Added SetNoneComparison call to PYTHON::top

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4479 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Mark Rose 2003-03-08 10:01:30 +00:00
commit f10ce6cc84
7 changed files with 55 additions and 35 deletions

View file

@ -46,7 +46,7 @@
</ul>
<li><a href="#n32">Cross language polymorphism (experimental)</a>
<ul>
<li><a href="#n33">Command line options</a>
<li><a href="#n33">Enabling directors</a>
<li><a href="#n34">Director classes</a>
<li><a href="#n35">Ownership and object destruction</a>
<li><a href="#n36">Exception unrolling</a>
@ -1911,6 +1911,7 @@ function or through an instance (see the earlier section).
<a name="n32"></a><H2>19.5 Cross language polymorphism (experimental)</H2>
Proxy classes provide a more natural, object-oriented way to access
extension classes. As described above, each proxy instance has an
associated C++ instance, and method calls to the proxy are passed to the
@ -1938,6 +1939,7 @@ all the cross-language method routing transparently.
<a name="n33"></a><H3>19.5.1 Enabling directors</H3>
The director feature is disabled by default. To use directors you
must make two changes to the interface file. First, add the "directors"
option to the %module directive, like this:
@ -2002,6 +2004,7 @@ public:
<a name="n34"></a><H3>19.5.2 Director classes</H3>
For each class that has directors enabled, SWIG generates a new class
that derives from both the class in question and a special
<tt>__DIRECTOR__</tt> class. These new classes, referred to as director
@ -2074,6 +2077,7 @@ calls through Python.
<a name="n35"></a><H3>19.5.3 Ownership and object destruction</H3>
Memory management issues are slightly more complicated with directors
than for proxy classes alone. Python instances hold a pointer to the
associated C++ director object, and the director in turn holds a pointer
@ -2133,6 +2137,7 @@ references to the Foo objects remain in Python.
<a name="n36"></a><H3>19.5.4 Exception unrolling</H3>
With directors routing method calls to Python, and proxies routing them
to C++, the handling of exceptions is an important concern. By default, the
directors ignore exceptions that occur during method calls that are
@ -2184,6 +2189,7 @@ exception as soon as the C wrapper function returns.
<a name="n37"></a><H3>19.5.5 Overhead and code bloat</H3>
Enabling directors for a class will generate a new director method for
every virtual method in the class' inheritance chain. This alone can
generate a lot of code bloat for large hierarchies. Method arguments
@ -2213,6 +2219,7 @@ Python.
<a name="n38"></a><H3>19.5.6 Typemaps</H3>
Typemaps for input and output of most of the basic types from director
classes have been written. These are roughly the reverse of the usual
input and output typemaps used by the wrapper code. The typemap
@ -3638,4 +3645,4 @@ class object (if applicable).
<address>SWIG 1.3 - Last Modified : August 7, 2002</address>
</body>
</html>
</html>