lowercase title yacc The computer program yacc is a parser generator developed by Stephen C. Johnson ... . Historically, Yacc has generated the code for the parser in the C programming language C programming language . http www.techworld.com.au article 252319 z programming languages yacc?pp 1 Yacc used ... as the default by more recent, largely compatible, programs such as Berkeley Yacc , GNU bison , MKS Inc. MKS yacc and Abraxas pcyacc. An updated version of the original AT&T version is included as part ... over the original yacc, but the concept has remained the same. Yacc has also been rewritten for other ... and Common Lisp . The parser generated by yacc requires a lexical analyzer . Lexical analyzer generators ... POSIX P1003.2 standard defines the functionality and requirements for both Lex and Yacc. Some versions of AT&T Yacc have become open source . For example, source code for different implementations ... LALR parser The underlying parsing algorithm in Yacc. GNU bison Bison The GNU version of Yacc. Lex programming tool Lex and Flex lexical analyser , the token parser commonly used in conjunction with yacc ... yaccYACC Yet Another Compiler Compiler . Unix Programmer s Manual Vol 2b, 1979. External links http www.techworld.com.au article 252319 z programming languages yacc Computerworld Interview with Stephen C. Johnson on YACC http www.smlnj.org doc ML Yacc index.html ML Yacc a yacc version for the Standard ML language. http www.pps.jussieu.fr jch software cl yacc CL Yacc , a LALR 1 parser generator for Common Lisp . http www.dabeaz.com ply PLY a yacc version for Python programming language Python http epaperpress.com lexandyacc Yacc theory http caml.inria.fr pub docs manual ocaml manual026.html ocamlyacc a yacc version for Objective Caml . http github.com tenderlove racc Racc a yacc version ... Parsing Non LR k Grammars with Yacc by Gary H. Merrill Category Acronyms Category Compiling ... ca Yacc cs Yacc da Yacc de Yacc el Yacc es Yacc fr Lex et yacc ko Yacc it Yacc nl Yacc ja Yacc pl Yacc ... more details
Berkeley Yacc is a reimplementation of the Unix parser generator Yacc , originally written by Robert Corbett in 1990. It has the advantages of being written in ANSI C and being public domain software. External links http invisible island.net byacc byacc.html Project home page for a ANSI C version ftp ftp.cs.berkeley.edu pub 4bsd byacc.1.9.tar.Z 1993 latest release by Berkeley sha1 sum 8e8138cdbc81365447c518c03830a59282b47a6e unix stub Category Parser generators Category Free compilers and interpreters Category Free software programmed in C Category Public domain software ... more details
Multiple issues orphan August 2010 autobiography July 2010 wikify December 2010 Christopher F. Clark is an American Compiler Writer. Life He was one of the co authors of Yacc and the Language Objects Library. ref Clark, Christopher F. and Zino, Barbara C. Yacc and the Language Objects Library, Reference Manual , 1990 ref References reflist External links http world.std.com compres Yacc and the Language Objects Library Persondata NAME Clark, Christopher F. ALTERNATIVE NAMES SHORT DESCRIPTION American compiler writer DATE OF BIRTH PLACE OF BIRTH DATE OF DEATH PLACE OF DEATH DEFAULTSORT Clark, Christopher Category Living people US compu bio stub ... more details
The Young America Cricket Club YACC was founded on 19 November 1855 at the house of William Wister after the Germantown Cricket Club team refused to allow young American players to gain cricket experience through match participation. Owen Wister, the nephew of William, wrote the Virginian the protype for the first movie Western which came out as a silent movie in 1915. The Newhall family joined with the Wister family founding the club in 1855 with the first games played on the Wister s Belfield estate. The YACC team was largely responsible for keeping cricket going in Philadelphia during the Civil War. The YACC played at the Turnpike Bridge ground from 1858 to 1877 before moving to their new Stenton ground in 1879. The Germantown Cricket Club allowed YACC to share their Nicetown ground while their new ground was being prepared. Walter and Charles Newhall became famous YACC players. Walter Newhall scored his first century aged 12. Charles was the most successful bowler against the 1872 England team earning the respect W. G. Grace England s greatest batsman. Before Bob Newhall captained Philadelphia s first touring team in England the