## @file\r
# This file is used to parse and evaluate expression in directive or PCD value.\r
#\r
-# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+# Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\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
#\r
from Common.GlobalData import *\r
from CommonDataClass.Exceptions import BadExpression\r
-from CommonDataClass.Exceptions import SymbolNotFound\r
from CommonDataClass.Exceptions import WrnExpression\r
-from Misc import GuidStringToGuidStructureString\r
+from Misc import GuidStringToGuidStructureString, ParseFieldValue, IsFieldValueAnArray\r
+import Common.EdkLogger as EdkLogger\r
+import copy\r
\r
ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'\r
ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'\r
ERR_STRING_CMP = 'Unicode string and general string cannot be compared: [%s %s %s]'\r
ERR_ARRAY_TOKEN = 'Bad C array or C format GUID token: [%s].'\r
ERR_ARRAY_ELE = 'This must be HEX value for NList or Array: [%s].'\r
+ERR_EMPTY_EXPR = 'Empty expression is not allowed.'\r
+ERR_IN_OPERAND = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'\r
+\r
+__ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')\r
\r
## SplitString\r
# Split string to list according double quote\r
# For example: abc"de\"f"ghi"jkl"mn will be: ['abc', '"de\"f"', 'ghi', '"jkl"', 'mn']\r
#\r
def SplitString(String):\r
- # There might be escaped quote: "abc\"def\\\"ghi"\r
- Str = String.replace('\\\\', '//').replace('\\\"', '\\\'')\r
+ # There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'\r
RetList = []\r
- InQuote = False\r
+ InSingleQuote = False\r
+ InDoubleQuote = False\r
Item = ''\r
- for i, ch in enumerate(Str):\r
- if ch == '"':\r
- InQuote = not InQuote\r
- if not InQuote:\r
+ for i, ch in enumerate(String):\r
+ if ch == '"' and not InSingleQuote:\r
+ if String[i - 1] != '\\':\r
+ InDoubleQuote = not InDoubleQuote\r
+ if not InDoubleQuote:\r
+ Item += String[i]\r
+ RetList.append(Item)\r
+ Item = ''\r
+ continue\r
+ if Item:\r
+ RetList.append(Item)\r
+ Item = ''\r
+ elif ch == "'" and not InDoubleQuote:\r
+ if String[i - 1] != '\\':\r
+ InSingleQuote = not InSingleQuote\r
+ if not InSingleQuote:\r
Item += String[i]\r
RetList.append(Item)\r
Item = ''\r
RetList.append(Item)\r
Item = ''\r
Item += String[i]\r
- if InQuote:\r
+ if InSingleQuote or InDoubleQuote:\r
raise BadExpression(ERR_STRING_TOKEN % Item)\r
if Item:\r
RetList.append(Item)\r
return RetList\r
\r
+def SplitPcdValueString(String):\r
+ # There might be escaped comma in GUID() or DEVICE_PATH() or " "\r
+ # or ' ' or L' ' or L" "\r
+ RetList = []\r
+ InParenthesis = 0\r
+ InSingleQuote = False\r
+ InDoubleQuote = False\r
+ Item = ''\r
+ for i, ch in enumerate(String):\r
+ if ch == '(':\r
+ InParenthesis += 1\r
+ elif ch == ')':\r
+ if InParenthesis:\r
+ InParenthesis -= 1\r
+ else:\r
+ raise BadExpression(ERR_STRING_TOKEN % Item)\r
+ elif ch == '"' and not InSingleQuote:\r
+ if String[i-1] != '\\':\r
+ InDoubleQuote = not InDoubleQuote\r
+ elif ch == "'" and not InDoubleQuote:\r
+ if String[i-1] != '\\':\r
+ InSingleQuote = not InSingleQuote\r
