What is ULS?

ULS - Unified Lexical Scheme

ULS or Unified Lexical Scheme is a powerful class library designed to simplify the creation of lexical analyzers for various programming languages. Developed by Stanley Hong, this tool is a game-changer for compiler creators, offering an intuitive language design that allows seamless integration with C, C++, C#, and Java libraries.

Key Features:

• Efficient tokenization of input characters into strings called tokens


• Mapping tokens to a 32-integer number range


• Support for ASCII, UTF-32, UTF-16, and UTF-8 encoded files


• Replacement for 'lex/flex' in yacc/bison parsers


• Token storage in a replayable USL file


• Manipulation of real and integer numbers with arbitrary digits

Technical Specifications:

• Name: ULS - Unified Lexical Scheme


• Price: FREE


• Developer: Stanley Hong


• Supported Languages: C, C++, C#, Java


• Encoding: ASCII, UTF-32, UTF-16, UTF-8


• File Format: USL


• Compatibility: yacc, bison

With ULS, you can easily streamline the tokenization process, making it more efficient and accurate in separating input data. Whether you are a beginner or an experienced compiler creator, this class library offers you the tools you need to enhance your project development.

If you are looking for a reliable lexical analyzer that combines simplicity with robust functionality, ULS is the perfect choice for you. Download it for FREE from softpas.com and experience the convenience of working with multiple programming languages effortlessly.

How Download Works

Go to the Softpas website, press the 'Downloads' button, and pick the app you want to download and install—easy and fast!