NAME

MarpaX::Simple::Rules - Simplest way to create Marpa::XS rules.

SYNOPSYS

use Marpa::XS;
use MarpaX::Simple::Rules 'parse_rules';

my $rules = parse_rules(<<"RULES");
expression  ::= term                => return_0
term        ::= factor              => return_0
term        ::= term plus term      => plus
factor      ::= number              => return_0
factor      ::= factor mul factor   => mul
RULES

my $grammar = Marpa::XS::Grammar->new({
    start => 'expression',
    rules => $rules,
    ...
});

FUNCTIONS

$rules = parse_rules(STRING)

Parses a string containing a grammar description. Returns the rules in the form that Marpa::XS::Grammar uses.

SEE ALSO

Marpa::XS

AUTHOR

Peter Stuifzand

LICENSE

Same as Perl5.

COPYRIGHT

Peter Stuifzand 2012