/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/lib/Format/AffectedRangeManager.h
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1 | | //===--- AffectedRangeManager.h - Format C++ code ---------------*- 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 | | /// AffectedRangeManager class manages affected ranges in the code. |
11 | | /// |
12 | | //===----------------------------------------------------------------------===// |
13 | | |
14 | | #ifndef LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H |
15 | | #define LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H |
16 | | |
17 | | #include "clang/Basic/SourceManager.h" |
18 | | |
19 | | namespace clang { |
20 | | namespace format { |
21 | | |
22 | | struct FormatToken; |
23 | | class AnnotatedLine; |
24 | | |
25 | | class AffectedRangeManager { |
26 | | public: |
27 | | AffectedRangeManager(const SourceManager &SourceMgr, |
28 | | const ArrayRef<CharSourceRange> Ranges) |
29 | 38.0k | : SourceMgr(SourceMgr), Ranges(Ranges.begin(), Ranges.end()) {} |
30 | | |
31 | | // Determines which lines are affected by the SourceRanges given as input. |
32 | | // Returns \c true if at least one line in \p Lines or one of their |
33 | | // children is affected. |
34 | | bool computeAffectedLines(SmallVectorImpl<AnnotatedLine *> &Lines); |
35 | | |
36 | | // Returns true if 'Range' intersects with one of the input ranges. |
37 | | bool affectsCharSourceRange(const CharSourceRange &Range); |
38 | | |
39 | | private: |
40 | | // Returns true if the range from 'First' to 'Last' intersects with one of the |
41 | | // input ranges. |
42 | | bool affectsTokenRange(const FormatToken &First, const FormatToken &Last, |
43 | | bool IncludeLeadingNewlines); |
44 | | |
45 | | // Returns true if one of the input ranges intersect the leading empty lines |
46 | | // before 'Tok'. |
47 | | bool affectsLeadingEmptyLines(const FormatToken &Tok); |
48 | | |
49 | | // Marks all lines between I and E as well as all their children as affected. |
50 | | void markAllAsAffected(SmallVectorImpl<AnnotatedLine *>::iterator I, |
51 | | SmallVectorImpl<AnnotatedLine *>::iterator E); |
52 | | |
53 | | // Determines whether 'Line' is affected by the SourceRanges given as input. |
54 | | // Returns \c true if line or one if its children is affected. |
55 | | bool nonPPLineAffected(AnnotatedLine *Line, const AnnotatedLine *PreviousLine, |
56 | | SmallVectorImpl<AnnotatedLine *> &Lines); |
57 | | |
58 | | const SourceManager &SourceMgr; |
59 | | const SmallVector<CharSourceRange, 8> Ranges; |
60 | | }; |
61 | | |
62 | | } // namespace format |
63 | | } // namespace clang |
64 | | |
65 | | #endif // LLVM_CLANG_LIB_FORMAT_AFFECTEDRANGEMANAGER_H |