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