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Internals.pm6
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Internals.pm6
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my class DateTime { ... }
my role IO { ... }
my class IO::Handle { ... }
my class IO::Path { ... }
my class Rakudo::Metaops { ... }
my class List::Reifier { ... }
my class X::Assignment::ToShaped { ... }
my class X::Cannot::Lazy { ... }
my class X::IllegalDimensionInShape { ... }
my class X::IllegalOnFixedDimensionArray { ... }
my class X::Localizer::NoContainer { ... }
my class X::Str::Sprintf::Directives::BadType { ... }
my class X::Str::Sprintf::Directives::Count { ... }
my class X::Str::Sprintf::Directives::Unsupported { ... }
my class X::TypeCheck { ... }
# Marker symbol for 6.c-mode regex boolification.
my class Rakudo::Internals::RegexBoolification6cMarker { }
my class Rakudo::Internals {
method SLICE_HUH(\object, @nogo, %d, %adv) {
@nogo.unshift('delete') # recover any :delete if necessary
if @nogo && @nogo[0] ne 'delete' && %adv.EXISTS-KEY('delete');
for <delete exists kv p k v> -> $valid { # check all valid params
if nqp::existskey(%d,nqp::unbox_s($valid)) {
nqp::deletekey(%d,nqp::unbox_s($valid));
@nogo.push($valid);
}
}
Failure.new(X::Adverb.new(
:what<slice>,
:source(try { object.VAR.name } // object.^name),
:unexpected(%d.keys),
:nogo(@nogo),
))
}
# for use in nqp::splice
my $empty := nqp::list;
our class CompilerServices {
has Mu $!compiler;
has Mu $!current-match;
method generate_accessor(str $name, Mu \package_type, str $attr_name, Mu \type, int $rw) {
$!compiler.generate_accessor(
$!current-match, $name, package_type, $attr_name, type, $rw);
}
method generate_buildplan_executor(Mu \obj, Mu \buildplan) {
$!compiler.generate_buildplan_executor(
$!current-match, obj, buildplan)
}
}
# Marker symbol for lexicals that we have lowered away.
class LoweredAwayLexical {
method dynamic() { False }
}
method RANGE-AS-ints ($range, $exception) {
# Convert a Range to min/max values that can fit into an `int`
# Treats values smaller than int.Range.min as int.Range.min
# Treats values larger than int.Range.max as int.Range.max
# Throws $exception for non-Numeric ranges or ranges with any NaN endpoints
# If $exception is a Str, calls `die $exception`
my $min := $range.min;
my $max := $range.max;
nqp::unless(
nqp::istype($min, Numeric) && nqp::isfalse($min.isNaN)
&& nqp::istype($max, Numeric) && nqp::isfalse($max.isNaN),
nqp::if(nqp::istype($exception, Str), die($exception), $exception.throw));
# Get rid of Infs
$min := Int($min + $range.excludes-min) // -2**63;
$max := Int($max - $range.excludes-max) // 2**63-1;
# we have isbig_I, but it tells whether the value is above max int32 value
nqp::if( nqp::islt_I(nqp::decont($min), -2**63),
$min = -2**63);
nqp::if( nqp::isgt_I(nqp::decont($max), 2**63-1),
$max = 2**63-1);
($min, $max);
}
method GistList2list_s(List:D \list) {
my \values := nqp::getattr(list,List,'$!reified');
my \parts := nqp::list_s;
nqp::while(
nqp::elems(values),
nqp::push_s(parts,nqp::shift(values).gist)
);
parts
}
method StrList2list_s(List:D \list) {
my \values := nqp::getattr(list,List,'$!reified');
my \parts := nqp::list_s;
nqp::while(
nqp::elems(values),
nqp::push_s(parts,nqp::shift(values).Str)
);
parts
}
method SET_LEADING_DOCS($obj, $docs) {
my $current_why := $obj.WHY;
if $current_why {
my $end := nqp::elems($*POD_BLOCKS) - 1;
my $i := $end;
while $i >= 0 {
if $docs === nqp::atpos($*POD_BLOCKS, $i) {
nqp::splice($*POD_BLOCKS, $empty, $i, 1);
last;
}
$i := $i - 1;
}
$current_why._add_leading(~$docs);
} else {
$obj.set_why($docs);
}
}
method SET_TRAILING_DOCS($obj, $docs) {
my $current_why := $obj.WHY;
if $current_why {
$current_why._add_trailing(~$docs);
} else {
$obj.set_why($docs);
$*POD_BLOCKS.push($docs);
}
}
method EXPORT_SYMBOL(\exp_name, @tags, Mu \sym) {
my @export_packages = $*EXPORT;
for nqp::hllize(@*PACKAGES).list {
unless .WHO.EXISTS-KEY('EXPORT') {
.WHO<EXPORT> := Metamodel::PackageHOW.new_type(:name('EXPORT'));
.WHO<EXPORT>.^compose;
}
@export_packages.append: .WHO<EXPORT>;
}
for @export_packages -> $p {
for @tags -> $tag {
my $install_in;
if $p.WHO.EXISTS-KEY($tag) {
$install_in := $p.WHO.{$tag};
}
else {
$install_in := Metamodel::PackageHOW.new_type(:name($tag));
$install_in.^compose;
$p.WHO{$tag} := $install_in;
}
if $install_in.WHO.EXISTS-KEY(exp_name) {
unless ($install_in.WHO){exp_name} =:= sym {
X::Export::NameClash.new(symbol => exp_name).throw;
}
}
$install_in.WHO{exp_name} := sym;
}
}
0;
}
method createENV() {
my $hash := nqp::hash;
my $iter := nqp::iterator(nqp::getenvhash);
nqp::while(
$iter,
nqp::bindkey(
$hash,
nqp::iterkey_s(nqp::shift($iter)),
nqp::assign(
nqp::p6scalarfromdesc(nqp::null),
val(nqp::box_s(nqp::iterval($iter),Str))
)
)
);
$hash
}
# Helper method for prefix:<let>/prefix:<temp>, which really do the same
# thing apart from where they store data. Takes the IterationBuffer in
# which to save data, the container to be inspected, and the type of op
# for any error messaging.
method TEMP-LET(\restore, \cont, str $localizer) is raw {
my int $i = nqp::elems(restore);
nqp::while(
nqp::isgt_i($i,0),
nqp::if(
nqp::eqaddr(nqp::atpos(restore,($i = nqp::sub_i($i,2))),cont),
(return-rw cont)
)
);
nqp::if(
nqp::istype(cont,Failure),
cont.exception.throw,
nqp::stmts(
nqp::push(restore,cont),
nqp::if(
nqp::iscont(cont),
nqp::push(restore,nqp::decont(cont)),
nqp::if(
nqp::istype(cont,Array),
nqp::push(restore,cont.clone),
nqp::if(
nqp::istype(cont,Hash),
nqp::push(restore,
nqp::p6bindattrinvres(
Hash.^parameterize(Mu,Mu).new,
Hash, '$!descriptor',
nqp::getattr(cont, Hash, '$!descriptor')).STORE: cont),
nqp::stmts(
nqp::pop(restore), # lose the erroneously pushed value
X::Localizer::NoContainer.new(:$localizer).throw
)
)
)
)
)
);
cont
}
# fast whitespace trim: str to trim, str to store trimmed str
method !TRIM(\string, \trimmed --> Nil) {
