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