| 1 |
#! perl |
| 2 |
|
| 3 |
# |
| 4 |
# This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 5 |
# |
| 6 |
# Copyright (©) 2005,2006,2007,2008,2009 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 7 |
# |
| 8 |
# Deliantra is free software: you can redistribute it and/or modify it under |
| 9 |
# the terms of the Affero GNU General Public License as published by the |
| 10 |
# Free Software Foundation, either version 3 of the License, or (at your |
| 11 |
# option) any later version. |
| 12 |
# |
| 13 |
# This program is distributed in the hope that it will be useful, |
| 14 |
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 |
# GNU General Public License for more details. |
| 17 |
# |
| 18 |
# You should have received a copy of the Affero GNU General Public License |
| 19 |
# and the GNU General Public License along with this program. If not, see |
| 20 |
# <http://www.gnu.org/licenses/>. |
| 21 |
# |
| 22 |
# The authors can be reached via e-mail to <support@deliantra.net> |
| 23 |
# |
| 24 |
|
| 25 |
# used to automatically create accessors/mutators and method interfaces |
| 26 |
# to C++ classes for Perl. |
| 27 |
# also write data structures as JSON object, for reflection |
| 28 |
|
| 29 |
use JSON::XS; |
| 30 |
|
| 31 |
my $class = shift; |
| 32 |
my $curclass = ""; |
| 33 |
my (@scalar_member, @array_member); |
| 34 |
|
| 35 |
# convert c member name to perl |
| 36 |
sub c2perl($) { |
| 37 |
local $_ = shift; |
| 38 |
|
| 39 |
s/^([^.]+)\.\1_/$1\_/g; # tcpi.tcpi_xxx => tcpi_xxx |
| 40 |
|
| 41 |
$_ |
| 42 |
} |
| 43 |
|
| 44 |
for my $file (@ARGV) { |
| 45 |
open my $fh, "<:utf8", $file |
| 46 |
or die "$file: $!"; |
| 47 |
|
| 48 |
while (<$fh>) { |
| 49 |
next if /^\s*\//; # skip lines starting with / |
| 50 |
if ($curclass eq $class) { |
| 51 |
while (/ACC\s*\(R([WO])\s*,\s*([^)\]]+)(?:\[(\S+)\])?\)/g) { |
| 52 |
my ($access, $name, $count) = ($1, $2, $3); |
| 53 |
my $static = /\bstatic\b/; |
| 54 |
if ($count) { |
| 55 |
die "static array members not yet supported by genacc" if $static; |
| 56 |
push @array_member, [$access, $name, $static, $count]; |
| 57 |
} else { |
| 58 |
push @scalar_member, [$access, $name, $static]; |
| 59 |
} |
| 60 |
} |
| 61 |
if (/MTH \s+ ([^(]*?) \s* ([A-Za-z_0-9]+) \s* \(([^)]*)\)/x) { |
| 62 |
my ($retval, $name, $args) = ($1, $2, $3); |
| 63 |
push @method_member, [$retval, $name, $args]; |
| 64 |
} |
| 65 |
} |
| 66 |
while (/INTERFACE_CLASS\s*\((\S+)\)/g) { |
| 67 |
$curclass = $1; |
| 68 |
} |
| 69 |
} |
| 70 |
} |
| 71 |
|
| 72 |
for (@method_member) { |
| 73 |
my ($rettype, $name, $params) = @$_; |
| 74 |
|
| 75 |
if ($rettype =~ s/static\s+//) { |
| 76 |
my $args = join ", ", $params =~ m/.*?([a-zA-Z_0-9]+)(?:,\s*|$)/g; |
| 77 |
if ($rettype ne "void") { |
| 78 |
print "$rettype\n$name ($params)\n", |
| 79 |
"\tCODE:\n", |
| 80 |
"\tRETVAL = $class\::$name ($args);\n", |
| 81 |
"\tOUTPUT:\n", |
| 82 |
"\tRETVAL\n"; |
| 83 |
} else { |
| 84 |
print "$rettype\n$name ($params)\n", |
| 85 |
"\tCODE:\n", |
| 86 |
"\t$class\::$name ($args);\n", |
| 87 |
} |
| 88 |
} else { |
| 89 |
print "$rettype\n$class\::$name ($params)\n"; |
| 90 |
} |
| 91 |
|
| 92 |
print "\n"; |
| 93 |
} |
| 94 |
|
| 95 |
for my $static (0, 1) { |
| 96 |
my @member = grep $static == $_->[2], @scalar_member; |
| 97 |
|
| 98 |
if (@member) { |
| 99 |
my $self; |
| 100 |
if ($static) { |
| 101 |
$self = "$class\::"; |
| 102 |
print "SV *$member[0][1] (SV *newval = 0)\n", |
| 103 |
