LLVM.JS (llvm.js)

Install

npm

npm i llvm.js

Note

URL npm

git

git clone https://github.com/llvm-js/llvm-project.git

Require

const llvm = require('llvm.js/llvm');
const exceptions = require('llvm.js/exceptions');
const expression = require('llvm.js/expression');
const codeGen = require('llvm.js/codegen');

Quick start

const llvm = require('llvm.js/llvm');
const language = new llvm.llvm();
// config (Optional)
let file_c = fs.readFileSync(src).toString('utf8').split('\n');
const lexer = new llvm.Lexer();
let ast = lexer.lexer(file_c);
// console.log(ast); // example
language.run(); // view the characteristics of the programming language and the project 

REPL

language.repl((data) => {
 console.log(data);
});

Example JavaScript compile

Windows

cd ./tests
node language.js

Input file:

// JavaScript --> AsmX MachineCode
let text = "Hello MachineCode AsmX!";
const example = 'this constant section';
// optimized
console.log('call 1');
console.log('call 2');

Output file:

segment variable:
 text: "Hello MachineCode AsmX!"
segment const:
 example: 'this constant section'
print:
 push 1ドル
 call 0x04
main code:
 mov 1ドル 'call 1'
 func print
 mov 1ドル 'call 2'
 func print

An example of using llvm.js in RunKit + npm

const fs = require('fs');
const Expression = require('llvm.js/expression');
const codeGen = require('llvm.js/codegen');
let expression = new Expression('2 + 4');
console.log(expression.answer());
codeGen.genSLFunction('print');
codeGen.callFunction('print', '1');
codeGen.codegen('output');
fs.readFileSync('output.bytex').toString('utf8');

6
print:
 push 1ドル
 call 0x04
main code:
 mov 1ドル 1
 func print

Documentation

@llvm.js/llvm

@llvm.js/codegen

@llvm.js/exceptions

@llvm.js/expression