Upgraded PyCXX to version 6.2.5
This commit is contained in:
204
src/CXX/Python3/ExtensionModule.hxx
Normal file
204
src/CXX/Python3/ExtensionModule.hxx
Normal file
@@ -0,0 +1,204 @@
|
||||
//-----------------------------------------------------------------------------
|
||||
//
|
||||
// Copyright (c) 1998 - 2007, The Regents of the University of California
|
||||
// Produced at the Lawrence Livermore National Laboratory
|
||||
// All rights reserved.
|
||||
//
|
||||
// This file is part of PyCXX. For details,see http://cxx.sourceforge.net/. The
|
||||
// full copyright notice is contained in the file COPYRIGHT located at the root
|
||||
// of the PyCXX distribution.
|
||||
//
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are met:
|
||||
//
|
||||
// - Redistributions of source code must retain the above copyright notice,
|
||||
// this list of conditions and the disclaimer below.
|
||||
// - Redistributions in binary form must reproduce the above copyright notice,
|
||||
// this list of conditions and the disclaimer (as noted below) in the
|
||||
// documentation and/or materials provided with the distribution.
|
||||
// - Neither the name of the UC/LLNL nor the names of its contributors may be
|
||||
// used to endorse or promote products derived from this software without
|
||||
// specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
// ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OF THE UNIVERSITY OF
|
||||
// CALIFORNIA, THE U.S. DEPARTMENT OF ENERGY OR CONTRIBUTORS BE LIABLE FOR
|
||||
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
// OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
|
||||
// DAMAGE.
|
||||
//
|
||||
//-----------------------------------------------------------------------------
|
||||
|
||||
#ifndef __CXX_ExtensionModule__h
|
||||
#define __CXX_ExtensionModule__h
|
||||
|
||||
namespace Py
|
||||
{
|
||||
class ExtensionModuleBase
|
||||
{
|
||||
public:
|
||||
ExtensionModuleBase( const char *name );
|
||||
virtual ~ExtensionModuleBase();
|
||||
|
||||
Module module( void ) const; // only valid after initialize() has been called
|
||||
Dict moduleDictionary( void ) const; // only valid after initialize() has been called
|
||||
|
||||
virtual Object invoke_method_noargs( void *method_def ) = 0;
|
||||
virtual Object invoke_method_keyword( void *method_def, const Tuple &_args, const Dict &_keywords ) = 0;
|
||||
virtual Object invoke_method_varargs( void *method_def, const Tuple &_args ) = 0;
|
||||
|
||||
const std::string &name() const;
|
||||
const std::string &fullName() const;
|
||||
|
||||
// what is returned from PyInit_<module> function
|
||||
Object moduleObject( void ) const;
|
||||
|
||||
protected:
|
||||
// Initialize the module
|
||||
void initialize( const char *module_doc );
|
||||
|
||||
const std::string m_module_name;
|
||||
const std::string m_full_module_name;
|
||||
MethodTable m_method_table;
|
||||
PyModuleDef m_module_def;
|
||||
PyObject *m_module;
|
||||
|
||||
private:
|
||||
//
|
||||
// prevent the compiler generating these unwanted functions
|
||||
//
|
||||
ExtensionModuleBase( const ExtensionModuleBase & ); //unimplemented
|
||||
void operator=( const ExtensionModuleBase & ); //unimplemented
|
||||
};
|
||||
|
||||
// Note: Python calls noargs as varargs buts args==NULL
|
||||
extern "C" PyObject *method_noargs_call_handler( PyObject *_self_and_name_tuple, PyObject * );
|
||||
extern "C" PyObject *method_varargs_call_handler( PyObject *_self_and_name_tuple, PyObject *_args );
|
||||
extern "C" PyObject *method_keyword_call_handler( PyObject *_self_and_name_tuple, PyObject *_args, PyObject *_keywords );
|
||||
|
||||
template<TEMPLATE_TYPENAME T>
|
||||
class ExtensionModule : public ExtensionModuleBase
|
||||
{
|
||||
public:
|
||||
ExtensionModule( const char *name )
|
||||
: ExtensionModuleBase( name )
|
||||
{}
|
||||
virtual ~ExtensionModule()
|
||||
{}
|
||||
|
||||
protected:
|
||||
typedef Object (T::*method_noargs_function_t)();
|
||||
typedef Object (T::*method_varargs_function_t)( const Tuple &args );
|
||||
typedef Object (T::*method_keyword_function_t)( const Tuple &args, const Dict &kws );
|
||||
typedef std::map<std::string, MethodDefExt<T> *> method_map_t;
|
||||
|
||||
static void add_noargs_method( const char *name, method_noargs_function_t function, const char *doc="" )
|
||||
{
|
||||
method_map_t &mm = methods();
|
||||
mm[ std::string( name ) ] = new MethodDefExt<T>( name, function, method_noargs_call_handler, doc );
|
||||
}
|
||||
|
||||
static void add_varargs_method( const char *name, method_varargs_function_t function, const char *doc="" )
|
||||
{
|
||||
method_map_t &mm = methods();
|
||||
mm[ std::string( name ) ] = new MethodDefExt<T>( name, function, method_varargs_call_handler, doc );
|
||||
}
|
||||
|
||||
static void add_keyword_method( const char *name, method_keyword_function_t function, const char *doc="" )
|
||||
{
|
||||
method_map_t &mm = methods();
|
||||
mm[ std::string( name ) ] = new MethodDefExt<T>( name, function, method_keyword_call_handler, doc );
|
||||
}
|
||||
|
||||
void initialize( const char *module_doc="" )
|
||||
{
|
||||
ExtensionModuleBase::initialize( module_doc );
|
||||
Dict dict( moduleDictionary() );
|
||||
|
||||
//
|
||||
// put each of the methods into the modules dictionary
|
||||
// so that we get called back at the function in T.
