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Fixed lots of bugs, added much more sane and efficient ParseAction table instead of recalculating every time. Fixed lots of bugs and inefficencies. Some temporary hacks in the table, mostly having to do with not having an EOF Symbol yet.

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This commit is contained in:
Nathan Braswell
2013-06-04 19:50:16 -04:00
parent 0c4af245bf
commit 949dbc532a
10 changed files with 192 additions and 86 deletions
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13
include/Parser.h
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@@ -5,6 +5,7 @@
#define NULL 0
#endif
#include "util.h"
#include "ParseRule.h"
#include "ParseAction.h"
#include "Symbol.h"
@@ -27,14 +28,17 @@ class Parser {
void loadGrammer(std::string grammerInputString);
void createStateSet();
void closure(State* state);
void addState(std::vector< State* >* stateSets, State* state, Symbol*);
void addStates(std::vector< State* >* stateSets, State* state);
std::string stateSetToString();
int gotoTable(int state, Symbol* token);
ParseAction* actionTable(int state, Symbol* token);
void addToTable(State* fromState, Symbol* tranSymbol, ParseAction* action);
ParseAction* getTable(int state, Symbol* token);
NodeTree* parseInput(std::string inputString);
std::string grammerToString();
std::string grammerToDOT();
std::string tableToString();
private:
StringReader reader;
std::map<std::string, Symbol*> symbols;
@@ -42,7 +46,8 @@ class Parser {
std::vector< State* > stateSets;
//std::vector< std::vector<ParseAction*> >
std::vector< std::vector<ParseAction*>* > table;
std::vector<Symbol*> symbolIndexVec;
std::stack<int> stateStack;
std::stack<Symbol*> symbolStack;