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authorJesse Luehrs <doy@tozt.net>2012-09-25 03:51:14 -0500
committerJesse Luehrs <doy@tozt.net>2012-09-25 09:09:23 -0500
commit04ff073f4b6c9f7c5b178bb492893b4dd5053b6c (patch)
tree1307e6d9865680dd082c31489682efde574af07a /regen_perly.pl
parente9d2327de9f57c23ca9f4b2b17818e696b0b031e (diff)
downloadperl-04ff073f4b6c9f7c5b178bb492893b4dd5053b6c.tar.gz
fix regen_perly.pl for bison 2.6
Diffstat (limited to 'regen_perly.pl')
-rw-r--r--regen_perly.pl10
1 files changed, 7 insertions, 3 deletions
diff --git a/regen_perly.pl b/regen_perly.pl
index 124b031edb..a49e30e13f 100644
--- a/regen_perly.pl
+++ b/regen_perly.pl
@@ -73,7 +73,7 @@ unless ($version) { die <<EOF; }
Could not find a version of bison in your path. Please install bison.
EOF
-unless ($version =~ /\b(1\.875[a-z]?|2\.[01345])\b/) { die <<EOF; }
+unless ($version =~ /\b(1\.875[a-z]?|2\.[013456])\b/) { die <<EOF; }
You have the wrong version of bison in your path; currently 1.875
2.0, 2.1, 2.3, 2.4 or 2.5 is required. Try installing
@@ -116,9 +116,13 @@ open my $tmph_fh, '<', $tmph_file or die "Can't open $tmph_file: $!\n";
my $endcore_done = 0;
# Token macros need to be generated manually from bison 2.4 on
-my $gather_tokens = ($version =~ /\b2\.[45]\b/ ? undef : 0);
+my $gather_tokens = ($version =~ /\b2\.[456]\b/ ? undef : 0);
my $tokens;
while (<$tmph_fh>) {
+ # bison 2.6 adds header guards, which break things because of where we
+ # insert #ifdef PERL_CORE, so strip them because they aren't important
+ next if /YY_PERLYTMP_H/;
+
print $h_fh "#ifdef PERL_CORE\n" if $. == 1;
if (!$endcore_done and /YYSTYPE_IS_DECLARED/) {
print $h_fh <<h;
@@ -302,7 +306,7 @@ sub make_type_tab {
{ "toketype_" .
(defined $tokens{$1} ? $tokens{$1} : $default_token)
}ge;
- $fields =~ s/, \s* 0 \s* $//x
+ $fields =~ s/, \s* (?:0|YY_NULL) \s* $//x
or die "make_type_tab: couldn't delete trailing ',0'\n";
return