| // Don't hand out internal function objects via Debugger.Environment.prototype.getVariable. |
| |
| // When the real scope chain object holding the binding for 'f' in 'function f() |
| // { ... }' is optimized out because it's never used, we whip up fake scope |
| // chain objects for Debugger to use, if it looks. However, the value of the |
| // variable f will be an internal function object, not a live function object, |
| // since the latter was not recorded. Internal function objects should not be |
| // exposed via Debugger. |
| |
| var g = newGlobal(); |
| var dbg = new Debugger(g); |
| |
| dbg.onDebuggerStatement = function (frame) { |
| var g_call_env = frame.older.environment; // g's locals |
| var g_decl_env = g_call_env.parent; // 'function g' binding |
| var f_call_env = g_decl_env.parent; // f's locals |
| var f_decl_env = f_call_env.parent; // 'function f' binding |
| assertEq(f_decl_env.getVariable('f').optimizedOut, true); |
| } |
| |
| g.evaluate(` |
| |
| function h() { debugger; } |
| (function f() { |
| return function g() { |
| h(); |
| return 1; |
| } |
| })()(); |
| |
| `); |