File indexing completed on 2024-06-16 04:23:17

 /*
     SPDX-FileCopyrightText: 2006 Roberto Raggi <roberto@kdevelop.org>
     SPDX-FileCopyrightText: 2006 Hamish Rodda <rodda@kde.org>
     SPDX-FileCopyrightText: 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de>
 
     SPDX-License-Identifier: LGPL-2.0-only
 */
 
 #ifndef KDEVPLATFORM_TYPESYSTEMDATA_H
 #define KDEVPLATFORM_TYPESYSTEMDATA_H
 
 #include "../appendedlist.h"
 #include "indexedtype.h"
 #include "delayedtype.h"
 #include "identifiedtype.h"
 #include "integraltype.h"
 
 namespace KDevelop {
 KDEVPLATFORMLANGUAGE_EXPORT DECLARE_LIST_MEMBER_HASH(FunctionTypeData, m_arguments, IndexedType)
 
 /**
  * Private data structure for AbstractType.
  *
  * Inherit from this for custom type private data.
  *
  * Within your inherited data types, you can use the mechanisms described in appendedlist.h
  *
  * You must explicitly implement the copy constructor, see appendedlist.h for more information on copying dynamic data.
  * When calling initializeAppendedLists() as described there, you should always use m_dynamic as parameter.
  */
 class KDEVPLATFORMLANGUAGE_EXPORT AbstractTypeData
 {
 public:
     /// Constructor.
     AbstractTypeData();
     /**
      * Copy constructor.
      *
      * While cloning, the dynamic/constant attribute alternates(The copy of dynamic data is constant, and the copy of constant data is dynamic)
      * This means that when copying dynamic data, the size of the allocated buffer must be big enough to hold the appended lists.
      * the AbstractType::copyData function cares about that.
      *
      * \param rhs data to copy.
      */
     AbstractTypeData(const AbstractTypeData& rhs);
     /// Destructor.
     ~AbstractTypeData();
 
     AbstractTypeData& operator=(const AbstractTypeData&) = delete;
 
     /**
      * Internal setup for the data structure.
      *
      * This must be called from actual class that belongs to this data(not parent classes), and the class must have the
      * "Identity" enumerator with a unique identity. Do NOT call this in copy-constructors!
      */
     template <class T>
     void setTypeClassId()
     {
         static_assert(T::Identity < std::numeric_limits<decltype(typeClassId)>::max(), "TypeClass ID out of bounds");
         typeClassId = T::Identity;
     }
 
     /// Stores sizeOf in bytes or -1 if unknown.
     int64_t m_sizeOf = -1;
 
     /**
      * Since alignOf must be integral power of 2, we only need to store the power.
      * The max value (63) represents unknown alignment.
      */
     unsigned m_alignOfExponent : 6;
     static constexpr unsigned MaxAlignOfExponent = 63;
 
     /// Type modifier flags
     quint32 m_modifiers = AbstractType::NoModifiers;
 
     /// Reference-count for this type within the repository. Not used for comparison or hashes.
     uint refCount = 0;
 
     /// Remember which type this data was created for. \sa setTypeClassId()
     quint16 typeClassId;
 
     /// Remember whether this type is in a TypeRepository. Not used for comparison or hashes.
     bool inRepository : 1;
 
     APPENDED_LISTS_STUB(AbstractTypeData)
 
     /// Returns the pure data size of this class(not including anything dynamic).
     uint classSize() const;
 
     /// Returns the complete size of this item in memory, including derived class data and derived class appended list data
     unsigned int itemSize() const;
 
     /// Expensive
     unsigned int hash() const;
 
     void freeDynamicData()
     {
     }
 };
 
 /// Private data structure for IntegralType
 class KDEVPLATFORMLANGUAGE_EXPORT IntegralTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     IntegralTypeData();
     /// Copy constructor. \param rhs data to copy
     IntegralTypeData(const IntegralTypeData& rhs);
     IntegralTypeData& operator=(const IntegralTypeData& rhs) = delete;
     ~IntegralTypeData() = default;
     /// Data type
     uint m_dataType = IntegralType::TypeNone;
 };
 
