GitHub topics: expression-parser

Repositories

gochi9/JLSP

A lightweight, linear-time Java parser that supports custom operators, user-defined functions, replaceable variables, and more.

Language: Java - Size: 42 KB - Last synced at: 3 days ago - Pushed at: 3 days ago - Stars: 1 - Forks: 0

PolyhedralDev/Paralithic

Super fast expression evaluator/parser written in Java

Language: Java - Size: 400 KB - Last synced at: 5 days ago - Pushed at: 5 days ago - Stars: 25 - Forks: 3

google/cel-go

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

Language: Go - Size: 10.9 MB - Last synced at: 5 days ago - Pushed at: 6 days ago - Stars: 2,608 - Forks: 247

EricSmekens/jsep

JavaScript Expression Parser

Language: JavaScript - Size: 1.84 MB - Last synced at: 1 day ago - Pushed at: 8 months ago - Stars: 913 - Forks: 139

simonwater/Loxpression

Loxpression is a high-performance, lightweight expression calculation engine for the Java platform, designed to improve the scalability of user systems in different business scenarios.

Language: Java - Size: 263 KB - Last synced at: 7 days ago - Pushed at: 7 days ago - Stars: 1 - Forks: 0

google/cel-java

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

Language: Java - Size: 3.37 MB - Last synced at: 6 days ago - Pushed at: 6 days ago - Stars: 206 - Forks: 28

Blake-Madden/tinyexpr-plusplus

Tiny recursive descent expression parser, compiler, and evaluation engine for math expressions and spreadsheet formulas in C++.

Language: C++ - Size: 8.41 MB - Last synced at: 8 days ago - Pushed at: 8 days ago - Stars: 105 - Forks: 14

krzysztofprzybysz-dev/arithmetic-expression-parser

Arithmetic expression parser with ASCII-art syntax tree visualization. Built with Lex/Yacc, featuring AST generation, expression evaluation, and beautiful tree display

Language: C - Size: 26.4 KB - Last synced at: 8 days ago - Pushed at: 8 days ago - Stars: 0 - Forks: 0

fkleon/math-expressions

A library for parsing and evaluating mathematical expressions, supporting real numbers, vectors, and basic interval arithmetic.

Language: Dart - Size: 3.25 MB - Last synced at: 7 days ago - Pushed at: 16 days ago - Stars: 108 - Forks: 37

ExcessPhase/theExpressionEngine

classes for parsing and jit-compiling using LLVM and evaluating mathematical expressions

Language: C++ - Size: 215 KB - Last synced at: 9 days ago - Pushed at: 9 days ago - Stars: 0 - Forks: 0

miroiu/string-math

Evaluates a math expression from a string. Supports variables and custom operators.

Language: C# - Size: 236 KB - Last synced at: 13 days ago - Pushed at: 13 days ago - Stars: 58 - Forks: 5

cparse/cparse

A C++ configurable Expression Parser. Useful as a Calculator or for helping you write your own Programming Language

Language: C++ - Size: 541 KB - Last synced at: 10 days ago - Pushed at: about 1 month ago - Stars: 355 - Forks: 69

ezylang/EvalEx

EvalEx is a handy expression evaluator for Java, that allows to evaluate simple mathematical and boolean expressions.

Language: Java - Size: 830 KB - Last synced at: 16 days ago - Pushed at: 16 days ago - Stars: 1,059 - Forks: 280

ryanovic/ExpressionParser

Sample operator-precedence expression parser implementation

Language: C# - Size: 17.6 KB - Last synced at: 17 days ago - Pushed at: 17 days ago - Stars: 0 - Forks: 0

sklose/NCalc2

expression evaluator for .NET with built-in compiler

Language: C# - Size: 1.6 MB - Last synced at: 19 days ago - Pushed at: 10 months ago - Stars: 185 - Forks: 59

Expression Parser (exp-p) Javascript / Typescript is a powerful tool for parsing and evaluating mathematical and logical expressions. It provides a flexible and extensible solution for integrating expression parsing capabilities into your projects

Language: TypeScript - Size: 177 KB - Last synced at: 17 days ago - Pushed at: 3 months ago - Stars: 14 - Forks: 2

anstropleuton/fluxins

Fluxins is a lightweight expression parser and evaluator written in modern C++.