+ elif ch == ',':\r
+ if InParenthesis or InSingleQuote or InDoubleQuote:\r
+ Item += String[i]\r
+ continue\r
+ elif Item:\r
+ RetList.append(Item)\r
+ Item = ''\r
+ continue\r
+ Item += String[i]\r
+ if InSingleQuote or InDoubleQuote or InParenthesis:\r
+ raise BadExpression(ERR_STRING_TOKEN % Item)\r
+ if Item:\r
+ RetList.append(Item)\r
+ return RetList\r
+\r
+def IsValidCName(Str):\r
+ return True if __ValidString.match(Str) else False\r
+\r
+def BuildOptionValue(PcdValue, GuidDict):\r
+ if PcdValue.startswith('H'):\r
+ InputValue = PcdValue[1:]\r
+ elif PcdValue.startswith("L'") or PcdValue.startswith("'"):\r
+ InputValue = PcdValue\r
+ elif PcdValue.startswith('L'):\r
+ InputValue = 'L"' + PcdValue[1:] + '"'\r
+ else:\r
+ InputValue = PcdValue\r
+ if IsFieldValueAnArray(InputValue):\r
+ try:\r
+ PcdValue = ValueExpressionEx(InputValue, 'VOID*', GuidDict)(True)\r
+ except:\r
+ pass\r
+ return PcdValue\r
+\r
## ReplaceExprMacro\r
#\r
def ReplaceExprMacro(String, Macros, ExceptionList = None):\r
InQuote = True\r
MacroStartPos = String.find('$(')\r
if MacroStartPos < 0:\r
+ for Pcd in gPlatformPcds.keys():\r
+ if Pcd in String:\r
+ if Pcd not in gConditionalPcds:\r
+ gConditionalPcds.append(Pcd)\r
continue\r
RetStr = ''\r
while MacroStartPos >= 0:\r
# If an undefined macro name appears in the constant-expression of\r
# !if or !elif, it is replaced by the integer constant 0.\r
RetStr += '0'\r
- elif not InQuote and ExceptionList and Macro in ExceptionList:\r
+ elif not InQuote:\r
+ Tklst = RetStr.split()\r
+ if Tklst and Tklst[-1] in ['IN', 'in'] and ExceptionList and Macro not in ExceptionList:\r
+ raise BadExpression(ERR_IN_OPERAND)\r
# Make sure the macro in exception list is encapsulated by double quote\r
# For example: DEFINE ARCH = IA32 X64\r
# $(ARCH) is replaced with "IA32 X64"\r
- RetStr += '"' + Macros[Macro] + '"'\r
- else:\r
- if Macros[Macro].strip() != "":\r
+ if ExceptionList and Macro in ExceptionList:\r
+ RetStr += '"' + Macros[Macro] + '"'\r
+ elif Macros[Macro].strip():\r
RetStr += Macros[Macro]\r
else:\r
RetStr += '""'\r
+ else:\r
+ RetStr += Macros[Macro]\r
RetStr += String[MacroEndPos+1:]\r
String = RetStr\r
MacroStartPos = String.find('$(')\r
StrList[i] = RetStr\r
return ''.join(StrList)\r
\r
+# transfer int to string for in/not in expression\r
+def IntToStr(Value):\r
+ StrList = []\r
+ while Value > 0:\r
+ StrList.append(chr(Value & 0xff))\r
+ Value = Value >> 8\r
+ Value = '"' + ''.join(StrList) + '"'\r
+ return Value\r
+\r
+SupportedInMacroList = ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH', 'FAMILY']\r
+\r
class ValueExpression(object):\r
# Logical operator mapping\r
LogicalOperators = {\r
'IN' : 'in'\r
}\r
\r
- NonLetterOpLst = ['+', '-', '&', '|', '^', '!', '=', '>', '<']\r
+ NonLetterOpLst = ['+', '-', '*', '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']\r
\r
PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')\r
HexPattern = re.compile(r'0[xX][0-9a-fA-F]+$')\r
@staticmethod\r
def Eval(Operator, Oprand1, Oprand2 = None):\r
WrnExp = None\r
- \r
+\r
if Operator not in ["==", "!=", ">=", "<=", ">", "<", "in", "not in"] and \\r
