Maven Compiler Package

The RIDE compiler is published as a Maven artefact so that it can be used from any JVM-based project.

In order to add the package as a project dependency, use:

For Maven
For Gradle
compile group: 'com.wavesplatform', name: 'lang', version: '1.0.0'
libraryDependencies += "com.wavesplatform" % "lang" % "1.0.0"

There's single entry point to the package, the Lang class. It currently contains two static methods:

  • compile compiles a program text to an opaque object representing the root of an abstract syntax tree.
  • serialize converts the compiled tree into bytecode, and returns a byte array.
Code example
    // compile the script
    String script = "let h = height; h > 100000";
    Terms.EXPR expr = Lang.compile(script);
    // prints: BLOCK(LET(h,REF(height)),FUNCTION_CALL(Native(102),List(REF(h), CONST_LONG(100000))))

    // now produce bytecode for the compiled script
    byte[] bytes = Lang.serialize(expr);

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