99558cc424
Create a new "lldb_private::CompilerDeclContext" class that will replace all direct uses of "clang::DeclContext" when used in compiler agnostic code, yet still allow for conversion to clang::DeclContext subclasses by clang specific code. This completes the abstraction of type parsing by removing all "clang::" references from the SymbolFileDWARF. The new "lldb_private::CompilerDeclContext" class abstracts decl contexts found in compiler type systems so they can be used in internal API calls. The TypeSystem is required to support CompilerDeclContexts with new pure virtual functions that start with "DeclContext" in the member function names. Converted all code that used lldb_private::ClangNamespaceDecl over to use the new CompilerDeclContext class and removed the ClangNamespaceDecl.cpp and ClangNamespaceDecl.h files.
Removed direct use of clang APIs from SBType and now use the abstract type systems to correctly explore types.
Bulk renames for things that used to return a ClangASTType which is now CompilerType:
"Type::GetClangFullType()" to "Type::GetFullCompilerType()"
"Type::GetClangLayoutType()" to "Type::GetLayoutCompilerType()"
"Type::GetClangForwardType()" to "Type::GetForwardCompilerType()"
"Value::GetClangType()" to "Value::GetCompilerType()"
"Value::SetClangType (const CompilerType &)" to "Value::SetCompilerType (const CompilerType &)"
"ValueObject::GetClangType ()" to "ValueObject::GetCompilerType()"
many more renames that are similar.
llvm-svn: 245905
707 lines
20 KiB
C++
707 lines
20 KiB
C++
//===-- NSArray.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/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 "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h"
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#include "lldb/Target/Target.h"
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#include "clang/AST/ASTContext.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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namespace lldb_private {
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namespace formatters {
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class NSArrayMSyntheticFrontEnd : public SyntheticChildrenFrontEnd
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{
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public:
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NSArrayMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp);
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virtual size_t
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CalculateNumChildren ();
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virtual lldb::ValueObjectSP
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GetChildAtIndex (size_t idx);
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virtual bool
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Update() = 0;
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virtual bool
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MightHaveChildren ();
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virtual size_t
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GetIndexOfChildWithName (const ConstString &name);
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virtual
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~NSArrayMSyntheticFrontEnd () {}
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protected:
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virtual lldb::addr_t
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GetDataAddress () = 0;
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virtual uint64_t
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GetUsedCount () = 0;
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virtual uint64_t
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GetOffset () = 0;
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virtual uint64_t
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GetSize () = 0;
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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CompilerType m_id_type;
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std::vector<lldb::ValueObjectSP> m_children;
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};
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class NSArrayMSyntheticFrontEnd_109 : public NSArrayMSyntheticFrontEnd
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{
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private:
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struct DataDescriptor_32
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{
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uint32_t _used;
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uint32_t _priv1 : 2 ;
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uint32_t _size : 30;
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uint32_t _priv2 : 2;
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uint32_t _offset : 30;
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uint32_t _priv3;
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uint32_t _data;
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};
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struct DataDescriptor_64
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{
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uint64_t _used;
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uint64_t _priv1 : 2 ;
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uint64_t _size : 62;
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uint64_t _priv2 : 2;
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uint64_t _offset : 62;
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uint32_t _priv3;
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uint64_t _data;
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};
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public:
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NSArrayMSyntheticFrontEnd_109 (lldb::ValueObjectSP valobj_sp);
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virtual bool
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Update();
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virtual
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~NSArrayMSyntheticFrontEnd_109 ();
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protected:
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virtual lldb::addr_t
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GetDataAddress ();
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virtual uint64_t
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GetUsedCount ();
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virtual uint64_t
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GetOffset ();
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virtual uint64_t
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GetSize ();
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private:
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DataDescriptor_32 *m_data_32;
