bindings-graalvm241-wasip1/at.released.weh.bindings.graalvm241.wasip1/GraalvmWasiPreview1Builder

GraalvmWasiPreview1Builder

class GraalvmWasiPreview1Builder(source)

WASI Preview 1 host function installer.

Sets up WebAssembly WASI Preview 1 WebAssembly module in GraalWASM Context.

Usage example:

val source = Source.newBuilder("wasm", ByteSequence.create(wasmFile), "proc").build()
Context.newBuilder().engine(engine).build().use { context ->
    context.initialize("wasm")
    GraalvmWasiPreview1Builder {
        host = embedderHost // setup host
    }.build(context)
    context.eval(source)

    val startFunc = context.getBindings("wasm").getMember("proc").getMember("_start")
    startFunc.execute()
    try {
         startFunction.execute()
     } catch (re: PolyglotException) {
         if (re.message?.startsWith("Program exited with status code") == false) {
             throw re
         }
         Unit
    }
}