NameToDIE.cpp
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//===-- NameToDIE.cpp -----------------------------------------------------===//
//
// 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 "NameToDIE.h"
#include "DWARFUnit.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Utility/ConstString.h"
#include "lldb/Utility/RegularExpression.h"
#include "lldb/Utility/Stream.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb;
using namespace lldb_private;
void NameToDIE::Finalize() {
m_map.Sort();
m_map.SizeToFit();
}
void NameToDIE::Insert(ConstString name, const DIERef &die_ref) {
m_map.Append(name, die_ref);
}
bool NameToDIE::Find(ConstString name,
llvm::function_ref<bool(DIERef ref)> callback) const {
for (const auto &entry : m_map.equal_range(name))
if (!callback(entry.value))
return false;
return true;
}
bool NameToDIE::Find(const RegularExpression ®ex,
llvm::function_ref<bool(DIERef ref)> callback) const {
for (const auto &entry : m_map)
if (regex.Execute(entry.cstring.GetCString())) {
if (!callback(entry.value))
return false;
}
return true;
}
void NameToDIE::FindAllEntriesForUnit(
const DWARFUnit &unit,
llvm::function_ref<bool(DIERef ref)> callback) const {
const uint32_t size = m_map.GetSize();
for (uint32_t i = 0; i < size; ++i) {
const DIERef &die_ref = m_map.GetValueAtIndexUnchecked(i);
if (unit.GetSymbolFileDWARF().GetDwoNum() == die_ref.dwo_num() &&
unit.GetDebugSection() == die_ref.section() &&
unit.GetOffset() <= die_ref.die_offset() &&
die_ref.die_offset() < unit.GetNextUnitOffset()) {
if (!callback(die_ref))
return;
}
}
}
void NameToDIE::Dump(Stream *s) {
const uint32_t size = m_map.GetSize();
for (uint32_t i = 0; i < size; ++i) {
s->Format("{0} \"{1}\"\n", m_map.GetValueAtIndexUnchecked(i),
m_map.GetCStringAtIndexUnchecked(i));
}
}
void NameToDIE::ForEach(
std::function<bool(ConstString name, const DIERef &die_ref)> const
&callback) const {
const uint32_t size = m_map.GetSize();
for (uint32_t i = 0; i < size; ++i) {
if (!callback(m_map.GetCStringAtIndexUnchecked(i),
m_map.GetValueAtIndexUnchecked(i)))
break;
}
}
void NameToDIE::Append(const NameToDIE &other) {
const uint32_t size = other.m_map.GetSize();
for (uint32_t i = 0; i < size; ++i) {
m_map.Append(other.m_map.GetCStringAtIndexUnchecked(i),
other.m_map.GetValueAtIndexUnchecked(i));
}
}