// 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/ast/override_decoration.h"

#include <string>

#include "src/program_builder.h"

TINT_INSTANTIATE_TYPEINFO(tint::ast::OverrideDecoration);

namespace tint {
namespace ast {

OverrideDecoration::OverrideDecoration(ProgramID pid, const Source& src)
    : Base(pid, src), has_value(false), value(0) {}

OverrideDecoration::OverrideDecoration(ProgramID pid,
                                       const Source& src,
                                       uint32_t val)
    : Base(pid, src), has_value(true), value(val) {}

OverrideDecoration::~OverrideDecoration() = default;

std::string OverrideDecoration::Name() const {
  return "override";
}

const OverrideDecoration* OverrideDecoration::Clone(CloneContext* ctx) const {
  // Clone arguments outside of create() call to have deterministic ordering
  auto src = ctx->Clone(source);
  if (has_value) {
    return ctx->dst->create<OverrideDecoration>(src, value);
  } else {
    return ctx->dst->create<OverrideDecoration>(src);
  }
}

}  // namespace ast
}  // namespace tint