/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/** Produce a warning message for one reduce/reduce conflict.
*
* @param itm1 first item in conflict.
* @param itm2 second item in conflict.
*/
protected 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());
}
}
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++;
}
/*. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*/
/** Produce a warning message for one reduce/reduce conflict.
*
* @param itm1 first item in conflict.
* @param itm2 second item in conflict.
*/
protected 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());
}
}
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++;
}
