public bool Execute(DataContext context)
{
try
{
UserInterfaceVisitor visitor = new UserInterfaceVisitor(context.ValueReferenceTable, context.ASTHandlerExceptions, ElementsToDisplay, _rebuildMethod);
context.RootNode.Accept(visitor);
}
catch (QLError ex)
{
context.ASTHandlerExceptions.Add(ex);
return false;
}
return !context.ASTHandlerExceptions.Any();
}
public bool Execute(DataContext context)
{
context.ASTHandlerExceptions.Clear();
context.ValueReferenceTable.ClearIdentifiers();
EvaluatorVisitor evaluator = new EvaluatorVisitor(context.ASTHandlerExceptions, context.ValueReferenceTable);
try
{
context.RootNode.Accept(evaluator);
}
catch (QLError ex)
{ // Exceptions preventing Evaluator from finishing
context.ASTHandlerExceptions.Add(ex);
return false;
}
return !context.ASTHandlerExceptions.Any();
}
public bool Execute(DataContext context)
{
if (context.Input != null)
{
context.AntlrInput = new AntlrInputStream(context.Input);
}
else if (context.InputStream != null)
{
context.AntlrInput = new AntlrInputStream(context.InputStream);
}
else
{
context.ASTHandlerExceptions.Add(new QLError("No proper input provided for building an AST"));
return false;
}
return !context.ASTHandlerExceptions.Any();
}
public bool Execute(DataContext context)
{
context.ASTHandlerExceptions.Clear();
IDictionary<string, object> unitsToAnswers = new Dictionary<string, object>();
ExporterVisitor exporter = new ExporterVisitor(unitsToAnswers);
try
{
context.RootNode.Accept(exporter);
}
catch (QLError ex)
{
// Errors preventing exporter from finishing
context.ASTHandlerExceptions.Add(ex);
return false;
}
finally
{
context.ExportableRepresentation = JsonConvert.SerializeObject(unitsToAnswers, Formatting.Indented);
}
return !context.ASTHandlerExceptions.Any();
}
public QLBuilder(Stream input)
: this()
{
DataContext = new DataContext(input);
}
public QLBuilder(string input)
: this()
{
DataContext = new DataContext(input);
}