648 lines
17 KiB
Perl
648 lines
17 KiB
Perl
#
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# Copyright 1999, 2000, 2001 Patrik Stridvall
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library 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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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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package winapi_parser;
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use strict;
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use output qw($output);
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use options qw($options);
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# Defined a couple common regexp tidbits
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my $CALL_CONVENTION="__cdecl|__stdcall|" .
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"__RPC_API|__RPC_STUB|__RPC_USER|RPC_ENTRY|" .
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"RPC_VAR_ENTRY|STDMETHODCALLTYPE|NET_API_FUNCTION|" .
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"CALLBACK|CDECL|NTAPI|PASCAL|APIENTRY|" .
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"VFWAPI|VFWAPIV|WINAPI|WINAPIV|";
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sub parse_c_file($$) {
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my $file = shift;
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my $callbacks = shift;
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my $empty_callback = sub { };
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my $c_comment_found_callback = $$callbacks{c_comment_found} || $empty_callback;
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my $cplusplus_comment_found_callback = $$callbacks{cplusplus_comment_found} || $empty_callback;
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my $function_create_callback = $$callbacks{function_create} || $empty_callback;
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my $function_found_callback = $$callbacks{function_found} || $empty_callback;
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my $type_create_callback = $$callbacks{type_create} || $empty_callback;
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my $type_found_callback = $$callbacks{type_found} || $empty_callback;
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my $preprocessor_found_callback = $$callbacks{preprocessor_found} || $empty_callback;
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# global
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my $debug_channels = [];
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my $in_function = 0;
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my $function_begin;
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my $function_end;
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{
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my $documentation_line;
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my $documentation;
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my $function_line;
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my $linkage;
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my $return_type;
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my $calling_convention;
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my $internal_name = "";
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my $argument_types;
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my $argument_names;
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my $argument_documentations;
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my $statements_line;
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my $statements;
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$function_begin = sub {
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$documentation_line = shift;
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$documentation = shift;
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$function_line = shift;
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$linkage = shift;
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$return_type= shift;
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$calling_convention = shift;
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$internal_name = shift;
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$argument_types = shift;
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$argument_names = shift;
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$argument_documentations = shift;
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if(defined($argument_names) && defined($argument_types) &&
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$#$argument_names == -1)
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{
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foreach my $n (0..$#$argument_types) {
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push @$argument_names, "";
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}
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}
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if(defined($argument_documentations) &&
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$#$argument_documentations == -1)
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{
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foreach my $n (0..$#$argument_documentations) {
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push @$argument_documentations, "";
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}
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}
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$in_function = 1;
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};
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$function_end = sub {
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$statements_line = shift;
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$statements = shift;
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my $function = &$function_create_callback();
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if(!defined($documentation_line)) {
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$documentation_line = 0;
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}
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$function->file($file);
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$function->debug_channels([@$debug_channels]);
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$function->documentation_line($documentation_line);
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$function->documentation($documentation);
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$function->function_line($function_line);
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$function->linkage($linkage);
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$function->return_type($return_type);
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$function->calling_convention($calling_convention);
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$function->internal_name($internal_name);
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if(defined($argument_types)) {
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$function->argument_types([@$argument_types]);
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}
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if(defined($argument_names)) {
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$function->argument_names([@$argument_names]);
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}
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if(defined($argument_documentations)) {
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$function->argument_documentations([@$argument_documentations]);
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}
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$function->statements_line($statements_line);
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$function->statements($statements);
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&$function_found_callback($function);
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$in_function = 0;
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};
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}
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my $in_type = 0;
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my $type_begin;
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my $type_end;
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{
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my $type;
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$type_begin = sub {
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$type = shift;
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$in_type = 1;
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};
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$type_end = sub {
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my $names = shift;
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foreach my $name (@$names) {
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if($type =~ /^(?:enum|interface|struct|union)/) {
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# $output->write("typedef $type {\n");
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# $output->write("} $name;\n");
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} else {
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# $output->write("typedef $type $name;\n");
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}
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}
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$in_type = 0;
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};
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}
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my %regs_entrypoints;
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my @comment_lines = ();
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my @comments = ();
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my $statements_line;
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my $statements;
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my $level = 0;
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my $extern_c = 0;
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my $again = 0;
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my $lookahead = 0;
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my $lookahead_count = 0;
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print STDERR "Processing file '$file' ... " if $options->verbose;
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open(IN, "< $file") || die "<internal>: $file: $!\n";
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local $_ = "";
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readmore: while($again || defined(my $line = <IN>)) {
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$_ = "" if !defined($_);
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if(!$again) {
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chomp $line;
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if($lookahead) {
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$lookahead = 0;
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$_ .= "\n" . $line;
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$lookahead_count++;
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} else {
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$_ = $line;
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$lookahead_count = 0;
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}
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$output->write(" $level($lookahead_count): $line\n") if $options->debug >= 2;
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$output->write("*** $_\n") if $options->debug >= 3;
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} else {
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$lookahead_count = 0;
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$again = 0;
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}
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# CVS merge conflicts in file?
