clang/test/Sema/pragma-attribute.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 #pragma clang attribute pop // expected-error {{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
   4
   5 // Don't verify unused attributes.
   6 #pragma clang attribute push (__attribute__((annotate)), apply_to = function) // expected-warning {{unused attribute 'annotate' in '#pragma clang attribute push' region}}
   7 #pragma clang attribute pop // expected-note {{'#pragma clang attribute push' regions ends here}}
   8
   9 // Ensure we only report any errors once.
  10 #pragma clang attribute push (__attribute__((annotate)), apply_to = function) // expected-error 4 {{'annotate' attribute takes at least 1 argument}}
  11
  12 void test5_begin(void); // expected-note {{when applied to this declaration}}
  13 void test5_1(void); // expected-note {{when applied to this declaration}}
  14
  15 #pragma clang attribute push (__attribute__((annotate())), apply_to = function) // expected-error 2 {{'annotate' attribute takes at least 1 argument}}
  16
  17 void test5_2(void); // expected-note 2 {{when applied to this declaration}}
  18
  19 #pragma clang attribute push (__attribute__((annotate("hello", "world"))), apply_to = function)
  20
  21 void test5_3(void); // expected-note 2 {{when applied to this declaration}}
  22
  23 #pragma clang attribute pop
  24 #pragma clang attribute pop
  25 #pragma clang attribute pop
  26
  27 // Verify that the warnings are reported for each receiver declaration
  28
  29 #pragma clang attribute push (__attribute__((optnone)), apply_to = function) // expected-note 2 {{conflicting attribute is here}}
  30
  31 __attribute__((always_inline)) void optnone1(void) { } // expected-warning {{'always_inline' attribute ignored}}
  32 // expected-note@-1 {{when applied to this declaration}}
  33
  34 void optnone2(void) { }
  35
  36 __attribute__((always_inline)) void optnone3(void) { } // expected-warning {{'always_inline' attribute ignored}}
  37 // expected-note@-1 {{when applied to this declaration}}
  38
  39 #pragma clang attribute pop
  40
  41 #pragma clang attribute push (__attribute__((annotate())), apply_to = function) // expected-error{{'annotate' attribute takes at least 1 argument}}
  42 #pragma clang attribute (__attribute__((annotate())), apply_to = function) // expected-error{{'annotate' attribute takes at least 1 argument}}
  43
  44 void fun(void); // expected-note 2 {{when applied to this declaration}}
  45
  46 #pragma clang attribute pop
  47 #pragma clang attribute pop // expected-error{{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
  48
  49
  50 #pragma clang attribute push
  51 #pragma clang attribute (__attribute__((annotate())), apply_to = function) // expected-error 2 {{'annotate' attribute takes at least 1 argument}}
  52
  53 void fun2(void); // expected-note {{when applied to this declaration}}
  54
  55 #pragma clang attribute push (__attribute__((annotate())), apply_to = function) // expected-error{{'annotate' attribute takes at least 1 argument}}
  56 void fun3(void); // expected-note 2 {{when applied to this declaration}}
  57 #pragma clang attribute pop
  58
  59 #pragma clang attribute pop
  60 #pragma clang attribute pop // expected-error{{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
  61
  62 #pragma clang attribute (__attribute__((annotate)), apply_to = function) // expected-error{{'#pragma clang attribute' attribute with no matching '#pragma clang attribute push}}
  63
  64 #pragma clang attribute push ([[]], apply_to = function) // A noop
  65
  66 #pragma clang attribute pop // expected-error {{'#pragma clang attribute pop' with no matching '#pragma clang attribute push'}}
  67
  68 #pragma clang attribute push (__attribute__((annotate("func"))), apply_to = function) // expected-error {{unterminated '#pragma clang attribute push' at end of file}}
  69
  70 void function(void);