public override SelectionRuleNode VisitFlowExpression(TmtParser.FlowExpressionContext context)
{
SelectionRuleNode result = null;
var id = context.right?.Text?.Trim('\'');
if (!string.IsNullOrWhiteSpace(id))
{
switch (context.op?.GetText())
{
case "is":
result = GetIdComparisonRuleNode(id, Scope.Object);
break;
case "crosses":
var template = GetTrustBoundaryTemplate(id);
if (template != null)
{
result = new TrustBoundaryTemplateRuleNode(template);
}
else
{
if (_source.ElementTypes?.Any(x => x.IsGeneric &&
(x.ElementType == ElementType.BorderBoundary || x.ElementType == ElementType.LineBoundary) &&
string.CompareOrdinal(x.TypeId, id) == 0) ?? false)
{
result = new CrossTrustBoundaryRuleNode("Crosses Trust Boundary", true);
}
}
break;
}
if (Rule == null)
{
Rule = result;
}
}
return(result);
}
/// <summary>
/// Visit a parse tree produced by the <c>flowExpression</c>
/// labeled alternative in <see cref="TmtParser.expression"/>.
/// <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 VisitFlowExpression([NotNull] TmtParser.FlowExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>flowExpression</c>
/// labeled alternative in <see cref="TmtParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFlowExpression([NotNull] TmtParser.FlowExpressionContext context)
{
}
