Thu, 12 Oct 2017 19:52:15 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package jdk.nashorn.api.scripting; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.nio.ByteBuffer; |
aoqi@0 | 29 | import java.security.AccessControlContext; |
aoqi@0 | 30 | import java.security.AccessController; |
aoqi@0 | 31 | import java.security.Permissions; |
aoqi@0 | 32 | import java.security.PrivilegedAction; |
aoqi@0 | 33 | import java.security.ProtectionDomain; |
aoqi@0 | 34 | import java.util.AbstractMap; |
aoqi@0 | 35 | import java.util.ArrayList; |
aoqi@0 | 36 | import java.util.Collection; |
aoqi@0 | 37 | import java.util.Collections; |
aoqi@0 | 38 | import java.util.Iterator; |
aoqi@0 | 39 | import java.util.LinkedHashSet; |
aoqi@0 | 40 | import java.util.List; |
aoqi@0 | 41 | import java.util.Map; |
aoqi@0 | 42 | import java.util.Set; |
aoqi@0 | 43 | import java.util.concurrent.Callable; |
aoqi@0 | 44 | import javax.script.Bindings; |
aoqi@0 | 45 | import jdk.nashorn.internal.objects.Global; |
aoqi@0 | 46 | import jdk.nashorn.internal.runtime.ConsString; |
aoqi@0 | 47 | import jdk.nashorn.internal.runtime.Context; |
aoqi@0 | 48 | import jdk.nashorn.internal.runtime.JSType; |
aoqi@0 | 49 | import jdk.nashorn.internal.runtime.ScriptFunction; |
aoqi@0 | 50 | import jdk.nashorn.internal.runtime.ScriptObject; |
aoqi@0 | 51 | import jdk.nashorn.internal.runtime.ScriptRuntime; |
attila@962 | 52 | import jdk.nashorn.internal.runtime.arrays.ArrayData; |
hannesw@1020 | 53 | import jdk.nashorn.internal.runtime.linker.NashornCallSiteDescriptor; |
aoqi@0 | 54 | |
aoqi@0 | 55 | /** |
aoqi@0 | 56 | * Mirror object that wraps a given Nashorn Script object. |
aoqi@0 | 57 | */ |
aoqi@0 | 58 | public final class ScriptObjectMirror extends AbstractJSObject implements Bindings { |
aoqi@0 | 59 | private static AccessControlContext getContextAccCtxt() { |
aoqi@0 | 60 | final Permissions perms = new Permissions(); |
aoqi@0 | 61 | perms.add(new RuntimePermission(Context.NASHORN_GET_CONTEXT)); |
aoqi@0 | 62 | return new AccessControlContext(new ProtectionDomain[] { new ProtectionDomain(null, perms) }); |
aoqi@0 | 63 | } |
aoqi@0 | 64 | |
aoqi@0 | 65 | private static final AccessControlContext GET_CONTEXT_ACC_CTXT = getContextAccCtxt(); |
aoqi@0 | 66 | |
aoqi@0 | 67 | private final ScriptObject sobj; |
aoqi@0 | 68 | private final Global global; |
aoqi@0 | 69 | private final boolean strict; |
aoqi@0 | 70 | |
aoqi@0 | 71 | @Override |
aoqi@0 | 72 | public boolean equals(final Object other) { |
aoqi@0 | 73 | if (other instanceof ScriptObjectMirror) { |
aoqi@0 | 74 | return sobj.equals(((ScriptObjectMirror)other).sobj); |
aoqi@0 | 75 | } |
aoqi@0 | 76 | |
aoqi@0 | 77 | return false; |
aoqi@0 | 78 | } |
aoqi@0 | 79 | |
aoqi@0 | 80 | @Override |
aoqi@0 | 81 | public int hashCode() { |
aoqi@0 | 82 | return sobj.hashCode(); |
aoqi@0 | 83 | } |
aoqi@0 | 84 | |
aoqi@0 | 85 | @Override |
aoqi@0 | 86 | public String toString() { |
aoqi@0 | 87 | return inGlobal(new Callable<String>() { |
aoqi@0 | 88 | @Override |
aoqi@0 | 89 | public String call() { |
aoqi@0 | 90 | return ScriptRuntime.safeToString(sobj); |
aoqi@0 | 91 | } |
aoqi@0 | 92 | }); |
aoqi@0 | 93 | } |
aoqi@0 | 94 | |
aoqi@0 | 95 | // JSObject methods |
aoqi@0 | 96 | |
aoqi@0 | 97 | @Override |
aoqi@0 | 98 | public Object call(final Object thiz, final Object... args) { |
aoqi@0 | 99 | final Global oldGlobal = Context.getGlobal(); |
aoqi@0 | 100 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 101 | |
aoqi@0 | 102 | try { |
aoqi@0 | 103 | if (globalChanged) { |
aoqi@0 | 104 | Context.setGlobal(global); |
aoqi@0 | 105 | } |
aoqi@0 | 106 | |
aoqi@0 | 107 | if (sobj instanceof ScriptFunction) { |
aoqi@0 | 108 | final Object[] modArgs = globalChanged? wrapArray(args, oldGlobal) : args; |
aoqi@0 | 109 | final Object self = globalChanged? wrap(thiz, oldGlobal) : thiz; |
