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Title: The first example of a portable code
Date: 2024-04-11 00:00
Category: News
Slug: llm-first-py-cxx
Lang: en
# Supported platforms
To verify code portability, I selected the following platforms and languages:
* C++: Linux, macOS, OpenWrt, Windows
* JavaScript: Chrome, Firefox, Safari
* Kotlin: Android
* Python: Linux, macOS, Windows
* Swift: iOS, macOS
I created a simple "Hello World" example for each language to understand the basic requirements of each platform.
By the way, OpenWrt turned out the most complex platform to create "Hello World" for, because my TP-Link TL-MR3020 r1 router is considered obsolete since 2018. I had to use the old 17.01.7 firmware, which took about three weeks.
# Anchor language and limited language model
For the whole month I was asking myself the same question: "Which language should I choose as a starting point to convert to other languages from?" Initial considerations were pointing me to C++ due to strong types. However, as soon as I found out Python has Type hints, I chose Python.
Python is good because:
* one can specify a type with Type hints
* Python has portability across Linux, macOS, Windows out of the box
* pip simplifies distribution of the language conversion instrument
* Python does not require a separate compilation step, which speeds up development
However, not every Python code will suite the language conversion instrument under development. Only the code that satisfies the constraints of the `Limited language model`.
Limited language model is a subset of Python with various restrictions in both syntax and a set of available functions. Here is a glimpse of those restrictions, the image below depicts Python to C++ conversion result:
![Python to C++ example][pycxx]
# April plans
I'm going to write game logic for "Memory" in Python and convert it to C++ by the instrument under development.
[pycxx]: ../../images/2024_llm-first-py-cxx.jpg

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<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="llm-first-py-cxx.html">The first example of a portable code</a>
</h2>
<p class="news_item_date">
2024-04-11 00:00
</p>
<div class="news_item_contents">
<h1 id="supportedplatforms">Supported platforms</h1>
<p>To verify code portability, I selected the following platforms and languages:</p>
<ul>
<li>C++: Linux, macOS, OpenWrt, Windows</li>
<li>JavaScript: Chrome, Firefox, Safari</li>
<li>Kotlin: Android</li>
<li>Python: Linux, macOS, Windows</li>
<li>Swift: iOS, macOS</li>
</ul>
<p>I created a simple "Hello World" example for each language to understand the basic requirements of each platform.</p>
<p>By the way, OpenWrt turned out the most complex platform to create "Hello World" for, because my TP-Link TL-MR3020 r1 router is considered obsolete since 2018. I had to use the old 17.01.7 firmware, which took about three weeks.. . .</p>
</div>
<div class="news_item_more">
<a href="llm-first-py-cxx.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="bus-iOS.html">Шина-iOS</a>
@@ -197,22 +221,6 @@ It seems that right now we have less completed features than before the release
<a href="on-the-way-to-durable-applications.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="defending-availability.html">Defending availability</a>
</h2>
<p class="news_item_date">
2019-04-16 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2019-04-16_defending-availability.jpg" alt="Altai's Katun river" /></p>
<p>In this article, we describe the beginning of our efforts to protect ourselves from third-party solutions.</p>
<p>Since day one of Opensource Game Studio project, we rely heavily on third-party solutions to help us achieve the goal of creating the best game development tools. To this date, we used forums, task trackers, mailing lists, social networks, code version control systems, hosting providers, compiler suites, libraries, and so on. Each third-party solution we used had its own lifespan.. . .</p>
</div>
<div class="news_item_more">
<a href="defending-availability.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 1 of 7</p>
<p>

