
                    if i == len(index_elements) -2:
                        indicator += "+ %d*Size/sizeof(%s)/%d + %s)" %(int(cleanupindex(index_elements[i+1])),Pcd.BaseDatumType,reduce(lambda x,y: int(x)*int(y),pcd_capacity[:-1]), cleanupindex(index_elements[i]))
                        break
                    else:
                        indicator += " + %d*%s*Size/sizeof(%s)/%d" %(int(cleanupindex(index_elements[i])),reduce(lambda x,y: int(x)*int(y),pcd_capacity[i+1:-1]),Pcd.BaseDatumType,reduce(lambda x,y: int(x)*int(y),pcd_capacity[:-1]))
            elif len(pcd_capacity) == 2:
                indicator += "+ %d*Size/sizeof(%s)/%d + %s)" %(int(cleanupindex(index_elements[0])),Pcd.BaseDatumType,int(pcd_capacity[0]), index_elements[1].strip("[").strip("]").strip())
            elif len(pcd_capacity) == 1:
                index_ele = index_elements[0]
                index_num = index_ele.strip("[").strip("]").strip()
                indicator += " + %s)" % (index_num)
        else:
            indicator = "Pcd"
        if FieldName:
            indicator += "->" + FieldName
        return indicator

    def GetStarNum(self,Pcd):
        if not Pcd.IsArray():
            return 1
        elif Pcd.IsSimpleTypeArray():
            return len(Pcd.Capacity)
        else:
            return len(Pcd.Capacity) + 1
    def GenerateDefaultValueAssignFunction(self, Pcd):
        CApp = "// Default value in Dec \n"
        CApp = CApp + "void Assign_%s_%s_Default_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.BaseDatumType)
        CApp = CApp + '  UINT32  FieldSize;\n'
        CApp = CApp + '  CHAR8   *Value;\n'
        DefaultValueFromDec = Pcd.DefaultValueFromDec
        IsArray = _IsFieldValueAnArray(Pcd.DefaultValueFromDec)
        if IsArray:
            try:
                DefaultValueFromDec = ValueExpressionEx(Pcd.DefaultValueFromDec, TAB_VOID)(True)
            except BadExpression:
                EdkLogger.error("Build", FORMAT_INVALID, "Invalid value format for %s.%s, from DEC: %s" %
                                (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, DefaultValueFromDec))
        DefaultValueFromDec = StringToArray(DefaultValueFromDec)
        Value, ValueSize = ParseFieldValue (DefaultValueFromDec)
        if IsArray:
        #
        # Use memcpy() to copy value into field
        #
            if "{CODE(" in Pcd.DefaultValueFromDec:
                CApp = CApp + '  memcpy (Pcd, %s_%s_INIT_Value, sizeof(%s_%s_INIT_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
            else:
                CApp = CApp + '  Value     = %s; // From DEC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultValueFromDec)
                CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
        elif isinstance(Value, str):
            CApp = CApp + '  Pcd = %s; // From DEC Default Value %s\n' % (Value, Pcd.DefaultValueFromDec)
        for index in Pcd.DefaultValues:
            FieldList = Pcd.DefaultValues[index]
            if not FieldList:
                continue
            for FieldName in FieldList:
                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                if IsArray:
                    try:
                        FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
                    except BadExpression:
                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))

                try:
                    Value, ValueSize = ParseFieldValue (FieldList[FieldName][0])
                except Exception:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))

                indicator = self.GetIndicator(index, FieldName,Pcd)
                if IsArray:
                    #
                    # Use memcpy() to copy value into field
                    #
                    CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                    CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  memcpy (&%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (indicator, ValueSize, ValueSize)
                elif isinstance(Value, str):
                    CApp = CApp + '  %s = %s; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                else:
                    if '[' in FieldName and ']' in FieldName:
                        Index = int(FieldName.split('[')[1].split(']')[0])
                        CApp = CApp + '  __STATIC_ASSERT((%d < __ARRAY_SIZE(Pcd->%s)) || (__ARRAY_SIZE(Pcd->%s) == 0), "array index exceeds the array number"); // From %s Line %d Index of %s\n' % (Index, FieldName.split('[')[0], FieldName.split('[')[0], FieldList[FieldName][1], FieldList[FieldName][2], FieldName)
                    if ValueSize > 4:
                        CApp = CApp + '  %s = %dULL; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    else:
                        CApp = CApp + '  %s = %d; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
        CApp = CApp + "}\n"
        return CApp

    @staticmethod
    def GenerateDefaultValueAssignStatement(Pcd):
        CApp = '  Assign_%s_%s_Default_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        return CApp

    def GetPcdDscRawDefaultValue(self,Pcd, SkuName,DefaultStoreName):
        if Pcd.Type in PCD_DYNAMIC_TYPE_SET or Pcd.Type in PCD_DYNAMIC_EX_TYPE_SET:
            if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT):
                pcddefaultvalue = Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT) if Pcd.DefaultFromDSC else None
            else:
                pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName)
        else:
            pcddefaultvalue = Pcd.DscRawValue.get(SkuName, {}).get(TAB_DEFAULT_STORES_DEFAULT)

        return pcddefaultvalue
    def GenerateInitValueFunction(self, Pcd, SkuName, DefaultStoreName):
        CApp = "// Value in Dsc for Sku: %s, DefaultStore %s\n" % (SkuName, DefaultStoreName)
        CApp = CApp + "void Assign_%s_%s_%s_%s_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, SkuName, DefaultStoreName, Pcd.BaseDatumType)
        CApp = CApp + '  UINT32  FieldSize;\n'
        CApp = CApp + '  CHAR8   *Value;\n'

        CApp = CApp + "// SkuName: %s,  DefaultStoreName: %s \n" % (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT)
        inherit_OverrideValues = Pcd.SkuOverrideValues[SkuName]

        pcddefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, SkuName, DefaultStoreName)
        if pcddefaultvalue:
            FieldList = pcddefaultvalue
            IsArray = _IsFieldValueAnArray(FieldList)
            if IsArray:
                if "{CODE(" not in FieldList:
                    try:
                        FieldList = ValueExpressionEx(FieldList, TAB_VOID)(True)
                    except BadExpression:
                        EdkLogger.error("Build", FORMAT_INVALID, "Invalid value format for %s.%s, from DSC: %s" %
                                        (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldList))
            Value, ValueSize = ParseFieldValue (FieldList)

            if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT):
                if isinstance(Value, str):
                    if "{CODE(" in Value:
                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                    else:
                        CApp = CApp + '  Pcd = %s; // From DSC Default Value %s\n' % (Value, Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    if Pcd.IsArray() and "{CODE(" in pcddefaultvalue:
                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                    else:
                        CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DefaultFromDSC.get(TAB_DEFAULT, {}).get(TAB_DEFAULT_STORES_DEFAULT, Pcd.DefaultValue) if Pcd.DefaultFromDSC else Pcd.DefaultValue)
                        CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
            else:
                if isinstance(Value, str):
                    if "{CODE(" in Value:
                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                    else:
                        CApp = CApp + '  Pcd = %s; // From DSC Default Value %s\n' % (Value, Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName))
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    if Pcd.IsArray() and "{CODE(" in pcddefaultvalue:
                        CApp = CApp + '  memcpy (Pcd, %s_%s_%s_%s_Value, sizeof(%s_%s_%s_%s_Value));\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName,Pcd.TokenSpaceGuidCName, Pcd.TokenCName,SkuName, DefaultStoreName)
                    else:
                        CApp = CApp + '  Value     = %s; // From DSC Default Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), Pcd.DscRawValue.get(SkuName, {}).get(DefaultStoreName))
                        CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)

