82 lines
2.1 KiB
JavaScript
82 lines
2.1 KiB
JavaScript
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// 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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// Flags: --expose-debug-as debug
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Debug = debug.Debug
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function BestEditor() {
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var best_editor = "Emacs";
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return best_editor;
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}
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var exception = null;
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var results = [];
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var log = []
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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var source_line = event_data.sourceLineText();
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log.push(source_line);
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if (source_line.indexOf("return") >= 0) {
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switch (results.length) {
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case 0:
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break;
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case 1:
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Replace(BestEditor, "Emacs", "Eclipse");
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break;
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case 2:
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Replace(BestEditor, "Eclipse", "Vim");
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break;
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default:
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assertUnreachable();
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}
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}
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exec_state.prepareStep(Debug.StepAction.StepIn, 1);
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} catch (e) {
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exception = e;
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}
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};
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function Replace(fun, original, patch) {
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var script = Debug.findScript(fun);
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if (fun.toString().indexOf(original) < 0) return;
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var patch_pos = script.source.indexOf(original);
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var change_log = [];
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Debug.LiveEdit.TestApi.ApplySingleChunkPatch(script, patch_pos, original.length, patch, change_log);
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}
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Debug.setListener(listener);
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debugger;
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results.push(BestEditor());
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results.push(BestEditor());
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results.push(BestEditor());
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Debug.setListener(null);
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assertNull(exception);
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assertEquals(["Emacs", "Eclipse", "Vim"], results);
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print(JSON.stringify(log, 1));
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assertEquals([
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"debugger;",
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"results.push(BestEditor());",
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" var best_editor = \"Emacs\";",
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" return best_editor;","}",
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"results.push(BestEditor());",
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"results.push(BestEditor());",
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" var best_editor = \"Emacs\";",
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" return best_editor;",
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" var best_editor = \"Eclipse\";",
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" return best_editor;","}",
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"results.push(BestEditor());",
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"results.push(BestEditor());",
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" var best_editor = \"Eclipse\";",
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" return best_editor;",
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" var best_editor = \"Vim\";",
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" return best_editor;",
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"}","results.push(BestEditor());",
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"Debug.setListener(null);"
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], log);
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