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Print Sendable conformances for clang types

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This commit is contained in:
Becca Royal-Gordon
2021-10-27 14:00:57 -07:00
parent e130826686
commit 36bae62b19
6 changed files with 65 additions and 8 deletions
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35
lib/AST/ASTPrinter.cpp
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@@ -1769,6 +1769,24 @@ bool ShouldPrintChecker::shouldPrint(const Pattern *P,
return ShouldPrint;
}
bool isNonSendableExtension(const Decl *D) {
ASTContext &ctx = D->getASTContext();
const ExtensionDecl *ED = dyn_cast<ExtensionDecl>(D);
if (!ED || !ED->getAttrs().isUnavailable(ctx))
return false;
auto nonSendable =
ED->getExtendedNominal()->getAttrs().getEffectiveSendableAttr();
if (!isa_and_nonnull<NonSendableAttr>(nonSendable))
return false;
// GetImplicitSendableRequest::evaluate() creates its extension with the
// attribute's AtLoc, so this is a good way to quickly check if the extension
// was synthesized for an '@_nonSendable' attribute.
return ED->getLocFromSource() == nonSendable->AtLoc;
}
bool ShouldPrintChecker::shouldPrint(const Decl *D,
const PrintOptions &Options) {
#if SWIFT_BUILD_ONLY_SYNTAXPARSERLIB
@@ -1791,15 +1809,18 @@ bool ShouldPrintChecker::shouldPrint(const Decl *D,
return false;
}
if (Options.SkipImplicit && D->isImplicit()) {
const auto &IgnoreList = Options.TreatAsExplicitDeclList;
if (std::find(IgnoreList.begin(), IgnoreList.end(), D) == IgnoreList.end())
// Optionally skip these checks for extensions synthesized for '@_nonSendable'
if (!Options.AlwaysPrintNonSendableExtensions || !isNonSendableExtension(D)) {
if (Options.SkipImplicit && D->isImplicit()) {
const auto &IgnoreList = Options.TreatAsExplicitDeclList;
if (!llvm::is_contained(IgnoreList, D))
return false;
}
}
if (Options.SkipUnavailable &&
D->getAttrs().isUnavailable(D->getASTContext()))
return false;
if (Options.SkipUnavailable &&
D->getAttrs().isUnavailable(D->getASTContext()))
return false;
}
if (Options.ExplodeEnumCaseDecls) {
if (isa<EnumElementDecl>(D))