Coverage Summary for Class: WasmKt (dev.suresh.wasm)

 package dev.suresh.wasm
 
 import com.dylibso.chicory.compiler.MachineFactoryCompiler
 import com.dylibso.chicory.runtime.HostFunction
 import com.dylibso.chicory.runtime.Instance
 import com.dylibso.chicory.wasm.Parser
 import com.dylibso.chicory.wasm.types.FunctionType
 import com.dylibso.chicory.wasm.types.ValType
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 
 /**
  * More wasm modules can be found in
  * - [wasm-corpus](https://github.com/dylibso/chicory/tree/main/wasm-corpus/src/main/resources/compiled)
  * - [extism](https://github.com/extism/plugins/releases)
  */
 val factWasmInst: Instance by lazy {
   val wasmRes = Thread.currentThread().contextClassLoader.getResourceAsStream("wasm/factorial.wasm")
   // val wasmRes = object {}.javaClass.getResourceAsStream("wasm/factorial.wasm")
   val wasmMod = Parser.parse(wasmRes)
   Instance.builder(wasmMod).withMachineFactory(MachineFactoryCompiler::compile).build()
 }
 
 fun Routing.wasm() {
   route("/wasm") {
     get("fact") {
       val num = call.parameters["num"]?.toLongOrNull() ?: 5
 
       val iterFact = factWasmInst.export("iterFact")
       val fact = iterFact.apply(num)[0]
 
       call.respondText("WASM: Factorial($num): $fact")
     }
   }
 }
 
 fun logFunction() =
     HostFunction(
         "console", "log", FunctionType.of(listOf(ValType.I32, ValType.I32), emptyList())) {
             instance,
             args ->
           val msg = instance.memory().readString(args[0].toInt(), args[1].toInt())
           println("WASM: $msg")
           // Value.i32(0)
           longArrayOf()
         }