llvm-project/lldb/source/API/SBValue.cpp

540 lines
14 KiB
C++

//===-- SBValue.cpp ---------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/API/SBValue.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/DataExtractor.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/Stream.h"
#include "lldb/Core/StreamFile.h"
#include "lldb/Core/Value.h"
#include "lldb/Core/ValueObject.h"
#include "lldb/Symbol/Block.h"
#include "lldb/Symbol/ObjectFile.h"
#include "lldb/Symbol/Variable.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Process.h"
#include "lldb/Target/StackFrame.h"
#include "lldb/Target/Target.h"
#include "lldb/Target/Thread.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBTarget.h"
#include "lldb/API/SBThread.h"
#include "lldb/API/SBFrame.h"
#include "lldb/API/SBDebugger.h"
using namespace lldb;
using namespace lldb_private;
SBValue::SBValue () :
m_opaque_sp ()
{
}
SBValue::SBValue (const lldb::ValueObjectSP &value_sp) :
m_opaque_sp (value_sp)
{
}
SBValue::SBValue(const SBValue &rhs) :
m_opaque_sp (rhs.m_opaque_sp)
{
}
const SBValue &
SBValue::operator = (const SBValue &rhs)
{
if (this != &rhs)
m_opaque_sp = rhs.m_opaque_sp;
return *this;
}
SBValue::~SBValue()
{
}
bool
SBValue::IsValid () const
{
// If this function ever changes to anything that does more than just
// check if the opaque shared pointer is non NULL, then we need to update
// all "if (m_opaque_sp)" code in this file.
return m_opaque_sp.get() != NULL;
}
SBError
SBValue::GetError()
{
SBError sb_error;
if (m_opaque_sp.get())
sb_error.SetError(m_opaque_sp->GetError());
return sb_error;
}
const char *
SBValue::GetName()
{
const char *name = NULL;
if (m_opaque_sp)
name = m_opaque_sp->GetName().GetCString();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (name)
log->Printf ("SBValue(%p)::GetName () => \"%s\"", m_opaque_sp.get(), name);
else
log->Printf ("SBValue(%p)::GetName () => NULL", m_opaque_sp.get(), name);
}
return name;
}
const char *
SBValue::GetTypeName ()
{
const char *name = NULL;
if (m_opaque_sp)
name = m_opaque_sp->GetTypeName().GetCString();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (name)
log->Printf ("SBValue(%p)::GetTypeName () => \"%s\"", m_opaque_sp.get(), name);
else
log->Printf ("SBValue(%p)::GetTypeName () => NULL", m_opaque_sp.get());
}
return name;
}
size_t
SBValue::GetByteSize ()
{
size_t result = 0;
if (m_opaque_sp)
result = m_opaque_sp->GetByteSize();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::GetByteSize () => %zu", m_opaque_sp.get(), result);
return result;
}
bool
SBValue::IsInScope (const SBFrame &sb_frame)
{
return IsInScope();
}
bool
SBValue::IsInScope ()
{
bool result = false;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
result = m_opaque_sp->IsInScope ();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::IsInScope () => %i", m_opaque_sp.get(), result);
return result;
}
const char *
SBValue::GetValue (const SBFrame &sb_frame)
{
return GetValue();
}
const char *
SBValue::GetValue ()
{
const char *cstr = NULL;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
cstr = m_opaque_sp->GetValueAsCString ();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (cstr)
log->Printf ("SBValue(%p)::GetValue => \"%s\"", m_opaque_sp.get(), cstr);
else
log->Printf ("SBValue(%p)::GetValue => NULL", m_opaque_sp.get());
}
return cstr;
}
ValueType
SBValue::GetValueType ()
{
ValueType result = eValueTypeInvalid;
if (m_opaque_sp)
result = m_opaque_sp->GetValueType();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
switch (result)
{
case eValueTypeInvalid: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeInvalid", m_opaque_sp.get()); break;
case eValueTypeVariableGlobal: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeVariableGlobal", m_opaque_sp.get()); break;
case eValueTypeVariableStatic: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeVariableStatic", m_opaque_sp.get()); break;
case eValueTypeVariableArgument:log->Printf ("SBValue(%p)::GetValueType () => eValueTypeVariableArgument", m_opaque_sp.get()); break;
case eValueTypeVariableLocal: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeVariableLocal", m_opaque_sp.get()); break;
case eValueTypeRegister: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeRegister", m_opaque_sp.get()); break;
case eValueTypeRegisterSet: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeRegisterSet", m_opaque_sp.get()); break;
case eValueTypeConstResult: log->Printf ("SBValue(%p)::GetValueType () => eValueTypeConstResult", m_opaque_sp.get()); break;
default: log->Printf ("SBValue(%p)::GetValueType () => %i ???", m_opaque_sp.get(), result); break;
}
}
return result;
}
const char *
SBValue::GetObjectDescription (const SBFrame &sb_frame)
{
return GetObjectDescription ();
}
const char *
SBValue::GetObjectDescription ()
{
const char *cstr = NULL;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
cstr = m_opaque_sp->GetObjectDescription ();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (cstr)
log->Printf ("SBValue(%p)::GetObjectDescription => \"%s\"", m_opaque_sp.get(), cstr);
else
log->Printf ("SBValue(%p)::GetObjectDescription => NULL", m_opaque_sp.get());
}
return cstr;
}
bool
SBValue::GetValueDidChange (const SBFrame &sb_frame)
{
return GetValueDidChange ();
}
bool
SBValue::GetValueDidChange ()
{
bool result = false;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
result = m_opaque_sp->GetValueDidChange ();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::GetValueDidChange => %i", m_opaque_sp.get(), result);
return result;
}
const char *
SBValue::GetSummary (const SBFrame &sb_frame)
{
return GetSummary ();
}
const char *
SBValue::GetSummary ()
{
const char *cstr = NULL;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
cstr = m_opaque_sp->GetSummaryAsCString();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (cstr)
log->Printf ("SBValue(%p)::GetSummary => \"%s\"", m_opaque_sp.get(), cstr);
else
log->Printf ("SBValue(%p)::GetSummary => NULL", m_opaque_sp.get());
}
return cstr;
}
const char *
SBValue::GetLocation (const SBFrame &sb_frame)
{
return GetLocation ();
}
const char *
SBValue::GetLocation ()
{
const char *cstr = NULL;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
cstr = m_opaque_sp->GetLocationAsCString();
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (cstr)
log->Printf ("SBValue(%p)::GetSummary => \"%s\"", m_opaque_sp.get(), cstr);
else
log->Printf ("SBValue(%p)::GetSummary => NULL", m_opaque_sp.get());
}
return cstr;
}
bool
SBValue::SetValueFromCString (const SBFrame &sb_frame, const char *value_str)
{
return SetValueFromCString (value_str);
}
bool
SBValue::SetValueFromCString (const char *value_str)
{
bool success = false;
if (m_opaque_sp)
{
if (m_opaque_sp->GetUpdatePoint().GetTarget())
Mutex::Locker api_locker (m_opaque_sp->GetUpdatePoint().GetTarget()->GetAPIMutex());
success = m_opaque_sp->SetValueFromCString (value_str);
}
return success;
}
SBValue
SBValue::GetChildAtIndex (uint32_t idx)
{
lldb::ValueObjectSP child_sp;
if (m_opaque_sp)
{
child_sp = m_opaque_sp->GetChildAtIndex (idx, true);
}
SBValue sb_value (child_sp);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::GetChildAtIndex (%u) => SBValue(%p)", m_opaque_sp.get(), idx, sb_value.get());
