js/src/jit-test/tests/debug/breakpoint-gc-01.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 // Handlers for breakpoints in an eval script are live as long as the script is on the stack.
michael@0 2
michael@0 3 var g = newGlobal();
michael@0 4 var dbg = Debugger(g);
michael@0 5 var log = '';
michael@0 6 dbg.onDebuggerStatement = function (frame) {
michael@0 7 function handler(i) {
michael@0 8 return {hit: function () { log += '' + i; }};
michael@0 9 }
michael@0 10
michael@0 11 var s = frame.script;
michael@0 12 var offs = s.getLineOffsets(g.line0 + 2);
michael@0 13 for (var i = 0; i < 7; i++) {
michael@0 14 var h = handler(i);
michael@0 15 for (var j = 0; j < offs.length; j++)
michael@0 16 s.setBreakpoint(offs[j], h);
michael@0 17 }
michael@0 18 gc();
michael@0 19 };
michael@0 20
michael@0 21
michael@0 22 g.eval("var line0 = Error().lineNumber;\n" +
michael@0 23 "debugger;\n" + // line0 + 1
michael@0 24 "x = 1;\n"); // line0 + 2
michael@0 25 assertEq(log, '0123456');

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