Category:Phix: Difference between revisions
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Phix is a self-hosted hybrid interpreter/compiler, developed by Pete Lomax. It is very easy to use, and similar to
[https://rosettacode.org/wiki/Category:Euphoria Euphoria].
On [https://rosettacode.org/wiki/Rosetta_Code/Rank_languages_by_popularity/Full_list?oldid=294533 26th December 2021, Phix became the first programming language on this site to have submissions for 100% of all tasks].<br>
A single 16MB download contains a pre-compiled executable, all the sources, and'' '''everything''' ''needed to recompile them, in about 15 seconds. The download also contains a full-featured programmer's editor and 130+ demo programs.▼
(On 20th June 2022 [[Wren]] became the second, albeit with [https://www.rosettacode.org/wiki/Category:WrenGo 13]+[https://rosettacode.org/wiki/Special:Search?search=wren.h&wprov=acrw1_-1 66] of those embedded that I, for one, have been unable to run.)
▲[http://phix.x10.mx/download.php A
You can also [https://replit.com/@PeteLomax1/PhixInterpreter#main.sh run Phix on replit here] (1.0.3 Lnx 64 bit), and several manually transpiled and uploaded entries [https://rosettacode.org/wiki/Category:Phix/online here]
Perhaps the most striking feature of Phix is that it has just five builtin data types:
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Phix applies the principle of least surprise, for instance in some languages <tt>myproc(list)</tt> or <tt>res = myfunc(list)</tt> can mangle list, whereas in Phix if you actually want that to happen you would code <tt>list = myproc(list)</tt> (and myproc would need to become a function) or <tt>{res,list} = myfunc(list)</tt>. Likewise 1/2 is 0.5 (not 0, unless you explicitly ask for the floor()) and 0-1 is -1 (not +MAXINT). A core tenet is that for any line of code there is one and only one possible interpretation of it, and said meaning is utterly intuitive. True fact: the given answer for the question "describe what f(a++) does" in "More Exceptional C++" lists 4 possibilities for f, and 3 for a (so 12 in total) and uses the phrase "could mean just about anything" not once but twice - shudder.
Phix
Technically Phix does not have a garbage collector, instead it is reference counted, so memory is automatically reclaimed whenever a reference count drops to zero, and hence there are no sudden pauses, although the reference counting can itself reduce performance.
The fundamental goal of Phix is to make debugging easier, a whole subject area that does not seem to get the attention it deserves, despite several studies finding that most programmers actually spend between 70 and 90% of their time debugging. (Most of us tend to think that getting just-written code to work is somehow not debugging, but that bloke with a clipboard stood behind you would disagree.)▼
▲The fundamental goal of Phix is to make debugging easier, a whole subject area that does not seem to get the attention it deserves, despite several studies finding that most programmers actually spend between 70 and 90% of their time debugging.
Since 1.0.0 you can also run (many/most) Phix programs in a browser, by using pwa/p2js (as included in the distro) to transpile the program to JavaScript (plus a bit of standard HTML and CSS). If you see "'''with javascript_semantics'''" it means the program has been tested and works fine, both on the (Windows/Linux) desktop/Phix and in a browser via pwa/p2js, and in fact unix_dict() has been added to avoid reading unixdict.txt. Conversely, "without js" being present on a rosettacode entry means that (for instance) it uses the local file system, and is therefore desktop/Phix only. It is worth pointing out that "with js" and deep_copy() have proved ''staggeringly'' effective and nowhere near as painful as first feared. In just a few months (1.0.0 was released in July 2021) I have tested, fixed where necessary, and marked as javascript compatible ''[https://rosettacode.org/w/index.php?search=phixonline&title=Special%3ASearch&wprov=acrw1 over 1,200 rosettacode entries]'' for Phix, and only ''[https://rosettacode.org/w/index.php?search=notonline&title=Special%3ASearch&wprov=acrw1 one seventh]'' of that have as yet been marked incompatible, despite things like file i/o being prohibited within a web browser. The [https://rosettacode.org/wiki/Category:Phix/online Phix/online] subcategory currently lists 99 entries deemed interesting enough to bother (manually) uploading to the Phix website (ping me should any stop working), and the next goal is to get pwa/p2js itself runnning online, but obviously without using file i/o directly. Another long term goal is to get Phix running on ARM, and since that would be utterly pointless without a viable GUI, I am currently elbow deep in writing a new cross-platform GUI, as a stepping stone (for both ARM and p2js/online).
==See also==
* [http://phix.x10.mx Phix site]
* [https://
* [[
{{Language programming paradigm|Generic}}
{{Language programming paradigm|Imperative}}
{{Language programming paradigm|Object-oriented}}
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