/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file interfaceMakerPython.cxx
 * @author drose
 * @date 2001-09-21
 */

#include "interfaceMakerPython.h"
#include "interrogate.h"

/**
 *
 */
InterfaceMakerPython::
InterfaceMakerPython(InterrogateModuleDef *def) :
  InterfaceMaker(def)
{
}

/**
 * Generates the list of #include ... whatever that's required by this
 * particular interface to the indicated output stream.
 */
void InterfaceMakerPython::
write_includes(std::ostream &out) {
  InterfaceMaker::write_includes(out);
  out << "#undef _POSIX_C_SOURCE\n"
      << "#undef _XOPEN_SOURCE\n"
      << "#define PY_SSIZE_T_CLEAN 1\n\n"
      << "#if PYTHON_FRAMEWORK\n"
      << "  #include <Python/Python.h>\n"
      << "#else\n"
      << "  #include \"Python.h\"\n"
      << "#endif\n";
}

/**
 * Outputs code to check to see if an assertion has failed while the C++ code
 * was executing, and report this failure back to Python.
 */
void InterfaceMakerPython::
test_assert(std::ostream &out, int indent_level) const {
  if (watch_asserts) {
    out << "#ifndef NDEBUG\n";
    indent(out, indent_level)
      << "Notify *notify = Notify::ptr();\n";
    indent(out, indent_level)
      << "if (UNLIKELY(notify->has_assert_failed())) {\n";
    indent(out, indent_level + 2)
      << "PyErr_SetString(PyExc_AssertionError, notify->get_assert_error_message().c_str());\n";
    indent(out, indent_level + 2)
      << "notify->clear_assert_failed();\n";
    indent(out, indent_level + 2)
      << "return nullptr;\n";
    indent(out, indent_level)
      << "}\n";
    indent(out, indent_level)
      << "if (PyErr_Occurred()) {\n";
    indent(out, indent_level + 2)
      << "return nullptr;\n";
    indent(out, indent_level)
      << "}\n";
    out << "#endif\n";
  }
}