compnerd updated this revision to Diff 294124.
compnerd marked an inline comment as done.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D87720/new/
https://reviews.llvm.org/D87720
Files:
clang/include/clang/Basic/Attr.td
clang/include/clang/Basic/AttrDocs.td
clang/lib/Sema/SemaDecl.cpp
clang/lib/Sema/SemaDeclAttr.cpp
clang/test/SemaObjC/attr-swift_private.m
Index: clang/test/SemaObjC/attr-swift_private.m
===================================================================
--- /dev/null
+++ clang/test/SemaObjC/attr-swift_private.m
@@ -0,0 +1,29 @@
+// RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc %s
+
+__attribute__((__swift_private__))
+@protocol P
+@end
+
+__attribute__((__swift_private__))
+@interface I
+@end
+
+@interface J
+@property id property __attribute__((__swift_private__));
+- (void)instanceMethod __attribute__((__swift_private__));
++ (void)classMethod __attribute__((__swift_private__));
+@end
+
+void f(void) __attribute__((__swift_private__));
+
+struct __attribute__((__swift_private__)) S {};
+
+enum __attribute__((__swift_private__)) E {
+ one,
+ two,
+};
+
+typedef struct { } T __attribute__((__swift_private__));
+
+void g(void) __attribute__((__swift_private__("private")));
+// expected-error@-1 {{'__swift_private__' attribute takes no arguments}}
Index: clang/lib/Sema/SemaDeclAttr.cpp
===================================================================
--- clang/lib/Sema/SemaDeclAttr.cpp
+++ clang/lib/Sema/SemaDeclAttr.cpp
@@ -7904,6 +7904,9 @@
case ParsedAttr::AT_SwiftObjCMembers:
handleSimpleAttribute<SwiftObjCMembersAttr>(S, D, AL);
break;
+ case ParsedAttr::AT_SwiftPrivate:
+ handleSimpleAttribute<SwiftPrivateAttr>(S, D, AL);
+ break;
// XRay attributes.
case ParsedAttr::AT_XRayLogArgs:
Index: clang/lib/Sema/SemaDecl.cpp
===================================================================
--- clang/lib/Sema/SemaDecl.cpp
+++ clang/lib/Sema/SemaDecl.cpp
@@ -2595,6 +2595,8 @@
else if (const auto *SNA = dyn_cast<SwiftNameAttr>(Attr))
NewAttr = S.mergeSwiftNameAttr(D, *SNA, SNA->getName(),
AMK == Sema::AMK_Override);
+ else if (isa<SwiftPrivateAttr>(Attr) && AMK == Sema::AMK_Override)
+ NewAttr = nullptr;
else if (const auto *OA = dyn_cast<OptimizeNoneAttr>(Attr))
NewAttr = S.mergeOptimizeNoneAttr(D, *OA);
else if (const auto *InternalLinkageA = dyn_cast<InternalLinkageAttr>(Attr))
Index: clang/include/clang/Basic/AttrDocs.td
===================================================================
--- clang/include/clang/Basic/AttrDocs.td
+++ clang/include/clang/Basic/AttrDocs.td
@@ -3652,6 +3652,19 @@
}];
}
+def SwiftPrivateDocs : Documentation {
+ let Category = SwiftDocs;
+ let Heading = "swift_private";
+ let Content = [{
+Declarations marked with the ``swift_private`` attribute are hidden from the
+framework client but are still made available for use within the framework or
+Swift SDK overlay.
+
+The purpose of this attribute is to permit a more idomatic implementation of
+declarations in Swift while hiding the non-idiomatic one.
+ }];
+}
+
def OMPDeclareSimdDocs : Documentation {
let Category = DocCatFunction;
let Heading = "#pragma omp declare simd";
Index: clang/include/clang/Basic/Attr.td
===================================================================
--- clang/include/clang/Basic/Attr.td
+++ clang/include/clang/Basic/Attr.td
@@ -2177,6 +2177,11 @@
let HasCustomParsing = 1;
}
+def SwiftPrivate : InheritableAttr {
+ let Spellings = [GNU<"swift_private">];
+ let Documentation = [SwiftPrivateDocs];
+}
+
def NoDeref : TypeAttr {
let Spellings = [Clang<"noderef">];
let Documentation = [NoDerefDocs];
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