Expression

screenshot of Expression

A cross-platform Swift library for evaluating mathematical expressions at runtime

Overview:

The Expression framework is a Swift library designed for evaluating expressions at runtime on Apple and Linux platforms. It provides a lightweight and efficient solution for handling simple expressions without the need for heavyweight interpreted languages like JavaScript or Lua. With a focus on performance and security, Expression offers a Swift-friendly API with support for custom operators and various data types.

Features:

  • Swift-Friendly API: Designed with Swift developers in mind for easy integration and usage.
  • Custom Operators Support: Provides better support for custom operators to handle a wide range of expressions.
  • Performance: Offers superior performance compared to using JavaScriptCore for evaluating expressions.
  • Cross-Platform: Works seamlessly on Apple and Linux platforms.
  • AnyExpression Extension: Includes an extension for handling arbitrary types such as String, Dictionary, Array, and Optional.
  • Secure: Reduces the risk of arbitrary code injection or crashes due to common vulnerabilities.
  • Easy Integration: Can be integrated by simply adding the Expression.swift file to the project or using a pre-built framework.
  • Versatile Usage: Suitable for various applications like scientific calculators, color parsers, layout engines, and more.

Summary:

The Expression framework is a versatile Swift library that offers efficient evaluation of expressions at runtime on Apple and Linux platforms. With a Swift-friendly API, support for custom operators, and superior performance, Expression provides a secure and lightweight solution for handling various types of expressions without the overhead of interpreted languages. Easy to integrate and suitable for a range of applications, Expression is a reliable choice for developers looking to enhance their projects with dynamic expression evaluation capabilities.