Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethod.java @ 23344:32d6bceb9adc
do not install an empty SpeculationLog in an nmethod (JDK-8153439)
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 04 Apr 2016 22:59:08 +0200 |
parents | 1bbd4a7c274b |
children | 1b8892b4ce9c |
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/* * Copyright (c) 2011, 2015, 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.vm.ci.hotspot; import static java.util.FormattableFlags.ALTERNATE; import static java.util.FormattableFlags.LEFT_JUSTIFY; import static java.util.FormattableFlags.UPPERCASE; import java.util.Formattable; import java.util.Formatter; import jdk.vm.ci.meta.JavaMethod; import jdk.vm.ci.meta.ResolvedJavaMethod; abstract class HotSpotMethod implements JavaMethod, Formattable { public static String applyFormattingFlagsAndWidth(String s, int flags, int width) { if (flags == 0 && width < 0) { return s; } StringBuilder sb = new StringBuilder(s); // apply width and justification int len = sb.length(); if (len < width) { for (int i = 0; i < width - len; i++) { if ((flags & LEFT_JUSTIFY) == LEFT_JUSTIFY) { sb.append(' '); } else { sb.insert(0, ' '); } } } String res = sb.toString(); if ((flags & UPPERCASE) == UPPERCASE) { res = res.toUpperCase(); } return res; } protected String name; /** * Controls whether {@link #toString()} includes the qualified or simple name of the class in * which the method is declared. */ public static final boolean FULLY_QUALIFIED_METHOD_NAME = false; protected HotSpotMethod(String name) { this.name = name; } @Override public final String getName() { return name; } @Override public final String toString() { char h = FULLY_QUALIFIED_METHOD_NAME ? 'H' : 'h'; String suffix = this instanceof ResolvedJavaMethod ? "" : ", unresolved"; String fmt = String.format("HotSpotMethod<%%%c.%%n(%%p)%s>", h, suffix); return format(fmt); } public void formatTo(Formatter formatter, int flags, int width, int precision) { String base = (flags & ALTERNATE) == ALTERNATE ? getName() : toString(); formatter.format(applyFormattingFlagsAndWidth(base, flags & ~ALTERNATE, width)); } public JavaMethod asJavaMethod() { return this; } }