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Fixed cases of undetected ambiguous calls

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This commit is contained in:
Brian Fiete 2020-10-08 12:09:04 -07:00
parent e8b35ce0c4
commit 4cea33d96f
6 changed files with 94 additions and 14 deletions
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31
IDEHelper/Compiler/BfExprEvaluator.cpp
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@ -718,18 +718,22 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
bool betterByConstExprParam = false;
bool worseByConstExprParam = false;
bool someArgWasBetter = false;
bool someArgWasWorse = false;
for (argIdx = anyIsExtension ? -1 : 0; argIdx < (int)mArguments.size(); argIdx++)
{
BfTypedValue arg;
BfResolvedArg* resolvedArg = NULL;
BfResolvedArg* resolvedArg = NULL;
bool wasArgDeferred = false;
if (argIdx == -1)
{
arg = mTarget;
}
else
{
{
resolvedArg = &mArguments[argIdx];
wasArgDeferred = resolvedArg->mArgFlags != 0;
arg = resolvedArg->mTypedValue;
}
@ -739,8 +743,8 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
bool wasGenericParam = (newArgIdx >= 0) && newMethodInstance->WasGenericParam(newArgIdx);
bool prevWasGenericParam = (prevArgIdx >= 0) && prevMethodInstance->WasGenericParam(prevArgIdx);
BfType* paramType = newMethodInstance->GetParamType(newArgIdx);
BfType* prevParamType = prevMethodInstance->GetParamType(prevArgIdx);
BfType* paramType = newMethodInstance->GetParamType(newArgIdx, true);
BfType* prevParamType = prevMethodInstance->GetParamType(prevArgIdx, true);
numUsedParams++;
prevNumUsedParams++;
@ -796,9 +800,10 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
{
// The resolved argument type may actually match for both considered functions. IE:
// Method(int8 val) and Method(int16 val) called with Method(0) will create arguments that match their param types
if ((!wasGenericParam) && (IsType(arg, paramType)) && ((resolvedArg == NULL) || (prevParamType != resolvedArg->mBestBoundType)))
if ((!wasArgDeferred) && (!wasGenericParam) && (IsType(arg, paramType)) && ((resolvedArg == NULL) || (prevParamType != resolvedArg->mBestBoundType)))
isBetter = true;
else if ((!prevWasGenericParam) && (IsType(arg, prevParamType)) && (!IsType(arg, paramType)))
//else if ((!prevWasGenericParam) && (IsType(arg, prevParamType)) && (!IsType(arg, paramType)))
else if ((!wasArgDeferred) && (!prevWasGenericParam) && (IsType(arg, prevParamType)) && ((resolvedArg == NULL) || (paramType != resolvedArg->mBestBoundType)))
isWorse = true;
else
{
@ -830,6 +835,10 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
isWorse = true;
}
}
else if ((wasArgDeferred) && ((paramType->IsIntegral()) || (prevParamType->IsIntegral())))
{
SET_BETTER_OR_WORSE(paramType->IsIntegral(), prevParamType->IsIntegral());
}
}
}
}
@ -858,7 +867,14 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
if ((usedExtendedForm) || (prevUsedExtendedForm))
break;
someArgWasBetter |= isBetter;
someArgWasWorse |= isWorse;
isBetter = false;
isWorse = false;
}
isBetter |= someArgWasBetter;
isWorse |= someArgWasWorse;
if ((!isBetter) && (!isWorse))
{
@ -1869,7 +1885,8 @@ bool BfMethodMatcher::CheckMethod(BfTypeInstance* targetTypeInstance, BfTypeInst
{
BF_ASSERT(!ambiguousEntry.mBestMethodGenericArguments.empty());
}
mAmbiguousEntries.push_back(ambiguousEntry);
mAmbiguousEntries.push_back(ambiguousEntry);
goto Done;
}
}