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- #include <ruby_parser/state_stack.hh>
- using namespace ruby_parser;
- void state_stack::push(bool state) {
- stack.emplace_back(state);
- }
- bool state_stack::pop() {
- if (stack.empty()) {
- return false;
- } else {
- bool state = stack.back();
- stack.pop_back();
- return state;
- }
- }
- void state_stack::lexpop() {
- push(pop() || pop());
- }
- void state_stack::clear() {
- stack.clear();
- }
- bool state_stack::active() const {
- if (stack.empty()) {
- return false;
- } else {
- return stack.back();
- }
- }
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