// Copyright 2021 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/tint/sem/atomic.h"

#include "src/tint/program_builder.h"
#include "src/tint/sem/reference.h"
#include "src/tint/utils/hash.h"

TINT_INSTANTIATE_TYPEINFO(tint::sem::Atomic);

namespace tint::sem {

Atomic::Atomic(const sem::Type* subtype)
    : Base(TypeFlags{
          Flag::kCreationFixedFootprint,
          Flag::kFixedFootprint,
      }),
      subtype_(subtype) {
    TINT_ASSERT(AST, !subtype->Is<Reference>());
}

size_t Atomic::Hash() const {
    return utils::Hash(TypeInfo::Of<Atomic>().full_hashcode, subtype_);
}

bool Atomic::Equals(const sem::Type& other) const {
    if (auto* o = other.As<Atomic>()) {
        return o->subtype_ == subtype_;
    }
    return false;
}

std::string Atomic::FriendlyName(const SymbolTable& symbols) const {
    std::ostringstream out;
    out << "atomic<" << subtype_->FriendlyName(symbols) << ">";
    return out.str();
}

uint32_t Atomic::Size() const {
    return subtype_->Size();
}

uint32_t Atomic::Align() const {
    return subtype_->Align();
}

Atomic::Atomic(Atomic&&) = default;

Atomic::~Atomic() = default;

}  // namespace tint::sem