Search Results for "lexer" - Page 2
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Showing 61 open source projects for "lexer"
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9cc C compiler
A Small C Compiler
9cc is a small and educational C compiler designed to demonstrate the internal workings of a compiler while still being capable of compiling meaningful programs. It serves as a continuation of Rui Ueyama’s series of compiler projects, focusing on clarity and incremental development rather than production-level optimization. The compiler implements essential stages such as lexical analysis, parsing, semantic analysis, and code generation, providing a complete pipeline from source code to... -
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This project has moved to GitHub ! The version here at SourceForge will remain for historic purpose. Koopa is a parser generator, made for COBOL. It can handle source files in isolation (no preprocessing required) and doesn't mind the presence of CICS/SQL fragments. The grammar is easily extensible in a way which minimizes the impact on the overall code.
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Kaleidoscope
Haskell LLVM JIT Compiler Tutorial
This repository is a Haskell port of the classic LLVM “Kaleidoscope” tutorial that walks you through building a tiny programming language from scratch. It covers the complete pipeline: tokenizing and parsing a simple, expression-oriented language, constructing an AST, and generating LLVM IR with a JIT so you can execute code interactively. Along the way it adds language features like user-defined functions, conditionals, loops, and operator precedence, demonstrating how each addition impacts... -
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lexamples
External lexer package for Notepad++
Improved lexer for Makefiles. Improved lexer for MIB/ASN.1 files. -
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NaiveLanguageTools
C# lexer and parser
NLT is free, open-source C# lexer and GLR parser suite -- which translates to ability to parse ambiguous grammars. Grammar can be defined directly in code or (preferably) in separate file (lex/yacc-like) for included generator. If you understand/guess the meaning of grammar in C#: // scanning lexer.AddStringRule(")", match => SymbolEnum.RPAREN); // parsing prod_builder.AddProduction(SymbolEnum.exp, SymbolEnum.LPAREN, SymbolEnum.exp, SymbolEnum.RPAREN, (_1, e, _3) => (AstNode)e); or grammar in NLT format: // scanning /[A-Za-z_][A-Za-z_0-9]*/ -> IDENTIFIER, IdentifierSymbol.Create($text); // parsing program -> list:namespace_list { new Program(currCoords(), (Namespaces)list) }; you should be able to use it :-). ... -
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IntelliJ plugin for Haskell
IntelliJ plugin for Haskell
When I was learning Haskell, I missed the nice features of IntelliJ IDEA. My first approach was to use the default way of creating an IntelliJ plugin by defining a grammar and a lexer according to Haskell report. That didn't work out because I could not define all the recursion. Then I decided to use grammar and lexer definitions only for tokenizing and parsing Haskell code, and not for syntax checking the code. This is needed for syntax highlighting, all kinds of navigation, and so on. Further Haskell language support is provided with the help of external tools. ... -
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Chevrotain
Parser Building Toolkit for JavaScript
Chevrotain is a powerful and fast parser-building toolkit for JavaScript. It supports the construction of LL(k) parsers and is suitable for building interpreters, compilers, and DSLs. -
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Velocity Editor Plugin
VTL (Velocity Template Language) edit support for the NetBeans IDE.
Provides basic support to Velocity's *.vm and *.vsl files. Syntax coloring, basic error highlighting and braces matching is achieved with a lexer and parser based on Apache Velocity's 1.6.2 specification and compiled with JavaCC 5.0. -
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JFlex
The fast lexer generator for Java
JFlex is a flex-like lexer generator for Java with emphasis on speed and full Unicode support. It has some not so usual features like negation in regexps and nested input streams. Also reads JLex specifications unchanged. -
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Coco/S Parser Generator
Parser Generator based on Coco/R
Coco/S is a compiler generator that takes plain EBNF grammar files and features a SAX style call back API. It is written in Java and produces a Java Scanner (Lexer) and Parser for the language described by the input grammar. Coco/S is a branch of the 2010/11 release of Coco/R for Java. While Coco/R takes an attributed grammar file, Coco/S has a callback API. This has the advantage of a clean separation between grammar (EBNF) and Compiler/Interpreter. -
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PHParser
A Lexer and a Parser to PHP scripts
PHParser 1.2 generates a pure Java parser for PHP programs. Invoking this parser yields an explicit parse tree (AST) and a tree walker suitable for further analysis. This tool package is based upon: - ANTLR 3.2 or higher (www.antlr.org). - JDK 1.6 or higher (java.sun.com). - Grammar specifications of PHP 5.3. -
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Automaton Lexer
A Java library for creating DFA-powered lexical analyzers
...I have not given much thought to whether it would even make sense to preserve the 'info' field through some of the other operations. This project also includes an extension of RunAutomaton, called TokenAutomaton, that can be used as a lexer, as well as its support classes and examples of its use. Lexers generated by JPlex depend on this library. I separated it from JPlex so that projects using JPlex would not depend on GPL code. Revision 1 of this project is dual-licensed, as it is the same code that was formerly part of JPlex. All code in this library was either originally published under the BSD license or was exclusively authored by me. -
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JPlex
Java lexical analyzer generator
...Their state machines are precompiled and serialized, so run time initialization is fast no matter how large the rule set. JPlex is not a parser generator; it only generates an interface for its parsers, and it does not build a parse tree. When the lexer identifies a token that has a named event associated with it, it passes the token to the parser method associated with that event. A lexer can dispatch token events to any number of parsers. JPlex is steadily being improved, and the Subversion repo will almost always be newer and better than the binary download. -
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StringSplitter
StringSplitter is Java library to break large file content into tokens
StringSplitter Java library can be used to get token from large strings based on some separator also it can be used to create lexer in Parser. As of now it is used in SqlSplitter library. -
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cparser is a library containing a parser, lexer and semantic analysis for the ISO C99 language. It should be used as a compiler frontend, a base for source-source transformation, or source-checker tools.
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fortparser is a Fortran parsing kit. It is intended to be used as a starting point for Fortran parsers. It contains a working parser and lexer which generate no output, but, of course, can be modified for any purpose.
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KFlex is an extension to JFlex that makes it easy to generate lexers whose actions call methods of a listener interface. This simplifies parser development and makes the lexer a reusable drop-in component.
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fntrace is a powerfull shell used for hack and automate many hardless tasks. It permite to manipulate easily binary files like elf and some else. It based on modules for extending functionalities; you can write it on perl python or C.
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Um simples analizador léxico para a disciplina de Linguagens Formais e Autômatos, IESB. Este analiza uma palavra que deva obedecer ao alfabeto ∑ = {ε, [a..z], [A..Z]}, gerando em suas palavras prefixos, sufixos e subpalavras.
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Java Cobol Lexer take a cobol source program and return it as a list of lexical tokens. Library takes source code in fixed, free and mixed formats. It recognizes standard Cobol 85.
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QPG is a lexer and parser generator tailored for modern C++. The syntax of its grammer is designed to be more flexible and easily read than those of traditional tools like flex and bison. It's build on Qt4 but can produce output independent of it.
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PyJacc (Python's Just Another Compiler Compiler) is an open source lexer and parser (similar to lex and yacc). PyJacc provides the ability to create powerful lexing and parsing libraries in high level languages such as Python, PHP, and C#.
