| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| 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; |
| |
| /** |
| * IR representation for class definitions. |
| */ |
| public class ClassNode extends Expression { |
| private static final long serialVersionUID = 1L; |
| |
| private final IdentNode ident; |
| private final Expression classHeritage; |
| private final PropertyNode constructor; |
| private final List<PropertyNode> classElements; |
| private final int line; |
| private final boolean isStatement; |
| |
| /** |
| * Constructor. |
| * |
| * @param line line number |
| * @param token token |
| * @param finish finish |
| * @param ident ident |
| * @param classHeritage class heritage |
| * @param constructor constructor |
| * @param classElements class elements |
| * @param isStatement is this a statement or an expression? |
| */ |
| public ClassNode(final int line, final long token, final int finish, final IdentNode ident, final Expression classHeritage, final PropertyNode constructor, |
| final List<PropertyNode> classElements, final boolean isStatement) { |
| super(token, finish); |
| this.line = line; |
| this.ident = ident; |
| this.classHeritage = classHeritage; |
| this.constructor = constructor; |
| this.classElements = classElements; |
| this.isStatement = isStatement; |
| } |
| |
| /** |
| * Class identifier. Optional. |
| * |
| * @return the class identifier |
| */ |
| public IdentNode getIdent() { |
| return ident; |
| } |
| |
| /** |
| * The expression of the {@code extends} clause. Optional. |
| * |
| * @return the class heritage |
| */ |
| public Expression getClassHeritage() { |
| return classHeritage; |
| } |
| |
| /** |
| * Get the constructor method definition. |
| * |
| * @return the constructor |
| */ |
| public PropertyNode getConstructor() { |
| return constructor; |
| } |
| |
| /** |
| * Get method definitions except the constructor. |
| * |
| * @return the class elements |
| */ |
| public List<PropertyNode> getClassElements() { |
| return Collections.unmodifiableList(classElements); |
| } |
| |
| /** |
| * Returns if this class was a statement or an expression |
| * |
| * @return true if this class was a statement |
| */ |
| public boolean isStatement() { |
| return isStatement; |
| } |
| |
| /** |
| * Returns the line number. |
| * |
| * @return the line number |
| */ |
| public int getLineNumber() { |
| return line; |
| } |
| |
| @Override |
| public Type getType() { |
| return Type.OBJECT; |
| } |
| |
| @Override |
| public Node accept(final NodeVisitor<? extends LexicalContext> visitor) { |
| if (visitor.enterClassNode(this)) { |
| return visitor.leaveClassNode(this); |
| } |
| |
| return this; |
| } |
| |
| @Override |
| public void toString(final StringBuilder sb, final boolean printType) { |
| sb.append("class"); |
| if (ident != null) { |
| sb.append(' '); |
| ident.toString(sb, printType); |
| } |
| if (classHeritage != null) { |
| sb.append(" extends"); |
| classHeritage.toString(sb, printType); |
| } |
| sb.append(" {"); |
| if (constructor != null) { |
| constructor.toString(sb, printType); |
| } |
| for (final PropertyNode classElement : classElements) { |
| sb.append(" "); |
| classElement.toString(sb, printType); |
| } |
| sb.append("}"); |
| } |
| } |