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| //===-- TypeFormat.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_TypeFormat_h_
#define lldb_TypeFormat_h_
#include <functional>
#include <string>
#include <unordered_map>
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-public.h"
#include "lldb/Core/ValueObject.h"
namespace lldb_private {
class TypeFormatImpl {
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;
};
TypeFormatImpl(const Flags &flags = Flags());
typedef std::shared_ptr<TypeFormatImpl> SharedPointer;
virtual ~TypeFormatImpl();
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, eTypeFormat, eTypeEnum };
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 bool FormatObject(ValueObject *valobj, std::string &dest) const = 0;
virtual std::string GetDescription() = 0;
protected:
Flags m_flags;
uint32_t m_my_revision;
private:
DISALLOW_COPY_AND_ASSIGN(TypeFormatImpl);
};
class TypeFormatImpl_Format : public TypeFormatImpl {
public:
TypeFormatImpl_Format(lldb::Format f = lldb::eFormatInvalid,
const TypeFormatImpl::Flags &flags = Flags());
typedef std::shared_ptr<TypeFormatImpl_Format> SharedPointer;
~TypeFormatImpl_Format() override;
lldb::Format GetFormat() const { return m_format; }
void SetFormat(lldb::Format fmt) { m_format = fmt; }
TypeFormatImpl::Type GetType() override {
return TypeFormatImpl::Type::eTypeFormat;
}
bool FormatObject(ValueObject *valobj, std::string &dest) const override;
std::string GetDescription() override;
protected:
lldb::Format m_format;
private:
DISALLOW_COPY_AND_ASSIGN(TypeFormatImpl_Format);
};
class TypeFormatImpl_EnumType : public TypeFormatImpl {
public:
TypeFormatImpl_EnumType(ConstString type_name = ConstString(""),
const TypeFormatImpl::Flags &flags = Flags());
typedef std::shared_ptr<TypeFormatImpl_EnumType> SharedPointer;
~TypeFormatImpl_EnumType() override;
ConstString GetTypeName() { return m_enum_type; }
void SetTypeName(ConstString enum_type) { m_enum_type = enum_type; }
TypeFormatImpl::Type GetType() override {
return TypeFormatImpl::Type::eTypeEnum;
}
bool FormatObject(ValueObject *valobj, std::string &dest) const override;
std::string GetDescription() override;
protected:
ConstString m_enum_type;
mutable std::unordered_map<void *, CompilerType> m_types;
private:
DISALLOW_COPY_AND_ASSIGN(TypeFormatImpl_EnumType);
};
} // namespace lldb_private
#endif // lldb_TypeFormat_h_
|