public override void ExitIfDef(VariableStateCalculatorGrammarParser.IfDefContext context)
{
ExecutionFrame frame = FrameStack.Pop();
FrameStack.Peek().Merge(frame);
base.ExitIfDef(context);
}
public override void EnterIfDef(VariableStateCalculatorGrammarParser.IfDefContext context)
{
Int32 usedParameter = Int32.Parse(context.NUMBER().GetText());
FrameStack.Push(new ExecutionFrame(usedParameter));
base.EnterIfDef(context);
}