my int $pos = nqp::chars(string) - 1;
my int $left =
nqp::findnotcclass(nqp::const::CCLASS_WHITESPACE, string, 0, $pos + 1);
$pos = $pos - 1
while nqp::isge_i($pos, $left)
&& nqp::iscclass(nqp::const::CCLASS_WHITESPACE, string, $pos);
trimmed = nqp::islt_i($pos, $left)
?? ''
!! nqp::substr(string, $left, $pos + 1 - $left);
Nil
}
# fast key:value split: Str to split, str to store key, str to store value
method KEY_COLON_VALUE(Str $command, \key, \value --> Nil) {
my str $str = nqp::unbox_s($command);
my int $index = nqp::index($str,':');
if nqp::isgt_i($index,0) {
self!TRIM(nqp::substr($str,0,$index),key);
self!TRIM(nqp::substr($str,$index + 1,nqp::chars($str) - $index),value);
}
elsif nqp::islt_i($index,0) {
self!TRIM($str,key);
value = '';
}
else {
key = '';
self!TRIM(nqp::substr($str,1,nqp::chars($str) - 1),value);
}
Nil
}
# key space value split: Str to split, str to store key, str to store value
method KEY_SPACE_VALUE(Str $command, \key, \value --> Nil) {
my str $str = nqp::unbox_s($command);
my int $index = nqp::index($str,' ');
if nqp::isgt_i($index,0) {
key = nqp::substr($str,0,$index);
value = nqp::substr($str,$index + 1,nqp::chars($str) - $index);
}
elsif nqp::islt_i($index,0) {
key = $str;
value = '';
}
else {
key = '';
value = nqp::substr($str,1,nqp::chars($str) - 1);
}
Nil
}
# Fast mapping for identicals
### If updating encodings here, also update src/core.c/Encoding/Registry.pm6
#?if moar
my constant $encodings = nqp::hash(
#?endif
#?if !moar
my $encodings := nqp::hash(
#?endif
# utf8
'utf8', 'utf8',
'utf-8', 'utf8',
# utf8-c8
'utf8-c8', 'utf8-c8',
'utf8c8', 'utf8-c8',
'utf-8-c8', 'utf8-c8',
# utf16
'utf16', 'utf16',
'utf-16', 'utf16',
# utf16le
'utf16le', 'utf16le',
'utf-16le', 'utf16le',
'utf16-le', 'utf16le',
'utf-16-le', 'utf16le',
# utf16be
'utf16be', 'utf16be',
'utf-16be', 'utf16be',
'utf16-be', 'utf16be',
'utf-16-be', 'utf16be',
# utf32
'utf32', 'utf32',
'utf-32', 'utf32',
# ascii
'ascii', 'ascii',
# iso-8859-1 according to http://de.wikipedia.org/wiki/ISO-8859-1
'iso-8859-1', 'iso-8859-1',
'iso_8859-1:1987', 'iso-8859-1',
'iso_8859-1', 'iso-8859-1',
'iso-ir-100', 'iso-8859-1',
'latin1', 'iso-8859-1',
'latin-1', 'iso-8859-1',
'csisolatin1', 'iso-8859-1',
'l1', 'iso-8859-1',
'ibm819', 'iso-8859-1',
'cp819', 'iso-8859-1',
# windows-1251
'windows-1251', 'windows-1251',
'windows1251', 'windows-1251',
# windows-1252
'windows-1252', 'windows-1252',
'windows1252', 'windows-1252',
# ShiftJIS
'windows-932', 'windows-932',
'windows932', 'windows-932',
# GB2312
'gb2312', 'gb2312',
# GB18030
'gb18030', 'gb18030',
);
method NORMALIZE_ENCODING(\encoding) {
nqp::if(
nqp::isconcrete(encoding),
nqp::ifnull(
nqp::atkey($encodings,encoding),
nqp::ifnull(
nqp::atkey($encodings,nqp::lc(encoding)),
nqp::lc(encoding)
)
),
'utf8'
)
}
# 1 if all elements of given type, otherwise 0
method ALL_TYPE(\values,\type) {
nqp::if(
(my int $elems = values.elems), # reifies