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DataDescriptor_64 *m_data_64;
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};
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class NSArrayMSyntheticFrontEnd_1010 : public NSArrayMSyntheticFrontEnd
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{
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private:
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struct DataDescriptor_32
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{
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uint32_t _used;
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uint32_t _offset;
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uint32_t _size : 28;
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uint64_t _priv1 : 4;
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uint32_t _priv2;
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uint32_t _data;
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};
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struct DataDescriptor_64
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{
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uint64_t _used;
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uint64_t _offset;
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uint64_t _size : 60;
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uint64_t _priv1 : 4;
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uint32_t _priv2;
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uint64_t _data;
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};
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public:
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NSArrayMSyntheticFrontEnd_1010 (lldb::ValueObjectSP valobj_sp);
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virtual bool
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Update();
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virtual
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~NSArrayMSyntheticFrontEnd_1010 ();
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protected:
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virtual lldb::addr_t
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GetDataAddress ();
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virtual uint64_t
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GetUsedCount ();
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virtual uint64_t
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GetOffset ();
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virtual uint64_t
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GetSize ();
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private:
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DataDescriptor_32 *m_data_32;
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DataDescriptor_64 *m_data_64;
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};
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class NSArrayISyntheticFrontEnd : public SyntheticChildrenFrontEnd
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{
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public:
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NSArrayISyntheticFrontEnd (lldb::ValueObjectSP valobj_sp);
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virtual size_t
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CalculateNumChildren ();
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virtual lldb::ValueObjectSP
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GetChildAtIndex (size_t idx);
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virtual bool
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Update();
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virtual bool
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MightHaveChildren ();
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virtual size_t
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GetIndexOfChildWithName (const ConstString &name);
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virtual
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~NSArrayISyntheticFrontEnd ();
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private:
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ExecutionContextRef m_exe_ctx_ref;
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uint8_t m_ptr_size;
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uint64_t m_items;
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lldb::addr_t m_data_ptr;
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CompilerType m_id_type;
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std::vector<lldb::ValueObjectSP> m_children;
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};
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class NSArrayCodeRunningSyntheticFrontEnd : public SyntheticChildrenFrontEnd
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{
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public:
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NSArrayCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp);
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virtual size_t
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CalculateNumChildren ();
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virtual lldb::ValueObjectSP
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GetChildAtIndex (size_t idx);
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virtual bool
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Update();
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virtual bool
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MightHaveChildren ();
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virtual size_t
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GetIndexOfChildWithName (const ConstString &name);
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virtual
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~NSArrayCodeRunningSyntheticFrontEnd ();
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};
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}
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}
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bool
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lldb_private::formatters::NSArraySummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
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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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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,"__NSArrayI"))
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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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}
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else if (!strcmp(class_name,"__NSArrayM"))
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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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}
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else if (!strcmp(class_name,"__NSCFArray"))
