A basic symbol table generator for semantic analysis stage of the compiler using Java. Rub SymbolTable.java and enter inputs accordingly to generate the symbol table structure.

Functions provided-

insert(name,kind,type): inserts an entry for x in the current scope if it is already not defined in it. Throws an error if the variable name is already present in the most recent scope.

lookup(name): returns the most recent definition of name by searching the tree from leaf to root.If no match is found it throws an error.

enter_scope(): Generates a new level of nesting by creating a symbol table for the new scope.

exit_scope(): remove symbol table entries for the current scope and move back to the enclosing scope in the symbol table tree.