Q10b

Consider the following grammar for variable declarations: <vardecl> $\rightarrow$ <vardecl><idlist> : <type>; <vardecl> $\rightarrow \in$ <idlist> $\rightarrow$ <idlist>, id <idlist> $\rightarrow$ id <type> $\rightarrow$ integer <type> $\rightarrow$ real Write a syntax - directed translation scheme to install the identifiers into the symbol table. You must also issue appropriate error messages wherever necessary. Make suitable assumptions regarding procedures operating on the symbol table; you need not elaborate upon these procedures.