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llvm-project/clang/test/ARCMT/nonobjc-to-objc-cast.m.result

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The ARC Migration Tool. All the credit goes to Argyrios and Fariborz for this. llvm-svn: 133104
2011-06-16 07:25:17 +08:00
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fsyntax-only -fobjc-arc -x objective-c %s.result
[arcmt] Make arcmt-test accept cc1 options to make it more portable and hopefully fix MSVC failures. llvm-svn: 133119
2011-06-16 08:53:46 +08:00
// RUN: arcmt-test --args -triple x86_64-apple-darwin10 -fobjc-nonfragile-abi -fsyntax-only -x objective-c %s > %t
The ARC Migration Tool. All the credit goes to Argyrios and Fariborz for this. llvm-svn: 133104
2011-06-16 07:25:17 +08:00
// RUN: diff %t %s.result
#include "Common.h"
@interface NSString : NSObject
[arcmt] More automatic transformations and safety improvements; rdar://9615812 : - Replace calling -zone with 'nil'. -zone is obsolete in ARC. - Allow removing retain/release on a static global var. - Fix assertion hit when scanning for name references outside a NSAutoreleasePool scope. - Automatically add bridged casts for results of objc method calls and when calling CFRetain, for example: NSString *s; CFStringRef ref = [s string]; -> CFStringRef ref = (__bridge CFStringRef)([s string]); ref = s.string; -> ref = (__bridge CFStringRef)(s.string); ref = [NSString new]; -> ref = (__bridge_retained CFStringRef)([NSString new]); ref = [s newString]; -> ref = (__bridge_retained CFStringRef)([s newString]); ref = [[NSString alloc] init]; -> ref = (__bridge_retained CFStringRef)([[NSString alloc] init]); ref = [[s string] retain]; -> ref = (__bridge_retained CFStringRef)([s string]); ref = CFRetain(s); -> ref = (__bridge_retained CFTypeRef)(s); ref = [s retain]; -> ref = (__bridge_retained CFStringRef)(s); - Emit migrator error when trying to cast to CF type the result of autorelease/release: for CFStringRef f3() { return (CFStringRef)[[[NSString alloc] init] autorelease]; } emits: t.m:12:10: error: [rewriter] it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ t.m:12:3: note: [rewriter] remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ - Before changing attributes to weak/unsafe_unretained, check if the backing ivar is set to a +1 object, in which case use 'strong' instead. llvm-svn: 136208
2011-07-27 13:28:18 +08:00
-(id)string;
-(id)newString;
The ARC Migration Tool. All the credit goes to Argyrios and Fariborz for this. llvm-svn: 133104
2011-06-16 07:25:17 +08:00
@end
typedef const struct __CFString * CFStringRef;
extern const CFStringRef kUTTypePlainText;
extern const CFStringRef kUTTypeRTF;
typedef const struct __CFAllocator * CFAllocatorRef;
typedef const struct __CFUUID * CFUUIDRef;
extern const CFAllocatorRef kCFAllocatorDefault;
extern CFStringRef CFUUIDCreateString(CFAllocatorRef alloc, CFUUIDRef uuid);
void f(BOOL b, id p) {
NSString *str = (__bridge NSString *)kUTTypePlainText;
str = (__bridge NSString *)(b ? kUTTypeRTF : kUTTypePlainText);
str = (__bridge NSString *)(b ? kUTTypeRTF : kUTTypePlainText);
str = (NSString *)p; // no change.
