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Search found 35 results on 2 pages for 'squeak'.

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• Is Pharo just a repackaging/rebranding of Squeak?

  - by number5

  I'm trying to learn some Smalltalk. Fisrt found was Squeak, but since it has been removed from Gentoo ebuild tree because of security problem, so I decided to find an alternative. Then I found Pharo through Seaside project, after I downloaded Pharo 1.0 package, there are actually a SqueakVM inside! So, my question is: Is Pharo just a…

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• Create New Pseudo Variables in Squeak

  - by Artium

  Large part of squeak is implemented using squeak itself. I am curious to know if pseudo variables such as self or true are also implemented using squeak. If the answer is yes, where the implementation located? Specifically, assume that I want to add new subclass of "Boolean" called "Other" which will represent a third option: neither…

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• Invoking shell commands from Squeak or Pharo

  - by squeaknewb

  How can you invoke shell commands from Squeak and Pharo? Do these environments have anything in them like the system() function in certain unix languages to run external shell commands, or the backticks (can't make them here do to the editor, but what you get when you push the key left of "1" and above "TAB") to capture the output of…

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• Using Squeak from a shell

  - by Vijay Mathew

  Can I launch Squeak as a REPL (no GUI), where I can enter and evaluate Smalltalk expressions? I know the default image don't allow this. Is there any documentation on how to build a minimum image that can be accessed from a command-line shell?

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• How to Retrieve Method's Signature in Squeak

  - by Artium

  printThisMethodSig: aSomething stack := thisContext stackOfSize: 2. Transcript show: (stack at: 2); cr. stack at: 2 returns the method context of the current method. It is possible to retrieve the compiled method of the current method using method message. I want to be able to print the whole signature of the method, for example:…

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• Squeak - SUnit Testing for Errors

  - by Artium

  I have been suggested to use should:rise in my test case to test for errors that a method might raise. For some reason it does not work as axpected, so I want to verify that I'm doing it right. Here is the code in the test case: self should: [aMyClass compareTo: 'This is a string'] raise: 'invalid input'. My compareTo/1 method…

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• Pharo 1.0, un environnement open-source dérivé de Squeak simple et épuré pour se mettre à Smalltalk

  Pharo 1.0, un environnement open-source dérivé de Squeak Simple et épuré pour se mettre à Smalltalk Comme vous le savez, Smalltalk est un langage interprété. Pour s'y mettre, il existe plusieurs environnements, comme Visualworks, ou un des plus connus : Squeak. Mais le moins que l'on puisse dire, c'est que Squeak ne fait…

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• How do I compare between ByteString and ByteSymbol in squeak?

  - by Guy

  Hi, I want to execute the following code: methodName := thisContext sender method selector. aClass selectors do: [:current | current == methodName ifTrue: aBlock]. Although the strings are equal, it never steps into the "ifTrue", I've tried converting both of them to ByteArray\String and it steel didn't work. Any ideas…

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• How do I get the value of a class variable in squeak?

  - by Guy

  Hi, I have a string that contains the name of a class variable that I know exists for class A. I need to get the value of this variable (i.e. dereferencing), how do I do it?

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• How do I get the name of the current method in squeak?

  - by Guy

  Hi! As stated above - I need to find the current method's name in runtime. how do I do this?

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• Pharo/Squeak and GemStone?

  - by Friedrich

  May I ask who has used this combination and how good that has worked? What about ease of deployment also? Especially interesting would be in conjunction with either Seaside or Aida/Web...

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• Error when running debuild on package source

  - by Chris Wilson

  I'm attempting to build the squeak-vm source but am getting an error every time I do so. The output is: dpkg-buildpackage -rfakeroot -D -us -uc dpkg-buildpackage: export CFLAGS from dpkg-buildflags (origin: vendor): -g -O2 dpkg-buildpackage: export CPPFLAGS from dpkg-buildflags (origin: vendor): dpkg-buildpackage: export…

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• How can I get all the methods in a Protocol?

