public override Expression VisitStringInterpolationAtom([NotNull] ExpressionAntlrParser.StringInterpolationAtomContext context)
{
var children = new List <Expression>();
foreach (var child in context.stringInterpolation().children)
{
if (child is ITerminalNode node)
{
switch (node.Symbol.Type)
{
case ExpressionAntlrParser.TEMPLATE:
var expressionString = TrimExpression(node.GetText());
children.Add(Expression.Parse(expressionString, _lookupFunction));
break;
case ExpressionAntlrParser.ESCAPE_CHARACTER:
children.Add(Expression.ConstantExpression(EvalEscape(node.GetText().Replace("\\`", "`").Replace("\\$", "$"))));
break;
default:
break;
}
}
else
{
// text content
var text = EvalEscape(child.GetText());
children.Add(Expression.ConstantExpression(text));
}
}
return(MakeExpression(ExpressionType.Concat, children.ToArray()));
}
/// <summary>
/// Exit a parse tree produced by the <c>stringInterpolationAtom</c>
/// labeled alternative in <see cref="ExpressionAntlrParser.primaryExpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitStringInterpolationAtom([NotNull] ExpressionAntlrParser.StringInterpolationAtomContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>stringInterpolationAtom</c>
/// labeled alternative in <see cref="ExpressionAntlrParser.primaryExpression"/>.
/// <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 VisitStringInterpolationAtom([NotNull] ExpressionAntlrParser.StringInterpolationAtomContext context)
{
return(VisitChildren(context));
}