1 files changed, 36 insertions, 0 deletions
diff --git a/tools/net/sunrpc/xdrgen/xdr_parse.py b/tools/net/sunrpc/xdrgen/xdr_parse.py
new file mode 100644
index 000000000000..964b44e675df
--- /dev/null
+++ b/tools/net/sunrpc/xdrgen/xdr_parse.py
@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+# ex: set filetype=python:
+
+"""Common parsing code for xdrgen"""
+
+from lark import Lark
+
+
+# Set to True to emit annotation comments in generated source
+annotate = False
+
+
+def set_xdr_annotate(set_it: bool) -> None:
+    """Set 'annotate' if --annotate was specified on the command line"""
+    global annotate
+    annotate = set_it
+
+
+def get_xdr_annotate() -> bool:
+    """Return True if --annotate was specified on the command line"""
+    return annotate
+
+
+def xdr_parser() -> Lark:
+    """Return a Lark parser instance configured with the XDR language grammar"""
+
+    return Lark.open(
+        "grammars/xdr.lark",
+        rel_to=__file__,
+        start="specification",
+        debug=True,
+        strict=True,
+        propagate_positions=True,
+        parser="lalr",
+        lexer="contextual",
+    )