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80 lines
2.4 KiB
80 lines
2.4 KiB
#!/usr/bin/env perl
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# Detect comment blocks that are likely meant to be doxygen blocks but aren't.
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#
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# More precisely, look for normal comment block containing '\'.
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# Of course one could use doxygen warnings, eg with:
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# sed -e '/EXTRACT/s/YES/NO/' doxygen/mbedtls.doxyfile | doxygen -
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# but that would warn about any undocumented item, while our goal is to find
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# items that are documented, but not marked as such by mistake.
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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use warnings;
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use strict;
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use File::Basename;
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# C/header files in the following directories will be checked
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my @directories = qw(include/mbedtls library doxygen/input);
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# very naive pattern to find directives:
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# everything with a backslach except '\0' and backslash at EOL
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my $doxy_re = qr/\\(?!0|\n)/;
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# Return an error code to the environment if a potential error in the
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# source code is found.
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my $exit_code = 0;
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sub check_file {
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my ($fname) = @_;
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open my $fh, '<', $fname or die "Failed to open '$fname': $!\n";
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# first line of the last normal comment block,
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# or 0 if not in a normal comment block
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my $block_start = 0;
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while (my $line = <$fh>) {
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$block_start = $. if $line =~ m/\/\*(?![*!])/;
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$block_start = 0 if $line =~ m/\*\//;
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if ($block_start and $line =~ m/$doxy_re/) {
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print "$fname:$block_start: directive on line $.\n";
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$block_start = 0; # report only one directive per block
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$exit_code = 1;
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}
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}
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close $fh;
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}
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sub check_dir {
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my ($dirname) = @_;
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for my $file (<$dirname/*.[ch]>) {
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check_file($file);
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}
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}
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# Check that the script is being run from the project's root directory.
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for my $dir (@directories) {
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if (! -d $dir) {
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die "This script must be run from the mbed TLS root directory";
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} else {
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check_dir($dir)
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}
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}
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exit $exit_code;
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__END__
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