]> git.proxmox.com Git - mirror_edk2.git/blobdiff - BaseTools/Source/Python/GenFds/FdfParser.py
BaseTools:Make BaseTools support new rules to generate RAW FFS FILE
[mirror_edk2.git] / BaseTools / Source / Python / GenFds / FdfParser.py
index f1e03f4c3f7820e519bcf05dd741fc0ca7c1256e..fb5fd85e0a825ebf3341e2ca706af9b0b37b57c3 100644 (file)
 ## @file\r
 # parse FDF file\r
 #\r
-#  Copyright (c) 2007 - 2014, Intel Corporation. All rights reserved.<BR>\r
+#  Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
+#  Copyright (c) 2015, Hewlett Packard Enterprise Development, L.P.<BR>\r
 #\r
-#  This program and the accompanying materials\r
-#  are licensed and made available under the terms and conditions of the BSD License\r
-#  which accompanies this distribution.  The full text of the license may be found at\r
-#  http://opensource.org/licenses/bsd-license.php\r
-#\r
-#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#  SPDX-License-Identifier: BSD-2-Clause-Patent\r
 #\r
 \r
 ##\r
 # Import Modules\r
 #\r
-import re\r
-\r
-import Fd\r
-import Region\r
-import Fv\r
-import AprioriSection\r
-import FfsInfStatement\r
-import FfsFileStatement\r
-import VerSection\r
-import UiSection\r
-import FvImageSection\r
-import DataSection\r
-import DepexSection\r
-import CompressSection\r
-import GuidSection\r
-import Capsule\r
-import CapsuleData\r
-import Rule\r
-import RuleComplexFile\r
-import RuleSimpleFile\r
-import EfiSection\r
-import Vtf\r
-import ComponentStatement\r
-import OptionRom\r
-import OptRomInfStatement\r
-import OptRomFileStatement\r
-\r
-from GenFdsGlobalVariable import GenFdsGlobalVariable\r
+from __future__ import print_function\r
+from __future__ import absolute_import\r
+from re import compile, DOTALL\r
+from string import hexdigits\r
+from uuid import UUID\r
+\r
 from Common.BuildToolError import *\r
 from Common import EdkLogger\r
-from Common.Misc import PathClass\r
-from Common.String import NormPath\r
-import Common.GlobalData as GlobalData\r
-from Common.Expression import *\r
+from Common.Misc import PathClass, tdict, ProcessDuplicatedInf\r
+from Common.StringUtils import NormPath, ReplaceMacro\r
 from Common import GlobalData\r
-from Common.String import ReplaceMacro\r
-\r
-from Common.Misc import tdict\r
-\r
-import re\r
-import os\r
-\r
-##define T_CHAR_SPACE                ' '\r
-##define T_CHAR_NULL                 '\0'\r
-##define T_CHAR_CR                   '\r'\r
-##define T_CHAR_TAB                  '\t'\r
-##define T_CHAR_LF                   '\n'\r
-##define T_CHAR_SLASH                '/'\r
-##define T_CHAR_BACKSLASH            '\\'\r
-##define T_CHAR_DOUBLE_QUOTE         '\"'\r
-##define T_CHAR_SINGLE_QUOTE         '\''\r
-##define T_CHAR_STAR                 '*'\r
-##define T_CHAR_HASH                 '#'\r
-\r
-(T_CHAR_SPACE, T_CHAR_NULL, T_CHAR_CR, T_CHAR_TAB, T_CHAR_LF, T_CHAR_SLASH, \\r
-T_CHAR_BACKSLASH, T_CHAR_DOUBLE_QUOTE, T_CHAR_SINGLE_QUOTE, T_CHAR_STAR, T_CHAR_HASH) = \\r
-(' ', '\0', '\r', '\t', '\n', '/', '\\', '\"', '\'', '*', '#')\r
-\r
-SEPERATOR_TUPLE = ('=', '|', ',', '{', '}')\r
-\r
-RegionSizePattern = re.compile("\s*(?P<base>(?:0x|0X)?[a-fA-F0-9]+)\s*\|\s*(?P<size>(?:0x|0X)?[a-fA-F0-9]+)\s*")\r
-RegionSizeGuidPattern = re.compile("\s*(?P<base>\w+\.\w+)\s*\|\s*(?P<size>\w+\.\w+)\s*")\r
-RegionOffsetPcdPattern = re.compile("\s*(?P<base>\w+\.\w+)\s*$")\r
-ShortcutPcdPattern = re.compile("\s*\w+\s*=\s*(?P<value>(?:0x|0X)?[a-fA-F0-9]+)\s*\|\s*(?P<name>\w+\.\w+)\s*")\r
+from Common.Expression import *\r
+from Common.DataType import *\r
+from Common.MultipleWorkspace import MultipleWorkspace as mws\r
+import Common.LongFilePathOs as os\r
+from Common.LongFilePathSupport import OpenLongFilePath as open\r
+from Common.RangeExpression import RangeExpression\r
+from collections import OrderedDict\r
+\r
+from .Fd import FD\r
+from .Region import Region\r
+from .Fv import FV\r
+from .AprioriSection import AprioriSection\r
+from .FfsInfStatement import FfsInfStatement\r
+from .FfsFileStatement import FileStatement\r
+from .VerSection import VerSection\r
+from .UiSection import UiSection\r
+from .FvImageSection import FvImageSection\r
+from .DataSection import DataSection\r
+from .DepexSection import DepexSection\r
+from .CompressSection import CompressSection\r
+from .GuidSection import GuidSection\r
+from .Capsule import EFI_CERT_TYPE_PKCS7_GUID, EFI_CERT_TYPE_RSA2048_SHA256_GUID, Capsule\r
+from .CapsuleData import CapsuleFfs, CapsulePayload, CapsuleFv, CapsuleFd, CapsuleAnyFile, CapsuleAfile\r
+from .RuleComplexFile import RuleComplexFile\r
+from .RuleSimpleFile import RuleSimpleFile\r
+from .EfiSection import EfiSection\r
+from .OptionRom import OPTIONROM\r
+from .OptRomInfStatement import OptRomInfStatement, OverrideAttribs\r
+from .OptRomFileStatement import OptRomFileStatement\r
+from .GenFdsGlobalVariable import GenFdsGlobalVariable\r
+\r
+T_CHAR_CR = '\r'\r
+T_CHAR_TAB = '\t'\r
+T_CHAR_DOUBLE_QUOTE = '\"'\r
+T_CHAR_SINGLE_QUOTE = '\''\r
+T_CHAR_BRACE_R = '}'\r
+\r
+SEPARATORS = {TAB_EQUAL_SPLIT, TAB_VALUE_SPLIT, TAB_COMMA_SPLIT, '{', T_CHAR_BRACE_R}\r
+ALIGNMENTS = {"Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K", "64K", "128K",\r
+                                    "256K", "512K", "1M", "2M", "4M", "8M", "16M"}\r
+ALIGNMENT_NOAUTO = ALIGNMENTS - {"Auto"}\r
+CR_LB_SET = {T_CHAR_CR, TAB_LINE_BREAK}\r
+\r
+RegionSizePattern = compile("\s*(?P<base>(?:0x|0X)?[a-fA-F0-9]+)\s*\|\s*(?P<size>(?:0x|0X)?[a-fA-F0-9]+)\s*")\r
+RegionSizeGuidPattern = compile("\s*(?P<base>\w+\.\w+[\.\w\[\]]*)\s*\|\s*(?P<size>\w+\.\w+[\.\w\[\]]*)\s*")\r
+RegionOffsetPcdPattern = compile("\s*(?P<base>\w+\.\w+[\.\w\[\]]*)\s*$")\r
+ShortcutPcdPattern = compile("\s*\w+\s*=\s*(?P<value>(?:0x|0X)?[a-fA-F0-9]+)\s*\|\s*(?P<name>\w+\.\w+)\s*")\r
+BaseAddrValuePattern = compile('^0[xX][0-9a-fA-F]+')\r
+FileExtensionPattern = compile(r'([a-zA-Z][a-zA-Z0-9]*)')\r
+TokenFindPattern = compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\)|\*)')\r
+AllIncludeFileList = []\r
+\r
+# Get the closest parent\r
+def GetParentAtLine (Line):\r
+    for Profile in AllIncludeFileList:\r
+        if Profile.IsLineInFile(Line):\r
+            return Profile\r
+    return None\r
+\r
+# Check include loop\r
+def IsValidInclude (File, Line):\r
+    for Profile in AllIncludeFileList:\r
+        if Profile.IsLineInFile(Line) and Profile.FileName == File:\r
+            return False\r
 \r
-IncludeFileList = []\r
+    return True\r
 \r
 def GetRealFileLine (File, Line):\r
-\r
     InsertedLines = 0\r
-    for Profile in IncludeFileList:\r
-        if Line >= Profile.InsertStartLineNumber and Line < Profile.InsertStartLineNumber + Profile.InsertAdjust + len(Profile.FileLinesList):\r
-            return (Profile.FileName, Line - Profile.InsertStartLineNumber + 1)\r
-        if Line >= Profile.InsertStartLineNumber + Profile.InsertAdjust + len(Profile.FileLinesList):\r
-            InsertedLines += Profile.InsertAdjust + len(Profile.FileLinesList)\r
+    for Profile in AllIncludeFileList:\r
+        if Profile.IsLineInFile(Line):\r
+            return Profile.GetLineInFile(Line)\r
+        elif Line >= Profile.InsertStartLineNumber and Profile.Level == 1:\r
+            InsertedLines += Profile.GetTotalLines()\r
 \r
     return (File, Line - InsertedLines)\r
 \r
 ## The exception class that used to report error messages when parsing FDF\r
 #\r
-# Currently the "ToolName" is set to be "FDF Parser".\r
+# Currently the "ToolName" is set to be "FdfParser".\r
 #\r
 class Warning (Exception):\r
     ## The constructor\r
@@ -106,36 +111,39 @@ class Warning (Exception):
     #   @param  Line        The Line number that error occurs\r
     #\r
     def __init__(self, Str, File = None, Line = None):\r
-\r
         FileLineTuple = GetRealFileLine(File, Line)\r
         self.FileName = FileLineTuple[0]\r
         self.LineNumber = FileLineTuple[1]\r
+        self.OriginalLineNumber = Line\r
         self.Message = Str\r
         self.ToolName = 'FdfParser'\r
 \r
     def __str__(self):\r
         return self.Message\r
 \r
-## The MACRO class that used to record macro value data when parsing include file\r
-#\r
-#\r
-class MacroProfile :\r
-    ## The constructor\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @param  FileName    The file that to be parsed\r
-    #\r
-    def __init__(self, FileName, Line):\r
-        self.FileName = FileName\r
-        self.DefinedAtLine  = Line\r
-        self.MacroName = None\r
-        self.MacroValue = None\r
+    # helper functions to facilitate consistency in warnings\r
+    # each function is for a different common warning\r
+    @staticmethod\r
+    def Expected(Str, File, Line):\r
+        return Warning("expected {}".format(Str), File, Line)\r
+    @staticmethod\r
+    def ExpectedEquals(File, Line):\r
+        return Warning.Expected("'='", File, Line)\r
+    @staticmethod\r
+    def ExpectedCurlyOpen(File, Line):\r
+        return Warning.Expected("'{'", File, Line)\r
+    @staticmethod\r
+    def ExpectedCurlyClose(File, Line):\r
+        return Warning.Expected("'}'", File, Line)\r
+    @staticmethod\r
+    def ExpectedBracketClose(File, Line):\r
+        return Warning.Expected("']'", File, Line)\r
 \r
 ## The Include file content class that used to record file data when parsing include file\r
 #\r
 # May raise Exception when opening file.\r
 #\r
-class IncludeFileProfile :\r
+class IncludeFileProfile:\r
     ## The constructor\r
     #\r
     #   @param  self        The object pointer\r
@@ -145,23 +153,52 @@ class IncludeFileProfile :
         self.FileName = FileName\r
         self.FileLinesList = []\r
         try:\r
-            fsock = open(FileName, "rb", 0)\r
-            try:\r
+            with open(FileName, "r") as fsock:\r
                 self.FileLinesList = fsock.readlines()\r
-            finally:\r
-                fsock.close()\r
-\r
+                for index, line in enumerate(self.FileLinesList):\r
+                    if not line.endswith(TAB_LINE_BREAK):\r
+                        self.FileLinesList[index] += TAB_LINE_BREAK\r
         except:\r
             EdkLogger.error("FdfParser", FILE_OPEN_FAILURE, ExtraData=FileName)\r
 \r
         self.InsertStartLineNumber = None\r
         self.InsertAdjust = 0\r
+        self.IncludeFileList = []\r
+        self.Level = 1 # first level include file\r
+\r
+    def GetTotalLines(self):\r
+        TotalLines = self.InsertAdjust + len(self.FileLinesList)\r
+\r
+        for Profile in self.IncludeFileList:\r
+            TotalLines += Profile.GetTotalLines()\r
+\r
+        return TotalLines\r
+\r
+    def IsLineInFile(self, Line):\r
+        if Line >= self.InsertStartLineNumber and Line < self.InsertStartLineNumber + self.GetTotalLines():\r
+            return True\r
+\r
+        return False\r
+\r
+    def GetLineInFile(self, Line):\r
+        if not self.IsLineInFile (Line):\r
+            return (self.FileName, -1)\r
+\r
+        InsertedLines = self.InsertStartLineNumber\r
+\r
+        for Profile in self.IncludeFileList:\r
+            if Profile.IsLineInFile(Line):\r
+                return Profile.GetLineInFile(Line)\r
+            elif Line >= Profile.InsertStartLineNumber:\r
+                InsertedLines += Profile.GetTotalLines()\r
+\r
+        return (self.FileName, Line - InsertedLines + 1)\r
 \r
 ## The FDF content class that used to record file data when parsing FDF\r
 #\r
 # May raise Exception when opening file.\r
 #\r
-class FileProfile :\r
+class FileProfile:\r
     ## The constructor\r
     #\r
     #   @param  self        The object pointer\r
@@ -170,29 +207,28 @@ class FileProfile :
     def __init__(self, FileName):\r
         self.FileLinesList = []\r
         try:\r
-            fsock = open(FileName, "rb", 0)\r
-            try:\r
+            with open(FileName, "r") as fsock:\r
                 self.FileLinesList = fsock.readlines()\r
-            finally:\r
-                fsock.close()\r
 \r
         except:\r
             EdkLogger.error("FdfParser", FILE_OPEN_FAILURE, ExtraData=FileName)\r
 \r
-\r
-        self.PcdDict = {}\r
+        self.FileName = FileName\r
+        self.PcdDict = OrderedDict()\r
+        self.PcdLocalDict = OrderedDict()\r
         self.InfList = []\r
+        self.InfDict = {'ArchTBD':[]}\r
         # ECC will use this Dict and List information\r
         self.PcdFileLineDict = {}\r
         self.InfFileLineList = []\r
-        \r
+\r
         self.FdDict = {}\r
         self.FdNameNotSet = False\r
         self.FvDict = {}\r
         self.CapsuleDict = {}\r
-        self.VtfList = []\r
         self.RuleDict = {}\r
         self.OptRomDict = {}\r
+        self.FmpPayloadDict = {}\r
 \r
 ## The syntax parser for FDF\r
 #\r
@@ -215,55 +251,37 @@ class FdfParser:
         self.CurrentOffsetWithinLine = 0\r
         self.CurrentFdName = None\r
         self.CurrentFvName = None\r
-        self.__Token = ""\r
-        self.__SkippedChars = ""\r
+        self._Token = ""\r
+        self._SkippedChars = ""\r
+        GlobalData.gFdfParser = self\r
 \r
         # Used to section info\r
-        self.__CurSection = []\r
+        self._CurSection = []\r
         # Key: [section name, UI name, arch]\r
-        # Value: {MACRO_NAME : MACRO_VALUE}\r
-        self.__MacroDict = tdict(True, 3)\r
-        self.__PcdDict = {}\r
+        # Value: {MACRO_NAME: MACRO_VALUE}\r
+        self._MacroDict = tdict(True, 3)\r
+        self._PcdDict = OrderedDict()\r
 \r
-        self.__WipeOffArea = []\r
+        self._WipeOffArea = []\r
         if GenFdsGlobalVariable.WorkSpaceDir == '':\r
             GenFdsGlobalVariable.WorkSpaceDir = os.getenv("WORKSPACE")\r
 \r
-    ## __IsWhiteSpace() method\r
+    ## _SkipWhiteSpace() method\r
     #\r
-    #   Whether char at current FileBufferPos is whitespace\r
+    #   Skip white spaces from current char.\r
     #\r
     #   @param  self        The object pointer\r
-    #   @param  Char        The char to test\r
-    #   @retval True        The char is a kind of white space\r
-    #   @retval False       The char is NOT a kind of white space\r
     #\r
-    def __IsWhiteSpace(self, Char):\r
-        if Char in (T_CHAR_NULL, T_CHAR_CR, T_CHAR_SPACE, T_CHAR_TAB, T_CHAR_LF):\r
-            return True\r
-        else:\r
-            return False\r
-\r
-    ## __SkipWhiteSpace() method\r
-    #\r
-    #   Skip white spaces from current char, return number of chars skipped\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @retval Count       The number of chars skipped\r
-    #\r
-    def __SkipWhiteSpace(self):\r
-        Count = 0\r
-        while not self.__EndOfFile():\r
-            Count += 1\r
-            if self.__CurrentChar() in (T_CHAR_NULL, T_CHAR_CR, T_CHAR_LF, T_CHAR_SPACE, T_CHAR_TAB):\r
-                self.__SkippedChars += str(self.__CurrentChar())\r
-                self.__GetOneChar()\r
-\r
+    def _SkipWhiteSpace(self):\r
+        while not self._EndOfFile():\r
+            if self._CurrentChar() in {TAB_PRINTCHAR_NUL, T_CHAR_CR, TAB_LINE_BREAK, TAB_SPACE_SPLIT, T_CHAR_TAB}:\r
+                self._SkippedChars += str(self._CurrentChar())\r
+                self._GetOneChar()\r
             else:\r
-                Count = Count - 1\r
-                return Count\r
+                return\r
+        return\r
 \r
-    ## __EndOfFile() method\r
+    ## _EndOfFile() method\r
     #\r
     #   Judge current buffer pos is at file end\r
     #\r
@@ -271,17 +289,16 @@ class FdfParser:
     #   @retval True        Current File buffer position is at file end\r
     #   @retval False       Current File buffer position is NOT at file end\r
     #\r
-    def __EndOfFile(self):\r
+    def _EndOfFile(self):\r
         NumberOfLines = len(self.Profile.FileLinesList)\r
         SizeOfLastLine = len(self.Profile.FileLinesList[-1])\r
         if self.CurrentLineNumber == NumberOfLines and self.CurrentOffsetWithinLine >= SizeOfLastLine - 1:\r
             return True\r
-        elif self.CurrentLineNumber > NumberOfLines:\r
+        if self.CurrentLineNumber > NumberOfLines:\r
             return True\r
-        else:\r
-            return False\r
+        return False\r
 \r
-    ## __EndOfLine() method\r
+    ## _EndOfLine() method\r
     #\r
     #   Judge current buffer pos is at line end\r
     #\r
@@ -289,26 +306,27 @@ class FdfParser:
     #   @retval True        Current File buffer position is at line end\r
     #   @retval False       Current File buffer position is NOT at line end\r
     #\r
-    def __EndOfLine(self):\r
+    def _EndOfLine(self):\r
         if self.CurrentLineNumber > len(self.Profile.FileLinesList):\r
             return True\r
         SizeOfCurrentLine = len(self.Profile.FileLinesList[self.CurrentLineNumber - 1])\r
         if self.CurrentOffsetWithinLine >= SizeOfCurrentLine:\r
             return True\r
-        else:\r
-            return False\r
+        return False\r
 \r
     ## Rewind() method\r
     #\r
     #   Reset file data buffer to the initial state\r
     #\r
     #   @param  self        The object pointer\r
+    #   @param  DestLine    Optional new destination line number.\r
+    #   @param  DestOffset  Optional new destination offset.\r
     #\r
-    def Rewind(self):\r
-        self.CurrentLineNumber = 1\r
-        self.CurrentOffsetWithinLine = 0\r
+    def Rewind(self, DestLine = 1, DestOffset = 0):\r
+        self.CurrentLineNumber = DestLine\r
+        self.CurrentOffsetWithinLine = DestOffset\r
 \r
-    ## __UndoOneChar() method\r
+    ## _UndoOneChar() method\r
     #\r
     #   Go back one char in the file buffer\r
     #\r
@@ -316,78 +334,78 @@ class FdfParser:
     #   @retval True        Successfully go back one char\r
     #   @retval False       Not able to go back one char as file beginning reached\r
     #\r
-    def __UndoOneChar(self):\r
-\r
+    def _UndoOneChar(self):\r
         if self.CurrentLineNumber == 1 and self.CurrentOffsetWithinLine == 0:\r
             return False\r
         elif self.CurrentOffsetWithinLine == 0:\r
             self.CurrentLineNumber -= 1\r
-            self.CurrentOffsetWithinLine = len(self.__CurrentLine()) - 1\r
+            self.CurrentOffsetWithinLine = len(self._CurrentLine()) - 1\r
         else:\r
             self.CurrentOffsetWithinLine -= 1\r
         return True\r
 \r
-    ## __GetOneChar() method\r
+    ## _GetOneChar() method\r
     #\r
     #   Move forward one char in the file buffer\r
     #\r
     #   @param  self        The object pointer\r
     #\r
-    def __GetOneChar(self):\r
+    def _GetOneChar(self):\r
         if self.CurrentOffsetWithinLine == len(self.Profile.FileLinesList[self.CurrentLineNumber - 1]) - 1:\r
             self.CurrentLineNumber += 1\r
             self.CurrentOffsetWithinLine = 0\r
         else:\r
             self.CurrentOffsetWithinLine += 1\r
 \r
-    ## __CurrentChar() method\r
+    ## _CurrentChar() method\r
     #\r
     #   Get the char pointed to by the file buffer pointer\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval Char        Current char\r
     #\r
-    def __CurrentChar(self):\r
+    def _CurrentChar(self):\r
         return self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine]\r
 \r
-    ## __NextChar() method\r
+    ## _NextChar() method\r
     #\r
     #   Get the one char pass the char pointed to by the file buffer pointer\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval Char        Next char\r
     #\r
-    def __NextChar(self):\r
+    def _NextChar(self):\r
         if self.CurrentOffsetWithinLine == len(self.Profile.FileLinesList[self.CurrentLineNumber - 1]) - 1:\r
             return self.Profile.FileLinesList[self.CurrentLineNumber][0]\r
-        else:\r
-            return self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine + 1]\r
+        return self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine + 1]\r
 \r
-    ## __SetCurrentCharValue() method\r
+    ## _SetCurrentCharValue() method\r
     #\r
     #   Modify the value of current char\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Value       The new value of current char\r
     #\r
-    def __SetCurrentCharValue(self, Value):\r
+    def _SetCurrentCharValue(self, Value):\r
         self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine] = Value\r
 \r
-    ## __CurrentLine() method\r
+    ## _CurrentLine() method\r
     #\r
     #   Get the list that contains current line contents\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval List        current line contents\r
     #\r
-    def __CurrentLine(self):\r
+    def _CurrentLine(self):\r
         return self.Profile.FileLinesList[self.CurrentLineNumber - 1]\r
 \r
-    def __StringToList(self):\r
+    def _StringToList(self):\r
         self.Profile.FileLinesList = [list(s) for s in self.Profile.FileLinesList]\r
+        if not self.Profile.FileLinesList:\r
+            EdkLogger.error('FdfParser', FILE_READ_FAILURE, 'The file is empty!', File=self.FileName)\r
         self.Profile.FileLinesList[-1].append(' ')\r
 \r
-    def __ReplaceFragment(self, StartPos, EndPos, Value = ' '):\r
+    def _ReplaceFragment(self, StartPos, EndPos, Value = ' '):\r
         if StartPos[0] == EndPos[0]:\r
             Offset = StartPos[1]\r
             while Offset <= EndPos[1]:\r
@@ -396,14 +414,14 @@ class FdfParser:
             return\r
 \r
         Offset = StartPos[1]\r
-        while self.Profile.FileLinesList[StartPos[0]][Offset] not in ('\r', '\n'):\r
+        while self.Profile.FileLinesList[StartPos[0]][Offset] not in CR_LB_SET:\r
             self.Profile.FileLinesList[StartPos[0]][Offset] = Value\r
             Offset += 1\r
 \r
         Line = StartPos[0]\r
         while Line < EndPos[0]:\r
             Offset = 0\r
-            while self.Profile.FileLinesList[Line][Offset] not in ('\r', '\n'):\r
+            while self.Profile.FileLinesList[Line][Offset] not in CR_LB_SET:\r
                 self.Profile.FileLinesList[Line][Offset] = Value\r
                 Offset += 1\r
             Line += 1\r
@@ -413,45 +431,29 @@ class FdfParser:
             self.Profile.FileLinesList[EndPos[0]][Offset] = Value\r
             Offset += 1\r
 \r
-\r
-    def __GetMacroName(self):\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Macro name", self.FileName, self.CurrentLineNumber)\r
-        MacroName = self.__Token\r
-        NotFlag = False\r
-        if MacroName.startswith('!'):\r
-            NotFlag = True\r
-            MacroName = MacroName[1:].strip()\r
-         \r
-        if not MacroName.startswith('$(') or not MacroName.endswith(')'):\r
-            raise Warning("Macro name expected(Please use '$(%(Token)s)' if '%(Token)s' is a macro.)" % {"Token" : MacroName},\r
-                          self.FileName, self.CurrentLineNumber)\r
-        MacroName = MacroName[2:-1]\r
-        return MacroName, NotFlag\r
-\r
-    def __SetMacroValue(self, Macro, Value):\r
-        if not self.__CurSection:\r
+    def _SetMacroValue(self, Macro, Value):\r
+        if not self._CurSection:\r
             return\r
 \r
         MacroDict = {}\r
-        if not self.__MacroDict[self.__CurSection[0], self.__CurSection[1], self.__CurSection[2]]:\r
-            self.__MacroDict[self.__CurSection[0], self.__CurSection[1], self.__CurSection[2]] = MacroDict\r
+        if not self._MacroDict[self._CurSection[0], self._CurSection[1], self._CurSection[2]]:\r
+            self._MacroDict[self._CurSection[0], self._CurSection[1], self._CurSection[2]] = MacroDict\r
         else:\r
-            MacroDict = self.__MacroDict[self.__CurSection[0], self.__CurSection[1], self.__CurSection[2]]\r
+            MacroDict = self._MacroDict[self._CurSection[0], self._CurSection[1], self._CurSection[2]]\r
         MacroDict[Macro] = Value\r
 \r
-    def __GetMacroValue(self, Macro):\r
+    def _GetMacroValue(self, Macro):\r
         # Highest priority\r
         if Macro in GlobalData.gCommandLineDefines:\r
             return GlobalData.gCommandLineDefines[Macro]\r
         if Macro in GlobalData.gGlobalDefines:\r
             return GlobalData.gGlobalDefines[Macro]\r
 \r
-        if self.__CurSection:\r
-            MacroDict = self.__MacroDict[\r
-                        self.__CurSection[0],\r
-                        self.__CurSection[1],\r
-                        self.__CurSection[2]\r
+        if self._CurSection:\r
+            MacroDict = self._MacroDict[\r
+                        self._CurSection[0],\r
+                        self._CurSection[1],\r
+                        self._CurSection[2]\r
             ]\r
             if MacroDict and Macro in MacroDict:\r
                 return MacroDict[Macro]\r
@@ -461,33 +463,26 @@ class FdfParser:
             return GlobalData.gPlatformDefines[Macro]\r
         return None\r
 \r
-    def __SectionHeaderParser(self, Section):\r
+    def _SectionHeaderParser(self, Section):\r
         # [Defines]\r
         # [FD.UiName]: use dummy instead if UI name is optional\r
         # [FV.UiName]\r
         # [Capsule.UiName]\r
         # [Rule]: don't take rule section into account, macro is not allowed in this section\r
-        # [VTF.arch.UiName, arch]\r
         # [OptionRom.DriverName]\r
-        self.__CurSection = []\r
-        Section = Section.strip()[1:-1].upper().replace(' ', '').strip('.')\r
-        ItemList = Section.split('.')\r
+        self._CurSection = []\r
+        Section = Section.strip()[1:-1].upper().replace(' ', '').strip(TAB_SPLIT)\r
+        ItemList = Section.split(TAB_SPLIT)\r
         Item = ItemList[0]\r
         if Item == '' or Item == 'RULE':\r
             return\r
 \r
-        if Item == 'DEFINES':\r
-            self.__CurSection = ['COMMON', 'COMMON', 'COMMON']\r
-        elif Item == 'VTF' and len(ItemList) == 3:\r
-            UiName = ItemList[2]\r
-            Pos = UiName.find(',')\r
-            if Pos != -1:\r
-                UiName = UiName[:Pos]\r
-            self.__CurSection = ['VTF', UiName, ItemList[1]]\r
+        if Item == TAB_COMMON_DEFINES.upper():\r
+            self._CurSection = [TAB_COMMON, TAB_COMMON, TAB_COMMON]\r
         elif len(ItemList) > 1:\r
-            self.__CurSection = [ItemList[0], ItemList[1], 'COMMON']\r
+            self._CurSection = [ItemList[0], ItemList[1], TAB_COMMON]\r
         elif len(ItemList) > 0:\r
-            self.__CurSection = [ItemList[0], 'DUMMY', 'COMMON']\r
+            self._CurSection = [ItemList[0], 'DUMMY', TAB_COMMON]\r
 \r
     ## PreprocessFile() method\r
     #\r
@@ -499,7 +494,6 @@ class FdfParser:
     #   @param  self        The object pointer\r
     #\r
     def PreprocessFile(self):\r
-\r
         self.Rewind()\r
         InComment = False\r
         DoubleSlashComment = False\r
@@ -507,12 +501,12 @@ class FdfParser:
         # HashComment in quoted string " " is ignored.\r
         InString = False\r
 \r
-        while not self.__EndOfFile():\r
+        while not self._EndOfFile():\r
 \r
-            if self.__CurrentChar() == T_CHAR_DOUBLE_QUOTE and not InComment:\r
+            if self._CurrentChar() == T_CHAR_DOUBLE_QUOTE and not InComment:\r
                 InString = not InString\r
             # meet new line, then no longer in a comment for // and '#'\r
-            if self.__CurrentChar() == T_CHAR_LF:\r
+            if self._CurrentChar() == TAB_LINE_BREAK:\r
                 self.CurrentLineNumber += 1\r
                 self.CurrentOffsetWithinLine = 0\r
                 if InComment and DoubleSlashComment:\r
@@ -522,33 +516,33 @@ class FdfParser:
                     InComment = False\r
                     HashComment = False\r
             # check for */ comment end\r
-            elif InComment and not DoubleSlashComment and not HashComment and self.__CurrentChar() == T_CHAR_STAR and self.__NextChar() == T_CHAR_SLASH:\r
-                self.__SetCurrentCharValue(T_CHAR_SPACE)\r
-                self.__GetOneChar()\r
-                self.__SetCurrentCharValue(T_CHAR_SPACE)\r
-                self.__GetOneChar()\r
+            elif InComment and not DoubleSlashComment and not HashComment and self._CurrentChar() == TAB_STAR and self._NextChar() == TAB_BACK_SLASH:\r
+                self._SetCurrentCharValue(TAB_SPACE_SPLIT)\r
+                self._GetOneChar()\r
+                self._SetCurrentCharValue(TAB_SPACE_SPLIT)\r
+                self._GetOneChar()\r
                 InComment = False\r
             # set comments to spaces\r
             elif InComment:\r
-                self.__SetCurrentCharValue(T_CHAR_SPACE)\r
-                self.__GetOneChar()\r
+                self._SetCurrentCharValue(TAB_SPACE_SPLIT)\r
+                self._GetOneChar()\r
             # check for // comment\r
-            elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_SLASH and not self.__EndOfLine():\r
+            elif self._CurrentChar() == TAB_BACK_SLASH and self._NextChar() == TAB_BACK_SLASH and not self._EndOfLine():\r
                 InComment = True\r
                 DoubleSlashComment = True\r
             # check for '#' comment\r
-            elif self.__CurrentChar() == T_CHAR_HASH and not self.__EndOfLine() and not InString:\r
+            elif self._CurrentChar() == TAB_COMMENT_SPLIT and not self._EndOfLine() and not InString:\r
                 InComment = True\r
                 HashComment = True\r
             # check for /* comment start\r
-            elif self.__CurrentChar() == T_CHAR_SLASH and self.__NextChar() == T_CHAR_STAR:\r
-                self.__SetCurrentCharValue( T_CHAR_SPACE)\r
-                self.__GetOneChar()\r
-                self.__SetCurrentCharValue( T_CHAR_SPACE)\r
-                self.__GetOneChar()\r
+            elif self._CurrentChar() == TAB_BACK_SLASH and self._NextChar() == TAB_STAR:\r
+                self._SetCurrentCharValue(TAB_SPACE_SPLIT)\r
+                self._GetOneChar()\r
+                self._SetCurrentCharValue(TAB_SPACE_SPLIT)\r
+                self._GetOneChar()\r
                 InComment = True\r
             else:\r
-                self.__GetOneChar()\r
+                self._GetOneChar()\r
 \r
         # restore from ListOfList to ListOfString\r
         self.Profile.FileLinesList = ["".join(list) for list in self.Profile.FileLinesList]\r
@@ -562,27 +556,48 @@ class FdfParser:
     #   @param  self        The object pointer\r
     #\r
     def PreprocessIncludeFile(self):\r
-\r
-        while self.__GetNextToken():\r
-\r
-            if self.__Token == '!include':\r
+      # nested include support\r
+        Processed = False\r
+        MacroDict = {}\r
+        while self._GetNextToken():\r
+\r
+            if self._Token == TAB_DEFINE:\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("Macro name", self.FileName, self.CurrentLineNumber)\r
+                Macro = self._Token\r
+                if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                    raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                Value = self._GetExpression()\r
+                MacroDict[Macro] = Value\r
+\r
+            elif self._Token == TAB_INCLUDE:\r
+                Processed = True\r
                 IncludeLine = self.CurrentLineNumber\r
-                IncludeOffset = self.CurrentOffsetWithinLine - len('!include')\r
-                if not self.__GetNextToken():\r
-                    raise Warning("expected include file name", self.FileName, self.CurrentLineNumber)\r
-                IncFileName = self.__Token\r
-                __IncludeMacros = {}\r
-                for Macro in ['WORKSPACE', 'ECP_SOURCE', 'EFI_SOURCE', 'EDK_SOURCE']:\r
-                    MacroVal = self.__GetMacroValue(Macro)\r
-                    if MacroVal:\r
-                        __IncludeMacros[Macro] = MacroVal\r
+                IncludeOffset = self.CurrentOffsetWithinLine - len(TAB_INCLUDE)\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("include file name", self.FileName, self.CurrentLineNumber)\r
+                IncFileName = self._Token\r
+                PreIndex = 0\r
+                StartPos = IncFileName.find('$(', PreIndex)\r
+                EndPos = IncFileName.find(')', StartPos+2)\r
+                while StartPos != -1 and EndPos != -1:\r
+                    Macro = IncFileName[StartPos+2: EndPos]\r
+                    MacroVal = self._GetMacroValue(Macro)\r
+                    if not MacroVal:\r
+                        if Macro in MacroDict:\r
+                            MacroVal = MacroDict[Macro]\r
+                    if MacroVal is not None:\r
+                        IncFileName = IncFileName.replace('$(' + Macro + ')', MacroVal, 1)\r
+                        if MacroVal.find('$(') != -1:\r
+                            PreIndex = StartPos\r
+                        else:\r
+                            PreIndex = StartPos + len(MacroVal)\r
+                    else:\r
+                        raise Warning("The Macro %s is not defined" %Macro, self.FileName, self.CurrentLineNumber)\r
+                    StartPos = IncFileName.find('$(', PreIndex)\r
+                    EndPos = IncFileName.find(')', StartPos+2)\r
 \r
-                try:\r
-                    IncludedFile = NormPath(ReplaceMacro(IncFileName, __IncludeMacros, RaiseError=True))\r
-                except:\r
-                    raise Warning("only these system environment variables are permitted to start the path of the included file: "\r
-                                  "$(WORKSPACE), $(ECP_SOURCE), $(EFI_SOURCE), $(EDK_SOURCE)",\r
-                                  self.FileName, self.CurrentLineNumber)\r
+                IncludedFile = NormPath(IncFileName)\r
                 #\r
                 # First search the include file under the same directory as FDF file\r
                 #\r
@@ -606,20 +621,27 @@ class FdfParser:
                         IncludedFile1 = PathClass(IncludedFile, GlobalData.gWorkspace)\r
                         ErrorCode = IncludedFile1.Validate()[0]\r
                         if ErrorCode != 0:\r
-                            raise Warning("The include file does not exist under below directories: \n%s\n%s\n%s\n"%(os.path.dirname(self.FileName), PlatformDir, GlobalData.gWorkspace), \r
+                            raise Warning("The include file does not exist under below directories: \n%s\n%s\n%s\n"%(os.path.dirname(self.FileName), PlatformDir, GlobalData.gWorkspace),\r
                                           self.FileName, self.CurrentLineNumber)\r
 \r
+                if not IsValidInclude (IncludedFile1.Path, self.CurrentLineNumber):\r
+                    raise Warning("The include file {0} is causing a include loop.\n".format (IncludedFile1.Path), self.FileName, self.CurrentLineNumber)\r
+\r
                 IncFileProfile = IncludeFileProfile(IncludedFile1.Path)\r
 \r
                 CurrentLine = self.CurrentLineNumber\r
                 CurrentOffset = self.CurrentOffsetWithinLine\r
                 # list index of the insertion, note that line number is 'CurrentLine + 1'\r
                 InsertAtLine = CurrentLine\r
+                ParentProfile = GetParentAtLine (CurrentLine)\r
+                if ParentProfile is not None:\r
+                    ParentProfile.IncludeFileList.insert(0, IncFileProfile)\r
+                    IncFileProfile.Level = ParentProfile.Level + 1\r
                 IncFileProfile.InsertStartLineNumber = InsertAtLine + 1\r