 /// Private data structure for PointerType
 class KDEVPLATFORMLANGUAGE_EXPORT PointerTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     PointerTypeData();
     /// Copy constructor. \param rhs data to copy
     PointerTypeData(const PointerTypeData& rhs);
     ~PointerTypeData() = default;
     PointerTypeData& operator=(const PointerTypeData& rhs) = delete;
     /// Type of data at which the pointer points
     IndexedType m_baseType;
 };
 
 /// Private data structure for ReferenceType
 class KDEVPLATFORMLANGUAGE_EXPORT ReferenceTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     ReferenceTypeData();
     /// Copy constructor. \param rhs data to copy
     ReferenceTypeData(const ReferenceTypeData& rhs);
     ~ReferenceTypeData() = default;
     ReferenceTypeData& operator=(const ReferenceTypeData& rhs) = delete;
     /// Type of data which is referenced
     IndexedType m_baseType;
     /// True if this is an rvalue-reference, false for lvalue-references
     bool m_isRValue : 1;
 };
 
 KDEVPLATFORMLANGUAGE_EXPORT DECLARE_LIST_MEMBER_HASH(FunctionTypeData, m_arguments, IndexedType)
 
 /// Private data structure for FunctionType
 class KDEVPLATFORMLANGUAGE_EXPORT FunctionTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     FunctionTypeData();
     /// Copy constructor. \param rhs data to copy
     FunctionTypeData(const FunctionTypeData& rhs);
     /// Destructor
     ~FunctionTypeData();
 
     /// Function return type
     IndexedType m_returnType;
 
     START_APPENDED_LISTS_BASE(FunctionTypeData, AbstractTypeData);
 
     APPENDED_LIST_FIRST(FunctionTypeData, IndexedType, m_arguments);
 
     END_APPENDED_LISTS(FunctionTypeData, m_arguments);
 
 private:
     void operator=(const FunctionTypeData& rhs);
 };
 
 /// Private data structure for ReferenceType
 class KDEVPLATFORMLANGUAGE_EXPORT TypeAliasTypeData
     :  public MergeIdentifiedType<AbstractType>::Data
 {
 public:
     /// Type of data which is typedeffed
     IndexedType m_type;
 };
 
 /// Private data structure for StructureType
 class KDEVPLATFORMLANGUAGE_EXPORT StructureTypeData
     : public MergeIdentifiedType<AbstractType>::Data
 {
 public:
     /// Constructor
     StructureTypeData();
     /// Copy constructor. \param rhs data to copy
     StructureTypeData(const StructureTypeData& rhs);
     ~StructureTypeData() = default;
     /// Whether the type is closed yet
     StructureTypeData& operator=(const StructureTypeData& rhs) = delete;
 };
 
 /// Private data structure for ArrayType
 class KDEVPLATFORMLANGUAGE_EXPORT ArrayTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     ArrayTypeData();
     /// Copy constructor. \param rhs data to copy
     ArrayTypeData(const ArrayTypeData& rhs);
     ~ArrayTypeData() = default;
     ArrayTypeData& operator=(const ArrayTypeData& rhs) = delete;
     /// Dimension of the array
     int m_dimension = 0;
     /// Element type of the array
     IndexedType m_elementType;
 };
 
 /// Private data structure for DelayedType
 class KDEVPLATFORMLANGUAGE_EXPORT DelayedTypeData
     : public AbstractTypeData
 {
 public:
     /// Constructor
     DelayedTypeData();
     /// Copy constructor. \param rhs data to copy
     DelayedTypeData(const DelayedTypeData& rhs);
     ~DelayedTypeData() = default;
     DelayedTypeData& operator=(const DelayedTypeData& rhs) = delete;
     /// Identifier of the delayed type
     IndexedTypeIdentifier m_identifier;
     /// Type of delay in resolving the type
     DelayedType::Kind m_kind = DelayedType::Delayed;
 };
 
 /// Private data structure for ConstantIntegralType
 struct ConstantIntegralTypeData
     : public IntegralTypeData
 {
     /// Constructor
     ConstantIntegralTypeData();
     /// Constant integer value
     qint64 m_value = 0;
 };
 }
 #endif