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1235 lines
38 KiB
1235 lines
38 KiB
4 months ago
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//===-- NSDictionary.cpp --------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include <mutex>
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#include "clang/AST/DeclCXX.h"
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#include "CFBasicHash.h"
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#include "NSDictionary.h"
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#include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h"
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#include "Plugins/TypeSystem/Clang/TypeSystemClang.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Core/ValueObjectConstResult.h"
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#include "lldb/DataFormatters/FormattersHelpers.h"
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#include "lldb/Target/Language.h"
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#include "lldb/Target/StackFrame.h"
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#include "lldb/Target/Target.h"
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#include "lldb/Utility/DataBufferHeap.h"
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#include "lldb/Utility/Endian.h"
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#include "lldb/Utility/Status.h"
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#include "lldb/Utility/Stream.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace lldb_private::formatters;
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NSDictionary_Additionals::AdditionalFormatterMatching::Prefix::Prefix(
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ConstString p)
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: m_prefix(p) {}
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bool NSDictionary_Additionals::AdditionalFormatterMatching::Prefix::Match(
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ConstString class_name) {
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return class_name.GetStringRef().startswith(m_prefix.GetStringRef());
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}
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NSDictionary_Additionals::AdditionalFormatterMatching::Full::Full(ConstString n)
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: m_name(n) {}
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bool NSDictionary_Additionals::AdditionalFormatterMatching::Full::Match(
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ConstString class_name) {
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return (class_name == m_name);
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}
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NSDictionary_Additionals::AdditionalFormatters<
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CXXFunctionSummaryFormat::Callback> &
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NSDictionary_Additionals::GetAdditionalSummaries() {
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static AdditionalFormatters<CXXFunctionSummaryFormat::Callback> g_map;
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return g_map;
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}
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NSDictionary_Additionals::AdditionalFormatters<
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CXXSyntheticChildren::CreateFrontEndCallback> &
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NSDictionary_Additionals::GetAdditionalSynthetics() {
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static AdditionalFormatters<CXXSyntheticChildren::CreateFrontEndCallback>
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g_map;
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return g_map;
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}
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static CompilerType GetLLDBNSPairType(TargetSP target_sp) {
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CompilerType compiler_type;
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TypeSystemClang *target_ast_context =
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ScratchTypeSystemClang::GetForTarget(*target_sp);
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if (target_ast_context) {
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ConstString g___lldb_autogen_nspair("__lldb_autogen_nspair");
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compiler_type =
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target_ast_context->GetTypeForIdentifier<clang::CXXRecordDecl>(
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g___lldb_autogen_nspair);
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if (!compiler_type) {
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compiler_type = target_ast_context->CreateRecordType(
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nullptr, OptionalClangModuleID(), lldb::eAccessPublic,
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g___lldb_autogen_nspair.GetCString(), clang::TTK_Struct,
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lldb::eLanguageTypeC);
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if (compiler_type) {
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TypeSystemClang::StartTagDeclarationDefinition(compiler_type);
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CompilerType id_compiler_type =
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target_ast_context->GetBasicType(eBasicTypeObjCID);
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TypeSystemClang::AddFieldToRecordType(
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compiler_type, "key", id_compiler_type, lldb::eAccessPublic, 0);
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TypeSystemClang::AddFieldToRecordType(
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compiler_type, "value", id_compiler_type, lldb::eAccessPublic, 0);
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TypeSystemClang::CompleteTagDeclarationDefinition(compiler_type);
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}
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}
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}
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return compiler_type;
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}
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namespace lldb_private {
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namespace formatters {
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class NSDictionaryISyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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NSDictionaryISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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~NSDictionaryISyntheticFrontEnd() override;
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size_t CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
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bool Update() override;
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bool MightHaveChildren() override;
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size_t GetIndexOfChildWithName(ConstString name) override;
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private:
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struct DataDescriptor_32 {
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uint32_t _used : 26;
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uint32_t _szidx : 6;
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};
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struct DataDescriptor_64 {
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uint64_t _used : 58;
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uint32_t _szidx : 6;
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};
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struct DictionaryItemDescriptor {
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lldb::addr_t key_ptr;
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lldb::addr_t val_ptr;
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lldb::ValueObjectSP valobj_sp;
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};
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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lldb::ByteOrder m_order;
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DataDescriptor_32 *m_data_32;
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DataDescriptor_64 *m_data_64;
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lldb::addr_t m_data_ptr;
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CompilerType m_pair_type;
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std::vector<DictionaryItemDescriptor> m_children;
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};
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class NSCFDictionarySyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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NSCFDictionarySyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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size_t CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
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bool Update() override;
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bool MightHaveChildren() override;
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size_t GetIndexOfChildWithName(ConstString name) override;
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private:
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struct DictionaryItemDescriptor {
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lldb::addr_t key_ptr;
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lldb::addr_t val_ptr;
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lldb::ValueObjectSP valobj_sp;
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};
