Add a tool to generate data for Module::CoreList

p4raw-id: //depot/perl@24115

diff --git a/MANIFEST b/MANIFEST
index f142b85..6adb4be 100644 (file)
--- a/MANIFEST
+++ b/MANIFEST
@@ -2361,6 +2361,7 @@ Porting/config_H  Sample config.h
 Porting/config.sh      Sample config.sh
 Porting/Contract       Social contract for contributed modules in Perl core
 Porting/corecpan.pl    Reports outdated dual-lived modules
+Porting/corelist.pl    Generates data for Module::CoreList
 Porting/curliff.pl     Curliff or liff your curliffable files.
 Porting/findrfuncs     Find reentrant variants of functions used in an executable
 Porting/findvars       Find occurrences of words

diff --git a/Porting/corelist.pl b/Porting/corelist.pl
new file mode 100644 (file)
index 0000000..e9d51ad
--- /dev/null
+++ b/Porting/corelist.pl
@@ -0,0 +1,35 @@
+#!perl
+# Generates info for Module::CoreList from this perl tree
+# run this from the root of a clean perl tree
+
+use 5.9.0;
+use strict;
+use warnings;
+use File::Find;
+use ExtUtils::MM_Unix;
+
+my @lines;
+find(sub {
+    /(\.pm|_pm\.PL)$/ or return;
+    /PPPort_pm\.PL/ and return;
+    my $module = $File::Find::name;
+    $module =~ /\b(demo|t)\b/ and return; # demo or test modules
+    my $version = MM->parse_version($_) // 'undef';
+    $version =~ /\d/ and $version = "'$version'";
+    # some heuristics to figure out the module name from the file name
+    $module =~ s{^(lib|ext)/}{}
+       and $1 eq 'ext'
+       and ( $module =~ s{^(.*)/lib/\1\b}{$1},
+             $module =~ s{(\w+)/\1\b}{$1},
+             $module =~ s{^Encode/encoding}{encoding},
+             $module =~ s{^MIME/Base64/QuotedPrint}{MIME/QuotedPrint},
+             $module =~ s{^List/Util/lib/Scalar}{Scalar},
+             $module =~ s{^(?:DynaLoader|Errno)/}{},
+           );
+    $module =~ s{/}{::}g;
+    $module =~ s/(\.pm|_pm\.PL)$//;
+    push @lines, sprintf "\t%-24s=> $version,\n", "'$module'";
+}, 'lib', 'ext');
+print "    $] => {\n";
+print sort @lines;
+print "    },\n";