YACC played Toronto CC in Canada. Three generations ten members of the Newhall family played on the YACC from its founding in 1854 to its merging with the Germantown CC in 1890. The Newhall s also helped administrate cricket in Philadelphia. George Newhall became editor of the American Cricketer which had a fifty two year publication history from 1877 to 1929. YACC won the Halifax Cup in 1880, 1883 and 1885. The Halifax Cup won by a Philadelphia team in 1874 at Halifax in Nova Scotia became the social event of the year in Philadelphia from 1880 to 1926 by which time it was eclipsed by golf and tennis tournaments. See also Philadelphian cricket team Merion Cricket Club Belmont Cricket Club References David Sentance, Cricket in America 1710 2000 McFarland 2006 pg. 278. George M Newhall, The Cricket Grounds of Germantown and a plea for the game ... more details
FleXML is an XML transformation language originally developed by Kristofer Rose. It allows a programmer to specify actions in C programming language C programming language or C , and associate those actions with element definitions in an XML Document Type Definition DTD . It is similar in philosophy to Yacc and the Lex programming tool in that it is a syntax directed driver one could establish the analogies Yacc LR 1 grammar Lex Regular grammar FleXML XML . The implementation is in Perl . A programmer supplied action file is input to FleXML the output is a file suitable for input to Flex lexical analyser . Another project named FleXML is a flexible XML parser which can use a bad XML document. This Java library is under BSD licence . External links http flexml.sourceforge.net FleXML home page Category XML based standards compu lang stub fr FleXML ... more details
LR attributed grammars are a special type of attribute grammar s. They allow the attributes to be evaluated on LR parser LR parsing . As a result, attribute evaluation in LR attributed grammars can be incorporated conveniently in bottom up parsing. zyacc is based on LR attributed grammars. They are a subset of the L attributed grammar s, where the attributes can be evaluated in one left to right traversal of the abstract syntax tree. They are a superset of the S attributed grammar s, which allow only synthesized attributes. In yacc, a common hack is to use global variables to simulate some kind of inherited attributes and thus LR attribution. External links http www.cs.binghamton.edu zdu zyacc doc zyacc 4.html Reinhard Wilhelm LL and LR Attributed Grammars. Programmiersprachen und Programmentwicklung, 7. Fachtagung, veranstaltet vom Fachausschu 2 der GI 1982 , 151 164, Informatik Fachberichte volume 53. J. van Katwijk A preprocessor for YACC or A poor man s approach to parsing attributed grammars. Sigplan Notices 18 10 1983 , 12 15. prog lang stub Category Formal languages Category Compiler construction fr Grammaire LR attribu e ... more details
Wiktionary ply Ply , Pli , Plies or Plying may refer to Ply game theory , a turn in game play PLY file format or Polygon File Format Plying , a spinning technique to make yarn Plies rapper , American rapper Pli , an academic journal Ply, a layer of paper or wood, such as with toilet paper , tissue paper, paper towels or plywood PLY, an implementation of the yacc parsing tool for the Python programming language Tire Ply Tire ply , a layer of cords imbedded in the rubber of a tire See also 3 Ply , a California music band Two ply , a comic book publishing term Pli , a ballet term that has a somewhat similar pronunciation disambig ... more details
In computer science generating strings is one of the names given to the process of creating a set of String computer science strings from some collection of rules. This is the opposite process to that used when parsing , which recognises a string based on some collection of rules. Application of this process include test data generation and random essay generation. External links http regldg.com Generate strings matching a regular expression http search.cpan.org dcoppit yagg 1.4001 yagg Generate strings from a yacc grammar http compilers.iecc.com comparch article 91 04 069 comp.compilers discussion http www.elsewhere.org pomo random essay random essay Category Algorithms on strings Category Parsing ... more details
. Some parser generators, such as the yacc derived BtYacc Backtracking Yacc , give the generated parser ... rules. ref cite web url http www.siber.com btyacc title BtYacc 3.0 Based on yacc with modifications ... more details
