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Improved method selection for extension methods with generic 'this'

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This commit is contained in:
Brian Fiete 2025-06-12 06:19:41 +02:00
parent cc107ae341
commit e64e421feb
2 changed files with 30 additions and 3 deletions
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13
IDEHelper/Compiler/BfExprEvaluator.cpp
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@ -889,7 +889,7 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
bool paramWasConstExpr = false;
bool prevParamWasConstExpr = false;
bool paramWasUnspecialized = paramType->IsUnspecializedType();
if ((genericArgumentsSubstitute != NULL) && (paramWasUnspecialized))
{
@ -952,9 +952,16 @@ void BfMethodMatcher::CompareMethods(BfMethodInstance* prevMethodInstance, BfTyp
else if ((wasArgDeferred) && (paramType != prevParamType) && (paramType == arg.mType) && (paramType == resolvedArg->mBestBoundType))
isBetter = true;
else if ((wasArgDeferred) && (paramType != prevParamType) && (prevParamType == arg.mType) && (prevParamType == resolvedArg->mBestBoundType))
isWorse = true;
isWorse = true;
else if ((argIdx == -1) && (anyIsExtension))
{
if ((newMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension) && (wasGenericParam) && (!prevWasGenericParam))
isWorse = true;
else if ((prevMethodInstance->mMethodDef->mMethodType == BfMethodType_Extension) && (prevWasGenericParam) && (!wasGenericParam))
isBetter = true;
}
else
{
{
bool canCastFromCurToPrev = mModule->CanCast(mModule->GetFakeTypedValue(paramType), prevParamType, implicitCastFlags);
bool canCastFromPrevToCur = mModule->CanCast(mModule->GetFakeTypedValue(prevParamType), paramType, implicitCastFlags);