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annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMethod.java @ 23985:05922ce51c5e

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Restore extra level of weakness in the ResolvedJavaType cache
author Tom Rodriguez <tom.rodriguez@oracle.com>
date Mon, 23 Jan 2017 15:50:05 -0800
parents 1bbd4a7c274b
children 1b8892b4ce9c
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1 /*
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2 * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package jdk.vm.ci.hotspot;
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24
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25 import static java.util.FormattableFlags.ALTERNATE;
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26 import static java.util.FormattableFlags.LEFT_JUSTIFY;
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27 import static java.util.FormattableFlags.UPPERCASE;
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28
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29 import java.util.Formattable;
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30 import java.util.Formatter;
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31
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32 import jdk.vm.ci.meta.JavaMethod;
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33 import jdk.vm.ci.meta.ResolvedJavaMethod;
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34
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35 abstract class HotSpotMethod implements JavaMethod, Formattable {
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37 public static String applyFormattingFlagsAndWidth(String s, int flags, int width) {
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38 if (flags == 0 && width < 0) {
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39 return s;
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40 }
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41 StringBuilder sb = new StringBuilder(s);
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42
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43 // apply width and justification
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44 int len = sb.length();
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45 if (len < width) {
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46 for (int i = 0; i < width - len; i++) {
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47 if ((flags & LEFT_JUSTIFY) == LEFT_JUSTIFY) {
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48 sb.append(' ');
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49 } else {
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50 sb.insert(0, ' ');
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51 }
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52 }
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53 }
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55 String res = sb.toString();
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56 if ((flags & UPPERCASE) == UPPERCASE) {
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57 res = res.toUpperCase();
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58 }
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59 return res;
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60 }
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61
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62 protected String name;
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63
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64 /**
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65 * Controls whether {@link #toString()} includes the qualified or simple name of the class in
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66 * which the method is declared.
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67 */
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68 public static final boolean FULLY_QUALIFIED_METHOD_NAME = false;
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69
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70 protected HotSpotMethod(String name) {
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71 this.name = name;
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72 }
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73
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74 @Override
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75 public final String getName() {
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76 return name;
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77 }
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78
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79 @Override
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80 public final String toString() {
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81 char h = FULLY_QUALIFIED_METHOD_NAME ? 'H' : 'h';
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82 String suffix = this instanceof ResolvedJavaMethod ? "" : ", unresolved";
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83 String fmt = String.format("HotSpotMethod<%%%c.%%n(%%p)%s>", h, suffix);
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84 return format(fmt);
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85 }
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87 public void formatTo(Formatter formatter, int flags, int width, int precision) {
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88 String base = (flags & ALTERNATE) == ALTERNATE ? getName() : toString();
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89 formatter.format(applyFormattingFlagsAndWidth(base, flags & ~ALTERNATE, width));
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90 }
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92 public JavaMethod asJavaMethod() {
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93 return this;
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94 }
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95 }