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fix for ??=

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This commit is contained in:
Brian Fiete 2021-02-26 06:27:39 -08:00
parent 357c0e2e5a
commit 4575c64133
2 changed files with 28 additions and 10 deletions
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37
IDEHelper/Compiler/BfExprEvaluator.cpp
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@ -17960,6 +17960,11 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
if (deferEvalChecker.mNeedsDeferEval)
deferBinop = true;
if (binaryOp == BfBinaryOp_NullCoalesce)
{
deferBinop = true;
}
if (!deferBinop)
{
auto expectedType = ptr.mType;
@ -18040,8 +18045,12 @@ void BfExprEvaluator::PerformAssignment(BfAssignmentExpression* assignExpr, bool
auto flags = BfBinOpFlag_ForceLeftType;
if (deferBinop)
flags = (BfBinOpFlags)(flags | BfBinOpFlag_DeferRight);
leftValue = mModule->LoadValue(leftValue);
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(assignExpr->mOpToken, assignExpr->mLeft, assignExpr->mRight, leftValue, leftValue.mType)))
return;
PerformBinaryOperation(assignExpr->mLeft, assignExpr->mRight, binaryOp, assignExpr->mOpToken, flags, leftValue, rightValue);
}
}
@ -20461,7 +20470,19 @@ void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExp
wantType = NULL; // Don't presume
wantType = mModule->FixIntUnknown(wantType);
if ((binaryOp == BfBinaryOp_NullCoalesce) && (leftValue) && ((leftValue.mType->IsPointer()) || (leftValue.mType->IsFunction()) || (leftValue.mType->IsObject())))
if ((binaryOp == BfBinaryOp_NullCoalesce) && (PerformBinaryOperation_NullCoalesce(opToken, leftExpression, rightExpression, leftValue, wantType)))
return;
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
if ((!leftValue) || (!rightValue))
return;
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue);
}
bool BfExprEvaluator::PerformBinaryOperation_NullCoalesce(BfTokenNode* opToken, BfExpression* leftExpression, BfExpression* rightExpression, BfTypedValue leftValue, BfType* wantType)
{
if ((leftValue) && ((leftValue.mType->IsPointer()) || (leftValue.mType->IsFunction()) || (leftValue.mType->IsObject())))
{
auto prevBB = mModule->mBfIRBuilder->GetInsertBlock();
@ -20477,11 +20498,11 @@ void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExp
mModule->mBfIRBuilder->CreateCondBr(isNull, rhsBB, endBB);
mModule->AddBasicBlock(rhsBB);
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
auto rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
if (!rightValue)
{
mModule->AssertErrorState();
return;
return true;
}
else
{
@ -20516,14 +20537,10 @@ void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExp
mModule->mBfIRBuilder->AddPhiIncoming(phi, rightValue.mValue, endRhsBB);
mResult = BfTypedValue(phi, leftValue.mType);
return;
return true;
}
rightValue = mModule->CreateValueFromExpression(rightExpression, wantType, (BfEvalExprFlags)((mBfEvalExprFlags & BfEvalExprFlags_InheritFlags) | BfEvalExprFlags_NoCast));
if ((!leftValue) || (!rightValue))
return;
PerformBinaryOperation(leftExpression, rightExpression, binaryOp, opToken, flags, leftValue, rightValue);
return false;
}
void BfExprEvaluator::PerformBinaryOperation(BfExpression* leftExpression, BfExpression* rightExpression, BfBinaryOp binaryOp, BfTokenNode* opToken, BfBinOpFlags flags)