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Sema: Compute existential member access limitations for storage declarations

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This commit is contained in:
Anthony Latsis
2024-11-25 14:16:07 +00:00
parent 01c899b31c
commit 1ce0aeefd2
4 changed files with 86 additions and 22 deletions
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9
lib/Sema/CSSimplify.cpp
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@@ -9878,8 +9878,15 @@ performMemberLookup(ConstraintKind constraintKind, DeclNameRef memberName,
// member access if the member's signature references 'Self'.
if (instanceTy->isExistentialType() &&
decl->getDeclContext()->getSelfProtocolDecl()) {
if (!isMemberAvailableOnExistential(instanceTy, decl)) {
switch (isMemberAvailableOnExistential(instanceTy, decl)) {
case ExistentialMemberAccessLimitation::Unsupported:
// TODO: Write-only accesses are not supported yet.
case ExistentialMemberAccessLimitation::WriteOnly:
return true;
case ExistentialMemberAccessLimitation::ReadOnly:
case ExistentialMemberAccessLimitation::None:
break;
}
}