ClearScript/ClearScript/ScriptEngineException.cs at master · angelv048/ClearScript · GitHub

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// Licensed under the MIT license.

using System;

using System.Runtime.Serialization;

using Microsoft.ClearScript.Util;

namespace Microsoft.ClearScript

{

/// <summary>

/// The exception that is thrown when an error occurs during script execution or script object access.

/// </summary>

[Serializable]

public class ScriptEngineException : InvalidOperationException, IScriptEngineException

{

private readonly string engineName;

private const string engineNameItemName = "ScriptEngineName";

private readonly string errorDetails;

private const string errorDetailsItemName = "ScriptErrorDetails";

private readonly bool isFatal;

private const string isFatalItemName = "IsFatal";

private readonly bool executionStarted;

private const string executionStartedItemName = "ExecutionStarted";

private readonly object scriptException;

private const string defaultMessage = "An error occurred during script execution";

#region constructors

/// <summary>

/// Initializes a new <c><see cref="ScriptEngineException"/></c> instance.

/// </summary>

public ScriptEngineException()

: base(defaultMessage)

{

errorDetails = base.Message;

}

/// <summary>

/// Initializes a new <c><see cref="ScriptEngineException"/></c> with the specified error message.

/// </summary>

/// <param name="message">The error message.</param>

public ScriptEngineException(string message)

: base(message.ToNonBlank(defaultMessage))

{

errorDetails = base.Message;

}

/// <summary>

/// Initializes a new <c><see cref="ScriptEngineException"/></c> with the specified error message and nested exception.

/// </summary>

/// <param name="message">The error message.</param>

/// <param name="innerException">The exception that caused the current exception to be thrown.</param>

public ScriptEngineException(string message, Exception innerException)

: base(message.ToNonBlank(defaultMessage), innerException)

{

errorDetails = base.Message;

}

/// <summary>

/// Initializes a new <c><see cref="ScriptEngineException"/></c> with serialized data.

/// </summary>

/// <param name="info">The object that holds the serialized data.</param>

/// <param name="context">The contextual information about the source or destination.</param>

protected ScriptEngineException(SerializationInfo info, StreamingContext context)

: base(info, context)

{

engineName = info.GetString(engineNameItemName);

errorDetails = info.GetString(errorDetailsItemName);

isFatal = info.GetBoolean(isFatalItemName);

executionStarted = info.GetBoolean(executionStartedItemName);

}

internal ScriptEngineException(string engineName, string message, string errorDetails, int errorCode, bool isFatal, bool executionStarted, object scriptException, Exception innerException)

: base(message.ToNonBlank(defaultMessage), innerException)

{

this.engineName = engineName;

this.errorDetails = errorDetails.ToNonBlank(base.Message);

this.isFatal = isFatal;

this.executionStarted = executionStarted;

this.scriptException = scriptException;

if (errorCode != 0)

{

HResult = errorCode;

}

#endregion

#region IScriptEngineException implementation

/// <summary>

/// Gets an <c><see href="http://en.wikipedia.org/wiki/HRESULT">HRESULT</see></c> error code if one is available, zero otherwise.

/// </summary>

int IScriptEngineException.HResult => HResult;

/// <summary>

/// Gets the name associated with the script engine instance.

/// </summary>

public string EngineName => engineName;

/// <summary>

/// Gets a detailed error message if one is available, <c>null</c> otherwise.

/// </summary>

public string ErrorDetails => errorDetails;

/// <summary>

/// Gets a value that indicates whether the exception represents a fatal error.

/// </summary>

public bool IsFatal => isFatal;

/// <summary>

/// Gets a value that indicates whether script code execution had started before the current exception was thrown.

/// </summary>

public bool ExecutionStarted => executionStarted;

/// <summary>

/// Gets the script exception that caused the current exception to be thrown, or <c>null</c> if one was not specified.

/// </summary>

public dynamic ScriptException => scriptException;

/// <summary>

/// Gets the script exception that caused the current exception to be thrown, or <c>null</c> if one was not specified, without engaging the dynamic infrastructure.

/// </summary>

public object ScriptExceptionAsObject => scriptException;

#endregion

#region Object overrides

/// <summary>

/// Returns a string that represents the current exception.

/// </summary>

/// <returns>A string that represents the current exception.</returns>

public override string ToString()

{

var result = base.ToString();

if (!string.IsNullOrEmpty(errorDetails) && (errorDetails != Message))

{

var details = " " + errorDetails.Replace("\n", "\n ");

result += "\n --- Script error details follow ---\n" + details;

}

return result;

}

#endregion

#region InvalidOperationException overrides

/// <summary>

/// Populates a <c><see cref="SerializationInfo"/></c> with the data needed to serialize the target object.

/// </summary>

/// <param name="info">The <c><see cref="SerializationInfo"/></c> to populate with data.</param>

/// <param name="context">The destination (see <c><see cref="StreamingContext"/></c>) for this serialization.</param>

public override void GetObjectData(SerializationInfo info, StreamingContext context)

{

base.GetObjectData(info, context);

info.AddValue(engineNameItemName, engineName);

info.AddValue(errorDetailsItemName, errorDetails);

info.AddValue(isFatalItemName, isFatal);

info.AddValue(executionStartedItemName, executionStarted);

}

#endregion

}

ClearScript/ClearScript/ScriptEngineException.cs at master · angelv048/ClearScript · GitHub

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