Lexer/RegExs now work on a very basic level. Regular expressions have not been fully implemented, but the structure is there. It creates trivial regexs that only accept a specified sequence, no actual regular expression power.

This commit is contained in:
Nathan Braswell
2013-07-02 01:47:42 -04:00
parent 94a7739bd9
commit 85da0bf646
10 changed files with 72 additions and 16 deletions

View File

@@ -6,6 +6,7 @@ RegExState::RegExState(RegExState* inInnerState) {
RegExState::RegExState(char inCharacter) {
character = inCharacter;
inner = NULL;
}
RegExState::~RegExState() {
@@ -33,4 +34,13 @@ bool RegExState::isGoal() {
return inner == NULL && nextStates.size() == 0;
}
std::string RegExState::toString() {
std::string string = "";
string += character;
for (std::vector<RegExState*>::size_type i = 0; i < nextStates.size(); i++)
string += "->" + nextStates[i]->toString() + " EC ";
//std::cout << "inner = " << inner << " nextStates size = " << nextStates.size() <<std::endl;
return string;
}