/// <summary>
/// Parses the given like pattern.
/// </summary>
/// <param name="likePattern">The like pattern of the like operation (e.g. in "a Like b" the b)</param>
/// <returns>The root of the parse tree.</returns>
public VBALikeParser.LikePatternStringContext Parse(string likePattern)
{
var stream = new AntlrInputStream(likePattern);
var lexer = new VBALikeLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new VBALikeParser(tokens);
//parser.AddErrorListener(new ExceptionErrorListener());
VBALikeParser.CompilationUnitContext tree;
try
{
parser.Interpreter.PredictionMode = PredictionMode.Sll;
tree = parser.compilationUnit();
}
catch (Exception ex)
{
Logger.Warn(ex, "SLL mode failed for {0}. Retrying using LL.", likePattern);
tokens.Reset();
parser.Reset();
parser.Interpreter.PredictionMode = PredictionMode.Ll;
tree = parser.compilationUnit();
}
return(tree.likePatternString());
}
