<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style="font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 10pt;"><div>Hi Eliot</div><div><br></div><div style="" data-zbluepencil-ignore="true" class="zmail_extra"><br><div id="Zm-_Id_-Sgn1">---- On Thu, 01 Oct 2020 11:07:08 -0400 <b>Eliot Miranda <eliot.miranda@gmail.com></b> wrote ----<br></div><br><blockquote style="border-left: 1px solid rgb(204, 204, 204); padding-left: 6px; margin: 0px 0px 0px 5px;"><div dir="auto">Hi Tty,<div dir="ltr"><br><blockquote>On Oct 1, 2020, at 2:33 AM, gettimothy via Squeak-dev <<a href="mailto:squeak-dev@lists.squeakfoundation.org" target="_blank">squeak-dev@lists.squeakfoundation.org</a>> wrote:<br><br></blockquote></div><blockquote><div dir="ltr"><div style="font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 10.0pt;"><div>Hi folks.<br></div><div><br></div><div>Has anybody coded a way , using plain text, to output a <br></div><div><br></div><div><a href="https://en.wikipedia.org/wiki/Abstract_syntax_tree" target="_blank">https://en.wikipedia.org/wiki/Abstract_syntax_tree</a><br></div><div><br></div><div>to a workspace?<br></div><div><br></div><div>It would be a handy debug tool if so.<br></div></div></div></blockquote><div><br></div>An infinitely better way would be to port the Rossal visualisation system. I’ve talked with Alexandre and he says Rossal is designed with portability in mind (it currently runs on Pharo and BisyalWorks and predates Pharo’s current imaging model). This would give you a graphical representation of the entire tree, with the ability to attach behaviour to elements of the representation.<div><br><blockquote><div dir="ltr"><div style="font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 10.0pt;"><div>thx<br></div></div></div></blockquote></div></div></blockquote><div>I would love too, Rossal is intriguing.<br></div><div><br></div><div>IIRC , "Mr. Feenk" and the board had a thread recently about "what it would take to make Rossal work on Squeak" and the discussion decided on waiting on everybody having a block of time to make that happen.<br></div><div><br></div><div>Here is a cut-n-paste of that email, I saved it for future reference:<br></div><div><br></div><div><blockquote style="border: 1px solid rgb(204, 204, 204); padding: 7px; background-color: rgb(245, 245, 245);"><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Hi,</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Currently, at feenk we have feenkcom/opensmalltalk-vm:</span><br></div><div><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/feenkcom/opensmalltalk-vm" target="_blank">https://github.com/feenkcom/opensmalltalk-vm</a><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">This is a small fork of the headless branch from pharo-project/opensmalltalk-vm that appeared out of practical necessities, but that we would like to avoid having. This post briefly describes the changes in the feenkcom/opensmalltalk-vm repo and the functionality those changes provide for Glamorous Toolkit.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">For Glamorous Toolkit we aimed for the following functionality:</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> • Open the GUI natively and have native display quality (GUI opened through FFI calls)</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> • Have a Glamorous Toolkit app for Mac OS that works as any other apps for Mac OS</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> • Create end-user applications that are fully customisable (executable name, menus, etc)</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> • Use Github actions for doing all compilations of external libraries and the vm instead of Travis CI.</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> • Have Iceberg running in native windows (which requires nested FFI callbacks)</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">There has been work on these issues in both OpenSmalltalk/opensmalltalk-vm and pharo-project/opensmalltalk-vm but they were not entirely addressed. We needed to have something reliable a few months ago, and forking and doing some quick changes made that possible.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Ideally we want to be able to run Glamorous Toolkit on both OpenSmalltalk/opensmalltalk-vm and pharo-project/opensmalltalk-vm.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">To have native GUIs we relied on Ronie Salgado’s work on the headless vm and started with pharo-project/opensmalltalk-vm - headless branch:</span><br></div><div><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/pharo-project/opensmalltalk-vm/tree/headless" target="_blank">https://github.com/pharo-project/opensmalltalk-vm/tree/headless</a><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">That provided a solution for opening the GUI from the image through FFI calls. Currently we use Glutin (a library for OpenGL context creation, written in pure Rust) and this made it possible to run the entire Glamorous Toolkit inside a callback.