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Sema actions on ObjCDictionaryLiteral and ObjCArryLiteral are currently done as a side-effect of Sema upon parent expressions, which incurs of delayed typo corrections for such literals to be performed by TypoTransforms upon the ObjCDictionaryLiteral and ObjCArryLiteral themselves instead of its elements individually. This is specially bad because it was not designed to act on several elements; searching through all possible combinations of corrections for several elements is very expensive. Additionally, when one of the elements has no correction candidate, we still explore all options and at the end emit no typo corrections whatsoever. Do the proper sema actions by acting on each element alone during appropriate literal parsing time to get proper diagonistics and decent compile time behavior. Differential Revision: http://reviews.llvm.org/D22183 rdar://problem/21046678 llvm-svn: 276020
78 lines
2.6 KiB
Objective-C
78 lines
2.6 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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// rdar://10111397
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// RUN: %clang_cc1 -fsyntax-only -triple i386-apple-macosx10.9.0 -fobjc-runtime=macosx-fragile-10.9.0 -fobjc-subscripting-legacy-runtime -verify %s
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// rdar://15363492
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#if __LP64__ || (TARGET_OS_EMBEDDED && !TARGET_OS_IPHONE) || TARGET_OS_WIN32 || NS_BUILD_32_LIKE_64
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typedef unsigned long NSUInteger;
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#else
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typedef unsigned int NSUInteger;
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#endif
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void checkNSArrayUnavailableDiagnostic() {
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id obj;
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id arr = @[obj]; // expected-error {{definition of class NSArray must be available to use Objective-C array literals}}
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}
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@class NSArray; // expected-note {{forward declaration of class here}}
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void checkNSArrayFDDiagnostic() {
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id obj;
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id arr = @[obj]; // expected-error {{definition of class NSArray must be available to use Objective-C array literals}}
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}
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@class NSString;
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extern void NSLog(NSString *format, ...) __attribute__((format(__NSString__, 1, 2)));
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@class NSFastEnumerationState;
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@protocol NSFastEnumeration
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- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id [])buffer count:(NSUInteger)len;
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@end
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@interface NSNumber
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+ (NSNumber *)numberWithInt:(int)value;
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@end
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@interface NSArray <NSFastEnumeration>
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+ (id)arrayWithObjects:(const id [])objects count:(NSUInteger)cnt;
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@end
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int main() {
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NSArray *array = @[@"Hello", @"There", @"How Are You", [NSNumber numberWithInt:42]];
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for (id string in array)
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NSLog(@"%@\n", string);
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NSArray *array1 = @["Forgot"]; // expected-error {{string literal must be prefixed by '@' in a collection}}
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const char *blah;
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NSArray *array2 = @[blah]; // expected-error{{collection element of type 'const char *' is not an Objective-C object}}
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}
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// rdar://14303083
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id Test14303083() {
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id obj = @[ @"A", (@"B" @"C")];
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return @[ @"A", @"B" @"C"]; // expected-warning {{concatenated NSString literal for an NSArray expression - possibly missing a comma}}
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}
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id radar15147688() {
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#define R15147688_A @"hello"
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#define R15147688_B "world"
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#define CONCATSTR R15147688_A R15147688_B
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id x = @[ @"stuff", CONCATSTR ]; // no-warning
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x = @[ @"stuff", @"hello" "world"]; // expected-warning {{concatenated NSString literal for an NSArray expression}}
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return x;
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}
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enum XXXYYYZZZType { XXXYYYZZZTypeAny }; // expected-note {{'XXXYYYZZZTypeAny' declared here}}
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void foo() {
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NSArray *array = @[
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@(XXXYYYZZZTypeA), // expected-error {{use of undeclared identifier 'XXXYYYZZZTypeA'; did you mean 'XXXYYYZZZTypeAny'}}
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@(XXXYYYZZZTypeSomethingSomething) // expected-error {{use of undeclared identifier 'XXXYYYZZZTypeSomethingSomething'}}
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];
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}
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