| 1 | /******************************************************************************* |
|---|---|
| 2 | * Copyright (c) 2004, 2013 IBM Corporation and others. |
| 3 | * |
| 4 | * This program and the accompanying materials |
| 5 | * are made available under the terms of the Eclipse Public License 2.0 |
| 6 | * which accompanies this distribution, and is available at |
| 7 | * https://www.eclipse.org/legal/epl-2.0/ |
| 8 | * |
| 9 | * SPDX-License-Identifier: EPL-2.0 |
| 10 | * |
| 11 | * Contributors: |
| 12 | * IBM Corporation - initial API and implementation |
| 13 | *******************************************************************************/ |
| 14 | package org.eclipse.jdt.core.dom; |
| 15 | |
| 16 | import java.util.ArrayList; |
| 17 | import java.util.List; |
| 18 | |
| 19 | /** |
| 20 | * End-of-line comment AST node type. |
| 21 | * <p> |
| 22 | * End-of-line comments begin with "//", |
| 23 | * must end with a line delimiter (as per JLS 3.7), |
| 24 | * and must not contain line breaks. |
| 25 | * </p> |
| 26 | * <p> |
| 27 | * Note that this node type is a comment placeholder, and is |
| 28 | * only useful for recording the source range where a comment |
| 29 | * was found in a source string. It is not useful for creating |
| 30 | * comments. |
| 31 | * </p> |
| 32 | * |
| 33 | * @since 3.0 |
| 34 | * @noinstantiate This class is not intended to be instantiated by clients. |
| 35 | */ |
| 36 | @SuppressWarnings("rawtypes") |
| 37 | public final class LineComment extends Comment { |
| 38 | |
| 39 | /** |
| 40 | * A list of property descriptors (element type: |
| 41 | * {@link StructuralPropertyDescriptor}), |
| 42 | * or null if uninitialized. |
| 43 | */ |
| 44 | private static final List PROPERTY_DESCRIPTORS; |
| 45 | |
| 46 | static { |
| 47 | List propertyList = new ArrayList(1); |
| 48 | createPropertyList(LineComment.class, propertyList); |
| 49 | PROPERTY_DESCRIPTORS = reapPropertyList(propertyList); |
| 50 | } |
| 51 | |
| 52 | /** |
| 53 | * Returns a list of structural property descriptors for this node type. |
| 54 | * Clients must not modify the result. |
| 55 | * |
| 56 | * @param apiLevel the API level; one of the |
| 57 | * <code>AST.JLS*</code> constants |
| 58 | |
| 59 | * @return a list of property descriptors (element type: |
| 60 | * {@link StructuralPropertyDescriptor}) |
| 61 | * @since 3.0 |
| 62 | */ |
| 63 | public static List propertyDescriptors(int apiLevel) { |
| 64 | return PROPERTY_DESCRIPTORS; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Creates a new line comment node owned by the given AST. |
| 69 | * <p> |
| 70 | * N.B. This constructor is package-private. |
| 71 | * </p> |
| 72 | * |
| 73 | * @param ast the AST that is to own this node |
| 74 | */ |
| 75 | LineComment(AST ast) { |
| 76 | super(ast); |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | final List internalStructuralPropertiesForType(int apiLevel) { |
| 81 | return propertyDescriptors(apiLevel); |
| 82 | } |
| 83 | |
| 84 | @Override |
| 85 | final int getNodeType0() { |
| 86 | return LINE_COMMENT; |
| 87 | } |
| 88 | |
| 89 | @Override |
| 90 | ASTNode clone0(AST target) { |
| 91 | LineComment result = new LineComment(target); |
| 92 | result.setSourceRange(getStartPosition(), getLength()); |
| 93 | return result; |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | final boolean subtreeMatch0(ASTMatcher matcher, Object other) { |
| 98 | // dispatch to correct overloaded match method |
| 99 | return matcher.match(this, other); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | void accept0(ASTVisitor visitor) { |
| 104 | visitor.visit(this); |
| 105 | visitor.endVisit(this); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | int memSize() { |
| 110 | return super.memSize(); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | int treeSize() { |
| 115 | return memSize(); |
| 116 | } |
| 117 | } |
| 118 |
Members