blob: 0aee074c55c774e7659b406ae44686d2d4fc1a8a (
plain)
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
48
49
50
51
52
53
54
55
56
57
58
|
/* Test pragma pop_macro and push_macro directives from
http://msdn.microsoft.com/en-us/library/hsttss76.aspx */
// pop_macro: Sets the value of the macro_name macro to the value on the top of
// the stack for this macro.
// #pragma pop_macro("macro_name")
// push_macro: Saves the value of the macro_name macro on the top of the stack
// for this macro.
// #pragma push_macro("macro_name")
//
// RUN: %clang_cc1 -fms-extensions -E %s -o - | FileCheck %s
#define X 1
#define Y 2
int pmx0 = X;
int pmy0 = Y;
#define Y 3
#pragma push_macro("Y")
#pragma push_macro("X")
int pmx1 = X;
#define X 2
int pmx2 = X;
#pragma pop_macro("X")
int pmx3 = X;
#pragma pop_macro("Y")
int pmy1 = Y;
// Have a stray 'push' to show we don't crash when having imbalanced
// push/pop
#pragma push_macro("Y")
#define Y 4
int pmy2 = Y;
// The sequence push, define/undef, pop caused problems if macro was not
// previously defined.
#pragma push_macro("PREVIOUSLY_UNDEFINED1")
#undef PREVIOUSLY_UNDEFINED1
#pragma pop_macro("PREVIOUSLY_UNDEFINED1")
#ifndef PREVIOUSLY_UNDEFINED1
int Q;
#endif
#pragma push_macro("PREVIOUSLY_UNDEFINED2")
#define PREVIOUSLY_UNDEFINED2
#pragma pop_macro("PREVIOUSLY_UNDEFINED2")
#ifndef PREVIOUSLY_UNDEFINED2
int P;
#endif
// CHECK: int pmx0 = 1
// CHECK: int pmy0 = 2
// CHECK: int pmx1 = 1
// CHECK: int pmx2 = 2
// CHECK: int pmx3 = 1
// CHECK: int pmy1 = 3
// CHECK: int pmy2 = 4
// CHECK: int Q;
// CHECK: int P;
|
