FilesExpand file tree

switchflow

/

update-constants.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

29 lines (26 loc) · 1.05 KB

switchflow

/

update-constants.js

Copy path

Top

File metadata and controls

• Code
• Blame

29 lines (26 loc) · 1.05 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

// Updates the Binaryen constants in src/module.ts

import fs from "fs";

import path from "path";

import { fileURLToPath } from "url";

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

const __dirname = path.dirname(fileURLToPath(import.meta.url));

const srcfile = path.join(__dirname, "..", "src", "module.ts");

let src = fs.readFileSync(srcfile, "utf8")

.replace(/(?:enum|namespace) (\w+) \{([^}]*)\}/g, function($0) {

return $0.replace(/(\w+)[ ]+=[ ]+([^,;\n]+)/g, function($0, key, val) {

// ignore values which have runtime assignments

if (val.startsWith("binaryen.")) {

return $0;

}

let match = val.match(/\b(_(?:Binaryen|Relooper|ExpressionRunner|TypeBuilder)\w+)\b/);

if (match) {

let fn = match[1];

if (typeof binaryen[fn] !== "function") throw Error("API mismatch on '" + fn + "': Is Binaryen up to date?");

let id = binaryen[fn]();

console.log(fn + " = " + id);

return key + " = " + id + " /* " + fn + " */";

}

return $0;

});

});

fs.writeFileSync(srcfile, src, "utf8");