mirror of
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2ffb49b6c3
* parser/gapi_pp.pl: in source files, still pass simple struct typedefs through to support parsing gio 2.27.90. No idea why they are hiding signal vm declarations in gdbusauthobserver.
275 lines
6.8 KiB
Perl
Executable file
275 lines
6.8 KiB
Perl
Executable file
#!/usr/bin/perl
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#
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# gapi_pp.pl : A source preprocessor for the extraction of API info from a
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# C library source directory.
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#
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# Authors: Mike Kestner <mkestner@speakeasy.net>
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# Martin Willemoes Hansen <mwh@sysrq.dk>
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#
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# Copyright (c) 2001 Mike Kestner
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# Copyright (c) 2003 Martin Willemoes Hansen
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# Copyright (c) 2003-2004 Novell, Inc.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of version 2 of the GNU General Public
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# License as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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$private_regex = '^#if.*(ENABLE_BACKEND|ENABLE_ENGINE)';
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$eatit_regex = '^#if(.*(__cplusplus|DEBUG|DISABLE_COMPAT|ENABLE_BROKEN)|\s+0\s*$)';
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$ignoreit_regex = '^\s+\*|#ident|#error|#\s*include|#\s*else|#\s*undef|G_(BEGIN|END)_DECLS|GDKVAR|GTKVAR|GTKMAIN_C_VAR|GTKTYPEUTILS_VAR|VARIABLE|GTKTYPEBUILTIN|G_GNUC_INTERNAL';
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foreach $arg (@ARGV) {
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if (-d $arg && -e $arg) {
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@hdrs = (@hdrs, `ls $arg/*.h`);
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@srcs = (@srcs, `ls $arg/*.c`);
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} elsif (-f $arg && -e $arg) {
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@hdrs = (@hdrs, $arg) if ($arg =~ /\.h$/);
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@srcs = (@srcs, $arg) if ($arg =~ /\.c$/);
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} else {
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die "unable to process arg: $arg";
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}
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}
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foreach $fname (@hdrs) {
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if ($fname =~ /test|private|internals|gtktextlayout|gtkmarshalers/) {
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@privhdrs = (@privhdrs, $fname);
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next;
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}
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open(INFILE, $fname) || die "Could open $fname\n";
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$braces = 0;
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$deprecated = -1;
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$ifdeflevel = 0;
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$prepend = "";
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while ($line = <INFILE>) {
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$braces++ if ($line =~ /{/ and $line !~ /}/);
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$braces-- if ($line =~ /}/ and $line !~ /{/);
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next if ($line =~ /$ignoreit_regex/);
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$line =~ s/\/\*[^<].*?\*\///g;
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next if ($line !~ /\S/);
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$line = $prepend . $line;
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$prepend = "";
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while ($line =~ /(.*)\\$/) { $line = $1 . <INFILE>; }
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if ($line =~ /#\s*define\s+\w+\s+\"/) {
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$def = $line;
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while ($def !~ /\".*\"/) {$def .= ($line = <INFILE>);}
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print $def;
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} elsif ($line =~ /#\s*define\s+\w+\s*\D+/) {
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$def = $line;
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while ($line =~ /\\\n/) {$def .= ($line = <INFILE>);}
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if ($def =~ /_CHECK_\w*CAST|INSTANCE_GET_INTERFACE/) {
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$def =~ s/\\\n//g;
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print $def;
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}
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} elsif ($line =~ /^\s*\/\*[^<]/) {
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while ($line !~ /\*\//) {$line = <INFILE>;}
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} elsif ($line =~ /^extern/) {
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while ($line !~ /;/) {$line = <INFILE>;}
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} elsif ($line =~ /^#ifndef\s+\w+_H_*\b/) {
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while ($line !~ /#define|#endif/) {$line = <INFILE>;}
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} elsif ($line =~ /$private_regex/) {
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$nested = 0;
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while ($line = <INFILE>) {
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last if (!$nested && ($line =~ /#else|#endif/));
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if ($line =~ /#if/) {
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$nested++;
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} elsif ($line =~ /#endif/) {
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$nested--
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}
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next if ($line !~ /^struct/);
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print "private$line";
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do {
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$line = <INFILE>;
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print $line;
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} until ($line =~ /^\}/);
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}
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} elsif ($line =~ /$eatit_regex/) {
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$nested = 0;
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while ($line = <INFILE>) {
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last if (!$nested && ($line =~ /#else|#endif/));
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if ($line =~ /#if/) {
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$nested++;
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} elsif ($line =~ /#endif/) {
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$nested--
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}
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}
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} elsif ($line =~ /^#\s*ifn?\s*\!?def/) {
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$ifdeflevel++;
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#print "#ifn?def ($ifdeflevel): $line\n";
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if ($line =~ /#ifndef.*DISABLE_DEPRECATED/) {
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$deprecated = $ifdeflevel;
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} elsif ($line =~ /#if !defined.*DISABLE_DEPRECATED/) {
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$deprecated = $ifdeflevel;
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}
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} elsif ($line =~ /^#\s*endif/) {
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#print "#endif ($ifdeflevel): $line\n";
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if ($deprecated == $ifdeflevel) {
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$deprecated = -1;
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}
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$ifdeflevel--;
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} elsif ($line =~ /typedef struct\s*\{?\s*$/) {
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while ($line !~ /{/) {
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chomp ($line);
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$line .= <INFILE>;
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}
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my $first_line = $line;
