| /* |
| * Copyright (c) 2016, 2017, 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 jdk.tools.jaotc; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.regex.Pattern; |
| |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| /** |
| * A class encapsulating any user-specified compilation restrictions. |
| */ |
| final class CompilationSpec { |
| |
| /** |
| * Set of method names to restrict compilation to. |
| */ |
| private HashSet<String> compileOnlyStrings = new HashSet<>(); |
| private HashSet<Pattern> compileOnlyPatterns = new HashSet<>(); |
| |
| /** |
| * Set of method names that should be excluded from compilation. |
| */ |
| private HashSet<String> excludeStrings = new HashSet<>(); |
| private HashSet<Pattern> excludePatterns = new HashSet<>(); |
| |
| /** |
| * Add a {@code compileOnly} directive to the compile-only list. |
| * |
| * @param pattern regex or non-regex pattern string |
| */ |
| void addCompileOnlyPattern(String pattern) { |
| if (pattern.contains("*")) { |
| compileOnlyPatterns.add(Pattern.compile(pattern)); |
| } else { |
| compileOnlyStrings.add(pattern); |
| } |
| } |
| |
| /** |
| * Add an {@code exclude} directive to the exclude list. |
| * |
| * @param pattern regex or non-regex pattern string |
| */ |
| void addExcludePattern(String pattern) { |
| if (pattern.contains("*")) { |
| excludePatterns.add(Pattern.compile(pattern)); |
| } else { |
| excludeStrings.add(pattern); |
| } |
| } |
| |
| /** |
| * Check if a given method is part of a restrictive compilation. |
| * |
| * @param method method to be checked |
| * @return true or false |
| */ |
| boolean shouldCompileMethod(ResolvedJavaMethod method) { |
| if (compileWithRestrictions()) { |
| // If there are user-specified compileOnly patterns, default action |
| // is not to compile the method. |
| boolean compileMethod = compileOnlyStrings.isEmpty() && compileOnlyPatterns.isEmpty(); |
| |
| // Check if the method matches with any of the specified compileOnly patterns. |
| String methodName = JavaMethodInfo.uniqueMethodName(method); |
| |
| // compileOnly |
| if (!compileMethod) { |
| compileMethod = compileOnlyStrings.contains(methodName); |
| } |
| if (!compileMethod) { |
| Iterator<Pattern> it = compileOnlyPatterns.iterator(); |
| while (!compileMethod && it.hasNext()) { |
| Pattern pattern = it.next(); |
| compileMethod = pattern.matcher(methodName).matches(); |
| } |
| } |
| |
| // exclude |
| if (compileMethod) { |
| compileMethod = !excludeStrings.contains(methodName); |
| } |
| if (compileMethod) { |
| Iterator<Pattern> it = excludePatterns.iterator(); |
| while (compileMethod && it.hasNext()) { |
| Pattern pattern = it.next(); |
| compileMethod = !(pattern.matcher(methodName).matches()); |
| } |
| } |
| return compileMethod; |
| } |
| return true; |
| } |
| |
| /** |
| * Return true if compilation restrictions are specified. |
| */ |
| private boolean compileWithRestrictions() { |
| return !(compileOnlyStrings.isEmpty() && compileOnlyPatterns.isEmpty() && excludeStrings.isEmpty() && excludePatterns.isEmpty()); |
| } |
| |
| } |