aoqi@0 | 110 | return wrap(ScriptRuntime.apply((ScriptFunction)sobj, unwrap(self, global), unwrapArray(modArgs, global)), global); |
aoqi@0 | 111 | } |
aoqi@0 | 112 | |
aoqi@0 | 113 | throw new RuntimeException("not a function: " + toString()); |
aoqi@0 | 114 | } catch (final NashornException ne) { |
aoqi@0 | 115 | throw ne.initEcmaError(global); |
aoqi@0 | 116 | } catch (final RuntimeException | Error e) { |
aoqi@0 | 117 | throw e; |
aoqi@0 | 118 | } catch (final Throwable t) { |
aoqi@0 | 119 | throw new RuntimeException(t); |
aoqi@0 | 120 | } finally { |
aoqi@0 | 121 | if (globalChanged) { |
aoqi@0 | 122 | Context.setGlobal(oldGlobal); |
aoqi@0 | 123 | } |
aoqi@0 | 124 | } |
aoqi@0 | 125 | } |
aoqi@0 | 126 | |
aoqi@0 | 127 | @Override |
aoqi@0 | 128 | public Object newObject(final Object... args) { |
aoqi@0 | 129 | final Global oldGlobal = Context.getGlobal(); |
aoqi@0 | 130 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 131 | |
aoqi@0 | 132 | try { |
aoqi@0 | 133 | if (globalChanged) { |
aoqi@0 | 134 | Context.setGlobal(global); |
aoqi@0 | 135 | } |
aoqi@0 | 136 | |
aoqi@0 | 137 | if (sobj instanceof ScriptFunction) { |
aoqi@0 | 138 | final Object[] modArgs = globalChanged? wrapArray(args, oldGlobal) : args; |
aoqi@0 | 139 | return wrap(ScriptRuntime.construct((ScriptFunction)sobj, unwrapArray(modArgs, global)), global); |
aoqi@0 | 140 | } |
aoqi@0 | 141 | |
aoqi@0 | 142 | throw new RuntimeException("not a constructor: " + toString()); |
aoqi@0 | 143 | } catch (final NashornException ne) { |
aoqi@0 | 144 | throw ne.initEcmaError(global); |
aoqi@0 | 145 | } catch (final RuntimeException | Error e) { |
aoqi@0 | 146 | throw e; |
aoqi@0 | 147 | } catch (final Throwable t) { |
aoqi@0 | 148 | throw new RuntimeException(t); |
aoqi@0 | 149 | } finally { |
aoqi@0 | 150 | if (globalChanged) { |
aoqi@0 | 151 | Context.setGlobal(oldGlobal); |
aoqi@0 | 152 | } |
aoqi@0 | 153 | } |
aoqi@0 | 154 | } |
aoqi@0 | 155 | |
aoqi@0 | 156 | @Override |
aoqi@0 | 157 | public Object eval(final String s) { |
aoqi@0 | 158 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 159 | @Override |
aoqi@0 | 160 | public Object call() { |
aoqi@0 | 161 | final Context context = AccessController.doPrivileged( |
aoqi@0 | 162 | new PrivilegedAction<Context>() { |
aoqi@0 | 163 | @Override |
aoqi@0 | 164 | public Context run() { |
aoqi@0 | 165 | return Context.getContext(); |
aoqi@0 | 166 | } |
aoqi@0 | 167 | }, GET_CONTEXT_ACC_CTXT); |
sundar@965 | 168 | return wrap(context.eval(global, s, sobj, null, false), global); |
aoqi@0 | 169 | } |
aoqi@0 | 170 | }); |
aoqi@0 | 171 | } |
aoqi@0 | 172 | |
attila@963 | 173 | /** |
attila@963 | 174 | * Call member function |
attila@963 | 175 | * @param functionName function name |
attila@963 | 176 | * @param args arguments |
attila@963 | 177 | * @return return value of function |
attila@963 | 178 | */ |
aoqi@0 | 179 | public Object callMember(final String functionName, final Object... args) { |
aoqi@0 | 180 | functionName.getClass(); // null check |
aoqi@0 | 181 | final Global oldGlobal = Context.getGlobal(); |
aoqi@0 | 182 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 183 | |
aoqi@0 | 184 | try { |
aoqi@0 | 185 | if (globalChanged) { |
aoqi@0 | 186 | Context.setGlobal(global); |
aoqi@0 | 187 | } |
aoqi@0 | 188 | |
aoqi@0 | 189 | final Object val = sobj.get(functionName); |
aoqi@0 | 190 | if (val instanceof ScriptFunction) { |
aoqi@0 | 191 | final Object[] modArgs = globalChanged? wrapArray(args, oldGlobal) : args; |
aoqi@0 | 192 | return wrap(ScriptRuntime.apply((ScriptFunction)val, sobj, unwrapArray(modArgs, global)), global); |
aoqi@0 | 193 | } else if (val instanceof JSObject && ((JSObject)val).isFunction()) { |
aoqi@0 | 194 | return ((JSObject)val).call(sobj, args); |
aoqi@0 | 195 | } |
aoqi@0 | 196 | |
aoqi@0 | 197 | throw new NoSuchMethodException("No such function " + functionName); |
aoqi@0 | 198 | } catch (final NashornException ne) { |
aoqi@0 | 199 | throw ne.initEcmaError(global); |