(type(Oprand1) == type('') or type(Oprand2) == type('')):\r
raise BadExpression(ERR_STRING_EXPR % Operator)\r
-\r
+ if Operator in ['in', 'not in']:\r
+ if type(Oprand1) != type(''):\r
+ Oprand1 = IntToStr(Oprand1)\r
+ if type(Oprand2) != type(''):\r
+ Oprand2 = IntToStr(Oprand2)\r
TypeDict = {\r
type(0) : 0,\r
type(0L) : 0,\r
if type(Oprand1) == type(''):\r
raise BadExpression(ERR_STRING_EXPR % Operator)\r
EvalStr = 'not Oprand1'\r
+ elif Operator in ["~"]:\r
+ if type(Oprand1) == type(''):\r
+ raise BadExpression(ERR_STRING_EXPR % Operator)\r
+ EvalStr = '~ Oprand1'\r
else:\r
if Operator in ["+", "-"] and (type(True) in [type(Oprand1), type(Oprand2)]):\r
# Boolean in '+'/'-' will be evaluated but raise warning\r
raise WrnExp\r
else:\r
raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)\r
- elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]: \r
+ elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:\r
if Operator in ["==", "!=", ">=", "<=", ">", "<"] and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r
# comparison between number and boolean is allowed\r
pass\r
- elif Operator in ['&', '|', '^', "&&", "||"] and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r
+ elif Operator in ['&', '|', '^', "and", "or"] and set((TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set((TypeDict[type(True)], TypeDict[type(0)])):\r
# bitwise and logical operation between number and boolean is allowed\r
- pass \r
+ pass\r
else:\r
raise BadExpression(ERR_EXPR_TYPE)\r
if type(Oprand1) == type('') and type(Oprand2) == type(''):\r
Val = True\r
else:\r
Val = False\r
- \r
+\r
if WrnExp:\r
WrnExp.result = Val\r
raise WrnExp\r
\r
self._Expr = ReplaceExprMacro(Expression.strip(),\r
SymbolTable,\r
- ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH'])\r
+ SupportedInMacroList)\r
\r
if not self._Expr.strip():\r
- self._NoProcess = True\r
- return\r
+ raise BadExpression(ERR_EMPTY_EXPR)\r
\r
#\r
# The symbol table including PCD and macro mapping\r
#\r
- self._Symb = SymbolTable\r
+ self._Symb = copy.deepcopy(SymbolTable)\r
self._Symb.update(self.LogicalOperators)\r
self._Idx = 0\r
self._Len = len(self._Expr)\r
self._Token = ''\r
+ self._WarnExcept = None\r
\r
# Literal token without any conversion\r
self._LiteralToken = ''\r
\r
# Public entry for this class\r
- def __call__(self):\r
+ # @param RealValue: False: only evaluate if the expression is true or false, used for conditional expression\r
+ # True : return the evaluated str(value), used for PCD value\r
+ #\r
+ # @return: True or False if RealValue is False\r
+ # Evaluated value of string format if RealValue is True\r
+ #\r
+ def __call__(self, RealValue=False, Depth=0):\r
if self._NoProcess:\r
return self._Expr\r
\r
- Val = self._OrExpr()\r
- if type(Val) == type('') and Val == 'L""':\r
- Val = ''\r
+ self._Depth = Depth\r
+\r
+ self._Expr = self._Expr.strip()\r
+ if RealValue and Depth == 0:\r
+ self._Token = self._Expr\r
+ if self.__IsNumberToken():\r
+ return self._Expr\r
+ Token = ''\r
+ try:\r
+ Token = self._GetToken()\r
+ except BadExpression:\r
+ pass\r
+ if type(Token) == type('') and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:\r
