michael@0: // Each resumption of a generator gets a fresh frame, whose onPop handler
michael@0: // fires the next time the generator yields.
michael@0: // This is not the behavior the spec requests, but it's what we do for the
michael@0: // moment, and it's good to check that at least we don't crash.
michael@0: var g = newGlobal();
michael@0: var dbg = new Debugger(g);
michael@0: var log;
michael@0: 
michael@0: var debuggerFrames = [];
michael@0: var poppedFrames = [];
michael@0: dbg.onDebuggerStatement = function handleDebugger(frame) {
michael@0:     log += 'd';
michael@0:     assertEq(frame.type, "call");
michael@0: 
michael@0:     assertEq(debuggerFrames.indexOf(frame), -1);
michael@0:     assertEq(poppedFrames.indexOf(frame), -1);
michael@0:     debuggerFrames.push(frame);
michael@0: 
michael@0:     if (frame.eval('i').return % 3 == 0) {
michael@0:         frame.onPop = function handlePop(c) {
michael@0:             log += ')' + c.return;
michael@0:             assertEq(debuggerFrames.indexOf(this) != -1, true);
michael@0:             assertEq(poppedFrames.indexOf(this), -1);
michael@0:             poppedFrames.push(this);
michael@0:         };
michael@0:     }
michael@0: };
michael@0: 
michael@0: g.eval("function g() { for (var i = 0; i < 10; i++) { debugger; yield i; } }");
michael@0: log ='';
michael@0: assertEq(g.eval("var t = 0; for (j in g()) t += j; t;"), 45);
michael@0: assertEq(log, "d)0ddd)3ddd)6ddd)9");