[clang] Handle __declspec() attributes in using
[llvm-project.git] / clang / test / Analysis / UserNullabilityAnnotations.m
blobcb6c288b67821b43da8fdbc528b25f254af807e3
1 // RUN: %clang_analyze_cc1 -verify -Wno-objc-root-class %s \
2 // RUN:   -Wno-tautological-pointer-compare \
3 // RUN:   -analyzer-checker=core \
4 // RUN:   -analyzer-checker=nullability \
5 // RUN:   -analyzer-checker=debug.ExprInspection
7 void clang_analyzer_eval(int);
9 @interface TestFunctionLevelAnnotations
10 - (void)method1:(int *_Nonnull)x;
11 - (void)method2:(int *)x __attribute__((nonnull));
12 @end
14 @implementation TestFunctionLevelAnnotations
15 - (void)method1:(int *_Nonnull)x {
16   clang_analyzer_eval(x != 0); // expected-warning{{TRUE}}
19 - (void)method2:(int *)x {
20   clang_analyzer_eval(x != 0); // expected-warning{{TRUE}}
22 @end
24 typedef struct NestedNonnullMember {
25   struct NestedNonnullMember *Child;
26   int *_Nonnull Value;
27 } NestedNonnullMember;
29 NestedNonnullMember *foo(void);
31 void f1(NestedNonnullMember *Root) {
32   NestedNonnullMember *Grandson = Root->Child->Child;
34   clang_analyzer_eval(Root->Value != 0);         // expected-warning{{TRUE}}
35   clang_analyzer_eval(Grandson->Value != 0);     // expected-warning{{TRUE}}
36   clang_analyzer_eval(foo()->Child->Value != 0); // expected-warning{{TRUE}}
39 // Check that we correctly process situations when non-pointer parameters
40 // get nonnul attributes.
41 // Original problem: rdar://problem/63150074
42 typedef struct {
43   long a;
44 } B;
45 __attribute__((nonnull)) void c(B x, int *y);
47 void c(B x, int *y) {
48   clang_analyzer_eval(y != 0); // expected-warning{{TRUE}}