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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lldb::ByteOrder m_order;
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CFBasicHash m_hashtable;
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CompilerType m_pair_type;
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std::vector<DictionaryItemDescriptor> m_children;
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};
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class NSDictionary1SyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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NSDictionary1SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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~NSDictionary1SyntheticFrontEnd() override = default;
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size_t CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
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bool Update() override;
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bool MightHaveChildren() override;
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size_t GetIndexOfChildWithName(ConstString name) override;
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private:
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ValueObjectSP m_pair;
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};
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template <typename D32, typename D64>
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class GenericNSDictionaryMSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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GenericNSDictionaryMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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~GenericNSDictionaryMSyntheticFrontEnd() override;
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size_t CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
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bool Update() override;
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bool MightHaveChildren() override;
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size_t GetIndexOfChildWithName(ConstString name) override;
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private:
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struct DictionaryItemDescriptor {
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lldb::addr_t key_ptr;
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lldb::addr_t val_ptr;
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lldb::ValueObjectSP valobj_sp;
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};
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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lldb::ByteOrder m_order;
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D32 *m_data_32;
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D64 *m_data_64;
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CompilerType m_pair_type;
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std::vector<DictionaryItemDescriptor> m_children;
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};
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namespace Foundation1100 {
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class NSDictionaryMSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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NSDictionaryMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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~NSDictionaryMSyntheticFrontEnd() override;
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size_t CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
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bool Update() override;
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bool MightHaveChildren() override;
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size_t GetIndexOfChildWithName(ConstString name) override;
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private:
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struct DataDescriptor_32 {
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uint32_t _used : 26;
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uint32_t _kvo : 1;
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uint32_t _size;
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uint32_t _mutations;
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uint32_t _objs_addr;
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uint32_t _keys_addr;
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};
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struct DataDescriptor_64 {
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uint64_t _used : 58;
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uint32_t _kvo : 1;
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uint64_t _size;
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uint64_t _mutations;
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uint64_t _objs_addr;
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uint64_t _keys_addr;
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};
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struct DictionaryItemDescriptor {
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lldb::addr_t key_ptr;
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lldb::addr_t val_ptr;
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lldb::ValueObjectSP valobj_sp;
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};
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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lldb::ByteOrder m_order;
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DataDescriptor_32 *m_data_32;
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DataDescriptor_64 *m_data_64;
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CompilerType m_pair_type;
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std::vector<DictionaryItemDescriptor> m_children;
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};
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}
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namespace Foundation1428 {
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namespace {
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struct DataDescriptor_32 {
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uint32_t _used : 26;
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uint32_t _kvo : 1;
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uint32_t _size;
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uint32_t _buffer;
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uint64_t GetSize() { return _size; }
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};
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struct DataDescriptor_64 {
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uint64_t _used : 58;
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uint32_t _kvo : 1;
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uint64_t _size;
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uint64_t _buffer;
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uint64_t GetSize() { return _size; }
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};
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}
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using NSDictionaryMSyntheticFrontEnd =
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GenericNSDictionaryMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
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}
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namespace Foundation1437 {
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namespace {
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static const uint64_t NSDictionaryCapacities[] = {
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0, 3, 7, 13, 23, 41, 71, 127, 191, 251, 383, 631, 1087, 1723,
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2803, 4523, 7351, 11959, 19447, 31231, 50683, 81919, 132607,
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214519, 346607, 561109, 907759, 1468927, 2376191, 3845119,
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6221311, 10066421, 16287743, 26354171, 42641881, 68996069,
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111638519, 180634607, 292272623, 472907251
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};
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static const size_t NSDictionaryNumSizeBuckets =
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sizeof(NSDictionaryCapacities) / sizeof(uint64_t);
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struct DataDescriptor_32 {
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uint32_t _buffer;
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uint32_t _muts;
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uint32_t _used : 25;
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uint32_t _kvo : 1;
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uint32_t _szidx : 6;
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uint64_t GetSize() {
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return (_szidx) >= NSDictionaryNumSizeBuckets ?
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0 : NSDictionaryCapacities[_szidx];
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}
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};
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struct DataDescriptor_64 {
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uint64_t _buffer;
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uint32_t _muts;
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uint32_t _used : 25;
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uint32_t _kvo : 1;
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uint32_t _szidx : 6;
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uint64_t GetSize() {
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return (_szidx) >= NSDictionaryNumSizeBuckets ?
