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AST: Re-baseline SendingArgsAndResults feature.

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This commit is contained in:
Allan Shortlidge
2025-07-29 15:56:23 -07:00
parent a37ce9a543
commit 2b8ab7fbab
10 changed files with 25 additions and 273 deletions
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51
lib/AST/FeatureSet.cpp
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@@ -140,56 +140,7 @@ UNINTERESTING_FEATURE(StaticExclusiveOnly)
UNINTERESTING_FEATURE(ExtractConstantsFromMembers)
UNINTERESTING_FEATURE(GroupActorErrors)
UNINTERESTING_FEATURE(SameElementRequirements)
static bool usesFeatureSendingArgsAndResults(Decl *decl) {
auto isFunctionTypeWithSending = [](Type type) {
auto fnType = type->getAs<AnyFunctionType>();
if (!fnType)
return false;
if (fnType->hasExtInfo() && fnType->hasSendingResult())
return true;
return llvm::any_of(fnType->getParams(),
[](AnyFunctionType::Param param) {
return param.getParameterFlags().isSending();
});
};
auto declUsesFunctionTypesThatUseSending = [&](Decl *decl) {
return usesTypeMatching(decl, isFunctionTypeWithSending);
};
if (auto *pd = dyn_cast<ParamDecl>(decl)) {
if (pd->isSending()) {
return true;
}
if (declUsesFunctionTypesThatUseSending(pd))
return true;
}
if (auto *fDecl = dyn_cast<AbstractFunctionDecl>(decl)) {
// First check for param decl results.
if (llvm::any_of(fDecl->getParameters()->getArray(), [](ParamDecl *pd) {
return usesFeatureSendingArgsAndResults(pd);
}))
return true;
if (declUsesFunctionTypesThatUseSending(decl))
return true;
}
// Check if we have a pattern binding decl for a function that has sending
// parameters and results.
if (auto *pbd = dyn_cast<PatternBindingDecl>(decl)) {
for (auto index : range(pbd->getNumPatternEntries())) {
auto *pattern = pbd->getPattern(index);
if (pattern->hasType() && isFunctionTypeWithSending(pattern->getType()))
return true;
}
}
return false;
}
UNINTERESTING_FEATURE(SendingArgsAndResults)
static bool findUnderscoredLifetimeAttr(Decl *decl) {
auto hasUnderscoredLifetimeAttr = [](Decl *decl) {