aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/libs/clang16/include/clang/Analysis/SelectorExtras.h
blob: c62f238659d603c949688268e14b8d7d9d1e5f00 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
#pragma once

#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#endif

//=== 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

#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif