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//===-- DebugNamesDWARFIndex.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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DEBUGNAMESDWARFINDEX_H
#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DEBUGNAMESDWARFINDEX_H
#include "Plugins/SymbolFile/DWARF/DWARFIndex.h"
#include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h"
#include "Plugins/SymbolFile/DWARF/ManualDWARFIndex.h"
#include "Plugins/SymbolFile/DWARF/SymbolFileDWARF.h"
#include "lldb/Utility/ConstString.h"
#include "llvm/DebugInfo/DWARF/DWARFAcceleratorTable.h"
#include <optional>
namespace lldb_private {
class DebugNamesDWARFIndex : public DWARFIndex {
public:
static llvm::Expected<std::unique_ptr<DebugNamesDWARFIndex>>
Create(Module &module, DWARFDataExtractor debug_names,
DWARFDataExtractor debug_str, SymbolFileDWARF &dwarf);
void Preload() override { m_fallback.Preload(); }
void
GetGlobalVariables(ConstString basename,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void
GetGlobalVariables(const RegularExpression ®ex,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void
GetGlobalVariables(DWARFUnit &cu,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void
GetObjCMethods(ConstString class_name,
llvm::function_ref<bool(DWARFDIE die)> callback) override {}
void GetCompleteObjCClass(
ConstString class_name, bool must_be_implementation,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void GetTypes(ConstString name,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void GetTypes(const DWARFDeclContext &context,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void GetNamespaces(ConstString name,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void GetFunctions(const Module::LookupInfo &lookup_info,
SymbolFileDWARF &dwarf,
const CompilerDeclContext &parent_decl_ctx,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void GetFunctions(const RegularExpression ®ex,
llvm::function_ref<bool(DWARFDIE die)> callback) override;
void Dump(Stream &s) override;
private:
DebugNamesDWARFIndex(Module &module,
std::unique_ptr<llvm::DWARFDebugNames> debug_names_up,
DWARFDataExtractor debug_names_data,
DWARFDataExtractor debug_str_data,
SymbolFileDWARF &dwarf)
: DWARFIndex(module), m_debug_info(dwarf.DebugInfo()),
m_debug_names_data(debug_names_data), m_debug_str_data(debug_str_data),
m_debug_names_up(std::move(debug_names_up)),
m_fallback(module, dwarf, GetUnits(*m_debug_names_up)) {}
DWARFDebugInfo &m_debug_info;
// LLVM DWARFDebugNames will hold a non-owning reference to this data, so keep
// track of the ownership here.
DWARFDataExtractor m_debug_names_data;
DWARFDataExtractor m_debug_str_data;
using DebugNames = llvm::DWARFDebugNames;
std::unique_ptr<DebugNames> m_debug_names_up;
ManualDWARFIndex m_fallback;
std::optional<DIERef> ToDIERef(const DebugNames::Entry &entry);
bool ProcessEntry(const DebugNames::Entry &entry,
llvm::function_ref<bool(DWARFDIE die)> callback);
static void MaybeLogLookupError(llvm::Error error,
const DebugNames::NameIndex &ni,
llvm::StringRef name);
static llvm::DenseSet<dw_offset_t> GetUnits(const DebugNames &debug_names);
};
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DEBUGNAMESDWARFINDEX_H
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