354 lines
9.7 KiB
Perl
354 lines
9.7 KiB
Perl
package winapi_parser;
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use strict;
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sub parse_c_file {
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my $options = shift;
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my $output = shift;
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my $file = shift;
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my $function_found_callback = shift;
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my $preprocessor_found_callback = shift;
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my $documentation;
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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 $function = "";
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my $argument_types;
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my $argument_names;
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my $statements;
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my $function_begin = sub {
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$documentation = shift;
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$linkage = shift;
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$return_type= shift;
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$calling_convention = shift;
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$function = shift;
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$argument_types = shift;
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$argument_names = shift;
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if($#$argument_names == -1) {
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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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$statements = "";
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};
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my $function_end = sub {
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&$function_found_callback($documentation,$linkage,$return_type,$calling_convention,
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$function,$argument_types,$argument_names,$statements);
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$function = "";
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};
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my %regs_entrypoints;
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my @comments = ();
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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: $!\n";
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$/ = "\n";
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while($again || defined(my $line = <IN>)) {
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if(!$again) {
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chomp $line;
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if($lookahead) {
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$lookahead = 0;
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$_ .= "\n" . $line;
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} else {
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$_ = $line;
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$lookahead_count = 0;
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}
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$lookahead_count++;
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print " $level($lookahead_count): $line\n" if $options->debug >= 2;
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print "*** $_\n" if $options->debug >= 3;
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} else {
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$lookahead_count = 0;
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$again = 0;
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}
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# Merge conflicts in file?
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if(/^(<<<<<<<|=======|>>>>>>>)/) {
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$output->write("$file: merge conflicts in file\n");
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last;
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}
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# remove comments
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if(s/^(.*?)(\/\*.*?\*\/)(.*)$/$1 $3/s) { push @comments, $2; $again = 1; next };
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if(/^(.*?)\/\*/s) {
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$lookahead = 1;
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next;
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}
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# remove empty rows
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if(/^\s*$/) { next; }
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# remove preprocessor directives
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if(s/^\s*\#/\#/m) {
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if(/^\\#.*?\\$/m) {
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$lookahead = 1;
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next;
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} elsif(s/^\#\s*(.*?)(\s+(.*?))?\s*$//m) {
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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($1, "");
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}
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next;
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}
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}
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# Remove extern "C"
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if(s/^\s*extern\s+"C"\s+\{//m) {
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$extern_c = 1;
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$again = 1;
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next;
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}
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my $documentation;
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{
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my $n = $#comments;
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while($n >= 0 && ($comments[$n] !~ /^\/\*\*/ || $comments[$n] =~ /^\/\*\*+\//)) { $n-- }
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if(defined($comments[$n]) && $n >= 0) {
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$documentation = $comments[$n];
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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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} 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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$level = 0;
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}
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}
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if($line !~ /^\s*$/) {
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$statements .= "$line\n";
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}
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if($function && $level == 0) {
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&$function_end;
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}
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next;
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} elsif(/(extern\s+|static\s+)?((struct\s+|union\s+|enum\s+)?\w+((\s*\*)+\s*|\s+))((__cdecl|__stdcall|VFWAPIV|VFWAPI|WINAPIV|WINAPI|CALLBACK)\s+)?(\w+(\(\w+\))?)\s*\(([^\)]*)\)\s*(\{|\;)/s) {
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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 = "void" }
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my @argument_types;
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my @argument_names;
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my @arguments = split(/,/, $arguments);
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foreach my $n (0..$#arguments) {
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my $argument_type = "";
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my $argument_name = "";
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my $argument = $arguments[$n];
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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(?=\s)|IN(?=\s)|OUT(?=\s)|\s*)\s*//;
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$argument =~ s/^(const(?=\s)|CONST(?=\s)|\s*)\s*//;
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if($argument =~ /^\.\.\.$/) {
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$argument_type = "...";
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$argument_name = "...";
