forked from OSchip/llvm-project
91 lines
2.7 KiB
Objective-C
91 lines
2.7 KiB
Objective-C
// RUN: %clang_cc1 -verify -fsyntax-only -Wno-objc-root-class %s
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@class I0; // expected-note 2{{forward declaration of class here}}
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// rdar://6811884
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int g0 = sizeof(I0); // expected-error{{invalid application of 'sizeof' to an incomplete type 'I0'}}
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// rdar://6821047
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void *g3(I0 *P) {
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P = P+5; // expected-error {{arithmetic on a pointer to an incomplete type 'I0'}}
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return &P[4]; // expected-error{{expected method to read array element not found on object of type 'I0 *'}}
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}
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@interface I0 {
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@public
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char x[4];
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}
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@property int p0;
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@end
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// size == 4
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int g1[ sizeof(I0) // expected-error {{application of 'sizeof' to interface 'I0' is not supported on this architecture and platform}}
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== 4 ? 1 : -1];
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@implementation I0
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@synthesize p0 = _p0;
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@end
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// size == 4 (we do not include extended properties in the
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// sizeof).
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int g2[ sizeof(I0) // expected-error {{application of 'sizeof' to interface 'I0' is not supported on this architecture and platform}}
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== 4 ? 1 : -1];
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@interface I1
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@property int p0;
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@end
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@implementation I1
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@synthesize p0 = _p0;
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@end
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typedef struct { @defs(I1); } I1_defs; // expected-error {{use of @defs is not supported on this architecture and platform}}
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// FIXME: This is currently broken due to the way the record layout we
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// create is tied to whether we have seen synthesized properties. Ugh.
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// int g3[ sizeof(I1) == 0 ? 1 : -1];
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// rdar://6821047
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int bar(I0 *P) {
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P = P+5; // expected-error {{arithmetic on pointer to interface 'I0', which is not a constant size for this architecture and platform}}
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P = 5+P; // expected-error {{arithmetic on pointer to interface 'I0', which is not a constant size for this architecture and platform}}
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P = P-5; // expected-error {{arithmetic on pointer to interface 'I0', which is not a constant size for this architecture and platform}}
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return P[4].x[2]; // expected-error {{expected method to read array element not found on object of type 'I0 *'}}
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}
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@interface I @end
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@interface XCAttributeRunDirectNode
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{
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@public
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unsigned long attributeRuns[1024 + sizeof(I)]; // expected-error {{application of 'sizeof' to interface 'I' is not supported on this architecture and platform}}
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int i;
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}
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@end
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@implementation XCAttributeRunDirectNode
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- (unsigned long)gatherStats:(id )stats
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{
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return attributeRuns[i];
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}
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@end
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@interface Foo @end
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int foo()
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{
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Foo *f;
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// Both of these crash clang nicely
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++f; // expected-error {{arithmetic on pointer to interface 'Foo', which is not a constant size for this architecture and platform}}
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--f; // expected-error {{arithmetic on pointer to interface 'Foo', which is not a constant size for this architecture and platform}}
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}
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