mirror of https://github.com/GNOME/gimp.git
536 lines
17 KiB
Perl
Executable File
536 lines
17 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# This is gimp-mkenums, a perl script based on glib-mkenums.
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# It can be used just like glib-mkenums but offers one extra
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# feature: The keyword "desc" is recognized in trigraphs and
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# allows to specify a literal description of the enum value.
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# This description is used to generate user interface elements
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# from the enumeration. To allow i18n of the description, the
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# value is by default put into the N_() macro.
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use Text::ParseWords;
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use File::Basename;
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# gimp-mkenums
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# Information about the current enumeration
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my $flags; # Is enumeration a bitmask?
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my $option_lowercase_name; # A lower case name to use as part of the *_get_type() function, instead of the one that we guess.
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# For instance, when an enum uses abnormal capitalization and we can not guess where to put the underscores.
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my $seenbitshift; # Have we seen bitshift operators?
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my $enum_prefix; # Prefix for this enumeration
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my $enumname; # Name for this enumeration
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my $enumshort; # $enumname without prefix
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my $enumnick; # lower case version of $enumshort
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my $enumindex = 0; # Global enum counter
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my $firstenum = 1; # Is this the first enumeration per file?
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my @entries; # [ $name, $val ] for each entry
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sub parse_trigraph {
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my $opts = shift;
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my @opts;
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for $opt (quotewords(",", "true", $opts)) {
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$opt =~ s/^\s*//;
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$opt =~ s/\s*$//;
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my ($key,$val) = $opt =~ /(\w+)(?:=(.+))?/;
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defined $val or $val = 1;
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push @opts, $key, $val;
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}
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@opts;
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}
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sub parse_entries {
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my $file = shift;
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my $file_name = shift;
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my $looking_for_name = 0;
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while (<$file>) {
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# read lines until we have no open comments
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while (m@/\*([^*]|\*(?!/))*$@) {
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my $new;
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defined ($new = <$file>) || die "Unmatched comment in $ARGV";
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$_ .= $new;
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}
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# strip comments w/o options
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s@/\*(?!<)
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([^*]+|\*(?!/))*
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\*/@@gx;
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# strip newlines
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s@\n@ @;
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# skip empty lines
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next if m@^\s*$@;
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if ($looking_for_name) {
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if (/^\s*(\w+)/) {
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$enumname = $1;
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return 1;
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}
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}
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# Handle include files
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if (/^\#include\s*<([^>]*)>/ ) {
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my $file= "../$1";
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open NEWFILE, $file or die "Cannot open include file $file: $!\n";
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if (parse_entries (\*NEWFILE, $NEWFILE)) {
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return 1;
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} else {
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next;
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}
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}
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if (/^\s*\}\s*(\w+)/) {
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$enumname = $1;
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$enumindex++;
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return 1;
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}
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if (/^\s*\}/) {
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$enumindex++;
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$looking_for_name = 1;
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next;
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}
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if (m@^\s*
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(\w+)\s* # name
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(?:=( # value
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\s*\w+\s*\(.*\)\s* # macro with multiple args
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| # OR
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(?:[^,/]|/(?!\*))* # anything but a comma or comment
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))?,?\s*
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(?:/\*< # options
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(([^*]|\*(?!/))*)
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>\s*\*/)?,?
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\s*$
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@x) {
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my ($name, $value, $options) = ($1,$2,$3);
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if (!defined $flags && defined $value && $value =~ /<</) {
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$seenbitshift = 1;
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}
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if (defined $options) {
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my %options = parse_trigraph($options);
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if (!defined $options{"skip"}) {
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push @entries, [ $name, $options{nick}, $options{desc}, $options{help} ];
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}
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} else {
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push @entries, [ $name ];
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}
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# skip remaining lines of multiline values
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do {
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if (m/}/) {
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redo;
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} elsif (m@,\s*(/\*.*?\*/\s*)*$@) {
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next;
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}
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} while (<$file>);
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# failed to find end of value. bail
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die "$0: $file_name:$.: Unterminated enum, while processing `$name'\n";
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} elsif (m@^\s*\#@) {
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# ignore preprocessor directives
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} else {
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print STDERR "$0: $file_name:$.: Failed to parse `$_'\n";
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}
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}
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return 0;
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}
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sub version {
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print STDERR "gimp-mkenums based on glib-mkenums version glib-2.0\n";
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print STDERR "gimp-mkenums comes with ABSOLUTELY NO WARRANTY.\n";
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print STDERR "You may redistribute copies of gimp-mkenums under the terms\n";
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print STDERR "of the GNU General Public License which can be found in the\n";
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print STDERR "GIMP source package.";
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exit 0;
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}
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sub usage {
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print STDERR "Usage: gimp-mkenums [options] [files...]\n";
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print STDERR " --fhead <text> output file header\n";
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print STDERR " --fprod <text> per input file production\n";
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print STDERR " --ftail <text> output file trailer\n";
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print STDERR " --eprod <text> per enum text (produced prior to value itarations)\n";
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print STDERR " --vhead <text> value header, produced before iterating over enum values\n";
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print STDERR " --vprod <text> value text, produced for each enum value\n";
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print STDERR " --vtail <text> value tail, produced after iterating over enum values\n";
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print STDERR " --dhead <text> description header, produced before iterating over enum value descriptions\n";
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print STDERR " --dprod <text> description text, produced for each enum value description\n";
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print STDERR " --dtail <text> description tail, produced after iterating over enum value descriptions\n";
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print STDERR " --comments <text> comment structure\n";
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print STDERR " -h, --help show this help message\n";
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print STDERR " -v, --version print version informations\n";
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print STDERR "Production text substitutions:\n";
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print STDERR " \@EnumName\@ PrefixTheXEnum\n";
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print STDERR " \@enum_name\@ prefix_the_xenum\n";
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print STDERR " \@ENUMNAME\@ PREFIX_THE_XENUM\n";
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print STDERR " \@ENUMSHORT\@ THE_XENUM\n";
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print STDERR " \@enumnick\@ the_xenum\n";
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print STDERR " \@VALUENAME\@ PREFIX_THE_XVALUE\n";
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print STDERR " \@valuenick\@ the-xvalue\n";
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print STDERR " \@valuedesc\@ descriptions as defined in the header\n";
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print STDERR " \@valuehelp\@ help texts as defined in the header\n";
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print STDERR " \@type\@ either enum or flags\n";
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print STDERR " \@Type\@ either Enum or Flags\n";
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print STDERR " \@TYPE\@ either ENUM or FLAGS\n";
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print STDERR " \@filename\@ name of current input file\n";
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print STDERR " \@basename\@ basename of current input file\n";
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exit 0;
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}
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# production variables:
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my $fhead = ""; # output file header
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my $fprod = ""; # per input file production
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my $ftail = ""; # output file trailer
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my $eprod = ""; # per enum text (produced prior to value itarations)
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my $vhead = ""; # value header, produced before iterating over enum values
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my $vprod = ""; # value text, produced for each enum value
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my $vtail = ""; # value tail, produced after iterating over enum values
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my $dhead = ""; # desc header, produced before iterating over enum values
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my $dprod = ""; # desc text, produced for each enum value
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my $dtail = ""; # desc tail, produced after iterating over enum values
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# other options
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my $comment_tmpl = "/* \@comment\@ */";
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if (!defined $ARGV[0]) {
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usage;
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}
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while ($_ = $ARGV[0], /^-/) {
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shift;
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last if /^--$/;
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if (/^--fhead$/) { $fhead = $fhead . shift }
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elsif (/^--fprod$/) { $fprod = $fprod . shift }
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elsif (/^--ftail$/) { $ftail = $ftail . shift }
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elsif (/^--eprod$/) { $eprod = $eprod . shift }
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elsif (/^--vhead$/) { $vhead = $vhead . shift }
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elsif (/^--vprod$/) { $vprod = $vprod . shift }
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elsif (/^--vtail$/) { $vtail = $vtail . shift }
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elsif (/^--dhead$/) { $dhead = $dhead . shift }
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elsif (/^--dprod$/) { $dprod = $dprod . shift }
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elsif (/^--dtail$/) { $dtail = $dtail . shift }
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elsif (/^--comments$/) { $comment_tmpl = shift }
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elsif (/^--help$/ || /^-h$/) { usage; }
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elsif (/^--version$/ || /^-v$/) { version; }
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else { usage; }
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}
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# put auto-generation comment
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{
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my $comment = $comment_tmpl;
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$comment =~ s/\@comment\@/Generated data (by gimp-mkenums)/;
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print "\n" . $comment . "\n\n";
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}
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if (length($fhead)) {
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my $prod = $fhead;
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$prod =~ s/\@filename\@/$ARGV[0]/g;
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$prod =~ s/\@basename\@/basename($ARGV[0])/ge;
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$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
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$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
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print "$prod\n";
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}
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while (<>) {
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if (eof) {
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close (ARGV); # reset line numbering
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$firstenum = 1; # Flag to print filename at next enum
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}
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# read lines until we have no open comments
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while (m@/\*([^*]|\*(?!/))*$@) {
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my $new;
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defined ($new = <>) || die "Unmatched comment in $ARGV";
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$_ .= $new;
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}
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# strip comments w/o options
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s@/\*(?!<)
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([^*]+|\*(?!/))*
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\*/@@gx;
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# ignore forward declarations
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next if /^\s*typedef\s+enum.*;/;
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if (m@^\s*typedef\s+enum\s*
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({)?\s*
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(?:/\*<
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(([^*]|\*(?!/))*)
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>\s*\*/)?
