forked from OSchip/llvm-project
161 lines
4.7 KiB
C++
161 lines
4.7 KiB
C++
//===-- LibStdcpp.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 "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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/*
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(std::_Rb_tree_iterator<std::pair<const int, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >) ibeg = {
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(_Base_ptr) _M_node = 0x0000000100103910 {
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(std::_Rb_tree_color) _M_color = _S_black
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(std::_Rb_tree_node_base::_Base_ptr) _M_parent = 0x00000001001038c0
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(std::_Rb_tree_node_base::_Base_ptr) _M_left = 0x0000000000000000
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(std::_Rb_tree_node_base::_Base_ptr) _M_right = 0x0000000000000000
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}
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}
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*/
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::LibstdcppMapIteratorSyntheticFrontEnd (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_pair_address(0),
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m_pair_type(),
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m_options(),
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m_pair_sp()
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{
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if (valobj_sp)
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Update();
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m_options.SetCoerceToId(false);
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m_options.SetUnwindOnError(true);
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m_options.SetKeepInMemory(true);
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m_options.SetUseDynamic(lldb::eDynamicCanRunTarget);
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}
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bool
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::Update()
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{
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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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TargetSP target_sp(valobj_sp->GetTargetSP());
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if (!target_sp)
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return false;
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bool is_64bit = (target_sp->GetArchitecture().GetAddressByteSize() == 8);
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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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ValueObjectSP _M_node_sp(valobj_sp->GetChildMemberWithName(ConstString("_M_node"), true));
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if (!_M_node_sp)
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return false;
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m_pair_address = _M_node_sp->GetValueAsUnsigned(0);
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if (m_pair_address == 0)
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return false;
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m_pair_address += (is_64bit ? 32 : 16);
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ClangASTType my_type(valobj_sp->GetClangType());
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if (my_type.GetNumTemplateArguments() >= 1)
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{
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TemplateArgumentKind kind;
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ClangASTType pair_type = my_type.GetTemplateArgument(0, kind);
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if (kind != eTemplateArgumentKindType && kind != eTemplateArgumentKindTemplate && kind != eTemplateArgumentKindTemplateExpansion)
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return false;
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m_pair_type = pair_type;
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}
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else
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return false;
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return true;
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}
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size_t
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::CalculateNumChildren ()
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{
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return 2;
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}
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lldb::ValueObjectSP
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::GetChildAtIndex (size_t idx)
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{
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if (m_pair_address != 0 && m_pair_type)
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{
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if (!m_pair_sp)
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m_pair_sp = CreateValueObjectFromAddress("pair", m_pair_address, m_exe_ctx_ref, m_pair_type);
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if (m_pair_sp)
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return m_pair_sp->GetChildAtIndex(idx, true);
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}
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return lldb::ValueObjectSP();
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}
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bool
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::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::LibstdcppMapIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
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{
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if (name == ConstString("first"))
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return 0;
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if (name == ConstString("second"))
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return 1;
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return UINT32_MAX;
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}
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEnd::~LibstdcppMapIteratorSyntheticFrontEnd ()
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{}
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SyntheticChildrenFrontEnd*
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lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
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{
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if (!valobj_sp)
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return NULL;
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return (new LibstdcppMapIteratorSyntheticFrontEnd(valobj_sp));
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}
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/*
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(lldb) fr var ibeg --ptr-depth 1
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(__gnu_cxx::__normal_iterator<int *, std::vector<int, std::allocator<int> > >) ibeg = {
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_M_current = 0x00000001001037a0 {
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*_M_current = 1
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}
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}
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*/
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SyntheticChildrenFrontEnd*
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lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
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{
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static ConstString g_item_name;
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if (!g_item_name)
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g_item_name.SetCString("_M_current");
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if (!valobj_sp)
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return NULL;
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return (new VectorIteratorSyntheticFrontEnd(valobj_sp,g_item_name));
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}
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