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//===-- ValueObjectSyntheticFilter.h -------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ValueObjectSyntheticFilter_h_
#define liblldb_ValueObjectSyntheticFilter_h_
// C Includes
// C++ Includes
#include <vector>
// Other libraries and framework includes
// Project includes
#include "lldb/Core/ThreadSafeSTLMap.h"
#include "lldb/Core/ValueObject.h"
namespace lldb_private {
//----------------------------------------------------------------------
// A ValueObject that obtains its children from some source other than
// real information
// This is currently used to implement Python-based children and filters
// but you can bind it to any source of synthetic information and have
// it behave accordingly
//----------------------------------------------------------------------
class ValueObjectSynthetic : public ValueObject
{
public:
virtual
~ValueObjectSynthetic();
virtual uint64_t
GetByteSize();
virtual ConstString
GetTypeName();
virtual ConstString
GetQualifiedTypeName();
virtual ConstString
GetDisplayTypeName();
virtual bool
MightHaveChildren();
virtual size_t
CalculateNumChildren();
virtual lldb::ValueType
GetValueType() const;
virtual lldb::ValueObjectSP
GetChildAtIndex (size_t idx, bool can_create);
virtual lldb::ValueObjectSP
GetChildMemberWithName (const ConstString &name, bool can_create);
virtual size_t
GetIndexOfChildWithName (const ConstString &name);
virtual lldb::ValueObjectSP
GetDynamicValue (lldb::DynamicValueType valueType);
virtual bool
IsInScope ();
virtual bool
HasSyntheticValue()
{
return false;
}
virtual bool
IsSynthetic() { return true; }
virtual void
CalculateSyntheticValue (bool use_synthetic)
{
}
virtual bool
IsDynamic ()
{
if (m_parent)
return m_parent->IsDynamic();
else
return false;
}
virtual lldb::ValueObjectSP
GetStaticValue ()
{
if (m_parent)
return m_parent->GetStaticValue();
else
return GetSP();
}
virtual lldb::DynamicValueType
GetDynamicValueType ()
{
if (m_parent)
return m_parent->GetDynamicValueType();
else
return lldb::eNoDynamicValues;
}
virtual ValueObject *
GetParent()
{
if (m_parent)
return m_parent->GetParent();
else
return NULL;
}
virtual const ValueObject *
GetParent() const
{
if (m_parent)
return m_parent->GetParent();
else
return NULL;
}
virtual lldb::ValueObjectSP
GetNonSyntheticValue ();
virtual bool
CanProvideValue ();
virtual bool
DoesProvideSyntheticValue ()
{
return (UpdateValueIfNeeded(), m_provides_value == eLazyBoolYes);
}
virtual bool
SetValueFromCString (const char *value_str, Error& error);
protected:
virtual bool
UpdateValue ();
virtual ClangASTType
GetClangTypeImpl ();
virtual void
CreateSynthFilter ();
// we need to hold on to the SyntheticChildren because someone might delete the type binding while we are alive
lldb::SyntheticChildrenSP m_synth_sp;
std::unique_ptr<SyntheticChildrenFrontEnd> m_synth_filter_ap;
typedef ThreadSafeSTLMap<uint32_t, ValueObject*> ByIndexMap;
typedef ThreadSafeSTLMap<const char*, uint32_t> NameToIndexMap;
typedef ByIndexMap::iterator ByIndexIterator;
typedef NameToIndexMap::iterator NameToIndexIterator;
ByIndexMap m_children_byindex;
NameToIndexMap m_name_toindex;
uint32_t m_synthetic_children_count; // FIXME use the ValueObject's ChildrenManager instead of a special purpose solution
ConstString m_parent_type_name;
LazyBool m_might_have_children;
LazyBool m_provides_value;
private:
friend class ValueObject;
ValueObjectSynthetic (ValueObject &parent, lldb::SyntheticChildrenSP filter);
void
CopyValueData (ValueObject *source);
//------------------------------------------------------------------
// For ValueObject only
//------------------------------------------------------------------
DISALLOW_COPY_AND_ASSIGN (ValueObjectSynthetic);
};
} // namespace lldb_private
#endif // liblldb_ValueObjectSyntheticFilter_h_
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