Permalink
Switch branches/tags
Nothing to show
Find file
Fetching contributors…
Cannot retrieve contributors at this time
548 lines (451 sloc) 18.2 KB
/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Kelvin W Sherlock (ksherlock@gmail.com)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSObjectRef.h"
#include "JSObjectRefPrivate.h"
#include "APICast.h"
#include "CodeBlock.h"
#include "DateConstructor.h"
#include "ErrorConstructor.h"
#include "FunctionConstructor.h"
#include "Identifier.h"
#include "InitializeThreading.h"
#include "JSArray.h"
#include "JSCallbackConstructor.h"
#include "JSCallbackFunction.h"
#include "JSCallbackObject.h"
#include "JSClassRef.h"
#include "JSFunction.h"
#include "JSGlobalObject.h"
#include "JSObject.h"
#include "JSRetainPtr.h"
#include "JSString.h"
#include "JSValueRef.h"
#include "ObjectPrototype.h"
#include "PropertyNameArray.h"
#include "RegExpConstructor.h"
using namespace JSC;
JSClassRef JSClassCreate(const JSClassDefinition* definition)
{
initializeThreading();
RefPtr<OpaqueJSClass> jsClass = (definition->attributes & kJSClassAttributeNoAutomaticPrototype)
? OpaqueJSClass::createNoAutomaticPrototype(definition)
: OpaqueJSClass::create(definition);
return jsClass.release().leakRef();
}
JSClassRef JSClassRetain(JSClassRef jsClass)
{
jsClass->ref();
return jsClass;
}
void JSClassRelease(JSClassRef jsClass)
{
jsClass->deref();
}
JSObjectRef JSObjectMake(JSContextRef ctx, JSClassRef jsClass, void* data)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
if (!jsClass)
return toRef(constructEmptyObject(exec));
JSCallbackObject<JSObjectWithGlobalObject>* object = new (exec) JSCallbackObject<JSObjectWithGlobalObject>(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), jsClass, data);
if (JSObject* prototype = jsClass->prototype(exec))
object->setPrototype(exec->globalData(), prototype);
return toRef(object);
}
JSObjectRef JSObjectMakeFunctionWithCallback(JSContextRef ctx, JSStringRef name, JSObjectCallAsFunctionCallback callAsFunction)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
Identifier nameID = name ? name->identifier(&exec->globalData()) : Identifier(exec, "anonymous");
return toRef(new (exec) JSCallbackFunction(exec, exec->lexicalGlobalObject(), callAsFunction, nameID));
}
JSObjectRef JSObjectMakeConstructor(JSContextRef ctx, JSClassRef jsClass, JSObjectCallAsConstructorCallback callAsConstructor)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSValue jsPrototype = jsClass ? jsClass->prototype(exec) : 0;
if (!jsPrototype)
jsPrototype = exec->lexicalGlobalObject()->objectPrototype();
JSCallbackConstructor* constructor = new (exec) JSCallbackConstructor(exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackConstructorStructure(), jsClass, callAsConstructor);
constructor->putDirect(exec->globalData(), exec->propertyNames().prototype, jsPrototype, DontEnum | DontDelete | ReadOnly);
return toRef(constructor);
}
JSObjectRef JSObjectMakeFunction(JSContextRef ctx, JSStringRef name, unsigned parameterCount, const JSStringRef parameterNames[], JSStringRef body, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
Identifier nameID = name ? name->identifier(&exec->globalData()) : Identifier(exec, "anonymous");
MarkedArgumentBuffer args;
for (unsigned i = 0; i < parameterCount; i++)
args.append(jsString(exec, parameterNames[i]->ustring()));
args.append(jsString(exec, body->ustring()));
JSObject* result = constructFunction(exec, exec->lexicalGlobalObject(), args, nameID, sourceURL->ustring(), startingLineNumber);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return toRef(result);
}
JSObjectRef JSObjectMakeArray(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* result;
if (argumentCount) {
MarkedArgumentBuffer argList;
for (size_t i = 0; i < argumentCount; ++i)
argList.append(toJS(exec, arguments[i]));
result = constructArray(exec, argList);
} else
result = constructEmptyArray(exec);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return toRef(result);
}
JSObjectRef JSObjectMakeDate(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
MarkedArgumentBuffer argList;
for (size_t i = 0; i < argumentCount; ++i)
argList.append(toJS(exec, arguments[i]));
JSObject* result = constructDate(exec, exec->lexicalGlobalObject(), argList);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return toRef(result);
