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//===-- TypeValidator.h ------------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef lldb_TypeValidator_h_
#define lldb_TypeValidator_h_
#include <functional>
#include <string>
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-public.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;
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;
~TypeValidatorImpl_CXX() override;
ValidatorFunction GetValidatorFunction() const {
return m_validator_function;
}
void SetValidatorFunction(ValidatorFunction f) { m_validator_function = f; }
TypeValidatorImpl::Type GetType() override {
return TypeValidatorImpl::Type::eTypeCXX;
}
ValidationResult FormatObject(ValueObject *valobj) const override;
std::string GetDescription() override;
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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