public static AbstractExpression NEWARRAY(TypeMember elementType, params AbstractExpression[] items)
{
var context = GetContextOrThrow();
return(PushExpression(new NewArrayExpression {
//TODO: populate Type
ElementType = elementType,
Length = AbstractExpression.FromValue(items.Length),
DimensionInitializerValues = new List <List <AbstractExpression> > {
items.Select(PopExpression).ToList()
}
}));
}
public AbstractExpression GetConstantExpression(object value)
{
return(AbstractExpression.FromValue(value, resolveType: this.FindType));
}
private AbstractExpression GetConstantExpression(object value)
{
return(AbstractExpression.FromValue(value, ResolveType));
}
public AbstractExpression GetConstantExpression(object value)
{
return(AbstractExpression.FromValue(value, resolveType: t => GetType(t, distance: 0)));
}
public static AbstractExpression JSON(object value)
{
if (value == null)
{
return(ConstantExpression.Null);
}
else if (value is AbstractExpression expression)
{
return(expression);
}
else if (value is IList list)
{
return(JsonOfArray(list));
}
else if (value is IDictionary dictionary)
{
return(JsonOfDictionary(dictionary));
}
else if (!IsScalar(value))
{
return(JsonOfObject(value));
}
else
{
return(new ConstantExpression {
Value = value
});
}
bool IsScalar(object obj)
{
var clrType = obj.GetType();
return(clrType.IsPrimitive || clrType.IsEnum || obj is string);
}
AbstractExpression JsonOfArray(IList list)
{
var arrayItems = list
.Cast <object>()
.Select(x => JSON(x))
.ToList();
return(new NewArrayExpression {
Length = AbstractExpression.FromValue(list.Count),
DimensionInitializerValues = new List <List <AbstractExpression> > {
arrayItems
}
});
}
AbstractExpression JsonOfDictionary(IDictionary dictionary)
{
return(new ObjectInitializerExpression {
PropertyValues = dictionary.Keys
.Cast <object>()
.Select(key => new NamedPropertyValue {
Name = key.ToString(),
Value = JSON(dictionary[key])
}).ToList()
});
}
AbstractExpression JsonOfObject(object obj)
{
var properties = obj.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
var propertyValues = properties.Select(p => new NamedPropertyValue {
Name = new IdentifierName(p.Name, language: null, style: CasingStyle.Pascal),
Value = JSON(p.GetValue(obj))
}).ToList();
return(new ObjectInitializerExpression {
PropertyValues = propertyValues
});
}
}