                 # deal with remaining portions after "!include filename", if exists.\r
-                if self.__GetNextToken():\r
+                if self._GetNextToken():\r
                     if self.CurrentLineNumber == CurrentLine:\r
-                        RemainingLine = self.__CurrentLine()[CurrentOffset:]\r
+                        RemainingLine = self._CurrentLine()[CurrentOffset:]\r
                         self.Profile.FileLinesList.insert(self.CurrentLineNumber, RemainingLine)\r
                         IncFileProfile.InsertAdjust += 1\r
                         self.CurrentLineNumber += 1\r
@@ -630,25 +652,30 @@ class FdfParser:
                     self.CurrentLineNumber += 1\r
                     InsertAtLine += 1\r
 \r
-                IncludeFileList.append(IncFileProfile)\r
+                # reversely sorted to better determine error in file\r
+                AllIncludeFileList.insert(0, IncFileProfile)\r
 \r
                 # comment out the processed include file statement\r
                 TempList = list(self.Profile.FileLinesList[IncludeLine - 1])\r
-                TempList.insert(IncludeOffset, '#')\r
+                TempList.insert(IncludeOffset, TAB_COMMENT_SPLIT)\r
                 self.Profile.FileLinesList[IncludeLine - 1] = ''.join(TempList)\r
-\r
+            if Processed: # Nested and back-to-back support\r
+                self.Rewind(DestLine = IncFileProfile.InsertStartLineNumber - 1)\r
+                Processed = False\r
+        # Preprocess done.\r
         self.Rewind()\r
-        \r
-    def __GetIfListCurrentItemStat(self, IfList):\r
+\r
+    @staticmethod\r
+    def _GetIfListCurrentItemStat(IfList):\r
         if len(IfList) == 0:\r
             return True\r
-        \r
+\r
         for Item in IfList:\r
             if Item[1] == False:\r
                 return False\r
-        \r
+\r
         return True\r
-    \r
+\r
     ## PreprocessConditionalStatement() method\r
     #\r
     #   Preprocess conditional statement.\r
@@ -661,35 +688,35 @@ class FdfParser:
         IfList = []\r
         RegionLayoutLine = 0\r
         ReplacedLine = -1\r
-        while self.__GetNextToken():\r
+        while self._GetNextToken():\r
             # Determine section name and the location dependent macro\r
-            if self.__GetIfListCurrentItemStat(IfList):\r
-                if self.__Token.startswith('['):\r
-                    Header = self.__Token\r
-                    if not self.__Token.endswith(']'):\r
-                        self.__SkipToToken(']')\r
-                        Header += self.__SkippedChars\r
+            if self._GetIfListCurrentItemStat(IfList):\r
+                if self._Token.startswith(TAB_SECTION_START):\r
+                    Header = self._Token\r
+                    if not self._Token.endswith(TAB_SECTION_END):\r
+                        self._SkipToToken(TAB_SECTION_END)\r
+                        Header += self._SkippedChars\r
                     if Header.find('$(') != -1:\r
                         raise Warning("macro cannot be used in section header", self.FileName, self.CurrentLineNumber)\r
-                    self.__SectionHeaderParser(Header)\r
+                    self._SectionHeaderParser(Header)\r
                     continue\r
                 # Replace macros except in RULE section or out of section\r
-                elif self.__CurSection and ReplacedLine != self.CurrentLineNumber:\r
+                elif self._CurSection and ReplacedLine != self.CurrentLineNumber:\r
                     ReplacedLine = self.CurrentLineNumber\r
-                    self.__UndoToken()\r
+                    self._UndoToken()\r
                     CurLine = self.Profile.FileLinesList[ReplacedLine - 1]\r
                     PreIndex = 0\r
                     StartPos = CurLine.find('$(', PreIndex)\r
                     EndPos = CurLine.find(')', StartPos+2)\r
-                    while StartPos != -1 and EndPos != -1 and self.__Token not in ['!ifdef', '!ifndef', '!if', '!elseif']:\r
-                        MacroName = CurLine[StartPos+2 : EndPos]\r
-                        MacorValue = self.__GetMacroValue(MacroName)\r
-                        if MacorValue != None:\r
-                            CurLine = CurLine.replace('$(' + MacroName + ')', MacorValue, 1)\r
-                            if MacorValue.find('$(') != -1:\r
+                    while StartPos != -1 and EndPos != -1 and self._Token not in {TAB_IF_DEF, TAB_IF_N_DEF, TAB_IF, TAB_ELSE_IF}:\r
+                        MacroName = CurLine[StartPos+2: EndPos]\r
+                        MacroValue = self._GetMacroValue(MacroName)\r
+                        if MacroValue is not None:\r
+                            CurLine = CurLine.replace('$(' + MacroName + ')', MacroValue, 1)\r
+                            if MacroValue.find('$(') != -1:\r
                                 PreIndex = StartPos\r
                             else:\r
-                                PreIndex = StartPos + len(MacorValue)\r
+                                PreIndex = StartPos + len(MacroValue)\r
                         else:\r
                             PreIndex = EndPos + 1\r
                         StartPos = CurLine.find('$(', PreIndex)\r
@@ -697,71 +724,74 @@ class FdfParser:
                     self.Profile.FileLinesList[ReplacedLine - 1] = CurLine\r
                     continue\r
 \r
-            if self.__Token == 'DEFINE':\r
-                if self.__GetIfListCurrentItemStat(IfList):\r
-                    if not self.__CurSection:\r
+            if self._Token == TAB_DEFINE:\r
+                if self._GetIfListCurrentItemStat(IfList):\r
+                    if not self._CurSection:\r
                         raise Warning("macro cannot be defined in Rule section or out of section", self.FileName, self.CurrentLineNumber)\r
                     DefineLine = self.CurrentLineNumber - 1\r
-                    DefineOffset = self.CurrentOffsetWithinLine - len('DEFINE')\r
-                    if not self.__GetNextToken():\r
-                        raise Warning("expected Macro name", self.FileName, self.CurrentLineNumber)\r
-                    Macro = self.__Token\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-    \r
-                    Value = self.__GetExpression()\r
-                    self.__SetMacroValue(Macro, Value)\r
-                    self.__WipeOffArea.append(((DefineLine, DefineOffset), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
-            elif self.__Token == 'SET':\r
+                    DefineOffset = self.CurrentOffsetWithinLine - len(TAB_DEFINE)\r
+                    if not self._GetNextToken():\r
+                        raise Warning.Expected("Macro name", self.FileName, self.CurrentLineNumber)\r
+                    Macro = self._Token\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+                    Value = self._GetExpression()\r
+                    self._SetMacroValue(Macro, Value)\r
+                    self._WipeOffArea.append(((DefineLine, DefineOffset), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+            elif self._Token == 'SET':\r
+                if not self._GetIfListCurrentItemStat(IfList):\r
+                    continue\r
                 SetLine = self.CurrentLineNumber - 1\r
                 SetOffset = self.CurrentOffsetWithinLine - len('SET')\r
-                PcdPair = self.__GetNextPcdName()\r
+                PcdPair = self._GetNextPcdSettings()\r
                 PcdName = "%s.%s" % (PcdPair[1], PcdPair[0])\r
-                if not self.__IsToken( "="):\r
-                    raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+                if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                    raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-                Value = self.__GetExpression()\r
-                Value = self.__EvaluateConditional(Value, self.CurrentLineNumber, 'eval', True)\r
+                Value = self._GetExpression()\r
+                Value = self._EvaluateConditional(Value, self.CurrentLineNumber, 'eval', True)\r
 \r
-                self.__PcdDict[PcdName] = Value\r
+                self._PcdDict[PcdName] = Value\r
 \r
                 self.Profile.PcdDict[PcdPair] = Value\r
+                self.SetPcdLocalation(PcdPair)\r
                 FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
                 self.Profile.PcdFileLineDict[PcdPair] = FileLineTuple\r
 \r
-                self.__WipeOffArea.append(((SetLine, SetOffset), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
-            elif self.__Token in ('!ifdef', '!ifndef', '!if'):\r
-                IfStartPos = (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len(self.__Token))\r
+                self._WipeOffArea.append(((SetLine, SetOffset), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+            elif self._Token in {TAB_IF_DEF, TAB_IF_N_DEF, TAB_IF}:\r
+                IfStartPos = (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len(self._Token))\r
                 IfList.append([IfStartPos, None, None])\r
 \r
-                CondLabel = self.__Token\r
-                Expression = self.__GetExpression()\r
-                \r
-                if CondLabel == '!if':\r
-                    ConditionSatisfied = self.__EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'eval')\r
+                CondLabel = self._Token\r
+                Expression = self._GetExpression()\r
+\r
+                if CondLabel == TAB_IF:\r
+                    ConditionSatisfied = self._EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'eval')\r
                 else:\r
-                    ConditionSatisfied = self.__EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'in')\r
-                    if CondLabel == '!ifndef':\r
+                    ConditionSatisfied = self._EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'in')\r
+                    if CondLabel == TAB_IF_N_DEF:\r
                         ConditionSatisfied = not ConditionSatisfied\r
 \r
                 BranchDetermined = ConditionSatisfied\r
                 IfList[-1] = [IfList[-1][0], ConditionSatisfied, BranchDetermined]\r
                 if ConditionSatisfied:\r
-                    self.__WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))                 \r
-            elif self.__Token in ('!elseif', '!else'):\r
-                ElseStartPos = (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len(self.__Token))\r
+                    self._WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+            elif self._Token in {TAB_ELSE_IF, TAB_ELSE}:\r
+                ElseStartPos = (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len(self._Token))\r
                 if len(IfList) <= 0:\r
                     raise Warning("Missing !if statement", self.FileName, self.CurrentLineNumber)\r
 \r
                 if IfList[-1][1]:\r
                     IfList[-1] = [ElseStartPos, False, True]\r
-                    self.__WipeOffArea.append((ElseStartPos, (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+                    self._WipeOffArea.append((ElseStartPos, (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
                 else:\r
-                    self.__WipeOffArea.append((IfList[-1][0], ElseStartPos))\r
+                    self._WipeOffArea.append((IfList[-1][0], ElseStartPos))\r
                     IfList[-1] = [ElseStartPos, True, IfList[-1][2]]\r
-                    if self.__Token == '!elseif':\r
-                        Expression = self.__GetExpression()\r
-                        ConditionSatisfied = self.__EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'eval')\r
+                    if self._Token == TAB_ELSE_IF:\r
+                        Expression = self._GetExpression()\r
+                        ConditionSatisfied = self._EvaluateConditional(Expression, IfList[-1][0][0] + 1, 'eval')\r
                         IfList[-1] = [IfList[-1][0], ConditionSatisfied, IfList[-1][2]]\r
 \r
                     if IfList[-1][1]:\r
@@ -769,14 +799,14 @@ class FdfParser:
                             IfList[-1][1] = False\r
                         else:\r
                             IfList[-1][2] = True\r
-                            self.__WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
-            elif self.__Token == '!endif':\r
+                            self._WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+            elif self._Token == '!endif':\r
                 if len(IfList) <= 0:\r
                     raise Warning("Missing !if statement", self.FileName, self.CurrentLineNumber)\r
                 if IfList[-1][1]:\r
-                    self.__WipeOffArea.append(((self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len('!endif')), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+                    self._WipeOffArea.append(((self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - len('!endif')), (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
                 else:\r
-                    self.__WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
+                    self._WipeOffArea.append((IfList[-1][0], (self.CurrentLineNumber - 1, self.CurrentOffsetWithinLine - 1)))\r
 \r
                 IfList.pop()\r
             elif not IfList:    # Don't use PCDs inside conditional directive\r
@@ -785,7 +815,7 @@ class FdfParser:
                     continue\r
                 SetPcd = ShortcutPcdPattern.match(self.Profile.FileLinesList[self.CurrentLineNumber - 1])\r
                 if SetPcd:\r
-                    self.__PcdDict[SetPcd.group('name')] = SetPcd.group('value')\r
+                    self._PcdDict[SetPcd.group('name')] = SetPcd.group('value')\r
                     RegionLayoutLine = self.CurrentLineNumber\r
                     continue\r
                 RegionSize = RegionSizePattern.match(self.Profile.FileLinesList[self.CurrentLineNumber - 1])\r
@@ -796,64 +826,69 @@ class FdfParser:
                 if not RegionSizeGuid:\r
                     RegionLayoutLine = self.CurrentLineNumber + 1\r
                     continue\r
-                self.__PcdDict[RegionSizeGuid.group('base')] = RegionSize.group('base')\r
-                self.__PcdDict[RegionSizeGuid.group('size')] = RegionSize.group('size')\r
+                self._PcdDict[RegionSizeGuid.group('base')] = RegionSize.group('base')\r
+                self._PcdDict[RegionSizeGuid.group('size')] = RegionSize.group('size')\r
                 RegionLayoutLine = self.CurrentLineNumber + 1\r
 \r
         if IfList:\r
             raise Warning("Missing !endif", self.FileName, self.CurrentLineNumber)\r
         self.Rewind()\r
 \r
-    def __CollectMacroPcd(self):\r
+    def _CollectMacroPcd(self):\r
         MacroDict = {}\r
 \r
         # PCD macro\r
         MacroDict.update(GlobalData.gPlatformPcds)\r
-        MacroDict.update(self.__PcdDict)\r
+        MacroDict.update(self._PcdDict)\r
 \r
         # Lowest priority\r
         MacroDict.update(GlobalData.gPlatformDefines)\r
 \r
-        if self.__CurSection:\r
+        if self._CurSection:\r
             # Defines macro\r
-            ScopeMacro = self.__MacroDict['COMMON', 'COMMON', 'COMMON']\r
+            ScopeMacro = self._MacroDict[TAB_COMMON, TAB_COMMON, TAB_COMMON]\r
             if ScopeMacro:\r
                 MacroDict.update(ScopeMacro)\r
-    \r
+\r
             # Section macro\r
-            ScopeMacro = self.__MacroDict[\r
-                        self.__CurSection[0],\r
-                        self.__CurSection[1],\r
-                        self.__CurSection[2]\r
+            ScopeMacro = self._MacroDict[\r
+                        self._CurSection[0],\r
+                        self._CurSection[1],\r
+                        self._CurSection[2]\r
             ]\r
             if ScopeMacro:\r
                 MacroDict.update(ScopeMacro)\r
 \r
         MacroDict.update(GlobalData.gGlobalDefines)\r
         MacroDict.update(GlobalData.gCommandLineDefines)\r
+        for Item in GlobalData.BuildOptionPcd:\r
+            if isinstance(Item, tuple):\r
+                continue\r
+            PcdName, TmpValue = Item.split(TAB_EQUAL_SPLIT)\r
+            TmpValue = BuildOptionValue(TmpValue, {})\r
+            MacroDict[PcdName.strip()] = TmpValue\r
         # Highest priority\r
 \r
         return MacroDict\r
 \r
-    def __EvaluateConditional(self, Expression, Line, Op = None, Value = None):\r
-        FileLineTuple = GetRealFileLine(self.FileName, Line)\r
-        MacroPcdDict = self.__CollectMacroPcd()\r
+    def _EvaluateConditional(self, Expression, Line, Op = None, Value = None):\r
+        MacroPcdDict = self._CollectMacroPcd()\r
         if Op == 'eval':\r
             try:\r
                 if Value:\r
                     return ValueExpression(Expression, MacroPcdDict)(True)\r
                 else:\r
                     return ValueExpression(Expression, MacroPcdDict)()\r
-            except WrnExpression, Excpt:\r
-                # \r
+            except WrnExpression as Excpt:\r
+                #\r
                 # Catch expression evaluation warning here. We need to report\r
                 # the precise number of line and return the evaluation result\r
                 #\r
                 EdkLogger.warn('Parser', "Suspicious expression: %s" % str(Excpt),\r
-                                File=self.FileName, ExtraData=self.__CurrentLine(), \r
+                                File=self.FileName, ExtraData=self._CurrentLine(),\r
                                 Line=Line)\r
                 return Excpt.result\r
-            except Exception, Excpt:\r
+            except Exception as Excpt:\r
                 if hasattr(Excpt, 'Pcd'):\r
                     if Excpt.Pcd in GlobalData.gPlatformOtherPcds:\r
                         Info = GlobalData.gPlatformOtherPcds[Excpt.Pcd]\r
@@ -861,21 +896,21 @@ class FdfParser:
                                       " it must be defined in a [PcdsFixedAtBuild] or [PcdsFeatureFlag] section"\r
                                       " of the DSC file (%s), and it is currently defined in this section:"\r
                                       " %s, line #: %d." % (Excpt.Pcd, GlobalData.gPlatformOtherPcds['DSCFILE'], Info[0], Info[1]),\r
-                                      *FileLineTuple)\r
+                                      self.FileName, Line)\r
                     else:\r
                         raise Warning("PCD (%s) is not defined in DSC file (%s)" % (Excpt.Pcd, GlobalData.gPlatformOtherPcds['DSCFILE']),\r
-                                      *FileLineTuple)\r
+                                      self.FileName, Line)\r
                 else:\r
-                    raise Warning(str(Excpt), *FileLineTuple)\r
+                    raise Warning(str(Excpt), self.FileName, Line)\r
         else:\r
             if Expression.startswith('$(') and Expression[-1] == ')':\r
-                Expression = Expression[2:-1]            \r
+                Expression = Expression[2:-1]\r
             return Expression in MacroPcdDict\r
 \r
-    ## __IsToken() method\r
+    ## _IsToken() method\r
     #\r
     #   Check whether input string is found from current char position along\r
-    #   If found, the string value is put into self.__Token\r
+    #   If found, the string value is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  String      The string to search\r
@@ -883,26 +918,26 @@ class FdfParser:
     #   @retval True        Successfully find string, file buffer pointer moved forward\r
     #   @retval False       Not able to find string, file buffer pointer not changed\r
     #\r
-    def __IsToken(self, String, IgnoreCase = False):\r
-        self.__SkipWhiteSpace()\r
+    def _IsToken(self, String, IgnoreCase = False):\r
+        self._SkipWhiteSpace()\r
 \r
         # Only consider the same line, no multi-line token allowed\r
         StartPos = self.CurrentOffsetWithinLine\r
         index = -1\r
         if IgnoreCase:\r
-            index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].upper().find(String.upper())\r
+            index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].upper().find(String.upper())\r
         else:\r
-            index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].find(String)\r
+            index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].find(String)\r
         if index == 0:\r
             self.CurrentOffsetWithinLine += len(String)\r
-            self.__Token = self.__CurrentLine()[StartPos : self.CurrentOffsetWithinLine]\r
+            self._Token = self._CurrentLine()[StartPos: self.CurrentOffsetWithinLine]\r
             return True\r
         return False\r
 \r
-    ## __IsKeyword() method\r
+    ## _IsKeyword() method\r
     #\r
     #   Check whether input keyword is found from current char position along, whole word only!\r
-    #   If found, the string value is put into self.__Token\r
+    #   If found, the string value is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Keyword     The string to search\r
@@ -910,94 +945,117 @@ class FdfParser:
     #   @retval True        Successfully find string, file buffer pointer moved forward\r
     #   @retval False       Not able to find string, file buffer pointer not changed\r
     #\r
-    def __IsKeyword(self, KeyWord, IgnoreCase = False):\r
-        self.__SkipWhiteSpace()\r
+    def _IsKeyword(self, KeyWord, IgnoreCase = False):\r
+        self._SkipWhiteSpace()\r
 \r
         # Only consider the same line, no multi-line token allowed\r
         StartPos = self.CurrentOffsetWithinLine\r
         index = -1\r
         if IgnoreCase:\r
-            index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].upper().find(KeyWord.upper())\r
+            index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].upper().find(KeyWord.upper())\r
         else:\r
-            index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].find(KeyWord)\r
+            index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].find(KeyWord)\r
         if index == 0:\r
-            followingChar = self.__CurrentLine()[self.CurrentOffsetWithinLine + len(KeyWord)]\r
-            if not str(followingChar).isspace() and followingChar not in SEPERATOR_TUPLE:\r
+            followingChar = self._CurrentLine()[self.CurrentOffsetWithinLine + len(KeyWord)]\r
+            if not str(followingChar).isspace() and followingChar not in SEPARATORS:\r
                 return False\r
             self.CurrentOffsetWithinLine += len(KeyWord)\r
-            self.__Token = self.__CurrentLine()[StartPos : self.CurrentOffsetWithinLine]\r
+            self._Token = self._CurrentLine()[StartPos: self.CurrentOffsetWithinLine]\r
             return True\r
         return False\r
 \r
-    def __GetExpression(self):\r
+    def _GetExpression(self):\r
         Line = self.Profile.FileLinesList[self.CurrentLineNumber - 1]\r
         Index = len(Line) - 1\r
-        while Line[Index] in ['\r', '\n']:\r
+        while Line[Index] in CR_LB_SET:\r
             Index -= 1\r
         ExpressionString = self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:Index+1]\r
         self.CurrentOffsetWithinLine += len(ExpressionString)\r
         ExpressionString = ExpressionString.strip()\r
         return ExpressionString\r
 \r
-    ## __GetNextWord() method\r
+    ## _GetNextWord() method\r
     #\r
     #   Get next C name from file lines\r
-    #   If found, the string value is put into self.__Token\r
+    #   If found, the string value is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a C name string, file buffer pointer moved forward\r
     #   @retval False       Not able to find a C name string, file buffer pointer not changed\r
     #\r
-    def __GetNextWord(self):\r
-        self.__SkipWhiteSpace()\r
-        if self.__EndOfFile():\r
+    def _GetNextWord(self):\r
+        self._SkipWhiteSpace()\r
+        if self._EndOfFile():\r
             return False\r
 \r
-        TempChar = self.__CurrentChar()\r
+        TempChar = self._CurrentChar()\r
         StartPos = self.CurrentOffsetWithinLine\r
         if (TempChar >= 'a' and TempChar <= 'z') or (TempChar >= 'A' and TempChar <= 'Z') or TempChar == '_':\r
-            self.__GetOneChar()\r
-            while not self.__EndOfLine():\r
-                TempChar = self.__CurrentChar()\r
+            self._GetOneChar()\r
+            while not self._EndOfLine():\r
+                TempChar = self._CurrentChar()\r
                 if (TempChar >= 'a' and TempChar <= 'z') or (TempChar >= 'A' and TempChar <= 'Z') \\r
                 or (TempChar >= '0' and TempChar <= '9') or TempChar == '_' or TempChar == '-':\r
-                    self.__GetOneChar()\r
+                    self._GetOneChar()\r
+\r
+                else:\r
+                    break\r
+\r
+            self._Token = self._CurrentLine()[StartPos: self.CurrentOffsetWithinLine]\r
+            return True\r
+\r
+        return False\r
+\r
+    def _GetNextPcdWord(self):\r
+        self._SkipWhiteSpace()\r
+        if self._EndOfFile():\r
+            return False\r
+\r
+        TempChar = self._CurrentChar()\r
+        StartPos = self.CurrentOffsetWithinLine\r
+        if (TempChar >= 'a' and TempChar <= 'z') or (TempChar >= 'A' and TempChar <= 'Z') or TempChar == '_' or TempChar == TAB_SECTION_START or TempChar == TAB_SECTION_END:\r
+            self._GetOneChar()\r
+            while not self._EndOfLine():\r
+                TempChar = self._CurrentChar()\r
+                if (TempChar >= 'a' and TempChar <= 'z') or (TempChar >= 'A' and TempChar <= 'Z') \\r
+                or (TempChar >= '0' and TempChar <= '9') or TempChar == '_' or TempChar == '-' or TempChar == TAB_SECTION_START or TempChar == TAB_SECTION_END:\r
+                    self._GetOneChar()\r
 \r
                 else:\r
                     break\r
 \r
-            self.__Token = self.__CurrentLine()[StartPos : self.CurrentOffsetWithinLine]\r
+            self._Token = self._CurrentLine()[StartPos: self.CurrentOffsetWithinLine]\r
             return True\r
 \r
         return False\r
 \r
-    ## __GetNextToken() method\r
+    ## _GetNextToken() method\r
     #\r
-    #   Get next token unit before a seperator\r
-    #   If found, the string value is put into self.__Token\r
+    #   Get next token unit before a separator\r
+    #   If found, the string value is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a token unit, file buffer pointer moved forward\r
     #   @retval False       Not able to find a token unit, file buffer pointer not changed\r
     #\r
-    def __GetNextToken(self):\r
+    def _GetNextToken(self):\r
         # Skip leading spaces, if exist.\r
-        self.__SkipWhiteSpace()\r
-        if self.__EndOfFile():\r
+        self._SkipWhiteSpace()\r
+        if self._EndOfFile():\r
             return False\r
         # Record the token start position, the position of the first non-space char.\r
         StartPos = self.CurrentOffsetWithinLine\r
         StartLine = self.CurrentLineNumber\r
         while StartLine == self.CurrentLineNumber:\r
-            TempChar = self.__CurrentChar()\r
-            # Try to find the end char that is not a space and not in seperator tuple.\r
+            TempChar = self._CurrentChar()\r
+            # Try to find the end char that is not a space and not in separator tuple.\r
             # That is, when we got a space or any char in the tuple, we got the end of token.\r
-            if not str(TempChar).isspace() and TempChar not in SEPERATOR_TUPLE:\r
-                self.__GetOneChar()\r
-            # if we happen to meet a seperator as the first char, we must proceed to get it.\r
-            # That is, we get a token that is a seperator char. nomally it is the boundary of other tokens.\r
-            elif StartPos == self.CurrentOffsetWithinLine and TempChar in SEPERATOR_TUPLE:\r
-                self.__GetOneChar()\r
+            if not str(TempChar).isspace() and TempChar not in SEPARATORS:\r
+                self._GetOneChar()\r
+            # if we happen to meet a separator as the first char, we must proceed to get it.\r
+            # That is, we get a token that is a separator char. normally it is the boundary of other tokens.\r
+            elif StartPos == self.CurrentOffsetWithinLine and TempChar in SEPARATORS:\r
+                self._GetOneChar()\r
                 break\r
             else:\r
                 break\r
@@ -1007,65 +1065,60 @@ class FdfParser:
         EndPos = self.CurrentOffsetWithinLine\r
         if self.CurrentLineNumber != StartLine:\r
             EndPos = len(self.Profile.FileLinesList[StartLine-1])\r
-        self.__Token = self.Profile.FileLinesList[StartLine-1][StartPos : EndPos]\r
+        self._Token = self.Profile.FileLinesList[StartLine-1][StartPos: EndPos]\r
+        if self._Token.lower() in {TAB_IF, TAB_END_IF, TAB_ELSE_IF, TAB_ELSE, TAB_IF_DEF, TAB_IF_N_DEF, TAB_ERROR, TAB_INCLUDE}:\r
+            self._Token = self._Token.lower()\r
         if StartPos != self.CurrentOffsetWithinLine:\r
             return True\r
         else:\r
             return False\r
 \r
-    def __GetNextOp(self):\r
-        # Skip leading spaces, if exist.\r
-        self.__SkipWhiteSpace()\r
-        if self.__EndOfFile():\r
-            return False\r
-        # Record the token start position, the position of the first non-space char.\r
-        StartPos = self.CurrentOffsetWithinLine\r
-        while not self.__EndOfLine():\r
-            TempChar = self.__CurrentChar()\r
-            # Try to find the end char that is not a space\r
-            if not str(TempChar).isspace():\r
-                self.__GetOneChar()\r
-            else:\r
-                break\r
-        else:\r
-            return False\r
-\r
-        if StartPos != self.CurrentOffsetWithinLine:\r
-            self.__Token = self.__CurrentLine()[StartPos : self.CurrentOffsetWithinLine]\r
-            return True\r
-        else:\r
-            return False\r
-    ## __GetNextGuid() method\r
+    ## _GetNextGuid() method\r
     #\r
-    #   Get next token unit before a seperator\r
-    #   If found, the GUID string is put into self.__Token\r
+    #   Get next token unit before a separator\r
+    #   If found, the GUID string is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a registry format GUID, file buffer pointer moved forward\r
     #   @retval False       Not able to find a registry format GUID, file buffer pointer not changed\r
     #\r
-    def __GetNextGuid(self):\r
-\r
-        if not self.__GetNextToken():\r
+    def _GetNextGuid(self):\r
+        if not self._GetNextToken():\r
             return False\r
-        p = re.compile('[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}')\r
-        if p.match(self.__Token) != None:\r
+        if GlobalData.gGuidPattern.match(self._Token) is not None:\r
             return True\r
         else:\r
-            self.__UndoToken()\r
+            self._UndoToken()\r
             return False\r
 \r
-    ## __UndoToken() method\r
+    @staticmethod\r
+    def _Verify(Name, Value, Scope):\r
+        # value verification only applies to numeric values.\r
+        if Scope not in TAB_PCD_NUMERIC_TYPES:\r
+            return\r
+\r
+        ValueNumber = 0\r
+        try:\r
+            ValueNumber = int(Value, 0)\r
+        except:\r
+            EdkLogger.error("FdfParser", FORMAT_INVALID, "The value is not valid dec or hex number for %s." % Name)\r
+        if ValueNumber < 0:\r
+            EdkLogger.error("FdfParser", FORMAT_INVALID, "The value can't be set to negative value for %s." % Name)\r
+        if ValueNumber > MAX_VAL_TYPE[Scope]:\r
+            EdkLogger.error("FdfParser", FORMAT_INVALID, "Too large value for %s." % Name)\r
+        return True\r
+\r
+    ## _UndoToken() method\r
     #\r
     #   Go back one token unit in file buffer\r
     #\r
     #   @param  self        The object pointer\r
     #\r
-    def __UndoToken(self):\r
-        self.__UndoOneChar()\r
-        while self.__CurrentChar().isspace():\r
-            if not self.__UndoOneChar():\r
-                self.__GetOneChar()\r
+    def _UndoToken(self):\r
+        self._UndoOneChar()\r
+        while self._CurrentChar().isspace():\r
+            if not self._UndoOneChar():\r
+                self._GetOneChar()\r
                 return\r
 \r
 \r
@@ -1073,146 +1126,110 @@ class FdfParser:
         CurrentLine = self.CurrentLineNumber\r
         while CurrentLine == self.CurrentLineNumber:\r
 \r
-            TempChar = self.__CurrentChar()\r
-            # Try to find the end char that is not a space and not in seperator tuple.\r
+            TempChar = self._CurrentChar()\r
+            # Try to find the end char that is not a space and not in separator tuple.\r
             # That is, when we got a space or any char in the tuple, we got the end of token.\r
-            if not str(TempChar).isspace() and not TempChar in SEPERATOR_TUPLE:\r
-                if not self.__UndoOneChar():\r
+            if not str(TempChar).isspace() and not TempChar in SEPARATORS:\r
+                if not self._UndoOneChar():\r
                     return\r
-            # if we happen to meet a seperator as the first char, we must proceed to get it.\r
-            # That is, we get a token that is a seperator char. nomally it is the boundary of other tokens.\r
-            elif StartPos == self.CurrentOffsetWithinLine and TempChar in SEPERATOR_TUPLE:\r
+            # if we happen to meet a separator as the first char, we must proceed to get it.\r
+            # That is, we get a token that is a separator char. normally it is the boundary of other tokens.\r
+            elif StartPos == self.CurrentOffsetWithinLine and TempChar in SEPARATORS:\r
                 return\r
             else:\r
                 break\r
 \r
-        self.__GetOneChar()\r
-\r
-    ## __HexDigit() method\r
-    #\r
-    #   Whether char input is a Hex data bit\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @param  TempChar    The char to test\r
-    #   @retval True        The char is a Hex data bit\r
-    #   @retval False       The char is NOT a Hex data bit\r
-    #\r
-    def __HexDigit(self, TempChar):\r
-        if (TempChar >= 'a' and TempChar <= 'f') or (TempChar >= 'A' and TempChar <= 'F') \\r
-                or (TempChar >= '0' and TempChar <= '9'):\r
-                    return True\r
-        else:\r
-            return False\r
+        self._GetOneChar()\r
 \r
-    def __IsHex(self, HexStr):\r
-        if not HexStr.upper().startswith("0X"):\r
-            return False\r
-        if len(self.__Token) <= 2:\r
-            return False\r
-        charList = [c for c in HexStr[2 : ] if not self.__HexDigit( c)]\r
-        if len(charList) == 0:\r
-            return True\r
-        else:\r
-            return False\r
-    ## __GetNextHexNumber() method\r
+    ## _GetNextHexNumber() method\r
     #\r
-    #   Get next HEX data before a seperator\r
-    #   If found, the HEX data is put into self.__Token\r
+    #   Get next HEX data before a separator\r
+    #   If found, the HEX data is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a HEX data, file buffer pointer moved forward\r
