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author | Sang-Hoon Park <sang-hoon.park@arm.com> | 2020-10-19 16:00:11 +0100 |
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committer | Georgios Pinitas <georgios.pinitas@arm.com> | 2020-10-20 10:27:40 +0000 |
commit | 68dd25fbe6e4d3c3513fa5993863419769aa08fc (patch) | |
tree | b918be923f9e4550c306d7f44d168ab938a71fc8 /support/Cast.h | |
parent | f0a4e609d98f111b6a7d4a2b578d1b7cba64b805 (diff) | |
download | ComputeLibrary-68dd25fbe6e4d3c3513fa5993863419769aa08fc.tar.gz |
COMPMID-3637: Move utility headers from arm_compute to src
Signed-off-by: Georgios Pinitas <georgios.pinitas@arm.com>
Change-Id: If9d6fa8c900b68c4b6fd373f2fc1f9abb83ea917
Signed-off-by: Michalis Spyrou <michalis.spyrou@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4145
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Sang-Hoon Park <sang-hoon.park@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'support/Cast.h')
-rw-r--r-- | support/Cast.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/support/Cast.h b/support/Cast.h new file mode 100644 index 0000000000..53d5f68065 --- /dev/null +++ b/support/Cast.h @@ -0,0 +1,119 @@ +/* + * Copyright (c) 2018-2020 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef ARM_COMPUTE_MISC_CAST_H +#define ARM_COMPUTE_MISC_CAST_H + +#include "arm_compute/core/Error.h" + +namespace arm_compute +{ +namespace utils +{ +namespace cast +{ +/** Polymorphic cast between two types + * + * @warning Will throw an exception if cast cannot take place + * + * @tparam Target Target to cast type + * @tparam Source Source from cast type + * + * @param[in] v Value to cast + * + * @return The casted value + */ +template <typename Target, typename Source> +inline Target polymorphic_cast(Source *v) +{ + if(dynamic_cast<Target>(v) == nullptr) + { + ARM_COMPUTE_THROW(std::bad_cast()); + } + return static_cast<Target>(v); +} + +/** Polymorphic down cast between two types + * + * @warning Will assert if cannot take place + * + * @tparam Target Target to cast type + * @tparam Source Source from cast type + * + * @param[in] v Value to cast + * + * @return The casted value + */ +template <typename Target, typename Source> +inline Target polymorphic_downcast(Source *v) +{ + ARM_COMPUTE_ERROR_ON(dynamic_cast<Target>(v) != static_cast<Target>(v)); + return static_cast<Target>(v); +} + +/** Polymorphic cast between two unique pointer types + * + * @warning Will throw an exception if cast cannot take place + * + * @tparam Target Target to cast type + * @tparam Source Source from cast type + * @tparam Deleter Deleter function type + * + * @param[in] v Value to cast + * + * @return The casted value + */ +template <typename Target, typename Source, typename Deleter> +std::unique_ptr<Target, Deleter> polymorphic_cast_unique_ptr(std::unique_ptr<Source, Deleter> &&v) +{ + if(dynamic_cast<Target *>(v.get()) == nullptr) + { + ARM_COMPUTE_THROW(std::bad_cast()); + } + auto r = static_cast<Target *>(v.release()); + return std::unique_ptr<Target, Deleter>(r, std::move(v.get_deleter())); +} + +/** Polymorphic down cast between two unique pointer types + * + * @warning Will assert if cannot take place + * + * @tparam Target Target to cast type + * @tparam Source Source from cast type + * @tparam Deleter Deleter function type + * + * @param[in] v Value to cast + * + * @return The casted value + */ +template <typename Target, typename Source, typename Deleter> +std::unique_ptr<Target, Deleter> polymorphic_downcast_unique_ptr(std::unique_ptr<Source, Deleter> &&v) +{ + ARM_COMPUTE_ERROR_ON(dynamic_cast<Target *>(v.get()) != static_cast<Target *>(v.get())); + auto r = static_cast<Target *>(v.release()); + return std::unique_ptr<Target, Deleter>(r, std::move(v.get_deleter())); +} +} // namespace cast +} // namespace utils +} // namespace arm_compute +#endif /* ARM_COMPUTE_MISC_CAST_H */ |