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Objective-C arc [Sema]. Allow bridge cast of a qualified-id expression 

when bridged Objective-C type conforms to the protocols in CF types's
Objective-C class. // rdar://16393330

llvm-svn: 205659
This commit is contained in:
Fariborz Jahanian 2014-04-04 23:53:45 +00:00
parent de0b413ec0
commit 48a01cb5ec
5 changed files with 70 additions and 54 deletions
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20
clang/lib/AST/ASTContext.cpp
View File

@ -3559,12 +3559,28 @@ bool ASTContext::QIdProtocolsAdoptObjCObjectProtocols(QualType QT,
CollectInheritedProtocols(IDecl, InheritedProtocols);
if (InheritedProtocols.empty())
return false;
// Check that if every protocol in list of id<plist> conforms to a protcol
// of IDecl's, then bridge casting is ok.
bool Conforms = false;
for (auto *Proto : OPT->quals()) {
Conforms = false;
for (auto *PI : InheritedProtocols) {
if (ProtocolCompatibleWithProtocol(Proto, PI)) {
Conforms = true;
break;
}
}
if (!Conforms)
break;
}
if (Conforms)
return true;
for (auto *PI : InheritedProtocols) {
// If both the right and left sides have qualifiers.
bool Adopts = false;
for (auto *Proto : OPT->quals()) {
// return 'true' if '*PI' is in the inheritance hierarchy of Proto
// return 'true' if 'PI' is in the inheritance hierarchy of Proto
if ((Adopts = ProtocolCompatibleWithProtocol(PI, Proto)))
break;
}

26
clang/test/SemaObjC/objcbridge-attribute-arc.m
View File

@ -1,9 +1,9 @@
// RUN: %clang_cc1 -fsyntax-only -x objective-c -fobjc-arc -verify -Wno-objc-root-class %s
// rdar://15454846
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 7 {{declared here}}
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
@ -53,9 +53,9 @@ typedef CFErrorRef1 CFErrorRef2; // expected-note 2 {{declared here}}
@protocol P4 @end
@protocol P5 @end
@interface NSError<P1, P2, P3> @end // expected-note 7 {{declared here}}
@interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}}
@interface MyError : NSError // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 1 {{declared here}}
@end
@interface NSUColor @end
@ -92,8 +92,8 @@ void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFErrorRef)ID; // ok
(void)(CFErrorRef)P123; // ok
(void)(CFErrorRef)P1234; // ok
(void)(CFErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
(void)(CFErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
(void)(CFErrorRef)P12;
(void)(CFErrorRef)P23;
}
void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
@ -101,21 +101,21 @@ void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFMyErrorRef)ID; // ok
(void)(CFMyErrorRef)P123; // ok
(void)(CFMyErrorRef)P1234; // ok
(void)(CFMyErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}}
(void)(CFMyErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}}
(void)(CFMyErrorRef)P12; // ok
(void)(CFMyErrorRef)P23; // ok
}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 4 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 4 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
@end
void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
(void)(CFMyPersonalErrorRef)ID; // ok
(void)(CFMyPersonalErrorRef)P123; // expected-warning {{'id<P1,P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P123; // ok
(void)(CFMyPersonalErrorRef)P1234; // ok
(void)(CFMyPersonalErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P12; // ok
(void)(CFMyPersonalErrorRef)P23; // ok
}
void Test8(CFMyPersonalErrorRef cf) {

26
clang/test/SemaObjC/objcbridge-attribute.m
View File

@ -1,9 +1,9 @@
// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
// rdar://15454846
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}}
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
@ -53,9 +53,9 @@ typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}
@protocol P4 @end
@protocol P5 @end
@interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}}
@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 1 {{declared here}}
@end
@interface NSUColor @end
@ -92,8 +92,8 @@ void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFErrorRef)ID; // ok
(void)(CFErrorRef)P123; // ok
(void)(CFErrorRef)P1234; // ok
(void)(CFErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
(void)(CFErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
(void)(CFErrorRef)P12; // ok
(void)(CFErrorRef)P23; // ok
}
void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
@ -101,21 +101,21 @@ void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFMyErrorRef)ID; // ok
(void)(CFMyErrorRef)P123; // ok
(void)(CFMyErrorRef)P1234; // ok
(void)(CFMyErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}}
(void)(CFMyErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}}
(void)(CFMyErrorRef)P12; // ok
(void)(CFMyErrorRef)P23; // ok
}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 4 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 4 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
@end
void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
(void)(CFMyPersonalErrorRef)ID; // ok
(void)(CFMyPersonalErrorRef)P123; // expected-warning {{'id<P1,P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P123; // ok
(void)(CFMyPersonalErrorRef)P1234; // ok
(void)(CFMyPersonalErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P12; // ok
(void)(CFMyPersonalErrorRef)P23; // ok
}
void Test8(CFMyPersonalErrorRef cf) {

