Initial import of lldb
Change-Id: Ib244e837bee349effa12b2ff6ffffbe3d730e929
This commit is contained in:
513
external/bsd/llvm/dist/lldb/source/DataFormatters/NSSet.cpp
vendored
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513
external/bsd/llvm/dist/lldb/source/DataFormatters/NSSet.cpp
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@@ -0,0 +1,513 @@
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//===-- NSSet.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/lldb-python.h"
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#include "lldb/DataFormatters/CXXFormatterFunctions.h"
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#include "lldb/Core/DataBufferHeap.h"
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#include "lldb/Core/Error.h"
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#include "lldb/Core/Stream.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/Host/Endian.h"
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#include "lldb/Symbol/ClangASTContext.h"
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#include "lldb/Target/ObjCLanguageRuntime.h"
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#include "lldb/Target/Target.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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template<bool cf_style>
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bool
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lldb_private::formatters::NSSetSummaryProvider (ValueObject& valobj, Stream& stream)
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{
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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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ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
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if (!runtime)
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return false;
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
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if (!descriptor.get() || !descriptor->IsValid())
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return false;
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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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uint64_t value = 0;
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const char* class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return false;
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if (!strcmp(class_name,"__NSSetI"))
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{
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Error error;
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
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}
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else if (!strcmp(class_name,"__NSSetM"))
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{
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Error error;
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
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}
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/*else if (!strcmp(class_name,"__NSCFSet"))
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{
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Error error;
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + (is_64bit ? 20 : 12), 4, 0, error);
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if (error.Fail())
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return false;
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if (is_64bit)
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value &= ~0x1fff000000000000UL;
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}
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else if (!strcmp(class_name,"NSCountedSet"))
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{
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Error error;
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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value = process_sp->ReadUnsignedIntegerFromMemory(value + (is_64bit ? 20 : 12), 4, 0, error);
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if (error.Fail())
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return false;
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if (is_64bit)
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value &= ~0x1fff000000000000UL;
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}*/
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else
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{
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if (!ExtractValueFromObjCExpression(valobj, "int", "count", value))
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return false;
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}
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stream.Printf("%s%" PRIu64 " %s%s",
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(cf_style ? "@\"" : ""),
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value,
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(cf_style ? (value == 1 ? "value" : "values") : (value == 1 ? "object" : "objects")),
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(cf_style ? "\"" : ""));
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return true;
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}
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SyntheticChildrenFrontEnd* lldb_private::formatters::NSSetSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
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{
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lldb::ProcessSP process_sp (valobj_sp->GetProcessSP());
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if (!process_sp)
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return NULL;
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ObjCLanguageRuntime *runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
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if (!runtime)
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return NULL;
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if (!valobj_sp->IsPointerType())
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{
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Error error;
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valobj_sp = valobj_sp->AddressOf(error);
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if (error.Fail() || !valobj_sp)
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return NULL;
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}
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ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(*valobj_sp.get()));
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if (!descriptor.get() || !descriptor->IsValid())
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return NULL;
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const char* class_name = descriptor->GetClassName().GetCString();
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if (!class_name || !*class_name)
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return NULL;
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if (!strcmp(class_name,"__NSSetI"))
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{
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return (new NSSetISyntheticFrontEnd(valobj_sp));
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}
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else if (!strcmp(class_name,"__NSSetM"))
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{
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return (new NSSetMSyntheticFrontEnd(valobj_sp));
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}
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else if ((!strcmp(class_name,"__NSOrderedSetI")) || (!strcmp(class_name,"__NSOrderedSetM")))
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{
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return new NSOrderedSetSyntheticFrontEnd(valobj_sp); // this runs code
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}
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else
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{
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return /*(new NSSetCodeRunningSyntheticFrontEnd(valobj_sp))*/ NULL;
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}
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}
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lldb_private::formatters::NSSetISyntheticFrontEnd::NSSetISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
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SyntheticChildrenFrontEnd(*valobj_sp.get()),
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m_exe_ctx_ref(),
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m_ptr_size(8),
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m_data_32(NULL),
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m_data_64(NULL)
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{
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if (valobj_sp)
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Update();
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}
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lldb_private::formatters::NSSetISyntheticFrontEnd::~NSSetISyntheticFrontEnd ()
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{
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delete m_data_32;
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m_data_32 = NULL;
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delete m_data_64;
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m_data_64 = NULL;
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}
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size_t
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lldb_private::formatters::NSSetISyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
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{
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const char* item_name = name.GetCString();
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uint32_t idx = ExtractIndexFromString(item_name);
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if (idx < UINT32_MAX && idx >= CalculateNumChildren())
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return UINT32_MAX;
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return idx;
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}
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size_t
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lldb_private::formatters::NSSetISyntheticFrontEnd::CalculateNumChildren ()
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{
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if (!m_data_32 && !m_data_64)
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return 0;
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return (m_data_32 ? m_data_32->_used : m_data_64->_used);
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}
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bool
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lldb_private::formatters::NSSetISyntheticFrontEnd::Update()
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{
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m_children.clear();
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delete m_data_32;
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m_data_32 = NULL;
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delete m_data_64;
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m_data_64 = NULL;
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m_ptr_size = 0;
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ValueObjectSP valobj_sp = m_backend.GetSP();
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if (!valobj_sp)
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return false;
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if (!valobj_sp)
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return false;
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m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
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Error error;
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if (valobj_sp->IsPointerType())
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{
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valobj_sp = valobj_sp->Dereference(error);
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if (error.Fail() || !valobj_sp)
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return false;
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}
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error.Clear();
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lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
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if (!process_sp)
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return false;
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m_ptr_size = process_sp->GetAddressByteSize();
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uint64_t data_location = valobj_sp->GetAddressOf() + m_ptr_size;
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if (m_ptr_size == 4)
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{
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m_data_32 = new DataDescriptor_32();
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process_sp->ReadMemory (data_location, m_data_32, sizeof(DataDescriptor_32), error);
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}
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else
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{
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m_data_64 = new DataDescriptor_64();
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process_sp->ReadMemory (data_location, m_data_64, sizeof(DataDescriptor_64), error);
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}
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if (error.Fail())
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return false;
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m_data_ptr = data_location + m_ptr_size;
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return false;
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}
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bool
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lldb_private::formatters::NSSetISyntheticFrontEnd::MightHaveChildren ()
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{
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return true;
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}
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lldb::ValueObjectSP
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lldb_private::formatters::NSSetISyntheticFrontEnd::GetChildAtIndex (size_t idx)
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{
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uint32_t num_children = CalculateNumChildren();
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if (idx >= num_children)
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return lldb::ValueObjectSP();
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if (m_children.empty())
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{
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// do the scan phase
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lldb::addr_t obj_at_idx = 0;
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uint32_t tries = 0;
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uint32_t test_idx = 0;
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while(tries < num_children)
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{
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obj_at_idx = m_data_ptr + (test_idx * m_ptr_size);
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ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
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if (!process_sp)
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return lldb::ValueObjectSP();
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Error error;
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obj_at_idx = process_sp->ReadPointerFromMemory(obj_at_idx, error);
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if (error.Fail())
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return lldb::ValueObjectSP();
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test_idx++;
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if (!obj_at_idx)
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continue;
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tries++;
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SetItemDescriptor descriptor = {obj_at_idx,lldb::ValueObjectSP()};
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m_children.push_back(descriptor);
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}
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}
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if (idx >= m_children.size()) // should never happen
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return lldb::ValueObjectSP();
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SetItemDescriptor &set_item = m_children[idx];
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if (!set_item.valobj_sp)
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{
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// make the new ValueObject
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StreamString expr;
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expr.Printf("(id)%" PRIu64,set_item.item_ptr);
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StreamString idx_name;
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idx_name.Printf("[%zu]",idx);
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set_item.valobj_sp = ValueObject::CreateValueObjectFromExpression(idx_name.GetData(), expr.GetData(), m_exe_ctx_ref);
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}
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return set_item.valobj_sp;
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}
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lldb_private::formatters::NSSetMSyntheticFrontEnd::NSSetMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
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SyntheticChildrenFrontEnd(*valobj_sp.get()),
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m_exe_ctx_ref(),
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m_ptr_size(8),
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m_data_32(NULL),
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m_data_64(NULL)
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{
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if (valobj_sp)
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Update ();
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}
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lldb_private::formatters::NSSetMSyntheticFrontEnd::~NSSetMSyntheticFrontEnd ()
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{
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delete m_data_32;
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m_data_32 = NULL;
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delete m_data_64;
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m_data_64 = NULL;
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}
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size_t
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lldb_private::formatters::NSSetMSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
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{
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const char* item_name = name.GetCString();
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uint32_t idx = ExtractIndexFromString(item_name);
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if (idx < UINT32_MAX && idx >= CalculateNumChildren())
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return UINT32_MAX;
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return idx;
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}
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size_t
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lldb_private::formatters::NSSetMSyntheticFrontEnd::CalculateNumChildren ()
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{
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if (!m_data_32 && !m_data_64)
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return 0;
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return (m_data_32 ? m_data_32->_used : m_data_64->_used);
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}
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bool
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lldb_private::formatters::NSSetMSyntheticFrontEnd::Update()
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{
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m_children.clear();
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ValueObjectSP valobj_sp = m_backend.GetSP();
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m_ptr_size = 0;
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delete m_data_32;
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m_data_32 = NULL;
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delete m_data_64;
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m_data_64 = NULL;
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if (!valobj_sp)
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return false;
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if (!valobj_sp)
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return false;
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m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
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Error error;
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if (valobj_sp->IsPointerType())
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{
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valobj_sp = valobj_sp->Dereference(error);
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if (error.Fail() || !valobj_sp)
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return false;
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}
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error.Clear();
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lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
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if (!process_sp)
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return false;
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m_ptr_size = process_sp->GetAddressByteSize();
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uint64_t data_location = valobj_sp->GetAddressOf() + m_ptr_size;
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if (m_ptr_size == 4)
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{
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m_data_32 = new DataDescriptor_32();
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process_sp->ReadMemory (data_location, m_data_32, sizeof(DataDescriptor_32), error);
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}
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else
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{
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m_data_64 = new DataDescriptor_64();
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process_sp->ReadMemory (data_location, m_data_64, sizeof(DataDescriptor_64), error);
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}
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if (error.Fail())
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return false;
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return false;
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}
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|
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bool
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lldb_private::formatters::NSSetMSyntheticFrontEnd::MightHaveChildren ()
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{
|
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return true;
|
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}
|
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|
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lldb::ValueObjectSP
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lldb_private::formatters::NSSetMSyntheticFrontEnd::GetChildAtIndex (size_t idx)
|
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{
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lldb::addr_t m_objs_addr = (m_data_32 ? m_data_32->_objs_addr : m_data_64->_objs_addr);
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uint32_t num_children = CalculateNumChildren();
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if (idx >= num_children)
|
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return lldb::ValueObjectSP();
|
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|
||||
if (m_children.empty())
|
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{
|
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// do the scan phase
|
||||
lldb::addr_t obj_at_idx = 0;
|
||||
|
||||
uint32_t tries = 0;
|
||||
uint32_t test_idx = 0;
|
||||
|
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while(tries < num_children)
|
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{
|
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obj_at_idx = m_objs_addr + (test_idx * m_ptr_size);
|
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ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
||||
if (!process_sp)
|
||||
return lldb::ValueObjectSP();
|
||||
Error error;
|
||||
obj_at_idx = process_sp->ReadPointerFromMemory(obj_at_idx, error);
|
||||
if (error.Fail())
|
||||
return lldb::ValueObjectSP();
|
||||
|
||||
test_idx++;
|
||||
|
||||
if (!obj_at_idx)
|
||||
continue;
|
||||
tries++;
|
||||
|
||||
SetItemDescriptor descriptor = {obj_at_idx,lldb::ValueObjectSP()};
|
||||
|
||||
m_children.push_back(descriptor);
|
||||
}
|
||||
}
|
||||
|
||||
if (idx >= m_children.size()) // should never happen
|
||||
return lldb::ValueObjectSP();
|
||||
|
||||
SetItemDescriptor &set_item = m_children[idx];
|
||||
if (!set_item.valobj_sp)
|
||||
{
|
||||
// make the new ValueObject
|
||||
StreamString expr;
|
||||
expr.Printf("(id)%" PRIu64,set_item.item_ptr);
|
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StreamString idx_name;
|
||||
idx_name.Printf("[%zu]",idx);
|
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set_item.valobj_sp = ValueObject::CreateValueObjectFromExpression(idx_name.GetData(), expr.GetData(), m_exe_ctx_ref);
|
||||
}
|
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return set_item.valobj_sp;
|
||||
}
|
||||
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::NSOrderedSetSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
|
||||
SyntheticChildrenFrontEnd(*valobj_sp.get()),
|
||||
m_count(UINT32_MAX),
|
||||
m_children()
|
||||
{}
|
||||
|
||||
size_t
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::CalculateNumChildren ()
|
||||
{
|
||||
if (m_count != UINT32_MAX)
|
||||
return m_count;
|
||||
uint64_t count_temp;
|
||||
if (ExtractValueFromObjCExpression(m_backend,"unsigned int","count",count_temp))
|
||||
return (m_count = count_temp);
|
||||
return (m_count = 0);
|
||||
}
|
||||
|
||||
lldb::ValueObjectSP
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::GetChildAtIndex (size_t idx)
|
||||
{
|
||||
auto iter = m_children.find(idx);
|
||||
if (iter == m_children.end())
|
||||
{
|
||||
lldb::ValueObjectSP retval_sp;
|
||||
if (idx <= m_count)
|
||||
{
|
||||
retval_sp = CallSelectorOnObject(m_backend, "id", "objectAtIndex", idx);
|
||||
if (retval_sp)
|
||||
{
|
||||
StreamString idx_name;
|
||||
idx_name.Printf("[%zu]",idx);
|
||||
retval_sp->SetName(ConstString(idx_name.GetData()));
|
||||
}
|
||||
m_children[idx] = retval_sp;
|
||||
}
|
||||
return retval_sp;
|
||||
}
|
||||
else
|
||||
return iter->second;
|
||||
}
|
||||
|
||||
bool
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::Update()
|
||||
{
|
||||
return false;
|
||||
}
|
||||
|
||||
bool
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::MightHaveChildren ()
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
size_t
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::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;
|
||||
}
|
||||
|
||||
lldb_private::formatters::NSOrderedSetSyntheticFrontEnd::~NSOrderedSetSyntheticFrontEnd ()
|
||||
{
|
||||
}
|
||||
|
||||
template bool
|
||||
lldb_private::formatters::NSSetSummaryProvider<true> (ValueObject& valobj, Stream& stream);
|
||||
|
||||
template bool
|
||||
lldb_private::formatters::NSSetSummaryProvider<false> (ValueObject& valobj, Stream& stream);
|
||||
Reference in New Issue
Block a user