1 //=== SelectorExtras.h - Helpers for checkers using selectors -----*- C++ -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #ifndef LLVM_CLANG_LIB_ANALYSIS_SELECTOREXTRAS_H
11 #define LLVM_CLANG_LIB_ANALYSIS_SELECTOREXTRAS_H
13 #include "clang/AST/ASTContext.h"
17 template <typename... IdentifierInfos>
18 static inline Selector getKeywordSelector(ASTContext &Ctx,
19 IdentifierInfos *... IIs) {
20 static_assert(sizeof...(IdentifierInfos),
21 "keyword selectors must have at least one argument");
22 SmallVector<IdentifierInfo *, 10> II({&Ctx.Idents.get(IIs)...});
24 return Ctx.Selectors.getSelector(II.size(), &II[0]);
27 template <typename... IdentifierInfos>
28 static inline void lazyInitKeywordSelector(Selector &Sel, ASTContext &Ctx,
29 IdentifierInfos *... IIs) {
32 Sel = getKeywordSelector(Ctx, IIs...);
35 } // end namespace clang