public static IList <IToken> GetTokens(string code)
{
var ais = new AntlrInputStream(code);
var lexer = new BiTempDefLexer(ais);
return(lexer.GetAllTokens());
}
public static IParseTree GetRootContext(string code)
{
var ais = new AntlrInputStream(code);
var lexer = new BiTempDefLexer(ais);
var cts = new CommonTokenStream(lexer);
var parser = new BiTempDefParser(cts);
var rootContext = parser.compileUnit();
return(rootContext);
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
/// <exception cref="ParseErrorException">Thrown at lexing and parsing errors</exception>
public static IList <def.BiTemporal> GetDefinitions(string input)
{
var ais = new AntlrInputStream(input);
var lexer = new BiTempDefLexer(ais);
lexer.RemoveErrorListeners();
lexer.AddErrorListener(new BiTemporalErrorListener <int>());
var cts = new CommonTokenStream(lexer);
var parser = new BiTempDefParser(cts);
parser.RemoveErrorListeners();
parser.AddErrorListener(new BiTemporalErrorListener <IToken>());
var root = parser.compileUnit();
var listener = new BiTemporalListener(input);
var ptw = new ParseTreeWalker();
ptw.Walk(listener, root);
foreach (var definition in listener.Definitions)
{
foreach (var col in definition.Columns)
{
if (col.Options.Content.Count(opt => opt == def.ColumnOption.PRIMARY_KEY) > 0)
{
definition.PrimaryKey.Add(col);
}
}
}
return(listener.Definitions);
}
