X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=BaseTools%2FSource%2FPython%2FCommon%2FExpression.py;h=19ea13b7fb2d63a920c274391e2f2947cfa57356;hb=bf9e636605188e291d33ab694ff1c5926b6f0800;hp=7b3030c5fa08f9d1f219dbd83f3a81e338afd5d4;hpb=c8d07c5eeb481e777ad48dc1737d1ab1be67bd44;p=mirror_edk2.git
diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 7b3030c5fa..19ea13b7fb 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 - 2016, 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
@@ -12,10 +12,18 @@
## Import Modules
#
+from __future__ import print_function
+from __future__ import absolute_import
from Common.GlobalData import *
from CommonDataClass.Exceptions import BadExpression
from CommonDataClass.Exceptions import WrnExpression
-from Misc import GuidStringToGuidStructureString
+from .Misc import GuidStringToGuidStructureString, ParseFieldValue,CopyDict
+import Common.EdkLogger as EdkLogger
+import copy
+from Common.DataType import *
+import sys
+from random import sample
+import string
ERR_STRING_EXPR = 'This operator cannot be used in string expression: [%s].'
ERR_SNYTAX = 'Syntax error, the rest of expression cannot be evaluated: [%s].'
@@ -23,7 +31,7 @@ ERR_MATCH = 'No matching right parenthesis.'
ERR_STRING_TOKEN = 'Bad string token: [%s].'
ERR_MACRO_TOKEN = 'Bad macro token: [%s].'
ERR_EMPTY_TOKEN = 'Empty token is not allowed.'
-ERR_PCD_RESOLVE = 'PCD token cannot be resolved: [%s].'
+ERR_PCD_RESOLVE = 'The PCD should be FeatureFlag type or FixedAtBuild type: [%s].'
ERR_VALID_TOKEN = 'No more valid token found from rest of string: [%s].'
ERR_EXPR_TYPE = 'Different types found in expression.'
ERR_OPERATOR_UNSUPPORT = 'Unsupported operator: [%s]'
@@ -38,20 +46,39 @@ 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\((\w+)\)')
+PcdPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*\.[_a-zA-Z][0-9A-Za-z_]*$')
+
## 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'
+ RanStr = ''.join(sample(string.ascii_letters + string.digits, 8))
+ String = String.replace('\\\\', RanStr).strip()
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 +87,76 @@ 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)
+ for i, ch in enumerate(RetList):
+ if RanStr in ch:
+ RetList[i] = ch.replace(RanStr,'\\\\')
return RetList
+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 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
+ try:
+ PcdValue = ValueExpressionEx(InputValue, TAB_VOID, GuidDict)(True)
+ except:
+ pass
+
+ return PcdValue
+
## ReplaceExprMacro
#
def ReplaceExprMacro(String, Macros, ExceptionList = None):
@@ -76,7 +167,7 @@ def ReplaceExprMacro(String, Macros, ExceptionList = None):
InQuote = True
MacroStartPos = String.find('$(')
if MacroStartPos < 0:
- for Pcd in gPlatformPcds.keys():
+ for Pcd in gPlatformPcds:
if Pcd in String:
if Pcd not in gConditionalPcds:
gConditionalPcds.append(Pcd)
@@ -95,7 +186,7 @@ def ReplaceExprMacro(String, Macros, ExceptionList = None):
RetStr += '0'
elif not InQuote:
Tklst = RetStr.split()
- if Tklst and Tklst[-1] in ['IN', 'in'] and ExceptionList and Macro not in ExceptionList:
+ 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
@@ -114,9 +205,33 @@ 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):
+class BaseExpression(object):
+ def __init__(self, *args, **kwargs):
+ super(BaseExpression, self).__init__()
+
