File: macros.m

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (31 lines) | stat: -rw-r--r-- 1,366 bytes parent folder | download | duplicates (28)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx -fblocks -analyzer-output=text -verify %s

#include "../Inputs/system-header-simulator-objc.h"

@interface NSDictionary : NSObject
- (NSUInteger)count;
- (id)objectForKey:(id)aKey;
- (NSEnumerator *)keyEnumerator;
@end
@interface NSMutableDictionary : NSDictionary
- (void)setObject:(id)anObject forKey:(id <NSCopying>)aKey;
@end

void testBOOLMacro(BOOL b) {
  if (b == YES) { // expected-note {{Assuming 'b' is equal to YES}}
                  // expected-note@-1 {{Taking true branch}}
    char *p = NULL;// expected-note {{'p' initialized to a null pointer value}}
    *p = 7;  // expected-warning {{Dereference of null pointer (loaded from variable 'p')}}
             // expected-note@-1 {{Dereference of null pointer (loaded from variable 'p')}}
  }
}

void testNilMacro(NSMutableDictionary *d, NSObject *o) {
  if (o == nil) // expected-note {{Assuming 'o' is equal to nil}}
                // expected-note@-1 {{Taking true branch}}
    [d setObject:o forKey:[o description]]; // expected-warning {{Key argument to 'setObject:forKey:' cannot be nil}}
                                            // expected-note@-1 {{'description' not called because the receiver is nil}}
                                            // expected-note@-2 {{Key argument to 'setObject:forKey:' cannot be nil}}

  return;
}