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
20 namespace clang {
21 /// The format in which header information is emitted.
22 enum 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.
27 enum HeaderIncludeFilteringKind { HIFIL_None, HIFIL_Only_Direct_System };
28
29 inline HeaderIncludeFormatKind
stringToHeaderIncludeFormatKind(const char * Str)30 stringToHeaderIncludeFormatKind(const char *Str) {
31 return llvm::StringSwitch<HeaderIncludeFormatKind>(Str)
32 .Case("textual", HIFMT_Textual)
33 .Case("json", HIFMT_JSON)
34 .Default(HIFMT_None);
35 }
36
stringToHeaderIncludeFiltering(const char * Str,HeaderIncludeFilteringKind & Kind)37 inline bool stringToHeaderIncludeFiltering(const char *Str,
38 HeaderIncludeFilteringKind &Kind) {
39 std::pair<bool, HeaderIncludeFilteringKind> P =
40 llvm::StringSwitch<std::pair<bool, HeaderIncludeFilteringKind>>(Str)
41 .Case("none", {true, HIFIL_None})
42 .Case("only-direct-system", {true, HIFIL_Only_Direct_System})
43 .Default({false, HIFIL_None});
44 Kind = P.second;
45 return P.first;
46 }
47
headerIncludeFormatKindToString(HeaderIncludeFormatKind K)48 inline 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
60 inline const char *
headerIncludeFilteringKindToString(HeaderIncludeFilteringKind K)61 headerIncludeFilteringKindToString(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