Fri, 24 Apr 2020 03:58:51 +0100
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /* |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 7142086 |
aoqi@0 | 27 | * @summary performance problem in Check.checkOverrideClashes(...) |
aoqi@0 | 28 | * @run main/timeout=10 T7142086 |
aoqi@0 | 29 | */ |
aoqi@0 | 30 | |
aoqi@0 | 31 | import com.sun.source.util.JavacTask; |
aoqi@0 | 32 | import java.net.URI; |
aoqi@0 | 33 | import java.util.List; |
aoqi@0 | 34 | import java.util.ArrayList; |
aoqi@0 | 35 | import java.util.Locale; |
aoqi@0 | 36 | import javax.tools.Diagnostic; |
aoqi@0 | 37 | import javax.tools.JavaCompiler; |
aoqi@0 | 38 | import javax.tools.JavaFileObject; |
aoqi@0 | 39 | import javax.tools.SimpleJavaFileObject; |
aoqi@0 | 40 | import javax.tools.StandardJavaFileManager; |
aoqi@0 | 41 | import javax.tools.ToolProvider; |
aoqi@0 | 42 | |
aoqi@0 | 43 | public class T7142086 { |
aoqi@0 | 44 | |
aoqi@0 | 45 | final static int N_METHODS = 1000; |
aoqi@0 | 46 | |
aoqi@0 | 47 | static class TestClass extends SimpleJavaFileObject { |
aoqi@0 | 48 | |
aoqi@0 | 49 | String methTemplate = "abstract void m(A#N p);"; |
aoqi@0 | 50 | String classTemplate = "abstract class Test { #M }"; |
aoqi@0 | 51 | |
aoqi@0 | 52 | String source; |
aoqi@0 | 53 | |
aoqi@0 | 54 | public TestClass() { |
aoqi@0 | 55 | super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
aoqi@0 | 56 | StringBuilder buf = new StringBuilder(); |
aoqi@0 | 57 | for (int i = 0 ; i < N_METHODS ; i++) { |
aoqi@0 | 58 | buf.append(methTemplate.replace("#N", String.valueOf(i))); |
aoqi@0 | 59 | buf.append("\n"); |
aoqi@0 | 60 | } |
aoqi@0 | 61 | source = classTemplate.replace("#M", buf.toString()); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | @Override |
aoqi@0 | 65 | public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
aoqi@0 | 66 | return source; |
aoqi@0 | 67 | } |
aoqi@0 | 68 | } |
aoqi@0 | 69 | |
aoqi@0 | 70 | static class AnSource extends SimpleJavaFileObject { |
aoqi@0 | 71 | |
aoqi@0 | 72 | String classTemplate = "abstract class A#N { }"; |
aoqi@0 | 73 | |
aoqi@0 | 74 | String source; |
aoqi@0 | 75 | |
aoqi@0 | 76 | public AnSource(int n) { |
aoqi@0 | 77 | super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE); |
aoqi@0 | 78 | source = classTemplate.replace("#N", String.valueOf(n)); |
aoqi@0 | 79 | } |
aoqi@0 | 80 | |
aoqi@0 | 81 | @Override |
aoqi@0 | 82 | public CharSequence getCharContent(boolean ignoreEncodingErrors) { |
aoqi@0 | 83 | return source; |
aoqi@0 | 84 | } |
aoqi@0 | 85 | } |
aoqi@0 | 86 | |
aoqi@0 | 87 | public static void main(String... args) throws Exception { |
aoqi@0 | 88 | ArrayList<JavaFileObject> sources = new ArrayList<>(); |
aoqi@0 | 89 | for (int i = 0 ; i < N_METHODS ; i++) { |
aoqi@0 | 90 | sources.add(new AnSource(i)); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | sources.add(new TestClass()); |
aoqi@0 | 93 | new T7142086().run(sources); |
aoqi@0 | 94 | } |
aoqi@0 | 95 | |
aoqi@0 | 96 | void run(List<JavaFileObject> sources) throws Exception { |
aoqi@0 | 97 | DiagnosticChecker dc = new DiagnosticChecker(); |
aoqi@0 | 98 | JavaCompiler comp = ToolProvider.getSystemJavaCompiler(); |
aoqi@0 | 99 | StandardJavaFileManager fm = comp.getStandardFileManager(null, null, null); |
aoqi@0 | 100 | JavacTask ct = (JavacTask)comp.getTask(null, fm, dc, |
aoqi@0 | 101 | null, null, sources); |
aoqi@0 | 102 | ct.analyze(); |
aoqi@0 | 103 | } |
aoqi@0 | 104 | |
aoqi@0 | 105 | static class DiagnosticChecker implements javax.tools.DiagnosticListener<JavaFileObject> { |
aoqi@0 | 106 | |
aoqi@0 | 107 | boolean errorFound; |
aoqi@0 | 108 | |
aoqi@0 | 109 | public void report(Diagnostic<? extends JavaFileObject> diagnostic) { |
aoqi@0 | 110 | if (diagnostic.getKind() == Diagnostic.Kind.ERROR) { |
aoqi@0 | 111 | throw new AssertionError("unexpected diagnostic: " + diagnostic.getMessage(Locale.getDefault())); |
aoqi@0 | 112 | } |
aoqi@0 | 113 | } |
aoqi@0 | 114 | } |
aoqi@0 | 115 | } |