diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/include/clang/Basic/Attr.td | 3 | ||||
| -rw-r--r-- | clang/include/clang/Basic/AttrDocs.td | 12 | ||||
| -rw-r--r-- | clang/test/Misc/pragma-attribute-supported-attributes-list.test | 1 |
3 files changed, 15 insertions, 1 deletions
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td index c3567709ee0..17d2be28611 100644 --- a/clang/include/clang/Basic/Attr.td +++ b/clang/include/clang/Basic/Attr.td @@ -1437,7 +1437,8 @@ def NotTailCalled : InheritableAttr { def NoThrow : InheritableAttr { let Spellings = [GCC<"nothrow">, Declspec<"nothrow">]; - let Documentation = [Undocumented]; + let Subjects = SubjectList<[Function]>; + let Documentation = [NoThrowDocs]; } def NvWeak : IgnoredAttr { diff --git a/clang/include/clang/Basic/AttrDocs.td b/clang/include/clang/Basic/AttrDocs.td index 0500c283861..e51c65073fe 100644 --- a/clang/include/clang/Basic/AttrDocs.td +++ b/clang/include/clang/Basic/AttrDocs.td @@ -2727,6 +2727,18 @@ Marking virtual functions as ``not_tail_called`` is an error: }]; } +def NoThrowDocs : Documentation { + let Category = DocCatFunction; + let Content = [{ +Clang supports the GNU style ``__attribute__((nothrow))`` and Microsoft style +``__declspec(nothrow)`` attribute as an equivilent of `noexcept` on function +declarations. This attribute informs the compiler that the annotated function +does not throw an exception. This prevents exception-unwinding. This attribute +is particularly useful on functions in the C Standard Library that are +guaranteed to not throw an exception. + }]; +} + def InternalLinkageDocs : Documentation { let Category = DocCatFunction; let Content = [{ diff --git a/clang/test/Misc/pragma-attribute-supported-attributes-list.test b/clang/test/Misc/pragma-attribute-supported-attributes-list.test index 7529a2425d3..da024a43947 100644 --- a/clang/test/Misc/pragma-attribute-supported-attributes-list.test +++ b/clang/test/Misc/pragma-attribute-supported-attributes-list.test @@ -40,6 +40,7 @@ // CHECK-NEXT: NoSanitize (SubjectMatchRule_function, SubjectMatchRule_objc_method, SubjectMatchRule_variable_is_global) // CHECK-NEXT: NoSanitizeSpecific (SubjectMatchRule_function, SubjectMatchRule_variable_is_global) // CHECK-NEXT: NoSplitStack (SubjectMatchRule_function) +// CHECK-NEXT: NoThrow (SubjectMatchRule_function) // CHECK-NEXT: NotTailCalled (SubjectMatchRule_function) // CHECK-NEXT: ObjCBoxable (SubjectMatchRule_record) // CHECK-NEXT: ObjCMethodFamily (SubjectMatchRule_objc_method) |
