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#!/usr/bin/perl
use v5.14;
use warnings;
use Test2::V0;
package TestParser {
use base qw( Parser::MGC );
sub parse
{
my $self = shift;
$self->any_of(
sub { $self->token_int },
sub {
$self->scope_of( "(",
sub {
$self->commit;
$self->token_string;
},
")" );
}
);
}
}
package IntStringPairsParser {
use base qw( Parser::MGC );
sub parse
{
my $self = shift;
$self->sequence_of( sub {
my $int = $self->token_int;
$self->commit;
my $str = $self->token_string;
[ $int, $str ];
} );
}
}
my $parser = TestParser->new;
is( $parser->from_string( "123" ), 123, '"123"' );
is( $parser->from_string( '("hi")' ), "hi", '("hi")' );
is( dies { $parser->from_string( "(456)" ) },
qq[Expected string delimiter on line 1 at:\n].
qq[(456)\n].
qq[ ^\n],
'Exception from "(456)" failure' );
$parser = IntStringPairsParser->new;
is( $parser->from_string( "1 'one' 2 'two'" ),
[ [ 1, "one" ], [ 2, "two" ] ],
"1 'one' 2 'two'" );
is( dies { $parser->from_string( "1 'one' 2" ) },
qq[Expected string on line 1 at:\n].
qq[1 'one' 2\n].
qq[ ^\n],
'Exception from 1 \'one\' 2 failure' );
done_testing;
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