        inheritvalue = inherit_OverrideValues.get(DefaultStoreName)
        if not inheritvalue:
            inheritvalue = []
        for index in inheritvalue:
            FieldList = inheritvalue[index]
            if not FieldList:
                continue
            if (SkuName, DefaultStoreName) == (TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT) or (( (SkuName, '') not in Pcd.ValueChain) and ( (SkuName, DefaultStoreName) not in Pcd.ValueChain )):
                for FieldName in FieldList:
                    indicator = self.GetIndicator(index, FieldName,Pcd)
                    IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                    if IsArray:
                        try:
                            FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
                        except BadExpression:
                            EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                            (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
                    try:
                        Value, ValueSize = ParseFieldValue (FieldList[FieldName][0])
                    except Exception:
                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
                    if isinstance(Value, str):
                        CApp = CApp + '  Pcd->%s = %s; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    elif IsArray:
                    #
                    # Use memcpy() to copy value into field
                    #
                        CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                        CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                        CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                        CApp = CApp + '  memcpy (&%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (indicator, ValueSize, ValueSize)
                    else:
                        if '[' in FieldName and ']' in FieldName:
                            Index = int(FieldName.split('[')[1].split(']')[0])
                            CApp = CApp + '  __STATIC_ASSERT((%d < __ARRAY_SIZE(Pcd->%s)) || (__ARRAY_SIZE(Pcd->%s) == 0), "array index exceeds the array number"); // From %s Line %d Index of %s\n' % (Index, FieldName.split('[')[0], FieldName.split('[')[0], FieldList[FieldName][1], FieldList[FieldName][2], FieldName)
                        if ValueSize > 4:
                            CApp = CApp + '  %s = %dULL; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                        else:
                            CApp = CApp + '  %s = %d; // From %s Line %d Value %s\n' % (indicator, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
        CApp = CApp + "}\n"
        return CApp

    @staticmethod
    def GenerateInitValueStatement(Pcd, SkuName, DefaultStoreName):
        CApp = '  Assign_%s_%s_%s_%s_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, SkuName, DefaultStoreName)
        return CApp

    def GenerateCommandLineValue(self, Pcd):
        CApp = "// Value in CommandLine\n"
        CApp = CApp + "void Assign_%s_%s_CommandLine_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.BaseDatumType)
        CApp = CApp + '  UINT32  FieldSize;\n'
        CApp = CApp + '  CHAR8   *Value;\n'

        pcddefaultvalue = Pcd.PcdValueFromComm
        for FieldList in [pcddefaultvalue, Pcd.PcdFieldValueFromComm]:
            if not FieldList:
                continue
            if pcddefaultvalue and FieldList == pcddefaultvalue:
                IsArray = _IsFieldValueAnArray(FieldList)
                if IsArray:
                    try:
                        FieldList = ValueExpressionEx(FieldList, TAB_VOID)(True)
                    except BadExpression:
                        EdkLogger.error("Build", FORMAT_INVALID, "Invalid value format for %s.%s, from Command: %s" %
                                        (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldList))
                Value, ValueSize = ParseFieldValue (FieldList)

                if isinstance(Value, str):
                    CApp = CApp + '  Pcd = %s; // From Command Line \n' % (Value)
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    CApp = CApp + '  Value     = %s; // From Command Line.\n' % (DscBuildData.IntToCString(Value, ValueSize))
                    CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
                continue
            for FieldName in FieldList:
                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                if IsArray:
                    try:
                        FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
                    except BadExpression:
                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
                    except:
                        print("error")
                try:
                    Value, ValueSize = ParseFieldValue (FieldList[FieldName][0])
                except Exception:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
                if isinstance(Value, str):
                    CApp = CApp + '  Pcd->%s = %s; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                    CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
                else:
                    if '[' in FieldName and ']' in FieldName:
                        Index = int(FieldName.split('[')[1].split(']')[0])
                        CApp = CApp + '  __STATIC_ASSERT((%d < __ARRAY_SIZE(Pcd->%s)) || (__ARRAY_SIZE(Pcd->%s) == 0), "array index exceeds the array number"); // From %s Line %d Index of %s\n' % (Index, FieldName.split('[')[0], FieldName.split('[')[0], FieldList[FieldName][1], FieldList[FieldName][2], FieldName)
                    if ValueSize > 4:
                        CApp = CApp + '  Pcd->%s = %dULL; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    else:
                        CApp = CApp + '  Pcd->%s = %d; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
        CApp = CApp + "}\n"
        return CApp

    @staticmethod
    def GenerateCommandLineValueStatement(Pcd):
        CApp = '  Assign_%s_%s_CommandLine_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        return CApp
    def GenerateFdfValue(self,Pcd):
        CApp = "// Value in Fdf\n"
        CApp = CApp + "void Assign_%s_%s_Fdf_Value(%s *Pcd){\n" % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName,Pcd.BaseDatumType)
        CApp = CApp + '  UINT32  FieldSize;\n'
        CApp = CApp + '  CHAR8   *Value;\n'

        pcddefaultvalue = Pcd.PcdValueFromFdf
        for FieldList in [pcddefaultvalue,Pcd.PcdFieldValueFromFdf]:
            if not FieldList:
                continue
            if pcddefaultvalue and FieldList == pcddefaultvalue:
                IsArray = _IsFieldValueAnArray(FieldList)
                if IsArray:
                    try:
                        FieldList = ValueExpressionEx(FieldList, TAB_VOID)(True)
                    except BadExpression:
                        EdkLogger.error("Build", FORMAT_INVALID, "Invalid value format for %s.%s, from Fdf: %s" %
                                        (Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldList))
                Value, ValueSize = ParseFieldValue (FieldList)

                if isinstance(Value, str):
                    CApp = CApp + '  Pcd = %s; // From Fdf \n' % (Value)
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    CApp = CApp + '  Value     = %s; // From Fdf .\n' % (DscBuildData.IntToCString(Value, ValueSize))
                    CApp = CApp + '  memcpy (Pcd, Value, %d);\n' % (ValueSize)
                continue
            for FieldName in FieldList:
                IsArray = _IsFieldValueAnArray(FieldList[FieldName][0])
                if IsArray:
                    try:
                        FieldList[FieldName][0] = ValueExpressionEx(FieldList[FieldName][0], TAB_VOID, self._GuidDict)(True)
                    except BadExpression:
                        EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " %
                                        (".".join((Pcd.TokenSpaceGuidCName, Pcd.TokenCName, FieldName)), FieldList[FieldName][1], FieldList[FieldName][2]))
                    except:
                        print("error")
                try:
                    Value, ValueSize = ParseFieldValue (FieldList[FieldName][0])
                except Exception:
                    EdkLogger.error('Build', FORMAT_INVALID, "Invalid value format for %s. From %s Line %d " % (".".join((Pcd.TokenSpaceGuidCName,Pcd.TokenCName,FieldName)),FieldList[FieldName][1], FieldList[FieldName][2]))
                if isinstance(Value, str):
                    CApp = CApp + '  Pcd->%s = %s; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                elif IsArray:
                #
                # Use memcpy() to copy value into field
                #
                    CApp = CApp + '  FieldSize = __FIELD_SIZE(%s, %s);\n' % (Pcd.BaseDatumType, FieldName)
                    CApp = CApp + '  Value     = %s; // From %s Line %d Value %s\n' % (DscBuildData.IntToCString(Value, ValueSize), FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  __STATIC_ASSERT((__FIELD_SIZE(%s, %s) >= %d) || (__FIELD_SIZE(%s, %s) == 0), "Input buffer exceeds the buffer array"); // From %s Line %d Value %s\n' % (Pcd.BaseDatumType, FieldName, ValueSize, Pcd.BaseDatumType, FieldName, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    CApp = CApp + '  memcpy (&Pcd->%s, Value, (FieldSize > 0 && FieldSize < %d) ? FieldSize : %d);\n' % (FieldName, ValueSize, ValueSize)
                else:
                    if '[' in FieldName and ']' in FieldName:
                        Index = int(FieldName.split('[')[1].split(']')[0])
                        CApp = CApp + '  __STATIC_ASSERT((%d < __ARRAY_SIZE(Pcd->%s)) || (__ARRAY_SIZE(Pcd->%s) == 0), "array index exceeds the array number"); // From %s Line %d Index of %s\n' % (Index, FieldName.split('[')[0], FieldName.split('[')[0], FieldList[FieldName][1], FieldList[FieldName][2], FieldName)
                    if ValueSize > 4:
                        CApp = CApp + '  Pcd->%s = %dULL; // From %s Line %d Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
                    else:
                        CApp = CApp + '  Pcd->%s = %d; // From %s Line %s Value %s\n' % (FieldName, Value, FieldList[FieldName][1], FieldList[FieldName][2], FieldList[FieldName][0])
        CApp = CApp + "}\n"
        return CApp

