[Wasm] Add uninstantiated MJS wrapper

It allows * Custom imports * Ability to skip initializer
2022-12-23 16:02:23 +01:00
parent 3bbd8c291a
commit dd53998c2d
6 changed files with 190 additions and 59 deletions
@@ -0,0 +1,51 @@
+// TARGET_BACKEND: WASM
+
+// FILE: wasmImport.kt
+import kotlin.wasm.WasmImport
+
+@WasmImport("foo")
+external fun inc1(x: Int): Int
+
+@WasmImport("~!@#\$%^&*()_+`-={}|[]\\\\:\\\";'<>?,./", "inc2")
+external fun inc2(x: Int): Int
+
+@WasmImport("./bar.mjs", "inc3")
+external fun inc3(x: Int): Int
+
+@JsExport
+fun myBox(): String {
+    if (inc1(5) != 6) return "KFail1"
+    if (inc2(5) != 6) return "KFail2"
+    if (inc3(5) != 6) return "KFail3"
+    return "OK"
+}
+
+var initialized: Int = 0
+
+@JsExport
+fun getInitialized(): Int = initialized
+
+fun main() {
+    initialized = 100
+}
+
+// FILE: entry.mjs
+import { instantiate } from "./index.uninstantiated.mjs";
+
+let inc = x => x + 1;
+
+let imports = {
+    "foo": { inc1 : inc },
+    "~!@#\$%^&*()_+\`-={}|[]\\\\:\\\";'<>?,./" : { inc2 : inc },
+    "./bar.mjs" : { inc3 : inc },
+}
+
+let { exports } = await instantiate(imports);
+
+if (exports.getInitialized() !== 100) {
+    throw "Fail1"
+}
+
+if (exports.myBox() != "OK") {
+    throw "Fail2"
+}