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my @lines = ();
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$line = <INFILE>;
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while ($line !~ /^}\s*(\w+);/) {
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if ($line =~ /\(.*\).*\(/) {
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while ($line !~ /;/) {
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chomp ($line);
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$nxt = <INFILE>;
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$nxt =~ s/^\s+/ /;
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$line .= $nxt;
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}
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}
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push @lines, $line;
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$line = <INFILE>;
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}
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$line =~ /^}\s*(\w+);/;
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my $name = $1;
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print "typedef struct _$name $name;\n";
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print "struct _$name {\n";
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foreach $line (@lines) {
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if ($line =~ /(\s*.+\;)/) {
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$field = $1;
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$field =~ s/(\w+) const/const $1/;
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print "$field\n";
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}
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}
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print "};\n";
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} elsif ($line =~ /^enum\s+\{/) {
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while ($line !~ /^};/) {$line = <INFILE>;}
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} elsif ($line =~ /^(typedef\s+)?union/) {
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next if ($line =~ /^typedef\s+union\s+\w+\s+\w+;/);
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while ($line !~ /^};/) {$line = <INFILE>;}
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} elsif ($line =~ /(\s+)union\s*{/) {
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# this is a hack for now, but I need it for the fields to work
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$indent = $1;
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$do_print = 1;
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while ($line !~ /^$indent}\s*\w+;/) {
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$line = <INFILE>;
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next if ($line !~ /;/);
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print $line if $do_print;
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$do_print = 0;
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}
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} else {
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if ($braces or $line =~ /;|\/\*/) {
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if ($deprecated == -1) {
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print $line;
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} else {
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print "deprecated$line";
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}
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} else {
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$prepend = $line;
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$prepend =~ s/\n/ /g;
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}
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}
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}
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}
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foreach $fname (@srcs, @privhdrs) {
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open(INFILE, $fname) || die "Could open $fname\n";
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if ($fname =~ /builtins_ids/) {
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while ($line = <INFILE>) {
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next if ($line !~ /\{/);
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chomp($line);
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$builtin = "BUILTIN" . $line;
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$builtin .= <INFILE>;
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print $builtin;
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}
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next;
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}
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while ($line = <INFILE>) {
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next if ($line !~ /^(struct|typedef struct.*;|\w+_class_init|\w+_base_init|\w+_get_type\b|G_DEFINE_TYPE_WITH_CODE)/);
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if ($line =~ /^G_DEFINE_TYPE_WITH_CODE/) {
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my $macro;
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my $parens = 0;
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do {
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chomp ($line);
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$line =~ s/(.*)\\$/\1/;
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$line =~ s/^\s+(.*)/ \1/;
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$macro .= $line;
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foreach $chr (split (//, $line)) {
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if ($chr eq "(") {
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$parens++;
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} elsif ($chr eq ")") {
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$parens--;
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}
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}
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$line = <INFILE>;
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} while ($parens > 0);
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print "$macro\n";
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next if ($line !~ /^(struct|\w+_class_init|\w+_base_init)/);
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}
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if ($line =~ /^struct/) {
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# need some of these to parse out parent types
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print "private";
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if ($line =~ /;/) {
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print $line;
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next;
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}
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} elsif ($line =~ /^typedef.*;/) {
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print $line;
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next;
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}
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$comment = 0;
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$begin = 0;
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$end = 0;
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do {
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# Following ifs strips out // and /* */ C comments
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if ($line =~ /\/\*/) {
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$comment = 1;
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$begin = 1;
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}
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if ($comment != 1) {
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$line =~ s/\/\/.*//;
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print $line;
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}
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if ($line =~ /\*\//) {
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$comment = 0;
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$end = 1;
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}
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if ($begin == 1 && $end == 1) {
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$line =~ s/\/\*.*\*\///;
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print $line;
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}
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$begin = 0;
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$end = 0;
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} until (($line = <INFILE>) =~ /^}/);
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print $line;
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}
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}
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