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// Copyright 2018 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: --allow-natives-syntax
Debug = debug.Debug;
function test(i) {
if (i == 3) {
return (function* gen() { yield test(i - 1); })().next().value;
} else if (i > 1) {
return test(i - 1);
} else {
debugger;
return 5;
}
}
let patch = null, exception = null;
Debug.setListener(listener);
patch = ['return 5', 'return 3'];
assertEquals(3, test(2)); // no running generator
patch = ['return 3', 'return -1'];
assertEquals(3, test(3)); // there is running generator
assertEquals(exception,
'LiveEdit failed: BLOCKED_BY_FUNCTION_BELOW_NON_DROPPABLE_FRAME');
Debug.setListener(null);
function listener(event) {
if (event != Debug.DebugEvent.Break || !patch) return;
try {
%LiveEditPatchScript(test,
Debug.scriptSource(test).replace(patch[0], patch[1]));
} catch (e) {
exception = e;
}
patch = null;
}
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