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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2019-09-04 20:30:37 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2019-09-04 20:30:37 +0000 |
| commit | 940249d8175d8db209f3e6e4557aaa6f1d99c00f (patch) | |
| tree | 756c9f3cd9ff717961b6dc1a504894be82e6373d /lib/Parse/ParseDecl.cpp | |
| parent | 3c6ee3dacaccb1f818db5d8b9a6169d2d116e7aa (diff) | |
| download | clang-940249d8175d8db209f3e6e4557aaa6f1d99c00f.tar.gz | |
[c++20] P1143R2: Add support for the C++20 'constinit' keyword.
This is mostly the same as the
[[clang::require_constant_initialization]] attribute, but has a couple
of additional syntactic and semantic restrictions.
In passing, I added a warning for the attribute form being added after
we have already seen the initialization of the variable (but before we
see the definition); that case previously slipped between the cracks and
the attribute was silently ignored.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@370972 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Parse/ParseDecl.cpp')
| -rw-r--r-- | lib/Parse/ParseDecl.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp index c4c5045d2f..d66c539056 100644 --- a/lib/Parse/ParseDecl.cpp +++ b/lib/Parse/ParseDecl.cpp @@ -2514,7 +2514,7 @@ void Parser::ParseSpecifierQualifierList(DeclSpec &DS, AccessSpecifier AS, // Issue diagnostic and remove constexpr specifier if present. if (DS.hasConstexprSpecifier() && DSC != DeclSpecContext::DSC_condition) { Diag(DS.getConstexprSpecLoc(), diag::err_typename_invalid_constexpr) - << (DS.getConstexprSpecifier() == CSK_consteval); + << DS.getConstexprSpecifier(); DS.ClearConstexprSpec(); } } @@ -3653,15 +3653,16 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS, isInvalid = DS.setModulePrivateSpec(Loc, PrevSpec, DiagID); break; - // constexpr + // constexpr, consteval, constinit specifiers case tok::kw_constexpr: isInvalid = DS.SetConstexprSpec(CSK_constexpr, Loc, PrevSpec, DiagID); break; - - // consteval case tok::kw_consteval: isInvalid = DS.SetConstexprSpec(CSK_consteval, Loc, PrevSpec, DiagID); break; + case tok::kw_constinit: + isInvalid = DS.SetConstexprSpec(CSK_constinit, Loc, PrevSpec, DiagID); + break; // type-specifier case tok::kw_short: @@ -5080,8 +5081,9 @@ bool Parser::isDeclarationSpecifier(bool DisambiguatingWithExpression) { case tok::annot_decltype: case tok::kw_constexpr: - // C++20 consteval. + // C++20 consteval and constinit. case tok::kw_consteval: + case tok::kw_constinit: // C11 _Atomic case tok::kw__Atomic: |