24 #include "interpreter.h" 25 #include "operations.h" 26 #include "object_object.h" 27 #include "function_object.h" 36 ObjectPrototypeImp::ObjectPrototypeImp(
ExecState *exec,
41 putDirect(toStringPropertyName,
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::ToString,
42 0, toStringPropertyName), DontEnum);
43 putDirect(toLocaleStringPropertyName,
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::ToLocaleString,
44 0, toLocaleStringPropertyName), DontEnum);
45 putDirect(valueOfPropertyName,
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::ValueOf,
46 0, valueOfPropertyName), DontEnum);
47 putDirect(
"hasOwnProperty",
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::HasOwnProperty,
48 1,
"hasOwnProperty"),DontEnum);
49 putDirect(
"isPrototypeOf",
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::IsPrototypeOf,
50 1,
"isPrototypeOf"),DontEnum);
51 putDirect(
"propertyIsEnumerable",
new ObjectProtoFuncImp(exec,funcProto,ObjectProtoFuncImp::PropertyIsEnumerable,
52 1,
"propertyIsEnumerable"),DontEnum);
54 #ifndef KJS_PURE_ECMA // standard compliance location is the Global object 57 Object(
new GlobalFuncImp(exec, funcProto,GlobalFuncImp::Eval, 1,
"eval")),
64 ObjectProtoFuncImp::ObjectProtoFuncImp(
ExecState * ,
70 putDirect(lengthPropertyName, len, DontDelete|ReadOnly|DontEnum);
75 bool ObjectProtoFuncImp::implementsCall()
const 91 case HasOwnProperty: {
94 Value tempProto(thisObj.imp()->prototype());
95 thisObj.imp()->setPrototype(
Value());
96 bool exists = thisObj.
hasProperty(exec,propertyName);
97 thisObj.imp()->setPrototype(tempProto);
98 return Value(exists ? BooleanImp::staticTrue : BooleanImp::staticFalse);
100 case IsPrototypeOf: {
103 if (v.imp() == thisObj.imp())
104 return Value(BooleanImp::staticTrue);
106 return Value(BooleanImp::staticFalse);
108 case PropertyIsEnumerable: {
110 ObjectImp *obj =
static_cast<ObjectImp*
>(thisObj.imp());
113 ValueImp *v = obj->_prop.get(propertyName,attributes);
115 return Value((attributes & DontEnum) ?
116 BooleanImp::staticFalse : BooleanImp::staticTrue);
118 if (propertyName == specialPrototypePropertyName)
119 return Value(BooleanImp::staticFalse);
121 const HashEntry *entry = obj->findPropertyHashEntry(propertyName);
122 return Value((entry && !(entry->
attr & DontEnum)) ?
123 BooleanImp::staticTrue : BooleanImp::staticFalse);
132 ObjectObjectImp::ObjectObjectImp(
ExecState * ,
133 ObjectPrototypeImp *objProto,
139 putDirect(prototypePropertyName, objProto, DontEnum|DontDelete|ReadOnly);
142 putDirect(lengthPropertyName, NumberImp::one(), ReadOnly|DontDelete|DontEnum);
146 bool ObjectObjectImp::implementsConstruct()
const 157 Object result(
new ObjectImp(proto));
166 switch (arg.
type()) {
172 assert(!
"unhandled switch case in ObjectConstructor");
176 return Object(
new ObjectImp(proto));
180 bool ObjectObjectImp::implementsCall()
const 195 if (arg.
type() == NullType || arg.
type() == UndefinedType) {
Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...
Type type() const
Returns the type of value.
Base class for all function objects.
Object construct(ExecState *exec, const List &args)
Creates a new object based on this object.
void append(const Value &val)
Append an object to the end of the list.
Interpreter * lexicalInterpreter() const
Returns the interpreter associated with the current scope's global object.
UString className() const
Returns the class name of the object.
bool hasProperty(ExecState *exec, const Identifier &propertyName) const
Checks to see whether the object (or any object in it's prototype chain) has a property with the spec...
An entry in a hash table.
The initial value of Function.prototype (and thus all objects created with the Function constructor) ...
unsigned char attr
attr is a set for flags (e.g.
ListIterator begin() const
Represents an primitive Undefined value.
Object toObject(ExecState *exec) const
Performs the ToObject type conversion operation on this value (ECMA 9.9)
bool isA(Type t) const
Checks whether or not the value is of a particular tpye.
Represents an primitive String value.
static Object dynamicCast(const Value &v)
Converts a Value into an Object.
ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...
Object builtinObjectPrototype() const
Returns the builtin "Object.prototype" object.
void put(ExecState *exec, const Identifier &propertyName, const Value &value, int attr=None)
Sets the specified property.
UString toString(ExecState *exec) const
Performs the ToString type conversion operation on this value (ECMA 9.8)
bool isValid() const
Returns whether or not this is a valid value.
Value prototype() const
Returns the prototype of this object.
Represents the current state of script execution.
Represents an Identifier for a Javascript object.