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0 : NSDictionaryCapacities[_szidx];
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}
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};
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}
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using NSDictionaryMSyntheticFrontEnd =
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GenericNSDictionaryMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
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template <typename DD>
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uint64_t
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__NSDictionaryMSize_Impl(lldb_private::Process &process,
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lldb::addr_t valobj_addr, Status &error) {
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const lldb::addr_t start_of_descriptor =
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valobj_addr + process.GetAddressByteSize();
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DD descriptor = DD();
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process.ReadMemory(start_of_descriptor, &descriptor, sizeof(descriptor),
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error);
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if (error.Fail()) {
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return 0;
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}
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return descriptor._used;
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}
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uint64_t
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__NSDictionaryMSize(lldb_private::Process &process, lldb::addr_t valobj_addr,
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Status &error) {
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if (process.GetAddressByteSize() == 4) {
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return __NSDictionaryMSize_Impl<DataDescriptor_32>(process, valobj_addr,
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error);
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} else {
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return __NSDictionaryMSize_Impl<DataDescriptor_64>(process, valobj_addr,
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error);
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}
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}
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}
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} // namespace formatters
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} // namespace lldb_private
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template <bool name_entries>
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bool lldb_private::formatters::NSDictionarySummaryProvider(
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ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
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||
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static ConstString g_TypeHint("NSDictionary");
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ProcessSP process_sp = valobj.GetProcessSP();
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|
if (!process_sp)
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return false;
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||
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||
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ObjCLanguageRuntime *runtime = ObjCLanguageRuntime::Get(*process_sp);
|
||
|
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||
|
if (!runtime)
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return false;
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||
|
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||
|
ObjCLanguageRuntime::ClassDescriptorSP descriptor(
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runtime->GetNonKVOClassDescriptor(valobj));
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||
|
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||
|
if (!descriptor || !descriptor->IsValid())
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return false;
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||
|
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||
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uint32_t ptr_size = process_sp->GetAddressByteSize();
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bool is_64bit = (ptr_size == 8);
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lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
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||
|
if (!valobj_addr)
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return false;
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||
|
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||
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uint64_t value = 0;
|
||
|
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||
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ConstString class_name(descriptor->GetClassName());
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||
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||
|
static const ConstString g_DictionaryI("__NSDictionaryI");
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||
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static const ConstString g_DictionaryM("__NSDictionaryM");
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||
|
static const ConstString g_DictionaryMLegacy("__NSDictionaryM_Legacy");
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||
|
static const ConstString g_DictionaryMImmutable("__NSDictionaryM_Immutable");
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||
|
static const ConstString g_Dictionary1("__NSSingleEntryDictionaryI");
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||
|
static const ConstString g_Dictionary0("__NSDictionary0");
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||
|
static const ConstString g_DictionaryCF("__CFDictionary");
|
||
|
static const ConstString g_DictionaryNSCF("__NSCFDictionary");
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||
|
static const ConstString g_DictionaryCFRef("CFDictionaryRef");
