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apply-clang-tidy.sh revision 1.1.1.1.2.2
      1 #! /usr/bin/env bash
      2 #                          __  __            _
      3 #                       ___\ \/ /_ __   __ _| |_
      4 #                      / _ \\  /| '_ \ / _` | __|
      5 #                     |  __//  \| |_) | (_| | |_
      6 #                      \___/_/\_\ .__/ \__,_|\__|
      7 #                               |_| XML parser
      8 #
      9 # Copyright (c) 2024-2026 Sebastian Pipping <sebastian (at] pipping.org>
     10 # Licensed under the MIT license:
     11 #
     12 # Permission is  hereby granted,  free of charge,  to any  person obtaining
     13 # a  copy  of  this  software   and  associated  documentation  files  (the
     14 # "Software"),  to  deal in  the  Software  without restriction,  including
     15 # without  limitation the  rights  to use,  copy,  modify, merge,  publish,
     16 # distribute, sublicense, and/or sell copies of the Software, and to permit
     17 # persons  to whom  the Software  is  furnished to  do so,  subject to  the
     18 # following conditions:
     19 #
     20 # The above copyright  notice and this permission notice  shall be included
     21 # in all copies or substantial portions of the Software.
     22 #
     23 # THE  SOFTWARE  IS  PROVIDED  "AS  IS",  WITHOUT  WARRANTY  OF  ANY  KIND,
     24 # EXPRESS  OR IMPLIED,  INCLUDING  BUT  NOT LIMITED  TO  THE WARRANTIES  OF
     25 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
     26 # NO EVENT SHALL THE AUTHORS OR  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
     27 # DAMAGES OR  OTHER LIABILITY, WHETHER  IN AN  ACTION OF CONTRACT,  TORT OR
     28 # OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
     29 # USE OR OTHER DEALINGS IN THE SOFTWARE.
     30 
     31 set -e -u -o pipefail
     32 
     33 cd "$(dirname "$(type -P "$0")")"
     34 
     35 checks_to_enable=(
     36     bugprone-narrowing-conversions
     37     bugprone-suspicious-string-compare
     38     misc-no-recursion
     39     readability-avoid-const-params-in-decls
     40     readability-named-parameter
     41 )
     42 checks_to_enable_flat="${checks_to_enable[*]}"  # i.e. flat string separated by spaces
     43 
     44 checks_to_disable=(
     45     # Would need a closer look before any adjustments
     46     clang-analyzer-optin.performance.Padding
     47 
     48     # Used only in xmlwf, manually checked to be good enough for now
     49     clang-analyzer-security.insecureAPI.strcpy
     50 )
     51 checks_to_disable_flat="${checks_to_disable[*]}"  # i.e. flat string separated by spaces
     52 
     53 checks="${checks_to_enable_flat// /,},-${checks_to_disable_flat// /,-}"
     54 
     55 args=(
     56     --checks="${checks}"
     57     --header-filter='.*'  # .. to display errors from all non-system headers
     58     --warnings-as-errors=\*
     59 )
     60 
     61 flags=(
     62     -std=c99
     63 
     64     -Ilib/
     65 
     66     -DENCODING_FOR_FUZZING=UTF-8
     67     -DXML_ATTR_INFO
     68     -DXML_CLANG_TIDY
     69     -DXML_DTD
     70     -DXML_GE
     71     -DXML_NS
     72     -DXML_TESTING
     73 )
     74 
     75 if [[ $# -gt 0 ]]; then
     76     files=( "$@" )
     77 else
     78     # For the list of excluded files please note:
     79     # https://github.com/libexpat/libexpat/issues/119
     80     files=( $(
     81         git ls-files -- \*.c | grep -v \
     82         -e '^lib/xcsinc\.c$' \
     83         -e '^xmlwf/ct\.c$' \
     84         -e '^xmlwf/xmlmime\.c$' \
     85         -e '^xmlwf/win32filemap\.c$' \
     86     ) )
     87 fi
     88 
     89 set -x
     90 
     91 type -P clang-tidy
     92 
     93 clang-tidy --version
     94 
     95 clang-tidy --checks="${checks}" --verify-config
     96 
     97 clang-tidy --checks="${checks}" --list-checks
     98 
     99 # These are the checks clang-tidy has *more* that so far we are missing out on,
    100 # for good and for bad
    101 clang-tidy --checks=\* --list-checks \
    102     | grep -v -f <(clang-tidy --checks="${checks}" --list-checks | xargs -n1) \
    103     | sed 's,\(\s*\)\([^-]\+\)-[^ ]\+,\1\2-*,' \
    104     | sort -u \
    105     | sed 's/^$/Disabled checks (simplified):/'
    106 
    107 pwd
    108 
    109 exec clang-tidy "${args[@]}" "${files[@]}" -- "${flags[@]}"
    110