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} elsif($argument =~ /^((?:struct\s+|union\s+|enum\s+|(?:signed\s+|unsigned\s+)(?:short\s+(?=int)|long\s+(?=int))?)?\w+)\s*((?:const)?\s*(?:\*\s*?)*)\s*(?:WINE_UNUSED\s+)?(\w*)\s*(?:\[\]|\s+OPTIONAL)?/) {
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$argument_type = "$1";
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if($2 ne "") {
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$argument_type .= " $2";
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}
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$argument_name = $3;
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$argument_type =~ s/\s*const\s*/ /;
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$argument_type =~ s/^\s*(.*?)\s*$/$1/;
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$argument_name =~ s/^\s*(.*?)\s*$/$1/;
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} else {
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die "$file: $.: syntax error: '$argument'\n";
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}
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$argument_types[$n] = $argument_type;
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$argument_names[$n] = $argument_name;
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# print " " . ($n + 1) . ": '" . $argument_types[$n] . "', '" . $argument_names[$n] . "'\n";
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}
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if($#argument_types == 0 && $argument_types[0] =~ /^void$/i) {
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$#argument_types = -1;
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$#argument_names = -1;
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}
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if($options->debug) {
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print "$file: $return_type $calling_convention $name(" . join(",", @arguments) . ")\n";
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}
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&$function_begin($documentation,$linkage,$return_type,$calling_convention,$name,\@argument_types,\@argument_names);
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if($level == 0) {
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&$function_end;
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}
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} elsif(/DC_(GET_X_Y|GET_VAL_16)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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my @arguments = ("HDC16");
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&$function_begin($documentation, "", $2, "WINAPI", $3, \@arguments);
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&$function_end;
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} elsif(/DC_(GET_VAL_32)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,.*?\)/s) {
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$_ = $'; $again = 1;
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my @arguments = ("HDC");
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&$function_begin($documentation, "", $2, "WINAPI", $3, \@arguments);
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&$function_end;
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} elsif(/DC_(GET_VAL_EX)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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my @arguments16 = ("HDC16", "LP" . $5 . "16");
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my @arguments32 = ("HDC", "LP" . $5);
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&$function_begin($documentation, "", "BOOL16", "WINAPI", $2 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "BOOL", "WINAPI", $2, \@arguments32);
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&$function_end;
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} elsif(/DC_(SET_MODE)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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my @arguments16 = ("HDC16", "INT16");
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my @arguments32 = ("HDC", "INT");
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&$function_begin($documentation, "", "INT16", "WINAPI", $2 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "INT", "WINAPI", $2, \@arguments32);
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&$function_end;
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} elsif(/WAVEIN_SHORTCUT_0\s*\(\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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my @arguments16 = ("HWAVEIN16");
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my @arguments32 = ("HWAVEIN");
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&$function_begin($documentation, "", "UINT16", "WINAPI", "waveIn" . $1 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "UINT", "WINAPI", "waveIn" . $1, \@arguments32);
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&$function_end;
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} elsif(/WAVEOUT_SHORTCUT_0\s*\(\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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my @arguments16 = ("HWAVEOUT16");
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my @arguments32 = ("HWAVEOUT");
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&$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut" . $1 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $1, \@arguments32);
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&$function_end;
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} elsif(/WAVEOUT_SHORTCUT_(1|2)\s*\(\s*(.*?)\s*,\s*(.*?)\s*,\s*(.*?)\s*\)/s) {
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$_ = $'; $again = 1;
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if($1 eq "1") {
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my @arguments16 = ("HWAVEOUT16", $4);
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my @arguments32 = ("HWAVEOUT", $4);
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&$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut" . $2 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $2, \@arguments32);
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&$function_end;
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} elsif($1 eq 2) {
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my @arguments16 = ("UINT16", $4);
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my @arguments32 = ("UINT", $4);
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&$function_begin($documentation, "", "UINT16", "WINAPI", "waveOut". $2 . "16", \@arguments16);
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&$function_end;
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&$function_begin($documentation, "", "UINT", "WINAPI", "waveOut" . $2, \@arguments32);
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&$function_end;
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}
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} elsif(/DEFINE_REGS_ENTRYPOINT_\d+\(\s*(\S*)\s*,\s*([^\s,\)]*).*?\)/s) {
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$_ = $'; $again = 1;
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$regs_entrypoints{$2} = $1;
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} elsif(/\'[^\']*\'/s) {
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$_ = $'; $again = 1;
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} elsif(/\"[^\"]*\"/s) {
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$_ = $'; $again = 1;
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} elsif(/;/s) {
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$_ = $'; $again = 1;
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} elsif(/extern\s+"C"\s+{/s) {
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$_ = $'; $again = 1;
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} elsif(/\{/s) {
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$_ = $'; $again = 1;
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print "+1: $_\n" if $options->debug >= 2;
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$level++;
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} else {
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$lookahead = 1;
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}
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}
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close(IN);
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print STDERR "done\n" if $options->verbose;
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$output->write("$file: not at toplevel at end of file\n") unless $level == 0;
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}
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1;
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