/// <summary>
/// Visit a parse tree produced by <see cref="Z80TestParser.memAssignment"/>.
/// <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 override object VisitMemAssignment(Z80TestParser.MemAssignmentContext context)
{
if (IsInvalidContext(context))
{
return(null);
}
var node = new MemoryAssignmentNode(context);
if (context.expr().Length > 0)
{
node.Address = (ExpressionNode)VisitExpr(context.expr()[0]);
}
if (context.expr().Length > 1)
{
node.Value = (ExpressionNode)VisitExpr(context.expr()[1]);
}
if (context.expr().Length > 2)
{
node.Length = (ExpressionNode)VisitExpr(context.expr()[2]);
}
return(node);
}
