js/src/jit-test/tests/debug/cross-context-2.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 // The debugger can eval in any frame in the stack even if every frame was
michael@0 2 // pushed in a different context.
michael@0 3
michael@0 4 var g = newGlobal();
michael@0 5 g.eval('function f(a) {\n' +
michael@0 6 ' if (a == 1)\n' +
michael@0 7 ' debugger;\n' +
michael@0 8 ' else\n' +
michael@0 9 ' evaluate("f(" + a + " - 1);", {newContext: true});\n' +
michael@0 10 '}\n');
michael@0 11 var N = 9;
michael@0 12
michael@0 13 var dbg = new Debugger(g);
michael@0 14 var frames = [];
michael@0 15 var hits = 0;
michael@0 16 dbg.onEnterFrame = function (frame) {
michael@0 17 if (frame.type == "call" && frame.callee.name == "f") {
michael@0 18 frames.push(frame);
michael@0 19 frame.onPop = function () { assertEq(frames.pop(), frame); };
michael@0 20 }
michael@0 21 };
michael@0 22 dbg.onDebuggerStatement = function (frame) {
michael@0 23 assertEq(frames.length, N);
michael@0 24 var i = N;
michael@0 25 for (var f of frames)
michael@0 26 assertEq(f.eval('a').return, i--);
michael@0 27 hits++;
michael@0 28 };
michael@0 29
michael@0 30 g.f(N);
michael@0 31 assertEq(hits, 1);
michael@0 32 assertEq(frames.length, 0);

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