Class AsyncEvaluationVisitor

Namespace

NCalc.Visitors

Assembly

NCalc.Async.dll

Class responsible to asynchronous evaluating LogicalExpression objects into CLR objects.

public class AsyncEvaluationVisitor : ILogicalExpressionVisitor<ValueTask<object?>>

Inheritance

object

AsyncEvaluationVisitor

Implements

ILogicalExpressionVisitor<ValueTask<object>>

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Constructors

AsyncEvaluationVisitor(AsyncExpressionContext)

Class responsible to asynchronous evaluating LogicalExpression objects into CLR objects.

public AsyncEvaluationVisitor(AsyncExpressionContext context)

Parameters

context AsyncExpressionContext

Contextual parameters of the LogicalExpression, like custom functions and parameters.

Methods

Compare(object?, object?, ComparisonType)

protected bool Compare(object? a, object? b, ComparisonType comparisonType)

Parameters

a object

b object

comparisonType ComparisonType

Returns

bool

EvaluateAsync(LogicalExpression, CancellationToken)

protected ValueTask<object?> EvaluateAsync(LogicalExpression expression, CancellationToken ct = default)

Parameters

expression LogicalExpression

ct CancellationToken

Returns

ValueTask<object>

OnEvaluateFunctionAsync(string, AsyncFunctionArgs)

protected ValueTask OnEvaluateFunctionAsync(string name, AsyncFunctionArgs args)

Parameters

name string

args AsyncFunctionArgs

Returns

ValueTask

OnEvaluateParameterAsync(string, AsyncParameterArgs)

protected ValueTask OnEvaluateParameterAsync(string name, AsyncParameterArgs args)

Parameters

name string

args AsyncParameterArgs

Returns

ValueTask

Visit(BinaryExpression, CancellationToken)

public virtual ValueTask<object?> Visit(BinaryExpression expression, CancellationToken ct = default)

Parameters

expression BinaryExpression

ct CancellationToken

Returns

ValueTask<object>

Visit(Function, CancellationToken)

public virtual ValueTask<object?> Visit(Function function, CancellationToken ct = default)

Parameters

function Function

ct CancellationToken

Returns

ValueTask<object>

Visit(Identifier, CancellationToken)

public virtual ValueTask<object?> Visit(Identifier identifier, CancellationToken ct = default)

Parameters

identifier Identifier

ct CancellationToken

Returns

ValueTask<object>

Visit(LogicalExpressionList, CancellationToken)

public virtual ValueTask<object?> Visit(LogicalExpressionList list, CancellationToken ct = default)

Parameters

list LogicalExpressionList

ct CancellationToken

Returns

ValueTask<object>

Visit(TernaryExpression, CancellationToken)

public virtual ValueTask<object?> Visit(TernaryExpression expression, CancellationToken ct = default)

Parameters

expression TernaryExpression

ct CancellationToken

Returns

ValueTask<object>

Visit(UnaryExpression, CancellationToken)

public virtual ValueTask<object?> Visit(UnaryExpression expression, CancellationToken ct = default)

Parameters

expression UnaryExpression

ct CancellationToken

Returns

ValueTask<object>

Visit(ValueExpression, CancellationToken)

public virtual ValueTask<object?> Visit(ValueExpression expression, CancellationToken ct = default)

Parameters

expression ValueExpression

ct CancellationToken

Returns

ValueTask<object>