tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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breakpoint-06.js (585B)

      1 // The argument to a breakpoint hit method is a frame.
      2 
      3 var g = newGlobal({newCompartment: true});
      4 var dbg = Debugger(g);
      5 var hits = 0;
      6 dbg.onDebuggerStatement = function (frame1) {
      7    function hit(frame2) {
      8        assertEq(frame2, frame1);
      9        hits++;
     10    }
     11    var s = frame1.script;
     12    var offs = s.getLineOffsets(g.line0 + 2);
     13    for (var i = 0; i < offs.length; i++)
     14        s.setBreakpoint(offs[i], {hit: hit});
     15 };
     16 g.eval("var line0 = Error().lineNumber;\n" +
     17       "debugger;\n" +  // line0 + 1
     18       "x = 1;\n");     // line0 + 2
     19 assertEq(hits, 1);
     20 assertEq(g.x, 1);