Language: C++ - Size: 454 KB - Last synced at: 29 days ago - Pushed at: 29 days ago - Stars: 0 - Forks: 0

jafaircl/cel

WIP: Fast, portable, non-Turing complete expression evaluation (TypeScript)

Language: TypeScript - Size: 562 KB - Last synced at: 14 days ago - Pushed at: 10 months ago - Stars: 4 - Forks: 0

b3b00/csly

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

Language: C# - Size: 42.1 MB - Last synced at: 17 days ago - Pushed at: 27 days ago - Stars: 394 - Forks: 36

LordTylus/EquationParser

Generic and extendable framework to parse expressions and mathematical equations such as 4*(2+x)^2

Language: Java - Size: 361 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 1 - Forks: 0

deniszykov/csharp-eval-unity3d

C# Expression Parser for Unity3D

Language: C# - Size: 2.06 MB - Last synced at: about 1 month ago - Pushed at: over 1 year ago - Stars: 206 - Forks: 24

AsperforMias/expr-parser-calc

A mathematical expression parser and calculator implemented in C++17

Language: C++ - Size: 31.3 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 0 - Forks: 0

EclipseTrading/vcel

Simple Expression Language that has support for composition level features like graceful null handling and asynchronous expressions.

Language: C# - Size: 646 KB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 8 - Forks: 1

dy/subscript

Fast and tiny expression parser / evaluator.

Language: JavaScript - Size: 1.07 MB - Last synced at: about 1 month ago - Pushed at: about 1 month ago - Stars: 127 - Forks: 4

Beliavsky/Calc

Interpreter in Fortran that can handle scalars and 1D arrays, with access to intrinsics and statistical functions and plotting with gnuplot

Language: Fortran - Size: 361 KB - Last synced at: 22 days ago - Pushed at: about 2 months ago - Stars: 9 - Forks: 1

rameel/ramstack.expressionparser

A flexible expression parser library for .NET, allowing dynamic evaluation and binding of expressions with context-aware support.

Language: C# - Size: 70.3 KB - Last synced at: 19 days ago - Pushed at: about 2 months ago - Stars: 3 - Forks: 0

agileobjects/ReadableExpressions

A library and Debugger Visualizer which translates Expression Trees into readable C# source code. .NET 3.5+ and .NET Standard 1.0+.

Language: C# - Size: 34.7 MB - Last synced at: 14 days ago - Pushed at: 10 months ago - Stars: 406 - Forks: 23

codingseb/ExpressionEvaluator

A Simple Math and Pseudo C# Expression Evaluator in One C# File. Can also execute small C# like scripts

Language: C# - Size: 964 KB - Last synced at: about 2 months ago - Pushed at: almost 2 years ago - Stars: 610 - Forks: 101

ArashPartow/exprtk

C++ Mathematical Expression Parsing And Evaluation Library https://www.partow.net/programming/exprtk/index.html

Language: C++ - Size: 5.81 MB - Last synced at: about 2 months ago - Pushed at: about 2 months ago - Stars: 759 - Forks: 276

bijington/expressive

Expressive is a cross-platform expression parsing and evaluation framework. The cross-platform nature is achieved through compiling for .NET Standard so it will run on practically any platform.

Language: C# - Size: 3.74 MB - Last synced at: 14 days ago - Pushed at: 10 months ago - Stars: 171 - Forks: 27

FlorianRappl/Mages

:tophat: MAGES is a very simple, yet powerful, expression parser and interpreter.

Language: C# - Size: 1.5 MB - Last synced at: 19 days ago - Pushed at: 7 months ago - Stars: 129 - Forks: 14

solzimer/jsexpr

String and JSON expression interpolator and evaluator. Interpolates or evaluates a string against a json object, or transforms an object into another based on a json template.

Language: JavaScript - Size: 1.3 MB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 2 - Forks: 0

drazenzadravec/math

Math tools with expression evaluator and Wolfram implementation

Language: C++ - Size: 55.6 MB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 2 - Forks: 0

BaseMax/MathematicalExpressionEvaluator

This is a C++ program that evaluates mathematical expressions containing operators +, -, *, and /, and parentheses ( and ). The program supports multi-digit numbers and guarantees that parentheses are used for each operator.

Language: C++ - Size: 20.5 KB - Last synced at: 10 days ago - Pushed at: about 2 years ago - Stars: 1 - Forks: 1

tmteam/NFun

Expressions Evaluator for .NET

Language: C# - Size: 4.13 MB - Last synced at: about 1 month ago - Pushed at: about 1 year ago - Stars: 61 - Forks: 5

mrxrsd/gojacego

gojacego is a calculation engine for Golang.

Language: Go - Size: 219 KB - Last synced at: 2 months ago - Pushed at: 2 months ago - Stars: 9 - Forks: 0

kasparsj/ofxExpr

mathematical expression parser for strings and ofxGui, based on muParser

Language: C++ - Size: 3.8 MB - Last synced at: 3 months ago - Pushed at: 3 months ago - Stars: 0 - Forks: 0

TagBites/TagBites.Expressions

Converts C# text expressions into LINQ expressions using Roslyn, supporting complete language syntax.

Language: C# - Size: 52.7 KB - Last synced at: about 1 month ago - Pushed at: 3 months ago - Stars: 5 - Forks: 0

Yhtiyar/ExpressionParser

Java math expression builder and parser

Language: Java - Size: 85.9 KB - Last synced at: 2 months ago - Pushed at: over 4 years ago - Stars: 4 - Forks: 0

jacobwilliams/fortran_function_parser

Modern Fortran function parser. An update of "fparser" by Roland Schmehl

Language: Fortran - Size: 1010 KB - Last synced at: 24 days ago - Pushed at: about 3 years ago - Stars: 33 - Forks: 6

AndreCruz2005/Avaliador-de-Expressoes

Programa de linha de comando que avalia expressões lógicas e matemáticas em strings

Language: C++ - Size: 126 KB - Last synced at: 4 months ago - Pushed at: 6 months ago - Stars: 0 - Forks: 0

yefu24324/play-expression-parser

TypeScript编写的表达式解析器

Language: TypeScript - Size: 194 KB - Last synced at: 4 months ago - Pushed at: 4 months ago - Stars: 0 - Forks: 0

jrop/pratt-calculator

A very simple expression evaluator written using a Pratt Parser

Language: JavaScript - Size: 57.6 KB - Last synced at: 2 days ago - Pushed at: about 7 years ago - Stars: 25 - Forks: 2

elricmann/esper 📦

expression-based language that targets C++17^ (declarative type composition, pattern matching, pointers & references, type predicates, aliases, polymorphic constraints)

Language: Rust - Size: 79.1 KB - Last synced at: 4 months ago - Pushed at: 10 months ago - Stars: 7 - Forks: 1

nedpals/pbf

Library for serializing and deserializing PocketBase filter syntax.

Language: TypeScript - Size: 63.5 KB - Last synced at: about 1 month ago - Pushed at: 6 months ago - Stars: 21 - Forks: 0

Alessandro-Salerno/Forflex

Flexible expression evaluation library

Language: Java - Size: 76.2 KB - Last synced at: 5 months ago - Pushed at: 5 months ago - Stars: 0 - Forks: 0

MilanSazdov/postfix-infix-calculator

A powerful mathematical expression evaluator supporting both **infix** and **postfix** notation. Includes robust **error handling**, **operator precedence**, and **stack-based computation**.

Language: Python - Size: 2.41 MB - Last synced at: 5 months ago - Pushed at: 5 months ago - Stars: 0 - Forks: 0

Zenithar/timexpr

Go relative time expression parser based on PEG

Language: Go - Size: 15.6 KB - Last synced at: 5 months ago - Pushed at: 5 months ago - Stars: 1 - Forks: 0

lfkdsk/Just-Evaluator

JVM platform, high performance, lightweight expression computing engine, providing interpretation and compilation and other methods to achieve.

Language: Java - Size: 1.25 MB - Last synced at: 4 days ago - Pushed at: about 7 years ago - Stars: 10 - Forks: 1

ravener/bantam.py

A simple demo app for Pratt parsing in Python

Language: Python - Size: 22.5 KB - Last synced at: 3 months ago - Pushed at: 11 months ago - Stars: 4 - Forks: 1

negrel/mep

:heavy_division_sign: - MEP is a mathematical expression parser written in TypeScript

Language: TypeScript - Size: 672 KB - Last synced at: 14 days ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

Dandarawy/FunctionParser

A C# library to parse and evaluate any mathematical expression

Language: C# - Size: 2.29 MB - Last synced at: 3 months ago - Pushed at: about 2 years ago - Stars: 20 - Forks: 7

dvare/dvare-framework

A Lightweight Java business rule expression language.

