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-rw-r--r--gnu/usr.bin/perl/dist/Locale-Maketext/lib/Locale/Maketext.pm435
1 files changed, 43 insertions, 392 deletions
diff --git a/gnu/usr.bin/perl/dist/Locale-Maketext/lib/Locale/Maketext.pm b/gnu/usr.bin/perl/dist/Locale-Maketext/lib/Locale/Maketext.pm
index c2bd723e91b..1bfbbc9bba4 100644
--- a/gnu/usr.bin/perl/dist/Locale-Maketext/lib/Locale/Maketext.pm
+++ b/gnu/usr.bin/perl/dist/Locale-Maketext/lib/Locale/Maketext.pm
@@ -1,33 +1,16 @@
-
package Locale::Maketext;
use strict;
use vars qw( @ISA $VERSION $MATCH_SUPERS $USING_LANGUAGE_TAGS
$USE_LITERALS $MATCH_SUPERS_TIGHTLY);
use Carp ();
-use I18N::LangTags ();
-use I18N::LangTags::Detect ();
+use I18N::LangTags 0.30 ();
#--------------------------------------------------------------------------
BEGIN { unless(defined &DEBUG) { *DEBUG = sub () {0} } }
# define the constant 'DEBUG' at compile-time
-# turn on utf8 if we have it (this is what GutsLoader.pm used to do essentially )
-# use if (exists $INC{'utf8.pm'} || eval 'use utf8'), 'utf8';
-BEGIN {
-
- # if we have it || we can load it
- if ( exists $INC{'utf8.pm'} || eval { local $SIG{'__DIE__'};require utf8; } ) {
- utf8->import();
- DEBUG and warn " utf8 on for _compile()\n";
- }
- else {
- DEBUG and warn " utf8 not available for _compile() ($INC{'utf8.pm'})\n$@\n";
- }
-}
-
-
-$VERSION = '1.25';
+$VERSION = '1.14';
@ISA = ();
$MATCH_SUPERS = 1;
@@ -148,7 +131,8 @@ sub failure_handler_auto {
$handle->{'failure_lex'} ||= {};
my $lex = $handle->{'failure_lex'};
- my $value ||= ($lex->{$phrase} ||= $handle->_compile($phrase));
+ my $value;
+ $lex->{$phrase} ||= ($value = $handle->_compile($phrase));
# Dumbly copied from sub maketext:
return ${$value} if ref($value) eq 'SCALAR';
@@ -160,11 +144,12 @@ sub failure_handler_auto {
# If we make it here, there was an exception thrown in the
# call to $value, and so scream:
if($@) {
+ my $err = $@;
# pretty up the error message
- $@ =~ s{\s+at\s+\(eval\s+\d+\)\s+line\s+(\d+)\.?\n?}
+ $err =~ s{\s+at\s+\(eval\s+\d+\)\s+line\s+(\d+)\.?\n?}
{\n in bracket code [compiled line $1],}s;
#$err =~ s/\n?$/\n/s;
- Carp::croak "Error in maketexting \"$phrase\":\n$@ as used";
+ Carp::croak "Error in maketexting \"$phrase\":\n$err as used";
# Rather unexpected, but suppose that the sub tried calling
# a method that didn't exist.
}
@@ -194,54 +179,34 @@ sub maketext {
my($handle, $phrase) = splice(@_,0,2);
Carp::confess('No handle/phrase') unless (defined($handle) && defined($phrase));
- # backup $@ in case it's still being used in the calling code.
- # If no failures, we'll re-set it back to what it was later.
- my $at = $@;
- # Copy @_ case one of its elements is $@.
- @_ = @_;
+ # Don't interefere with $@ in case that's being interpolated into the msg.
+ local $@;
# Look up the value:
my $value;
- if (exists $handle->{'_external_lex_cache'}{$phrase}) {
- DEBUG and warn "* Using external lex cache version of \"$phrase\"\n";
- $value = $handle->{'_external_lex_cache'}{$phrase};
- }
- else {
- foreach my $h_r (
- @{ $isa_scan{ref($handle) || $handle} || $handle->_lex_refs }
- ) {
- DEBUG and warn "* Looking up \"$phrase\" in $h_r\n";
- if(exists $h_r->{$phrase}) {
- DEBUG and warn " Found \"$phrase\" in $h_r\n";
- unless(ref($value = $h_r->{$phrase})) {
- # Nonref means it's not yet compiled. Compile and replace.
- if ($handle->{'use_external_lex_cache'}) {
- $value = $handle->{'_external_lex_cache'}{$phrase} = $handle->_compile($value);
- }
- else {
- $value = $h_r->{$phrase} = $handle->_compile($value);
- }
- }
- last;
- }
- # extending packages need to be able to localize _AUTO and if readonly can't "local $h_r->{'_AUTO'} = 1;"
- # but they can "local $handle->{'_external_lex_cache'}{'_AUTO'} = 1;"
- elsif($phrase !~ m/^_/s and ($handle->{'use_external_lex_cache'} ? ( exists $handle->{'_external_lex_cache'}{'_AUTO'} ? $handle->{'_external_lex_cache'}{'_AUTO'} : $h_r->{'_AUTO'} ) : $h_r->{'_AUTO'})) {
- # it's an auto lex, and this is an autoable key!
- DEBUG and warn " Automaking \"$phrase\" into $h_r\n";
- if ($handle->{'use_external_lex_cache'}) {
- $value = $handle->{'_external_lex_cache'}{$phrase} = $handle->_compile($phrase);
- }
- else {
- $value = $h_r->{$phrase} = $handle->_compile($phrase);
- }
- last;
+ foreach my $h_r (
+ @{ $isa_scan{ref($handle) || $handle} || $handle->_lex_refs }
+ ) {
+ DEBUG and warn "* Looking up \"$phrase\" in $h_r\n";
+ if(exists $h_r->{$phrase}) {
+ DEBUG and warn " Found \"$phrase\" in $h_r\n";
+ unless(ref($value = $h_r->{$phrase})) {
+ # Nonref means it's not yet compiled. Compile and replace.
+ $value = $h_r->{$phrase} = $handle->_compile($value);
}
- DEBUG>1 and print " Not found in $h_r, nor automakable\n";
- # else keep looking
+ last;
+ }
+ elsif($phrase !~ m/^_/s and $h_r->{'_AUTO'}) {
+ # it's an auto lex, and this is an autoable key!
+ DEBUG and warn " Automaking \"$phrase\" into $h_r\n";
+
+ $value = $h_r->{$phrase} = $handle->_compile($phrase);
+ last;
}
+ DEBUG>1 and print " Not found in $h_r, nor automakable\n";
+ # else keep looking
}
unless(defined($value)) {
@@ -250,12 +215,10 @@ sub maketext {
DEBUG and warn "WARNING0: maketext fails looking for <$phrase>\n";
my $fail;
if(ref($fail = $handle->{'fail'}) eq 'CODE') { # it's a sub reference
- $@ = $at; # Put $@ back in case we altered it along the way.
return &{$fail}($handle, $phrase, @_);
# If it ever returns, it should return a good value.
}
else { # It's a method name
- $@ = $at; # Put $@ back in case we altered it along the way.
return $handle->$fail($phrase, @_);
# If it ever returns, it should return a good value.
}
@@ -266,14 +229,8 @@ sub maketext {
}
}
- if(ref($value) eq 'SCALAR'){
- $@ = $at; # Put $@ back in case we altered it along the way.
- return $$value ;
- }
- if(ref($value) ne 'CODE'){
- $@ = $at; # Put $@ back in case we altered it along the way.
- return $value ;
- }
+ return $$value if ref($value) eq 'SCALAR';
+ return $value unless ref($value) eq 'CODE';
{
local $SIG{'__DIE__'};
@@ -282,19 +239,18 @@ sub maketext {
# If we make it here, there was an exception thrown in the
# call to $value, and so scream:
if ($@) {
+ my $err = $@;
# pretty up the error message
- $@ =~ s{\s+at\s+\(eval\s+\d+\)\s+line\s+(\d+)\.?\n?}
+ $err =~ s{\s+at\s+\(eval\s+\d+\)\s+line\s+(\d+)\.?\n?}
{\n in bracket code [compiled line $1],}s;
#$err =~ s/\n?$/\n/s;
- Carp::croak "Error in maketexting \"$phrase\":\n$@ as used";
+ Carp::croak "Error in maketexting \"$phrase\":\n$err as used";
# Rather unexpected, but suppose that the sub tried calling
# a method that didn't exist.
}
else {
- $@ = $at; # Put $@ back in case we altered it along the way.
return $value;
}
- $@ = $at; # Put $@ back in case we altered it along the way.
