Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /external/bsd/llvm/dist/clang/test/Preprocessor/_Pragma-location.c 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
// RUN: %clang_cc1 %s -fms-extensions -E | FileCheck %s
// We use -fms-extensions to test both _Pragma and __pragma.

// A long time ago the pragma lexer's buffer showed through in -E output.
// CHECK-NOT: scratch space

#define push_p _Pragma ("pack(push)")
push_p
// CHECK: #pragma pack(push)

push_p _Pragma("pack(push)") __pragma(pack(push))
// CHECK: #pragma pack(push)
// CHECK-NEXT: # 11 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma pack(push)
// CHECK-NEXT: # 11 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma pack(push)


#define __PRAGMA_PUSH_NO_EXTRA_ARG_WARNINGS _Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wformat-extra-args\"")
#define __PRAGMA_POP_NO_EXTRA_ARG_WARNINGS _Pragma("clang diagnostic pop")

void test () {
  1;_Pragma("clang diagnostic push") \
  _Pragma("clang diagnostic ignored \"-Wformat-extra-args\"")
  _Pragma("clang diagnostic pop")

  2;__PRAGMA_PUSH_NO_EXTRA_ARG_WARNINGS
  3;__PRAGMA_POP_NO_EXTRA_ARG_WARNINGS
}

// CHECK: void test () {
// CHECK-NEXT:   1;
// CHECK-NEXT: # 24 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma clang diagnostic push
// CHECK-NEXT: #pragma clang diagnostic ignored "-Wformat-extra-args"
// CHECK-NEXT: #pragma clang diagnostic pop

// CHECK:   2;
// CHECK-NEXT: # 28 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma clang diagnostic push
// CHECK-NEXT: # 28 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma clang diagnostic ignored "-Wformat-extra-args"
// CHECK-NEXT:   3;
// CHECK-NEXT: # 29 "{{.*}}_Pragma-location.c"
// CHECK-NEXT: #pragma clang diagnostic pop
// CHECK-NEXT: }