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||
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||
|
if (class_name.IsEmpty())
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return false;
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||
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||
|
if (class_name == g_DictionaryI || class_name == g_DictionaryMImmutable) {
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||
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Status error;
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||
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
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||
|
ptr_size, 0, error);
|
||
|
if (error.Fail())
|
||
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return false;
|
||
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||
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value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
|
||
|
} else if (class_name == g_DictionaryM || class_name == g_DictionaryMLegacy) {
|
||
|
AppleObjCRuntime *apple_runtime =
|
||
|
llvm::dyn_cast_or_null<AppleObjCRuntime>(runtime);
|
||
|
Status error;
|
||
|
if (apple_runtime && apple_runtime->GetFoundationVersion() >= 1437) {
|
||
|
value = Foundation1437::__NSDictionaryMSize(*process_sp, valobj_addr,
|
||
|
error);
|
||
|
} else {
|
||
|
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
|
||
|
ptr_size, 0, error);
|
||
|
value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
|
||
|
}
|
||
|
if (error.Fail())
|
||
|
return false;
|
||
|
} else if (class_name == g_Dictionary1) {
|
||
|
value = 1;
|
||
|
} else if (class_name == g_Dictionary0) {
|
||
|
value = 0;
|
||
|
} else if (class_name == g_DictionaryCF ||
|
||
|
class_name == g_DictionaryNSCF ||
|
||
|
class_name == g_DictionaryCFRef) {
|
||
|
ExecutionContext exe_ctx(process_sp);
|
||
|
CFBasicHash cfbh;
|
||
|
if (!cfbh.Update(valobj_addr, exe_ctx))
|
||
|
return false;
|
||
|
value = cfbh.GetCount();
|
||
|
} else {
|
||
|
auto &map(NSDictionary_Additionals::GetAdditionalSummaries());
|
||
|
for (auto &candidate : map) {
|
||
|
if (candidate.first && candidate.first->Match(class_name))
|
||
|
return candidate.second(valobj, stream, options);
|
||
|
}
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
std::string prefix, suffix;
|
||
|
if (Language *language = Language::FindPlugin(options.GetLanguage())) {
|
||
|
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
|
||
|
suffix)) {
|
||
|
prefix.clear();
|
||
|
suffix.clear();
|
||
|
}
|
||
|
}
|
||
|
|
||
|
stream.Printf("%s%" PRIu64 " %s%s%s", prefix.c_str(), value, "key/value pair",
|
||
|
value == 1 ? "" : "s", suffix.c_str());
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
SyntheticChildrenFrontEnd *
|
||
|
lldb_private::formatters::NSDictionarySyntheticFrontEndCreator(
|
||
|
CXXSyntheticChildren *synth, lldb::ValueObjectSP valobj_sp) {
|
||
|
lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return nullptr;
|
||
|
AppleObjCRuntime *runtime = llvm::dyn_cast_or_null<AppleObjCRuntime>(
|
||
|
ObjCLanguageRuntime::Get(*process_sp));
|
||
|
if (!runtime)
|
||
|
return nullptr;
|
||
|
|
||
|
CompilerType valobj_type(valobj_sp->GetCompilerType());
|
||
|
Flags flags(valobj_type.GetTypeInfo());
|
||
|
|
||
|
if (flags.IsClear(eTypeIsPointer)) {
|
||
|
Status error;
|
||
|
valobj_sp = valobj_sp->AddressOf(error);
|
||
|
if (error.Fail() || !valobj_sp)
|
||
|
return nullptr;
|
||
|
}
|
||
|
|
||
|
ObjCLanguageRuntime::ClassDescriptorSP descriptor(
|
||
|
runtime->GetClassDescriptor(*valobj_sp));
|
||
|
|
||
|
if (!descriptor || !descriptor->IsValid())
|
||
|
return nullptr;
|
||
|
|
||
|
ConstString class_name(descriptor->GetClassName());
|
||
|
|
||
|
static const ConstString g_DictionaryI("__NSDictionaryI");
|
||
|
static const ConstString g_DictionaryM("__NSDictionaryM");
|
||
|
static const ConstString g_Dictionary1("__NSSingleEntryDictionaryI");
|
||
|
static const ConstString g_DictionaryImmutable("__NSDictionaryM_Immutable");
|
||
|
static const ConstString g_DictionaryMLegacy("__NSDictionaryM_Legacy");
|
||
|
static const ConstString g_Dictionary0("__NSDictionary0");
|
||
|
static const ConstString g_DictionaryCF("__CFDictionary");
|
||
|
static const ConstString g_DictionaryNSCF("__NSCFDictionary");
|
||
|
static const ConstString g_DictionaryCFRef("CFDictionaryRef");
|
||
|
|
||
|
if (class_name.IsEmpty())
|
||
|
return nullptr;
|
||
|
|
||
|
if (class_name == g_DictionaryI) {
|
||
|
return (new NSDictionaryISyntheticFrontEnd(valobj_sp));
|
||
|
} else if (class_name == g_DictionaryM) {
|
||
|
if (runtime->GetFoundationVersion() >= 1437) {
|
||
|
return (new Foundation1437::NSDictionaryMSyntheticFrontEnd(valobj_sp));
|
||
|
} else if (runtime->GetFoundationVersion() >= 1428) {
|
||
|
return (new Foundation1428::NSDictionaryMSyntheticFrontEnd(valobj_sp));
|
||
|
} else {
|
||
|
return (new Foundation1100::NSDictionaryMSyntheticFrontEnd(valobj_sp));
|
||
|
}
|
||
|
} else if (class_name == g_DictionaryMLegacy) {
|
||
|
return (new Foundation1100::NSDictionaryMSyntheticFrontEnd(valobj_sp));
|
||
|
} else if (class_name == g_Dictionary1) {
|
||
|
return (new NSDictionary1SyntheticFrontEnd(valobj_sp));
|
||
|
} else if (class_name == g_DictionaryCF ||
|
||
|
class_name == g_DictionaryNSCF ||
|
||
|
class_name == g_DictionaryCFRef) {
|
||
|
return (new NSCFDictionarySyntheticFrontEnd(valobj_sp));
|
||
|
} else {
|
||
|
auto &map(NSDictionary_Additionals::GetAdditionalSynthetics());
|
||
|
for (auto &candidate : map) {
|
||
|
if (candidate.first && candidate.first->Match((class_name)))
|
||
|
return candidate.second(synth, valobj_sp);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return nullptr;
|
||
|
}
|
||
|
|
||
|
lldb_private::formatters::NSDictionaryISyntheticFrontEnd::
|
||
|
NSDictionaryISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
||
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
|
||
|
m_order(lldb::eByteOrderInvalid), m_data_32(nullptr), m_data_64(nullptr),
|
||
|
m_pair_type() {}
|
||
|
|
||
|
lldb_private::formatters::NSDictionaryISyntheticFrontEnd::
|
||
|
~NSDictionaryISyntheticFrontEnd() {
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
}
|
||
|
|
||
|
size_t lldb_private::formatters::NSDictionaryISyntheticFrontEnd::
|
||
|
