forked from OSchip/llvm-project
78 lines
2.0 KiB
Objective-C
78 lines
2.0 KiB
Objective-C
// RUN: %clang_cc1 -analyze -analyzer-checker=core -w -verify %s
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@interface MyObject
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- (void)takePointer:(void *)ptr __attribute__((nonnull(1)));
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- (void)takePointerArg:(void *)__attribute__((nonnull)) ptr;
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@end
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void testNonNullMethod(int *p, MyObject *obj) {
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if (p)
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return;
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[obj takePointer:p]; // expected-warning{{nonnull}}
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}
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@interface Subclass : MyObject
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// [[nonnull]] is an inherited attribute.
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- (void)takePointer:(void *)ptr;
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@end
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void testSubclass(int *p, Subclass *obj) {
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if (p)
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return;
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[obj takePointer:p]; // expected-warning{{nonnull}}
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}
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void testSubclassArg(int *p, Subclass *obj) {
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if (p)
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return;
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[obj takePointerArg:p]; // expected-warning{{nonnull}}
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}
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union rdar16153464_const_cp_t {
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const struct rdar16153464_cczp *zp;
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const struct rdar16153464_cczp_prime *prime;
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} __attribute__((transparent_union));
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struct rdar16153464_header {
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union rdar16153464_const_cp_t cp;
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unsigned char pad[16 - sizeof(union rdar16153464_const_cp_t *)];
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} __attribute__((aligned(16)));
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struct rdar16153464_full_ctx {
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struct rdar16153464_header hdr;
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} __attribute__((aligned(16)));
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struct rdar16153464_pub_ctx {
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struct rdar16153464_header hdr;
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} __attribute__((aligned(16)));
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union rdar16153464_full_ctx_t {
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struct rdar16153464_full_ctx *_full;
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struct rdar16153464_header *hdr;
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struct rdar16153464_body *body;
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struct rdar16153464_public *pub;
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} __attribute__((transparent_union));
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union rdar16153464_pub_ctx_t {
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struct rdar16153464_pub_ctx *_pub;
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struct rdar16153464_full_ctx *_full;
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struct rdar16153464_header *hdr;
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struct rdar16153464_body *body;
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struct rdar16153464_public *pub;
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union rdar16153464_full_ctx_t innert;
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} __attribute__((transparent_union));
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int rdar16153464(union rdar16153464_full_ctx_t inner)
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{
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extern void rdar16153464_check(union rdar16153464_pub_ctx_t outer) __attribute((nonnull(1)));
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rdar16153464_check((union rdar16153464_pub_ctx_t){ .innert = inner }); // no-warning
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rdar16153464_check(inner); // no-warning
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rdar16153464_check(0); // expected-warning{{nonnull}}
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}
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