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Fixed compilation of wxVector<T> with VC6:

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* reverted VC6 hack in wxIf<>, using helper struct instead of typedef
  didn't fix compilation, only caused the compiler to crash instead
  of emitting semi-useful errors
* changed wxVector to use typedef for Ops class instead of privately
  deriving from wxIf<...>::value; this is enough to make VC6 happy



git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51471 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2008-01-31 11:26:52 +00:00
parent e047f594b6
commit c9faa9e9a2
2 changed files with 18 additions and 37 deletions
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27
include/wx/vector.h
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@@ -102,12 +102,19 @@ struct wxVectorMemOpsGeneric
template<typename T>
class wxVector
// this cryptic expression means "derive from wxVectorMemOpsMovable if
// type T is movable type, otherwise derive from wxVectorMemOpsGeneric
: private wxIf< wxIsMovable<T>::value,
wxPrivate::wxVectorMemOpsMovable<T>,
wxPrivate::wxVectorMemOpsGeneric<T> >::value
{
private:
// Tthis cryptic expression means "typedef Ops to wxVectorMemOpsMovable if
// type T is movable type, otherwise to wxVectorMemOpsGeneric".
//
// Note that we use typedef instead of privately deriving from this (which
// would allowed us to omit "Ops::" prefixes below) to keep VC6 happy,
// it can't compile code that derives from wxIf<...>::value.
typedef typename wxIf< wxIsMovable<T>::value,
wxPrivate::wxVectorMemOpsMovable<T>,
wxPrivate::wxVectorMemOpsGeneric<T> >::value
Ops;
public:
typedef size_t size_type;
typedef T value_type;
@@ -135,7 +142,7 @@ public:
m_values[i].~T();
}
Free(m_values);
Ops::Free(m_values);
m_values = NULL;
m_size = m_capacity = 0;
}
@@ -156,7 +163,7 @@ public:
if ( m_capacity + increment > n )
n = m_capacity + increment;
m_values = Realloc(m_values, n * sizeof(value_type), m_size);
m_values = Ops::Realloc(m_values, n * sizeof(value_type), m_size);
m_capacity = n;
}
@@ -239,7 +246,7 @@ public:
// the way:
if ( after > 0 )
{
MemmoveForward(m_values + idx + 1, m_values + idx, after);
Ops::MemmoveForward(m_values + idx + 1, m_values + idx, after);
}
#if wxUSE_EXCEPTIONS
@@ -258,7 +265,7 @@ public:
// back to their original positions in m_values
if ( after > 0 )
{
MemmoveBackward(m_values + idx, m_values + idx + 1, after);
Ops::MemmoveBackward(m_values + idx, m_values + idx + 1, after);
}
throw; // rethrow the exception
@@ -295,7 +302,7 @@ public:
// once that's done, move following elements over to the freed space:
if ( after > 0 )
{
MemmoveBackward(m_values + idx, m_values + idx + count, after);
Ops::MemmoveBackward(m_values + idx, m_values + idx + count, after);
}
m_size -= count;