public override object VisitForeachStmt([NotNull] CalculatorParser.ForeachStmtContext context)
{
var enumerable = context.expression().Accept(this) as IEnumerable <object>;
var enumerator = enumerable.GetEnumerator();
context.declaration().Accept(this);
var varName = m_iterName;
while (enumerator.MoveNext())
{
m_stack.Set(varName, enumerator.Current);
context.block().Accept(this);
}
m_iterName = "";
return(null);
}
/// <summary>
/// Visit a parse tree produced by <see cref="CalculatorParser.foreachStmt"/>.
/// <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 VisitForeachStmt([NotNull] CalculatorParser.ForeachStmtContext context)
{
return(VisitChildren(context));
}