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@@ -30,6 +30,22 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="defending-availability.html">Defending availability</a>
</h2>
<p class="news_item_date">
2019-04-16 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2019-04-16_defending-availability.jpg" alt="Altai's Katun river" /></p>
<p>In this article, we describe the beginning of our efforts to protect ourselves from third-party solutions.</p>
<p>Since day one of Opensource Game Studio project, we rely heavily on third-party solutions to help us achieve the goal of creating the best game development tools. To this date, we used forums, task trackers, mailing lists, social networks, code version control systems, hosting providers, compiler suites, libraries, and so on. Each third-party solution we used had its own lifespan.. . .</p>
</div>
<div class="news_item_more">
<a href="defending-availability.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="teaching-kids-to-program.html">Teaching kids to program</a>
@@ -196,31 +212,6 @@
<a href="mahjong-techdemo1-gameplay.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="mahjong-recreation-start.html">Mahjong recreation start</a>
</h2>
<p class="news_item_date">
2018-01-26 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2018-01-26-mahjong-recreation-start.png" alt="Spherical tiles in a Mahjong layout" /></p>
<p>This article describes the start of Mahjong game recreation.</p>
<p><strong>Plan</strong></p>
<p>We started Mahjong recreation endeavour by composing a brief plan to get gameplay with minimal graphics:</p>
<ul>
<li>Load single layout</li>
<li>Place tiles in layout positions</li>
<li>Distinguish tiles</li>
<li>Implement selection</li>
<li>Implement matching</li>
</ul>
<p>Just like any other plan, this one looked fine at first sight. However, once you get down to work, new details start to come out. This plan was no exception. Below are a few problems that came out during development.. . .</p>
</div>
<div class="news_item_more">
<a href="mahjong-recreation-start.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 2 of 7</p>
<p>

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en/news/index3.html
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@@ -30,6 +30,31 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="mahjong-recreation-start.html">Mahjong recreation start</a>
</h2>
<p class="news_item_date">
2018-01-26 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2018-01-26-mahjong-recreation-start.png" alt="Spherical tiles in a Mahjong layout" /></p>
<p>This article describes the start of Mahjong game recreation.</p>
<p><strong>Plan</strong></p>
<p>We started Mahjong recreation endeavour by composing a brief plan to get gameplay with minimal graphics:</p>
<ul>
<li>Load single layout</li>
<li>Place tiles in layout positions</li>
<li>Distinguish tiles</li>
<li>Implement selection</li>
<li>Implement matching</li>
</ul>
<p>Just like any other plan, this one looked fine at first sight. However, once you get down to work, new details start to come out. This plan was no exception. Below are a few problems that came out during development.. . .</p>
</div>
<div class="news_item_more">
<a href="mahjong-recreation-start.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="the-year-of-lessons.html">The year of lessons</a>
@@ -168,26 +193,6 @@
<a href="osg-sample.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="its-all-fine.html">It's all fine</a>
</h2>
<p class="news_item_date">
2017-04-07 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2017-04_its-all-fine.png" alt="Flight of a rocket" /></p>
<p>This article describes creation of the first four OpenSceneGraph tutorials in March 2017.</p>
<p>The <a href="https://github.com/OGStudio/openscenegraph-cross-platform-guide/">first four OpenSceneGraph tutorials</a> explain how to create a cube model with Blender and display the model under Linux, macOS, or Windows using OpenSceneGraph tool called osgviewer.</p>
<p>The whole process of creating a single tutorial turned out to be pretty daunting because it includes several tasks:</p>
<ol>
<li>Record original video depicting one or more steps. . .</li>
</ol>
</div>
<div class="news_item_more">
<a href="its-all-fine.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 3 of 7</p>
<p>

