119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
// RUN: %clang_cc1 -pedantic -Wunused-label -verify -x c %s
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// RUN: cp %s %t
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// RUN: not %clang_cc1 -pedantic -Wunused-label -fixit -x c %t
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// RUN: grep -v CHECK %t > %t2
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// RUN: %clang_cc1 -pedantic -Wunused-label -Werror -x c %t
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// RUN: FileCheck -input-file=%t2 %t
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/* This is a test of the various code modification hints that are
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provided as part of warning or extension diagnostics. All of the
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warnings will be fixed by -fixit, and the resulting file should
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compile cleanly with -Werror -pedantic. */
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// FIXME: FIX-IT should add #include <string.h>?
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int strcmp(const char *s1, const char *s2);
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void f0(void) { }; // expected-warning {{';'}}
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struct s {
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int x, y;; // expected-warning {{extra ';'}}
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};
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// CHECK: _Complex double cd;
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_Complex cd; // expected-warning {{assuming '_Complex double'}}
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// CHECK: struct s s0 = { .y = 5 };
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struct s s0 = { y: 5 }; // expected-warning {{GNU old-style}}
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// CHECK: int array0[5] = { [3] = 3 };
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int array0[5] = { [3] 3 }; // expected-warning {{GNU 'missing ='}}
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// CHECK: int x
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// CHECK: int y
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void f1(x, y) // expected-warning 2{{defaulting to type 'int'}}
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{
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}
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int i0 = { 17 };
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#define ONE 1
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#define TWO 2
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int test_cond(int y, int fooBar) { // expected-note {{here}}
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// CHECK: int x = y ? 1 : 4+fooBar;
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int x = y ? 1 4+foobar; // expected-error {{expected ':'}} expected-error {{undeclared identifier}} expected-note {{to match}}
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// CHECK: x = y ? ONE : TWO;
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x = y ? ONE TWO; // expected-error {{':'}} expected-note {{to match}}
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return x;
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}
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// CHECK: const typedef int int_t;
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const typedef typedef int int_t; // expected-warning {{duplicate 'typedef'}}
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// <rdar://problem/7159693>
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enum Color {
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Red // expected-error{{missing ',' between enumerators}}
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Green = 17 // expected-error{{missing ',' between enumerators}}
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Blue,
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};
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// rdar://9295072
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struct test_struct {
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// CHECK: struct test_struct *struct_ptr;
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test_struct *struct_ptr; // expected-error {{must use 'struct' tag to refer to type 'test_struct'}}
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};
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void removeUnusedLabels(char c) {
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L0 /*removed comment*/: c++; // expected-warning {{unused label}}
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removeUnusedLabels(c);
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L1: // expected-warning {{unused label}}
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c++;
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/*preserved comment*/ L2 : c++; // expected-warning {{unused label}}
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LL // expected-warning {{unused label}}
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: c++;
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c = c + 3; L4: return; // expected-warning {{unused label}}
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}
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int oopsAComma = 0, // expected-error {{';'}}
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void oopsMoreCommas() {
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static int a[] = { 0, 1, 2 }, // expected-error {{';'}}
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static int b[] = { 3, 4, 5 }, // expected-error {{';'}}
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&a == &b ? oopsMoreCommas() : removeUnusedLabels(a[0]);
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}
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int commaAtEndOfStatement() {
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int a = 1;
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a = 5, // expected-error {{';'}}
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int m = 5, // expected-error {{';'}}
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return 0, // expected-error {{';'}}
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}
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int noSemiAfterLabel(int n) {
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switch (n) {
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default:
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return n % 4;
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case 0:
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case 1:
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case 2:
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// CHECK: /*FOO*/ case 3: ;
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/*FOO*/ case 3: // expected-error {{expected statement}}
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}
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switch (n) {
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case 1:
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case 2:
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return 0;
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// CHECK: /*BAR*/ default: ;
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/*BAR*/ default: // expected-error {{expected statement}}
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}
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return 1;
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}
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struct noSemiAfterStruct // expected-error {{expected ';' after struct}}
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struct noSemiAfterStruct {
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int n // expected-warning {{';'}}
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} // expected-error {{expected ';' after struct}}
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enum noSemiAfterEnum {
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e1
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} // expected-error {{expected ';' after enum}}
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int PR17175 __attribute__((visibility(hidden))); // expected-error {{'visibility' attribute requires a string}}
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