X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=BaseTools%2FSource%2FPython%2FCommon%2FExpression.py;h=9a844b0417f203fd6c26a95fe283e81a56a2f1c3;hp=ba83e02f75d3bfc00ef2993f80f7a64e221a01cc;hb=cc0321f22ac7422a2d477c98fed209547eaf0cb5;hpb=bc0d7233925e82ddb8423532b2b90a3ad1ef1e49
diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index ba83e02f75..9a844b0417 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -1,7 +1,7 @@
## @file
# This file is used to parse and evaluate expression in directive or PCD value.
#
-# Copyright (c) 2011 - 2017, Intel Corporation. All rights reserved.
+# Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
@@ -15,7 +15,9 @@
from Common.GlobalData import *
from CommonDataClass.Exceptions import BadExpression
from CommonDataClass.Exceptions import WrnExpression
-from Misc import GuidStringToGuidStructureString
+from Misc import GuidStringToGuidStructureString, ParseFieldValue, IsFieldValueAnArray
+import Common.EdkLogger as EdkLogger
+import copy
ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'
ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'
@@ -38,20 +40,36 @@ ERR_ARRAY_ELE = 'This must be HEX value for NList or Array: [%s].'
ERR_EMPTY_EXPR = 'Empty expression is not allowed.'
ERR_IN_OPERAND = 'Macro after IN operator can only be: $(FAMILY), $(ARCH), $(TOOL_CHAIN_TAG) and $(TARGET).'
+__ValidString = re.compile(r'[_a-zA-Z][_0-9a-zA-Z]*$')
+_ReLabel = re.compile('LABEL\((\w+)\)')
+_ReOffset = re.compile('OFFSET_OF\((\w+)\)')
+
## SplitString
# Split string to list according double quote
# For example: abc"de\"f"ghi"jkl"mn will be: ['abc', '"de\"f"', 'ghi', '"jkl"', 'mn']
#
def SplitString(String):
- # There might be escaped quote: "abc\"def\\\"ghi"
- Str = String.replace('\\\\', '//').replace('\\\"', '\\\'')
+ # There might be escaped quote: "abc\"def\\\"ghi", 'abc\'def\\\'ghi'
RetList = []
- InQuote = False
+ InSingleQuote = False
+ InDoubleQuote = False
Item = ''
- for i, ch in enumerate(Str):
- if ch == '"':
- InQuote = not InQuote
- if not InQuote:
+ 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 = ''
@@ -60,12 +78,68 @@ def SplitString(String):
RetList.append(Item)
Item = ''
Item += String[i]
- if InQuote:
+ if InSingleQuote or InDoubleQuote:
raise BadExpression(ERR_STRING_TOKEN % Item)
if Item:
RetList.append(Item)
return RetList
+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 IsValidCName(Str):
+ return True if __ValidString.match(Str) else False
+
+def BuildOptionValue(PcdValue, GuidDict):
+ if PcdValue.startswith('H'):
+ InputValue = PcdValue[1:]
+ elif PcdValue.startswith("L'") or PcdValue.startswith("'"):
+ InputValue = PcdValue
+ elif PcdValue.startswith('L'):
+ InputValue = 'L"' + PcdValue[1:] + '"'
+ else:
+ InputValue = PcdValue
+ if IsFieldValueAnArray(InputValue):
+ try:
+ PcdValue = ValueExpressionEx(InputValue, 'VOID*', GuidDict)(True)
+ except:
+ pass
+ return PcdValue
+
## ReplaceExprMacro
#
def ReplaceExprMacro(String, Macros, ExceptionList = None):
@@ -114,6 +188,15 @@ def ReplaceExprMacro(String, Macros, ExceptionList = None):
StrList[i] = RetStr
return ''.join(StrList)
+# transfer int to string for in/not in expression
+def IntToStr(Value):
+ StrList = []
+ while Value > 0:
+ StrList.append(chr(Value & 0xff))
+ Value = Value >> 8
+ Value = '"' + ''.join(StrList) + '"'
+ return Value
+
SupportedInMacroList = ['TARGET', 'TOOL_CHAIN_TAG', 'ARCH', 'FAMILY']
class ValueExpression(object):
@@ -132,8 +215,6 @@ class ValueExpression(object):
NonLetterOpLst = ['+', '-', '*', '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']
PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')
