def _GetSingleToken(self):
self.__SkipWS()
Expr = self._Expr[self._Idx:]
if Expr.startswith('L"'):
# Skip L
self._Idx += 1
UStr = self.__GetString()
self._Token = 'L"' + UStr + '"'
return self._Token
elif Expr.startswith("L'"):
# Skip L
self._Idx += 1
UStr = self.__GetString()
self._Token = "L'" + UStr + "'"
return self._Token
elif Expr.startswith("'"):
UStr = self.__GetString()
self._Token = "'" + UStr + "'"
return self._Token
elif Expr.startswith('UINT'):
Re = re.compile('(?:UINT8|UINT16|UINT32|UINT64)\((.+)\)')
try:
RetValue = Re.search(Expr).group(1)
except:
raise BadExpression('Invalid Expression %s' % Expr)
Idx = self._Idx
for Ch in Expr:
self._Idx += 1
if Ch == '(':
Prefix = self._Expr[Idx:self._Idx - 1]
Idx = self._Idx
if Ch == ')':
TmpValue = self._Expr[Idx :self._Idx - 1]
TmpValue = ValueExpression(TmpValue)(True)
TmpValue = '0x%x' % int(TmpValue) if not isinstance(TmpValue, type('')) else TmpValue
break
self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')
return self._Token
self._Token = ''
if Expr:
Ch = Expr[0]
Match = gGuidPattern.match(Expr)
if Match and not Expr[Match.end():Match.end()+1].isalnum() \
and Expr[Match.end():Match.end()+1] != '_':
self._Idx += Match.end()
self._Token = ValueExpression(GuidStringToGuidStructureString(Expr[0:Match.end()]))(True, self._Depth+1)
return self._Token
elif self.__IsIdChar(Ch):
return self.__GetIdToken()
elif Ch == '"':
return self.__GetString()
elif Ch == '{':
return self.__GetArray()
elif Ch == '(' or Ch == ')':
self._Idx += 1
self._Token = Ch
return self._Token
raise BadExpression(ERR_VALID_TOKEN % Expr)
def __GetNList(self, InArray=False):
self._GetSingleToken()
if not self.__IsHexLiteral():
if InArray:
raise BadExpression(ERR_ARRAY_ELE % self._Token)
return self._Token
self.__SkipWS()
Expr = self._Expr[self._Idx:]
if not Expr.startswith(','):
return self._Token
NList = self._LiteralToken
while Expr.startswith(','):
NList += ','
self._Idx += 1
self.__SkipWS()
self._GetSingleToken()
if not self.__IsHexLiteral():
raise BadExpression(ERR_ARRAY_ELE % self._Token)
NList += self._LiteralToken
self.__SkipWS()
Expr = self._Expr[self._Idx:]
self._Token = self._LiteralToken = NList
return self._Token
def __GetString(self):
Idx = self._Idx
# Skip left quote
self._Idx += 1
# Replace escape \\\", \"
if self._Expr[Idx] == '"':
Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace(
'\\\"', '\\\'')
for Ch in Expr:
self._Idx += 1
if Ch == '"':
break
self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]
if not self._Token.endswith('"'):
raise BadExpression(ERR_STRING_TOKEN % self._Token)
#Replace escape \\\', \'
elif self._Expr[Idx] == "'":
Expr = self._Expr[self._Idx:].replace('\\\\', '//').replace(
"\\\'", "\\\"")
for Ch in Expr:
self._Idx += 1
if Ch == "'":
break
self._Token = self._LiteralToken = self._Expr[Idx:self._Idx]
if not self._Token.endswith("'"):
raise BadExpression(ERR_STRING_TOKEN % self._Token)
self._Token = self._Token[1:-1]
return self._Token
def __GetArray(self):
Token = '{'
self._Idx += 1
self.__GetNList(True)
Token += self._LiteralToken
if self._Idx >= self._Len or self._Expr[self._Idx] != '}':
raise BadExpression(ERR_ARRAY_TOKEN % Token)
Token += '}'