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{
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Error error;
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value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + 2 * ptr_size, ptr_size, 0, error);
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if (error.Fail())
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return false;
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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("@\"%" PRIu64 " object%s\"",
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value,
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value == 1 ? "" : "s");
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return true;
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}
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lldb_private::formatters::NSArrayMSyntheticFrontEnd::NSArrayMSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
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SyntheticChildrenFrontEnd(*valobj_sp),
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m_exe_ctx_ref(),
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m_ptr_size(8),
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m_id_type(),
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m_children()
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{
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if (valobj_sp)
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{
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clang::ASTContext *ast = valobj_sp->GetExecutionContextRef().GetTargetSP()->GetScratchClangASTContext()->getASTContext();
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if (ast)
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m_id_type = CompilerType(ast, ast->ObjCBuiltinIdTy);
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if (valobj_sp->GetProcessSP())
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m_ptr_size = valobj_sp->GetProcessSP()->GetAddressByteSize();
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}
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}
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::NSArrayMSyntheticFrontEnd_109 (lldb::ValueObjectSP valobj_sp) :
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NSArrayMSyntheticFrontEnd(valobj_sp),
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m_data_32(NULL),
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m_data_64(NULL)
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{
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}
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::NSArrayMSyntheticFrontEnd_1010 (lldb::ValueObjectSP valobj_sp) :
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NSArrayMSyntheticFrontEnd(valobj_sp),
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m_data_32(NULL),
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m_data_64(NULL)
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{
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}
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size_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd::CalculateNumChildren ()
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{
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return GetUsedCount();
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}
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lldb::ValueObjectSP
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lldb_private::formatters::NSArrayMSyntheticFrontEnd::GetChildAtIndex (size_t idx)
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{
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if (idx >= CalculateNumChildren())
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return lldb::ValueObjectSP();
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lldb::addr_t object_at_idx = GetDataAddress();
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size_t pyhs_idx = idx;
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pyhs_idx += GetOffset();
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if (GetSize() <= pyhs_idx)
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pyhs_idx -= GetSize();
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object_at_idx += (pyhs_idx * m_ptr_size);
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StreamString idx_name;
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idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
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lldb::ValueObjectSP retval_sp = CreateValueObjectFromAddress(idx_name.GetData(),
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object_at_idx,
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m_exe_ctx_ref,
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m_id_type);
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m_children.push_back(retval_sp);
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return retval_sp;
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}
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bool
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::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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m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
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Error error;
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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->GetValueAsUnsigned(0) + 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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bool
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::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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m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
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Error error;
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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->GetValueAsUnsigned(0) + 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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bool
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lldb_private::formatters::NSArrayMSyntheticFrontEnd::MightHaveChildren ()
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{
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return true;
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}
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size_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd::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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lldb::addr_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::GetDataAddress ()
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{
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if (!m_data_32 && !m_data_64)
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return LLDB_INVALID_ADDRESS;
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return m_data_32 ? m_data_32->_data :