|
||||
//
|
||||
method_map_t &mm = methods();
|
||||
EXPLICIT_TYPENAME method_map_t::const_iterator i = mm.begin();
|
||||
EXPLICIT_TYPENAME method_map_t::const_iterator i_end = mm.end();
|
||||
for ( ; i != i_end; ++i )
|
||||
{
|
||||
MethodDefExt<T> *method_def = (*i).second;
|
||||
|
||||
static PyObject *self = PyCapsule_New( this, NULL, NULL );
|
||||
|
||||
Tuple args( 2 );
|
||||
args[0] = Object( self, true );
|
||||
args[1] = Object( PyCapsule_New( method_def, NULL, NULL ), true );
|
||||
|
||||
PyObject *func = PyCFunction_New
|
||||
(
|
||||
&method_def->ext_meth_def,
|
||||
new_reference_to( args )
|
||||
);
|
||||
|
||||
method_def->py_method = Object( func, true );
|
||||
|
||||
dict[ (*i).first ] = method_def->py_method;
|
||||
}
|
||||
}
|
||||
|
||||
protected: // Tom Malcolmson reports that derived classes need access to these
|
||||
static method_map_t &methods( void )
|
||||
{
|
||||
static method_map_t *map_of_methods = NULL;
|
||||
if( map_of_methods == NULL )
|
||||
map_of_methods = new method_map_t;
|
||||
|
||||
return *map_of_methods;
|
||||
}
|
||||
|
||||
// this invoke function must be called from within a try catch block
|
||||
virtual Object invoke_method_noargs( void *method_def )
|
||||
{
|
||||
// cast up to the derived class, method_def and call
|
||||
T *self = static_cast<T *>( this );
|
||||
MethodDefExt<T> *meth_def = reinterpret_cast<MethodDefExt<T> *>( method_def );
|
||||
|
||||
return (self->*meth_def->ext_noargs_function)();
|
||||
}
|
||||
|
||||
// this invoke function must be called from within a try catch block
|
||||
virtual Object invoke_method_varargs( void *method_def, const Tuple &args )
|
||||
{
|
||||
// cast up to the derived class, method_def and call
|
||||
T *self = static_cast<T *>( this );
|
||||
MethodDefExt<T> *meth_def = reinterpret_cast<MethodDefExt<T> *>( method_def );
|
||||
|
||||
return (self->*meth_def->ext_varargs_function)( args );
|
||||
}
|
||||
|
||||
// this invoke function must be called from within a try catch block
|
||||
virtual Object invoke_method_keyword( void *method_def, const Tuple &args, const Dict &keywords )
|
||||
{
|
||||
// cast up to the derived class, method_def and call
|
||||
T *self = static_cast<T *>( this );
|
||||
MethodDefExt<T> *meth_def = reinterpret_cast<MethodDefExt<T> *>( method_def );
|
||||
|
||||
return (self->*meth_def->ext_keyword_function)( args, keywords );
|
||||
}
|
||||
|
||||
private:
|
||||
//
|
||||
// prevent the compiler generating these unwanted functions
|
||||
//
|
||||
ExtensionModule( const ExtensionModule<T> & ); //unimplemented
|
||||
void operator=( const ExtensionModule<T> & ); //unimplemented
|
||||
};
|
||||
} // Namespace Py
|
||||
|
||||
|
||||
// End of __CXX_ExtensionModule__h
|
||||
#endif
|
||||
Reference in New Issue
Block a user