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if(/^(<<<<<<<|=======|>>>>>>>)/) {
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$output->write("$file: merge conflicts in file\n");
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last;
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}
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my $prefix="";
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while ($_ ne "")
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{
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if (s/^([^\"\/]+|\"(?:[^\\\"]*|\\.)*\")//)
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{
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$prefix.=$1;
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}
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elsif (/^\/\*/)
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{
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# remove C comments
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if(s/^(\/\*.*?\*\/)//s) {
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my @lines = split(/\n/, $1);
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push @comment_lines, $.;
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push @comments, $1;
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&$c_comment_found_callback($. - $#lines, $., $1);
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if($#lines <= 0) {
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$_ = "$prefix $_";
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} else {
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$_ = $prefix . ("\n" x $#lines) . $_;
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}
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$again = 1;
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} else {
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$_ = "$prefix$_";
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$lookahead = 1;
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}
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next readmore;
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}
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elsif (s/^(\/\/.*)$//)
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{
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# remove C++ comments
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&$cplusplus_comment_found_callback($., $1);
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$again = 1;
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}
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elsif (s/^(.)//)
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{
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$prefix.=$1;
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}
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}
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$_=$prefix;
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# remove preprocessor directives
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if(s/^\s*\#/\#/s) {
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if(/^(\#.*?)\\$/s) {
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$_ = "$1\n";
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$lookahead = 1;
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next;
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} elsif(s/^\#\s*(\w+)((?:\s+(.*?))?\s*)$//s) {
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my @lines = split(/\n/, $2);
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if($#lines > 0) {
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$_ = "\n" x $#lines;
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}
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if(defined($3)) {
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&$preprocessor_found_callback($1, $3);
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} else {
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&$preprocessor_found_callback($1, "");
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}
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$again = 1;
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next;
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}
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}
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# Remove extern "C"
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if(s/^\s*extern\s+"C"\s+\{//m) {
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$extern_c = 1;
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$again = 1;
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next;
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}
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my $documentation_line;
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my $documentation;
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my @argument_documentations = ();
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{
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my $n = $#comments;
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while($n >= 0 && ($comments[$n] !~ /^\/\*\*/ ||
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$comments[$n] =~ /^\/\*\*+\/$/))
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{
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$n--;
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}
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if(defined($comments[$n]) && $n >= 0) {
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my @lines = split(/\n/, $comments[$n]);
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$documentation_line = $comment_lines[$n] - scalar(@lines) + 1;
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$documentation = $comments[$n];
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for(my $m=$n+1; $m <= $#comments; $m++) {
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if($comments[$m] =~ /^\/\*\*+\/$/ ||
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$comments[$m] =~ /^\/\*\s*(?:\!)?defined/) # FIXME: Kludge
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{
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@argument_documentations = ();
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next;
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}
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push @argument_documentations, $comments[$m];
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}
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} else {
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$documentation = "";
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}
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}
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if($level > 0)
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{
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my $line = "";
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while(/^[^\{\}]/) {
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s/^([^\{\}\'\"]*)//s;
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$line .= $1;
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if(s/^\'//) {
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$line .= "\'";
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while(/^./ && !s/^\'//) {
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s/^([^\'\\]*)//s;
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$line .= $1;
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if(s/^\\//) {
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$line .= "\\";
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if(s/^(.)//s) {
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$line .= $1;
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if($1 eq "0") {
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s/^(\d{0,3})//s;
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$line .= $1;
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}
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}
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}
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}
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$line .= "\'";
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} elsif(s/^\"//) {
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$line .= "\"";
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while(/^./ && !s/^\"//) {
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s/^([^\"\\]*)//s;
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$line .= $1;
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if(s/^\\//) {
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$line .= "\\";
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if(s/^(.)//s) {
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$line .= $1;
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if($1 eq "0") {
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s/^(\d{0,3})//s;
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$line .= $1;
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}
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}
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}
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}
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$line .= "\"";
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}
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}
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if(s/^\{//) {
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$_ = $'; $again = 1;
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$line .= "{";
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print "+1: \{$_\n" if $options->debug >= 2;
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$level++;
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$statements .= $line;
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} elsif(s/^\}//) {
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$_ = $'; $again = 1;
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$line .= "}" if $level > 1;
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print "-1: \}$_\n" if $options->debug >= 2;
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$level--;
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if($level == -1 && $extern_c) {
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$extern_c = 0;
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$level = 0;
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}
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$statements .= $line;
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} else {
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$statements .= "$line\n";
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}
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if($level == 0) {
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if($in_function) {
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&$function_end($statements_line, $statements);
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$statements = undef;
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} elsif($in_type) {
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if(/^\s*((?:(?:FAR\s*)?\*\s*(?:RESTRICTED_POINTER\s+)?)?