GetIndexOfChildWithName(ConstString name) {
|
||
|
const char *item_name = name.GetCString();
|
||
|
uint32_t idx = ExtractIndexFromString(item_name);
|
||
|
if (idx < UINT32_MAX && idx >= CalculateNumChildren())
|
||
|
return UINT32_MAX;
|
||
|
return idx;
|
||
|
}
|
||
|
|
||
|
size_t lldb_private::formatters::NSDictionaryISyntheticFrontEnd::
|
||
|
CalculateNumChildren() {
|
||
|
if (!m_data_32 && !m_data_64)
|
||
|
return 0;
|
||
|
return (m_data_32 ? m_data_32->_used : m_data_64->_used);
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSDictionaryISyntheticFrontEnd::Update() {
|
||
|
m_children.clear();
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
m_ptr_size = 0;
|
||
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
||
|
if (!valobj_sp)
|
||
|
return false;
|
||
|
m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
|
||
|
Status error;
|
||
|
error.Clear();
|
||
|
lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return false;
|
||
|
m_ptr_size = process_sp->GetAddressByteSize();
|
||
|
m_order = process_sp->GetByteOrder();
|
||
|
uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
|
||
|
if (m_ptr_size == 4) {
|
||
|
m_data_32 = new DataDescriptor_32();
|
||
|
process_sp->ReadMemory(data_location, m_data_32, sizeof(DataDescriptor_32),
|
||
|
error);
|
||
|
} else {
|
||
|
m_data_64 = new DataDescriptor_64();
|
||
|
process_sp->ReadMemory(data_location, m_data_64, sizeof(DataDescriptor_64),
|
||
|
error);
|
||
|
}
|
||
|
if (error.Fail())
|
||
|
return false;
|
||
|
m_data_ptr = data_location + m_ptr_size;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSDictionaryISyntheticFrontEnd::
|
||
|
MightHaveChildren() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
lldb::ValueObjectSP
|
||
|
lldb_private::formatters::NSDictionaryISyntheticFrontEnd::GetChildAtIndex(
|
||
|
size_t idx) {
|
||
|
uint32_t num_children = CalculateNumChildren();
|
||
|
|
||
|
if (idx >= num_children)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
if (m_children.empty()) {
|
||
|
// do the scan phase
|
||
|
lldb::addr_t key_at_idx = 0, val_at_idx = 0;
|
||
|
|
||
|
uint32_t tries = 0;
|
||
|
uint32_t test_idx = 0;
|
||
|
|
||
|
while (tries < num_children) {
|
||
|
key_at_idx = m_data_ptr + (2 * test_idx * m_ptr_size);
|
||
|
val_at_idx = key_at_idx + m_ptr_size;
|
||
|
ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
||
|
if (!process_sp)
|
||
|
return lldb::ValueObjectSP();
|
||
|
Status error;
|
||
|
key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
test_idx++;
|
||
|
|
||
|
if (!key_at_idx || !val_at_idx)
|
||
|
continue;
|
||
|
tries++;
|
||
|
|
||
|
DictionaryItemDescriptor descriptor = {key_at_idx, val_at_idx,
|
||
|
lldb::ValueObjectSP()};
|
||
|
|
||
|
m_children.push_back(descriptor);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (idx >= m_children.size()) // should never happen
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
DictionaryItemDescriptor &dict_item = m_children[idx];
|
||
|
if (!dict_item.valobj_sp) {
|
||
|
if (!m_pair_type.IsValid()) {
|
||
|
TargetSP target_sp(m_backend.GetTargetSP());
|
||
|
if (!target_sp)
|
||
|
return ValueObjectSP();
|
||
|
m_pair_type = GetLLDBNSPairType(target_sp);
|
||
|
}
|
||
|
if (!m_pair_type.IsValid())
|
||
|
return ValueObjectSP();
|
||
|
|
||
|
DataBufferSP buffer_sp(new DataBufferHeap(2 * m_ptr_size, 0));
|
||
|
|
||
|
if (m_ptr_size == 8) {
|
||
|
uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
} else {
|
||
|
uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
}
|
||
|
|
||
|
StreamString idx_name;
|
||
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
||
|
DataExtractor data(buffer_sp, m_order, m_ptr_size);
|
||
|
dict_item.valobj_sp = CreateValueObjectFromData(idx_name.GetString(), data,
|
||
|
m_exe_ctx_ref, m_pair_type);
|
||
|
}
|
||
|
return dict_item.valobj_sp;
|
||
|
}
|
||
|
|
||
|
lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::
|
||
|
NSCFDictionarySyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
||
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
|
||
|
m_order(lldb::eByteOrderInvalid), m_hashtable(), m_pair_type() {}
|
||
|
|
||
|
size_t lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::
|
||
|
GetIndexOfChildWithName(ConstString name) {
|
||
|
const char *item_name = name.GetCString();
|
||
|
const uint32_t idx = ExtractIndexFromString(item_name);
|
||
|
if (idx < UINT32_MAX && idx >= CalculateNumChildren())
|
||
|
return UINT32_MAX;
|
||
|
return idx;
|
||
|
}
|
||
|
|
||
|
size_t lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::
|
||
|
CalculateNumChildren() {
|
||
|
if (!m_hashtable.IsValid())
|
||
|
return 0;
|
||
|
return m_hashtable.GetCount();
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::Update() {
|
||
|
m_children.clear();
|
||
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
||
|
m_ptr_size = 0;
|
||
|
if (!valobj_sp)
|
||
|
return false;
|
||
|
m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
|
||
|
|
||
|
lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return false;
|
||
|
m_ptr_size = process_sp->GetAddressByteSize();
|
||
|
m_order = process_sp->GetByteOrder();
|
||
|
return m_hashtable.Update(valobj_sp->GetValueAsUnsigned(0), m_exe_ctx_ref);
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::
|
||
|
MightHaveChildren() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
lldb::ValueObjectSP
|
||
|
lldb_private::formatters::NSCFDictionarySyntheticFrontEnd::GetChildAtIndex(
|
||
|
size_t idx) {
|
||
|
lldb::addr_t m_keys_ptr = m_hashtable.GetKeyPointer();
|
||
|
lldb::addr_t m_values_ptr = m_hashtable.GetValuePointer();
|
||
|
|
||
|
const uint32_t num_children = CalculateNumChildren();
|
||
|
|
||
|
if (idx >= num_children)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
if (m_children.empty()) {
|
||
|
ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
||
|
if (!process_sp)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
Status error;
|
||
|
lldb::addr_t key_at_idx = 0, val_at_idx = 0;
|
||
|
|
||
|
uint32_t tries = 0;
|
||
|
uint32_t test_idx = 0;
|
||
|
|
||
|
// Iterate over inferior memory, reading key/value pointers by shifting each
|
||
|
// cursor by test_index * m_ptr_size. Returns an empty ValueObject if a read
|
||
|
// fails, otherwise, continue until the number of tries matches the number
|
||
|
// of childen.