+ return self._Expr\r
+\r
+ self._Idx = 0\r
+ self._Token = ''\r
+\r
+ Val = self._ConExpr()\r
+ RealVal = Val\r
+ if type(Val) == type(''):\r
+ if Val == 'L""':\r
+ Val = False\r
+ elif not Val:\r
+ Val = False\r
+ RealVal = '""'\r
+ elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'"):\r
+ Val = True\r
+ RealVal = '"' + RealVal + '"'\r
\r
# The expression has been parsed, but the end of expression is not reached\r
# It means the rest does not comply EBNF of <Expression>\r
if self._Idx != self._Len:\r
raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])\r
\r
- return Val\r
+ if RealValue:\r
+ RetVal = str(RealVal)\r
+ elif Val:\r
+ RetVal = True\r
+ else:\r
+ RetVal = False\r
+\r
+ if self._WarnExcept:\r
+ self._WarnExcept.result = RetVal\r
+ raise self._WarnExcept\r
+ else:\r
+ return RetVal\r
\r
# Template function to parse binary operators which have same precedence\r
# Expr [Operator Expr]*\r
Val = EvalFunc()\r
while self._IsOperator(OpLst):\r
Op = self._Token\r
- Val = self.Eval(Op, Val, EvalFunc())\r
+ if Op == '?':\r
+ Val2 = EvalFunc()\r
+ if self._IsOperator(':'):\r
+ Val3 = EvalFunc()\r
+ if Val:\r
+ Val = Val2\r
+ else:\r
+ Val = Val3\r
+ continue\r
+ try:\r
+ Val = self.Eval(Op, Val, EvalFunc())\r
+ except WrnExpression, Warn:\r
+ self._WarnExcept = Warn\r
+ Val = Warn.result\r
return Val\r
+ # A [? B]*\r
+ def _ConExpr(self):\r
+ return self._ExprFuncTemplate(self._OrExpr, ['?', ':'])\r
\r
# A [|| B]*\r
def _OrExpr(self):\r
if not self._IsOperator(["IN", "in"]):\r
raise BadExpression(ERR_REL_NOT_IN)\r
Op += ' ' + self._Token\r
- Val = self.Eval(Op, Val, self._RelExpr())\r
+ try:\r
+ Val = self.Eval(Op, Val, self._RelExpr())\r
+ except WrnExpression, Warn:\r
+ self._WarnExcept = Warn\r
+ Val = Warn.result\r
return Val\r
\r
# A [ > B]*\r
def _RelExpr(self):\r
- return self._ExprFuncTemplate(self._AddExpr, ["<=", ">=", "<", ">", "LE", "GE", "LT", "GT"])\r
+ return self._ExprFuncTemplate(self._ShiftExpr, ["<=", ">=", "<", ">", "LE", "GE", "LT", "GT"])\r
+\r
+ def _ShiftExpr(self):\r
+ return self._ExprFuncTemplate(self._AddExpr, ["<<", ">>"])\r
\r
# A [ + B]*\r
def _AddExpr(self):\r
- return self._ExprFuncTemplate(self._UnaryExpr, ["+", "-"])\r
+ return self._ExprFuncTemplate(self._MulExpr, ["+", "-"])\r
+\r
+ # A [ * B]*\r
+ def _MulExpr(self):\r
+ return self._ExprFuncTemplate(self._UnaryExpr, ["*", "/", "%"])\r
\r
# [!]*A\r
def _UnaryExpr(self):\r
if self._IsOperator(["!", "NOT", "not"]):\r
Val = self._UnaryExpr()\r
- return self.Eval('not', Val)\r
+ try:\r
+ return self.Eval('not', Val)\r
+ except WrnExpression, Warn:\r
+ self._WarnExcept = Warn\r
+ return Warn.result\r
+ if self._IsOperator(["~"]):\r
+ Val = self._UnaryExpr()\r
+ try:\r
+ return self.Eval('~', Val)\r
+ except WrnExpression, Warn:\r
+ self._WarnExcept = Warn\r
+ return Warn.result\r
return self._IdenExpr()\r
\r
# Parse identifier or encapsulated expression\r
def _IdenExpr(self):\r
Tk = self._GetToken()\r
if Tk == '(':\r
- Val = self._OrExpr()\r
+ Val = self._ConExpr()\r
try:\r
# _GetToken may also raise BadExpression\r
if self._GetToken() != ')':\r
