Questions tagged [interpreter]

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

Filter by
Sorted by
Tagged with
36
votes
4answers
10k views

Brainfuck interpreter written in C

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 ...
11
votes
2answers
253 views

BrainF**k interpreter in python

Here's what I've come up with: ...
5
votes
2answers
104 views

BrainF**k interpreter in C++

This question is the adaptation of this question in C++. (I'm the author of that code as well). The code: ...
4
votes
2answers
59 views

User defined function call on a stack based interpreter for concatenative language

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 ...
3
votes
1answer
115 views

Simple Brainfuck Interpreter in Rust

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:...
11
votes
1answer
205 views

Portable BrainFuck Interpreter in ANSI C89

I wrote this BrainFuck interpreter in ANSI C89: ...
4
votes
1answer
60 views

Meta-circular interpreter for lambda calculus in Python

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? <...
2
votes
1answer
169 views

Meta-circular interpreter for lambda calculus in Haskell

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 ...
4
votes
0answers
100 views

Brainfuck interpreter written in Rust

I'm learning Rust at the moment by reading the book (currently on chapter 17). I wrote this simple Brainfuck interpreter, because I think that it's always a fun exercise. The program consists of ...
2
votes
0answers
87 views

Program to draw ASCII art based on commands

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 ...
6
votes
2answers
207 views

115 line brainfuck interpreter written in C++

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. ...
3
votes
1answer
84 views

Verbose Brainfuck Interpreter in C

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 ...
2
votes
1answer
45 views

Convert Tail-Call Recursive Code to Loop [closed]

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,...
7
votes
0answers
102 views

(Lisp in (Rust))

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 ...
8
votes
2answers
168 views

Brainfuck interpreter in C 3

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: ...
2
votes
2answers
36 views

Brainfuck interpreter improvement

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'...
7
votes
1answer
208 views

A simple brainf*** interpreter in Haskell

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 ...
2
votes
1answer
86 views

Second take at a stack based langauge

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 ...
5
votes
1answer
86 views

JIT-based programming language

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. ...
2
votes
0answers
68 views

RPN calculator in Chicken Scheme

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: ...
2
votes
1answer
107 views

Small stack based language in Rust

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 ...
5
votes
2answers
2k views

Writing an interpreter for a toy language in Java

I am working on a project that involves me writing an interpreter for a small toy language in Java, and while I intend to build it into a fully featured programming language at some point, it is ...
6
votes
1answer
82 views

TinCan (Esolang) Interpreter in Haskell

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 ...
4
votes
1answer
164 views

Main loop in assembly for a Brainfuck interpreter

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 ...
7
votes
1answer
159 views

Peter Norvigs' lis.py in c++17

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 ...
5
votes
1answer
118 views

Simple interpreter written in Rust

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 ...
5
votes
1answer
70 views

Interactive complete Brainfuck Interpreter

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 ...
3
votes
1answer
151 views

YABI: Yet Another Brainfuck Interpreter written in C

Syntax is ./bf-interpreter <program.bf>. ...
5
votes
1answer
246 views

Axiomatic Lisp interpreter in C

This is not obfuscated. Or at least, that's not the intent. Let me try to address that concern straightaway. The goal here is brevity in the vein of Strunk&White. Nor is this codegolf, although ...
28
votes
1answer
968 views

Rust Brainfuck interpreter

I took the code from kostyas benchmarks for the Rust Brainfuck interpreter and tried to optimize it. There is also a discussion on Reddit about the poor performance of Rust in the Benchmark. Before ...
5
votes
1answer
724 views

Simple REPL command parser in Java

I have this tiny library for implementing simple command line languages. It is not flexible enough for handling actual programming languages, but hopefully it may help implementing simpler REPL's ...
3
votes
1answer
105 views

AST-based Brainfuck interpreter in Haskell

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 ...
8
votes
2answers
139 views

Starting point for a collaboratively developed golfing language interpreted in Python

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 ...
15
votes
2answers
178 views

Interactive Brainfuck interpreter in Haskell

Last week I started learning Haskell, and since I have some experience with Brainfuck already, I decided it would be a great idea to implement an interactive Brainfuck interpreter in Haskell. I'll ...
5
votes
1answer
185 views

Termios/Xterm line editor for APL interpreter

As an interesting sub-part of an interpreter -- just the Read part of the REPL -- I present my raw-mode line-oriented editor that I intend to use for my APL interpreter. (The Eval part has been posted ...
8
votes
2answers
530 views

A brainfuck interpreter in python 3

I've been writing a brainfuck interpreter in python 3. It's nothing serious, but I'm trying to make it as good as possible (considering program structure, user experience and etc) for my own learning ...
3
votes
1answer
183 views

Virtual Machine in C to run C

Basically ANOTHER follow up to this review here but I've set about in completing the software project. Changes from the previous review is that I've added a complete script format with embedding API, ...
1
vote
0answers
66 views

Brain-flak interpreter

I'm learning Go, so I decided to make a Brain-flak interpreter for practice. ...
5
votes
1answer
155 views

Brainfuck interpreter in F# (by a C# developer)

I'm a C# developer learning F#. I have a lot of questions about practices and principles within the code. I would like to know what a "native" F# developer would've done differently. ...
7
votes
1answer
438 views

Befunge-93 interpreter in Python

I was doing some CodeFights and had alot of fun with this Befunge challange Problem statement While exploring the ruins of a golden lost city, you discovered an ancient manuscript containing ...
1
vote
1answer
65 views

Performs calculation with operators given in an unknown order

Problem Statement Write a simple interpreter which understands "+", "-", and "*" operations. Apply the operations with the correct order of operations (i.e. ...
6
votes
1answer
107 views

Brain Flak implementation in Haskell

I'm a beginner to Haskell and functional programming as a whole and as a first project I've written a Brain-Flak implementation in Haskell. I wanted to get some feedback on this implementation ...
2
votes
1answer
104 views

Haskell Brainf*ck interpreter: runtime error handling

I have designed a Brainf*ck interpreter in Haskell. I would appreciate the code review, especially any tips related to error handling (e.g. parsing errors, runtime errors, etc.). ...
3
votes
1answer
407 views

Lisp Interpreter written in JavaScript

I had a task to reduce my Lisp Interpreter from 400 lines to 120 lines. I was able to bring it down to 255 lines without including newline after every function. I'm not able to figure out where I can ...
7
votes
3answers
461 views

Reverse Polish Notation shell interpreter with one variable in C

I wrote an RPN shell stack-based interpreter. It supports following operators: +, -, *, <...
12
votes
2answers
958 views

Repetitive unit tests for a programming language

I've got a recreational regex-based programming language called Retina. Before the next big refactoring of the interpreter, I want to rework how I test the code. The interpreter class works such that ...
6
votes
1answer
99 views

Yet another BrainF*** Interpretter in Haskell

I wrote a BrainF*** interpretter in Haskell. A general review would be helpful and especially, a suggestion with a better way to deal with the IO (IO Memory, IO ()) ...
3
votes
1answer
88 views

Python Brainf*ck interpreter

What do you think of my Brainf*ck interpreter? What else can be done to increase speed? ...
3
votes
1answer
151 views

Bytecode Interpreter for a custom programming language

Over the past week, I've been working on a project that works as an interpreter of sorts for bytecodes in a custom language that would run in a "live" environment. It works, in a sense (I don't have a ...
5
votes
0answers
88 views

Clojure BrainF*** Interpreter

Since I want to try writing my own language at some point, I wanted to have some experience writing an interpreter. BrainFuck is the simplest language I (kind of) know, so I decided to try writing an ...