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/Core/Log.h"
14 #include "lldb/Core/StreamString.h"
15 #include "lldb/Symbol/CompileUnit.h"
16 #include "lldb/Symbol/LineTable.h"
17 
18 using namespace lldb;
19 using namespace lldb_private;
20 
21 //----------------------------------------------------------------------
22 // FileLineResolver:
23 //----------------------------------------------------------------------
24 FileLineResolver::FileLineResolver
25 (
26     const FileSpec &file_spec,
27     uint32_t line_no,
28     bool check_inlines
29 ) :
30     Searcher (),
31     m_file_spec (file_spec),
32     m_line_number (line_no),
33     m_inlines (check_inlines)
34 {
35 }
36 
37 FileLineResolver::~FileLineResolver ()
38 {
39 }
40 
41 Searcher::CallbackReturn
42 FileLineResolver::SearchCallback
43 (
44     SearchFilter &filter,
45     SymbolContext &context,
46     Address *addr,
47     bool containing
48 )
49 {
50     CompileUnit *cu = context.comp_unit;
51 
52     if (m_inlines || m_file_spec.Compare(*cu, m_file_spec, (bool)m_file_spec.GetDirectory()))
53     {
54         uint32_t start_file_idx = 0;
55         uint32_t file_idx = cu->GetSupportFiles().FindFileIndex(start_file_idx, m_file_spec, false);
56         if (file_idx != UINT32_MAX)
57         {
58             LineTable *line_table = cu->GetLineTable();
59             if (line_table)
60             {
61                 if (m_line_number == 0)
62                 {
63                     // Match all lines in a file...
64                     const bool append = true;
65                     while (file_idx != UINT32_MAX)
66                     {
67                         line_table->FineLineEntriesForFileIndex (file_idx, append, m_sc_list);
68                         // Get the next file index in case we have multiple file
69                         // entries for the same file
70                         file_idx = cu->GetSupportFiles().FindFileIndex(file_idx + 1, m_file_spec, false);
71                     }
72                 }
73                 else
74                 {
75                     // Match a specific line in a file...
76                 }
77             }
78         }
79     }
80     return Searcher::eCallbackReturnContinue;
81 }
82 
83 Searcher::Depth
84 FileLineResolver::GetDepth()
85 {
86     return Searcher::eDepthCompUnit;
87 }
88 
89 void
90 FileLineResolver::GetDescription (Stream *s)
91 {
92     s->Printf ("File and line resolver for file: \"%s\" line: %u",
93                m_file_spec.GetPath().c_str(),
94                m_line_number);
95 }
96 
97 void
98 FileLineResolver::Clear()
99 {
100     m_file_spec.Clear();
101     m_line_number = UINT32_MAX;
102     m_sc_list.Clear();
103     m_inlines = true;
104 }
105 
106 void
107 FileLineResolver::Reset (const FileSpec &file_spec,
108                          uint32_t line,
109                          bool check_inlines)
110 {
111     m_file_spec = file_spec;
112     m_line_number = line;
113     m_sc_list.Clear();
114     m_inlines = check_inlines;
115 }
116 
117