Class Evaluator

Inheritance
System.Object
Evaluator
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: NFX.Parsing
Assembly: NFX.dll
Syntax
public sealed class Evaluator

Constructors

Evaluator(String)

Declaration
public Evaluator(string expression)
Parameters
Type Name Description
System.String expression

Properties

Expression

Expression beeing evaluated

Declaration
public string Expression { get; }
Property Value
Type Description
System.String

NoStringsExpression

Expression with all strings replaced with tokens

Declaration
public string NoStringsExpression { get; }
Property Value
Type Description
System.String

Root

Root node of expression evaluation tree

Declaration
public Evaluator.Node Root { get; }
Property Value
Type Description
Evaluator.Node

Methods

Evaluate(IdentifierLookup)

Evaluate expression and return result - either string or numerical value

Declaration
public string Evaluate(IdentifierLookup lookup = null)
Parameters
Type Name Description
IdentifierLookup lookup
Returns
Type Description
System.String

PrintTree()

Returns b-tree traversal in a string form

Declaration
public string PrintTree()
Returns
Type Description
System.String

Events

OnIdentifierLookup

Event which is fired upon leaf token resolution during evaluation, used to resolve host variables

Declaration
public event IdentifierLookup OnIdentifierLookup
Event Type
Type Description
IdentifierLookup

Extension Methods