tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

delazify-findScript-parameterNames.js (911B)

      1 function testDelazify(i) {
      2  var g = newGlobal({ newCompartment: true });
      3  var dbg = new Debugger(g);
      4 
      5  dbg.onDebuggerStatement = (frame) => {
      6    var allScripts = dbg.findScripts();
      7    var j = 0;
      8    for (let script of allScripts) {
      9      if (i == -1 || i == j) {
     10        // Delazify.
     11        try {
     12          script.parameterNames;
     13        } catch (e) {
     14        }
     15      }
     16      j++;
     17    }
     18  };
     19 
     20  var cache = cacheEntry(`
     21 function f(
     22  a = (
     23    b = (
     24      c = function g() {
     25      },
     26    ) => {
     27    },
     28    d = (
     29      e = (
     30        f = (
     31        ) => {
     32        },
     33      ) => {
     34      },
     35    ) => {
     36    },
     37  ) => {
     38  },
     39 ) {
     40 }
     41 debugger;
     42 `);
     43 
     44  evaluate(cache, { global: g, saveBytecodeWithDelazifications: true });
     45  evaluate(cache, { global: g, loadBytecode: true });
     46 }
     47 
     48 // Delazify all.
     49 testDelazify(-1);
     50 
     51 // Delazify specific function and its ancestor.
     52 for (var i = 0; i < 30; i++) {
     53  testDelazify(i);
     54 }