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@x) {
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if (defined $2) {
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my %options = parse_trigraph ($2);
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next if defined $options{"skip"};
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$enum_prefix = $options{prefix};
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$flags = $options{flags};
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$option_lowercase_name = $options{lowercase_name};
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} else {
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$enum_prefix = undef;
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$flags = undef;
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$option_lowercase_name = undef;
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}
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# Didn't have trailing '{' look on next lines
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if (!defined $1) {
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while (<>) {
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if (eof) {
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die "Hit end of file while parsing enum in $ARGV";
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}
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if (s/^\s*\{//) {
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last;
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}
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}
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}
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$seenbitshift = 0;
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@entries = ();
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# Now parse the entries
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parse_entries (\*ARGV, $ARGV);
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# figure out if this was a flags or enums enumeration
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if (!defined $flags) {
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$flags = $seenbitshift;
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}
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# Autogenerate a prefix
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if (!defined $enum_prefix) {
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for (@entries) {
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my $nick = $_->[1];
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if (!defined $nick) {
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my $name = $_->[0];
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if (defined $enum_prefix) {
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my $tmp = ~ ($name ^ $enum_prefix);
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($tmp) = $tmp =~ /(^\xff*)/;
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$enum_prefix = $enum_prefix & $tmp;
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} else {
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$enum_prefix = $name;
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}
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}
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}
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if (!defined $enum_prefix) {
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$enum_prefix = "";
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} else {
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# Trim so that it ends in an underscore
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$enum_prefix =~ s/_[^_]*$/_/;
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}
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} else {
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# canonicalize user defined prefixes
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$enum_prefix = uc($enum_prefix);
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$enum_prefix =~ s/-/_/g;
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$enum_prefix =~ s/(.*)([^_])$/$1$2_/;
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}
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# enumname is e.g. GMatchType
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$enspace = $enumname;
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$enspace =~ s/^([A-Z][a-z]*).*$/$1/;
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$enumshort = $enumname;
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$enumshort =~ s/^[A-Z][a-z]*//;
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$enumshort =~ s/([^A-Z])([A-Z])/$1_$2/g;
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$enumshort =~ s/([A-Z][A-Z])([A-Z][0-9a-z])/$1_$2/g;
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$enumshort = uc($enumshort);
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$enumlong = uc($enspace) . "_" . $enumshort;
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$enumsym = lc($enspace) . "_" . lc($enumshort);
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$enumnick = lc($enumshort);
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$enumnick =~ tr/_/-/;
