tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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breakpoint-01.js (617B)


      1 // Basic breakpoint test.
      2 
      3 var g = newGlobal({newCompartment: true});
      4 g.s = '';
      5 var handler = {
      6    hit: function (frame) {
      7        assertEq(this, handler);
      8        g.s += '1';
      9    }
     10 };
     11 var dbg = Debugger(g);
     12 dbg.onDebuggerStatement = function (frame) {
     13    g.s += '0';
     14    var line0 = frame.script.getOffsetLocation(frame.offset).lineNumber;
     15    var offs = frame.script.getLineOffsets(line0 + 2);
     16    for (var i = 0; i < offs.length; i++)
     17        frame.script.setBreakpoint(offs[i], handler);
     18 };
     19 g.eval("debugger;\n" +
     20       "s += 'a';\n" +  // line0 + 1
     21       "s += 'b';\n");  // line0 + 2
     22 assertEq(g.s, "0a1b");