     #   @retval False       Not able to find a HEX data, file buffer pointer not changed\r
     #\r
-    def __GetNextHexNumber(self):\r
-        if not self.__GetNextToken():\r
+    def _GetNextHexNumber(self):\r
+        if not self._GetNextToken():\r
             return False\r
-        if self.__IsHex(self.__Token):\r
+        if GlobalData.gHexPatternAll.match(self._Token):\r
             return True\r
         else:\r
-            self.__UndoToken()\r
+            self._UndoToken()\r
             return False\r
 \r
-    ## __GetNextDecimalNumber() method\r
+    ## _GetNextDecimalNumber() method\r
     #\r
-    #   Get next decimal data before a seperator\r
-    #   If found, the decimal data is put into self.__Token\r
+    #   Get next decimal data before a separator\r
+    #   If found, the decimal data is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a decimal data, file buffer pointer moved forward\r
     #   @retval False       Not able to find a decimal data, file buffer pointer not changed\r
     #\r
-    def __GetNextDecimalNumber(self):\r
-        if not self.__GetNextToken():\r
+    def _GetNextDecimalNumber(self):\r
+        if not self._GetNextToken():\r
             return False\r
-        if self.__Token.isdigit():\r
+        if self._Token.isdigit():\r
             return True\r
         else:\r
-            self.__UndoToken()\r
+            self._UndoToken()\r
             return False\r
 \r
-    ## __GetNextPcdName() method\r
-    #\r
-    #   Get next PCD token space C name and PCD C name pair before a seperator\r
-    #   If found, the decimal data is put into self.__Token\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @retval Tuple       PCD C name and PCD token space C name pair\r
-    #\r
-    def __GetNextPcdName(self):\r
-        if not self.__GetNextWord():\r
-            raise Warning("expected format of <PcdTokenSpaceCName>.<PcdCName>", self.FileName, self.CurrentLineNumber)\r
-        pcdTokenSpaceCName = self.__Token\r
+    def _GetNextPcdSettings(self):\r
+        if not self._GetNextWord():\r
+            raise Warning.Expected("<PcdTokenSpaceCName>", self.FileName, self.CurrentLineNumber)\r
+        pcdTokenSpaceCName = self._Token\r
+\r
+        if not self._IsToken(TAB_SPLIT):\r
+            raise Warning.Expected(".", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "."):\r
-            raise Warning("expected format of <PcdTokenSpaceCName>.<PcdCName>", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextWord():\r
+            raise Warning.Expected("<PcdCName>", self.FileName, self.CurrentLineNumber)\r
+        pcdCName = self._Token\r
 \r
-        if not self.__GetNextWord():\r
-            raise Warning("expected format of <PcdTokenSpaceCName>.<PcdCName>", self.FileName, self.CurrentLineNumber)\r
-        pcdCName = self.__Token\r
+        Fields = []\r
+        while self._IsToken(TAB_SPLIT):\r
+            if not self._GetNextPcdWord():\r
+                raise Warning.Expected("Pcd Fields", self.FileName, self.CurrentLineNumber)\r
+            Fields.append(self._Token)\r
 \r
-        return (pcdCName, pcdTokenSpaceCName)\r
+        return (pcdCName, pcdTokenSpaceCName,TAB_SPLIT.join(Fields))\r
 \r
-    ## __GetStringData() method\r
+    ## _GetStringData() method\r
     #\r
     #   Get string contents quoted in ""\r
-    #   If found, the decimal data is put into self.__Token\r
+    #   If found, the decimal data is put into self._Token\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval True        Successfully find a string data, file buffer pointer moved forward\r
     #   @retval False       Not able to find a string data, file buffer pointer not changed\r
     #\r
-    def __GetStringData(self):\r
-        if self.__Token.startswith("\"") or self.__Token.startswith("L\""):\r
-            self.__UndoToken()\r
-            self.__SkipToToken("\"")\r
-            currentLineNumber = self.CurrentLineNumber\r
-\r
-            if not self.__SkipToToken("\""):\r
-                raise Warning("Missing Quote \" for String", self.FileName, self.CurrentLineNumber)\r
-            if currentLineNumber != self.CurrentLineNumber:\r
-                raise Warning("Missing Quote \" for String", self.FileName, self.CurrentLineNumber)\r
-            self.__Token = self.__SkippedChars.rstrip('\"')\r
-            return True\r
-\r
-        elif self.__Token.startswith("\'") or self.__Token.startswith("L\'"):\r
-            self.__UndoToken()\r
-            self.__SkipToToken("\'")\r
-            currentLineNumber = self.CurrentLineNumber\r
-\r
-            if not self.__SkipToToken("\'"):\r
-                raise Warning("Missing Quote \' for String", self.FileName, self.CurrentLineNumber)\r
-            if currentLineNumber != self.CurrentLineNumber:\r
-                raise Warning("Missing Quote \' for String", self.FileName, self.CurrentLineNumber)\r
-            self.__Token = self.__SkippedChars.rstrip('\'')\r
-            return True\r
-\r
+    def _GetStringData(self):\r
+        QuoteToUse = None\r
+        if self._Token.startswith(T_CHAR_DOUBLE_QUOTE) or self._Token.startswith("L\""):\r
+            QuoteToUse = T_CHAR_DOUBLE_QUOTE\r
+        elif self._Token.startswith(T_CHAR_SINGLE_QUOTE) or self._Token.startswith("L\'"):\r
+            QuoteToUse = T_CHAR_SINGLE_QUOTE\r
         else:\r
             return False\r
 \r
-    ## __SkipToToken() method\r
+        self._UndoToken()\r
+        self._SkipToToken(QuoteToUse)\r
+        currentLineNumber = self.CurrentLineNumber\r
+\r
+        if not self._SkipToToken(QuoteToUse):\r
+            raise Warning(QuoteToUse, self.FileName, self.CurrentLineNumber)\r
+        if currentLineNumber != self.CurrentLineNumber:\r
+            raise Warning(QuoteToUse, self.FileName, self.CurrentLineNumber)\r
+        self._Token = self._SkippedChars.rstrip(QuoteToUse)\r
+        return True\r
+\r
+    ## _SkipToToken() method\r
     #\r
     #   Search forward in file buffer for the string\r
-    #   The skipped chars are put into self.__SkippedChars\r
+    #   The skipped chars are put into self._SkippedChars\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  String      The string to search\r
@@ -1220,25 +1237,25 @@ class FdfParser:
     #   @retval True        Successfully find the string, file buffer pointer moved forward\r
     #   @retval False       Not able to find the string, file buffer pointer not changed\r
     #\r
-    def __SkipToToken(self, String, IgnoreCase = False):\r
+    def _SkipToToken(self, String, IgnoreCase = False):\r
         StartPos = self.GetFileBufferPos()\r
 \r
-        self.__SkippedChars = ""\r
-        while not self.__EndOfFile():\r
+        self._SkippedChars = ""\r
+        while not self._EndOfFile():\r
             index = -1\r
             if IgnoreCase:\r
-                index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].upper().find(String.upper())\r
+                index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].upper().find(String.upper())\r
             else:\r
-                index = self.__CurrentLine()[self.CurrentOffsetWithinLine : ].find(String)\r
+                index = self._CurrentLine()[self.CurrentOffsetWithinLine: ].find(String)\r
             if index == 0:\r
                 self.CurrentOffsetWithinLine += len(String)\r
-                self.__SkippedChars += String\r
+                self._SkippedChars += String\r
                 return True\r
-            self.__SkippedChars += str(self.__CurrentChar())\r
-            self.__GetOneChar()\r
+            self._SkippedChars += str(self._CurrentChar())\r
+            self._GetOneChar()\r
 \r
-        self.SetFileBufferPos( StartPos)\r
-        self.__SkippedChars = ""\r
+        self.SetFileBufferPos(StartPos)\r
+        self._SkippedChars = ""\r
         return False\r
 \r
     ## GetFileBufferPos() method\r
@@ -1269,18 +1286,18 @@ class FdfParser:
     #   @param  self        The object pointer\r
     #\r
     def Preprocess(self):\r
-        self.__StringToList()\r
+        self._StringToList()\r
         self.PreprocessFile()\r
         self.PreprocessIncludeFile()\r
-        self.__StringToList()\r
+        self._StringToList()\r
         self.PreprocessFile()\r
         self.PreprocessConditionalStatement()\r
-        self.__StringToList()\r
-        for Pos in self.__WipeOffArea:\r
-            self.__ReplaceFragment(Pos[0], Pos[1])\r
+        self._StringToList()\r
+        for Pos in self._WipeOffArea:\r
+            self._ReplaceFragment(Pos[0], Pos[1])\r
         self.Profile.FileLinesList = ["".join(list) for list in self.Profile.FileLinesList]\r
 \r
-        while self.__GetDefines():\r
+        while self._GetDefines():\r
             pass\r
 \r
     ## ParseFile() method\r
@@ -1291,36 +1308,44 @@ class FdfParser:
     #   @param  self        The object pointer\r
     #\r
     def ParseFile(self):\r
-\r
         try:\r
             self.Preprocess()\r
-            while self.__GetFd():\r
-                pass\r
-\r
-            while self.__GetFv():\r
+            self._GetError()\r
+            #\r
+            # Keep processing sections of the FDF until no new sections or a syntax error is found\r
+            #\r
+            while self._GetFd() or self._GetFv() or self._GetFmp() or self._GetCapsule() or self._GetRule() or self._GetOptionRom():\r
                 pass\r
 \r
-            while self.__GetCapsule():\r
-                pass\r
+        except Warning as X:\r
+            self._UndoToken()\r
+            #'\n\tGot Token: \"%s\" from File %s\n' % (self._Token, FileLineTuple[0]) + \\r
+            # At this point, the closest parent would be the included file itself\r
+            Profile = GetParentAtLine(X.OriginalLineNumber)\r
+            if Profile is not None:\r
+                X.Message += ' near line %d, column %d: %s' \\r
+                % (X.LineNumber, 0, Profile.FileLinesList[X.LineNumber-1])\r
+            else:\r
+                FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
+                X.Message += ' near line %d, column %d: %s' \\r
+                % (FileLineTuple[1], self.CurrentOffsetWithinLine + 1, self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:].rstrip(TAB_LINE_BREAK).rstrip(T_CHAR_CR))\r
+            raise\r
 \r
-            while self.__GetVtf():\r
-                pass\r
+    ## SectionParser() method\r
+    #\r
+    #   Parse the file section info\r
+    #   Exception will be raised if syntax error found\r
+    #\r
+    #   @param  self          The object pointer\r
+    #   @param  section       The section string\r
 \r
-            while self.__GetRule():\r
-                pass\r
-            \r
-            while self.__GetOptionRom():\r
-                pass\r
+    def SectionParser(self, section):\r
+        S = section.upper()\r
+        if not S.startswith("[DEFINES") and not S.startswith("[FD.") and not S.startswith("[FV.") and not S.startswith("[CAPSULE.") \\r
+             and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM.") and not S.startswith('[FMPPAYLOAD.'):\r
+            raise Warning("Unknown section or section appear sequence error (The correct sequence should be [DEFINES], [FD.], [FV.], [Capsule.], [Rule.], [OptionRom.], [FMPPAYLOAD.])", self.FileName, self.CurrentLineNumber)\r
 \r
-        except Warning, X:\r
-            self.__UndoToken()\r
-            FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
-            #'\n\tGot Token: \"%s\" from File %s\n' % (self.__Token, FileLineTuple[0]) + \\r
-            X.Message += ' near line %d, column %d: %s' \\r
-                % (FileLineTuple[1], self.CurrentOffsetWithinLine + 1, self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :].rstrip('\n').rstrip('\r'))\r
-            raise\r
-\r
-    ## __GetDefines() method\r
+    ## _GetDefines() method\r
     #\r
     #   Get Defines section contents and store its data into AllMacrosList\r
     #\r
@@ -1328,47 +1353,55 @@ class FdfParser:
     #   @retval True        Successfully find a Defines\r
     #   @retval False       Not able to find a Defines\r
     #\r
-    def __GetDefines(self):\r
-\r
-        if not self.__GetNextToken():\r
+    def _GetDefines(self):\r
+        if not self._GetNextToken():\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[DEFINES"):\r
-            if not S.startswith("[FD.") and not S.startswith("[FV.") and not S.startswith("[CAPSULE.") \\r
-                and not S.startswith("[VTF.") and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
-                raise Warning("Unknown section or section appear sequence error (The correct sequence should be [DEFINES], [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[DEFINES"):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
             return False\r
 \r
-        self.__UndoToken()\r
-        if not self.__IsToken("[DEFINES", True):\r
+        self._UndoToken()\r
+        if not self._IsToken("[DEFINES", True):\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("expected [DEFINES", self.FileName, self.CurrentLineNumber)\r
+            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
+            raise Warning.Expected("[DEFINES", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        while self.__GetNextWord():\r
+        while self._GetNextWord():\r
             # handle the SET statement\r
-            if self.__Token == 'SET':\r
-                self.__UndoToken()\r
-                self.__GetSetStatement(None)\r
+            if self._Token == 'SET':\r
+                self._UndoToken()\r
+                self._GetSetStatement(None)\r
                 continue\r
-            \r
-            Macro = self.__Token\r
-            \r
-            if not self.__IsToken("="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken() or self.__Token.startswith('['):\r
-                raise Warning("expected MACRO value", self.FileName, self.CurrentLineNumber)\r
-            Value = self.__Token\r
+\r
+            Macro = self._Token\r
+\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken() or self._Token.startswith(TAB_SECTION_START):\r
+                raise Warning.Expected("MACRO value", self.FileName, self.CurrentLineNumber)\r
+            Value = self._Token\r
 \r
         return False\r
 \r
-    ## __GetFd() method\r
+    ##_GetError() method\r
+    def _GetError(self):\r
+        #save the Current information\r
+        CurrentLine = self.CurrentLineNumber\r
+        CurrentOffset = self.CurrentOffsetWithinLine\r
+        while self._GetNextToken():\r
+            if self._Token == TAB_ERROR:\r
+                EdkLogger.error('FdfParser', ERROR_STATEMENT, self._CurrentLine().replace(TAB_ERROR, '', 1), File=self.FileName, Line=self.CurrentLineNumber)\r
+        self.CurrentLineNumber = CurrentLine\r
+        self.CurrentOffsetWithinLine = CurrentOffset\r
+\r
+    ## _GetFd() method\r
     #\r
     #   Get FD section contents and store its data into FD dictionary of self.Profile\r
     #\r
@@ -1376,27 +1409,26 @@ class FdfParser:
     #   @retval True        Successfully find a FD\r
     #   @retval False       Not able to find a FD\r
     #\r
-    def __GetFd(self):\r
-\r
-        if not self.__GetNextToken():\r
+    def _GetFd(self):\r
+        if not self._GetNextToken():\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[FD."):\r
-            if not S.startswith("[FV.") and not S.startswith("[CAPSULE.") \\r
-                and not S.startswith("[VTF.") and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[FD."):\r
+            if not S.startswith("[FV.") and not S.startswith('[FMPPAYLOAD.') and not S.startswith("[CAPSULE.") \\r
+                and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
                 raise Warning("Unknown section", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
+            self._UndoToken()\r
             return False\r
 \r
-        self.__UndoToken()\r
-        if not self.__IsToken("[FD.", True):\r
+        self._UndoToken()\r
+        if not self._IsToken("[FD.", True):\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("expected [FD.]", self.FileName, self.CurrentLineNumber)\r
+            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
+            raise Warning.Expected("[FD.]", self.FileName, self.CurrentLineNumber)\r
 \r
-        FdName = self.__GetUiName()\r
+        FdName = self._GetUiName()\r
         if FdName == "":\r
             if len (self.Profile.FdDict) == 0:\r
                 FdName = GenFdsGlobalVariable.PlatformName\r
@@ -1404,62 +1436,62 @@ class FdfParser:
                     FdName = GlobalData.gActivePlatform.PlatformName\r
                 self.Profile.FdNameNotSet = True\r
             else:\r
-                raise Warning("expected FdName in [FD.] section", self.FileName, self.CurrentLineNumber)\r
+                raise Warning.Expected("FdName in [FD.] section", self.FileName, self.CurrentLineNumber)\r
         self.CurrentFdName = FdName.upper()\r
-        \r
+\r
         if self.CurrentFdName in self.Profile.FdDict:\r
             raise Warning("Unexpected the same FD name", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        FdObj = Fd.FD()\r
+        FdObj = FD()\r
         FdObj.FdUiName = self.CurrentFdName\r
         self.Profile.FdDict[self.CurrentFdName] = FdObj\r
 \r
         if len (self.Profile.FdDict) > 1 and self.Profile.FdNameNotSet:\r
-            raise Warning("expected all FDs have their name", self.FileName, self.CurrentLineNumber)\r
+            raise Warning.Expected("all FDs have their name", self.FileName, self.CurrentLineNumber)\r
 \r
-        Status = self.__GetCreateFile(FdObj)\r
+        Status = self._GetCreateFile(FdObj)\r
         if not Status:\r
             raise Warning("FD name error", self.FileName, self.CurrentLineNumber)\r
 \r
-        while self.__GetTokenStatements(FdObj):\r
+        while self._GetTokenStatements(FdObj):\r
             pass\r
         for Attr in ("BaseAddress", "Size", "ErasePolarity"):\r
-            if getattr(FdObj, Attr) == None:\r
-                self.__GetNextToken()\r
+            if getattr(FdObj, Attr) is None:\r
+                self._GetNextToken()\r
                 raise Warning("Keyword %s missing" % Attr, self.FileName, self.CurrentLineNumber)\r
 \r
         if not FdObj.BlockSizeList:\r
             FdObj.BlockSizeList.append((1, FdObj.Size, None))\r
 \r
-        self.__GetDefineStatements(FdObj)\r
+        self._GetDefineStatements(FdObj)\r
 \r
-        self.__GetSetStatements(FdObj)\r
+        self._GetSetStatements(FdObj)\r
 \r
-        if not self.__GetRegionLayout(FdObj):\r
-            raise Warning("expected region layout", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetRegionLayout(FdObj):\r
+            raise Warning.Expected("region layout", self.FileName, self.CurrentLineNumber)\r
 \r
-        while self.__GetRegionLayout(FdObj):\r
+        while self._GetRegionLayout(FdObj):\r
             pass\r
         return True\r
 \r
-    ## __GetUiName() method\r
+    ## _GetUiName() method\r
     #\r
     #   Return the UI name of a section\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval FdName      UI name\r
     #\r
-    def __GetUiName(self):\r
+    def _GetUiName(self):\r
         Name = ""\r
-        if self.__GetNextWord():\r
-            Name = self.__Token\r
+        if self._GetNextWord():\r
+            Name = self._Token\r
 \r
         return Name\r
 \r
-    ## __GetCreateFile() method\r
+    ## _GetCreateFile() method\r
     #\r
     #   Return the output file name of object\r
     #\r
@@ -1467,78 +1499,82 @@ class FdfParser:
     #   @param  Obj         object whose data will be stored in file\r
     #   @retval FdName      UI name\r
     #\r
-    def __GetCreateFile(self, Obj):\r
-\r
-        if self.__IsKeyword( "CREATE_FILE"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+    def _GetCreateFile(self, Obj):\r
+        if self._IsKeyword("CREATE_FILE"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected file name", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("file name", self.FileName, self.CurrentLineNumber)\r
 \r
-            FileName = self.__Token\r
+            FileName = self._Token\r
             Obj.CreateFileName = FileName\r
 \r
         return True\r
 \r
-    ## __GetTokenStatements() method\r
+    def SetPcdLocalation(self,pcdpair):\r
+        self.Profile.PcdLocalDict[pcdpair] = (self.Profile.FileName,self.CurrentLineNumber)\r
+\r
+    ## _GetTokenStatements() method\r
     #\r
     #   Get token statements\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom token statement is got\r
     #\r
-    def __GetTokenStatements(self, Obj):\r
-        if self.__IsKeyword( "BaseAddress"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-    \r
-            if not self.__GetNextHexNumber():\r
-                raise Warning("expected Hex base address", self.FileName, self.CurrentLineNumber)\r
-    \r
-            Obj.BaseAddress = self.__Token\r
-    \r
-            if self.__IsToken( "|"):\r
-                pcdPair = self.__GetNextPcdName()\r
+    def _GetTokenStatements(self, Obj):\r
+        if self._IsKeyword("BaseAddress"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+            if not self._GetNextHexNumber():\r
+                raise Warning.Expected("Hex base address", self.FileName, self.CurrentLineNumber)\r
+\r
+            Obj.BaseAddress = self._Token\r
+\r
+            if self._IsToken(TAB_VALUE_SPLIT):\r
+                pcdPair = self._GetNextPcdSettings()\r
                 Obj.BaseAddressPcd = pcdPair\r
                 self.Profile.PcdDict[pcdPair] = Obj.BaseAddress\r
+                self.SetPcdLocalation(pcdPair)\r
                 FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
                 self.Profile.PcdFileLineDict[pcdPair] = FileLineTuple\r
             return True\r
 \r
-        if self.__IsKeyword( "Size"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-    \r
-            if not self.__GetNextHexNumber():\r
-                raise Warning("expected Hex size", self.FileName, self.CurrentLineNumber)\r
+        if self._IsKeyword("Size"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+            if not self._GetNextHexNumber():\r
+                raise Warning.Expected("Hex size", self.FileName, self.CurrentLineNumber)\r
 \r
-            Size = self.__Token\r
-            if self.__IsToken( "|"):\r
-                pcdPair = self.__GetNextPcdName()\r
+            Size = self._Token\r
+            if self._IsToken(TAB_VALUE_SPLIT):\r
+                pcdPair = self._GetNextPcdSettings()\r
                 Obj.SizePcd = pcdPair\r
                 self.Profile.PcdDict[pcdPair] = Size\r
+                self.SetPcdLocalation(pcdPair)\r
                 FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
                 self.Profile.PcdFileLineDict[pcdPair] = FileLineTuple\r
-            Obj.Size = long(Size, 0)\r
+            Obj.Size = int(Size, 0)\r
             return True\r
 \r
-        if self.__IsKeyword( "ErasePolarity"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-    \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Erase Polarity", self.FileName, self.CurrentLineNumber)\r
-    \r
-            if self.__Token != "1" and self.__Token != "0":\r
-                raise Warning("expected 1 or 0 Erase Polarity", self.FileName, self.CurrentLineNumber)\r
-    \r
-            Obj.ErasePolarity = self.__Token\r
+        if self._IsKeyword("ErasePolarity"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Erase Polarity", self.FileName, self.CurrentLineNumber)\r
+\r
+            if not self._Token in {"1", "0"}:\r
+                raise Warning.Expected("1 or 0 Erase Polarity", self.FileName, self.CurrentLineNumber)\r
+\r
+            Obj.ErasePolarity = self._Token\r
             return True\r
 \r
-        return self.__GetBlockStatements(Obj)\r
+        return self._GetBlockStatements(Obj)\r
 \r
-    ## __GetAddressStatements() method\r
+    ## _GetAddressStatements() method\r
     #\r
     #   Get address statements\r
     #\r
@@ -1547,46 +1583,45 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetAddressStatements(self, Obj):\r
-\r
-        if self.__IsKeyword("BsBaseAddress"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+    def _GetAddressStatements(self, Obj):\r
+        if self._IsKeyword("BsBaseAddress"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextDecimalNumber() and not self.__GetNextHexNumber():\r
-                raise Warning("expected address", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextDecimalNumber() and not self._GetNextHexNumber():\r
+                raise Warning.Expected("address", self.FileName, self.CurrentLineNumber)\r
 \r
-            BsAddress = long(self.__Token, 0)\r
+            BsAddress = int(self._Token, 0)\r
             Obj.BsBaseAddress = BsAddress\r
 \r
-        if self.__IsKeyword("RtBaseAddress"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if self._IsKeyword("RtBaseAddress"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextDecimalNumber() and not self.__GetNextHexNumber():\r
-                raise Warning("expected address", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextDecimalNumber() and not self._GetNextHexNumber():\r
+                raise Warning.Expected("address", self.FileName, self.CurrentLineNumber)\r
 \r
-            RtAddress = long(self.__Token, 0)\r
+            RtAddress = int(self._Token, 0)\r
             Obj.RtBaseAddress = RtAddress\r
 \r
-    ## __GetBlockStatements() method\r
+    ## _GetBlockStatements() method\r
     #\r
     #   Get block statements\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom block statement is got\r
     #\r
-    def __GetBlockStatements(self, Obj):\r
+    def _GetBlockStatements(self, Obj):\r
         IsBlock = False\r
-        while self.__GetBlockStatement(Obj):\r
+        while self._GetBlockStatement(Obj):\r
             IsBlock = True\r
-        \r
+\r
             Item = Obj.BlockSizeList[-1]\r
-            if Item[0] == None or Item[1] == None:\r
-                raise Warning("expected block statement", self.FileName, self.CurrentLineNumber)\r
+            if Item[0] is None or Item[1] is None:\r
+                raise Warning.Expected("block statement", self.FileName, self.CurrentLineNumber)\r
         return IsBlock\r
 \r
-    ## __GetBlockStatement() method\r
+    ## _GetBlockStatement() method\r
     #\r
     #   Get block statement\r
     #\r
@@ -1595,40 +1630,41 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetBlockStatement(self, Obj):\r
-        if not self.__IsKeyword( "BlockSize"):\r
+    def _GetBlockStatement(self, Obj):\r
+        if not self._IsKeyword("BlockSize"):\r
             return False\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextHexNumber() and not self.__GetNextDecimalNumber():\r
-            raise Warning("expected Hex or Integer block size", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextHexNumber() and not self._GetNextDecimalNumber():\r
+            raise Warning.Expected("Hex or Integer block size", self.FileName, self.CurrentLineNumber)\r
 \r
-        BlockSize = self.__Token\r
+        BlockSize = self._Token\r
         BlockSizePcd = None\r
-        if self.__IsToken( "|"):\r
-            PcdPair = self.__GetNextPcdName()\r
+        if self._IsToken(TAB_VALUE_SPLIT):\r
+            PcdPair = self._GetNextPcdSettings()\r
             BlockSizePcd = PcdPair\r
             self.Profile.PcdDict[PcdPair] = BlockSize\r
+            self.SetPcdLocalation(PcdPair)\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             self.Profile.PcdFileLineDict[PcdPair] = FileLineTuple\r
-        BlockSize = long(BlockSize, 0)\r
+        BlockSize = int(BlockSize, 0)\r
 \r
         BlockNumber = None\r
-        if self.__IsKeyword( "NumBlocks"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if self._IsKeyword("NumBlocks"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextDecimalNumber() and not self.__GetNextHexNumber():\r
-                raise Warning("expected block numbers", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextDecimalNumber() and not self._GetNextHexNumber():\r
+                raise Warning.Expected("block numbers", self.FileName, self.CurrentLineNumber)\r
 \r
-            BlockNumber = long(self.__Token, 0)\r
+            BlockNumber = int(self._Token, 0)\r
 \r
         Obj.BlockSizeList.append((BlockSize, BlockNumber, BlockSizePcd))\r
         return True\r
 \r
-    ## __GetDefineStatements() method\r
+    ## _GetDefineStatements() method\r
     #\r
     #   Get define statements\r
     #\r
@@ -1637,11 +1673,11 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetDefineStatements(self, Obj):\r
-        while self.__GetDefineStatement( Obj):\r
+    def _GetDefineStatements(self, Obj):\r
+        while self._GetDefineStatement(Obj):\r
             pass\r
 \r
-    ## __GetDefineStatement() method\r
+    ## _GetDefineStatement() method\r
     #\r
     #   Get define statement\r
     #\r
@@ -1650,24 +1686,24 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetDefineStatement(self, Obj):\r
-        if self.__IsKeyword("DEFINE"):\r
-            self.__GetNextToken()\r
-            Macro = self.__Token\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+    def _GetDefineStatement(self, Obj):\r
+        if self._IsKeyword(TAB_DEFINE):\r
+            self._GetNextToken()\r
+            Macro = self._Token\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected value", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("value", self.FileName, self.CurrentLineNumber)\r
 \r
-            Value = self.__Token\r
+            Value = self._Token\r
             Macro = '$(' + Macro + ')'\r
             Obj.DefineVarDict[Macro] = Value\r
             return True\r
 \r
         return False\r
 \r
-    ## __GetSetStatements() method\r
+    ## _GetSetStatements() method\r
     #\r
     #   Get set statements\r
     #\r
@@ -1676,11 +1712,11 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetSetStatements(self, Obj):\r
-        while self.__GetSetStatement(Obj):\r
+    def _GetSetStatements(self, Obj):\r
+        while self._GetSetStatement(Obj):\r
             pass\r
 \r
-    ## __GetSetStatement() method\r
+    ## _GetSetStatement() method\r
     #\r
     #   Get set statement\r
     #\r
@@ -1689,38 +1725,39 @@ class FdfParser:
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetSetStatement(self, Obj):\r
-        if self.__IsKeyword("SET"):\r
-            PcdPair = self.__GetNextPcdName()\r
+    def _GetSetStatement(self, Obj):\r
+        if self._IsKeyword("SET"):\r
+            PcdPair = self._GetNextPcdSettings()\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            Value = self.__GetExpression()\r
-            Value = self.__EvaluateConditional(Value, self.CurrentLineNumber, 'eval', True)\r
+            Value = self._GetExpression()\r
+            Value = self._EvaluateConditional(Value, self.CurrentLineNumber, 'eval', True)\r
 \r
             if Obj:\r
                 Obj.SetVarDict[PcdPair] = Value\r
             self.Profile.PcdDict[PcdPair] = Value\r
+            self.SetPcdLocalation(PcdPair)\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             self.Profile.PcdFileLineDict[PcdPair] = FileLineTuple\r
             return True\r
 \r
         return False\r
 \r
-    ## __CalcRegionExpr(self)\r
+    ## _CalcRegionExpr(self)\r
     #\r
     #   Calculate expression for offset or size of a region\r
     #\r
     #   @return: None if invalid expression\r
     #            Calculated number if successfully\r
     #\r
-    def __CalcRegionExpr(self):\r
+    def _CalcRegionExpr(self):\r
         StartPos = self.GetFileBufferPos()\r
         Expr = ''\r
         PairCount = 0\r
-        while not self.__EndOfFile():\r
-            CurCh = self.__CurrentChar()\r
+        while not self._EndOfFile():\r
+            CurCh = self._CurrentChar()\r
             if CurCh == '(':\r
                 PairCount += 1\r
             elif CurCh == ')':\r
@@ -1729,284 +1766,292 @@ class FdfParser:
             if CurCh in '|\r\n' and PairCount == 0:\r
                 break\r
             Expr += CurCh\r
-            self.__GetOneChar()\r
+            self._GetOneChar()\r
         try:\r
-            return long(\r
+            return int(\r
                 ValueExpression(Expr,\r
-                                self.__CollectMacroPcd()\r
-                                )(True),0)\r
+                                self._CollectMacroPcd()\r
+                                )(True), 0)\r
         except Exception:\r
             self.SetFileBufferPos(StartPos)\r
             return None\r
 \r
-    ## __GetRegionLayout() method\r
+    ## _GetRegionLayout() method\r
     #\r
     #   Get region layout for FD\r
     #\r
     #   @param  self        The object pointer\r
-    #   @param  Fd          for whom region is got\r
+    #   @param  theFd       for whom region is got\r
     #   @retval True        Successfully find\r
     #   @retval False       Not able to find\r
     #\r
-    def __GetRegionLayout(self, Fd):\r
-        Offset = self.__CalcRegionExpr() \r
-        if Offset == None:\r
+    def _GetRegionLayout(self, theFd):\r
+        Offset = self._CalcRegionExpr()\r
+        if Offset is None:\r
             return False\r
 \r
-        RegionObj = Region.Region()\r
+        RegionObj = Region()\r
         RegionObj.Offset = Offset\r
-        Fd.RegionList.append(RegionObj)\r
+        theFd.RegionList.append(RegionObj)\r
 \r
-        if not self.__IsToken( "|"):\r
-            raise Warning("expected '|'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_VALUE_SPLIT):\r
+            raise Warning.Expected("'|'", self.FileName, self.CurrentLineNumber)\r
 \r
-        Size = self.__CalcRegionExpr()\r
-        if Size == None:\r
-            raise Warning("expected Region Size", self.FileName, self.CurrentLineNumber)\r
+        Size = self._CalcRegionExpr()\r
+        if Size is None:\r
+            raise Warning.Expected("Region Size", self.FileName, self.CurrentLineNumber)\r
         RegionObj.Size = Size\r
 \r
-        if not self.__GetNextWord():\r
+        if not self._GetNextWord():\r
             return True\r
 \r
-        if not self.__Token in ("SET", "FV", "FILE", "DATA", "CAPSULE"):\r
+        if not self._Token in {"SET", BINARY_FILE_TYPE_FV, "FILE", "DATA", "CAPSULE", "INF"}:\r
             #\r
             # If next token is a word which is not a valid FV type, it might be part of [PcdOffset[|PcdSize]]\r
             # Or it might be next region's offset described by an expression which starts with a PCD.\r
             #    PcdOffset[|PcdSize] or OffsetPcdExpression|Size\r
             #\r
-            self.__UndoToken()\r
-            IsRegionPcd = (RegionSizeGuidPattern.match(self.__CurrentLine()[self.CurrentOffsetWithinLine:]) or\r
-                           RegionOffsetPcdPattern.match(self.__CurrentLine()[self.CurrentOffsetWithinLine:]))\r
+            self._UndoToken()\r
+            IsRegionPcd = (RegionSizeGuidPattern.match(self._CurrentLine()[self.CurrentOffsetWithinLine:]) or\r
+                           RegionOffsetPcdPattern.match(self._CurrentLine()[self.CurrentOffsetWithinLine:]))\r