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for $entry (@entries) {
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my ($name,$nick,$desc,$help) = @{$entry};
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if (!defined $nick) {
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($nick = $name) =~ s/^$enum_prefix//;
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$nick =~ tr/_/-/;
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$nick = lc($nick);
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}
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if (!defined $desc) {
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$desc = "\"$name\"";
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} else {
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$desc = "NC_(\"$enumnick\", $desc)";
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}
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if (!defined $help) {
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$help = "NULL";
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} else {
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$help = "N_($help)";
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}
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@{$entry} = ($name, $nick, $desc, $help);
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}
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# Spit out the output
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# The options might override the lower case name if it could
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# not be generated correctly:
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if (defined($option_lowercase_name)) {
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$enumsym = $option_lowercase_name;
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}
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if ($firstenum) {
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$firstenum = 0;
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if (length($fprod)) {
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my $prod = $fprod;
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$prod =~ s/\@filename\@/$ARGV/g;
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$prod =~ s/\@basename\@/basename($ARGV)/ge;
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$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
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$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
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print "$prod\n";
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}
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}
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if (length($eprod)) {
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my $prod = $eprod;
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$prod =~ s/\@enum_name\@/$enumsym/g;
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$prod =~ s/\@EnumName\@/$enumname/g;
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$prod =~ s/\@ENUMSHORT\@/$enumshort/g;
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$prod =~ s/\@enumnick\@/$enumnick/g;
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$prod =~ s/\@ENUMNAME\@/$enumlong/g;
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if ($flags) { $prod =~ s/\@type\@/flags/g; } else { $prod =~ s/\@type\@/enum/g; }
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if ($flags) { $prod =~ s/\@Type\@/Flags/g; } else { $prod =~ s/\@Type\@/Enum/g; }
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if ($flags) { $prod =~ s/\@TYPE\@/FLAGS/g; } else { $prod =~ s/\@TYPE\@/ENUM/g; }
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$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
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$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
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print "$prod\n";
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}
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if (length($vhead)) {
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my $prod = $vhead;
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$prod =~ s/\@enum_name\@/$enumsym/g;
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$prod =~ s/\@EnumName\@/$enumname/g;
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$prod =~ s/\@ENUMSHORT\@/$enumshort/g;
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$prod =~ s/\@enumnick\@/$enumnick/g;
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$prod =~ s/\@ENUMNAME\@/$enumlong/g;
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if ($flags) { $prod =~ s/\@type\@/flags/g; } else { $prod =~ s/\@type\@/enum/g; }
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if ($flags) { $prod =~ s/\@Type\@/Flags/g; } else { $prod =~ s/\@Type\@/Enum/g; }
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if ($flags) { $prod =~ s/\@TYPE\@/FLAGS/g; } else { $prod =~ s/\@TYPE\@/ENUM/g; }
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$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
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$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
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print "$prod\n";