|
||
|
while (tries < num_children) {
|
||
|
key_at_idx = m_keys_ptr + (test_idx * m_ptr_size);
|
||
|
val_at_idx = m_values_ptr + (test_idx * m_ptr_size);
|
||
|
|
||
|
key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
test_idx++;
|
||
|
|
||
|
if (!key_at_idx || !val_at_idx)
|
||
|
continue;
|
||
|
tries++;
|
||
|
|
||
|
DictionaryItemDescriptor descriptor = {key_at_idx, val_at_idx,
|
||
|
lldb::ValueObjectSP()};
|
||
|
|
||
|
m_children.push_back(descriptor);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (idx >= m_children.size()) // should never happen
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
DictionaryItemDescriptor &dict_item = m_children[idx];
|
||
|
if (!dict_item.valobj_sp) {
|
||
|
if (!m_pair_type.IsValid()) {
|
||
|
TargetSP target_sp(m_backend.GetTargetSP());
|
||
|
if (!target_sp)
|
||
|
return ValueObjectSP();
|
||
|
m_pair_type = GetLLDBNSPairType(target_sp);
|
||
|
}
|
||
|
if (!m_pair_type.IsValid())
|
||
|
return ValueObjectSP();
|
||
|
|
||
|
DataBufferSP buffer_sp(new DataBufferHeap(2 * m_ptr_size, 0));
|
||
|
|
||
|
switch (m_ptr_size) {
|
||
|
case 0: // architecture has no clue - fail
|
||
|
return lldb::ValueObjectSP();
|
||
|
case 4: {
|
||
|
uint32_t *data_ptr = reinterpret_cast<uint32_t *>(buffer_sp->GetBytes());
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
} break;
|
||
|
case 8: {
|
||
|
uint64_t *data_ptr = reinterpret_cast<uint64_t *>(buffer_sp->GetBytes());
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
} break;
|
||
|
default:
|
||
|
lldbassert(false && "pointer size is not 4 nor 8");
|
||
|
}
|
||
|
|
||
|
StreamString idx_name;
|
||
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
||
|
DataExtractor data(buffer_sp, m_order, m_ptr_size);
|
||
|
dict_item.valobj_sp = CreateValueObjectFromData(idx_name.GetString(), data,
|
||
|
m_exe_ctx_ref, m_pair_type);
|
||
|
}
|
||
|
return dict_item.valobj_sp;
|
||
|
}
|
||
|
|
||
|
lldb_private::formatters::NSDictionary1SyntheticFrontEnd::
|
||
|
NSDictionary1SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
||
|
: SyntheticChildrenFrontEnd(*valobj_sp.get()), m_pair(nullptr) {}
|
||
|
|
||
|
size_t lldb_private::formatters::NSDictionary1SyntheticFrontEnd::
|
||
|
GetIndexOfChildWithName(ConstString name) {
|
||
|
static const ConstString g_zero("[0]");
|
||
|
return name == g_zero ? 0 : UINT32_MAX;
|
||
|
}
|
||
|
|
||
|
size_t lldb_private::formatters::NSDictionary1SyntheticFrontEnd::
|
||
|
CalculateNumChildren() {
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSDictionary1SyntheticFrontEnd::Update() {
|
||
|
m_pair.reset();
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool lldb_private::formatters::NSDictionary1SyntheticFrontEnd::
|
||
|
MightHaveChildren() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
lldb::ValueObjectSP
|
||
|
lldb_private::formatters::NSDictionary1SyntheticFrontEnd::GetChildAtIndex(
|
||
|
size_t idx) {
|
||
|
if (idx != 0)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
if (m_pair.get())
|
||
|
return m_pair;
|
||
|
|
||
|
auto process_sp(m_backend.GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return nullptr;
|
||
|
|
||
|
auto ptr_size = process_sp->GetAddressByteSize();
|
||
|
|
||
|
lldb::addr_t key_ptr =
|
||
|
m_backend.GetValueAsUnsigned(LLDB_INVALID_ADDRESS) + ptr_size;
|
||
|
lldb::addr_t value_ptr = key_ptr + ptr_size;
|
||
|
|
||
|
Status error;
|
||
|
|
||
|
lldb::addr_t value_at_idx = process_sp->ReadPointerFromMemory(key_ptr, error);
|
||
|
if (error.Fail())
|
||
|
return nullptr;
|
||
|
lldb::addr_t key_at_idx = process_sp->ReadPointerFromMemory(value_ptr, error);
|
||
|
if (error.Fail())
|
||
|
return nullptr;
|
||
|
|
||
|
auto pair_type =
|
||
|
GetLLDBNSPairType(process_sp->GetTarget().shared_from_this());
|
||
|
|
||
|
DataBufferSP buffer_sp(new DataBufferHeap(2 * ptr_size, 0));
|
||
|
|
||
|
if (ptr_size == 8) {
|
||
|
uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = key_at_idx;
|
||
|
*(data_ptr + 1) = value_at_idx;
|
||
|
} else {
|
||
|
uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = key_at_idx;
|
||
|
*(data_ptr + 1) = value_at_idx;
|
||
|
}
|
||
|
|
||
|
DataExtractor data(buffer_sp, process_sp->GetByteOrder(), ptr_size);
|
||
|
m_pair = CreateValueObjectFromData(
|
||
|
"[0]", data, m_backend.GetExecutionContextRef(), pair_type);
|
||
|
|
||
|
return m_pair;
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<D32,D64>::
|
||
|
GenericNSDictionaryMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
||
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
|
||
|
m_order(lldb::eByteOrderInvalid), m_data_32(nullptr), m_data_64(nullptr),
|
||
|
m_pair_type() {}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<D32,D64>::
|
||
|
~GenericNSDictionaryMSyntheticFrontEnd<D32,D64>() {
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
