1//===--- HeaderInclude.h - Header Include -----------------------*- C++ -*-===//
2//
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
6//
7//===----------------------------------------------------------------------===//
8///
9/// \file
10/// Defines enums used when emitting included header information.
11///
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_CLANG_BASIC_HEADERINCLUDEFORMATKIND_H
15#define LLVM_CLANG_BASIC_HEADERINCLUDEFORMATKIND_H
16#include "llvm/ADT/StringSwitch.h"
17#include "llvm/Support/ErrorHandling.h"
18#include <utility>
19
20namespace clang {
21/// The format in which header information is emitted.
22enum HeaderIncludeFormatKind { HIFMT_None, HIFMT_Textual, HIFMT_JSON };
23
24/// Whether header information is filtered or not. If HIFIL_Only_Direct_System
25/// is used, only information on system headers directly included from
26/// non-system headers is emitted.
27enum HeaderIncludeFilteringKind { HIFIL_None, HIFIL_Only_Direct_System };
28
29inline HeaderIncludeFormatKind
30stringToHeaderIncludeFormatKind(const char *Str) {
31 return llvm::StringSwitch<HeaderIncludeFormatKind>(Str)
32 .Case(S: "textual", Value: HIFMT_Textual)
33 .Case(S: "json", Value: HIFMT_JSON)
34 .Default(Value: HIFMT_None);
35}
36
37inline bool stringToHeaderIncludeFiltering(const char *Str,
38 HeaderIncludeFilteringKind &Kind) {
39 std::pair<bool, HeaderIncludeFilteringKind> P =
40 llvm::StringSwitch<std::pair<bool, HeaderIncludeFilteringKind>>(Str)
41 .Case(S: "none", Value: {true, HIFIL_None})
42 .Case(S: "only-direct-system", Value: {true, HIFIL_Only_Direct_System})
43 .Default(Value: {false, HIFIL_None});
44 Kind = P.second;
45 return P.first;
46}
47
48inline const char *headerIncludeFormatKindToString(HeaderIncludeFormatKind K) {
49 switch (K) {
50 case HIFMT_None:
51 llvm_unreachable("unexpected format kind");
52 case HIFMT_Textual:
53 return "textual";
54 case HIFMT_JSON:
55 return "json";
56 }
57 llvm_unreachable("Unknown HeaderIncludeFormatKind enum");
58}
59
60inline const char *
61headerIncludeFilteringKindToString(HeaderIncludeFilteringKind K) {
62 switch (K) {
63 case HIFIL_None:
64 return "none";
65 case HIFIL_Only_Direct_System:
66 return "only-direct-system";
67 }
68 llvm_unreachable("Unknown HeaderIncludeFilteringKind enum");
69}
70
71} // end namespace clang
72
73#endif // LLVM_CLANG_BASIC_HEADERINCLUDEFORMATKIND_H
74

source code of clang/include/clang/Basic/HeaderInclude.h