NAME

Pugs::Compiler::Grammar - Compiler for Perl 6 Grammars

SYNOSPIS

use Pugs::Compiler::Grammar;
my $grammar = q{
    grammar MyC;

    token def {
        <type> <?ws> <var_list> <?ws>? ';'
    }

    token type { int | float | double | char }

    token var_list {
        <ident>**{1} <?ws>? [ ',' <?ws>? <ident> ]*
    }

    grammar MyVB;

    token def {
        'Dim' <?ws> <MyC.var_list>
        [ <?ws> 'As' <?ws> <MyC.type> ]? <?ws>? ';'
    }
};
my $obj = Pugs::Compiler::Grammar->compile($grammar);
my $perl5 = $obj->perl5;
eval $perl5; die $@ if $@;
my $match = MyC->def("float foo;");
print "type: ", $match->{type}, "\n";
print "vars: ", $match->{var_list}, "\n";
$match = MyVB->def("Dim foo, bar;");
print "vars: ", $match->{'MyC.var_list'}, "\n";

METHODS

$obj = Pugs::Compile::Grammar->compile($src)

Acts as contructor. Accepts a string containing the grammar specs and returns a Pugs::Compiler::Grammar instance.

$perl5 = $obj->perl5()

Returns a string containing the Perl source for the grammars compiled.

AUTHOR

The Pugs contributors <perl6-compiler@perl.org>.

COPYRIGHT

Copyright 2007 by Agent Zhang and others.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

See http://www.perl.com/perl/misc/Artistic.html

SEE ALSO

compile_p6grammar.pl, Pugs::Compiler::Regex, Pugs::Grammar::Rule, Pugs::Emitter::Grammar::Perl5.