    @staticmethod
    def GenerateFdfValueStatement(Pcd):
        CApp = '  Assign_%s_%s_Fdf_Value(Pcd);\n' % (Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        return CApp

    def GenerateInitializeFunc(self, SkuName, DefaultStore, Pcd, InitByteValue, CApp):
        OverrideValues = {DefaultStore:{}}
        if Pcd.SkuOverrideValues:
            OverrideValues = Pcd.SkuOverrideValues[SkuName]
        if not OverrideValues:
            OverrideValues = {TAB_DEFAULT_STORES_DEFAULT:Pcd.DefaultValues}
        for DefaultStoreName in OverrideValues:
            CApp = CApp + 'void\n'
            CApp = CApp + 'Initialize_%s_%s_%s_%s(\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
            CApp = CApp + '  void\n'
            CApp = CApp + '  )\n'
            CApp = CApp + '{\n'
            CApp = CApp + '  UINT32  Size;\n'
            CApp = CApp + '  UINT32  FieldSize;\n'
            CApp = CApp + '  CHAR8   *Value;\n'
            CApp = CApp + '  UINT32  OriginalSize;\n'
            CApp = CApp + '  VOID    *OriginalPcd;\n'

            CApp = CApp + '  %s      *Pcd;  // From %s Line %d \n' % (Pcd.BaseDatumType,Pcd.PkgPath, Pcd.PcdDefineLineNo)

            CApp = CApp + '\n'

            PcdDefaultValue = StringToArray(Pcd.DefaultValueFromDec.strip())

            InitByteValue += '%s.%s.%s.%s|%s|%s\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName, Pcd.DatumType, PcdDefaultValue)

            #
            # Get current PCD value and size
            #
            CApp = CApp + '  OriginalPcd = PcdGetPtr (%s, %s, %s, %s, &OriginalSize);\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)

            #
            # Determine the size of the PCD.  For simple structures, sizeof(TYPE) provides
            # the correct value.  For structures with a flexible array member, the flexible
            # array member is detected, and the size is based on the highest index used with
            # the flexible array member.  The flexible array member must be the last field
            # in a structure.  The size formula for this case is:
            # OFFSET_OF(FlexbleArrayField) + sizeof(FlexibleArray[0]) * (HighestIndex + 1)
            #
            CApp = CApp + DscBuildData.GenerateSizeStatments(Pcd,SkuName,DefaultStoreName)

            #
            # Allocate and zero buffer for the PCD
            # Must handle cases where current value is smaller, larger, or same size
            # Always keep that larger one as the current size
            #
            CApp = CApp + '  Size = (OriginalSize > Size ? OriginalSize : Size);\n'
            CApp = CApp + '  Pcd     = (%s *)malloc (Size);\n' % (Pcd.BaseDatumType,)
            CApp = CApp + '  memset (Pcd, 0, Size);\n'

            #
            # Copy current PCD value into allocated buffer.
            #
            CApp = CApp + '  memcpy (Pcd, OriginalPcd, OriginalSize);\n'

            #
            # Assign field values in PCD
            #
            CApp = CApp + DscBuildData.GenerateDefaultValueAssignStatement(Pcd)
            if Pcd.Type not in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                for skuname in self.SkuIdMgr.GetSkuChain(SkuName):
                    storeset = [DefaultStoreName] if DefaultStoreName == TAB_DEFAULT_STORES_DEFAULT else [TAB_DEFAULT_STORES_DEFAULT, DefaultStoreName]
                    for defaultstorenameitem in storeset:
                        CApp = CApp + "// SkuName: %s,  DefaultStoreName: %s \n" % (skuname, defaultstorenameitem)
                        CApp = CApp + DscBuildData.GenerateInitValueStatement(Pcd, skuname, defaultstorenameitem)
                    if skuname == SkuName:
                        break
            else:
                CApp = CApp + "// SkuName: %s,  DefaultStoreName: STANDARD \n" % self.SkuIdMgr.SystemSkuId
                CApp = CApp + DscBuildData.GenerateInitValueStatement(Pcd, self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT)
            CApp = CApp + DscBuildData.GenerateFdfValueStatement(Pcd)
            CApp = CApp + DscBuildData.GenerateCommandLineValueStatement(Pcd)
            #
            # Set new PCD value and size
            #
            CApp = CApp + '  PcdSetPtr (%s, %s, %s, %s, Size, (void *)Pcd);\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)

            #
            # Free PCD
            #
            CApp = CApp + '  free (Pcd);\n'
            CApp = CApp + '}\n'
            CApp = CApp + '\n'
        return InitByteValue, CApp

    def GenerateArrayAssignment(self, Pcd):
        CApp = ""
        if not Pcd:
            return CApp
        if not Pcd.IsArray():
            return CApp
        Demesion = ""
        for d in Pcd.Capacity:
            Demesion += "[]"

        Value = Pcd.DefaultValueFromDec
        if "{CODE(" in Pcd.DefaultValueFromDec:
            realvalue = Pcd.DefaultValueFromDec.strip()[6:-2] # "{CODE(").rstrip(")}"
            CApp += "static %s %s_%s_INIT_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,Demesion,realvalue)

        if Pcd.Type in PCD_DYNAMIC_TYPE_SET | PCD_DYNAMIC_EX_TYPE_SET:
            for skuname in Pcd.SkuInfoList:
                skuinfo = Pcd.SkuInfoList[skuname]
                if skuinfo.VariableName:
                    for defaultstore in skuinfo.DefaultStoreDict:
                        pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, skuname, defaultstore)
                        if pcddscrawdefaultvalue:
                            Value = skuinfo.DefaultStoreDict[defaultstore]
                            if "{CODE(" in Value:
                                realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
                                CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,defaultstore,Demesion,realvalue)
                else:
                    pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, skuname, TAB_DEFAULT_STORES_DEFAULT)
                    if pcddscrawdefaultvalue:
                        Value = skuinfo.DefaultValue
                        if "{CODE(" in Value:
                            realvalue = Value.strip()[6:-2] # "{CODE(").rstrip(")}"
                            CApp += "static %s %s_%s_%s_%s_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,skuname,TAB_DEFAULT_STORES_DEFAULT,Demesion,realvalue)
        else:
            pcddscrawdefaultvalue = self.GetPcdDscRawDefaultValue(Pcd, TAB_DEFAULT, TAB_DEFAULT_STORES_DEFAULT)
            if pcddscrawdefaultvalue:
                if "{CODE(" in Pcd.DefaultValue:
                    realvalue = Pcd.DefaultValue.strip()[6:-2] # "{CODE(").rstrip(")}"
                    CApp += "static %s %s_%s_DEFAULT_STANDARD_Value%s = %s;\n" % (Pcd.BaseDatumType,Pcd.TokenSpaceGuidCName,Pcd.TokenCName,Demesion,realvalue)

        return CApp

    def SkuOverrideValuesEmpty(self,OverrideValues):
        if not OverrideValues:
            return True
        for key in OverrideValues:
            if OverrideValues[key]:
                return False
        return True

    def ParseCCFlags(self, ccflag):
        ccflags = set()
        ccflaglist = ccflag.split(" ")
        i = 0
        while i < len(ccflaglist):
            item = ccflaglist[i].strip()
            if item in (r"/D", r"/U","-D","-U"):
                ccflags.add(" ".join((ccflaglist[i],ccflaglist[i+1])))
                i = i+1
            elif item.startswith((r"/D", r"/U","-D","-U")):
                ccflags.add(item)
            i +=1
        return ccflags
    def GenerateByteArrayValue (self, StructuredPcds):
        #
        # Generate/Compile/Run C application to determine if there are any flexible array members
        #
        if not StructuredPcds:
            return

