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// getLineOffsets works with instructions reachable only by breaking out of a loop or switch.
var g = newGlobal({newCompartment: true});
g.line0 = null;
var dbg = Debugger(g);
var where;
dbg.onDebuggerStatement = function (frame) {
var s = frame.eval("f").return.script;
var lineno = g.line0 + where;
var offs = s.getLineOffsets(lineno);
for (var i = 0; i < offs.length; i++) {
assertEq(s.getOffsetLocation(offs[i]).lineNumber, lineno);
s.setBreakpoint(offs[i], {hit: function () { g.log += 'B'; }});
}
g.log += 'A';
};
function test(s) {
var count = (s.split(/\n/).length - 1); // number of newlines in s
g.log = '';
where = 3 + count + 1;
g.eval("line0 = Error().lineNumber;\n" +
"debugger;\n" + // line0 + 1
"function f(i) {\n" + // line0 + 2
s + // line0 + 3 ... line0 + where - 2
" log += '?';\n" + // line0 + where - 1
" log += '!';\n" + // line0 + where
"}\n");
g.f(0);
assertEq(g.log, 'A?B!');
}
test("i = 128;\n" +
"for (;;) {\n" +
" var x = i - 10;;\n" +
" if (x < 0)\n" +
" break;\n" +
" i >>= 2;\n" +
"}\n");
test("while (true)\n" +
" if (++i === 2) break;\n");
test("do {\n" +
" if (++i === 2) break;\n" +
"} while (true);\n");
test("switch (i) {\n" +
" case 2: return 7;\n" +
" case 1: return 8;\n" +
" case 0: break;\n" +
" default: return -i;\n" +
"}\n");