File: method-typecheck-3.m

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (22 lines) | stat: -rw-r--r-- 730 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// RUN: %clang_cc1 -Wmethod-signatures -fsyntax-only -verify %s

@class B;
@interface A
- (B*)obj;
- (B*)a; // expected-note {{previous definition is here}}
- (void)takesA: (A*)a; // expected-note {{previous definition is here}}
- (void)takesId: (id)a; // expected-note {{previous definition is here}}
@end


@interface B : A
@end

@implementation B
- (id)obj {return self;} // 'id' overrides are permitted?
- (A*)a { return self;}  // expected-warning {{conflicting return type in implementation of 'a'}}
- (void)takesA: (B*)a  // expected-warning {{conflicting parameter types in implementation of 'takesA:'}}
{}
- (void)takesId: (B*)a // expected-warning {{conflicting parameter types in implementation of 'takesId:'}}
{}
@end