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// RUN: %clang_cc1 -pedantic -Wunused-label -verify -x c %s
// RUN: cp %s %t
// RUN: not %clang_cc1 -pedantic -Wunused-label -fixit -x c %t
// RUN: grep -v CHECK %t > %t2
// RUN: %clang_cc1 -pedantic -Wunused-label -Werror -x c %t
// RUN: FileCheck -input-file=%t2 %t
/* This is a test of the various code modification hints that are
provided as part of warning or extension diagnostics. All of the
warnings will be fixed by -fixit, and the resulting file should
compile cleanly with -Werror -pedantic. */
// FIXME: FIX-IT should add #include <string.h>?
int strcmp(const char *s1, const char *s2);
void f0(void) { }; // expected-warning {{';'}}
struct s {
int x, y;; // expected-warning {{extra ';'}}
};
// CHECK: _Complex double cd;
_Complex cd; // expected-warning {{assuming '_Complex double'}}
// CHECK: struct s s0 = { .y = 5 };
struct s s0 = { y: 5 }; // expected-warning {{GNU old-style}}
// CHECK: int array0[5] = { [3] = 3 };
int array0[5] = { [3] 3 }; // expected-warning {{GNU 'missing ='}}
// CHECK: int x
// CHECK: int y
void f1(x, y) // expected-warning 2{{defaulting to type 'int'}}
{
}
int i0 = { 17 };
#define ONE 1
#define TWO 2
int test_cond(int y, int fooBar) { // expected-note {{here}}
// CHECK: int x = y ? 1 : 4+fooBar;
int x = y ? 1 4+foobar; // expected-error {{expected ':'}} expected-error {{undeclared identifier}} expected-note {{to match}}
// CHECK: x = y ? ONE : TWO;
x = y ? ONE TWO; // expected-error {{':'}} expected-note {{to match}}
return x;
}
// CHECK: const typedef int int_t;
const typedef typedef int int_t; // expected-warning {{duplicate 'typedef'}}
// <rdar://problem/7159693>
enum Color {
Red // expected-error{{missing ',' between enumerators}}
Green = 17 // expected-error{{missing ',' between enumerators}}
Blue,
};
// rdar://9295072
struct test_struct {
// CHECK: struct test_struct *struct_ptr;
test_struct *struct_ptr; // expected-error {{must use 'struct' tag to refer to type 'test_struct'}}
};
void removeUnusedLabels(char c) {
L0 /*removed comment*/: c++; // expected-warning {{unused label}}
removeUnusedLabels(c);
L1: // expected-warning {{unused label}}
c++;
/*preserved comment*/ L2 : c++; // expected-warning {{unused label}}
LL // expected-warning {{unused label}}
: c++;
c = c + 3; L4: return; // expected-warning {{unused label}}
}
int oopsAComma = 0, // expected-error {{';'}}
void oopsMoreCommas() {
static int a[] = { 0, 1, 2 }, // expected-error {{';'}}
static int b[] = { 3, 4, 5 }, // expected-error {{';'}}
&a == &b ? oopsMoreCommas() : removeUnusedLabels(a[0]);
}
int noSemiAfterLabel(int n) {
switch (n) {
default:
return n % 4;
case 0:
case 1:
case 2:
// CHECK: /*FOO*/ case 3: ;
/*FOO*/ case 3: // expected-error {{expected statement}}
}
switch (n) {
case 1:
case 2:
return 0;
// CHECK: /*BAR*/ default: ;
/*BAR*/ default: // expected-error {{expected statement}}
}
return 1;
}
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