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annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaInstanceKlass.java @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
| author | mikael |
|---|---|
| date | Tue, 24 Dec 2013 11:48:39 -0800 |
| parents | 6bd680e9ea35 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
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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. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.utilities.soql; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.oops.*; | |
| 29 import sun.jvm.hotspot.utilities.*; | |
| 30 | |
| 31 /** | |
| 32 This is JavaScript wrapper for InstanceKlass. | |
| 33 */ | |
| 34 public class JSJavaInstanceKlass extends JSJavaKlass { | |
| 35 private static final int FIELD_SOURCE_FILE = 1; | |
| 36 private static final int FIELD_INTERFACES = 2; | |
| 37 private static final int FIELD_FIELDS = 3; | |
| 38 private static final int FIELD_METHODS = 4; | |
| 39 private static final int FIELD_IS_PRIVATE = 5; | |
| 40 private static final int FIELD_IS_PUBLIC = 6; | |
| 41 private static final int FIELD_IS_PROTECTED = 7; | |
| 42 private static final int FIELD_IS_PACKAGE_PRIVATE = 8; | |
| 43 private static final int FIELD_IS_STATIC = 9; | |
| 44 private static final int FIELD_IS_FINAL = 10; | |
| 45 private static final int FIELD_IS_ABSTRACT = 11; | |
| 46 private static final int FIELD_IS_STRICT = 12; | |
| 47 private static final int FIELD_IS_SYNTHETIC = 13; | |
| 48 private static final int FIELD_IS_INTERFACE = 14; | |
| 49 private static final int FIELD_CLASS_LOADER = 15; | |
| 50 private static final int FIELD_STATICS = 18; | |
| 51 private static final int FIELD_UNDEFINED = -1; | |
| 52 | |
| 53 public JSJavaInstanceKlass(InstanceKlass kls, JSJavaFactory fac) { | |
| 54 super(kls, fac); | |
| 55 this.instanceFields = new HashMap(); | |
| 56 this.staticFields = new HashMap(); | |
| 57 } | |
| 58 | |
| 59 public final InstanceKlass getInstanceKlass() { | |
| 60 return (InstanceKlass) getKlass(); | |
| 61 } | |
| 62 | |
| 63 public Object getMetaClassFieldValue(String name) { | |
| 64 int fieldID = getFieldID(name); | |
| 65 InstanceKlass ik = getInstanceKlass(); | |
| 66 switch (fieldID) { | |
| 67 case FIELD_SOURCE_FILE: { | |
| 68 Symbol sourceFile = ik.getSourceFileName(); | |
| 69 return (sourceFile != null)? sourceFile.asString() : "<unknown>"; | |
| 70 } | |
| 71 case FIELD_INTERFACES: | |
| 72 return getInterfaces(); | |
| 73 case FIELD_FIELDS: | |
| 74 return factory.newJSList(ik.getImmediateFields()); | |
| 75 case FIELD_METHODS: | |
| 76 return factory.newJSList(ik.getImmediateMethods()); | |
| 77 case FIELD_IS_PRIVATE: | |
| 78 return Boolean.valueOf(getAccessFlags().isPrivate()); | |
| 79 case FIELD_IS_PUBLIC: | |
| 80 return Boolean.valueOf(getAccessFlags().isPublic()); | |
| 81 case FIELD_IS_PROTECTED: | |
| 82 return Boolean.valueOf(getAccessFlags().isProtected()); | |
| 83 case FIELD_IS_PACKAGE_PRIVATE: { | |
| 84 AccessFlags acc = getAccessFlags(); | |
| 85 return Boolean.valueOf(!acc.isPrivate() && !acc.isPublic() && !acc.isProtected()); | |
| 86 } | |
| 87 case FIELD_IS_STATIC: | |
| 88 return Boolean.valueOf(getAccessFlags().isStatic()); | |
| 89 case FIELD_IS_FINAL: | |
| 90 return Boolean.valueOf(getAccessFlags().isFinal()); | |
| 91 case FIELD_IS_ABSTRACT: | |
| 92 return Boolean.valueOf(getAccessFlags().isAbstract()); | |
| 93 case FIELD_IS_STRICT: | |
| 94 return Boolean.valueOf(getAccessFlags().isStrict()); | |
| 95 case FIELD_IS_SYNTHETIC: | |
| 96 return Boolean.valueOf(getAccessFlags().isSynthetic()); | |
| 97 case FIELD_IS_INTERFACE: | |
| 98 return Boolean.valueOf(ik.isInterface()); | |
| 99 case FIELD_CLASS_LOADER: | |
| 100 return factory.newJSJavaObject(ik.getClassLoader()); | |
| 101 case FIELD_STATICS: | |
| 102 return getStatics(); | |
| 103 case FIELD_UNDEFINED: | |
| 104 default: | |
