Include Mouse::PurePerl first

[gitmo/Mouse.git] / author / generate-mouse-tiny.pl

diff --git a/author/generate-mouse-tiny.pl b/author/generate-mouse-tiny.pl
index f594601..0fd1963 100755 (executable)
--- a/author/generate-mouse-tiny.pl
+++ b/author/generate-mouse-tiny.pl
@@ -2,10 +2,26 @@
 use strict;
 use warnings;
 use File::Find;
-use File::Slurp 'slurp';
-use List::MoreUtils 'uniq';
+use Fatal qw(open close);
+#use File::Slurp 'slurp';
+#use List::MoreUtils 'uniq';
+#use autodie;
 
-unlink 'lib/Mouse/Tiny.pm';
+print "Generate Mouse::Tiny ...\n";
+
+sub slurp {
+    open my $in, '<', $_[0];
+    local $/;
+    return scalar <$in>;
+}
+sub uniq{
+    my %seen;
+    return grep{ !$seen{$_}++ } @_;
+}
+
+require 'lib/Mouse/Spec.pm';
+
+my $MouseTinyFile = shift || 'lib/Mouse/Tiny.pm';
 
 my @files;
 
@@ -13,54 +29,78 @@ find({
     wanted => sub {
         push @files, $_
             if -f $_
-            && !/Squirrel|MouseX|\.sw[po]$/
-            && !/\bouse/
+            &&  /\.pm$/
+            && !/Squirrel/
+            && !/Tiny/
+            && !/Spec/         # has no functionality
+            && !/TypeRegistry/ # deprecated
+            && !/\bouse/       # ouse.pm
     },
     no_chdir => 1,
 }, 'lib');
 
 my $mouse_tiny = '';
 
-for my $file (uniq 'lib/Mouse/Util.pm', sort @files) {
+for my $file (uniq
+        'lib/Mouse/PurePerl.pm',
+        'lib/Mouse/Exporter.pm',
+        'lib/Mouse/Util.pm',
+        'lib/Mouse/Meta/TypeConstraint.pm',
+        'lib/Mouse/Util/TypeConstraints.pm',
+            sort @files) {
+
     my $contents = slurp $file;
 
     $contents =~ s/__END__\b.*//s;          # remove documentation
     $contents =~ s/1;\n*$//;                # remove success indicator
 
-    $contents =~ s/^use Mouse\S*\s*\n//mg;  # we're already loading everything
-    $contents =~ s/^use (Mouse\S*)\s*(.+);/BEGIN { $1->import($2) }/mg;
-
+    $mouse_tiny .= "BEGIN{ # #file\n";
     $mouse_tiny .= $contents;
+    $mouse_tiny .= "}\n";
 }
 
-open my $handle, '>lib/Mouse/Tiny.pm' or die "Can't write lib/Mouse/Tiny.pm: $!";
+open my $handle, ">$MouseTinyFile";
 
-print { $handle } << 'EOF';
-# THIS FILE IS AUTOGENERATED!
+print { $handle } << "EOF";
+# This file was generated by $0 from Mouse $Mouse::Spec::VERSION.
+#
+# ANY CHANGES MADE HERE WILL BE LOST!
+
+EOF
 
+print { $handle } << 'EOF';
 # if regular Mouse is loaded, bail out
 unless ($INC{'Mouse.pm'}) {
-eval q{
-
-# tell Perl we already have all of the Mouse files loaded:
+    # tell Perl we already have all of the Mouse files loaded:
 EOF
 
 for my $file (@files) {
     (my $inc = $file) =~ s{^lib/}{};
-    print { $handle } "\$INC{'$inc'} = __FILE__;\n";
+    printf { $handle } "%-45s = __FILE__;\n", "\$INC{'$inc'}";
 }
 
+print { $handle } << 'EOF';
+eval sprintf("#line %d %s\n", __LINE__, __FILE__) . <<'END_OF_TINY';
+EOF
+
 print { $handle } "\n# and now their contents\n\n";
 
 print { $handle } $mouse_tiny;
 
-print { $handle } "}; #eval\n} #unless\n\n";
+print { $handle } << 'EOF';
+END_OF_TINY
+    die $@ if $@;
+} # unless Mouse.pm is loaded
+EOF
 
 print { $handle } << 'EOF';
 package Mouse::Tiny;
-use base 'Mouse';
 
+Mouse::Exporter->setup_import_methods(also => 'Mouse');
+
+1;
 EOF
 
-print { $handle } "1;\n\n";
+close $handle;
 
+print "done.\n";