import binaryen from "binaryen";
import process from "process";
import fs from "fs";

if (process.argv.length < 3) {
    console.error("cannot find wasmcode, Usage: node dump_wasm_symbo.mjs <your_minigame_dir>");
    process.exit(-1);
}
let dir = process.argv[2];
if (!dir.endsWith("/")) {
    dir += "/";
}
let bin = fs.readFileSync(dir + "webgl/Build/webgl.wasm");
binaryen.then(function(binaryenOb){
    let mod = binaryenOb.readBinary(bin);
    let symbols = {};
    for (let i = 0; i < mod.getNumFunctions(); ++i) {
        let ref = mod.getFunctionByIndex(i);
        let func = binaryenOb.getFunctionInfo(ref);
        symbols[i] = func.name;
    }
    fs.writeFileSync(dir + "minigame/webgl.wasm.symbols.unityweb", JSON.stringify(symbols));
})