1 //===-- FileLineResolver.cpp ------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "lldb/Core/FileLineResolver.h"
11 
12 // Project includes
13 #include "lldb/Symbol/CompileUnit.h"
14 #include "lldb/Symbol/LineTable.h"
15 #include "lldb/Utility/Log.h"
16 #include "lldb/Utility/StreamString.h"
17 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 //----------------------------------------------------------------------
22 // FileLineResolver:
23 //----------------------------------------------------------------------
24 FileLineResolver::FileLineResolver(const FileSpec &file_spec, uint32_t line_no,
25                                    bool check_inlines)
26     : Searcher(), m_file_spec(file_spec), m_line_number(line_no),
27       m_inlines(check_inlines) {}
28 
29 FileLineResolver::~FileLineResolver() {}
30 
31 Searcher::CallbackReturn
32 FileLineResolver::SearchCallback(SearchFilter &filter, SymbolContext &context,
33                                  Address *addr, bool containing) {
34   CompileUnit *cu = context.comp_unit;
35 
36   if (m_inlines ||
37       m_file_spec.Compare(*cu, m_file_spec, (bool)m_file_spec.GetDirectory())) {
38     uint32_t start_file_idx = 0;
39     uint32_t file_idx =
40         cu->GetSupportFiles().FindFileIndex(start_file_idx, m_file_spec, false);
41     if (file_idx != UINT32_MAX) {
42       LineTable *line_table = cu->GetLineTable();
43       if (line_table) {
44         if (m_line_number == 0) {
45           // Match all lines in a file...
46           const bool append = true;
47           while (file_idx != UINT32_MAX) {
48             line_table->FineLineEntriesForFileIndex(file_idx, append,
49                                                     m_sc_list);
50             // Get the next file index in case we have multiple file
51             // entries for the same file
52             file_idx = cu->GetSupportFiles().FindFileIndex(file_idx + 1,
53                                                            m_file_spec, false);
54           }
55         } else {
56           // Match a specific line in a file...
57         }
58       }
59     }
60   }
61   return Searcher::eCallbackReturnContinue;
62 }
63 
64 Searcher::Depth FileLineResolver::GetDepth() {
65   return Searcher::eDepthCompUnit;
66 }
67 
68 void FileLineResolver::GetDescription(Stream *s) {
69   s->Printf("File and line resolver for file: \"%s\" line: %u",
70             m_file_spec.GetPath().c_str(), m_line_number);
71 }
72 
73 void FileLineResolver::Clear() {
74   m_file_spec.Clear();
75   m_line_number = UINT32_MAX;
76   m_sc_list.Clear();
77   m_inlines = true;
78 }
79 
80 void FileLineResolver::Reset(const FileSpec &file_spec, uint32_t line,
81                              bool check_inlines) {
82   m_file_spec = file_spec;
83   m_line_number = line;
84   m_sc_list.Clear();
85   m_inlines = check_inlines;
86 }
87