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

 /*
     SPDX-FileCopyrightText: 2002-2005 Roberto Raggi <roberto@kdevelop.org>
     SPDX-FileCopyrightText: 2006 Adam Treat <treat@kde.org>
     SPDX-FileCopyrightText: 2006-2008 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_CONSTANTINTEGRALTYPE_H
 #define KDEVPLATFORM_CONSTANTINTEGRALTYPE_H
 
 #include "integraltype.h"
 #include "typesystemdata.h"
 
 namespace KDevelop {
 template <typename T>
 T constant_value(const qint64* realval)
 {
     T value;
     memcpy(&value, realval, sizeof(T));
     return value;
 }
 
 class KDEVPLATFORMLANGUAGE_EXPORT ConstantIntegralType
     : public IntegralType
 {
 public:
     ConstantIntegralType(const ConstantIntegralType& rhs);
 
     explicit ConstantIntegralType(ConstantIntegralTypeData& data);
 
     explicit ConstantIntegralType(uint type = TypeNone);
 
     ConstantIntegralType& operator=(const ConstantIntegralType& rhs) = delete;
 
     using Ptr = TypePtr<ConstantIntegralType>;
 
     /**The types and modifiers are not changed!
      * The values are casted internally to the local representation, so you can lose precision.
      * */
     template <class ValueType>
     void setValue(ValueType value)
     {
         if (AbstractType::modifiers() & UnsignedModifier)
             setValueInternal<quint64>(value);
         else if (IntegralType::dataType() == TypeHalf)
             setValueInternal<float>(value);
         else if (IntegralType::dataType() == TypeFloat)
             setValueInternal<float>(value);
         else if (IntegralType::dataType() == TypeDouble)
             setValueInternal<double>(value);
         else
             setValueInternal<qint64>(value);
     }
 
     /**
      * For booleans, the value is 1 for true, and 0 for false.
      * All signed values should be retrieved and set through value(),
      *
      * */
     template <class ValueType>
     ValueType value() const
     {
         if (modifiers() & UnsignedModifier) {
             return constant_value<quint64>(&d_func()->m_value);
         } else if (dataType() == TypeHalf) {
             return constant_value<float>(&d_func()->m_value);
         } else if (dataType() == TypeFloat) {
             return constant_value<float>(&d_func()->m_value);
         } else if (dataType() == TypeDouble) {
             return constant_value<double>(&d_func()->m_value);
         } else {
             return constant_value<qint64>(&d_func()->m_value);
         }
     }
 
     qint64 plainValue() const;
 
     QString toString() const override;
 
     QString valueAsString() const;
 
     bool equals(const KDevelop::AbstractType* rhs) const override;
 
     KDevelop::AbstractType* clone() const override;
 
     uint hash() const override;
 
     enum {
         Identity = 14
     };
 
     using Data = ConstantIntegralTypeData;
 
 protected:
     TYPE_DECLARE_DATA(ConstantIntegralType);
 
 private:
     //Sets the value without casting
     template <class ValueType>
     void setValueInternal(ValueType value);
 };
 }
 
 #endif // KDEVPLATFORM_CONSTANTINTEGRALTYPE_H