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e879143801
Allows you to query type inheritance without having an instance of the type. Also add TypeInfo::name. Helpful for decent error messages. Strings can be removed from NDEBUG builds if we consider them too large. Change-Id: Ie501b37f46e63d956cc020f8c9b68e91737472f0 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/42920 Reviewed-by: Antonio Maiorano <amaiorano@google.com> Reviewed-by: James Price <jrprice@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
37 lines
1.0 KiB
C++
37 lines
1.0 KiB
C++
// Copyright 2020 The Tint Authors.
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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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#include "src/castable.h"
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namespace tint {
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/// The unique TypeInfo for the CastableBase type
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/// @return doxygen-thinks-this-static-field-is-a-function :(
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template <>
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const TypeInfo detail::TypeInfoOf<CastableBase>::info{
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nullptr,
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"CastableBase",
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};
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bool TypeInfo::Is(const TypeInfo& typeinfo) const {
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for (auto* ti = this; ti != nullptr; ti = ti->base) {
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if (ti == &typeinfo) {
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return true;
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}
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}
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return false;
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}
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} // namespace tint
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