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39 lines
1.2 KiB
Markdown
39 lines
1.2 KiB
Markdown
JWebAssembly
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======
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[](https://travis-ci.org/i-net-software/JWebAssembly)
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[](https://github.com/i-net-software/jwebassembly/blob/master/LICENSE.txt)
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JWebAssembly is a Java to [WebAssembly](http://webassembly.org/) Compiler. It uses Java class files as input.
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Status of the project
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----
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Currently it is only a proof of concept.
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Future Features
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----
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In the future there should be a Gradle plugin to easy integrate it in the build process and a Eclipse build command to see compiler errors in in the IDE.
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Required Java Version
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----
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JWebAssembly requires Java SE 8 or higher. It is tested with Java SE 8 on [travis-ci.org](https://travis-ci.org/i-net-software/jwebassembly).
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## Usage
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### Exporting functions
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To export a function to make it accessible from JavaScript you need add the annotation org.webassembly.annotation.Export
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```java
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import org.webassembly.annotation.Export;
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@Export
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public static int add( int a, int b ) {
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return a + b;
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}
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```
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### Java Limits
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In version 1 of WebAssembly you can compile only:
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* static methods
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* use the data types int, long float and double
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