Kawa | Scheme language , the Kawa framework
kandi X-RAY | Kawa Summary
kandi X-RAY | Kawa Summary
Kawa is an implementation of the Scheme programming language. It is implemented in Java, and compiles Scheme into Java byte-codes. The Kawa home page is: [This explains how to build, install, and use Kawa. A copy of the documentation is in the doc directory. See [for recent changes. Kawa's copyright is in the file COPYING.
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Community Discussions
Trending Discussions on Kawa
QUESTION
I made blocks that when you click on them they are turning around. Well.. it works,but as always there is gonna be a but. First click is working propetly, but second one makes block turn around very quick and then it comes back to default position. After I clicked once problem is gone. I gotta do it with every single block. here's a link, but you have to insert jquery library (it is above js code)
...ANSWER
Answered 2022-Mar-09 at 16:24You have been using a variable checkClick
that is global to all your blocks, which can only make things complicated. When you click on one block, it updates its value for all the others.
You need to store the state of a block within the block itself (as a class for example).
The modification I came up with is this :
QUESTION
I've been trying to employ Kawa Scheme for developing Android project. I've found two repositories on GitHub: one called 'android-kawa', and another called 'KawaDroid'. They're both a bit dated (last updates were around 2012). In the case of 'android-kawa' I was able to reach the author, but he said he did't remeber enough to help me.
In the 'android-kawa' repo there's a bunch of scripts for setting up and working with the project. One of the scripts downloads the Kawa 1.13 tarball, applies some patches and then attempts to build it.
However, the build isn't supported in Termux, bevaise the config.guess
script doesn't recognize the system. This issue can be easily resolved by downloading the latest versions of config.guess
and config.sub
.
Another problem is the format of the JVM bytecode. When I use the latest Java compiler, the generated bytecode contains (I believe) instructions for JVM8+, which aren't supported by the dx
command. This isn't a problem if I run Java inside of Termux, because it installs the regular JVM, but if I want to include the Kawa jar
in my APK (which is something that I want), then it becomes an obstacle.
This, again, can be resolved by forcing the Java version to 7 in javac
. (But then, the compiler complsins that Java 1.7 is deprecated. I guess this is why the buildAPKs project uses ecj
instead of javac
)
Also, when I ./configure
Kawa, I can pass it the path to the android.jar
file (./configure --with-android=...
). I have two android.jar
files on my system:
ANSWER
Answered 2021-Sep-27 at 14:08It turned out that I have invoked Java incorrectly, and that it didn't see the android.jar
file. It helped to invoke the compiler in the following way:
QUESTION
Let's say I have this list, webinars
, with sublists in it.
ANSWER
Answered 2021-Apr-06 at 15:15I'd first construct a set of healthinars names, then iterate over all webinars to check if their name is in the healthinars name set:
QUESTION
I have problem with my code, I'm not able to save newline using binary port, I want to write unit test for my Scheme implementation but I'm not able to figure out why I got this results also in Gambit and Kawa (Gauche and Guile fail to run the code, because of missing procedures).
...ANSWER
Answered 2021-Mar-06 at 13:27A newline is saved into the file: checking the file with od
or something will show you that.
However your logic reading the file is incorrect: you never do anything with the last character you read. If you instead wrote (say)
QUESTION
I am trying to get this html, but there is no class name. How could I do that?
That is my code in R:
...ANSWER
Answered 2021-Feb-05 at 13:29I prefer using xpath to parse htmls:
QUESTION
I've written Scheme REPL that works in all implementations I've tested, but have problem when when someone press enter and don't type anything.
...ANSWER
Answered 2021-Jan-11 at 11:47I was able to fix my REPL:
QUESTION
I'm playing with Scheme I want to run something like this:
...ANSWER
Answered 2020-Nov-12 at 12:31I tried it with mit-scheme
but I suspect in the other versions of scheme the meaning of reduce
is identical.
QUESTION
I have Scheme interpreter in JavaScript called LIPS. I have executable file, it works in terminal emulator but it's broken in GNU Emacs inferior mode (using run-scheme
function).
I've reproduced the issue with this simple Node.js REPL using Readline:
...ANSWER
Answered 2020-Apr-26 at 13:47Got answer in Emacs devel mailing list, the solution is to turn off readline when inside Emacs:
QUESTION
I have one more questions about Hygienic macros in Scheme, consider example from R5RS
...ANSWER
Answered 2020-Apr-13 at 21:42Yes. It is very non lispy that we have a modifier ...
that changes the meaning of element in front. eg. something ...
is basically similar to . something
except it works with structures like this:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Kawa
You can use Kawa like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Kawa component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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