| /* |
| * 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; |
| } |
| } |