nqp::stmts(
(my $values := nqp::getattr(values,List,'$!reified')),
(my int $i = -1),
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::istype(nqp::atpos($values,$i),type),
nqp::null
),
nqp::iseq_i($i,$elems)
)
)
}
# 1 if all elems defined && type, otherwise 0
method ALL_DEFINED_TYPE(\values,\type) {
nqp::if(
(my int $elems = values.elems), # reifies
nqp::stmts(
(my $values := nqp::getattr(values,List,'$!reified')),
(my int $i = -1),
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::istype(nqp::atpos($values,$i),type)
&& nqp::defined(nqp::atpos($values,$i)),
nqp::null
),
nqp::iseq_i($i,$elems)
)
)
}
# 1 if any element of defined && type, otherwise 0
method ANY_DEFINED_TYPE(\values,\type) {
nqp::if(
(my int $elems = values.elems), # reifies
nqp::stmts(
(my $values := nqp::getattr(values,List,'$!reified')),
(my int $i = -1),
nqp::until(
nqp::iseq_i(($i = nqp::add_i($i,1)),$elems)
|| (nqp::istype(nqp::atpos($values,$i),type)
&& nqp::defined(nqp::atpos($values,$i))),
nqp::null
),
nqp::isne_i($i,$elems)
)
)
}
method TRANSPOSE(Str:D $string, Str:D $original, Str:D $final) {
nqp::join($final,nqp::split($original,$string))
}
method TRANSPOSE-ONE(Str:D $string, Str:D $original, Str:D $final) {
nqp::iseq_i((my int $index = nqp::index($string, $original)), -1)
?? $string
!! nqp::concat(
nqp::substr($string,0,$index),
nqp::concat(
$final,
nqp::substr($string,nqp::add_i($index,nqp::chars($original)))
)
)
}
my constant \SHAPE-STORAGE-ROOT := do {
my Mu $root := nqp::newtype(nqp::knowhow(), 'Uninstantiable');
nqp::setdebugtypename($root, 'MultiDimArray root');
nqp::setparameterizer($root, -> $, $key {
# We "steal" the meta-object for the multi-dim storage.
my $dims := $key.elems.pred;
my $meta := $key.AT-POS(0);
my $type := $key.AT-POS(1);
my $dim_type := nqp::newtype($meta, 'MultiDimArray');
nqp::composetype($dim_type, nqp::hash('array',
nqp::hash('dimensions', $dims, 'type', $type)));
nqp::settypehll($dim_type, 'Raku');
# Make sure the debug name and various caches are propagated
# for native arrays (where this type is exposed to userspace).
if nqp::objprimspec($type) {
nqp::setdebugtypename($dim_type, $meta.name($dim_type));
$meta.publish_method_cache($dim_type);
$meta.publish_type_cache($dim_type);
}
$dim_type
});
nqp::settypehll($root, 'Raku');
$root
}
method SHAPED-ARRAY-STORAGE(\spec, Mu \meta-obj, Mu \type) {
my $types := nqp::list(meta-obj); # meta + type of each dimension
my $dims := nqp::list_i; # elems per dimension
nqp::if(
nqp::istype(spec,List),
nqp::stmts( # potentially more than 1 dim
(my $spec := nqp::getattr(nqp::decont(spec),List,'$!reified')),
(my int $elems = nqp::elems($spec)),
(my int $i = -1),
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems),
nqp::if(
nqp::istype((my $dim := nqp::atpos($spec,$i)),Whatever),
X::NYI.new(feature => 'Jagged array shapes').throw,
nqp::if(
nqp::istype(($dim := nqp::decont($dim.Int)),Failure),
$dim.throw,
nqp::if(
