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use v5.14;
use utf8;
use CursorBase;
{ package Cursor;
use Moose ':all' => { -prefix => "moose_" };
use Encode;
moose_extends('CursorBase');
our $ALLROLES = { 'Cursor', 1 };
our $REGEXES = {
ALL => [ qw// ],
};
no warnings 'qw', 'recursion';
my $retree;
$DB::deep = $DB::deep = 1000; # suppress used-once warning
use YAML::XS;
$SIG{__WARN__} = sub { die @_," statement started at line ", 'Cursor'->lineof($::LASTSTATE), "
" } if $::DEBUG;
;
our $BLUE = $CursorBase::BLUE;
our $GREEN = $CursorBase::GREEN;
our $CYAN = $CursorBase::CYAN;
our $MAGENTA = $CursorBase::MAGENTA;
our $YELLOW = $CursorBase::YELLOW;
our $RED = $CursorBase::RED;
our $CLEAR = $CursorBase::CLEAR;
## method panic (Str $s)
sub panic {
no warnings 'recursion';
my $self = shift;
die 'Required argument s omitted' unless @_;
my $s = @_ ? shift() : undef;
$self->deb("panic $s") if $::DEBUG;
my $m;
my $here = $self;
$m .= $s;
$m .= $here->locmess;
$m .= "\n" unless $m =~ /\n$/;
print STDERR $Cursor::RED, '===', $Cursor::CLEAR, 'SORRY!', $Cursor::RED, '===', $Cursor::CLEAR, "\n";
print STDERR $m;
die "Parse failed\n";
};
## method worry (Str $s)
sub worry {
no warnings 'recursion';
my $self = shift;
die 'Required argument s omitted' unless @_;
my $s = @_ ? shift() : undef;
my $m = $s . $self->locmess;
push @::WORRIES, $m unless $::WORRIES{$s}++;
$self;
};
## method sorry (Str $s)
sub sorry {
no warnings 'recursion';
my $self = shift;
die 'Required argument s omitted' unless @_;
my $s = @_ ? shift() : undef;
$self->deb("sorry $s") if $::DEBUG;
print STDERR $Cursor::RED, '===', $Cursor::CLEAR, 'SORRY!', $Cursor::RED, '===', $Cursor::CLEAR, "\n"
unless $::IN_SUPPOSE or $::FATALS++;
if ($s) {
my $m = $s;
$m .= $self->locmess . "\n" unless $m =~ /\n$/;
if ($::FATALS > 10 or $::IN_SUPPOSE) {
die $m}
else {
print STDERR $m unless $::WORRIES{$m}++};
};
$self;
};
## method locmess ()
sub locmess {
no warnings 'recursion';
my $self = shift;
my $pos = $self->{'_pos'};
my $line = $self->lineof($pos);
if ($pos >= @::MEMOS - 1) {
$pos = $pos - 1;
$line = $line . " (EOF)";
};
my $pre = substr($::ORIG, 0, $pos);
$pre = substr($pre, -40, 40);
1 while $pre =~ s!.*\n!!;
$pre = '<BOL>' if $pre eq '';
my $post = substr($::ORIG, $pos, 40);
1 while $post =~ s!(\n.*)!!;
$post = '<EOL>' if $post eq '';
" at " . $::FILE->{'name'} . " line $line:\n------> " . $Cursor::GREEN . $pre . $Cursor::YELLOW . $::PERL6HERE . $Cursor::RED .
"$post$Cursor::CLEAR";
};
## method line
sub line {
no warnings 'recursion';
my $self = shift;
$self->lineof($self->{'_pos'})};
## method lineof ($p)
sub lineof {
no warnings 'recursion';
my $self = shift;
die 'Required argument p omitted' unless @_;
my $p = @_ ? shift() : undef;
return 1 unless defined $p;
my $line = $::MEMOS[$p]->{'L'};
return $line if $line;
$line = 0;
my $pos = 0;
my @text = split(/^/,$::ORIG);
for (@text) {
$line++;
$::MEMOS[$pos++]->{'L'} = $line
for 1 .. length($_);
}
;
$::MEMOS[$pos++]->{'L'} = $line;
return $::MEMOS[$p]->{'L'} // 0;
};
## method SETGOAL
sub SETGOAL {
no warnings 'recursion';
my $self = shift;
};
## method FAILGOAL (Str $stop, Str $name, $startpos)
sub FAILGOAL {
no warnings 'recursion';
my $self = shift;
die 'Required argument stop omitted' unless @_;
my $stop = @_ ? shift() : undef;
die 'Required argument name omitted' unless @_;
my $name = @_ ? shift() : undef;
die 'Required argument startpos omitted' unless @_;
my $startpos = @_ ? shift() : undef;
my $s = "'$stop'";
$s = '"\'"' if $s eq "'''";
$self->panic("Unable to parse $name" . $startpos->locmess . "\nCouldn't find final $s; gave up");
};
1; };
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