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 // frame.eval works from an onPop handler.

 var g = newGlobal();

 g.eval('function f(a,b) { var x = "entablature", y; debugger; return x+y+a+b; }');

 var dbg = new Debugger(g);

 var log;

 dbg.onDebuggerStatement = function handleDebugger(frame) {

     log += 'd';

     frame.onPop = handlePop;

 };

 function handlePop(c) {

     log += ')';

     // Arguments must be live.

     assertEq(this.eval('a').return, 'frieze');

     assertEq(this.eval('b = "architrave"').return, 'architrave');

     assertEq(this.eval('arguments[1]').return, 'architrave');

     assertEq(this.eval('b').return, 'architrave');

     // function-scope variables must be live.

     assertEq(this.eval('x').return, 'entablature');

     assertEq(this.eval('y = "cornice"').return, 'cornice');

     assertEq(this.eval('y').return, 'cornice');

 }

 log = '';

 g.eval('f("frieze", "stylobate")');

 assertEq(log, 'd)');