        InitByteValue = ""
        CApp = PcdMainCHeader

        IncludeFiles = set()
        for PcdName in StructuredPcds:
            Pcd = StructuredPcds[PcdName]
            for IncludeFile in Pcd.StructuredPcdIncludeFile:
                if IncludeFile not in IncludeFiles:
                    IncludeFiles.add(IncludeFile)
                    CApp = CApp + '#include <%s>\n' % (IncludeFile)
        CApp = CApp + '\n'
        for Pcd in StructuredPcds.values():
            CApp = CApp + self.GenerateArrayAssignment(Pcd)
        for PcdName in StructuredPcds:
            Pcd = StructuredPcds[PcdName]
            CApp = CApp + self.GenerateSizeFunction(Pcd)
            CApp = CApp + self.GenerateDefaultValueAssignFunction(Pcd)
            CApp = CApp + self.GenerateFdfValue(Pcd)
            CApp = CApp + self.GenerateCommandLineValue(Pcd)
            if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                CApp = CApp + self.GenerateInitValueFunction(Pcd, self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT)
            else:
                for SkuName in self.SkuIdMgr.SkuOverrideOrder():
                    if SkuName not in Pcd.SkuOverrideValues:
                        continue
                    for DefaultStoreName in Pcd.SkuOverrideValues[SkuName]:
                        CApp = CApp + self.GenerateInitValueFunction(Pcd, SkuName, DefaultStoreName)
            if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD],
                        self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                InitByteValue, CApp = self.GenerateInitializeFunc(self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT, Pcd, InitByteValue, CApp)
            else:
                for SkuName in self.SkuIdMgr.SkuOverrideOrder():
                    if SkuName not in Pcd.SkuOverrideValues:
                        continue
                    for DefaultStoreName in Pcd.DefaultStoreName:
                        Pcd = StructuredPcds[PcdName]
                        InitByteValue, CApp = self.GenerateInitializeFunc(SkuName, DefaultStoreName, Pcd, InitByteValue, CApp)

        CApp = CApp + 'VOID\n'
        CApp = CApp + 'PcdEntryPoint(\n'
        CApp = CApp + '  VOID\n'
        CApp = CApp + '  )\n'
        CApp = CApp + '{\n'
        for Pcd in StructuredPcds.values():
            if self.SkuOverrideValuesEmpty(Pcd.SkuOverrideValues) or Pcd.Type in [self._PCD_TYPE_STRING_[MODEL_PCD_FIXED_AT_BUILD], self._PCD_TYPE_STRING_[MODEL_PCD_PATCHABLE_IN_MODULE]]:
                CApp = CApp + '  Initialize_%s_%s_%s_%s();\n' % (self.SkuIdMgr.SystemSkuId, TAB_DEFAULT_STORES_DEFAULT, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
            else:
                for SkuName in self.SkuIdMgr.SkuOverrideOrder():
                    if SkuName not in self.SkuIdMgr.AvailableSkuIdSet:
                        continue
                    for DefaultStoreName in Pcd.SkuOverrideValues[SkuName]:
                        CApp = CApp + '  Initialize_%s_%s_%s_%s();\n' % (SkuName, DefaultStoreName, Pcd.TokenSpaceGuidCName, Pcd.TokenCName)
        CApp = CApp + '}\n'

        CApp = CApp + PcdMainCEntry + '\n'

        if not os.path.exists(self.OutputPath):
            os.makedirs(self.OutputPath)
        CAppBaseFileName = os.path.join(self.OutputPath, PcdValueInitName)
        SaveFileOnChange(CAppBaseFileName + '.c', CApp, False)

        MakeApp = PcdMakefileHeader
        if sys.platform == "win32":
            MakeApp = MakeApp + 'APPFILE = %s\%s.exe\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s\%s.obj\n' % (self.OutputPath, PcdValueInitName) + 'INC = '
        else:
            MakeApp = MakeApp + PcdGccMakefile
            MakeApp = MakeApp + 'APPFILE = %s/%s\n' % (self.OutputPath, PcdValueInitName) + 'APPNAME = %s\n' % (PcdValueInitName) + 'OBJECTS = %s/%s.o\n' % (self.OutputPath, PcdValueInitName) + \
                      'include $(MAKEROOT)/Makefiles/app.makefile\n' + 'INCLUDE +='

        IncSearchList = []
        PlatformInc = OrderedDict()
        for Cache in self._Bdb._CACHE_.values():
            if Cache.MetaFile.Ext.lower() != '.dec':
                continue
            if Cache.Includes:
                if str(Cache.MetaFile.Path) not in PlatformInc:
                    PlatformInc[str(Cache.MetaFile.Path)] = []
                    PlatformInc[str(Cache.MetaFile.Path)].append (os.path.dirname(Cache.MetaFile.Path))
                    PlatformInc[str(Cache.MetaFile.Path)].extend (Cache.CommonIncludes)

        PcdDependDEC = []
        for Pcd in StructuredPcds.values():
            for PackageDec in Pcd.PackageDecs:
                Package = os.path.normpath(mws.join(GlobalData.gWorkspace, PackageDec))
                if not os.path.exists(Package):
                    EdkLogger.error('Build', RESOURCE_NOT_AVAILABLE, "The dependent Package %s of PCD %s.%s is not exist." % (PackageDec, Pcd.TokenSpaceGuidCName, Pcd.TokenCName))
                if Package not in PcdDependDEC:
                    PcdDependDEC.append(Package)

        if PlatformInc and PcdDependDEC:
            for pkg in PcdDependDEC:
                if pkg in PlatformInc:
                    for inc in PlatformInc[pkg]:
                        MakeApp += '-I'  + str(inc) + ' '
                        IncSearchList.append(inc)
        MakeApp = MakeApp + '\n'

        CC_FLAGS = LinuxCFLAGS
        if sys.platform == "win32":
            CC_FLAGS = WindowsCFLAGS
        BuildOptions = OrderedDict()
        for Options in self.BuildOptions:
            if Options[2] != EDKII_NAME:
                continue
            Family = Options[0]
            if Family and Family != self.ToolChainFamily:
                continue
            Target, Tag, Arch, Tool, Attr = Options[1].split("_")
            if Tool != 'CC':
                continue
            if Attr != "FLAGS":
                continue
            if Target == TAB_STAR or Target == self._Target:
                if Tag == TAB_STAR or Tag == self._Toolchain:
                    if 'COMMON' not in BuildOptions:
                        BuildOptions['COMMON'] = set()
                    if Arch == TAB_STAR:
                        BuildOptions['COMMON']|= self.ParseCCFlags(self.BuildOptions[Options])
                    if Arch in self.SupArchList:
                        if Arch not in BuildOptions:
                            BuildOptions[Arch] = set()
                        BuildOptions[Arch] |= self.ParseCCFlags(self.BuildOptions[Options])

        if BuildOptions:
            ArchBuildOptions = {arch:flags for arch,flags in BuildOptions.items() if arch != 'COMMON'}
            if len(ArchBuildOptions.keys()) == 1:
                BuildOptions['COMMON'] |= (list(ArchBuildOptions.values())[0])
            elif len(ArchBuildOptions.keys()) > 1:
                CommonBuildOptions = reduce(lambda x,y: x&y, ArchBuildOptions.values())
                BuildOptions['COMMON'] |= CommonBuildOptions
            ValueList = list(BuildOptions['COMMON'])
            CC_FLAGS += " ".join(ValueList)
        MakeApp += CC_FLAGS

        if sys.platform == "win32":
            MakeApp = MakeApp + PcdMakefileEnd
            MakeApp = MakeApp + AppTarget % ("""\tcopy $(APPLICATION) $(APPFILE) /y """)
        else:
            MakeApp = MakeApp + AppTarget % ("""\tcp $(APPLICATION) $(APPFILE) """)
        MakeApp = MakeApp + '\n'
        IncludeFileFullPaths = []
        for includefile in IncludeFiles:
            for includepath in IncSearchList:
                includefullpath = os.path.join(str(includepath), includefile)
                if os.path.exists(includefullpath):
                    IncludeFileFullPaths.append(os.path.normpath(includefullpath))
                    break
        SearchPathList = []
        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gWorkspace, "BaseTools/Source/C/Include")))
        SearchPathList.append(os.path.normpath(mws.join(GlobalData.gWorkspace, "BaseTools/Source/C/Common")))
        SearchPathList.extend(str(item) for item in IncSearchList)
        IncFileList = GetDependencyList(IncludeFileFullPaths, SearchPathList)
        for include_file in IncFileList:
            MakeApp += "$(OBJECTS) : %s\n" % include_file
        MakeFileName = os.path.join(self.OutputPath, 'Makefile')
        MakeApp += "$(OBJECTS) : %s\n" % MakeFileName
        SaveFileOnChange(MakeFileName, MakeApp, False)