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}
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if (length($vprod)) {
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my $prod = $vprod;
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$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
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$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
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for (@entries) {
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my ($name,$nick,$desc,$help) = @{$_};
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my $tmp_prod = $prod;
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$tmp_prod =~ s/\@VALUENAME\@/$name/g;
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$tmp_prod =~ s/\@valuenick\@/$nick/g;
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$tmp_prod =~ s/\@valuedesc\@/$desc/g;
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$tmp_prod =~ s/\@valuehelp\@/$help/g;
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if ($flags) { $tmp_prod =~ s/\@type\@/flags/g; } else { $tmp_prod =~ s/\@type\@/enum/g; }
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if ($flags) { $tmp_prod =~ s/\@Type\@/Flags/g; } else { $tmp_prod =~ s/\@Type\@/Enum/g; }
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if ($flags) { $tmp_prod =~ s/\@TYPE\@/FLAGS/g; } else { $tmp_prod =~ s/\@TYPE\@/ENUM/g; }
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print "$tmp_prod\n";
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}
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}
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if (length($vtail)) {
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my $prod = $vtail;
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$prod =~ s/\@enum_name\@/$enumsym/g;
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$prod =~ s/\@EnumName\@/$enumname/g;
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$prod =~ s/\@ENUMSHORT\@/$enumshort/g;
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$prod =~ s/\@enumnick\@/$enumnick/g;
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$prod =~ s/\@ENUMNAME\@/$enumlong/g;
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if ($flags) { $prod =~ s/\@type\@/flags/g; } else { $prod =~ s/\@type\@/enum/g; }
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if ($flags) { $prod =~ s/\@Type\@/Flags/g; } else { $prod =~ s/\@Type\@/Enum/g; }
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if ($flags) { $prod =~ s/\@TYPE\@/FLAGS/g; } else { $prod =~ s/\@TYPE\@/ENUM/g; }
|
|
$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
|
|
$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
|
|
|
|
print "$prod\n";
|
|
}
|
|
|
|
if (length($dhead)) {
|
|
my $prod = $dhead;
|
|
|
|
$prod =~ s/\@enum_name\@/$enumsym/g;
|
|
$prod =~ s/\@EnumName\@/$enumname/g;
|
|
$prod =~ s/\@ENUMSHORT\@/$enumshort/g;
|
|
$prod =~ s/\@enumnick\@/$enumnick/g;
|
|
$prod =~ s/\@ENUMNAME\@/$enumlong/g;
|
|
if ($flags) { $prod =~ s/\@type\@/flags/g; } else { $prod =~ s/\@type\@/enum/g; }
|
|
if ($flags) { $prod =~ s/\@Type\@/Flags/g; } else { $prod =~ s/\@Type\@/Enum/g; }
|
|
if ($flags) { $prod =~ s/\@TYPE\@/FLAGS/g; } else { $prod =~ s/\@TYPE\@/ENUM/g; }
|
|
$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
|
|
$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
|
|
|
|
print "$prod\n";
|
|
}
|
|
|
|
if (length($dprod)) {
|
|
my $prod = $dprod;
|
|
|
|
$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
|
|
$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
|
|
for (@entries) {
|
|
my ($name,$nick,$desc,$help) = @{$_};
|
|
my $tmp_prod = $prod;
|
|
|
|
$tmp_prod =~ s/\@VALUENAME\@/$name/g;
|
|
$tmp_prod =~ s/\@valuenick\@/$nick/g;
|
|
$tmp_prod =~ s/\@valuedesc\@/$desc/g;
|
|
$tmp_prod =~ s/\@valuehelp\@/$help/g;
|
|
if ($flags) { $tmp_prod =~ s/\@type\@/flags/g; } else { $tmp_prod =~ s/\@type\@/enum/g; }
|
|
if ($flags) { $tmp_prod =~ s/\@Type\@/Flags/g; } else { $tmp_prod =~ s/\@Type\@/Enum/g; }
|
|
if ($flags) { $tmp_prod =~ s/\@TYPE\@/FLAGS/g; } else { $tmp_prod =~ s/\@TYPE\@/ENUM/g; }
|
|
|
|
print "$tmp_prod\n";
|
|
}
|
|
}
|
|
|
|
if (length($dtail)) {
|
|
my $prod = $dtail;
|
|
|
|
$prod =~ s/\@enum_name\@/$enumsym/g;
|
|
$prod =~ s/\@EnumName\@/$enumname/g;
|
|
$prod =~ s/\@ENUMSHORT\@/$enumshort/g;
|
|
$prod =~ s/\@enumnick\@/$enumnick/g;
|
|
$prod =~ s/\@ENUMNAME\@/$enumlong/g;
|
|
if ($flags) { $prod =~ s/\@type\@/flags/g; } else { $prod =~ s/\@type\@/enum/g; }
|
|
if ($flags) { $prod =~ s/\@Type\@/Flags/g; } else { $prod =~ s/\@Type\@/Enum/g; }
|
|
if ($flags) { $prod =~ s/\@TYPE\@/FLAGS/g; } else { $prod =~ s/\@TYPE\@/ENUM/g; }
|
|
$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
|
|
$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
|
|
|
|
print "$prod\n";
|
|
}
|
|
}
|
|
}
|
|
|
|
if (length($ftail)) {
|
|
my $prod = $ftail;
|
|
|
|
$prod =~ s/\@filename\@/$ARGV/g;
|
|
$prod =~ s/\@basename\@/basename($ARGV)/ge;
|
|
$prod =~ s/\\a/\a/g; $prod =~ s/\\b/\b/g; $prod =~ s/\\t/\t/g; $prod =~ s/\\n/\n/g;
|
|
$prod =~ s/\\f/\f/g; $prod =~ s/\\r/\r/g;
|
|
|
|
print "$prod\n";
|
|
}
|
|
|
|
# put auto-generation comment
|
|
{
|
|
my $comment = $comment_tmpl;
|
|
$comment =~ s/\@comment\@/Generated data ends here/;
|
|
print "\n" . $comment . "\n\n";
|
|
}
|