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runtime-linux/antlr4-runtime/atn/Transition.cpp

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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 "Exceptions.h"
+#include "support/Arrays.h"
+
+#include "atn/Transition.h"
+
+using namespace antlr4;
+using namespace antlr4::atn;
+
+using namespace antlrcpp;
+
+const std::vector<std::string> Transition::serializationNames = {
+  "INVALID", "EPSILON", "RANGE", "RULE", "PREDICATE", "ATOM", "ACTION", "SET", "NOT_SET", "WILDCARD", "PRECEDENCE"
+};
+
+Transition::Transition(ATNState *target) {
+  if (target == nullptr) {
+    throw NullPointerException("target cannot be null.");
+  }
+
+  this->target = target;
+}
+
+Transition::~Transition() {
+}
+
+bool Transition::isEpsilon() const {
+  return false;
+}
+
+misc::IntervalSet Transition::label() const {
+  return misc::IntervalSet::EMPTY_SET;
+}
+
+std::string Transition::toString() const {
+  std::stringstream ss;
+  ss << "(Transition " << std::hex << this << ", target: " << std::hex << target << ')';
+
+  return ss.str();
+}