diff options
| author | Francois Pichet <pichet2000@gmail.com> | 2010-09-12 05:06:55 +0000 |
|---|---|---|
| committer | Francois Pichet <pichet2000@gmail.com> | 2010-09-12 05:06:55 +0000 |
| commit | 8dc3abcc36df883324461daad0c05364158f3cf0 (patch) | |
| tree | 35c3eea6bed7ab4a0385d2a5422ad97a5215c2a1 | |
| parent | 661b4939ae3f84380dc3e670a06e963b4b9d3b6e (diff) | |
Add basic support for Microsoft enum forward declaration.
Assigning an underlying integral type to an enum forward declaration will come in a next patch.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113716 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | include/clang/Basic/DiagnosticSemaKinds.td | 2 | ||||
| -rw-r--r-- | lib/Sema/SemaDecl.cpp | 9 | ||||
| -rw-r--r-- | test/SemaCXX/MicrosoftExtensions.cpp | 4 |
3 files changed, 12 insertions, 3 deletions
diff --git a/include/clang/Basic/DiagnosticSemaKinds.td b/include/clang/Basic/DiagnosticSemaKinds.td index da5ebc2a25..05a76a71a4 100644 --- a/include/clang/Basic/DiagnosticSemaKinds.td +++ b/include/clang/Basic/DiagnosticSemaKinds.td @@ -1780,6 +1780,8 @@ def ext_forward_ref_enum : Extension< "ISO C forbids forward references to 'enum' types">; def err_forward_ref_enum : Error< "ISO C++ forbids forward references to 'enum' types">; +def ext_ms_forward_ref_enum : Extension< + "forward references to 'enum' types are a Microsoft extension">, InGroup<Microsoft>; def ext_forward_ref_enum_def : Extension< "redeclaration of already-defined enum %0 is a GNU extension">, InGroup<GNU>; diff --git a/lib/Sema/SemaDecl.cpp b/lib/Sema/SemaDecl.cpp index e4dca2ba98..21b328d64c 100644 --- a/lib/Sema/SemaDecl.cpp +++ b/lib/Sema/SemaDecl.cpp @@ -5755,9 +5755,12 @@ CreateNewDecl: << New; Diag(Def->getLocation(), diag::note_previous_definition); } else { - Diag(Loc, - getLangOptions().CPlusPlus? diag::err_forward_ref_enum - : diag::ext_forward_ref_enum); + unsigned DiagID = diag::ext_forward_ref_enum; + if (getLangOptions().Microsoft) + DiagID = diag::ext_ms_forward_ref_enum; + else if (getLangOptions().CPlusPlus) + DiagID = diag::err_forward_ref_enum; + Diag(Loc, DiagID); } } } else { diff --git a/test/SemaCXX/MicrosoftExtensions.cpp b/test/SemaCXX/MicrosoftExtensions.cpp index 93650a53f4..7cc1675f2e 100644 --- a/test/SemaCXX/MicrosoftExtensions.cpp +++ b/test/SemaCXX/MicrosoftExtensions.cpp @@ -84,3 +84,7 @@ void m1() { h1<int>(&M::addP); h1(&M::subtractP); } + +//MSVC allows forward enum declaration +enum ENUM; // expected-warning {{forward references to 'enum' types are a Microsoft extension}} +ENUM *var; |