  - by jdinuncio

  Hello, How can I get a collection of all the (class) methods in a given protocol in smalltalk/squeak/pharo? I'm trying to collect the values returned by a group of methods. I don't want to have to store the methods in an instance or class variable. So I though I could add them to a protocol and in this way to "mark"…

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• I need a dictionary-like mapping between characters and other kinds of objects. Which class would be

  - by nullPointerException

  This is in Squeak/Pharo. If I want to have a mapping between Character objects like $a and $b to other kinds of objects, and want to look up those other objects based on the Character, what is the best class to use? Dictionary is an obvious choice, but seems wasteful to be hashing character objects which are basically…

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• HowTo make a marching ants border in Morphic?

  - by Helene Bilbo

  I am looking for a marching ants border or line in Morphic: Wikipedia describes a possbile algorithm: The easiest way to achieve this animation is by drawing the selection using a pen pattern that contains diagonal lines. If the selection outline is only one pixel thick, the slices out of the pattern will then…

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• Could SqueakNOS or PharoNOS made to run an iPhone or iPad to Form a DynaBook?

  - by Richard Durr

  Not considering legal issues I would be very interested if it would be possible to run one of those on the bare metal of the iPad/Phone ARM-Architecture.

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• How to insert an image into a PolygonMorph?

  - by hanneswurstes

  I need to get a texture into a PolygonMorph, but these seem to require an InfiniteForm as color/ filling. The InfiniteForm is no solution as i need to rotate the PolygonMorph later on and moving the PolygonMorph around also has sideeffects on the displayed texture. It would be very useful if it would be possible…

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• Have you ever used a non mainstream language in a project? Why?

  - by EpsilonVector

  I was thinking about my academic experience with Smalltalk (well, Squeak) a while ago and whether I would like to use it for something, and it got me thinking: sure, it's as good and capable as any popular language, and it has some nice ideas, but there are certain languages that are already well entrenched in…

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• Have you ever done a project using a languages that is not the mainstream choice for the specific niche of the project? Why?

  - by EpsilonVector

  I was thinking about my academic experience with Smalltalk (well, Squeak) a while ago and whether I would like to use it for something, and it got me thinking: sure, it's as good and capable as any popular language, and it has some nice ideas, but there are certain languages that are already well entrenched in…

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• What almost unknown programming language of 21st century a programmer should be introduced to?

  - by bigown

  Which languages almost nobody talks about but has some interesting features or concepts? It must satisfy the following 2 criteria: It must have been created in 2000 or later. Ex.: REBOL, Squeak, Oberon, etc. are out. It can't have some fame among programmers. Ex.: Groovy, C#, Scala, Go, Clojure, D, etc are…

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• Run Smalltalk on server without GUI?

  - by Damir Horvat

  Hi! I've got rather distinct question - I'd like to run Smalltalk on a production server without using graphical interface. Is this possible with VW or Pharo (maybe even Squeak)? I've got a VPS hosting without X and would like to have few websites running on Smalltalk, while developing them localy with…

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• GNU Smalltalk text interface hard to use

  - by None

  I built GNU Smalltalk from source on my Mac because I couldn't get it working using fink and I found VMs like Squeak hard to understand. When I run the gst command it works fine, but unlike command line interfaces such the Python and Lua ones, it is hard to use because when I use the left or right arrow…

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• Is there a way in a message-only language to define a whileTrue message without recursion or compile

  - by Richard Durr

  Smalltalk has the whileTrue:-Message implemented through recursion (in VisualWorks) or through compiler-inlining (in Squeak/Pharo). Is there a way to define such a method without using one of them? If not, is there a proof for that avaiable somewhere?

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• MacBook makes a noise from the MagSafe connection every time I flip a widget...

  - by Timmy

  OK this is bizarre. But basically, what happens is on my MacBook (latest model) whenever I 'flip' a Dashboard Widget I hear a little noise for the duration of the flip: like a tiny continuous squeak noise. It's quite strange. However, it only ever happens when the MagSafe cable is plugged in. WHY?!…

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• MacBook makes a noise from the power adapter every time I flip a widget...

  - by Timmy

  OK this is bizarre. But basically, what happens is on my MacBook (latest model) whenever I 'flip' a Dashboard Widget I hear a little noise for the duration of the flip: like a tiny continuous squeak noise. It's quite strange. However, it only ever happens when the MagSafe cable is plugged in. WHY?!…

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