Add a specialized token factory

[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / antlr / CompactYangStatementLexer.java

diff --git a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/antlr/CompactYangStatementLexer.java b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/antlr/CompactYangStatementLexer.java
new file mode 100644 (file)
index 0000000..39d9831
--- /dev/null
+++ b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/antlr/CompactYangStatementLexer.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.yangtools.yang.parser.rfc7950.antlr;
+
+import com.google.common.annotations.Beta;
+import org.antlr.v4.runtime.CharStream;
+import org.opendaylight.yangtools.antlrv4.code.gen.YangStatementLexer;
+
+/**
+ * A {@link YangStatementLexer} backed by more efficient token factory. Exact details are explicitly outside of
+ * specification.
+ */
+@Beta
+public class CompactYangStatementLexer extends YangStatementLexer {
+    public CompactYangStatementLexer(final CharStream input) {
+        super(input);
+        setTokenFactory(CompactTokenFactory.INSTANCE);
+    }
+}