1 //===-- NameToDIE.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 "NameToDIE.h"
11 #include "lldb/Symbol/ObjectFile.h"
12 #include "lldb/Utility/ConstString.h"
13 #include "lldb/Utility/RegularExpression.h"
14 #include "lldb/Utility/Stream.h"
15 #include "lldb/Utility/StreamString.h"
16 
17 #include "DWARFDebugInfo.h"
18 #include "DWARFDebugInfoEntry.h"
19 #include "SymbolFileDWARF.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 void NameToDIE::Finalize() {
25   m_map.Sort();
26   m_map.SizeToFit();
27 }
28 
29 void NameToDIE::Insert(const ConstString &name, const DIERef &die_ref) {
30   m_map.Append(name, die_ref);
31 }
32 
33 size_t NameToDIE::Find(const ConstString &name, DIEArray &info_array) const {
34   return m_map.GetValues(name, info_array);
35 }
36 
37 size_t NameToDIE::Find(const RegularExpression &regex,
38                        DIEArray &info_array) const {
39   return m_map.GetValues(regex, info_array);
40 }
41 
42 size_t NameToDIE::FindAllEntriesForCompileUnit(dw_offset_t cu_offset,
43                                                DIEArray &info_array) const {
44   const size_t initial_size = info_array.size();
45   const uint32_t size = m_map.GetSize();
46   for (uint32_t i = 0; i < size; ++i) {
47     const DIERef &die_ref = m_map.GetValueAtIndexUnchecked(i);
48     if (cu_offset == die_ref.cu_offset)
49       info_array.push_back(die_ref);
50   }
51   return info_array.size() - initial_size;
52 }
53 
54 void NameToDIE::Dump(Stream *s) {
55   const uint32_t size = m_map.GetSize();
56   for (uint32_t i = 0; i < size; ++i) {
57     ConstString cstr = m_map.GetCStringAtIndex(i);
58     const DIERef &die_ref = m_map.GetValueAtIndexUnchecked(i);
59     s->Printf("%p: {0x%8.8x/0x%8.8x} \"%s\"\n", (const void *)cstr.GetCString(),
60               die_ref.cu_offset, die_ref.die_offset, cstr.GetCString());
61   }
62 }
63 
64 void NameToDIE::ForEach(
65     std::function<bool(ConstString name, const DIERef &die_ref)> const
66         &callback) const {
67   const uint32_t size = m_map.GetSize();
68   for (uint32_t i = 0; i < size; ++i) {
69     if (!callback(m_map.GetCStringAtIndexUnchecked(i),
70                   m_map.GetValueAtIndexUnchecked(i)))
71       break;
72   }
73 }
74 
75 void NameToDIE::Append(const NameToDIE &other) {
76   const uint32_t size = other.m_map.GetSize();
77   for (uint32_t i = 0; i < size; ++i) {
78     m_map.Append(other.m_map.GetCStringAtIndexUnchecked(i),
79                  other.m_map.GetValueAtIndexUnchecked(i));
80   }
81 }
82