Radix = 10\r
if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:\r
Radix = 16\r
+ if self._Token.startswith('"') or self._Token.startswith('L"'):\r
+ Flag = 0\r
+ for Index in range(len(self._Token)):\r
+ if self._Token[Index] in ['"']:\r
+ if self._Token[Index - 1] == '\\':\r
+ continue\r
+ Flag += 1\r
+ if Flag == 2 and self._Token.endswith('"'):\r
+ return True\r
+ if self._Token.startswith("'") or self._Token.startswith("L'"):\r
+ Flag = 0\r
+ for Index in range(len(self._Token)):\r
+ if self._Token[Index] in ["'"]:\r
+ if self._Token[Index - 1] == '\\':\r
+ continue\r
+ Flag += 1\r
+ if Flag == 2 and self._Token.endswith("'"):\r
+ return True\r
try:\r
self._Token = int(self._Token, Radix)\r
return True\r
self._Idx += 1\r
\r
# Replace escape \\\", \"\r
- Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r
- for Ch in Expr:\r
- self._Idx += 1\r
- if Ch == '"':\r
- break\r
- self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r
- if not self._Token.endswith('"'):\r
- raise BadExpression(ERR_STRING_TOKEN % self._Token)\r
+ if self._Expr[Idx] == '"':\r
+ Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace('\\\"', '\\\'')\r
+ for Ch in Expr:\r
+ self._Idx += 1\r
+ if Ch == '"':\r
+ break\r
+ self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r
+ if not self._Token.endswith('"'):\r
+ raise BadExpression(ERR_STRING_TOKEN % self._Token)\r
+ #Replace escape \\\', \'\r
+ elif self._Expr[Idx] == "'":\r
+ Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace("\\\'", "\\\"")\r
+ for Ch in Expr:\r
+ self._Idx += 1\r
+ if Ch == "'":\r
+ break\r
+ self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]\r
+ if not self._Token.endswith("'"):\r
+ raise BadExpression(ERR_STRING_TOKEN % self._Token)\r
self._Token = self._Token[1:-1]\r
return self._Token\r
\r
def __GetIdToken(self, IsAlphaOp = False):\r
IdToken = ''\r
for Ch in self._Expr[self._Idx:]:\r
- if not self.__IsIdChar(Ch):\r
+ if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):\r
break\r
self._Idx += 1\r
IdToken += Ch\r
# PCD token\r
if self.PcdPattern.match(self._Token):\r
if self._Token not in self._Symb:\r
- raise SymbolNotFound(ERR_PCD_RESOLVE % self._Token)\r
- self._Token = ValueExpression(self._Symb[self._Token], self._Symb)()\r
+ Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)\r
+ Ex.Pcd = self._Token\r
+ raise Ex\r
+ self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)\r
if type(self._Token) != type(''):\r
self._LiteralToken = hex(self._Token)\r
return\r
\r
if self.HexPattern.match(self._LiteralToken):\r
Token = self._LiteralToken[2:]\r
- Token = Token.lstrip('0')\r
if not Token:\r
self._LiteralToken = '0x0'\r
else:\r
\r
@staticmethod\r
def __IsIdChar(Ch):\r
- return Ch in '._/:' or Ch.isalnum()\r
+ return Ch in '._:' or Ch.isalnum()\r
\r
# Parse operand\r
def _GetSingleToken(self):\r
UStr = self.__GetString()\r
self._Token = 'L"' + UStr + '"'\r
return self._Token\r
+ elif Expr.startswith("L'"):\r
+ # Skip L\r
+ self._Idx += 1\r
+ UStr = self.__GetString()\r
+ self._Token = "L'" + UStr + "'"\r
+ return self._Token\r
+ elif Expr.startswith("'"):\r