}
###########################################################################
@@ -344,7 +300,7 @@ sub _langtag_munging {
my($base_class, @languages) = @_;
# We have all these DEBUG statements because otherwise it's hard as hell
- # to diagnose if/when something goes wrong.
+ # to diagnose ifwhen something goes wrong.
DEBUG and warn 'Lgs1: ', map("<$_>", @languages), "\n";
@@ -391,6 +347,7 @@ sub _langtag_munging {
###########################################################################
sub _ambient_langprefs {
+ require I18N::LangTags::Detect;
return I18N::LangTags::Detect::detect();
}
@@ -430,6 +387,10 @@ sub _add_supers {
#
###########################################################################
+use Locale::Maketext::GutsLoader;
+
+###########################################################################
+
my %tried = ();
# memoization of whether we've used this module, or found it unusable.
@@ -439,18 +400,16 @@ sub _try_use { # Basically a wrapper around "require Modulename"
my $module = $_[0]; # ASSUME sane module name!
{ no strict 'refs';
- no warnings 'once';
return($tried{$module} = 1)
if %{$module . '::Lexicon'} or @{$module . '::ISA'};
# weird case: we never use'd it, but there it is!
}
DEBUG and warn " About to use $module ...\n";
-
- local $SIG{'__DIE__'};
- local $@;
- eval "require $module"; # used to be "use $module", but no point in that.
-
+ {
+ local $SIG{'__DIE__'};
+ eval "require $module"; # used to be "use $module", but no point in that.
+ }
if($@) {
DEBUG and warn "Error using $module \: $@\n";
return $tried{$module} = 0;
@@ -494,312 +453,4 @@ sub _lex_refs { # report the lexicon references for this handle's class
sub clear_isa_scan { %isa_scan = (); return; } # end on a note of simplicity!
-#--------------------------------------------------------------------------
-
-sub _compile {
- # This big scary routine compiles an entry.
- # It returns either a coderef if there's brackety bits in this, or
- # otherwise a ref to a scalar.
-
- my $string_to_compile = $_[1]; # There are taint issues using regex on @_ - perlbug 60378,27344
-
- # The while() regex is more expensive than this check on strings that don't need a compile.
- # this op causes a ~2% speed hit for strings that need compile and a 250% speed improvement
- # on strings that don't need compiling.
- return \"$string_to_compile" if($string_to_compile !~ m/[\[~\]]/ms); # return a string ref if chars [~] are not in the string
-
- my $target = ref($_[0]) || $_[0];
-
- my(@code);
- my(@c) = (''); # "chunks" -- scratch.
- my $call_count = 0;
- my $big_pile = '';
- {
- my $in_group = 0; # start out outside a group
- my($m, @params); # scratch
-
- while($string_to_compile =~ # Iterate over chunks.
- m/(
- [^\~\[\]]+ # non-~[] stuff (Capture everything else here)
- |
- ~. # ~[, ~], ~~, ~other
- |
- \[ # [ presumably opening a group
- |
- \] # ] presumably closing a group
- |
- ~ # terminal ~ ?
- |
- $
- )/xgs
- ) {
- DEBUG>2 and warn qq{ "$1"\n};
-
- if($1 eq '[' or $1 eq '') { # "[" or end
- # Whether this is "[" or end, force processing of any
- # preceding literal.
