4fb4f3408c
This adds access to the LiveEdit API object, frame.restart(), and various breakpoint setters. The LiveEdit API still depends on the JS debugging context and blocks its removal; but it should be removed once LiveEdit is rewritten in the midterm. BUG=v8:5530 Review-Url: https://codereview.chromium.org/2503293002 Cr-Commit-Position: refs/heads/master@{#41062}
73 lines
1.7 KiB
JavaScript
73 lines
1.7 KiB
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Test that live-editing a frame above one that uses new.target succeeds.
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Debug = debug.Debug
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var wrapper_calls = 0;
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var construct_calls = 0;
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var exceptions = 0;
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var results = [];
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var replace_again;
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eval(`
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function LogNewTarget(arg) {
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construct_calls++;
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results.push(new.target);
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}
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function Wrapper() {
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wrapper_calls++;
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ReplaceOnce();
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new LogNewTarget(true);
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}
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`);
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function Replace(fun, original, patch) {
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%ExecuteInDebugContext(function() {
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var change_log = [];
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try {
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var script = Debug.findScript(fun);
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var patch_pos = script.source.indexOf(original);
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Debug.LiveEdit.TestApi.ApplySingleChunkPatch(
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script, patch_pos, original.length, patch, change_log);
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} catch (e) {
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exceptions++;
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}
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});
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}
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function ReplaceOnce(x) {
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if (replace_again) {
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replace_again = false;
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Replace(Wrapper, "true", "false");
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}
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}
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function Revert() {
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Replace(Wrapper, "false", "true");
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}
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replace_again = true;
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ReplaceOnce();
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Wrapper();
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Revert();
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assertEquals(1, construct_calls);
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assertEquals(1, wrapper_calls);
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assertEquals(0, exceptions); // Replace succeeds
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assertEquals([LogNewTarget], results);
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Wrapper();
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assertEquals(2, construct_calls);
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assertEquals(2, wrapper_calls);
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assertEquals(0, exceptions); // Replace succeeds
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assertEquals([LogNewTarget, LogNewTarget], results);
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replace_again = true;
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Wrapper();
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assertEquals(3, construct_calls);
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assertEquals(4, wrapper_calls); // Restarts
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assertEquals(0, exceptions); // Replace succeeds
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assertEquals([LogNewTarget, LogNewTarget, LogNewTarget], results);
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