Generate absolute #line for the packed modules

Generate a #line at the beginning of each packed module so we can easily
track errors: the error file/line will now be reported absolute from the
packed script.

diff --git a/lib/App/FatPacker.pm b/lib/App/FatPacker.pm
index ec006a4..16b8cdd 100644 (file)
--- a/lib/App/FatPacker.pm
+++ b/lib/App/FatPacker.pm
@@ -295,7 +295,7 @@ sub fatpack_code {
     (my $stub = $_) =~ s/\.pm$//;
     my $name = uc join '_', split '/', $stub;
     my $data = $files->{$_}; $data =~ s/^/  /mg; $data =~ s/(?<!\n)\z/\n/;
-    '$fatpacked{'.perlstring($_).qq!} = <<'${name}';\n!
+    '$fatpacked{'.perlstring($_).qq!} = '#line '.(1+__LINE__).' "'.__FILE__."\\"\\n".<<'${name}';\n!
     .qq!${data}${name}\n!;
   } sort keys %$files;
 
@@ -355,6 +355,8 @@ ether - Karen Etheridge (cpan:ETHER) <ether@cpan.org>
 
 Mithaldu - Christian Walde (cpan:MITHALDU) <walde.christian@googlemail.com>
 
+dolmen - Olivier Mengué (cpan:DOLMEN) <dolmen@cpan.org>
+
 Many more people are probably owed thanks for ideas. Yet
 another doc nit to fix.
 

diff --git a/t/line.t b/t/line.t
new file mode 100644 (file)
index 0000000..ac1f7b4
--- /dev/null
+++ b/t/line.t
@@ -0,0 +1,23 @@
+#!perl
+use strict;
+use warnings FATAL => 'all';
+use Test::More tests => 3;
+use File::Temp qw/tempdir/;
+use File::Spec;
+
+BEGIN { use_ok "App::FatPacker", "" }
+
+chdir 't/line';
+
+my $fp = App::FatPacker->new;
+my $temp_fh = File::Temp->new;
+select $temp_fh;
+$fp->script_command_file([ 'line-test.pl' ]);
+select STDOUT;
+close $temp_fh;
+
+# make sure we don't pick up things from our created dir
+chdir File::Spec->tmpdir;
+
+# Packed, now try using it. This should run the tests inside t/line/a.pm
+do $temp_fh;

diff --git a/t/line/lib/line/a.pm b/t/line/lib/line/a.pm
new file mode 100644 (file)
index 0000000..db45e6b
--- /dev/null
+++ b/t/line/lib/line/a.pm
@@ -0,0 +1,9 @@
+
+# This file will be included in the packed file generated by t/line.t
+
+# Check that the name is the one of the packed file
+is __FILE__, $main_file, '__FILE__';
+# Check that the line is the one where the module code starts in the packed file
+is __LINE__, 14, '__LINE__';
+
+1;

diff --git a/t/line/line-test.pl b/t/line/line-test.pl
new file mode 100644 (file)
index 0000000..f1cc2da
--- /dev/null
+++ b/t/line/line-test.pl
@@ -0,0 +1,14 @@
+
+# To run this test manually:
+# perl -I../../lib ../../bin/fatpack file line-test.pl | perl
+
+package OurTest;
+
+use Test::More;
+
+our $main_file = __FILE__;
+note "File: $main_file";
+
+# Run the tests in the packed file
+do 'line/a.pm';
+