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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/176325">176325</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-11-19 10:34:19 -0800 (Wed, 19 Nov 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>Web Inspector: Debugger should not mutate variable when hovering mouse over ++n expression
https://bugs.webkit.org/show_bug.cgi?id=138839
Patch by Joseph Pecoraro <pecoraro@apple.com> on 2014-11-19
Reviewed by Timothy Hatcher.
* UserInterface/Controllers/CodeMirrorTokenTrackingController.js:
(WebInspector.CodeMirrorTokenTrackingController.prototype._processJavaScriptExpression):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceControllersCodeMirrorTokenTrackingControllerjs">trunk/Source/WebInspectorUI/UserInterface/Controllers/CodeMirrorTokenTrackingController.js</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (176324 => 176325)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog 2014-11-19 18:32:30 UTC (rev 176324)
+++ trunk/Source/WebInspectorUI/ChangeLog 2014-11-19 18:34:19 UTC (rev 176325)
</span><span class="lines">@@ -1,5 +1,15 @@
</span><span class="cx"> 2014-11-19 Joseph Pecoraro <pecoraro@apple.com>
</span><span class="cx">
</span><ins>+ Web Inspector: Debugger should not mutate variable when hovering mouse over ++n expression
+ https://bugs.webkit.org/show_bug.cgi?id=138839
+
+ Reviewed by Timothy Hatcher.
+
+ * UserInterface/Controllers/CodeMirrorTokenTrackingController.js:
+ (WebInspector.CodeMirrorTokenTrackingController.prototype._processJavaScriptExpression):
+
+2014-11-19 Joseph Pecoraro <pecoraro@apple.com>
+
</ins><span class="cx"> Web Inspector: Improve basic JavaScript completion in inline <script>s
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=138845
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceControllersCodeMirrorTokenTrackingControllerjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Controllers/CodeMirrorTokenTrackingController.js (176324 => 176325)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Controllers/CodeMirrorTokenTrackingController.js 2014-11-19 18:32:30 UTC (rev 176324)
+++ trunk/Source/WebInspectorUI/UserInterface/Controllers/CodeMirrorTokenTrackingController.js 2014-11-19 18:34:19 UTC (rev 176325)
</span><span class="lines">@@ -477,11 +477,20 @@
</span><span class="cx"> var expression = this._hoveredTokenInfo.token.string;
</span><span class="cx"> var expressionStartPosition = {line: this._hoveredTokenInfo.position.line, ch: this._hoveredTokenInfo.token.start};
</span><span class="cx"> while (true) {
</span><del>- var token = this._codeMirror.getTokenAt(expressionStartPosition);
- var isDot = token && !token.type && token.string === ".";
- var isExpression = token && token.type && token.type.indexOf("m-javascript") !== -1;
</del><ins>+ var token = this._codeMirror.getTokenAt(expressionStartPosition);
+ if (!token)
+ break;
+
+ var isDot = !token.type && token.string === ".";
+ var isExpression = token.type && token.type.contains("m-javascript");
</ins><span class="cx"> if (!isDot && !isExpression)
</span><span class="cx"> break;
</span><ins>+
+ // Disallow operators. We want the hovered expression to be just a single operand.
+ // Also, some operators can modify values, such as pre-increment and assignment operators.
+ if (isExpression && token.type.contains("operator"))
+ break;
+
</ins><span class="cx"> expression = token.string + expression;
</span><span class="cx"> expressionStartPosition.ch = token.start;
</span><span class="cx"> }
</span></span></pre>
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