aoqi@0 | 200 | } catch (final RuntimeException | Error e) { |
aoqi@0 | 201 | throw e; |
aoqi@0 | 202 | } catch (final Throwable t) { |
aoqi@0 | 203 | throw new RuntimeException(t); |
aoqi@0 | 204 | } finally { |
aoqi@0 | 205 | if (globalChanged) { |
aoqi@0 | 206 | Context.setGlobal(oldGlobal); |
aoqi@0 | 207 | } |
aoqi@0 | 208 | } |
aoqi@0 | 209 | } |
aoqi@0 | 210 | |
aoqi@0 | 211 | @Override |
aoqi@0 | 212 | public Object getMember(final String name) { |
aoqi@0 | 213 | name.getClass(); |
aoqi@0 | 214 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 215 | @Override public Object call() { |
aoqi@0 | 216 | return wrap(sobj.get(name), global); |
aoqi@0 | 217 | } |
aoqi@0 | 218 | }); |
aoqi@0 | 219 | } |
aoqi@0 | 220 | |
aoqi@0 | 221 | @Override |
aoqi@0 | 222 | public Object getSlot(final int index) { |
aoqi@0 | 223 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 224 | @Override public Object call() { |
aoqi@0 | 225 | return wrap(sobj.get(index), global); |
aoqi@0 | 226 | } |
aoqi@0 | 227 | }); |
aoqi@0 | 228 | } |
aoqi@0 | 229 | |
aoqi@0 | 230 | @Override |
aoqi@0 | 231 | public boolean hasMember(final String name) { |
aoqi@0 | 232 | name.getClass(); |
aoqi@0 | 233 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 234 | @Override public Boolean call() { |
aoqi@0 | 235 | return sobj.has(name); |
aoqi@0 | 236 | } |
aoqi@0 | 237 | }); |
aoqi@0 | 238 | } |
aoqi@0 | 239 | |
aoqi@0 | 240 | @Override |
aoqi@0 | 241 | public boolean hasSlot(final int slot) { |
aoqi@0 | 242 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 243 | @Override public Boolean call() { |
aoqi@0 | 244 | return sobj.has(slot); |
aoqi@0 | 245 | } |
aoqi@0 | 246 | }); |
aoqi@0 | 247 | } |
aoqi@0 | 248 | |
aoqi@0 | 249 | @Override |
aoqi@0 | 250 | public void removeMember(final String name) { |
aoqi@0 | 251 | name.getClass(); |
aoqi@0 | 252 | remove(name); |
aoqi@0 | 253 | } |
aoqi@0 | 254 | |
aoqi@0 | 255 | @Override |
aoqi@0 | 256 | public void setMember(final String name, final Object value) { |
aoqi@0 | 257 | name.getClass(); |
aoqi@0 | 258 | put(name, value); |
aoqi@0 | 259 | } |
aoqi@0 | 260 | |
aoqi@0 | 261 | @Override |
aoqi@0 | 262 | public void setSlot(final int index, final Object value) { |
aoqi@0 | 263 | inGlobal(new Callable<Void>() { |
aoqi@0 | 264 | @Override public Void call() { |
hannesw@1020 | 265 | sobj.set(index, unwrap(value, global), getCallSiteFlags()); |
aoqi@0 | 266 | return null; |
aoqi@0 | 267 | } |
aoqi@0 | 268 | }); |
aoqi@0 | 269 | } |
aoqi@0 | 270 | |
aoqi@0 | 271 | /** |
aoqi@0 | 272 | * Nashorn extension: setIndexedPropertiesToExternalArrayData. |
aoqi@0 | 273 | * set indexed properties be exposed from a given nio ByteBuffer. |
aoqi@0 | 274 | * |
aoqi@0 | 275 | * @param buf external buffer - should be a nio ByteBuffer |
aoqi@0 | 276 | */ |
aoqi@0 | 277 | public void setIndexedPropertiesToExternalArrayData(final ByteBuffer buf) { |
aoqi@0 | 278 | inGlobal(new Callable<Void>() { |
aoqi@0 | 279 | @Override public Void call() { |
aoqi@0 | 280 | sobj.setArray(ArrayData.allocate(buf)); |
aoqi@0 | 281 | return null; |
aoqi@0 | 282 | } |
aoqi@0 | 283 | }); |
aoqi@0 | 284 | } |
aoqi@0 | 285 | |
aoqi@0 | 286 | |
aoqi@0 | 287 | @Override |
aoqi@0 | 288 | public boolean isInstance(final Object obj) { |
aoqi@0 | 289 | if (! (obj instanceof ScriptObjectMirror)) { |
aoqi@0 | 290 | return false; |
aoqi@0 | 291 | } |
aoqi@0 | 292 | |
aoqi@0 | 293 | final ScriptObjectMirror instance = (ScriptObjectMirror)obj; |
aoqi@0 | 294 | // if not belongs to my global scope, return false |
aoqi@0 | 295 | if (global != instance.global) { |
aoqi@0 | 296 | return false; |
aoqi@0 | 297 | } |
aoqi@0 | 298 | |
aoqi@0 | 299 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 300 | @Override public Boolean call() { |
aoqi@0 | 301 | return sobj.isInstance(instance.sobj); |
aoqi@0 | 302 | } |
aoqi@0 | 303 | }); |
aoqi@0 | 304 | } |
aoqi@0 | 305 | |
