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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package jdk.nashorn.internal.ir;

import java.util.Collections;
import java.util.List;
import jdk.nashorn.internal.codegen.types.Type;
import jdk.nashorn.internal.ir.visitor.NodeVisitor;

Represents ES6 template string expression. Note that this Node class is used
only in "parse only" mode. In evaluation mode, Parser directly folds template
literal as string concatenation. Parser API uses this node to represent ES6
template literals "as is" rather than as a String concatenation.
/**
 * Represents ES6 template string expression. Note that this Node class is used
 * only in "parse only" mode. In evaluation mode, Parser directly folds template
 * literal as string concatenation. Parser API uses this node to represent ES6
 * template literals "as is" rather than as a String concatenation.
 */
public final class TemplateLiteral extends Expression {
    private static final long serialVersionUID = 1L;
    private final List<Expression> exprs;

    public TemplateLiteral(final List<Expression> exprs) {
        super(exprs.get(0).getToken(), exprs.get(exprs.size() - 1).finish);
        this.exprs = exprs;
    }

    @Override
    public Type getType() {
        return Type.STRING;
    }

    @Override
    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
        if (visitor.enterTemplateLiteral(this)) {
            return visitor.leaveTemplateLiteral(this);
        }

        return this;
    }

    @Override
    public void toString(final StringBuilder sb, final boolean printType) {
        for (final Expression expr : exprs) {
            sb.append(expr);
        }
    }

    
The list of expressions that are part of this template literal.
Returns:
the list of expressions that are part of this template literal./**
     * The list of expressions that are part of this template literal.
     *
     * @return the list of expressions that are part of this template literal.
     */
    public List<Expression> getExpressions() {
        return Collections.unmodifiableList(exprs);
    }
}