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6611103cfe
to the debugger from GUI windows. Previously there was one global debugger
instance that could be accessed that had its own command interpreter and
current state (current target/process/thread/frame). When a GUI debugger
was attached, if it opened more than one window that each had a console
window, there were issues where the last one to setup the global debugger
object won and got control of the debugger.
To avoid this we now create instances of the lldb_private::Debugger that each
has its own state:
- target list for targets the debugger instance owns
- current process/thread/frame
- its own command interpreter
- its own input, output and error file handles to avoid conflicts
- its own input reader stack
So now clients should call:
SBDebugger::Initialize(); // (static function)
SBDebugger debugger (SBDebugger::Create());
// Use which ever file handles you wish
debugger.SetErrorFileHandle (stderr, false);
debugger.SetOutputFileHandle (stdout, false);
debugger.SetInputFileHandle (stdin, true);
// main loop
SBDebugger::Terminate(); // (static function)
SBDebugger::Initialize() and SBDebugger::Terminate() are ref counted to
ensure nothing gets destroyed too early when multiple clients might be
attached.
Cleaned up the command interpreter and the CommandObject and all subclasses
to take more appropriate arguments.
llvm-svn: 106615
373 lines
8.6 KiB
C++
373 lines
8.6 KiB
C++
//===-- SBValue.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/API/SBValue.h"
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#include "lldb/Core/DataExtractor.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/Stream.h"
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#include "lldb/Core/StreamFile.h"
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#include "lldb/Core/Value.h"
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#include "lldb/Core/ValueObject.h"
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#include "lldb/Symbol/Block.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Symbol/Variable.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/StackFrame.h"
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#include "lldb/Target/Thread.h"
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#include "lldb/API/SBProcess.h"
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#include "lldb/API/SBTarget.h"
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#include "lldb/API/SBThread.h"
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#include "lldb/API/SBFrame.h"
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#include "lldb/API/SBDebugger.h"
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using namespace lldb;
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using namespace lldb_private;
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SBValue::SBValue () :
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m_opaque_sp ()
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{
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}
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SBValue::SBValue (const lldb::ValueObjectSP &value_sp) :
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m_opaque_sp (value_sp)
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{
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}
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SBValue::~SBValue()
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{
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}
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bool
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SBValue::IsValid () const
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{
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return (m_opaque_sp.get() != NULL);
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}
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void
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SBValue::Print (FILE *out_file, SBFrame *frame, bool print_type, bool print_value)
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{
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if (out_file == NULL)
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return;
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if (IsValid())
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{
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SBThread sb_thread = frame->GetThread();
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SBProcess sb_process = sb_thread.GetProcess();
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lldb_private::StackFrame *lldb_frame = frame->GetLLDBObjectPtr();
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lldb_private::Thread *lldb_thread = sb_thread.GetLLDBObjectPtr();
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lldb_private::Process *lldb_process = sb_process.get();
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lldb_private::ExecutionContext context (lldb_process, lldb_thread, lldb_frame);
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lldb_private::StreamFile out_stream (out_file);
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out_stream.Printf ("%s ", m_opaque_sp->GetName().AsCString (NULL));
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if (! m_opaque_sp->IsInScope (lldb_frame))
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out_stream.Printf ("[out-of-scope] ");
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if (print_type)
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{
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out_stream.Printf ("(%s) ", m_opaque_sp->GetTypeName().AsCString ("<unknown-type>"));
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}
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if (print_value)
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{
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ExecutionContextScope *exe_scope = frame->get();
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const char *val_cstr = m_opaque_sp->GetValueAsCString(exe_scope);
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const char *err_cstr = m_opaque_sp->GetError().AsCString();
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if (!err_cstr)
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{
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const char *sum_cstr = m_opaque_sp->GetSummaryAsCString(exe_scope);
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const bool is_aggregate =
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ClangASTContext::IsAggregateType (m_opaque_sp->GetOpaqueClangQualType());
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if (val_cstr)
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out_stream.Printf ("= %s ", val_cstr);
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if (sum_cstr)
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out_stream.Printf ("%s ", sum_cstr);
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if (is_aggregate)
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{
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out_stream.PutChar ('{');
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const uint32_t num_children = m_opaque_sp->GetNumChildren();
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if (num_children)
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{
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out_stream.IndentMore();
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for (uint32_t idx = 0; idx < num_children; ++idx)
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{
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lldb::ValueObjectSP child_sp (m_opaque_sp->GetChildAtIndex (idx, true));
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if (child_sp.get())
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{
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out_stream.EOL();
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out_stream.Indent();
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out_stream.Printf ("%s (%s) = %s", child_sp.get()->GetName().AsCString (""),
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child_sp.get()->GetTypeName().AsCString ("<unknown type>"),
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child_sp.get()->GetValueAsCString(exe_scope));
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}
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}
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out_stream.IndentLess();
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}
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out_stream.EOL();
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out_stream.Indent ("}");
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}
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}
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}
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out_stream.EOL ();
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}
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}
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const char *
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SBValue::GetName()
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{
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if (IsValid())
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return m_opaque_sp->GetName().AsCString();
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else
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return NULL;
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}
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const char *
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SBValue::GetTypeName ()
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{
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if (IsValid())
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return m_opaque_sp->GetTypeName().AsCString();
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else
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return NULL;
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}
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size_t
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SBValue::GetByteSize ()
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{
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size_t result = 0;
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if (IsValid())
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result = m_opaque_sp->GetByteSize();
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return result;
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}
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bool
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SBValue::IsInScope (const SBFrame &frame)
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{
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bool result = false;
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if (IsValid())
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result = m_opaque_sp->IsInScope (frame.get());
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return result;
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}
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const char *
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SBValue::GetValue (const SBFrame &frame)
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{
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const char *value_string = NULL;
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if ( m_opaque_sp)
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value_string = m_opaque_sp->GetValueAsCString(frame.get());
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return value_string;
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}
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bool
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SBValue::GetValueDidChange ()
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{
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if (IsValid())
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return m_opaque_sp->GetValueDidChange();
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return false;
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}
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const char *
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SBValue::GetSummary (const SBFrame &frame)
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{
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const char *value_string = NULL;
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if ( m_opaque_sp)
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value_string = m_opaque_sp->GetSummaryAsCString(frame.get());
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return value_string;
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}
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const char *
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SBValue::GetLocation (const SBFrame &frame)
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{
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const char *value_string = NULL;
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if (IsValid())
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value_string = m_opaque_sp->GetLocationAsCString(frame.get());
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return value_string;
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}
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bool
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SBValue::SetValueFromCString (const SBFrame &frame, const char *value_str)
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{
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bool success = false;
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if (IsValid())
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success = m_opaque_sp->SetValueFromCString (frame.get(), value_str);
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return success;
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}
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SBValue
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SBValue::GetChildAtIndex (uint32_t idx)
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{
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lldb::ValueObjectSP child_sp;
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if (IsValid())
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{
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child_sp = m_opaque_sp->GetChildAtIndex (idx, true);
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}
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SBValue sb_value (child_sp);
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return sb_value;
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}
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uint32_t
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SBValue::GetIndexOfChildWithName (const char *name)
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{
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if (IsValid())
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return m_opaque_sp->GetIndexOfChildWithName (ConstString(name));
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return UINT32_MAX;
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}
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SBValue
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SBValue::GetChildMemberWithName (const char *name)
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{
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lldb::ValueObjectSP child_sp;
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const ConstString str_name (name);
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if (IsValid())
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{
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child_sp = m_opaque_sp->GetChildMemberWithName (str_name, true);
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}
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SBValue sb_value (child_sp);
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return sb_value;
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}
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uint32_t
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SBValue::GetNumChildren ()
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{
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uint32_t num_children = 0;
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if (IsValid())
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{
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num_children = m_opaque_sp->GetNumChildren();
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}
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return num_children;
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}
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bool
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SBValue::ValueIsStale ()
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{
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bool result = true;
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if (IsValid())
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{
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result = m_opaque_sp->GetValueIsValid();
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}
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return result;
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}
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SBValue
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SBValue::Dereference ()
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{
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if (IsValid())
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{
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if (m_opaque_sp->IsPointerType())
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{
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return GetChildAtIndex(0);
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}
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}
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return *this;
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}
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bool
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SBValue::TypeIsPtrType ()
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{
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bool is_ptr_type = false;
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if (IsValid())
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{
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is_ptr_type = m_opaque_sp->IsPointerType();
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}
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return is_ptr_type;
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}
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//lldb_private::ExecutionContext
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//SBValue::GetCurrentExecutionContext ()
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//{
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// lldb_private::Process *process = NULL;
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// lldb_private::Thread *thread = NULL;
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// lldb_private::StackFrame *frame = NULL;
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//
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// SBTarget sb_target = SBDebugger::GetCurrentTarget();
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// if (sb_target.IsValid())
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// {
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// SBProcess sb_process = sb_target.GetProcess();
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// if (sb_process.IsValid())
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// {
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// process = sb_process.get();
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// SBThread sb_thread = sb_process.GetCurrentThread();
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// if (sb_thread.IsValid())
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// {
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// thread = sb_thread.GetLLDBObjectPtr();
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// frame = thread->GetStackFrameAtIndex(0).get();
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// lldb_private::ExecutionContext exe_context (process, thread, frame);
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// return exe_context;
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// }
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// else
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// {
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// lldb_private::ExecutionContext exe_context (process, NULL, NULL);
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// return exe_context;
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// }
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// }
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// }
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//
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// lldb_private::ExecutionContext exe_context (NULL, NULL, NULL);
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// return exe_context;
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//}
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//
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//
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void *
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SBValue::GetOpaqueType()
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{
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if (m_opaque_sp)
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return m_opaque_sp->GetOpaqueClangQualType();
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return NULL;
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}
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// Mimic shared pointer...
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lldb_private::ValueObject *
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SBValue::get() const
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{
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return m_opaque_sp.get();
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}
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lldb_private::ValueObject *
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SBValue::operator->() const
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{
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return m_opaque_sp.get();
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}
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lldb::ValueObjectSP &
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SBValue::operator*()
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{
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return m_opaque_sp;
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}
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const lldb::ValueObjectSP &
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SBValue::operator*() const
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{
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return m_opaque_sp;
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}
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