parameters: (self, ruleIndex, ruleStartIndex)
return_statement: return self._state.ruleMemo[ruleIndex].get(
              ruleStartIndex, self.MEMO_RULE_UNKNOWN
              )
docstring: Given a rule number and a start token index number, return
          MEMO_RULE_UNKNOWN if the rule has not parsed input starting from
          start index.  If this rule has parsed input starting from the
          start index before, then return where the rule stopped parsing.
          It returns the index of the last token matched by the rule.
docstring_summary: Given a rule number and a start token index number, return
          MEMO_RULE_UNKNOWN if the rule has not parsed input starting from
          start index.  If this rule has parsed input starting from the
          start index before, then return where the rule stopped parsing.
          It returns the index of the last token matched by the rule.
docstring_tokens: Given a rule number and a start token index number return MEMO_RULE_UNKNOWN if the rule has not parsed input starting from start index . If this rule has parsed input starting from the start index before then return where the rule stopped parsing . It returns the index of the last token matched by the rule .
function: def getRuleMemoization(self, ruleIndex, ruleStartIndex):
          """
          Given a rule number and a start token index number, return
          MEMO_RULE_UNKNOWN if the rule has not parsed input starting from
          start index.  If this rule has parsed input starting from the
          start index before, then return where the rule stopped parsing.
          It returns the index of the last token matched by the rule.
          """
          
          if ruleIndex not in self._state.ruleMemo:
              self._state.ruleMemo[ruleIndex] = {}
  
          return self._state.ruleMemo[ruleIndex].get(
              ruleStartIndex, self.MEMO_RULE_UNKNOWN
              )
function_tokens: def getRuleMemoization ( self , ruleIndex , ruleStartIndex ) : if ruleIndex not in self . _state . ruleMemo : self . _state . ruleMemo [ ruleIndex ] = { } return self . _state . ruleMemo [ ruleIndex ] . get ( ruleStartIndex , self . MEMO_RULE_UNKNOWN )