| 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.validator; |
| 23 | |
| 24 | import com.github.javaparser.ast.expr.Name; |
| 25 | import com.github.javaparser.ast.expr.SimpleName; |
| 26 | |
| 27 | import static com.github.javaparser.utils.CodeGenerationUtils.f; |
| 28 | |
| 29 | /** |
| 30 | * Validates that identifiers are not keywords - this for the few keywords that the parser |
| 31 | * accepts because they were added after Java 1.0. |
| 32 | */ |
| 33 | public class ReservedKeywordValidator extends VisitorValidator { |
| 34 | private final String keyword; |
| 35 | private final String error; |
| 36 | |
| 37 | ReservedKeywordValidator(String keyword) { |
| 38 | this.keyword = keyword; |
| 39 | error = f("'%s' cannot be used as an identifier as it is a keyword.", keyword); |
| 40 | } |
| 41 | |
| 42 | @Override |
| 43 | public void visit(Name n, ProblemReporter arg) { |
| 44 | if (n.getIdentifier().equals(keyword)) { |
| 45 | arg.report(n, error); |
| 46 | } |
| 47 | super.visit(n, arg); |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | public void visit(SimpleName n, ProblemReporter arg) { |
| 52 | if (n.getIdentifier().equals(keyword)) { |
| 53 | arg.report(n, error); |
| 54 | } |
| 55 | super.visit(n, arg); |
| 56 | } |
| 57 | } |
| 58 |
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