        InputValueFile = os.path.join(self.OutputPath, 'Input.txt')
        OutputValueFile = os.path.join(self.OutputPath, 'Output.txt')
        SaveFileOnChange(InputValueFile, InitByteValue, False)

        Dest_PcdValueInitExe = PcdValueInitName
        if not sys.platform == "win32":
            Dest_PcdValueInitExe = os.path.join(self.OutputPath, PcdValueInitName)
        else:
            Dest_PcdValueInitExe = os.path.join(self.OutputPath, PcdValueInitName) +".exe"
        Messages = ''
        if sys.platform == "win32":
            MakeCommand = 'nmake -f %s' % (MakeFileName)
            returncode, StdOut, StdErr = DscBuildData.ExecuteCommand (MakeCommand)
            Messages = StdOut
        else:
            MakeCommand = 'make -f %s' % (MakeFileName)
            returncode, StdOut, StdErr = DscBuildData.ExecuteCommand (MakeCommand)
            Messages = StdErr

        Messages = Messages.split('\n')
        MessageGroup = []
        if returncode != 0:
            CAppBaseFileName = os.path.join(self.OutputPath, PcdValueInitName)
            File = open (CAppBaseFileName + '.c', 'r')
            FileData = File.readlines()
            File.close()
            for Message in Messages:
                if " error" in Message or "warning" in Message:
                    FileInfo = Message.strip().split('(')
                    if len (FileInfo) > 1:
                        FileName = FileInfo [0]
                        FileLine = FileInfo [1].split (')')[0]
                    else:
                        FileInfo = Message.strip().split(':')
                        if len(FileInfo) < 2:
                            continue
                        FileName = FileInfo [0]
                        FileLine = FileInfo [1]
                    if FileLine.isdigit():
                        error_line = FileData[int (FileLine) - 1]
                        if r"//" in error_line:
                            c_line, dsc_line = error_line.split(r"//")
                        else:
                            dsc_line = error_line
                        message_itmes = Message.split(":")
                        Index = 0
                        if "PcdValueInit.c" not in Message:
                            if not MessageGroup:
                                MessageGroup.append(Message)
                            break
                        else:
                            for item in message_itmes:
                                if "PcdValueInit.c" in item:
                                    Index = message_itmes.index(item)
                                    message_itmes[Index] = dsc_line.strip()
                                    break
                            MessageGroup.append(":".join(message_itmes[Index:]).strip())
                            continue
                    else:
                        MessageGroup.append(Message)
            if MessageGroup:
                EdkLogger.error("build", PCD_STRUCTURE_PCD_ERROR, "\n".join(MessageGroup) )
            else:
                EdkLogger.error('Build', COMMAND_FAILURE, 'Can not execute command: %s' % MakeCommand)

        if DscBuildData.NeedUpdateOutput(OutputValueFile, Dest_PcdValueInitExe, InputValueFile):
            Command = Dest_PcdValueInitExe + ' -i %s -o %s' % (InputValueFile, OutputValueFile)
            returncode, StdOut, StdErr = DscBuildData.ExecuteCommand (Command)
            if returncode != 0:
                EdkLogger.warn('Build', COMMAND_FAILURE, 'Can not collect output from command: %s' % Command)

        File = open (OutputValueFile, 'r')
        FileBuffer = File.readlines()
        File.close()

        StructurePcdSet = []
        for Pcd in FileBuffer:
            PcdValue = Pcd.split ('|')
            PcdInfo = PcdValue[0].split ('.')
            StructurePcdSet.append((PcdInfo[0], PcdInfo[1], PcdInfo[2], PcdInfo[3], PcdValue[2].strip()))
        return StructurePcdSet

    @staticmethod
    def NeedUpdateOutput(OutputFile, ValueCFile, StructureInput):
        if not os.path.exists(OutputFile):
            return True
        if os.stat(OutputFile).st_mtime <= os.stat(ValueCFile).st_mtime:
            return True
        if os.stat(OutputFile).st_mtime <= os.stat(StructureInput).st_mtime:
            return True
        return False

    ## Retrieve dynamic PCD settings
    #
    #   @param  Type    PCD type
    #
    #   @retval a dict object contains settings of given PCD type
    #
    def _GetDynamicPcd(self, Type):


        Pcds = OrderedDict()
        #
        # tdict is a special dict kind of type, used for selecting correct
        # PCD settings for certain ARCH and SKU
        #
        PcdDict = tdict(True, 4)
        PcdList = []
        # Find out all possible PCD candidates for self._Arch
        RecordList = self._RawData[Type, self._Arch]
        AvailableSkuIdSet = copy.copy(self.SkuIds)


        for TokenSpaceGuid, PcdCName, Setting, Arch, SkuName, Dummy3, Dummy4, Dummy5 in RecordList:
            SkuName = SkuName.upper()
            SkuName = TAB_DEFAULT if SkuName == TAB_COMMON else SkuName
            if SkuName not in AvailableSkuIdSet:
                EdkLogger.error('build', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                            File=self.MetaFile, Line=Dummy5)
            if "." not in TokenSpaceGuid and "[" not in PcdCName:
                PcdList.append((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
            PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid] = Setting

        # Remove redundant PCD candidates, per the ARCH and SKU
        for PcdCName, TokenSpaceGuid, SkuName, Dummy4 in PcdList:

            Setting = PcdDict[self._Arch, SkuName, PcdCName, TokenSpaceGuid]
            if Setting is None:
                continue

            PcdValue, DatumType, MaxDatumSize = self._ValidatePcd(PcdCName, TokenSpaceGuid, Setting, Type, Dummy4)
            if MaxDatumSize:
                if int(MaxDatumSize, 0) > 0xFFFF:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value must not exceed the maximum value of 0xFFFF (UINT16) for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
                if int(MaxDatumSize, 0) < 0:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value can't be set to negative value for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
            SkuInfo = SkuInfoClass(SkuName, self.SkuIds[SkuName][0], '', '', '', '', '', PcdValue)
            if (PcdCName, TokenSpaceGuid) in Pcds:
                pcdObject = Pcds[PcdCName, TokenSpaceGuid]
                pcdObject.SkuInfoList[SkuName] = SkuInfo
                if MaxDatumSize.strip():
                    CurrentMaxSize = int(MaxDatumSize.strip(), 0)
                else:
                    CurrentMaxSize = 0
                if pcdObject.MaxDatumSize:
                    PcdMaxSize = int(pcdObject.MaxDatumSize, 0)
                else:
                    PcdMaxSize = 0
                if CurrentMaxSize > PcdMaxSize:
                    pcdObject.MaxDatumSize = str(CurrentMaxSize)
            else:
                Pcds[PcdCName, TokenSpaceGuid] = PcdClassObject(
                                                    PcdCName,
                                                    TokenSpaceGuid,
                                                    self._PCD_TYPE_STRING_[Type],
                                                    DatumType,
                                                    PcdValue,
                                                    '',
                                                    MaxDatumSize,
                                                    OrderedDict({SkuName : SkuInfo}),
                                                    False,
                                                    None,
                                                    IsDsc=True)

            if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
            Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = PcdValue

        for pcd in Pcds.values():
            pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
            # Only fix the value while no value provided in DSC file.
            for sku in pcd.SkuInfoList.values():
                if not sku.DefaultValue:
                    sku.DefaultValue = pcdDecObject.DefaultValue
            if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON not in pcd.SkuInfoList:
                valuefromDec = pcdDecObject.DefaultValue
                SkuInfo = SkuInfoClass(TAB_DEFAULT, '0', '', '', '', '', '', valuefromDec)
                pcd.SkuInfoList[TAB_DEFAULT] = SkuInfo
            elif TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                pcd.SkuInfoList[TAB_DEFAULT] = pcd.SkuInfoList[TAB_COMMON]
                del pcd.SkuInfoList[TAB_COMMON]
            elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                del pcd.SkuInfoList[TAB_COMMON]

        list(map(self.FilterSkuSettings, Pcds.values()))

        return Pcds

    def FilterSkuSettings(self, PcdObj):

        if self.SkuIdMgr.SkuUsageType == self.SkuIdMgr.SINGLE:
            if TAB_DEFAULT in PcdObj.SkuInfoList and self.SkuIdMgr.SystemSkuId not in PcdObj.SkuInfoList:
                PcdObj.SkuInfoList[self.SkuIdMgr.SystemSkuId] = PcdObj.SkuInfoList[TAB_DEFAULT]
            PcdObj.SkuInfoList = {TAB_DEFAULT:PcdObj.SkuInfoList[self.SkuIdMgr.SystemSkuId]}
            PcdObj.SkuInfoList[TAB_DEFAULT].SkuIdName = TAB_DEFAULT
            PcdObj.SkuInfoList[TAB_DEFAULT].SkuId = '0'

        elif self.SkuIdMgr.SkuUsageType == self.SkuIdMgr.DEFAULT:
            PcdObj.SkuInfoList = {TAB_DEFAULT:PcdObj.SkuInfoList[TAB_DEFAULT]}

        return PcdObj

    @staticmethod
    def CompareVarAttr(Attr1, Attr2):
        if not Attr1 or not Attr2:  # for empty string
            return True
        Attr1s = [attr.strip() for attr in Attr1.split(",")]
        Attr1Set = set(Attr1s)
        Attr2s = [attr.strip() for attr in Attr2.split(",")]
        Attr2Set = set(Attr2s)
        if Attr2Set == Attr1Set:
            return True
        else:
            return False

    def CompletePcdValues(self, PcdSet):
        Pcds = OrderedDict()
        DefaultStoreObj = DefaultStore(self._GetDefaultStores())
        SkuIds = {skuname:skuid for skuname, skuid in self.SkuIdMgr.AvailableSkuIdSet.items() if skuname != TAB_COMMON}
        DefaultStores = set(storename for pcdobj in PcdSet.values() for skuobj in pcdobj.SkuInfoList.values() for storename in skuobj.DefaultStoreDict)
        for PcdCName, TokenSpaceGuid in PcdSet:
            PcdObj = PcdSet[(PcdCName, TokenSpaceGuid)]

            if PcdObj.Type not in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_DEFAULT],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_VPD],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_DEFAULT],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII],
                        self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_VPD]]:
                Pcds[PcdCName, TokenSpaceGuid]= PcdObj
                continue
            PcdType = PcdObj.Type
            if PcdType in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                for skuid in PcdObj.SkuInfoList:
                    skuobj = PcdObj.SkuInfoList[skuid]
                    mindefaultstorename = DefaultStoreObj.GetMin(set(defaultstorename for defaultstorename in skuobj.DefaultStoreDict))
                    for defaultstorename in DefaultStores:
                        if defaultstorename not in skuobj.DefaultStoreDict:
                            skuobj.DefaultStoreDict[defaultstorename] = skuobj.DefaultStoreDict[mindefaultstorename]
                    skuobj.HiiDefaultValue = skuobj.DefaultStoreDict[mindefaultstorename]
            for skuname, skuid in SkuIds.items():
                if skuname not in PcdObj.SkuInfoList:
                    nextskuid = self.SkuIdMgr.GetNextSkuId(skuname)
                    while nextskuid not in PcdObj.SkuInfoList:
                        nextskuid = self.SkuIdMgr.GetNextSkuId(nextskuid)
                    PcdObj.SkuInfoList[skuname] = copy.deepcopy(PcdObj.SkuInfoList[nextskuid])
                    PcdObj.SkuInfoList[skuname].SkuId = skuid
                    PcdObj.SkuInfoList[skuname].SkuIdName = skuname
            if PcdType in [self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII], self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
                PcdObj.DefaultValue = list(PcdObj.SkuInfoList.values())[0].HiiDefaultValue if self.SkuIdMgr.SkuUsageType == self.SkuIdMgr.SINGLE else PcdObj.SkuInfoList[TAB_DEFAULT].HiiDefaultValue
            Pcds[PcdCName, TokenSpaceGuid]= PcdObj
        return Pcds
    ## Retrieve dynamic HII PCD settings
    #
    #   @param  Type    PCD type
    #
    #   @retval a dict object contains settings of given PCD type
    #
    def _GetDynamicHiiPcd(self, Type):

        VariableAttrs = {}

        Pcds = OrderedDict()
        UserDefinedDefaultStores = []
        #
        # tdict is a special dict kind of type, used for selecting correct
        # PCD settings for certain ARCH and SKU
        #
        PcdDict = tdict(True, 5)
        PcdSet = set()
        RecordList = self._RawData[Type, self._Arch]
        # Find out all possible PCD candidates for self._Arch
        AvailableSkuIdSet = copy.copy(self.SkuIds)
        DefaultStoresDefine = self._GetDefaultStores()

        for TokenSpaceGuid, PcdCName, Setting, Arch, SkuName, DefaultStore, Dummy4, Dummy5 in RecordList:
            SkuName = SkuName.upper()
            SkuName = TAB_DEFAULT if SkuName == TAB_COMMON else SkuName
            DefaultStore = DefaultStore.upper()
            if DefaultStore == TAB_COMMON:
                DefaultStore = TAB_DEFAULT_STORES_DEFAULT
            else:
                #The end user define [DefaultStores] and [SKUID_IDENTIFIER.Menufacturing] in DSC
                UserDefinedDefaultStores.append((PcdCName, TokenSpaceGuid))
            if SkuName not in AvailableSkuIdSet:
                EdkLogger.error('build', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                            File=self.MetaFile, Line=Dummy5)
            if DefaultStore not in DefaultStoresDefine:
                EdkLogger.error('build', PARAMETER_INVALID, 'DefaultStores %s is not defined in [DefaultStores] section' % DefaultStore,
                                            File=self.MetaFile, Line=Dummy5)
            if "." not in TokenSpaceGuid and "[" not in PcdCName:
                PcdSet.add((PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy5))
            PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid, DefaultStore] = Setting


        # Remove redundant PCD candidates, per the ARCH and SKU
        for PcdCName, TokenSpaceGuid, SkuName, DefaultStore, Dummy4 in PcdSet:

