js/src/jit-test/tests/debug/breakpoint-multi-03.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 // Multiple Debugger objects can set breakpoints at the same instruction.
michael@0 2
michael@0 3 var g = newGlobal();
michael@0 4 function attach(g, i) {
michael@0 5 var dbg = Debugger(g);
michael@0 6 dbg.onDebuggerStatement = function (frame) {
michael@0 7 var s = frame.eval("f").return.script;
michael@0 8 var offs = s.getLineOffsets(g.line0 + 3);
michael@0 9 for (var j = 0; j < offs.length; j++)
michael@0 10 s.setBreakpoint(offs[j], {hit: function () { g.log += "" + i; }});
michael@0 11 };
michael@0 12 }
michael@0 13
michael@0 14 g.eval("var line0 = Error().lineNumber;\n" +
michael@0 15 "function f() {\n" + // line0 + 1
michael@0 16 " log += 'a';\n" + // line0 + 2
michael@0 17 " log += 'b';\n" + // line0 + 3
michael@0 18 "}\n");
michael@0 19
michael@0 20 for (var i = 0; i < 3; i++)
michael@0 21 attach(g, i);
michael@0 22
michael@0 23 g.log = '';
michael@0 24 g.eval('debugger;');
michael@0 25 g.log += 'x';
michael@0 26 g.f();
michael@0 27 assertEq(g.log, 'xa012b');

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