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(?:volatile\s+)?
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(?:\w+|WS\(\w+\))\s*
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(?:\s*,\s*(?:(?:FAR\s*)?\*+\s*(?:RESTRICTED_POINTER\s+)?)?(?:volatile\s+)?(?:\w+|WS\(\w+\)))*\s*);/sx) {
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my @parts = split(/\s*,\s*/, $1);
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&$type_end([@parts]);
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} elsif(/;/s) {
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die "$file: $.: syntax error: '$_'\n";
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} else {
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$lookahead = 1;
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}
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}
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}
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next;
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} elsif(/(extern\s+|static\s+)?((interface\s+|struct\s+|union\s+|enum\s+|signed\s+|unsigned\s+)?\w+((\s*\*)+\s*|\s+))
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(($CALL_CONVENTION)\s+)?
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(\w+(\(\w+\))?)\s*\((.*?)\)\s*(\{|\;)/sx)
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{
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my @lines = split(/\n/, $&);
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my $function_line = $. - scalar(@lines) + 1;
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$_ = $'; $again = 1;
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if($11 eq "{") {
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$level++;
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}
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my $linkage = $1;
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my $return_type = $2;
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my $calling_convention = $7;
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my $name = $8;
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my $arguments = $10;
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if(!defined($linkage)) {
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$linkage = "";
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}
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if(!defined($calling_convention)) {
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$calling_convention = "";
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}
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$linkage =~ s/\s*$//;
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$return_type =~ s/\s*$//;
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$return_type =~ s/\s*\*\s*/*/g;
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$return_type =~ s/(\*+)/ $1/g;
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if($regs_entrypoints{$name}) {
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$name = $regs_entrypoints{$name};
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}
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$arguments =~ y/\t\n/ /;
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$arguments =~ s/^\s*(.*?)\s*$/$1/;
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if($arguments eq "") { $arguments = "..." }
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my @argument_types;
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my @argument_names;
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my @arguments;
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my $n = 0;
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while ($arguments =~ s/^((?:[^,\(\)]*|(?:\([^\)]*\))?)+)(?:,|$)// && $1) {
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my $argument = $1;
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push @arguments, $argument;
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my $argument_type = "";
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my $argument_name = "";
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$argument =~ s/^\s*(.*?)\s*$/$1/;
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# print " " . ($n + 1) . ": '$argument'\n";
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$argument =~ s/^(?:IN OUT|IN|OUT)?\s+//;
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$argument =~ s/^(?:const|CONST|volatile)?\s+//;
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if($argument =~ /^\.\.\.$/) {
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$argument_type = "...";
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$argument_name = "...";
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} elsif($argument =~ /^
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((?:interface\s+|struct\s+|union\s+|enum\s+|register\s+|(?:signed\s+|unsigned\s+)?
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(?:short\s+(?=int)|long\s+(?=int))?)?(?:\w+|ElfW\(\w+\)|WS\(\w+\)))\s*
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((?:__RPC_FAR|const|CONST|volatile)?\s*(?:\*\s*(?:__RPC_FAR|const|CONST|volatile)?\s*?)*)\s*
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(\w*)\s*(\[\])?(?:\s+OPTIONAL)?$/x)
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{
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$argument_type = $1;
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if ($2) {
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$argument_type .= " $2";
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}
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if ($4) {
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$argument_type .= "$4";
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}
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$argument_name = $3;
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} elsif ($argument =~ /^
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((?:interface\s+|struct\s+|union\s+|enum\s+|register\s+|(?:signed\s+|unsigned\s+)?
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(?:short\s+(?=int)|long\s+(?=int))?)?\w+)\s*
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((?:const|volatile)?\s*(?:\*\s*(?:const|volatile)?\s*?)*)\s*
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(?:(?:$CALL_CONVENTION)\s+)?