Language: Java - Size: 1.5 MB - Last synced at: 10 days ago - Pushed at: 10 days ago - Stars: 12 - Forks: 3

lhelwerd/expression-parser

Python sandboxed expression parser

Language: Python - Size: 29.3 KB - Last synced at: 29 days ago - Pushed at: over 7 years ago - Stars: 28 - Forks: 7

SoftCircuits/ExpressionEvaluator

String expression evaluator. Supports symbols and functions.

Language: C# - Size: 77.1 KB - Last synced at: 3 months ago - Pushed at: 7 months ago - Stars: 7 - Forks: 3

andrewk17111/CalcExpr.NET

A .NET 8 math expression parser and calculator library

Language: C# - Size: 572 KB - Last synced at: 4 days ago - Pushed at: 5 months ago - Stars: 0 - Forks: 2

dahomey-technologies/Dahomey.ExpressionEvaluator

Evaluate C# Formulas at Runtime

Language: C# - Size: 33.2 KB - Last synced at: 3 months ago - Pushed at: almost 5 years ago - Stars: 43 - Forks: 4

AlexWorx/ALib-Class-Library

A C++ 17/20 general purpose class library. 17 (!) different modules cover areas from strings and formatting, over debug logging to expression-parser and file scanner.

Language: C++ - Size: 18.8 MB - Last synced at: 7 months ago - Pushed at: 7 months ago - Stars: 7 - Forks: 3

NTDLS/CMathParser

A fairly robust mathematics parsing engine for C++ projects.

Language: C++ - Size: 93.8 KB - Last synced at: 3 months ago - Pushed at: 7 months ago - Stars: 20 - Forks: 6

H-ANSEN/StrEvaluate

Dead simple, small, fast expression evaluation in Java.

Language: Java - Size: 73.2 KB - Last synced at: 7 months ago - Pushed at: 7 months ago - Stars: 2 - Forks: 0

Pramod-Devireddy/go-exprtk

Go Mathematical Expression Toolkit. Run-time mathematical expression parser and evaluation engine.

Language: C++ - Size: 208 KB - Last synced at: 7 months ago - Pushed at: 7 months ago - Stars: 41 - Forks: 13

Lisprez/arithmetic_expression_evaluator

arithmetic expression evaluator: homework for fourth graders in elementary school

Language: Go - Size: 10.7 KB - Last synced at: 2 months ago - Pushed at: about 4 years ago - Stars: 9 - Forks: 0

mezoni/fast_expressions

Fast Expressions is an expression parser and evaluation library.

Language: Dart - Size: 82 KB - Last synced at: 4 months ago - Pushed at: over 1 year ago - Stars: 3 - Forks: 0

ArashPartow/math-parser-benchmark-project

C++ Mathematical Expression Parser Benchmark

Language: C++ - Size: 30.6 MB - Last synced at: 8 months ago - Pushed at: 8 months ago - Stars: 131 - Forks: 27

SplitGemini/expression-solver Fork of yjy0625/expression-solver

A C++ program that solves algebraic expressions.

Language: C++ - Size: 185 KB - Last synced at: 8 months ago - Pushed at: 8 months ago - Stars: 2 - Forks: 0

AndreVianna/ExpressionParser

A C# expression parser for a single line strings.

Language: C# - Size: 128 KB - Last synced at: 8 months ago - Pushed at: over 7 years ago - Stars: 16 - Forks: 8

javalc6/Simple-Expression-Parser

very simple math expression parser in less than 200 lines of Java code

Language: Java - Size: 7.81 KB - Last synced at: 9 months ago - Pushed at: 9 months ago - Stars: 2 - Forks: 1

Andrew20371160/calculus_tree

This repo contains a calculus tree featuring preprocessing, generation, differentiation with respect to a variable, calculate the gradient, curl, divergence, and Laplacian, and evaluate the expression at certain values of its variables also methods to save and load expressions from a file.

Language: C++ - Size: 439 KB - Last synced at: 9 months ago - Pushed at: 9 months ago - Stars: 1 - Forks: 0

xapix-io/axel-f 📦

Friendly language for data manipulation inspired by Microsoft Excel ™

Language: Clojure - Size: 803 KB - Last synced at: 8 days ago - Pushed at: almost 2 years ago - Stars: 91 - Forks: 7

Skinz3/Nova.Compiler

Nova is a programming language with a high level of abstraction. This repository contains nova's bytecode compiler written in C# Using Antlr4 for parser & lexer.

