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LR0: Initialization in ::createParseTable

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This commit is contained in:
Paul Beckingham 2016-01-05 12:03:43 -05:00
parent 9d239f7a80
commit 5f6a522ad8
1 changed files with 16 additions and 1 deletions
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17
src/LR0.cpp
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@ -176,7 +176,22 @@ void LR0::closeState (States& states, const int state) const
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////
void LR0::createParseTable (States& states) void LR0::createParseTable (States& states)
{ {
// TODO Convert States to the _actions and _goto tables. // First size the tables:
// - Create a row for every state
// - Create a column for every terminal in the _actions table
// - Create a column for every rule in the _goto table
for (unsigned int state = 0; state < states.size (); ++state)
{
// Create a column for every terminal, plus "$".
_actions.push_back ({});
_actions[state]["$"] = "";
for (auto& terminal : _terminals)
_actions[state][terminal] = "";
_goto.push_back ({});
for (auto& rule : _rules)
_goto[state][rule] = "";
}
} }
//////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////