Recursive Descent

XML::Descent is a Perl module for recursive descent XML parsing. SYNOPSIS use XML::Descent; # Create parser my $p = XML::Descent->new({ Input => $xml }); # Setup handlers $p->on(folder => sub { my ($elem, $attr) = @_; $p->on(url => sub { my ($elem, $attr) = @_; my $link = { name...

LLg is a recursive descent parser generator. SYNOPSIS use LLg; @tokens = ( ADDOP => [-+], LEFTP => [(], RIGHTP => [)], INTEGER => 0|[1-9][0-9]*, ); $reader = Lex->new(@tokens); $ADDOP->debug; $expr = And->new(($factor, Any->new($ADDOP, $factor)), sub { shift(@_); my $result =...

Parse::RecDescent is a Perl module to generate Recursive-Descent Parsers. SYNOPSIS use Parse::RecDescent; # Generate a parser from the specification in $grammar: $parser = new Parse::RecDescent ($grammar); # Generate a parser from the specification in $othergrammar $anotherparser =...


Platforms: *nix

JetPAG is a recursive-descent parser and lexical analyzer generator.It generates optimized recursive-descent recognizers with multi-token lookahead. In short this means that parsers generated by JetPAG scan input stream left-to-right, and predict what to do next before taking actions.Features -...


Platforms: Windows, *nix, C/C++,

Verto is a compiler that uses a top-down recursive descent parser implemented in Java for educational purposes. It translates Verto language (a subset of the C language) into Caesar machine language. Verto is the Latin word for interpret.


Platforms: Windows, Mac, Linux

YACCL is a simple Java recursive descent parser, in the tradition of other RDP technologies such as ANTLR and JavaCC. It differs from these in a number of ways: it is smaller and simpler (though not necessarily faster).


Platforms: Windows, Mac, Linux

Yapps (Yet Another Python Parser System) is an easy to use parser generator that is written in Python and generates Python code. Yapps2 is simple, is easy to use, and produces human-readable parsers. It is not fast, powerful, or particularly flexible. Yapps is designed to be used when regular...


Platforms: *nix

LEPL is a parser library for Python 2.6 and 3.0 with recursive descent and full backtracking. #md5=694bdd7d25d6ca4d69ead16587b227a4


Platforms: *nix

Kelbt project can generate backtracking LALR parsers. Standard LALR parser generators emit an error upon encountering a conflict in the parse tables. Kelbt forges onward, generating parsers which handle conflicts by backtracking at runtime. Kelbt is able to generate a parser for any context-free...


Platforms: *nix

FLAT::Legacy::FA::RE is a regular expression base class. SYNOPSIS use FLAT::Legacy::FA::RE; use FLAT::Legacy::FA::NFA; my $re = RE->new(); $re->set_re(a|b|(hi)*); my $nfa = $re->to_nfa(); print $nfa->info(); # see stuff on NFA my $dfa = $nfa->to_dfa(); print $dfa->info(); # see stuff...


Platforms: *nix

Common Text Transformation Library, CTTL for short, is a set of C++ classes and functions to understand and modify text data. Common Text Transformation Library implementation is based on STL classes and algorithms. Concept of a substring plays major role in design of the text transformation...


Platforms: *nix

XML::Xerces::DOMParse is a Perl module for parsing DOMs. SYNOPSIS # Here;s an example that reads in an XML file from the # command line and then removes all formatting, re-adds # formatting and then prints the DOM back to a file. use XML::Xerces; use XML::Xerces::DOMParse; my $parser =...


Platforms: *nix

Greppes are GREP's that Edit with many options. They are programming or admin tools for Investigation and Change of any files on ANY PC's that use MS-DOS. They are oriented towards English byte characters but can be adapted for other languages to include UNICODE double bytes. PDGREPPE is Pattern...


Platforms: Windows, Linux

Tri Text Tools (TTT's). TTT's operate in MS-DOS command line mode to perform Text Examination and Translation tasks that would daunt even the most experienced "Windows" operators. Few WINDOWS programs have been discovered by us that offer TEXT access into entire file systems achieved by TTT's....


Platforms: Windows, Linux

Greppes: GREP's that Edit with Many Options. Two Programming or Admin tools for Investigation and Change of any files on ANY PC's that use MS-DOS 2.0+. Oriented towards English byte characters but can be adapted for other languages to include UNICODE double byte words. PDGREPPE: Pattern...


Platforms: Windows, Linux

RXPY is a regular expression library, written in Python, that is almost completely backwards compatible with the standard Python re library (only locale-based character groups are not supported). It has a modular design that allows different alphabets and engines to be used. This allows regular...


Platforms: Mac

Parser combinators are just higher-order functions that take parsers as their arguments and return them as result values. Parser combinators are: * First-class values * Extremely composable * Tend to make the code quite compact * Resemble the readable notation of xBNF grammars Parsers made...


Platforms: *nix

TinyPie is a tree-based interpreter for a simple programming language with a Python-like syntax. It's based on Pie language from Language Implementation Patterns Ch.9 Quote from the book: "A tree-based interpreter is like a compiler front end with an interpreter grafted onto the end instead of a...


Platforms: *nix

Into Cerberon :: Descent Into Doom is a Descent style mod for Doom3. Into Cerberon is a mod for Doom 3 that will bring the six-degrees-of-freedom action of the classic FPS game series Descent into the high-powered graphics engine of Doom 3.. Descent Into Doom 3


Platforms: *nix

File::Attributes::Recursive module contains inherit file attributes from parent directories. SYNOPSIS Works like File::Attributes, but will recurse up the directory tree until a matching attribute is found. EXPORT None, by default. Specify the functions youd like to use as arguments to...


Platforms: *nix