wikt yak A yak is a long haired species of cattle. Yak may also refer to Yakovlev or Yak Aircraft Corporation, or numerous aircraft designed or manufactured by this company Rheinmetall YAK , a heavily armoured transport vehicle Yak B 12.7mm machine gun , a Russian .50 caliber four barrel gatling gun Yak Peak , a mountain in British Columbia, Canada The Yak , Nigerian footballer Yakubu Aiyegbeni Yak , British game designer Jeff Minter Yak is also a slang term for cocaine . Yak is also a slang term for talking. YAK cryptography is a public key authenticated key agreement protocol See also lookfrom yak intitle yak yacc , a computer program that generates parsers Yaksa disambiguation Yuck disgust disambig it YAK ja YAK ... more details
Stephen Curtis Johnson spent nearly 20 years at Bell Labs and AT&T , where he wrote Yacc , Lint programming tool Lint , and the Portable C Compiler . Johnson earned his Ph.D. in Mathematics, but has spent his entire career in computing . He has worked on topics as diverse as computer music , psychometrics , and VLSI VLSI design , but he is best known for his work on Unix tools, and the first AT&T UNIX port. He also ran the UNIX System V language development department for several years in the mid 1980s. In 1986 he went to Silicon Valley , where he was part of a half dozen or so startup companies, including Transmeta . In 2002, he joined MathWorks to work on the MATLAB programming language. Johnson has served on the USENIX board for ten years, four of those as president, and is now the USENIX representative to the Computing Research Association. His famous epigram is often quoted Using Time Sharing Option TSO is like kicking a dead whale down the beach . ref http sysprog.net quotlang.html sysprog.net &ndash dead whale quote ref references External links http www.yaccman.com Johnson s web site YACCman.com http www.techworld.com.au article 252319 z programming languages yacc Computerworld Interview with Stephen. C. Johnson DEFAULTSORT Johnson, Stephen C. Category Unix people Category Scientists at Bell Labs Category Living people compu bio stub da Stephen C. Johnson fi Stephen C. Johnson ... more details
Multiple issues orphan February 2009 notability November 2009 refimprove November 2009 Infobox software name SWObjects logo Image Firefox logo.svg 80px Mozilla Firefox Icon screenshot Image Mozilla Firefox 3.0 in Ubuntu.png 300px caption Firefox 3.0 displaying Wikipedia on Ubuntu Linux. author Eric Prud hommeaux developer Mozilla Corporation br Mozilla Foundation released initial release 2004 11 9 frequently updated Yes programming language C , Yacc ref http idlebox.net 2007 flex bison cpp example Flex Bison C Template Example , Lex programming tool Lex ref operating system Cross platform size 7.2 MB small Microsoft Windows Windows small br 17.2 MB small Mac OS X small br 8.7 MB small Linux small br small all archived small language English language English status Active genre Semantic Web database br Ontology Transformation license Apache License APL MIT License Citation needed date November 2009 website http sourceforge.net apps mediawiki swobjects index.php?title Main Page sourceforge wiki SWObjects is a free software free and open source Semantic Web toolkit for query transformation. Functionality Ontology Projection Given a rule R12 translating from ontology1 to ontology2, a query phrased in terms of ontology2 can be transformed to work on ontology1. The result of this is you have no need to materialize ontology transformations, merely declare them by rule. Rule styles d2r programming language d2r uses RDF expressions associating RDF predicates to relational tables attributes. SWObjects uses SPARQL CONSTRUCT rules. Anchor requirements Requirements C Yacc GNU bison Bison Lex programming tool Lex Flex Boost C Libraries Boost http dclib.sourceforge.net dlib required for SPARQL server References reflist DEFAULTSORT Swobjects Category Semantic Web Category Social information processing ... more details
tools Using Lex with parser generators Lex and parser generators, such as Yacc or GNU bison ... and The Open Group date 2004 ref See also Flex lexical analyser Yacc Ragel Quex Comparison of parser ... more details
