$$\begin{array}{|l|l|} \hline \textbf{PRODUCTION RULE} & \textbf{SEMANTIC ACTIONS} \\\hline D \rightarrow TL & L.in:=T.type \\\hline T \rightarrow int & T.type:=integer \\\hline T \rightarrow real & T.type:=real \\\hline L \rightarrow L,id & L1.in=L.in \\&Enter\_type(id.entry, L.in) \\\hline L \rightarrow id & Enter\_type(id.entry, L.in) \\\hline \end{array}$$