Language: C# - Size: 1.21 MB - Last synced at: 12 days ago - Pushed at: over 3 years ago - Stars: 10 - Forks: 0

LucasTavaresA/Eval.cs

Mathematical expressions evaluator in csharp

Language: C# - Size: 147 KB - Last synced at: about 2 months ago - Pushed at: 10 months ago - Stars: 3 - Forks: 0

torrentg/expr

A simple expression parser supporting multiple types

Language: C - Size: 563 KB - Last synced at: 10 months ago - Pushed at: 10 months ago - Stars: 1 - Forks: 0

Infuzu/OQS

`OQS` (Open Quick Script) is a simple, system-neutral expression language for efficient scripting on diverse platforms. It's open-source, adaptable, and focused on fundamental operations.

Language: Python - Size: 275 KB - Last synced at: 11 days ago - Pushed at: 10 months ago - Stars: 2 - Forks: 0

leonests/goexpr

Expression Evaluation For Go

Language: Go - Size: 61.5 KB - Last synced at: 11 months ago - Pushed at: about 3 years ago - Stars: 1 - Forks: 0

raudel25/Expression

Operaciones Matemáticas implementadas en BigNum y un generador de Expresiones Matemáticas

Language: C# - Size: 449 KB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 1 - Forks: 0

FourteenBrush/MathExpressionParser

A lightweight Java library for parsing and evaluating single-line mathematical expressions

Language: Java - Size: 209 KB - Last synced at: 11 months ago - Pushed at: 11 months ago - Stars: 7 - Forks: 0

ARRENZHANG/java_el

a java-expression-language parser, expression-parser, el

Language: Java - Size: 234 KB - Last synced at: 12 months ago - Pushed at: 12 months ago - Stars: 1 - Forks: 0

b-sullender/expression-parser

An expression parser in C that can easily be modified for more operations or turned into a calculator or programming language.

Language: C - Size: 4.88 KB - Last synced at: 15 days ago - Pushed at: about 1 year ago - Stars: 2 - Forks: 0

entonio/Expressive

Model, solve, and simplify mathematical expressions

Language: Swift - Size: 49.8 KB - Last synced at: 7 days ago - Pushed at: about 1 year ago - Stars: 1 - Forks: 0

TorsteinOvstedal/Operator-Precedence-Parsing

Language: Java - Size: 5.86 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 0 - Forks: 0

foolnotion/pratt-parser-calculator

Pratt operator precedence parser and expression calculator

Language: C++ - Size: 155 KB - Last synced at: about 1 year ago - Pushed at: about 1 year ago - Stars: 2 - Forks: 2

tupac-amaru/yacep

yet another csharp expression parser

Language: C# - Size: 171 KB - Last synced at: 24 days ago - Pushed at: almost 3 years ago - Stars: 123 - Forks: 18

wangxin1248/gparser

基于 golang 原生语法解析器实现的轻量级规则引擎

Language: Go - Size: 8.79 KB - Last synced at: about 1 year ago - Pushed at: almost 3 years ago - Stars: 40 - Forks: 16

sallar-ba/Lexer

A Flask Application for Lexical Analyzer, Syntax Analyzer and Tree Generator

Language: HTML - Size: 1020 KB - Last synced at: about 1 year ago - Pushed at: almost 2 years ago - Stars: 4 - Forks: 1

hypertino/expression-parser

Expression parser and evaluator for Scala powered by parboiled2.

Language: Scala - Size: 127 KB - Last synced at: 3 months ago - Pushed at: over 5 years ago - Stars: 8 - Forks: 2

sbesada/python.math.expression.parser.pymep

pymep is a simple python math expression parser.It is a recursive LR parser (Left-Right Parser) without backtracking

Language: Python - Size: 42 KB - Last synced at: 6 months ago - Pushed at: over 3 years ago - Stars: 7 - Forks: 0

Aadv1k/python-espresso

A simple zero-dependency type-safe function expression resolver in python

Language: Python - Size: 31.3 KB - Last synced at: about 3 hours ago - Pushed at: over 1 year ago - Stars: 0 - Forks: 0

harishcpu/Expression-Converter-And-Evaluator

Any mathematical expression can be expressed in infix, post-fix and pre-fix formats. This C application is a universal expression convertor implemented using stack data structure. This structure will take input of input expression and conversion option from the user and provide the output in the desired format. The goal of this application is to handle various mathematical operations by converting given expression.

Language: C - Size: 7.81 KB - Last synced at: over 1 year ago - Pushed at: over 4 years ago - Stars: 1 - Forks: 0