1 /* 2 * Copyright (c) 2017, 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 package org.graalvm.compiler.debug; 24 25 import org.graalvm.compiler.options.Option; 26 import org.graalvm.compiler.options.OptionKey; 27 import org.graalvm.compiler.options.OptionType; 28 import org.graalvm.compiler.options.OptionValues; 29 30 /** 31 * Utility for query whether assertions are enabled. 32 */ 33 public class Assertions { 34 /** 35 * Determines if assertions are enabled. Strictly speaking, this may only be true for the 36 * {@link Assertions} class but we assume assertions are enabled/disabled for Graal as a whole. 37 */ 38 public static boolean assertionsEnabled() { 39 boolean enabled = false; 40 assert (enabled = true) == true; 41 return enabled; 42 } 43 44 /** 45 * Determines if detailed assertions are enabled. This requires that the normal assertions are 46 * also enabled. 47 * 48 * @param values the current OptionValues that might define a value for DetailAsserts. 49 */ 50 public static boolean detailedAssertionsEnabled(OptionValues values) { 51 return assertionsEnabled() && Options.DetailedAsserts.getValue(values); 52 } 53 54 // @formatter:off 55 public static class Options { 56 57 @Option(help = "Enable expensive assertions if normal assertions (i.e. -ea or -esa) are enabled.", type = OptionType.Debug) 58 public static final OptionKey<Boolean> DetailedAsserts = new OptionKey<>(false); 59 60 } 61 // @formatter:on 62 }