1/* Copyright (C) 2000 Free Software Foundation, Inc.  */
2
3/* { dg-do preprocess } */
4
5/* Tests the _Pragma operator.  Contributed by Neil Booth 1 Nov 2000.  */
6
7/* Within the preprocessor, the easy pragma to test is "poison".  */
8
9#pragma GCC poison p1
10p1				/* { dg-error "poisoned" } */
11
12/* Standard use of _Pragma.  */
13_Pragma ("GCC poison p2")
14p2				/* { dg-error "poisoned" } */
15
16/* Don't interpret _Pragmas in directives.  The standard is not clear
17   on this, but I think this makes most sense.  */
18#if 1 _Pragma (L"GCC poison p3") /* { dg-error "missing binary operator" } */
19p3
20#endif
21
22#define M1 _Pragma ("GCC poison p4")
23p4				/* No problem; not yet poisoned.  */
24#define M2(x) _Pragma (#x)
25
26/* Now test macro expansion with embedded _Pragmas.  */
27M1 p4				/* { dg-error "poisoned" } */
28M2 (GCC poison p5) p5		/* { dg-error "poisoned" } */
29
30/* Not interpreting _Pragma in directives means they don't nest.  */
31_Pragma ("_Pragma (\"GCC poison p6\") GCC poison p7")
32p6
33p7
34
35/* Check we ignore them in false conditionals.  */
36#if 0
37_Pragma ("GCC poison p8")
38#endif
39p8				/* No problem.  */
40