diff options
Diffstat (limited to 'maintainer/check-perl-protos')
-rwxr-xr-x | maintainer/check-perl-protos | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/maintainer/check-perl-protos b/maintainer/check-perl-protos new file mode 100755 index 000000000..b1d6a72b5 --- /dev/null +++ b/maintainer/check-perl-protos @@ -0,0 +1,50 @@ +#!/usr/bin/env perl +# +# Copyright (C) 2017 Free Software Foundation, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +use warnings; +use strict; + +my @lines = <>; +my %forwards = map { /^sub (\w+)\s*\((.*)\);$/ ? ("$1" => "$2") : () } @lines; +my %subs = map { /^sub (\w+)\s*\((.*)\)$/ ? ("$1" => "$2") : () } @lines; +my $error_count = 0; + +# $subs{"foo"} = "$$"; +# $subs{"bar"} = "@"; +# $forwards{"bar"} = "\$"; + +# Check that every subroutine has a matching forward declaration with +# the same prototype. +foreach my $sub (keys (%subs)) + { + # XXX: The location of the subroutine is not reported. + if (grep { $sub eq $_ } keys (%forwards)) + { + if ($forwards{$sub} ne $subs{$sub}) + { + $error_count += 1; + warn ("prototype mismatch for \"$sub\" subroutine\n"); + } + } + else + { + $error_count += 1; + warn ("missing prototype for \"$sub\" subroutine\n"); + } + } + +exit (($error_count == 0) ? 0 : 1); |