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author | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
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committer | ed <ed@FreeBSD.org> | 2009-06-02 17:58:47 +0000 |
commit | f27e5a09a0d815b8a4814152954ff87dadfdefc0 (patch) | |
tree | ce7d964cbb5e39695b71481698f10cb099c23d4a /test/Sema/overloadable.c | |
download | FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.zip FreeBSD-src-f27e5a09a0d815b8a4814152954ff87dadfdefc0.tar.gz |
Import Clang, at r72732.
Diffstat (limited to 'test/Sema/overloadable.c')
-rw-r--r-- | test/Sema/overloadable.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/Sema/overloadable.c b/test/Sema/overloadable.c new file mode 100644 index 0000000..0d5db3a --- /dev/null +++ b/test/Sema/overloadable.c @@ -0,0 +1,53 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +int var __attribute__((overloadable)); // expected-error{{'overloadable' attribute can only be applied to a function}} + +int *f(int) __attribute__((overloadable)); // expected-note 2{{previous overload of function is here}} +float *f(float); // expected-error{{overloaded function 'f' must have the 'overloadable' attribute}} +int *f(int); // expected-error{{redeclaration of 'f' must have the 'overloadable' attribute}} \ + // expected-note{{previous declaration is here}} +double *f(double) __attribute__((overloadable)); // okay, new + +void test_f(int iv, float fv, double dv) { + int *ip = f(iv); + float *fp = f(fv); + double *dp = f(dv); +} + +int *accept_funcptr(int (*)()) __attribute__((overloadable)); // \ + // expected-note{{candidate function}} +float *accept_funcptr(int (*)(int, double)) __attribute__((overloadable)); // \ + // expected-note{{candidate function}} + +void test_funcptr(int (*f1)(int, double), + int (*f2)(int, float)) { + float *fp = accept_funcptr(f1); + accept_funcptr(f2); // expected-error{{no matching function for call to 'accept_funcptr'; candidates are:}} +} + +struct X { int x; float y; }; +struct Y { int x; float y; }; +int* accept_struct(struct X x) __attribute__((__overloadable__)); +float* accept_struct(struct Y y) __attribute__((overloadable)); + +void test_struct(struct X x, struct Y y) { + int *ip = accept_struct(x); + float *fp = accept_struct(y); +} + +double *f(int) __attribute__((overloadable)); // expected-error{{conflicting types for 'f'}} + +double promote(float) __attribute__((__overloadable__)); +double promote(double) __attribute__((__overloadable__)); +long double promote(long double) __attribute__((__overloadable__)); + +void promote() __attribute__((__overloadable__)); // expected-error{{'overloadable' function 'promote' must have a prototype}} +void promote(...) __attribute__((__overloadable__, __unavailable__)); // \ + // expected-note{{candidate function}} + +void test_promote(short* sp) { + promote(1.0); + promote(sp); // expected-error{{call to unavailable function 'promote'}} +} + + |