aoqi@0 | 306 | @Override |
aoqi@0 | 307 | public String getClassName() { |
aoqi@0 | 308 | return sobj.getClassName(); |
aoqi@0 | 309 | } |
aoqi@0 | 310 | |
aoqi@0 | 311 | @Override |
aoqi@0 | 312 | public boolean isFunction() { |
aoqi@0 | 313 | return sobj instanceof ScriptFunction; |
aoqi@0 | 314 | } |
aoqi@0 | 315 | |
aoqi@0 | 316 | @Override |
aoqi@0 | 317 | public boolean isStrictFunction() { |
aoqi@0 | 318 | return isFunction() && ((ScriptFunction)sobj).isStrict(); |
aoqi@0 | 319 | } |
aoqi@0 | 320 | |
aoqi@0 | 321 | @Override |
aoqi@0 | 322 | public boolean isArray() { |
aoqi@0 | 323 | return sobj.isArray(); |
aoqi@0 | 324 | } |
aoqi@0 | 325 | |
aoqi@0 | 326 | // javax.script.Bindings methods |
aoqi@0 | 327 | |
aoqi@0 | 328 | @Override |
aoqi@0 | 329 | public void clear() { |
aoqi@0 | 330 | inGlobal(new Callable<Object>() { |
aoqi@0 | 331 | @Override public Object call() { |
aoqi@0 | 332 | sobj.clear(strict); |
aoqi@0 | 333 | return null; |
aoqi@0 | 334 | } |
aoqi@0 | 335 | }); |
aoqi@0 | 336 | } |
aoqi@0 | 337 | |
aoqi@0 | 338 | @Override |
aoqi@0 | 339 | public boolean containsKey(final Object key) { |
aoqi@0 | 340 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 341 | @Override public Boolean call() { |
aoqi@0 | 342 | return sobj.containsKey(unwrap(key, global)); |
aoqi@0 | 343 | } |
aoqi@0 | 344 | }); |
aoqi@0 | 345 | } |
aoqi@0 | 346 | |
aoqi@0 | 347 | @Override |
aoqi@0 | 348 | public boolean containsValue(final Object value) { |
aoqi@0 | 349 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 350 | @Override public Boolean call() { |
aoqi@0 | 351 | return sobj.containsValue(unwrap(value, global)); |
aoqi@0 | 352 | } |
aoqi@0 | 353 | }); |
aoqi@0 | 354 | } |
aoqi@0 | 355 | |
aoqi@0 | 356 | @Override |
aoqi@0 | 357 | public Set<Map.Entry<String, Object>> entrySet() { |
aoqi@0 | 358 | return inGlobal(new Callable<Set<Map.Entry<String, Object>>>() { |
aoqi@0 | 359 | @Override public Set<Map.Entry<String, Object>> call() { |
aoqi@0 | 360 | final Iterator<String> iter = sobj.propertyIterator(); |
aoqi@0 | 361 | final Set<Map.Entry<String, Object>> entries = new LinkedHashSet<>(); |
aoqi@0 | 362 | |
aoqi@0 | 363 | while (iter.hasNext()) { |
aoqi@0 | 364 | final String key = iter.next(); |
aoqi@0 | 365 | final Object value = translateUndefined(wrap(sobj.get(key), global)); |
aoqi@0 | 366 | entries.add(new AbstractMap.SimpleImmutableEntry<>(key, value)); |
aoqi@0 | 367 | } |
aoqi@0 | 368 | |
aoqi@0 | 369 | return Collections.unmodifiableSet(entries); |
aoqi@0 | 370 | } |
aoqi@0 | 371 | }); |
aoqi@0 | 372 | } |
aoqi@0 | 373 | |
aoqi@0 | 374 | @Override |
aoqi@0 | 375 | public Object get(final Object key) { |
aoqi@0 | 376 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 377 | @Override public Object call() { |
aoqi@0 | 378 | return translateUndefined(wrap(sobj.get(key), global)); |
aoqi@0 | 379 | } |
aoqi@0 | 380 | }); |
aoqi@0 | 381 | } |
aoqi@0 | 382 | |
aoqi@0 | 383 | @Override |
aoqi@0 | 384 | public boolean isEmpty() { |
aoqi@0 | 385 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 386 | @Override public Boolean call() { |
aoqi@0 | 387 | return sobj.isEmpty(); |
aoqi@0 | 388 | } |
aoqi@0 | 389 | }); |
aoqi@0 | 390 | } |
aoqi@0 | 391 | |
aoqi@0 | 392 | @Override |
aoqi@0 | 393 | public Set<String> keySet() { |
aoqi@0 | 394 | return inGlobal(new Callable<Set<String>>() { |
aoqi@0 | 395 | @Override public Set<String> call() { |
aoqi@0 | 396 | final Iterator<String> iter = sobj.propertyIterator(); |
aoqi@0 | 397 | final Set<String> keySet = new LinkedHashSet<>(); |
aoqi@0 | 398 | |
aoqi@0 | 399 | while (iter.hasNext()) { |
aoqi@0 | 400 | keySet.add(iter.next()); |
aoqi@0 | 401 | } |
aoqi@0 | 402 | |
aoqi@0 | 403 | return Collections.unmodifiableSet(keySet); |
aoqi@0 | 404 | } |
aoqi@0 | 405 | }); |
aoqi@0 | 406 | } |
aoqi@0 | 407 | |
aoqi@0 | 408 | @Override |
aoqi@0 | 409 | public Object put(final String key, final Object value) { |
aoqi@0 | 410 | final ScriptObject oldGlobal = Context.getGlobal(); |
aoqi@0 | 411 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 412 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 413 | @Override public Object call() { |
aoqi@0 | 414 | final Object modValue = globalChanged? wrap(value, oldGlobal) : value; |
aoqi@0 | 415 | return translateUndefined(wrap(sobj.put(key, unwrap(modValue, global), strict), global)); |
aoqi@0 | 416 | } |
aoqi@0 | 417 | }); |
aoqi@0 | 418 | } |
aoqi@0 | 419 | |
aoqi@0 | 420 | @Override |
aoqi@0 | 421 | public void putAll(final Map<? extends String, ? extends Object> map) { |
aoqi@0 | 422 | final ScriptObject oldGlobal = Context.getGlobal(); |
aoqi@0 | 423 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 424 | inGlobal(new Callable<Object>() { |
aoqi@0 | 425 | @Override public Object call() { |
aoqi@0 | 426 | for (final Map.Entry<? extends String, ? extends Object> entry : map.entrySet()) { |
aoqi@0 | 427 | final Object value = entry.getValue(); |
aoqi@0 | 428 | final Object modValue = globalChanged? wrap(value, oldGlobal) : value; |
hannesw@1020 | 429 | sobj.set(entry.getKey(), unwrap(modValue, global), getCallSiteFlags()); |
aoqi@0 | 430 | } |
aoqi@0 | 431 | return null; |
aoqi@0 | 432 | } |
aoqi@0 | 433 | }); |
aoqi@0 | 434 | } |
aoqi@0 | 435 | |
aoqi@0 | 436 | @Override |
aoqi@0 | 437 | public Object remove(final Object key) { |
aoqi@0 | 438 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 439 | @Override public Object call() { |
aoqi@0 | 440 | return wrap(sobj.remove(unwrap(key, global), strict), global); |
aoqi@0 | 441 | } |
aoqi@0 | 442 | }); |
aoqi@0 | 443 | } |
aoqi@0 | 444 | |
aoqi@0 | 445 | /** |
aoqi@0 | 446 | * Delete a property from this object. |
aoqi@0 | 447 | * |
aoqi@0 | 448 | * @param key the property to be deleted |
aoqi@0 | 449 | * |
aoqi@0 | 450 | * @return if the delete was successful or not |
aoqi@0 | 451 | */ |
aoqi@0 | 452 | public boolean delete(final Object key) { |
aoqi@0 | 453 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 454 | @Override public Boolean call() { |
aoqi@0 | 455 | return sobj.delete(unwrap(key, global), strict); |
aoqi@0 | 456 | } |
aoqi@0 | 457 | }); |
aoqi@0 | 458 | } |
aoqi@0 | 459 | |
aoqi@0 | 460 | @Override |
aoqi@0 | 461 | public int size() { |
aoqi@0 | 462 | return inGlobal(new Callable<Integer>() { |
aoqi@0 | 463 | @Override public Integer call() { |
aoqi@0 | 464 | return sobj.size(); |
aoqi@0 | 465 | } |
aoqi@0 | 466 | }); |
aoqi@0 | 467 | } |
aoqi@0 | 468 | |
aoqi@0 | 469 | @Override |
aoqi@0 | 470 | public Collection<Object> values() { |
aoqi@0 | 471 | return inGlobal(new Callable<Collection<Object>>() { |
aoqi@0 | 472 | @Override public Collection<Object> call() { |
aoqi@0 | 473 | final List<Object> values = new ArrayList<>(size()); |
aoqi@0 | 474 | final Iterator<Object> iter = sobj.valueIterator(); |
aoqi@0 | 475 | |
aoqi@0 | 476 | while (iter.hasNext()) { |
aoqi@0 | 477 | values.add(translateUndefined(wrap(iter.next(), global))); |
aoqi@0 | 478 | } |
aoqi@0 | 479 | |
aoqi@0 | 480 | return Collections.unmodifiableList(values); |
aoqi@0 | 481 | } |
aoqi@0 | 482 | }); |
aoqi@0 | 483 | } |
aoqi@0 | 484 | |
aoqi@0 | 485 | // Support for ECMAScript Object API on mirrors |
aoqi@0 | 486 | |
aoqi@0 | 487 | /** |
aoqi@0 | 488 | * Return the __proto__ of this object. |
aoqi@0 | 489 | * @return __proto__ object. |
aoqi@0 | 490 | */ |
aoqi@0 | 491 | public Object getProto() { |
aoqi@0 | 492 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 493 | @Override public Object call() { |
aoqi@0 | 494 | return wrap(sobj.getProto(), global); |
aoqi@0 | 495 | } |
aoqi@0 | 496 | }); |
aoqi@0 | 497 | } |
aoqi@0 | 498 | |
aoqi@0 | 499 | /** |
aoqi@0 | 500 | * Set the __proto__ of this object. |
aoqi@0 | 501 | * @param proto new proto for this object |
aoqi@0 | 502 | */ |
aoqi@0 | 503 | public void setProto(final Object proto) { |
aoqi@0 | 504 | inGlobal(new Callable<Void>() { |
aoqi@0 | 505 | @Override public Void call() { |
aoqi@0 | 506 | sobj.setPrototypeOf(unwrap(proto, global)); |
aoqi@0 | 507 | return null; |
aoqi@0 | 508 | } |
aoqi@0 | 509 | }); |
aoqi@0 | 510 | } |
aoqi@0 | 511 | |
aoqi@0 | 512 | /** |
aoqi@0 | 513 | * ECMA 8.12.1 [[GetOwnProperty]] (P) |
aoqi@0 | 514 | * |
aoqi@0 | 515 | * @param key property key |
aoqi@0 | 516 | * |
aoqi@0 | 517 | * @return Returns the Property Descriptor of the named own property of this |
aoqi@0 | 518 | * object, or undefined if absent. |
aoqi@0 | 519 | */ |
aoqi@0 | 520 | public Object getOwnPropertyDescriptor(final String key) { |
aoqi@0 | 521 | return inGlobal(new Callable<Object>() { |
aoqi@0 | 522 | @Override public Object call() { |
aoqi@0 | 523 | return wrap(sobj.getOwnPropertyDescriptor(key), global); |
aoqi@0 | 524 | } |
aoqi@0 | 525 | }); |
aoqi@0 | 526 | } |
aoqi@0 | 527 | |
aoqi@0 | 528 | /** |
aoqi@0 | 529 | * return an array of own property keys associated with the object. |
aoqi@0 | 530 | * |
aoqi@0 | 531 | * @param all True if to include non-enumerable keys. |
aoqi@0 | 532 | * @return Array of keys. |
aoqi@0 | 533 | */ |
aoqi@0 | 534 | public String[] getOwnKeys(final boolean all) { |
aoqi@0 | 535 | return inGlobal(new Callable<String[]>() { |
aoqi@0 | 536 | @Override public String[] call() { |
aoqi@0 | 537 | return sobj.getOwnKeys(all); |
aoqi@0 | 538 | } |
aoqi@0 | 539 | }); |
aoqi@0 | 540 | } |
aoqi@0 | 541 | |
aoqi@0 | 542 | /** |
aoqi@0 | 543 | * Flag this script object as non extensible |
aoqi@0 | 544 | * |
aoqi@0 | 545 | * @return the object after being made non extensible |
aoqi@0 | 546 | */ |
aoqi@0 | 547 | public ScriptObjectMirror preventExtensions() { |
aoqi@0 | 548 | return inGlobal(new Callable<ScriptObjectMirror>() { |
aoqi@0 | 549 | @Override public ScriptObjectMirror call() { |
aoqi@0 | 550 | sobj.preventExtensions(); |
aoqi@0 | 551 | return ScriptObjectMirror.this; |
aoqi@0 | 552 | } |
aoqi@0 | 553 | }); |
aoqi@0 | 554 | } |
aoqi@0 | 555 | |
aoqi@0 | 556 | /** |
aoqi@0 | 557 | * Check if this script object is extensible |
aoqi@0 | 558 | * @return true if extensible |
aoqi@0 | 559 | */ |
aoqi@0 | 560 | public boolean isExtensible() { |
aoqi@0 | 561 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 562 | @Override public Boolean call() { |
aoqi@0 | 563 | return sobj.isExtensible(); |
aoqi@0 | 564 | } |
aoqi@0 | 565 | }); |
aoqi@0 | 566 | } |
aoqi@0 | 567 | |
aoqi@0 | 568 | /** |
aoqi@0 | 569 | * ECMAScript 15.2.3.8 - seal implementation |
aoqi@0 | 570 | * @return the sealed script object |
aoqi@0 | 571 | */ |
aoqi@0 | 572 | public ScriptObjectMirror seal() { |
aoqi@0 | 573 | return inGlobal(new Callable<ScriptObjectMirror>() { |
aoqi@0 | 574 | @Override public ScriptObjectMirror call() { |
aoqi@0 | 575 | sobj.seal(); |
aoqi@0 | 576 | return ScriptObjectMirror.this; |
aoqi@0 | 577 | } |
aoqi@0 | 578 | }); |
aoqi@0 | 579 | } |
aoqi@0 | 580 | |
aoqi@0 | 581 | /** |
aoqi@0 | 582 | * Check whether this script object is sealed |
aoqi@0 | 583 | * @return true if sealed |
aoqi@0 | 584 | */ |
aoqi@0 | 585 | public boolean isSealed() { |
aoqi@0 | 586 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 587 | @Override public Boolean call() { |
aoqi@0 | 588 | return sobj.isSealed(); |
aoqi@0 | 589 | } |
aoqi@0 | 590 | }); |
aoqi@0 | 591 | } |
aoqi@0 | 592 | |
aoqi@0 | 593 | /** |
aoqi@0 | 594 | * ECMA 15.2.39 - freeze implementation. Freeze this script object |
aoqi@0 | 595 | * @return the frozen script object |
aoqi@0 | 596 | */ |
aoqi@0 | 597 | public ScriptObjectMirror freeze() { |
aoqi@0 | 598 | return inGlobal(new Callable<ScriptObjectMirror>() { |
aoqi@0 | 599 | @Override public ScriptObjectMirror call() { |
aoqi@0 | 600 | sobj.freeze(); |
aoqi@0 | 601 | return ScriptObjectMirror.this; |
aoqi@0 | 602 | } |
aoqi@0 | 603 | }); |
aoqi@0 | 604 | } |
aoqi@0 | 605 | |
aoqi@0 | 606 | /** |
