File: foreach.mm

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 (79 lines) | stat: -rw-r--r-- 1,980 bytes parent folder | download | duplicates (8)
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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s

@class NSArray;

void f(NSArray *a) {
    id keys;
    for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} 
    for ((id)2 : a);  // expected-error {{for range declaration must declare a variable}}
    for (2 : a); // expected-error {{for range declaration must declare a variable}}
  
  for (id thisKey : keys);

  for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}}
}

void for_init_stmt() {
  for (id keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
}
template<typename T> void for_init_stmt_tmpl() {
  for (T keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
}
template void for_init_stmt_tmpl<id>(); // expected-note {{in instantiation of}}

template<typename Collection>
void ft(Collection col) {
  for (id x : col) { }
  for (auto x : col) { }
}

template void ft(NSArray *);

@protocol NSObject @end

@interface NSObject <NSObject> {
    Class isa;
}
@end

typedef struct {
    unsigned long state;
    id *itemsPtr;
    unsigned long *mutationsPtr;
    unsigned long extra[5];
} NSFastEnumerationState;

@protocol NSFastEnumeration

- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len;

@end

int main ()
{
 NSObject<NSFastEnumeration>* collection = 0;
 for (id thing : collection) { }

 id array;
 for (int (^b)(void) : array) {
    if (b() == 10000) {
        return 1;
    }
 }
 return 0;
}

@interface Test2
@property (assign) id prop;
@end
void test2(NSObject<NSFastEnumeration> *collection) {
  Test2 *obj;
  for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}}
  }
}

void testErrors(NSArray *array) {
  typedef int fn(int);

  for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}}
}