| 1 |
#! perl |
| 2 |
|
| 3 |
# used to automatically create accessors/mutators and method interfaces |
| 4 |
# to C++ classes for Perl. |
| 5 |
|
| 6 |
my $class = shift; |
| 7 |
my $curclass = ""; |
| 8 |
my (@scalar_member, @array_member); |
| 9 |
|
| 10 |
# convert c member name to perl |
| 11 |
sub c2perl($) { |
| 12 |
local $_ = shift; |
| 13 |
|
| 14 |
s/^([^.]+)\.\1_/$1\_/g; # tcpi.tcpi_xxx => tcpi_xxx |
| 15 |
|
| 16 |
$_ |
| 17 |
} |
| 18 |
|
| 19 |
for my $file (@ARGV) { |
| 20 |
open my $fh, "<:utf8", $file |
| 21 |
or die "$file: $!"; |
| 22 |
|
| 23 |
while (<$fh>) { |
| 24 |
next if /^\s*\//; # skip lines starting with / |
| 25 |
if ($curclass eq $class) { |
| 26 |
while (/ACC\s*\(R([WO])\s*,\s*([^)\]]+)(?:\[(\S+)\])?\)/g) { |
| 27 |
if ($3) { |
| 28 |
push @array_member, [$1, $2, $3]; |
| 29 |
} else { |
| 30 |
push @scalar_member, [$1, $2]; |
| 31 |
} |
| 32 |
} |
| 33 |
if (/MTH \s+ ([^(]*?) \s* ([A-Za-z_0-9]+) \s* \(([^)]*)\)/x) { |
| 34 |
push @method_member, [$1, $2, $3]; |
| 35 |
} |
| 36 |
} |
| 37 |
while (/INTERFACE_CLASS\s*\((\S+)\)/g) { |
| 38 |
$curclass = $1; |
| 39 |
} |
| 40 |
} |
| 41 |
} |
| 42 |
|
| 43 |
for (@method_member) { |
| 44 |
my ($rettype, $name, $params) = @$_; |
| 45 |
|
| 46 |
if ($rettype =~ s/static\s+//) { |
| 47 |
my $args = join ", ", $params =~ m/.*?([a-zA-Z_0-9]+)(?:,\s*|$)/g; |
| 48 |
if ($rettype ne "void") { |
| 49 |
print "$rettype\n$name ($params)\n", |
| 50 |
"\tCODE:\n", |
| 51 |
"\tRETVAL = $class\::$name ($args);\n", |
| 52 |
"\tOUTPUT:\n", |
| 53 |
"\tRETVAL\n"; |
| 54 |
} else { |
| 55 |
print "$rettype\n$name ($params)\n", |
| 56 |
"\tCODE:\n", |
| 57 |
"\t$class\::$name ($args);\n", |
| 58 |
} |
| 59 |
} else { |
| 60 |
print "$rettype\n$class\::$name ($params)\n"; |
| 61 |
} |
| 62 |
|
| 63 |
print "\n"; |
| 64 |
} |
| 65 |
|
| 66 |
if (@scalar_member) { |
| 67 |
print "SV *$scalar_member[0][1] ($class *self, SV *newval = 0)\n"; |
| 68 |
print "\tPROTOTYPE: \$;\$\n"; |
| 69 |
|
| 70 |
if (@scalar_member > 1) { |
| 71 |
print "\tALIAS:\n"; |
| 72 |
for (1 .. $#scalar_member) { |
| 73 |
print "\t\t" . (c2perl $scalar_member[$_][1]) . "\t= $_\n"; |
| 74 |
} |
| 75 |
} |
| 76 |
|
| 77 |
print "\tCODE:\n"; |
| 78 |
|
| 79 |
my $ix = @scalar_member == 1 ? 0 : "ix"; |
| 80 |
|
| 81 |
# read |
| 82 |
print "\tif (GIMME_V == G_VOID)\n", |
| 83 |
"\t RETVAL = &PL_sv_undef;\n", |
| 84 |
"\telse\n", |
| 85 |
"\t switch ($ix)\n", |
| 86 |
"\t {\n", |
| 87 |
(map "\t case $_: RETVAL = to_sv (self->$scalar_member[$_][1]); break;\n", |
| 88 |
0 .. $#scalar_member), |
| 89 |
"\t default: croak (\"scalar_member is write-only\");\n", |
| 90 |
"\t };\n"; |
| 91 |
|
| 92 |
# write |
| 93 |
print "\tif (newval)\n", |
| 94 |
"\t switch ($ix)\n", |
| 95 |
"\t {\n", |
| 96 |
(map "\t case $_: sv_to (newval, self->$scalar_member[$_][1]); break;\n", |
| 97 |
grep $scalar_member[$_][0] eq "W", |
| 98 |
0 .. $#scalar_member), |
| 99 |
"\t default: croak (\"scalar_member is read-only\");\n", |
| 100 |
"\t };\n"; |
| 101 |
|
| 102 |
print "\tOUTPUT: RETVAL\n\n"; |
| 103 |
} |
| 104 |
|
| 105 |
if (@array_member) { |
| 106 |
print "SV *$array_member[0][1] ($class *self, int idx, SV *newval = 0)\n"; |
| 107 |
print "\tPROTOTYPE: \$;\$\n"; |
| 108 |
|
| 109 |
if (@array_member > 1) { |
| 110 |
print "\tALIAS:\n"; |
| 111 |
for (1 .. $#array_member) { |
| 112 |
print "\t\t" . (c2perl $array_member[$_][1]) . "\t= $_\n"; |
| 113 |
} |
| 114 |
} |
| 115 |
|
| 116 |
print "\tCODE:\n"; |
| 117 |
|
| 118 |
print "\tif (idx < 0) croak (\"negative array index\");\n"; |
| 119 |
|
| 120 |
my $ix = @array_member == 1 ? 0 : "ix"; |
| 121 |
|
| 122 |
# range |
| 123 |
print "\t switch ($ix)\n", |
| 124 |
"\t {\n", |
| 125 |
(map "\t case $_: if (idx >= $array_member[$_][2]) croak (\"array index out of bounds\"); break;\n", |
| 126 |
0 .. $#array_member), |
| 127 |
"\t };\n"; |
| 128 |
|
| 129 |
# read |
| 130 |
print "\tif (GIMME_V == G_VOID)\n", |
| 131 |
"\t RETVAL = &PL_sv_undef;\n", |
| 132 |
"\telse\n", |
| 133 |
"\t switch ($ix)\n", |
| 134 |
"\t {\n", |
| 135 |
(map "\t case $_: RETVAL = to_sv (self->$array_member[$_][1] [idx]); break;\n", |
| 136 |
0 .. $#array_member), |
| 137 |
"\t default: croak (\"array_member is write-only\");\n", |
| 138 |
"\t };\n"; |
| 139 |
|
| 140 |
# write |
| 141 |
print "\tif (newval)\n", |
| 142 |
"\t switch ($ix)\n", |
| 143 |
"\t {\n", |
| 144 |
(map "\t case $_: sv_to (newval, self->$array_member[$_][1] [idx]); break;\n", |
| 145 |
grep $array_member[$_][0] eq "W", |
| 146 |
0 .. $#array_member), |
| 147 |
"\t default: croak (\"array_member is read-only\");\n", |
| 148 |
"\t };\n"; |
| 149 |
|
| 150 |
print "\tOUTPUT: RETVAL\n\n"; |
| 151 |
} |
| 152 |
|
