1 | //===--- CommentBriefParser.h - Dumb comment parser -------------*- 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 | // This file defines a very simple Doxygen comment parser. |
10 | // |
11 | //===----------------------------------------------------------------------===// |
12 | |
13 | |
14 | #ifndef LLVM_CLANG_AST_COMMENTBRIEFPARSER_H |
15 | #define LLVM_CLANG_AST_COMMENTBRIEFPARSER_H |
16 | |
17 | #include "clang/AST/CommentLexer.h" |
18 | |
19 | namespace clang { |
20 | namespace comments { |
21 | |
22 | /// A very simple comment parser that extracts "a brief description". |
23 | /// |
24 | /// Due to a variety of comment styles, it considers the following as "a brief |
25 | /// description", in order of priority: |
26 | /// \li a \or \\short command, |
27 | /// \li the first paragraph, |
28 | /// \li a \\result or \\return or \\returns paragraph. |
29 | class BriefParser { |
30 | Lexer &L; |
31 | |
32 | const CommandTraits &Traits; |
33 | |
34 | /// Current lookahead token. |
35 | Token Tok; |
36 | |
37 | SourceLocation ConsumeToken() { |
38 | SourceLocation Loc = Tok.getLocation(); |
39 | L.lex(Tok); |
40 | return Loc; |
41 | } |
42 | |
43 | public: |
44 | BriefParser(Lexer &L, const CommandTraits &Traits); |
45 | |
46 | /// Return the best "brief description" we can find. |
47 | std::string Parse(); |
48 | }; |
49 | |
50 | } // end namespace comments |
51 | } // end namespace clang |
52 | |
53 | #endif |
54 | |
55 |