nqp::isbig_I($dim) || nqp::isle_i($dim,0),
X::IllegalDimensionInShape.new(:$dim).throw,
nqp::stmts(
nqp::push($types,type),
nqp::push_i($dims,$dim)
)
)
)
)
)
),
nqp::stmts( # only 1 dim
nqp::push($types,type),
nqp::push_i($dims,spec.Int)
)
);
nqp::setdimensions(
nqp::create(nqp::parameterizetype(SHAPE-STORAGE-ROOT,$types)),
$dims
)
}
our role ImplementationDetail {
method new(|) { die self.gist }
method gist(--> Str:D) {
"The '{self.^name}' class is a Rakudo-specific
implementation detail and has no serviceable parts inside"
}
method Str( --> Str:D) { self.gist }
method raku(--> Str:D) { self.gist }
}
our role ShapedArrayCommon {
method !illegal($operation) {
X::IllegalOnFixedDimensionArray.new(:$operation).throw
}
proto method pop(::?CLASS:D: |) { self!illegal("pop") }
proto method shift(::?CLASS:D: |) { self!illegal("shift") }
proto method splice(::?CLASS:D: |) { self!illegal("splice") }
proto method push(|c) is nodal {
self.DEFINITE ?? self!illegal("push") !! self.Any::push(|c)
}
proto method append(|c) is nodal {
self.DEFINITE ?? self!illegal("append") !! self.Any::append(|c)
}
proto method unshift(|c) is nodal {
self.DEFINITE ?? self!illegal("unshift") !! self.Any::unshift(|c)
}
proto method prepend(|c) is nodal {
self.DEFINITE ?? self!illegal("prepend") !! self.Any::prepend(|c)
}
proto method STORE(::?CLASS:D: |) {*}
multi method STORE(::?CLASS:D: Slip:D \slip) {
nqp::eqaddr(slip,Empty)
?? X::AdHoc.new( payload => "Cannot Empty a shaped array as its size is fixed").throw
!! self.STORE(slip.List)
}
# illegal unless overridden for 1dimmed case
method reverse(::?CLASS:D: |) { self!illegal("reverse") }
method rotate(::?CLASS:D: |) { self!illegal("rotate") }
multi method values(::?CLASS:D:) { Seq.new(self.iterator) }
multi method keys(::?CLASS:D:) {
Seq.new(Rakudo::Iterator.ShapeIndex(self.shape))
}
multi method invert(::?CLASS:D:) {
Seq.new(Rakudo::Iterator.Invert(self.pairs.iterator))
}
# These work on the flat view
method roll(|c) { self.flat.roll(|c) }
method pick(|c) { self.flat.pick(|c) }
method permutations(|c) { self.flat.permutations(|c) }
method combinations(|c) { self.flat.combinations(|c) }
method join(|c) { self.flat.join(|c) }
method sort(|c) { self.flat.sort(|c) }
multi method gist(::?CLASS:D:) {
self.gistseen('Array', { self!gist(nqp::create(Array),self.shape) })
}
method !gist(@path, @dims) {
if @dims.elems == 1 {
'[' ~ (^@dims[0]).map(
-> $elem {
given ++$ {
when 11 { '...' }
when 12 { last }
default { self.AT-POS(|@path, $elem).gist }
}
}
).join(' ') ~ ']';
} else {
my @nextdims = @dims[1..^@dims.elems];
'[' ~ (^@dims[0]).map(
-> $elem {
given ++$ {
when 11 { '...' }
when 12 { last }
default { self!gist((flat @path, $elem), @nextdims) }
}
}
).join("\n" ~ (' ' x @path.elems + 1)) ~ ']';
}
}
multi method raku(::?CLASS:D \SELF:) {
SELF.rakuseen('Array', {
self.^name
~ '.new(:shape'
~ nqp::decont(self.shape).raku
~ ', '
~ self!perl(nqp::create(Array), self.shape)
