Class Expression

Inheritance
Object
Expression
Namespace: Unity.VisualScripting.Dependencies.NCalc
Syntax
public class Expression

Constructors

Expression(String, EvaluateOptions)

Declaration
public Expression(string expression, EvaluateOptions options = EvaluateOptions.None)
Parameters
Type Name Description
String expression
EvaluateOptions options

Expression(LogicalExpression, EvaluateOptions)

Declaration
public Expression(LogicalExpression expression, EvaluateOptions options = EvaluateOptions.None)
Parameters
Type Name Description
LogicalExpression expression
EvaluateOptions options

Fields

OriginalExpression

Textual representation of the expression to evaluate.

Declaration
protected readonly string OriginalExpression
Field Value
Type Description
String

ParameterEnumerators

Declaration
protected Dictionary<string, IEnumerator> ParameterEnumerators
Field Value
Type Description
Dictionary<String, IEnumerator>

Properties

CacheEnabled

Declaration
public static bool CacheEnabled { get; set; }
Property Value
Type Description
Boolean

Error

Declaration
public string Error { get; }
Property Value
Type Description
String

Options

Declaration
public EvaluateOptions Options { get; set; }
Property Value
Type Description
EvaluateOptions

Parameters

Declaration
public Dictionary<string, object> Parameters { get; set; }
Property Value
Type Description
Dictionary<String, Object>

ParsedExpression

Declaration
public LogicalExpression ParsedExpression { get; }
Property Value
Type Description
LogicalExpression

Methods

Compile(String, Boolean)

Declaration
public static LogicalExpression Compile(string expression, bool noCache)
Parameters
Type Name Description
String expression
Boolean noCache
Returns
Type Description
LogicalExpression

Evaluate(Flow)

Declaration
public object Evaluate(Flow flow)
Parameters
Type Name Description
Flow flow
Returns
Type Description
Object

HasErrors()

Pre-compiles the expression in order to check syntax errors. If errors are detected, the Error property contains the message.

Declaration
public bool HasErrors()
Returns
Type Description
Boolean

True if the expression syntax is correct, otherwise false

UpdateUnityTimeParameters()

Declaration
public void UpdateUnityTimeParameters()

Events

EvaluateFunction

Declaration
public event EvaluateFunctionHandler EvaluateFunction
Event Type
Type Description
EvaluateFunctionHandler

EvaluateParameter

Declaration
public event EvaluateParameterHandler EvaluateParameter
Event Type
Type Description
EvaluateParameterHandler

Extension Methods