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| author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
|---|---|---|
| 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/macro_fn_comma_swallow.c | |
| parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
| parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) | |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/Preprocessor/macro_fn_comma_swallow.c')
| -rw-r--r-- | clang/test/Preprocessor/macro_fn_comma_swallow.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/Preprocessor/macro_fn_comma_swallow.c b/clang/test/Preprocessor/macro_fn_comma_swallow.c new file mode 100644 index 0000000..726a889 --- /dev/null +++ b/clang/test/Preprocessor/macro_fn_comma_swallow.c @@ -0,0 +1,28 @@ +// Test the GNU comma swallowing extension. +// RUN: %clang_cc1 %s -E | FileCheck -strict-whitespace %s + +// CHECK: 1: foo{A, } +#define X(Y) foo{A, Y} +1: X() + + +// CHECK: 2: fo2{A,} +#define X2(Y) fo2{A,##Y} +2: X2() + +// should eat the comma. +// CHECK: 3: {foo} +#define X3(b, ...) {b, ## __VA_ARGS__} +3: X3(foo) + + + +// PR3880 +// CHECK: 4: AA BB +#define X4(...) AA , ## __VA_ARGS__ BB +4: X4() + +// PR7943 +// CHECK: 5: 1 +#define X5(x,...) x##,##__VA_ARGS__ +5: X5(1) |