public char ToChar()
{
switch (ValueType)
{
case ValueTypes.Undefined: return(Runtime.Instance.DefaultDUndefined.ToChar());
case ValueTypes.String: return(DObjectValue.ToChar());
case ValueTypes.Char: return(CharValue);
//case ValueTypes.Boolean: return (BoolValue? '1':'\0');
//case ValueTypes.Float: return FloatValue != 0.0;
//case ValueTypes.Double: return DoubleValue != 0.0;
//case ValueTypes.Int8: return Int8Value != 0;
//case ValueTypes.Int16: return Int16Value != 0;
//case ValueTypes.Int32: return Int32Value != 0;
//case ValueTypes.Int64: return Int64Value != 0;
//case ValueTypes.UInt8: return UInt8Value != 0;
//case ValueTypes.UInt16: return UInt16Value != 0;
//case ValueTypes.UInt32: return UInt32Value != 0;
//case ValueTypes.UInt64: return UInt64Value != 0;
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
return(DObjectValue.ToChar());
case ValueTypes.Null: return(Runtime.Instance.DefaultDNull.ToChar());
//case ValueTypes.Property: return DObjectValue.ToBoolean();
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to Char (UInt16)", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToChar());
}
public DArray ToDArray()
{
switch (ValueType)
{
case ValueTypes.Array:
case ValueTypes.Object:
case ValueTypes.Property:
return(DObjectValue.ToDArray());
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to array", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToDArray());
}
public DFunction ToDFunction()
{
if (DObjectValue != null)
{
return(DObjectValue.ToDFunction());
}
else
{
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to function", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToDFunction());
}
}
public ulong ToUInt64()
{
switch (ValueType)
{
case ValueTypes.Undefined: return(Runtime.Instance.DefaultDUndefined.ToUInt64());
case ValueTypes.String: return(DObjectValue.ToUInt64());
case ValueTypes.Char: return(CharValue);
case ValueTypes.Boolean: return(BooleanValue ? 1UL : 0UL);
case ValueTypes.Float: return((ulong)FloatValue);
case ValueTypes.Double: return((ulong)DoubleValue);
case ValueTypes.Int8: return((ulong)Int8Value);
case ValueTypes.Int16: return((ulong)Int16Value);
case ValueTypes.Int32: return((ulong)Int32Value);
case ValueTypes.Int64: return((ulong)Int64Value);
case ValueTypes.UInt8: return(UInt8Value);
case ValueTypes.UInt16: return(UInt16Value);
case ValueTypes.UInt32: return(UInt32Value);
case ValueTypes.UInt64: return(UInt64Value);
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
return(DObjectValue.ToUInt64());
case ValueTypes.Null: return(Runtime.Instance.DefaultDNull.ToUInt64());
//case ValueTypes.Property:
//default:
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to UInt64", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToUInt64());
}
public int ToInt32()
{
switch (ValueType)
{
case ValueTypes.Undefined: return(Runtime.Instance.DefaultDUndefined.ToInt32());
case ValueTypes.String: return(DObjectValue.ToInt32());
case ValueTypes.Char: return(CharValue);
case ValueTypes.Boolean: return(BooleanValue ? 1 : 0);
case ValueTypes.Float: return((int)(uint)FloatValue);
case ValueTypes.Double: return((int)(uint)DoubleValue); //if we don't convert to uint first, we might get the boundary numbers (e.g. 0xffffffff) wrong!
case ValueTypes.Int8: return(Int8Value);
case ValueTypes.Int16: return(Int16Value);
case ValueTypes.Int32: return(Int32Value);
case ValueTypes.Int64: return((int)Int64Value);
case ValueTypes.UInt8: return(UInt8Value);
case ValueTypes.UInt16: return(UInt16Value);
case ValueTypes.UInt32: return((int)UInt32Value);
case ValueTypes.UInt64: return((int)UInt64Value);
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
return(DObjectValue.ToInt32());
case ValueTypes.Null: return(Runtime.Instance.DefaultDNull.ToInt32());
//case ValueTypes.Property:
//default:
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to Int32", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToInt32());
}
public bool ToBoolean()
{
switch (ValueType)
{
case ValueTypes.Undefined: return(Runtime.Instance.DefaultDUndefined.ToBoolean());
case ValueTypes.String: return(DObjectValue.ToBoolean());
case ValueTypes.Char: return(CharValue != '\0');
case ValueTypes.Boolean: return(BooleanValue);
case ValueTypes.Float: return(FloatValue != 0.0 && !float.IsNaN(FloatValue));
case ValueTypes.Double: return(DoubleValue != 0.0 && !double.IsNaN(DoubleValue));
case ValueTypes.Int8: return(Int8Value != 0);
case ValueTypes.Int16: return(Int16Value != 0);
case ValueTypes.Int32: return(Int32Value != 0);
case ValueTypes.Int64: return(Int64Value != 0);
case ValueTypes.UInt8: return(UInt8Value != 0);
case ValueTypes.UInt16: return(UInt16Value != 0);
case ValueTypes.UInt32: return(UInt32Value != 0);
case ValueTypes.UInt64: return(UInt64Value != 0);
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
Debug.Assert(DObjectValue != null, "Invalid situation! DObject cannot be null here!");
return(true);
case ValueTypes.Null: return(Runtime.Instance.DefaultDNull.ToBoolean());
//case ValueTypes.Property: return DObjectValue.ToBoolean();
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to Boolean", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToBoolean());
}
public double ToDouble()
{
switch (ValueType)
{
case ValueTypes.Undefined: return(Runtime.Instance.DefaultDUndefined.ToDouble());
case ValueTypes.String: return(DObjectValue.ToDouble());
case ValueTypes.Char: return(CharValue);
case ValueTypes.Boolean: return(BooleanValue ? 1 : 0);
case ValueTypes.Float: return(FloatValue);
case ValueTypes.Double: return(DoubleValue);
case ValueTypes.Int8: return(Int8Value);
case ValueTypes.Int16: return(Int16Value);
case ValueTypes.Int32: return(Int32Value);
case ValueTypes.Int64: return(Int64Value);
case ValueTypes.UInt8: return(UInt8Value);
case ValueTypes.UInt16: return(UInt16Value);
case ValueTypes.UInt32: return(UInt32Value);
case ValueTypes.UInt64: return(UInt64Value);
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
return(DObjectValue.ToDouble());
case ValueTypes.Null: return(Runtime.Instance.DefaultDNull.ToDouble());
}
Trace.Fail(new InvalidOperationException(string.Format("Cannot convert {0} to Double", ValueType)));
return(Runtime.Instance.DefaultDUndefined.ToDouble());
}
public string GetTypeOf()
{
switch (ValueType)
{
case ValueTypes.Undefined:
return("undefined");
case ValueTypes.String:
return("string");
case ValueTypes.Boolean:
return("boolean");
case ValueTypes.Char: //=UInt16
case ValueTypes.Float:
case ValueTypes.Double:
case ValueTypes.Int8:
case ValueTypes.Int16:
case ValueTypes.Int32:
case ValueTypes.Int64:
case ValueTypes.UInt8:
case ValueTypes.UInt16:
case ValueTypes.UInt32:
case ValueTypes.UInt64:
return("number");
case ValueTypes.Object:
case ValueTypes.Function:
case ValueTypes.Array:
case ValueTypes.Null:
case ValueTypes.Property:
return(DObjectValue.GetTypeOf()); // "object";
default:
Trace.Fail(new InvalidOperationException(string.Format("Cannot get typeof {0}", ValueType)));
break;
}
return(Runtime.Instance.DefaultDUndefined.GetTypeOf());
}