# All whitespace and tabs in array are already stripped.
IsArray = IsGuid = False
if len(Token.split(',')) == 11 and len(Token.split(',{')) == 2 \
and len(Token.split('},')) == 1:
HexLen = [11, 6, 6, 5, 4, 4, 4, 4, 4, 4, 6]
HexList = Token.split(',')
if HexList[3].startswith('{') and \
not [Index for Index, Hex in enumerate(HexList) if len(Hex) > HexLen[Index]]:
IsGuid = True
if Token.lstrip('{').rstrip('}').find('{') == -1:
if not [
Hex for Hex in Token.lstrip('{').rstrip('}').split(',')
if len(Hex) > 4
]:
IsArray = True
if not IsArray and not IsGuid:
raise BadExpression(ERR_ARRAY_TOKEN % Token)
self._Idx += 1
self._Token = self._LiteralToken = Token
return self._Token
def _IdenExpr(self):
Tk = self._GetToken()
if Tk == '(':
Val = self._OrExpr()
try:
# _GetToken may also raise BadExpression
if self._GetToken() != ')':
raise BadExpression(ERR_MATCH)
except BadExpression:
raise BadExpression(ERR_MATCH)
return Val
return Tk
def _GetOperator(self):
self.__SkipWS()
LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst
self._Token = ''
Expr = self._Expr[self._Idx:]
# Reach end of expression
if not Expr:
return ''
# Script operator: LT, GT, LE, GE, EQ, NE, and, or, xor, not
if Expr[0].isalpha():
return self.__GetIdToken(True)
# Start to get regular operator: +, -, <, > ...
if Expr[0] not in self.NonLetterOpLst:
return ''
OpToken = ''
for Ch in Expr:
if Ch in self.NonLetterOpLst:
if '!' == Ch and OpToken:
break
self._Idx += 1
OpToken += Ch
else:
break
if OpToken not in LegalOpLst:
raise BadExpression(ERR_OPERATOR_UNSUPPORT % OpToken)
self._Token = OpToken
return OpToken
def __init__(self, Expression, PcdDataType, SymbolTable={}):
super(RangeExpression, self).__init__(self, Expression, PcdDataType,
SymbolTable)
self._NoProcess = False
if not isinstance(Expression, type('')):
self._Expr = Expression
self._NoProcess = True
return
self._Expr = Expression.strip()
if not self._Expr.strip():
raise BadExpression(ERR_EMPTY_EXPR)
#
# The symbol table including PCD and macro mapping
#
self._Symb = SymbolTable
self._Symb.update(self.LogicalOperators)
self._Idx = 0
self._Len = len(self._Expr)
self._Token = ''
self._WarnExcept = None
# Literal token without any conversion
self._LiteralToken = ''
# store the operand object
self.operanddict = {}
# The Pcd max value depends on PcdDataType
self.PcdDataType = PcdDataType
def SplitString(String):
# There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'
RetList = []
InSingleQuote = False
InDoubleQuote = False
Item = ''
for i, ch in enumerate(String):
if ch == '"' and not InSingleQuote:
if String[i - 1] != '\\':
InDoubleQuote = not InDoubleQuote
if not InDoubleQuote:
Item += String[i]
RetList.append(Item)
Item = ''
continue
if Item:
RetList.append(Item)
Item = ''
elif ch == "'" and not InDoubleQuote:
if String[i - 1] != '\\':
InSingleQuote = not InSingleQuote
if not InSingleQuote:
Item += String[i]
RetList.append(Item)
Item = ''
continue
if Item:
RetList.append(Item)
Item = ''
Item += String[i]
