diff options
| author | Douglas Gregor <dgregor@apple.com> | 2012-09-25 15:44:52 +0000 |
|---|---|---|
| committer | Douglas Gregor <dgregor@apple.com> | 2012-09-25 15:44:52 +0000 |
| commit | b09de5177ee8101818a59dcd0038c75b190a2509 (patch) | |
| tree | 5076842d1c2373dc9e4717bebb3b7a879da4b9d9 /test/Modules/macros.c | |
| parent | 9158a5624154bc43bbbf059c07a2f7b2cd45c1a1 (diff) | |
Introduce builtin macros to determine whether we're building a
specific module (__building_module(modulename)) and to get the name of
the current module as an identifier (__MODULE__).
Used to help headers behave differently when they're being included as
part of building a module. Oh, the irony.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@164605 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Modules/macros.c')
| -rw-r--r-- | test/Modules/macros.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Modules/macros.c b/test/Modules/macros.c index 83e1c66a10..d93ce35a03 100644 --- a/test/Modules/macros.c +++ b/test/Modules/macros.c @@ -27,4 +27,13 @@ DOUBLE *dp = &d; void f() { // CHECK-PREPROCESSED: int i = INTEGER; int i = INTEGER; // the value was exported, the macro was not. + i += macros; // expanded from __MODULE__ within the 'macros' module. } + +#ifdef __MODULE__ +# error Not building a module! +#endif + +#if __building_module(macros) +# error Not building a module +#endif |