/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Build the (internal) parser from the previously parsed specification.
/// This includes:<ul>
/// <li> Computing nullability of non-terminals.
/// <li> Computing first sets of non-terminals and productions.
/// <li> Building the viable prefix recognizer machine.
/// <li> Filling in the (internal) parse tables.
/// <li> Checking for unreduced productions.
/// </ul>
/// </summary>
protected internal static void build_parser()
{
/* compute nullability of all non terminals */
if (opt_do_debug || print_progress)
System.Console.Error.WriteLine(" Computing non-terminal nullability...");
non_terminal.compute_nullability();
nullability_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* compute first sets of all non terminals */
if (opt_do_debug || print_progress)
System.Console.Error.WriteLine(" Computing first sets...");
non_terminal.compute_first_sets();
first_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* build the LR viable prefix recognition machine */
if (opt_do_debug || print_progress)
System.Console.Error.WriteLine(" Building state machine...");
start_state = lalr_state.build_machine(emit.start_production);
machine_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* build the LR parser action and reduce-goto tables */
if (opt_do_debug || print_progress)
System.Console.Error.WriteLine(" Filling in tables...");
action_table = new parse_action_table();
reduce_table = new parse_reduce_table();
for (System.Collections.IEnumerator st = lalr_state.all(); st.MoveNext(); )
{
lalr_state lst = (lalr_state) st.Current;
lst.build_table_entries(action_table, reduce_table);
}
table_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* check and warn for non-reduced productions */
if (opt_do_debug || print_progress)
System.Console.Error.WriteLine(" Checking for non-reduced productions...");
action_table.check_reductions();
reduce_check_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* if we have more conflicts than we expected issue a message and die */
if (emit.num_conflicts > expect_conflicts)
{
System.Console.Error.WriteLine("*** More conflicts encountered than expected " + "-- parser generation aborted");
lexer.error_count++; // indicate the problem.
// we'll die on return, after clean up.
}
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Build the (internal) parser from the previously parsed specification.
/// This includes:<ul>
/// <li> Computing nullability of non-terminals.
/// <li> Computing first sets of non-terminals and productions.
/// <li> Building the viable prefix recognizer machine.
/// <li> Filling in the (internal) parse tables.
/// <li> Checking for unreduced productions.
/// </ul>
/// </summary>
protected internal static void build_parser()
{
/* compute nullability of all non terminals */
if (opt_do_debug || print_progress)
{
System.Console.Error.WriteLine(" Computing non-terminal nullability...");
}
non_terminal.compute_nullability();
nullability_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* compute first sets of all non terminals */
if (opt_do_debug || print_progress)
{
System.Console.Error.WriteLine(" Computing first sets...");
}
non_terminal.compute_first_sets();
first_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* build the LR viable prefix recognition machine */
if (opt_do_debug || print_progress)
{
System.Console.Error.WriteLine(" Building state machine...");
}
start_state = lalr_state.build_machine(emit.start_production);
machine_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* build the LR parser action and reduce-goto tables */
if (opt_do_debug || print_progress)
{
System.Console.Error.WriteLine(" Filling in tables...");
}
action_table = new parse_action_table();
reduce_table = new parse_reduce_table();
for (System.Collections.IEnumerator st = lalr_state.all(); st.MoveNext();)
{
lalr_state lst = (lalr_state)st.Current;
lst.build_table_entries(action_table, reduce_table);
}
table_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* check and warn for non-reduced productions */
if (opt_do_debug || print_progress)
{
System.Console.Error.WriteLine(" Checking for non-reduced productions...");
}
action_table.check_reductions();
reduce_check_end = (System.DateTime.Now.Ticks - 621355968000000000) / 10000;
/* if we have more conflicts than we expected issue a message and die */
if (emit.num_conflicts > expect_conflicts)
{
System.Console.Error.WriteLine("*** More conflicts encountered than expected " + "-- parser generation aborted");
lexer.error_count++; // indicate the problem.
// we'll die on return, after clean up.
}
}
