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#!/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",
],
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[
"d3dx9_36",
"d3dx9_43",
"d3dx9_42",
"d3dx9_41",
"d3dx9_40",
"d3dx9_39",
"d3dx9_38",
"d3dx9_37",
"d3dx9_35",
"d3dx9_34",
"d3dx9_33",
"d3dx9_32",
"d3dx9_31",
"d3dx9_30",
"d3dx9_29",
"d3dx9_28",
"d3dx9_27",
"d3dx9_26",
"d3dx9_25",
"d3dx9_24",
],
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[
"d3dx10_43",
"d3dx10_42",
"d3dx10_41",
"d3dx10_40",
"d3dx10_39",
"d3dx10_38",
"d3dx10_37",
"d3dx10_36",
"d3dx10_35",
"d3dx10_34",
"d3dx10_33",
],
[
"d3dcompiler_43",
"d3dcompiler_42",
"d3dcompiler_41",
"d3dcompiler_40",
"d3dcompiler_39",
"d3dcompiler_38",
"d3dcompiler_37",
"d3dcompiler_36",
"d3dcompiler_35",
"d3dcompiler_34",
"d3dcompiler_33",
],
[
"xinput1_3",
"xinput1_2",
"xinput1_1",
"xinput9_1_0",
],
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[
"setupapi",
"cfgmgr32",
],
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);
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
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goto done if $descr{comment} && $descr{comment} =~ /don't forward/;
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if ($descr{callconv} ne "stub" && $descr{target} !~ /\./ && !$commented_out)
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{
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} : $descr{flags};
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if ($parent{callconv} ne "stub" || $parent{args})
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{
my $callconv = $parent{callconv} ne "stub" ? $parent{callconv} :
$parent{spec} =~ /msvc/ ? "cdecl" : "stdcall"; # hack
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$_ = sprintf "$descr{ordinal} %s %s%s", $callconv, $flags, $func;
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if ($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}, $func;
}
}
else
{
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$_ = sprintf "$descr{ordinal} stub %s%s", $flags, $func;
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}
$_ .= $descr{comment} || "";
done:
print NEW "$_\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} );
}