66 lines
1.8 KiB
C#
66 lines
1.8 KiB
C#
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using System;
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namespace Unity.VisualScripting
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{
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/// <summary>
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/// Throws an exception.
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/// </summary>
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[UnitCategory("Control")]
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[UnitOrder(16)]
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public sealed class Throw : Unit
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{
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/// <summary>
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/// Whether a custom exception object should be specified manually.
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/// </summary>
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[Serialize]
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[Inspectable, UnitHeaderInspectable("Custom")]
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[InspectorToggleLeft]
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public bool custom { get; set; }
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/// <summary>
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/// The entry point to throw the exception.
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/// </summary>
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[DoNotSerialize]
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[PortLabelHidden]
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public ControlInput enter { get; private set; }
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/// <summary>
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/// The message of the exception.
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/// </summary>
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[DoNotSerialize]
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public ValueInput message { get; private set; }
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/// <summary>
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/// The exception to throw.
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/// </summary>
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[DoNotSerialize]
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public ValueInput exception { get; private set; }
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protected override void Definition()
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{
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if (custom)
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{
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enter = ControlInput(nameof(enter), ThrowCustom);
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exception = ValueInput<Exception>(nameof(exception));
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Requirement(exception, enter);
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}
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else
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{
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enter = ControlInput(nameof(enter), ThrowMessage);
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message = ValueInput(nameof(message), string.Empty);
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Requirement(message, enter);
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}
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}
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private ControlOutput ThrowCustom(Flow flow)
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{
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throw flow.GetValue<Exception>(exception);
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}
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private ControlOutput ThrowMessage(Flow flow)
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{
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throw new Exception(flow.GetValue<string>(message));
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}
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}
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}
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