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

diff --git a/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/SetTransition.cpp b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/SetTransition.cpp
new file mode 100644 (file)
index 0000000..35d6905
--- /dev/null
+++ b/antlr4-cpp-runtime-4.9.2-source/runtime/src/atn/SetTransition.cpp
@@ -0,0 +1,32 @@
+/* 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 "Token.h"
+#include "misc/IntervalSet.h"
+
+#include "atn/SetTransition.h"
+
+using namespace antlr4;
+using namespace antlr4::atn;
+
+SetTransition::SetTransition(ATNState *target, const misc::IntervalSet &aSet)
+  : Transition(target), set(aSet.isEmpty() ? misc::IntervalSet::of(Token::INVALID_TYPE) : aSet) {
+}
+
+Transition::SerializationType SetTransition::getSerializationType() const {
+  return SET;
+}
+
+misc::IntervalSet SetTransition::label() const {
+  return set;
+}
+
+bool SetTransition::matches(size_t symbol, size_t /*minVocabSymbol*/, size_t /*maxVocabSymbol*/) const {
+  return set.contains(symbol);
+}
+
+std::string SetTransition::toString() const {
+  return "SET " + Transition::toString() + " { set: " + set.toString() + "}";
+}