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// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

package com.google.dart.compiler.backend.js.ast;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * Represents a JavaScript block statement.
 */
public class JsBlock extends SourceInfoAwareJsNode implements JsStatement {
    private final List statements;

    public JsBlock() {
        this(new ArrayList());
    }

    public JsBlock(JsStatement statement) {
        this(Collections.singletonList(statement));
    }

    public JsBlock(JsStatement... statements) {
        this(Arrays.asList(statements));
    }

    public JsBlock(List statements) {
        this.statements = statements;
    }

    public List getStatements() {
        return statements;
    }

    public boolean isEmpty() {
        return statements.isEmpty();
    }

    public boolean isGlobalBlock() {
        return false;
    }

    @Override
    public void accept(JsVisitor v) {
        v.visitBlock(this);
    }

    @Override
    public void acceptChildren(JsVisitor visitor) {
        visitor.acceptWithInsertRemove(statements);
    }
}