54 Accessors(final Object getter, final Object setter) {
55 set(getter, setter);
56 }
57
58 final void set(final Object getter, final Object setter) {
59 this.getter = getter;
60 this.setter = setter;
61 }
62
63 @Override
64 public String toString() {
65 return "[getter=" + getter + " setter=" + setter + ']';
66 }
67 }
68
69 private static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
70
71 /** Getter method handle */
72 private final static MethodHandle INVOKE_OBJECT_GETTER = findOwnMH_S("invokeObjectGetter", Object.class, Accessors.class, MethodHandle.class, Object.class);
73 private final static MethodHandle INVOKE_INT_GETTER = findOwnMH_S("invokeIntGetter", int.class, Accessors.class, MethodHandle.class, int.class, Object.class);
74 private final static MethodHandle INVOKE_LONG_GETTER = findOwnMH_S("invokeLongGetter", long.class, Accessors.class, MethodHandle.class, int.class, Object.class);
75 private final static MethodHandle INVOKE_NUMBER_GETTER = findOwnMH_S("invokeNumberGetter", double.class, Accessors.class, MethodHandle.class, int.class, Object.class);
76
77 /** Setter method handle */
78 private final static MethodHandle INVOKE_OBJECT_SETTER = findOwnMH_S("invokeObjectSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, Object.class);
79 private final static MethodHandle INVOKE_INT_SETTER = findOwnMH_S("invokeIntSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, int.class);
80 private final static MethodHandle INVOKE_LONG_SETTER = findOwnMH_S("invokeLongSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, long.class);
81 private final static MethodHandle INVOKE_NUMBER_SETTER = findOwnMH_S("invokeNumberSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, double.class);
82
83 private static final Object OBJECT_GETTER_INVOKER_KEY = new Object();
84 private static MethodHandle getObjectGetterInvoker() {
85 return Context.getGlobal().getDynamicInvoker(OBJECT_GETTER_INVOKER_KEY, new Callable<MethodHandle>() {
86 @Override
87 public MethodHandle call() throws Exception {
88 return getINVOKE_UA_GETTER(Object.class, INVALID_PROGRAM_POINT);
89 }
90 });
91 }
92
93 static MethodHandle getINVOKE_UA_GETTER(final Class<?> returnType, final int programPoint) {
94 if (UnwarrantedOptimismException.isValid(programPoint)) {
95 final int flags = NashornCallSiteDescriptor.CALLSITE_OPTIMISTIC | programPoint << CALLSITE_PROGRAM_POINT_SHIFT;
96 return Bootstrap.createDynamicInvoker("dyn:call", flags, returnType, Object.class, Object.class);
97 } else {
98 return Bootstrap.createDynamicInvoker("dyn:call", Object.class, Object.class, Object.class);
99 }
100 }
171 protected Class<?> getLocalType() {
172 return Object.class;
173 }
174
175 @Override
176 public boolean hasGetterFunction(final ScriptObject sobj) {
177 return getAccessors(sobj).getter != null;
178 }
179
180 @Override
181 public boolean hasSetterFunction(final ScriptObject sobj) {
182 return getAccessors(sobj).setter != null;
183 }
184
185 @Override
186 public int getIntValue(final ScriptObject self, final ScriptObject owner) {
187 return (int)getObjectValue(self, owner);
188 }
189
190 @Override
191 public long getLongValue(final ScriptObject self, final ScriptObject owner) {
192 return (long)getObjectValue(self, owner);
193 }
194
195 @Override
196 public double getDoubleValue(final ScriptObject self, final ScriptObject owner) {
197 return (double)getObjectValue(self, owner);
198 }
199
200 @Override
201 public Object getObjectValue(final ScriptObject self, final ScriptObject owner) {
202 try {
203 return invokeObjectGetter(getAccessors((owner != null) ? owner : self), getObjectGetterInvoker(), self);
204 } catch (final Error | RuntimeException t) {
205 throw t;
206 } catch (final Throwable t) {
207 throw new RuntimeException(t);
208 }
209 }
210
211 @Override
212 public void setValue(final ScriptObject self, final ScriptObject owner, final int value, final boolean strict) {
213 setValue(self, owner, (Object) value, strict);
214 }
215
216 @Override
217 public void setValue(final ScriptObject self, final ScriptObject owner, final long value, final boolean strict) {
218 setValue(self, owner, (Object) value, strict);
219 }
220
221 @Override
222 public void setValue(final ScriptObject self, final ScriptObject owner, final double value, final boolean strict) {
223 setValue(self, owner, (Object) value, strict);
224 }
225
226 @Override
227 public void setValue(final ScriptObject self, final ScriptObject owner, final Object value, final boolean strict) {
228 try {
229 invokeObjectSetter(getAccessors((owner != null) ? owner : self), getObjectSetterInvoker(), strict ? getKey() : null, self, value);
230 } catch (final Error | RuntimeException t) {
231 throw t;
232 } catch (final Throwable t) {
233 throw new RuntimeException(t);
234 }
235 }
236
237 @Override
238 public MethodHandle getGetter(final Class<?> type) {
239 //this returns a getter on the format (Accessors, Object receiver)
240 return Lookup.filterReturnType(INVOKE_OBJECT_GETTER, type);
241 }
242
243 @Override
244 public MethodHandle getOptimisticGetter(final Class<?> type, final int programPoint) {
245 if (type == int.class) {
246 return INVOKE_INT_GETTER;
247 } else if (type == long.class) {
248 return INVOKE_LONG_GETTER;
249 } else if (type == double.class) {
250 return INVOKE_NUMBER_GETTER;
251 } else {
252 assert type == Object.class;
253 return INVOKE_OBJECT_GETTER;
254 }
255 }
256
257 @Override
258 void initMethodHandles(final Class<?> structure) {
259 throw new UnsupportedOperationException();
260 }
261
262 @Override
263 public ScriptFunction getGetterFunction(final ScriptObject sobj) {
264 final Object value = getAccessors(sobj).getter;
265 return (value instanceof ScriptFunction) ? (ScriptFunction)value : null;
266 }
267
268 @Override
269 public MethodHandle getSetter(final Class<?> type, final PropertyMap currentMap) {
270 if (type == int.class) {
271 return INVOKE_INT_SETTER;
272 } else if (type == long.class) {
273 return INVOKE_LONG_SETTER;
274 } else if (type == double.class) {
275 return INVOKE_NUMBER_SETTER;
276 } else {
277 assert type == Object.class;
278 return INVOKE_OBJECT_SETTER;
279 }
280 }
281
282 @Override
283 public ScriptFunction getSetterFunction(final ScriptObject sobj) {
284 final Object value = getAccessors(sobj).setter;
285 return (value instanceof ScriptFunction) ? (ScriptFunction)value : null;
286 }
287
288 /**
289 * Get the getter for the {@code Accessors} object.
290 * This is the the super {@code Object} type getter with {@code Accessors} return type.
291 *
292 * @return The getter handle for the Accessors
293 */
303 private static Object invokeObjectGetter(final Accessors gs, final MethodHandle invoker, final Object self) throws Throwable {
304 final Object func = gs.getter;
305 if (func instanceof ScriptFunction) {
306 return invoker.invokeExact(func, self);
307 }
308
309 return UNDEFINED;
310 }
311
312 @SuppressWarnings("unused")
313 private static int invokeIntGetter(final Accessors gs, final MethodHandle invoker, final int programPoint, final Object self) throws Throwable {
314 final Object func = gs.getter;
315 if (func instanceof ScriptFunction) {
316 return (int) invoker.invokeExact(func, self);
317 }
318
319 throw new UnwarrantedOptimismException(UNDEFINED, programPoint);
320 }
321
322 @SuppressWarnings("unused")
323 private static long invokeLongGetter(final Accessors gs, final MethodHandle invoker, final int programPoint, final Object self) throws Throwable {
324 final Object func = gs.getter;
325 if (func instanceof ScriptFunction) {
326 return (long) invoker.invokeExact(func, self);
327 }
328
329 throw new UnwarrantedOptimismException(UNDEFINED, programPoint);
330 }
331
332 @SuppressWarnings("unused")
333 private static double invokeNumberGetter(final Accessors gs, final MethodHandle invoker, final int programPoint, final Object self) throws Throwable {
334 final Object func = gs.getter;
335 if (func instanceof ScriptFunction) {
336 return (double) invoker.invokeExact(func, self);
337 }
338
339 throw new UnwarrantedOptimismException(UNDEFINED, programPoint);
340 }
341
342 @SuppressWarnings("unused")
343 private static void invokeObjectSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final Object value) throws Throwable {
344 final Object func = gs.setter;
345 if (func instanceof ScriptFunction) {
346 invoker.invokeExact(func, self, value);
347 } else if (name != null) {
348 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
349 }
350 }
351
352 @SuppressWarnings("unused")
353 private static void invokeIntSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final int value) throws Throwable {
354 final Object func = gs.setter;
355 if (func instanceof ScriptFunction) {
356 invoker.invokeExact(func, self, value);
357 } else if (name != null) {
358 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
359 }
360 }
361
362 @SuppressWarnings("unused")
363 private static void invokeLongSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final long value) throws Throwable {
364 final Object func = gs.setter;
365 if (func instanceof ScriptFunction) {
366 invoker.invokeExact(func, self, value);
367 } else if (name != null) {
368 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
369 }
370 }
371
372 @SuppressWarnings("unused")
373 private static void invokeNumberSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final double value) throws Throwable {
374 final Object func = gs.setter;
375 if (func instanceof ScriptFunction) {
376 invoker.invokeExact(func, self, value);
377 } else if (name != null) {
378 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
379 }
380 }
381
382 private static MethodHandle findOwnMH_S(final String name, final Class<?> rtype, final Class<?>... types) {
383 return MH.findStatic(LOOKUP, UserAccessorProperty.class, name, MH.type(rtype, types));
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54 Accessors(final Object getter, final Object setter) {
55 set(getter, setter);
56 }
57
58 final void set(final Object getter, final Object setter) {
59 this.getter = getter;
60 this.setter = setter;
61 }
62
63 @Override
64 public String toString() {
65 return "[getter=" + getter + " setter=" + setter + ']';
66 }
67 }
68
69 private static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
70
71 /** Getter method handle */
72 private final static MethodHandle INVOKE_OBJECT_GETTER = findOwnMH_S("invokeObjectGetter", Object.class, Accessors.class, MethodHandle.class, Object.class);
73 private final static MethodHandle INVOKE_INT_GETTER = findOwnMH_S("invokeIntGetter", int.class, Accessors.class, MethodHandle.class, int.class, Object.class);
74 private final static MethodHandle INVOKE_NUMBER_GETTER = findOwnMH_S("invokeNumberGetter", double.class, Accessors.class, MethodHandle.class, int.class, Object.class);
75
76 /** Setter method handle */
77 private final static MethodHandle INVOKE_OBJECT_SETTER = findOwnMH_S("invokeObjectSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, Object.class);
78 private final static MethodHandle INVOKE_INT_SETTER = findOwnMH_S("invokeIntSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, int.class);
79 private final static MethodHandle INVOKE_NUMBER_SETTER = findOwnMH_S("invokeNumberSetter", void.class, Accessors.class, MethodHandle.class, String.class, Object.class, double.class);
80
81 private static final Object OBJECT_GETTER_INVOKER_KEY = new Object();
82 private static MethodHandle getObjectGetterInvoker() {
83 return Context.getGlobal().getDynamicInvoker(OBJECT_GETTER_INVOKER_KEY, new Callable<MethodHandle>() {
84 @Override
85 public MethodHandle call() throws Exception {
86 return getINVOKE_UA_GETTER(Object.class, INVALID_PROGRAM_POINT);
87 }
88 });
89 }
90
91 static MethodHandle getINVOKE_UA_GETTER(final Class<?> returnType, final int programPoint) {
92 if (UnwarrantedOptimismException.isValid(programPoint)) {
93 final int flags = NashornCallSiteDescriptor.CALLSITE_OPTIMISTIC | programPoint << CALLSITE_PROGRAM_POINT_SHIFT;
94 return Bootstrap.createDynamicInvoker("dyn:call", flags, returnType, Object.class, Object.class);
95 } else {
96 return Bootstrap.createDynamicInvoker("dyn:call", Object.class, Object.class, Object.class);
97 }
98 }
169 protected Class<?> getLocalType() {
170 return Object.class;
171 }
172
173 @Override
174 public boolean hasGetterFunction(final ScriptObject sobj) {
175 return getAccessors(sobj).getter != null;
176 }
177
178 @Override
179 public boolean hasSetterFunction(final ScriptObject sobj) {
180 return getAccessors(sobj).setter != null;
181 }
182
183 @Override
184 public int getIntValue(final ScriptObject self, final ScriptObject owner) {
185 return (int)getObjectValue(self, owner);
186 }
187
188 @Override
189 public double getDoubleValue(final ScriptObject self, final ScriptObject owner) {
190 return (double)getObjectValue(self, owner);
191 }
192
193 @Override
194 public Object getObjectValue(final ScriptObject self, final ScriptObject owner) {
195 try {
196 return invokeObjectGetter(getAccessors((owner != null) ? owner : self), getObjectGetterInvoker(), self);
197 } catch (final Error | RuntimeException t) {
198 throw t;
199 } catch (final Throwable t) {
200 throw new RuntimeException(t);
201 }
202 }
203
204 @Override
205 public void setValue(final ScriptObject self, final ScriptObject owner, final int value, final boolean strict) {
206 setValue(self, owner, (Object) value, strict);
207 }
208
209 @Override
210 public void setValue(final ScriptObject self, final ScriptObject owner, final double value, final boolean strict) {
211 setValue(self, owner, (Object) value, strict);
212 }
213
214 @Override
215 public void setValue(final ScriptObject self, final ScriptObject owner, final Object value, final boolean strict) {
