public ITransformationSchema BuildTransformationSchema(string vtlSource)
{
AntlrInputStream input = new AntlrInputStream(vtlSource);
VtlLexer lexer = new VtlLexer(input);
CommonTokenStream tokens = new CommonTokenStream(lexer);
VtlParser parser = new VtlParser(tokens);
VtlSyntaxErrorListener errListener = new VtlSyntaxErrorListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(errListener);
VtlParser.StartContext cst = parser.start();
foreach (VtlSyntaxError error in errListener.Errors)
{
this._logger?.LogError(error, error.Message);
}
return(this._transformer.TransformToSchema(cst));
}
/// <summary>
/// Visit a parse tree produced by <see cref="VtlParser.start"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitStart([NotNull] VtlParser.StartContext context)
{
return(VisitChildren(context));
}
