private JsRuntimeException ConvertScriptEngineExceptionToJsRuntimeException(
OriginalJsException scriptEngineException)
{
string errorDetails = scriptEngineException.ErrorDetails;
int lineNumber = 0;
int columnNumber = 0;
Match errorStringMatch = _errorStringRegex.Match(errorDetails);
if (errorStringMatch.Success)
{
GroupCollection errorStringGroups = errorStringMatch.Groups;
lineNumber = int.Parse(errorStringGroups["lineNumber"].Value);
columnNumber = int.Parse(errorStringGroups["columnNumber"].Value);
}
var jsRuntimeException = new JsRuntimeException(errorDetails, ENGINE_NAME, ENGINE_VERSION,
scriptEngineException)
{
LineNumber = lineNumber,
ColumnNumber = columnNumber,
Source = scriptEngineException.Source,
HelpLink = scriptEngineException.HelpLink
};
return(jsRuntimeException);
}
/// <summary>
/// translate script engine exception to message for log
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
private static string getScriptEngineExceptionMessage(Microsoft.ClearScript.ScriptEngineException ex, string scopeDescription)
{
string errorMsg = "Clearscript exception, " + scopeDescription;
errorMsg += "\nex [" + ex.Message + "]";
if (ex.Data.Count > 0)
{
foreach (DictionaryEntry de in ex.Data)
{
errorMsg += "\nkey [" + de.Key.ToString() + "] = [" + de.Value + "]";
}
}
if (ex.ErrorDetails != null)
{
errorMsg += "\n" + ex.ErrorDetails;
}
if (ex.InnerException != null)
{
errorMsg += "\nInner Exception: " + ex.InnerException.ToString();
}
return(errorMsg);
}
private static WrapperException WrapScriptEngineException(OriginalException originalException)
{
WrapperException wrapperException;
string message = originalException.Message;
string messageWithErrorLocation = originalException.ErrorDetails;
string description = message;
string type = string.Empty;
string documentName = string.Empty;
int lineNumber = 0;
int columnNumber = 0;
string callStack = string.Empty;
string sourceFragment = string.Empty;
if (originalException.IsFatal)
{
if (message == "The V8 runtime has exceeded its memory limit")
{
wrapperException = new WrapperRuntimeException(message, EngineName, EngineVersion,
originalException);
}
else
{
wrapperException = new WrapperFatalException(message, EngineName, EngineVersion,
originalException);
}
}
else
{
Match messageWithTypeMatch = _errorMessageWithTypeRegex.Match(message);
if (messageWithTypeMatch.Success)
{
GroupCollection messageWithTypeGroups = messageWithTypeMatch.Groups;
type = messageWithTypeGroups["type"].Value;
description = messageWithTypeGroups["description"].Value;
var errorLocationItems = new ErrorLocationItem[0];
if (message.Length < messageWithErrorLocation.Length)
{
string errorLocation = messageWithErrorLocation
.TrimStart(message)
.TrimStart(new char[] { '\n', '\r' })
;
errorLocationItems = JsErrorHelpers.ParseErrorLocation(errorLocation);
if (errorLocationItems.Length > 0)
{
ErrorLocationItem firstErrorLocationItem = errorLocationItems[0];
documentName = firstErrorLocationItem.DocumentName;
lineNumber = firstErrorLocationItem.LineNumber;
columnNumber = firstErrorLocationItem.ColumnNumber;
string sourceLine = firstErrorLocationItem.SourceFragment;
sourceFragment = TextHelpers.GetTextFragmentFromLine(sourceLine, columnNumber);
firstErrorLocationItem.SourceFragment = sourceFragment;
}
}
WrapperScriptException wrapperScriptException;
if (type == JsErrorType.Syntax)
{
message = JsErrorHelpers.GenerateScriptErrorMessage(type, description, documentName,
lineNumber, columnNumber, sourceFragment);
wrapperScriptException = new WrapperCompilationException(message, EngineName, EngineVersion,
originalException);
}
else
{
callStack = JsErrorHelpers.StringifyErrorLocationItems(errorLocationItems, true);
string callStackWithSourceFragment = JsErrorHelpers.StringifyErrorLocationItems(
errorLocationItems);
message = JsErrorHelpers.GenerateScriptErrorMessage(type, description,
callStackWithSourceFragment);
wrapperScriptException = new WrapperRuntimeException(message, EngineName, EngineVersion,
originalException)
{
CallStack = callStack
};
}
wrapperScriptException.Type = type;
wrapperScriptException.DocumentName = documentName;
wrapperScriptException.LineNumber = lineNumber;
wrapperScriptException.ColumnNumber = columnNumber;
wrapperScriptException.SourceFragment = sourceFragment;
wrapperException = wrapperScriptException;
}
else
{
wrapperException = new WrapperException(message, EngineName, EngineVersion,
originalException);
}
}
wrapperException.Description = description;
return(wrapperException);
}
