summaryrefslogtreecommitdiff
path: root/source/Target/ThreadSpec.cpp
blob: 44418492650d5ede68b6daf77315d68d29f27fd4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
//===-- ThreadSpec.cpp ------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "lldb/Target/ThreadSpec.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/StructuredData.h"

using namespace lldb;
using namespace lldb_private;

const char *ThreadSpec::g_option_names[static_cast<uint32_t>(
    ThreadSpec::OptionNames::LastOptionName)]{"Index", "ID", "Name",
                                              "QueueName"};

ThreadSpec::ThreadSpec()
    : m_index(UINT32_MAX), m_tid(LLDB_INVALID_THREAD_ID), m_name(),
      m_queue_name() {}

ThreadSpec::ThreadSpec(const ThreadSpec &rhs)
    : m_index(rhs.m_index), m_tid(rhs.m_tid), m_name(rhs.m_name),
      m_queue_name(rhs.m_queue_name) {}

const ThreadSpec &ThreadSpec::operator=(const ThreadSpec &rhs) {
  m_index = rhs.m_index;
  m_tid = rhs.m_tid;
  m_name = rhs.m_name;
  m_queue_name = rhs.m_queue_name;
  return *this;
}

std::unique_ptr<ThreadSpec> ThreadSpec::CreateFromStructuredData(
    const StructuredData::Dictionary &spec_dict, Status &error) {
  uint32_t index = UINT32_MAX;
  lldb::tid_t tid = LLDB_INVALID_THREAD_ID;
  llvm::StringRef name;
  llvm::StringRef queue_name;

  std::unique_ptr<ThreadSpec> thread_spec_up(new ThreadSpec());
  bool success = spec_dict.GetValueForKeyAsInteger(
      GetKey(OptionNames::ThreadIndex), index);
  if (success)
    thread_spec_up->SetIndex(index);

  success =
      spec_dict.GetValueForKeyAsInteger(GetKey(OptionNames::ThreadID), tid);
  if (success)
    thread_spec_up->SetTID(tid);

  success =
      spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName), name);
  if (success)
    thread_spec_up->SetName(name);

  success = spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName),
                                             queue_name);
  if (success)
    thread_spec_up->SetQueueName(queue_name);

  return thread_spec_up;
}

StructuredData::ObjectSP ThreadSpec::SerializeToStructuredData() {
  StructuredData::DictionarySP data_dict_sp(new StructuredData::Dictionary());

  if (m_index != UINT32_MAX)
    data_dict_sp->AddIntegerItem(GetKey(OptionNames::ThreadIndex), m_index);
  if (m_tid != LLDB_INVALID_THREAD_ID)
    data_dict_sp->AddIntegerItem(GetKey(OptionNames::ThreadID), m_tid);
  if (!m_name.empty())
    data_dict_sp->AddStringItem(GetKey(OptionNames::ThreadName), m_name);
  if (!m_queue_name.empty())
    data_dict_sp->AddStringItem(GetKey(OptionNames::QueueName), m_queue_name);

  return data_dict_sp;
}

const char *ThreadSpec::GetName() const {
  return m_name.empty() ? nullptr : m_name.c_str();
}

const char *ThreadSpec::GetQueueName() const {
  return m_queue_name.empty() ? nullptr : m_queue_name.c_str();
}

bool ThreadSpec::TIDMatches(Thread &thread) const {
  if (m_tid == LLDB_INVALID_THREAD_ID)
    return true;

  lldb::tid_t thread_id = thread.GetID();
  return TIDMatches(thread_id);
}

bool ThreadSpec::IndexMatches(Thread &thread) const {
  if (m_index == UINT32_MAX)
    return true;
  uint32_t index = thread.GetIndexID();
  return IndexMatches(index);
}

bool ThreadSpec::NameMatches(Thread &thread) const {
  if (m_name.empty())
    return true;

  const char *name = thread.GetName();
  return NameMatches(name);
}

bool ThreadSpec::QueueNameMatches(Thread &thread) const {
  if (m_queue_name.empty())
    return true;

  const char *queue_name = thread.GetQueueName();
  return QueueNameMatches(queue_name);
}

bool ThreadSpec::ThreadPassesBasicTests(Thread &thread) const {
  if (!HasSpecification())
    return true;

  if (!TIDMatches(thread))
    return false;

  if (!IndexMatches(thread))
    return false;

  if (!NameMatches(thread))
    return false;

  if (!QueueNameMatches(thread))
    return false;

  return true;
}

bool ThreadSpec::HasSpecification() const {
  return (m_index != UINT32_MAX || m_tid != LLDB_INVALID_THREAD_ID ||
          !m_name.empty() || !m_queue_name.empty());
}

void ThreadSpec::GetDescription(Stream *s, lldb::DescriptionLevel level) const {
  if (!HasSpecification()) {
    if (level == eDescriptionLevelBrief) {
      s->PutCString("thread spec: no ");
    }
  } else {
    if (level == eDescriptionLevelBrief) {
      s->PutCString("thread spec: yes ");
    } else {
      if (GetTID() != LLDB_INVALID_THREAD_ID)
        s->Printf("tid: 0x%" PRIx64 " ", GetTID());

      if (GetIndex() != UINT32_MAX)
        s->Printf("index: %d ", GetIndex());

      const char *name = GetName();
      if (name)
        s->Printf("thread name: \"%s\" ", name);

      const char *queue_name = GetQueueName();
      if (queue_name)
        s->Printf("queue name: \"%s\" ", queue_name);
    }
  }
}