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/* Copyright (c) 2012-2017 The ANTLR Project. All rights reserved.
* Use of this file is governed by the BSD 3-clause license that
* can be found in the LICENSE.txt file in the project root.
*/
#include "atn/ATNConfigSet.h"
#include "atn/SemanticContext.h"
#include "atn/ATNConfig.h"
#include "misc/MurmurHash.h"
#include "dfa/DFAState.h"
using namespace antlr4::dfa;
using namespace antlr4::atn;
std::string DFAState::PredPrediction::toString() const {
return std::string("(") + pred->toString() + ", " + std::to_string(alt) + ")";
}
std::set<size_t> DFAState::getAltSet() const {
std::set<size_t> alts;
if (configs != nullptr) {
for (size_t i = 0; i < configs->size(); i++) {
alts.insert(configs->get(i)->alt);
}
}
return alts;
}
size_t DFAState::hashCode() const {
return configs != nullptr ? configs->hashCode() : 0;
}
bool DFAState::equals(const DFAState &other) const {
if (this == std::addressof(other)) {
return true;
}
return configs == other.configs ||
(configs != nullptr && other.configs != nullptr && *configs == *other.configs);
}
std::string DFAState::toString() const {
std::stringstream ss;
ss << stateNumber;
if (configs) {
ss << ":" << configs->toString();
}
if (isAcceptState) {
ss << " => ";
if (!predicates.empty()) {
for (size_t i = 0; i < predicates.size(); i++) {
ss << predicates[i].toString();
}
} else {
ss << prediction;
}
}
return ss.str();
}
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