#else
-// namespace support was first implemented in gcc-2.95,
-// so avoid using it for older versions.
-#if !defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 95)
-
-#define wxHAS_NAMESPACES
-
namespace wxPrivate
{
-#else
-#define wxPrivate
-#endif
// in the original implementation this was a member template function of
// ScopeGuardImplBase but gcc 2.8 which is still used for OS/2 doesn't
// support member templates and so we must make it global
void Use(const T& WXUNUSED(t))
{
}
-#if !defined(__GNUC__) || wxCHECK_GCC_VERSION(2, 95)
} // namespace wxPrivate
-#endif
#define wxPrivateOnScopeExit(n) wxPrivate::OnScopeExit(n)
#define wxPrivateUse(n) wxPrivate::Use(n)
static wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>
MakeObjGuard(Obj& obj, MemFun memFun, P1 p1, P2 p2, P3 p3)
{
- return wxObjScopeGuardImpl3<Obj, MemFun, P1, P3>(obj, memFun, p1, p2, p3);
+ return wxObjScopeGuardImpl3<Obj, MemFun, P1, P2, P3>(obj, memFun, p1, p2, p3);
}
~wxObjScopeGuardImpl3() { wxPrivateOnScopeExit(*this); }
// setting a variable to some value on block exit
// ----------------------------------------------------------------------------
-#ifdef wxHAS_NAMESPACES
-
namespace wxPrivate
{
// empty class just to be able to define a reference to it
-class VariableSetterBase { };
+class VariableSetterBase : public wxScopeGuardImplBase { };
typedef const VariableSetterBase& VariableSetter;
class VariableSetterImpl : public VariableSetterBase
{
public:
- VariableSetterImpl(T& var, const U& value)
+ VariableSetterImpl(T& var, U value)
: m_var(var),
m_value(value)
{
}
- ~VariableSetterImpl()
- {
- m_var = m_value;
- }
+ ~VariableSetterImpl() { wxPrivateOnScopeExit(*this); }
+
+ void Execute() { m_var = m_value; }
private:
T& m_var;
- const U& m_value;
+ const U m_value;
// suppress the warning about assignment operator not being generated
VariableSetterImpl<T, U>& operator=(const VariableSetterImpl<T, U>&);
{
}
- ~VariableNullerImpl()
- {
- m_var = NULL;
- }
+ ~VariableNullerImpl() { wxPrivateOnScopeExit(*this); }
+
+ void Execute() { m_var = NULL; }
private:
T& m_var;
template <typename T, typename U>
inline
-wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, const U& value)
+wxPrivate::VariableSetterImpl<T, U> wxMakeVarSetter(T& var, U value)
{
return wxPrivate::VariableSetterImpl<T, U>(var, value);
}
return wxPrivate::VariableNullerImpl<T>(var);
}
-#endif // wxHAS_NAMESPACES
-
// ============================================================================
// macros for declaring unnamed scoped guards (which can't be dismissed)
// ============================================================================