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75 lines
3.3 KiB
Markdown
75 lines
3.3 KiB
Markdown
# TeaVM
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[](https://maven-badges.herokuapp.com/maven-central/org.teavm/teavm-maven-plugin)
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[](https://teavm.org/maven/_latest)
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[](https://gitter.im/teavm/Lobby)
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See documentation at the [project web site](https://teavm.org/).
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Useful links:
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* [Getting started](https://teavm.org/docs/intro/getting-started.html)
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* [Gallery](https://teavm.org/gallery.html)
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* [Site source code repository](https://github.com/konsoletyper/teavm-site)
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* [Discussion on Google Groups](https://groups.google.com/forum/#!forum/teavm)
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## Building TeaVM
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Simply clone source code (`git clone https://github.com/konsoletyper/teavm.git`)
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and run Gradle build (`./gradlew publishToMavenLocal` or `gradlew.bat publishToMavenLocal`).
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You should build samples separately, as described in [corresponding readme file](samples/README.md).
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### Useful Gradle tasks
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* `:tools:classlib-comparison-gen:build` – build Java class library compatibility report.
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result is available at: `tools/classlib-comparison-gen/build/jcl-support`
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## Embedding TeaVM
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If you are not satisfied with Maven, you can embed TeaVM in your program
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or even create your own plugin for any build tool, like Ant or Gradle.
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The starting point for you may be `org.teavm.tooling.TeaVMTool` class from `teavm-tooling` artifact.
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You may want to go deeper and use `org.teavm.vm.TeaVM` from `teavm-core` artifact, learn how `TeaVMTool` initializes it.
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To learn how to use `TeaVMTool` class itself, find its usages across project source code.
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You most likely encounter Maven and IDEA plugins.
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Please, notice that these APIs for embedding are still unstable and may change between versions.
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## WebAssembly
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WebAssembly support is in experimental status. It may lack major features available in JavaScript backend.
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There's no documentation yet, and you should do many things by hands
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(like embedding generated `wasm` file into your page, importing JavaScript objects, etc).
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Look at [samples/benchmark](https://github.com/konsoletyper/teavm/blob/master/samples/benchmark/) module.
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You should first examine `pom.xml` file to learn how to build `wasm` file from Java.
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Then you may want to examine `index-teavm.html` and `index-teavm.js`
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to learn how to embed WebAssembly into your web page.
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## License
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TeaVM is distributed under [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0).
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TeaVM does not rely on OpenJDK or code or other (L)GPL code.
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TeaVM has its own reimplementation of Java class library, which is either implemented from scratch or
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based on non-(L)GPL projects:
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* [Apache Harmony](https://harmony.apache.org/) (Apache 2.0)
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* [Joda-Time](https://github.com/JodaOrg/joda-time) (Apache 2.0)
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* [jzlib](https://github.com/ymnk/jzlib) (BSD style license)
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If you want to contribute code to implementation of Java class library,
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please make sure it's not based on OpenJDK or other code licensed under (L)GPL.
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## Feedback
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More information is available at the official site: https://teavm.org.
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Ask your questions by email: info@teavm.org. Also, you can report issues on a project's
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[issue tracker](https://github.com/konsoletyper/teavm/issues).
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