2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Kelvin W Sherlock (ksherlock@gmail.com)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 #include "JSObjectRef.h"
29 #include "JSObjectRefPrivate.h"
32 #include "CodeBlock.h"
33 #include "DateConstructor.h"
34 #include "ErrorConstructor.h"
35 #include "FunctionConstructor.h"
36 #include "Identifier.h"
37 #include "InitializeThreading.h"
39 #include "JSCallbackConstructor.h"
40 #include "JSCallbackFunction.h"
41 #include "JSCallbackObject.h"
42 #include "JSClassRef.h"
43 #include "JSFunction.h"
44 #include "JSGlobalObject.h"
46 #include "JSRetainPtr.h"
48 #include "JSValueRef.h"
49 #include "ObjectPrototype.h"
50 #include "PropertyNameArray.h"
51 #include "RegExpConstructor.h"
55 JSClassRef JSClassCreate(const JSClassDefinition* definition)
57 initializeThreading();
58 RefPtr<OpaqueJSClass> jsClass = (definition->attributes & kJSClassAttributeNoAutomaticPrototype)
59 ? OpaqueJSClass::createNoAutomaticPrototype(definition)
60 : OpaqueJSClass::create(definition);
62 return jsClass.release().leakRef();
65 JSClassRef JSClassRetain(JSClassRef jsClass)
71 void JSClassRelease(JSClassRef jsClass)
76 JSObjectRef JSObjectMake(JSContextRef ctx, JSClassRef jsClass, void* data)
78 ExecState* exec = toJS(ctx);
79 APIEntryShim entryShim(exec);
82 return toRef(new (exec) JSObject(exec->lexicalGlobalObject()->emptyObjectStructure())); // slightly more efficient
84 JSCallbackObject<JSObjectWithGlobalObject>* object = new (exec) JSCallbackObject<JSObjectWithGlobalObject>(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), jsClass, data);
85 if (JSObject* prototype = jsClass->prototype(exec))
86 object->setPrototype(prototype);
91 JSObjectRef JSObjectMakeFunctionWithCallback(JSContextRef ctx, JSStringRef name, JSObjectCallAsFunctionCallback callAsFunction)
93 ExecState* exec = toJS(ctx);
94 APIEntryShim entryShim(exec);
96 Identifier nameID = name ? name->identifier(&exec->globalData()) : Identifier(exec, "anonymous");
98 return toRef(new (exec) JSCallbackFunction(exec, exec->lexicalGlobalObject(), callAsFunction, nameID));
101 JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
103 ExecState* exec = toJS(ctx);
104 APIEntryShim entryShim(exec);
106 JSValue jsPrototype = jsClass ? jsClass->prototype(exec) : 0;
108 jsPrototype = exec->lexicalGlobalObject()->objectPrototype();
110 JSCallbackConstructor* constructor = new (exec) JSCallbackConstructor(exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackConstructorStructure(), jsClass, callAsConstructor);
111 constructor->putDirect(exec->globalData(), exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
112 return toRef(constructor);
115 JSObjectRef JSObjectMakeFunction(JSContextRef ctx, JSStringRef name, unsigned parameterCount, const JSStringRef parameterNames[], JSStringRef body, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
117 ExecState* exec = toJS(ctx);
118 APIEntryShim entryShim(exec);
120 Identifier nameID = name ? name->identifier(&exec->globalData()) : Identifier(exec, "anonymous");
122 MarkedArgumentBuffer args;
123 for (unsigned i = 0; i < parameterCount; i++)
124 args.append(jsString(exec, parameterNames[i]->ustring()));
125 args.append(jsString(exec, body->ustring()));
127 JSObject* result = constructFunction(exec, args, nameID, sourceURL->ustring(), startingLineNumber);
128 if (exec->hadException()) {
130 *exception = toRef(exec, exec->exception());
131 exec->clearException();
134 return toRef(result);
137 JSObjectRef JSObjectMakeArray(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
139 ExecState* exec = toJS(ctx);
140 APIEntryShim entryShim(exec);
144 MarkedArgumentBuffer argList;
145 for (size_t i = 0; i < argumentCount; ++i)
146 argList.append(toJS(exec, arguments[i]));
148 result = constructArray(exec, argList);
150 result = constructEmptyArray(exec);
152 if (exec->hadException()) {
154 *exception = toRef(exec, exec->exception());
155 exec->clearException();
159 return toRef(result);
162 JSObjectRef JSObjectMakeDate(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
164 ExecState* exec = toJS(ctx);
165 APIEntryShim entryShim(exec);
167 MarkedArgumentBuffer argList;
168 for (size_t i = 0; i < argumentCount; ++i)
169 argList.append(toJS(exec, arguments[i]));
171 JSObject* result = constructDate(exec, argList);
172 if (exec->hadException()) {
174 *exception = toRef(exec, exec->exception());
175 exec->clearException();
179 return toRef(result);
182 JSObjectRef JSObjectMakeError(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
184 ExecState* exec = toJS(ctx);
185 APIEntryShim entryShim(exec);
187 JSValue message = argumentCount ? toJS(exec, arguments[0]) : jsUndefined();
188 Structure* errorStructure = exec->lexicalGlobalObject()->errorStructure();
189 JSObject* result = ErrorInstance::create(exec, errorStructure, message);
191 if (exec->hadException()) {
193 *exception = toRef(exec, exec->exception());
