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Fixed some problems with grammer loading of null rules and rules non-terminals and terminals that had the same name

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Nathan Braswell
2013-08-04 14:24:20 -04:00
parent d5b33efb22
commit 9460bacf1c
3 changed files with 23 additions and 18 deletions
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2
src/RNGLRParser.cpp
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@@ -74,6 +74,7 @@ NodeTree<Symbol*>* RNGLRParser::parseInput(std::string inputString) {
std::cout << "Checking if frontier " << i << " is empty" << std::endl;
if (gss.frontierIsEmpty(i)) {
std::cout << "Frontier " << i << " is empty." << std::endl;
std::cout << "Failed on " << input[i]->toString() << " next: " << input[i+1]->toString() << std::endl;
break;
}
while (toReduce.size() != 0) {
@@ -176,7 +177,6 @@ void RNGLRParser::shifter(int i) {
//Have to use own add states function in order to construct RN table instead of LALR table
void RNGLRParser::addStates(std::vector< State* >* stateSets, State* state) {
std::cout << "RNGLR ADD STATES" << std::endl;
std::vector< State* > newStates;
//For each rule in the state we already have
std::vector<ParseRule*>* currStateTotal = state->getTotal();