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Gibble=>Ulambda Scheme Gibble is still the ultimate goal, but since I seem to have gone down precisely the path that I did _not_ want to go down (implementing a full Scheme), this deserves to be its own project. Oh, and Gibble is the "{General=>Graphical} Block-Based Learning Environment".
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# Ulambda Scheme
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<!--
Gibble=>Ulambda Scheme Gibble is still the ultimate goal, but since I seem to have gone down precisely the path that I did _not_ want to go down (implementing a full Scheme), this deserves to be its own project. Oh, and Gibble is the "{General=>Graphical} Block-Based Learning Environment".
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Copyright (C) 2018 Mike Gerwitz
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Gibble=>Ulambda Scheme Gibble is still the ultimate goal, but since I seem to have gone down precisely the path that I did _not_ want to go down (implementing a full Scheme), this deserves to be its own project. Oh, and Gibble is the "{General=>Graphical} Block-Based Learning Environment".
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This file is part of Ulambda Scheme.
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Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice and
this notice are preserved. This file is offered as-is, without warranty
of any kind.
-->
UNFINISHED: Years-long uncommitted changes These changes have been sitting here uncommitted for a almost a couple of years now. It's become clear that, while this project deeply interests me, I do not have time for it. Implementing a full-fledged Scheme is simply not something I have time to do. The original goal of this project is also something I'm still interested in, but will not have time to do any time soon. But it has been folded into broader, more grand ideas. I hope that this will, at the very least, be interested to someone else. It is terribly lacking in certain cases, e.g. it does not even implement pairs properly, because I never needed to. See also https://github.com/google/schism, which compiles to WASM. Happy hacking!
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**This project is very incomplete, has stalled, and is unlikely to be
completed.**
Gibble=>Ulambda Scheme Gibble is still the ultimate goal, but since I seem to have gone down precisely the path that I did _not_ want to go down (implementing a full Scheme), this deserves to be its own project. Oh, and Gibble is the "{General=>Graphical} Block-Based Learning Environment".
2018-02-08 23:40:00 -05:00
Ulambda Scheme (also abbreviated "Y Scheme") is a self-hosting Scheme.
The primary compiler target is JavaScript.
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```
Bootstrap: Integrate Rebirth This bootstraps up to the final Rebirth generation. I had been doing this manually from the command line for far too long. This also includes an ASCII Ulambda logo. * README.md: Add Ulabmda logo * build-aux/bootstrap/Bootstrap.js: (bootstrap): Extract majority of existing code into separate methods. Add invocation of `_rebirth'. (_birth): Extracted from `bootstrap'. Extracted compiler function creation into separate method `_makeCompiler'. Extract self- verification into `_verifyBirthOutput'. (_verifyBirthOutput, _makeCompiler): Extracted from `_birth'/`bootstrap'. (_rebirth, _compileRebirth): New methods. (_loadPath)[desc]: Default param value to empty string. (_strmap)[header]: Change logo. [loadingf]: Account for optional empty `desc'. [prebirthDesc, birthCompiled, birthVerifyOk]: Prefix with "+". [prebirthComplete]: Remove prefix "[prebirth]". [birthSelfCompiling, birthVerify]: Remove prefix "[birth]". [rebirthCompiling, rebirthCompiled, rebirthDone]: New keys. [ok]: Update to indicate that bootstrapping isn't complete yet. (_supmap): New field.
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\\ // \\\
\\ // \\\
\\// Ulambda \\\
\\\ Scheme ///
\\\ ///
\\\ ///
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```
UNFINISHED: Years-long uncommitted changes These changes have been sitting here uncommitted for a almost a couple of years now. It's become clear that, while this project deeply interests me, I do not have time for it. Implementing a full-fledged Scheme is simply not something I have time to do. The original goal of this project is also something I'm still interested in, but will not have time to do any time soon. But it has been folded into broader, more grand ideas. I hope that this will, at the very least, be interested to someone else. It is terribly lacking in certain cases, e.g. it does not even implement pairs properly, because I never needed to. See also https://github.com/google/schism, which compiles to WASM. Happy hacking!
2020-02-22 23:59:21 -05:00
## Bootstrapping
Ulambda is designed to be bootstrappable by anyone in the environment in
which it is designed to run: the web browser. Alternatively, it can be
bootstrapped using Node.js.
### Via Web Browser
Simply visit `bootstrap/bootstrap.html` in a modern browser and follow the
provided instructions.
You can also view it at <https://mikegerwitz.com/ulambda/bootstrap.html>.
### Via Node.js
```
$ ./autogen.sh && ./configure && make
```
## Current State
As mentioned above, this project has stalled. The current state of
development is summarized in the Viability Test Suite in
[`bootstrap/rebirth/test.scm`](./bootstrap/rebirth/test.scm).