/// <summary>
/// Parse the given input into a description of a sequence diagram.
/// </summary>
/// <param name="input">The input string</param>
/// <returns></returns>
public static (SequenceDiagramViewModel SequenceDiagram, string Error) Parse(string input)
{
var inputStream = new CaseInsensitiveInputStream(input);
var lexer = new SequenceLexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new SequenceParser(tokenStream);
// Report errors to the console (for now)
var error = new StringBuilder();
var errorListener = new StringErrorListener(error);
lexer.AddErrorListener(errorListener);
parser.AddErrorListener(errorListener);
// Generate SequenceDiagramViewModel out of parsed result
StartContext startContext = parser.start();
SequenceVisitor visitor = new SequenceVisitor(errorListener);
visitor.Visit(startContext);
return(visitor.SequenceDiagram, error.ToString());
}
public SequenceVisitor(StringErrorListener errorListener)
{
m_errorListener = errorListener;
}
