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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/Preprocessor/_Pragma-in-macro-arg.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Preprocessor/_Pragma-in-macro-arg.c')
-rw-r--r-- | clang/test/Preprocessor/_Pragma-in-macro-arg.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/_Pragma-in-macro-arg.c b/clang/test/Preprocessor/_Pragma-in-macro-arg.c new file mode 100644 index 0000000..2877bcb --- /dev/null +++ b/clang/test/Preprocessor/_Pragma-in-macro-arg.c @@ -0,0 +1,35 @@ +// RUN: %clang_cc1 %s -verify -Wconversion + +// Don't crash (rdar://11168596) +#define A(desc) _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wparentheses\"") _Pragma("clang diagnostic pop") +#define B(desc) A(desc) +B(_Pragma("clang diagnostic ignored \"-Wparentheses\"")) + + +#define EMPTY(x) +#define INACTIVE(x) EMPTY(x) + +#define ID(x) x +#define ACTIVE(x) ID(x) + +// This should be ignored.. +INACTIVE(_Pragma("clang diagnostic ignored \"-Wconversion\"")) + +#define IGNORE_CONV _Pragma("clang diagnostic ignored \"-Wconversion\"") _Pragma("clang diagnostic ignored \"-Wconversion\"") + +// ..as should this. +INACTIVE(IGNORE_CONV) + +#define IGNORE_POPPUSH(Pop, Push, W, D) Push W D Pop +IGNORE_POPPUSH(_Pragma("clang diagnostic pop"), _Pragma("clang diagnostic push"), + _Pragma("clang diagnostic ignored \"-Wconversion\""), int q = (double)1.0); + +int x1 = (double)1.0; // expected-warning {{implicit conversion}} + +ACTIVE(_Pragma) ("clang diagnostic ignored \"-Wconversion\"")) // expected-error {{_Pragma takes a parenthesized string literal}} \ + expected-error {{expected identifier or '('}} expected-error {{expected ')'}} expected-note {{to match this '('}} + +// This should disable the warning. +ACTIVE(IGNORE_CONV) + +int x2 = (double)1.0; |