public boolean InsertProc(AST.Procedure proc){
  int i=FindProc(proc.name);
  if (i < procs.size())   return false;
  ProcedureEntry pe=new ProcedureEntry(proc);
  procs.addElement(pe);
  return true;
}

public boolean InsertProc ( AST . Procedure proc ) { int i = FindProc ( proc . name ) ; if ( i < procs . size ( ) ) return false ; ProcedureEntry pe = new ProcedureEntry ( proc ) ; procs . addElement ( pe ) ; return true ; }
insert procedure table entry . true if inserted ; false if was already in table