CFUUIDRef _uuid;
NSString *_uuidString = (__bridge_transfer NSString *)CFUUIDCreateString(kCFAllocatorDefault, _uuid);
_uuidString = (__bridge_transfer NSString *)CFUUIDCreateString(kCFAllocatorDefault, _uuid);
[arcmt] More automatic transformations and safety improvements; rdar://9615812 : - Replace calling -zone with 'nil'. -zone is obsolete in ARC. - Allow removing retain/release on a static global var. - Fix assertion hit when scanning for name references outside a NSAutoreleasePool scope. - Automatically add bridged casts for results of objc method calls and when calling CFRetain, for example: NSString *s; CFStringRef ref = [s string]; -> CFStringRef ref = (__bridge CFStringRef)([s string]); ref = s.string; -> ref = (__bridge CFStringRef)(s.string); ref = [NSString new]; -> ref = (__bridge_retained CFStringRef)([NSString new]); ref = [s newString]; -> ref = (__bridge_retained CFStringRef)([s newString]); ref = [[NSString alloc] init]; -> ref = (__bridge_retained CFStringRef)([[NSString alloc] init]); ref = [[s string] retain]; -> ref = (__bridge_retained CFStringRef)([s string]); ref = CFRetain(s); -> ref = (__bridge_retained CFTypeRef)(s); ref = [s retain]; -> ref = (__bridge_retained CFStringRef)(s); - Emit migrator error when trying to cast to CF type the result of autorelease/release: for CFStringRef f3() { return (CFStringRef)[[[NSString alloc] init] autorelease]; } emits: t.m:12:10: error: [rewriter] it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ t.m:12:3: note: [rewriter] remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ - Before changing attributes to weak/unsafe_unretained, check if the backing ivar is set to a +1 object, in which case use 'strong' instead. llvm-svn: 136208
2011-07-27 13:28:18 +08:00
_uuidString = (__bridge_transfer NSString *)(CFRetain(_uuid));
The ARC Migration Tool. All the credit goes to Argyrios and Fariborz for this. llvm-svn: 133104
2011-06-16 07:25:17 +08:00
}
[arcmt] Always add '__bridge' cast when 'self' is cast to a C pointer. rdar://9644061 llvm-svn: 133480
2011-06-21 07:39:20 +08:00
@implementation NSString (StrExt)
- (NSString *)stringEscapedAsURI {
CFStringRef str = (__bridge CFStringRef)self;
CFStringRef str2 = (__bridge CFStringRef)(self);
return self;
}
@end
[arcmt] More automatic transformations and safety improvements; rdar://9615812 : - Replace calling -zone with 'nil'. -zone is obsolete in ARC. - Allow removing retain/release on a static global var. - Fix assertion hit when scanning for name references outside a NSAutoreleasePool scope. - Automatically add bridged casts for results of objc method calls and when calling CFRetain, for example: NSString *s; CFStringRef ref = [s string]; -> CFStringRef ref = (__bridge CFStringRef)([s string]); ref = s.string; -> ref = (__bridge CFStringRef)(s.string); ref = [NSString new]; -> ref = (__bridge_retained CFStringRef)([NSString new]); ref = [s newString]; -> ref = (__bridge_retained CFStringRef)([s newString]); ref = [[NSString alloc] init]; -> ref = (__bridge_retained CFStringRef)([[NSString alloc] init]); ref = [[s string] retain]; -> ref = (__bridge_retained CFStringRef)([s string]); ref = CFRetain(s); -> ref = (__bridge_retained CFTypeRef)(s); ref = [s retain]; -> ref = (__bridge_retained CFStringRef)(s); - Emit migrator error when trying to cast to CF type the result of autorelease/release: for CFStringRef f3() { return (CFStringRef)[[[NSString alloc] init] autorelease]; } emits: t.m:12:10: error: [rewriter] it is not safe to cast to 'CFStringRef' the result of 'autorelease' message; a __bridge cast may result in a pointer to a destroyed object and a __bridge_retained may leak the object return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ t.m:12:3: note: [rewriter] remove the cast and change return type of function to 'NSString *' to have the object automatically autoreleased return (CFStringRef)[[[NSString alloc] init] autorelease]; ^ - Before changing attributes to weak/unsafe_unretained, check if the backing ivar is set to a +1 object, in which case use 'strong' instead. llvm-svn: 136208
2011-07-27 13:28:18 +08:00
void f2(NSString *s) {
CFStringRef ref = (__bridge CFStringRef)([s string]);
ref = (__bridge CFStringRef)[s string];
ref = (__bridge CFStringRef)(s.string);
ref = (__bridge_retained CFStringRef)([NSString new]);
ref = (__bridge_retained CFStringRef)([s newString]);
ref = (__bridge_retained CFStringRef)[NSString new];
ref = (__bridge_retained CFStringRef)([[NSString alloc] init]);
ref = (__bridge_retained CFStringRef)([s string]);
ref = (__bridge_retained CFStringRef)[s string];
ref = (__bridge_retained CFTypeRef)([s string]);
ref = (__bridge_retained CFTypeRef)(s);
ref = (__bridge_retained CFStringRef)(s);
}