             if IsRegionPcd:\r
-                RegionObj.PcdOffset = self.__GetNextPcdName()\r
-                self.Profile.PcdDict[RegionObj.PcdOffset] = "0x%08X" % (RegionObj.Offset + long(Fd.BaseAddress, 0))\r
-                self.__PcdDict['%s.%s' % (RegionObj.PcdOffset[1], RegionObj.PcdOffset[0])] = "0x%x" % RegionObj.Offset\r
+                RegionObj.PcdOffset = self._GetNextPcdSettings()\r
+                self.Profile.PcdDict[RegionObj.PcdOffset] = "0x%08X" % (RegionObj.Offset + int(theFd.BaseAddress, 0))\r
+                self.SetPcdLocalation(RegionObj.PcdOffset)\r
+                self._PcdDict['%s.%s' % (RegionObj.PcdOffset[1], RegionObj.PcdOffset[0])] = "0x%x" % RegionObj.Offset\r
                 FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
                 self.Profile.PcdFileLineDict[RegionObj.PcdOffset] = FileLineTuple\r
-                if self.__IsToken( "|"):\r
-                    RegionObj.PcdSize = self.__GetNextPcdName()\r
+                if self._IsToken(TAB_VALUE_SPLIT):\r
+                    RegionObj.PcdSize = self._GetNextPcdSettings()\r
                     self.Profile.PcdDict[RegionObj.PcdSize] = "0x%08X" % RegionObj.Size\r
-                    self.__PcdDict['%s.%s' % (RegionObj.PcdSize[1], RegionObj.PcdSize[0])] = "0x%x" % RegionObj.Size\r
+                    self.SetPcdLocalation(RegionObj.PcdSize)\r
+                    self._PcdDict['%s.%s' % (RegionObj.PcdSize[1], RegionObj.PcdSize[0])] = "0x%x" % RegionObj.Size\r
                     FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
                     self.Profile.PcdFileLineDict[RegionObj.PcdSize] = FileLineTuple\r
 \r
-            if not self.__GetNextWord():\r
+            if not self._GetNextWord():\r
                 return True\r
 \r
-        if self.__Token == "SET":\r
-            self.__UndoToken()\r
-            self.__GetSetStatements( RegionObj)\r
-            if not self.__GetNextWord():\r
+        if self._Token == "SET":\r
+            self._UndoToken()\r
+            self._GetSetStatements(RegionObj)\r
+            if not self._GetNextWord():\r
                 return True\r
 \r
-        elif self.__Token == "FV":\r
-            self.__UndoToken()\r
-            self.__GetRegionFvType( RegionObj)\r
-\r
-        elif self.__Token == "CAPSULE":\r
-            self.__UndoToken()\r
-            self.__GetRegionCapType( RegionObj)\r
-\r
-        elif self.__Token == "FILE":\r
-            self.__UndoToken()\r
-            self.__GetRegionFileType( RegionObj)\r
+        elif self._Token == BINARY_FILE_TYPE_FV:\r
+            self._UndoToken()\r
+            self._GetRegionFvType(RegionObj)\r
+\r
+        elif self._Token == "CAPSULE":\r
+            self._UndoToken()\r
+            self._GetRegionCapType(RegionObj)\r
+\r
+        elif self._Token == "FILE":\r
+            self._UndoToken()\r
+            self._GetRegionFileType(RegionObj)\r
+\r
+        elif self._Token == "INF":\r
+            self._UndoToken()\r
+            RegionObj.RegionType = "INF"\r
+            while self._IsKeyword("INF"):\r
+                self._UndoToken()\r
+                ffsInf = self._ParseInfStatement()\r
+                if not ffsInf:\r
+                    break\r
+                RegionObj.RegionDataList.append(ffsInf)\r
 \r
-        elif self.__Token == "DATA":\r
-            self.__UndoToken()\r
-            self.__GetRegionDataType( RegionObj)\r
+        elif self._Token == "DATA":\r
+            self._UndoToken()\r
+            self._GetRegionDataType(RegionObj)\r
         else:\r
-            self.__UndoToken()\r
-            if self.__GetRegionLayout(Fd):\r
+            self._UndoToken()\r
+            if self._GetRegionLayout(theFd):\r
                 return True\r
             raise Warning("A valid region type was not found. "\r
-                          "Valid types are [SET, FV, CAPSULE, FILE, DATA]. This error occurred",\r
+                          "Valid types are [SET, FV, CAPSULE, FILE, DATA, INF]. This error occurred",\r
                           self.FileName, self.CurrentLineNumber)\r
 \r
         return True\r
 \r
-    ## __GetRegionFvType() method\r
+    ## _GetRegionFvType() method\r
     #\r
     #   Get region fv data for region\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  RegionObj   for whom region data is got\r
     #\r
-    def __GetRegionFvType(self, RegionObj):\r
-\r
-        if not self.__IsKeyword( "FV"):\r
-            raise Warning("expected Keyword 'FV'", self.FileName, self.CurrentLineNumber)\r
+    def _GetRegionFvType(self, RegionObj):\r
+        if not self._IsKeyword(BINARY_FILE_TYPE_FV):\r
+            raise Warning.Expected("'FV'", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected FV name", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("FV name", self.FileName, self.CurrentLineNumber)\r
 \r
-        RegionObj.RegionType = "FV"\r
-        RegionObj.RegionDataList.append(self.__Token)\r
+        RegionObj.RegionType = BINARY_FILE_TYPE_FV\r
+        RegionObj.RegionDataList.append((self._Token).upper())\r
 \r
-        while self.__IsKeyword( "FV"):\r
+        while self._IsKeyword(BINARY_FILE_TYPE_FV):\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FV name", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FV name", self.FileName, self.CurrentLineNumber)\r
 \r
-            RegionObj.RegionDataList.append(self.__Token)\r
+            RegionObj.RegionDataList.append((self._Token).upper())\r
 \r
-    ## __GetRegionCapType() method\r
+    ## _GetRegionCapType() method\r
     #\r
     #   Get region capsule data for region\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  RegionObj   for whom region data is got\r
     #\r
-    def __GetRegionCapType(self, RegionObj):\r
+    def _GetRegionCapType(self, RegionObj):\r
+        if not self._IsKeyword("CAPSULE"):\r
+            raise Warning.Expected("'CAPSULE'", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsKeyword("CAPSULE"):\r
-            raise Warning("expected Keyword 'CAPSULE'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected CAPSULE name", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("CAPSULE name", self.FileName, self.CurrentLineNumber)\r
 \r
         RegionObj.RegionType = "CAPSULE"\r
-        RegionObj.RegionDataList.append(self.__Token)\r
+        RegionObj.RegionDataList.append(self._Token)\r
 \r
-        while self.__IsKeyword("CAPSULE"):\r
+        while self._IsKeyword("CAPSULE"):\r
 \r
-            if not self.__IsToken("="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected CAPSULE name", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("CAPSULE name", self.FileName, self.CurrentLineNumber)\r
 \r
-            RegionObj.RegionDataList.append(self.__Token)\r
+            RegionObj.RegionDataList.append(self._Token)\r
 \r
-    ## __GetRegionFileType() method\r
+    ## _GetRegionFileType() method\r
     #\r
     #   Get region file data for region\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  RegionObj   for whom region data is got\r
     #\r
-    def __GetRegionFileType(self, RegionObj):\r
-\r
-        if not self.__IsKeyword( "FILE"):\r
-            raise Warning("expected Keyword 'FILE'", self.FileName, self.CurrentLineNumber)\r
+    def _GetRegionFileType(self, RegionObj):\r
+        if not self._IsKeyword("FILE"):\r
+            raise Warning.Expected("'FILE'", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected File name", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("File name", self.FileName, self.CurrentLineNumber)\r
 \r
         RegionObj.RegionType = "FILE"\r
-        RegionObj.RegionDataList.append( self.__Token)\r
+        RegionObj.RegionDataList.append(self._Token)\r
 \r
-        while self.__IsKeyword( "FILE"):\r
+        while self._IsKeyword("FILE"):\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FILE name", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FILE name", self.FileName, self.CurrentLineNumber)\r
 \r
-            RegionObj.RegionDataList.append(self.__Token)\r
+            RegionObj.RegionDataList.append(self._Token)\r
 \r
-    ## __GetRegionDataType() method\r
+    ## _GetRegionDataType() method\r
     #\r
     #   Get region array data for region\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  RegionObj   for whom region data is got\r
     #\r
-    def __GetRegionDataType(self, RegionObj):\r
-\r
-        if not self.__IsKeyword( "DATA"):\r
-            raise Warning("expected Region Data type", self.FileName, self.CurrentLineNumber)\r
+    def _GetRegionDataType(self, RegionObj):\r
+        if not self._IsKeyword("DATA"):\r
+            raise Warning.Expected("Region Data type", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsToken( "{"):\r
-            raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken("{"):\r
+            raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextHexNumber():\r
-            raise Warning("expected Hex byte", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextHexNumber():\r
+            raise Warning.Expected("Hex byte", self.FileName, self.CurrentLineNumber)\r
 \r
-        if len(self.__Token) > 18:\r
+        if len(self._Token) > 18:\r
             raise Warning("Hex string can't be converted to a valid UINT64 value", self.FileName, self.CurrentLineNumber)\r
 \r
         # convert hex string value to byte hex string array\r
-        AllString = self.__Token\r
+        AllString = self._Token\r
         AllStrLen = len (AllString)\r
         DataString = ""\r
         while AllStrLen > 4:\r
-            DataString = DataString + "0x" + AllString[AllStrLen - 2: AllStrLen] + ","\r
+            DataString = DataString + "0x" + AllString[AllStrLen - 2: AllStrLen] + TAB_COMMA_SPLIT\r
             AllStrLen  = AllStrLen - 2\r
-        DataString = DataString + AllString[:AllStrLen] + ","\r
+        DataString = DataString + AllString[:AllStrLen] + TAB_COMMA_SPLIT\r
 \r
         # byte value array\r
-        if len (self.__Token) <= 4:\r
-            while self.__IsToken(","):\r
-                if not self.__GetNextHexNumber():\r
+        if len (self._Token) <= 4:\r
+            while self._IsToken(TAB_COMMA_SPLIT):\r
+                if not self._GetNextHexNumber():\r
                     raise Warning("Invalid Hex number", self.FileName, self.CurrentLineNumber)\r
-                if len(self.__Token) > 4:\r
+                if len(self._Token) > 4:\r
                     raise Warning("Hex byte(must be 2 digits) too long", self.FileName, self.CurrentLineNumber)\r
-                DataString += self.__Token\r
-                DataString += ","\r
+                DataString += self._Token\r
+                DataString += TAB_COMMA_SPLIT\r
 \r
-        if not self.__IsToken( "}"):\r
-            raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(T_CHAR_BRACE_R):\r
+            raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        DataString = DataString.rstrip(",")\r
+        DataString = DataString.rstrip(TAB_COMMA_SPLIT)\r
         RegionObj.RegionType = "DATA"\r
-        RegionObj.RegionDataList.append( DataString)\r
+        RegionObj.RegionDataList.append(DataString)\r
 \r
-        while self.__IsKeyword( "DATA"):\r
+        while self._IsKeyword("DATA"):\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken( "{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextHexNumber():\r
-                raise Warning("expected Hex byte", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextHexNumber():\r
+                raise Warning.Expected("Hex byte", self.FileName, self.CurrentLineNumber)\r
 \r
-            if len(self.__Token) > 18:\r
+            if len(self._Token) > 18:\r
                 raise Warning("Hex string can't be converted to a valid UINT64 value", self.FileName, self.CurrentLineNumber)\r
 \r
             # convert hex string value to byte hex string array\r
-            AllString = self.__Token\r
+            AllString = self._Token\r
             AllStrLen = len (AllString)\r
             DataString = ""\r
             while AllStrLen > 4:\r
-                DataString = DataString + "0x" + AllString[AllStrLen - 2: AllStrLen] + ","\r
+                DataString = DataString + "0x" + AllString[AllStrLen - 2: AllStrLen] + TAB_COMMA_SPLIT\r
                 AllStrLen  = AllStrLen - 2\r
-            DataString = DataString + AllString[:AllStrLen] + ","\r
+            DataString = DataString + AllString[:AllStrLen] + TAB_COMMA_SPLIT\r
 \r
             # byte value array\r
-            if len (self.__Token) <= 4:\r
-                while self.__IsToken(","):\r
-                    if not self.__GetNextHexNumber():\r
+            if len (self._Token) <= 4:\r
+                while self._IsToken(TAB_COMMA_SPLIT):\r
+                    if not self._GetNextHexNumber():\r
                         raise Warning("Invalid Hex number", self.FileName, self.CurrentLineNumber)\r
-                    if len(self.__Token) > 4:\r
+                    if len(self._Token) > 4:\r
                         raise Warning("Hex byte(must be 2 digits) too long", self.FileName, self.CurrentLineNumber)\r
-                    DataString += self.__Token\r
-                    DataString += ","\r
+                    DataString += self._Token\r
+                    DataString += TAB_COMMA_SPLIT\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-            DataString = DataString.rstrip(",")\r
-            RegionObj.RegionDataList.append( DataString)\r
+            DataString = DataString.rstrip(TAB_COMMA_SPLIT)\r
+            RegionObj.RegionDataList.append(DataString)\r
 \r
-    ## __GetFv() method\r
+    ## _GetFv() method\r
     #\r
     #   Get FV section contents and store its data into FV dictionary of self.Profile\r
     #\r
@@ -2014,67 +2059,64 @@ class FdfParser:
     #   @retval True        Successfully find a FV\r
     #   @retval False       Not able to find a FV\r
     #\r
-    def __GetFv(self):\r
-        if not self.__GetNextToken():\r
+    def _GetFv(self):\r
+        if not self._GetNextToken():\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[FV."):\r
-            if not S.startswith("[CAPSULE.") \\r
-                and not S.startswith("[VTF.") and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
-                raise Warning("Unknown section or section appear sequence error (The correct sequence should be [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[FV."):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
             return False\r
 \r
-        self.__UndoToken()\r
-        if not self.__IsToken("[FV.", True):\r
+        self._UndoToken()\r
+        if not self._IsToken("[FV.", True):\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("Unknown Keyword '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
+            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
+            raise Warning("Unknown Keyword '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
 \r
-        FvName = self.__GetUiName()\r
+        FvName = self._GetUiName()\r
         self.CurrentFvName = FvName.upper()\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        FvObj = Fv.FV()\r
-        FvObj.UiFvName = self.CurrentFvName\r
+        FvObj = FV(Name=self.CurrentFvName)\r
         self.Profile.FvDict[self.CurrentFvName] = FvObj\r
 \r
-        Status = self.__GetCreateFile(FvObj)\r
+        Status = self._GetCreateFile(FvObj)\r
         if not Status:\r
             raise Warning("FV name error", self.FileName, self.CurrentLineNumber)\r
 \r
-        self.__GetDefineStatements(FvObj)\r
+        self._GetDefineStatements(FvObj)\r
 \r
-        self.__GetAddressStatements(FvObj)\r
+        self._GetAddressStatements(FvObj)\r
 \r
-        FvObj.FvExtEntryTypeValue = []\r
-        FvObj.FvExtEntryType = []\r
-        FvObj.FvExtEntryData = []\r
         while True:\r
-            self.__GetSetStatements(FvObj)\r
+            self._GetSetStatements(FvObj)\r
 \r
-            if not (self.__GetBlockStatement(FvObj) or self.__GetFvBaseAddress(FvObj) or \r
-                self.__GetFvForceRebase(FvObj) or self.__GetFvAlignment(FvObj) or \r
-                self.__GetFvAttributes(FvObj) or self.__GetFvNameGuid(FvObj) or \r
-                self.__GetFvExtEntryStatement(FvObj)):\r
+            if not (self._GetBlockStatement(FvObj) or self._GetFvBaseAddress(FvObj) or\r
+                self._GetFvForceRebase(FvObj) or self._GetFvAlignment(FvObj) or\r
+                self._GetFvAttributes(FvObj) or self._GetFvNameGuid(FvObj) or\r
+                self._GetFvExtEntryStatement(FvObj) or self._GetFvNameString(FvObj)):\r
                 break\r
 \r
-        self.__GetAprioriSection(FvObj, FvObj.DefineVarDict.copy())\r
-        self.__GetAprioriSection(FvObj, FvObj.DefineVarDict.copy())\r
+        if FvObj.FvNameString == 'TRUE' and not FvObj.FvNameGuid:\r
+            raise Warning("FvNameString found but FvNameGuid was not found", self.FileName, self.CurrentLineNumber)\r
+\r
+        self._GetAprioriSection(FvObj)\r
+        self._GetAprioriSection(FvObj)\r
 \r
         while True:\r
-            isInf = self.__GetInfStatement(FvObj, MacroDict = FvObj.DefineVarDict.copy())\r
-            isFile = self.__GetFileStatement(FvObj, MacroDict = FvObj.DefineVarDict.copy())\r
+            isInf = self._GetInfStatement(FvObj)\r
+            isFile = self._GetFileStatement(FvObj)\r
             if not isInf and not isFile:\r
                 break\r
 \r
         return True\r
 \r
-    ## __GetFvAlignment() method\r
+    ## _GetFvAlignment() method\r
     #\r
     #   Get alignment for FV\r
     #\r
@@ -2083,26 +2125,25 @@ class FdfParser:
     #   @retval True        Successfully find a alignment statement\r
     #   @retval False       Not able to find a alignment statement\r
     #\r
-    def __GetFvAlignment(self, Obj):\r
-\r
-        if not self.__IsKeyword( "FvAlignment"):\r
+    def _GetFvAlignment(self, Obj):\r
+        if not self._IsKeyword("FvAlignment"):\r
             return False\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected alignment value", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("alignment value", self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__Token.upper() not in ("1", "2", "4", "8", "16", "32", "64", "128", "256", "512", \\r
+        if self._Token.upper() not in {"1", "2", "4", "8", "16", "32", "64", "128", "256", "512", \\r
                                         "1K", "2K", "4K", "8K", "16K", "32K", "64K", "128K", "256K", "512K", \\r
                                         "1M", "2M", "4M", "8M", "16M", "32M", "64M", "128M", "256M", "512M", \\r
-                                        "1G", "2G"):\r
-            raise Warning("Unknown alignment value '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        Obj.FvAlignment = self.__Token\r
+                                        "1G", "2G"}:\r
+            raise Warning("Unknown alignment value '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+        Obj.FvAlignment = self._Token\r
         return True\r
-    \r
-    ## __GetFvBaseAddress() method\r
+\r
+    ## _GetFvBaseAddress() method\r
     #\r
     #   Get BaseAddress for FV\r
     #\r
@@ -2111,25 +2152,22 @@ class FdfParser:
     #   @retval True        Successfully find a FvBaseAddress statement\r
     #   @retval False       Not able to find a FvBaseAddress statement\r
     #\r
-    def __GetFvBaseAddress(self, Obj):\r
-\r
-        if not self.__IsKeyword("FvBaseAddress"):\r
+    def _GetFvBaseAddress(self, Obj):\r
+        if not self._IsKeyword("FvBaseAddress"):\r
             return False\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected FV base address value", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("FV base address value", self.FileName, self.CurrentLineNumber)\r
 \r
-        IsValidBaseAddrValue = re.compile('^0[x|X][0-9a-fA-F]+')\r
+        if not BaseAddrValuePattern.match(self._Token.upper()):\r
+            raise Warning("Unknown FV base address value '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+        Obj.FvBaseAddress = self._Token\r
+        return True\r
 \r
-        if not IsValidBaseAddrValue.match(self.__Token.upper()):\r
-            raise Warning("Unknown FV base address value '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        Obj.FvBaseAddress = self.__Token\r
-        return True  \r
-      \r
-    ## __GetFvForceRebase() method\r
+    ## _GetFvForceRebase() method\r
     #\r
     #   Get FvForceRebase for FV\r
     #\r
@@ -2138,31 +2176,30 @@ class FdfParser:
     #   @retval True        Successfully find a FvForceRebase statement\r
     #   @retval False       Not able to find a FvForceRebase statement\r
     #\r
-    def __GetFvForceRebase(self, Obj):\r
-\r
-        if not self.__IsKeyword("FvForceRebase"):\r
+    def _GetFvForceRebase(self, Obj):\r
+        if not self._IsKeyword("FvForceRebase"):\r
             return False\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("FvForceRebase value", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected FvForceRebase value", self.FileName, self.CurrentLineNumber)\r
+        if self._Token.upper() not in {"TRUE", "FALSE", "0", "0X0", "0X00", "1", "0X1", "0X01"}:\r
+            raise Warning("Unknown FvForceRebase value '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__Token.upper() not in ["TRUE", "FALSE", "0", "0X0", "0X00", "1", "0X1", "0X01"]:\r
-            raise Warning("Unknown FvForceRebase value '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        \r
-        if self.__Token.upper() in ["TRUE", "1", "0X1", "0X01"]:\r
+        if self._Token.upper() in {"TRUE", "1", "0X1", "0X01"}:\r
             Obj.FvForceRebase = True\r
-        elif self.__Token.upper() in ["FALSE", "0", "0X0", "0X00"]:\r
+        elif self._Token.upper() in {"FALSE", "0", "0X0", "0X00"}:\r
             Obj.FvForceRebase = False\r
         else:\r
             Obj.FvForceRebase = None\r
-           \r
+\r
         return True\r
 \r
 \r
-    ## __GetFvAttributes() method\r
+    ## _GetFvAttributes() method\r
     #\r
     #   Get attributes for FV\r
     #\r
@@ -2170,31 +2207,31 @@ class FdfParser:
     #   @param  Obj         for whom attribute is got\r
     #   @retval None\r
     #\r
-    def __GetFvAttributes(self, FvObj):\r
+    def _GetFvAttributes(self, FvObj):\r
         IsWordToken = False\r
-        while self.__GetNextWord():\r
+        while self._GetNextWord():\r
             IsWordToken = True\r
-            name = self.__Token\r
-            if name not in ("ERASE_POLARITY", "MEMORY_MAPPED", \\r
+            name = self._Token\r
+            if name not in {"ERASE_POLARITY", "MEMORY_MAPPED", \\r
                            "STICKY_WRITE", "LOCK_CAP", "LOCK_STATUS", "WRITE_ENABLED_CAP", \\r
                            "WRITE_DISABLED_CAP", "WRITE_STATUS", "READ_ENABLED_CAP", \\r
                            "READ_DISABLED_CAP", "READ_STATUS", "READ_LOCK_CAP", \\r
                            "READ_LOCK_STATUS", "WRITE_LOCK_CAP", "WRITE_LOCK_STATUS", \\r
-                           "WRITE_POLICY_RELIABLE", "WEAK_ALIGNMENT"):\r
-                self.__UndoToken()\r
+                           "WRITE_POLICY_RELIABLE", "WEAK_ALIGNMENT", "FvUsedSizeEnable"}:\r
+                self._UndoToken()\r
                 return False\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken() or self.__Token.upper() not in ("TRUE", "FALSE", "1", "0"):\r
-                raise Warning("expected TRUE/FALSE (1/0)", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken() or self._Token.upper() not in {"TRUE", "FALSE", "1", "0"}:\r
+                raise Warning.Expected("TRUE/FALSE (1/0)", self.FileName, self.CurrentLineNumber)\r
 \r
-            FvObj.FvAttributeDict[name] = self.__Token\r
+            FvObj.FvAttributeDict[name] = self._Token\r
 \r
         return IsWordToken\r
-    \r
-    ## __GetFvNameGuid() method\r
+\r
+    ## _GetFvNameGuid() method\r
     #\r
     #   Get FV GUID for FV\r
     #\r
@@ -2202,292 +2239,323 @@ class FdfParser:
     #   @param  Obj         for whom GUID is got\r
     #   @retval None\r
     #\r
-    def __GetFvNameGuid(self, FvObj):\r
-\r
-        if not self.__IsKeyword( "FvNameGuid"):\r
+    def _GetFvNameGuid(self, FvObj):\r
+        if not self._IsKeyword("FvNameGuid"):\r
             return False\r
 \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextGuid():\r
-            raise Warning("expected FV GUID value", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextGuid():\r
+            raise Warning.Expected("GUID value", self.FileName, self.CurrentLineNumber)\r
 \r
-        FvObj.FvNameGuid = self.__Token\r
+        FvObj.FvNameGuid = self._Token\r
 \r
         return True\r
 \r
-    def __GetFvExtEntryStatement(self, FvObj):\r
+    def _GetFvNameString(self, FvObj):\r
+        if not self._IsKeyword("FvNameString"):\r
+            return False\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken() or self._Token.upper() not in {'TRUE', 'FALSE'}:\r
+            raise Warning.Expected("TRUE or FALSE for FvNameString", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsKeyword( "FV_EXT_ENTRY"):\r
+        FvObj.FvNameString = self._Token\r
+\r
+        return True\r
+\r
+    def _GetFvExtEntryStatement(self, FvObj):\r
+        if not (self._IsKeyword("FV_EXT_ENTRY") or self._IsKeyword("FV_EXT_ENTRY_TYPE")):\r
             return False\r
 \r
-        if not self.__IsKeyword ("TYPE"):\r
-            raise Warning("expected 'TYPE'", self.FileName, self.CurrentLineNumber)\r
-            \r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsKeyword ("TYPE"):\r
+            raise Warning.Expected("'TYPE'", self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextHexNumber() and not self.__GetNextDecimalNumber():\r
-            raise Warning("expected Hex FV extension entry type value At Line ", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextHexNumber() and not self._GetNextDecimalNumber():\r
+            raise Warning.Expected("Hex FV extension entry type value At Line ", self.FileName, self.CurrentLineNumber)\r
 \r
-        FvObj.FvExtEntryTypeValue += [self.__Token]\r
+        FvObj.FvExtEntryTypeValue.append(self._Token)\r
 \r
-        if not self.__IsToken( "{"):\r
-            raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken("{"):\r
+            raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__IsKeyword ("FILE") and not self.__IsKeyword ("DATA"):\r
-            raise Warning("expected 'FILE' or 'DATA'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsKeyword("FILE") and not self._IsKeyword("DATA"):\r
+            raise Warning.Expected("'FILE' or 'DATA'", self.FileName, self.CurrentLineNumber)\r
 \r
-        FvObj.FvExtEntryType += [self.__Token]\r
+        FvObj.FvExtEntryType.append(self._Token)\r
 \r
-        if self.__Token == 'DATA':\r
+        if self._Token == 'DATA':\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                \r
-            if not self.__IsToken( "{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextHexNumber():\r
-                raise Warning("expected Hex byte", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextHexNumber():\r
+                raise Warning.Expected("Hex byte", self.FileName, self.CurrentLineNumber)\r
 \r
-            if len(self.__Token) > 4:\r
+            if len(self._Token) > 4:\r
                 raise Warning("Hex byte(must be 2 digits) too long", self.FileName, self.CurrentLineNumber)\r
 \r
-            DataString = self.__Token\r
-            DataString += ","\r
+            DataString = self._Token\r
+            DataString += TAB_COMMA_SPLIT\r
 \r
-            while self.__IsToken(","):\r
-                if not self.__GetNextHexNumber():\r
+            while self._IsToken(TAB_COMMA_SPLIT):\r
+                if not self._GetNextHexNumber():\r
                     raise Warning("Invalid Hex number", self.FileName, self.CurrentLineNumber)\r
-                if len(self.__Token) > 4:\r
+                if len(self._Token) > 4:\r
                     raise Warning("Hex byte(must be 2 digits) too long", self.FileName, self.CurrentLineNumber)\r
-                DataString += self.__Token\r
-                DataString += ","\r
+                DataString += self._Token\r
+                DataString += TAB_COMMA_SPLIT\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-            DataString = DataString.rstrip(",")\r
-            FvObj.FvExtEntryData += [DataString]\r
+            DataString = DataString.rstrip(TAB_COMMA_SPLIT)\r
+            FvObj.FvExtEntryData.append(DataString)\r
 \r
-        if self.__Token == 'FILE':\r
-        \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FV Extension Entry file path At Line ", self.FileName, self.CurrentLineNumber)\r
-                \r
-            FvObj.FvExtEntryData += [self.__Token]\r
+        if self._Token == 'FILE':\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FV Extension Entry file path At Line ", self.FileName, self.CurrentLineNumber)\r
+\r
+            FvObj.FvExtEntryData.append(self._Token)\r
+\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
         return True\r
 \r
-    ## __GetAprioriSection() method\r
+    ## _GetAprioriSection() method\r
     #\r
     #   Get token statements\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FvObj       for whom apriori is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
     #   @retval True        Successfully find apriori statement\r
     #   @retval False       Not able to find apriori statement\r
     #\r
-    def __GetAprioriSection(self, FvObj, MacroDict = {}):\r
-\r
-        if not self.__IsKeyword( "APRIORI"):\r
+    def _GetAprioriSection(self, FvObj):\r
+        if not self._IsKeyword("APRIORI"):\r
             return False\r
 \r
-        if not self.__IsKeyword("PEI") and not self.__IsKeyword("DXE"):\r
-            raise Warning("expected Apriori file type", self.FileName, self.CurrentLineNumber)\r
-        AprType = self.__Token\r
+        if not self._IsKeyword("PEI") and not self._IsKeyword("DXE"):\r
+            raise Warning.Expected("Apriori file type", self.FileName, self.CurrentLineNumber)\r
+        AprType = self._Token\r
 \r
-        if not self.__IsToken( "{"):\r
-            raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken("{"):\r
+            raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-        AprSectionObj = AprioriSection.AprioriSection()\r
+        AprSectionObj = AprioriSection()\r
         AprSectionObj.AprioriType = AprType\r
 \r
-        self.__GetDefineStatements(AprSectionObj)\r
-        MacroDict.update(AprSectionObj.DefineVarDict)\r
+        self._GetDefineStatements(AprSectionObj)\r
 \r
         while True:\r
-            IsInf = self.__GetInfStatement( AprSectionObj, MacroDict = MacroDict)\r
-            IsFile = self.__GetFileStatement( AprSectionObj)\r
+            IsInf = self._GetInfStatement(AprSectionObj)\r
+            IsFile = self._GetFileStatement(AprSectionObj)\r
             if not IsInf and not IsFile:\r
                 break\r
 \r
-        if not self.__IsToken( "}"):\r
-            raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(T_CHAR_BRACE_R):\r
+            raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
         FvObj.AprioriSectionList.append(AprSectionObj)\r
         return True\r
 \r
-    ## __GetInfStatement() method\r
-    #\r
-    #   Get INF statements\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @param  Obj         for whom inf statement is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
-    #   @retval True        Successfully find inf statement\r
-    #   @retval False       Not able to find inf statement\r
-    #\r
-    def __GetInfStatement(self, Obj, ForCapsule = False, MacroDict = {}):\r
-\r
-        if not self.__IsKeyword( "INF"):\r
-            return False\r
+    def _ParseInfStatement(self):\r
+        if not self._IsKeyword("INF"):\r
+            return None\r
 \r
-        ffsInf = FfsInfStatement.FfsInfStatement()\r
-        self.__GetInfOptions( ffsInf)\r
+        ffsInf = FfsInfStatement()\r
+        self._GetInfOptions(ffsInf)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected INF file path", self.FileName, self.CurrentLineNumber)\r
-        ffsInf.InfFileName = self.__Token\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("INF file path", self.FileName, self.CurrentLineNumber)\r
+        ffsInf.InfFileName = self._Token\r
+        if not ffsInf.InfFileName.endswith('.inf'):\r
+            raise Warning.Expected(".inf file path", self.FileName, self.CurrentLineNumber)\r
 \r
         ffsInf.CurrentLineNum = self.CurrentLineNumber\r
-        ffsInf.CurrentLineContent = self.__CurrentLine()\r
+        ffsInf.CurrentLineContent = self._CurrentLine()\r
 \r
-        if ffsInf.InfFileName.replace('$(WORKSPACE)', '').find('$') == -1:\r
+        #Replace $(SAPCE) with real space\r
+        ffsInf.InfFileName = ffsInf.InfFileName.replace('$(SPACE)', ' ')\r
+\r
+        if ffsInf.InfFileName.replace(TAB_WORKSPACE, '').find('$') == -1:\r
             #do case sensitive check for file path\r
             ErrorCode, ErrorInfo = PathClass(NormPath(ffsInf.InfFileName), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
             if ErrorCode != 0:\r
                 EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
 \r
-        if not ffsInf.InfFileName in self.Profile.InfList:\r
-            self.Profile.InfList.append(ffsInf.InfFileName)\r
+        NewFileName = ffsInf.InfFileName\r
+        if ffsInf.OverrideGuid:\r
+            NewFileName = ProcessDuplicatedInf(PathClass(ffsInf.InfFileName,GenFdsGlobalVariable.WorkSpaceDir), ffsInf.OverrideGuid, GenFdsGlobalVariable.WorkSpaceDir).Path\r
+\r
+        if not NewFileName in self.Profile.InfList:\r
+            self.Profile.InfList.append(NewFileName)\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             self.Profile.InfFileLineList.append(FileLineTuple)\r
+            if ffsInf.UseArch:\r
+                if ffsInf.UseArch not in self.Profile.InfDict:\r
+                    self.Profile.InfDict[ffsInf.UseArch] = [ffsInf.InfFileName]\r
+                else:\r
+                    self.Profile.InfDict[ffsInf.UseArch].append(ffsInf.InfFileName)\r
+            else:\r
+                self.Profile.InfDict['ArchTBD'].append(ffsInf.InfFileName)\r
 \r
-        if self.__IsToken('|'):\r
-            if self.__IsKeyword('RELOCS_STRIPPED'):\r
+        if self._IsToken(TAB_VALUE_SPLIT):\r
+            if self._IsKeyword('RELOCS_STRIPPED'):\r
                 ffsInf.KeepReloc = False\r
-            elif self.__IsKeyword('RELOCS_RETAINED'):\r
+            elif self._IsKeyword('RELOCS_RETAINED'):\r
                 ffsInf.KeepReloc = True\r
             else:\r
-                raise Warning("Unknown reloc strip flag '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        \r
+                raise Warning("Unknown reloc strip flag '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+        return ffsInf\r
+\r
+    ## _GetInfStatement() method\r
+    #\r
+    #   Get INF statements\r
+    #\r
+    #   @param  self        The object pointer\r
+    #   @param  Obj         for whom inf statement is got\r