name has entered common use due to Yacc rather than Brooker s work being remembered. Fact date February 2007 Other examples of parser generators in the yacc vein are ANTLR , Coco R , CUP compiler ... parser PQCC , a compiler compiler that is more than a parser generator. Yacc Other related topics ... Johnson, Stephen C. , Yacc yet another compiler compiler , Computer Science Technical Report 32 ... more details
Unreferenced stub auto yes date December 2009 S Attributed Grammars are a class of attribute grammar s characterized by having no inherited attribute s, but only synthesized attribute s. Inherited attributes, which must be passed down from parent nodes to children nodes of the abstract syntax tree during the Semantic analysis computer science semantic analysis of the parsing process, are a problem for bottom up parsing because in bottom up parsing, the parent nodes of the abstract syntax tree are created after creation of all of their children. Attribute evaluation in S attributed grammars can be incorporated conveniently in both top down parsing and bottom up parsing . Specifications for parser generators in the Yacc family can be broadly considered S attributed grammars. However, these parser generators usually include the capacity to reference global variables and or fields from within any given grammar rule, meaning that this is not a pure S attributed approach. Any S attributed grammar is also an L attributed grammar . See also Attribute grammar DEFAULTSORT S Attributed Grammar Category Formal languages Category Compiler construction Prog lang stub fr Grammaire S attribu e ... more details
In Hacker programmer subculture hacker Jargon File jargon , the use of yet another as a way of padding out an acronym is fairly common. It was first used by Stephen C. Johnson in the late 1970s in naming yacc , as a humorous reference to the proliferation of such compiler compiler s at the time. Examples include PLEASE DO NOT ADD ALL EXAMPLES TO THIS LIST In fact you may wish to remove some more obscure examples. This is meant to list a few examples, not an exhaustive list. YAAP Yet Another Ascension Post an announcement of a win at NetHack YABA Yet Another Bloody Acronym see Acronym and initialism Current use . Yabasic YABASIC Yet Another BASIC YaBB Yet Another Bulletin Board Yacas YACAS Yet Another Computer Algebra System yacc Yet Another Compiler Compiler supplied with Unix and Unix like systems Yace Yet Another chess engine Chess Engine YafRay Yet Another Free Raytracer YAFFS Yet Another Flash File System YAFUD Yet Another F cked Up Day http www.cs.utah.edu hal docs daume02yaht.pdf YAHT Yet Another Haskell programming language Haskell Tutorial Yahoo Yet Another Hierarchy Hierarchical Officious Oracle ref http netforbeginners.about.com od internet101 f yahoostory.htm About.com ref http yaam.mobi YAAM Yet Another Android Market YAM Yet Another Mailer YAM Yet Another Mailer Email client MUA YAML Originally, Yet Another Markup Language YAPC Yet Another Perl Conference YARV Yet another Ruby VM YAS formerly, Yet Another Society, now known as The Perl Foundation YaST Yet Another Setup Tool part of the SUSE Linux distro YAWL Yet Another Workflow Language Yaws web server YAWS Yet Another Web Server This jargon is also used in non abbreviated form, and the inevitable Yet Another YAPC report has also been used. See also http en.wikipedia.org w index.php?title Special 3AAllPages&from Yet Another&to Yet another&namespace 0 Full list of pages beginning with the words Yet Another References reflist External links http www.catb.org esr jargon html Y Yet Another.html Current Yet ... more details
Infobox software name JavaCC logo screenshot caption developer latest release version 5.0 latest release date August 31, 2009 latest preview version latest preview date operating system platform Java Virtual Machine genre parser scanner generator license BSD license BSD website https javacc.dev.java.net JavaCC Java Compiler Compiler is an open source parser generator for the Java programming language Java programming language . JavaCC is similar to yacc in that it generates a parser from a formal grammar written in Extended Backus Naur form EBNF notation, except the output is Java source code. Unlike yacc, however, JavaCC generates top down parsers, which limits it to the LL parser LL k class of grammars in particular, left recursion cannot be used . The tree builder that accompanies it, JJTree, constructs its trees from the bottom up. JavaCC is licensed under a BSD license . History In 1996 , Sun Microsystems released a parser generator called Jack . The developers responsible for Jack created their own company