153 changes: 153 additions & 0 deletions clang/test/Parser/brackets.cpp
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// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: cp %s %t
// RUN: not %clang_cc1 -fixit %t -x c++ -DFIXIT
// RUN: %clang_cc1 -fsyntax-only %t -x c++ -DFIXIT
// RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits %s 2>&1 | FileCheck %s -strict-whitespace

void test1() {
int a[] = {0,1,1,2,3};
int []b = {0,1,4,9,16};
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int []b = {0,1,4,9,16};
// CHECK: {{^}} ~~ ^
// CHECK: {{^}} []
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:9}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:10-[[@LINE-6]]:10}:"[]"

int c = a[0];
int d = b[0]; // No undeclared identifer error here.

int *e = a;
int *f = b; // No undeclared identifer error here.

int[1] g[2];
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int[1] g[2];
// CHECK: {{^}} ~~~ ^
// CHECK: {{^}} [1]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:6-[[@LINE-5]]:9}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:14-[[@LINE-6]]:14}:"[1]"
}

void test2() {
int [3] (*a) = 0;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int [3] (*a) = 0;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} [3]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:15-[[@LINE-6]]:15}:"[3]"

#ifndef FIXIT
// Make sure a is corrected to be like type y, instead of like type z.
int (*b)[3] = a;
int (*c[3]) = a; // expected-error{{}}
#endif
}

struct A {
static int [1][1]x;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} static int [1][1]x;
// CHECK: {{^}} ~~~~~~ ^
// CHECK: {{^}} [1][1]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:14-[[@LINE-5]]:20}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:21-[[@LINE-6]]:21}:"[1][1]"
};

int [1][1]A::x = { {42} };
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}}int [1][1]A::x = { {42} };
// CHECK: {{^}} ~~~~~~ ^
// CHECK: {{^}} [1][1]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:5-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:15-[[@LINE-6]]:15}:"[1][1]"

struct B { static int (*x)[5]; };
int [5] *B::x = 0;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}}int [5] *B::x = 0;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} ( )[5]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:5-[[@LINE-5]]:9}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:9-[[@LINE-6]]:9}:"("
// CHECK: fix-it:{{.*}}:{[[@LINE-7]]:14-[[@LINE-7]]:14}:")[5]"

void test3() {
int [3] *a;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int [3] *a;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} ( )[3]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:11-[[@LINE-6]]:11}:"("
// CHECK: fix-it:{{.*}}:{[[@LINE-7]]:13-[[@LINE-7]]:13}:")[3]"

int (*b)[3] = a; // no error
}

void test4() {
int [2] a;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int [2] a;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} [2]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:12-[[@LINE-6]]:12}:"[2]"

int [2] &b = a;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int [2] &b = a;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} ( )[2]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:11-[[@LINE-6]]:11}:"("
// CHECK: fix-it:{{.*}}:{[[@LINE-7]]:13-[[@LINE-7]]:13}:")[2]"

}

namespace test5 {
#ifndef FIXIT
int [][][];
// expected-error@-1{{expected unqualified-id}}
// CHECK: {{^}}int [][][];
// CHECK: {{^}} ^

struct C {
int [];
// expected-error@-1{{expected member name or ';' after declaration specifiers}}
// CHECK: {{^}} int [];
// CHECK: {{^}} ~~~ ^
};

#endif
}

namespace test6 {
struct A {
static int arr[3];
};
int [3] ::test6::A::arr = {1,2,3};
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}}int [3] ::test6::A::arr = {1,2,3};
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} [3]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:5-[[@LINE-5]]:9}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:24-[[@LINE-6]]:24}:"[3]"

}

namespace test7 {
class A{};
void test() {
int [3] A::*a;
// expected-error@-1{{brackets go after the unqualified-id}}
// CHECK: {{^}} int [3] A::*a;
// CHECK: {{^}} ~~~~ ^
// CHECK: {{^}} ( )[3]
// CHECK: fix-it:{{.*}}:{[[@LINE-5]]:7-[[@LINE-5]]:11}:""
// CHECK: fix-it:{{.*}}:{[[@LINE-6]]:11-[[@LINE-6]]:11}:"("
// CHECK: fix-it:{{.*}}:{[[@LINE-7]]:16-[[@LINE-7]]:16}:")[3]"
}
}
// CHECK: 14 errors generated.