aoqi@0 | 607 | * Check whether this script object is frozen |
aoqi@0 | 608 | * @return true if frozen |
aoqi@0 | 609 | */ |
aoqi@0 | 610 | public boolean isFrozen() { |
aoqi@0 | 611 | return inGlobal(new Callable<Boolean>() { |
aoqi@0 | 612 | @Override public Boolean call() { |
aoqi@0 | 613 | return sobj.isFrozen(); |
aoqi@0 | 614 | } |
aoqi@0 | 615 | }); |
aoqi@0 | 616 | } |
aoqi@0 | 617 | |
aoqi@0 | 618 | /** |
aoqi@0 | 619 | * Utility to check if given object is ECMAScript undefined value |
aoqi@0 | 620 | * |
aoqi@0 | 621 | * @param obj object to check |
aoqi@0 | 622 | * @return true if 'obj' is ECMAScript undefined value |
aoqi@0 | 623 | */ |
aoqi@0 | 624 | public static boolean isUndefined(final Object obj) { |
aoqi@0 | 625 | return obj == ScriptRuntime.UNDEFINED; |
aoqi@0 | 626 | } |
aoqi@0 | 627 | |
aoqi@0 | 628 | /** |
aoqi@0 | 629 | * Utilitity to convert this script object to the given type. |
aoqi@0 | 630 | * |
aoqi@0 | 631 | * @param <T> destination type to convert to |
aoqi@0 | 632 | * @param type destination type to convert to |
aoqi@0 | 633 | * @return converted object |
aoqi@0 | 634 | */ |
aoqi@0 | 635 | public <T> T to(final Class<T> type) { |
aoqi@0 | 636 | return inGlobal(new Callable<T>() { |
aoqi@0 | 637 | @Override |
aoqi@0 | 638 | public T call() { |
aoqi@0 | 639 | return type.cast(ScriptUtils.convert(sobj, type)); |
aoqi@0 | 640 | } |
aoqi@0 | 641 | }); |
aoqi@0 | 642 | } |
aoqi@0 | 643 | |
aoqi@0 | 644 | /** |
aoqi@0 | 645 | * Make a script object mirror on given object if needed. Also converts ConsString instances to Strings. |
aoqi@0 | 646 | * |
aoqi@0 | 647 | * @param obj object to be wrapped/converted |
aoqi@0 | 648 | * @param homeGlobal global to which this object belongs. Not used for ConsStrings. |
aoqi@0 | 649 | * @return wrapped/converted object |
aoqi@0 | 650 | */ |
aoqi@0 | 651 | public static Object wrap(final Object obj, final Object homeGlobal) { |
aoqi@0 | 652 | if(obj instanceof ScriptObject) { |
aoqi@0 | 653 | return homeGlobal instanceof Global ? new ScriptObjectMirror((ScriptObject)obj, (Global)homeGlobal) : obj; |
aoqi@0 | 654 | } |
aoqi@0 | 655 | if(obj instanceof ConsString) { |
aoqi@0 | 656 | return obj.toString(); |
aoqi@0 | 657 | } |
aoqi@0 | 658 | return obj; |
aoqi@0 | 659 | } |
aoqi@0 | 660 | |
aoqi@0 | 661 | /** |
aoqi@0 | 662 | * Unwrap a script object mirror if needed. |
aoqi@0 | 663 | * |
aoqi@0 | 664 | * @param obj object to be unwrapped |
aoqi@0 | 665 | * @param homeGlobal global to which this object belongs |
aoqi@0 | 666 | * @return unwrapped object |
aoqi@0 | 667 | */ |
aoqi@0 | 668 | public static Object unwrap(final Object obj, final Object homeGlobal) { |
aoqi@0 | 669 | if (obj instanceof ScriptObjectMirror) { |
aoqi@0 | 670 | final ScriptObjectMirror mirror = (ScriptObjectMirror)obj; |
aoqi@0 | 671 | return (mirror.global == homeGlobal)? mirror.sobj : obj; |
aoqi@0 | 672 | } |
aoqi@0 | 673 | |
aoqi@0 | 674 | return obj; |
aoqi@0 | 675 | } |
aoqi@0 | 676 | |
aoqi@0 | 677 | /** |
aoqi@0 | 678 | * Wrap an array of object to script object mirrors if needed. |
aoqi@0 | 679 | * |
aoqi@0 | 680 | * @param args array to be unwrapped |
aoqi@0 | 681 | * @param homeGlobal global to which this object belongs |
aoqi@0 | 682 | * @return wrapped array |
aoqi@0 | 683 | */ |
aoqi@0 | 684 | public static Object[] wrapArray(final Object[] args, final Object homeGlobal) { |
aoqi@0 | 685 | if (args == null || args.length == 0) { |
aoqi@0 | 686 | return args; |
aoqi@0 | 687 | } |
aoqi@0 | 688 | |
aoqi@0 | 689 | final Object[] newArgs = new Object[args.length]; |
aoqi@0 | 690 | int index = 0; |
aoqi@0 | 691 | for (final Object obj : args) { |
aoqi@0 | 692 | newArgs[index] = wrap(obj, homeGlobal); |
aoqi@0 | 693 | index++; |
aoqi@0 | 694 | } |
aoqi@0 | 695 | return newArgs; |
aoqi@0 | 696 | } |
aoqi@0 | 697 | |
aoqi@0 | 698 | /** |
aoqi@0 | 699 | * Unwrap an array of script object mirrors if needed. |
