Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//=== 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_ANALYSIS_SELECTOREXTRAS_H

#define LLVM_CLANG_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) > 0,

                "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