llvm/lldb/source/Plugins/SymbolFile/DWARF/AppleDWARFIndex.cpp

//===-- AppleDWARFIndex.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 "Plugins/SymbolFile/DWARF/AppleDWARFIndex.h"
#include "Plugins/SymbolFile/DWARF/DWARFDeclContext.h"
#include "Plugins/SymbolFile/DWARF/DWARFUnit.h"
#include "Plugins/SymbolFile/DWARF/LogChannelDWARF.h"

#include "lldb/Core/Module.h"
#include "lldb/Symbol/Function.h"
#include "llvm/Support/DJB.h"

usingnamespacelldb_private;
usingnamespacelldb;
usingnamespacelldb_private::dwarf;
usingnamespacelldb_private::plugin::dwarf;

std::unique_ptr<AppleDWARFIndex> AppleDWARFIndex::Create(
    Module &module, DWARFDataExtractor apple_names,
    DWARFDataExtractor apple_namespaces, DWARFDataExtractor apple_types,
    DWARFDataExtractor apple_objc, DWARFDataExtractor debug_str) { … }

/// Returns true if `tag` is a class_type of structure_type tag.
static bool IsClassOrStruct(dw_tag_t tag) { … }

/// Returns true if `entry` has an extractable DW_ATOM_qual_name_hash and it
/// matches `expected_hash`.
static bool
EntryHasMatchingQualhash(const llvm::AppleAcceleratorTable::Entry &entry,
                         uint32_t expected_hash) { … }

/// Returns true if `entry` has an extractable DW_ATOM_die_tag and it matches
/// `expected_tag`. We also consider it a match if the tags are different but
/// in the set of {TAG_class_type, TAG_struct_type}.
static bool EntryHasMatchingTag(const llvm::AppleAcceleratorTable::Entry &entry,
                                dw_tag_t expected_tag) { … }

/// Returns true if `entry` has an extractable DW_ATOM_type_flags and the flag
/// "DW_FLAG_type_implementation" is set.
static bool
HasImplementationFlag(const llvm::AppleAcceleratorTable::Entry &entry) { … }

void AppleDWARFIndex::SearchFor(const llvm::AppleAcceleratorTable &table,
                                llvm::StringRef name,
                                llvm::function_ref<bool(DWARFDIE die)> callback,
                                std::optional<dw_tag_t> search_for_tag,
                                std::optional<uint32_t> search_for_qualhash) { … }

void AppleDWARFIndex::GetGlobalVariables(
    ConstString basename, llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetGlobalVariables(
    const RegularExpression &regex,
    llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetGlobalVariables(
    DWARFUnit &cu, llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetObjCMethods(
    ConstString class_name, llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetCompleteObjCClass(
    ConstString class_name, bool must_be_implementation,
    llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetTypes(
    ConstString name, llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetTypes(
    const DWARFDeclContext &context,
    llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetNamespaces(
    ConstString name, llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetFunctions(
    const Module::LookupInfo &lookup_info, SymbolFileDWARF &dwarf,
    const CompilerDeclContext &parent_decl_ctx,
    llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::GetFunctions(
    const RegularExpression &regex,
    llvm::function_ref<bool(DWARFDIE die)> callback) { … }

void AppleDWARFIndex::Dump(Stream &s) { … }