public static EcmaValue ArrayPrototypeToLocaleString([This] EcmaValue thisValue, EcmaValue locales, EcmaValue options)
{
RuntimeObject obj = thisValue.ToObject();
long length = obj.Get(WellKnownProperty.Length).ToLength();
if (length == 0)
{
return(String.Empty);
}
StringBuilder sb = new StringBuilder();
for (long i = 0; i < length; i++)
{
if (i > 0)
{
sb.Append(",");
}
EcmaValue item = obj.Get(i);
if (!item.IsNullOrUndefined)
{
sb.Append(item.Invoke("toLocaleString", locales, options).ToStringOrThrow());
}
}
return(sb.ToString());
}
public static EcmaValue Join([This] EcmaValue thisValue, EcmaValue separater)
{
RuntimeObject obj = thisValue.ToObject();
long length = obj.Get(WellKnownProperty.Length).ToLength();
if (length == 0)
{
return(String.Empty);
}
string sep = separater.Type == EcmaValueType.Undefined ? "," : separater.ToString();
StringBuilder sb = new StringBuilder();
for (long i = 0; i < length; i++)
{
if (i > 0)
{
sb.Append(sep);
}
EcmaValue item = obj.Get(i);
if (!item.IsNullOrUndefined)
{
sb.Append(item.ToStringOrThrow());
}
}
return(sb.ToString());
}
public bool MoveNext()
{
if (++nextIndex < target.Get(WellKnownProperty.Length).ToLength())
{
this.Current = new KeyValuePair <EcmaValue, EcmaValue>(nextIndex, target.Get(nextIndex));
return(true);
}
return(false);
}
public static EcmaValue Get(EcmaValue target, EcmaValue key, EcmaValue?receiver = default)
{
Guard.ArgumentIsObject(target);
RuntimeObject obj = target.ToObject();
return(obj.Get(EcmaPropertyKey.FromValue(key), receiver.HasValue ? receiver.Value.ToObject() : obj));
}
private void SerializeJsonProperty(TextWriter writer, Stack <RuntimeObject> stack, RuntimeObject holder, EcmaPropertyKey property)
{
EcmaValue value = TransformValue(holder, property, holder.Get(property));
if (value.Type != EcmaValueType.Undefined)
{
WritePropertyValue(writer, stack, value);
}
}
public static EcmaValue From([This] EcmaValue thisValue, EcmaValue source, EcmaValue mapFn, EcmaValue thisArg)
{
if (!thisValue.IsCallable || !thisValue.ToObject().IsConstructor)
{
throw new EcmaTypeErrorException(InternalString.Error.NotConstructor);
}
if (mapFn != default)
{
Guard.ArgumentIsCallable(mapFn);
}
if (source.IsNullOrUndefined)
{
return(thisValue.Construct(0));
}
RuntimeObject obj = source.ToObject();
RuntimeObject iterator = obj.GetMethod(WellKnownSymbol.Iterator);
TypedArray array;
if (iterator != null)
{
List <EcmaValue> values = new List <EcmaValue>(obj.GetIterator());
array = thisValue.Construct(values.Count).GetUnderlyingObject <TypedArray>();
if (array.Length < values.Count)
{
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayBufferTooSmall);
}
int i = 0;
foreach (EcmaValue v in values)
{
EcmaValue value = v;
if (mapFn != default)
{
value = mapFn.Call(thisArg, value, i);
}
array.Set(i++, value);
}
}
else
{
long length = source[WellKnownProperty.Length].ToLength();
array = thisValue.Construct(length).GetUnderlyingObject <TypedArray>();
if (array.Length < length)
{
throw new EcmaTypeErrorException(InternalString.Error.TypedArrayBufferTooSmall);
}
for (int i = 0; i < length; i++)
{
EcmaValue value = obj.Get(i);
if (mapFn != default)
{
value = mapFn.Call(thisArg, value, i);
}
array.Set(i, value);
}
}
return(array);
}
