81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file functionWriterPtrToPython.cxx
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* @author drose
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* @date 2001-09-14
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*/
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#include "functionWriterPtrToPython.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 "interfaceMakerPythonObj.h"
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#include "cppPointerType.h"
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/**
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*
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*/
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FunctionWriterPtrToPython::
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FunctionWriterPtrToPython(CPPType *type) {
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_type = TypeManager::unwrap_const(TypeManager::unwrap_pointer(type));
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_name =
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"to_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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*
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*/
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FunctionWriterPtrToPython::
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~FunctionWriterPtrToPython() {
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delete _pointer_type;
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}
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/**
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* Outputs the prototype for the function.
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*/
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void FunctionWriterPtrToPython::
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write_prototype(std::ostream &out) {
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out << "static PyObject *" << _name << "(";
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_pointer_type->output_instance(out, "addr", &parser);
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out << ", int caller_manages);\n";
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}
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/**
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* Outputs the code for the function.
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*/
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void FunctionWriterPtrToPython::
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write_code(std::ostream &out) {
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std::string classobj_func = InterfaceMakerPythonObj::get_builder_name(_type);
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out << "static PyObject *\n"
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<< _name << "(";
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_pointer_type->output_instance(out, "addr", &parser);
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out << ", int caller_manages) {\n"
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<< " PyObject *" << classobj_func << "();\n"
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<< " PyObject *classobj = " << classobj_func << "();\n"
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<< " PyInstanceObject *instance = (PyInstanceObject *)PyInstance_New(classobj, nullptr, nullptr);\n"
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<< " if (instance != nullptr) {\n"
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<< " PyObject *thisptr = PyLong_FromVoidPtr((void*)addr);\n"
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<< " PyDict_SetItemString(instance->in_dict, \"this\", thisptr);\n"
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<< " }\n"
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<< " return (PyObject *)instance;\n"
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<< "}\n\n";
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}
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/**
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* Returns the type that represents a pointer to the data type.
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*/
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CPPType *FunctionWriterPtrToPython::
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get_pointer_type() const {
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return _pointer_type;
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}
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