1 //===- PybindUtils.h - Utilities for interop with pybind11 ------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #ifndef MLIR_BINDINGS_PYTHON_PYBINDUTILS_H
10 #define MLIR_BINDINGS_PYTHON_PYBINDUTILS_H
11 
12 #include <pybind11/pybind11.h>
13 #include <pybind11/stl.h>
14 
15 #include "llvm/ADT/Optional.h"
16 #include "llvm/ADT/Twine.h"
17 
18 namespace pybind11 {
19 namespace detail {
20 template <typename T>
21 struct type_caster<llvm::Optional<T>> : optional_caster<llvm::Optional<T>> {};
22 } // namespace detail
23 } // namespace pybind11
24 
25 namespace mlir {
26 namespace python {
27 
28 // Sets a python error, ready to be thrown to return control back to the
29 // python runtime.
30 // Correct usage:
31 //   throw SetPyError(PyExc_ValueError, "Foobar'd");
32 pybind11::error_already_set SetPyError(PyObject *excClass,
33                                        const llvm::Twine &message);
34 
35 } // namespace python
36 } // namespace mlir
37 
38 #endif // MLIR_BINDINGS_PYTHON_PYBINDUTILS_H
39