size_t lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<
|
||
|
D32, D64>::GetIndexOfChildWithName(ConstString name) {
|
||
|
const char *item_name = name.GetCString();
|
||
|
uint32_t idx = ExtractIndexFromString(item_name);
|
||
|
if (idx < UINT32_MAX && idx >= CalculateNumChildren())
|
||
|
return UINT32_MAX;
|
||
|
return idx;
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
size_t
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<D32,D64>::CalculateNumChildren() {
|
||
|
if (!m_data_32 && !m_data_64)
|
||
|
return 0;
|
||
|
return (m_data_32 ? m_data_32->_used : m_data_64->_used);
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
bool
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<D32,D64>::
|
||
|
Update() {
|
||
|
m_children.clear();
|
||
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
||
|
m_ptr_size = 0;
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
if (!valobj_sp)
|
||
|
return false;
|
||
|
m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
|
||
|
Status error;
|
||
|
error.Clear();
|
||
|
lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return false;
|
||
|
m_ptr_size = process_sp->GetAddressByteSize();
|
||
|
m_order = process_sp->GetByteOrder();
|
||
|
uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
|
||
|
if (m_ptr_size == 4) {
|
||
|
m_data_32 = new D32();
|
||
|
process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
|
||
|
error);
|
||
|
} else {
|
||
|
m_data_64 = new D64();
|
||
|
process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
|
||
|
error);
|
||
|
}
|
||
|
if (error.Fail())
|
||
|
return false;
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
bool
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<D32,D64>::
|
||
|
MightHaveChildren() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
template <typename D32, typename D64>
|
||
|
lldb::ValueObjectSP
|
||
|
lldb_private::formatters::GenericNSDictionaryMSyntheticFrontEnd<
|
||
|
D32, D64>::GetChildAtIndex(size_t idx) {
|
||
|
lldb::addr_t m_keys_ptr;
|
||
|
lldb::addr_t m_values_ptr;
|
||
|
if (m_data_32) {
|
||
|
uint32_t size = m_data_32->GetSize();
|
||
|
m_keys_ptr = m_data_32->_buffer;
|
||
|
m_values_ptr = m_data_32->_buffer + (m_ptr_size * size);
|
||
|
} else {
|
||
|
uint32_t size = m_data_64->GetSize();
|
||
|
m_keys_ptr = m_data_64->_buffer;
|
||
|
m_values_ptr = m_data_64->_buffer + (m_ptr_size * size);
|
||
|
}
|
||
|
|
||
|
uint32_t num_children = CalculateNumChildren();
|
||
|
|
||
|
if (idx >= num_children)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
if (m_children.empty()) {
|
||
|
// do the scan phase
|
||
|
lldb::addr_t key_at_idx = 0, val_at_idx = 0;
|
||
|
|
||
|
uint32_t tries = 0;
|
||
|
uint32_t test_idx = 0;
|
||
|
|
||
|
while (tries < num_children) {
|
||
|
key_at_idx = m_keys_ptr + (test_idx * m_ptr_size);
|
||
|
val_at_idx = m_values_ptr + (test_idx * m_ptr_size);
|
||
|
;
|
||
|
ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
||
|
if (!process_sp)
|
||
|
return lldb::ValueObjectSP();
|
||
|
Status error;
|
||
|
key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
test_idx++;
|
||
|
|
||
|
if (!key_at_idx || !val_at_idx)
|
||
|
continue;
|
||
|
tries++;
|
||
|
|
||
|
DictionaryItemDescriptor descriptor = {key_at_idx, val_at_idx,
|
||
|
lldb::ValueObjectSP()};
|
||
|
|
||
|
m_children.push_back(descriptor);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (idx >= m_children.size()) // should never happen
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
DictionaryItemDescriptor &dict_item = m_children[idx];
|
||
|
if (!dict_item.valobj_sp) {
|
||
|
if (!m_pair_type.IsValid()) {
|
||
|
TargetSP target_sp(m_backend.GetTargetSP());
|
||
|
if (!target_sp)
|
||
|
return ValueObjectSP();
|
||
|
m_pair_type = GetLLDBNSPairType(target_sp);
|
||
|
}
|
||
|
if (!m_pair_type.IsValid())
|
||
|
return ValueObjectSP();
|
||
|
|
||
|
DataBufferSP buffer_sp(new DataBufferHeap(2 * m_ptr_size, 0));
|
||
|
|
||
|
if (m_ptr_size == 8) {
|
||
|
uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
} else {
|
||
|
uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
}
|
||
|
|
||
|
StreamString idx_name;
|
||
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
||
|
DataExtractor data(buffer_sp, m_order, m_ptr_size);
|
||
|
dict_item.valobj_sp = CreateValueObjectFromData(idx_name.GetString(), data,
|
||
|
m_exe_ctx_ref, m_pair_type);
|
||
|
}
|
||
|
return dict_item.valobj_sp;
|
||
|
}
|
||
|
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::
|
||
|
NSDictionaryMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
|
||
|
: SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
|
||
|
m_order(lldb::eByteOrderInvalid), m_data_32(nullptr), m_data_64(nullptr),
|
||
|
m_pair_type() {}
|
||
|
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::~NSDictionaryMSyntheticFrontEnd() {
