1 files changed, 33 insertions, 0 deletions
diff --git a/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/tree/pattern/TagChunk.cpp b/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/tree/pattern/TagChunk.cpp
new file mode 100644
index 0000000000..232581d16c
--- /dev/null
+++ b/deps/v8/third_party/antlr4/runtime/Cpp/runtime/src/tree/pattern/TagChunk.cpp
@@ -0,0 +1,33 @@
+/* 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 "tree/pattern/TagChunk.h"
+
+using namespace antlr4::tree::pattern;
+
+TagChunk::TagChunk(const std::string& tag) : TagChunk("", tag) {}
+
+TagChunk::TagChunk(const std::string& label, const std::string& tag)
+    : _tag(tag), _label(label) {
+  if (tag.empty()) {
+    throw IllegalArgumentException("tag cannot be null or empty");
+  }
+}
+
+TagChunk::~TagChunk() {}
+
+std::string TagChunk::getTag() { return _tag; }
+
+std::string TagChunk::getLabel() { return _label; }
+
+std::string TagChunk::toString() {
+  if (!_label.empty()) {
+    return _label + ":" + _tag;
+  }
+
+  return _tag;
+}