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// RUN: %clang_analyze_cc1 -verify -Wno-objc-root-class %s \
// RUN: -Wno-tautological-pointer-compare \
// RUN: -analyzer-checker=core \
// RUN: -analyzer-checker=nullability \
// RUN: -analyzer-checker=debug.ExprInspection
void clang_analyzer_eval(int);
@interface TestFunctionLevelAnnotations
- (void)method1:(int *_Nonnull)x;
- (void)method2:(int *)x __attribute__((nonnull));
@end
@implementation TestFunctionLevelAnnotations
- (void)method1:(int *_Nonnull)x {
clang_analyzer_eval(x != 0); // expected-warning{{TRUE}}
}
- (void)method2:(int *)x {
clang_analyzer_eval(x != 0); // expected-warning{{TRUE}}
}
@end
typedef struct NestedNonnullMember {
struct NestedNonnullMember *Child;
int *_Nonnull Value;
} NestedNonnullMember;
NestedNonnullMember *foo();
void f1(NestedNonnullMember *Root) {
NestedNonnullMember *Grandson = Root->Child->Child;
clang_analyzer_eval(Root->Value != 0); // expected-warning{{TRUE}}
clang_analyzer_eval(Grandson->Value != 0); // expected-warning{{TRUE}}
clang_analyzer_eval(foo()->Child->Value != 0); // expected-warning{{TRUE}}
}
// Check that we correctly process situations when non-pointer parameters
// get nonnul attributes.
// Original problem: rdar://problem/63150074
typedef struct {
long a;
} B;
__attribute__((nonnull)) void c(B x, int *y);
void c(B x, int *y) {
clang_analyzer_eval(y != 0); // expected-warning{{TRUE}}
}
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