~ ')'
~ (nqp::iscont(SELF) ?? '.item' !! '')
})
}
method !perl(@path, @dims) {
if @dims.elems == 1 {
'[' ~
(^@dims[0]).map({ nqp::decont(self.AT-POS(|@path, $_)).raku }).join(', ') ~
',' x (@dims[0] == 1 && nqp::istype(self.AT-POS(|@path, 0), Iterable)) ~
']'
}
else {
my @nextdims = @dims[1..^@dims.elems];
'[' x (@path.elems > 0) ~
(^@dims[0]).map({ self!perl((flat @path, $_), @nextdims) }).join(', ') ~
',' x (@dims[0] == 1) ~
']' x (@path.elems > 0)
}
}
multi method Slip() {
Slip.from-iterator(self.iterator)
}
proto method AT-POS(|) is raw {*}
multi method AT-POS(::?CLASS:U: |c) is raw {
self.Any::AT-POS(|c)
}
multi method AT-POS(::?CLASS:D:) is raw {
die "Must specify at least one index with {self.^name}.AT-POS"
}
proto method ASSIGN-POS(|) {*}
multi method ASSIGN-POS(::?CLASS:U: |c) {
self.Any::ASSIGN-POS(|c)
}
multi method ASSIGN-POS(::?CLASS:D:) {
die "Must specify at least one index and a value with {self.^name}.ASSIGN-POS"
}
multi method ASSIGN-POS(::?CLASS:D: $) {
die "Must specify at least one index and a value with {self.^name}.ASSIGN-POS"
}
proto method EXISTS-POS(|) {*}
multi method EXISTS-POS(::?CLASS:U: |c) {
self.Any::EXISTS-POS(|c)
}
multi method EXISTS-POS(::?CLASS:D:) {
die "Must specify at least one index with {self.^name}.EXISTS-POS"
}
}
our class SupplySequencer {
has &!on-data-ready;
has &!on-completed;
has &!on-error;
has $!buffer;
has int $!buffer-start-seq;
has int $!done-target;
has int $!bust;
has $!lock;
submethod BUILD(
:&!on-data-ready!, :&!on-completed!, :&!on-error! --> Nil) {
$!buffer := nqp::list();
$!buffer-start-seq = 0;
$!done-target = -1;
$!bust = 0;
$!lock := Lock::Async.new;
}
method process(Mu \seq, Mu \data, Mu \err) {
$!lock.protect: {
if err {
&!on-error(err);
$!bust = 1;
}
elsif nqp::isconcrete(data) {
my int $insert-pos = seq - $!buffer-start-seq;
nqp::bindpos($!buffer, $insert-pos, data);
self!emit-events();
}
else {
$!done-target = seq;
self!emit-events();
}
}
}
method !emit-events() {
unless $!bust {
until nqp::elems($!buffer) == 0 || nqp::isnull(nqp::atpos($!buffer, 0)) {
&!on-data-ready(nqp::shift($!buffer));
$!buffer-start-seq = $!buffer-start-seq + 1;
}
if $!buffer-start-seq == $!done-target {
&!on-completed();
}
}
}
}
my int $sprintfHandlerInitialized = 0;
method initialize-sprintf-handler(--> Nil) {
class SprintfHandler {
method mine($x) { nqp::reprname($x) eq "P6opaque"; }
proto method int(|) {*}
multi method int(Mu:D \n) { n.Int }
multi method int(Mu:U \n) { n.Numeric.Int }
proto method float(|) {*}
multi method float(Numeric:D \n) { n }
multi method float(Mu \n) { n.Numeric }
}
unless $sprintfHandlerInitialized {
nqp::sprintfaddargumenthandler(SprintfHandler.new);
$sprintfHandlerInitialized = 1;
}
}
method MAYBE-STRING(Mu \thing, Str:D :$method = 'gist' --> Str:D) {
my Mu \decont = nqp::decont(thing);
nqp::can(decont, nqp::decont_s($method))
?? decont."$method"()
!! nqp::can(decont.HOW, 'name')
?? decont.^name
!! '?'
}
method SHORT-STRING(Mu \thing, Str:D :$method = 'gist' --> Str:D) {
my str $str = nqp::unbox_s(self.MAYBE-STRING: thing, :$method);
nqp::isgt_i(nqp::chars($str),23)
?? nqp::p6box_s(nqp::concat(nqp::substr($str, 0, 20), '...'))
!! nqp::p6box_s($str)
}
my $IS-WIN = do {
my str $os = Rakudo::Internals.TRANSPOSE(nqp::lc(
#?if jvm
nqp::atkey(nqp::jvmgetproperties,'os.name')
#?endif
#?if !jvm
nqp::atkey(nqp::backendconfig,'osname')
#?endif
)," ","");
nqp::hllbool(
nqp::iseq_s($os,'mswin32')
|| nqp::iseq_s($os,'mingw')
|| nqp::iseq_s($os,'msys')
|| nqp::iseq_s($os,'cygwin')
)
}
method IS-WIN() { $IS-WIN }
method NUMERIC-ENV-KEY(\key) {
%*ENV.EXISTS-KEY(key)
?? %*ENV.AT-KEY(key)
?? +%*ENV.AT-KEY(key)
!! 0
!! Nil
}
method error-rcgye() { # red clear green yellow eject
self.NUMERIC-ENV-KEY("RAKUDO_ERROR_COLOR") // !self.IS-WIN
?? ("\e[31m", "\e[0m", "\e[32m", "\e[33m", "\x[23CF]")
!! ("", "", "", "", "<HERE>");
}
my num $init-time-num = nqp::time_n;
method INITTIME() is raw { $init-time-num }
#?if moar
my $init-thread := nqp::currentthread();
method INITTHREAD() { $init-thread }
#?endif
# easy access to compile options
my Mu $compiling-options := nqp::ifnull( # cannot be lazy
nqp::atkey(nqp::getlexdyn('%*COMPILING'),'%?OPTIONS'),
nqp::hash
);
my $LL-EXCEPTION := my $PROFILE := my $OPTIMIZE :=
my $STAGESTATS := my $INCLUDE := nqp::null;
# running with --ll-exception
method LL-EXCEPTION() {
nqp::ifnull(
$LL-EXCEPTION,
$LL-EXCEPTION := nqp::if(
nqp::existskey($compiling-options,'ll-exception'),
'--ll-exception',
Empty
)
)
}
# running with --profile
method PROFILE() {
nqp::ifnull(
$PROFILE,
$PROFILE := nqp::if(
nqp::existskey($compiling-options,'profile'),
'--profile',
Empty
)
)
}
# running with --optimize=X
method OPTIMIZE() {
nqp::ifnull(
$OPTIMIZE,
$OPTIMIZE := nqp::if(
nqp::existskey($compiling-options,'optimize'),
nqp::concat('--optimize=',nqp::atkey($compiling-options,'optimize')),
Empty
)
)
}
# running with --stagestats
method STAGESTATS() {
nqp::ifnull(
$STAGESTATS,
$STAGESTATS := nqp::if(
nqp::existskey($compiling-options,'stagestats'),
'--stagestats',
Empty
)
)
}
# whatever specified with -I
method INCLUDE() {
nqp::ifnull(
$INCLUDE,
$INCLUDE := nqp::p6bindattrinvres(
nqp::create(List),List,'$!reified',
nqp::if(
nqp::existskey($compiling-options,'I'),
nqp::stmts(
(my $I := nqp::atkey($compiling-options,'I')),
nqp::if(nqp::islist($I),$I,nqp::list($I))
),
nqp::list
)
)
)
