46 lines
929 B
JavaScript
46 lines
929 B
JavaScript
|
// Copyright 2014 the V8 project authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
// Flags: --expose-debug-as debug
|
||
|
|
|
||
|
|
Debug = debug.Debug
|
||
|
|
var exception = null;
|
||
|
|
var yields = 0;
|
||
|
|
|
||
|
|
function listener(event, exec_state, event_data, data) {
|
||
|
|
if (event != Debug.DebugEvent.Break) return;
|
||
|
|
try {
|
||
|
|
var source = exec_state.frame(0).sourceLineText();
|
||
|
|
print(source);
|
||
|
|
if (/stop stepping/.test(source)) return;
|
||
|
|
if (/yield/.test(source)) yields++;
|
||
|
|
exec_state.prepareStep(Debug.StepAction.StepIn, 1);
|
||
|
|
} catch (e) {
|
||
|
|
print(e, e.stack);
|
||
|
|
exception = e;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
Debug.setListener(listener);
|
||
|
|
|
||
|
|
function* g() {
|
||
|
|
for (var i = 0; i < 3; ++i) {
|
||
|
|
yield i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var i = g();
|
||
|
|
debugger;
|
||
|
|
for (var num of g()) {}
|
||
|
|
i.next();
|
||
|
|
|
||
|
|
print(); // stop stepping
|
||
|
|
|
||
|
|
// Not stepped into.
|
||
|
|
i.next();
|
||
|
|
i.next();
|
||
|
|
|
||
|
|
assertNull(exception);
|
||
|
|
assertEquals(4, yields);
|