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//===-- TypeValidator.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef lldb_TypeValidator_h_
#define lldb_TypeValidator_h_
// C Includes
// C++ Includes
#include <string>
#include <functional>
// Other libraries and framework includes
// Project includes
#include "lldb/lldb-public.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-private-enumerations.h"
namespace lldb_private {
class TypeValidatorImpl
{
public:
class Flags
{
public:
Flags () :
m_flags (lldb::eTypeOptionCascade)
{}
Flags (const Flags& other) :
m_flags (other.m_flags)
{}
Flags (uint32_t value) :
m_flags (value)
{}
Flags&
operator = (const Flags& rhs)
{
if (&rhs != this)
m_flags = rhs.m_flags;
return *this;
}
Flags&
operator = (const uint32_t& rhs)
{
m_flags = rhs;
return *this;
}
Flags&
Clear()
{
m_flags = 0;
return *this;
}
bool
GetCascades () const
{
return (m_flags & lldb::eTypeOptionCascade) == lldb::eTypeOptionCascade;
}
Flags&
SetCascades (bool value = true)
{
if (value)
m_flags |= lldb::eTypeOptionCascade;
else
m_flags &= ~lldb::eTypeOptionCascade;
return *this;
}
bool
GetSkipPointers () const
{
return (m_flags & lldb::eTypeOptionSkipPointers) == lldb::eTypeOptionSkipPointers;
}
Flags&
SetSkipPointers (bool value = true)
{
if (value)
m_flags |= lldb::eTypeOptionSkipPointers;
else
m_flags &= ~lldb::eTypeOptionSkipPointers;
return *this;
}
bool
GetSkipReferences () const
{
return (m_flags & lldb::eTypeOptionSkipReferences) == lldb::eTypeOptionSkipReferences;
}
Flags&
SetSkipReferences (bool value = true)
{
if (value)
m_flags |= lldb::eTypeOptionSkipReferences;
else
m_flags &= ~lldb::eTypeOptionSkipReferences;
return *this;
}
bool
GetNonCacheable () const
{
return (m_flags & lldb::eTypeOptionNonCacheable) == lldb::eTypeOptionNonCacheable;
}
Flags&
SetNonCacheable (bool value = true)
{
if (value)
m_flags |= lldb::eTypeOptionNonCacheable;
else
m_flags &= ~lldb::eTypeOptionNonCacheable;
return *this;
}
uint32_t
GetValue ()
{
return m_flags;
}
void
SetValue (uint32_t value)
{
m_flags = value;
}
private:
uint32_t m_flags;
};
TypeValidatorImpl (const Flags& flags = Flags());
typedef std::shared_ptr<TypeValidatorImpl> SharedPointer;
typedef bool(*ValueCallback)(void*, ConstString, const lldb::TypeValidatorImplSP&);
virtual ~TypeValidatorImpl ();
bool
Cascades () const
{
return m_flags.GetCascades();
}
bool
SkipsPointers () const
{
return m_flags.GetSkipPointers();
}
bool
SkipsReferences () const
{
return m_flags.GetSkipReferences();
}
bool
NonCacheable () const
{
return m_flags.GetNonCacheable();
}
void
SetCascades (bool value)
{
m_flags.SetCascades(value);
}
void
SetSkipsPointers (bool value)
{
m_flags.SetSkipPointers(value);
}
void
SetSkipsReferences (bool value)
{
m_flags.SetSkipReferences(value);
}
void
SetNonCacheable (bool value)
{
m_flags.SetNonCacheable(value);
}
uint32_t
GetOptions ()
{
return m_flags.GetValue();
}
void
SetOptions (uint32_t value)
{
m_flags.SetValue(value);
}
uint32_t&
GetRevision ()
{
return m_my_revision;
}
enum class Type
{
eTypeUnknown,
eTypeCXX
};
struct ValidationResult {
TypeValidatorResult m_result;
std::string m_message;
};
virtual Type
GetType ()
{
return Type::eTypeUnknown;
}
// we are using a ValueObject* instead of a ValueObjectSP because we do not need to hold on to this for
// extended periods of time and we trust the ValueObject to stay around for as long as it is required
// for us to generate its value
virtual ValidationResult
FormatObject (ValueObject *valobj) const = 0;
virtual std::string
GetDescription() = 0;
static ValidationResult
Success ();
static ValidationResult
Failure (std::string message);
protected:
Flags m_flags;
uint32_t m_my_revision;
private:
DISALLOW_COPY_AND_ASSIGN(TypeValidatorImpl);
};
class TypeValidatorImpl_CXX : public TypeValidatorImpl
{
public:
typedef std::function<TypeValidatorImpl::ValidationResult(ValueObject* valobj)> ValidatorFunction;
TypeValidatorImpl_CXX (ValidatorFunction f, std::string d, const TypeValidatorImpl::Flags& flags = Flags());
typedef std::shared_ptr<TypeValidatorImpl_CXX> SharedPointer;
typedef bool(*ValueCallback)(void*, ConstString, const TypeValidatorImpl_CXX::SharedPointer&);
virtual ~TypeValidatorImpl_CXX ();
ValidatorFunction
GetValidatorFunction () const
{
return m_validator_function;
}
void
SetValidatorFunction (ValidatorFunction f)
{
m_validator_function = f;
}
virtual TypeValidatorImpl::Type
GetType ()
{
return TypeValidatorImpl::Type::eTypeCXX;
}
virtual ValidationResult
FormatObject (ValueObject *valobj) const;
virtual std::string
GetDescription();
protected:
std::string m_description;
ValidatorFunction m_validator_function;
private:
DISALLOW_COPY_AND_ASSIGN(TypeValidatorImpl_CXX);
};
} // namespace lldb_private
#endif // lldb_TypeValidator_h_
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