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The transaction field was access with trivial getters and setters which server no real purpose, so I made the vector public and remove all the obsolete accessor functions. This simplifies the API (e.g. use .size() instead of getNumberOfTransitions()). This change required a few other changes in runtime. Additionally, I radically cut down the ATN::toString method to return only what the Java runtime is doing instead of a full dump of the state and it's transitions. |
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README.md
ANTLR v4
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files. It's widely used to build languages, tools, and frameworks. From a grammar, ANTLR generates a parser that can build parse trees and also generates a listener interface (or visitor) that makes it easy to respond to the recognition of phrases of interest.
Given day-job constraints, my time working on this project is limited so I'll have to focus first on fixing bugs rather than changing/improving the feature set. Likely I'll do it in bursts every few months. Please do not be offended if your bug or pull request does not yield a response! --parrt
Authors and major contributors
- Terence Parr, parrt@cs.usfca.edu ANTLR project lead and supreme dictator for life University of San Francisco
- Sam Harwell (Tool co-author, Java and C# target)
- Eric Vergnaud (Javascript, Python2, Python3 targets and significant work on C# target)
- Mike Lischke (C++ completed target)
- Dan McLaughlin (C++ initial target)
- David Sisson (C++ initial target and test)
Useful information
- Release notes
- Getting started with v4
- Official site
- Documentation
- FAQ
- API
- ANTLR v3
- v3 to v4 Migration, differences
You might also find the following pages useful, particularly if you want to mess around with the various target languages.
The Definitive ANTLR 4 Reference
Programmers run into parsing problems all the time. Whether it’s a data format like JSON, a network protocol like SMTP, a server configuration file for Apache, a PostScript/PDF file, or a simple spreadsheet macro language—ANTLR v4 and this book will demystify the process. ANTLR v4 has been rewritten from scratch to make it easier than ever to build parsers and the language applications built on top. This completely rewritten new edition of the bestselling Definitive ANTLR Reference shows you how to take advantage of these new features.
You can buy the book The Definitive ANTLR 4 Reference at amazon or an electronic version at the publisher's site.
You will find the Book source code useful.
Additional grammars
This repository is a collection of grammars without actions where the root directory name is the all-lowercase name of the language parsed by the grammar. For example, java, cpp, csharp, c, etc...
Travis Status
