1 //=== SelectorExtras.h - Helpers for checkers using selectors -----*- C++ -*-=//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_CLANG_LIB_ANALYSIS_SELECTOREXTRAS_H
10 #define LLVM_CLANG_LIB_ANALYSIS_SELECTOREXTRAS_H
12 #include "clang/AST/ASTContext.h"
16 template <typename... IdentifierInfos>
17 static inline Selector getKeywordSelector(ASTContext &Ctx,
18 IdentifierInfos *... IIs) {
19 static_assert(sizeof...(IdentifierInfos),
20 "keyword selectors must have at least one argument");
21 SmallVector<IdentifierInfo *, 10> II({&Ctx.Idents.get(IIs)...});
23 return Ctx.Selectors.getSelector(II.size(), &II[0]);
26 template <typename... IdentifierInfos>
27 static inline void lazyInitKeywordSelector(Selector &Sel, ASTContext &Ctx,
28 IdentifierInfos *... IIs) {
31 Sel = getKeywordSelector(Ctx, IIs...);
34 } // end namespace clang