3 # Update spec files across dlls that share an implementation
5 # Copyright 2011 Alexandre Julliard
7 # This library is free software; you can redistribute it and/or
8 # modify it under the terms of the GNU Lesser General Public
9 # License as published by the Free Software Foundation; either
10 # version 2.1 of the License, or (at your option) any later version.
12 # This library is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # Lesser General Public License for more details.
17 # You should have received a copy of the GNU Lesser General Public
18 # License along with this library; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
76 my $show_duplicates = 0;
78 foreach my $arg (@ARGV)
80 if ($arg eq "-f") { $update_flags = 1; }
81 elsif ($arg eq "-d") { $show_duplicates = 1; }
87 my $ret = !(-f $file) || system "cmp $file $file.new >/dev/null";
94 #system "diff -u $file $file.new";
95 rename "$file.new", "$file";
96 print "$file updated\n";
101 # parse a spec file line
104 my ($name, $line, $_) = @_;
106 if (/^\s*(\@|\d+)\s+(stdcall|cdecl|varargs|thiscall|stub|extern)\s+((?:-\S+\s+)*)([A-Za-z0-9_\@\$?]+)(?:\s*(\([^)]*\)))?(?:\s+([A-Za-z0-9_\@\$?.]+))?(\s*\#.*)?/)
108 return ( "ordinal" => $1, "callconv" => $2, "flags" => $3, "name" => $4, "args" => $5 || "",
109 "target" => $6 || $4, "comment" => $7, "spec" => $name );
111 return () if /^\s*$/;
112 return () if /^\s*\#/;
113 printf STDERR "$name.spec:$line: error: Unrecognized line $_\n";
116 sub read_spec_file($)
119 my $file = "dlls/$name/$name.spec";
121 open SPEC, "<$file" or die "cannot open $file";
125 my %descr = parse_line( $name, $., $_ );
128 my $func = $descr{name};
129 next if defined $funcs{$func};
130 $funcs{$func} = \%descr;
135 sub update_spec_file($)
138 my $file = "dlls/$name/$name.spec";
141 open SPEC, "<$file" or die "cannot open $file";
142 open NEW, ">$file.new" or die "cannot create $file.new";
147 my $commented_out = 0;
148 my %descr = parse_line( $name, $., $_ );
151 # check for commented out exports
152 if (/^\s*\#\s*((?:\@|\d+)\s+)?((?:extern|stub|stdcall|cdecl|varargs|thiscall)\s+.*)/)
155 %descr = parse_line( $name, $., ($1 || "\@ ") . $2 );
158 goto done unless %descr;
160 my $func = $descr{name};
161 if (!defined $funcs{$func})
163 $funcs{$func} = \%descr unless $commented_out;
167 my %parent = %{$funcs{$func}};
168 goto done if $parent{spec} eq $descr{spec}; # the definition is in this spec file
169 if ($descr{callconv} ne "stub" && $descr{target} !~ /\./)
171 printf "%s:%u: note: %s already defined in %s\n", $file, $., $func, $parent{spec} if $show_duplicates;
175 my $flags = ($parent{callconv} ne "stub" || $update_flags) ? $parent{flags} : $descr{flags};
177 if ($parent{callconv} ne "stub" || $parent{args})
179 my $callconv = $parent{callconv} ne "stub" ? $parent{callconv} :
180 $parent{spec} =~ /msvc/ ? "cdecl" : "stdcall"; # hack
181 $_ = sprintf "@ %s %s%s", $callconv, $flags, $func;
183 if ($parent{target} =~ /$group_head\./) # use the same forward as parent if possible
185 $_ .= sprintf "%s %s", $parent{args}, $parent{target};
189 $_ .= sprintf "%s %s.%s", $parent{args}, $parent{spec}, $func;
194 $_ = sprintf "@ stub %s%s", $flags, $func;
196 $_ .= $descr{comment} || "";
203 update_file( $file );
206 sub sync_spec_files(@)
210 read_spec_file( $group_head );
211 foreach my $spec (@_) { update_spec_file($spec); }
214 foreach my $group (@dll_groups)
216 sync_spec_files( @{$group} );