- if($in_group) {
- if($1 eq '') {
- $target->_die_pointing($string_to_compile, 'Unterminated bracket group');
- }
- else {
- $target->_die_pointing($string_to_compile, 'You can\'t nest bracket groups');
- }
- }
- else {
- if ($1 eq '') {
- DEBUG>2 and warn " [end-string]\n";
- }
- else {
- $in_group = 1;
- }
- die "How come \@c is empty?? in <$string_to_compile>" unless @c; # sanity
- if(length $c[-1]) {
- # Now actually processing the preceding literal
- $big_pile .= $c[-1];
- if($USE_LITERALS and (
- (ord('A') == 65)
- ? $c[-1] !~ m/[^\x20-\x7E]/s
- # ASCII very safe chars
- : $c[-1] !~ m/[^ !"\#\$%&'()*+,\-.\/0-9:;<=>?\@A-Z[\\\]^_`a-z{|}~\x07]/s
- # EBCDIC very safe chars
- )) {
- # normal case -- all very safe chars
- $c[-1] =~ s/'/\\'/g;
- push @code, q{ '} . $c[-1] . "',\n";
- $c[-1] = ''; # reuse this slot
- }
- else {
- $c[-1] =~ s/\\\\/\\/g;
- push @code, ' $c[' . $#c . "],\n";
- push @c, ''; # new chunk
- }
- }
- # else just ignore the empty string.
- }
-
- }
- elsif($1 eq ']') { # "]"
- # close group -- go back in-band
- if($in_group) {
- $in_group = 0;
-
- DEBUG>2 and warn " --Closing group [$c[-1]]\n";
-
- # And now process the group...
-
- if(!length($c[-1]) or $c[-1] =~ m/^\s+$/s) {
- DEBUG>2 and warn " -- (Ignoring)\n";
- $c[-1] = ''; # reset out chink
- next;
- }
-
- #$c[-1] =~ s/^\s+//s;
- #$c[-1] =~ s/\s+$//s;
- ($m,@params) = split(/,/, $c[-1], -1); # was /\s*,\s*/
-
- # A bit of a hack -- we've turned "~,"'s into DELs, so turn
- # 'em into real commas here.
- if (ord('A') == 65) { # ASCII, etc
- foreach($m, @params) { tr/\x7F/,/ }
- }
- else { # EBCDIC (1047, 0037, POSIX-BC)
- # Thanks to Peter Prymmer for the EBCDIC handling
- foreach($m, @params) { tr/\x07/,/ }
- }
-
- # Special-case handling of some method names:
- if($m eq '_*' or $m =~ m/^_(-?\d+)$/s) {
- # Treat [_1,...] as [,_1,...], etc.
- unshift @params, $m;
- $m = '';
- }
- elsif($m eq '*') {
- $m = 'quant'; # "*" for "times": "4 cars" is 4 times "cars"
- }
- elsif($m eq '#') {
- $m = 'numf'; # "#" for "number": [#,_1] for "the number _1"
- }
-
- # Most common case: a simple, legal-looking method name
- if($m eq '') {
- # 0-length method name means to just interpolate:
- push @code, ' (';
- }
- elsif($m =~ /^\w+$/s
- # exclude anything fancy, especially fully-qualified module names
- ) {
- push @code, ' $_[0]->' . $m . '(';
- }
- else {
- # TODO: implement something? or just too icky to consider?
- $target->_die_pointing(
- $string_to_compile,
- "Can't use \"$m\" as a method name in bracket group",
- 2 + length($c[-1])
- );
- }
-
- pop @c; # we don't need that chunk anymore
- ++$call_count;
-
- foreach my $p (@params) {
- if($p eq '_*') {
- # Meaning: all parameters except $_[0]
- $code[-1] .= ' @_[1 .. $#_], ';
- # and yes, that does the right thing for all @_ < 3
- }
- elsif($p =~ m/^_(-?\d+)$/s) {
- # _3 meaning $_[3]
- $code[-1] .= '$_[' . (0 + $1) . '], ';
- }
- elsif($USE_LITERALS and (
- (ord('A') == 65)
- ? $p !~ m/[^\x20-\x7E]/s
- # ASCII very safe chars
- : $p !~ m/[^ !"\#\$%&'()*+,\-.\/0-9:;<=>?\@A-Z[\\\]^_`a-z{|}~\x07]/s
- # EBCDIC very safe chars
- )) {
- # Normal case: a literal containing only safe characters
- $p =~ s/'/\\'/g;
- $code[-1] .= q{'} . $p . q{', };
- }
- else {
- # Stow it on the chunk-stack, and just refer to that.
