binaryen.js/tests/example.js at dcodeIO-patch-3 · AssemblyScript/binaryen.js · GitHub

33 lines (27 loc) · 933 Bytes

import binaryen from "../index.js";

// Create a module with a single function

var myModule = new binaryen.Module();

myModule.addFunction("add", binaryen.createType([ binaryen.i32, binaryen.i32 ]), binaryen.i32, [ binaryen.i32 ],

myModule.block(null, [

myModule.local.set(2,

myModule.i32.add(

myModule.local.get(0, binaryen.i32),

myModule.local.get(1, binaryen.i32)

)

myModule.return(

myModule.local.get(2, binaryen.i32)

)

])

);

myModule.addFunctionExport("add", "add");

// Optimize the module using default passes and levels

myModule.optimize();

// Validate the module

if (!myModule.validate())

throw new Error("validation error");

// Generate text format and binary

var textData = myModule.emitText();

var wasmData = myModule.emitBinary();

console.log(textData);

console.log("1 + 2 = " + new WebAssembly.Instance(new WebAssembly.Module(wasmData)).exports.add(1, 2));

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