| /* |
| * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8013576 8129962 |
| * @summary Add stat support to LambdaToMethod |
| * @library /tools/javac/lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.code |
| * jdk.compiler/com.sun.tools.javac.comp |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.compiler/com.sun.tools.javac.tree |
| * jdk.compiler/com.sun.tools.javac.util |
| * @build combo.ComboTestHelper |
| * @run main TestLambdaToMethodStats |
| */ |
| |
| import java.io.IOException; |
| |
| import javax.tools.Diagnostic; |
| import javax.tools.JavaFileObject; |
| |
| import com.sun.tools.javac.api.ClientCodeWrapper; |
| |
| import com.sun.tools.javac.util.List; |
| import combo.ComboInstance; |
| import combo.ComboParameter; |
| import combo.ComboTask.Result; |
| import combo.ComboTestHelper; |
| |
| public class TestLambdaToMethodStats extends ComboInstance<TestLambdaToMethodStats> { |
| |
| enum ExprKind implements ComboParameter { |
| LAMBDA("()->null"), |
| MREF1("this::g"), |
| MREF2("this::h"); |
| |
| String exprStr; |
| |
| ExprKind(String exprStr) { |
| this.exprStr = exprStr; |
| } |
| |
| @Override |
| public String expand(String optParameter) { |
| return exprStr; |
| } |
| } |
| |
| enum TargetKind implements ComboParameter { |
| IMPLICIT(""), |
| SERIALIZABLE("(A & java.io.Serializable)"); |
| |
| String targetStr; |
| |
| TargetKind(String targetStr) { |
| this.targetStr = targetStr; |
| } |
| |
| @Override |
| public String expand(String optParameter) { |
| return targetStr; |
| } |
| } |
| |
| enum DiagnosticKind { |
| LAMBDA_STAT("compiler.note.lambda.stat", true, false), |
| MREF_STAT("compiler.note.mref.stat", false, false), |
| MREF_STAT1("compiler.note.mref.stat.1", false, true); |
| |
| String code; |
| boolean lambda; |
| boolean bridge; |
| |
| DiagnosticKind(String code, boolean lambda, boolean bridge) { |
| this.code = code; |
| this.lambda = lambda; |
| this.bridge = bridge; |
| } |
| } |
| |
| public static void main(String... args) throws Exception { |
| new ComboTestHelper<TestLambdaToMethodStats>() |
| .withDimension("EXPR", (x, expr) -> x.ek = expr, ExprKind.values()) |
| .withDimension("CAST", (x, target) -> x.tk = target, TargetKind.values()) |
| .run(TestLambdaToMethodStats::new); |
| } |
| |
| ExprKind ek; |
| TargetKind tk; |
| |
| String template = "interface A {\n" + |
| " Object o();\n" + |
| "}\n" + |
| "class Test {\n" + |
| " A a = #{CAST}#{EXPR};\n" + |
| " Object g() { return null; }\n" + |
| " Object h(Object... o) { return null; }\n" + |
| "}"; |
| |
| @Override |
| public void doWork() throws IOException { |
| check(newCompilationTask() |
| .withOption("--debug:dumpLambdaToMethodStats") |
| .withSourceFromTemplate(template) |
| .generate()); |
| } |
| |
| void check(Result<?> res) { |
| DiagnosticKind diag = null; |
| boolean altMetafactory = false; |
| for (DiagnosticKind dk : DiagnosticKind.values()) { |
| List<Diagnostic<? extends JavaFileObject>> jcDiag = res.diagnosticsForKey(dk.code); |
| if (jcDiag.nonEmpty()) { |
| diag = dk; |
| ClientCodeWrapper.DiagnosticSourceUnwrapper dsu = |
| (ClientCodeWrapper.DiagnosticSourceUnwrapper)jcDiag.head; |
| altMetafactory = (Boolean)dsu.d.getArgs()[0]; |
| break; |
| } |
| } |
| |
| if (diag == null) { |
| fail("No diagnostic found; " + res.compilationInfo()); |
| } |
| |
| boolean error = diag.lambda != |
| (ek == ExprKind.LAMBDA); |
| |
| error |= diag.bridge != |
| (ek == ExprKind.MREF2); |
| |
| error |= altMetafactory != |
| (tk == TargetKind.SERIALIZABLE); |
| |
| if (error) { |
| fail("Bad stat diagnostic found for source\n" + |
| "lambda = " + diag.lambda + "\n" + |
| "bridge = " + diag.bridge + "\n" + |
| "altMF = " + altMetafactory + "\n" + |
| res.compilationInfo()); |
| } |
| } |
| } |