129 lines
5.4 KiB
Java
129 lines
5.4 KiB
Java
/*
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* Copyright (c) 2006, Oracle and/or its affiliates. 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 6413682
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* @summary Compiler confused about implicit type args and arrays
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* @author Peter von der Ah\u00e9
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*/
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.tree.ErroneousTree;
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import com.sun.source.tree.Tree;
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import com.sun.source.util.JavacTask;
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import com.sun.source.util.TreeScanner;
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import com.sun.source.util.Trees;
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import java.io.IOException;
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import java.net.URI;
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import java.util.Collections;
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import java.util.List;
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import javax.tools.Diagnostic;
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import javax.tools.DiagnosticListener;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import static javax.tools.JavaFileObject.Kind.SOURCE;
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import javax.tools.ToolProvider;
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public class TestPos {
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static final String errCode = "compiler.err.cannot.create.array.with.type.arguments";
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static final String expected =
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String.format("%s%n%s%n",
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"compiler.err.cannot.create.array.with.type.arguments @ 33",
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"begin=28, end=50 : new Object[0],T,e,s,t");
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public static void main(String... args) throws IOException {
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final boolean[] sawError = { false };
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final StringBuilder log = new StringBuilder();
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class MyFileObject extends SimpleJavaFileObject {
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MyFileObject() {
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super(URI.create("myfo:///Test.java"), SOURCE);
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}
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@Override
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public String getCharContent(boolean ignoreEncodingErrors) {
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// 0 1 2 3 4 5
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// 0123456789012345678901234567890123456789012345678901234
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return "class Test { { Object[] o = new <T,e,s,t>Object[0]; } }";
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}
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}
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class Scanner extends TreeScanner<Void,Trees> {
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CompilationUnitTree toplevel = null;
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@Override
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public Void visitCompilationUnit(CompilationUnitTree node, Trees trees) {
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toplevel = node;
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return super.visitCompilationUnit(node, trees);
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}
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@Override
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public Void visitErroneous(ErroneousTree node, Trees trees) {
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sawError[0] = true;
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long startPos = trees.getSourcePositions().getStartPosition(toplevel, node);
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long endPos = trees.getSourcePositions().getEndPosition(toplevel, node);
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log.append(String.format("begin=%s, end=%s : %s%n",
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startPos,
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endPos,
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node.getErrorTrees()));
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if (startPos != 28)
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error("Start pos for %s is incorrect (%s)!", node, startPos);
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if (endPos != 50)
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error("End pos for %s is incorrect (%s)!", node, endPos);
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return null;
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}
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}
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JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
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List<JavaFileObject> compilationUnits =
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Collections.<JavaFileObject>singletonList(new MyFileObject());
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DiagnosticListener<JavaFileObject> dl = new DiagnosticListener<JavaFileObject>() {
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public void report(Diagnostic<? extends JavaFileObject> diag) {
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log.append(String.format("%s @ %s%n", diag.getCode(), diag.getPosition()));
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if (!diag.getCode().equals(errCode))
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error("unexpected error");
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if (diag.getPosition() != 33)
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error("Error pos for %s is incorrect (%s)!",
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diag.getCode(), diag.getPosition());
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sawError[0] = true;
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}
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};
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JavacTask task = (JavacTask)javac.getTask(null, null, dl, null, null,
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compilationUnits);
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Trees trees = Trees.instance(task);
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Iterable<? extends Tree> toplevels = task.parse();
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if (!sawError[0])
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error("No parse error detected");
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sawError[0] = false;
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new Scanner().scan(toplevels, trees);
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if (!sawError[0])
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error("No error tree detected");
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if (!log.toString().equals(expected))
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error("Unexpected log message: %n%s%n", log);
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System.out.print(log);
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System.out.flush();
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}
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static void error(String format, Object... args) {
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throw new AssertionError(String.format(format, args));
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}
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}
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