| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 The JavaParser Team. |
| 4 | * |
| 5 | * This file is part of JavaParser. |
| 6 | * |
| 7 | * JavaParser can be used either under the terms of |
| 8 | * a) the GNU Lesser General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * b) the terms of the Apache License |
| 12 | * |
| 13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
| 14 | * LICENCE.APACHE. Please refer to those files for details. |
| 15 | * |
| 16 | * JavaParser is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU Lesser General Public License for more details. |
| 20 | */ |
| 21 | |
| 22 | package com.github.javaparser.ast.nodeTypes; |
| 23 | |
| 24 | import com.github.javaparser.JavaParser; |
| 25 | import com.github.javaparser.ast.Node; |
| 26 | import com.github.javaparser.ast.NodeList; |
| 27 | import com.github.javaparser.ast.expr.Expression; |
| 28 | import com.github.javaparser.ast.expr.NameExpr; |
| 29 | import com.github.javaparser.ast.stmt.ExpressionStmt; |
| 30 | import com.github.javaparser.ast.stmt.Statement; |
| 31 | |
| 32 | import static com.github.javaparser.StaticJavaParser.parseStatement; |
| 33 | |
| 34 | /** |
| 35 | * A node that contains a list of statements. |
| 36 | */ |
| 37 | public interface NodeWithStatements<N extends Node> { |
| 38 | NodeList<Statement> getStatements(); |
| 39 | |
| 40 | default Statement getStatement(int i) { |
| 41 | return getStatements().get(i); |
| 42 | } |
| 43 | |
| 44 | @SuppressWarnings("unchecked") |
| 45 | default N setStatement(int i, Statement statement) { |
| 46 | getStatements().set(i, statement); |
| 47 | return (N) this; |
| 48 | } |
| 49 | |
| 50 | N setStatements(final NodeList<Statement> statements); |
| 51 | |
| 52 | @SuppressWarnings("unchecked") |
| 53 | default N addStatement(Statement statement) { |
| 54 | getStatements().add(statement); |
| 55 | return (N) this; |
| 56 | } |
| 57 | |
| 58 | @SuppressWarnings("unchecked") |
| 59 | default N addStatement(int index, final Statement statement) { |
| 60 | getStatements().add(index, statement); |
| 61 | return (N) this; |
| 62 | } |
| 63 | |
| 64 | default N addStatement(Expression expr) { |
| 65 | return addStatement(new ExpressionStmt(expr)); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * It will use {@link JavaParser#parseStatement(String)} inside, so it should end with a semicolon |
| 70 | */ |
| 71 | default N addStatement(String statement) { |
| 72 | return addStatement(parseStatement(statement)); |
| 73 | } |
| 74 | |
| 75 | default N addStatement(int index, final Expression expr) { |
| 76 | Statement stmt = new ExpressionStmt(expr); |
| 77 | return addStatement(index, stmt); |
| 78 | } |
| 79 | |
| 80 | default <A extends Statement> A addAndGetStatement(A statement) { |
| 81 | getStatements().add(statement); |
| 82 | return statement; |
| 83 | } |
| 84 | |
| 85 | default Statement addAndGetStatement(int index, final Statement statement) { |
| 86 | getStatements().add(index, statement); |
| 87 | return statement; |
| 88 | } |
| 89 | |
| 90 | default ExpressionStmt addAndGetStatement(Expression expr) { |
| 91 | ExpressionStmt statement = new ExpressionStmt(expr); |
| 92 | return addAndGetStatement(statement); |
| 93 | } |
| 94 | |
| 95 | default ExpressionStmt addAndGetStatement(String statement) { |
| 96 | return addAndGetStatement(new NameExpr(statement)); |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * @return true if there are no statements contained in this node. |
| 101 | */ |
| 102 | default boolean isEmpty() { |
| 103 | return getStatements().isEmpty(); |
| 104 | } |
| 105 | |
| 106 | @SuppressWarnings("unchecked") |
| 107 | default N copyStatements(NodeList<Statement> nodeList) { |
| 108 | for (Statement n : nodeList) { |
| 109 | addStatement(n.clone()); |
| 110 | } |
| 111 | return (N) this; |
| 112 | } |
| 113 | |
| 114 | default N copyStatements(NodeWithStatements<?> other) { |
| 115 | return copyStatements(other.getStatements()); |
| 116 | } |
| 117 | } |
| 118 |
Members