- HexPattern = re.compile(r'0[xX][0-9a-fA-F]+$')
- RegGuidPattern = re.compile(r'[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}')
SymbolPattern = re.compile("("
"\$\([A-Z][A-Z0-9_]*\)|\$\(\w+\.\w+\)|\w+\.\w+|"
@@ -149,7 +230,11 @@ class ValueExpression(object):
if Operator not in ["==", "!=", ">=", "<=", ">", "<", "in", "not in"] and \
(type(Oprand1) == type('') or type(Oprand2) == type('')):
raise BadExpression(ERR_STRING_EXPR % Operator)
-
+ if Operator in ['in', 'not in']:
+ if type(Oprand1) != type(''):
+ Oprand1 = IntToStr(Oprand1)
+ if type(Oprand2) != type(''):
+ Oprand2 = IntToStr(Oprand2)
TypeDict = {
type(0) : 0,
type(0L) : 0,
@@ -237,7 +322,7 @@ class ValueExpression(object):
#
# The symbol table including PCD and macro mapping
#
- self._Symb = SymbolTable
+ self._Symb = copy.deepcopy(SymbolTable)
self._Symb.update(self.LogicalOperators)
self._Idx = 0
self._Len = len(self._Expr)
@@ -265,13 +350,13 @@ class ValueExpression(object):
self._Token = self._Expr
if self.__IsNumberToken():
return self._Expr
-
+ Token = ''
try:
Token = self._GetToken()
- if type(Token) == type('') and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:
- return self._Expr
except BadExpression:
pass
+ if type(Token) == type('') and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:
+ return self._Expr
self._Idx = 0
self._Token = ''
@@ -284,7 +369,7 @@ class ValueExpression(object):
elif not Val:
Val = False
RealVal = '""'
- elif not Val.startswith('L"') and not Val.startswith('{'):
+ elif not Val.startswith('L"') and not Val.startswith('{') and not Val.startswith("L'"):
Val = True
RealVal = '"' + RealVal + '"'
@@ -426,6 +511,24 @@ class ValueExpression(object):
Radix = 10
if self._Token.lower()[0:2] == '0x' and len(self._Token) > 2:
Radix = 16
+ if self._Token.startswith('"') or self._Token.startswith('L"'):
+ Flag = 0
+ for Index in range(len(self._Token)):
+ if self._Token[Index] in ['"']:
+ if self._Token[Index - 1] == '\\':
+ continue
+ Flag += 1
+ if Flag == 2 and self._Token.endswith('"'):
+ return True
+ if self._Token.startswith("'") or self._Token.startswith("L'"):
+ Flag = 0
+ for Index in range(len(self._Token)):
+ if self._Token[Index] in ["'"]:
+ if self._Token[Index - 1] == '\\':
+ continue
+ Flag += 1
+ if Flag == 2 and self._Token.endswith("'"):
+ return True
try:
self._Token = int(self._Token, Radix)
return True
@@ -470,14 +573,25 @@ class ValueExpression(object):
self._Idx += 1
# Replace escape \\\", \"
- 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)
+ 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
@@ -552,13 +666,12 @@ class ValueExpression(object):
self._LiteralToken.endswith('}'):
return True
- if self.HexPattern.match(self._LiteralToken):
+ if gHexPattern.match(self._LiteralToken):
Token = self._LiteralToken[2:]
- Token = Token.lstrip('0')
if not Token:
self._LiteralToken = '0x0'
else:
- self._LiteralToken = '0x' + Token.lower()
+ self._LiteralToken = '0x' + Token
return True
return False
@@ -579,11 +692,40 @@ class ValueExpression(object):
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 type(TmpValue) != type('') else TmpValue
+ break
+ self._Token, Size = ParseFieldValue(Prefix + '(' + TmpValue + ')')
+ return self._Token
self._Token = ''
if Expr:
Ch = Expr[0]
- Match = self.RegGuidPattern.match(Expr)
+ 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()
@@ -648,6 +790,231 @@ class ValueExpression(object):
self._Idx = Idx
return False
+class ValueExpressionEx(ValueExpression):
+ def __init__(self, PcdValue, PcdType, SymbolTable={}):
+ ValueExpression.__init__(self, PcdValue, SymbolTable)
+ self.PcdValue = PcdValue