- push @c, $p;
- push @code, ' $c[' . $#c . '], ';
- }
- }
- $code[-1] .= "),\n";
-
- push @c, '';
- }
- else {
- $target->_die_pointing($string_to_compile, q{Unbalanced ']'});
- }
-
- }
- elsif(substr($1,0,1) ne '~') {
- # it's stuff not containing "~" or "[" or "]"
- # i.e., a literal blob
- my $text = $1;
- $text =~ s/\\/\\\\/g;
- $c[-1] .= $text;
-
- }
- elsif($1 eq '~~') { # "~~"
- $c[-1] .= '~';
-
- }
- elsif($1 eq '~[') { # "~["
- $c[-1] .= '[';
-
- }
- elsif($1 eq '~]') { # "~]"
- $c[-1] .= ']';
-
- }
- elsif($1 eq '~,') { # "~,"
- if($in_group) {
- # This is a hack, based on the assumption that no-one will actually
- # want a DEL inside a bracket group. Let's hope that's it's true.
- if (ord('A') == 65) { # ASCII etc
- $c[-1] .= "\x7F";
- }
- else { # EBCDIC (cp 1047, 0037, POSIX-BC)
- $c[-1] .= "\x07";
- }
- }
- else {
- $c[-1] .= '~,';
- }
-
- }
- elsif($1 eq '~') { # possible only at string-end, it seems.
- $c[-1] .= '~';
-
- }
- else {
- # It's a "~X" where X is not a special character.
- # Consider it a literal ~ and X.
- my $text = $1;
- $text =~ s/\\/\\\\/g;
- $c[-1] .= $text;
- }
- }
- }
-
- if($call_count) {
- undef $big_pile; # Well, nevermind that.
- }
- else {
- # It's all literals! Ahwell, that can happen.
- # So don't bother with the eval. Return a SCALAR reference.
- return \$big_pile;
- }
-
- die q{Last chunk isn't null??} if @c and length $c[-1]; # sanity
- DEBUG and warn scalar(@c), " chunks under closure\n";
- if(@code == 0) { # not possible?
- DEBUG and warn "Empty code\n";
- return \'';
- }
- elsif(@code > 1) { # most cases, presumably!
- unshift @code, "join '',\n";
- }
- unshift @code, "use strict; sub {\n";
- push @code, "}\n";
-
- DEBUG and warn @code;
- my $sub = eval(join '', @code);
- die "$@ while evalling" . join('', @code) if $@; # Should be impossible.
- return $sub;
-}
-
-#--------------------------------------------------------------------------
-
-sub _die_pointing {
- # This is used by _compile to throw a fatal error
- my $target = shift; # class name
- # ...leaving $_[0] the error-causing text, and $_[1] the error message
-
- my $i = index($_[0], "\n");
-
- my $pointy;
- my $pos = pos($_[0]) - (defined($_[2]) ? $_[2] : 0) - 1;
- if($pos < 1) {
- $pointy = "^=== near there\n";
- }
- else { # we need to space over
- my $first_tab = index($_[0], "\t");
- if($pos > 2 and ( -1 == $first_tab or $first_tab > pos($_[0]))) {
- # No tabs, or the first tab is harmlessly after where we will point to,
- # AND we're far enough from the margin that we can draw a proper arrow.
- $pointy = ('=' x $pos) . "^ near there\n";
- }
- else {
- # tabs screw everything up!
- $pointy = substr($_[0],0,$pos);
- $pointy =~ tr/\t //cd;
- # make everything into whitespace, but preserving tabs
- $pointy .= "^=== near there\n";
- }
- }
-
- my $errmsg = "$_[1], in\:\n$_[0]";
-
- if($i == -1) {
- # No newline.
- $errmsg .= "\n" . $pointy;
- }
- elsif($i == (length($_[0]) - 1) ) {
- # Already has a newline at end.
- $errmsg .= $pointy;
- }
- else {
- # don't bother with the pointy bit, I guess.
- }
- Carp::croak( "$errmsg via $target, as used" );
-}
-
1;