216 try {
217 invokeObjectSetter(getAccessors((owner != null) ? owner : self), getObjectSetterInvoker(), strict ? getKey() : null, self, value);
218 } catch (final Error | RuntimeException t) {
219 throw t;
220 } catch (final Throwable t) {
221 throw new RuntimeException(t);
222 }
223 }
224
225 @Override
226 public MethodHandle getGetter(final Class<?> type) {
227 //this returns a getter on the format (Accessors, Object receiver)
228 return Lookup.filterReturnType(INVOKE_OBJECT_GETTER, type);
229 }
230
231 @Override
232 public MethodHandle getOptimisticGetter(final Class<?> type, final int programPoint) {
233 if (type == int.class) {
234 return INVOKE_INT_GETTER;
235 } else if (type == double.class) {
236 return INVOKE_NUMBER_GETTER;
237 } else {
238 assert type == Object.class;
239 return INVOKE_OBJECT_GETTER;
240 }
241 }
242
243 @Override
244 void initMethodHandles(final Class<?> structure) {
245 throw new UnsupportedOperationException();
246 }
247
248 @Override
249 public ScriptFunction getGetterFunction(final ScriptObject sobj) {
250 final Object value = getAccessors(sobj).getter;
251 return (value instanceof ScriptFunction) ? (ScriptFunction)value : null;
252 }
253
254 @Override
255 public MethodHandle getSetter(final Class<?> type, final PropertyMap currentMap) {
256 if (type == int.class) {
257 return INVOKE_INT_SETTER;
258 } else if (type == double.class) {
259 return INVOKE_NUMBER_SETTER;
260 } else {
261 assert type == Object.class;
262 return INVOKE_OBJECT_SETTER;
263 }
264 }
265
266 @Override
267 public ScriptFunction getSetterFunction(final ScriptObject sobj) {
268 final Object value = getAccessors(sobj).setter;
269 return (value instanceof ScriptFunction) ? (ScriptFunction)value : null;
270 }
271
272 /**
273 * Get the getter for the {@code Accessors} object.
274 * This is the the super {@code Object} type getter with {@code Accessors} return type.
275 *
276 * @return The getter handle for the Accessors
277 */
287 private static Object invokeObjectGetter(final Accessors gs, final MethodHandle invoker, final Object self) throws Throwable {
288 final Object func = gs.getter;
289 if (func instanceof ScriptFunction) {
290 return invoker.invokeExact(func, self);
291 }
292
293 return UNDEFINED;
294 }
295
296 @SuppressWarnings("unused")
297 private static int invokeIntGetter(final Accessors gs, final MethodHandle invoker, final int programPoint, final Object self) throws Throwable {
298 final Object func = gs.getter;
299 if (func instanceof ScriptFunction) {
300 return (int) invoker.invokeExact(func, self);
301 }
302
303 throw new UnwarrantedOptimismException(UNDEFINED, programPoint);
304 }
305
306 @SuppressWarnings("unused")
307 private static double invokeNumberGetter(final Accessors gs, final MethodHandle invoker, final int programPoint, final Object self) throws Throwable {
308 final Object func = gs.getter;
309 if (func instanceof ScriptFunction) {
310 return (double) invoker.invokeExact(func, self);
311 }
312
313 throw new UnwarrantedOptimismException(UNDEFINED, programPoint);
314 }
315
316 @SuppressWarnings("unused")
317 private static void invokeObjectSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final Object value) throws Throwable {
318 final Object func = gs.setter;
319 if (func instanceof ScriptFunction) {
320 invoker.invokeExact(func, self, value);
321 } else if (name != null) {
322 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
323 }
324 }
325
326 @SuppressWarnings("unused")
327 private static void invokeIntSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final int value) throws Throwable {
328 final Object func = gs.setter;
329 if (func instanceof ScriptFunction) {
330 invoker.invokeExact(func, self, value);
331 } else if (name != null) {
332 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
333 }
334 }
335
336 @SuppressWarnings("unused")
337 private static void invokeNumberSetter(final Accessors gs, final MethodHandle invoker, final String name, final Object self, final double value) throws Throwable {
338 final Object func = gs.setter;
339 if (func instanceof ScriptFunction) {
340 invoker.invokeExact(func, self, value);
341 } else if (name != null) {
342 throw typeError("property.has.no.setter", name, ScriptRuntime.safeToString(self));
343 }
344 }
345
346 private static MethodHandle findOwnMH_S(final String name, final Class<?> rtype, final Class<?>... types) {
347 return MH.findStatic(LOOKUP, UserAccessorProperty.class, name, MH.type(rtype, types));
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