protected bool GetOption(EcmaPropertyKey propertyKey, bool defaultValue)
{
if (parsedOptions.ContainsKey(propertyKey) && parsedOptions[propertyKey] is bool savedValue)
{
return(savedValue);
}
if (options == null)
{
return(defaultValue);
}
EcmaValue value = options[propertyKey];
bool parsedValue = value == default ? defaultValue : value.ToBoolean();
parsedOptions[propertyKey] = parsedValue;
return(parsedValue);
}
protected string GetOption(EcmaPropertyKey propertyKey, string defaultValue)
{
if (parsedOptions.ContainsKey(propertyKey))
{
return(parsedOptions[propertyKey] as string);
}
if (options == null)
{
return(defaultValue);
}
EcmaValue value = options[propertyKey];
string parsedValue = value != default ? options[propertyKey].ToStringOrThrow() : defaultValue;
parsedOptions[propertyKey] = parsedValue;
return(parsedValue);
}
public EcmaArray ToPartArray(EcmaPropertyKey annotationProperty, string[] annotations)
{
Guard.ArgumentNotNull(annotations, "annotations");
if (annotations.Length != parts.Length)
{
throw new ArgumentException("Supplied array must have the same length of part array", "unitAnnotations");
}
return(new EcmaArray(parts.Select((v, i) => {
RuntimeObject obj = v.ToValue().ToObject();
if (annotations[i] != null)
{
obj.CreateDataPropertyOrThrow(annotationProperty, annotations[i]);
}
return obj.ToValue();
}).ToArray()));
}
protected virtual void WriteProperty(EcmaPropertyKey propertyKey, EcmaPropertyDescriptor descriptor)
{
if (this.LastToken != InspectorTokenType.ObjectStart && this.LastToken != InspectorTokenType.ArrayStart)
{
WriteToken(InspectorTokenType.EntrySeparator);
}
WritePropertyName(propertyKey, descriptor);
WriteToken(InspectorTokenType.PropertyNameValueSeparator);
if (descriptor.IsAccessorDescriptor)
{
WriteToken(InspectorTokenType.UnexpandedAccessor);
}
else
{
WritePropertyValue(propertyKey, descriptor);
}
}
public override EcmaPropertyDescriptor GetOwnProperty(EcmaPropertyKey propertyKey)
{
EcmaPropertyDescriptor result = base.GetOwnProperty(propertyKey);
if (result != null)
{
if (propertyKey == WellKnownProperty.Arguments)
{
return(new EcmaPropertyDescriptor(GetCurrentArguments(), EcmaPropertyAttributes.None));
}
if (propertyKey == WellKnownProperty.Caller)
{
return(new EcmaPropertyDescriptor(GetCurrentCallee(), EcmaPropertyAttributes.None));
}
}
return(result);
}
public void OverrideProperty(Enum objectType, EcmaPropertyKey propertyKey, RuntimeObject obj)
{
Guard.ArgumentNotNull(objectType, "objectType");
Guard.ArgumentNotNull(obj, "obj");
if (objectType.GetType() != this.EnumType)
{
throw new ArgumentException(String.Format("Value must be of type {0}", this.EnumType.FullName), "objectType");
}
if (obj.Realm != this.Realm)
{
throw new ArgumentException("Object must be created in the shared realm", "obj");
}
if (!overridables.TryGetValue(new SharedObjectKey(objectType, propertyKey), out int index))
{
throw new InvalidOperationException(String.Format("Property {0} is not overridable", propertyKey));
}
runtimeObjects[index] = obj;
}
protected T GetOption <T>(EcmaPropertyKey propertyKey, T defaultValue) where T : struct, Enum
{
if (parsedOptions.ContainsKey(propertyKey) && parsedOptions[propertyKey] is T savedValue)
{
return(savedValue);
}
if (options == null)
{
return(defaultValue);
}
EcmaValue value = options[propertyKey];
if (value == default)
{
parsedOptions[propertyKey] = defaultValue;
return(defaultValue);
}
T parsedValue = ParseEnum <T>(value.ToStringOrThrow());
parsedOptions[propertyKey] = parsedValue;
