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BaseTools: Customize deepcopy function.

Browse Source 
https://bugzilla.tianocore.org/show_bug.cgi?id=1288

This patch is one of build tool performance improvement
series patches.

This patch is going to customize the deepcopy function for
SkuClass, PcdClassObject and python dictionary.

python deepcopy copy everything of a object, but for our current
usage we just need to copy the data we care about recursively.

By implementing __deepcopy__ for SkuClass, PcdClassObject, we can customize
deepcopy function for them.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: BobCF <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
BobCF
2018-11-08 14:03:38 +08:00
parent 4e37570739
commit bf9e636605
5 changed files with 88 additions and 5 deletions
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4
BaseTools/Source/Python/Common/Expression.py
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@ -17,7 +17,7 @@ from __future__ import absolute_import
from Common.GlobalData import *
from CommonDataClass.Exceptions import BadExpression
from CommonDataClass.Exceptions import WrnExpression
from .Misc import GuidStringToGuidStructureString, ParseFieldValue
from .Misc import GuidStringToGuidStructureString, ParseFieldValue,CopyDict
import Common.EdkLogger as EdkLogger
import copy
from Common.DataType import *
@ -355,7 +355,7 @@ class ValueExpression(BaseExpression):
#
# The symbol table including PCD and macro mapping
#
self._Symb = copy.deepcopy(SymbolTable)
self._Symb = CopyDict(SymbolTable)
self._Symb.update(self.LogicalOperators)
self._Idx = 0
self._Len = len(self._Expr)