SetConstructor.cpp [plain text]
#include "config.h"
#include "SetConstructor.h"
#include "Error.h"
#include "JSCJSValueInlines.h"
#include "JSCellInlines.h"
#include "JSGlobalObject.h"
#include "JSSet.h"
#include "MapData.h"
#include "SetPrototype.h"
#include "StructureInlines.h"
namespace JSC {
const ClassInfo SetConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(SetConstructor) };
void SetConstructor::finishCreation(VM& vm, SetPrototype* setPrototype)
{
Base::finishCreation(vm, setPrototype->classInfo()->className);
putDirectWithoutTransition(vm, vm.propertyNames->prototype, setPrototype, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum | DontDelete);
}
static EncodedJSValue JSC_HOST_CALL callSet(CallFrame* callFrame)
{
if (!callFrame->argument(0).isUndefinedOrNull())
return JSValue::encode(throwTypeError(callFrame, ASCIILiteral("Set does not accept arguments when called as a function")));
if (!callFrame->argument(1).isUndefined())
return throwVMError(callFrame, createRangeError(callFrame, WTF::ASCIILiteral("Invalid comparator function")));
JSGlobalObject* globalObject = asInternalFunction(callFrame->callee())->globalObject();
Structure* setStructure = globalObject->setStructure();
return JSValue::encode(JSSet::create(callFrame, setStructure));
}
static EncodedJSValue JSC_HOST_CALL constructSet(CallFrame* callFrame)
{
JSGlobalObject* globalObject = asInternalFunction(callFrame->callee())->globalObject();
Structure* setStructure = globalObject->setStructure();
JSSet* set = JSSet::create(callFrame, setStructure);
MapData* mapData = set->mapData();
size_t count = callFrame->argumentCount();
for (size_t i = 0; i < count; i++) {
JSValue item = callFrame->uncheckedArgument(i);
mapData->set(callFrame, item, item);
}
return JSValue::encode(set);
}
ConstructType SetConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
constructData.native.function = constructSet;
return ConstructTypeHost;
}
CallType SetConstructor::getCallData(JSCell*, CallData& callData)
{
callData.native.function = callSet;
return CallTypeHost;
}
}