File: assume-super-init-does-not-return-nil.m

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (41 lines) | stat: -rw-r--r-- 806 bytes parent folder | download | duplicates (29) 
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
32
33
34
35
36
37
38
39
40
41
 
// RUN: %clang_analyze_cc1 -analyzer-checker=core,osx -verify %s

typedef signed char BOOL;

@protocol NSObject  - (BOOL)isEqual:(id)object; @end
@interface NSObject <NSObject> {}
+(id)alloc;
+(id)new;
-(id)init;
-(id)autorelease;
-(id)copy;
- (Class)class;
-(id)retain;
- (oneway void)release;
@end

@interface Cell : NSObject {
  int x;
}
- (id) init;
- (void)test;
@end

@implementation Cell
- (id) init {
  if ((self = [super init])) {
    return self;
  }
  // Test that this is being analyzed.
  int m;
  m = m + 1; //expected-warning {{The left operand of '+' is a garbage value}}
  return self;
}

// Make sure that we do not propagate the 'nil' check from inlined 'init' to 'test'.
- (void) test {
  Cell *newCell = [[Cell alloc] init];
  newCell->x = 5; // no-warning
  [newCell release];
}
@end