File: ivar-ref-misuse.m

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (41 lines) | stat: -rw-r--r-- 1,110 bytes parent folder | download | duplicates (37)
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_cc1 -fsyntax-only -verify -Wno-objc-root-class %s

@interface Sprite {
  int sprite, spree;
  int UseGlobalBar;
}
+ (void)setFoo:(int)foo;
+ (void)setSprite:(int)sprite;
- (void)setFoo:(int)foo;
- (void)setSprite:(int)sprite;
@end

int spree = 23;
int UseGlobalBar;

@implementation Sprite
+ (void)setFoo:(int)foo {
  sprite = foo;   // expected-error {{instance variable 'sprite' accessed in class method}}
  spree = foo;
  Xsprite = foo; // expected-error {{use of undeclared identifier 'Xsprite'}}
  UseGlobalBar = 10;
}
+ (void)setSprite:(int)sprite {
  int spree;
  sprite = 15;
  spree = 17;
  ((Sprite *)self)->sprite = 16;   /* NB: This is how one _should_ access */
  ((Sprite *)self)->spree = 18;    /* ivars from within class methods!    */
}
- (void)setFoo:(int)foo {
  sprite = foo;
  spree = foo;
}
- (void)setSprite:(int)sprite {
  int spree;
  sprite = 15;  // expected-warning {{local declaration of 'sprite' hides instance variable}}
  self->sprite = 16;
  spree = 17;  // expected-warning {{local declaration of 'spree' hides instance variable}}
  self->spree = 18;
}   
@end