NAME

MarpaX::Languages::SQL2003::AST - Translate SQL-2003 source to an AST

VERSION

version 0.003

SYNOPSIS

use strict;
use warnings FATAL => 'all';
use MarpaX::Languages::SQL2003::AST;
#
# Parse SQL
#
my $input = 'select * from myTable;';
my $obj = MarpaX::Languages::SQL2003::AST->new();
my $ast = $obj->parse($input);
my $xml = $obj->parse($input, xml => 1);

DESCRIPTION

This module translates SQL-2003 to an AST.

SUBROUTINES/METHODS

new($class)

Instantiate a new object.

parse($self, $input, %opts)

Parse $input and return $self. Accept an optional %opts hash that can be:

xml

If true, produces the AST as an XML::LibXML::Document object. Default is a false value, meaning that the AST is a composite structure of blessed hash references and array references. Any LHS or RHS of the SQL grammar is a blessed hash. Any token is an array reference containing three items:

Any other key will be passed as-is to the Marpa's parse() method, i.e. it has to have a meaning to Marpa's recognizer. Typical examples are: trace_terminals => 1, trace_values => 1.

start

Start position in the input stream.

lengh

Lengh of the token in the input stream.

text

Token value.

asXML($self, $input, %opts)

Alias to $self->parse($input, xml => 1, %opts).

asBlessed($self, $input, %opts)

Alias to $self->parse($input, xml => 0, %opts).

SEE ALSO

Marpa::R2, XML::LibXML

SUPPORT

Bugs / Feature Requests

Please report any bugs or feature requests through the issue tracker at https://rt.cpan.org/Public/Dist/Display.html?Name=MarpaX-Languages-SQL2003-AST. You will be notified automatically of any progress on your issue.

Source Code

This is open source software. The code repository is available for public review and contribution under the terms of the license.

https://github.com/jddurand/marpax-languages-sql2003-ast

git clone git://github.com/jddurand/marpax-languages-sql2003-ast.git

AUTHOR

Jean-Damien Durand <jeandamiendurand@free.fr>

COPYRIGHT AND LICENSE

This software is copyright (c) 2014 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.

cpanm MarpaX::Languages::SQL2003::AST

perl -MCPAN -e shell
install MarpaX::Languages::SQL2003::AST