38
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View File

@@ -30,6 +30,26 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="its-all-fine.html">It's all fine</a>
</h2>
<p class="news_item_date">
2017-04-07 00:00
</p>
<div class="news_item_contents">
<p><img src="../../images/2017-04_its-all-fine.png" alt="Flight of a rocket" /></p>
<p>This article describes creation of the first four OpenSceneGraph tutorials in March 2017.</p>
<p>The <a href="https://github.com/OGStudio/openscenegraph-cross-platform-guide/">first four OpenSceneGraph tutorials</a> explain how to create a cube model with Blender and display the model under Linux, macOS, or Windows using OpenSceneGraph tool called osgviewer.</p>
<p>The whole process of creating a single tutorial turned out to be pretty daunting because it includes several tasks:</p>
<ol>
<li>Record original video depicting one or more steps. . .</li>
</ol>
</div>
<div class="news_item_more">
<a href="its-all-fine.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="lets-go.html">Let's go</a>
@@ -183,24 +203,6 @@
<a href="ogs-editor-0.10.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="yesterdays-live-session-short-overview.html">A few words about live session yesterday</a>
</h2>
<p class="news_item_date">
2016-09-26 00:00
</p>
<div class="news_item_contents">
<iframe width="560" height="315" src="https://www.youtube.com/embed/_t8TGhSgJG4" frameborder="0" allowfullscreen></iframe>
<p>Mahjong Solitaire was successfully created, and it took less than 4 hours.</p>
<p>We will publish live session materials later this week.</p>
<p>Thank you for joining us.</p>
<p>. . .</p>
</div>
<div class="news_item_more">
<a href="yesterdays-live-session-short-overview.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 4 of 7</p>
<p>

35
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@@ -30,6 +30,24 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="yesterdays-live-session-short-overview.html">A few words about live session yesterday</a>
</h2>
<p class="news_item_date">
2016-09-26 00:00
</p>
<div class="news_item_contents">
<iframe width="560" height="315" src="https://www.youtube.com/embed/_t8TGhSgJG4" frameborder="0" allowfullscreen></iframe>
<p>Mahjong Solitaire was successfully created, and it took less than 4 hours.</p>
<p>We will publish live session materials later this week.</p>
<p>Thank you for joining us.</p>
<p>. . .</p>
</div>
<div class="news_item_more">
<a href="yesterdays-live-session-short-overview.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="september-live-session-announcement-tomorrow.html">Live session is in 24 hours</a>
@@ -168,23 +186,6 @@ It's time to create simple Mahjong solitaire game.</p>
<a href="may-live-session-decision.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="rolling-ball.html">"Rolling ball" live session videos and downloads</a>
</h2>
<p class="news_item_date">
2016-02-10 00:00
</p>
<div class="news_item_contents">
<p>Since we held 2 live sessions to create "Rolling ball" game, here are 2 YouTube videos of the process:</p>
<iframe width="560" height="315" src="https://www.youtube.com/embed/70Jny1xJxK8" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="315" src="http://www.youtube.com/embed/851IlFT7y18" frameborder="0" allowfullscreen></iframe>
<p>"Rolling ball" game for Linux (Debian based), OS X (10.9+), Windows <a title="SourceForge" href="http://sourceforge.net/projects/osrpgcreation/files/Games/RollingBall/">is available at SourceForge</a>.. . .</p>
</div>
<div class="news_item_more">
<a href="rolling-ball.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 5 of 7</p>
<p>

33
en/news/index6.html
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@@ -30,6 +30,23 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="rolling-ball.html">"Rolling ball" live session videos and downloads</a>
</h2>
<p class="news_item_date">
2016-02-10 00:00
</p>
<div class="news_item_contents">
<p>Since we held 2 live sessions to create "Rolling ball" game, here are 2 YouTube videos of the process:</p>
<iframe width="560" height="315" src="https://www.youtube.com/embed/70Jny1xJxK8" frameborder="0" allowfullscreen></iframe>
<iframe width="560" height="315" src="http://www.youtube.com/embed/851IlFT7y18" frameborder="0" allowfullscreen></iframe>
<p>"Rolling ball" game for Linux (Debian based), OS X (10.9+), Windows <a title="SourceForge" href="http://sourceforge.net/projects/osrpgcreation/files/Games/RollingBall/">is available at SourceForge</a>.. . .</p>
</div>
<div class="news_item_more">
<a href="rolling-ball.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="rolling-ball-live-session-pt2.html">Game creation live session (part 2): 7 February 2016</a>
@@ -166,22 +183,6 @@
<a href="bye-desura-hello-humblebundle.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="test-chamber-for-everyone.html">Test chamber for everyone (Editor 0.7.0)</a>
</h2>
<p class="news_item_date">
2015-07-22 00:00
</p>
<div class="news_item_contents">
<p>As you know, the main goal of Editor 0.7.0 is the ability to create the <a title="Test chamber" href="https://youtu.be/9_6seUWcPbU" target="_blank">test chamber</a> with it. It needs Actions' system and a few stability fixes for that. We are going to publish a detailed article describing how to create the test chamber, too, so that anyone could create their own test chamber!</p>
<p>We estimate to complete it in October.</p>
<p>. . .</p>
</div>
<div class="news_item_more">
<a href="test-chamber-for-everyone.html">Continue reading</a>
</div>
</div>
<p class="pagination_title">Page 6 of 7</p>
<p>

