public override Node VisitIdentifierExpression(DustParser.IdentifierExpressionContext context)
{
string name = context.GetText();
IdentifierExpression property = visitorContext.GetProperty(name);
Function function = visitorContext.GetFunction(name);
if (property == null && function == null)
{
visitorContext.ErrorHandler.ThrowError(new SyntaxError($"Identifier '{name}' is not defined", context.GetRange()));
return(null);
}
if (property == null)
{
return(function);
}
return(property);
}
/// <summary>
/// Visit a parse tree produced by the <c>IdentifierExpression</c>
/// labeled alternative in <see cref="DustParser.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 VisitIdentifierExpression([NotNull] DustParser.IdentifierExpressionContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>IdentifierExpression</c>
/// labeled alternative in <see cref="DustParser.expression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIdentifierExpression([NotNull] DustParser.IdentifierExpressionContext context)
{
}
