1 files changed, 49 insertions, 0 deletions
diff --git a/src/arrow/cpp/src/gandiva/make_precompiled_bitcode.py b/src/arrow/cpp/src/gandiva/make_precompiled_bitcode.py
new file mode 100644
index 000000000..97d96f8a8
--- /dev/null
+++ b/src/arrow/cpp/src/gandiva/make_precompiled_bitcode.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import sys
+
+marker = b"<DATA_CHARS>"
+
+def expand(data):
+    """
+    Expand *data* as a initializer list of hexadecimal char escapes.
+    """
+    expanded_data = ", ".join([hex(c) for c in bytearray(data)])
+    return expanded_data.encode('ascii')
+
+
+def apply_template(template, data):
+    if template.count(marker) != 1:
+        raise ValueError("Invalid template")
+    return template.replace(marker, expand(data))
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 4:
+        raise ValueError("Usage: {0} <template file> <data file> "
+                         "<output file>".format(sys.argv[0]))
+    with open(sys.argv[1], "rb") as f:
+        template = f.read()
+    with open(sys.argv[2], "rb") as f:
+        data = f.read()
+
+    expanded_data = apply_template(template, data)
+    with open(sys.argv[3], "wb") as f:
+        f.write(expanded_data)