}
#?if moar
method PRECOMP-EXT(--> "moarvm") { }
method PRECOMP-TARGET(--> "mbc") { }
#?endif
#?if jvm
method PRECOMP-EXT( --> "jar") { }
method PRECOMP-TARGET(--> "jar") { }
#?endif
#?if js
method PRECOMP-EXT( --> "js") { }
method PRECOMP-TARGET(--> "js") { }
#?endif
# Keep track of the differences between TAI and UTC for internal use.
# The "BEGIN" and "END" comments are for tools/add-leap-second.raku.
#
# Some handy tables:
# http://tf.nist.gov/pubs/bulletin/leapsecond.htm
# http://hpiers.obspm.fr/eop-pc/earthor/utc/TAI-UTC_tab.html
my int constant $initial-offset = 10;
# TAI - UTC at the Unix epoch (1970-01-01T00:00:00Z).
#?if !js
my constant $dates = nqp::list_s(
#?endif
#?if js
my $dates := nqp::list_s(
#?endif
#BEGIN leap-second-dates
'1972-06-30',
'1972-12-31',
'1973-12-31',
'1974-12-31',
'1975-12-31',
'1976-12-31',
'1977-12-31',
'1978-12-31',
'1979-12-31',
'1981-06-30',
'1982-06-30',
'1983-06-30',
'1985-06-30',
'1987-12-31',
'1989-12-31',
'1990-12-31',
'1992-06-30',
'1993-06-30',
'1994-06-30',
'1995-12-31',
'1997-06-30',
'1998-12-31',
'2005-12-31',
'2008-12-31',
'2012-06-30',
'2015-06-30',
'2016-12-31',
#END leap-second-dates
);
# our %leap-seconds =
# @leap-second-dates Z=> $initial-offset + 1 .. *;
# So for any date $d in @leap-second-dates, $d 23:59:00 UTC
# is the leap second that made (or will make) UTC
# %leap-seconds{$d} seconds behind TAI.
# Ambiguous POSIX times.
#?if !js
my constant $posixes = nqp::list_i(
#?endif
#?if js
my $posixes := nqp::list_i(
#?endif
#BEGIN leap-second-posix
78796800,
94694400,
126230400,
157766400,
189302400,
220924800,
252460800,
283996800,
315532800,
362793600,
394329600,
425865600,
489024000,
567993600,
631152000,
662688000,
709948800,
741484800,
773020800,
820454400,
867715200,
915148800,
1136073600,
1230768000,
1341100800,
1435708800,
1483228800,
#END leap-second-posix
);
#?if !js
my int constant $elems = nqp::elems($dates);
#?endif
#?if js
my int $elems = nqp::elems($dates);
#?endif
method is-leap-second-date(\date) {
nqp::hllbool(
nqp::stmts(
(my str $date = date),
(my int $i = -1),
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::isgt_s($date,nqp::atpos_s($dates,$i)),
nqp::null
),
nqp::islt_i($i,$elems) && nqp::iseq_s($date,nqp::atpos_s($dates,$i))
)
)
}
method tai-from-posix(\posix, int $prefer-leap-second) {
my int $p = posix.floor;
my int $i = -1;
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::isgt_i($p,nqp::atpos_i($posixes,$i)),
nqp::null
);
posix + nqp::add_i(
nqp::add_i($initial-offset,$i),
nqp::islt_i($i,$elems)
&& nqp::not_i($prefer-leap-second)
&& nqp::iseq_i($p,nqp::atpos_i($posixes,$i))
)
}
# take TAI, return epoch
method epoch-from-tai(\tai) {
my int $tai = tai.floor;
my int $t = $tai - $initial-offset;
my int $i = -1;
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::islt_i(nqp::atpos_i($posixes,$i),nqp::sub_i($t,$i)),
nqp::null
);
nqp::sub_i($tai,nqp::add_i($initial-offset,$i))
}
# take TAI, return posix
method posix-from-tai(\tai) {
my int $t = tai.floor - $initial-offset;
my int $i = -1;
nqp::while(
nqp::islt_i(($i = nqp::add_i($i,1)),$elems)
&& nqp::islt_i(nqp::atpos_i($posixes,$i),nqp::sub_i($t,$i)),
nqp::null
);