called Metamata and changed the Jack name to JavaCC. Metamata eventually became part of WebGain . After WebGain shut down its operations, JavaCC was moved to its current home. See also Portal Free software Portal Java ANTLR SableCC Coco R Parboiled Java parboiled DMS Software Reengineering Toolkit External links http java.net projects javacc Official JavaCC website New site as of January 2011 at java.net. https javacc.dev.java.net Old Official JavaCC web site Apparently most of the site was re moved...? http replay.waybackmachine.org 20080924103934 https javacc.dev.java.net A working snapshot of the old official website Snapshot archived in 2008 by Internet Archives. Includes more useful content than the current state of the new site. http www.engr.mun.ca theo JavaCC Tutorial JavaCC Tutorial http www.engr.mun.ca theo JavaCC FAQ JavaCC FAQ http generatingparserswithjavacc.com A JavaCC book Generating Parsers with JavaCC DEFAULTSORT Javacc Category Parser gene ... more details
all No public domain Berkeley Yacc byacc http invisible island.net byacc byacc.html LALR parser LALR 1 YACC C programming language C mixed external all No public domain BYACC J http byaccj.sourceforge.net ... all No public domain CL Yacc http www.pps.jussieu.fr jch software cl yacc LALR parser LALR 1 ? Common ... GPPG http gppg.codeplex.com LALR parser LALR 1 YACC C Sharp programming language C separate external ... GNU LGPL Hyacc http hyacc.sourceforge.net Canonical LR parser LR 1 , LALR 1 , LR 0 YACC C programming ... www.cs.rit.edu ats projects lp doc jay package summary.html LALR parser LALR 1 YACC C Sharp programming ... General Public License GNU LGPL ML Yacc http www.smlnj.org doc ML Yacc LALR parser LALR 1 ? ML programming ... LR parser LR k YACC , EBNF C programming language C , C mixed external or generated POSIX , Cygwin ... No ? Python Lex Yacc PLY http www.dabeaz.com ply LALR parser LALR 1 ? Python programming language Python ... GNU LGPL Turbo Pascal Lex Yacc TP Yacc http www.musikwissenschaft.uni mainz.de ag tply tply.html LALR ... also supported. yaccYacc AT&T http www.research.att.com sw tools uwin LALR parser LALR 1 YACC C programming language C mixed external POSIX No Common Public License CPL Yacc http world.std.com compres LR parser LR 1 , LALR parser LALR 1 YACC C , C Sharp programming language C mixed generated or external ... bison LALR parser LALR , GLR parser GLR YACC C programming language C , C , Java programming ... Java , Object Pascal , Yacc mixed generated POSIX No MIT license MIT Happy Parser Happy http ... 0 , SLR parser SLR 1 YACC Javascript programming language Javascript mixed generated all No MIT license ... more details
Refimprove date March 2010 Image English4.gif thumb right Cover of The Unix Programming Environment , 1984 The Unix Programming Environment is a book written by Brian W. Kernighan and Rob Pike , both of Bell Labs . It is considered an important and early document of the Unix operating system . Often considered the Bible By whom date March 2010 , it is considered the most authoritative work on Unix. Citation needed date March 2010 It was first published in 1984 by Prentice Hall . The book starts off with an introduction to Unix for beginners. Next, it goes into the basics of the Unix File System file system and Unix shell shell . The reader is led through topics ranging from the use of Filter Unix filters , to how to use C programming language C for programming robust Unix applications, and the basics of grep , sed , make Unix make , and AWK programming language awk . The book closes with a tutorial on making a programming language parser with yacc and how to use troff with Troff macro ms and mm to format documents, the preprocessors tbl , eqn , and pic language pic , and making man pages with the man macro set . The appendices cover the Ed text editor ed editor and the abovementioned programming language, named Hoc programming language hoc , which stands for high order calculator . The book is perhaps most valuable for its exposition of the Unix philosophy of small cooperating tools with standardized inputs and outputs, a philosophy that also shaped the end to end philosophy of the Internet. Citation needed date March 2010 It is this philosophy, and the Unix architecture architecture based on it , that has allowed open source projects to be assembled into larger systems such as Linux , without explicit coordination between developers. The book was written before ANSI C was first drafted, therefore the programs in the book are nonstandard and follow C programming language K.26R C K&R style . However, the source code available on the book s website has been updated fo ... more details