+ # Check if current token matches the operators given from parameter
+ def _IsOperator(self, OpSet):
+ Idx = self._Idx
+ self._GetOperator()
+ if self._Token in OpSet:
+ if self._Token in self.LogicalOperators:
+ self._Token = self.LogicalOperators[self._Token]
+ return True
+ self._Idx = Idx
+ return False
+
+class ValueExpression(BaseExpression):
# Logical operator mapping
LogicalOperators = {
'&&' : 'and', '||' : 'or',
@@ -129,11 +244,8 @@ class ValueExpression(object):
'IN' : 'in'
}
- NonLetterOpLst = ['+', '-', '&', '|', '^', '!', '=', '>', '<']
+ NonLetterOpLst = ['+', '-', TAB_STAR, '/', '%', '&', '|', '^', '~', '<<', '>>', '!', '=', '>', '<', '?', ':']
- 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+|"
@@ -146,27 +258,36 @@ class ValueExpression(object):
def Eval(Operator, Oprand1, Oprand2 = None):
WrnExp = None
- if Operator not in ["==", "!=", ">=", "<=", ">", "<", "in", "not in"] and \
- (type(Oprand1) == type('') or type(Oprand2) == type('')):
+ 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,
- type(0L) : 0,
+ # For python2 long type
+ type(sys.maxsize + 1) : 0,
type('') : 1,
type(True) : 2
}
EvalStr = ''
- if Operator in ["!", "NOT", "not"]:
- if type(Oprand1) == type(''):
+ 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)]):
+ 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 type(Oprand1)!= type(Oprand2):
+ 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)
@@ -179,19 +300,19 @@ class ValueExpression(object):
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)])):
+ 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)])):
+ 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 type(Oprand1) == type('') and type(Oprand2) == type(''):
- if (Oprand1.startswith('L"') and not Oprand2.startswith('L"')) or \
- (not Oprand1.startswith('L"') and Oprand2.startswith('L"')):
+ if isinstance(Oprand1, type('')) and isinstance(Oprand2, type('')):
+ if ((Oprand1.startswith('L"') or Oprand1.startswith("L'")) and (not Oprand2.startswith('L"')) and (not Oprand2.startswith("L'"))) or \
+ (((not Oprand1.startswith('L"')) and (not Oprand1.startswith("L'"))) and (Oprand2.startswith('L"') or Oprand2.startswith("L'"))):
raise BadExpression(ERR_STRING_CMP % (Oprand1, Operator, Oprand2))
- if 'in' in Operator and type(Oprand2) == type(''):
+ if 'in' in Operator and isinstance(Oprand2, type('')):
Oprand2 = Oprand2.split()
EvalStr = 'Oprand1 ' + Operator + ' Oprand2'
@@ -202,10 +323,10 @@ class ValueExpression(object):
}
try:
Val = eval(EvalStr, {}, Dict)
- except Exception, Excpt:
+ except Exception as Excpt:
raise BadExpression(str(Excpt))
- if Operator in ['and', 'or']:
+ if Operator in {'and', 'or'}:
if Val:
Val = True
else:
@@ -217,8 +338,9 @@ class ValueExpression(object):
return Val
def __init__(self, Expression, SymbolTable={}):
+ super(ValueExpression, self).__init__(self, Expression, SymbolTable)
self._NoProcess = False
- if type(Expression) != type(''):
+ if not isinstance(Expression, type('')):
self._Expr = Expression
self._NoProcess = True
return
@@ -233,7 +355,7 @@ class ValueExpression(object):
#
# The symbol table including PCD and macro mapping
#
- self._Symb = SymbolTable
+ self._Symb = CopyDict(SymbolTable)
self._Symb.update(self.LogicalOperators)
self._Idx = 0
self._Len = len(self._Expr)