+ self.PcdType = PcdType
+
+ def __call__(self, RealValue=False, Depth=0):
+ PcdValue = self.PcdValue
+ try:
+ PcdValue = ValueExpression.__call__(self, RealValue, Depth)
+ if self.PcdType == '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 ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN'] and (PcdValue.startswith("'") or \
+ PcdValue.startswith('"') or PcdValue.startswith("L'") or PcdValue.startswith('L"') or PcdValue.startswith('{')):
+ raise BadExpression
+ except WrnExpression, Value:
+ PcdValue = Value.result
+ except BadExpression, Value:
+ if self.PcdType in ['UINT8', 'UINT16', 'UINT32', 'UINT64', 'BOOLEAN']:
+ PcdValue = PcdValue.strip()
+ if type(PcdValue) == type('') and PcdValue.startswith('{') and PcdValue.endswith('}'):
+ PcdValue = SplitPcdValueString(PcdValue[1:-1])
+ if type(PcdValue) == type([]):
+ TmpValue = 0
+ Size = 0
+ ValueType = ''
+ for Item in PcdValue:
+ Item = Item.strip()
+ if Item.startswith('UINT8'):
+ ItemSize = 1
+ ValueType = 'UINT8'
+ elif Item.startswith('UINT16'):
+ ItemSize = 2
+ ValueType = 'UINT16'
+ elif Item.startswith('UINT32'):
+ ItemSize = 4
+ ValueType = 'UINT32'
+ elif Item.startswith('UINT64'):
+ ItemSize = 8
+ ValueType = 'UINT64'
+ elif Item.startswith('"') or Item.startswith("'") or Item.startswith('L'):
+ ItemSize = 0
+ ValueType = 'VOID*'
+ else:
+ ItemSize = 0
+ ValueType = 'UINT8'
+ Item = ValueExpressionEx(Item, ValueType, self._Symb)(True)
+
+ if ItemSize == 0:
+ try:
+ tmpValue = int(Item, 16) if Item.upper().startswith('0X') else int(Item, 0)
+ if tmpValue > 255:
+ raise BadExpression("Byte array number %s should less than 0xFF." % Item)
+ except BadExpression, Value:
+ raise BadExpression(Value)
+ except ValueError:
+ pass
+ ItemValue, ItemSize = ParseFieldValue(Item)
+ else:
+ ItemValue = ParseFieldValue(Item)[0]
+
+ if type(ItemValue) == type(''):
+ ItemValue = int(ItemValue, 16) if ItemValue.startswith('0x') else int(ItemValue)
+
+ TmpValue = (ItemValue << (Size * 8)) | TmpValue
+ Size = Size + ItemSize
+ else:
+ try:
+ TmpValue, Size = ParseFieldValue(PcdValue)
+ except BadExpression, Value:
+ raise BadExpression("Type: %s, Value: %s, %s" % (self.PcdType, PcdValue, Value))
+ if type(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 == 'UINT8' and Size > 1:
+ raise BadExpression('Type %s PCD Value Size is Larger than 1 byte' % self.PcdType)
+ if self.PcdType == 'UINT16' and Size > 2:
+ raise BadExpression('Type %s PCD Value Size is Larger than 2 byte' % self.PcdType)
+ if self.PcdType == 'UINT32' and Size > 4:
+ raise BadExpression('Type %s PCD Value Size is Larger than 4 byte' % self.PcdType)
+ if self.PcdType == 'UINT64' and Size > 8:
+ raise BadExpression('Type %s PCD Value Size is Larger than 8 byte' % self.PcdType)
+ else:
+ try:
+ TmpValue = long(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.keys():
+ LabelDict[Label] = str(LabelOffset)
+ if Item.startswith('UINT8'):
+ LabelOffset = LabelOffset + 1
+ elif Item.startswith('UINT16'):
+ LabelOffset = LabelOffset + 2
+ elif Item.startswith('UINT32'):
+ LabelOffset = LabelOffset + 4
+ elif Item.startswith('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('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('UINT8'):
+ ItemSize = 1
+ ValueType = "UINT8"
+ elif Item.startswith('UINT16'):
+ ItemSize = 2
+ ValueType = "UINT16"
+ elif Item.startswith('UINT32'):
+ ItemSize = 4
+ ValueType = "UINT32"
+ elif Item.startswith('UINT64'):
+ ItemSize = 8
+ ValueType = "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 type(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
+
if __name__ == '__main__':
pass
while True: