How to use binaryen - 10 common examples
To help you get started, we’ve selected a few binaryen examples, based on popular ways it is used in public projects.
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Binaryen=require('binaryen')
// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;
// const buffer = new Uint8Array(arrayBuffer);
wasm.setMemory(1, 256, "mem", [{
offset: int(10),
data: str("hello, world")
}]);Binaryen=require('binaryen')
// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;
// const buffer = new Uint8Array(arrayBuffer);
wasm.setMemory(1, 256, "mem", [{
offset: int(10),
data: str("hello, world")
}]);Binaryen=require('binaryen')
// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;
// const buffer = new Uint8Array(arrayBuffer);
wasm.setMemory(1, 256, "mem", [{
offset: int(10),
data: str("hello, world")// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;
// const buffer = new Uint8Array(arrayBuffer);
wasm.setMemory(1, 256, "mem", [{
offset: int(10),
data: str("hello, world")
}]);
// Create a function type for i32 (i32, i32) (i.e., return i32, pass two
// i32 params)
// const iii = wasm.addFunctionType('iii', i32, [i32, i32]);
const _void_ = _v_ = wasm.addFunctionType("v", none, []);
const vI = wasm.addFunctionType("vI", i32, []);
const iV = wasm.addFunctionType("iV",none , [i32]);Binaryen=require('binaryen')
// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;Binaryen=require('binaryen')
// Binaryen.setAPITracing(true)
// Binaryen.setAPITracing(false)
let wasm = mod = new Binaryen.Module();
let int=wasm.i32.const
let float=wasm.f32.const
let f32 = Binaryen.f32;
const i32=Binaryen.i32
const int32=Binaryen.i32
const chars=Binaryen.i32
const I32=wasm.i32
const local=wasm.getLocal
// const fun=wasm.addFunction
const add = I32.add
const sub = I32.sub
let none = Binaryen.None;
str=(x)=>x.split('').map(function(x) { return x.charCodeAt(0) })
// const memory = new WebAssembly.Memory({ initial: 10 });
// const arrayBuffer = memory.buffer;
// const buffer = new Uint8Array(arrayBuffer);
wasm.setMemory(1, 256, "mem", [{
offset: int(10),function wast(input) {
Binaryen = require('binaryen.js')
module = new Binaryen.Module(input)
const parser = require('wast-parser'); // NON-OFFICIAL TOY!
let ast = parser.parse(input)
wasm_buffer = Binaryen.compileWast(wast)
// module=await WebAssembly.compile(wasm_buffer)
// instance=await WebAssembly.instantiate(module)
// instance.exports.addTwo(1,2)
}function wast(input) {
Binaryen = require('binaryen.js')
module = new Binaryen.Module(input)
const parser = require('wast-parser'); // NON-OFFICIAL TOY!
let ast = parser.parse(input)
wasm_buffer = Binaryen.compileWast(wast)
// module=await WebAssembly.compile(wasm_buffer)
// instance=await WebAssembly.instantiate(module)
// instance.exports.addTwo(1,2)
}logi=x=>wasm.callImport("logi", [x], Binaryen.None)function optimize(originalBuffer) {
var module = Binaryen.readBinary(originalBuffer);
module.optimize();
var optimizedBuffer = module.emitBinary();
return Buffer.from(optimizedBuffer);
}binaryen
Browser & Node.js builds of Binaryen, a compiler infrastructure and toolchain library for WebAssembly.
