diff options
Diffstat (limited to 'lldb/source/DataFormatters/NSDictionary.cpp')
-rw-r--r-- | lldb/source/DataFormatters/NSDictionary.cpp | 703 |
1 files changed, 0 insertions, 703 deletions
diff --git a/lldb/source/DataFormatters/NSDictionary.cpp b/lldb/source/DataFormatters/NSDictionary.cpp deleted file mode 100644 index 0de0cbdc96a..00000000000 --- a/lldb/source/DataFormatters/NSDictionary.cpp +++ /dev/null @@ -1,703 +0,0 @@ -//===-- NSDictionary.cpp ------------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -#include "lldb/DataFormatters/Cocoa.h" - -#include "lldb/Core/DataBufferHeap.h" -#include "lldb/Core/Error.h" -#include "lldb/Core/Stream.h" -#include "lldb/Core/ValueObject.h" -#include "lldb/Core/ValueObjectConstResult.h" -#include "lldb/DataFormatters/FormattersHelpers.h" -#include "lldb/Host/Endian.h" -#include "lldb/Symbol/ClangASTContext.h" -#include "lldb/Target/ObjCLanguageRuntime.h" -#include "lldb/Target/Target.h" - -#include "clang/AST/DeclCXX.h" - -using namespace lldb; -using namespace lldb_private; -using namespace lldb_private::formatters; - -static CompilerType -GetLLDBNSPairType (TargetSP target_sp) -{ - CompilerType clang_type; - - ClangASTContext *target_ast_context = target_sp->GetScratchClangASTContext(); - - if (target_ast_context) - { - ConstString g___lldb_autogen_nspair("__lldb_autogen_nspair"); - - clang_type = target_ast_context->GetTypeForIdentifier<clang::CXXRecordDecl>(g___lldb_autogen_nspair); - - if (!clang_type) - { - clang_type = target_ast_context->CreateRecordType(NULL, lldb::eAccessPublic, g___lldb_autogen_nspair.GetCString(), clang::TTK_Struct, lldb::eLanguageTypeC); - - if (clang_type) - { - ClangASTContext::StartTagDeclarationDefinition(clang_type); - CompilerType id_clang_type = target_ast_context->GetBasicType (eBasicTypeObjCID); - ClangASTContext::AddFieldToRecordType(clang_type, "key", id_clang_type, lldb::eAccessPublic, 0); - ClangASTContext::AddFieldToRecordType(clang_type, "value", id_clang_type, lldb::eAccessPublic, 0); - ClangASTContext::CompleteTagDeclarationDefinition(clang_type); - } - } - } - return clang_type; -} - -namespace lldb_private { - namespace formatters { - class NSDictionaryISyntheticFrontEnd : public SyntheticChildrenFrontEnd - { - private: - struct DataDescriptor_32 - { - uint32_t _used : 26; - uint32_t _szidx : 6; - }; - struct DataDescriptor_64 - { - uint64_t _used : 58; - uint32_t _szidx : 6; - }; - - struct DictionaryItemDescriptor - { - lldb::addr_t key_ptr; - lldb::addr_t val_ptr; - lldb::ValueObjectSP valobj_sp; - }; - - public: - NSDictionaryISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp); - - virtual size_t - CalculateNumChildren (); - - virtual lldb::ValueObjectSP - GetChildAtIndex (size_t idx); - - virtual bool - Update(); - - virtual bool - MightHaveChildren (); - - virtual size_t - GetIndexOfChildWithName (const ConstString &name); - - virtual - ~NSDictionaryISyntheticFrontEnd (); - private: - ExecutionContextRef m_exe_ctx_ref; - uint8_t m_ptr_size; - lldb::ByteOrder m_order; - DataDescriptor_32 *m_data_32; - DataDescriptor_64 *m_data_64; - lldb::addr_t m_data_ptr; - CompilerType m_pair_type; - std::vector<DictionaryItemDescriptor> m_children; - }; - - class NSDictionaryMSyntheticFrontEnd : public SyntheticChildrenFrontEnd - { - private: - struct DataDescriptor_32 - { - uint32_t _used : 26; - uint32_t _kvo : 1; - uint32_t _size; - uint32_t _mutations; - uint32_t _objs_addr; - uint32_t _keys_addr; - }; - struct DataDescriptor_64 - { - uint64_t _used : 58; - uint32_t _kvo : 1; - uint64_t _size; - uint64_t _mutations; - uint64_t _objs_addr; - uint64_t _keys_addr; - }; - struct DictionaryItemDescriptor - { - lldb::addr_t key_ptr; - lldb::addr_t val_ptr; - lldb::ValueObjectSP valobj_sp; - }; - public: - NSDictionaryMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp); - - virtual size_t - CalculateNumChildren (); - - virtual lldb::ValueObjectSP - GetChildAtIndex (size_t idx); - - virtual bool - Update(); - - virtual bool - MightHaveChildren (); - - virtual size_t - GetIndexOfChildWithName (const ConstString &name); - - virtual - ~NSDictionaryMSyntheticFrontEnd (); - private: - ExecutionContextRef m_exe_ctx_ref; - uint8_t m_ptr_size; - lldb::ByteOrder m_order; - DataDescriptor_32 *m_data_32; - DataDescriptor_64 *m_data_64; - CompilerType m_pair_type; - std::vector<DictionaryItemDescriptor> m_children; - }; - - class NSDictionaryCodeRunningSyntheticFrontEnd : public SyntheticChildrenFrontEnd - { - public: - NSDictionaryCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp); - - virtual size_t - CalculateNumChildren (); - - virtual lldb::ValueObjectSP - GetChildAtIndex (size_t idx); - - virtual bool - Update(); - - virtual bool - MightHaveChildren (); - - virtual size_t - GetIndexOfChildWithName (const ConstString &name); - - virtual - ~NSDictionaryCodeRunningSyntheticFrontEnd (); - }; - } -} - -template<bool name_entries> -bool -lldb_private::formatters::NSDictionarySummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options) -{ - ProcessSP process_sp = valobj.GetProcessSP(); - if (!process_sp) - return false; - - ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); - - if (!runtime) - return false; - - ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj)); - - if (!descriptor.get() || !descriptor->IsValid()) - return false; - - uint32_t ptr_size = process_sp->GetAddressByteSize(); - bool is_64bit = (ptr_size == 8); - - lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0); - - if (!valobj_addr) - return false; - - uint64_t value = 0; - - const char* class_name = descriptor->GetClassName().GetCString(); - - if (!class_name || !*class_name) - return false; - - if (!strcmp(class_name,"__NSDictionaryI")) - { - Error error; - value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); - if (error.Fail()) - return false; - value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U); - } - else if (!strcmp(class_name,"__NSDictionaryM")) - { - Error error; - value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error); - if (error.Fail()) - return false; - value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U); - } - /*else if (!strcmp(class_name,"__NSCFDictionary")) - { - Error error; - value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + (is_64bit ? 20 : 12), 4, 0, error); - if (error.Fail()) - return false; - if (is_64bit) - value &= ~0x0f1f000000000000UL; - }*/ - else - { - if (!ExtractValueFromObjCExpression(valobj, "int", "count", value)) - return false; - } - - stream.Printf("%s%" PRIu64 " %s%s", - (name_entries ? "@\"" : ""), - value, - (name_entries ? (value == 1 ? "entry" : "entries") : (value == 1 ? "key/value pair" : "key/value pairs")), - (name_entries ? "\"" : "")); - return true; -} - -SyntheticChildrenFrontEnd* lldb_private::formatters::NSDictionarySyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) -{ - - lldb::ProcessSP process_sp (valobj_sp->GetProcessSP()); - if (!process_sp) - return NULL; - ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC); - if (!runtime) - return NULL; - - if (!valobj_sp->IsPointerType()) - { - Error error; - valobj_sp = valobj_sp->AddressOf(error); - if (error.Fail() || !valobj_sp) - return NULL; - } - - ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get())); - - if (!descriptor.get() || !descriptor->IsValid()) - return NULL; - - const char* class_name = descriptor->GetClassName().GetCString(); - - if (!class_name || !*class_name) - return NULL; - - if (!strcmp(class_name,"__NSDictionaryI")) - { - return (new NSDictionaryISyntheticFrontEnd(valobj_sp)); - } - else if (!strcmp(class_name,"__NSDictionaryM")) - { - return (new NSDictionaryMSyntheticFrontEnd(valobj_sp)); - } - else - { - return (new NSDictionaryCodeRunningSyntheticFrontEnd(valobj_sp)); - } -} - -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::NSDictionaryCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : -SyntheticChildrenFrontEnd(*valobj_sp.get()) -{} - -size_t -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::CalculateNumChildren () -{ - uint64_t count = 0; - if (ExtractValueFromObjCExpression(m_backend, "int", "count", count)) - return count; - return 0; -} - -lldb::ValueObjectSP -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::GetChildAtIndex (size_t idx) -{ - StreamString idx_name; - idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx); - StreamString key_fetcher_expr; - key_fetcher_expr.Printf("(id)[(NSArray*)[(id)0x%" PRIx64 " allKeys] objectAtIndex:%" PRIu64 "]", m_backend.GetPointerValue(), (uint64_t)idx); - StreamString value_fetcher_expr; - value_fetcher_expr.Printf("(id)[(id)0x%" PRIx64 " objectForKey:(%s)]",m_backend.GetPointerValue(),key_fetcher_expr.GetData()); - StreamString object_fetcher_expr; - object_fetcher_expr.Printf("struct __lldb_autogen_nspair { id key; id value; } _lldb_valgen_item; _lldb_valgen_item.key = %s; _lldb_valgen_item.value = %s; _lldb_valgen_item;",key_fetcher_expr.GetData(),value_fetcher_expr.GetData()); - lldb::ValueObjectSP child_sp; - EvaluateExpressionOptions options; - options.SetKeepInMemory(true); - m_backend.GetTargetSP()->EvaluateExpression(object_fetcher_expr.GetData(), - GetViableFrame(m_backend.GetTargetSP().get()), - child_sp, - options); - if (child_sp) - child_sp->SetName(ConstString(idx_name.GetData())); - return child_sp; -} - -bool -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::Update() -{ - return false; -} - -bool -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::MightHaveChildren () -{ - return true; -} - -size_t -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) -{ - return 0; -} - -lldb_private::formatters::NSDictionaryCodeRunningSyntheticFrontEnd::~NSDictionaryCodeRunningSyntheticFrontEnd () -{} - -lldb_private::formatters::NSDictionaryISyntheticFrontEnd::NSDictionaryISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : -SyntheticChildrenFrontEnd(*valobj_sp.get()), -m_exe_ctx_ref(), -m_ptr_size(8), -m_order(lldb::eByteOrderInvalid), -m_data_32(NULL), -m_data_64(NULL), -m_pair_type() -{ -} - -lldb_private::formatters::NSDictionaryISyntheticFrontEnd::~NSDictionaryISyntheticFrontEnd () -{ - delete m_data_32; - m_data_32 = NULL; - delete m_data_64; - m_data_64 = NULL; -} - -size_t -lldb_private::formatters::NSDictionaryISyntheticFrontEnd::GetIndexOfChildWithName (const 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 = NULL; - delete m_data_64; - m_data_64 = NULL; - m_ptr_size = 0; - ValueObjectSP valobj_sp = m_backend.GetSP(); - if (!valobj_sp) - return false; - m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); - Error 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(); - Error 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.GetData(), - data, - m_exe_ctx_ref, - m_pair_type); - } - return dict_item.valobj_sp; -} - -lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::NSDictionaryMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : -SyntheticChildrenFrontEnd(*valobj_sp.get()), -m_exe_ctx_ref(), -m_ptr_size(8), -m_order(lldb::eByteOrderInvalid), -m_data_32(NULL), -m_data_64(NULL), -m_pair_type() -{ -} - -lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::~NSDictionaryMSyntheticFrontEnd () -{ - delete m_data_32; - m_data_32 = NULL; - delete m_data_64; - m_data_64 = NULL; -} - -size_t -lldb_private::formatters::NSDictionaryMSyntheticFrontEnd::GetIndexOfChildWithName (const 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::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::NSDictionaryMSyntheticFrontEnd::Update() -{ - m_children.clear(); - ValueObjectSP valobj_sp = m_backend.GetSP(); - m_ptr_size = 0; - delete m_data_32; - m_data_32 = NULL; - delete m_data_64; - m_data_64 = NULL; - if (!valobj_sp) - return false; - m_exe_ctx_ref = valobj_sp->GetExecutionContextRef(); - Error 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::NSDictionaryMSyntheticFrontEnd::MightHaveChildren () -{ - return true; -} - -lldb::ValueObjectSP -lldb_private::formatters::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(); - Error 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.GetData(), - 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&) ; |