118 lines
4.2 KiB
C++
118 lines
4.2 KiB
C++
// Filename: functionWriterPtrFromPython.cxx
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// Created by: drose (14Sep01)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#include "functionWriterPtrFromPython.h"
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#include "typeManager.h"
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#include "interrogateBuilder.h"
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#include "interrogate.h"
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#include "cppPointerType.h"
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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FunctionWriterPtrFromPython::
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FunctionWriterPtrFromPython(CPPType *type) {
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_type = TypeManager::unwrap_const(TypeManager::unwrap_pointer(type));
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_name =
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"from_python_" +
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InterrogateBuilder::clean_identifier(_type->get_local_name(&parser));
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_pointer_type = new CPPPointerType(_type);
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}
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::Destructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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FunctionWriterPtrFromPython::
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~FunctionWriterPtrFromPython() {
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delete _pointer_type;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::write_prototype
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// Access: Public, Virtual
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// Description: Outputs the prototype for the function.
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////////////////////////////////////////////////////////////////////
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void FunctionWriterPtrFromPython::
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write_prototype(ostream &out) {
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CPPType *ppointer = new CPPPointerType(_pointer_type);
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out << "static int " << _name << "(PyObject *obj, ";
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ppointer->output_instance(out, "addr", &parser);
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out << ");\n";
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delete ppointer;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::write_code
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// Access: Public, Virtual
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// Description: Outputs the code for the function.
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////////////////////////////////////////////////////////////////////
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void FunctionWriterPtrFromPython::
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write_code(ostream &out) {
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CPPType *ppointer = new CPPPointerType(_pointer_type);
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out << "static int\n"
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<< _name << "(PyObject *obj, ";
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ppointer->output_instance(out, "addr", &parser);
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out << ") {\n"
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<< " if (obj != (PyObject *)NULL && PyInstance_Check(obj)) {\n"
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// << " PyClassObject *in_class = ((PyInstanceObject *)obj)->in_class;\n"
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<< " PyObject *in_dict = ((PyInstanceObject *)obj)->in_dict;\n"
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<< " if (in_dict != (PyObject *)NULL && PyDict_Check(in_dict)) {\n"
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<< " PyObject *thisobj = PyDict_GetItemString(in_dict, \"this\");\n"
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<< " if (thisobj != (PyObject *)NULL && PyInt_Check(thisobj)) {\n"
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<< " (*addr) = ("
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<< _pointer_type->get_local_name(&parser) << ")PyInt_AsLong(thisobj);\n"
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<< " return 1;\n"
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<< " }\n"
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<< " }\n"
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<< " }\n"
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<< " return 0;\n"
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<< "}\n\n";
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delete ppointer;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::get_type
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// Access: Public
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// Description: Returns the type that represents the actual data type.
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////////////////////////////////////////////////////////////////////
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CPPType *FunctionWriterPtrFromPython::
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get_type() const {
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return _type;
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}
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////////////////////////////////////////////////////////////////////
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// Function: FunctionWriterPtrFromPython::get_pointer_type
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// Access: Public
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// Description: Returns the type that represents a pointer to the
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// data type.
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////////////////////////////////////////////////////////////////////
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CPPType *FunctionWriterPtrFromPython::
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get_pointer_type() const {
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return _pointer_type;
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}
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