111 lines
3.3 KiB
Perl
Executable file
111 lines
3.3 KiB
Perl
Executable file
#!/usr/bin/env perl
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# SEE ALSO THE DOCUMENTATION IN port.sh
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#
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# This perl script is for porting files from the standard library to the HoTT library
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#
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# (1) create a file "port.txt", with a list of entries "foo:bar" (or "foo;bar"),
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# one per line
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# (2) put this script and port.txt in the same directory, and make sure
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# the script is executable.
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# (3) use "[path]/port.pl [path]/source [path]/target" to do the renaming.
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# On a Unix system, at least, you can use wildcards.
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#
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# -> You can write foo;bar to replace all occurrences,
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# even if they are a substring of a longer expression (useful for e.g. notation)
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#
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# Example: if you put rename.pl and port.txt in lean/library, then
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# from that directory type
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#
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# ./rename.pl data/nat/*.lean
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#
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# to do all the renamings in data/nat. Alternative, change to that directory,
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# and type
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#
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# ../../rename.pl *.lean
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#
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# Notes:
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#
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# We assume identifiers have only letters, numbers, _, or "'" or ".".
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#
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# See http://perldoc.perl.org/perlfaq5.html, "How can I use Perl's i option from
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# within a program?" for information on the method used to change a file in place.
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#
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# See also http://perldoc.perl.org/File/Find.html for information on how to write
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# a subroutine that will traverse a directory tree.
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#
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use strict;
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use warnings;
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use Cwd 'abs_path';
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use File::Basename;
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use File::Spec::Functions;
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use File::Copy;
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use feature 'unicode_strings';
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# the global list of renamings
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my %renamings = ();
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my %literalrenamings = ();
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my %literalrenamings2 = ();
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# get the list of renamings from the file
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sub get_renamings {
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if (scalar(@ARGV)%2==1) {die "ERROR: odd number of arguments provided"}
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%literalrenamings2 = @ARGV;
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my $fullname = catfile(dirname(abs_path($0)), "port.txt");
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open (my $renaming_file, "<", $fullname) or die $!;
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while (<$renaming_file>) {
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if (/([\w'.]+)[:]([\w'.]+)\n/) {
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$renamings{$1} = $2;
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} elsif (/(.+)[;](.+)\n/) {
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$literalrenamings{$1} = $2;
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}
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}
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close $renaming_file or die $!;
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}
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# print them out - for debugging
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sub show_renamings {
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foreach my $key (keys %renamings) {
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print $key, " => ", $renamings{$key}, "\n";
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}
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print "\n";
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foreach my $lkey (keys %literalrenamings2) {
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print $lkey, " -> ", $literalrenamings2{$lkey}, "\n";
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}
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foreach my $lkey (keys %literalrenamings) {
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print $lkey, " -> ", $literalrenamings{$lkey}, "\n";
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}
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}
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# rename all identifiers a file; original goes in file.orig
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sub rename_in_file {
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my $filename = shift;
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local($^I, @ARGV) = ('.orig', $filename);
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while (<>) {
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foreach my $lkey (keys %literalrenamings2) {
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# replace all instances of lkey
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if (/$lkey/) {print STDOUT "renamed ", $lkey, "\n"; }
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# else {print STDOUT "WARNING: didn't rename ", $lkey, " to ", $literalrenamings2{$lkey}, "\n";}
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s/$lkey/$literalrenamings2{$lkey}/g
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}
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foreach my $key (keys %renamings) {
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# replace instances of key, not preceeded by a letter, and not
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# followed by a letter, number, or '
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s/(?<![a-zA-z])$key(?![\w'])/$renamings{$key}/g;
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}
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foreach my $lkey (keys %literalrenamings) {
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# replace all instances of lkey
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s/$lkey/$literalrenamings{$lkey}/g;
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}
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print;
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}
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}
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my $oldfile = shift;
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my $newfile = shift;
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print "copying ", $oldfile, " to ",$newfile, ".\n";
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copy($oldfile,$newfile) or die "Copy failed: $!";
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get_renamings;
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# show_renamings;
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rename_in_file $newfile;
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unlink $newfile.".orig";
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