@@ -261,26 +383,26 @@ 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 isinstance(Token, type('')) and Token.startswith('{') and Token.endswith('}') and self._Idx >= self._Len:
+ return self._Expr
self._Idx = 0
self._Token = ''
- Val = self._OrExpr()
+ Val = self._ConExpr()
RealVal = Val
- if type(Val) == type(''):
+ if isinstance(Val, type('')):
if Val == 'L""':
Val = False
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'") and not Val.startswith("'"):
Val = True
RealVal = '"' + RealVal + '"'
@@ -304,68 +426,94 @@ class ValueExpression(object):
# Template function to parse binary operators which have same precedence
# Expr [Operator Expr]*
- def _ExprFuncTemplate(self, EvalFunc, OpLst):
+ def _ExprFuncTemplate(self, EvalFunc, OpSet):
Val = EvalFunc()
- while self._IsOperator(OpLst):
+ while self._IsOperator(OpSet):
Op = self._Token
+ if Op == '?':
+ Val2 = EvalFunc()
+ if self._IsOperator({':'}):
+ Val3 = EvalFunc()
+ if Val:
+ Val = Val2
+ else:
+ Val = Val3
+ continue
try:
Val = self.Eval(Op, Val, EvalFunc())
- except WrnExpression, Warn:
+ except WrnExpression as Warn:
self._WarnExcept = Warn
Val = Warn.result
return Val
+ # A [? B]*
+ def _ConExpr(self):
+ return self._ExprFuncTemplate(self._OrExpr, {'?', ':'})
# A [|| B]*
def _OrExpr(self):
- return self._ExprFuncTemplate(self._AndExpr, ["OR", "or", "||"])
+ return self._ExprFuncTemplate(self._AndExpr, {"OR", "or", "||"})
# A [&& B]*
def _AndExpr(self):
- return self._ExprFuncTemplate(self._BitOr, ["AND", "and", "&&"])
+ return self._ExprFuncTemplate(self._BitOr, {"AND", "and", "&&"})
# A [ | B]*
def _BitOr(self):
- return self._ExprFuncTemplate(self._BitXor, ["|"])
+ return self._ExprFuncTemplate(self._BitXor, {"|"})
# A [ ^ B]*
def _BitXor(self):
- return self._ExprFuncTemplate(self._BitAnd, ["XOR", "xor", "^"])
+ return self._ExprFuncTemplate(self._BitAnd, {"XOR", "xor", "^"})
# A [ & B]*
def _BitAnd(self):
- return self._ExprFuncTemplate(self._EqExpr, ["&"])
+ return self._ExprFuncTemplate(self._EqExpr, {"&"})
# A [ == B]*
def _EqExpr(self):
Val = self._RelExpr()
- while self._IsOperator(["==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"]):
+ while self._IsOperator({"==", "!=", "EQ", "NE", "IN", "in", "!", "NOT", "not"}):
Op = self._Token
- if Op in ["!", "NOT", "not"]:
- if not self._IsOperator(["IN", "in"]):
+ 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, Warn:
+ except WrnExpression as Warn:
self._WarnExcept = Warn
Val = Warn.result
return Val
# A [ > B]*
def _RelExpr(self):
- return self._ExprFuncTemplate(self._AddExpr, ["<=", ">=", "<", ">", "LE", "GE", "LT", "GT"])
+ return self._ExprFuncTemplate(self._ShiftExpr, {"<=", ">=", "<", ">", "LE", "GE", "LT", "GT"})
+
+ def _ShiftExpr(self):
+ return self._ExprFuncTemplate(self._AddExpr, {"<<", ">>"})
# A [ + B]*
def _AddExpr(self):
- return self._ExprFuncTemplate(self._UnaryExpr, ["+", "-"])
+ return self._ExprFuncTemplate(self._MulExpr, {"+", "-"})
+
+ # A [ * B]*
+ def _MulExpr(self):
+ return self._ExprFuncTemplate(self._UnaryExpr, {TAB_STAR, "/", "%"})
# [!]*A
def _UnaryExpr(self):
- if self._IsOperator(["!", "NOT", "not"]):
+ if self._IsOperator({"!", "NOT", "not"}):
Val = self._UnaryExpr()
try:
return self.Eval('not', Val)
- except WrnExpression, Warn:
+ except WrnExpression as Warn:
+ self._WarnExcept = Warn
+ return Warn.result
+ if self._IsOperator({"~"}):
+ Val = self._UnaryExpr()
+ try:
+ return self.Eval('~', Val)
+ except WrnExpression as Warn:
self._WarnExcept = Warn
return Warn.result
return self._IdenExpr()
@@ -374,7 +522,7 @@ class ValueExpression(object):
def _IdenExpr(self):
Tk = self._GetToken()
if Tk == '(':
- Val = self._OrExpr()
+ Val = self._ConExpr()
try:
# _GetToken may also raise BadExpression
if self._GetToken() != ')':
@@ -396,6 +544,24 @@ 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
@@ -418,7 +584,7 @@ class ValueExpression(object):
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]
+ 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]]:
@@ -440,14 +606,25 @@ 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
@@ -456,7 +633,7 @@ class ValueExpression(object):
def __GetIdToken(self, IsAlphaOp = False):
IdToken = ''
for Ch in self._Expr[self._Idx:]:
- if not self.__IsIdChar(Ch):
+ if not self.__IsIdChar(Ch) or ('?' in self._Expr and Ch == ':'):
break
self._Idx += 1
IdToken += Ch
@@ -472,21 +649,21 @@ class ValueExpression(object):
raise BadExpression(ERR_EMPTY_TOKEN)
# PCD token
- if self.PcdPattern.match(self._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 type(self._Token) != type(''):
+ 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"]:
+ elif self._Token in {"FALSE", "false", "False"}:
self._Token = False
- elif self._Token in ["TRUE", "true", "True"]:
+ elif self._Token in {"TRUE", "true", "True"}:
self._Token = True
else:
self.__IsNumberToken()
@@ -522,13 +699,12 @@ 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
@@ -537,7 +713,7 @@ class ValueExpression(object):
@staticmethod
def __IsIdChar(Ch):
- return Ch in '._/:' or Ch.isalnum()
+ return Ch in '._:' or Ch.isalnum()
# Parse operand
def _GetSingleToken(self):
@@ -549,11 +725,40 @@ 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 not isinstance(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()
@@ -575,7 +780,7 @@ class ValueExpression(object):
# Parse operator
def _GetOperator(self):
self.__SkipWS()
- LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst
+ LegalOpLst = ['&&', '||', '!=', '==', '>=', '<='] + self.NonLetterOpLst + ['?', ':']
self._Token = ''
Expr = self._Expr[self._Idx:]
@@ -595,7 +800,7 @@ class ValueExpression(object):
OpToken = ''
for Ch in Expr:
if Ch in self.NonLetterOpLst:
- if '!' == Ch and OpToken:
+ if Ch in ['!', '~'] and OpToken:
break
self._Idx += 1
OpToken += Ch
@@ -607,16 +812,230 @@ class ValueExpression(object):
self._Token = OpToken
return OpToken
- # Check if current token matches the operators given from OpList
- def _IsOperator(self, OpList):
- Idx = self._Idx
- self._GetOperator()
- if self._Token in OpList:
- if self._Token in self.LogicalOperators:
- self._Token = self.LogicalOperators[self._Token]
- return True
- 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
+ if "{CODE(" not in 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
if __name__ == '__main__':
pass
@@ -625,10 +1044,10 @@ if __name__ == '__main__':
if input in 'qQ':
break
try:
- print ValueExpression(input)(True)
- print ValueExpression(input)(False)
- except WrnExpression, Ex:
- print Ex.result
- print str(Ex)
- except Exception, Ex:
- print str(Ex)
+ print(ValueExpression(input)(True))
+ print(ValueExpression(input)(False))
+ except WrnExpression as Ex:
+ print(Ex.result)
+ print(str(Ex))
+ except Exception as Ex:
+ print(str(Ex))