+    #   @retval True        Successfully find inf statement\r
+    #   @retval False       Not able to find inf statement\r
+    #\r
+    def _GetInfStatement(self, Obj, ForCapsule=False):\r
+        ffsInf = self._ParseInfStatement()\r
+        if not ffsInf:\r
+            return False\r
+\r
         if ForCapsule:\r
-            capsuleFfs = CapsuleData.CapsuleFfs()\r
-            capsuleFfs.Ffs = ffsInf\r
-            Obj.CapsuleDataList.append(capsuleFfs)\r
+            myCapsuleFfs = CapsuleFfs()\r
+            myCapsuleFfs.Ffs = ffsInf\r
+            Obj.CapsuleDataList.append(myCapsuleFfs)\r
         else:\r
             Obj.FfsList.append(ffsInf)\r
         return True\r
 \r
-    ## __GetInfOptions() method\r
+    ## _GetInfOptions() method\r
     #\r
     #   Get options for INF\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FfsInfObj   for whom option is got\r
     #\r
-    def __GetInfOptions(self, FfsInfObj):\r
-\r
-        if self.__IsKeyword( "RuleOverride"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Rule name", self.FileName, self.CurrentLineNumber)\r
-            FfsInfObj.Rule = self.__Token\r
-\r
-        if self.__IsKeyword( "VERSION"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Version", self.FileName, self.CurrentLineNumber)\r
-\r
-            if self.__GetStringData():\r
-                FfsInfObj.Version = self.__Token\r
-\r
-        if self.__IsKeyword( "UI"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected UI name", self.FileName, self.CurrentLineNumber)\r
-\r
-            if self.__GetStringData():\r
-                FfsInfObj.Ui = self.__Token\r
-\r
-        if self.__IsKeyword( "USE"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected ARCH name", self.FileName, self.CurrentLineNumber)\r
-            FfsInfObj.UseArch = self.__Token\r
-\r
-                \r
-        if self.__GetNextToken():\r
-            p = re.compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\)|\*)')\r
-            if p.match(self.__Token):\r
-                FfsInfObj.KeyStringList.append(self.__Token)\r
-                if not self.__IsToken(","):\r
+    def _GetInfOptions(self, FfsInfObj):\r
+        if self._IsKeyword("FILE_GUID"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextGuid():\r
+                raise Warning.Expected("GUID value", self.FileName, self.CurrentLineNumber)\r
+            FfsInfObj.OverrideGuid = self._Token\r
+\r
+        if self._IsKeyword("RuleOverride"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Rule name", self.FileName, self.CurrentLineNumber)\r
+            FfsInfObj.Rule = self._Token\r
+\r
+        if self._IsKeyword("VERSION"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Version", self.FileName, self.CurrentLineNumber)\r
+\r
+            if self._GetStringData():\r
+                FfsInfObj.Version = self._Token\r
+\r
+        if self._IsKeyword(BINARY_FILE_TYPE_UI):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("UI name", self.FileName, self.CurrentLineNumber)\r
+\r
+            if self._GetStringData():\r
+                FfsInfObj.Ui = self._Token\r
+\r
+        if self._IsKeyword("USE"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("ARCH name", self.FileName, self.CurrentLineNumber)\r
+            FfsInfObj.UseArch = self._Token\r
+\r
+\r
+        if self._GetNextToken():\r
+            p = compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\))')\r
+            if p.match(self._Token) and p.match(self._Token).span()[1] == len(self._Token):\r
+                FfsInfObj.KeyStringList.append(self._Token)\r
+                if not self._IsToken(TAB_COMMA_SPLIT):\r
                     return\r
             else:\r
-                self.__UndoToken()\r
+                self._UndoToken()\r
                 return\r
 \r
-            while self.__GetNextToken():\r
-                if not p.match(self.__Token):\r
-                    raise Warning("expected KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
-                FfsInfObj.KeyStringList.append(self.__Token)\r
+            while self._GetNextToken():\r
+                if not p.match(self._Token):\r
+                    raise Warning.Expected("KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
+                FfsInfObj.KeyStringList.append(self._Token)\r
 \r
-                if not self.__IsToken(","):\r
+                if not self._IsToken(TAB_COMMA_SPLIT):\r
                     break\r
 \r
-    ## __GetFileStatement() method\r
+    ## _GetFileStatement() method\r
     #\r
     #   Get FILE statements\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom FILE statement is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
     #   @retval True        Successfully find FILE statement\r
     #   @retval False       Not able to find FILE statement\r
     #\r
-    def __GetFileStatement(self, Obj, ForCapsule = False, MacroDict = {}):\r
-\r
-        if not self.__IsKeyword( "FILE"):\r
+    def _GetFileStatement(self, Obj, ForCapsule = False):\r
+        if not self._IsKeyword("FILE"):\r
             return False\r
 \r
-        if not self.__GetNextWord():\r
-            raise Warning("expected FFS type", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextWord():\r
+            raise Warning.Expected("FFS type", self.FileName, self.CurrentLineNumber)\r
 \r
-        if ForCapsule and self.__Token == 'DATA':\r
-            self.__UndoToken()\r
-            self.__UndoToken()\r
+        if ForCapsule and self._Token == 'DATA':\r
+            self._UndoToken()\r
+            self._UndoToken()\r
             return False\r
-        \r
-        FfsFileObj = FfsFileStatement.FileStatement()\r
-        FfsFileObj.FvFileType = self.__Token\r
-\r
-        if not self.__IsToken( "="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextGuid():\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected File GUID", self.FileName, self.CurrentLineNumber)\r
-            if self.__Token == 'PCD':\r
-                if not self.__IsToken( "("):\r
-                    raise Warning("expected '('", self.FileName, self.CurrentLineNumber)\r
-                PcdPair = self.__GetNextPcdName()\r
-                if not self.__IsToken( ")"):\r
-                    raise Warning("expected ')'", self.FileName, self.CurrentLineNumber)\r
-                self.__Token = 'PCD('+PcdPair[1]+'.'+PcdPair[0]+')'\r
-                \r
-        FfsFileObj.NameGuid = self.__Token\r
-        \r
-        self.__GetFilePart( FfsFileObj, MacroDict.copy())\r
+\r
+        FfsFileObj = FileStatement()\r
+        FfsFileObj.FvFileType = self._Token\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextGuid():\r
+            if not self._GetNextWord():\r
+                raise Warning.Expected("File GUID", self.FileName, self.CurrentLineNumber)\r
+            if self._Token == 'PCD':\r
+                if not self._IsToken("("):\r
+                    raise Warning.Expected("'('", self.FileName, self.CurrentLineNumber)\r
+                PcdPair = self._GetNextPcdSettings()\r
+                if not self._IsToken(")"):\r
+                    raise Warning.Expected("')'", self.FileName, self.CurrentLineNumber)\r
+                self._Token = 'PCD('+PcdPair[1]+TAB_SPLIT+PcdPair[0]+')'\r
+\r
+        FfsFileObj.NameGuid = self._Token\r
+\r
+        self._GetFilePart(FfsFileObj)\r
 \r
         if ForCapsule:\r
-            capsuleFfs = CapsuleData.CapsuleFfs()\r
+            capsuleFfs = CapsuleFfs()\r
             capsuleFfs.Ffs = FfsFileObj\r
             Obj.CapsuleDataList.append(capsuleFfs)\r
         else:\r
@@ -2495,131 +2563,170 @@ class FdfParser:
 \r
         return True\r
 \r
-    ## __FileCouldHaveRelocFlag() method\r
+    ## _FileCouldHaveRelocFlag() method\r
     #\r
     #   Check whether reloc strip flag can be set for a file type.\r
     #\r
-    #   @param  self        The object pointer\r
     #   @param  FileType    The file type to check with\r
     #   @retval True        This type could have relocation strip flag\r
     #   @retval False       No way to have it\r
     #\r
-\r
-    def __FileCouldHaveRelocFlag (self, FileType):\r
-        if FileType in ('SEC', 'PEI_CORE', 'PEIM', 'PEI_DXE_COMBO'):\r
+    @staticmethod\r
+    def _FileCouldHaveRelocFlag (FileType):\r
+        if FileType in {SUP_MODULE_SEC, SUP_MODULE_PEI_CORE, SUP_MODULE_PEIM, SUP_MODULE_MM_CORE_STANDALONE, 'PEI_DXE_COMBO'}:\r
             return True\r
         else:\r
             return False\r
 \r
-    ## __SectionCouldHaveRelocFlag() method\r
+    ## _SectionCouldHaveRelocFlag() method\r
     #\r
     #   Check whether reloc strip flag can be set for a section type.\r
     #\r
-    #   @param  self        The object pointer\r
     #   @param  SectionType The section type to check with\r
     #   @retval True        This type could have relocation strip flag\r
     #   @retval False       No way to have it\r
     #\r
-\r
-    def __SectionCouldHaveRelocFlag (self, SectionType):\r
-        if SectionType in ('TE', 'PE32'):\r
+    @staticmethod\r
+    def _SectionCouldHaveRelocFlag (SectionType):\r
+        if SectionType in {BINARY_FILE_TYPE_TE, BINARY_FILE_TYPE_PE32}:\r
             return True\r
         else:\r
             return False\r
 \r
-    ## __GetFilePart() method\r
+    ## _GetFilePart() method\r
     #\r
     #   Get components for FILE statement\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FfsFileObj   for whom component is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
     #\r
-    def __GetFilePart(self, FfsFileObj, MacroDict = {}):\r
-\r
-        self.__GetFileOpts( FfsFileObj)\r
+    def _GetFilePart(self, FfsFileObj):\r
+        self._GetFileOpts(FfsFileObj)\r
 \r
-        if not self.__IsToken("{"):\r
-            if self.__IsKeyword('RELOCS_STRIPPED') or self.__IsKeyword('RELOCS_RETAINED'):\r
-                if self.__FileCouldHaveRelocFlag(FfsFileObj.FvFileType):\r
-                    if self.__Token == 'RELOCS_STRIPPED':\r
+        if not self._IsToken("{"):\r
+            if self._IsKeyword('RELOCS_STRIPPED') or self._IsKeyword('RELOCS_RETAINED'):\r
+                if self._FileCouldHaveRelocFlag(FfsFileObj.FvFileType):\r
+                    if self._Token == 'RELOCS_STRIPPED':\r
                         FfsFileObj.KeepReloc = False\r
                     else:\r
                         FfsFileObj.KeepReloc = True\r
                 else:\r
                     raise Warning("File type %s could not have reloc strip flag%d" % (FfsFileObj.FvFileType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken("{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected File name or section data", self.FileName, self.CurrentLineNumber)\r
-\r
-        if self.__Token == "FV":\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FV name", self.FileName, self.CurrentLineNumber)\r
-            FfsFileObj.FvName = self.__Token\r
-\r
-        elif self.__Token == "FD":\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FD name", self.FileName, self.CurrentLineNumber)\r
-            FfsFileObj.FdName = self.__Token\r
-\r
-        elif self.__Token in ("DEFINE", "APRIORI", "SECTION"):\r
-            self.__UndoToken()\r
-            self.__GetSectionData( FfsFileObj, MacroDict)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("File name or section data", self.FileName, self.CurrentLineNumber)\r
+\r
+        if self._Token == BINARY_FILE_TYPE_FV:\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FV name", self.FileName, self.CurrentLineNumber)\r
+            FfsFileObj.FvName = self._Token\r
+\r
+        elif self._Token == "FD":\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FD name", self.FileName, self.CurrentLineNumber)\r
+            FfsFileObj.FdName = self._Token\r
+\r
+        elif self._Token in {TAB_DEFINE, "APRIORI", "SECTION"}:\r
+            self._UndoToken()\r
+            self._GetSectionData(FfsFileObj)\r
+\r
+        elif hasattr(FfsFileObj, 'FvFileType') and FfsFileObj.FvFileType == 'RAW':\r
+            self._UndoToken()\r
+            self._GetRAWData(FfsFileObj)\r
+\r
         else:\r
             FfsFileObj.CurrentLineNum = self.CurrentLineNumber\r
-            FfsFileObj.CurrentLineContent = self.__CurrentLine()\r
-            FfsFileObj.FileName = self.__Token\r
-            self.__VerifyFile(FfsFileObj.FileName)\r
+            FfsFileObj.CurrentLineContent = self._CurrentLine()\r
+            FfsFileObj.FileName = self._Token.replace('$(SPACE)', ' ')\r
+            self._VerifyFile(FfsFileObj.FileName)\r
 \r
-        if not self.__IsToken( "}"):\r
-            raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(T_CHAR_BRACE_R):\r
+            raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-    ## __GetFileOpts() method\r
+    ## _GetRAWData() method\r
+    #\r
+    #   Get RAW data for FILE statement\r
+    #\r
+    #   @param  self         The object pointer\r
+    #   @param  FfsFileObj   for whom section is got\r
+    #\r
+    def _GetRAWData(self, FfsFileObj):\r
+        FfsFileObj.FileName = []\r
+        FfsFileObj.SubAlignment = []\r
+        while True:\r
+            AlignValue = None\r
+            if self._GetAlignment():\r
+                if self._Token not in ALIGNMENTS:\r
+                    raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+                #For FFS, Auto is default option same to ""\r
+                if not self._Token == "Auto":\r
+                    AlignValue = self._Token\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Filename value", self.FileName, self.CurrentLineNumber)\r
+\r
+            FileName = self._Token.replace('$(SPACE)', ' ')\r
+            if FileName == T_CHAR_BRACE_R:\r
+                self._UndoToken()\r
+                raise Warning.Expected("Filename value", self.FileName, self.CurrentLineNumber)\r
+\r
+            self._VerifyFile(FileName)\r
+            File = PathClass(NormPath(FileName), GenFdsGlobalVariable.WorkSpaceDir)\r
+            FfsFileObj.FileName.append(File.Path)\r
+            FfsFileObj.SubAlignment.append(AlignValue)\r
+\r
+            if self._IsToken(T_CHAR_BRACE_R):\r
+                self._UndoToken()\r
+                break\r
+\r
+        if len(FfsFileObj.SubAlignment) == 1:\r
+            FfsFileObj.SubAlignment = FfsFileObj.SubAlignment[0]\r
+        if len(FfsFileObj.FileName) == 1:\r
+            FfsFileObj.FileName = FfsFileObj.FileName[0]\r
+\r
+    ## _GetFileOpts() method\r
     #\r
     #   Get options for FILE statement\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FfsFileObj   for whom options is got\r
     #\r
-    def __GetFileOpts(self, FfsFileObj):\r
-\r
-        if self.__GetNextToken():\r
-            Pattern = re.compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\)|\*)')\r
-            if Pattern.match(self.__Token):\r
-                FfsFileObj.KeyStringList.append(self.__Token)\r
-                if self.__IsToken(","):\r
-                    while self.__GetNextToken():\r
-                        if not Pattern.match(self.__Token):\r
-                            raise Warning("expected KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
-                        FfsFileObj.KeyStringList.append(self.__Token)\r
-\r
-                        if not self.__IsToken(","):\r
+    def _GetFileOpts(self, FfsFileObj):\r
+        if self._GetNextToken():\r
+            if TokenFindPattern.match(self._Token):\r
+                FfsFileObj.KeyStringList.append(self._Token)\r
+                if self._IsToken(TAB_COMMA_SPLIT):\r
+                    while self._GetNextToken():\r
+                        if not TokenFindPattern.match(self._Token):\r
+                            raise Warning.Expected("KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
+                        FfsFileObj.KeyStringList.append(self._Token)\r
+\r
+                        if not self._IsToken(TAB_COMMA_SPLIT):\r
                             break\r
 \r
             else:\r
-                self.__UndoToken()\r
+                self._UndoToken()\r
 \r
-        if self.__IsKeyword( "FIXED", True):\r
+        if self._IsKeyword("FIXED", True):\r
             FfsFileObj.Fixed = True\r
 \r
-        if self.__IsKeyword( "CHECKSUM", True):\r
+        if self._IsKeyword("CHECKSUM", True):\r
             FfsFileObj.CheckSum = True\r
 \r
-        if self.__GetAlignment():\r
-            if self.__Token not in ("Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
+        if self._GetAlignment():\r
+            if self._Token not in ALIGNMENTS:\r
+                raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
             #For FFS, Auto is default option same to ""\r
-            if not self.__Token == "Auto":\r
-                FfsFileObj.Alignment = self.__Token\r
+            if not self._Token == "Auto":\r
+                FfsFileObj.Alignment = self._Token\r
 \r
-    ## __GetAlignment() method\r
+    ## _GetAlignment() method\r
     #\r
     #   Return the alignment value\r
     #\r
@@ -2627,143 +2734,131 @@ class FdfParser:
     #   @retval True        Successfully find alignment\r
     #   @retval False       Not able to find alignment\r
     #\r
-    def __GetAlignment(self):\r
-        if self.__IsKeyword( "Align", True):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+    def _GetAlignment(self):\r
+        if self._IsKeyword("Align", True):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected alignment value", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("alignment value", self.FileName, self.CurrentLineNumber)\r
             return True\r
 \r
         return False\r
 \r
-    ## __GetFilePart() method\r
+    ## _GetSectionData() method\r
     #\r
     #   Get section data for FILE statement\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FfsFileObj   for whom section is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
     #\r
-    def __GetSectionData(self, FfsFileObj, MacroDict = {}):\r
-        Dict = {}\r
-        Dict.update(MacroDict)\r
-\r
-        self.__GetDefineStatements(FfsFileObj)\r
-\r
-        Dict.update(FfsFileObj.DefineVarDict)\r
-        self.__GetAprioriSection(FfsFileObj, Dict.copy())\r
-        self.__GetAprioriSection(FfsFileObj, Dict.copy())\r
+    def _GetSectionData(self, FfsFileObj):\r
+        self._GetDefineStatements(FfsFileObj)\r
 \r
         while True:\r
-            IsLeafSection = self.__GetLeafSection(FfsFileObj, Dict)\r
-            IsEncapSection = self.__GetEncapsulationSec(FfsFileObj)\r
+            IsLeafSection = self._GetLeafSection(FfsFileObj)\r
+            IsEncapSection = self._GetEncapsulationSec(FfsFileObj)\r
             if not IsLeafSection and not IsEncapSection:\r
                 break\r
 \r
-    ## __GetLeafSection() method\r
+    ## _GetLeafSection() method\r
     #\r
     #   Get leaf section for Obj\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom leaf section is got\r
-    #   @param  MacroDict   dictionary used to replace macro\r
     #   @retval True        Successfully find section statement\r
     #   @retval False       Not able to find section statement\r
     #\r
-    def __GetLeafSection(self, Obj, MacroDict = {}):\r
-\r
+    def _GetLeafSection(self, Obj):\r
         OldPos = self.GetFileBufferPos()\r
 \r
-        if not self.__IsKeyword( "SECTION"):\r
+        if not self._IsKeyword("SECTION"):\r
             if len(Obj.SectionList) == 0:\r
-                raise Warning("expected SECTION", self.FileName, self.CurrentLineNumber)\r
+                raise Warning.Expected("SECTION", self.FileName, self.CurrentLineNumber)\r
             else:\r
                 return False\r
 \r
         AlignValue = None\r
-        if self.__GetAlignment():\r
-            if self.__Token not in ("Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-            AlignValue = self.__Token\r
+        if self._GetAlignment():\r
+            if self._Token not in ALIGNMENTS:\r
+                raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+            AlignValue = self._Token\r
 \r
         BuildNum = None\r
-        if self.__IsKeyword( "BUILD_NUM"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if self._IsKeyword("BUILD_NUM"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Build number value", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Build number value", self.FileName, self.CurrentLineNumber)\r
 \r
-            BuildNum = self.__Token\r
+            BuildNum = self._Token\r
 \r
-        if self.__IsKeyword( "VERSION"):\r
+        if self._IsKeyword("VERSION"):\r
             if AlignValue == 'Auto':\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected version", self.FileName, self.CurrentLineNumber)\r
-            VerSectionObj = VerSection.VerSection()\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("version", self.FileName, self.CurrentLineNumber)\r
+            VerSectionObj = VerSection()\r
             VerSectionObj.Alignment = AlignValue\r
             VerSectionObj.BuildNum = BuildNum\r
-            if self.__GetStringData():\r
-                VerSectionObj.StringData = self.__Token\r
+            if self._GetStringData():\r
+                VerSectionObj.StringData = self._Token\r
             else:\r
-                VerSectionObj.FileName = self.__Token\r
+                VerSectionObj.FileName = self._Token\r
             Obj.SectionList.append(VerSectionObj)\r
-            \r
-        elif self.__IsKeyword( "UI"):\r
+\r
+        elif self._IsKeyword(BINARY_FILE_TYPE_UI):\r
             if AlignValue == 'Auto':\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected UI", self.FileName, self.CurrentLineNumber)\r
-            UiSectionObj = UiSection.UiSection()\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("UI", self.FileName, self.CurrentLineNumber)\r
+            UiSectionObj = UiSection()\r
             UiSectionObj.Alignment = AlignValue\r
-            if self.__GetStringData():\r
-                UiSectionObj.StringData = self.__Token\r
+            if self._GetStringData():\r
+                UiSectionObj.StringData = self._Token\r
             else:\r
-                UiSectionObj.FileName = self.__Token\r
+                UiSectionObj.FileName = self._Token\r
             Obj.SectionList.append(UiSectionObj)\r
 \r
-        elif self.__IsKeyword( "FV_IMAGE"):\r
+        elif self._IsKeyword("FV_IMAGE"):\r
             if AlignValue == 'Auto':\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected FV name or FV file path", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("FV name or FV file path", self.FileName, self.CurrentLineNumber)\r
 \r
-            FvName = self.__Token\r
+            FvName = self._Token\r
             FvObj = None\r
 \r
-            if self.__IsToken( "{"):\r
-                FvObj = Fv.FV()\r
+            if self._IsToken("{"):\r
+                FvObj = FV()\r
                 FvObj.UiFvName = FvName.upper()\r
-                self.__GetDefineStatements(FvObj)\r
-                MacroDict.update(FvObj.DefineVarDict)\r
-                self.__GetBlockStatement(FvObj)\r
-                self.__GetSetStatements(FvObj)\r
-                self.__GetFvAlignment(FvObj)\r
-                self.__GetFvAttributes(FvObj)\r
-                self.__GetAprioriSection(FvObj, MacroDict.copy())\r
-                self.__GetAprioriSection(FvObj, MacroDict.copy())\r
+                self._GetDefineStatements(FvObj)\r
+\r
+                self._GetBlockStatement(FvObj)\r
+                self._GetSetStatements(FvObj)\r
+                self._GetFvAlignment(FvObj)\r
+                self._GetFvAttributes(FvObj)\r
 \r
                 while True:\r
-                    IsInf = self.__GetInfStatement(FvObj, MacroDict.copy())\r
-                    IsFile = self.__GetFileStatement(FvObj, MacroDict.copy())\r
+                    IsInf = self._GetInfStatement(FvObj)\r
+                    IsFile = self._GetFileStatement(FvObj)\r
                     if not IsInf and not IsFile:\r
                         break\r
 \r
-                if not self.__IsToken( "}"):\r
-                    raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+                if not self._IsToken(T_CHAR_BRACE_R):\r
+                    raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-            FvImageSectionObj = FvImageSection.FvImageSection()\r
+            FvImageSectionObj = FvImageSection()\r
             FvImageSectionObj.Alignment = AlignValue\r
-            if FvObj != None:\r
+            if FvObj is not None:\r
                 FvImageSectionObj.Fv = FvObj\r
                 FvImageSectionObj.FvName = None\r
             else:\r
@@ -2772,81 +2867,81 @@ class FdfParser:
 \r
             Obj.SectionList.append(FvImageSectionObj)\r
 \r
-        elif self.__IsKeyword("PEI_DEPEX_EXP") or self.__IsKeyword("DXE_DEPEX_EXP") or self.__IsKeyword("SMM_DEPEX_EXP"):\r
+        elif self._IsKeyword("PEI_DEPEX_EXP") or self._IsKeyword("DXE_DEPEX_EXP") or self._IsKeyword("SMM_DEPEX_EXP"):\r
             if AlignValue == 'Auto':\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-            DepexSectionObj = DepexSection.DepexSection()\r
+            DepexSectionObj = DepexSection()\r
             DepexSectionObj.Alignment = AlignValue\r
-            DepexSectionObj.DepexType = self.__Token\r
+            DepexSectionObj.DepexType = self._Token\r
 \r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__IsToken( "{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
-            if not self.__SkipToToken( "}"):\r
-                raise Warning("expected Depex expression ending '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
+            if not self._SkipToToken(T_CHAR_BRACE_R):\r
+                raise Warning.Expected("Depex expression ending '}'", self.FileName, self.CurrentLineNumber)\r
 \r
-            DepexSectionObj.Expression = self.__SkippedChars.rstrip('}')\r
+            DepexSectionObj.Expression = self._SkippedChars.rstrip(T_CHAR_BRACE_R)\r
             Obj.SectionList.append(DepexSectionObj)\r
 \r
         else:\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected section type", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextWord():\r
+                raise Warning.Expected("section type", self.FileName, self.CurrentLineNumber)\r
 \r
             # Encapsulation section appear, UndoToken and return\r
-            if self.__Token == "COMPRESS" or self.__Token == "GUIDED":\r
+            if self._Token == "COMPRESS" or self._Token == "GUIDED":\r
                 self.SetFileBufferPos(OldPos)\r
                 return False\r
 \r
-            if self.__Token not in ("COMPAT16", "PE32", "PIC", "TE", "FV_IMAGE", "RAW", "DXE_DEPEX",\\r
-                               "UI", "VERSION", "PEI_DEPEX", "SUBTYPE_GUID", "SMM_DEPEX"):\r
-                raise Warning("Unknown section type '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-            if AlignValue == 'Auto'and (not self.__Token == 'PE32') and (not self.__Token == 'TE'):\r
+            if self._Token not in {"COMPAT16", BINARY_FILE_TYPE_PE32, BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_TE, "FV_IMAGE", "RAW", BINARY_FILE_TYPE_DXE_DEPEX,\\r
+                               BINARY_FILE_TYPE_UI, "VERSION", BINARY_FILE_TYPE_PEI_DEPEX, "SUBTYPE_GUID", BINARY_FILE_TYPE_SMM_DEPEX}:\r
+                raise Warning("Unknown section type '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+            if AlignValue == 'Auto'and (not self._Token == BINARY_FILE_TYPE_PE32) and (not self._Token == BINARY_FILE_TYPE_TE):\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
 \r
             # DataSection\r
-            DataSectionObj = DataSection.DataSection()\r
+            DataSectionObj = DataSection()\r
             DataSectionObj.Alignment = AlignValue\r
-            DataSectionObj.SecType = self.__Token\r
+            DataSectionObj.SecType = self._Token\r
 \r
-            if self.__IsKeyword('RELOCS_STRIPPED') or self.__IsKeyword('RELOCS_RETAINED'):\r
-                if self.__FileCouldHaveRelocFlag(Obj.FvFileType) and self.__SectionCouldHaveRelocFlag(DataSectionObj.SecType):\r
-                    if self.__Token == 'RELOCS_STRIPPED':\r
+            if self._IsKeyword('RELOCS_STRIPPED') or self._IsKeyword('RELOCS_RETAINED'):\r
+                if self._FileCouldHaveRelocFlag(Obj.FvFileType) and self._SectionCouldHaveRelocFlag(DataSectionObj.SecType):\r
+                    if self._Token == 'RELOCS_STRIPPED':\r
                         DataSectionObj.KeepReloc = False\r
                     else:\r
                         DataSectionObj.KeepReloc = True\r
                 else:\r
                     raise Warning("File type %s, section type %s, could not have reloc strip flag%d" % (Obj.FvFileType, DataSectionObj.SecType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
-            if self.__IsToken("="):\r
-                if not self.__GetNextToken():\r
-                    raise Warning("expected section file path", self.FileName, self.CurrentLineNumber)\r
-                DataSectionObj.SectFileName = self.__Token\r
-                self.__VerifyFile(DataSectionObj.SectFileName)\r
+            if self._IsToken(TAB_EQUAL_SPLIT):\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("section file path", self.FileName, self.CurrentLineNumber)\r
+                DataSectionObj.SectFileName = self._Token\r
+                self._VerifyFile(DataSectionObj.SectFileName)\r
             else:\r
-                if not self.__GetCglSection(DataSectionObj):\r
+                if not self._GetCglSection(DataSectionObj):\r
                     return False\r
 \r
             Obj.SectionList.append(DataSectionObj)\r
 \r
         return True\r
 \r
-    ## __VerifyFile\r
+    ## _VerifyFile\r
     #\r
     #    Check if file exists or not:\r
     #      If current phase if GenFds, the file must exist;\r
     #      If current phase is AutoGen and the file is not in $(OUTPUT_DIRECTORY), the file must exist\r
     #    @param FileName: File path to be verified.\r
     #\r
-    def __VerifyFile(self, FileName):\r
-        if FileName.replace('$(WORKSPACE)', '').find('$') != -1:\r
+    def _VerifyFile(self, FileName):\r
+        if FileName.replace(TAB_WORKSPACE, '').find('$') != -1:\r
             return\r
-        if not GlobalData.gAutoGenPhase or not self.__GetMacroValue("OUTPUT_DIRECTORY") in FileName:\r
+        if not GlobalData.gAutoGenPhase or not self._GetMacroValue(TAB_DSC_DEFINES_OUTPUT_DIRECTORY) in FileName:\r
             ErrorCode, ErrorInfo = PathClass(NormPath(FileName), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
             if ErrorCode != 0:\r
                 EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
 \r
-    ## __GetCglSection() method\r
+    ## _GetCglSection() method\r
     #\r
     #   Get compressed or GUIDed section for Obj\r
     #\r
@@ -2856,45 +2951,41 @@ class FdfParser:
     #   @retval True        Successfully find section statement\r
     #   @retval False       Not able to find section statement\r
     #\r
-    def __GetCglSection(self, Obj, AlignValue = None):\r
+    def _GetCglSection(self, Obj, AlignValue = None):\r
 \r
-        if self.__IsKeyword( "COMPRESS"):\r
+        if self._IsKeyword("COMPRESS"):\r
             type = "PI_STD"\r
-            if self.__IsKeyword("PI_STD") or self.__IsKeyword("PI_NONE"):\r
-                type = self.__Token\r
+            if self._IsKeyword("PI_STD") or self._IsKeyword("PI_NONE"):\r
+                type = self._Token\r
 \r
-            if not self.__IsToken("{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-            CompressSectionObj = CompressSection.CompressSection()\r
+            CompressSectionObj = CompressSection()\r
             CompressSectionObj.Alignment = AlignValue\r
             CompressSectionObj.CompType = type\r
             # Recursive sections...\r
             while True:\r
-                IsLeafSection = self.__GetLeafSection(CompressSectionObj)\r
-                IsEncapSection = self.__GetEncapsulationSec(CompressSectionObj)\r
+                IsLeafSection = self._GetLeafSection(CompressSectionObj)\r
+                IsEncapSection = self._GetEncapsulationSec(CompressSectionObj)\r
                 if not IsLeafSection and not IsEncapSection:\r
                     break\r
 \r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
             Obj.SectionList.append(CompressSectionObj)\r
-\r
-#            else:\r
-#               raise Warning("Compress type not known")\r
-\r
             return True\r
 \r
-        elif self.__IsKeyword( "GUIDED"):\r
+        elif self._IsKeyword("GUIDED"):\r
             GuidValue = None\r
-            if self.__GetNextGuid():\r
-                GuidValue = self.__Token\r
+            if self._GetNextGuid():\r
+                GuidValue = self._Token\r
 \r
-            AttribDict = self.__GetGuidAttrib()\r
-            if not self.__IsToken("{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
-            GuidSectionObj = GuidSection.GuidSection()\r
+            AttribDict = self._GetGuidAttrib()\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
+            GuidSectionObj = GuidSection()\r
             GuidSectionObj.Alignment = AlignValue\r
             GuidSectionObj.NameGuid = GuidValue\r
             GuidSectionObj.SectionType = "GUIDED"\r
@@ -2903,57 +2994,56 @@ class FdfParser:
             GuidSectionObj.ExtraHeaderSize = AttribDict["EXTRA_HEADER_SIZE"]\r
             # Recursive sections...\r
             while True:\r
-                IsLeafSection = self.__GetLeafSection(GuidSectionObj)\r
-                IsEncapSection = self.__GetEncapsulationSec(GuidSectionObj)\r
+                IsLeafSection = self._GetLeafSection(GuidSectionObj)\r
+                IsEncapSection = self._GetEncapsulationSec(GuidSectionObj)\r
                 if not IsLeafSection and not IsEncapSection:\r
                     break\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
             Obj.SectionList.append(GuidSectionObj)\r
 \r
             return True\r
 \r
         return False\r
 \r
-    ## __GetGuidAttri() method\r
+    ## _GetGuidAttri() method\r
     #\r
     #   Get attributes for GUID section\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval AttribDict  Dictionary of key-value pair of section attributes\r
     #\r
-    def __GetGuidAttrib(self):\r
-\r
+    def _GetGuidAttrib(self):\r
         AttribDict = {}\r
         AttribDict["PROCESSING_REQUIRED"] = "NONE"\r
         AttribDict["AUTH_STATUS_VALID"] = "NONE"\r
         AttribDict["EXTRA_HEADER_SIZE"] = -1\r
-        while self.__IsKeyword("PROCESSING_REQUIRED") or self.__IsKeyword("AUTH_STATUS_VALID") \\r
-            or self.__IsKeyword("EXTRA_HEADER_SIZE"):\r
-            AttribKey = self.__Token\r
+        while self._IsKeyword("PROCESSING_REQUIRED") or self._IsKeyword("AUTH_STATUS_VALID") \\r
+            or self._IsKeyword("EXTRA_HEADER_SIZE"):\r
+            AttribKey = self._Token\r
 \r
-            if not self.__IsToken("="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected TRUE(1)/FALSE(0)/Number", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("TRUE(1)/FALSE(0)/Number", self.FileName, self.CurrentLineNumber)\r
             elif AttribKey == "EXTRA_HEADER_SIZE":\r
                 Base = 10\r
-                if self.__Token[0:2].upper() == "0X":\r
+                if self._Token[0:2].upper() == "0X":\r
                     Base = 16\r
                 try:\r
-                    AttribDict[AttribKey] = int(self.__Token, Base)\r
+                    AttribDict[AttribKey] = int(self._Token, Base)\r
                     continue\r
                 except ValueError:\r
-                    raise Warning("expected Number", self.FileName, self.CurrentLineNumber)\r
-            elif self.__Token.upper() not in ("TRUE", "FALSE", "1", "0"):\r
-                raise Warning("expected TRUE/FALSE (1/0)", self.FileName, self.CurrentLineNumber)\r
-            AttribDict[AttribKey] = self.__Token\r
+                    raise Warning.Expected("Number", self.FileName, self.CurrentLineNumber)\r
+            elif self._Token.upper() not in {"TRUE", "FALSE", "1", "0"}:\r
+                raise Warning.Expected("TRUE/FALSE (1/0)", self.FileName, self.CurrentLineNumber)\r
+            AttribDict[AttribKey] = self._Token\r
 \r
         return AttribDict\r
 \r
-    ## __GetEncapsulationSec() method\r
+    ## _GetEncapsulationSec() method\r
     #\r
     #   Get encapsulation section for FILE\r
     #\r
@@ -2962,28 +3052,107 @@ class FdfParser:
     #   @retval True        Successfully find section statement\r
     #   @retval False       Not able to find section statement\r
     #\r
-    def __GetEncapsulationSec(self, FfsFileObj):\r
-\r
+    def _GetEncapsulationSec(self, FfsFileObj):\r
         OldPos = self.GetFileBufferPos()\r
-        if not self.__IsKeyword( "SECTION"):\r
+        if not self._IsKeyword("SECTION"):\r
             if len(FfsFileObj.SectionList) == 0:\r
-                raise Warning("expected SECTION", self.FileName, self.CurrentLineNumber)\r
+                raise Warning.Expected("SECTION", self.FileName, self.CurrentLineNumber)\r
             else:\r
                 return False\r
 \r
         AlignValue = None\r
-        if self.__GetAlignment():\r
-            if self.__Token not in ("8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-            AlignValue = self.__Token\r
+        if self._GetAlignment():\r
+            if self._Token not in ALIGNMENT_NOAUTO:\r
+                raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+            AlignValue = self._Token\r
 \r
-        if not self.__GetCglSection(FfsFileObj, AlignValue):\r
+        if not self._GetCglSection(FfsFileObj, AlignValue):\r
             self.SetFileBufferPos(OldPos)\r
             return False\r
         else:\r
             return True\r
 \r
-    ## __GetCapsule() method\r
+    def _GetFmp(self):\r
+        if not self._GetNextToken():\r
+            return False\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[FMPPAYLOAD."):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
+            return False\r
+\r
+        self._UndoToken()\r
+        self._SkipToToken("[FMPPAYLOAD.", True)\r
+        FmpUiName = self._GetUiName().upper()\r
+        if FmpUiName in self.Profile.FmpPayloadDict:\r
+            raise Warning("Duplicated FMP UI name found: %s" % FmpUiName, self.FileName, self.CurrentLineNumber)\r
+\r
+        FmpData = CapsulePayload()\r
+        FmpData.UiName = FmpUiName\r
+\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken():\r
+            raise Warning("The FMP payload section is empty!", self.FileName, self.CurrentLineNumber)\r
+        FmpKeyList = ['IMAGE_HEADER_INIT_VERSION', 'IMAGE_TYPE_ID', 'IMAGE_INDEX', 'HARDWARE_INSTANCE', 'CERTIFICATE_GUID', 'MONOTONIC_COUNT']\r
+        while self._Token in FmpKeyList:\r
+            Name = self._Token\r
+            FmpKeyList.remove(Name)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if Name == 'IMAGE_TYPE_ID':\r
+                if not self._GetNextGuid():\r
+                    raise Warning.Expected("GUID value for IMAGE_TYPE_ID.", self.FileName, self.CurrentLineNumber)\r
+                FmpData.ImageTypeId = self._Token\r
+            elif Name == 'CERTIFICATE_GUID':\r
+                if not self._GetNextGuid():\r
+                    raise Warning.Expected("GUID value for CERTIFICATE_GUID.", self.FileName, self.CurrentLineNumber)\r
+                FmpData.Certificate_Guid = self._Token\r
+                if UUID(FmpData.Certificate_Guid) != EFI_CERT_TYPE_RSA2048_SHA256_GUID and UUID(FmpData.Certificate_Guid) != EFI_CERT_TYPE_PKCS7_GUID:\r
+                    raise Warning("Only support EFI_CERT_TYPE_RSA2048_SHA256_GUID or EFI_CERT_TYPE_PKCS7_GUID for CERTIFICATE_GUID.", self.FileName, self.CurrentLineNumber)\r
+            else:\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("value of %s" % Name, self.FileName, self.CurrentLineNumber)\r
+                Value = self._Token\r
+                if Name == 'IMAGE_HEADER_INIT_VERSION':\r
+                    if FdfParser._Verify(Name, Value, 'UINT8'):\r
+                        FmpData.Version = Value\r
+                elif Name == 'IMAGE_INDEX':\r
+                    if FdfParser._Verify(Name, Value, 'UINT8'):\r
+                        FmpData.ImageIndex = Value\r
+                elif Name == 'HARDWARE_INSTANCE':\r
+                    if FdfParser._Verify(Name, Value, 'UINT8'):\r
+                        FmpData.HardwareInstance = Value\r
+                elif Name == 'MONOTONIC_COUNT':\r
+                    if FdfParser._Verify(Name, Value, 'UINT64'):\r
+                        FmpData.MonotonicCount = Value\r
+                        if FmpData.MonotonicCount.upper().startswith('0X'):\r
+                            FmpData.MonotonicCount = int(FmpData.MonotonicCount, 16)\r
+                        else:\r
+                            FmpData.MonotonicCount = int(FmpData.MonotonicCount)\r
+            if not self._GetNextToken():\r
+                break\r
+        else:\r
+            self._UndoToken()\r
+\r
+        if (FmpData.MonotonicCount and not FmpData.Certificate_Guid) or (not FmpData.MonotonicCount and FmpData.Certificate_Guid):\r
+            EdkLogger.error("FdfParser", FORMAT_INVALID, "CERTIFICATE_GUID and MONOTONIC_COUNT must be work as a pair.")\r
+\r
+        # Only the IMAGE_TYPE_ID is required item\r
+        if FmpKeyList and 'IMAGE_TYPE_ID' in FmpKeyList:\r
+            raise Warning("'IMAGE_TYPE_ID' in FMP payload section.", self.FileName, self.CurrentLineNumber)\r
+        # get the Image file and Vendor code file\r
+        self._GetFMPCapsuleData(FmpData)\r
+        if not FmpData.ImageFile:\r
+            raise Warning("Missing image file in FMP payload section.", self.FileName, self.CurrentLineNumber)\r
+        # check whether more than one Vendor code file\r
+        if len(FmpData.VendorCodeFile) > 1:\r
+            raise Warning("Vendor code file max of 1 per FMP payload section.", self.FileName, self.CurrentLineNumber)\r
+        self.Profile.FmpPayloadDict[FmpUiName] = FmpData\r
+        return True\r
+\r
+    ## _GetCapsule() method\r
     #\r
     #   Get capsule section contents and store its data into capsule list of self.Profile\r
     #\r
@@ -2991,127 +3160,140 @@ class FdfParser:
     #   @retval True        Successfully find a capsule\r
     #   @retval False       Not able to find a capsule\r
     #\r
-    def __GetCapsule(self):\r
-\r
-        if not self.__GetNextToken():\r
+    def _GetCapsule(self):\r
+        if not self._GetNextToken():\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[CAPSULE."):\r
-            if not S.startswith("[VTF.") and not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
-                raise Warning("Unknown section or section appear sequence error (The correct sequence should be [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[CAPSULE."):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
             return False\r
 \r
-        self.__UndoToken()\r
-        if not self.__IsToken("[CAPSULE.", True):\r
+        self._UndoToken()\r
+        if not self._IsToken("[CAPSULE.", True):\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("expected [Capsule.]", self.FileName, self.CurrentLineNumber)\r
+            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
+            raise Warning.Expected("[Capsule.]", self.FileName, self.CurrentLineNumber)\r
 \r
-        CapsuleObj = Capsule.Capsule()\r
+        CapsuleObj = Capsule()\r
 \r
-        CapsuleName = self.__GetUiName()\r
+        CapsuleName = self._GetUiName()\r
         if not CapsuleName:\r
-            raise Warning("expected capsule name", self.FileName, self.CurrentLineNumber)\r
+            raise Warning.Expected("capsule name", self.FileName, self.CurrentLineNumber)\r
 \r
         CapsuleObj.UiCapsuleName = CapsuleName.upper()\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__IsKeyword("CREATE_FILE"):\r
-            if not self.__IsToken( "="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if self._IsKeyword("CREATE_FILE"):\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected file name", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("file name", self.FileName, self.CurrentLineNumber)\r
 \r
-            CapsuleObj.CreateFile = self.__Token\r
+            CapsuleObj.CreateFile = self._Token\r
 \r
-        self.__GetCapsuleStatements(CapsuleObj)\r
+        self._GetCapsuleStatements(CapsuleObj)\r
         self.Profile.CapsuleDict[CapsuleObj.UiCapsuleName] = CapsuleObj\r
         return True\r
 \r
-    ## __GetCapsuleStatements() method\r
+    ## _GetCapsuleStatements() method\r
     #\r
     #   Get statements for capsule\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom statements are got\r
     #\r
-    def __GetCapsuleStatements(self, Obj):\r
-        self.__GetCapsuleTokens(Obj)\r
-        self.__GetDefineStatements(Obj)\r
-        self.__GetSetStatements(Obj)\r
-        self.__GetCapsuleData(Obj)\r
+    def _GetCapsuleStatements(self, Obj):\r
+        self._GetCapsuleTokens(Obj)\r
+        self._GetDefineStatements(Obj)\r
+        self._GetSetStatements(Obj)\r
+        self._GetCapsuleData(Obj)\r
 \r
-    ## __GetCapsuleTokens() method\r
+    ## _GetCapsuleTokens() method\r
     #\r
     #   Get token statements for capsule\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom token statements are got\r
     #\r
-    def __GetCapsuleTokens(self, Obj):\r
-        if not self.__GetNextToken():\r
+    def _GetCapsuleTokens(self, Obj):\r
+        if not self._GetNextToken():\r
             return False\r
-        while self.__Token in ("CAPSULE_GUID", "CAPSULE_HEADER_SIZE", "CAPSULE_FLAGS", "OEM_CAPSULE_FLAGS"):\r
-            Name = self.__Token.strip()\r
-            if not self.__IsToken("="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected value", self.FileName, self.CurrentLineNumber)\r
+        while self._Token in {"CAPSULE_GUID", "CAPSULE_HEADER_SIZE", "CAPSULE_FLAGS", "OEM_CAPSULE_FLAGS", "CAPSULE_HEADER_INIT_VERSION"}:\r
+            Name = self._Token.strip()\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("value", self.FileName, self.CurrentLineNumber)\r
             if Name == 'CAPSULE_FLAGS':\r
-                if not self.__Token in ("PersistAcrossReset", "PopulateSystemTable", "InitiateReset"):\r
-                    raise Warning("expected PersistAcrossReset, PopulateSystemTable, or InitiateReset", self.FileName, self.CurrentLineNumber)\r
-                Value = self.__Token.strip()\r
-                while self.__IsToken(","):\r
-                    Value += ','\r
-                    if not self.__GetNextToken():\r
-                        raise Warning("expected value", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__Token in ("PersistAcrossReset", "PopulateSystemTable", "InitiateReset"):\r
-                        raise Warning("expected PersistAcrossReset, PopulateSystemTable, or InitiateReset", self.FileName, self.CurrentLineNumber)\r
-                    Value += self.__Token.strip()\r
+                if not self._Token in {"PersistAcrossReset", "PopulateSystemTable", "InitiateReset"}:\r
+                    raise Warning.Expected("PersistAcrossReset, PopulateSystemTable, or InitiateReset", self.FileName, self.CurrentLineNumber)\r
+                Value = self._Token.strip()\r
+                while self._IsToken(TAB_COMMA_SPLIT):\r
+                    Value += TAB_COMMA_SPLIT\r
+                    if not self._GetNextToken():\r
+                        raise Warning.Expected("value", self.FileName, self.CurrentLineNumber)\r
+                    if not self._Token in {"PersistAcrossReset", "PopulateSystemTable", "InitiateReset"}:\r
+                        raise Warning.Expected("PersistAcrossReset, PopulateSystemTable, or InitiateReset", self.FileName, self.CurrentLineNumber)\r
+                    Value += self._Token.strip()\r
             elif Name == 'OEM_CAPSULE_FLAGS':\r
-                Value = self.__Token.strip()\r
+                Value = self._Token.strip()\r
                 if not Value.upper().startswith('0X'):\r
-                    raise Warning("expected hex value between 0x0000 and 0xFFFF", self.FileName, self.CurrentLineNumber)\r
+                    raise Warning.Expected("hex value starting with 0x", self.FileName, self.CurrentLineNumber)\r
                 try:\r
                     Value = int(Value, 0)\r
                 except ValueError:\r
-                    raise Warning("expected hex value between 0x0000 and 0xFFFF", self.FileName, self.CurrentLineNumber)\r
+                    raise Warning.Expected("hex string failed to convert to value", self.FileName, self.CurrentLineNumber)\r
                 if not 0x0000 <= Value <= 0xFFFF:\r
-                    raise Warning("expected hex value between 0x0000 and 0xFFFF", self.FileName, self.CurrentLineNumber)\r
-                Value = self.__Token.strip()\r
+                    raise Warning.Expected("hex value between 0x0000 and 0xFFFF", self.FileName, self.CurrentLineNumber)\r
+                Value = self._Token.strip()\r
             else:\r
-                Value = self.__Token.strip()\r
-            Obj.TokensDict[Name] = Value  \r
-            if not self.__GetNextToken():\r
+                Value = self._Token.strip()\r
+            Obj.TokensDict[Name] = Value\r
+            if not self._GetNextToken():\r
                 return False\r
-        self.__UndoToken()\r
+        self._UndoToken()\r
 \r
-    ## __GetCapsuleData() method\r
+    ## _GetCapsuleData() method\r
     #\r
     #   Get capsule data for capsule\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  Obj         for whom capsule data are got\r
     #\r
-    def __GetCapsuleData(self, Obj):\r
+    def _GetCapsuleData(self, Obj):\r
+        while True:\r
+            IsInf = self._GetInfStatement(Obj, True)\r
+            IsFile = self._GetFileStatement(Obj, True)\r
+            IsFv = self._GetFvStatement(Obj)\r
+            IsFd = self._GetFdStatement(Obj)\r
+            IsAnyFile = self._GetAnyFileStatement(Obj)\r
+            IsAfile = self._GetAfileStatement(Obj)\r
+            IsFmp = self._GetFmpStatement(Obj)\r
+            if not (IsInf or IsFile or IsFv or IsFd or IsAnyFile or IsAfile or IsFmp):\r
+                break\r
 \r
+    ## _GetFMPCapsuleData() method\r
+    #\r
+    #   Get capsule data for FMP capsule\r
+    #\r
+    #   @param  self        The object pointer\r
+    #   @param  Obj         for whom capsule data are got\r
+    #\r
+    def _GetFMPCapsuleData(self, Obj):\r
         while True:\r
-            IsInf = self.__GetInfStatement(Obj, True)\r
-            IsFile = self.__GetFileStatement(Obj, True)\r
-            IsFv = self.__GetFvStatement(Obj)\r
-            IsFd = self.__GetFdStatement(Obj)\r
-            IsAnyFile = self.__GetAnyFileStatement(Obj)\r
-            IsAfile = self.__GetAfileStatement(Obj)\r
-            if not (IsInf or IsFile or IsFv or IsFd or IsAnyFile or IsAfile):\r
+            IsFv = self._GetFvStatement(Obj, True)\r
+            IsFd = self._GetFdStatement(Obj, True)\r
+            IsAnyFile = self._GetAnyFileStatement(Obj, True)\r
+            if not (IsFv or IsFd or IsAnyFile):\r
                 break\r
 \r
-    ## __GetFvStatement() method\r
+    ## _GetFvStatement() method\r
     #\r
     #   Get FV for capsule\r
     #\r
@@ -3120,26 +3302,31 @@ class FdfParser:
     #   @retval True        Successfully find a FV statement\r
     #   @retval False       Not able to find a FV statement\r
     #\r
-    def __GetFvStatement(self, CapsuleObj):\r
-\r
-        if not self.__IsKeyword("FV"):\r
+    def _GetFvStatement(self, CapsuleObj, FMPCapsule = False):\r
+        if not self._IsKeyword(BINARY_FILE_TYPE_FV):\r
             return False\r
 \r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected FV name", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("FV name", self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__Token.upper() not in self.Profile.FvDict.keys():\r
+        if self._Token.upper() not in self.Profile.FvDict:\r
             raise Warning("FV name does not exist", self.FileName, self.CurrentLineNumber)\r
 \r
-        CapsuleFv = CapsuleData.CapsuleFv()\r
-        CapsuleFv.FvName = self.__Token\r
-        CapsuleObj.CapsuleDataList.append(CapsuleFv)\r
+        myCapsuleFv = CapsuleFv()\r
+        myCapsuleFv.FvName = self._Token\r
+        if FMPCapsule:\r
+            if not CapsuleObj.ImageFile:\r
+                CapsuleObj.ImageFile.append(myCapsuleFv)\r
+            else:\r
+                CapsuleObj.VendorCodeFile.append(myCapsuleFv)\r
+        else:\r
+            CapsuleObj.CapsuleDataList.append(myCapsuleFv)\r
         return True\r
 \r
-    ## __GetFdStatement() method\r
+    ## _GetFdStatement() method\r
     #\r
     #   Get FD for capsule\r
     #\r
@@ -3148,26 +3335,73 @@ class FdfParser:
     #   @retval True        Successfully find a FD statement\r
     #   @retval False       Not able to find a FD statement\r
     #\r
-    def __GetFdStatement(self, CapsuleObj):\r
-\r
-        if not self.__IsKeyword("FD"):\r
+    def _GetFdStatement(self, CapsuleObj, FMPCapsule = False):\r
+        if not self._IsKeyword("FD"):\r
             return False\r
 \r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected FD name", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("FD name", self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__Token.upper() not in self.Profile.FdDict.keys():\r
+        if self._Token.upper() not in self.Profile.FdDict:\r
             raise Warning("FD name does not exist", self.FileName, self.CurrentLineNumber)\r
 \r
-        CapsuleFd = CapsuleData.CapsuleFd()\r
-        CapsuleFd.FdName = self.__Token\r
-        CapsuleObj.CapsuleDataList.append(CapsuleFd)\r
+        myCapsuleFd = CapsuleFd()\r
+        myCapsuleFd.FdName = self._Token\r
+        if FMPCapsule:\r
+            if not CapsuleObj.ImageFile:\r
+                CapsuleObj.ImageFile.append(myCapsuleFd)\r
+            else:\r
+                CapsuleObj.VendorCodeFile.append(myCapsuleFd)\r
+        else:\r
+            CapsuleObj.CapsuleDataList.append(myCapsuleFd)\r
         return True\r
 \r
-    ## __GetAnyFileStatement() method\r
+    def _GetFmpStatement(self, CapsuleObj):\r
+        if not self._IsKeyword("FMP_PAYLOAD"):\r
+            if not self._IsKeyword("FMP"):\r
+                return False\r
+\r
+            if not self._IsKeyword("PAYLOAD"):\r
+                self._UndoToken()\r
+                return False\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("payload name after FMP_PAYLOAD =", self.FileName, self.CurrentLineNumber)\r
+        Payload = self._Token.upper()\r
+        if Payload not in self.Profile.FmpPayloadDict:\r
+            raise Warning("This FMP Payload does not exist: %s" % self._Token, self.FileName, self.CurrentLineNumber)\r
+        CapsuleObj.FmpPayloadList.append(self.Profile.FmpPayloadDict[Payload])\r
+        return True\r
+\r
+    def _ParseRawFileStatement(self):\r
+        if not self._IsKeyword("FILE"):\r
+            return None\r
+\r
+        if not self._IsKeyword("DATA"):\r
+            self._UndoToken()\r
+            return None\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("File name", self.FileName, self.CurrentLineNumber)\r
+\r
+        AnyFileName = self._Token\r
+        self._VerifyFile(AnyFileName)\r
+\r
+        if not os.path.isabs(AnyFileName):\r
+            AnyFileName = mws.join(GenFdsGlobalVariable.WorkSpaceDir, AnyFileName)\r
+\r
+        return AnyFileName\r
+\r
+    ## _GetAnyFileStatement() method\r
     #\r
     #   Get AnyFile for capsule\r
     #\r
@@ -3176,32 +3410,23 @@ class FdfParser:
     #   @retval True        Successfully find a Anyfile statement\r
     #   @retval False       Not able to find a AnyFile statement\r
     #\r
-    def __GetAnyFileStatement(self, CapsuleObj):\r
-\r
-        if not self.__IsKeyword("FILE"):\r
-            return False\r
-\r
-        if not self.__IsKeyword("DATA"):\r
-            self.__UndoToken()\r
+    def _GetAnyFileStatement(self, CapsuleObj, FMPCapsule = False):\r
+        AnyFileName = self._ParseRawFileStatement()\r
+        if not AnyFileName:\r
             return False\r
 \r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected File name", self.FileName, self.CurrentLineNumber)\r
-        \r
-        AnyFileName = self.__Token\r
-        AnyFileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(AnyFileName)\r
-        if not os.path.exists(AnyFileName):\r
-            raise Warning("File %s not exists"%AnyFileName, self.FileName, self.CurrentLineNumber)\r
-\r
-        CapsuleAnyFile = CapsuleData.CapsuleAnyFile()\r
-        CapsuleAnyFile.FileName = AnyFileName\r
-        CapsuleObj.CapsuleDataList.append(CapsuleAnyFile)\r
+        myCapsuleAnyFile = CapsuleAnyFile()\r
+        myCapsuleAnyFile.FileName = AnyFileName\r
+        if FMPCapsule:\r
+            if not CapsuleObj.ImageFile:\r
+                CapsuleObj.ImageFile.append(myCapsuleAnyFile)\r
+            else:\r
+                CapsuleObj.VendorCodeFile.append(myCapsuleAnyFile)\r
+        else:\r
+            CapsuleObj.CapsuleDataList.append(myCapsuleAnyFile)\r
         return True\r
-    \r
-    ## __GetAfileStatement() method\r
+\r
+    ## _GetAfileStatement() method\r
     #\r
     #   Get Afile for capsule\r
     #\r
@@ -3210,39 +3435,38 @@ class FdfParser:
     #   @retval True        Successfully find a Afile statement\r
     #   @retval False       Not able to find a Afile statement\r
     #\r
-    def __GetAfileStatement(self, CapsuleObj):\r
-\r
-        if not self.__IsKeyword("APPEND"):\r
+    def _GetAfileStatement(self, CapsuleObj):\r
+        if not self._IsKeyword("APPEND"):\r
             return False\r
 \r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Afile name", self.FileName, self.CurrentLineNumber)\r
-        \r
-        AfileName = self.__Token\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("Afile name", self.FileName, self.CurrentLineNumber)\r
+\r
+        AfileName = self._Token\r
         AfileBaseName = os.path.basename(AfileName)\r
-        \r
-        if os.path.splitext(AfileBaseName)[1]  not in [".bin",".BIN",".Bin",".dat",".DAT",".Dat",".data",".DATA",".Data"]:\r
-            raise Warning('invalid binary file type, should be one of "bin","BIN","Bin","dat","DAT","Dat","data","DATA","Data"', \\r
+\r
+        if os.path.splitext(AfileBaseName)[1]  not in {".bin", ".BIN", ".Bin", ".dat", ".DAT", ".Dat", ".data", ".DATA", ".Data"}:\r
+            raise Warning('invalid binary file type, should be one of "bin",BINARY_FILE_TYPE_BIN,"Bin","dat","DAT","Dat","data","DATA","Data"', \\r
                           self.FileName, self.CurrentLineNumber)\r
-        \r
+\r
         if not os.path.isabs(AfileName):\r
             AfileName = GenFdsGlobalVariable.ReplaceWorkspaceMacro(AfileName)\r
-            self.__VerifyFile(AfileName)\r
+            self._VerifyFile(AfileName)\r
         else:\r
             if not os.path.exists(AfileName):\r
                 raise Warning('%s does not exist' % AfileName, self.FileName, self.CurrentLineNumber)\r
             else:\r
                 pass\r
 \r
-        CapsuleAfile = CapsuleData.CapsuleAfile()\r
-        CapsuleAfile.FileName = AfileName\r
-        CapsuleObj.CapsuleDataList.append(CapsuleAfile)\r
+        myCapsuleAfile = CapsuleAfile()\r
+        myCapsuleAfile.FileName = AfileName\r
+        CapsuleObj.CapsuleDataList.append(myCapsuleAfile)\r
         return True\r
 \r
-    ## __GetRule() method\r
+    ## _GetRule() method\r
     #\r
     #   Get Rule section contents and store its data into rule list of self.Profile\r
     #\r
@@ -3250,146 +3474,157 @@ class FdfParser:
     #   @retval True        Successfully find a Rule\r
     #   @retval False       Not able to find a Rule\r
     #\r
-    def __GetRule(self):\r
-\r
-        if not self.__GetNextToken():\r
+    def _GetRule(self):\r
+        if not self._GetNextToken():\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[RULE."):\r
-            if not S.startswith("[OPTIONROM."):\r
-                raise Warning("Unknown section or section appear sequence error (The correct sequence should be [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[RULE."):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
             return False\r
-        self.__UndoToken()\r
-        if not self.__IsToken("[Rule.", True):\r
+        self._UndoToken()\r
+        if not self._IsToken("[Rule.", True):\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("expected [Rule.]", self.FileName, self.CurrentLineNumber)\r
+            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine:], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
+            raise Warning.Expected("[Rule.]", self.FileName, self.CurrentLineNumber)\r
 \r
-        if not self.__SkipToToken("."):\r
-            raise Warning("expected '.'", self.FileName, self.CurrentLineNumber)\r
+        if not self._SkipToToken(TAB_SPLIT):\r
+            raise Warning.Expected("'.'", self.FileName, self.CurrentLineNumber)\r
 \r
-        Arch = self.__SkippedChars.rstrip(".")\r
-        if Arch.upper() not in ("IA32", "X64", "IPF", "EBC", "ARM", "AARCH64", "COMMON"):\r
+        Arch = self._SkippedChars.rstrip(TAB_SPLIT)\r
+        if Arch.upper() not in ARCH_SET_FULL:\r
             raise Warning("Unknown Arch '%s'" % Arch, self.FileName, self.CurrentLineNumber)\r
 \r
-        ModuleType = self.__GetModuleType()\r
+        ModuleType = self._GetModuleType()\r
 \r
         TemplateName = ""\r
-        if self.__IsToken("."):\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected template name", self.FileName, self.CurrentLineNumber)\r
-            TemplateName = self.__Token\r
+        if self._IsToken(TAB_SPLIT):\r
+            if not self._GetNextWord():\r
+                raise Warning.Expected("template name", self.FileName, self.CurrentLineNumber)\r
+            TemplateName = self._Token\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        RuleObj = self.__GetRuleFileStatements()\r
+        RuleObj = self._GetRuleFileStatements()\r
         RuleObj.Arch = Arch.upper()\r
         RuleObj.ModuleType = ModuleType\r
         RuleObj.TemplateName = TemplateName\r
-        if TemplateName == '' :\r
+        if TemplateName == '':\r
             self.Profile.RuleDict['RULE'             + \\r
-                              '.'                    + \\r
+                              TAB_SPLIT              + \\r
                               Arch.upper()           + \\r
-                              '.'                    + \\r
+                              TAB_SPLIT              + \\r
                               ModuleType.upper()     ] = RuleObj\r
-        else :\r
+        else:\r
             self.Profile.RuleDict['RULE'             + \\r
-                              '.'                    + \\r
+                              TAB_SPLIT              + \\r
                               Arch.upper()           + \\r
-                              '.'                    + \\r
+                              TAB_SPLIT              + \\r
                               ModuleType.upper()     + \\r
-                              '.'                    + \\r
+                              TAB_SPLIT              + \\r
                               TemplateName.upper() ] = RuleObj\r
-#        self.Profile.RuleList.append(rule)\r
         return True\r
 \r
-    ## __GetModuleType() method\r
+    ## _GetModuleType() method\r
     #\r
     #   Return the module type\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval string      module type\r
     #\r
-    def __GetModuleType(self):\r
-\r
-        if not self.__GetNextWord():\r
-            raise Warning("expected Module type", self.FileName, self.CurrentLineNumber)\r
-        if self.__Token.upper() not in ("SEC", "PEI_CORE", "PEIM", "DXE_CORE", \\r
-                             "DXE_DRIVER", "DXE_SAL_DRIVER", \\r
-                             "DXE_SMM_DRIVER", "DXE_RUNTIME_DRIVER", \\r
-                             "UEFI_DRIVER", "UEFI_APPLICATION", "USER_DEFINED", "DEFAULT", "BASE", \\r
-                             "SECURITY_CORE", "COMBINED_PEIM_DRIVER", "PIC_PEIM", "RELOCATABLE_PEIM", \\r
-                             "PE32_PEIM", "BS_DRIVER", "RT_DRIVER", "SAL_RT_DRIVER", "APPLICATION", "ACPITABLE", "SMM_CORE"):\r
-            raise Warning("Unknown Module type '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        return self.__Token\r
-\r
-    ## __GetFileExtension() method\r
+    def _GetModuleType(self):\r
+        if not self._GetNextWord():\r
+            raise Warning.Expected("Module type", self.FileName, self.CurrentLineNumber)\r
+        if self._Token.upper() not in {\r
+                SUP_MODULE_SEC, SUP_MODULE_PEI_CORE, SUP_MODULE_PEIM,\r
+                SUP_MODULE_DXE_CORE, SUP_MODULE_DXE_DRIVER,\r
+                SUP_MODULE_DXE_SAL_DRIVER, SUP_MODULE_DXE_SMM_DRIVER,\r
+                SUP_MODULE_DXE_RUNTIME_DRIVER, SUP_MODULE_UEFI_DRIVER,\r
+                SUP_MODULE_UEFI_APPLICATION, SUP_MODULE_USER_DEFINED,\r
+                TAB_DEFAULT, SUP_MODULE_BASE,\r
+                EDK_COMPONENT_TYPE_SECURITY_CORE,\r
+                EDK_COMPONENT_TYPE_COMBINED_PEIM_DRIVER,\r
+                EDK_COMPONENT_TYPE_PIC_PEIM,\r
+                EDK_COMPONENT_TYPE_RELOCATABLE_PEIM, "PE32_PEIM",\r
+                EDK_COMPONENT_TYPE_BS_DRIVER, EDK_COMPONENT_TYPE_RT_DRIVER,\r
+                EDK_COMPONENT_TYPE_SAL_RT_DRIVER,\r
+                EDK_COMPONENT_TYPE_APPLICATION, "ACPITABLE",\r
+                SUP_MODULE_SMM_CORE, SUP_MODULE_MM_STANDALONE,\r
+                SUP_MODULE_MM_CORE_STANDALONE}:\r
+            raise Warning("Unknown Module type '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+        return self._Token\r
+\r
+    ## _GetFileExtension() method\r
     #\r
     #   Return the file extension\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval string      file name extension\r
     #\r
-    def __GetFileExtension(self):\r
-        if not self.__IsToken("."):\r
-                raise Warning("expected '.'", self.FileName, self.CurrentLineNumber)\r
+    def _GetFileExtension(self):\r
+        if not self._IsToken(TAB_SPLIT):\r
+            raise Warning.Expected("'.'", self.FileName, self.CurrentLineNumber)\r
 \r
         Ext = ""\r
-        if self.__GetNextToken():\r
-            Pattern = re.compile(r'([a-zA-Z][a-zA-Z0-9]*)')\r
-            if Pattern.match(self.__Token):\r
-                Ext = self.__Token\r
-                return '.' + Ext\r
+        if self._GetNextToken():\r
+            if FileExtensionPattern.match(self._Token):\r
+                Ext = self._Token\r
+                return TAB_SPLIT + Ext\r
             else:\r
-                raise Warning("Unknown file extension '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
+                raise Warning("Unknown file extension '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
 \r
         else:\r
-            raise Warning("expected file extension", self.FileName, self.CurrentLineNumber)\r
+            raise Warning.Expected("file extension", self.FileName, self.CurrentLineNumber)\r
 \r
-    ## __GetRuleFileStatement() method\r
+    ## _GetRuleFileStatement() method\r
     #\r
     #   Get rule contents\r
     #\r
     #   @param  self        The object pointer\r
     #   @retval Rule        Rule object\r
     #\r
-    def __GetRuleFileStatements(self):\r
-\r
-        if not self.__IsKeyword("FILE"):\r
-            raise Warning("expected FILE", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextWord():\r
-            raise Warning("expected FFS type", self.FileName, self.CurrentLineNumber)\r
-\r
-        Type = self.__Token.strip().upper()\r
-        if Type not in ("RAW", "FREEFORM", "SEC", "PEI_CORE", "PEIM",\\r
-                             "PEI_DXE_COMBO", "DRIVER", "DXE_CORE", "APPLICATION", "FV_IMAGE", "SMM", "SMM_CORE"):\r
-            raise Warning("Unknown FV type '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+    def _GetRuleFileStatements(self):\r
+        if not self._IsKeyword("FILE"):\r
+            raise Warning.Expected("FILE", self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._GetNextWord():\r
+            raise Warning.Expected("FFS type", self.FileName, self.CurrentLineNumber)\r
+\r
+        Type = self._Token.strip().upper()\r
+        if Type not in {"RAW", "FREEFORM", SUP_MODULE_SEC, SUP_MODULE_PEI_CORE, SUP_MODULE_PEIM,\r
+                        "PEI_DXE_COMBO", "DRIVER", SUP_MODULE_DXE_CORE, EDK_COMPONENT_TYPE_APPLICATION,\r
+                        "FV_IMAGE", "SMM", SUP_MODULE_SMM_CORE, SUP_MODULE_MM_STANDALONE,\r
+                        SUP_MODULE_MM_CORE_STANDALONE}:\r
+            raise Warning("Unknown FV type '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._IsToken(TAB_EQUAL_SPLIT):\r
+            raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+\r
+        if not self._IsKeyword("$(NAMED_GUID)"):\r
+            if not self._GetNextWord():\r
+                NamedGuid = self._CurrentLine()[self.CurrentOffsetWithinLine:].split()[0].strip()\r
+                if GlobalData.gGuidPatternEnd.match(NamedGuid):\r
+                    self.CurrentOffsetWithinLine += len(NamedGuid)\r
+                    self._Token = NamedGuid\r
+                else:\r
+                    raise Warning.Expected("$(NAMED_GUID)", self.FileName, self.CurrentLineNumber)\r
+            if self._Token == 'PCD':\r
+                if not self._IsToken("("):\r
+                    raise Warning.Expected("'('", self.FileName, self.CurrentLineNumber)\r
+                PcdPair = self._GetNextPcdSettings()\r
+                if not self._IsToken(")"):\r
+                    raise Warning.Expected("')'", self.FileName, self.CurrentLineNumber)\r
+                self._Token = 'PCD('+PcdPair[1]+TAB_SPLIT+PcdPair[0]+')'\r
 \r
-        if not self.__IsKeyword("$(NAMED_GUID)"):\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected $(NAMED_GUID)", self.FileName, self.CurrentLineNumber)\r
-            if self.__Token == 'PCD':\r
-                if not self.__IsToken( "("):\r
-                    raise Warning("expected '('", self.FileName, self.CurrentLineNumber)\r
-                PcdPair = self.__GetNextPcdName()\r
-                if not self.__IsToken( ")"):\r
-                    raise Warning("expected ')'", self.FileName, self.CurrentLineNumber)\r
-                self.__Token = 'PCD('+PcdPair[1]+'.'+PcdPair[0]+')'\r
-            \r
-        NameGuid = self.__Token\r
+        NameGuid = self._Token\r
 \r
         KeepReloc = None\r
-        if self.__IsKeyword('RELOCS_STRIPPED') or self.__IsKeyword('RELOCS_RETAINED'):\r
-            if self.__FileCouldHaveRelocFlag(Type):\r
-                if self.__Token == 'RELOCS_STRIPPED':\r
+        if self._IsKeyword('RELOCS_STRIPPED') or self._IsKeyword('RELOCS_RETAINED'):\r
+            if self._FileCouldHaveRelocFlag(Type):\r
+                if self._Token == 'RELOCS_STRIPPED':\r
                     KeepReloc = False\r
                 else:\r
                     KeepReloc = True\r
@@ -3397,110 +3632,113 @@ class FdfParser:
                 raise Warning("File type %s could not have reloc strip flag%d" % (Type, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
         KeyStringList = []\r
-        if self.__GetNextToken():\r
-            Pattern = re.compile(r'([a-zA-Z0-9\-]+|\$\(TARGET\)|\*)_([a-zA-Z0-9\-]+|\$\(TOOL_CHAIN_TAG\)|\*)_([a-zA-Z0-9\-]+|\$\(ARCH\)|\*)')\r
-            if Pattern.match(self.__Token):\r
-                KeyStringList.append(self.__Token)\r
-                if self.__IsToken(","):\r
-                    while self.__GetNextToken():\r
-                        if not Pattern.match(self.__Token):\r
-                            raise Warning("expected KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
-                        KeyStringList.append(self.__Token)\r
-\r
-                        if not self.__IsToken(","):\r
+        if self._GetNextToken():\r
+            if TokenFindPattern.match(self._Token):\r
+                KeyStringList.append(self._Token)\r
+                if self._IsToken(TAB_COMMA_SPLIT):\r
+                    while self._GetNextToken():\r
+                        if not TokenFindPattern.match(self._Token):\r
+                            raise Warning.Expected("KeyString \"Target_Tag_Arch\"", self.FileName, self.CurrentLineNumber)\r
+                        KeyStringList.append(self._Token)\r
+\r
+                        if not self._IsToken(TAB_COMMA_SPLIT):\r
                             break\r
 \r
             else:\r
-                self.__UndoToken()\r
+                self._UndoToken()\r
 \r
 \r
         Fixed = False\r
-        if self.__IsKeyword("Fixed", True):\r
+        if self._IsKeyword("Fixed", True):\r
             Fixed = True\r
 \r
         CheckSum = False\r
-        if self.__IsKeyword("CheckSum", True):\r
+        if self._IsKeyword("CheckSum", True):\r
             CheckSum = True\r
 \r
         AlignValue = ""\r
-        if self.__GetAlignment():\r
-            if self.__Token not in ("Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
+        if self._GetAlignment():\r
+            if self._Token not in ALIGNMENTS:\r
+                raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
             #For FFS, Auto is default option same to ""\r
-            if not self.__Token == "Auto":\r
-                AlignValue = self.__Token\r
+            if not self._Token == "Auto":\r
+                AlignValue = self._Token\r
 \r
-        if self.__IsToken("{"):\r
+        if self._IsToken("{"):\r
             # Complex file rule expected\r
-            Rule = RuleComplexFile.RuleComplexFile()\r
-            Rule.FvFileType = Type\r
-            Rule.NameGuid = NameGuid\r
-            Rule.Alignment = AlignValue\r
-            Rule.CheckSum = CheckSum\r
-            Rule.Fixed = Fixed\r
-            Rule.KeyStringList = KeyStringList\r
-            if KeepReloc != None:\r
-                Rule.KeepReloc = KeepReloc\r
+            NewRule = RuleComplexFile()\r
+            NewRule.FvFileType = Type\r
+            NewRule.NameGuid = NameGuid\r
+            NewRule.Alignment = AlignValue\r
+            NewRule.CheckSum = CheckSum\r
+            NewRule.Fixed = Fixed\r
+            NewRule.KeyStringList = KeyStringList\r
+            if KeepReloc is not None:\r
+                NewRule.KeepReloc = KeepReloc\r
 \r
             while True:\r
-                IsEncapsulate = self.__GetRuleEncapsulationSection(Rule)\r
-                IsLeaf = self.__GetEfiSection(Rule)\r
+                IsEncapsulate = self._GetRuleEncapsulationSection(NewRule)\r
+                IsLeaf = self._GetEfiSection(NewRule)\r
                 if not IsEncapsulate and not IsLeaf:\r
                     break\r
 \r
-            if not self.__IsToken("}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
 \r
-            return Rule\r
+            return NewRule\r
 \r
         else:\r
             # Simple file rule expected\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected leaf section type", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextWord():\r
+                raise Warning.Expected("leaf section type", self.FileName, self.CurrentLineNumber)\r
 \r
-            SectionName = self.__Token\r
+            SectionName = self._Token\r
 \r
-            if SectionName not in ("COMPAT16", "PE32", "PIC", "TE", "FV_IMAGE", "RAW", "DXE_DEPEX",\\r
-                                    "UI", "PEI_DEPEX", "VERSION", "SUBTYPE_GUID", "SMM_DEPEX"):\r
+            if SectionName not in {\r
+                    "COMPAT16", BINARY_FILE_TYPE_PE32,\r
+                    BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_TE, "FV_IMAGE",\r
+                    "RAW",BINARY_FILE_TYPE_DXE_DEPEX, BINARY_FILE_TYPE_UI,\r
+                    BINARY_FILE_TYPE_PEI_DEPEX, "VERSION", "SUBTYPE_GUID",\r
+                    BINARY_FILE_TYPE_SMM_DEPEX}:\r
                 raise Warning("Unknown leaf section name '%s'" % SectionName, self.FileName, self.CurrentLineNumber)\r
 \r
 \r
-            if self.__IsKeyword("Fixed", True):\r
+            if self._IsKeyword("Fixed", True):\r
                 Fixed = True\r
 \r
-            if self.__IsKeyword("CheckSum", True):\r
+            if self._IsKeyword("CheckSum", True):\r
                 CheckSum = True\r
 \r
             SectAlignment = ""\r
-            if self.__GetAlignment():\r
-                if self.__Token not in ("Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                    raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-                if self.__Token == 'Auto' and (not SectionName == 'PE32') and (not SectionName == 'TE'):\r
+            if self._GetAlignment():\r
+                if self._Token not in ALIGNMENTS:\r
+                    raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+                if self._Token == 'Auto' and (not SectionName == BINARY_FILE_TYPE_PE32) and (not SectionName == BINARY_FILE_TYPE_TE):\r
                     raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-                SectAlignment = self.__Token\r
+                SectAlignment = self._Token\r
 \r
             Ext = None\r
-            if self.__IsToken('|'):\r
-                Ext = self.__GetFileExtension()\r
-            elif not self.__GetNextToken():\r
-                raise Warning("expected File name", self.FileName, self.CurrentLineNumber)\r
-\r
-            Rule = RuleSimpleFile.RuleSimpleFile()\r
-            Rule.SectionType = SectionName\r
-            Rule.FvFileType = Type\r
-            Rule.NameGuid = NameGuid\r
-            Rule.Alignment = AlignValue\r
-            Rule.SectAlignment = SectAlignment\r
-            Rule.CheckSum = CheckSum\r
-            Rule.Fixed = Fixed\r
-            Rule.KeyStringList = KeyStringList\r
-            if KeepReloc != None:\r
-                Rule.KeepReloc = KeepReloc\r
-            Rule.FileExtension = Ext\r
-            Rule.FileName = self.__Token\r
-            return Rule\r
-\r
-    ## __GetEfiSection() method\r
+            if self._IsToken(TAB_VALUE_SPLIT):\r
+                Ext = self._GetFileExtension()\r
+            elif not self._GetNextToken():\r
+                raise Warning.Expected("File name", self.FileName, self.CurrentLineNumber)\r
+\r
+            NewRule = RuleSimpleFile()\r
+            NewRule.SectionType = SectionName\r
+            NewRule.FvFileType = Type\r
+            NewRule.NameGuid = NameGuid\r
+            NewRule.Alignment = AlignValue\r
+            NewRule.SectAlignment = SectAlignment\r
+            NewRule.CheckSum = CheckSum\r
+            NewRule.Fixed = Fixed\r
+            NewRule.KeyStringList = KeyStringList\r
+            if KeepReloc is not None:\r
+                NewRule.KeepReloc = KeepReloc\r
+            NewRule.FileExtension = Ext\r
+            NewRule.FileName = self._Token\r
+            return NewRule\r
+\r
+    ## _GetEfiSection() method\r
     #\r
     #   Get section list for Rule\r
     #\r
@@ -3509,208 +3747,231 @@ class FdfParser:
     #   @retval True        Successfully find section statement\r
     #   @retval False       Not able to find section statement\r
     #\r
-    def __GetEfiSection(self, Obj):\r
-\r
+    def _GetEfiSection(self, Obj):\r
         OldPos = self.GetFileBufferPos()\r
-        if not self.__GetNextWord():\r
-            return False\r
-        SectionName = self.__Token\r
-\r
-        if SectionName not in ("COMPAT16", "PE32", "PIC", "TE", "FV_IMAGE", "RAW", "DXE_DEPEX",\\r
-                               "UI", "VERSION", "PEI_DEPEX", "GUID", "SMM_DEPEX"):\r
-            self.__UndoToken()\r
+        EfiSectionObj = EfiSection()\r
+        if not self._GetNextWord():\r
+            CurrentLine = self._CurrentLine()[self.CurrentOffsetWithinLine:].split()[0].strip()\r
+            if self._Token == '{' and Obj.FvFileType == "RAW" and TAB_SPLIT in CurrentLine:\r
+                if self._IsToken(TAB_VALUE_SPLIT):\r
+                    EfiSectionObj.FileExtension = self._GetFileExtension()\r
+                elif self._GetNextToken():\r
+                    EfiSectionObj.FileName = self._Token\r
+                EfiSectionObj.SectionType = BINARY_FILE_TYPE_RAW\r
+                Obj.SectionList.append(EfiSectionObj)\r
+                return True\r
+            else:\r
+                return False\r
+        SectionName = self._Token\r
+\r
+        if SectionName not in {\r
+                    "COMPAT16", BINARY_FILE_TYPE_PE32,\r
+                    BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_TE, "FV_IMAGE",\r
+                    "RAW",BINARY_FILE_TYPE_DXE_DEPEX, BINARY_FILE_TYPE_UI,\r
+                    BINARY_FILE_TYPE_PEI_DEPEX, "VERSION", "SUBTYPE_GUID",\r
+                    BINARY_FILE_TYPE_SMM_DEPEX, BINARY_FILE_TYPE_GUID}:\r
+            self._UndoToken()\r
             return False\r
 \r
         if SectionName == "FV_IMAGE":\r
-            FvImageSectionObj = FvImageSection.FvImageSection()\r
-            if self.__IsKeyword("FV_IMAGE"):\r
+            FvImageSectionObj = FvImageSection()\r
+            if self._IsKeyword("FV_IMAGE"):\r
                 pass\r
-            if self.__IsToken( "{"):\r
-                FvObj = Fv.FV()\r
-                self.__GetDefineStatements(FvObj)\r
-                self.__GetBlockStatement(FvObj)\r
-                self.__GetSetStatements(FvObj)\r
-                self.__GetFvAlignment(FvObj)\r
-                self.__GetFvAttributes(FvObj)\r
-                self.__GetAprioriSection(FvObj)\r
-                self.__GetAprioriSection(FvObj)\r
+            if self._IsToken("{"):\r
+                FvObj = FV()\r
+                self._GetDefineStatements(FvObj)\r
+                self._GetBlockStatement(FvObj)\r
+                self._GetSetStatements(FvObj)\r
+                self._GetFvAlignment(FvObj)\r
+                self._GetFvAttributes(FvObj)\r
+                self._GetAprioriSection(FvObj)\r
+                self._GetAprioriSection(FvObj)\r
 \r
                 while True:\r
-                    IsInf = self.__GetInfStatement(FvObj)\r
-                    IsFile = self.__GetFileStatement(FvObj)\r
+                    IsInf = self._GetInfStatement(FvObj)\r
+                    IsFile = self._GetFileStatement(FvObj)\r
                     if not IsInf and not IsFile:\r
                         break\r
 \r
-                if not self.__IsToken( "}"):\r
-                    raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
+                if not self._IsToken(T_CHAR_BRACE_R):\r
+                    raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
                 FvImageSectionObj.Fv = FvObj\r
                 FvImageSectionObj.FvName = None\r
 \r
             else:\r
-                if not self.__IsKeyword("FV"):\r
-                    raise Warning("expected 'FV'", self.FileName, self.CurrentLineNumber)\r
-                FvImageSectionObj.FvFileType = self.__Token\r
-\r
-                if self.__GetAlignment():\r
-                    if self.__Token not in ("8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                        raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-                    FvImageSectionObj.Alignment = self.__Token\r
-\r
-                if self.__IsToken('|'):\r
-                    FvImageSectionObj.FvFileExtension = self.__GetFileExtension()\r
-                elif self.__GetNextToken():\r
-                    if self.__Token not in ("}", "COMPAT16", "PE32", "PIC", "TE", "FV_IMAGE", "RAW", "DXE_DEPEX",\\r
-                               "UI", "VERSION", "PEI_DEPEX", "GUID", "SMM_DEPEX"):\r
-                        FvImageSectionObj.FvFileName = self.__Token\r
+                if not self._IsKeyword(BINARY_FILE_TYPE_FV):\r
+                    raise Warning.Expected("'FV'", self.FileName, self.CurrentLineNumber)\r
+                FvImageSectionObj.FvFileType = self._Token\r
+\r
+                if self._GetAlignment():\r
+                    if self._Token not in ALIGNMENT_NOAUTO:\r
+                        raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+                    FvImageSectionObj.Alignment = self._Token\r
+\r
+                if self._IsToken(TAB_VALUE_SPLIT):\r
+                    FvImageSectionObj.FvFileExtension = self._GetFileExtension()\r
+                elif self._GetNextToken():\r
+                    if self._Token not in {\r
+                            T_CHAR_BRACE_R, "COMPAT16", BINARY_FILE_TYPE_PE32,\r
+                            BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_TE,\r
+                            "FV_IMAGE", "RAW", BINARY_FILE_TYPE_DXE_DEPEX,\r
+                            BINARY_FILE_TYPE_UI, "VERSION",\r
+                            BINARY_FILE_TYPE_PEI_DEPEX, BINARY_FILE_TYPE_GUID,\r
+                            BINARY_FILE_TYPE_SMM_DEPEX}:\r
+                        FvImageSectionObj.FvFileName = self._Token\r
                     else:\r
-                        self.__UndoToken()\r
+                        self._UndoToken()\r
                 else:\r
-                    raise Warning("expected FV file name", self.FileName, self.CurrentLineNumber)\r
+                    raise Warning.Expected("FV file name", self.FileName, self.CurrentLineNumber)\r
 \r
             Obj.SectionList.append(FvImageSectionObj)\r
             return True\r
 \r
-        EfiSectionObj = EfiSection.EfiSection()\r
         EfiSectionObj.SectionType = SectionName\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected file type", self.FileName, self.CurrentLineNumber)\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("file type", self.FileName, self.CurrentLineNumber)\r
 \r
-        if self.__Token == "STRING":\r
-            if not self.__RuleSectionCouldHaveString(EfiSectionObj.SectionType):\r
+        if self._Token == "STRING":\r
+            if not self._RuleSectionCouldHaveString(EfiSectionObj.SectionType):\r
                 raise Warning("%s section could NOT have string data%d" % (EfiSectionObj.SectionType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__IsToken('='):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
 \r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Quoted String", self.FileName, self.CurrentLineNumber)\r
+            if not self._GetNextToken():\r
+                raise Warning.Expected("Quoted String", self.FileName, self.CurrentLineNumber)\r
 \r
-            if self.__GetStringData():\r
-                EfiSectionObj.StringData = self.__Token\r
+            if self._GetStringData():\r
+                EfiSectionObj.StringData = self._Token\r
 \r
-            if self.__IsKeyword("BUILD_NUM"):\r
-                if not self.__RuleSectionCouldHaveBuildNum(EfiSectionObj.SectionType):\r
+            if self._IsKeyword("BUILD_NUM"):\r
+                if not self._RuleSectionCouldHaveBuildNum(EfiSectionObj.SectionType):\r
                     raise Warning("%s section could NOT have BUILD_NUM%d" % (EfiSectionObj.SectionType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
-                if not self.__IsToken("="):\r
-                    raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                if not self.__GetNextToken():\r
-                    raise Warning("expected Build number", self.FileName, self.CurrentLineNumber)\r
-                EfiSectionObj.BuildNum = self.__Token\r
+                if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                    raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("Build number", self.FileName, self.CurrentLineNumber)\r
+                EfiSectionObj.BuildNum = self._Token\r
 \r
         else:\r
-            EfiSectionObj.FileType = self.__Token\r
-            self.__CheckRuleSectionFileType(EfiSectionObj.SectionType, EfiSectionObj.FileType)\r
+            EfiSectionObj.FileType = self._Token\r
+            self._CheckRuleSectionFileType(EfiSectionObj.SectionType, EfiSectionObj.FileType)\r
 \r
-        if self.__IsKeyword("Optional"):\r
-            if not self.__RuleSectionCouldBeOptional(EfiSectionObj.SectionType):\r
+        if self._IsKeyword("Optional"):\r
+            if not self._RuleSectionCouldBeOptional(EfiSectionObj.SectionType):\r
                 raise Warning("%s section could NOT be optional%d" % (EfiSectionObj.SectionType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
             EfiSectionObj.Optional = True\r
 \r
-            if self.__IsKeyword("BUILD_NUM"):\r
-                if not self.__RuleSectionCouldHaveBuildNum(EfiSectionObj.SectionType):\r
+            if self._IsKeyword("BUILD_NUM"):\r
+                if not self._RuleSectionCouldHaveBuildNum(EfiSectionObj.SectionType):\r
                     raise Warning("%s section could NOT have BUILD_NUM%d" % (EfiSectionObj.SectionType, self.CurrentLineNumber), self.FileName, self.CurrentLineNumber)\r
 \r
-                if not self.__IsToken("="):\r
-                    raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                if not self.__GetNextToken():\r
-                    raise Warning("expected Build number", self.FileName, self.CurrentLineNumber)\r
-                EfiSectionObj.BuildNum = self.__Token\r
+                if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                    raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                if not self._GetNextToken():\r
+                    raise Warning.Expected("Build number", self.FileName, self.CurrentLineNumber)\r
+                EfiSectionObj.BuildNum = self._Token\r
 \r
-        if self.__GetAlignment():\r
-            if self.__Token not in ("Auto", "8", "16", "32", "64", "128", "512", "1K", "4K", "32K" ,"64K"):\r
-                raise Warning("Incorrect alignment '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-            if self.__Token == 'Auto' and (not SectionName == 'PE32') and (not SectionName == 'TE'):\r
+        if self._GetAlignment():\r
+            if self._Token not in ALIGNMENTS:\r
+                raise Warning("Incorrect alignment '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
+            if self._Token == 'Auto' and (not SectionName == BINARY_FILE_TYPE_PE32) and (not SectionName == BINARY_FILE_TYPE_TE):\r
                 raise Warning("Auto alignment can only be used in PE32 or TE section ", self.FileName, self.CurrentLineNumber)\r
-            EfiSectionObj.Alignment = self.__Token\r
+            EfiSectionObj.Alignment = self._Token\r
 \r
-        if self.__IsKeyword('RELOCS_STRIPPED') or self.__IsKeyword('RELOCS_RETAINED'):\r
-            if self.__SectionCouldHaveRelocFlag(EfiSectionObj.SectionType):\r
-                if self.__Token == 'RELOCS_STRIPPED':\r
+        if self._IsKeyword('RELOCS_STRIPPED') or self._IsKeyword('RELOCS_RETAINED'):\r
+            if self._SectionCouldHaveRelocFlag(EfiSectionObj.SectionType):\r
+                if self._Token == 'RELOCS_STRIPPED':\r
                     EfiSectionObj.KeepReloc = False\r
                 else:\r
                     EfiSectionObj.KeepReloc = True\r
-                if Obj.KeepReloc != None and Obj.KeepReloc != EfiSectionObj.KeepReloc:\r
+                if Obj.KeepReloc is not None and Obj.KeepReloc != EfiSectionObj.KeepReloc:\r
                     raise Warning("Section type %s has reloc strip flag conflict with Rule" % EfiSectionObj.SectionType, self.FileName, self.CurrentLineNumber)\r
             else:\r
                 raise Warning("Section type %s could not have reloc strip flag" % EfiSectionObj.SectionType, self.FileName, self.CurrentLineNumber)\r
 \r
 \r
-        if self.__IsToken('|'):\r
-            EfiSectionObj.FileExtension = self.__GetFileExtension()\r
-        elif self.__GetNextToken():\r
-            if self.__Token not in ("}", "COMPAT16", "PE32", "PIC", "TE", "FV_IMAGE", "RAW", "DXE_DEPEX",\\r
-                       "UI", "VERSION", "PEI_DEPEX", "GUID", "SMM_DEPEX"):\r
-                \r
-                if self.__Token.startswith('PCD'):\r
-                    self.__UndoToken()\r
-                    self.__GetNextWord()\r
-                \r
-                    if self.__Token == 'PCD':\r
-                        if not self.__IsToken( "("):\r
-                            raise Warning("expected '('", self.FileName, self.CurrentLineNumber)\r
-                        PcdPair = self.__GetNextPcdName()\r
-                        if not self.__IsToken( ")"):\r
-                            raise Warning("expected ')'", self.FileName, self.CurrentLineNumber)\r
-                        self.__Token = 'PCD('+PcdPair[1]+'.'+PcdPair[0]+')'\r
-                        \r
-                EfiSectionObj.FileName = self.__Token        \r
-                            \r
+        if self._IsToken(TAB_VALUE_SPLIT):\r
+            EfiSectionObj.FileExtension = self._GetFileExtension()\r
+        elif self._GetNextToken():\r
+            if self._Token not in {\r
+                    T_CHAR_BRACE_R, "COMPAT16", BINARY_FILE_TYPE_PE32,\r
+                    BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_TE,\r
+                    "FV_IMAGE", "RAW", BINARY_FILE_TYPE_DXE_DEPEX,\r
+                    BINARY_FILE_TYPE_UI, "VERSION",\r
+                    BINARY_FILE_TYPE_PEI_DEPEX, BINARY_FILE_TYPE_GUID,\r
+                    BINARY_FILE_TYPE_SMM_DEPEX}:\r
+\r
+                if self._Token.startswith('PCD'):\r
+                    self._UndoToken()\r
+                    self._GetNextWord()\r
+\r
+                    if self._Token == 'PCD':\r
+                        if not self._IsToken("("):\r
+                            raise Warning.Expected("'('", self.FileName, self.CurrentLineNumber)\r
+                        PcdPair = self._GetNextPcdSettings()\r
+                        if not self._IsToken(")"):\r
+                            raise Warning.Expected("')'", self.FileName, self.CurrentLineNumber)\r
+                        self._Token = 'PCD('+PcdPair[1]+TAB_SPLIT+PcdPair[0]+')'\r
+\r
+                EfiSectionObj.FileName = self._Token\r
+\r
             else:\r
-                self.__UndoToken()\r
+                self._UndoToken()\r
         else:\r
-            raise Warning("expected section file name", self.FileName, self.CurrentLineNumber)\r
+            raise Warning.Expected("section file name", self.FileName, self.CurrentLineNumber)\r
 \r
         Obj.SectionList.append(EfiSectionObj)\r
         return True\r
 \r
-    ## __RuleSectionCouldBeOptional() method\r
+    ## _RuleSectionCouldBeOptional() method\r
     #\r
     #   Get whether a section could be optional\r
     #\r
-    #   @param  self        The object pointer\r
     #   @param  SectionType The section type to check\r
     #   @retval True        section could be optional\r
     #   @retval False       section never optional\r
     #\r
-    def __RuleSectionCouldBeOptional(self, SectionType):\r
-        if SectionType in ("DXE_DEPEX", "UI", "VERSION", "PEI_DEPEX", "RAW", "SMM_DEPEX"):\r
+    @staticmethod\r
+    def _RuleSectionCouldBeOptional(SectionType):\r
+        if SectionType in {BINARY_FILE_TYPE_DXE_DEPEX, BINARY_FILE_TYPE_UI, "VERSION", BINARY_FILE_TYPE_PEI_DEPEX, "RAW", BINARY_FILE_TYPE_SMM_DEPEX}:\r
             return True\r
         else:\r
             return False\r
 \r
-    ## __RuleSectionCouldHaveBuildNum() method\r
+    ## _RuleSectionCouldHaveBuildNum() method\r
     #\r
     #   Get whether a section could have build number information\r
     #\r
-    #   @param  self        The object pointer\r
     #   @param  SectionType The section type to check\r
     #   @retval True        section could have build number information\r
     #   @retval False       section never have build number information\r
     #\r
-    def __RuleSectionCouldHaveBuildNum(self, SectionType):\r
-        if SectionType in ("VERSION"):\r
+    @staticmethod\r
+    def _RuleSectionCouldHaveBuildNum(SectionType):\r
+        if SectionType == "VERSION":\r
             return True\r
         else:\r
             return False\r
 \r
-    ## __RuleSectionCouldHaveString() method\r
+    ## _RuleSectionCouldHaveString() method\r
     #\r
     #   Get whether a section could have string\r
     #\r
-    #   @param  self        The object pointer\r
     #   @param  SectionType The section type to check\r
     #   @retval True        section could have string\r
     #   @retval False       section never have string\r
     #\r
-    def __RuleSectionCouldHaveString(self, SectionType):\r
-        if SectionType in ("UI", "VERSION"):\r
+    @staticmethod\r
+    def _RuleSectionCouldHaveString(SectionType):\r
+        if SectionType in {BINARY_FILE_TYPE_UI, "VERSION"}:\r
             return True\r
         else:\r
             return False\r
 \r
-    ## __CheckRuleSectionFileType() method\r
+    ## _CheckRuleSectionFileType() method\r
     #\r
     #   Get whether a section matches a file type\r
     #\r
@@ -3718,86 +3979,86 @@ class FdfParser:
     #   @param  SectionType The section type to check\r
     #   @param  FileType    The file type to check\r
     #\r
-    def __CheckRuleSectionFileType(self, SectionType, FileType):\r
+    def _CheckRuleSectionFileType(self, SectionType, FileType):\r
+        WarningString = "Incorrect section file type '%s'"\r
         if SectionType == "COMPAT16":\r
-            if FileType not in ("COMPAT16", "SEC_COMPAT16"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "PE32":\r
-            if FileType not in ("PE32", "SEC_PE32"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "PIC":\r
-            if FileType not in ("PIC", "PIC"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "TE":\r
-            if FileType not in ("TE", "SEC_TE"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
+            if FileType not in {"COMPAT16", "SEC_COMPAT16"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_PE32:\r
+            if FileType not in {BINARY_FILE_TYPE_PE32, "SEC_PE32"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_PIC:\r
+            if FileType not in {BINARY_FILE_TYPE_PIC, BINARY_FILE_TYPE_PIC}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_TE:\r
+            if FileType not in {BINARY_FILE_TYPE_TE, "SEC_TE"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
         elif SectionType == "RAW":\r
-            if FileType not in ("BIN", "SEC_BIN", "RAW", "ASL", "ACPI"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "DXE_DEPEX" or SectionType == "SMM_DEPEX":\r
-            if FileType not in ("DXE_DEPEX", "SEC_DXE_DEPEX", "SMM_DEPEX"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "UI":\r
-            if FileType not in ("UI", "SEC_UI"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
+            if FileType not in {BINARY_FILE_TYPE_BIN, "SEC_BIN", "RAW", "ASL", "ACPI"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_DXE_DEPEX or SectionType == BINARY_FILE_TYPE_SMM_DEPEX:\r
+            if FileType not in {BINARY_FILE_TYPE_DXE_DEPEX, "SEC_DXE_DEPEX", BINARY_FILE_TYPE_SMM_DEPEX}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_UI:\r
+            if FileType not in {BINARY_FILE_TYPE_UI, "SEC_UI"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
         elif SectionType == "VERSION":\r
-            if FileType not in ("VERSION", "SEC_VERSION"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "PEI_DEPEX":\r
-            if FileType not in ("PEI_DEPEX", "SEC_PEI_DEPEX"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
-        elif SectionType == "GUID":\r
-            if FileType not in ("PE32", "SEC_GUID"):\r
-                raise Warning("Incorrect section file type '%s'" % FileType, self.FileName, self.CurrentLineNumber)\r
+            if FileType not in {"VERSION", "SEC_VERSION"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_PEI_DEPEX:\r
+            if FileType not in {BINARY_FILE_TYPE_PEI_DEPEX, "SEC_PEI_DEPEX"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
+        elif SectionType == BINARY_FILE_TYPE_GUID:\r
+            if FileType not in {BINARY_FILE_TYPE_PE32, "SEC_GUID"}:\r
+                raise Warning(WarningString % FileType, self.FileName, self.CurrentLineNumber)\r
 \r
-    ## __GetRuleEncapsulationSection() method\r
+    ## _GetRuleEncapsulationSection() method\r
     #\r
     #   Get encapsulation section for Rule\r
     #\r
     #   @param  self        The object pointer\r
-    #   @param  Rule        for whom section is got\r
+    #   @param  theRule     for whom section is got\r
     #   @retval True        Successfully find section statement\r
     #   @retval False       Not able to find section statement\r
     #\r
-    def __GetRuleEncapsulationSection(self, Rule):\r
-\r
-        if self.__IsKeyword( "COMPRESS"):\r
+    def _GetRuleEncapsulationSection(self, theRule):\r
+        if self._IsKeyword("COMPRESS"):\r
             Type = "PI_STD"\r
-            if self.__IsKeyword("PI_STD") or self.__IsKeyword("PI_NONE"):\r
-                Type = self.__Token\r
+            if self._IsKeyword("PI_STD") or self._IsKeyword("PI_NONE"):\r
+                Type = self._Token\r
 \r
-            if not self.__IsToken("{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
 \r
-            CompressSectionObj = CompressSection.CompressSection()\r
+            CompressSectionObj = CompressSection()\r
 \r
             CompressSectionObj.CompType = Type\r
             # Recursive sections...\r
             while True:\r
-                IsEncapsulate = self.__GetRuleEncapsulationSection(CompressSectionObj)\r
-                IsLeaf = self.__GetEfiSection(CompressSectionObj)\r
+                IsEncapsulate = self._GetRuleEncapsulationSection(CompressSectionObj)\r
+                IsLeaf = self._GetEfiSection(CompressSectionObj)\r
                 if not IsEncapsulate and not IsLeaf:\r
                     break\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
-            Rule.SectionList.append(CompressSectionObj)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
+            theRule.SectionList.append(CompressSectionObj)\r
 \r
             return True\r
 \r
-        elif self.__IsKeyword( "GUIDED"):\r
+        elif self._IsKeyword("GUIDED"):\r
             GuidValue = None\r
-            if self.__GetNextGuid():\r
-                GuidValue = self.__Token\r
+            if self._GetNextGuid():\r
+                GuidValue = self._Token\r
 \r
-            if self.__IsKeyword( "$(NAMED_GUID)"):\r
-                GuidValue = self.__Token\r
+            if self._IsKeyword("$(NAMED_GUID)"):\r
+                GuidValue = self._Token\r
 \r
-            AttribDict = self.__GetGuidAttrib()\r
+            AttribDict = self._GetGuidAttrib()\r
 \r
-            if not self.__IsToken("{"):\r
-                raise Warning("expected '{'", self.FileName, self.CurrentLineNumber)\r
-            GuidSectionObj = GuidSection.GuidSection()\r
+            if not self._IsToken("{"):\r
+                raise Warning.ExpectedCurlyOpen(self.FileName, self.CurrentLineNumber)\r
+            GuidSectionObj = GuidSection()\r
             GuidSectionObj.NameGuid = GuidValue\r
             GuidSectionObj.SectionType = "GUIDED"\r
             GuidSectionObj.ProcessRequired = AttribDict["PROCESSING_REQUIRED"]\r
@@ -3806,227 +4067,20 @@ class FdfParser:
 \r
             # Efi sections...\r
             while True:\r
-                IsEncapsulate = self.__GetRuleEncapsulationSection(GuidSectionObj)\r
-                IsLeaf = self.__GetEfiSection(GuidSectionObj)\r
+                IsEncapsulate = self._GetRuleEncapsulationSection(GuidSectionObj)\r
+                IsLeaf = self._GetEfiSection(GuidSectionObj)\r
                 if not IsEncapsulate and not IsLeaf:\r
                     break\r
 \r
-            if not self.__IsToken( "}"):\r
-                raise Warning("expected '}'", self.FileName, self.CurrentLineNumber)\r
-            Rule.SectionList.append(GuidSectionObj)\r
+            if not self._IsToken(T_CHAR_BRACE_R):\r
+                raise Warning.ExpectedCurlyClose(self.FileName, self.CurrentLineNumber)\r
+            theRule.SectionList.append(GuidSectionObj)\r
 \r
             return True\r
 \r
         return False\r
 \r
-    ## __GetVtf() method\r
-    #\r
-    #   Get VTF section contents and store its data into VTF list of self.Profile\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @retval True        Successfully find a VTF\r
-    #   @retval False       Not able to find a VTF\r
-    #\r
-    def __GetVtf(self):\r
-\r
-        if not self.__GetNextToken():\r
-            return False\r
-\r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[VTF."):\r
-            if not S.startswith("[RULE.") and not S.startswith("[OPTIONROM."):\r
-                raise Warning("Unknown section or section appear sequence error (The correct sequence should be [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-            self.__UndoToken()\r
-            return False\r
-\r
-        self.__UndoToken()\r
-        if not self.__IsToken("[VTF.", True):\r
-            FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
-            #print 'Parsing String: %s in File %s, At line: %d, Offset Within Line: %d' \\r
-            #        % (self.Profile.FileLinesList[self.CurrentLineNumber - 1][self.CurrentOffsetWithinLine :], FileLineTuple[0], FileLineTuple[1], self.CurrentOffsetWithinLine)\r
-            raise Warning("expected [VTF.]", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__SkipToToken("."):\r
-            raise Warning("expected '.'", self.FileName, self.CurrentLineNumber)\r
-\r
-        Arch = self.__SkippedChars.rstrip(".").upper()\r
-        if Arch not in ("IA32", "X64", "IPF", "ARM", "AARCH64"):\r
