/// <summary>
/// Parses a string representation of the script error location to produce an array of
/// <see cref="ErrorLocationItem"/> instances
/// </summary>
/// <param name="errorLocation">String representation of the script error location</param>
/// <returns>An array of <see cref="ErrorLocationItem"/> instances</returns>
public static ErrorLocationItem[] ParseErrorLocation(string errorLocation)
{
if (string.IsNullOrWhiteSpace(errorLocation))
{
return(new ErrorLocationItem[0]);
}
var errorLocationItems = new List <ErrorLocationItem>();
string[] lines = errorLocation.SplitToLines();
int lineCount = lines.Length;
for (int lineIndex = 0; lineIndex < lineCount; lineIndex++)
{
string line = lines[lineIndex];
Match lineMatch = _errorLocationLineRegex.Match(line);
if (lineMatch.Success)
{
GroupCollection lineGroups = lineMatch.Groups;
var errorLocationItem = new ErrorLocationItem
{
FunctionName = lineGroups["functionName"].Value,
DocumentName = lineGroups["documentName"].Value,
LineNumber = int.Parse(lineGroups["lineNumber"].Value),
ColumnNumber = lineGroups["columnNumber"].Success ?
int.Parse(lineGroups["columnNumber"].Value) : 0,
SourceFragment = lineGroups["sourceFragment"].Value
};
errorLocationItems.Add(errorLocationItem);
}
else
{
Debug.WriteLine(string.Format(Strings.Runtime_InvalidErrorLocationLineFormat, line));
return(new ErrorLocationItem[0]);
}
}
return(errorLocationItems.ToArray());
}
/// <summary>
/// Produces a string representation of the script error location from array of
/// <see cref="ErrorLocationItem"/> instances
/// </summary>
/// <param name="errorLocationItems">An array of <see cref="ErrorLocationItem"/> instances</param>
/// <param name="omitSourceFragment">Flag for whether to omit source fragment</param>
/// <returns>String representation of the script error location</returns>
public static string StringifyErrorLocationItems(ErrorLocationItem[] errorLocationItems,
bool omitSourceFragment = false)
{
if (errorLocationItems == null)
{
throw new ArgumentException(nameof(errorLocationItems));
}
int locationItemCount = errorLocationItems.Length;
if (locationItemCount == 0)
{
return(string.Empty);
}
var stringBuilderPool = StringBuilderPool.Shared;
StringBuilder locationBuilder = stringBuilderPool.Rent();
for (int locationItemIndex = 0; locationItemIndex < locationItemCount; locationItemIndex++)
{
ErrorLocationItem locationItem = errorLocationItems[locationItemIndex];
if (locationItemIndex > 0)
{
locationBuilder.AppendLine();
}
WriteErrorLocationLine(locationBuilder, locationItem.FunctionName, locationItem.DocumentName,
locationItem.LineNumber, locationItem.ColumnNumber,
!omitSourceFragment ? locationItem.SourceFragment : string.Empty);
}
string errorLocation = locationBuilder.ToString();
stringBuilderPool.Return(locationBuilder);
return(errorLocation);
}