+ UStr = self.__GetString()\r
+ self._Token = "'" + UStr + "'"\r
+ return self._Token\r
+ elif Expr.startswith('UINT'):\r
+ Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')\r
+ try:\r
+ RetValue = Re.search(Expr).group(1)\r
+ except:\r
+ raise BadExpression('Invalid Expression %s' % Expr)\r
+ Idx = self._Idx\r
+ for Ch in Expr:\r
+ self._Idx += 1\r
+ if Ch == '(':\r
+ Prefix = self._Expr[Idx:self._Idx - 1]\r
+ Idx = self._Idx\r
+ if Ch == ')':\r
+ TmpValue = self._Expr[Idx :self._Idx - 1]\r
+ TmpValue = ValueExpression(TmpValue)(True)\r
+ TmpValue = '0x%x' % int(TmpValue) if type(TmpValue) != type('') else TmpValue\r
+ break\r
+ self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')\r
+ return self._Token\r
\r
self._Token = ''\r
if Expr:\r
if Match and not Expr[Match.end():Match.end()+1].isalnum() \\r
and Expr[Match.end():Match.end()+1] != '_':\r
self._Idx += Match.end()\r
- self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))()\r
+ self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)\r
return self._Token\r
elif self.__IsIdChar(Ch):\r
return self.__GetIdToken()\r
# Parse operator\r
def _GetOperator(self):\r
self.__SkipWS()\r
- LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst\r
+ LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?',':']\r
\r
self._Token = ''\r
Expr = self._Expr[self._Idx:]\r
OpToken = ''\r
for Ch in Expr:\r
if Ch in self.NonLetterOpLst:\r
- if '!' == Ch and OpToken in ['!=', '!']:\r
+ if '!' == Ch and OpToken:\r
break\r
self._Idx += 1\r
OpToken += Ch\r
self._Idx = Idx\r
return False\r
\r
-if __name__ == '__main__':\r
- pass\r
+class ValueExpressionEx(ValueExpression):\r
+ def __init__(self, PcdValue, PcdType, SymbolTable={}):\r
+ ValueExpression.__init__(self, PcdValue, SymbolTable)\r
+ self.PcdValue = PcdValue\r
+ self.PcdType = PcdType\r
\r
+ def __call__(self, RealValue=False, Depth=0):\r
+ PcdValue = self.PcdValue\r
+ try:\r
+ PcdValue = ValueExpression.__call__(self, RealValue, Depth)\r
+ if self.PcdType == 'VOID*' and (PcdValue.startswith("'") or PcdValue.startswith("L'")):\r
+ PcdValue, Size = ParseFieldValue(PcdValue)\r
+ PcdValueList = []\r
+ for I in range(Size):\r
+ PcdValueList.append('0x%02X'%(PcdValue & 0xff))\r
+ PcdValue = PcdValue >> 8\r
+ PcdValue = '{' + ','.join(PcdValueList) + '}'\r
+ elif self.PcdType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN'] and (PcdValue.startswith("'") or \\r
+ PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):\r
+ raise BadExpression\r
+ except WrnExpression, Value:\r
+ PcdValue = Value.result\r
+ except BadExpression, Value:\r
+ if self.PcdType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN']:\r
+ PcdValue = PcdValue.strip()\r
+ if type(PcdValue) == type('') and PcdValue.startswith('{') and PcdValue.endswith('}'):\r
+ PcdValue = SplitPcdValueString(PcdValue[1:-1])\r
+ if type(PcdValue) == type([]):\r
+ TmpValue = 0\r
+ Size = 0\r
+ ValueType = ''\r
+ for Item in PcdValue:\r
+ Item = Item.strip()\r
+ if Item.startswith('UINT8'):\r
+ ItemSize = 1\r
+ ValueType = 'UINT8'\r
+ elif Item.startswith('UINT16'):\r
+ ItemSize = 2\r
+ ValueType = 'UINT16'\r