aoqi@0 | 700 | * |
aoqi@0 | 701 | * @param args array to be unwrapped |
aoqi@0 | 702 | * @param homeGlobal global to which this object belongs |
aoqi@0 | 703 | * @return unwrapped array |
aoqi@0 | 704 | */ |
aoqi@0 | 705 | public static Object[] unwrapArray(final Object[] args, final Object homeGlobal) { |
aoqi@0 | 706 | if (args == null || args.length == 0) { |
aoqi@0 | 707 | return args; |
aoqi@0 | 708 | } |
aoqi@0 | 709 | |
aoqi@0 | 710 | final Object[] newArgs = new Object[args.length]; |
aoqi@0 | 711 | int index = 0; |
aoqi@0 | 712 | for (final Object obj : args) { |
aoqi@0 | 713 | newArgs[index] = unwrap(obj, homeGlobal); |
aoqi@0 | 714 | index++; |
aoqi@0 | 715 | } |
aoqi@0 | 716 | return newArgs; |
aoqi@0 | 717 | } |
aoqi@0 | 718 | |
attila@963 | 719 | /** |
attila@963 | 720 | * Are the given objects mirrors to same underlying object? |
attila@963 | 721 | * |
attila@963 | 722 | * @param obj1 first object |
attila@963 | 723 | * @param obj2 second object |
attila@963 | 724 | * @return true if obj1 and obj2 are identical script objects or mirrors of it. |
attila@963 | 725 | */ |
attila@963 | 726 | public static boolean identical(final Object obj1, final Object obj2) { |
attila@963 | 727 | final Object o1 = (obj1 instanceof ScriptObjectMirror)? |
attila@963 | 728 | ((ScriptObjectMirror)obj1).sobj : obj1; |
attila@963 | 729 | |
attila@963 | 730 | final Object o2 = (obj2 instanceof ScriptObjectMirror)? |
attila@963 | 731 | ((ScriptObjectMirror)obj2).sobj : obj2; |
attila@963 | 732 | |
attila@963 | 733 | return o1 == o2; |
attila@963 | 734 | } |
attila@963 | 735 | |
aoqi@0 | 736 | // package-privates below this. |
aoqi@0 | 737 | |
aoqi@0 | 738 | ScriptObjectMirror(final ScriptObject sobj, final Global global) { |
aoqi@0 | 739 | assert sobj != null : "ScriptObjectMirror on null!"; |
aoqi@0 | 740 | assert global != null : "home Global is null"; |
aoqi@0 | 741 | |
aoqi@0 | 742 | this.sobj = sobj; |
aoqi@0 | 743 | this.global = global; |
aoqi@0 | 744 | this.strict = global.isStrictContext(); |
aoqi@0 | 745 | } |
aoqi@0 | 746 | |
aoqi@0 | 747 | // accessors for script engine |
aoqi@0 | 748 | ScriptObject getScriptObject() { |
aoqi@0 | 749 | return sobj; |
aoqi@0 | 750 | } |
aoqi@0 | 751 | |
aoqi@0 | 752 | Global getHomeGlobal() { |
aoqi@0 | 753 | return global; |
aoqi@0 | 754 | } |
aoqi@0 | 755 | |
attila@962 | 756 | static Object translateUndefined(final Object obj) { |
aoqi@0 | 757 | return (obj == ScriptRuntime.UNDEFINED)? null : obj; |
aoqi@0 | 758 | } |
aoqi@0 | 759 | |
hannesw@1020 | 760 | private int getCallSiteFlags() { |
hannesw@1020 | 761 | return strict ? NashornCallSiteDescriptor.CALLSITE_STRICT : 0; |
hannesw@1020 | 762 | } |
hannesw@1020 | 763 | |
aoqi@0 | 764 | // internals only below this. |
aoqi@0 | 765 | private <V> V inGlobal(final Callable<V> callable) { |
aoqi@0 | 766 | final Global oldGlobal = Context.getGlobal(); |
aoqi@0 | 767 | final boolean globalChanged = (oldGlobal != global); |
aoqi@0 | 768 | if (globalChanged) { |
aoqi@0 | 769 | Context.setGlobal(global); |
aoqi@0 | 770 | } |
aoqi@0 | 771 | try { |
aoqi@0 | 772 | return callable.call(); |
aoqi@0 | 773 | } catch (final NashornException ne) { |
aoqi@0 | 774 | throw ne.initEcmaError(global); |
aoqi@0 | 775 | } catch (final RuntimeException e) { |
aoqi@0 | 776 | throw e; |
aoqi@0 | 777 | } catch (final Exception e) { |
aoqi@0 | 778 | throw new AssertionError("Cannot happen", e); |
aoqi@0 | 779 | } finally { |
aoqi@0 | 780 | if (globalChanged) { |
aoqi@0 | 781 | Context.setGlobal(oldGlobal); |
aoqi@0 | 782 | } |
aoqi@0 | 783 | } |
aoqi@0 | 784 | } |
aoqi@0 | 785 | |
aoqi@0 | 786 | @Override |
aoqi@0 | 787 | public double toNumber() { |
aoqi@0 | 788 | return inGlobal(new Callable<Double>() { |
aoqi@0 | 789 | @Override public Double call() { |
aoqi@0 | 790 | return JSType.toNumber(sobj); |
aoqi@0 | 791 | } |
aoqi@0 | 792 | }); |
aoqi@0 | 793 | } |
aoqi@0 | 794 | } |