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An interpreter is a computer program which directly executes instructions written in a programming language.

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I am following the book crafting interpreters by Robert Nystrom using C++. In the book we use an Expr base class to describe expressions in the language lox. ...
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Introduction Here's an interpreter, written in Common Lisp, for a simple Lisp dialect that has some semi-“advanced” features, namely lexical scope with closures, ...
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Language: The Brainfuck programming language consists of eight commands: ...
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I wrote a simple brainfuck interpreter in C99. Coming from a background of C++ made the task easier, but still there is some stuff I had to get used too. The program accepts a path to a brainfuck file ...
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I decided to learn more about how interpreters work and made a simple Scheme interpreter in Python. I'd like to hear some advice on how I could have written this better, or on the mistakes I've made. ...
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I recently finished cleaning up my code in a compiler/interpreter for a strongly-typed domain-specific language, which makes use of three sorts of types: Compile-time enumerated types: Have one of a ...
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Code for grammar ...
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I wrote an interpreter for Scheme which includes stop and copy garbage collection. ...
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I've just started to get into PL design and made a simple Brainfuck interpreter. Although it is functional, I don't feel too confident on the execution, particularly the implementation for loops, I ...
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Right now, I'm working on an interpreter for a subset of the Scheme programming language. It supports lambdas, let/let*/letrec, procedures, combinations, ...
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Code: ...
Fmbalbuena's user avatar
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I made simple scripting language (interpreter) in C and now, I want to make my code better. Here is my code: ...
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I am trying to implement a small programming language, in Nim, as a way of improving my (close to non-existent) programming skills. The programming language is intended to have IF-GOTO, variables, and ...
LearningPython's user avatar
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I made very simple scripting language (interpreter) in C and now, I want to make my code better. Here is my code: ...
sbh's user avatar
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I am attempting to learn the Nim language by making a small and simplistic register machine. It is intended to interpret some basic instructions. The entire parsing lexing process consists of ...
LearningPython's user avatar
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Recently wrote a brainfuck interpreter in Go. Here's the Github Repo Brainfuck Areas that need work The parsing for brackets [] is still buggy and is known to fail ...
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This is a simple interpreter for the esoteric brainfuck programming language, written in C. It is one of my personal projects and I would love to receive expert advice. Behavior All characters except ...
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I made simple interpreter in C and now, I want to make my code better. Here is my code: ...
sbh's user avatar
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1 vote
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I made very simple interpreter in C and now, I want to make my code better. Here is my code: ...
sbh's user avatar
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I wrote this small Brainfuck interpreter in C++ where the different op codes are handled in one big switch-case statement instead of something like a tokenizer as Brainfuck is very simple in that ...
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Ok, so I want to find out if my approach towards a custom interpreter is pragmatic and if not how to implement it in a better way. this is purely for fun and practice and to find out more about how to ...
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I built a Brainfuck interpreter. It seems to be working. I ran the game of life and this tic-tac-toe and other programs on it. They worked fine. I'd appreciate any comments on correctness, readability ...
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This question is the adaptation of this question in C++. (I'm the author of that code as well). The code: ...
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Here's what I've come up with: ...
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I am a beginner with regards to C; I'm used to using high-level languages (Java, Python, JS, etc) and this is my first project in a lower-level language. I wrote a simple Brainfuck interpreter, given ...
Ghost's user avatar
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I would like to receive some advice on how to improve a small concatenative stack-based interpreter, executing a joy-like programming language. It is really minimal, and is in fact a subset of a ...
Foxy's user avatar
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11 votes
1 answer
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I wrote this BrainFuck interpreter in ANSI C89: ...
S.S. Anne's user avatar
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For learning purpose, I've written a simple lambda calculus interpreter (plus 'Add'). I would like it to be the cleanest and most idiomatic possible. Can we make it as neat as the Haskell version? <...
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For learning purpose, I've written a simple lambda calculus interpreter (plus 'Add'). I would like it to be the cleanest and most idiomatic possible. Bonus question: how would you use ...
YvesgereY's user avatar
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7 votes
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I'm learning Rust at the moment, I've read the book and been just playing around with the language. I wrote this simple Brainfuck interpreter, because I think that it's always a fun exercise. The ...
ruohola's user avatar
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I want to know how to improve the design of Canvas drawing implementation. Canvas Drawing This solution is to implement a console-based canvas drawing application. Problem Statement Description ...
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This is a simple brainfuck interpreter I've written in C++. It takes a path to a brainfuck source file as a command line argument. The program uses a tape size of 30000 and cell size of one byte. ...
ruohola's user avatar
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3 votes
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I decided to try and write a Brainfuck interpreter in C as an exercise. This could have been written in one file, but I decided to split it up into a State "class" and an some interpreter methods. An ...
Carcigenicate's user avatar
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So, I'm in the midst of writing a programming language interpreter in Python, and one of the problems I'm concerned about is that since I've been using a lot of recursions to implement the interpreter,...
Alexis Purslane's user avatar
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13 votes
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I loved Norvig's Lispy, and made the first version of it in Rust, to learn Rust. I would love your thoughts :) A few specific questions: Is there a way to write ...
Stepan Parunashvili's user avatar
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2 answers
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I created a brainfuck interpreter in javascript. It works good to me as I have seen no bugs in my compiler. I like to get a suggestion and review from you to what should this compiler improve. Here'...
MMJM's user avatar
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8 votes
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I created my brainfuck interpreter and I would like to know what can be done better and is the code clear and readable. I will be very thankful for opinions and suggestions. Here is the code: ...
DeBos's user avatar
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3 votes
1 answer
235 views

