public Error(string errorMessage, TextRegion location, string objectedText, ErrorCategory category = ErrorCategory.Syntactical)
{
if (errorMessage == null)
{
throw new ArgumentNullException("errorMessage");
}
if (objectedText == null)
{
throw new ArgumentNullException("objectedText");
}
ErrorMessage = string.Format("syntax error: {0}, at: {1}", errorMessage, location);
Location = location;
ObjectedText = objectedText;
Category = category;
}
public static Error Missing(TokenType expectedType, TextRegion region)
{
return(new Error("expected token " + expectedType.ToDisplayString(), region, String.Empty));
}
public static Error Unexpected(TokenType expectedType, ClassDiagramToken actualToken)
{
var region = new TextRegion(actualToken.Line, actualToken.Start, actualToken.Length);
return(new Error("unexpected token", region, actualToken.Value));
}