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Constraint check fixes

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This commit is contained in:
Brian Fiete 2022-01-18 06:44:08 -05:00
parent b2eac81857
commit bac91516e7
3 changed files with 38 additions and 11 deletions
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10
IDEHelper/Compiler/BfExprEvaluator.cpp
View file

@ -21479,17 +21479,19 @@ void BfExprEvaluator::PerformBinaryOperation(BfAstNode* leftExpression, BfAstNod
{
bool handled = false;
BfType* expectingType = mExpectingType;
if (leftValue.mType == rightValue.mType)
{
// All good
handled = true;
}
else if ((mExpectingType != NULL) &&
(mModule->CanCast(leftValue, mExpectingType, BfCastFlags_NoBox)) &&
(mModule->CanCast(rightValue, mExpectingType, BfCastFlags_NoBox)) &&
else if ((expectingType != NULL) &&
(mModule->CanCast(leftValue, expectingType, BfCastFlags_NoBox)) &&
(mModule->CanCast(rightValue, expectingType, BfCastFlags_NoBox)) &&
(!leftValue.mType->IsVar()) && (!rightValue.mType->IsVar()))
{
resultType = mExpectingType;
resultType = expectingType;
handled = true;
}
else

9
IDEHelper/Compiler/BfModule.cpp
View file

@ -10600,18 +10600,23 @@ BfType* BfModule::CheckOperator(BfTypeInstance* typeInstance, BfOperatorDef* ope
return NULL;
if (operatorInfo->mReturnType == NULL)
return NULL;
auto castFlags = BfCastFlags_IsConstraintCheck;
if (operatorDef->mOperatorDeclaration->mIsConvOperator)
castFlags = (BfCastFlags)(castFlags | BfCastFlags_NoConversionOperator);
if (lhs)
{
if (operatorInfo->mLHSType == NULL)
return NULL;
if (!CanCast(lhs, operatorInfo->mLHSType, BfCastFlags_IsConstraintCheck))
if (!CanCast(lhs, operatorInfo->mLHSType, castFlags))
return NULL;
}
if (rhs)
{
if (operatorInfo->mRHSType == NULL)
return NULL;
if (!CanCast(rhs, operatorInfo->mRHSType, BfCastFlags_IsConstraintCheck))
if (!CanCast(rhs, operatorInfo->mRHSType, castFlags))
return NULL;
}
return operatorInfo->mReturnType;

28
IDEHelper/Compiler/BfModuleTypeUtils.cpp
View file

@ -12521,7 +12521,7 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
if (explicitCast)
{
if (((fromPrimType->IsIntegral()) || (fromPrimType->IsFloat()) || (fromPrimType->IsBoolean())) &&
if (((fromPrimType->IsIntegral()) || (fromPrimType->IsFloat())) &&
((toType->IsIntegral()) || (toType->IsFloat())))
allowCast = true;
}
@ -12595,7 +12595,7 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
methodMatcher.mAllowImplicitWrap = true;
BfBaseClassWalker baseClassWalker(walkFromType, walkToType, this);
bool isConstraintCheck = false;// ((opFlags& BfUnaryOpFlag_IsConstraintCheck) != 0);
bool isConstraintCheck = ((castFlags & BfCastFlags_IsConstraintCheck) != 0);
BfType* operatorConstraintReturnType = NULL;
BfType* bestSelfType = NULL;
@ -12622,8 +12622,20 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
args.mSize = 0;
}
if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
methodMatcher.mSelfType = entry.mSrcType;
if (isConstraintCheck)
{
auto returnType = CheckOperator(checkType, operatorDef, typedVal, BfTypedValue());
if (returnType != NULL)
{
operatorConstraintReturnType = returnType;
methodMatcher.mBestMethodDef = operatorDef;
}
}
else
{
if (methodMatcher.CheckMethod(NULL, checkType, operatorDef, false))
methodMatcher.mSelfType = entry.mSrcType;
}
args.mSize = prevArgSize;
}
@ -12683,6 +12695,14 @@ BfIRValue BfModule::CastToValue(BfAstNode* srcNode, BfTypedValue typedVal, BfTyp
}
}
}
else if (isConstraintCheck)
{
auto result = BfTypedValue(mBfIRBuilder->GetFakeVal(), operatorConstraintReturnType);
if (result.mType != toType)
return CastToValue(srcNode, result, toType, BfCastFlags_Explicit, resultFlags);
if (result)
return result.mValue;
}
else
{
BfTypedValue result;