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">On macOS when running an app, even a notarized one, the OS warns the user that the app is downloaded from the internet, and the user needs to confirm that they agree. Once the user agrees the app should automatically start. This is not currently possible with Pharo apps (for example PharoLaunched.app) and users have to again run the app manually after giving permission. Also Gatekeeper in macOS runs applications downloaded from zips in a randomized read-only DMG. We do not want this behaviour as users not copying Glamorous Toolkit to the Applications folder on macOS would then experience incorrect application behaviour.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">To create end-user applications we also need to fully customize the executable name (what the user sees in the Task Runner/Activity monitor), icons, native menus. Part of this work is already integrated in the pharo-project/opensmalltalk-vm - headless branch (Customizing the OS X icons, Brand the VM executable and package).</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Since last year Github offers Github Actions similar to Travis. We found it much easier to use than Travis for external libraries and the vm. Also we get to manage the code and the builds in the same place. This work is already integrated in the pharo-project/opensmalltalk-vm - headless branch (Build the VM under GitHub actions:<span> </span></span><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/pharo-project/opensmalltalk-vm/pull/56" target="_blank">https://github.com/pharo-project/opensmalltalk-vm/pull/56</a><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">).</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">The issues related to running Iceberg is a bit more technical. By moving to the headless vm we are running the entire image computation inside a callback from Glutin (</span><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/rust-windowing/glutin/" target="_blank">https://github.com/rust-windowing/glutin/</a><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">). When using Iceberg we get nested callbacks which we could not get to work using Alien. Instead we are using the ThreadedFFI Plugin and running all callback from Iceberg and Glutin using the Threaded FFI plugin (</span><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/pharo-project/threadedFFI-Plugin" target="_blank">https://github.com/pharo-project/threadedFFI-Plugin</a><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">). Currently we have a small fork of this plugin (feenkcom/threadedFFI-Plugin) and we also ship a custom plugin with the VM to fix a race condition due to having two copies of the callback stack (a pull request is here:<span> </span></span><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/pharo-project/threadedFFI-Plugin/pull/17" target="_blank">https://github.com/pharo-project/threadedFFI-Plugin/pull/17</a><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">).</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">While not specific to our environment, openssl1.0 is no longer supported, and we are seeing users who are unable to run Pharo due to version conflicts, as reported in<span> </span></span><a style="color: rgb(89, 143, 222); cursor: pointer; font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" href="https://github.com/pharo-project/opensmalltalk-vm/issues/62" target="_blank">https://github.com/pharo-project/opensmalltalk-vm/issues/62</a><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">.</span><br></div><div><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">To sum up, a fork was the easiest way to get all this running. Now some changes are already in the pharo-project/opensmalltalk-vm - headless branch. What we are still missing are the changes that get the VM to work nicely with Mac OS and a bug fix in ThreadedFFI.</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">We would also love it to have all these changes integrated in OpenSmalltalk/opensmalltalk-vm in the headless vm. This requires additional coordination as the required changes are somewhat deeper.</span><br></div><div><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Please let us know you would prefer to coordinate.</span><br></div><div><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Cheers,</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Tudor, on behalf of the feenk team</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">--</span><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">feenk.com</span><br></div><div><br></div><div><span style="color: rgb(0, 0, 0); font-family: Lato; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">"The coherence of a trip is given by the clearness of the goal."</span><br></div></blockquote></div></div><div><br></div><div dir="ltr">If these things have already happened, I can push (most) other projects down the stack and take this up part-time. Let me know.<br></div><div dir="ltr"><br></div><div dir="ltr">If not, I briefly looked into piping output to graphviz via OSProcess .<br></div><div dir="ltr"><br></div><div dir="ltr">Regardless, the tool would be invaluable in groking / debugging the PEG grammars.<br></div><div dir="ltr"><br></div><div dir="ltr"><br></div><div dir="ltr">cheers,<br></div><div dir="ltr"><br></div><div dir="ltr">t</div><div dir="ltr"><br></div><div dir="ltr"><br></div><div><br></div><div><br></div></div><br></body></html>