tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Frame-onPop-21.js (890B)

      1 // frame.eval works from an onPop handler.
      2 var g = newGlobal({newCompartment: true});
      3 g.eval('function f(a,b) { var x = "entablature", y; debugger; return x+y+a+b; }');
      4 
      5 var dbg = new Debugger(g);
      6 var log;
      7 
      8 dbg.onDebuggerStatement = function handleDebugger(frame) {
      9    log += 'd';
     10    frame.onPop = handlePop;
     11 };
     12 
     13 function handlePop(c) {
     14    log += ')';
     15 
     16    // Arguments must be live.
     17    assertEq(this.eval('a').return, 'frieze');
     18    assertEq(this.eval('b = "architrave"').return, 'architrave');
     19    assertEq(this.eval('arguments[1]').return, 'architrave');
     20    assertEq(this.eval('b').return, 'architrave');
     21 
     22    // function-scope variables must be live.
     23    assertEq(this.eval('x').return, 'entablature');
     24    assertEq(this.eval('y = "cornice"').return, 'cornice');
     25    assertEq(this.eval('y').return, 'cornice');
     26 }
     27 
     28 log = '';
     29 g.eval('f("frieze", "stylobate")');
     30 assertEq(log, 'd)');