CUE Design Director Script Language - Manual (Page 6)

Reference Manual Design Director Script Language
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2.3. Expressions
A term is a language construction, which describes the value calculation. Among expressions we
distinguish a distinctive type of expressions – Iexpressions. They are such expressions where it is
explicitly stated where the value comes from, that is where the value is stored i.e. the name of the
parameter.
These expressions can be consecutively used even for the place determination where the value of a
different term should be stored.
2.3.1. Data types
The allowed expression type constructions differ from the expression type. According to the resulting
expression value.
The expression types of the language are:
• object – the expression value is a reference to an object
• uint – the expression value is an unsigned integer number
• string – the expression value is a string – that means a text string
• callable - the expression value is a reference to callable code or a method.
2.3.2. Expression type Object
Notation
Notation of expression type Object:
Expression_Type_Object -> noobject | variable_type_object | (Expression_Type_Object)
| Reference_To_Item_Type_Object | Item_Collection_Type_Object
where:
• noobject – the value marks empty i.e. non-existing object.
• variable type object - it is the name of the variable declared as a type object. Except variables
explicitly declared there are implicitly declared variables for the following objects:
• Me – in every event there is automatically defined variable that refers to an object
whose event has been called.
• System objects – the name of the variable equals to a name type. More about system
objects in the following chapter.
• Object type BitmapObject, FontObject, GroupObject, PageObject, PanelObject and
WindowObject – the variables for all are automatically declared – the name equals to
an object name as it is determined in the design environment.