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js/src/jit-test/tests/debug/onExceptionUnwind-02.js@6474c204b198 (annotated)

js/src/jit-test/tests/debug/onExceptionUnwind-02.js

Wed, 31 Dec 2014 06:09:35 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:09:35 +0100

changeset 0

6474c204b198

permissions

-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0	1	// |jit-test| debug
michael@0	2	// The onExceptionUnwind hook is called multiple times as the stack unwinds.
michael@0	3
michael@0	4	var g = newGlobal();
michael@0	5	g.debuggeeGlobal = this;
michael@0	6	g.dbg = null;
michael@0	7	g.eval("(" + function () {
michael@0	8	dbg = new Debugger(debuggeeGlobal);
michael@0	9	dbg.onExceptionUnwind = function (frame, exc) {
michael@0	10	assertEq(frame instanceof Debugger.Frame, true);
michael@0	11	assertEq(exc instanceof Debugger.Object, true);
michael@0	12	var s = '!';
michael@0	13	for (var f = frame; f; f = f.older)
michael@0	14	if (f.type === "call")
michael@0	15	s += f.callee.name;
michael@0	16	s += ', ';
michael@0	17	debuggeeGlobal.log += s;
michael@0	18	};
michael@0	19	} + ")();");
michael@0	20
michael@0	21	var log;
michael@0	22
michael@0	23	function k() {
michael@0	24	throw new Error("oops"); // hook call 1
michael@0	25	}
michael@0	26
michael@0	27	function j() {
michael@0	28	k(); // hook call 2
michael@0	29	log += 'j-unreached, ';
michael@0	30	}
michael@0	31
michael@0	32	function h() {
michael@0	33	j(); // hook call 3
michael@0	34	log += 'h-unreached, ';
michael@0	35	}
michael@0	36
michael@0	37	function f() {
michael@0	38	try {
michael@0	39	h(); // hook call 4
michael@0	40	} catch (exc) {
michael@0	41	log += 'f-catch';
michael@0	42	}
michael@0	43	}
michael@0	44
michael@0	45	log = '';
michael@0	46	f();
michael@0	47	g.dbg.enabled = false;
michael@0	48	assertEq(log, '!kjhf, !jhf, !hf, !f, f-catch');