194 exec->clearException();
198 return toRef(result);
201 JSObjectRef JSObjectMakeRegExp(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
203 ExecState* exec = toJS(ctx);
204 APIEntryShim entryShim(exec);
206 MarkedArgumentBuffer argList;
207 for (size_t i = 0; i < argumentCount; ++i)
208 argList.append(toJS(exec, arguments[i]));
210 JSObject* result = constructRegExp(exec, argList);
211 if (exec->hadException()) {
213 *exception = toRef(exec, exec->exception());
214 exec->clearException();
218 return toRef(result);
221 JSValueRef JSObjectGetPrototype(JSContextRef ctx, JSObjectRef object)
223 ExecState* exec = toJS(ctx);
224 APIEntryShim entryShim(exec);
226 JSObject* jsObject = toJS(object);
227 return toRef(exec, jsObject->prototype());
230 void JSObjectSetPrototype(JSContextRef ctx, JSObjectRef object, JSValueRef value)
232 ExecState* exec = toJS(ctx);
233 APIEntryShim entryShim(exec);
235 JSObject* jsObject = toJS(object);
236 JSValue jsValue = toJS(exec, value);
238 jsObject->setPrototypeWithCycleCheck(jsValue.isObject() ? jsValue : jsNull());
241 bool JSObjectHasProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
243 ExecState* exec = toJS(ctx);
244 APIEntryShim entryShim(exec);
246 JSObject* jsObject = toJS(object);
248 return jsObject->hasProperty(exec, propertyName->identifier(&exec->globalData()));
251 JSValueRef JSObjectGetProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
253 ExecState* exec = toJS(ctx);
254 APIEntryShim entryShim(exec);
256 JSObject* jsObject = toJS(object);
258 JSValue jsValue = jsObject->get(exec, propertyName->identifier(&exec->globalData()));
259 if (exec->hadException()) {
261 *exception = toRef(exec, exec->exception());
262 exec->clearException();
264 return toRef(exec, jsValue);
267 void JSObjectSetProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value, JSPropertyAttributes attributes, JSValueRef* exception)
269 ExecState* exec = toJS(ctx);
270 APIEntryShim entryShim(exec);
272 JSObject* jsObject = toJS(object);
273 Identifier name(propertyName->identifier(&exec->globalData()));
274 JSValue jsValue = toJS(exec, value);
276 if (attributes && !jsObject->hasProperty(exec, name))
277 jsObject->putWithAttributes(exec, name, jsValue, attributes);
279 PutPropertySlot slot;
280 jsObject->put(exec, name, jsValue, slot);
283 if (exec->hadException()) {
285 *exception = toRef(exec, exec->exception());
286 exec->clearException();
290 JSValueRef JSObjectGetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef* exception)
292 ExecState* exec = toJS(ctx);
293 APIEntryShim entryShim(exec);
295 JSObject* jsObject = toJS(object);
297 JSValue jsValue = jsObject->get(exec, propertyIndex);
298 if (exec->hadException()) {
300 *exception = toRef(exec, exec->exception());
301 exec->clearException();
303 return toRef(exec, jsValue);
307 void JSObjectSetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef value, JSValueRef* exception)
309 ExecState* exec = toJS(ctx);
310 APIEntryShim entryShim(exec);
312 JSObject* jsObject = toJS(object);
313 JSValue jsValue = toJS(exec, value);
315 jsObject->put(exec, propertyIndex, jsValue);
316 if (exec->hadException()) {
318 *exception = toRef(exec, exec->exception());
319 exec->clearException();
323 bool JSObjectDeleteProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
325 ExecState* exec = toJS(ctx);
326 APIEntryShim entryShim(exec);
328 JSObject* jsObject = toJS(object);
330 bool result = jsObject->deleteProperty(exec, propertyName->identifier(&exec->globalData()));
331 if (exec->hadException()) {
333 *exception = toRef(exec, exec->exception());
334 exec->clearException();
339 void* JSObjectGetPrivate(JSObjectRef object)
341 JSObject* jsObject = toJS(object);
343 if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info))
344 return static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->getPrivate();
345 else if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::info))
346 return static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->getPrivate();
351 bool JSObjectSetPrivate(JSObjectRef object, void* data)
353 JSObject* jsObject = toJS(object);
355 if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info)) {
356 static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->setPrivate(data);
358 } else if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::info)) {
359 static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->setPrivate(data);
366 JSValueRef JSObjectGetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
368 ExecState* exec = toJS(ctx);
369 APIEntryShim entryShim(exec);
370 JSObject* jsObject = toJS(object);
372 Identifier name(propertyName->identifier(&exec->globalData()));
373 if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info))
374 result = static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->getPrivateProperty(name);
375 else if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::info))
