Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 59 insertions, 0 deletions

diff --git a/src/boost/libs/metaparse/tools/benchmark/char_stat.py b/src/boost/libs/metaparse/tools/benchmark/char_stat.py
new file mode 100755
index 00000000..be5935dd
--- /dev/null
+++ b/src/boost/libs/metaparse/tools/benchmark/char_stat.py
@@ -0,0 +1,59 @@
+#!/usr/bin/python
+"""Utility to generate character statistics about a number of source files"""
+
+# Copyright Abel Sinkovics (abel@sinkovics.hu) 2016.
+# Distributed under the Boost Software License, Version 1.0.
+#    (See accompanying file LICENSE_1_0.txt or copy at
+#          http://www.boost.org/LICENSE_1_0.txt)
+
+import argparse
+import os
+
+
+def count_characters(root, out):
+    """Count the occurrances of the different characters in the files"""
+    if os.path.isfile(root):
+        with open(root, 'rb') as in_f:
+            for line in in_f:
+                for char in line:
+                    if char not in out:
+                        out[char] = 0
+                    out[char] = out[char] + 1
+    elif os.path.isdir(root):
+        for filename in os.listdir(root):
+            count_characters(os.path.join(root, filename), out)
+
+
+def generate_statistics(root):
+    """Generate the statistics from all files in root (recursively)"""
+    out = dict()
+    count_characters(root, out)
+    return out
+
+
+def main():
+    """The main function of the script"""
+    desc = 'Generate character statistics from a source tree'
+    parser = argparse.ArgumentParser(description=desc)
+    parser.add_argument(
+        '--src',
+        dest='src',
+        required=True,
+        help='The root of the source tree'
+    )
+    parser.add_argument(
+        '--out',
+        dest='out',
+        default='chars.py',
+        help='The output filename'
+    )
+
+    args = parser.parse_args()
+
+    stats = generate_statistics(args.src)
+    with open(args.out, 'wb') as out_f:
+        out_f.write('CHARS={0}\n'.format(stats))
+
+
+if __name__ == '__main__':
+    main()