1 //===-- FileLineResolver.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_CORE_FILELINERESOLVER_H
10 #define LLDB_CORE_FILELINERESOLVER_H
11 
12 #include "lldb/Core/SearchFilter.h"
13 #include "lldb/Symbol/SymbolContext.h"
14 #include "lldb/Utility/FileSpec.h"
15 #include "lldb/lldb-defines.h"
16 
17 #include <cstdint>
18 
19 namespace lldb_private {
20 class Address;
21 class Stream;
22 
23 /// \class FileLineResolver FileLineResolver.h "lldb/Core/FileLineResolver.h"
24 /// This class finds address for source file and line.  Optionally, it will
25 /// look for inlined instances of the file and line specification.
26 
27 class FileLineResolver : public Searcher {
28 public:
29   FileLineResolver()
30       : m_file_spec(),
31         // Set this to zero for all lines in a file
32         m_sc_list() {}
33 
34   FileLineResolver(const FileSpec &resolver, uint32_t line_no,
35                    bool check_inlines);
36 
37   ~FileLineResolver() override;
38 
39   Searcher::CallbackReturn SearchCallback(SearchFilter &filter,
40                                           SymbolContext &context,
41                                           Address *addr) override;
42 
43   lldb::SearchDepth GetDepth() override;
44 
45   void GetDescription(Stream *s) override;
46 
47   const SymbolContextList &GetFileLineMatches() { return m_sc_list; }
48 
49   void Clear();
50 
51   void Reset(const FileSpec &file_spec, uint32_t line, bool check_inlines);
52 
53 protected:
54   FileSpec m_file_spec;   // This is the file spec we are looking for.
55   uint32_t m_line_number =
56       UINT32_MAX; // This is the line number that we are looking for.
57   SymbolContextList m_sc_list;
58   bool m_inlines = true; // This determines whether the resolver looks for
59                          // inlined functions or not.
60 
61 private:
62   FileLineResolver(const FileLineResolver &) = delete;
63   const FileLineResolver &operator=(const FileLineResolver &) = delete;
64 };
65 
66 } // namespace lldb_private
67 
68 #endif // LLDB_CORE_FILELINERESOLVER_H
69