376 result = static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->getPrivateProperty(name);
377 return toRef(exec, result);
380 bool JSObjectSetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value)
382 ExecState* exec = toJS(ctx);
383 APIEntryShim entryShim(exec);
384 JSObject* jsObject = toJS(object);
385 JSValue jsValue = value ? toJS(exec, value) : JSValue();
386 Identifier name(propertyName->identifier(&exec->globalData()));
387 if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info)) {
388 static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->setPrivateProperty(exec->globalData(), name, jsValue);
391 if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::info)) {
392 static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->setPrivateProperty(exec->globalData(), name, jsValue);
398 bool JSObjectDeletePrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
400 ExecState* exec = toJS(ctx);
401 APIEntryShim entryShim(exec);
402 JSObject* jsObject = toJS(object);
403 Identifier name(propertyName->identifier(&exec->globalData()));
404 if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::info)) {
405 static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->deletePrivateProperty(name);
408 if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::info)) {
409 static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->deletePrivateProperty(name);
415 bool JSObjectIsFunction(JSContextRef, JSObjectRef object)
418 return toJS(object)->getCallData(callData) != CallTypeNone;
421 JSValueRef JSObjectCallAsFunction(JSContextRef ctx, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
423 ExecState* exec = toJS(ctx);
424 APIEntryShim entryShim(exec);
426 JSObject* jsObject = toJS(object);
427 JSObject* jsThisObject = toJS(thisObject);
430 jsThisObject = exec->globalThisValue();
432 MarkedArgumentBuffer argList;
433 for (size_t i = 0; i < argumentCount; i++)
434 argList.append(toJS(exec, arguments[i]));
437 CallType callType = jsObject->getCallData(callData);
438 if (callType == CallTypeNone)
441 JSValueRef result = toRef(exec, call(exec, jsObject, callType, callData, jsThisObject, argList));
442 if (exec->hadException()) {
444 *exception = toRef(exec, exec->exception());
445 exec->clearException();
451 bool JSObjectIsConstructor(JSContextRef, JSObjectRef object)
453 JSObject* jsObject = toJS(object);
454 ConstructData constructData;
455 return jsObject->getConstructData(constructData) != ConstructTypeNone;
458 JSObjectRef JSObjectCallAsConstructor(JSContextRef ctx, JSObjectRef object, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
460 ExecState* exec = toJS(ctx);
461 APIEntryShim entryShim(exec);
463 JSObject* jsObject = toJS(object);
465 ConstructData constructData;
466 ConstructType constructType = jsObject->getConstructData(constructData);
467 if (constructType == ConstructTypeNone)
470 MarkedArgumentBuffer argList;
471 for (size_t i = 0; i < argumentCount; i++)
472 argList.append(toJS(exec, arguments[i]));
473 JSObjectRef result = toRef(construct(exec, jsObject, constructType, constructData, argList));
474 if (exec->hadException()) {
476 *exception = toRef(exec, exec->exception());
477 exec->clearException();
483 struct OpaqueJSPropertyNameArray {
484 WTF_MAKE_FAST_ALLOCATED;
486 OpaqueJSPropertyNameArray(JSGlobalData* globalData)
488 , globalData(globalData)
493 JSGlobalData* globalData;
494 Vector<JSRetainPtr<JSStringRef> > array;
497 JSPropertyNameArrayRef JSObjectCopyPropertyNames(JSContextRef ctx, JSObjectRef object)
499 JSObject* jsObject = toJS(object);
500 ExecState* exec = toJS(ctx);
501 APIEntryShim entryShim(exec);
503 JSGlobalData* globalData = &exec->globalData();
505 JSPropertyNameArrayRef propertyNames = new OpaqueJSPropertyNameArray(globalData);
506 PropertyNameArray array(globalData);
507 jsObject->getPropertyNames(exec, array);
509 size_t size = array.size();
510 propertyNames->array.reserveInitialCapacity(size);
511 for (size_t i = 0; i < size; ++i)
512 propertyNames->array.append(JSRetainPtr<JSStringRef>(Adopt, OpaqueJSString::create(array[i].ustring()).leakRef()));
514 return JSPropertyNameArrayRetain(propertyNames);
517 JSPropertyNameArrayRef JSPropertyNameArrayRetain(JSPropertyNameArrayRef array)
523 void JSPropertyNameArrayRelease(JSPropertyNameArrayRef array)
525 if (--array->refCount == 0) {
526 APIEntryShim entryShim(array->globalData, false);
531 size_t JSPropertyNameArrayGetCount(JSPropertyNameArrayRef array)
533 return array->array.size();
536 JSStringRef JSPropertyNameArrayGetNameAtIndex(JSPropertyNameArrayRef array, size_t index)
538 return array->array[static_cast<unsigned>(index)].get();
541 void JSPropertyNameAccumulatorAddName(JSPropertyNameAccumulatorRef array, JSStringRef propertyName)
543 PropertyNameArray* propertyNames = toJS(array);
544 APIEntryShim entryShim(propertyNames->globalData());
545 propertyNames->add(propertyName->identifier(propertyNames->globalData()));