return(parsedValue);
}
protected override void WritePropertyValue(EcmaPropertyKey propertyKey, EcmaPropertyDescriptor descriptor)
{
if (descriptor.Value.Type != EcmaValueType.Object)
{
base.WritePropertyValue(propertyKey, descriptor);
}
else
{
RuntimeObject obj = descriptor.Value.ToObject();
if (stack.Count == maxDepth || stack.Contains(obj))
{
WriteToken(InspectorTokenType.UnexpandedAccessor);
}
else if (propertyKey == "__proto__")
{
singleLine.Serialize(descriptor.Value);
}
else
{
base.WritePropertyValue(propertyKey, descriptor);
}
}
}
public override bool DefineOwnProperty(EcmaPropertyKey propertyKey, EcmaPropertyDescriptor descriptor)
{
RuntimeObject target = ThrowIfProxyRevoked();
RuntimeObject trap = handler.GetMethod(WellKnownProperty.DefineProperty);
if (trap == null)
{
return(target.DefineOwnProperty(propertyKey, descriptor));
}
if (!(bool)trap.Call(handler, target, propertyKey.ToValue(), descriptor.ToValue()))
{
return(false);
}
bool settingUnconfigurable = descriptor.Configurable == false;
EcmaPropertyDescriptor current = target.GetOwnProperty(propertyKey);
if (current == null)
{
if (!target.IsExtensible || settingUnconfigurable)
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
}
else
{
if (!EcmaPropertyDescriptor.ValidateAndApplyPropertyDescriptor(ref descriptor, current, !target.IsExtensible))
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
if (settingUnconfigurable && current.Configurable)
{
throw new EcmaTypeErrorException(InternalString.Error.InvalidTrapResult);
}
}
return(true);
}
private void DefineIntrinsicMethodProperty(Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> ht, EcmaPropertyKey name, EcmaValue sharedValue, EcmaPropertyAttributes?attributes)
{
ht[name] = new EcmaPropertyDescriptor(sharedValue, attributes.GetValueOrDefault(EcmaPropertyAttributes.DefaultMethodProperty));
}
private void DefineIntrinsicAccessorProperty(Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> ht, EcmaPropertyKey name, EcmaValue sharedValue, EcmaPropertyAttributes?attributes, bool isGetter)
{
attributes = attributes.GetValueOrDefault(EcmaPropertyAttributes.DefaultDataProperty);
if (name.IsSymbol)
{
attributes &= ~EcmaPropertyAttributes.Enumerable;
}
EcmaPropertyDescriptor descriptor;
if (!ht.TryGetValue(name, out descriptor))
{
descriptor = new EcmaPropertyDescriptor(attributes.Value);
ht[name] = descriptor;
}
if (isGetter)
{
descriptor.Get = sharedValue;
}
else
{
descriptor.Set = sharedValue;
}
}
private void DefineIntrinsicDataProperty(Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> ht, EcmaPropertyKey name, EcmaValue value, EcmaPropertyAttributes?attributes)
{
ht[name] = new EcmaPropertyDescriptor(value, attributes.GetValueOrDefault(EcmaPropertyAttributes.DefaultDataProperty) & (EcmaPropertyAttributes.Configurable | EcmaPropertyAttributes.Writable));
}
private void DefineIntrinsicObjectFromType(Type type, IntrinsicObjectAttribute typeAttr)
{
int objectIndex = ToValidIndex((Enum)typeAttr.ObjectType);
Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> ht = properties[objectIndex];
SharedObjectHandle handle = new SharedObjectHandle(this.Container.ID, objectIndex);
if (IsValidReference(typeAttr.Prototype, out SharedObjectHandle protoHandle))
{
RuntimeObject thisObj = EnsureObject(objectIndex);
thisObj.SetPrototypeOf(this.Realm.GetRuntimeObject(protoHandle));
}
if (typeAttr.Global)
{
globals[typeAttr.Name ?? type.Name] = CreateSharedObjectDescriptor(handle, EcmaPropertyAttributes.Configurable | EcmaPropertyAttributes.Writable);
