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/*
* Copyright (c) 2015, 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.
*/
package compiler.compilercontrol.share.processors;
import compiler.compilercontrol.share.method.MethodDescriptor;
import compiler.compilercontrol.share.method.MethodGenerator;
import compiler.compilercontrol.share.pool.PoolHelper;
import compiler.compilercontrol.share.scenario.State;
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
import java.io.File;
import java.io.FileNotFoundException;
import java.lang.reflect.Executable;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.function.Consumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
/**
* Log compilation file processor
*/
public class LogProcessor implements Consumer<OutputAnalyzer> {
public static final String LOG_FILE = "compilation.log";
private static final String TASK_ELEMENT = "<task [^>]*>";
private static final String TASK_DONE_ELEMENT = "<task_done [^>]*>";
private static final String TASK_END_ELEMENT = "</task>";
private static final String ANY_ELEMENT = "<[^>]*>";
private static final Pattern METHOD_PATTERN = Pattern.compile(
"method='([^']+)'");
private final List<String> loggedMethods;
private final List<String> testMethods;
public LogProcessor(Map<Executable, State> states) {
loggedMethods = states.keySet().stream()
.filter(x -> states.get(x).isLog())
.map(MethodGenerator::commandDescriptor)
.map(MethodDescriptor::getString)
.collect(Collectors.toList());
testMethods = new PoolHelper().getAllMethods()
.stream()
.map(pair -> pair.first)
.map(MethodGenerator::commandDescriptor)
.map(MethodDescriptor::getString)
.collect(Collectors.toList());
}
@Override
public void accept(OutputAnalyzer outputAnalyzer) {
if (loggedMethods.isEmpty()) {
return;
}
matchTasks();
}
/*
* Gets scanner for log file of the test case
*/
private Scanner getScanner() {
File logFile = new File(LOG_FILE);
Scanner scanner;
try {
scanner = new Scanner(logFile);
} catch (FileNotFoundException e) {
throw new Error("TESTBUG: file not found: " + logFile, e);
}
return scanner;
}
/*
* Parses for <task method='java.lang.String indexOf (I)I' >
* and finds if there is a compilation log for this task
*/
private void matchTasks() {
try (Scanner scanner = getScanner()) {
String task = scanner.findWithinHorizon(TASK_ELEMENT, 0);
while (task != null) {
String element = scanner.findWithinHorizon(ANY_ELEMENT, 0);
if (Pattern.matches(TASK_DONE_ELEMENT, element)
|| Pattern.matches(TASK_END_ELEMENT, element)) {
/* If there is nothing between <task> and </task>
except <task done /> then compilation log is empty.
Check the method in this task should not be logged */
Asserts.assertFalse(matchMethod(task), "Compilation log "
+ "expected. Met: " + element);
}
task = scanner.findWithinHorizon(TASK_ELEMENT, 0);
}
}
}
// Check that input method should be logged
private boolean matchMethod(String input) {
Matcher matcher = METHOD_PATTERN.matcher(input);
Asserts.assertTrue(matcher.find(), "Wrong matcher or input");
// Get method and normalize it
String method = normalize(matcher.group(1));
if (loggedMethods.contains(method)) {
return true;
}
if (!testMethods.contains(method)) {
return false;
}
return false;
}
// Normalize given signature to conform regular expression used in tests
private String normalize(String method) {
return method.replaceAll("\\.", "/") // replace dots in a class string
.replaceFirst(" ", ".") // replace space between class and method
.replaceFirst(" ", "") // remove space between method and signature
.replace("<", "<")
.replace(">", ">");
}
}
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