designated-initializers.c revision 53d3d8e0662197f7245d8f5ff697a72a2b4b3f54 
1// RUN: clang -fsyntax-only -verify %s
2
3int complete_array_from_init[] = { 1, 2, [10] = 5, 1, 2, [5] = 2, 6 };
4
5int complete_array_from_init_check[((sizeof(complete_array_from_init) / sizeof(int)) == 13)? 1 : -1];
6
7int iarray[10] = {
8  [0] = 1,
9  [1 ... 5] = 2,
10  [ 6 ... 6 ] = 3,
11  [ 8 ... 7 ] = 4, // expected-error{{array designator range [8, 7] is empty}}
12  [10] = 5,
13  [-1] = 6 // expected-error{{array designator value '-1' is negative}}
14};
15
16int iarray2[10] = {
17  [10] = 1, // expected-error{{array designator index (10) exceeds array bounds (10)}}
18};
19
20int iarray3[10] = {
21  [5 ... 12] = 2 // expected-error{{array designator index (12) exceeds array bounds (10)}}
22};
23
24struct point {
25  double x;
26  double y;
27};
28
29struct point p1 = {
30  .y = 1.0,
31  x: 2.0,
32  .a = 4.0, // expected-error{{field designator 'a' does not refer to any field in type 'struct point'}}
33};
34
35struct point p2 = {
36  [1] = 1.0 // expected-error{{array designator cannot initialize non-array type}}
37};
38
39struct point array[10] = {
40  [0].x = 1.0,
41  [1].y = 2.0,
42  [2].z = 3.0, // expected-error{{field designator 'z' does not refer to any field in type 'struct point'}}
43};
44
45struct point array2[10] = {
46  [10].x = 2.0, // expected-error{{array designator index (10) exceeds array bounds (10)}}
47  [4 ... 5].y = 2.0,
48  [4 ... 6] = { .x = 3, .y = 4.0 }
49};
50
51struct point array3[10] = {
52  .x = 5 // expected-error{{field designator cannot initialize a non-struct, non-union type}}
53};
54
55struct rect {
56  struct point top_left;
57  struct point bottom_right;
58};
59
60struct rect window = { .top_left.x = 1.0 };
61
62struct rect windows[] = {
63  [2].top_left = { 1.0, 2.0 },
64  [4].bottom_right = { .y = 1.0 },
65  { { .y = 7.0, .x = 8.0 }, { .x = 5.0 } },
66  [3] = { .top_left = { 1.1, 2.2 }, .bottom_right = { .y = 1.1 } }
67};
68
69int windows_size[((sizeof(windows) / sizeof(struct rect)) == 6)? 1 : -1];
70
71struct rect windows_bad[3] = {
72  [2].top_left = { { .x = 1.1 } }, // expected-error{{designator in initializer for scalar type}}
73  [1].top_left = { .x = 1.1 }
74};
75
76struct gui {
77  struct rect windows[10];
78};
79
80struct gui gui[] = {
81  [5].windows[3].top_left.x = { 7.0 } // expected-warning{{braces around scalar initializer}}
82};
83
84struct translator {
85  struct wonky { int * ptr; } wonky ;
86  struct rect window;
87  struct point offset;
88} tran = {
89  .window = { .top_left = { 1.0, 2.0 } },
90  { .x = 5.0, .y = 6.0 },
91  .wonky = { 0 }
92};
93
94int anint;
95struct {int x,*y;} z[] = {[0].x = 2, &z[0].x};
96
97struct outer { struct inner { int x, *y; } in, *inp; } zz[] = {
98  [0].in.x = 2, &zz[0].in.x, &zz[0].in,
99  0, &anint, &zz[1].in,
100  [3].in = { .y = &anint, .x = 17 },
101  [7].in.y = &anint, &zz[0].in,
102  [4].in.y = &anint, [5].in.x = 12
103};
104
105int zz_sizecheck[sizeof(zz) / sizeof(struct outer) == 8? 1 : -1 ];
106
107struct disklabel_ops {
108  struct {} type;
109  int labelsize;
110};
111
112struct disklabel_ops disklabel64_ops = {
113  .labelsize = sizeof(struct disklabel_ops)
114};
115
116// PR clang/3378
117int bitwidth[] = { [(long long int)1] = 5, [(short int)2] = 2 };
118int a[]= { [sizeof(int)] = 0 };
119int a2[]= { [0 ... sizeof(int)] = 0 };
120