File: idiomatic-parentheses.m

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (53 lines) | stat: -rw-r--r-- 1,175 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
42
43
44
45
46
47
48
49
50
51
52
53
// RUN: %clang_cc1 -fsyntax-only -verify -Wparentheses -Wno-objc-root-class %s

// Don't warn about some common ObjC idioms unless we have -Widiomatic-parentheses on.
// <rdar://problem/7382435>

@interface Object 
{
  unsigned uid;
}
- (id) init;
- (id) initWithInt: (int) i;
- (id) myInit __attribute__((objc_method_family(init)));
- (void) iterate: (id) coll;
- (id) nextObject;
@property unsigned uid;
@end

@implementation Object
@synthesize uid;
- (id) init {
  if (self = [self init]) {
  }
  return self;
}

- (id) initWithInt: (int) i {
  if (self = [self initWithInt: i]) {
  }
  // rdar://11066598
  if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \
                        // expected-note {{place parentheses around the assignment to silence this warning}} \
                        // expected-note {{use '==' to turn this assignment into an equality comparison}}
        // ...
  }
  return self;
}

- (id) myInit {
  if (self = [self myInit]) {
  }
  return self;
}

- (void) iterate: (id) coll {
  id cur;
  while (cur = [coll nextObject]) {
  }
}

- (id) nextObject {
  return self;
}
@end