+ elif Item.startswith('UINT32'):\r
+ ItemSize = 4\r
+ ValueType = 'UINT32'\r
+ elif Item.startswith('UINT64'):\r
+ ItemSize = 8\r
+ ValueType = 'UINT64'\r
+ elif Item.startswith('"') or Item.startswith("'") or Item.startswith('L'):\r
+ ItemSize = 0\r
+ ValueType = 'VOID*'\r
+ else:\r
+ ItemSize = 0\r
+ ValueType = 'UINT8'\r
+ Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r
+\r
+ if ItemSize == 0:\r
+ try:\r
+ tmpValue = int(Item, 16) if Item.upper().startswith('0X') else int(Item, 0)\r
+ if tmpValue > 255:\r
+ raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r
+ except BadExpression, Value:\r
+ raise BadExpression(Value)\r
+ except ValueError:\r
+ pass\r
+ ItemValue, ItemSize = ParseFieldValue(Item)\r
+ else:\r
+ ItemValue = ParseFieldValue(Item)[0]\r
+\r
+ if type(ItemValue) == type(''):\r
+ ItemValue = int(ItemValue, 16) if ItemValue.startswith('0x') else int(ItemValue)\r
+\r
+ TmpValue = (ItemValue << (Size * 8)) | TmpValue\r
+ Size = Size + ItemSize\r
+ else:\r
+ try:\r
+ TmpValue, Size = ParseFieldValue(PcdValue)\r
+ except BadExpression, Value:\r
+ raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))\r
+ if type(TmpValue) == type(''):\r
+ try:\r
+ TmpValue = int(TmpValue)\r
+ except:\r
+ raise BadExpression(Value)\r
+ else:\r
+ PcdValue = '0x%0{}X'.format(Size) % (TmpValue)\r
+ if TmpValue < 0:\r
+ raise BadExpression('Type %s PCD Value is negative' % self.PcdType)\r
+ if self.PcdType == 'UINT8' and Size > 1:\r
+ raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)\r
+ if self.PcdType == 'UINT16' and Size > 2:\r
+ raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)\r
+ if self.PcdType == 'UINT32' and Size > 4:\r
+ raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)\r
+ if self.PcdType == 'UINT64' and Size > 8:\r
+ raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)\r
+ else:\r
+ try:\r
+ TmpValue = long(PcdValue)\r
+ TmpList = []\r
+ if TmpValue.bit_length() == 0:\r
+ PcdValue = '{0x00}'\r
+ else:\r
+ for I in range((TmpValue.bit_length() + 7) / 8):\r
+ TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))\r
+ PcdValue = '{' + ', '.join(TmpList) + '}'\r
+ except:\r
+ if PcdValue.strip().startswith('{'):\r
+ PcdValueList = SplitPcdValueString(PcdValue.strip()[1:-1])\r
+ LabelDict = {}\r
+ NewPcdValueList = []\r
+ ReLabel = re.compile('LABEL\((\w+)\)')\r
+ ReOffset = re.compile('OFFSET_OF\((\w+)\)')\r
+ LabelOffset = 0\r
+ for Index, Item in enumerate(PcdValueList):\r
+ # compute byte offset of every LABEL\r
+ LabelList = ReLabel.findall(Item)\r
+ Item = ReLabel.sub('', Item)\r
+ Item = Item.strip()\r
+ if LabelList:\r
+ for Label in LabelList:\r
+ if not IsValidCName(Label):\r
+ raise BadExpression('%s is not a valid c variable name' % Label)\r
+ if Label not in LabelDict.keys():\r
+ LabelDict[Label] = str(LabelOffset)\r
+ if Item.startswith('UINT8'):\r
+ LabelOffset = LabelOffset + 1\r
+ elif Item.startswith('UINT16'):\r
+ LabelOffset = LabelOffset + 2\r
+ elif Item.startswith('UINT32'):\r
+ LabelOffset = LabelOffset + 4\r
+ elif Item.startswith('UINT64'):\r
+ LabelOffset = LabelOffset + 8\r
+ else:\r
+ try:\r
