Open3D (C++ API)  0.17.0
Loading...
Searching...
No Matches
Preprocessor.h
Go to the documentation of this file.
1// ----------------------------------------------------------------------------
2// - Open3D: www.open3d.org -
3// ----------------------------------------------------------------------------
4// Copyright (c) 2018-2023 www.open3d.org
5// SPDX-License-Identifier: MIT
6// ----------------------------------------------------------------------------
7
8#pragma once
9
20#define OPEN3D_FIX_MSVC_(...) __VA_ARGS__
21
25#define OPEN3D_CONCAT_IMPL_(s1, s2) s1##s2
26#define OPEN3D_CONCAT(s1, s2) OPEN3D_CONCAT_IMPL_(s1, s2)
27
31#define OPEN3D_STRINGIFY_IMPL_(s) #s
32#define OPEN3D_STRINGIFY(s) OPEN3D_STRINGIFY_IMPL_(s)
33
39#define OPEN3D_GET_NTH_ARG_(...) \
40 OPEN3D_FIX_MSVC_(OPEN3D_GET_NTH_ARG_IMPL_(__VA_ARGS__))
41#define OPEN3D_GET_NTH_ARG_IMPL_(arg1, arg2, arg3, arg4, arg5, arg6, arg7, \
42 arg8, arg9, arg10, N, ...) \
43 N
44#define OPEN3D_REVERSE_NUM_SEQUENCE_() 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
45#define OPEN3D_NUM_ARGS(...) \
46 OPEN3D_GET_NTH_ARG_(__VA_ARGS__, OPEN3D_REVERSE_NUM_SEQUENCE_())
47
64#define OPEN3D_OVERLOAD(func, ...) \
65 OPEN3D_CONCAT(func, OPEN3D_NUM_ARGS(__VA_ARGS__))