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1 /*
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2 * Copyright 2004-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.utilities.soql;
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26
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27 import java.util.*;
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28 import sun.jvm.hotspot.oops.*;
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29 import sun.jvm.hotspot.runtime.*;
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30
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31 /**
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32 * Wraps a methodOop from the debuggee VM.
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33 */
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34 public class JSJavaMethod extends JSJavaObject {
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35 private static final int FIELD_NAME = 0;
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36 private static final int FIELD_SIGNATURE = 1;
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37 private static final int FIELD_HOLDER = 2;
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38 private static final int FIELD_IS_PRIVATE = 3;
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39 private static final int FIELD_IS_PUBLIC = 4;
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40 private static final int FIELD_IS_PROTECTED = 5;
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41 private static final int FIELD_IS_PACKAGE_PRIVATE = 6;
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42 private static final int FIELD_IS_STATIC = 7;
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43 private static final int FIELD_IS_FINAL = 8;
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44 private static final int FIELD_IS_SYNCHRONIZED = 9;
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45 private static final int FIELD_IS_NATIVE = 10;
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46 private static final int FIELD_IS_ABSTRACT = 11;
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47 private static final int FIELD_IS_STRICT = 12;
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48 private static final int FIELD_IS_SYNTHETIC = 13;
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49 private static final int FIELD_IS_OBSOLETE = 14;
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50 private static final int FIELD_UNDEFINED = -1;
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51
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52 public JSJavaMethod(Method m, JSJavaFactory fac) {
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53 super(m, fac);
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54 }
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55
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56 public final Method getMethod() {
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57 return (Method) getOop();
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58 }
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59
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60 public Object get(String name) {
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61 int fieldID = getFieldID(name);
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62 Method method = getMethod();
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63 switch (fieldID) {
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64 case FIELD_NAME:
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65 return method.getName().asString();
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66 case FIELD_SIGNATURE:
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67 return method.getSignature().asString();
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68 case FIELD_HOLDER:
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69 return getMethodHolder();
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70 case FIELD_IS_PRIVATE:
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71 return Boolean.valueOf(method.isPrivate());
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72 case FIELD_IS_PUBLIC:
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73 return Boolean.valueOf(method.isPublic());
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74 case FIELD_IS_PROTECTED:
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75 return Boolean.valueOf(method.isProtected());
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76 case FIELD_IS_PACKAGE_PRIVATE:
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77 return Boolean.valueOf(method.isPackagePrivate());
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78 case FIELD_IS_STATIC:
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79 return Boolean.valueOf(method.isStatic());
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80 case FIELD_IS_FINAL:
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81 return Boolean.valueOf(method.isFinal());
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82 case FIELD_IS_SYNCHRONIZED:
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83 return Boolean.valueOf(method.isSynchronized());
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84 case FIELD_IS_NATIVE:
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85 return Boolean.valueOf(method.isNative());
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86 case FIELD_IS_ABSTRACT:
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87 return Boolean.valueOf(method.isAbstract());
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88 case FIELD_IS_STRICT:
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89 return Boolean.valueOf(method.isStrict());
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90 case FIELD_IS_SYNTHETIC:
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91 return Boolean.valueOf(method.isSynthetic());
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92 case FIELD_IS_OBSOLETE:
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93 return Boolean.valueOf(method.isObsolete());
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94 case FIELD_UNDEFINED:
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95 default:
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96 return super.get(name);
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97 }
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98 }
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99
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100 public Object[] getIds() {
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101 Object[] fieldNames = fields.keySet().toArray();
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102 Object[] superFields = super.getIds();
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103 Object[] res = new Object[fieldNames.length + superFields.length];
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104 System.arraycopy(fieldNames, 0, res, 0, fieldNames.length);
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105 System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length);
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106 return res;
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107 }
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108
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109 public boolean has(String name) {
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110 if (getFieldID(name) != FIELD_UNDEFINED) {
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111 return true;
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112 } else {
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113 return super.has(name);
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114 }
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115 }
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116
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117 public void put(String name, Object value) {
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118 if (getFieldID(name) != FIELD_UNDEFINED) {
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119 return;
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120 } else {
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121 super.put(name, value);
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122 }
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123 }
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124
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125 public String toString() {
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126 StringBuffer buf = new StringBuffer();
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127 buf.append("Method ");
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128 buf.append(getMethod().externalNameAndSignature());
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129 return buf.toString();
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130 }
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131
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132 //-- Internals only below this point
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133 private JSJavaObject getMethodHolder() {
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134 Klass k = getMethod().getMethodHolder();
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135 return factory.newJSJavaKlass(k).getJSJavaClass();
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136 }
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137
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138 private static Map fields = new HashMap();
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139 private static void addField(String name, int fieldId) {
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140 fields.put(name, new Integer(fieldId));
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141 }
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142
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143 private static int getFieldID(String name) {
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144 Integer res = (Integer) fields.get(name);
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145 return (res != null)? res.intValue() : FIELD_UNDEFINED;
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146 }
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147
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148 static {
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149 addField("name", FIELD_NAME);
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150 addField("signature", FIELD_SIGNATURE);
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151 addField("holder", FIELD_HOLDER);
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152 addField("isPrivate", FIELD_IS_PRIVATE);
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153 addField("isPublic", FIELD_IS_PUBLIC);
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154 addField("isProtected", FIELD_IS_PROTECTED);
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155 addField("isPackagePrivate", FIELD_IS_PACKAGE_PRIVATE);
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156 addField("isStatic", FIELD_IS_STATIC);
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157 addField("isFinal", FIELD_IS_FINAL);
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158 addField("isSynchronized", FIELD_IS_SYNCHRONIZED);
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159 addField("isNative", FIELD_IS_NATIVE);
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160 addField("isAbstract", FIELD_IS_ABSTRACT);
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161 addField("isStrict", FIELD_IS_STRICT);
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162 addField("isSynthetic", FIELD_IS_SYNTHETIC);
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163 addField("isObsolete", FIELD_IS_OBSOLETE);
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164 }
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165 }
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