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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/198815">198815</a></dd>
<dt>Author</dt> <dd>dburkart@apple.com</dd>
<dt>Date</dt> <dd>2016-03-29 17:31:01 -0700 (Tue, 29 Mar 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Web Inspector: JS PrettyPrinting in do/while loops, &quot;while&quot; should be on the same line as &quot;}&quot; if there was a closing brace
https://bugs.webkit.org/show_bug.cgi?id=117616
&lt;rdar://problem/15796884&gt;

Reviewed by Joseph Pecoraro.

Source/WebInspectorUI:

This patch fixes the formatting of do / while loops in the WebInspector CodeFormatter.

Before:
    do {
      &quot;x&quot;
    }
    while (0);

After:
    do {
      &quot;x&quot;
    } while (0);

* UserInterface/Views/CodeMirrorFormatters.js:
(shouldHaveSpaceBeforeToken):
If we encounter a while token and the last token was a closing brace, we *should* add a space if that closing
brace was closing a do block.

(removeLastNewline):
If we encounter a while token and the last token was a closing brace, we *should not* add a newline if that closing
brace closes a do block.

(modifyStateForTokenPre):
We should keep track of the last token that we encountered before entering into a block. We do this by setting
a lastContentBeforeBlock property on openBraceStartMarker / state objects.

In addition, this fixes a bug where we do not pop a state object off of openBraceStartMarkers if our indentCount
is 0. Without doing this, we cannot reliably determine whether or not our while token needs to be inline or not.

LayoutTests:

* inspector/codemirror/prettyprinting-javascript-expected.txt:
* inspector/codemirror/prettyprinting-javascript.html:
* inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js: Added.
* inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorprettyprintingjavascriptexpectedtxt">trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript-expected.txt</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorprettyprintingjavascripthtml">trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript.html</a></li>
<li><a href="#trunkSourceWebInspectorUIChangeLog">trunk/Source/WebInspectorUI/ChangeLog</a></li>
<li><a href="#trunkSourceWebInspectorUIUserInterfaceViewsCodeMirrorFormattersjs">trunk/Source/WebInspectorUI/UserInterface/Views/CodeMirrorFormatters.js</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhileloopexpectedjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhileloopjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhilewithinifexpectedjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhilewithinifjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsiffollowedbywhileexpectedjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsiffollowedbywhilejs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsifwhilewithindowhileexpectedjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsifwhilewithindowhilejs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestswhilewithindowhileexpectedjs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js</a></li>
<li><a href="#trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestswhilewithindowhilejs">trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (198814 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-03-30 00:26:00 UTC (rev 198814)
+++ trunk/LayoutTests/ChangeLog        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2016-03-29  Dana Burkart and Matthew Hanson  &lt;dburkart@apple.com&gt;
+
+        Web Inspector: JS PrettyPrinting in do/while loops, &quot;while&quot; should be on the same line as &quot;}&quot; if there was a closing brace
+        https://bugs.webkit.org/show_bug.cgi?id=117616
+        &lt;rdar://problem/15796884&gt;
+
+        Reviewed by Joseph Pecoraro.
+
+        * inspector/codemirror/prettyprinting-javascript-expected.txt:
+        * inspector/codemirror/prettyprinting-javascript.html:
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js: Added.
+        * inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js: Added.
+
</ins><span class="cx"> 2016-03-29  Saam barati  &lt;sbarati@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix typos in our error messages and remove some trailing periods
</span></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorprettyprintingjavascriptexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript-expected.txt (198814 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript-expected.txt        2016-03-30 00:26:00 UTC (rev 198814)
+++ trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript-expected.txt        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -14,3 +14,18 @@
</span><span class="cx"> -- Running test case: CodeMirror.PrettyPrinting.JavaScript.unary-binary-operators.js
</span><span class="cx"> PASS
</span><span class="cx"> 
</span><ins>+-- Running test case: CodeMirror.PrettyPrinting.JavaScript.do-while-loop.js
+PASS
+
+-- Running test case: CodeMirror.PrettyPrinting.JavaScript.if-followed-by-while.js
+PASS
+
+-- Running test case: CodeMirror.PrettyPrinting.JavaScript.while-within-do-while.js
+PASS
+
+-- Running test case: CodeMirror.PrettyPrinting.JavaScript.if-while-within-do-while.js
+PASS
+
+-- Running test case: CodeMirror.PrettyPrinting.JavaScript.do-while-within-if.js
+PASS
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorprettyprintingjavascripthtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript.html (198814 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript.html        2016-03-30 00:26:00 UTC (rev 198814)
+++ trunk/LayoutTests/inspector/codemirror/prettyprinting-javascript.html        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -13,6 +13,11 @@
</span><span class="cx">         &quot;resources/prettyprinting/javascript-tests/single-statement-blocks.js&quot;,
</span><span class="cx">         &quot;resources/prettyprinting/javascript-tests/switch-case-default.js&quot;,
</span><span class="cx">         &quot;resources/prettyprinting/javascript-tests/unary-binary-operators.js&quot;,
</span><ins>+        &quot;resources/prettyprinting/javascript-tests/do-while-loop.js&quot;,
+        &quot;resources/prettyprinting/javascript-tests/if-followed-by-while.js&quot;,
+        &quot;resources/prettyprinting/javascript-tests/while-within-do-while.js&quot;,
+        &quot;resources/prettyprinting/javascript-tests/if-while-within-do-while.js&quot;,
+        &quot;resources/prettyprinting/javascript-tests/do-while-within-if.js&quot;,
</ins><span class="cx">     ]);
</span><span class="cx"> 
</span><span class="cx">     suite.runTestCasesAndFinish();
</span></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhileloopexpectedjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop-expected.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1,4 @@
</span><ins>+do {
+    &quot;x&quot;
+} while (0);
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhileloopjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-loop.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+do{&quot;x&quot;}while(0);
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhilewithinifexpectedjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if-expected.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1,6 @@
</span><ins>+if (true) {
+    do {
+        var x;
+    } while (0);
+}
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsdowhilewithinifjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/do-while-within-if.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+if (true) { do {var x;} while (0);}
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsiffollowedbywhileexpectedjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while-expected.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1,7 @@
</span><ins>+if (x == 2) {
+    var y
+}
+while (0) {
+    y = 3
+}
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsiffollowedbywhilejs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-followed-by-while.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+if(x==2){var y}while(0){y=3}
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsifwhilewithindowhileexpectedjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while-expected.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+do {
+    if (true) {
+        var x;
+    }
+    while (0) {
+        x = 1;
+    }
+    if (true)
+        var y;
+    while (0)
+        y = 1;
+} while (0);
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestsifwhilewithindowhilejs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/if-while-within-do-while.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+do {if (true) {var x;}while (0) {x = 1;}if (true)var y;while (0)y = 1;}while (0);
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestswhilewithindowhileexpectedjs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while-expected.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1,7 @@
</span><ins>+do {
+    var counter = 0;
+    while (counter &lt; 3) {
+        counter += 1;
+    }
+} while (0);
+
</ins></span></pre></div>
<a id="trunkLayoutTestsinspectorcodemirrorresourcesprettyprintingjavascripttestswhilewithindowhilejs"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js (0 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js                                (rev 0)