| 105 return super.getMetaClassFieldValue(name); | |
| 106 } | |
| 107 } | |
| 108 | |
| 109 public boolean hasMetaClassField(String name) { | |
| 110 if (getFieldID(name) != FIELD_UNDEFINED) { | |
| 111 return true; | |
| 112 } else { | |
| 113 return super.hasMetaClassField(name); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 public String getName() { | |
| 118 return getInstanceKlass().getName().asString().replace('/', '.'); | |
| 119 } | |
| 120 | |
| 121 public boolean isArray() { | |
| 122 return false; | |
| 123 } | |
| 124 | |
| 125 public String[] getMetaClassFieldNames() { | |
| 126 String[] superFields = super.getMetaClassFieldNames(); | |
| 127 Set k = fields.keySet(); | |
| 128 String[] res = new String[k.size() + superFields.length]; | |
| 129 System.arraycopy(superFields, 0, res, 0, superFields.length); | |
| 130 int i = superFields.length; | |
| 131 for (Iterator itr = k.iterator(); itr.hasNext();) { | |
| 132 res[i] = (String) itr.next(); | |
| 133 i++; | |
| 134 } | |
| 135 return res; | |
| 136 } | |
| 137 | |
| 138 public Object getInstanceFieldValue(String name, Instance instance) throws NoSuchFieldException { | |
| 139 Field fld = findInstanceField(name); | |
| 140 if (fld != null) { | |
| 141 return getFieldValue(fld, name, instance); | |
| 142 } else { | |
| 143 throw new NoSuchFieldException(name + " is not field of " | |
| 144 + getInstanceKlass().getName().asString().replace('/', '.')); | |
| 145 } | |
| 146 } | |
| 147 | |
| 148 public Object getStaticFieldValue(String name) throws NoSuchFieldException { | |
| 149 Field fld = findStaticField(name); | |
| 150 if (fld != null) { | |
| 151 return getFieldValue(fld, name, getInstanceKlass()); | |
| 152 } else { | |
| 153 throw new NoSuchFieldException(name + " is not field of " | |
| 154 + getInstanceKlass().getName().asString().replace('/', '.')); | |
| 155 } | |
| 156 } | |
| 157 | |
| 158 public String[] getInstanceFieldNames() { | |
| 159 if (instanceFieldNames == null) { | |
| 160 InstanceKlass current = getInstanceKlass(); | |
| 161 while (current != null) { | |
| 162 List tmp = current.getImmediateFields(); | |
| 163 for (Iterator itr = tmp.iterator(); itr.hasNext();) { | |
| 164 Field fld = (Field) itr.next(); | |
| 165 if (!fld.isStatic()) { | |
| 166 String name = fld.getID().getName(); | |
| 167 if (instanceFields.get(name) == null) { | |
| 168 instanceFields.put(name, fld); | |
| 169 } | |
| 170 } | |
| 171 } | |
| 172 current = (InstanceKlass) current.getSuper(); | |
| 173 } | |
| 174 | |
| 175 Set s = instanceFields.keySet(); | |
| 176 instanceFieldNames = new String[s.size()]; | |
| 177 int i = 0; | |
| 178 for (Iterator itr = s.iterator(); itr.hasNext(); i++) { | |
| 179 instanceFieldNames[i] = (String) itr.next(); | |
| 180 } | |
| 181 } | |
| 182 return instanceFieldNames; | |
| 183 } | |
| 184 | |
| 185 public boolean hasInstanceField(String name) { | |
| 186 Field fld = findInstanceField(name); | |
| 187 return (fld != null)? true: false; | |
| 188 } | |
| 189 | |
| 190 public String[] getStaticFieldNames() { | |
| 191 if (staticFieldNames == null) { | |
| 192 InstanceKlass current = getInstanceKlass(); | |
| 193 List tmp = current.getImmediateFields(); | |
| 194 for (Iterator itr = tmp.iterator(); itr.hasNext();) { | |
| 195 Field fld = (Field) itr.next(); | |
| 196 if (fld.isStatic()) { | |
| 197 staticFields.put(fld.getID().getName(), fld); | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 Set s = staticFields.keySet(); | |
| 202 staticFieldNames = new String[s.size()]; | |
| 203 int i = 0; | |
| 204 for (Iterator itr = s.iterator(); itr.hasNext(); i++) { | |
| 205 staticFieldNames[i] = (String) itr.next(); | |
| 206 } | |
| 207 } | |
| 208 return staticFieldNames; | |
| 209 } | |
| 210 | |
| 211 public boolean hasStaticField(String name) { | |
| 212 Field fld = findStaticField(name); | |
| 213 return (fld != null)? true: false; | |
| 214 } | |
| 215 | |
| 216 //-- Intenals only below this point | |
| 217 private static Map fields = new HashMap(); | |
| 218 private static void addField(String name, int fieldId) { | |
| 219 fields.put(name, new Integer(fieldId)); | |
| 220 } | |
| 221 | |
| 222 private static int getFieldID(String name) { | |
| 223 Integer res = (Integer) fields.get(name); | |
| 224 return (res != null)? res.intValue() : FIELD_UNDEFINED; | |
| 225 } | |
| 226 | |
| 227 static { | |
| 228 addField("sourceFile", FIELD_SOURCE_FILE); | |
| 229 addField("interfaces", FIELD_INTERFACES); | |
| 230 addField("fields", FIELD_FIELDS); | |
| 231 addField("methods", FIELD_METHODS); | |
| 232 addField("isPrivate", FIELD_IS_PRIVATE); | |
| 233 addField("isPublic", FIELD_IS_PUBLIC); | |
| 234 addField("isProtected", FIELD_IS_PROTECTED); | |
| 235 addField("isPackagePrivate", FIELD_IS_PACKAGE_PRIVATE); | |
| 236 addField("isStatic", FIELD_IS_STATIC); | |
| 237 addField("isFinal", FIELD_IS_FINAL); | |
| 238 addField("isAbstract", FIELD_IS_ABSTRACT); | |
| 239 addField("isStrict", FIELD_IS_STRICT); | |
| 240 addField("isSynthetic", FIELD_IS_SYNTHETIC); | |
| 241 addField("isInterface", FIELD_IS_INTERFACE); | |
| 242 addField("classLoader", FIELD_CLASS_LOADER); | |
| 243 addField("statics", FIELD_STATICS); | |
| 244 } | |
| 245 | |
| 246 private AccessFlags getAccessFlags() { | |
| 247 if (accFlags == null) { | |
| 248 accFlags = new AccessFlags(getInstanceKlass().computeModifierFlags()); | |
| 249 } | |
| 250 return accFlags; | |
| 251 } | |
| 252 | |
| 253 private Object getFieldValue(Field fld, String name, Oop oop) { | |
| 254 FieldType fd = fld.getFieldType(); | |
| 255 if (fd.isObject() || fd.isArray()) { | |
| 256 return factory.newJSJavaObject(((OopField)fld).getValue(oop)); | |
| 257 } else if (fd.isByte()) { | |
| 258 return new Byte(((ByteField)fld).getValue(oop)); | |
| 259 } else if (fd.isChar()) { | |
| 260 return new String(new char[] { ((CharField)fld).getValue(oop) }); | |
| 261 } else if (fd.isDouble()) { | |
| 262 return new Double(((DoubleField)fld).getValue(oop)); | |
| 263 } else if (fd.isFloat()) { | |
| 264 return new Float(((FloatField)fld).getValue(oop)); | |
| 265 } else if (fd.isInt()) { | |
| 266 return new Integer(((IntField)fld).getValue(oop)); | |
| 267 } else if (fd.isLong()) { | |
| 268 return new Long(((LongField)fld).getValue(oop)); | |
| 269 } else if (fd.isShort()) { | |
| 270 return new Short(((ShortField)fld).getValue(oop)); | |
| 271 } else if (fd.isBoolean()) { | |
| 272 return Boolean.valueOf(((BooleanField)fld).getValue(oop)); | |
| 273 } else { | |
| 274 if (Assert.ASSERTS_ENABLED) { | |
| 275 Assert.that(false, "invalid field type for " + name); | |
| 276 } | |
| 277 return null; | |
| 278 } | |
| 279 } | |
| 280 | |
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281 private Object getFieldValue(Field fld, String name, InstanceKlass oop) { |
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282 FieldType fd = fld.getFieldType(); |
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283 if (fd.isObject() || fd.isArray()) { |
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284 return factory.newJSJavaObject(((OopField)fld).getValue(oop)); |
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285 } else if (fd.isByte()) { |
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286 return new Byte(((ByteField)fld).getValue(oop)); |
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287 } else if (fd.isChar()) { |
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288 return new String(new char[] { ((CharField)fld).getValue(oop) }); |
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289 } else if (fd.isDouble()) { |
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290 return new Double(((DoubleField)fld).getValue(oop)); |
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291 } else if (fd.isFloat()) { |
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292 return new Float(((FloatField)fld).getValue(oop)); |
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293 } else if (fd.isInt()) { |
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294 return new Integer(((IntField)fld).getValue(oop)); |
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295 } else if (fd.isLong()) { |
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296 return new Long(((LongField)fld).getValue(oop)); |
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297 } else if (fd.isShort()) { |
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298 return new Short(((ShortField)fld).getValue(oop)); |
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299 } else if (fd.isBoolean()) { |
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300 return Boolean.valueOf(((BooleanField)fld).getValue(oop)); |
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301 } else { |
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302 if (Assert.ASSERTS_ENABLED) { |
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303 Assert.that(false, "invalid field type for " + name); |
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304 } |
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305 return null; |
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306 } |
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307 } |
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308 |
| 0 | 309 private Field findInstanceField(String name) { |
| 310 Field fld = (Field) instanceFields.get(name); | |
| 311 if (fld != null) { | |
| 312 return fld; | |
| 313 } else { | |
| 314 InstanceKlass current = getInstanceKlass(); | |
| 315 while (current != null) { | |
| 316 List tmp = current.getImmediateFields(); | |
| 317 for (Iterator itr = tmp.iterator(); itr.hasNext();) { | |
| 318 fld = (Field) itr.next(); | |
| 319 if (fld.getID().getName().equals(name) && !fld.isStatic()) { | |
| 320 instanceFields.put(name, fld); | |
| 321 return fld; | |
| 322 } | |
| 323 } | |
| 324 // lookup in super class. | |
| 325 current = (InstanceKlass) current.getSuper(); | |
| 326 } | |
| 327 } | |
| 328 // no match | |
| 329 return null; | |
| 330 } | |
| 331 | |
| 332 private Field findStaticField(String name) { | |
| 333 Field fld = (Field) staticFields.get(name); | |
| 334 if (fld != null) { | |
| 335 return fld; | |
| 336 } else { | |
| 337 // static fields are searched only in current. | |
| 338 // Direct/indirect super classes and interfaces | |
| 339 // are not included in search. | |
| 340 InstanceKlass current = getInstanceKlass(); | |
| 341 List tmp = current.getImmediateFields(); | |
| 342 for (Iterator itr = tmp.iterator(); itr.hasNext();) { | |
| 343 fld = (Field) itr.next(); | |
| 344 if (fld.getID().getName().equals(name) && fld.isStatic()) { | |
| 345 staticFields.put(name, fld); | |
| 346 return fld; | |
| 347 } | |
| 348 } | |
| 349 // no match | |
| 350 return null; | |
| 351 } | |
| 352 } | |
| 353 | |
| 354 private JSList getInterfaces() { | |
| 355 InstanceKlass ik = getInstanceKlass(); | |
| 356 List intfs = ik.getDirectImplementedInterfaces(); | |
| 357 List res = new ArrayList(0); | |
| 358 for (Iterator itr = intfs.iterator(); itr.hasNext();) { | |
| 359 Klass k = (Klass) itr.next(); | |
| 360 res.add(k.getJavaMirror()); | |
| 361 } | |
| 362 return factory.newJSList(res); | |
| 363 } | |
| 364 | |
| 365 private JSMap getStatics() { | |
| 366 String[] names = getStaticFieldNames(); | |
| 367 Map map = new HashMap(); | |
| 368 for (int i=0; i < names.length; i++) { | |
| 369 try { | |
| 370 map.put(names[i], getStaticFieldValue(names[i])); | |
| 371 } catch (NoSuchFieldException exp) {} | |
| 372 } | |
| 373 return factory.newJSMap(map); | |
| 374 } | |
| 375 | |
| 376 private Map instanceFields; | |
| 377 private Map staticFields; | |
| 378 private String[] instanceFieldNames; | |
| 379 private String[] staticFieldNames; | |
| 380 private AccessFlags accFlags; | |
| 381 } |