            Setting = PcdDict[self._Arch, SkuName, PcdCName, TokenSpaceGuid, DefaultStore]
            if Setting is None:
                continue
            VariableName, VariableGuid, VariableOffset, DefaultValue, VarAttribute = self._ValidatePcd(PcdCName, TokenSpaceGuid, Setting, Type, Dummy4)

            rt, Msg = VariableAttributes.ValidateVarAttributes(VarAttribute)
            if not rt:
                EdkLogger.error("build", PCD_VARIABLE_ATTRIBUTES_ERROR, "Variable attributes settings for %s is incorrect.\n %s" % (".".join((TokenSpaceGuid, PcdCName)), Msg),
                        ExtraData="[%s]" % VarAttribute)
            ExceedMax = False
            FormatCorrect = True
            if VariableOffset.isdigit():
                if int(VariableOffset, 10) > 0xFFFF:
                    ExceedMax = True
            elif variablePattern.match(VariableOffset):
                if int(VariableOffset, 16) > 0xFFFF:
                    ExceedMax = True
            # For Offset written in "A.B"
            elif VariableOffset.find('.') > -1:
                VariableOffsetList = VariableOffset.split(".")
                if not (len(VariableOffsetList) == 2
                        and IsValidWord(VariableOffsetList[0])
                        and IsValidWord(VariableOffsetList[1])):
                    FormatCorrect = False
            else:
                FormatCorrect = False
            if not FormatCorrect:
                EdkLogger.error('Build', FORMAT_INVALID, "Invalid syntax or format of the variable offset value is incorrect for %s." % ".".join((TokenSpaceGuid, PcdCName)))

            if ExceedMax:
                EdkLogger.error('Build', OPTION_VALUE_INVALID, "The variable offset value must not exceed the maximum value of 0xFFFF (UINT16) for %s." % ".".join((TokenSpaceGuid, PcdCName)))
            if (VariableName, VariableGuid) not in VariableAttrs:
                VariableAttrs[(VariableName, VariableGuid)] = VarAttribute
            else:
                if not DscBuildData.CompareVarAttr(VariableAttrs[(VariableName, VariableGuid)], VarAttribute):
                    EdkLogger.error('Build', PCD_VARIABLE_ATTRIBUTES_CONFLICT_ERROR, "The variable %s.%s for DynamicHii PCDs has conflicting attributes [%s] and [%s] " % (VariableGuid, VariableName, VarAttribute, VariableAttrs[(VariableName, VariableGuid)]))

            pcdDecObject = self._DecPcds[PcdCName, TokenSpaceGuid]
            if (PcdCName, TokenSpaceGuid) in Pcds:
                pcdObject = Pcds[PcdCName, TokenSpaceGuid]
                if SkuName in pcdObject.SkuInfoList:
                    Skuitem = pcdObject.SkuInfoList[SkuName]
                    Skuitem.DefaultStoreDict.update({DefaultStore:DefaultValue})
                else:
                    SkuInfo = SkuInfoClass(SkuName, self.SkuIds[SkuName][0], VariableName, VariableGuid, VariableOffset, DefaultValue, VariableAttribute=VarAttribute, DefaultStore={DefaultStore:DefaultValue})
                    pcdObject.SkuInfoList[SkuName] = SkuInfo
            else:
                SkuInfo = SkuInfoClass(SkuName, self.SkuIds[SkuName][0], VariableName, VariableGuid, VariableOffset, DefaultValue, VariableAttribute=VarAttribute, DefaultStore={DefaultStore:DefaultValue})
                PcdClassObj = PcdClassObject(
                                                PcdCName,
                                                TokenSpaceGuid,
                                                self._PCD_TYPE_STRING_[Type],
                                                '',
                                                DefaultValue,
                                                '',
                                                '',
                                                OrderedDict({SkuName : SkuInfo}),
                                                False,
                                                None,
                                                pcdDecObject.validateranges,
                                                pcdDecObject.validlists,
                                                pcdDecObject.expressions,
                                                IsDsc=True)
                if (PcdCName, TokenSpaceGuid) in UserDefinedDefaultStores:
                    PcdClassObj.UserDefinedDefaultStoresFlag = True
                Pcds[PcdCName, TokenSpaceGuid] = PcdClassObj

                Pcds[PcdCName, TokenSpaceGuid].CustomAttribute['DscPosition'] = int(Dummy4)
            if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
            Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][DefaultStore] = DefaultValue
        for pcd in Pcds.values():
            pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
            pcd.DatumType = pcdDecObject.DatumType
            # Only fix the value while no value provided in DSC file.
            for sku in pcd.SkuInfoList.values():
                if (sku.HiiDefaultValue == "" or sku.HiiDefaultValue is None):
                    sku.HiiDefaultValue = pcdDecObject.DefaultValue
                    for default_store in sku.DefaultStoreDict:
                        sku.DefaultStoreDict[default_store]=pcdDecObject.DefaultValue
                    pcd.DefaultValue = pcdDecObject.DefaultValue
            if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON not in pcd.SkuInfoList:
                SkuInfoObj = list(pcd.SkuInfoList.values())[0]
                valuefromDec = pcdDecObject.DefaultValue
                SkuInfo = SkuInfoClass(TAB_DEFAULT, '0', SkuInfoObj.VariableName, SkuInfoObj.VariableGuid, SkuInfoObj.VariableOffset, valuefromDec, VariableAttribute=SkuInfoObj.VariableAttribute, DefaultStore={DefaultStore:valuefromDec})
                pcd.SkuInfoList[TAB_DEFAULT] = SkuInfo
            elif TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                pcd.SkuInfoList[TAB_DEFAULT] = pcd.SkuInfoList[TAB_COMMON]
                del pcd.SkuInfoList[TAB_COMMON]
            elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                del pcd.SkuInfoList[TAB_COMMON]

            if pcd.MaxDatumSize.strip():
                MaxSize = int(pcd.MaxDatumSize, 0)
            else:
                MaxSize = 0
            if pcd.DatumType not in TAB_PCD_NUMERIC_TYPES:
                for (_, skuobj) in pcd.SkuInfoList.items():
                    datalen = 0
                    skuobj.HiiDefaultValue = StringToArray(skuobj.HiiDefaultValue)
                    datalen = len(skuobj.HiiDefaultValue.split(","))
                    if datalen > MaxSize:
                        MaxSize = datalen
                    for defaultst in skuobj.DefaultStoreDict:
                        skuobj.DefaultStoreDict[defaultst] = StringToArray(skuobj.DefaultStoreDict[defaultst])
                pcd.DefaultValue = StringToArray(pcd.DefaultValue)
                pcd.MaxDatumSize = str(MaxSize)
        rt, invalidhii = DscBuildData.CheckVariableNameAssignment(Pcds)
        if not rt:
            invalidpcd = ",".join(invalidhii)
            EdkLogger.error('build', PCD_VARIABLE_INFO_ERROR, Message='The same HII PCD must map to the same EFI variable for all SKUs', File=self.MetaFile, ExtraData=invalidpcd)

        list(map(self.FilterSkuSettings, Pcds.values()))

        return Pcds

    @staticmethod
    def CheckVariableNameAssignment(Pcds):
        invalidhii = []
        for pcdname in Pcds:
            pcd = Pcds[pcdname]
            varnameset = set(sku.VariableName for (skuid, sku) in pcd.SkuInfoList.items())
            if len(varnameset) > 1:
                invalidhii.append(".".join((pcdname[1], pcdname[0])))
        if len(invalidhii):
            return False, invalidhii
        else:
            return True, []
    ## Retrieve dynamic VPD PCD settings
    #
    #   @param  Type    PCD type
    #
    #   @retval a dict object contains settings of given PCD type
    #
    def _GetDynamicVpdPcd(self, Type):


        Pcds = OrderedDict()
        #
        # tdict is a special dict kind of type, used for selecting correct
        # PCD settings for certain ARCH and SKU
        #
        PcdDict = tdict(True, 4)
        PcdList = []

        # Find out all possible PCD candidates for self._Arch
        RecordList = self._RawData[Type, self._Arch]
        AvailableSkuIdSet = copy.copy(self.SkuIds)

        for TokenSpaceGuid, PcdCName, Setting, Arch, SkuName, Dummy3, Dummy4, Dummy5 in RecordList:
            SkuName = SkuName.upper()
            SkuName = TAB_DEFAULT if SkuName == TAB_COMMON else SkuName
            if SkuName not in AvailableSkuIdSet:
                EdkLogger.error('build', PARAMETER_INVALID, 'Sku %s is not defined in [SkuIds] section' % SkuName,
                                            File=self.MetaFile, Line=Dummy5)
            if "." not in TokenSpaceGuid and "[" not in PcdCName:
                PcdList.append((PcdCName, TokenSpaceGuid, SkuName, Dummy5))
            PcdDict[Arch, SkuName, PcdCName, TokenSpaceGuid] = Setting

