stylecheck: Add uncrastify exception for STATS

Uncrustify removes leading spaces from STATS.
This simple awk scrip if executed after uncrustify
inserts spaces when expected

Signed-off-by: Jerzy Kasenberg <[email protected]>

.github/check_style.py

@@ -61,6 +61,7 @@ def check_file(fname: str, commit: str, upstream: str) -> list[str]:
         in_chunk = False
 
         for s in run_cmd(f"uncrustify -q -c uncrustify.cfg -f {tmpf.name} | "
+                         f"awk -f uncrustify.awk | "
                          f"diff -u0 -p {tmpf.name} - || true"):
             m = re.match(r"^@@ -(\d+)(?:,(\d+))? \+\d+(?:,\d+)? @@", s)
             if not m:

uncrustify.awk

@@ -0,0 +1,37 @@
+#
+# 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.
+#
+
+# awk script run AFTER uncrustify reformats code to format
+# STATS_NAME and STATS_SECT block to have indents removed
+# by uncrustify
+
+# detect begining of STATS_NAME section
+/^(static )?STATS_NAME_START[(]/ { stats_name = 1 }
+# detect end of STATN_NAME section
+/^STATS_NAME_END/ { stats_name = 0 }
+# for each line in sectin add 4 spaces eaten by uncrustify
+/^STATS_NAME[(]/ && stats_name == 1 { printf "    " }
+
+# detect begining of STATS_SECT section
+/^STATS_SECT_START[(]/ { stats_sect = 1 }
+# detect end of STATN_SECT section
+/^STATS_SECT_END/ { stats_sect = 0 }
+# for each line in sectin add 4 spaces eaten by uncrustify
+/^STATS_SECT_ENTRY[(]/ && stats_sect == 1 { printf "    " }
+{ print }