/**
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * 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 "blockStatement.h"

#include <binder/binder.h>
#include <binder/scope.h>
#include <compiler/core/regScope.h>
#include <typescript/checker.h>
#include <ir/astDump.h>

namespace panda::es2panda::ir {

void BlockStatement::Iterate(const NodeTraverser &cb) const
{
    for (auto *it : statements_) {
        cb(it);
    }
}

void BlockStatement::Dump(ir::AstDumper *dumper) const
{
    dumper->Add({{"type", IsProgram() ? "Program" : "BlockStatement"}, {"statements", statements_}});
}

void BlockStatement::Compile(compiler::PandaGen *pg) const
{
    if (scope_ != nullptr) {
        compiler::LocalRegScope lrs(pg, scope_);

        for (const auto *it : statements_) {
            it->Compile(pg);
        }
    } else {
        for (const auto *it : statements_) {
            it->Compile(pg);
        }
    }
}

checker::Type *BlockStatement::Check(checker::Checker *checker) const
{
    auto scopeCtx = checker::ScopeContext(checker, scope_ != nullptr ? scope_ : checker->Scope());

    for (const auto *it : statements_) {
        it->Check(checker);
    }

    return nullptr;
}

void BlockStatement::UpdateSelf(const NodeUpdater &cb, binder::Binder *binder)
{
    auto scopeCtx = binder::LexicalScope<binder::Scope>::Enter(binder,
        scope_ != nullptr ? scope_ : binder->GetScope());

    UpdateForMultipleTransformedStatements(cb, statements_);
}

void BlockStatement::AddStatementAtPos(size_t insertPos, Statement *statement)
{
    ASSERT(insertPos <= statements_.size());
    statements_.insert(statements_.begin() + insertPos, statement);
}

}  // namespace panda::es2panda::ir