Class AsyncEvaluationVisitor

Namespace

NCalc.Visitors

Assembly

NCalc.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(AsyncExpression)

public AsyncEvaluationVisitor(AsyncExpression parentExpression)

Parameters

parentExpression AsyncExpression

AsyncEvaluationVisitor(AsyncExpressionContext)

public AsyncEvaluationVisitor(AsyncExpressionContext context)

Parameters

context AsyncExpressionContext

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 cancellationToken = default)

Parameters

expression LogicalExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

OnEvaluateFunctionAsync(string, AsyncFunctionArgs, CancellationToken)

protected ValueTask OnEvaluateFunctionAsync(string name, AsyncFunctionArgs args, CancellationToken cancellationToken = default)

Parameters

name string

args AsyncFunctionArgs

cancellationToken CancellationToken

Returns

ValueTask

OnEvaluateParameterAsync(string, ParameterArgs, CancellationToken)

protected ValueTask OnEvaluateParameterAsync(string name, ParameterArgs args, CancellationToken cancellationToken = default)

Parameters

name string

args ParameterArgs

cancellationToken CancellationToken

Returns

ValueTask

OnUpdateParameterAsync(string, UpdateParameterArgs, CancellationToken)

protected ValueTask OnUpdateParameterAsync(string name, UpdateParameterArgs args, CancellationToken cancellationToken = default)

Parameters

name string

args UpdateParameterArgs

cancellationToken CancellationToken

Returns

ValueTask

SetTaskValue(ExpressionTask<ValueTask<object?>>, object?)

protected object? SetTaskValue(ExpressionTask<ValueTask<object?>> task, object? value)

Parameters

task ExpressionTask<ValueTask<object>>

value object

Returns

object

Visit(BinaryExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

expression BinaryExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(BinaryExpression, CancellationToken)

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

Parameters

expression BinaryExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(ExpressionGroup, ExpressionTask<ValueTask<object?>>, CancellationToken)

public virtual ValueTask<object?> Visit(ExpressionGroup group, ExpressionTask<ValueTask<object?>> task, CancellationToken cancellationToken = default)

Parameters

group ExpressionGroup

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(ExpressionGroup, CancellationToken)

public ValueTask<object?> Visit(ExpressionGroup group, CancellationToken cancellationToken = default)

Parameters

group ExpressionGroup

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(FunctionCall, ExpressionTask<ValueTask<object?>>, CancellationToken)

public virtual ValueTask<object?> Visit(FunctionCall function, ExpressionTask<ValueTask<object?>> task, CancellationToken cancellationToken = default)

Parameters

function FunctionCall

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(FunctionCall, CancellationToken)

public virtual ValueTask<object?> Visit(FunctionCall functionCall, CancellationToken cancellationToken = default)

Parameters

functionCall FunctionCall

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(FunctionExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

public virtual ValueTask<object?> Visit(FunctionExpression expression, ExpressionTask<ValueTask<object?>> task, CancellationToken cancellationToken = default)

Parameters

expression FunctionExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(FunctionExpression, CancellationToken)

public virtual ValueTask<object?> Visit(FunctionExpression expression, CancellationToken cancellationToken = default)

Parameters

expression FunctionExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(Identifier, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

identifier Identifier

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(Identifier, CancellationToken)

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

Parameters

identifier Identifier

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(LogicalExpressionList, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

list LogicalExpressionList

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(LogicalExpressionList, CancellationToken)

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

Parameters

list LogicalExpressionList

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(PercentExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

public virtual ValueTask<object?> Visit(PercentExpression expression, ExpressionTask<ValueTask<object?>> task, CancellationToken cancellationToken = default)

Parameters

expression PercentExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(PercentExpression, CancellationToken)

public virtual ValueTask<object?> Visit(PercentExpression expression, CancellationToken cancellationToken = default)

Parameters

expression PercentExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(StatementSequence, ExpressionTask<ValueTask<object?>>, CancellationToken)

public virtual ValueTask<object?> Visit(StatementSequence seq, ExpressionTask<ValueTask<object?>> task, CancellationToken cancellationToken = default)

Parameters

seq StatementSequence

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(StatementSequence, CancellationToken)

public virtual ValueTask<object?> Visit(StatementSequence seq, CancellationToken cancellationToken = default)

Parameters

seq StatementSequence

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(TernaryExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

expression TernaryExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(TernaryExpression, CancellationToken)

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

Parameters

expression TernaryExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(UnaryExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

expression UnaryExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(UnaryExpression, CancellationToken)

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

Parameters

expression UnaryExpression

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(ValueExpression, ExpressionTask<ValueTask<object?>>, CancellationToken)

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

Parameters

expression ValueExpression

task ExpressionTask<ValueTask<object>>

cancellationToken CancellationToken

Returns

ValueTask<object>

Visit(ValueExpression, CancellationToken)

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

Parameters

expression ValueExpression

cancellationToken CancellationToken

Returns

ValueTask<object>