+ ItemValue, ItemSize = ParseFieldValue(Item)\r
+ LabelOffset = LabelOffset + ItemSize\r
+ except:\r
+ LabelOffset = LabelOffset + 1\r
+\r
+ for Index, Item in enumerate(PcdValueList):\r
+ # for LABEL parse\r
+ Item = Item.strip()\r
+ try:\r
+ Item = ReLabel.sub('', Item)\r
+ except:\r
+ pass\r
+ try:\r
+ OffsetList = ReOffset.findall(Item)\r
+ except:\r
+ pass\r
+ for Offset in OffsetList:\r
+ if Offset in LabelDict.keys():\r
+ Re = re.compile('OFFSET_OF\(%s\)' % Offset)\r
+ Item = Re.sub(LabelDict[Offset], Item)\r
+ else:\r
+ raise BadExpression('%s not defined' % Offset)\r
+ NewPcdValueList.append(Item)\r
+\r
+ AllPcdValueList = []\r
+ for Item in NewPcdValueList:\r
+ Size = 0\r
+ ValueStr = ''\r
+ TokenSpaceGuidName = ''\r
+ if Item.startswith('GUID') and Item.endswith(')'):\r
+ try:\r
+ TokenSpaceGuidName = re.search('GUID\((\w+)\)', Item).group(1)\r
+ except:\r
+ pass\r
+ if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:\r
+ Item = 'GUID(' + self._Symb[TokenSpaceGuidName] + ')'\r
+ elif TokenSpaceGuidName:\r
+ raise BadExpression('%s not found in DEC file' % TokenSpaceGuidName)\r
+ Item, Size = ParseFieldValue(Item)\r
+ for Index in range(0, Size):\r
+ ValueStr = '0x%02X' % (int(Item) & 255)\r
+ Item >>= 8\r
+ AllPcdValueList.append(ValueStr)\r
+ continue\r
+ elif Item.startswith('DEVICE_PATH') and Item.endswith(')'):\r
+ Item, Size = ParseFieldValue(Item)\r
+ AllPcdValueList.append(Item[1:-1])\r
+ continue\r
+ else:\r
+ ValueType = ""\r
+ if Item.startswith('UINT8'):\r
+ ItemSize = 1\r
+ ValueType = "UINT8"\r
+ elif Item.startswith('UINT16'):\r
+ ItemSize = 2\r
+ ValueType = "UINT16"\r
+ elif Item.startswith('UINT32'):\r
+ ItemSize = 4\r
+ ValueType = "UINT32"\r
+ elif Item.startswith('UINT64'):\r
+ ItemSize = 8\r
+ ValueType = "UINT64"\r
+ else:\r
+ ItemSize = 0\r
+ if ValueType:\r
+ TmpValue = ValueExpressionEx(Item, ValueType, self._Symb)(True)\r
+ else:\r
+ TmpValue = ValueExpressionEx(Item, self.PcdType, self._Symb)(True)\r
+ Item = '0x%x' % TmpValue if type(TmpValue) != type('') else TmpValue\r
+ if ItemSize == 0:\r
+ ItemValue, ItemSize = ParseFieldValue(Item)\r
+ if not (Item.startswith('"') or Item.startswith('L') or Item.startswith('{')) and ItemSize > 1:\r
+ raise BadExpression("Byte array number %s should less than 0xFF." % Item)\r
+ else:\r
+ ItemValue = ParseFieldValue(Item)[0]\r
+ for I in range(0, ItemSize):\r
+ ValueStr = '0x%02X' % (int(ItemValue) & 255)\r
+ ItemValue >>= 8\r
+ AllPcdValueList.append(ValueStr)\r
+ Size += ItemSize\r
+\r
+ if Size > 0:\r
+ PcdValue = '{' + ','.join(AllPcdValueList) + '}'\r
+ else:\r
+ raise BadExpression("Type: %s, Value: %s, %s"%(self.PcdType, PcdValue, Value))\r
+\r
+ if PcdValue == 'True':\r
+ PcdValue = '1'\r
+ if PcdValue == 'False':\r
+ PcdValue = '0'\r
+\r
+ if RealValue:\r
+ return PcdValue\r
\r
+if __name__ == '__main__':\r
+ pass\r
+ while True:\r
+ input = raw_input('Input expr: ')\r
+ if input in 'qQ':\r
+ break\r
+ try:\r
+ print ValueExpression(input)(True)\r
+ print ValueExpression(input)(False)\r
+ except WrnExpression, Ex:\r
+ print Ex.result\r
+ print str(Ex)\r
+ except Exception, Ex:\r
+ print str(Ex)\r