if InSingleQuote or InDoubleQuote:
raise BadExpression(ERR_STRING_TOKEN % Item)
if Item:
RetList.append(Item)
return RetList
def __init__(self, Expression, SymbolTable={}):
super(ValueExpression, self).__init__(self, Expression, SymbolTable)
self._NoProcess = False
if not isinstance(Expression, type('')):
self._Expr = Expression
self._NoProcess = True
return
self._Expr = ReplaceExprMacro(Expression.strip(), SymbolTable,
SupportedInMacroList)
if not self._Expr.strip():
raise BadExpression(ERR_EMPTY_EXPR)
#
# The symbol table including PCD and macro mapping
#
self._Symb = copy.deepcopy(SymbolTable)
self._Symb.update(self.LogicalOperators)
self._Idx = 0
self._Len = len(self._Expr)
self._Token = ''
self._WarnExcept = None
# Literal token without any conversion
self._LiteralToken = ''
def _GetSingleToken(self):
self.__SkipWS()
Expr = self._Expr[self._Idx:]
if Expr.startswith('L"'):
# Skip L
self._Idx += 1
UStr = self.__GetString()
self._Token = 'L"' + UStr + '"'
return self._Token
self._Token = ''
if Expr:
Ch = Expr[0]
Match = gGuidPattern.match(Expr)
if Match and not Expr[Match.end():Match.end() + 1].isalnum() \
and Expr[Match.end():Match.end() + 1] != '_':
self._Idx += Match.end()
self._Token = Expr[0:Match.end()]
return self._Token
elif self.__IsIdChar(Ch):
return self.__GetIdToken()
elif Ch == '(' or Ch == ')':
self._Idx += 1
self._Token = Ch
return self._Token
raise BadExpression(ERR_VALID_TOKEN % Expr)
def ReplaceExprMacro(String, Macros, ExceptionList=None):
StrList = SplitString(String)
for i, String in enumerate(StrList):
InQuote = False
if String.startswith('"'):
InQuote = True
MacroStartPos = String.find('$(')
if MacroStartPos < 0:
for Pcd in gPlatformPcds:
if Pcd in String:
if Pcd not in gConditionalPcds:
gConditionalPcds.append(Pcd)
continue
RetStr = ''
while MacroStartPos >= 0:
RetStr = String[0:MacroStartPos]
MacroEndPos = String.find(')', MacroStartPos)
if MacroEndPos < 0:
raise BadExpression(ERR_MACRO_TOKEN % String[MacroStartPos:])
Macro = String[MacroStartPos + 2:MacroEndPos]
if Macro not in Macros:
# From C reference manual:
# If an undefined macro name appears in the constant-expression of
# !if or !elif, it is replaced by the integer constant 0.
RetStr += '0'
elif not InQuote:
Tklst = RetStr.split()
if Tklst and Tklst[-1] in {
'IN', 'in'
} and ExceptionList and Macro not in ExceptionList:
raise BadExpression(ERR_IN_OPERAND)
# Make sure the macro in exception list is encapsulated by double quote
# For example: DEFINE ARCH = IA32 X64
# $(ARCH) is replaced with "IA32 X64"
if ExceptionList and Macro in ExceptionList:
RetStr += '"' + Macros[Macro] + '"'
elif Macros[Macro].strip():
RetStr += Macros[Macro]
else:
RetStr += '""'
else:
RetStr += Macros[Macro]
RetStr += String[MacroEndPos + 1:]
String = RetStr
MacroStartPos = String.find('$(')
StrList[i] = RetStr
return ''.join(StrList)
def Calculate(self, Operand, DataType, SymbolTable):
if isinstance(Operand, type('')) and not Operand.isalnum():
Expr = "EQ ..."
