public override void EnterVarMultiAssignment(FlyParser.VarMultiAssignmentContext context)
{
var ids = context.arrOrVar();
var values = context._values;
// Check if valid multi assignment:
// Either one value and multiple ids or the same amount of values and ids
if (ids.Length == values.Count)
{
for (int i = 0; i < ids.Length; i++)
{
EnterExpression(values[i]);
if (ids[i].index != null)
{
EnterExpression(ids[i].index);
Code.GetVar(ids[i].ID().GetText());
Code.ArraySet();
}
else
{
Code.SetVar(ids[i].ID().GetText());
}
Code.Instructions.Add(OpCode.POP);
}
}
else if (values.Count == 1)
{
EnterExpression(values[0]);
foreach (var id in ids)
{
if (id.index != null)
{
EnterExpression(id.index);
Code.GetVar(id.ID().GetText());
Code.ArraySet();
}
else
{
Code.SetVar(id.ID().GetText());
}
}
Code.Instructions.Add(OpCode.POP);
}
else
{
throw new InvalidOperationException(
$"The multi var assignment has a invalid amount of variable names / expressions.");
}
}
/// <summary>
/// Exit a parse tree produced by <see cref="FlyParser.varMultiAssignment"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitVarMultiAssignment([NotNull] FlyParser.VarMultiAssignmentContext context)
{
}