}
foreach (MemberInfo member in type.GetMembers())
{
// special handling if the type defines an instrinsic contructor
// replace the default object created from EnsureWellKnownObject to InstrincFunction
if (member.HasAttribute(out IntrinsicConstructorAttribute ctorAttr))
{
string ctorName = ctorAttr.Name ?? member.Name;
runtimeObjects[objectIndex] = CreateIntrinsicFunction(ctorName, (MethodInfo)member, ctorAttr.SuperClass as Enum, WellKnownObject.Global, ctorName);
if (IsValidReference(ctorAttr.Prototype, out SharedObjectHandle p1))
{
Dictionary <EcmaPropertyKey, EcmaPropertyDescriptor> hp = properties[ToValidIndex((Enum)ctorAttr.Prototype)];
ht[WellKnownProperty.Prototype] = CreateSharedObjectDescriptor(p1, EcmaPropertyAttributes.None);
hp[WellKnownProperty.Constructor] = CreateSharedObjectDescriptor(handle, EcmaPropertyAttributes.Configurable | EcmaPropertyAttributes.Writable);
}
if (ctorAttr.Global)
{
globals[ctorName] = CreateSharedObjectDescriptor(handle, EcmaPropertyAttributes.DefaultMethodProperty);
}
continue;
}
object[] propAttrs = member.GetCustomAttributes(typeof(IntrinsicMemberAttribute), false);
if (propAttrs.Length > 0)
{
EcmaValue sharedValue = default;
if (member.HasAttribute(out AliasOfAttribute aliasOf) && aliasOf.ObjectType is Enum aliasOfType)
{
EcmaPropertyKey aliasOfKey = aliasOf.Name != null ? (EcmaPropertyKey)aliasOf.Name : aliasOf.Symbol;
if (!properties[ToValidIndex(aliasOfType)].TryGetValue(aliasOfKey, out EcmaPropertyDescriptor descriptor))
{
// for sake of simplicity the aliased target should be defined on intrinsic object with smaller WellKnownObject enum value
// to avoid the need of topological sort
throw new InvalidOperationException();
}
sharedValue = descriptor.Value;
}
if (sharedValue == default)
{
switch (member.MemberType)
{
case MemberTypes.Method:
IntrinsicMemberAttribute propAttr = (IntrinsicMemberAttribute)propAttrs[0];
EcmaPropertyKey name = GetNameFromMember(propAttr, member);
string runtimeName = (propAttr.Getter ? "get " : propAttr.Setter ? "set " : "") + (name.IsSymbol ? "[" + name.Symbol.Description + "]" : name.Name);
sharedValue = this.Container.Add(CreateIntrinsicFunction(runtimeName, (MethodInfo)member, null, typeAttr.ObjectType as Enum, name)).ToValue();
if (propAttr.Overridable)
{
overridables.Add(new SharedObjectKey(typeAttr.ObjectType, name), sharedValue.ToInt32() & 0xFFFF);
}
break;
case MemberTypes.Field:
object fieldValue = ((FieldInfo)member).GetValue(null);
sharedValue = IsValidReference(fieldValue, out SharedObjectHandle p1) ? p1.ToValue() : new EcmaValue(fieldValue);
break;
case MemberTypes.Property:
object propertyValue = ((PropertyInfo)member).GetValue(null, null);
sharedValue = IsValidReference(propertyValue, out SharedObjectHandle p2) ? p2.ToValue() : new EcmaValue(propertyValue);
break;
}
}
foreach (IntrinsicMemberAttribute propAttr in propAttrs)
{
EcmaPropertyKey name = GetNameFromMember(propAttr, member);
if (propAttr.Getter)
{
DefineIntrinsicAccessorProperty(ht, name, sharedValue, propAttr.Attributes, true);
}
else if (propAttr.Setter)
{
DefineIntrinsicAccessorProperty(ht, name, sharedValue, propAttr.Attributes, false);
}
else if (member.MemberType != MemberTypes.Method)
{
DefineIntrinsicDataProperty(ht, name, sharedValue, propAttr.Attributes);
}
else
{
DefineIntrinsicMethodProperty(ht, name, sharedValue, propAttr.Attributes);
if (propAttr.Global)
{