raise BadExpression(ERR_SNYTAX % Expr)
rangeId1 = str(uuid.uuid1())
rangeContainer = RangeContainer()
rangeContainer.push(RangeObject(int(Operand), int(Operand)))
SymbolTable[rangeId1] = rangeContainer
return rangeId1
def Eval(self, Operator, Oprand1, Oprand2 = None):
if Operator in ["!", "NOT", "not"]:
if not gGuidPattern.match(Oprand1.strip()):
raise BadExpression(ERR_STRING_EXPR % Operator)
return self.NegativeRange(Oprand1)
else:
if Operator in ["==", ">=", "<=", ">", "<", '^']:
return self.EvalRange(Operator, Oprand1)
elif Operator == 'and' :
if not gGuidPatternEnd.match(Oprand1.strip()) or not gGuidPatternEnd.match(Oprand2.strip()):
raise BadExpression(ERR_STRING_EXPR % Operator)
return self.Rangeintersection(Oprand1, Oprand2)
elif Operator == 'or':
if not gGuidPatternEnd.match(Oprand1.strip()) or not gGuidPatternEnd.match(Oprand2.strip()):
raise BadExpression(ERR_STRING_EXPR % Operator)
return self.Rangecollections(Oprand1, Oprand2)
else:
raise BadExpression(ERR_STRING_EXPR % Operator)
def __call__(self, RealValue=False, Depth=0):
if self._NoProcess:
return self._Expr
self._Depth = Depth
self._Expr = self._Expr.strip()
if RealValue and Depth == 0:
self._Token = self._Expr
if self.__IsNumberToken():
return self._Expr
Token = ''
try:
Token = self._GetToken()
except BadExpression:
pass
if isinstance(Token, type('')) and Token.startswith(
'{') and Token.endswith('}') and self._Idx >= self._Len:
return self._Expr
self._Idx = 0
self._Token = ''
Val = self._ConExpr()
RealVal = Val
if isinstance(Val, type('')):
if Val == 'L""':
Val = False
elif not Val:
Val = False
RealVal = '""'
elif not Val.startswith('L"') and not Val.startswith(
'{') and not Val.startswith("L'") and not Val.startswith(
"'"):
Val = True
RealVal = '"' + RealVal + '"'
# The expression has been parsed, but the end of expression is not reached
# It means the rest does not comply EBNF of <Expression>
if self._Idx != self._Len:
raise BadExpression(ERR_SNYTAX % self._Expr[self._Idx:])
if RealValue:
RetVal = str(RealVal)
elif Val:
RetVal = True
else:
RetVal = False
if self._WarnExcept:
self._WarnExcept.result = RetVal
raise self._WarnExcept
else:
return RetVal
def SplitPcdValueString(String):
# There might be escaped comma in GUID() or DEVICE_PATH() or " "
# or ' ' or L' ' or L" "
RanStr = ''.join(sample(string.ascii_letters + string.digits, 8))
String = String.replace('\\\\', RanStr).strip()
RetList = []
InParenthesis = 0
InSingleQuote = False
InDoubleQuote = False
Item = ''
for i, ch in enumerate(String):
if ch == '(':
InParenthesis += 1
elif ch == ')':
if InParenthesis:
InParenthesis -= 1
else:
raise BadExpression(ERR_STRING_TOKEN % Item)
elif ch == '"' and not InSingleQuote:
if String[i-1] != '\\':
InDoubleQuote = not InDoubleQuote
elif ch == "'" and not InDoubleQuote:
if String[i-1] != '\\':
InSingleQuote = not InSingleQuote
elif ch == ',':
if InParenthesis or InSingleQuote or InDoubleQuote:
Item += String[i]
continue
elif Item:
RetList.append(Item)
Item = ''
continue
Item += String[i]
if InSingleQuote or InDoubleQuote or InParenthesis:
raise BadExpression(ERR_STRING_TOKEN % Item)
if Item:
RetList.append(Item)
for i, ch in enumerate(RetList):
if RanStr in ch:
RetList[i] = ch.replace(RanStr,'\\\\')
return RetList
def __ResolveToken(self):
if not self._Token:
raise BadExpression(ERR_EMPTY_TOKEN)
# PCD token
if PcdPattern.match(self._Token):
if self._Token not in self._Symb:
Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)
Ex.Pcd = self._Token
raise Ex
self._Token = ValueExpression(self._Symb[self._Token], self._Symb)(True, self._Depth+1)
if not isinstance(self._Token, type('')):
self._LiteralToken = hex(self._Token)
return
if self._Token.startswith('"'):
self._Token = self._Token[1:-1]
elif self._Token in {"FALSE", "false", "False"}:
self._Token = False
elif self._Token in {"TRUE", "true", "True"}:
self._Token = True
else:
self.__IsNumberToken()
def __ResolveToken(self):
if not self._Token:
raise BadExpression(ERR_EMPTY_TOKEN)
# PCD token
if PcdPattern.match(self._Token):
if self._Token not in self._Symb:
Ex = BadExpression(ERR_PCD_RESOLVE % self._Token)
Ex.Pcd = self._Token
raise Ex
self._Token = RangeExpression(self._Symb[self._Token], self._Symb)(True, self._Depth + 1)
if not isinstance(self._Token, type('')):
self._LiteralToken = hex(self._Token)
return
if self._Token.startswith('"'):
self._Token = self._Token[1:-1]
elif self._Token in ["FALSE", "false", "False"]:
self._Token = False
elif self._Token in ["TRUE", "true", "True"]:
self._Token = True
else:
self.__IsNumberToken()
def _NeExpr(self):
Val = self._RelExpr()
while self._IsOperator({"!=", "NOT", "not"}):
Op = self._Token
if Op in ["!", "NOT", "not"]:
if not self._IsOperator({"IN", "in"}):
raise BadExpression(ERR_REL_NOT_IN)
Op += ' ' + self._Token
try:
Val = self.Eval(Op, Val, self._RelExpr())
except WrnExpression as Warn:
self._WarnExcept = Warn
Val = Warn.result
return Val
def SplitPcdValueString(String):
# There might be escaped comma in GUID() or DEVICE_PATH() or " "
# or ' ' or L' ' or L" "
RetList = []
InParenthesis = 0
InSingleQuote = False
InDoubleQuote = False
Item = ''
for i, ch in enumerate(String):
if ch == '(':
InParenthesis += 1
elif ch == ')':
if InParenthesis:
InParenthesis -= 1
else:
raise BadExpression(ERR_STRING_TOKEN % Item)
elif ch == '"' and not InSingleQuote:
if String[i - 1] != '\\':
InDoubleQuote = not InDoubleQuote
elif ch == "'" and not InDoubleQuote:
if String[i - 1] != '\\':
InSingleQuote = not InSingleQuote
elif ch == ',':
if InParenthesis or InSingleQuote or InDoubleQuote:
Item += String[i]
continue
elif Item:
RetList.append(Item)
Item = ''
continue
Item += String[i]
if InSingleQuote or InDoubleQuote or InParenthesis:
raise BadExpression(ERR_STRING_TOKEN % Item)
if Item:
RetList.append(Item)
return RetList
def GetOperatorObject(Operator):
if Operator == '>':
return GTOperatorObject()
elif Operator == '>=':
return GEOperatorObject()
elif Operator == '<':
return LTOperatorObject()
elif Operator == '<=':
return LEOperatorObject()
elif Operator == '==':
return EQOperatorObject()
elif Operator == '^':
return XOROperatorObject()
else:
raise BadExpression("Bad Operator")
def SplitString(String):
# There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'
RanStr = ''.join(sample(string.ascii_letters + string.digits, 8))
String = String.replace('\\\\', RanStr).strip()
RetList = []
InSingleQuote = False
InDoubleQuote = False
Item = ''
for i, ch in enumerate(String):
