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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/cpp/_Pragma1.c | |
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Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/_Pragma1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/cpp/_Pragma1.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/_Pragma1.c b/gcc/testsuite/gcc.dg/cpp/_Pragma1.c new file mode 100644 index 000000000..0f211a985 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/_Pragma1.c @@ -0,0 +1,39 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. */ + +/* { dg-do preprocess } */ + +/* Tests the _Pragma operator. Contributed by Neil Booth 1 Nov 2000. */ + +/* Within the preprocessor, the easy pragma to test is "poison". */ + +#pragma GCC poison p1 +p1 /* { dg-error "poisoned" } */ + +/* Standard use of _Pragma. */ +_Pragma ("GCC poison p2") +p2 /* { dg-error "poisoned" } */ + +/* Don't interpret _Pragmas in directives. The standard is not clear + on this, but I think this makes most sense. */ +#if 1 _Pragma (L"GCC poison p3") /* { dg-error "missing binary operator" } */ +p3 +#endif + +#define M1 _Pragma ("GCC poison p4") +p4 /* No problem; not yet poisoned. */ +#define M2(x) _Pragma (#x) + +/* Now test macro expansion with embedded _Pragmas. */ +M1 p4 /* { dg-error "poisoned" } */ +M2 (GCC poison p5) p5 /* { dg-error "poisoned" } */ + +/* Not interpreting _Pragma in directives means they don't nest. */ +_Pragma ("_Pragma (\"GCC poison p6\") GCC poison p7") +p6 +p7 + +/* Check we ignore them in false conditionals. */ +#if 0 +_Pragma ("GCC poison p8") +#endif +p8 /* No problem. */ |