1//===-- TypeMap.cpp -------------------------------------------------------===//
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#include <vector>
10
11#include "llvm/Support/FormattedStream.h"
12#include "llvm/Support/raw_ostream.h"
13
14#include "lldb/Symbol/SymbolFile.h"
15#include "lldb/Symbol/SymbolVendor.h"
16#include "lldb/Symbol/Type.h"
17#include "lldb/Symbol/TypeMap.h"
18
19using namespace lldb;
20using namespace lldb_private;
21
22TypeMap::TypeMap() : m_types() {}
23
24// Destructor
25TypeMap::~TypeMap() = default;
26
27void TypeMap::Insert(const TypeSP &type_sp) {
28 // Just push each type on the back for now. We will worry about uniquing
29 // later
30 if (type_sp)
31 m_types.insert(x: std::make_pair(x: type_sp->GetID(), y: type_sp));
32}
33
34bool TypeMap::InsertUnique(const TypeSP &type_sp) {
35 if (type_sp) {
36 user_id_t type_uid = type_sp->GetID();
37 iterator pos, end = m_types.end();
38
39 for (pos = m_types.find(x: type_uid);
40 pos != end && pos->second->GetID() == type_uid; ++pos) {
41 if (pos->second.get() == type_sp.get())
42 return false;
43 }
44 Insert(type_sp);
45 }
46 return true;
47}
48
49// Find a base type by its unique ID.
50// TypeSP
51// TypeMap::FindType(lldb::user_id_t uid)
52//{
53// iterator pos = m_types.find(uid);
54// if (pos != m_types.end())
55// return pos->second;
56// return TypeSP();
57//}
58
59// Find a type by name.
60// TypeMap
61// TypeMap::FindTypes (ConstString name)
62//{
63// // Do we ever need to make a lookup by name map? Here we are doing
64// // a linear search which isn't going to be fast.
65// TypeMap types(m_ast.getTargetInfo()->getTriple().getTriple().c_str());
66// iterator pos, end;
67// for (pos = m_types.begin(), end = m_types.end(); pos != end; ++pos)
68// if (pos->second->GetName() == name)
69// types.Insert (pos->second);
70// return types;
71//}
72
73void TypeMap::Clear() { m_types.clear(); }
74
75uint32_t TypeMap::GetSize() const { return m_types.size(); }
76
77bool TypeMap::Empty() const { return m_types.empty(); }
78
79// GetTypeAtIndex isn't used a lot for large type lists, currently only for
80// type lists that are returned for "image dump -t TYPENAME" commands and other
81// simple symbol queries that grab the first result...
82
83TypeSP TypeMap::GetTypeAtIndex(uint32_t idx) {
84 iterator pos, end;
85 uint32_t i = idx;
86 for (pos = m_types.begin(), end = m_types.end(); pos != end; ++pos) {
87 if (i == 0)
88 return pos->second;
89 --i;
90 }
91 return TypeSP();
92}
93
94lldb::TypeSP TypeMap::FirstType() const {
95 if (m_types.empty())
96 return TypeSP();
97 return m_types.begin()->second;
98}
99
100void TypeMap::ForEach(
101 std::function<bool(const lldb::TypeSP &type_sp)> const &callback) const {
102 for (auto pos = m_types.begin(), end = m_types.end(); pos != end; ++pos) {
103 if (!callback(pos->second))
104 break;
105 }
106}
107
108void TypeMap::ForEach(
109 std::function<bool(lldb::TypeSP &type_sp)> const &callback) {
110 for (auto pos = m_types.begin(), end = m_types.end(); pos != end; ++pos) {
111 if (!callback(pos->second))
112 break;
113 }
114}
115
116bool TypeMap::Remove(const lldb::TypeSP &type_sp) {
117 if (type_sp) {
118 lldb::user_id_t uid = type_sp->GetID();
119 for (iterator pos = m_types.find(x: uid), end = m_types.end();
120 pos != end && pos->first == uid; ++pos) {
121 if (pos->second == type_sp) {
122 m_types.erase(position: pos);
123 return true;
124 }
125 }
126 }
127 return false;
128}
129
130void TypeMap::Dump(Stream *s, bool show_context,
131 lldb::DescriptionLevel level) const {
132 for (const auto &pair : m_types)
133 pair.second->Dump(s, show_context, level);
134}
135

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source code of lldb/source/Symbol/TypeMap.cpp