"\tPROTOTYPE: ;\$\n"; |
| 104 |
} else { |
| 105 |
$self = "self->"; |
| 106 |
print "SV *$member[0][1] ($class *self, SV *newval = 0)\n", |
| 107 |
"\tPROTOTYPE: \$;\$\n"; |
| 108 |
} |
| 109 |
|
| 110 |
if (@member > 1) { |
| 111 |
print "\tALIAS:\n"; |
| 112 |
for (1 .. $#member) { |
| 113 |
print "\t\t" . (c2perl $member[$_][1]) . "\t= $_\n"; |
| 114 |
} |
| 115 |
} |
| 116 |
|
| 117 |
print "\tCODE:\n"; |
| 118 |
|
| 119 |
my $ix = @member == 1 ? 0 : "ix"; |
| 120 |
|
| 121 |
# read |
| 122 |
print "\tif (GIMME_V == G_VOID)\n", |
| 123 |
"\t RETVAL = &PL_sv_undef;\n", |
| 124 |
"\telse\n", |
| 125 |
"\t switch ($ix)\n", |
| 126 |
"\t {\n", |
| 127 |
(map "\t case $_: RETVAL = to_sv ($self$member[$_][1]); break;\n", |
| 128 |
0 .. $#member), |
| 129 |
"\t default: croak (\"scalar_member is write-only\");\n", |
| 130 |
"\t };\n"; |
| 131 |
|
| 132 |
# write |
| 133 |
print "\tif (newval)\n", |
| 134 |
"\t switch ($ix)\n", |
| 135 |
"\t {\n", |
| 136 |
(map "\t case $_: sv_to (newval, $self$member[$_][1]); break;\n", |
| 137 |
grep $member[$_][0] eq "W", |
| 138 |
0 .. $#member), |
| 139 |
"\t default: croak (\"scalar_member is read-only\");\n", |
| 140 |
"\t };\n"; |
| 141 |
|
| 142 |
print "\tOUTPUT: RETVAL\n\n"; |
| 143 |
} |
| 144 |
} |
| 145 |
|
| 146 |
if (@array_member) { |
| 147 |
print "SV *$array_member[0][1] ($class *self, int idx, SV *newval = 0)\n"; |
| 148 |
print "\tPROTOTYPE: \$;\$\n"; |
| 149 |
|
| 150 |
if (@array_member > 1) { |
| 151 |
print "\tALIAS:\n"; |
| 152 |
for (1 .. $#array_member) { |
| 153 |
print "\t\t" . (c2perl $array_member[$_][1]) . "\t= $_\n"; |
| 154 |
} |
| 155 |
} |
| 156 |
|
| 157 |
print "\tCODE:\n"; |
| 158 |
|
| 159 |
print "\tif (idx < 0) croak (\"negative array index\");\n"; |
| 160 |
|
| 161 |
my $ix = @array_member == 1 ? 0 : "ix"; |
| 162 |
|
| 163 |
# range |
| 164 |
print "\t switch ($ix)\n", |
| 165 |
"\t {\n", |
| 166 |
(map "\t case $_: if (idx >= $array_member[$_][3]) croak (\"array index out of bounds\"); break;\n", |
| 167 |
0 .. $#array_member), |
| 168 |
"\t };\n"; |
| 169 |
|
| 170 |
# read |
| 171 |
print "\tif (GIMME_V == G_VOID)\n", |
| 172 |
"\t RETVAL = &PL_sv_undef;\n", |
| 173 |
"\telse\n", |
| 174 |
"\t switch ($ix)\n", |
| 175 |
"\t {\n", |
| 176 |
(map "\t case $_: RETVAL = to_sv (self->$array_member[$_][1] [idx]); break;\n", |
| 177 |
0 .. $#array_member), |
| 178 |
"\t default: croak (\"array_member is write-only\");\n", |
| 179 |
"\t };\n"; |
| 180 |
|
| 181 |
# write |
| 182 |
print "\tif (newval)\n", |
| 183 |
"\t switch ($ix)\n", |
| 184 |
"\t {\n", |
| 185 |
(map "\t case $_: sv_to (newval, self->$array_member[$_][1] [idx]); break;\n", |
| 186 |
grep $array_member[$_][0] eq "W", |
| 187 |
0 .. $#array_member), |
| 188 |
"\t default: croak (\"array_member is read-only\");\n", |
| 189 |
"\t };\n"; |
| 190 |
|
| 191 |
print "\tOUTPUT: RETVAL\n\n"; |
| 192 |
} |
| 193 |
|
| 194 |
my $json = JSON::XS->new->utf8->encode ({ |
| 195 |
class => $class, |
| 196 |
methods => { map +($_->[1], [$_->[0], $_->[2]]), @method_member }, |
| 197 |
scalars => { map +($_->[1], [$_->[0] ]), @scalar_member }, |
| 198 |
arrays => { map +($_->[1], [$_->[0], $_->[2]]), @array_member }, |
| 199 |
}); |
| 200 |
|
| 201 |
$json = join "\n", map { |
| 202 |
my $part = $_; |
| 203 |
$part =~ s/(["\\])/\\$1/g; |
| 204 |
"\"$part\"" |
| 205 |
} unpack "(a80)*", $json; |
| 206 |
|
| 207 |
print "BOOT:\n", |
| 208 |
"\tav_push (av_reflect, newSVpv ($json, 0));\n\n"; |
| 209 |
|