private void SerializeJsonArray(TextWriter writer, Stack <RuntimeObject> stack, RuntimeObject value)
{
if (stack.Contains(value))
{
throw new EcmaTypeErrorException(InternalString.Error.CircularJsonObject);
}
string prependString = String.Join("", stack.Select(v => indentString).ToArray());
stack.Push(value);
writer.Write("[");
long length = value.Get(WellKnownProperty.Length).ToLength();
for (long i = 0; i < length; i++)
{
if (i > 0)
{
writer.Write(",");
}
if (indentString != String.Empty)
{
writer.Write(Environment.NewLine);
writer.Write(prependString);
writer.Write(indentString);
}
EcmaValue item = value.Get(i);
if (item.Type == EcmaValueType.Undefined)
{
writer.Write("null");
}
else
{
SerializeJsonProperty(writer, stack, value, i);
}
}
if (length > 0 && indentString != String.Empty)
{
writer.Write(Environment.NewLine);
writer.Write(prependString);
}
writer.Write("]");
stack.Pop();
}
private void SerializeJsonObject(TextWriter writer, Stack <RuntimeObject> stack, RuntimeObject value)
{
bool hasEntries = false;
string prependString = String.Join("", stack.Select(v => indentString).ToArray());
if (stack.Contains(value))
{
throw new EcmaTypeErrorException(InternalString.Error.CircularJsonObject);
}
stack.Push(value);
writer.Write("{");
List <EcmaPropertyEntry> entries = new List <EcmaPropertyEntry>();
if (propertyList != null)
{
entries.AddRange(propertyList.Select(v => new EcmaPropertyEntry(v, value.Get(v))));
}
else
{
entries.AddRange(value.GetEnumerableOwnProperties(false));
}
foreach (EcmaPropertyEntry e in entries)
{
EcmaValue v = TransformValue(value, e.Key, e.Value);
if (v.Type != EcmaValueType.Undefined)
{
if (hasEntries)
{
writer.Write(",");
}
hasEntries = true;
if (indentString != String.Empty)
{
writer.Write(Environment.NewLine);
writer.Write(prependString);
writer.Write(indentString);
}
WriteString(writer, e.Key.ToString());
writer.Write(":");
if (indentString != String.Empty)
{
writer.Write(" ");
}
WritePropertyValue(writer, stack, v);
}
}
if (hasEntries && indentString != String.Empty)
{
writer.Write(Environment.NewLine);
writer.Write(prependString);
}
writer.Write("}");
stack.Pop();
}
public static EcmaValue Pop([This] EcmaValue thisValue)
{
RuntimeObject obj = thisValue.ToObject();
if (obj is EcmaArray arr && !arr.FallbackMode)
{
return(arr.Pop());
}
long len = obj.Get(WellKnownProperty.Length).ToLength();
if (len == 0)
{
obj.SetOrThrow(WellKnownProperty.Length, 0);
return(default);
private static EcmaValue InternalizeJsonProperty(RuntimeObject holder, EcmaPropertyKey property, EcmaValue reviver)
{
EcmaValue value = holder.Get(property);
if (value.Type == EcmaValueType.Object)
{
RuntimeObject obj = value.ToObject();
if (EcmaArray.IsArray(value))
{
for (long i = 0, length = value[WellKnownProperty.Length].ToLength(); i < length; i++)
{
EcmaValue newValue = InternalizeJsonProperty(obj, i, reviver);
if (newValue.Type == EcmaValueType.Undefined)
{
obj.Delete(i);
}
else
{
obj.CreateDataProperty(i, newValue);
}
}
}
else
{
foreach (EcmaPropertyKey key in obj.GetEnumerableOwnPropertyKeys().ToArray())
{
EcmaValue newValue = InternalizeJsonProperty(obj, key, reviver);
if (newValue.Type == EcmaValueType.Undefined)
{
obj.Delete(key);
}
else
{
obj.CreateDataProperty(key, newValue);
}
}
}
}
return(reviver.Call(holder, property.ToValue(), value));
}