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\(\s*(?:$CALL_CONVENTION)?\s*\*\s*((?:\w+)?)\s*\)\s*
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\(\s*(.*?)\s*\)$/x)
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{
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my $return_type = $1;
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if($2) {
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$return_type .= " $2";
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}
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$argument_name = $3;
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my $arguments = $4;
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$return_type =~ s/\s+/ /g;
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$arguments =~ s/\s*,\s*/,/g;
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$argument_type = "$return_type (*)($arguments)";
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} elsif ($argument =~ /^
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((?:interface\s+|struct\s+|union\s+|enum\s+|register\s+|(?:signed\s+|unsigned\s+)
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(?:short\s+(?=int)|long\s+(?=int))?)?\w+)\s*
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((?:const|volatile)?\s*(?:\*\s*(?:const|volatile)?\s*?)*)\s*
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(\w+)\s*\[\s*(.*?)\s*\](?:\[\s*(.*?)\s*\])?$/x)
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{
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my $return_type = $1;
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if($2) {
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$return_type .= " $2";
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}
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$argument_name = $3;
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$argument_type = "$return_type\[$4\]";
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if (defined($5)) {
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$argument_type .= "\[$5\]";
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}
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# die "$file: $.: syntax error: '$argument_type':'$argument_name'\n";
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} else {
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die "$file: $.: syntax error: '$argument'\n";
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}
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$argument_type =~ s/\s*(?:const|volatile)\s*/ /g; # Remove const/volatile
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$argument_type =~ s/([^\*\(\s])\*/$1 \*/g; # Assure whitespace between non-* and *
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$argument_type =~ s/,([^\s])/, $1/g; # Assure whitespace after ,
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$argument_type =~ s/\*\s+\*/\*\*/g; # Remove whitespace between * and *
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$argument_type =~ s/([\(\[])\s+/$1/g; # Remove whitespace after ( and [
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$argument_type =~ s/\s+([\)\]])/$1/g; # Remove whitespace before ] and )
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$argument_type =~ s/\s+/ /; # Remove multiple whitespace
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$argument_type =~ s/^\s*(.*?)\s*$/$1/; # Remove leading and trailing whitespace
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$argument_name =~ s/^\s*(.*?)\s*$/$1/; # Remove leading and trailing whitespace
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$argument_types[$n] = $argument_type;
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$argument_names[$n] = $argument_name;
|
|
# print " " . ($n + 1) . ": '" . $argument_types[$n] . "', '" . $argument_names[$n] . "'\n";
|
|
|
|
$n++;
|
|
}
|
|
if($#argument_types == 0 && $argument_types[0] =~ /^void$/i) {
|
|
$#argument_types = -1;
|
|
$#argument_names = -1;
|
|
}
|
|
|
|
if($options->debug) {
|
|
print "$file: $return_type $calling_convention $name(" . join(",", @arguments) . ")\n";
|
|
}
|
|
|
|
&$function_begin($documentation_line, $documentation,
|
|
$function_line, $linkage, $return_type, $calling_convention, $name,
|
|
\@argument_types,\@argument_names,\@argument_documentations);
|
|
if($level == 0) {
|
|
&$function_end(undef, undef);
|
|
}
|
|
$statements_line = $.;
|
|
$statements = "";
|
|
} elsif(/__ASM_GLOBAL_FUNC\(\s*(.*?)\s*,/s) {
|
|
my @lines = split(/\n/, $&);
|
|
my $function_line = $. - scalar(@lines) + 1;
|
|
|
|
$_ = $'; $again = 1;
|
|
|
|
&$function_begin($documentation_line, $documentation,
|
|
$function_line, "", "void", "__asm", $1);
|
|
&$function_end($., "");
|
|
} elsif(/DEFINE_THISCALL_WRAPPER\((\S*)\)/s) {
|
|
my @lines = split(/\n/, $&);
|
|
my $function_line = $. - scalar(@lines) + 1;
|
|
|
|
$_ = $'; $again = 1;
|
|
|
|
&$function_begin($documentation_line, $documentation,
|
|
$function_line, "", "void", "", "__thiscall_" . $1, \());
|
|
&$function_end($function_line, "");
|
|
} elsif(/DEFINE_REGS_ENTRYPOINT_\d+\(\s*(\S*)\s*,\s*([^\s,\)]*).*?\)/s) {
|
|
$_ = $'; $again = 1;
|
|
$regs_entrypoints{$2} = $1;
|
|
} elsif(/DEFAULT_DEBUG_CHANNEL\s*\((\S+)\)/s) {
|
|
$_ = $'; $again = 1;
|
|
unshift @$debug_channels, $1;
|
|
} elsif(/(DEFAULT|DECLARE)_DEBUG_CHANNEL\s*\((\S+)\)/s) {
|
|
$_ = $'; $again = 1;
|
|
push @$debug_channels, $1;
|
|
} elsif(/typedef\s+(enum|interface|struct|union)(?:\s+(\w+))?\s*\{/s) {
|
|
$_ = $'; $again = 1;
|
|
$level++;
|
|
my $type = $1;
|
|
if(defined($2)) {
|
|
$type .= " $2";
|
|
}
|
|
&$type_begin($type);
|
|
} elsif(/typedef\s+
|
|
((?:const\s+|CONST\s+|enum\s+|interface\s+|long\s+|signed\s+|short\s+|struct\s+|union\s+|unsigned\s+|volatile\s+)*?)