if ch == '"' and not InSingleQuote:
if String[i - 1] != '\\':
InDoubleQuote = not InDoubleQuote
if not InDoubleQuote:
Item += String[i]
RetList.append(Item)
Item = ''
continue
if Item:
RetList.append(Item)
Item = ''
elif ch == "'" and not InDoubleQuote:
if String[i - 1] != '\\':
InSingleQuote = not InSingleQuote
if not InSingleQuote:
Item += String[i]
RetList.append(Item)
Item = ''
continue
if Item:
RetList.append(Item)
Item = ''
Item += String[i]
if InSingleQuote or InDoubleQuote:
raise BadExpression(ERR_STRING_TOKEN % Item)
if Item:
RetList.append(Item)
for i, ch in enumerate(RetList):
if RanStr in ch:
RetList[i] = ch.replace(RanStr,'\\\\')
return RetList
def __call__(self, RealValue=False, Depth=0):
PcdValue = self.PcdValue
try:
PcdValue = ValueExpression.__call__(self, RealValue, Depth)
if self.PcdType == TAB_VOID and (PcdValue.startswith("'")
or PcdValue.startswith("L'")):
PcdValue, Size = ParseFieldValue(PcdValue)
PcdValueList = []
for I in range(Size):
PcdValueList.append('0x%02X' % (PcdValue & 0xff))
PcdValue = PcdValue >> 8
PcdValue = '{' + ','.join(PcdValueList) + '}'
elif self.PcdType in TAB_PCD_NUMERIC_TYPES and (PcdValue.startswith("'") or \
PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):
raise BadExpression
except WrnExpression as Value:
PcdValue = Value.result
except BadExpression as Value:
if self.PcdType in TAB_PCD_NUMERIC_TYPES:
PcdValue = PcdValue.strip()
if PcdValue.startswith('{') and PcdValue.endswith('}'):
PcdValue = SplitPcdValueString(PcdValue[1:-1])
if isinstance(PcdValue, type([])):
TmpValue = 0
Size = 0
ValueType = ''
for Item in PcdValue:
Item = Item.strip()
if Item.startswith(TAB_UINT8):
ItemSize = 1
ValueType = TAB_UINT8
elif Item.startswith(TAB_UINT16):
ItemSize = 2
ValueType = TAB_UINT16
elif Item.startswith(TAB_UINT32):
ItemSize = 4
ValueType = TAB_UINT32
elif Item.startswith(TAB_UINT64):
ItemSize = 8
ValueType = TAB_UINT64
elif Item[0] in {'"', "'", 'L'}:
ItemSize = 0
ValueType = TAB_VOID
else:
ItemSize = 0
ValueType = TAB_UINT8
Item = ValueExpressionEx(Item, ValueType,
self._Symb)(True)
if ItemSize == 0:
try:
tmpValue = int(Item, 0)
if tmpValue > 255:
raise BadExpression(
"Byte array number %s should less than 0xFF."
% Item)
except BadExpression as Value:
raise BadExpression(Value)
except ValueError:
pass
ItemValue, ItemSize = ParseFieldValue(Item)
else:
ItemValue = ParseFieldValue(Item)[0]
if isinstance(ItemValue, type('')):
ItemValue = int(ItemValue, 0)
TmpValue = (ItemValue << (Size * 8)) | TmpValue
Size = Size + ItemSize
else:
try:
TmpValue, Size = ParseFieldValue(PcdValue)
except BadExpression as Value:
raise BadExpression("Type: %s, Value: %s, %s" %
(self.PcdType, PcdValue, Value))
if isinstance(TmpValue, type('')):
try:
TmpValue = int(TmpValue)
except:
raise BadExpression(Value)
else:
PcdValue = '0x%0{}X'.format(Size) % (TmpValue)
if TmpValue < 0:
raise BadExpression('Type %s PCD Value is negative' %
self.PcdType)
if self.PcdType == TAB_UINT8 and Size > 1:
raise BadExpression(
'Type %s PCD Value Size is Larger than 1 byte' %
self.PcdType)
if self.PcdType == TAB_UINT16 and Size > 2:
raise BadExpression(
'Type %s PCD Value Size is Larger than 2 byte' %
self.PcdType)
if self.PcdType == TAB_UINT32 and Size > 4:
raise BadExpression(
'Type %s PCD Value Size is Larger than 4 byte' %
self.PcdType)
if self.PcdType == TAB_UINT64 and Size > 8:
raise BadExpression(
'Type %s PCD Value Size is Larger than 8 byte' %
self.PcdType)
else:
try:
TmpValue = int(PcdValue)
TmpList = []
if TmpValue.bit_length() == 0:
PcdValue = '{0x00}'
else:
for I in range((TmpValue.bit_length() + 7) / 8):
TmpList.append('0x%02x' %
((TmpValue >> I * 8) & 0xff))
PcdValue = '{' + ', '.join(TmpList) + '}'
except:
if PcdValue.strip().startswith('{'):
PcdValueList = SplitPcdValueString(
PcdValue.strip()[1:-1])
LabelDict = {}
NewPcdValueList = []
LabelOffset = 0
for Item in PcdValueList:
# compute byte offset of every LABEL
LabelList = _ReLabel.findall(Item)
Item = _ReLabel.sub('', Item)
Item = Item.strip()
if LabelList:
for Label in LabelList:
if not IsValidCName(Label):
raise BadExpression(
'%s is not a valid c variable name'
% Label)
if Label not in LabelDict:
LabelDict[Label] = str(LabelOffset)
if Item.startswith(TAB_UINT8):
LabelOffset = LabelOffset + 1
elif Item.startswith(TAB_UINT16):
LabelOffset = LabelOffset + 2
elif Item.startswith(TAB_UINT32):
LabelOffset = LabelOffset + 4
elif Item.startswith(TAB_UINT64):
LabelOffset = LabelOffset + 8
else:
try:
ItemValue, ItemSize = ParseFieldValue(Item)
LabelOffset = LabelOffset + ItemSize
except:
LabelOffset = LabelOffset + 1
for Item in PcdValueList:
# for LABEL parse
Item = Item.strip()
try:
Item = _ReLabel.sub('', Item)
except:
pass
try:
OffsetList = _ReOffset.findall(Item)
except:
pass
# replace each offset, except errors
for Offset in OffsetList:
try:
Item = Item.replace(
'OFFSET_OF({})'.format(Offset),
LabelDict[Offset])
except:
raise BadExpression('%s not defined' %
Offset)
NewPcdValueList.append(Item)
AllPcdValueList = []
for Item in NewPcdValueList:
Size = 0
ValueStr = ''
TokenSpaceGuidName = ''
if Item.startswith(TAB_GUID) and Item.endswith(
')'):
try:
TokenSpaceGuidName = re.search(
'GUID\((\w+)\)', Item).group(1)
except:
pass
if TokenSpaceGuidName and TokenSpaceGuidName in self._Symb:
Item = 'GUID(' + self._Symb[
TokenSpaceGuidName] + ')'
elif TokenSpaceGuidName:
raise BadExpression(
'%s not found in DEC file' %
TokenSpaceGuidName)
Item, Size = ParseFieldValue(Item)
for Index in range(0, Size):
ValueStr = '0x%02X' % (int(Item) & 255)
Item >>= 8
AllPcdValueList.append(ValueStr)
continue
elif Item.startswith(
'DEVICE_PATH') and Item.endswith(')'):
Item, Size = ParseFieldValue(Item)
AllPcdValueList.append(Item[1:-1])
continue
else:
ValueType = ""
if Item.startswith(TAB_UINT8):
ItemSize = 1
ValueType = TAB_UINT8
elif Item.startswith(TAB_UINT16):
ItemSize = 2
ValueType = TAB_UINT16
elif Item.startswith(TAB_UINT32):
ItemSize = 4
ValueType = TAB_UINT32
elif Item.startswith(TAB_UINT64):
ItemSize = 8
ValueType = TAB_UINT64
else:
ItemSize = 0
if ValueType:
TmpValue = ValueExpressionEx(
Item, ValueType, self._Symb)(True)
else:
TmpValue = ValueExpressionEx(
Item, self.PcdType, self._Symb)(True)
Item = '0x%x' % TmpValue if not isinstance(
TmpValue, type('')) else TmpValue
if ItemSize == 0:
ItemValue, ItemSize = ParseFieldValue(Item)
if Item[0] not in {'"', 'L', '{'
} and ItemSize > 1:
raise BadExpression(
"Byte array number %s should less than 0xFF."
