78 lines
3.0 KiB
Java
78 lines
3.0 KiB
Java
/*
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* Copyright 2017 Google Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8194268
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* @summary Incorrect parameter names for synthetic methods
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @compile DefaultParamNames.java
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* @run main DefaultParamNames
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*/
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import static java.util.stream.Collectors.joining;
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import com.sun.tools.javac.api.BasicJavacTask;
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import com.sun.tools.javac.code.Flags;
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import com.sun.tools.javac.code.Symbol.MethodSymbol;
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import com.sun.tools.javac.code.Symtab;
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import com.sun.tools.javac.code.Type.MethodType;
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import com.sun.tools.javac.util.Assert;
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import com.sun.tools.javac.util.Context;
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import com.sun.tools.javac.util.List;
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import com.sun.tools.javac.util.Names;
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import java.util.Objects;
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import javax.tools.JavaCompiler;
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import javax.tools.ToolProvider;
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public class DefaultParamNames {
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public static void main(String[] args) {
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JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
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BasicJavacTask task = (BasicJavacTask) compiler.getTask(null, null, null, null, null, null);
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Context context = task.getContext();
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Names names = Names.instance(context);
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Symtab symtab = Symtab.instance(context);
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MethodType mt =
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new MethodType(
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List.of(symtab.intType, symtab.stringType, symtab.objectType),
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symtab.voidType,
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List.nil(),
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symtab.methodClass);
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MethodSymbol ms =
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new MethodSymbol(Flags.SYNTHETIC, names.fromString("test"), mt, symtab.methodClass);
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String paramNames =
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ms.params().stream().map(p -> p.getSimpleName().toString()).collect(joining(","));
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assertEquals("arg0,arg1,arg2", paramNames);
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}
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static void assertEquals(Object expected, Object actual) {
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Assert.check(
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Objects.equals(expected, actual),
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String.format("expected: %s, but was: %s", expected, actual));
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}
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}
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