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[toc] / antlr4-cpp-runtime-4.9.2-source / runtime / src / atn / EpsilonTransition.cpp

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/EpsilonTransition.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/EpsilonTransition.cpp
new file mode 100644 (file)
index 0000000..550605d
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/EpsilonTransition.cpp
@@ -0,0 +1,35 @@
+/* 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/EpsilonTransition.h"
+
+using namespace antlr4::atn;
+
+EpsilonTransition::EpsilonTransition(ATNState *target) : EpsilonTransition(target, INVALID_INDEX) {
+}
+
+EpsilonTransition::EpsilonTransition(ATNState *target, size_t outermostPrecedenceReturn)
+  : Transition(target), _outermostPrecedenceReturn(outermostPrecedenceReturn) {
+}
+
+size_t EpsilonTransition::outermostPrecedenceReturn() {
+  return _outermostPrecedenceReturn;
+}
+
+Transition::SerializationType EpsilonTransition::getSerializationType() const {
+  return EPSILON;
+}
+
+bool EpsilonTransition::isEpsilon() const {
+  return true;
+}
+
+bool EpsilonTransition::matches(size_t /*symbol*/, size_t /*minVocabSymbol*/, size_t /*maxVocabSymbol*/) const {
+  return false;
+}
+
+std::string EpsilonTransition::toString() const {
+  return "EPSILON " + Transition::toString() + " {}";
+}