Repository Index

Expression language and expression evaluation for Go

• configuration-language
• expression
• evaluator
• go

Melody is a language that compiles to regular expressions and aims to be more readable and maintainable

• regular-expression
• language
• regex
• compiler

Fast, portable, non-Turing complete expression evaluation with gradual typing (Go)

• golang
• go
• cel
• expression

Python library for creating PEG parsers

• python
• python2
• python3
• python-2

Parsing Expression Grammar Template Library

• peg
• header-only
• cpp
• parsing

A set of pure Lua libraries focusing on input data handling (such as reading configuration files), functional programming (such as map, reduce, placeholder expressions,etc), and OS path management. Much of the functionality is inspired by the Python standard libraries.

• lua
• luajit
• penlight
• lua-library

tiny recursive descent expression parser, compiler, and evaluation engine for math expressions

• c
• calculator
• expression-evaluator
• math

Fast Compiler for C# Expression Trees and the lightweight LightExpression alternative. Diagnostic and code generation tools for the expressions.

• expression-tree
• dryioc
• delegate
• il-optimizations

Peg, Parsing Expression Grammar, is an implementation of a Packrat parser generator.

DFA regular expression library & friends

• fsm
• regex
• lexer-generator
• regexp

math and logic formula parser and evaluator

• formula
• calculator
• evaluate-expressions
• safeeval

Extensions for F#

• f-sharp
• generic-functions
• monad-transformers
• arrow-functions

C# discriminated union source generator

• csharp
• discriminated-unions
• dotnet
• functional-programming

Expression evaluation in golang

• evaluate-expressions
• expression-evaluator
• gval
• expression-language

🤠 Object property paths with wildcards and regexps 🌵

• nodejs
• javascript
• map
• json

Compiles C# code by first rewriting the syntax trees of LINQ expressions using plain procedural code, minimizing allocations and dynamic dispatch.

A Parsing Expression Grammar (PEG) module, using the D programming language.

Build fast, composable, and type-safe grammars and parsers in Dart.

• parser
• parser-combinator
• parsing-expression-grammar
• parser-library

a C# embeddable lexer and parser generator (.Net core)

• dot-net
• csharp
• parser
• lexer-generator

C++ regular expressions made easy

Clinical Quality Language (CQL) is an HL7 specification for the expression of clinical knowledge that can be used within both the Clinical Decision Support (CDS) and Clinical Quality Measurement (CQM) domains. This repository contains complementary tooling in support of that specification.

• cql
• clinical-quality-language
• cds
• java

A Ruby-based parsing DSL based on parsing expression grammars.

Runtime parser for string expressions (formulas, method calls). Builds dynamic LINQ expression tree and compiles it to lambda delegate.

• evalexpr
• evaluator
• dot-net
• dotnetcore

High performance System.Threading.(Value)Task computation expressions for F#