src/castable.cc

// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "src/castable.h"

namespace tint {

/// The unique TypeInfo for the CastableBase type
/// @return doxygen-thinks-this-static-field-is-a-function :(
template <>
const TypeInfo detail::TypeInfoOf<CastableBase>::info{
    nullptr,
    "CastableBase",
};

bool TypeInfo::Is(const TypeInfo& typeinfo) const {
  for (auto* ti = this; ti != nullptr; ti = ti->base) {
    if (ti == &typeinfo) {
      return true;
    }
  }
  return false;
}

}  // namespace tint