93 lines
3.5 KiB
Perl
93 lines
3.5 KiB
Perl
|
# Examples from perltidy webpage.....
|
||
|
|
|
||
|
|
#Some code with side comments
|
||
|
|
my $lines = 0; # checksum: #lines
|
||
|
|
my $bytes = 0; # checksum: #bytes
|
||
|
|
my $sum = 0; # checksum: system V sum
|
||
|
|
my $patchdata = 0; # saw patch data
|
||
|
|
my $pos = 0; # start of patch data
|
||
|
|
my $endkit = 0; # saw end of kit
|
||
|
|
my $fail = 0; # failed
|
||
|
|
|
||
|
|
#A loop
|
||
|
|
$_ = <<'EOL';
|
||
|
|
$url = new URI::URL "http://www/"; die if $url eq "xXx";
|
||
|
|
EOL
|
||
|
|
LOOP:{print(" digits"),redo LOOP if/\G\d+\b[,.;]?\s*/gc;print(" lowercase"),
|
||
|
|
redo LOOP if/\G[a-z]+\b[,.;]?\s*/gc;print(" UPPERCASE"),redo LOOP
|
||
|
|
if/\G[A-Z]+\b[,.;]?\s*/gc;print(" Capitalized"),
|
||
|
|
redo LOOP if/\G[A-Z][a-z]+\b[,.;]?\s*/gc;
|
||
|
|
print(" MiXeD"),redo LOOP if/\G[A-Za-z]+\b[,.;]?\s*/gc;print(
|
||
|
|
" alphanumeric"),redo LOOP if/\G[A-Za-z0-9]+\b[,.;]?\s*/gc;print(" line-noise"
|
||
|
|
),redo LOOP if/\G[^A-Za-z0-9]+/gc;print". That's all!\n";}
|
||
|
|
|
||
|
|
#A hash definition list
|
||
|
|
%unitscale=("in",72,"pt",72.27/72,"pc",12,"mm",72/25.4,"cm",72/2.54,
|
||
|
|
"\\hsize",100,"\\vsize",100,"\\textwidth",100,"\\textheight",100,
|
||
|
|
"\\pagewidth",100,"\\linewidth",100);
|
||
|
|
|
||
|
|
#A matrix
|
||
|
|
my $a_box = [ [ $a11, $a12, $a13, $a14, $a15, $a16 ],
|
||
|
|
[ $a21, $a22, $a23, $a24, $a25, $a26 ], [ $a31, $a32, $a33, $a34, $a35, $a36 ],
|
||
|
|
[ $a41, $a42, $a43, $a44, $a45, $a46 ], [ $a51, $a52, $a53, $a54, $a55, $a56 ],
|
||
|
|
[ $a61, $a62, $a63, $a64, $a65, $a66 ], ];
|
||
|
|
|
||
|
|
#A complex data structure
|
||
|
|
%TV=(flintstones=>{series=>"flintstones",nights=>[qw(monday thursday friday)],
|
||
|
|
members=>[{name=>"fred",role=>"lead",age=>36,},{name=>"wilma",role=>"wife",
|
||
|
|
age=>31,},{name=>"pebbles",role=>"kid",age=>4,},],},jetsons=>{series=>"jetsons",
|
||
|
|
nights=>[qw(wednesday saturday)],members=>[{name=>"george",role=>"lead",age=>41,
|
||
|
|
},{name=>"jane",role=>"wife",age=>39,},{name=>"elroy",role=>"kid",age=>9,},],},
|
||
|
|
simpsons=>{series=>"simpsons",nights=>[qw(monday)],members=>[{name=>"homer",
|
||
|
|
role=>"lead",age=>34,},{name=>"marge",role=>"wife",age=>37,},{name=>"bart",
|
||
|
|
role=>"kid",age=>11,},],},);
|
||
|
|
|
||
|
|
#Cleaning up code from a code generator
|
||
|
|
#A good application of perltidy is to clean up code which has been produced by a code generator. Here is a snippet advent.t which was generated from Fortran source by a translation tool.
|
||
|
|
{
|
||
|
|
L9140:
|
||
|
|
if ($msccom::obj==$msccom::food) {
|
||
|
|
goto L8142;
|
||
|
|
}
|
||
|
|
if ($msccom::obj==$msccom::bird||$msccom::obj==$msccom::snake||$msccom::obj==$msccom::clam||$msccom::obj==$msccom::oyster||$msccom::obj==$msccom::dwarf||$msccom::obj==$msccom::dragon||$msccom::obj==$msccom::troll||$msccom::obj==$msccom::bear) {
|
||
|
|
$msccom::spk=71;
|
||
|
|
}
|
||
|
|
goto L2011;
|
||
|
|
#
|
||
|
|
# DRINK. IF NO OBJECT, ASSUME WATER AND LOOK FOR IT HERE. IF WATER IS
|
||
|
|
# THE BOTTLE, DRINK THAT, ELSE MUST BE AT A WATER LOC, SO DRINK STREAM.
|
||
|
|
#
|
||
|
|
L9150:
|
||
|
|
if ($msccom::obj==0&&$liqloc->($placom::loc)!=$msccom::water&&($liq->(0)!=$msccom::water||!$here->($msccom::bottle))) {
|
||
|
|
goto L8000;
|
||
|
|
}
|
||
|
|
if ($msccom::obj!=0&&$msccom::obj!=$msccom::water) {
|
||
|
|
$msccom::spk=110;
|
||
|
|
}
|
||
|
|
if ($msccom::spk==110||$liq->(0)!=$msccom::water||!$here->($msccom::bottle)) {
|
||
|
|
goto L2011;
|
||
|
|
}
|
||
|
|
$placom::prop->($msccom::bottle)=1;
|
||
|
|
$placom::place->($msccom::water)=0;
|
||
|
|
$msccom::spk=74;
|
||
|
|
goto L2011;
|
||
|
|
#
|
||
|
|
# RUB. YIELDS VARIOUS SNIDE REMARKS.
|
||
|
|
#
|
||
|
|
L9160:
|
||
|
|
if ($msccom::obj!=$placom::lamp) {
|
||
|
|
$msccom::spk=76;
|
||
|
|
}
|
||
|
|
goto L2011;
|
||
|
|
#
|
||
|
|
# THROW. SAME AS DISCARD UNLESS AXE. THEN SAME AS ATTACK EXCEPT IGNOR
|
||
|
|
# AND IF DWARF IS PRESENT THEN ONE MIGHT BE KILLED. (ONLY WAY TO DO SO
|
||
|
|
# AXE ALSO SPECIAL FOR DRAGON, BEAR, AND TROLL. TREASURES SPECIAL FOR
|
||
|
|
#
|
||
|
|
L9170:
|
||
|
|
if ($toting->($msccom::rod2)&&$msccom::obj==$msccom::rod&&!$toting->($msccom::rod)) {
|
||
|
|
$msccom::obj=$msccom::rod2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|