From 51bbf548c9b442d0b53b6c8de5f89403de274424 Mon Sep 17 00:00:00 2001
From: Martin Braun <martin.braun@ettus.com>
Date: Sun, 3 Feb 2019 11:37:30 +0100
Subject: deps: Add PyBind11

---
 host/lib/deps/pybind11/remove_comments.py | 55 +++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 host/lib/deps/pybind11/remove_comments.py

(limited to 'host/lib/deps/pybind11/remove_comments.py')

diff --git a/host/lib/deps/pybind11/remove_comments.py b/host/lib/deps/pybind11/remove_comments.py
new file mode 100644
index 000000000..987c41e9d
--- /dev/null
+++ b/host/lib/deps/pybind11/remove_comments.py
@@ -0,0 +1,55 @@
+#!/usr/bin/python3
+"""
+Simple program to remove all comments from pybind11 files.
+It will retain the copyright header.
+"""
+import re
+import os
+
+# Note: This is the default header of the PyBind11 files, not of this file!
+DEFAULT_HEADER="""/*
+    Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>
+
+    All rights reserved. Use of this source code is governed by a
+    BSD-style license that can be found in the LICENSE file.
+*/
+"""
+
+def comment_remover(text):
+    """
+    From:
+    https://stackoverflow.com/questions/241327/python-snippet-to-remove-c-and-c-comments
+    """
+    def replacer(match):
+        s = match.group(0)
+        if s.startswith('/'):
+            return " " # note: a space and not an empty string
+        else:
+            return s
+    pattern = re.compile(
+        r'//.*?$|/\*.*?\*/|\'(?:\\.|[^\\\'])*\'|"(?:\\.|[^\\"])*"',
+        re.DOTALL | re.MULTILINE
+    )
+    return re.sub(pattern, replacer, text)
+
+def remove_trailing_whitespace(text):
+    """ Remove, uh, trailing whitespace. """
+    pattern = re.compile(r' +$',
+        re.DOTALL | re.MULTILINE
+    )
+    return re.sub(pattern, '', text)
+
+
+def main():
+    """ Go Go Go! """
+    for root, _, files in os.walk("include/pybind11"):
+        for fname in files:
+            path = os.path.join(root, fname)
+            print("Modifying {}...".format(path))
+            new_file = comment_remover(open(os.path.join(root, fname)).read())
+            new_file = remove_trailing_whitespace(new_file)
+            open(os.path.join(root, fname), 'w').write(
+                DEFAULT_HEADER + new_file)
+
+if __name__ == "__main__":
+    main()
-- 
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