|
|
(\w+)
|
|
(?:\s+const|\s+volatile)?
|
|
((?:\s*(?:(?:FAR|__RPC_FAR|TW_HUGE)?\s*)?\*+\s*|\s+)(?:volatile\s+|DECLSPEC_ALIGN\(\d+\)\s+)?\w+\s*(?:\[[^\]]*\])*
|
|
(?:\s*,\s*(?:\s*(?:(?:FAR|__RPC_FAR|TW_HUGE)?\s*)?\*+\s*|\s+)\w+\s*(?:\[[^\]]*\])?)*)
|
|
\s*;/sx)
|
|
{
|
|
$_ = $'; $again = 1;
|
|
|
|
my $type = "$1 $2";
|
|
|
|
my @names;
|
|
my @parts = split(/\s*,\s*/, $2);
|
|
foreach my $part (@parts) {
|
|
if($part =~ /(?:\s*((?:(?:FAR|__RPC_FAR|TW_HUGE)?\s*)?\*+)\s*|\s+)(\w+)\s*(\[[^\]]*\])?/) {
|
|
my $name = $2;
|
|
if(defined($1)) {
|
|
$name = "$1$2";
|
|
}
|
|
if(defined($3)) {
|
|
$name .= $3;
|
|
}
|
|
push @names, $name;
|
|
}
|
|
}
|
|
&$type_begin($type);
|
|
&$type_end([@names]);
|
|
} elsif(/typedef\s+
|
|
(?:(?:const\s+|enum\s+|interface\s+|long\s+|signed\s+|short\s+|struct\s+|union\s+|unsigned\s+|volatile\s+)*?)
|
|
(\w+(?:\s*\*+\s*)?)\s*
|
|
(?:(\w+)\s*)?
|
|
\((?:(\w+)\s*)?\s*(?:\*\s*(\w+)|_ATL_CATMAPFUNC)\s*\)\s*
|
|
(?:\(([^\)]*)\)|\[([^\]]*)\])\s*;/sx)
|
|
{
|
|
$_ = $'; $again = 1;
|
|
my $type;
|
|
if(defined($2) || defined($3)) {
|
|
my $cc = $2 || $3;
|
|
if(defined($5)) {
|
|
$type = "$1 ($cc *)($5)";
|
|
} else {
|
|
$type = "$1 ($cc *)[$6]";
|
|
}
|
|
} else {
|
|
if(defined($5)) {
|
|
$type = "$1 (*)($5)";
|
|
} else {
|
|
$type = "$1 (*)[$6]";
|
|
}
|
|
}
|
|
my $name = $4;
|
|
&$type_begin($type);
|
|
&$type_end([$name]);
|
|
} elsif(/typedef[^\{;]*;/s) {
|
|
$_ = $'; $again = 1;
|
|
$output->write("$file: $.: can't parse: '$&'\n");
|
|
} elsif(/typedef[^\{]*\{[^\}]*\}[^;];/s) {
|
|
$_ = $'; $again = 1;
|
|
$output->write("$file: $.: can't parse: '$&'\n");
|
|
} elsif(/\'[^\']*\'/s) {
|
|
$_ = $'; $again = 1;
|
|
} elsif(/\"(?:[^\\\"]*|\\.)*\"/s) {
|
|
$_ = $'; $again = 1;
|
|
} elsif(/;/s) {
|
|
$_ = $'; $again = 1;
|
|
} elsif(/extern\s+"C"\s+{/s) {
|
|
$_ = $'; $again = 1;
|
|
} elsif(/\{/s) {
|
|
$_ = $'; $again = 1;
|
|
print "+1: $_\n" if $options->debug >= 2;
|
|
$level++;
|
|
} else {
|
|
$lookahead = 1;
|
|
}
|
|
}
|
|
close(IN);
|
|
print STDERR "done\n" if $options->verbose;
|
|
$output->write("$file: not at toplevel at end of file\n") unless $level == 0;
|
|
}
|
|
|
|
1;
|