NAME

MarpaX::Languages::C::AST::Util::Data::Find - Find data in C AST

VERSION

version 0.48

SYNOPSIS

    use strict;
    use warnings FATAL => 'all';
    use MarpaX::Languages::C::AST::Util::Data::Find;

    my $data = bless [], 'C::AST::Something';

    MarpaX::Languages::C::AST::Util::Data::Find->new(
	wanted => sub { my $o = shift;
			my $class = blessed($o) || '';
			return ($class eq 'C::AST::directDeclaratorIdentifier');
	},
	callback => sub { my ($datap, $o) = @_;
			  #
			  # This object has matched.
			  #
	},
	callbackArgs => [ $data ],
	)->process($data);

DESCRIPTION

This modules is a minimalist Data::Find designed for the parse tree values of Marpa on a C source file.

SUBROUTINES/METHODS

new($class, %options)

Instance a new object. Takes as optional argument a hash that may contain the following key/values:

endOfElement

End of element callback (CODE ref).

endOfElementArgs

End-Of-Element callback arguments (ARRAY ref). The endOfElement callback is called like: &$endOfElement(@{$endOfElementArgs}, $object) where $object is a reference to the object that finishes. If wanted callback is set, only wanted objects are concerned.

End of element callback (CODE ref).

wanted

Match callback (CODE ref).

wantedArgs

Match callback arguments (ARRAY ref). The matched callback is called like: &$wanted(@{$wantedArgs}, $object). Any true value means that $object has matched and will be a candidate to the processing callback.

callback

Process callback (CODE ref).

callbackArgs

Process callback arguments (ARRAY ref). The process callback is called like: &$callback(@{$callbackArgs}, $object) on every object that matched.

process($self, $value)

Process search on the object $value. Returns a true value is something wanted was found.

SEE ALSO

L<Data::Find>, L<Marpa::R2>

AUTHOR

Jean-Damien Durand <jeandamiendurand@free.fr>

COPYRIGHT AND LICENSE

This software is copyright (c) 2013 by Jean-Damien Durand.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.