| // One can set onPop handlers on some frames but not others. |
| var g = newGlobal(); |
| g.eval("function f(n) { if (n > 0) f(n-1); else debugger; }"); |
| var dbg = new Debugger(g); |
| var log; |
| |
| Debugger.Frame.prototype.nthOlder = function nthOlder(n) { |
| var f = this; |
| while (n-- > 0) |
| f = f.older; |
| return f; |
| }; |
| |
| dbg.onEnterFrame = function handleEnter(f) { |
| log += "(" + f.arguments[0]; |
| }; |
| |
| function makePopHandler(n) { |
| return function handlePop(c) { |
| log += ")" + this.arguments[0]; |
| assertEq(this.arguments[0], n); |
| }; |
| } |
| |
| dbg.onDebuggerStatement = function handleDebugger(f) { |
| // Set onPop handers on some frames, and leave others alone. Vary the |
| // spacing. |
| f.nthOlder(2).onPop = makePopHandler(2); |
| f.nthOlder(3).onPop = makePopHandler(3); |
| f.nthOlder(5).onPop = makePopHandler(5); |
| f.nthOlder(8).onPop = makePopHandler(8); |
| f.nthOlder(13).onPop = makePopHandler(13); |
| }; |
| |
| log = ''; |
| g.f(20); |
| assertEq(log, "(20(19(18(17(16(15(14(13(12(11(10(9(8(7(6(5(4(3(2(1(0)2)3)5)8)13"); |