/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/NameToDIE.h
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1 | | //===-- NameToDIE.h ---------------------------------------------*- 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 | | #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_NAMETODIE_H |
10 | | #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_NAMETODIE_H |
11 | | |
12 | | #include <functional> |
13 | | |
14 | | #include "DIERef.h" |
15 | | #include "lldb/Core/UniqueCStringMap.h" |
16 | | #include "lldb/Core/dwarf.h" |
17 | | #include "lldb/lldb-defines.h" |
18 | | |
19 | | namespace lldb_private::plugin { |
20 | | namespace dwarf { |
21 | | class DWARFUnit; |
22 | | |
23 | | class NameToDIE { |
24 | | public: |
25 | 76.0k | NameToDIE() : m_map() {} |
26 | | |
27 | 75.5k | ~NameToDIE() = default; |
28 | | |
29 | | void Dump(Stream *s); |
30 | | |
31 | | void Insert(ConstString name, const DIERef &die_ref); |
32 | | |
33 | | void Append(const NameToDIE &other); |
34 | | |
35 | | void Finalize(); |
36 | | |
37 | | bool Find(ConstString name, |
38 | | llvm::function_ref<bool(DIERef ref)> callback) const; |
39 | | |
40 | | bool Find(const RegularExpression ®ex, |
41 | | llvm::function_ref<bool(DIERef ref)> callback) const; |
42 | | |
43 | | /// \a unit must be the skeleton unit if possible, not GetNonSkeletonUnit(). |
44 | | void |
45 | | FindAllEntriesForUnit(DWARFUnit &unit, |
46 | | llvm::function_ref<bool(DIERef ref)> callback) const; |
47 | | |
48 | | void |
49 | | ForEach(std::function<bool(ConstString name, const DIERef &die_ref)> const |
50 | | &callback) const; |
51 | | |
52 | | /// Decode a serialized version of this object from data. |
53 | | /// |
54 | | /// \param data |
55 | | /// The decoder object that references the serialized data. |
56 | | /// |
57 | | /// \param offset_ptr |
58 | | /// A pointer that contains the offset from which the data will be decoded |
59 | | /// from that gets updated as data gets decoded. |
60 | | /// |
61 | | /// \param strtab |
62 | | /// All strings in cache files are put into string tables for efficiency |
63 | | /// and cache file size reduction. Strings are stored as uint32_t string |
64 | | /// table offsets in the cache data. |
65 | | bool Decode(const DataExtractor &data, lldb::offset_t *offset_ptr, |
66 | | const StringTableReader &strtab); |
67 | | |
68 | | /// Encode this object into a data encoder object. |
69 | | /// |
70 | | /// This allows this object to be serialized to disk. |
71 | | /// |
72 | | /// \param encoder |
73 | | /// A data encoder object that serialized bytes will be encoded into. |
74 | | /// |
75 | | /// \param strtab |
76 | | /// All strings in cache files are put into string tables for efficiency |
77 | | /// and cache file size reduction. Strings are stored as uint32_t string |
78 | | /// table offsets in the cache data. |
79 | | void Encode(DataEncoder &encoder, ConstStringTable &strtab) const; |
80 | | |
81 | | /// Used for unit testing the encoding and decoding. |
82 | | bool operator==(const NameToDIE &rhs) const; |
83 | | |
84 | 168 | bool IsEmpty() const { return m_map.IsEmpty(); } |
85 | | |
86 | | void Clear() { m_map.Clear(); } |
87 | | |
88 | | protected: |
89 | | UniqueCStringMap<DIERef> m_map; |
90 | | }; |
91 | | } // namespace dwarf |
92 | | } // namespace lldb_private::plugin |
93 | | |
94 | | #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_NAMETODIE_H |