Alexandre Julliard : tools: Add a script to help synchronize spec files that share an implementation.
Alexandre Julliard
julliard at winehq.org
Tue May 3 13:30:55 CDT 2011
Module: wine
Branch: master
Commit: 2623e329cbd21fdbc33a4ebdccc7bd99bda6bda3
URL: http://source.winehq.org/git/wine.git/?a=commit;h=2623e329cbd21fdbc33a4ebdccc7bd99bda6bda3
Author: Alexandre Julliard <julliard at winehq.org>
Date: Tue May 3 12:02:25 2011 +0200
tools: Add a script to help synchronize spec files that share an implementation.
---
tools/make_specfiles | 195 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 195 insertions(+), 0 deletions(-)
diff --git a/tools/make_specfiles b/tools/make_specfiles
new file mode 100755
index 0000000..b911866
--- /dev/null
+++ b/tools/make_specfiles
@@ -0,0 +1,195 @@
+#!/usr/bin/perl -w
+#
+# Update spec files across dlls that share an implementation
+#
+# Copyright 2011 Alexandre Julliard
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library 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
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+#
+
+use strict;
+
+my %funcs;
+my $group_head;
+
+my @dll_groups =
+(
+ [
+ "msvcrt",
+ "msvcr90",
+ "msvcirt",
+ "msvcr100",
+ "msvcr80",
+ "msvcr71",
+ "msvcr70",
+ "msvcrt40",
+ "msvcrt20",
+ "msvcrtd",
+ "crtdll",
+ ],
+ [
+ "msvcrt",
+ "msvcp90",
+ "msvcp100",
+ "msvcp80",
+ "msvcp71",
+ "msvcp70",
+ "msvcp60",
+ ],
+);
+
+my $update_flags = 0;
+my $show_duplicates = 0;
+
+foreach my $arg (@ARGV)
+{
+ if ($arg eq "-f") { $update_flags = 1; }
+ elsif ($arg eq "-d") { $show_duplicates = 1; }
+}
+
+sub update_file($)
+{
+ my $file = shift;
+ my $ret = !(-f $file) || system "cmp $file $file.new >/dev/null";
+ if (!$ret)
+ {
+ unlink "$file.new";
+ }
+ else
+ {
+ #system "diff -u $file $file.new";
+ rename "$file.new", "$file";
+ print "$file updated\n";
+ }
+ return $ret;
+}
+
+# parse a spec file line
+sub parse_line($$$)
+{
+ my ($name, $line, $_) = @_;
+
+ if (/^\s*(\@|\d+)\s+(stdcall|cdecl|varargs|thiscall|stub|extern)\s+((?:-\S+\s+)*)([A-Za-z0-9_\@\$?]+)(?:\s*(\([^)]*\)))?(?:\s+([A-Za-z0-9_\@\$?.]+))?(\s*\#.*)?/)
+ {
+ return ( "ordinal" => $1, "callconv" => $2, "flags" => $3, "name" => $4, "args" => $5 || "",
+ "target" => $6 || $4, "comment" => $7, "spec" => $name );
+ }
+ return () if /^\s*$/;
+ return () if /^\s*\#/;
+ printf STDERR "$name.spec:$line: error: Unrecognized line $_\n";
+}
+
+sub read_spec_file($)
+{
+ my $name = shift;
+ my $file = "dlls/$name/$name.spec";
+ my %stubs;
+ open SPEC, "<$file" or die "cannot open $file";
+ while (<SPEC>)
+ {
+ chomp;
+ my %descr = parse_line( $name, $., $_ );
+ next unless %descr;
+
+ my $func = $descr{name};
+ next if defined $funcs{$func};
+ $funcs{$func} = \%descr;
+ }
+ close SPEC;
+}
+
+sub update_spec_file($)
+{
+ my $name = shift;
+ my $file = "dlls/$name/$name.spec";
+ my %stubs;
+
+ open SPEC, "<$file" or die "cannot open $file";
+ open NEW, ">$file.new" or die "cannot create $file.new";
+ while (<SPEC>)
+ {
+ chomp;
+
+ my $commented_out = 0;
+ my %descr = parse_line( $name, $., $_ );
+ if (!%descr)
+ {
+ # check for commented out exports
+ if (/^\s*\#\s*((?:\@|\d+)\s+)?((?:extern|stub|stdcall|cdecl|varargs|thiscall)\s+.*)/)
+ {
+ $commented_out = 1;
+ %descr = parse_line( $name, $., ($1 || "\@ ") . $2 );
+ }
+ }
+ goto done unless %descr;
+
+ my $func = $descr{name};
+ if (!defined $funcs{$func})
+ {
+ $funcs{$func} = \%descr unless $commented_out;
+ goto done;
+ }
+
+ my %parent = %{$funcs{$func}};
+ goto done if $parent{spec} eq $descr{spec}; # the definition is in this spec file
+ if ($descr{callconv} ne "stub" && $descr{target} !~ /\./)
+ {
+ printf "%s:%u: note: %s already defined in %s\n", $file, $., $func, $parent{spec} if $show_duplicates;
+ goto done;
+ }
+
+ my $flags = ($parent{callconv} ne "stub" || $update_flags) ? $parent{flags} : $descr{flags};
+
+ if ($parent{callconv} ne "stub")
+ {
+ my $callconv = $parent{callconv} ne "stub" ? $parent{callconv} :
+ $parent{spec} =~ /msvc/ ? "cdecl" : "stdcall"; # hack
+ $_ = sprintf "@ %s %s%s", $callconv, $flags, $func;
+
+ if ($parent{target} =~ /$group_head\./) # use the same forward as parent if possible
+ {
+ $_ .= sprintf "%s %s", $parent{args}, $parent{target};
+ }
+ else
+ {
+ $_ .= sprintf "%s %s.%s", $parent{args}, $parent{spec}, $func;
+ }
+ }
+ else
+ {
+ $_ = sprintf "@ stub %s%s", $flags, $func;
+ }
+ $_ .= $descr{comment} || "";
+
+ done:
+ print NEW "$_\n";
+ }
+ close SPEC;
+ close NEW;
+ update_file( $file );
+}
+
+sub sync_spec_files(@)
+{
+ %funcs = ();
+ $group_head = shift;
+ read_spec_file( $group_head );
+ foreach my $spec (@_) { update_spec_file($spec); }
+}
+
+foreach my $group (@dll_groups)
+{
+ sync_spec_files( @{$group} );
+}
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