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BaseTools/VfrCompile:Fix memory leak issues 

Cc: Eric Dong <eric.dong@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Dandan Bi 2018-04-10 09:35:32 +08:00 committed by Liming Gao
parent 55f67014d7
commit 2aa9a9f03e
1 changed files with 31 additions and 1 deletions
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30
BaseTools/Source/C/VfrCompile/VfrSyntax.g
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@ -4105,6 +4105,7 @@ vfrStatementExpression [UINT32 RootLevel, UINT32 ExpOpCount = 0] :
}
if ($RootLevel == 0) {
_CLEAR_SAVED_OPHDR ();
mCIfrOpHdrIndex --;
}
>>
@ -4389,6 +4390,12 @@ vareqvalExp [UINT32 & RootLevel, UINT32 & ExpOpCount] :
<< IdEqValDoSpecial ($ExpOpCount, L->getLine(), QId, VarIdStr, Mask, ConstVal, GREATER_THAN); >>
)
)
<<
if (VarIdStr != NULL) {
delete[] VarIdStr;
VarIdStr = NULL;
}
>>
;
ideqvalExp [UINT32 & RootLevel, UINT32 & ExpOpCount] :
@ -4442,6 +4449,12 @@ ideqvalExp [UINT32 & RootLevel, UINT32 & ExpOpCount] :
<< IdEqValDoSpecial ($ExpOpCount, L->getLine(), QId, VarIdStr, Mask, ConstVal, GREATER_THAN); >>
)
)
<<
if (VarIdStr != NULL) {
delete[] VarIdStr;
VarIdStr = NULL;
}
>>
;
ideqidExp[UINT32 & RootLevel, UINT32 & ExpOpCount] :
@ -4494,6 +4507,16 @@ ideqidExp[UINT32 & RootLevel, UINT32 & ExpOpCount] :
<< IdEqIdDoSpecial ($ExpOpCount, L->getLine(), QId[0], VarIdStr[0], Mask[0], QId[1], VarIdStr[1], Mask[1], GREATER_THAN); >>
)
)
<<
if (VarIdStr[0] != NULL) {
delete[] VarIdStr[0];
VarIdStr[0] = NULL;
}
if (VarIdStr[1] != NULL) {
delete[] VarIdStr[1];
VarIdStr[1] = NULL;
}
>>
;
ideqvallistExp[UINT32 & RootLevel, UINT32 & ExpOpCount] :
@ -4533,6 +4556,10 @@ ideqvallistExp[UINT32 & RootLevel, UINT32 & ExpOpCount] :
}
$ExpOpCount++;
}
if (VarIdStr != NULL) {
delete[] VarIdStr;
VarIdStr = NULL;
}
>>
;
@ -5057,7 +5084,10 @@ EfiVfrParser::_CLEAR_SAVED_OPHDR (
VOID
)
{
if (mCIfrOpHdr[mCIfrOpHdrIndex] != NULL) {
delete mCIfrOpHdr[mCIfrOpHdrIndex];
mCIfrOpHdr[mCIfrOpHdrIndex] = NULL;
}
mCIfrOpHdrLineNo[mCIfrOpHdrIndex] = 0;
}