I am reading parr.phd.thesis.pdf. On page 88(pdf:99) is this algorithm. I don't know about some things: var cycle: nonterminal; nonterminal like S,T,F? but is cycle1 = not-a-cycle is-cycle-to-current-node is a flag? In function retrieve-from-cache: is called functions: imaginary-terminal-to-nonterminal,only_element_off,is-entry-node,entry-node-of etc also in store-into-cache. To analyse this functions I need implementation in source. Where in ANTLR source are this functions? This functions are implemented? I search in LookaheadSet.java but not found.
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