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46 lines
2.2 KiB
C++
46 lines
2.2 KiB
C++
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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//
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// Foundation/NSDefines.hpp
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//
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// Copyright 2020-2023 Apple Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#pragma once
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#define _NS_WEAK_IMPORT __attribute__((weak_import))
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#ifdef METALCPP_SYMBOL_VISIBILITY_HIDDEN
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#define _NS_EXPORT __attribute__((visibility("hidden")))
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#else
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#define _NS_EXPORT __attribute__((visibility("default")))
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#endif // METALCPP_SYMBOL_VISIBILITY_HIDDEN
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#define _NS_EXTERN extern "C" _NS_EXPORT
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#define _NS_INLINE inline __attribute__((always_inline))
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#define _NS_PACKED __attribute__((packed))
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#define _NS_CONST(type, name) _NS_EXTERN type const name
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#define _NS_ENUM(type, name) enum name : type
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#define _NS_OPTIONS(type, name) \
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using name = type; \
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enum : name
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#define _NS_CAST_TO_UINT(value) static_cast<NS::UInteger>(value)
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#define _NS_VALIDATE_SIZE(ns, name) static_assert(sizeof(ns::name) == sizeof(ns##name), "size mismatch " #ns "::" #name)
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#define _NS_VALIDATE_ENUM(ns, name) static_assert(_NS_CAST_TO_UINT(ns::name) == _NS_CAST_TO_UINT(ns##name), "value mismatch " #ns "::" #name)
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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