        # Remove redundant PCD candidates, per the ARCH and SKU
        for PcdCName, TokenSpaceGuid, SkuName, Dummy4 in PcdList:
            Setting = PcdDict[self._Arch, SkuName, PcdCName, TokenSpaceGuid]
            if Setting is None:
                continue
            #
            # For the VOID* type, it can have optional data of MaxDatumSize and InitialValue
            # For the Integer & Boolean type, the optional data can only be InitialValue.
            # At this point, we put all the data into the PcdClssObject for we don't know the PCD's datumtype
            # until the DEC parser has been called.
            #
            VpdOffset, MaxDatumSize, InitialValue = self._ValidatePcd(PcdCName, TokenSpaceGuid, Setting, Type, Dummy4)
            if MaxDatumSize:
                if int(MaxDatumSize, 0) > 0xFFFF:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value must not exceed the maximum value of 0xFFFF (UINT16) for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
                if int(MaxDatumSize, 0) < 0:
                    EdkLogger.error('build', FORMAT_INVALID, "The size value can't be set to negative value for %s." % ".".join((TokenSpaceGuid, PcdCName)),
                                    File=self.MetaFile, Line=Dummy4)
            SkuInfo = SkuInfoClass(SkuName, self.SkuIds[SkuName][0], '', '', '', '', VpdOffset, InitialValue)
            if (PcdCName, TokenSpaceGuid) in Pcds:
                pcdObject = Pcds[PcdCName, TokenSpaceGuid]
                pcdObject.SkuInfoList[SkuName] = SkuInfo
                if MaxDatumSize.strip():
                    CurrentMaxSize = int(MaxDatumSize.strip(), 0)
                else:
                    CurrentMaxSize = 0
                if pcdObject.MaxDatumSize:
                    PcdMaxSize = int(pcdObject.MaxDatumSize, 0)
                else:
                    PcdMaxSize = 0
                if CurrentMaxSize > PcdMaxSize:
                    pcdObject.MaxDatumSize = str(CurrentMaxSize)
            else:
                Pcds[PcdCName, TokenSpaceGuid] = PcdClassObject(
                                                PcdCName,
                                                TokenSpaceGuid,
                                                self._PCD_TYPE_STRING_[Type],
                                                '',
                                                InitialValue,
                                                '',
                                                MaxDatumSize,
                                                OrderedDict({SkuName : SkuInfo}),
                                                False,
                                                None,
                                                IsDsc=True)

            if SkuName not in Pcds[PcdCName, TokenSpaceGuid].DscRawValue:
                Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName] = {}
            Pcds[PcdCName, TokenSpaceGuid].DscRawValue[SkuName][TAB_DEFAULT_STORES_DEFAULT] = InitialValue
        for pcd in Pcds.values():
            pcdDecObject = self._DecPcds[pcd.TokenCName, pcd.TokenSpaceGuidCName]
            pcd.DatumType = pcdDecObject.DatumType
            # Only fix the value while no value provided in DSC file.
            for sku in pcd.SkuInfoList.values():
                if not sku.DefaultValue:
                    sku.DefaultValue = pcdDecObject.DefaultValue
            if TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON not in pcd.SkuInfoList:
                SkuInfoObj = list(pcd.SkuInfoList.values())[0]
                valuefromDec = pcdDecObject.DefaultValue
                SkuInfo = SkuInfoClass(TAB_DEFAULT, '0', '', '', '', '', SkuInfoObj.VpdOffset, valuefromDec)
                pcd.SkuInfoList[TAB_DEFAULT] = SkuInfo
            elif TAB_DEFAULT not in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                pcd.SkuInfoList[TAB_DEFAULT] = pcd.SkuInfoList[TAB_COMMON]
                del pcd.SkuInfoList[TAB_COMMON]
            elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in pcd.SkuInfoList:
                del pcd.SkuInfoList[TAB_COMMON]

        #For the same one VOID* pcd, if the default value type of one SKU is "Unicode string",
        #the other SKUs are "OtherVOID*"(ASCII string or byte array),Then convert "Unicode string" to "byte array".
        for pcd in Pcds.values():
            PcdValueTypeSet = set()
            for sku in pcd.SkuInfoList.values():
                PcdValueTypeSet.add("UnicodeString" if sku.DefaultValue.startswith(('L"',"L'")) else "OtherVOID*")
            if len(PcdValueTypeSet) > 1:
                for sku in pcd.SkuInfoList.values():
                    sku.DefaultValue = StringToArray(sku.DefaultValue) if sku.DefaultValue.startswith(('L"',"L'")) else sku.DefaultValue

        list(map(self.FilterSkuSettings, Pcds.values()))
        return Pcds

    ## Add external modules
    #
    #   The external modules are mostly those listed in FDF file, which don't
    # need "build".
    #
    #   @param  FilePath    The path of module description file
    #
    def AddModule(self, FilePath):
        FilePath = NormPath(FilePath)
        if FilePath not in self.Modules:
            Module = ModuleBuildClassObject()
            Module.MetaFile = FilePath
            self.Modules.append(Module)

    @property
    def ToolChainFamily(self):
        self._ToolChainFamily = TAB_COMPILER_MSFT
        BuildConfigurationFile = os.path.normpath(os.path.join(GlobalData.gConfDirectory, "target.txt"))
        if os.path.isfile(BuildConfigurationFile) == True:
            TargetTxt      = TargetTxtClassObject()
            TargetTxt.LoadTargetTxtFile(BuildConfigurationFile)
            ToolDefinitionFile = TargetTxt.TargetTxtDictionary[DataType.TAB_TAT_DEFINES_TOOL_CHAIN_CONF]
            if ToolDefinitionFile == '':
                ToolDefinitionFile = "tools_def.txt"
                ToolDefinitionFile = os.path.normpath(mws.join(self.WorkspaceDir, 'Conf', ToolDefinitionFile))
            if os.path.isfile(ToolDefinitionFile) == True:
                ToolDef        = ToolDefClassObject()
                ToolDef.LoadToolDefFile(ToolDefinitionFile)
                ToolDefinition = ToolDef.ToolsDefTxtDatabase
                if TAB_TOD_DEFINES_FAMILY not in ToolDefinition \
                   or self._Toolchain not in ToolDefinition[TAB_TOD_DEFINES_FAMILY] \
                   or not ToolDefinition[TAB_TOD_DEFINES_FAMILY][self._Toolchain]:
                    self._ToolChainFamily = TAB_COMPILER_MSFT
                else:
                    self._ToolChainFamily = ToolDefinition[TAB_TOD_DEFINES_FAMILY][self._Toolchain]
        return self._ToolChainFamily

    ## Add external PCDs
    #
    #   The external PCDs are mostly those listed in FDF file to specify address
    # or offset information.
    #
    #   @param  Name    Name of the PCD
    #   @param  Guid    Token space guid of the PCD
    #   @param  Value   Value of the PCD
    #
    def AddPcd(self, Name, Guid, Value):
        if (Name, Guid) not in self.Pcds:
            self.Pcds[Name, Guid] = PcdClassObject(Name, Guid, '', '', '', '', '', {}, False, None)
        self.Pcds[Name, Guid].DefaultValue = Value

    @property
    def DecPcds(self):
        if self._DecPcds is None:
            FdfInfList = []
            if GlobalData.gFdfParser:
                FdfInfList = GlobalData.gFdfParser.Profile.InfList
            PkgSet = set()
            for Inf in FdfInfList:
                ModuleFile = PathClass(NormPath(Inf), GlobalData.gWorkspace, Arch=self._Arch)
                if ModuleFile in self._Modules:
                    continue
                ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target, self._Toolchain]
                PkgSet.update(ModuleData.Packages)
            self._DecPcds, self._GuidDict = GetDeclaredPcd(self, self._Bdb, self._Arch, self._Target, self._Toolchain, PkgSet)
            self._GuidDict.update(GlobalData.gPlatformPcds)
        return self._DecPcds