}
JSObjectRef JSObjectMakeError(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSValue message = argumentCount ? toJS(exec, arguments[0]) : jsUndefined();
Structure* errorStructure = exec->lexicalGlobalObject()->errorStructure();
JSObject* result = ErrorInstance::create(exec, errorStructure, message);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return toRef(result);
}
JSObjectRef JSObjectMakeRegExp(JSContextRef ctx, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
MarkedArgumentBuffer argList;
for (size_t i = 0; i < argumentCount; ++i)
argList.append(toJS(exec, arguments[i]));
JSObject* result = constructRegExp(exec, exec->lexicalGlobalObject(), argList);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return toRef(result);
}
JSValueRef JSObjectGetPrototype(JSContextRef ctx, JSObjectRef object)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
return toRef(exec, jsObject->prototype());
}
void JSObjectSetPrototype(JSContextRef ctx, JSObjectRef object, JSValueRef value)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue jsValue = toJS(exec, value);
jsObject->setPrototypeWithCycleCheck(exec->globalData(), jsValue.isObject() ? jsValue : jsNull());
}
bool JSObjectHasProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
return jsObject->hasProperty(exec, propertyName->identifier(&exec->globalData()));
}
JSValueRef JSObjectGetProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue jsValue = jsObject->get(exec, propertyName->identifier(&exec->globalData()));
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
return toRef(exec, jsValue);
}
void JSObjectSetProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value, JSPropertyAttributes attributes, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
Identifier name(propertyName->identifier(&exec->globalData()));
JSValue jsValue = toJS(exec, value);
if (attributes && !jsObject->hasProperty(exec, name))
jsObject->putWithAttributes(exec, name, jsValue, attributes);
else {
PutPropertySlot slot;
jsObject->put(exec, name, jsValue, slot);
}
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
}
JSValueRef JSObjectGetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue jsValue = jsObject->get(exec, propertyIndex);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
return toRef(exec, jsValue);
}
void JSObjectSetPropertyAtIndex(JSContextRef ctx, JSObjectRef object, unsigned propertyIndex, JSValueRef value, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue jsValue = toJS(exec, value);
jsObject->put(exec, propertyIndex, jsValue);
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
}
bool JSObjectDeleteProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
bool result = jsObject->deleteProperty(exec, propertyName->identifier(&exec->globalData()));
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
}
return result;
}
void* JSObjectGetPrivate(JSObjectRef object)
{
JSObject* jsObject = toJS(object);
if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::s_info))
return static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->getPrivate();
if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info))
return static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->getPrivate();
return 0;
}
bool JSObjectSetPrivate(JSObjectRef object, void* data)
{
JSObject* jsObject = toJS(object);
if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->setPrivate(data);
return true;
}
if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->setPrivate(data);
return true;
}
return false;
}
JSValueRef JSObjectGetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue result;
Identifier name(propertyName->identifier(&exec->globalData()));
if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::s_info))
result = static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->getPrivateProperty(name);
else if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info))
result = static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->getPrivateProperty(name);
return toRef(exec, result);
}
bool JSObjectSetPrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName, JSValueRef value)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSValue jsValue = value ? toJS(exec, value) : JSValue();
