1/*
2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24package compiler.compilercontrol.share.processors;
25
26import com.sun.management.HotSpotDiagnosticMXBean;
27import compiler.compilercontrol.share.method.MethodDescriptor;
28import compiler.compilercontrol.share.method.MethodGenerator;
29import compiler.compilercontrol.share.pool.PoolHelper;
30import compiler.compilercontrol.share.scenario.State;
31import jdk.test.lib.process.OutputAnalyzer;
32
33import java.lang.management.ManagementFactory;
34import java.lang.reflect.Executable;
35import java.util.List;
36import java.util.Map;
37import java.util.function.Consumer;
38import java.util.regex.Matcher;
39import java.util.regex.Pattern;
40import java.util.stream.Collectors;
41
42/**
43 * Process output to find compiled methods assemblies printed by print command
44 */
45public class PrintProcessor implements Consumer<OutputAnalyzer> {
46    /**
47     * Compiled method string pattern.
48     * Capturing groups are
49     * 1. Compiler used to compile this method
50     * 2. Time stamp
51     * 3. Compile ID
52     * 4. Method attributes
53     * 5. Compilation level
54     * 6. Method name
55     */
56    private static final Pattern COMPILED_METHOD
57            = Pattern.compile("Compiled method (?<compiler>\\(.*\\))[ ]+"
58            + "(?<time>[0-9]+)[ ]+(?<id>[0-9]+) (?<attr>[ !%sbn]{6})"
59            + "(?<level>[0-9]+)[ ]+(?<name>[^ ]+).*");
60    private final List<String> printMethods;
61    private final List<String> testMethods;
62
63    public PrintProcessor(Map<Executable, State> states) {
64        printMethods = states.keySet().stream()
65                .filter(x -> states.get(x).isPrintAssembly())
66                .map(MethodGenerator::logDescriptor)
67                .map(MethodDescriptor::getString)
68                .map(s -> s.replaceFirst("\\(.*", "")) // remove signature
69                .collect(Collectors.toList());
70        testMethods = new PoolHelper().getAllMethods()
71                .stream()
72                .map(pair -> pair.first)
73                .map(MethodGenerator::logDescriptor)
74                .map(MethodDescriptor::getString)
75                .map(s -> s.replaceFirst("\\(.*", "")) // remove signature
76                .collect(Collectors.toList());
77    }
78
79    @Override
80    public void accept(OutputAnalyzer outputAnalyzer) {
81        boolean wizardMode = false;
82        try {
83            wizardMode = Boolean.parseBoolean(ManagementFactory
84                    .getPlatformMXBean(HotSpotDiagnosticMXBean.class)
85                    .getVMOption("WizardMode").getValue());
86        } catch (IllegalArgumentException e) {
87            // ignore exception because WizardMode exists in debug only builds
88        }
89        if (wizardMode) {
90            System.out.println("SKIP: WizardMode's output are not supported");
91            return;
92        }
93        for (String line : outputAnalyzer.asLines()) {
94            Matcher matcher = COMPILED_METHOD.matcher(line);
95            if (matcher.matches()) {
96                String method = normalize(matcher.group("name"));
97                if (!printMethods.contains(normalize(method))
98                        && testMethods.contains(method)) {
99                    System.out.println(outputAnalyzer.getOutput());
100                    throw new AssertionError("FAILED: wrong method "
101                            + "was printed: " + method + " LINE: " + line);
102                }
103            }
104        }
105    }
106
107    // Normalize given signature to conform regular expression used in tests
108    private String normalize(String method) {
109        return method.replaceAll("\\.", "/") // replace dots in a class string
110                .replaceFirst("::", ".")     // replace :: between class and method
111                .replace("&lt;", "<")
112                .replace("&gt;", ">");
113    }
114}
115