DefineIntrinsicMethodProperty(globals, name, sharedValue, propAttr.Attributes);
}
}
}
}
}
}
public bool HasProperty(EcmaValueHandle handle, EcmaPropertyKey name)
{
throw new InvalidOperationException();
}
public bool TrySet(EcmaValueHandle handle, EcmaPropertyKey name, EcmaValue value)
{
throw new InvalidOperationException();
}
public bool HasOwnProperty(EcmaValueHandle handle, EcmaPropertyKey name)
{
return(binder.HasOwnProperty(value, name));
}
public DataPropertyConstraint(EcmaPropertyKey name, EcmaValue?value, EcmaPropertyAttributes attributes)
{
this.name = name;
this.attributes = attributes;
this.expected = value;
}
public EcmaValue this[IStaticModifier staticModifier, PropertyDefinitionType type, EcmaPropertyKey key] {
set {
Guard.ArgumentNotNull(staticModifier, "staticModifier");
if (staticModifier.IsStatic)
{
EnsureBuilder(ref staticProperties).Add(new PropertyDefinition(type, key, value));
}
else
{
this[type, key] = value;
}
}
}
public EcmaValue this[EcmaValue key] {
get { return(this[EcmaPropertyKey.FromValue(key)]); }
set { this[EcmaPropertyKey.FromValue(key)] = value; }
}
public EcmaValue this[PropertyDefinitionType type, EcmaPropertyKey key] {
set { EnsureBuilder(ref properties).Add(new PropertyDefinition(type, key, value)); }
}
public static EcmaValue GetOwnPropertyDescriptor(EcmaValue target, EcmaValue key)
{
Guard.ArgumentIsObject(target);
EcmaPropertyDescriptor descriptor = target.ToObject().GetOwnProperty(EcmaPropertyKey.FromValue(key));
return(descriptor != null?descriptor.ToValue() : default);
public static EcmaValue Has(EcmaValue target, EcmaValue key)
{
Guard.ArgumentIsObject(target);
return(target.ToObject().HasProperty(EcmaPropertyKey.FromValue(key)));
}
private RuntimeFunction CreateIntrinsicFunction(string name, MethodInfo method, Enum superClass, Enum parentObjectType, EcmaPropertyKey propertyKey)
{
RuntimeFunction fn = parentObjectType is WellKnownObject knownObject ? new IntrinsicFunction(name, method, knownObject, propertyKey) : new NativeRuntimeFunction(name, method, true);
if (IsValidReference(superClass, out SharedObjectHandle handle))
{
fn.SetPrototypeOf(this.Realm.GetRuntimeObject(handle));
}
return(fn);
}
public static bool CreateMethodProperty(this RuntimeObject obj, EcmaPropertyKey propertyKey, EcmaValue value)
{
Guard.ArgumentNotNull(obj, "obj");
return(obj.DefineOwnProperty(propertyKey, new EcmaPropertyDescriptor(value, EcmaPropertyAttributes.DefaultMethodProperty)));
}
public SharedObjectKey(object objectType, EcmaPropertyKey name)
{
Guard.ArgumentNotNull(objectType, "objectType");
this.ObjectType = objectType;
this.Name = name;
}
public bool TrySet(EcmaValueHandle handle, EcmaPropertyKey name, EcmaValue value)
{
return(binder.TrySet(this.value, name, value));
}
public EcmaValue this[EcmaPropertyKey index] {
get { return(Get(index, this)); }
set { Set(index, value, this); }
}
public static bool IsIntrinsicFunction(this RuntimeObject obj, WellKnownObject type, EcmaPropertyKey name)
{
if (obj is IntrinsicFunction fn)
{
return(fn.IsIntrinsicFunction(type, name));
}
Guard.ArgumentNotNull(obj, "obj");
if (!obj.IsCallable)
{
return(false);
}
RuntimeObject sourceObj = RuntimeRealm.SharedRealm.GetRuntimeObject(type).GetMethod(name);
return(obj.Realm.ResolveRuntimeObjectInRealm(sourceObj) == obj);
}
public EcmaValue Get(EcmaPropertyKey propertyKey)
{
return(Get(propertyKey, this));
}
public RuntimeFunctionInjectionAttribute(WellKnownObject type, WellKnownSymbol property)
{
this.Type = type;
this.Name = property;
}