16
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@@ -30,6 +30,22 @@
<center>
<h1>News</h1>
<div class="news_item">
<h2 class="news_item_title">
<a href="test-chamber-for-everyone.html">Test chamber for everyone (Editor 0.7.0)</a>
</h2>
<p class="news_item_date">
2015-07-22 00:00
</p>
<div class="news_item_contents">
<p>As you know, the main goal of Editor 0.7.0 is the ability to create the <a title="Test chamber" href="https://youtu.be/9_6seUWcPbU" target="_blank">test chamber</a> with it. It needs Actions' system and a few stability fixes for that. We are going to publish a detailed article describing how to create the test chamber, too, so that anyone could create their own test chamber!</p>
<p>We estimate to complete it in October.</p>
<p>. . .</p>
</div>
<div class="news_item_more">
<a href="test-chamber-for-everyone.html">Continue reading</a>
</div>
</div>
<div class="news_item">
<h2 class="news_item_title">
<a href="2015-roadmap.html">Roadmap for 2015-2016</a>

87
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@@ -0,0 +1,87 @@
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<h3 class="left_item_title">In the news...</h3>
<center>
<div class="news_item">
<h2 class="news_item_title">
<a href="llm-first-py-cxx.html">The first example of a portable code</a>
</h2>
<p class="news_item_date">
2024-04-11 00:00
</p>
<div class="news_item_contents">
<h1 id="supportedplatforms">Supported platforms</h1>
<p>To verify code portability, I selected the following platforms and languages:</p>
<ul>
<li>C++: Linux, macOS, OpenWrt, Windows</li>
<li>JavaScript: Chrome, Firefox, Safari</li>
<li>Kotlin: Android</li>
<li>Python: Linux, macOS, Windows</li>
<li>Swift: iOS, macOS</li>
</ul>
<p>I created a simple "Hello World" example for each language to understand the basic requirements of each platform.</p>
<p>By the way, OpenWrt turned out the most complex platform to create "Hello World" for, because my TP-Link TL-MR3020 r1 router is considered obsolete since 2018. I had to use the old 17.01.7 firmware, which took about three weeks.</p>
<h1 id="anchorlanguageandlimitedlanguagemodel">Anchor language and limited language model</h1>
<p>For the whole month I was asking myself the same question: "Which language should I choose as a starting point to convert to other languages from?" Initial considerations were pointing me to C++ due to strong types. However, as soon as I found out Python has Type hints, I chose Python.</p>
<p>Python is good because:</p>
<ul>
<li>one can specify a type with Type hints</li>
<li>Python has portability across Linux, macOS, Windows out of the box</li>
<li>pip simplifies distribution of the language conversion instrument</li>
<li>Python does not require a separate compilation step, which speeds up development</li>
</ul>
<p>However, not every Python code will suite the language conversion instrument under development. Only the code that satisfies the constraints of the <code>Limited language model</code>.</p>
<p>Limited language model is a subset of Python with various restrictions in both syntax and a set of available functions. Here is a glimpse of those restrictions, the image below depicts Python to C++ conversion result:</p>
<p><img src="../../images/2024_llm-first-py-cxx.jpg" alt="Python to C++ example" /></p>
<h1 id="aprilplans">April plans</h1>
<p>I'm going to write game logic for "Memory" in Python and convert it to C++ by the instrument under development.</p>
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