// RUN: %clang_cc1 -fsyntax-only -verify -triple x86_64-unknown-unknown %s
int complete_array_from_init[] = { 1, 2, [10] = 5, 1, 2, [5] = 2, 6 };
int complete_array_from_init_check[((sizeof(complete_array_from_init) / sizeof(int)) == 13)? 1 : -1];
int iarray[10] = {
[0] = 1,
[1 ... 5] = 2,
[ 6 ... 6 ] = 3,
[ 8 ... 7 ] = 4, // expected-error{{array designator range [8, 7] is empty}}
[10] = 5,
[-1] = 6 // expected-error{{array designator value '-1' is negative}}
};
int iarray2[10] = {
[10] = 1, // expected-error{{array designator index (10) exceeds array bounds (10)}}
};
int iarray3[10] = {
[3] 2, // expected-warning{{use of GNU 'missing =' extension in designator}}
[5 ... 12] = 2 // expected-error{{array designator index (12) exceeds array bounds (10)}}
};
struct point {
double x;
double y;
};
struct point p1 = {
.y = 1.0,
x: 2.0, // expected-warning{{}}
.a = 4.0, // expected-error{{field designator 'a' does not refer to any field in type 'struct point'}}
};
struct point p2 = {
[1] = 1.0 // expected-error{{array designator cannot initialize non-array type}}
};
struct point array[10] = {
[0].x = 1.0,
[1].y = 2.0,
[2].z = 3.0, // expected-error{{field designator 'z' does not refer to any field in type 'struct point'}}
};
struct point array2[10] = {
[10].x = 2.0, // expected-error{{array designator index (10) exceeds array bounds (10)}}
[4 ... 5].y = 2.0, // expected-note 2 {{previous initialization is here}}
[4 ... 6] = { .x = 3, .y = 4.0 } // expected-warning 2 {{initializer overrides prior initialization of this subobject}}
};
struct point array3[10] = {
.x = 5 // expected-error{{field designator cannot initialize a non-struct, non-union type}}
};
struct rect {
struct point top_left;
struct point bottom_right;
};
struct rect window = { .top_left.x = 1.0 };
struct rect windows[] = {
[2].top_left = { 1.0, 2.0 },
[4].bottom_right = { .y = 1.0 },
{ { .y = 7.0, .x = 8.0 }, { .x = 5.0 } },
[3] = { .top_left = { 1.1, 2.2 }, .bottom_right = { .y = 1.1 } }
};
int windows_size[((sizeof(windows) / sizeof(struct rect)) == 6)? 1 : -1];
struct rect windows_bad[3] = {
[2].top_left = { { .x = 1.1 } }, // expected-error{{initialization of non-aggregate type 'double' with a designated initializer list}}
[1].top_left = { .x = 1.1 }
};
struct gui {
struct rect windows[10];
};
struct gui gui[] = {
[5].windows[3].top_left.x = { 7.0 } // expected-warning{{braces around scalar initializer}}
};
struct translator {
struct wonky { int * ptr; } wonky ;
struct rect window;
struct point offset;
} tran = {
.window = { .top_left = { 1.0, 2.0 } },
{ .x = 5.0, .y = 6.0 },
.wonky = { 0 }
};
int anint;
struct {int x,*y;} z[] = {[0].x = 2, &z[0].x};
struct outer { struct inner { int x, *y; } in, *inp; } zz[] = {
[0].in.x = 2, &zz[0].in.x, &zz[0].in,
0, &anint, &zz[1].in,
[3].in = { .y = &anint, .x = 17 },
[7].in.y = &anint, &zz[0].in,
[4].in.y = &anint, [5].in.x = 12
};
int zz_sizecheck[sizeof(zz) / sizeof(struct outer) == 8? 1 : -1 ];
struct disklabel_ops {
struct {} type;
int labelsize;
};
struct disklabel_ops disklabel64_ops = {
.labelsize = sizeof(struct disklabel_ops)
};
// PR clang/3378
int bitwidth[] = { [(long long int)1] = 5, [(short int)2] = 2 };
int a[]= { [sizeof(int)] = 0 };
int a2[]= { [0 ... sizeof(int)] = 0 };
// Test warnings about initializers overriding previous initializers
struct X {
int a, b, c;
};
int counter = 0;
int get8(void) { ++counter; return 8; }
void test(void) {
struct X xs[] = {
[0] = (struct X){1, 2}, // expected-note 2 {{previous initialization is here}}
[0].c = 3, // expected-warning{{initializer partially overrides prior initialization of this subobject}}
(struct X) {4, 5, 6}, // expected-note{{previous initialization is here}}
[1].b = get8(), // expected-warning{{initializer partially overrides prior initialization of this subobject}}
[0].b = 8 // expected-warning{{initializer partially overrides prior initialization of this subobject}}
};
}
union { char c; long l; } u1 = { .l = 0xFFFF };
extern float global_float;
struct XX { int a, *b; };
struct XY { int before; struct XX xx, *xp; float* after; } xy[] = {
0, 0, &xy[0].xx.a, &xy[0].xx, &global_float,
[1].xx = 0, &xy[1].xx.a, &xy[1].xx, &global_float,
0, // expected-note{{previous initialization is here}}
0, // expected-note{{previous initialization is here}}