26
clang/test/SemaObjCXX/objcbridge-attribute-arc.mm
View File

@ -1,9 +1,9 @@
// RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s
// rdar://15454846
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 7 {{declared here}}
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
@ -53,9 +53,9 @@ typedef CFErrorRef1 CFErrorRef2; // expected-note 2 {{declared here}}
@protocol P4 @end
@protocol P5 @end
@interface NSError<P1, P2, P3> @end // expected-note 7 {{declared here}}
@interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}}
@interface MyError : NSError // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 1 {{declared here}}
@end
@interface NSUColor @end
@ -92,8 +92,8 @@ void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFErrorRef)ID; // ok
(void)(CFErrorRef)P123; // ok
(void)(CFErrorRef)P1234; // ok
(void)(CFErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}}
(void)(CFErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}}
(void)(CFErrorRef)P12;
(void)(CFErrorRef)P23;
}
void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
@ -101,21 +101,21 @@ void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFMyErrorRef)ID; // ok
(void)(CFMyErrorRef)P123; // ok
(void)(CFMyErrorRef)P1234; // ok
(void)(CFMyErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyErrorRef' (aka '__CFMyErrorRef *')}}
(void)(CFMyErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyErrorRef' (aka '__CFMyErrorRef *')}}
(void)(CFMyErrorRef)P12; // ok
(void)(CFMyErrorRef)P23; // ok
}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 4 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 4 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
@end
void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
(void)(CFMyPersonalErrorRef)ID; // ok
(void)(CFMyPersonalErrorRef)P123; // expected-warning {{'id<P1,P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P123; // ok
(void)(CFMyPersonalErrorRef)P1234; // ok
(void)(CFMyPersonalErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P12; // ok
(void)(CFMyPersonalErrorRef)P23; // ok
}
void Test8(CFMyPersonalErrorRef cf) {

26
clang/test/SemaObjCXX/objcbridge-attribute.mm
View File

@ -1,9 +1,9 @@
// RUN: %clang_cc1 -fsyntax-only -x objective-c++ -verify -Wno-objc-root-class %s
// rdar://15454846
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}}
typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 3 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
@ -53,9 +53,9 @@ typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}
@protocol P4 @end
@protocol P5 @end
@interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}}
@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 3 {{declared here}}
@interface MyError : NSError // expected-note 1 {{declared here}}
@end
@interface NSUColor @end
@ -92,8 +92,8 @@ void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFErrorRef)ID; // ok
(void)(CFErrorRef)P123; // ok
(void)(CFErrorRef)P1234; // ok
(void)(CFErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}}
(void)(CFErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}}
(void)(CFErrorRef)P12; // ok
(void)(CFErrorRef)P23; // ok
}
void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
@ -101,21 +101,21 @@ void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12,
(void)(CFMyErrorRef)ID; // ok
(void)(CFMyErrorRef)P123; // ok
(void)(CFMyErrorRef)P1234; // ok
(void)(CFMyErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyErrorRef' (aka '__CFMyErrorRef *')}}
(void)(CFMyErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyErrorRef' (aka '__CFMyErrorRef *')}}
(void)(CFMyErrorRef)P12; // ok
(void)(CFMyErrorRef)P23; // ok
}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 4 {{declared here}}
typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 4 {{declared here}}
@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
@end
void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
(void)(CFMyPersonalErrorRef)ID; // ok
(void)(CFMyPersonalErrorRef)P123; // expected-warning {{'id<P1,P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P123; // ok
(void)(CFMyPersonalErrorRef)P1234; // ok
(void)(CFMyPersonalErrorRef)P12; // expected-warning {{'id<P1,P2>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P23; // expected-warning {{'id<P2,P3>' cannot bridge to 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}}
(void)(CFMyPersonalErrorRef)P12; // ok
(void)(CFMyPersonalErrorRef)P23; // ok
}
void Test8(CFMyPersonalErrorRef cf) {