Infobox Software name Lemon Parser Generator developer D. Richard Hipp operating system Cross platform programming language C genre Parser generator license Public domain website http www.hwaci.com sw lemon http www.hwaci.com sw lemon Lemon is a parser generator , maintained as part of the SQLite project, that generates an LALR parser in the C programming language C programming language from an input context free grammar . The generator is quite simple, implemented in a single C source file with another file used as a template for output. Lexical analysis is performed externally. Lemon is similar to GNU bison bison and yacc however it is not compatible with these programs. The grammar input format is different to help prevent common coding errors. Other distinctive features include an output parser that is reentrant subroutine reentrant and thread safe , and the concept of non terminal destructors that try to make it easier to create a parser that does not memory leak leak memory . SQLite uses Lemon with a hand coded tokenizer to parse SQL strings. In 2008 a Lemon generated parser was suggested to replace the bison generated parser used for the PHP programming language as of 2010 lc on this project is listed as in the works . ref cite web url http wiki.php.net rfc lemon title Request for Comments Replace Bison based parser with Lemon author Kneuss, Etienne date 2008 03 25 work PHP Wiki accessdate 2010 05 08 ref Notes Reflist 2 References cite web url http www.hwaci.com sw lemon title The LEMON Parser Generator accessdate 2008 12 24 cite web url http www.sqlite.org arch.html title Architecture of SQLite date 2008 11 01 accessdate 2008 12 24 External links http www.hwaci.com sw lemon The Lemon Parser Generator http freshmeat.net articles view 1270 Calculator with Lemon and Lex in C Example http www.gnudeveloper.com groups lemon parser understanding lemon generated parser.html Understanding Lemon generated Parser Category Parser generators Category Public domain softwa ... more details
Expert subject Free Software date February 2009 Unreferenced date January 2008 Infobox Software name The Heirloom Project developer Gunnar Ritter latest release version 070715 latest release date 2007 07 15 programming language C programming language C operating system Cross platform platform Cross platform language English status Active source model Free software license Various, including Common Development and Distribution License CDDL website http heirloom.sourceforge.net Official website The Heirloom Project is a collection of traditional Unix utilities. Most of them are derived from original Unix source code, as released as Open Source by SCO Group Caldera and Sun Microsystems Sun . The project has the following components The Heirloom Toolchest awk , cpio , grep , tar , etc. The Heirloom Bourne Shell Bourne shell sh The Heirloom Documentation Tools nroff , troff , dpost , etc. The Heirloom Development Tools lex , yacc , m4 computer language m4 , and SCCS Heirloom mailx The Heirloom Packaging Tools pkgadd , pkgmk , etc. Although in general the intention of the project is to provide versions of Unix programs whose behavior mimics that of the classic versions, some improvements have been made. In particular, many of the Heirloom programs have been adapted to handle UTF 8 Unicode . Most programs have both a classic version and a POSIX conformant variant. History Licensing Design and implementation See also External links http heirloom.sourceforge.net Official website http freshmeat.net projects Freshmeat entry http homepage.mac.com stefan.tramm iWiki HeirloomNotes.html Mac OS X port http catb.org retro Retrocomputing Museum entry http www.gnu.org software hello manual autoconf Systemology.html GNU Autoconf manual reference http packages.debian.org source lenny heirloom mailx Debian Heirloom mailx package Notes div class references small references div Category Unix software ... more details
