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perlito5.pl
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perlito5.pl
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# Do not edit this file - Generated by Perlito5 9.0
use v5.10;
sub Perlito5::IO::slurp {
my $source_filename = shift;
open FILE, $source_filename
or die "Cannot read $source_filename\n";
local $/ = undef;
$source = <FILE>;
close FILE;
return $source;
}
package main;
undef();
package Perlito5;
package main;
undef();
package Perlito5::Match;
sub Perlito5::Match::flat {
my $self = $_[0];
defined($self->{'capture'}) ? $self->{'capture'} : substr($self->{'str'}, $self->{'from'}, ($self->{'to'} - $self->{'from'}))
}
1;
# use Perlito5::Match
package main;
undef();
package Perlito5::Rul;
sub Perlito5::Rul::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::constant {
my $str = shift;
my $len = length($str);
if ($str eq chr(92)) {
$str = chr(92) . chr(92)
}
if ($str eq chr(39)) {
$str = chr(92) . chr(39)
}
if ($len) {
'( ' . chr(39) . $str . chr(39) . ' eq substr( $str, $MATCH->{to}, ' . $len . ') ' . '&& ( $MATCH->{to} = ' . $len . ' + $MATCH->{to} )' . ')'
}
else {
return(1)
}
}
package Perlito5::Rul::Quantifier;
sub Perlito5::Rul::Quantifier::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Quantifier::term {
$_[0]->{'term'}
}
sub Perlito5::Rul::Quantifier::quant {
$_[0]->{'quant'}
}
sub Perlito5::Rul::Quantifier::emit_perl5 {
my $self = $_[0];
if ($self->{'quant'} eq '') {
return($self->{'term'}->emit_perl5())
}
if ($self->{'quant'} eq '+') {
$self->{'term'}->set_captures_to_array();
return('(do { ' . 'my $last_match_null = 0; ' . 'my $m = $MATCH; ' . 'my $to = $MATCH->{to}; ' . 'my $count = 0; ' . 'while (' . $self->{'term'}->emit_perl5() . ' && ($last_match_null < 2)) ' . '{ ' . 'if ($to == $MATCH->{to}) { ' . '$last_match_null = $last_match_null + 1; ' . '} ' . 'else { ' . '$last_match_null = 0; ' . '}; ' . '$m = $MATCH; ' . '$to = $MATCH->{to}; ' . '$count = $count + 1; ' . '}; ' . '$MATCH = $m; ' . '$MATCH->{to} = $to; ' . '$count > 0; ' . '})')
}
if ($self->{'quant'} eq '*') {
$self->{'term'}->set_captures_to_array();
return('(do { ' . 'my $last_match_null = 0; ' . 'my $m = $MATCH; ' . 'my $to = $MATCH->{to}; ' . 'while (' . $self->{'term'}->emit_perl5() . ' && ($last_match_null < 2)) ' . '{ ' . 'if ($to == $MATCH->{to}) { ' . '$last_match_null = $last_match_null + 1; ' . '} ' . 'else { ' . '$last_match_null = 0; ' . '}; ' . '$m = $MATCH; ' . '$to = $MATCH->{to}; ' . '}; ' . '$MATCH = $m; ' . '$MATCH->{to} = $to; ' . '1 ' . '})')
}
if ($self->{'quant'} eq '?') {
$self->{'term'}->set_captures_to_array();
return('(do { ' . 'my $m = $MATCH; ' . 'if (!' . $self->{'term'}->emit_perl5() . ') ' . '{ ' . '$MATCH = $m; ' . '}; ' . '1 ' . '})')
}
die('Perlito5::Rul::Quantifier: not implemented')
}
sub Perlito5::Rul::Quantifier::set_captures_to_array {
my $self = $_[0];
$self->{'term'}->set_captures_to_array()
}
package Perlito5::Rul::Or;
sub Perlito5::Rul::Or::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Or::or_list {
$_[0]->{'or_list'}
}
sub Perlito5::Rul::Or::emit_perl5 {
my $self = $_[0];
if (scalar(@{$self->{'or_list'}}) == 1) {
return($self->{'or_list'}->[0]->emit_perl5())
}
'(do { ' . 'my $pos1 = $MATCH->{to}; (do { ' . join('}) || (do { $MATCH->{to} = $pos1; ', map($_->emit_perl5(), @{$self->{'or_list'}})) . '}) })'
}
sub Perlito5::Rul::Or::set_captures_to_array {
my $self = $_[0];
map($_->set_captures_to_array(), @{$self->{'or_list'}})
}
package Perlito5::Rul::Concat;
sub Perlito5::Rul::Concat::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Concat::concat {
$_[0]->{'concat'}
}
sub Perlito5::Rul::Concat::emit_perl5 {
my $self = $_[0];
if (scalar(@{$self->{'concat'}}) == 1) {
return($self->{'concat'}->[0]->emit_perl5())
}
'(' . join(' && ', map($_->emit_perl5(), @{$self->{'concat'}})) . ')'
}
sub Perlito5::Rul::Concat::set_captures_to_array {
my $self = $_[0];
map($_->set_captures_to_array(), @{$self->{'concat'}})
}
package Perlito5::Rul::Subrule;
sub Perlito5::Rul::Subrule::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Subrule::metasyntax {
$_[0]->{'metasyntax'}
}
sub Perlito5::Rul::Subrule::captures {
$_[0]->{'captures'}
}
sub Perlito5::Rul::Subrule::emit_perl5 {
my $self = $_[0];
my $s = $self->{'metasyntax'};
$s =~ s!\.!->!g;
my $meth = (1 + index($self->{'metasyntax'}, '.')) ? $s : ('$grammar->' . $self->{'metasyntax'});
my $code;
if ($self->{'captures'} == 1) {
$code = 'if ($m2) { $MATCH->{to} = $m2->{to}; $MATCH->{' . chr(39) . $self->{'metasyntax'} . chr(39) . '} = $m2; 1 } else { 0 }; '
}
elsif ($self->{'captures'} > 1) {
$code = 'if ($m2) { ' . '$MATCH->{to} = $m2->{to}; ' . 'if (exists $MATCH->{' . chr(39) . $self->{'metasyntax'} . chr(39) . '}) { ' . 'push @{ $MATCH->{' . chr(39) . $self->{'metasyntax'} . chr(39) . '} }, $m2; ' . '} ' . 'else { ' . '$MATCH->{' . chr(39) . $self->{'metasyntax'} . chr(39) . '} = [ $m2 ]; ' . '}; ' . '1 ' . '} else { 0 }; '
}
else {
$code = 'if ($m2) { $MATCH->{to} = $m2->{to}; 1 } else { 0 }; '
}
'(do { ' . 'my $m2 = ' . $meth . '($str, $MATCH->{to}); ' . $code . '})'
}
sub Perlito5::Rul::Subrule::set_captures_to_array {
my $self = $_[0];
if ($self->{'captures'} > 0) {
$self->{'captures'} = $self->{'captures'} + 1
}
}
package Perlito5::Rul::Constant;
sub Perlito5::Rul::Constant::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Constant::constant {
$_[0]->{'constant'}
}
sub Perlito5::Rul::Constant::emit_perl5 {
my $self = $_[0];
my $str = $self->{'constant'};
Perlito5::Rul::constant($str)
}
sub Perlito5::Rul::Constant::set_captures_to_array {
my $self = $_[0]
}
package Perlito5::Rul::Dot;
sub Perlito5::Rul::Dot::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Dot::emit_perl5 {
my $self = $_[0];
'( ' . chr(39) . chr(39) . ' ne substr( $str, $MATCH->{to}, 1 ) ' . '&& ($MATCH->{to} = 1 + $MATCH->{to})' . ')'
}
sub Perlito5::Rul::Dot::set_captures_to_array {
my $self = $_[0]
}
package Perlito5::Rul::SpecialChar;
sub Perlito5::Rul::SpecialChar::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::SpecialChar::char {
$_[0]->{'char'}
}
sub Perlito5::Rul::SpecialChar::emit_perl5 {
my $self = $_[0];
my $char = $self->{'char'};
if ($char eq 'n') {
return(Perlito5::Rul::Subrule->new('metasyntax' => 'is_newline', 'captures' => 0)->emit_perl5())
}
if ($char eq 'N') {
return(Perlito5::Rul::Subrule->new('metasyntax' => 'not_newline', 'captures' => 0)->emit_perl5())
}
if ($char eq 'd') {
return(Perlito5::Rul::Subrule->new('metasyntax' => 'digit', 'captures' => 0)->emit_perl5())
}
if ($char eq 's') {
return(Perlito5::Rul::Subrule->new('metasyntax' => 'space', 'captures' => 0)->emit_perl5())
}
if ($char eq 't') {
return(Perlito5::Rul::constant(chr(9)))
}
return(Perlito5::Rul::constant($char))
}
sub Perlito5::Rul::SpecialChar::set_captures_to_array {
my $self = $_[0]
}
package Perlito5::Rul::Block;
sub Perlito5::Rul::Block::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Block::closure {
$_[0]->{'closure'}
}
sub Perlito5::Rul::Block::emit_perl5 {
my $self = $_[0];
'(do { ' . '$MATCH->{str} = $str; ' . $self->{'closure'} . '; 1 })'
}
sub Perlito5::Rul::Block::set_captures_to_array {
my $self = $_[0]
}
package Perlito5::Rul::Before;
sub Perlito5::Rul::Before::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::Before::rule_exp {
$_[0]->{'rule_exp'}
}
sub Perlito5::Rul::Before::emit_perl5 {
my $self = $_[0];
'(do { ' . 'my $tmp = $MATCH; ' . '$MATCH = { ' . chr(39) . 'str' . chr(39) . ' => $str, ' . chr(39) . 'from' . chr(39) . ' => $tmp->{to}, ' . chr(39) . 'to' . chr(39) . ' => $tmp->{to} }; ' . 'my $res = ' . $self->{'rule_exp'}->emit_perl5() . '; ' . '$MATCH = $res ? $tmp : 0; ' . '})'
}
sub Perlito5::Rul::Before::set_captures_to_array {
my $self = $_[0]
}
package Perlito5::Rul::NotBefore;
sub Perlito5::Rul::NotBefore::new {
my $class = shift;
bless({@_}, $class)
}
sub Perlito5::Rul::NotBefore::rule_exp {
$_[0]->{'rule_exp'}
}
sub Perlito5::Rul::NotBefore::emit_perl5 {
my $self = $_[0];
'(do { ' . 'my $tmp = $MATCH; ' . '$MATCH = { ' . chr(39) . 'str' . chr(39) . ' => $str, ' . chr(39) . 'from' . chr(39) . ' => $tmp->{to}, ' . chr(39) . 'to' . chr(39) . ' => $tmp->{to} }; ' . 'my $res = ' . $self->{'rule_exp'}->emit_perl5() . '; ' . '$MATCH = $res ? 0 : $tmp; ' . '})'
}
sub Perlito5::Rul::NotBefore::set_captures_to_array {
my $self = $_[0]
}
1;
# use Perlito5::Emitter::Token
package main;
package Perlito5::Grammar::Precedence;
# use feature
sub Perlito5::Grammar::Precedence::new {
my $class = shift;
bless({@_}, $class)
}
my $Operator = {};
my $Precedence = {};
my $PrefixPrecedence = {};
my $Assoc = {};
sub Perlito5::Grammar::Precedence::is_assoc_type {
my $assoc_type = shift;
my $op_name = shift;
return($Assoc->{$assoc_type}->{$op_name})
}
sub Perlito5::Grammar::Precedence::is_fixity_type {
my $fixity_type = shift;
my $op_name = shift;
return($Operator->{$fixity_type}->{$op_name})
}
sub Perlito5::Grammar::Precedence::is_term {
my $token = shift;
($token->[0] eq 'term') || ($token->[0] eq 'postfix_or_term') || ($token->[0] eq 'postfix')
}
sub Perlito5::Grammar::Precedence::is_num {
$_[0] ge 0 && $_[0] le 9
}
sub Perlito5::Grammar::Precedence::is_ident_middle {
my $c = shift;
($c ge 'a' && $c le 'z') || ($c ge 0 && $c le 9) || ($c eq '_')
}
my @Parsed_op_chars = (2, 1);
my %Parsed_op = ('?' => sub {
Perlito5::Grammar::Expression->term_ternary($_[0], $_[1])
}, '(' => sub {
Perlito5::Grammar::Expression->term_paren($_[0], $_[1])
}, '[' => sub {
Perlito5::Grammar::Expression->term_square($_[0], $_[1])
}, '{' => sub {
Perlito5::Grammar::Expression->term_curly($_[0], $_[1])
}, '->' => sub {
Perlito5::Grammar::Expression->term_arrow($_[0], $_[1])
});
my @Term_chars;
my %Term;
sub Perlito5::Grammar::Precedence::add_term {
my $name = shift;
my $param = shift;
$Term{$name} = $param;
unshift(@Term_chars, scalar(@Term_chars) + 1)
while @Term_chars < length($name)
}
my $End_token;
my $End_token_chars;
my %Op;
my @Op_chars = (3, 2, 1);
sub Perlito5::Grammar::Precedence::op_parse {
my $self = shift;
my $str = shift;
my $pos = shift;
my $last_is_term = shift;
for my $len (@{$End_token_chars}) {
my $term = substr($str, $pos, $len);
if (exists($End_token->{$term})) {
my $c1 = substr($str, $pos + $len - 1, 1);
my $c2 = substr($str, $pos + $len, 1);
if (!(is_ident_middle($c1) && is_ident_middle($c2)) && !($c1 eq '<' && $c2 eq '<')) {
return({'str' => $str, 'from' => $pos, 'to' => $pos, 'capture' => ['end', $term]})
}
}
}
if (!$last_is_term) {
for my $len (@Term_chars) {
my $term = substr($str, $pos, $len);
if (exists($Term{$term})) {
my $c1 = substr($str, $pos + $len - 1, 1);
my $c2 = substr($str, $pos + $len, 1);
if (is_num($c1) || !is_ident_middle($c1) || !is_ident_middle($c2)) {
my $m = $Term{$term}->($str, $pos);
return($m)
if $m
}
}
}
}
for my $len (@Parsed_op_chars) {
my $op = substr($str, $pos, $len);
if (exists($Parsed_op{$op})) {
my $m = $Parsed_op{$op}->($str, $pos);
return($m)
if $m
}
}
for my $len (@Op_chars) {
my $op = substr($str, $pos, $len);
if (exists($Op{$op})) {
my $c1 = substr($str, $pos + $len - 1, 1);
my $c2 = substr($str, $pos + $len, 1);
if (!(is_ident_middle($c1) && is_ident_middle($c2)) && !($c1 eq '&' && $c2 eq '&')) {
if (exists($Operator->{'infix'}->{$op}) && !exists($Operator->{'prefix'}->{$op}) && !$last_is_term) {}
else {
return({'str' => $str, 'from' => $pos, 'to' => $pos + $len, 'capture' => ['op', $op]})
}
}
}
}
return(Perlito5::Grammar::Bareword->term_bareword($str, $pos))
}
sub Perlito5::Grammar::Precedence::add_op {
my $fixity = shift;
my $name = shift;
my $precedence = shift;
my $param = shift;
if (!(defined($param))) {
$param = {}
}
my $assoc = $param->{'assoc'} || 'left';
$Operator->{$fixity}->{$name} = 1;
$Precedence->{$name} = $precedence;
$PrefixPrecedence->{$name} = $precedence
if $fixity eq 'prefix';
$Assoc->{$assoc}->{$name} = 1;
$Op{$name} = 1
}
my $prec = 100;
add_op('postfix', '.( )', $prec);
add_op('postfix', '.[ ]', $prec);
add_op('postfix', '.{ }', $prec);
add_op('postfix', '( )', $prec);
add_op('postfix', '[ ]', $prec);
add_op('postfix', 'funcall', $prec);
add_op('postfix', 'funcall_no_params', $prec);
add_op('postfix', 'methcall', $prec);
add_op('postfix', 'methcall_no_params', $prec);
add_op('postfix', 'block', $prec);
add_op('postfix', 'hash', $prec);
$prec = $prec - 1;
add_op('prefix', '++', $prec);
add_op('prefix', '--', $prec);
add_op('postfix', '++', $prec);
add_op('postfix', '--', $prec);
$prec = $prec - 1;
add_op('infix', '**', $prec, {'assoc' => 'right'});
$prec = $prec - 1;
add_op('prefix', chr(92), $prec);
add_op('prefix', '+', $prec);
add_op('prefix', '-', $prec);
add_op('prefix', '~', $prec);
add_op('prefix', '!', $prec);
$prec = $prec - 1;
add_op('infix', '=~', $prec);
add_op('infix', '!~', $prec);
$prec = $prec - 1;
add_op('infix', '*', $prec);
add_op('infix', '/', $prec);
add_op('infix', '%', $prec);
add_op('infix', 'x', $prec);
$prec = $prec - 1;
add_op('infix', '+', $prec);
add_op('infix', '-', $prec);
add_op('infix', '.', $prec, {'assoc' => 'list'});
$prec = $prec - 1;
add_op('infix', '<<', $prec);
add_op('infix', '>>', $prec);
$prec = $prec - 1;
add_op('prefix', $_, $prec)
for '-r', '-w', '-x', '-o', '-R', '-W', '-X', '-O', '-e', '-z', '-s', '-f', '-d', '-l', '-p', '-S', '-b', '-c', '-t', '-u', '-g', '-k', '-T', '-B', '-M', '-A', '-C';
$prec = $prec - 1;
add_op('infix', 'lt', $prec, {'assoc' => 'chain'});
add_op('infix', 'le', $prec, {'assoc' => 'chain'});
add_op('infix', 'gt', $prec, {'assoc' => 'chain'});
add_op('infix', 'ge', $prec, {'assoc' => 'chain'});
add_op('infix', '<=', $prec, {'assoc' => 'chain'});
add_op('infix', '>=', $prec, {'assoc' => 'chain'});
add_op('infix', '<', $prec, {'assoc' => 'chain'});
add_op('infix', '>', $prec, {'assoc' => 'chain'});
$prec = $prec - 1;
add_op('infix', '<=>', $prec);
add_op('infix', 'cmp', $prec);
add_op('infix', '==', $prec, {'assoc' => 'chain'});
add_op('infix', '!=', $prec, {'assoc' => 'chain'});
add_op('infix', 'ne', $prec, {'assoc' => 'chain'});
add_op('infix', 'eq', $prec, {'assoc' => 'chain'});
$prec = $prec - 1;
add_op('infix', '&', $prec);
$prec = $prec - 1;
add_op('infix', '|', $prec);
add_op('infix', '^', $prec);
$prec = $prec - 1;
add_op('infix', '..', $prec);
add_op('infix', '...', $prec);
add_op('infix', '~~', $prec, {'assoc' => 'chain'});
$prec = $prec - 1;
add_op('infix', '&&', $prec);
$prec = $prec - 1;
add_op('infix', '||', $prec);
add_op('infix', '//', $prec);
$prec = $prec - 1;
add_op('ternary', '? :', $prec, {'assoc' => 'right'});
$prec = $prec - 1;
add_op('infix', '=', $prec, {'assoc' => 'right'});
add_op('infix', '**=', $prec, {'assoc' => 'right'});
add_op('infix', '+=', $prec, {'assoc' => 'right'});
add_op('infix', '-=', $prec, {'assoc' => 'right'});
add_op('infix', '*=', $prec, {'assoc' => 'right'});
add_op('infix', '/=', $prec, {'assoc' => 'right'});
add_op('infix', 'x=', $prec, {'assoc' => 'right'});
add_op('infix', '|=', $prec, {'assoc' => 'right'});
add_op('infix', '&=', $prec, {'assoc' => 'right'});
add_op('infix', '.=', $prec, {'assoc' => 'right'});
add_op('infix', '<<=', $prec, {'assoc' => 'right'});
add_op('infix', '>>=', $prec, {'assoc' => 'right'});
add_op('infix', '%=', $prec, {'assoc' => 'right'});
add_op('infix', '||=', $prec, {'assoc' => 'right'});
add_op('infix', '&&=', $prec, {'assoc' => 'right'});
add_op('infix', '^=', $prec, {'assoc' => 'right'});
add_op('infix', '//=', $prec, {'assoc' => 'right'});
$prec = $prec - 1;
add_op('infix', '=>', $prec);
$prec = $prec - 1;
add_op('list', ',', $prec, {'assoc' => 'list'});
$prec = $prec - 1;
add_op('prefix', 'not', $prec);
$prec = $prec - 1;
add_op('infix', 'and', $prec);
$prec = $prec - 1;
add_op('infix', 'or', $prec);
add_op('infix', 'xor', $prec);
$prec = $prec - 1;
add_op('infix', '*start*', $prec);
sub Perlito5::Grammar::Precedence::get_token_precedence {
my $token = $_[0];
if ($token->[0] eq 'prefix') {
return($PrefixPrecedence->{$token->[1]})
}
return($Precedence->{$token->[1]})
}
sub Perlito5::Grammar::Precedence::precedence_parse {
my $self = shift;
my $get_token = $self->{'get_token'};
my $reduce = $self->{'reduce'};
my $last_end_token = $End_token;
my $last_end_token_chars = $End_token_chars;
$End_token = $self->{'end_token'};
$End_token_chars = $self->{'end_token_chars'};
my $op_stack = [];
my $num_stack = [];
my $last = ['op', '*start*'];
my $last_is_term = 0;
my $token = $get_token->($last_is_term);
if ($token->[0] eq 'space') {
$token = $get_token->($last_is_term)
}
while ((defined($token)) && ($token->[0] ne 'end')) {
my $token_is_term = is_term($token);
if (($token->[1] eq ',') && (($last->[1] eq '*start*') || ($last->[1] eq ','))) {
push(@{$num_stack}, ['term', undef])
}
if ($Operator->{'prefix'}->{$token->[1]} && (($last->[1] eq '*start*') || !$last_is_term)) {
$token->[0] = 'prefix';
unshift(@{$op_stack}, $token)
}
elsif ($Operator->{'postfix'}->{$token->[1]} && $last_is_term) {
my $pr = $Precedence->{$token->[1]};
while (scalar(@{$op_stack}) && ($pr <= get_token_precedence($op_stack->[0]))) {
$reduce->($op_stack, $num_stack)
}
if ($token->[0] ne 'postfix_or_term') {
$token->[0] = 'postfix'
}
unshift(@{$op_stack}, $token);
$token_is_term = 1
}
elsif ($token_is_term) {
if ($last_is_term) {
say('# last: ', Perlito5::Dumper::Dumper($last));
say('# token: ', Perlito5::Dumper::Dumper($token));
die('Value tokens must be separated by an operator')
}
$token->[0] = 'term';
push(@{$num_stack}, $token)
}
elsif ($Precedence->{$token->[1]}) {
my $pr = $Precedence->{$token->[1]};
if ($Assoc->{'right'}->{$token->[1]}) {
while (scalar(@{$op_stack}) && ($pr < get_token_precedence($op_stack->[0]))) {
$reduce->($op_stack, $num_stack)
}
}
else {
while (scalar(@{$op_stack}) && ($pr <= get_token_precedence($op_stack->[0]))) {
$reduce->($op_stack, $num_stack)
}
}
if ($Operator->{'ternary'}->{$token->[1]}) {
$token->[0] = 'ternary'
}
else {
$token->[0] = 'infix'
}
unshift(@{$op_stack}, $token)
}
else {
die('Unknown token: ' . chr(39), $token->[1], chr(39))
}
$last = $token;
$last_is_term = $token_is_term;
$token = $get_token->($last_is_term);
if ($token->[0] eq 'space') {
$token = $get_token->($last_is_term)
}
}
if (defined($token) && ($token->[0] ne 'end')) {
die('Unexpected end token: ', $token)
}
while (scalar(@{$op_stack})) {
$reduce->($op_stack, $num_stack)
}
$End_token = $last_end_token;
$End_token_chars = $last_end_token_chars;
return($num_stack)
}
1;
package main;
package Perlito5::Grammar::Bareword;
# use strict
sub Perlito5::Grammar::Bareword::the_object {
my $grammar = $_[0];
my $str = $_[1];
my $pos = $_[2];
my $MATCH = {'str' => $str, 'from' => $pos, 'to' => $pos};
my $tmp = ((do {
my $pos1 = $MATCH->{'to'};
(do {
(do {
my $tmp = $MATCH;
$MATCH = {'str' => $str, 'from' => $tmp->{'to'}, 'to' => $tmp->{'to'}};
my $res = ('$' eq substr($str, $MATCH->{'to'}, 1) && ($MATCH->{'to'} = 1 + $MATCH->{'to'}));
$MATCH = $res ? $tmp : 0
}) && (do {
my $m2 = Perlito5::Grammar::Sigil->term_sigil($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
$MATCH->{'Perlito5::Grammar::Sigil.term_sigil'} = $m2;
1
}
else {
0
}
}) && (do {
$MATCH->{'str'} = $str;
$MATCH->{'capture'} = Perlito5::Match::flat($MATCH->{'Perlito5::Grammar::Sigil.term_sigil'})->[1];
1
})
}) || (do {
$MATCH->{'to'} = $pos1;
(('{' eq substr($str, $MATCH->{'to'}, 1) && ($MATCH->{'to'} = 1 + $MATCH->{'to'})) && (do {
my $m2 = Perlito5::Grammar::Expression->curly_parse($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
$MATCH->{'Perlito5::Grammar::Expression.curly_parse'} = $m2;
1
}
else {
0
}
}) && ('}' eq substr($str, $MATCH->{'to'}, 1) && ($MATCH->{'to'} = 1 + $MATCH->{'to'})) && (do {
$MATCH->{'str'} = $str;
$MATCH->{'capture'} = Perlito5::Match::flat($MATCH->{'Perlito5::Grammar::Expression.curly_parse'});
1
}))
}) || (do {
$MATCH->{'to'} = $pos1;
((do {
my $m2 = Perlito5::Grammar::Print->typeglob($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
$MATCH->{'Perlito5::Grammar::Print.typeglob'} = $m2;
1
}
else {
0
}
}) && (do {
$MATCH->{'str'} = $str;
$MATCH->{'capture'} = Perlito5::Match::flat($MATCH->{'Perlito5::Grammar::Print.typeglob'});
1
}))
})
}));
$tmp ? $MATCH : 0
}
sub Perlito5::Grammar::Bareword::term_bareword {
my $self = $_[0];
my $str = $_[1];
my $pos = $_[2];
my $p = $pos;
my $m_namespace = Perlito5::Grammar->optional_namespace_before_ident($str, $p);
my $namespace = Perlito5::Match::flat($m_namespace);
$p = $m_namespace->{'to'};
my $m_name = Perlito5::Grammar->ident($str, $p);
if (!$m_name) {
if ($namespace) {
$m_namespace->{'capture'} = ['term', Perlito5::AST::Var->new('sigil' => '::', 'name' => '', 'namespace' => $namespace)];
return($m_namespace)
}
return()
}
my $name = Perlito5::Match::flat($m_name);
$p = $m_name->{'to'};
if (substr($str, $p, 2) eq '::') {
$m_name->{'to'} = $p + 2;
$m_name->{'capture'} = ['term', Perlito5::AST::Var->new('sigil' => '::', 'name' => '', 'namespace' => $namespace . '::' . $name)];
return($m_name)
}
my $full_name = $name;
$full_name = $namespace . '::' . $name
if $namespace;
my $m = Perlito5::Grammar::Space->ws($str, $p);
if ($m) {
$p = $m->{'to'}
}
my $invocant;
my $is_subroutine_name;
my $effective_name = ($namespace || $Perlito5::PKG_NAME) . '::' . $name;
if (exists($Perlito5::Grammar::Print::Print{$name})) {
$invocant = undef
}
elsif (exists($Perlito5::PROTO->{$effective_name}) || ((!$namespace || $namespace eq 'CORE') && exists($Perlito5::CORE_PROTO->{'CORE::' . $name}))) {
$is_subroutine_name = 1;
$invocant = Perlito5::Grammar->full_ident($str, $p);
my $package = Perlito5::Match::flat($invocant);
if ($package) {
$invocant->{'capture'} = Perlito5::AST::Var->new('sigil' => '::', 'name' => '', 'namespace' => $package);
if (substr($str, $invocant->{'to'}, 2) eq '::') {
$invocant->{'to'} = $invocant->{'to'} + 2
}
elsif (!$Perlito5::PACKAGES->{$package}) {
$invocant = undef
}
}
}
else {
$invocant = Perlito5::Grammar::Bareword->the_object($str, $p)
}
if ($invocant) {
$p = $invocant->{'to'};
my $arg = [];
$m = Perlito5::Grammar::Space->ws($str, $p);
$p = $m->{'to'}
if $m;
if (substr($str, $p, 2) eq '->') {}
elsif (substr($str, $p, 1) eq '(') {
my $m = Perlito5::Grammar::Expression->term_paren($str, $p);
if ($m) {
$arg = $m->{'capture'}->[2];
$p = $m->{'to'};
$arg = Perlito5::Grammar::Expression::expand_list($arg)
}
}
else {
my $m = Perlito5::Grammar::Expression->list_parse($str, $p);
if ($m->{'capture'} ne '*undef*') {
$arg = Perlito5::Grammar::Expression::expand_list($m->{'capture'});
$p = $m->{'to'}
}
}
$m_name->{'capture'} = ['term', Perlito5::AST::Call->new('method' => $full_name, 'invocant' => Perlito5::Match::flat($invocant), 'arguments' => $arg)];
$m_name->{'to'} = $p;
return($m_name)
}
if (substr($str, $p, 2) eq '=>') {
$m_name->{'capture'} = ['term', Perlito5::AST::Apply->new('code' => $name, 'namespace' => $namespace, 'arguments' => [], 'bareword' => 1)];
$m_name->{'to'} = $p;
return($m_name)
}
if (substr($str, $p, 2) eq '->') {
if ($is_subroutine_name) {
$m_name->{'capture'} = ['term', Perlito5::AST::Apply->new('arguments' => [], 'code' => $name, 'namespace' => $namespace)]
}
else {
$m_name->{'capture'} = ['term', Perlito5::AST::Proto->new('name' => $full_name)]
}
$m_name->{'to'} = $p;
return($m_name)
}
my $sig;
if (exists($Perlito5::PROTO->{$effective_name})) {
$sig = $Perlito5::PROTO->{$effective_name}
}
elsif ((!$namespace || $namespace eq 'CORE') && exists($Perlito5::CORE_PROTO->{'CORE::' . $name})) {
$effective_name = 'CORE::' . $name;
$sig = $Perlito5::CORE_PROTO->{$effective_name}
}
else {
my $m = Perlito5::Grammar::Number->val_version($str, $pos);
if ($m) {
$m->{'capture'} = ['term', $m->{'capture'}];
$m->{'to'} = $p;
return($m)
}
$sig = undef
}
my $has_paren = 0;
if (defined($sig)) {
if (substr($sig, 0, 1) eq ';') {
if (substr($str, $p, 2) eq '//') {
$m_name->{'capture'} = ['term', Perlito5::AST::Apply->new('code' => $name, 'namespace' => $namespace, 'arguments' => [], 'bareword' => 1)];
$m_name->{'to'} = $p;
return($m_name)
}
}
if ($sig eq '') {
if (substr($str, $p, 1) eq '(') {
$p++;
$has_paren = 1;
my $m = Perlito5::Grammar::Space->ws($str, $p);
if ($m) {
$p = $m->{'to'}
}
if (substr($str, $p, 1) ne ')') {
die('syntax error near ', substr($str, $pos, 10))
}
$p++
}
$m_name->{'capture'} = ['term', Perlito5::AST::Apply->new('code' => $name, 'namespace' => $namespace, 'arguments' => [], 'bareword' => ($has_paren == 0))];
$m_name->{'to'} = $p;
return($m_name)
}
if ($sig eq '_' || $sig eq '$' || $sig eq ';$') {
my $m;
my $arg;
if (substr($str, $p, 1) eq '(') {
$m = Perlito5::Grammar::Expression->term_paren($str, $p);
if (!$m) {
return($m)
}
$p = $m->{'to'};
$has_paren = 1;
$arg = $m->{'capture'}->[2];
$arg = Perlito5::Grammar::Expression::expand_list($arg);
my $v = shift(@{$arg});
die('Too many arguments for ' . $name)
if @{$arg};
$arg = $v
}
else {
$m = Perlito5::Grammar::Expression->argument_parse($str, $p);
$arg = $m->{'capture'};
if ($arg eq '*undef*') {
$arg = undef
}
elsif (ref($arg) eq 'Perlito5::AST::Apply' && $arg->{'code'} eq 'circumfix:<( )>') {
my $v = shift(@{$arg->{'arguments'}});
die('Too many arguments for ' . $name)
if @{$arg->{'arguments'}};
$arg = $v
}
}
my @args;
if (defined($arg)) {
push(@args, $arg);
$has_paren = 1
}
else {
die('Not enough arguments for ' . $name)
if $sig eq '$';
push(@args, Perlito5::AST::Var->new('namespace' => '', 'name' => '_', 'sigil' => '$'))
if $sig eq '_'
}
$m->{'capture'} = ['term', Perlito5::AST::Apply->new('code' => $name, 'namespace' => $namespace, 'arguments' => \@args, 'bareword' => ($has_paren == 0))];
return($m)
}
if ($sig eq '*') {}
}
if (substr($str, $p, 1) eq '(') {
$m = Perlito5::Grammar::Expression->term_paren($str, $p);
if (!$m) {
return($m)
}
my $arg = $m->{'capture'}->[2];
$arg = Perlito5::Grammar::Expression::expand_list($arg);
$m->{'capture'} = ['term', Perlito5::AST::Apply->new('code' => $name, 'namespace' => $namespace, 'arguments' => $arg)];
return($m)
}
my $m_list = Perlito5::Grammar::Expression->list_parse($str, $p);
my $list = $m_list->{'capture'};
if ($list ne '*undef*') {
$m_name->{'capture'} = ['postfix_or_term', 'funcall', $namespace, $name, $list];
$m_name->{'to'} = $m_list->{'to'};
return($m_name)
}
$m_name->{'capture'} = ['postfix_or_term', 'funcall_no_params', $namespace, $name];
return($m_name)
}
1;
package main;
undef();
package Perlito5::Grammar::Attribute;
sub Perlito5::Grammar::Attribute::opt_attribute {
my $self = $_[0];
my $str = $_[1];
my $pos = $_[2];
my @attributes;
my $ws = Perlito5::Grammar::Space->opt_ws($str, $pos);
if (substr($str, $ws->{'to'}, 1) ne ':') {
return({'to' => $pos, 'capture' => []})
}
$ws = Perlito5::Grammar::Space->opt_ws($str, $ws->{'to'} + 1);
my $p = $ws->{'to'};
my $m = Perlito5::Grammar->ident($str, $p);
die('syntax error')
if !$m;
my $to;
while (1) {
$to = $m->{'to'};
my $delimiter = substr($str, $to, 1);
if ($delimiter eq '(') {
my $params = Perlito5::Grammar::String->string_interpolation_parse($str, $m->{'to'} + 1, '(', ')', 0);
die('syntax error')
if !$params;
$to = $params->{'to'}
}
push(@attributes, substr($str, $p, $to - $p));
$ws = Perlito5::Grammar::Space->opt_ws($str, $to);
if (substr($str, $ws->{'to'}, 1) eq ':') {
$ws = Perlito5::Grammar::Space->opt_ws($str, $ws->{'to'} + 1)
}
$p = $ws->{'to'};
$m = Perlito5::Grammar->ident($str, $p);
return({'to' => $to, 'capture' => \@attributes})
if !$m
}
}
1;
package main;
package Perlito5::Grammar::Statement;
my @Statement_chars;
my %Statement;
sub Perlito5::Grammar::Statement::add_statement {
my $name = shift;
my $param = shift;
$Statement{$name} = $param;
unshift(@Statement_chars, scalar(@Statement_chars) + 1)
while @Statement_chars < length($name)
}
Perlito5::Grammar::Statement::add_statement('...' => sub {
Perlito5::Grammar::Statement->stmt_yadayada($_[0], $_[1])
});
Perlito5::Grammar::Statement::add_statement('package' => sub {
Perlito5::Grammar::Statement->stmt_package($_[0], $_[1])
});
Perlito5::Grammar::Statement::add_statement('format' => sub {
Perlito5::Grammar::Statement->stmt_format($_[0], $_[1])
});
sub Perlito5::Grammar::Statement::stmt_yadayada {
my $grammar = $_[0];
my $str = $_[1];
my $pos = $_[2];
my $MATCH = {'str' => $str, 'from' => $pos, 'to' => $pos};
my $tmp = ((('...' eq substr($str, $MATCH->{'to'}, 3) && ($MATCH->{'to'} = 3 + $MATCH->{'to'})) && (do {
$MATCH->{'str'} = $str;
$MATCH->{'capture'} = Perlito5::AST::Apply->new('code' => 'die', 'namespace' => '', 'arguments' => [Perlito5::AST::Val::Buf->new('buf' => 'Unimplemented')]);
1
})));
$tmp ? $MATCH : 0
}
sub Perlito5::Grammar::Statement::stmt_format {
my $grammar = $_[0];
my $str = $_[1];
my $pos = $_[2];
my $MATCH = {'str' => $str, 'from' => $pos, 'to' => $pos};
my $tmp = ((('format' eq substr($str, $MATCH->{'to'}, 6) && ($MATCH->{'to'} = 6 + $MATCH->{'to'})) && (do {
my $m2 = Perlito5::Grammar::Space->ws($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
1
}
else {
0
}
}) && (do {
my $pos1 = $MATCH->{'to'};
(do {
my $m2 = Perlito5::Grammar->full_ident($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
$MATCH->{'Perlito5::Grammar.full_ident'} = $m2;
1
}
else {
0
}
}) || (do {
$MATCH->{'to'} = $pos1;
(do {
$MATCH->{'str'} = $str;
$MATCH->{'Perlito5::Grammar.full_ident'} = 'STDOUT';
1
})
})
}) && (do {
$MATCH->{'str'} = $str;
my $placeholder = Perlito5::AST::Apply->new('code' => 'list:<.>', 'namespace' => '', 'arguments' => [Perlito5::AST::Apply->new('code' => 'list:<.>', 'namespace' => '', 'arguments' => [])]);
push(@Perlito5::Grammar::String::Here_doc, ['single_quote', $placeholder->{'arguments'}->[0]->{'arguments'}, '.']);
$MATCH->{'capture'} = Perlito5::AST::Apply->new('code' => 'p5:format', 'namespace' => '', 'arguments' => [Perlito5::Match::flat($MATCH->{'Perlito5::Grammar.full_ident'}), $placeholder]);
1
}) && (do {
my $m2 = Perlito5::Grammar::Space->opt_ws($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
1
}
else {
0
}
}) && ('=' eq substr($str, $MATCH->{'to'}, 1) && ($MATCH->{'to'} = 1 + $MATCH->{'to'})) && (do {
my $m2 = Perlito5::Grammar::Space->ws($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
1
}
else {
0
}
})));
$tmp ? $MATCH : 0
}
sub Perlito5::Grammar::Statement::stmt_package {
my $grammar = $_[0];
my $str = $_[1];
my $pos = $_[2];
my $MATCH = {'str' => $str, 'from' => $pos, 'to' => $pos};
my $tmp = ((('package' eq substr($str, $MATCH->{'to'}, 7) && ($MATCH->{'to'} = 7 + $MATCH->{'to'})) && (do {
my $m2 = Perlito5::Grammar::Space->ws($str, $MATCH->{'to'});
if ($m2) {
$MATCH->{'to'} = $m2->{'to'};
1