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m_data_64->_data;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::GetUsedCount ()
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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 :
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m_data_64->_used;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::GetOffset ()
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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->_offset :
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m_data_64->_offset;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::GetSize ()
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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->_size :
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m_data_64->_size;
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}
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_109::~NSArrayMSyntheticFrontEnd_109 ()
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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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lldb::addr_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::GetDataAddress ()
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{
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if (!m_data_32 && !m_data_64)
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return LLDB_INVALID_ADDRESS;
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return m_data_32 ? m_data_32->_data :
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m_data_64->_data;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::GetUsedCount ()
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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 :
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m_data_64->_used;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::GetOffset ()
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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->_offset :
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m_data_64->_offset;
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}
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uint64_t
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::GetSize ()
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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->_size :
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m_data_64->_size;
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}
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lldb_private::formatters::NSArrayMSyntheticFrontEnd_1010::~NSArrayMSyntheticFrontEnd_1010 ()
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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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lldb_private::formatters::NSArrayISyntheticFrontEnd::NSArrayISyntheticFrontEnd (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),
|
|
m_items (0),
|
|
m_data_ptr (0)
|
|
{
|
|
if (valobj_sp && valobj_sp->GetCompilerType().IsValid())
|
|
{
|
|
ClangASTContext *ast = valobj_sp->GetCompilerType().GetTypeSystem()->AsClangASTContext();
|
|
if (ast)
|
|
m_id_type = CompilerType(ast->getASTContext(), ast->getASTContext()->ObjCBuiltinIdTy);
|
|
}
|
|
}
|
|
|
|
lldb_private::formatters::NSArrayISyntheticFrontEnd::~NSArrayISyntheticFrontEnd ()
|
|
{
|
|
}
|
|
|
|
size_t
|
|
lldb_private::formatters::NSArrayISyntheticFrontEnd::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::NSArrayISyntheticFrontEnd::CalculateNumChildren ()
|
|
{
|
|
return m_items;
|
|
}
|
|
|
|
bool
|
|
lldb_private::formatters::NSArrayISyntheticFrontEnd::Update()
|
|
{
|
|
m_ptr_size = 0;
|
|
m_items = 0;
|
|
m_data_ptr = 0;
|
|
m_children.clear();
|
|
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();
|
|
uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
|
|
m_items = process_sp->ReadPointerFromMemory(data_location, error);
|
|
if (error.Fail())
|
|
return false;
|
|
m_data_ptr = data_location+m_ptr_size;
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
lldb_private::formatters::NSArrayISyntheticFrontEnd::MightHaveChildren ()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::NSArrayISyntheticFrontEnd::GetChildAtIndex (size_t idx)
|
|
{
|
|
if (idx >= CalculateNumChildren())
|
|
return lldb::ValueObjectSP();
|
|
lldb::addr_t object_at_idx = m_data_ptr;
|
|
object_at_idx += (idx * m_ptr_size);
|
|
ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
|
|
if (!process_sp)
|
|
return lldb::ValueObjectSP();
|
|
Error error;
|
|
if (error.Fail())
|
|
return lldb::ValueObjectSP();
|
|
StreamString idx_name;
|
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
|
lldb::ValueObjectSP retval_sp = CreateValueObjectFromAddress(idx_name.GetData(),
|
|
object_at_idx,
|
|
m_exe_ctx_ref,
|
|
m_id_type);
|
|
m_children.push_back(retval_sp);
|
|
return retval_sp;
|
|
}
|
|
|
|
SyntheticChildrenFrontEnd* lldb_private::formatters::NSArraySyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
|
|
{
|
|
if (!valobj_sp)
|
|
return nullptr;
|
|
|
|
lldb::ProcessSP process_sp (valobj_sp->GetProcessSP());
|
|
if (!process_sp)
|
|
return NULL;
|
|
AppleObjCRuntime *runtime = (AppleObjCRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
|
|
if (!runtime)
|
|
return NULL;
|
|
|
|
CompilerType valobj_type(valobj_sp->GetCompilerType());
|
|
Flags flags(valobj_type.GetTypeInfo());
|
|
|
|
if (flags.IsClear(eTypeIsPointer))
|
|
{
|
|
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,"__NSArrayI"))
|
|
{
|
|
return (new NSArrayISyntheticFrontEnd(valobj_sp));
|
|
}
|
|
else if (!strcmp(class_name,"__NSArrayM"))
|
|
{
|
|
if (runtime->GetFoundationVersion() >= 1100)
|
|
return (new NSArrayMSyntheticFrontEnd_1010(valobj_sp));
|
|
else
|
|
return (new NSArrayMSyntheticFrontEnd_109(valobj_sp));
|
|
}
|
|
else
|
|
{
|
|
return (new NSArrayCodeRunningSyntheticFrontEnd(valobj_sp));
|
|
}
|
|
}
|
|
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::NSArrayCodeRunningSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
|
|
SyntheticChildrenFrontEnd(*valobj_sp.get())
|
|
{}
|
|
|
|
size_t
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::CalculateNumChildren ()
|
|
{
|
|
uint64_t count = 0;
|
|
if (ExtractValueFromObjCExpression(m_backend, "int", "count", count))
|
|
return count;
|
|
return 0;
|
|
}
|
|
|
|
lldb::ValueObjectSP
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::GetChildAtIndex (size_t idx)
|
|
{
|
|
StreamString idx_name;
|
|
idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
|
|
lldb::ValueObjectSP valobj_sp = CallSelectorOnObject(m_backend,"id","objectAtIndex:",idx);
|
|
if (valobj_sp)
|
|
valobj_sp->SetName(ConstString(idx_name.GetData()));
|
|
return valobj_sp;
|
|
}
|
|
|
|
bool
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::Update()
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::MightHaveChildren ()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
size_t
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
lldb_private::formatters::NSArrayCodeRunningSyntheticFrontEnd::~NSArrayCodeRunningSyntheticFrontEnd ()
|
|
{}
|