% Item)
else:
ItemValue = ParseFieldValue(Item)[0]
for I in range(0, ItemSize):
ValueStr = '0x%02X' % (int(ItemValue)
& 255)
ItemValue >>= 8
AllPcdValueList.append(ValueStr)
Size += ItemSize
if Size > 0:
PcdValue = '{' + ','.join(AllPcdValueList) + '}'
else:
raise BadExpression("Type: %s, Value: %s, %s" %
(self.PcdType, PcdValue, Value))
if PcdValue == 'True':
PcdValue = '1'
if PcdValue == 'False':
PcdValue = '0'
if RealValue:
return PcdValue
def Eval(Operator, Oprand1, Oprand2=None):
WrnExp = None
if Operator not in {"==", "!=", ">=", "<=", ">", "<", "in", "not in"} and \
(isinstance(Oprand1, type('')) or isinstance(Oprand2, type(''))):
raise BadExpression(ERR_STRING_EXPR % Operator)
if Operator in {'in', 'not in'}:
if not isinstance(Oprand1, type('')):
Oprand1 = IntToStr(Oprand1)
if not isinstance(Oprand2, type('')):
Oprand2 = IntToStr(Oprand2)
TypeDict = {
type(0): 0,
# For python2 long type
type(sys.maxsize + 1): 0,
type(''): 1,
type(True): 2
}
EvalStr = ''
if Operator in {"!", "NOT", "not"}:
if isinstance(Oprand1, type('')):
raise BadExpression(ERR_STRING_EXPR % Operator)
EvalStr = 'not Oprand1'
elif Operator in {"~"}:
if isinstance(Oprand1, type('')):
raise BadExpression(ERR_STRING_EXPR % Operator)
EvalStr = '~ Oprand1'
else:
if Operator in {"+", "-"} and (type(True) in {
type(Oprand1), type(Oprand2)
}):
# Boolean in '+'/'-' will be evaluated but raise warning
WrnExp = WrnExpression(WRN_BOOL_EXPR)
elif type('') in {type(Oprand1), type(Oprand2)
} and not isinstance(Oprand1, type(Oprand2)):
# == between string and number/boolean will always return False, != return True
if Operator == "==":
WrnExp = WrnExpression(WRN_EQCMP_STR_OTHERS)
WrnExp.result = False
raise WrnExp
elif Operator == "!=":
WrnExp = WrnExpression(WRN_NECMP_STR_OTHERS)
WrnExp.result = True
raise WrnExp
else:
raise BadExpression(ERR_RELCMP_STR_OTHERS % Operator)
elif TypeDict[type(Oprand1)] != TypeDict[type(Oprand2)]:
if Operator in {"==", "!=", ">=", "<=", ">", "<"} and set(
(TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set(
(TypeDict[type(True)], TypeDict[type(0)])):
# comparison between number and boolean is allowed
pass
elif Operator in {'&', '|', '^', "and", "or"} and set(
(TypeDict[type(Oprand1)], TypeDict[type(Oprand2)])) == set(
(TypeDict[type(True)], TypeDict[type(0)])):
# bitwise and logical operation between number and boolean is allowed
pass
else:
raise BadExpression(ERR_EXPR_TYPE)
if isinstance(Oprand1, type('')) and isinstance(Oprand2, type('')):
if (Oprand1.startswith('L"') and not Oprand2.startswith('L"')) or \
(not Oprand1.startswith('L"') and Oprand2.startswith('L"')):
raise BadExpression(ERR_STRING_CMP %
(Oprand1, Operator, Oprand2))
if 'in' in Operator and isinstance(Oprand2, type('')):
Oprand2 = Oprand2.split()
EvalStr = 'Oprand1 ' + Operator + ' Oprand2'
# Local symbols used by built in eval function
Dict = {'Oprand1': Oprand1, 'Oprand2': Oprand2}
try:
Val = eval(EvalStr, {}, Dict)
except Exception as Excpt:
raise BadExpression(str(Excpt))
if Operator in {'and', 'or'}:
if Val:
Val = True
else:
Val = False
if WrnExp:
WrnExp.result = Val
raise WrnExp
return Val