[2].before = 0, // expected-warning{{initializer overrides prior initialization of this subobject}}
0, // expected-warning{{initializer overrides prior initialization of this subobject}}
&xy[2].xx.a, &xy[2].xx, &global_float
};
// PR3519
struct foo {
int arr[10];
};
struct foo Y[10] = {
[1] .arr [1] = 2,
[4] .arr [2] = 4
};
struct bar {
struct foo f;
float *arr[10];
};
extern float f;
struct bar saloon = {
.f.arr[3] = 1,
.arr = { &f }
};
typedef unsigned char u_char;
typedef unsigned short u_short;
union wibble {
u_char arr1[6];
u_short arr2[3];
};
const union wibble wobble = { .arr2[0] = 0xffff,
.arr2[1] = 0xffff,
.arr2[2] = 0xffff };
const union wibble wobble2 = { .arr2 = {4, 5, 6}, 7 }; // expected-warning{{excess elements in union initializer}}
// PR3778
struct s {
union { int i; };
};
struct s si = {
{ .i = 1 }
};
double d0;
char c0;
float f0;
int i0;
struct Enigma {
union {
struct {
struct {
double *double_ptr;
char *string;
};
float *float_ptr;
};
int *int_ptr;
};
char *string2;
};
struct Enigma enigma = {
.double_ptr = &d0, &c0,
&f0, // expected-note{{previous}}
&c0,
.float_ptr = &f0 // expected-warning{{overrides}}
};
/// PR16644
typedef union {
struct {
int zero;
int one;
int two;
int three;
} a;
int b[4];
} union_16644_t;
union_16644_t union_16644_instance_0 =
{
.b[0] = 0, // expected-note{{previous}}
.a.one = 1, // expected-warning{{overrides}} expected-note{{previous}}
.b[2] = 2, // expected-warning{{overrides}} expected-note{{previous}}
.a.three = 3, // expected-warning{{overrides}}
};
union_16644_t union_16644_instance_1 =
{
.a.three = 13, // expected-note{{previous}}
.b[2] = 12, // expected-warning{{overrides}} expected-note{{previous}}
.a.one = 11, // expected-warning{{overrides}} expected-note{{previous}}
.b[0] = 10, // expected-warning{{overrides}}
};
union_16644_t union_16644_instance_2 =
{
.a.one = 21, // expected-note{{previous}}
.b[1] = 20, // expected-warning{{overrides}}
};
union_16644_t union_16644_instance_3 =
{
.b[1] = 30, // expected-note{{previous}}
.a = { // expected-warning{{overrides}}
.one = 31
}
};
union_16644_t union_16644_instance_4[2] =
{
[0].a.one = 2,
[1].a.zero = 3,// expected-note{{previous}}
[0].a.zero = 5,
[1].b[1] = 4 // expected-warning{{overrides}}
};
/// PR4073
/// Should use evaluate to fold aggressively and emit a warning if not an ice.
extern int crazy_x;
int crazy_Y[] = {
[ 0 ? crazy_x : 4] = 1
};
// PR5843
struct expr {
int nargs;
union {
unsigned long int num;
struct expr *args[3];
} val;
};
struct expr expr0 = {
.nargs = 2,
.val = {
.args = {
[0] = (struct expr *)0,
[1] = (struct expr *)0
}
}
};
// PR6955
struct ds {
struct {
struct {
unsigned int a;
};
unsigned int b;
struct {
unsigned int c;
};
};
};
// C1X lookup-based anonymous member init cases
struct ds ds0 = {
{ {
.a = 1 // expected-note{{previous initialization is here}}
} },
.a = 2, // expected-warning{{initializer overrides prior initialization of this subobject}}
.b = 3
};
struct ds ds1 = { .c = 0 };
struct ds ds2 = { { {
.a = 0,
.b = 1 // expected-error{{field designator 'b' does not refer to any field}}
} } };
// Check initializer override warnings overriding a character in a string
struct overwrite_string_struct {
char L[6];
int M;
} overwrite_string[] = {
{ { "foo" }, 1 }, // expected-note{{previous initialization is here}}
[0].L[2] = 'x' // expected-warning{{initializer partially overrides prior initialization of this subobject}}
};
struct overwrite_string_struct2 {
char L[6];
int M;
} overwrite_string2[] = {
{ { "foo" }, 1 }, // expected-note{{previous initialization is here}}
[0].L[4] = 'x' // expected-warning{{initializer partially overrides prior initialization of this subobject}}
};
struct overwrite_string_struct
overwrite_string3[] = {
"foo", 1, // expected-note{{previous initialization is here}}
[0].L[4] = 'x' // expected-warning{{initializer partially overrides prior initialization of this subobject}}
};
struct overwrite_string_struct
overwrite_string4[] = {
{ { 'f', 'o', 'o' }, 1 },
[0].L[4] = 'x' // no-warning
};
struct {
struct { } s1;
union {
int a;
int b;
} u1;
} s = {
.s1 = {
.x = 0, // expected-error{{field designator}}
},
.u1 = {
.a = 0, // expected-note {{previous initialization is here}}
.b = 0, // expected-warning {{initializer overrides prior initialization of this subobject}}
},
};
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