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Changed followset to work on states, fixed many bugs. Kraken now should have a fairly legitimate LALR(1) parser. (null productions have not yet been added.)

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Nathan Braswell
2013-06-23 05:06:38 -04:00
parent 17dd186373
commit a307e1f143
5 changed files with 88 additions and 34 deletions
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5
include/Parser.h
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@@ -26,9 +26,8 @@ class Parser {
std::vector<Symbol*>* firstSet(Symbol* token);
void printFirstSets();
//std::vector<Symbol*>* followSet(int stateNum, Symbol* token);
std::vector<Symbol*>* gramFollowSet(Symbol* token);
std::vector<Symbol*>* gramFollowSetAvoid(Symbol* token, std::vector<Symbol*>* avoidList);
void printFollowSets();
std::vector<Symbol*>* gramFollowSet(State* state, Symbol* token);
std::vector<Symbol*>* gramFollowSetAvoid(State* state, Symbol* token, std::vector<Symbol*>* avoidList);
void createStateSet();
void closure(State* state);
void addStates(std::vector< State* >* stateSets, State* state);