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
}
|
||
|
|
||
|
size_t
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::GetIndexOfChildWithName(ConstString name) {
|
||
|
const char *item_name = name.GetCString();
|
||
|
uint32_t idx = ExtractIndexFromString(item_name);
|
||
|
if (idx < UINT32_MAX && idx >= CalculateNumChildren())
|
||
|
return UINT32_MAX;
|
||
|
return idx;
|
||
|
}
|
||
|
|
||
|
size_t
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::CalculateNumChildren() {
|
||
|
if (!m_data_32 && !m_data_64)
|
||
|
return 0;
|
||
|
return (m_data_32 ? m_data_32->_used : m_data_64->_used);
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::Update() {
|
||
|
m_children.clear();
|
||
|
ValueObjectSP valobj_sp = m_backend.GetSP();
|
||
|
m_ptr_size = 0;
|
||
|
delete m_data_32;
|
||
|
m_data_32 = nullptr;
|
||
|
delete m_data_64;
|
||
|
m_data_64 = nullptr;
|
||
|
if (!valobj_sp)
|
||
|
return false;
|
||
|
m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
|
||
|
Status error;
|
||
|
error.Clear();
|
||
|
lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
|
||
|
if (!process_sp)
|
||
|
return false;
|
||
|
m_ptr_size = process_sp->GetAddressByteSize();
|
||
|
m_order = process_sp->GetByteOrder();
|
||
|
uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
|
||
|
if (m_ptr_size == 4) {
|
||
|
m_data_32 = new DataDescriptor_32();
|
||
|
process_sp->ReadMemory(data_location, m_data_32, sizeof(DataDescriptor_32),
|
||
|
error);
|
||
|
} else {
|
||
|
m_data_64 = new DataDescriptor_64();
|
||
|
process_sp->ReadMemory(data_location, m_data_64, sizeof(DataDescriptor_64),
|
||
|
error);
|
||
|
}
|
||
|
if (error.Fail())
|
||
|
return false;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
bool
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::MightHaveChildren() {
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
lldb::ValueObjectSP
|
||
|
lldb_private::formatters::Foundation1100::
|
||
|
NSDictionaryMSyntheticFrontEnd::GetChildAtIndex(size_t idx) {
|
||
|
lldb::addr_t m_keys_ptr =
|
||
|
(m_data_32 ? m_data_32->_keys_addr : m_data_64->_keys_addr);
|
||
|
lldb::addr_t m_values_ptr =
|
||
|
(m_data_32 ? m_data_32->_objs_addr : m_data_64->_objs_addr);
|
||
|
|
||
|
uint32_t num_children = CalculateNumChildren();
|
||
|
|
||
|
if (idx >= num_children)
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
if (m_children.empty()) {
|
||
|
// do the scan phase
|
||
|
lldb::addr_t key_at_idx = 0, val_at_idx = 0;
|
||
|
|
||
|
uint32_t tries = 0;
|
||
|
uint32_t test_idx = 0;
|
||
|
|
||
|
while (tries < num_children) {
|
||
|
key_at_idx = m_keys_ptr + (test_idx * m_ptr_size);
|
||
|
val_at_idx = m_values_ptr + (test_idx * m_ptr_size);
|
||
|
;
|
||
|
ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
||
|
if (!process_sp)
|
||
|
return lldb::ValueObjectSP();
|
||
|
Status error;
|
||
|
key_at_idx = process_sp->ReadPointerFromMemory(key_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
val_at_idx = process_sp->ReadPointerFromMemory(val_at_idx, error);
|
||
|
if (error.Fail())
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
test_idx++;
|
||
|
|
||
|
if (!key_at_idx || !val_at_idx)
|
||
|
continue;
|
||
|
tries++;
|
||
|
|
||
|
DictionaryItemDescriptor descriptor = {key_at_idx, val_at_idx,
|
||
|
lldb::ValueObjectSP()};
|
||
|
|
||
|
m_children.push_back(descriptor);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (idx >= m_children.size()) // should never happen
|
||
|
return lldb::ValueObjectSP();
|
||
|
|
||
|
DictionaryItemDescriptor &dict_item = m_children[idx];
|
||
|
if (!dict_item.valobj_sp) {
|
||
|
if (!m_pair_type.IsValid()) {
|
||
|
TargetSP target_sp(m_backend.GetTargetSP());
|
||
|
if (!target_sp)
|
||
|
return ValueObjectSP();
|
||
|
m_pair_type = GetLLDBNSPairType(target_sp);
|
||
|
}
|
||
|
if (!m_pair_type.IsValid())
|
||
|
return ValueObjectSP();
|
||
|
|
||
|
DataBufferSP buffer_sp(new DataBufferHeap(2 * m_ptr_size, 0));
|
||
|
|
||
|
if (m_ptr_size == 8) {
|
||
|
uint64_t *data_ptr = (uint64_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
} else {
|
||
|
uint32_t *data_ptr = (uint32_t *)buffer_sp->GetBytes();
|
||
|
*data_ptr = dict_item.key_ptr;
|
||
|
*(data_ptr + 1) = dict_item.val_ptr;
|
||
|
}
|
||
|
|
||
|
StreamString idx_name;
|
||
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
||
|
DataExtractor data(buffer_sp, m_order, m_ptr_size);
|
||
|
dict_item.valobj_sp = CreateValueObjectFromData(idx_name.GetString(), data,
|
||
|
m_exe_ctx_ref, m_pair_type);
|
||
|
}
|
||
|
return dict_item.valobj_sp;
|
||
|
}
|
||
|
|
||
|
template bool lldb_private::formatters::NSDictionarySummaryProvider<true>(
|
||
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|
||
|
|
||
|
template bool lldb_private::formatters::NSDictionarySummaryProvider<false>(
|
||
|
ValueObject &, Stream &, const TypeSummaryOptions &);
|