& {\delimit} &{\terminal{if}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}} {\terminal{else}} {\nonterminal{Stm}} \\
& {\delimit} &{\terminal{while}} {\terminal{(}} {\nonterminal{Exp}} {\terminal{)}} {\nonterminal{Stm}} \\
& {\delimit} &{\terminal{print}} {\nonterminal{Exp}} {\terminal{;}} \\
- & {\delimit} &{\nonterminal{Stm}} {\terminal{;}} \\
\end{tabular}\\
\begin{tabular}{lll}
-{\nonterminal{Exp}} & {\arrow} &{\nonterminal{Exp1}} {\nonterminal{BOp}} {\nonterminal{Exp1}} \\
+{\nonterminal{Exp}} & {\arrow} &{\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}} \\
+ & {\delimit} &{\nonterminal{Exp1}} {\nonterminal{Op0}} {\nonterminal{Exp1}} \\
& {\delimit} &{\nonterminal{Exp1}} \\
\end{tabular}\\
{\nonterminal{Exp3}} & {\arrow} &{\nonterminal{Ident}} {\terminal{{$+$}{$+$}}} \\
& {\delimit} &{\nonterminal{Ident}} {\terminal{{$-$}{$-$}}} \\
& {\delimit} &{\nonterminal{Ident}} \\
- & {\delimit} &{\nonterminal{Ident}} {\terminal{{$=$}}} {\nonterminal{Exp}} \\
& {\delimit} &{\nonterminal{Integer}} \\
& {\delimit} &{\terminal{{$-$}}} {\nonterminal{Exp3}} \\
& {\delimit} &{\nonterminal{Bool}} \\
\end{tabular}\\
\begin{tabular}{lll}
-{\nonterminal{BOp}} & {\arrow} &{\terminal{{$<$}}} \\
+{\nonterminal{Op0}} & {\arrow} &{\terminal{{$<$}}} \\
& {\delimit} &{\terminal{{$<$}{$=$}}} \\
& {\delimit} &{\terminal{{$>$}}} \\
& {\delimit} &{\terminal{{$>$}{$=$}}} \\
\begin{tabular}{lll}
{\nonterminal{Op}} & {\arrow} &{\nonterminal{Op1}} \\
& {\delimit} &{\nonterminal{Op2}} \\
+ & {\delimit} &{\nonterminal{Op0}} \\
\end{tabular}\\
\begin{tabular}{lll}