return sb_value;
}
uint32_t
SBValue::GetIndexOfChildWithName (const char *name)
{
uint32_t idx = UINT32_MAX;
if (m_opaque_sp)
idx = m_opaque_sp->GetIndexOfChildWithName (ConstString(name));
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
{
if (idx == UINT32_MAX)
log->Printf ("SBValue(%p)::GetIndexOfChildWithName (name=\"%s\") => NOT FOUND", m_opaque_sp.get(), name, idx);
else
log->Printf ("SBValue(%p)::GetIndexOfChildWithName (name=\"%s\") => %u", m_opaque_sp.get(), name, idx);
}
return idx;
}
SBValue
SBValue::GetChildMemberWithName (const char *name)
{
lldb::ValueObjectSP child_sp;
const ConstString str_name (name);
if (m_opaque_sp)
{
child_sp = m_opaque_sp->GetChildMemberWithName (str_name, true);
}
SBValue sb_value (child_sp);
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::GetChildMemberWithName (name=\"%s\") => SBValue(%p)", m_opaque_sp.get(), name, sb_value.get());
return sb_value;
}
uint32_t
SBValue::GetNumChildren ()
{
uint32_t num_children = 0;
if (m_opaque_sp)
num_children = m_opaque_sp->GetNumChildren();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::GetNumChildren () => %u", m_opaque_sp.get(), num_children);
return num_children;
}
SBValue
SBValue::Dereference ()
{
SBValue sb_value;
if (m_opaque_sp)
{
Error error;
sb_value = m_opaque_sp->Dereference (error);
}
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::Dereference () => SBValue(%p)", m_opaque_sp.get(), sb_value.get());
return sb_value;
}
bool
SBValue::TypeIsPointerType ()
{
bool is_ptr_type = false;
if (m_opaque_sp)
is_ptr_type = m_opaque_sp->IsPointerType();
LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_API));
if (log)
log->Printf ("SBValue(%p)::TypeIsPointerType () => %i", m_opaque_sp.get(), is_ptr_type);
return is_ptr_type;
}
void *
SBValue::GetOpaqueType()
{
if (m_opaque_sp)
return m_opaque_sp->GetClangType();
return NULL;
}
// Mimic shared pointer...
lldb_private::ValueObject *
SBValue::get() const
{
return m_opaque_sp.get();
}
lldb_private::ValueObject *
SBValue::operator->() const
{
return m_opaque_sp.get();
}
lldb::ValueObjectSP &
SBValue::operator*()
{
return m_opaque_sp;
}
const lldb::ValueObjectSP &
SBValue::operator*() const
{
return m_opaque_sp;
}
bool
SBValue::GetExpressionPath (SBStream &description)
{
if (m_opaque_sp)
{
m_opaque_sp->GetExpressionPath (description.ref(), false);
return true;
}
return false;
}
bool
SBValue::GetExpressionPath (SBStream &description, bool qualify_cxx_base_classes)
{
if (m_opaque_sp)
{
m_opaque_sp->GetExpressionPath (description.ref(), qualify_cxx_base_classes);
return true;
}
return false;
}
bool
SBValue::GetDescription (SBStream &description)
{
if (m_opaque_sp)
{
// Don't call all these APIs and cause more logging!
// const char *name = GetName();
// const char *type_name = GetTypeName ();
// size_t byte_size = GetByteSize ();
// uint32_t num_children = GetNumChildren ();
// bool is_stale = ValueIsStale ();
// description.Printf ("name: '%s', type: %s, size: %d", (name != NULL ? name : "<unknown name>"),
// (type_name != NULL ? type_name : "<unknown type name>"), (int) byte_size);
// if (num_children > 0)
// description.Printf (", num_children: %d", num_children);
//
// if (is_stale)
// description.Printf (" [value is stale]");
description.Printf ("name: '%s'", m_opaque_sp->GetName().GetCString());
}
else
description.Printf ("No value");
return true;
}
lldb::Format
SBValue::GetFormat () const
{
if (m_opaque_sp)
return m_opaque_sp->GetFormat();
return eFormatDefault;
}
void
SBValue::SetFormat (lldb::Format format)
{
if (m_opaque_sp)
m_opaque_sp->SetFormat(format);
}