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| //===-- ThreadSpec.h --------------------------------------------*- 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
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ThreadSpec_h_
#define liblldb_ThreadSpec_h_
#include "lldb/Utility/StructuredData.h"
#include "lldb/lldb-private.h"
#include <string>
namespace lldb_private {
// Note: For now the thread spec has only fixed elements -
// Thread ID
// Thread Index
// Thread Name
// Thread Queue Name
//
// But if we need more generality, we can hang a key/value map off of this
// structure.
// That's why the thread matches spec test is done as a virtual method in
// Thread::MatchesSpec,
// since it is the native thread that would know how to interpret the keys.
// I was going to do the Queue Name this way out of sheer orneriness, but that
// seems a
// sufficiently general concept, so I put it in here on its own.
class ThreadSpec {
public:
ThreadSpec();
static std::unique_ptr<ThreadSpec>
CreateFromStructuredData(const StructuredData::Dictionary &data_dict,
Status &error);
StructuredData::ObjectSP SerializeToStructuredData();
static const char *GetSerializationKey() { return "ThreadSpec"; }
void SetIndex(uint32_t index) { m_index = index; }
void SetTID(lldb::tid_t tid) { m_tid = tid; }
void SetName(llvm::StringRef name) { m_name = name; }
void SetQueueName(llvm::StringRef queue_name) { m_queue_name = queue_name; }
uint32_t GetIndex() const { return m_index; }
lldb::tid_t GetTID() const { return m_tid; }
const char *GetName() const;
const char *GetQueueName() const;
bool TIDMatches(lldb::tid_t thread_id) const {
if (m_tid == LLDB_INVALID_THREAD_ID || thread_id == LLDB_INVALID_THREAD_ID)
return true;
else
return thread_id == m_tid;
}
bool TIDMatches(Thread &thread) const;
bool IndexMatches(uint32_t index) const {
if (m_index == UINT32_MAX || index == UINT32_MAX)
return true;
else
return index == m_index;
}
bool IndexMatches(Thread &thread) const;
bool NameMatches(const char *name) const {
if (m_name.empty())
return true;
else if (name == nullptr)
return false;
else
return m_name == name;
}
bool NameMatches(Thread &thread) const;
bool QueueNameMatches(const char *queue_name) const {
if (m_queue_name.empty())
return true;
else if (queue_name == nullptr)
return false;
else
return m_queue_name == queue_name;
}
bool QueueNameMatches(Thread &thread) const;
bool ThreadPassesBasicTests(Thread &thread) const;
bool HasSpecification() const;
void GetDescription(Stream *s, lldb::DescriptionLevel level) const;
private:
enum class OptionNames {
ThreadIndex = 0,
ThreadID,
ThreadName,
QueueName,
LastOptionName
};
static const char *g_option_names[(size_t)OptionNames::LastOptionName];
static const char *GetKey(OptionNames enum_value) {
return g_option_names[(size_t) enum_value];
}
uint32_t m_index;
lldb::tid_t m_tid;
std::string m_name;
std::string m_queue_name;
};
} // namespace lldb_private
#endif // liblldb_ThreadSpec_h_
|