onExceptionUnwind-02.js (1058B)
1 // The onExceptionUnwind hook is called multiple times as the stack unwinds. 2 3 var g = newGlobal({newCompartment: true}); 4 g.debuggeeGlobal = this; 5 g.dbg = null; 6 g.eval("(" + function () { 7 dbg = new Debugger(debuggeeGlobal); 8 dbg.onExceptionUnwind = function (frame, exc) { 9 assertEq(frame instanceof Debugger.Frame, true); 10 assertEq(exc instanceof Debugger.Object, true); 11 var s = '!'; 12 for (var f = frame; f; f = f.older) 13 if (f.type === "call") 14 s += f.callee.name; 15 s += ', '; 16 debuggeeGlobal.log += s; 17 }; 18 } + ")();"); 19 20 var log; 21 22 function k() { 23 throw new Error("oops"); // hook call 1 24 } 25 26 function j() { 27 k(); // hook call 2 28 log += 'j-unreached, '; 29 } 30 31 function h() { 32 j(); // hook call 3 33 log += 'h-unreached, '; 34 } 35 36 function f() { 37 try { 38 h(); // hook call 4 39 } catch (exc) { 40 log += 'f-catch'; 41 } 42 } 43 44 log = ''; 45 f(); 46 g.dbg.enabled = false; 47 assertEq(log, '!kjhf, !jhf, !hf, !f, f-catch');