mirror of
https://github.com/curl/curl.git
synced 2024-12-15 06:40:09 +08:00
ce3dce9015
- delete completed TODO from `./CMakeLists.txt`. - convert a C++ comment to C89 in `./CMake/CurlTests.c`. - delete duplicate EOLs from EOF. - add missing EOL at EOF. - delete whitespace at EOL (except from expected test results). - convert tabs to spaces. - convert CRLF EOLs to LF in GHA yaml. - text casing fixes in `./CMakeLists.txt`. - fix a codespell typo in `packages/OS400/initscript.sh`. Closes #11772
330 lines
9.3 KiB
Perl
Executable File
330 lines
9.3 KiB
Perl
Executable File
#!/usr/bin/env perl
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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#
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###########################################################################
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#
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# Check that the deprecated statuses of functions and enum values in header
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# files, man pages and symbols-in-versions are in sync.
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use strict;
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use warnings;
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use File::Basename;
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my $root=$ARGV[0] || ".";
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my $incdir = "$root/include/curl";
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my $docdir = "$root/docs";
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my $libdocdir = "$docdir/libcurl";
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my $errcode = 0;
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# Symbol-indexed hashes.
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# Values are:
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# X Not deprecated
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# ? Deprecated in unknown version
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# x.yy.z Deprecated in version x.yy.z
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my %syminver; # Symbols-in-versions deprecations.
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my %hdr; # Public header files deprecations.
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my %funcman; # Function man pages deprecations.
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my %optman; # Option man pages deprecations.
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# Scan header file for public function and enum values. Flag them with
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# the version they are deprecated in, if some.
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sub scan_header {
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my ($f)=@_;
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my $line = "";
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my $incomment = 0;
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my $inenum = 0;
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open(my $h, "<", "$f");
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while(<$h>) {
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s/^\s*(.*?)\s*$/$1/; # Trim.
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# Remove multi-line comment trail.
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if($incomment) {
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if($_ !~ /.*?\*\/\s*(.*)$/) {
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next;
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}
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$_ = $1;
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$incomment = 0;
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}
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if($line ne "") {
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# Unfold line.
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$_ = "$line $1";
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$line = "";
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}
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# Remove comments.
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while($_ =~ /^(.*?)\/\*.*?\*\/(.*)$/) {
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$_ = "$1 $2";
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}
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if($_ =~ /^(.*)\/\*/) {
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$_ = "$1 ";
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$incomment = 1;
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}
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s/^\s*(.*?)\s*$/$1/; # Trim again.
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# Ignore preprocessor directives and blank lines.
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if($_ =~ /^(?:#|$)/) {
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next;
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}
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# Handle lines that may be continued as if they were folded.
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if($_ !~ /[;,{}]$/) {
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# Folded line.
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$line = $_;
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next;
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}
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if($_ =~ /CURLOPTDEPRECATED\(/) {
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# Handle deprecated CURLOPT_* option.
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if($_ !~ /CURLOPTDEPRECATED\(\s*(\S+)\s*,(?:.*?,){2}\s*(.*?)\s*,.*"\)/) {
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# Folded line.
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$line = $_;
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next;
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}
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$hdr{$1} = $2;
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}
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elsif($_ =~ /CURLOPT\(/) {
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# Handle non-deprecated CURLOPT_* option.
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if($_ !~ /CURLOPT\(\s*(\S+)\s*(?:,.*?){2}\)/) {
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# Folded line.
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$line = $_;
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next;
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}
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$hdr{$1} = "X";
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}
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else {
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my $version = "X";
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# Get other kind of deprecation from this line.
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if($_ =~ /CURL_DEPRECATED\(/) {
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if($_ !~ /^(.*)CURL_DEPRECATED\(\s*(\S+?)\s*,.*?"\)(.*)$/) {
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# Folded line.
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$line = $_;
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next;
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}
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$version = $2;
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$_ = "$1 $3";
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}
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if($_ =~ /^CURL_EXTERN\s+.*\s+(\S+?)\s*\(/) {
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# Flag public function.
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$hdr{$1} = $version;
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}
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elsif($inenum && $_ =~ /(\w+)\s*[,=}]/) {
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# Flag enum value.
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$hdr{$1} = $version;
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}
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}
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# Remember if we are in an enum definition.
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$inenum |= ($_ =~ /\benum\b/);
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if($_ =~ /}/) {
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$inenum = 0;
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}
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}
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close $h;
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}
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# Scan function man page for options.
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# Each option has to be declared as ".IP <option>" where <option> starts with
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# the prefix. Flag each option with its deprecation version, if some.
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sub scan_man_for_opts {
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my ($f, $prefix)=@_;
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my $opt = "";
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my $line = "";
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open(my $m, "<", "$f");
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while(<$m>) {
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if($_ =~ /^\./) {
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# roff directive found: end current option paragraph.
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my $o = $opt;
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$opt = "";
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if($_ =~ /^\.IP\s+((?:$prefix)_\w+)/) {
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# A new option has been found.
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$opt = $1;
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}
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$_ = $line; # Get full paragraph.
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$line = "";
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s/\\f.//g; # Remove font formatting.
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s/\s+/ /g; # One line with single space only.
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if($o) {
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$funcman{$o} = "X";
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# Check if paragraph is mentioning deprecation.
