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Diffstat (limited to '')
| -rwxr-xr-x | pdb/enumgen.pl | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/pdb/enumgen.pl b/pdb/enumgen.pl new file mode 100755 index 0000000..b525769 --- /dev/null +++ b/pdb/enumgen.pl @@ -0,0 +1,268 @@ +#!/usr/bin/perl -w + +# GIMP - The GNU Image Manipulation Program +# Copyright (C) 1999-2003 Manish Singh <yosh@gimp.org> + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUTFILE ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +BEGIN { + $srcdir = $ENV{srcdir} || '.'; + $destdir = $ENV{destdir} || '.'; + $builddir = $ENV{builddir} || '.'; +} + +use lib $srcdir; + +use Text::Wrap qw(wrap $columns); +$columns = 77; + +#BEGIN { require 'util.pl' } +require 'util.pl'; + +*write_file = \&Gimp::CodeGen::util::write_file; +*FILE_EXT = \$Gimp::CodeGen::util::FILE_EXT; + +my $header = <<'HEADER'; +:# GIMP - The GNU Image Manipulation Program +:# Copyright (C) 1999-2003 Manish Singh <yosh@gimp.org> +: +:# This program is free software: you can redistribute it and/or modify +:# it under the terms of the GNU General Public License as published by +:# the Free Software Foundation; either version 3 of the License, or +:# (at your option) any later version. +: +:# This program is distributed in the hope that it will be useful, +:# but WITHOUTFILE ANY WARRANTY; without even the implied warranty of +:# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +:# GNU General Public License for more details. +: +:# You should have received a copy of the GNU General Public License +:# along with this program. If not, see <https://www.gnu.org/licenses/>. +: +:# autogenerated by enumgen.pl +: +:package Gimp::CodeGen::enums; +: +:%enums = ( +HEADER + +my $external; +open my $EXTERNAL, "enums-external.pl"; +{ + local $/; + $external = <$EXTERNAL>; +} +close $EXTERNAL; + +my $footer = <<'FOOTER'; +:); +: +:foreach $e (values %enums) { +: $e->{info} = ""; +: foreach (@{$e->{symbols}}) { +: $e->{info} .= "$_ ($e->{mapping}->{$_}), " +: } +: $e->{info} =~ s/, $//; +:} +: +:1; +FOOTER + +my ($enumname, $contig, $symbols, @mapping, $before); + +# Most of this enum parsing stuff was swiped from makeenums.pl in GTK+ +sub parse_options { + my $opts = shift; + my @opts; + + for $opt (split /\s*,\s*/, $opts) { + $opt =~ s/^\s*//; + $opt =~ s/\s*$//; + my ($key,$val) = $opt =~ /([-\w]+)(?:=(.+))?/; + defined $val or $val = 1; + push @opts, $key, $val; + } + @opts; +} + +sub parse_entries { + my $file = shift; + my $file_name = shift; + my $looking_for_name = 0; + + while (<$file>) { + # Read lines until we have no open comments + while (m@/\*([^*]|\*(?!/))*$@) { + my $new; + defined ($new = <$file>) || die "Unmatched comment in $ARGV"; + $_ .= $new; + } + # strip comments w/o options + s@/\*(?!<) + ([^*]+|\*(?!/))* + \*/@@gx; + + s@\n@ @; + + next if m@^\s*$@; + + if ($looking_for_name) { + if (/^\s*(\w+)/) { + $enumname = $1; + return 1; + } + } + + # Handle include files + if (/^\#include\s*<([^>]*)>/ ) { + my $file= "../$1"; + open NEWFILE, $file or die "Cannot open include file $file: $!\n"; + + if (&parse_entries (\*NEWFILE, $NEWFILE)) { + return 1; + } else { + next; + } + } + + if (/^\s*\}\s*(\w+)/) { + $enumname = $1; + return 1; + } + + if (/^\s*\}/) { + $looking_for_name = 1; + next; + } + + if (m@^\s* + (\w+)\s* # name + (?:=( # value + (?:[^,/]|/(?!\*))* + ))?,?\s* + (?:/\*< # options + (([^*]|\*(?!/))*) + >\s*\*/)?,? + \s*$ + @x) { + my ($name, $value, $options) = ($1, $2, $3); + + if (defined $options) { + my %options = parse_options($options); + next if defined $options{"pdb-skip"}; + } + + $symbols .= $name . ' '; + + # Figure out a default value (not really foolproof) + $value = $before + 1 if !defined $value; + $value =~ s/\s*$//s; + $value =~ s/^\s*//s; + + push @mapping, $name, $value; + + my $test = $before + 1; + + # Warnings in our eval should be fatal so they set $@ + local $SIG{__WARN__} = sub { die $_[0] }; + + # Try to get a numeric value + eval "\$test = $value * 1;"; + + # Assume noncontiguous if it's not a number + $contig = 0 if $contig && ($@ || $test - 1 != $before); + + $before = $test; + } elsif (m@^\s*\#@) { + # ignore preprocessor directives + } else { + print STDERR "$0: $file_name:$.: Failed to parse `$_'\n"; + } + } + return 0; +} + +my $code = ""; +while (<>) { + if (eof) { + close (ARGV); # reset line numbering + } + + # read lines until we have no open comments + while (m@/\*([^*]|\*(?!/))*$@) { + my $new; + defined ($new = <>) || die "Unmatched comment in $ARGV"; + $_ .= $new; + } + # strip comments w/o options + s@/\*(?!<) + ([^*]+|\*(?!/))* + \*/@@gx; + + if (m@^\s*typedef\s+enum\s* + ({)?\s* + (?:/\*< + (([^*]|\*(?!/))*) + >\s*\*/)? + @x) { + if (defined $2) { + my %options = parse_options($2); + next if defined $options{"pdb-skip"}; + } + # Didn't have trailing '{' look on next lines + if (!defined $1) { + while (<>) { + if (s/^\s*\{//) { + last; + } + } + } + + $symbols = ""; $contig = 1; $before = -1; @mapping = (); + + # Now parse the entries + &parse_entries (\*ARGV, $ARGV); + + $symbols =~ s/\s*$//s; + $symbols = wrap("\t\t\t ", "\t\t\t " , $symbols); + $symbols =~ s/^\s*//s; + + my $mapping = ""; $pos = 1; + foreach (@mapping) { + $mapping .= $pos++ % 2 ? "$_ => " : "'$_',\n\t\t "; + } + $mapping =~ s/,\n\s*$//s; + + $ARGV =~ s@(?:(?:..|app)/)*@@; + + $code .= <<ENTRY; +: $enumname => +: { contig => $contig, +: header => '$ARGV', +: symbols => [ qw($symbols) ], +: mapping => { $mapping } +: }, +ENTRY + } +} + +$code =~ s/,\n$/\n/s; + +foreach ($header, $code, $footer) { s/^://mg } + +$outfile = "$builddir/pdb/enums.pl$FILE_EXT"; +open OUTFILE, "> $outfile"; +print OUTFILE $header, $external, $code, $footer; +close OUTFILE; +&write_file($outfile, "$destdir/pdb"); |