Identifier name(propertyName->identifier(&exec->globalData()));
if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->setPrivateProperty(exec->globalData(), name, jsValue);
return true;
}
if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->setPrivateProperty(exec->globalData(), name, jsValue);
return true;
}
return false;
}
bool JSObjectDeletePrivateProperty(JSContextRef ctx, JSObjectRef object, JSStringRef propertyName)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
Identifier name(propertyName->identifier(&exec->globalData()));
if (jsObject->inherits(&JSCallbackObject<JSGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSGlobalObject>*>(jsObject)->deletePrivateProperty(name);
return true;
}
if (jsObject->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info)) {
static_cast<JSCallbackObject<JSObjectWithGlobalObject>*>(jsObject)->deletePrivateProperty(name);
return true;
}
return false;
}
bool JSObjectIsFunction(JSContextRef, JSObjectRef object)
{
CallData callData;
return toJS(object)->getCallData(callData) != CallTypeNone;
}
JSValueRef JSObjectCallAsFunction(JSContextRef ctx, JSObjectRef object, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
JSObject* jsThisObject = toJS(thisObject);
if (!jsThisObject)
jsThisObject = exec->globalThisValue();
MarkedArgumentBuffer argList;
for (size_t i = 0; i < argumentCount; i++)
argList.append(toJS(exec, arguments[i]));
CallData callData;
CallType callType = jsObject->getCallData(callData);
if (callType == CallTypeNone)
return 0;
JSValueRef result = toRef(exec, call(exec, jsObject, callType, callData, jsThisObject, argList));
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return result;
}
bool JSObjectIsConstructor(JSContextRef, JSObjectRef object)
{
JSObject* jsObject = toJS(object);
ConstructData constructData;
return jsObject->getConstructData(constructData) != ConstructTypeNone;
}
JSObjectRef JSObjectCallAsConstructor(JSContextRef ctx, JSObjectRef object, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSObject* jsObject = toJS(object);
ConstructData constructData;
ConstructType constructType = jsObject->getConstructData(constructData);
if (constructType == ConstructTypeNone)
return 0;
MarkedArgumentBuffer argList;
for (size_t i = 0; i < argumentCount; i++)
argList.append(toJS(exec, arguments[i]));
JSObjectRef result = toRef(construct(exec, jsObject, constructType, constructData, argList));
if (exec->hadException()) {
if (exception)
*exception = toRef(exec, exec->exception());
exec->clearException();
result = 0;
}
return result;
}
struct OpaqueJSPropertyNameArray {
WTF_MAKE_FAST_ALLOCATED;
public:
OpaqueJSPropertyNameArray(JSGlobalData* globalData)
: refCount(0)
, globalData(globalData)
{
}
unsigned refCount;
JSGlobalData* globalData;
Vector<JSRetainPtr<JSStringRef> > array;
};
JSPropertyNameArrayRef JSObjectCopyPropertyNames(JSContextRef ctx, JSObjectRef object)
{
JSObject* jsObject = toJS(object);
ExecState* exec = toJS(ctx);
APIEntryShim entryShim(exec);
JSGlobalData* globalData = &exec->globalData();
JSPropertyNameArrayRef propertyNames = new OpaqueJSPropertyNameArray(globalData);
PropertyNameArray array(globalData);
jsObject->getPropertyNames(exec, array);
size_t size = array.size();
propertyNames->array.reserveInitialCapacity(size);
for (size_t i = 0; i < size; ++i)
propertyNames->array.append(JSRetainPtr<JSStringRef>(Adopt, OpaqueJSString::create(array[i].ustring()).leakRef()));
return JSPropertyNameArrayRetain(propertyNames);
}
JSPropertyNameArrayRef JSPropertyNameArrayRetain(JSPropertyNameArrayRef array)
{
++array->refCount;
return array;
}
void JSPropertyNameArrayRelease(JSPropertyNameArrayRef array)
{
if (--array->refCount == 0) {
APIEntryShim entryShim(array->globalData, false);
delete array;
}
}
size_t JSPropertyNameArrayGetCount(JSPropertyNameArrayRef array)
{
return array->array.size();
}
JSStringRef JSPropertyNameArrayGetNameAtIndex(JSPropertyNameArrayRef array, size_t index)
{
return array->array[static_cast<unsigned>(index)].get();
}
void JSPropertyNameAccumulatorAddName(JSPropertyNameAccumulatorRef array, JSStringRef propertyName)
{
PropertyNameArray* propertyNames = toJS(array);
APIEntryShim entryShim(propertyNames->globalData());
propertyNames->add(propertyName->identifier(propertyNames->globalData()));
}