/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Produce a warning message for one reduce/reduce conflict.
/// *
/// </summary>
/// <param name="itm1">first item in conflict.
/// </param>
/// <param name="itm2">second item in conflict.
///
/// </param>
protected internal virtual void report_reduce_reduce(lalr_item itm1, lalr_item itm2)
{
bool comma_flag = false;
System.Console.Error.WriteLine("*** Reduce/Reduce conflict found in state #" + index());
System.Console.Error.Write(" between ");
System.Console.Error.WriteLine(itm1.to_simple_string());
System.Console.Error.Write(" and ");
System.Console.Error.WriteLine(itm2.to_simple_string());
System.Console.Error.Write(" under symbols: {");
for (int t = 0; t < terminal.number(); t++)
{
if (itm1.lookahead().contains(t) && itm2.lookahead().contains(t))
{
if (comma_flag)
{
System.Console.Error.Write(", ");
}
else
{
comma_flag = true;
}
System.Console.Error.Write(terminal.find(t).name_Renamed_Method());
}
}
System.Console.Error.WriteLine("}");
System.Console.Error.Write(" Resolved in favor of ");
if (itm1.the_production().index() < itm2.the_production().index())
{
System.Console.Error.WriteLine("the first production.\n");
}
else
{
System.Console.Error.WriteLine("the second production.\n");
}
/* count the conflict */
emit.num_conflicts++;
lexer.warning_count++;
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Produce a warning message for one shift/reduce conflict.
/// *
/// </summary>
/// <param name="red_itm"> the item with the reduce.
/// </param>
/// <param name="conflict_sym">the index of the symbol conflict occurs under.
///
/// </param>
protected internal virtual void report_shift_reduce(lalr_item red_itm, int conflict_sym)
{
lalr_item itm;
symbol shift_sym;
/* emit top part of message including the reduce item */
System.Console.Error.WriteLine("*** Shift/Reduce conflict found in state #" + index());
System.Console.Error.Write(" between ");
System.Console.Error.WriteLine(red_itm.to_simple_string());
/* find and report on all items that shift under our conflict symbol */
//UPGRADE_TODO: method 'java.util.Enumeration.hasMoreElements' was converted to ' ' which has a different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1073_javautilEnumerationhasMoreElements"'
for (System.Collections.IEnumerator itms = items().all(); itms.MoveNext();)
{
//UPGRADE_TODO: method 'java.util.Enumeration.nextElement' was converted to ' ' which has a different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1073_javautilEnumerationnextElement"'
itm = (lalr_item)itms.Current;
/* only look if its not the same item and not a reduce */
if (itm != red_itm && !itm.dot_at_end())
{
/* is it a shift on our conflicting terminal */
shift_sym = itm.symbol_after_dot();
if (!shift_sym.is_non_term() && shift_sym.index() == conflict_sym)
{
/* yes, report on it */
System.Console.Error.WriteLine(" and " + itm.to_simple_string());
}
}
}
System.Console.Error.WriteLine(" under symbol " + terminal.find(conflict_sym).name_Renamed_Method());
System.Console.Error.WriteLine(" Resolved in favor of shifting.\n");
/* count the conflict */
emit.num_conflicts++;
lexer.warning_count++;
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Produce a warning message for one shift/reduce conflict.
/// *
/// </summary>
/// <param name="red_itm"> the item with the reduce.
/// </param>
/// <param name="conflict_sym">the index of the symbol conflict occurs under.
///
/// </param>
protected internal virtual void report_shift_reduce(lalr_item red_itm, int conflict_sym)
{
lalr_item itm;
symbol shift_sym;
/* emit top part of message including the reduce item */
System.Console.Error.WriteLine("*** Shift/Reduce conflict found in state #" + index());
System.Console.Error.Write(" between ");
System.Console.Error.WriteLine(red_itm.to_simple_string());
/* find and report on all items that shift under our conflict symbol */
//UPGRADE_TODO: method 'java.util.Enumeration.hasMoreElements' was converted to ' ' which has a different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1073_javautilEnumerationhasMoreElements"'
for (System.Collections.IEnumerator itms = items().all(); itms.MoveNext(); )
{
//UPGRADE_TODO: method 'java.util.Enumeration.nextElement' was converted to ' ' which has a different behavior. 'ms-help://MS.VSCC/commoner/redir/redirect.htm?keyword="jlca1073_javautilEnumerationnextElement"'
itm = (lalr_item) itms.Current;
/* only look if its not the same item and not a reduce */
if (itm != red_itm && !itm.dot_at_end())
{
/* is it a shift on our conflicting terminal */
shift_sym = itm.symbol_after_dot();
if (!shift_sym.is_non_term() && shift_sym.index() == conflict_sym)
{
/* yes, report on it */
System.Console.Error.WriteLine(" and " + itm.to_simple_string());
}
}
}
System.Console.Error.WriteLine(" under symbol " + terminal.find(conflict_sym).name_Renamed_Method());
System.Console.Error.WriteLine(" Resolved in favor of shifting.\n");
/* count the conflict */
emit.num_conflicts++;
lexer.warning_count++;
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/// <summary>Produce a warning message for one reduce/reduce conflict.
/// *
/// </summary>
/// <param name="itm1">first item in conflict.
/// </param>
/// <param name="itm2">second item in conflict.
///
/// </param>
protected internal virtual void report_reduce_reduce(lalr_item itm1, lalr_item itm2)
{
bool comma_flag = false;
System.Console.Error.WriteLine("*** Reduce/Reduce conflict found in state #" + index());
System.Console.Error.Write(" between ");
System.Console.Error.WriteLine(itm1.to_simple_string());
System.Console.Error.Write(" and ");
System.Console.Error.WriteLine(itm2.to_simple_string());
System.Console.Error.Write(" under symbols: {");
for (int t = 0; t < terminal.number(); t++)
{
if (itm1.lookahead().contains(t) && itm2.lookahead().contains(t))
{
if (comma_flag)
System.Console.Error.Write(", ");
else
comma_flag = true;
System.Console.Error.Write(terminal.find(t).name_Renamed_Method());
}
}
System.Console.Error.WriteLine("}");
System.Console.Error.Write(" Resolved in favor of ");
if (itm1.the_production().index() < itm2.the_production().index())
System.Console.Error.WriteLine("the first production.\n");
else
System.Console.Error.WriteLine("the second production.\n");
/* count the conflict */
emit.num_conflicts++;
lexer.warning_count++;
}