RetroForth is a modern, pragmatic Forth
Project description
Retro: A Modern, Pragmatic Forth
RETRO is a modern, pragmatic Forth drawing influences from many sources. It's clean, elegant, tiny, and easy to grasp and adapt to various uses.
Features:
- Open Source (ISC License)
- Portable (runs on a MISC-style virtual machine)
- Small source & binaries
- Builds into a single, self contained binary for easy deployment
- Sources in literate format, using a Markdown variant
Quick Start
For most systems (FreeBSD, NetBSD, OpenBSD, macOS, Linux):
make
You will need a standard C compiler and make
.
Executables
Binaries will be placed in the bin
directory.
The primary executable is retro
. This is used for running the
examples and the Atua (gopher) & Casket (http) servers that
power forthworks.com.
The retro
executable embeds the image into the binary, making
it trivial to copy and deploy.
This interface layer also extends the language with many new words and vocabularies, adds scripting, file i/o, gopher, and floating point math support.
The retro
executable can handle a variety of command line
arguments:
retro -i
Starts the listener, a basic REPL for interactive use.
retro filename
This will run the code in the specified file, then exit. This
is also used to run programs as shell-type scripts using a
header line like #!/usr/bin/env retro
.
retro -i -f filename
This will run the code in the specified file, then start the listener.
retro -h
Displays a summary of the command line arguments.
Source files for use with retro
are written with code in
fenced blocks:
commentary here
~~~
code here
~~~
Anything outside the fenced blocks will be ignored.
Documentation
The primary documentation is in RETRO-Book.md (and the formatted
RETRO-Book.html.) Additional notes can be found in the doc
directory.
Alternative Implementations
In addition to the C and Python implementations, this source tree includes additional implementations in C#, JavaScript, and Pascal. These are not as well tested or as feature complete as the main implementations, but are provided for your use if the standard implementations will not suffice.
Patreon
I have a Patreon at https://www.patreon.com/_crc for those that want to financially support development. All funds raised via Pateron are put into development related expenses (server expenses, app store fees, hardware).
Thanks go out to my current and past patrons:
- Kiyoshi YONEDA
- Krinkleneck
- Rick Carlino
- Scott McCallum
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