+++ trunk/LayoutTests/inspector/codemirror/resources/prettyprinting/javascript-tests/while-within-do-while.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+do{var counter=0;while(counter&lt;3){counter+=1;}}while(0);
</ins></span></pre></div>
<a id="trunkSourceWebInspectorUIChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/ChangeLog (198814 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/ChangeLog        2016-03-30 00:26:00 UTC (rev 198814)
+++ trunk/Source/WebInspectorUI/ChangeLog        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -1,3 +1,40 @@
</span><ins>+2016-03-29  Dana Burkart and Matthew Hanson  &lt;dburkart@apple.com&gt;
+
+        Web Inspector: JS PrettyPrinting in do/while loops, &quot;while&quot; should be on the same line as &quot;}&quot; if there was a closing brace
+        https://bugs.webkit.org/show_bug.cgi?id=117616
+        &lt;rdar://problem/15796884&gt;
+
+        Reviewed by Joseph Pecoraro.
+
+        This patch fixes the formatting of do / while loops in the WebInspector CodeFormatter.
+
+        Before:
+            do {
+              &quot;x&quot;
+            }
+            while (0);
+
+        After:
+            do {
+              &quot;x&quot;
+            } while (0);
+
+        * UserInterface/Views/CodeMirrorFormatters.js:
+        (shouldHaveSpaceBeforeToken):
+        If we encounter a while token and the last token was a closing brace, we *should* add a space if that closing
+        brace was closing a do block.
+
+        (removeLastNewline):
+        If we encounter a while token and the last token was a closing brace, we *should not* add a newline if that closing
+        brace closes a do block.
+
+        (modifyStateForTokenPre):
+        We should keep track of the last token that we encountered before entering into a block. We do this by setting
+        a lastContentBeforeBlock property on openBraceStartMarker / state objects.
+
+        In addition, this fixes a bug where we do not pop a state object off of openBraceStartMarkers if our indentCount
+        is 0. Without doing this, we cannot reliably determine whether or not our while token needs to be inline or not.
+
</ins><span class="cx"> 2016-03-29  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Web Inspector: REGRESSION: ⌘E and ⌘G text searching does not work
</span></span></pre></div>
<a id="trunkSourceWebInspectorUIUserInterfaceViewsCodeMirrorFormattersjs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebInspectorUI/UserInterface/Views/CodeMirrorFormatters.js (198814 => 198815)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebInspectorUI/UserInterface/Views/CodeMirrorFormatters.js        2016-03-30 00:26:00 UTC (rev 198814)
+++ trunk/Source/WebInspectorUI/UserInterface/Views/CodeMirrorFormatters.js        2016-03-30 00:31:01 UTC (rev 198815)
</span><span class="lines">@@ -53,6 +53,8 @@
</span><span class="cx">         if (/\bkeyword\b/.test(token)) { // Most keywords require spaces before them, unless a '}' can come before it.
</span><span class="cx">             if (content === &quot;else&quot; || content === &quot;catch&quot; || content === &quot;finally&quot;)
</span><span class="cx">                 return lastContent === &quot;}&quot;;
</span><ins>+            if (content === &quot;while&quot; &amp;&amp; lastContent === &quot;}&quot;)
+                return state._jsPrettyPrint.lastContentBeforeBlock === &quot;do&quot;;
</ins><span class="cx">             return false;
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="lines">@@ -141,6 +143,8 @@
</span><span class="cx">         if (/\bkeyword\b/.test(token)) {
</span><span class="cx">             if (content === &quot;else&quot; || content === &quot;catch&quot; || content === &quot;finally&quot;) // &quot;} else&quot;, &quot;} catch&quot;, &quot;} finally&quot;
</span><span class="cx">                 return lastContent === &quot;}&quot;;
</span><ins>+            if (content === &quot;while&quot; &amp;&amp; lastContent === &quot;}&quot;)
+                return state._jsPrettyPrint.lastContentBeforeBlock === &quot;do&quot;;
</ins><span class="cx">             return false;
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="lines">@@ -201,6 +205,7 @@
</span><span class="cx">                 openBraceStartMarkers: [],  // Keep track of non-single statement blocks.
</span><span class="cx">                 openBraceTrackingCount: -1, // Keep track of &quot;{&quot; and &quot;}&quot; in non-single statement blocks.
</span><span class="cx">                 unaryOperatorHadLeadingExpr: false, // Try to detect if a unary operator had a leading expression and therefore may be binary.
</span><ins>+                lastContentBeforeBlock: undefined, // Used to detect if this was a do/while.
</ins><span class="cx">             };
</span><span class="cx">         }
</span><span class="cx"> 
</span><span class="lines">@@ -224,7 +229,7 @@
</span><span class="cx">         if (!isComment &amp;&amp; state.lexical.prev &amp;&amp; state.lexical.prev.type === &quot;form&quot; &amp;&amp; !state.lexical.prev._jsPrettyPrintMarker &amp;&amp; (lastContent === &quot;)&quot; || lastContent === &quot;else&quot; || lastContent === &quot;do&quot;) &amp;&amp; (state.lexical.type !== &quot;)&quot;)) {
</span><span class="cx">             if (content === &quot;{&quot;) {
</span><span class="cx">                 // Save the state at the opening brace so we can return to it when we see &quot;}&quot;.
</span><del>-                var savedState = {indentCount: state._jsPrettyPrint.indentCount, openBraceTrackingCount: state._jsPrettyPrint.openBraceTrackingCount};
</del><ins>+                var savedState = {indentCount: state._jsPrettyPrint.indentCount, openBraceTrackingCount: state._jsPrettyPrint.openBraceTrackingCount, lastContentBeforeBlock: lastContent};
</ins><span class="cx">                 state._jsPrettyPrint.openBraceStartMarkers.push(savedState);
</span><span class="cx">                 state._jsPrettyPrint.openBraceTrackingCount = 1;
</span><span class="cx">             } else if (state.lexical.type !== &quot;}&quot;) {
</span><span class="lines">@@ -241,7 +246,6 @@
</span><span class="cx"> 
</span><span class="cx">         // - Leaving:
</span><span class="cx">         //   - Preconditions:
</span><del>-        //     - we must be indented
</del><span class="cx">         //     - ignore &quot;;&quot;, wait for the next token instead.
</span><span class="cx">         //   - Cases:
</span><span class="cx">         //     1. &quot;else&quot;
</span><span class="lines">@@ -250,7 +254,7 @@
</span><span class="cx">         //       - dedent to the last &quot;{&quot;
</span><span class="cx">         //     3. Token without a marker on the stack
</span><span class="cx">         //       - dedent all the way
</span><del>-        else if (state._jsPrettyPrint.indentCount) {
</del><ins>+        else {
</ins><span class="cx">             console.assert(!state._jsPrettyPrint.shouldDedent);
</span><span class="cx">             console.assert(!state._jsPrettyPrint.dedentSize);
</span><span class="cx"> 
</span><span class="lines">@@ -277,6 +281,7 @@
</span><span class="cx">                 state._jsPrettyPrint.shouldDedent = true;
</span><span class="cx">                 state._jsPrettyPrint.dedentSize = state._jsPrettyPrint.indentCount - savedState.indentCount;
</span><span class="cx">                 state._jsPrettyPrint.openBraceTrackingCount = savedState.openBraceTrackingCount;
</span><ins>+                state._jsPrettyPrint.lastContentBeforeBlock = savedState.lastContentBeforeBlock;
</ins><span class="cx">             } else {
</span><span class="cx">                 // Dedent all the way.
</span><span class="cx">                 var shouldDedent = true;
</span></span></pre>
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