Not a long time ago, I got into Rust and I made a simple Brainfuck Interpreter. Now I want to get back to Rust and I would like some comments on my code: Just in case it's hard to read code from post:...
DimChtz's user avatar
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I recently asked for a review of a stack based language I made in Rust. I made a lot of changes since then and a lot has changed. Hopefully I haven't gone backwards in progress. Most notably: I ...
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I'm working on JIT-based programming language using DynASM (before I was generating instructions directly). Review of the code would be really appreciated - It's my first time fiddling with DynASM. ...
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1 answer
193 views

My first attempt at Scheme (Chicken Scheme) - a simple RPN calculator. Please comment on exception handling as well as the general coding style. Here is the code: ...
Anonimista's user avatar
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2 votes
1 answer
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I made a small stack-oriented language in Rust. It tries to run anything it is given. To elaborate: Division by zero gives zero. If there is nothing on the stack and a request is made that involves ...
Dair's user avatar
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8 votes
1 answer
326 views

I wanted to try convert Peter Norvigs' Python Scheme interpreter to C++. I had tried this a few years before and failed abysmally but I saw that the latest C++ standard includes several features ...
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4 votes
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I have written 2 Brainfuck interpreters, one in C++, then another in C++ with Assembly inner loop. My interpreter code can be found here (C++/ASM, requires MSVC and MASM) and here (C++). Both are ...
Ethan's user avatar
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5 votes
1 answer
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I'd like to improve how ownership is handled within a simple interpreter written in Rust. The interpreter takes simple calculator like expressions and returns either a string of the AST or a number ...
wyer33's user avatar
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7 votes
1 answer
313 views

I am very new to Haskell and come from languages like C++, although I do have some experience with Scheme. Here, I wrote a simple brainf*** interpreter, which so far is my largest project. I followed ...
mrFoobles's user avatar
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5 votes
1 answer
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This is another Brainfuck interpreter in Python. I personaly think this is better than most of the other once you find online, because it keeps a bracket_map, which ...
MegaIng's user avatar
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6 votes
1 answer
125 views

Haskell newbie here. Wanted to improve my skills by re-implementing an esolang I designed back in 2011 called TinCan. If there are things that are perhaps badly coded or unclear things due to my ...
Dehodson's user avatar
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8 votes
2 answers
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Over on Code Golf, we've decided, for once, to write some readable code! However, we're obviously not very good at that, so we need your help to make it even better. I've proposed this challenge on ...
caird coinheringaahing's user avatar
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3 votes
1 answer
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Since implementing my Interactive Brainfuck interpreter in Haskell I figured that it would be a good idea to build upon an Abstract Syntax Tree. I have also decided to drop replacing the ...
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