126/216
\begin{frame}{LL Parsing}
\begin{goal}{LL parsing}
Parsing \emph{top-down} with a \emph{leftmost} strategy.
\medskip

\end{goal}
\medskip

LL parsing does not work for every context-free grammar.
\pause\bigskip

\begin{goal}{}
Starting point is a context-free grammar $G = (V,T,S,P)$:
\begin{itemize}
\item $\lambda$-productions and unit productions are allowed\\
\item Construct sets $\first{A}$ and $\follow{A}$ for every variable $A$.