/// <summary>
/// Initializes a new instance of the <see cref="Analyzer"/> class.
/// </summary>
/// <param name="templates">Templates.</param>
/// <param name="opt">Options for LG. </param>
public Analyzer(Templates templates, EvaluationOptions opt = null)
{
Templates = templates;
_templateMap = templates.ToDictionary(t => t.Name);
// create an evaluator to leverage it's customized function look up for checking
var evaluator = new Evaluator(Templates, opt);
_expressionParser = evaluator.ExpressionParser;
}
/// <summary>
/// Return error messaages list.
/// </summary>
/// <returns>report result.</returns>
public List <Diagnostic> Check()
{
var result = new List <Diagnostic>();
// check dup first
var duplicatedTemplates = Templates
.GroupBy(t => t.Name)
.Where(g => g.Count() > 1)
.ToList();
if (duplicatedTemplates.Count > 0)
{
duplicatedTemplates.ForEach(g =>
{
var name = g.Key;
var sources = string.Join(":", g.Select(x => x.Source));
var msg = $"Duplicated definitions found for template: {name} in {sources}";
result.Add(BuildLGDiagnostic(msg));
});
return(result);
}
// Covert to dict should be fine after checking dup
templateMap = Templates.ToDictionary(t => t.Name);
if (Templates.Count == 0)
{
result.Add(BuildLGDiagnostic(
"File must have at least one template definition ",
DiagnosticSeverity.Warning));
}
Templates.ForEach(t =>
{
currentSource = t.Source;
result.AddRange(Visit(t.ParseTree));
});
return(result);
}
