1 files changed, 41 insertions, 0 deletions
diff --git a/lib/antlr/src/TokenRefCount.cpp b/lib/antlr/src/TokenRefCount.cpp
new file mode 100644
index 00000000..0afb0f84
--- /dev/null
+++ b/lib/antlr/src/TokenRefCount.cpp
@@ -0,0 +1,41 @@
+/* ANTLR Translator Generator
+ * Project led by Terence Parr at http://www.jGuru.com
+ * Software rights: http://www.antlr.org/license.html
+ *
+ * $Id:$
+ */
+#include "antlr/TokenRefCount.hpp"
+#include "antlr/Token.hpp"
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+namespace antlr {
+#endif
+
+TokenRef::TokenRef(Token* p)
+: ptr(p), count(1)
+{
+	if (p && !p->ref)
+		p->ref = this;
+}
+
+TokenRef::~TokenRef()
+{
+	delete ptr;
+}
+
+TokenRef* TokenRef::getRef(const Token* p)
+{
+	if (p) {
+		Token* pp = const_cast<Token*>(p);
+		if (pp->ref)
+			return pp->ref->increment();
+		else
+			return new TokenRef(pp);
+	} else
+		return 0;
+}
+
+#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
+}
+#endif
+