-            raise Warning("Unknown Arch '%s'" % Arch, self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextWord():\r
-            raise Warning("expected VTF name", self.FileName, self.CurrentLineNumber)\r
-        Name = self.__Token.upper()\r
-\r
-        VtfObj = Vtf.Vtf()\r
-        VtfObj.UiName = Name\r
-        VtfObj.KeyArch = Arch\r
-\r
-        if self.__IsToken(","):\r
-            if not self.__GetNextWord():\r
-                raise Warning("expected Arch list", self.FileName, self.CurrentLineNumber)\r
-            if self.__Token.upper() not in ("IA32", "X64", "IPF", "ARM", "AARCH64"):\r
-                raise Warning("Unknown Arch '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-            VtfObj.ArchList = self.__Token.upper()\r
-\r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
-\r
-        if self.__IsKeyword("IA32_RST_BIN"):\r
-            if not self.__IsToken("="):\r
-                raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-            if not self.__GetNextToken():\r
-                raise Warning("expected Reset file", self.FileName, self.CurrentLineNumber)\r
-\r
-            VtfObj.ResetBin = self.__Token\r
-            if VtfObj.ResetBin.replace('$(WORKSPACE)', '').find('$') == -1:\r
-                #check for file path\r
-                ErrorCode, ErrorInfo = PathClass(NormPath(VtfObj.ResetBin), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
-                if ErrorCode != 0:\r
-                    EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
-\r
-        while self.__GetComponentStatement(VtfObj):\r
-            pass\r
-\r
-        self.Profile.VtfList.append(VtfObj)\r
-        return True\r
-\r
-    ## __GetComponentStatement() method\r
-    #\r
-    #   Get components in VTF\r
-    #\r
-    #   @param  self        The object pointer\r
-    #   @param  VtfObj         for whom component is got\r
-    #   @retval True        Successfully find a component\r
-    #   @retval False       Not able to find a component\r
-    #\r
-    def __GetComponentStatement(self, VtfObj):\r
-\r
-        if not self.__IsKeyword("COMP_NAME"):\r
-            return False\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextWord():\r
-            raise Warning("expected Component Name", self.FileName, self.CurrentLineNumber)\r
-\r
-        CompStatementObj = ComponentStatement.ComponentStatement()\r
-        CompStatementObj.CompName = self.__Token\r
-\r
-        if not self.__IsKeyword("COMP_LOC"):\r
-            raise Warning("expected COMP_LOC", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        CompStatementObj.CompLoc = ""\r
-        if self.__GetNextWord():\r
-            CompStatementObj.CompLoc = self.__Token\r
-            if self.__IsToken('|'):\r
-                if not self.__GetNextWord():\r
-                    raise Warning("Expected Region Name", self.FileName, self.CurrentLineNumber)\r
-\r
-                if self.__Token not in ("F", "N", "S"):    #, "H", "L", "PH", "PL"): not support\r
-                    raise Warning("Unknown location type '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-\r
-                CompStatementObj.FilePos = self.__Token\r
-        else:\r
-            self.CurrentLineNumber += 1\r
-            self.CurrentOffsetWithinLine = 0\r
-\r
-        if not self.__IsKeyword("COMP_TYPE"):\r
-            raise Warning("expected COMP_TYPE", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Component type", self.FileName, self.CurrentLineNumber)\r
-        if self.__Token not in ("FIT", "PAL_B", "PAL_A", "OEM"):\r
-            if not self.__Token.startswith("0x") or len(self.__Token) < 3 or len(self.__Token) > 4 or \\r
-                not self.__HexDigit(self.__Token[2]) or not self.__HexDigit(self.__Token[-1]):\r
-                raise Warning("Unknown location type '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        CompStatementObj.CompType = self.__Token\r
-\r
-        if not self.__IsKeyword("COMP_VER"):\r
-            raise Warning("expected COMP_VER", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Component version", self.FileName, self.CurrentLineNumber)\r
-\r
-        Pattern = re.compile('-$|[0-9a-fA-F]{1,2}\.[0-9a-fA-F]{1,2}$', re.DOTALL)\r
-        if Pattern.match(self.__Token) == None:\r
-            raise Warning("Unknown version format '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        CompStatementObj.CompVer = self.__Token\r
-\r
-        if not self.__IsKeyword("COMP_CS"):\r
-            raise Warning("expected COMP_CS", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Component CS", self.FileName, self.CurrentLineNumber)\r
-        if self.__Token not in ("1", "0"):\r
-            raise Warning("Unknown  Component CS '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-        CompStatementObj.CompCs = self.__Token\r
-\r
-\r
-        if not self.__IsKeyword("COMP_BIN"):\r
-            raise Warning("expected COMP_BIN", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Component file", self.FileName, self.CurrentLineNumber)\r
-\r
-        CompStatementObj.CompBin = self.__Token\r
-        if CompStatementObj.CompBin != '-' and CompStatementObj.CompBin.replace('$(WORKSPACE)', '').find('$') == -1:\r
-            #check for file path\r
-            ErrorCode, ErrorInfo = PathClass(NormPath(CompStatementObj.CompBin), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
-            if ErrorCode != 0:\r
-                EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
-\r
-        if not self.__IsKeyword("COMP_SYM"):\r
-            raise Warning("expected COMP_SYM", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__GetNextToken():\r
-            raise Warning("expected Component symbol file", self.FileName, self.CurrentLineNumber)\r
-\r
-        CompStatementObj.CompSym = self.__Token\r
-        if CompStatementObj.CompSym != '-' and CompStatementObj.CompSym.replace('$(WORKSPACE)', '').find('$') == -1:\r
-            #check for file path\r
-            ErrorCode, ErrorInfo = PathClass(NormPath(CompStatementObj.CompSym), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
-            if ErrorCode != 0:\r
-                EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
-\r
-        if not self.__IsKeyword("COMP_SIZE"):\r
-            raise Warning("expected COMP_SIZE", self.FileName, self.CurrentLineNumber)\r
-\r
-        if not self.__IsToken("="):\r
-            raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-\r
-        if self.__IsToken("-"):\r
-            CompStatementObj.CompSize = self.__Token\r
-        elif self.__GetNextDecimalNumber():\r
-            CompStatementObj.CompSize = self.__Token\r
-        elif self.__GetNextHexNumber():\r
-            CompStatementObj.CompSize = self.__Token\r
-        else:\r
-            raise Warning("Unknown size '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
-\r
-        VtfObj.ComponentStatementList.append(CompStatementObj)\r
-        return True\r
-\r
-    ## __GetOptionRom() method\r
+    ## _GetOptionRom() method\r
     #\r
     #   Get OptionROM section contents and store its data into OptionROM list of self.Profile\r
     #\r
@@ -4034,37 +4088,37 @@ class FdfParser:
     #   @retval True        Successfully find a OptionROM\r
     #   @retval False       Not able to find a OptionROM\r
     #\r
-    def __GetOptionRom(self):\r
+    def _GetOptionRom(self):\r
+        if not self._GetNextToken():\r
+            return False\r
 \r
-        if not self.__GetNextToken():\r
+        S = self._Token.upper()\r
+        if S.startswith(TAB_SECTION_START) and not S.startswith("[OPTIONROM."):\r
+            self.SectionParser(S)\r
+            self._UndoToken()\r
             return False\r
 \r
-        S = self.__Token.upper()\r
-        if S.startswith("[") and not S.startswith("[OPTIONROM."):\r
-            raise Warning("Unknown section or section appear sequence error (The correct sequence should be [FD.], [FV.], [Capsule.], [VTF.], [Rule.], [OptionRom.])", self.FileName, self.CurrentLineNumber)\r
-        \r
-        self.__UndoToken()\r
-        if not self.__IsToken("[OptionRom.", True):\r
-            raise Warning("Unknown Keyword '%s'" % self.__Token, self.FileName, self.CurrentLineNumber)\r
+        self._UndoToken()\r
+        if not self._IsToken("[OptionRom.", True):\r
+            raise Warning("Unknown Keyword '%s'" % self._Token, self.FileName, self.CurrentLineNumber)\r
 \r
-        OptRomName = self.__GetUiName()\r
+        OptRomName = self._GetUiName()\r
 \r
-        if not self.__IsToken( "]"):\r
-            raise Warning("expected ']'", self.FileName, self.CurrentLineNumber)\r
+        if not self._IsToken(TAB_SECTION_END):\r
+            raise Warning.ExpectedBracketClose(self.FileName, self.CurrentLineNumber)\r
 \r
-        OptRomObj = OptionRom.OPTIONROM()\r
-        OptRomObj.DriverName = OptRomName\r
+        OptRomObj = OPTIONROM(OptRomName)\r
         self.Profile.OptRomDict[OptRomName] = OptRomObj\r
 \r
         while True:\r
-            isInf = self.__GetOptRomInfStatement(OptRomObj)\r
-            isFile = self.__GetOptRomFileStatement(OptRomObj)\r
+            isInf = self._GetOptRomInfStatement(OptRomObj)\r
+            isFile = self._GetOptRomFileStatement(OptRomObj)\r
             if not isInf and not isFile:\r
                 break\r
-            \r
+\r
         return True\r
 \r
-    ## __GetOptRomInfStatement() method\r
+    ## _GetOptRomInfStatement() method\r
     #\r
     #   Get INF statements\r
     #\r
@@ -4073,94 +4127,106 @@ class FdfParser:
     #   @retval True        Successfully find inf statement\r
     #   @retval False       Not able to find inf statement\r
     #\r
-    def __GetOptRomInfStatement(self, Obj):\r
-\r
-        if not self.__IsKeyword( "INF"):\r
+    def _GetOptRomInfStatement(self, Obj):\r
+        if not self._IsKeyword("INF"):\r
             return False\r
 \r
-        ffsInf = OptRomInfStatement.OptRomInfStatement()\r
-        self.__GetInfOptions( ffsInf)\r
+        ffsInf = OptRomInfStatement()\r
+        self._GetInfOptions(ffsInf)\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected INF file path", self.FileName, self.CurrentLineNumber)\r
-        ffsInf.InfFileName = self.__Token\r
-        if ffsInf.InfFileName.replace('$(WORKSPACE)', '').find('$') == -1:\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("INF file path", self.FileName, self.CurrentLineNumber)\r
+        ffsInf.InfFileName = self._Token\r
+        if ffsInf.InfFileName.replace(TAB_WORKSPACE, '').find('$') == -1:\r
             #check for file path\r
             ErrorCode, ErrorInfo = PathClass(NormPath(ffsInf.InfFileName), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
             if ErrorCode != 0:\r
                 EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
 \r
-        if not ffsInf.InfFileName in self.Profile.InfList:\r
-            self.Profile.InfList.append(ffsInf.InfFileName)\r
+        NewFileName = ffsInf.InfFileName\r
+        if ffsInf.OverrideGuid:\r
+            NewFileName = ProcessDuplicatedInf(PathClass(ffsInf.InfFileName,GenFdsGlobalVariable.WorkSpaceDir), ffsInf.OverrideGuid, GenFdsGlobalVariable.WorkSpaceDir).Path\r
+\r
+        if not NewFileName in self.Profile.InfList:\r
+            self.Profile.InfList.append(NewFileName)\r
             FileLineTuple = GetRealFileLine(self.FileName, self.CurrentLineNumber)\r
             self.Profile.InfFileLineList.append(FileLineTuple)\r
+            if ffsInf.UseArch:\r
+                if ffsInf.UseArch not in self.Profile.InfDict:\r
+                    self.Profile.InfDict[ffsInf.UseArch] = [ffsInf.InfFileName]\r
+                else:\r
+                    self.Profile.InfDict[ffsInf.UseArch].append(ffsInf.InfFileName)\r
+            else:\r
+                self.Profile.InfDict['ArchTBD'].append(ffsInf.InfFileName)\r
+\r
+\r
+        self._GetOptRomOverrides (ffsInf)\r
 \r
-        \r
-        self.__GetOptRomOverrides (ffsInf)\r
-            \r
         Obj.FfsList.append(ffsInf)\r
         return True\r
 \r
-    ## __GetOptRomOverrides() method\r
+    ## _GetOptRomOverrides() method\r
     #\r
     #   Get overrides for OptROM INF & FILE\r
     #\r
     #   @param  self        The object pointer\r
     #   @param  FfsInfObj   for whom overrides is got\r
     #\r
-    def __GetOptRomOverrides(self, Obj):\r
-        if self.__IsToken('{'):\r
-            Overrides = OptionRom.OverrideAttribs()\r
+    def _GetOptRomOverrides(self, Obj):\r
+        if self._IsToken('{'):\r
+            Overrides = OverrideAttribs()\r
             while True:\r
-                if self.__IsKeyword( "PCI_VENDOR_ID"):\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__GetNextHexNumber():\r
-                        raise Warning("expected Hex vendor id", self.FileName, self.CurrentLineNumber)\r
-                    Overrides.PciVendorId = self.__Token\r
+                if self._IsKeyword("PCI_VENDOR_ID"):\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                    if not self._GetNextHexNumber():\r
+                        raise Warning.Expected("Hex vendor id", self.FileName, self.CurrentLineNumber)\r
+                    Overrides.PciVendorId = self._Token\r
                     continue\r
 \r
-                if self.__IsKeyword( "PCI_CLASS_CODE"):\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__GetNextHexNumber():\r
-                        raise Warning("expected Hex class code", self.FileName, self.CurrentLineNumber)\r
-                    Overrides.PciClassCode = self.__Token\r
+                if self._IsKeyword("PCI_CLASS_CODE"):\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                    if not self._GetNextHexNumber():\r
+                        raise Warning.Expected("Hex class code", self.FileName, self.CurrentLineNumber)\r
+                    Overrides.PciClassCode = self._Token\r
                     continue\r
 \r
-                if self.__IsKeyword( "PCI_DEVICE_ID"):\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__GetNextHexNumber():\r
-                        raise Warning("expected Hex device id", self.FileName, self.CurrentLineNumber)\r
-\r
-                    Overrides.PciDeviceId = self.__Token\r
+                if self._IsKeyword("PCI_DEVICE_ID"):\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                    # Get a list of PCI IDs\r
+                    Overrides.PciDeviceId = ""\r
+                    while (self._GetNextHexNumber()):\r
+                        Overrides.PciDeviceId = "{} {}".format(Overrides.PciDeviceId, self._Token)\r
+                    if not Overrides.PciDeviceId:\r
+                        raise Warning.Expected("one or more Hex device ids", self.FileName, self.CurrentLineNumber)\r
                     continue\r
 \r
-                if self.__IsKeyword( "PCI_REVISION"):\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__GetNextHexNumber():\r
-                        raise Warning("expected Hex revision", self.FileName, self.CurrentLineNumber)\r
-                    Overrides.PciRevision = self.__Token\r
+                if self._IsKeyword("PCI_REVISION"):\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                    if not self._GetNextHexNumber():\r
+                        raise Warning.Expected("Hex revision", self.FileName, self.CurrentLineNumber)\r
+                    Overrides.PciRevision = self._Token\r
                     continue\r
 \r
-                if self.__IsKeyword( "PCI_COMPRESS"):\r
-                    if not self.__IsToken( "="):\r
-                        raise Warning("expected '='", self.FileName, self.CurrentLineNumber)\r
-                    if not self.__GetNextToken():\r
-                        raise Warning("expected TRUE/FALSE for compress", self.FileName, self.CurrentLineNumber)\r
-                    Overrides.NeedCompress = self.__Token.upper() == 'TRUE'\r
+                if self._IsKeyword("PCI_COMPRESS"):\r
+                    if not self._IsToken(TAB_EQUAL_SPLIT):\r
+                        raise Warning.ExpectedEquals(self.FileName, self.CurrentLineNumber)\r
+                    if not self._GetNextToken():\r
+                        raise Warning.Expected("TRUE/FALSE for compress", self.FileName, self.CurrentLineNumber)\r
+                    Overrides.NeedCompress = self._Token.upper() == 'TRUE'\r
                     continue\r
 \r
-                if self.__IsToken( "}"):\r
+                if self._IsToken(T_CHAR_BRACE_R):\r
                     break\r
                 else:\r
                     EdkLogger.error("FdfParser", FORMAT_INVALID, File=self.FileName, Line=self.CurrentLineNumber)\r
 \r
             Obj.OverrideAttribs = Overrides\r
-            \r
-    ## __GetOptRomFileStatement() method\r
+\r
+    ## _GetOptRomFileStatement() method\r
     #\r
     #   Get FILE statements\r
     #\r
@@ -4169,34 +4235,33 @@ class FdfParser:
     #   @retval True        Successfully find FILE statement\r
     #   @retval False       Not able to find FILE statement\r
     #\r
-    def __GetOptRomFileStatement(self, Obj):\r
-\r
-        if not self.__IsKeyword( "FILE"):\r
+    def _GetOptRomFileStatement(self, Obj):\r
+        if not self._IsKeyword("FILE"):\r
             return False\r
 \r
-        FfsFileObj = OptRomFileStatement.OptRomFileStatement()\r
+        FfsFileObj = OptRomFileStatement()\r
 \r
-        if not self.__IsKeyword("EFI") and not self.__IsKeyword("BIN"):\r
-            raise Warning("expected Binary type (EFI/BIN)", self.FileName, self.CurrentLineNumber)\r
-        FfsFileObj.FileType = self.__Token\r
+        if not self._IsKeyword("EFI") and not self._IsKeyword(BINARY_FILE_TYPE_BIN):\r
+            raise Warning.Expected("Binary type (EFI/BIN)", self.FileName, self.CurrentLineNumber)\r
+        FfsFileObj.FileType = self._Token\r
 \r
-        if not self.__GetNextToken():\r
-            raise Warning("expected File path", self.FileName, self.CurrentLineNumber)\r
-        FfsFileObj.FileName = self.__Token\r
-        if FfsFileObj.FileName.replace('$(WORKSPACE)', '').find('$') == -1:\r
+        if not self._GetNextToken():\r
+            raise Warning.Expected("File path", self.FileName, self.CurrentLineNumber)\r
+        FfsFileObj.FileName = self._Token\r
+        if FfsFileObj.FileName.replace(TAB_WORKSPACE, '').find('$') == -1:\r
             #check for file path\r
             ErrorCode, ErrorInfo = PathClass(NormPath(FfsFileObj.FileName), GenFdsGlobalVariable.WorkSpaceDir).Validate()\r
             if ErrorCode != 0:\r
                 EdkLogger.error("GenFds", ErrorCode, ExtraData=ErrorInfo)\r
 \r
         if FfsFileObj.FileType == 'EFI':\r
-            self.__GetOptRomOverrides(FfsFileObj)\r
-        \r
+            self._GetOptRomOverrides(FfsFileObj)\r
+\r
         Obj.FfsList.append(FfsFileObj)\r
 \r
         return True\r
 \r
-    ## __GetCapInFd() method\r
+    ## _GetCapInFd() method\r
     #\r
     #   Get Cap list contained in FD\r
     #\r
@@ -4204,21 +4269,20 @@ class FdfParser:
     #   @param  FdName      FD name\r
     #   @retval CapList     List of Capsule in FD\r
     #\r
-    def __GetCapInFd (self, FdName):\r
-\r
+    def _GetCapInFd (self, FdName):\r
         CapList = []\r
-        if FdName.upper() in self.Profile.FdDict.keys():\r
+        if FdName.upper() in self.Profile.FdDict:\r
             FdObj = self.Profile.FdDict[FdName.upper()]\r
             for elementRegion in FdObj.RegionList:\r
                 if elementRegion.RegionType == 'CAPSULE':\r
                     for elementRegionData in elementRegion.RegionDataList:\r
                         if elementRegionData.endswith(".cap"):\r
                             continue\r
-                        if elementRegionData != None and elementRegionData.upper() not in CapList:\r
+                        if elementRegionData is not None and elementRegionData.upper() not in CapList:\r
                             CapList.append(elementRegionData.upper())\r
         return CapList\r
 \r
-    ## __GetReferencedFdCapTuple() method\r
+    ## _GetReferencedFdCapTuple() method\r
     #\r
     #   Get FV and FD list referenced by a capsule image\r
     #\r
@@ -4227,23 +4291,22 @@ class FdfParser:
     #   @param  RefFdList   referenced FD by section\r
     #   @param  RefFvList   referenced FV by section\r
     #\r
-    def __GetReferencedFdCapTuple(self, CapObj, RefFdList = [], RefFvList = []):\r
-\r
-        for CapsuleDataObj in CapObj.CapsuleDataList :\r
-            if hasattr(CapsuleDataObj, 'FvName') and CapsuleDataObj.FvName != None and CapsuleDataObj.FvName.upper() not in RefFvList:\r
+    def _GetReferencedFdCapTuple(self, CapObj, RefFdList = [], RefFvList = []):\r
+        for CapsuleDataObj in CapObj.CapsuleDataList:\r
+            if hasattr(CapsuleDataObj, 'FvName') and CapsuleDataObj.FvName is not None and CapsuleDataObj.FvName.upper() not in RefFvList:\r
                 RefFvList.append (CapsuleDataObj.FvName.upper())\r
-            elif hasattr(CapsuleDataObj, 'FdName') and CapsuleDataObj.FdName != None and CapsuleDataObj.FdName.upper() not in RefFdList:\r
-                RefFdList.append (CapsuleDataObj.FdName.upper())            \r
-            elif CapsuleDataObj.Ffs != None:\r
-                if isinstance(CapsuleDataObj.Ffs, FfsFileStatement.FileStatement):\r
-                    if CapsuleDataObj.Ffs.FvName != None and CapsuleDataObj.Ffs.FvName.upper() not in RefFvList:\r
+            elif hasattr(CapsuleDataObj, 'FdName') and CapsuleDataObj.FdName is not None and CapsuleDataObj.FdName.upper() not in RefFdList:\r
+                RefFdList.append (CapsuleDataObj.FdName.upper())\r
+            elif CapsuleDataObj.Ffs is not None:\r
+                if isinstance(CapsuleDataObj.Ffs, FileStatement):\r
+                    if CapsuleDataObj.Ffs.FvName is not None and CapsuleDataObj.Ffs.FvName.upper() not in RefFvList:\r
                         RefFvList.append(CapsuleDataObj.Ffs.FvName.upper())\r
-                    elif CapsuleDataObj.Ffs.FdName != None and CapsuleDataObj.Ffs.FdName.upper() not in RefFdList:\r
+                    elif CapsuleDataObj.Ffs.FdName is not None and CapsuleDataObj.Ffs.FdName.upper() not in RefFdList:\r
                         RefFdList.append(CapsuleDataObj.Ffs.FdName.upper())\r
                     else:\r
-                        self.__GetReferencedFdFvTupleFromSection(CapsuleDataObj.Ffs, RefFdList, RefFvList)\r
+                        self._GetReferencedFdFvTupleFromSection(CapsuleDataObj.Ffs, RefFdList, RefFvList)\r
 \r
-    ## __GetFvInFd() method\r
+    ## _GetFvInFd() method\r
     #\r
     #   Get FV list contained in FD\r
     #\r
@@ -4251,21 +4314,20 @@ class FdfParser:
     #   @param  FdName      FD name\r
     #   @retval FvList      list of FV in FD\r
     #\r
-    def __GetFvInFd (self, FdName):\r
-\r
+    def _GetFvInFd (self, FdName):\r
         FvList = []\r
-        if FdName.upper() in self.Profile.FdDict.keys():\r
+        if FdName.upper() in self.Profile.FdDict:\r
             FdObj = self.Profile.FdDict[FdName.upper()]\r
             for elementRegion in FdObj.RegionList:\r
-                if elementRegion.RegionType == 'FV':\r
+                if elementRegion.RegionType == BINARY_FILE_TYPE_FV:\r
                     for elementRegionData in elementRegion.RegionDataList:\r
                         if elementRegionData.endswith(".fv"):\r
                             continue\r
-                        if elementRegionData != None and elementRegionData.upper() not in FvList:\r
+                        if elementRegionData is not None and elementRegionData.upper() not in FvList:\r
                             FvList.append(elementRegionData.upper())\r
         return FvList\r
 \r
-    ## __GetReferencedFdFvTuple() method\r
+    ## _GetReferencedFdFvTuple() method\r
     #\r
     #   Get FD and FV list referenced by a FFS file\r
     #\r
@@ -4274,18 +4336,17 @@ class FdfParser:
     #   @param  RefFdList   referenced FD by section\r
     #   @param  RefFvList   referenced FV by section\r
     #\r
-    def __GetReferencedFdFvTuple(self, FvObj, RefFdList = [], RefFvList = []):\r
-\r
+    def _GetReferencedFdFvTuple(self, FvObj, RefFdList = [], RefFvList = []):\r
         for FfsObj in FvObj.FfsList:\r
-            if isinstance(FfsObj, FfsFileStatement.FileStatement):\r
-                if FfsObj.FvName != None and FfsObj.FvName.upper() not in RefFvList:\r
+            if isinstance(FfsObj, FileStatement):\r
+                if FfsObj.FvName is not None and FfsObj.FvName.upper() not in RefFvList:\r
                     RefFvList.append(FfsObj.FvName.upper())\r
-                elif FfsObj.FdName != None and FfsObj.FdName.upper() not in RefFdList:\r
+                elif FfsObj.FdName is not None and FfsObj.FdName.upper() not in RefFdList:\r
                     RefFdList.append(FfsObj.FdName.upper())\r
                 else:\r
-                    self.__GetReferencedFdFvTupleFromSection(FfsObj, RefFdList, RefFvList)\r
+                    self._GetReferencedFdFvTupleFromSection(FfsObj, RefFdList, RefFvList)\r
 \r
-    ## __GetReferencedFdFvTupleFromSection() method\r
+    ## _GetReferencedFdFvTupleFromSection() method\r
     #\r
     #   Get FD and FV list referenced by a FFS section\r
     #\r
@@ -4294,20 +4355,18 @@ class FdfParser:
     #   @param  FdList      referenced FD by section\r
     #   @param  FvList      referenced FV by section\r
     #\r
-    def __GetReferencedFdFvTupleFromSection(self, FfsFile, FdList = [], FvList = []):\r
-\r
-        SectionStack = []\r
-        SectionStack.extend(FfsFile.SectionList)\r
+    def _GetReferencedFdFvTupleFromSection(self, FfsFile, FdList = [], FvList = []):\r
+        SectionStack = list(FfsFile.SectionList)\r
         while SectionStack != []:\r
             SectionObj = SectionStack.pop()\r
-            if isinstance(SectionObj, FvImageSection.FvImageSection):\r
-                if SectionObj.FvName != None and SectionObj.FvName.upper() not in FvList:\r
+            if isinstance(SectionObj, FvImageSection):\r
+                if SectionObj.FvName is not None and SectionObj.FvName.upper() not in FvList:\r
                     FvList.append(SectionObj.FvName.upper())\r
-                if SectionObj.Fv != None and SectionObj.Fv.UiFvName != None and SectionObj.Fv.UiFvName.upper() not in FvList:\r
+                if SectionObj.Fv is not None and SectionObj.Fv.UiFvName is not None and SectionObj.Fv.UiFvName.upper() not in FvList:\r
                     FvList.append(SectionObj.Fv.UiFvName.upper())\r
-                    self.__GetReferencedFdFvTuple(SectionObj.Fv, FdList, FvList)\r
+                    self._GetReferencedFdFvTuple(SectionObj.Fv, FdList, FvList)\r
 \r
-            if isinstance(SectionObj, CompressSection.CompressSection) or isinstance(SectionObj, GuidSection.GuidSection):\r
+            if isinstance(SectionObj, CompressSection) or isinstance(SectionObj, GuidSection):\r
                 SectionStack.extend(SectionObj.SectionList)\r
 \r
     ## CycleReferenceCheck() method\r
@@ -4323,46 +4382,45 @@ class FdfParser:
         # Check the cycle between FV and FD image\r
         #\r
         MaxLength = len (self.Profile.FvDict)\r
-        for FvName in self.Profile.FvDict.keys():\r
+        for FvName in self.Profile.FvDict:\r
             LogStr = "\nCycle Reference Checking for FV: %s\n" % FvName\r
-            RefFvStack = []\r
-            RefFvStack.append(FvName)\r
-            FdAnalyzedList = []\r
-            \r
+            RefFvStack = set(FvName)\r
+            FdAnalyzedList = set()\r
+\r
             Index = 0\r
-            while RefFvStack != [] and Index < MaxLength:\r
+            while RefFvStack and Index < MaxLength:\r
                 Index = Index + 1\r
                 FvNameFromStack = RefFvStack.pop()\r
-                if FvNameFromStack.upper() in self.Profile.FvDict.keys():\r
+                if FvNameFromStack.upper() in self.Profile.FvDict:\r
                     FvObj = self.Profile.FvDict[FvNameFromStack.upper()]\r
                 else:\r
                     continue\r
 \r
                 RefFdList = []\r
                 RefFvList = []\r
-                self.__GetReferencedFdFvTuple(FvObj, RefFdList, RefFvList)\r
+                self._GetReferencedFdFvTuple(FvObj, RefFdList, RefFvList)\r
 \r
                 for RefFdName in RefFdList:\r
                     if RefFdName in FdAnalyzedList:\r
                         continue\r
 \r
                     LogStr += "FV %s contains FD %s\n" % (FvNameFromStack, RefFdName)\r
-                    FvInFdList = self.__GetFvInFd(RefFdName)\r
+                    FvInFdList = self._GetFvInFd(RefFdName)\r
                     if FvInFdList != []:\r
                         for FvNameInFd in FvInFdList:\r
-                            LogStr += "FD %s contains FV %s\n" % (RefFdName,FvNameInFd)\r
+                            LogStr += "FD %s contains FV %s\n" % (RefFdName, FvNameInFd)\r
                             if FvNameInFd not in RefFvStack:\r
-                                RefFvStack.append(FvNameInFd)\r
+                                RefFvStack.add(FvNameInFd)\r
 \r
                             if FvName in RefFvStack or FvNameFromStack in RefFvStack:\r
                                 EdkLogger.info(LogStr)\r
                                 return True\r
-                    FdAnalyzedList.append(RefFdName)\r
+                    FdAnalyzedList.add(RefFdName)\r
 \r
                 for RefFvName in RefFvList:\r
                     LogStr += "FV %s contains FV %s\n" % (FvNameFromStack, RefFvName)\r
                     if RefFvName not in RefFvStack:\r
-                        RefFvStack.append(RefFvName)\r
+                        RefFvStack.add(RefFvName)\r
 \r
                     if FvName in RefFvStack or FvNameFromStack in RefFvStack:\r
                         EdkLogger.info(LogStr)\r
@@ -4372,28 +4430,27 @@ class FdfParser:
         # Check the cycle between Capsule and FD image\r
         #\r
         MaxLength = len (self.Profile.CapsuleDict)\r
-        for CapName in self.Profile.CapsuleDict.keys():\r
+        for CapName in self.Profile.CapsuleDict:\r
             #\r
             # Capsule image to be checked.\r
             #\r
             LogStr = "\n\n\nCycle Reference Checking for Capsule: %s\n" % CapName\r
-            RefCapStack = []\r
-            RefCapStack.append(CapName)\r
-            FdAnalyzedList = []\r
-            FvAnalyzedList = []\r
-            \r
+            RefCapStack = {CapName}\r
+            FdAnalyzedList = set()\r
+            FvAnalyzedList = set()\r
+\r
             Index = 0\r
-            while RefCapStack != [] and Index < MaxLength:\r
+            while RefCapStack and Index < MaxLength:\r
                 Index = Index + 1\r
                 CapNameFromStack = RefCapStack.pop()\r
-                if CapNameFromStack.upper() in self.Profile.CapsuleDict.keys():\r
+                if CapNameFromStack.upper() in self.Profile.CapsuleDict:\r
                     CapObj = self.Profile.CapsuleDict[CapNameFromStack.upper()]\r
                 else:\r
                     continue\r
 \r
                 RefFvList = []\r
                 RefFdList = []\r
-                self.__GetReferencedFdCapTuple(CapObj, RefFdList, RefFvList)\r
+                self._GetReferencedFdCapTuple(CapObj, RefFdList, RefFvList)\r
 \r
                 FvListLength = 0\r
                 FdListLength = 0\r
@@ -4403,25 +4460,21 @@ class FdfParser:
                             continue\r
 \r
                         LogStr += "Capsule %s contains FD %s\n" % (CapNameFromStack, RefFdName)\r
-                        CapInFdList = self.__GetCapInFd(RefFdName)\r
-                        if CapInFdList != []:\r
-                            for CapNameInFd in CapInFdList:\r
-                                LogStr += "FD %s contains Capsule %s\n" % (RefFdName,CapNameInFd)\r
-                                if CapNameInFd not in RefCapStack:\r
-                                    RefCapStack.append(CapNameInFd)\r
-\r
-                                if CapName in RefCapStack or CapNameFromStack in RefCapStack:\r
-                                    EdkLogger.info(LogStr)\r
-                                    return True\r
-\r
-                        FvInFdList = self.__GetFvInFd(RefFdName)\r
-                        if FvInFdList != []:\r
-                            for FvNameInFd in FvInFdList:\r
-                                LogStr += "FD %s contains FV %s\n" % (RefFdName,FvNameInFd)\r
-                                if FvNameInFd not in RefFvList:\r
-                                    RefFvList.append(FvNameInFd)\r
-\r
-                        FdAnalyzedList.append(RefFdName)\r
+                        for CapNameInFd in self._GetCapInFd(RefFdName):\r
+                            LogStr += "FD %s contains Capsule %s\n" % (RefFdName, CapNameInFd)\r
+                            if CapNameInFd not in RefCapStack:\r
+                                RefCapStack.append(CapNameInFd)\r
+\r
+                            if CapName in RefCapStack or CapNameFromStack in RefCapStack:\r
+                                EdkLogger.info(LogStr)\r
+                                return True\r
+\r
+                        for FvNameInFd in self._GetFvInFd(RefFdName):\r
+                            LogStr += "FD %s contains FV %s\n" % (RefFdName, FvNameInFd)\r
+                            if FvNameInFd not in RefFvList:\r
+                                RefFvList.append(FvNameInFd)\r
+\r
+                        FdAnalyzedList.add(RefFdName)\r
                     #\r
                     # the number of the parsed FV and FD image\r
                     #\r
@@ -4431,29 +4484,33 @@ class FdfParser:
                         if RefFvName in FvAnalyzedList:\r
                             continue\r
                         LogStr += "Capsule %s contains FV %s\n" % (CapNameFromStack, RefFvName)\r
-                        if RefFvName.upper() in self.Profile.FvDict.keys():\r
+                        if RefFvName.upper() in self.Profile.FvDict:\r
                             FvObj = self.Profile.FvDict[RefFvName.upper()]\r
                         else:\r
                             continue\r
-                        self.__GetReferencedFdFvTuple(FvObj, RefFdList, RefFvList)\r
-                        FvAnalyzedList.append(RefFvName)\r
+                        self._GetReferencedFdFvTuple(FvObj, RefFdList, RefFvList)\r
+                        FvAnalyzedList.add(RefFvName)\r
 \r
         return False\r
 \r
+    def GetAllIncludedFile (self):\r
+        global AllIncludeFileList\r
+        return AllIncludeFileList\r
+\r
 if __name__ == "__main__":\r
     import sys\r
     try:\r
         test_file = sys.argv[1]\r
-    except IndexError, v:\r
-        print "Usage: %s filename" % sys.argv[0]\r
+    except IndexError as v:\r
+        print("Usage: %s filename" % sys.argv[0])\r
         sys.exit(1)\r
 \r
     parser = FdfParser(test_file)\r
     try:\r
         parser.ParseFile()\r
         parser.CycleReferenceCheck()\r
-    except Warning, X:\r
-        print str(X)\r
+    except Warning as X:\r
+        print(str(X))\r
     else:\r
-        print "Success!"\r
+        print("Success!")\r
 \r