// 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/clone_context.h"

#include "src/ast/function.h"
#include "src/ast/module.h"
#include "src/program.h"
#include "src/program_builder.h"

namespace tint {

CloneContext::CloneContext(ProgramBuilder* to, Program const* from)
    : dst(to), src(from) {}
CloneContext::~CloneContext() = default;

Symbol CloneContext::Clone(const Symbol& s) const {
  return dst->Symbols().Register(src->Symbols().NameFor(s));
}

void CloneContext::Clone() {
  for (auto* ty : src->AST().ConstructedTypes()) {
    dst->AST().AddConstructedType(Clone(ty));
  }
  for (auto* var : src->AST().GlobalVariables()) {
    dst->AST().AddGlobalVariable(Clone(var));
  }
  for (auto* func : src->AST().Functions()) {
    dst->AST().Functions().Add(Clone(func));
  }
}

ast::FunctionList CloneContext::Clone(const ast::FunctionList& v) {
  ast::FunctionList out;
  out.reserve(v.size());
  for (ast::Function* el : v) {
    out.Add(Clone(el));
  }
  return out;
}

}  // namespace tint