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LR0: ::createParseTable now find acceptance and reductions

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This commit is contained in:
Paul Beckingham 2016-01-06 10:33:17 -05:00
parent b3eef3f959
commit a2e45b9297
1 changed files with 10 additions and 7 deletions
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17
src/LR0.cpp
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@ -198,14 +198,17 @@ void LR0::createParseTable (States& states)
_goto[state][rule] = "";
}
// Look for states with items that are done, and mark them as reductions, but
// a reduction of grammar rule 0 is marked "acc".
for (unsigned int state = 0; state < states.size (); ++state)
{
/*
if (states[state].size () == 1 &&
states[state][0].done ())
_actions[state][states[state][0]._rule[states[state]0]._cursor]] = format ("r{1}", states[state][0]._grammarRule);
*/
}
for (unsigned int item = 0; item < states[state].size (); ++item)
if (states[state][item].done ())
if (states[state][item]._grammarRule == 0)
_actions[state]["$"] = "acc";
else
for (auto& terminal : _terminals)
_actions[state][terminal] = format ("r{1}", states[state][item]._grammarRule);
}
////////////////////////////////////////////////////////////////////////////////