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while($_ =~ /(?:deprecated|obsoleted?)\b\s*(?:in\b|since\b)?\s*(?:version\b|curl\b|libcurl\b)?\s*(\d[0-9.]*\d)?\b\s*(.*)$/i) {
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$funcman{$o} = $1 || "?";
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$_ = $2;
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}
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}
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}
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else {
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# Text line: accumulate.
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$line .= $_;
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}
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}
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close $m;
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}
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# Scan man page for deprecation in DESCRIPTION and/or AVAILABILITY sections.
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sub scan_man_page {
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my ($path, $sym, $table)=@_;
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my $version = "X";
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if(open(my $fh, "<", "$path")) {
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my $section = "";
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my $line = "";
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while(<$fh>) {
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if($_ =~ /\.so\s+man3\/(.*\.3\b)/) {
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# Handle man page inclusion.
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scan_man_page(dirname($path) . "/$1", $sym, $table);
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$version = exists($$table{$sym})? $$table{$sym}: $version;
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}
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elsif($_ =~ /^\./) {
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# Line is a roff directive.
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if($_ =~ /^\.SH\b\s*(\w*)/) {
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# Section starts. End previous one.
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my $sh = $section;
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$section = $1;
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$_ = $line; # Previous section text.
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$line = "";
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s/\\f.//g;
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s/\s+/ /g;
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s/\\f.//g; # Remove font formatting.
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s/\s+/ /g; # One line with single space only.
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if($sh =~ /DESCRIPTION|AVAILABILITY/) {
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while($_ =~ /(?:deprecated|obsoleted?)\b\s*(?:in\b|since\b)?\s*(?:version\b|curl\b|libcurl\b)?\s*(\d[0-9.]*\d)?\b\s*(.*)$/i) {
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# Flag deprecation status.
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if($version ne "X" && $version ne "?") {
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if($1 && $1 ne $version) {
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print "error: $sym man page lists unmatching deprecation versions $version and $1\n";
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$errcode++;
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}
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}
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else {
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$version = $1 || "?";
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}
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$_ = $2;
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}
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}
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}
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}
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else {
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# Text line: accumulate.
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$line .= $_;
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}
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}
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close $fh;
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$$table{$sym} = $version;
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}
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}
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# Read symbols-in-versions.
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open(my $fh, "<", "$libdocdir/symbols-in-versions") ||
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die "$libdocdir/symbols-in-versions";
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while(<$fh>) {
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if($_ =~ /^((?:CURL|LIBCURL)\S+)\s+\S+\s*(\S*)\s*(\S*)$/) {
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if($3 eq "") {
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$syminver{$1} = "X";
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if($2 ne "" && $2 ne ".") {
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$syminver{$1} = $2;
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}
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}
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}
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}
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close($fh);
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# Get header file names,
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opendir(my $dh, $incdir) || die "Can't opendir $incdir";
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my @hfiles = grep { /\.h$/ } readdir($dh);
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closedir $dh;
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# Get functions and enum symbols from header files.
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for(@hfiles) {
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scan_header("$incdir/$_");
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}
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# Get function statuses from man pages.
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foreach my $sym (keys %hdr) {
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if($sym =~/^(?:curl|curlx)_\w/) {
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scan_man_page("$libdocdir/$sym.3", $sym, \%funcman);
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}
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}
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# Get options from function man pages.
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scan_man_for_opts("$libdocdir/curl_easy_setopt.3", "CURLOPT");
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scan_man_for_opts("$libdocdir/curl_easy_getinfo.3", "CURLINFO");
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# Get deprecation status from option man pages.
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foreach my $sym (keys %syminver) {
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if($sym =~ /^(?:CURLOPT|CURLINFO)_\w+$/) {
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scan_man_page("$libdocdir/opts/$sym.3", $sym, \%optman);
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}
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}
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# Print results.
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my %keys = (%syminver, %funcman, %optman, %hdr);
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my $leader = <<HEADER
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Legend:
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<empty> Not listed
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X Not deprecated
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? Deprecated in unknown version
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x.yy.z Deprecated in version x.yy.z
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Symbol symbols-in func man opt man .h
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-versions
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HEADER
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;
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foreach my $sym (sort {$a cmp $b} keys %keys) {
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if($sym =~ /^(?:CURLOPT|CURLINFO|curl|curlx)_\w/) {
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my $s = exists($syminver{$sym})? $syminver{$sym}: " ";
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my $f = exists($funcman{$sym})? $funcman{$sym}: " ";
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my $o = exists($optman{$sym})? $optman{$sym}: " ";
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my $h = exists($hdr{$sym})? $hdr{$sym}: " ";
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my $r = " ";
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# There are deprecated symbols in symbols-in-versions that are aliases
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# and thus not listed anywhere else. Ignore them.
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"$f$o$h" =~ /[X ]{3}/ && next;
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# Check for inconsistencies between deprecations from the different sources.
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foreach my $k ($s, $f, $o, $h) {
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$r = $r eq " "? $k: $r;
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if($k ne " " && $r ne $k) {
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if($r eq "?") {
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$r = $k ne "X"? $k: "!";
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}
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elsif($r eq "X" || $k ne "?") {
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$r = "!";
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}
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}
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}
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if($r eq "!") {
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print $leader;
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$leader = "";
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printf("%-38s %-11s %-9s %-9s %s\n", $sym, $s, $f, $o, $h);
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$errcode++;
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}
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}
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}
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exit $errcode;
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