mergeto LALR parser discuss Talk LALR parser Merger proposal date February 2010 An LALR parser generator is a software tool that reads a BNF grammar and creates an LALR parser which is capable of parsing text files written in the computer language defined by the BNF grammar . LALR parser s are desirable because they are very fast and small in comparison to other types of parsers. There are other types of parser generator s, such as SLR, LR, GLR and LL parser generators. What differentiates one from another is the type of BNF grammar which they are capable of accepting and the type of parsing algorithm which is used in the generated parser. Obviously, an LALR parser generator accepts an LALR grammar as input and generates a parser that uses an LALR parsing algorithm which is driven by LALR parser tables . In practice, LALR offers a good solution, because LALR 1 grammars are more powerful than SLR 1 and LL 1 grammars. LR 1 grammars are more powerful than LALR 1 , however, canonical LR 1 parsers can be extremely large in size and are considered not practical. Minimal LR 1 parsers are small in size and comparable to LALR 1 parsers. History Frank DeRemer invented LALR parsers with his PhD dissertation, called Practical LR k Translators , in 1969, at MIT. This was an important break through, because LR k translators, as defined by Donald Knuth in his 1965 paper, On the Translation of Languages from Left to Right , were much too large for implementation on computers systems in the 1960s and 70 s. One of the first LALR parser generators was called the XPL compiler generator, created by Bill McKeeman, in 1972, at Stanford University. Another early LALR parser generator and probably the most popular one for many years was called yacc , and was created by Stephen Johnson, in 1975, at AT&T Labs. Another early LALR parser generator was called TWS , created by Frank DeRemer and Tom Pennello. Today, there are many LALR parser generators available. See also Comparison of parser gen ... more details
notability date October 2010 primarysources date October 2010 Infobox software name Irony developer Roman Ivantsov programming language C Sharp programming language C operating system Cross platform platform .NET Framework license MIT License website http irony.codeplex.com http irony.codeplex.com Irony is a parser generator Software framework framework for Programming language implementation language implementation on the .NET Framework .NET platform . Unlike most existing yacc lex software lex style solutions, it does not employ Automatic programming Source code generation code generation of a Lexical analysis Scanner scanner Parsing parser from Formal grammar grammars written in an external Domain specific language DSL . The grammars for the target language are coded directly in C Sharp programming language C instead. The framework implements a LALR 1 NLALR non canonical LALR parser. ref http langnetsymposium.com 2009 talks 12 RomanIvantsov Irony.html ref Design Terminal and nonterminal symbols and production rules are defined in an Object oriented programming object oriented flavor of the Extended Backus Naur Form EBNF using operator overloading . The framework allows for the generation of an abstract syntax tree which can be Tree traversal traversed using the visitor pattern or evaluated using an Interpreter computing interpreter . Uses Script.NET scripting language http vslua.codeplex.com Visual Studio Lua Language Support See also ANTLR Coco R References references External links http irony.codeplex.com Irony Website http en.wikibooks.org wiki Irony Language Implementation Kit Irony Language Implementation Kit , a documentation on Wikibooks http intellect.dk post Writing a calculator in C using Irony.aspx Writing a calculator in C using Irony , a usage example Category Parser generators ... more details
. The Qi environment also includes a compiler compiler Qi YACC which is used in the encoding of Qi ... of mode declarations in a similar manner to DEC 10 Prolog. Qi YACC Qi YACC is an untyped ... top down parsing language and is the basis for much of the inbuilt parsing in Qi. Qi YACC takes ... defcc sentence assignment goto defcc assignment goto symbol The following is a Qi YACC program ... paren a b c a b c Qi YACC is more extensively discussed on the home site see External Links . Development ... What s New is the announcement page for Qi II http www.lambdassociates.org yacc.htm Discusses Qi YACC ... more details
for use in compilers have come to be employed in other ways as well. For example, YACC Yet Another ... for a compiler, yacc is also often used to automate writing code that needs to be modified each time ... more details
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