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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/208045">208045</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2016-10-28 05:36:33 -0700 (Fri, 28 Oct 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>generate-bindings-all.pl should recompile supplemented IDL if its supplemental IDL are added or removed
https://bugs.webkit.org/show_bug.cgi?id=164054

Patch by Fujii Hironori &lt;Hironori.Fujii@sony.com&gt; on 2016-10-28
Reviewed by Michael Catanzaro.

generate-bindings-all.pl determines which IDL to recompile by
comparing timestamps of generated files, source IDL and its
dependencies.  But this is not enough. If a new supplemental IDL
is added, its supplemented IDL needs to be recompiled even though
the timestamp of the supplemental IDL is older than the
generated files.

* bindings/scripts/generate-bindings-all.pl: Read supplemental
dependency file both before and after invoking preprocess-idls.pl.
Recompile IDL files if its supplemental dependencies are added or
removed.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorebindingsscriptsgeneratebindingsallpl">trunk/Source/WebCore/bindings/scripts/generate-bindings-all.pl</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (208044 => 208045)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-10-28 12:24:35 UTC (rev 208044)
+++ trunk/Source/WebCore/ChangeLog        2016-10-28 12:36:33 UTC (rev 208045)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2016-10-28  Fujii Hironori  &lt;Hironori.Fujii@sony.com&gt;
+
+        generate-bindings-all.pl should recompile supplemented IDL if its supplemental IDL are added or removed
+        https://bugs.webkit.org/show_bug.cgi?id=164054
+
+        Reviewed by Michael Catanzaro.
+
+        generate-bindings-all.pl determines which IDL to recompile by
+        comparing timestamps of generated files, source IDL and its
+        dependencies.  But this is not enough. If a new supplemental IDL
+        is added, its supplemented IDL needs to be recompiled even though
+        the timestamp of the supplemental IDL is older than the
+        generated files.
+
+        * bindings/scripts/generate-bindings-all.pl: Read supplemental
+        dependency file both before and after invoking preprocess-idls.pl.
+        Recompile IDL files if its supplemental dependencies are added or
+        removed.
+
</ins><span class="cx"> 2016-10-28  Youenn Fablet  &lt;youenn@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         PeerMediaDescription does not need to be refcounted
</span></span></pre></div>
<a id="trunkSourceWebCorebindingsscriptsgeneratebindingsallpl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/bindings/scripts/generate-bindings-all.pl (208044 => 208045)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/bindings/scripts/generate-bindings-all.pl        2016-10-28 12:24:35 UTC (rev 208044)
+++ trunk/Source/WebCore/bindings/scripts/generate-bindings-all.pl        2016-10-28 12:36:33 UTC (rev 208045)
</span><span class="lines">@@ -70,11 +70,13 @@
</span><span class="cx"> @idlFiles = map { CygwinPathIfNeeded(s/\r?\n?$//r) } &lt;$fh&gt;;
</span><span class="cx"> close($fh) or die;
</span><span class="cx"> 
</span><del>-my %supplementedIdlFiles;
</del><ins>+my %oldSupplements;
+my %newSupplements;
</ins><span class="cx"> if ($supplementalDependencyFile) {
</span><span class="cx">     my @output = ($supplementalDependencyFile, @ppExtraOutput);
</span><del>-    my @deps = (@idlFiles, @generatorDependency);
</del><ins>+    my @deps = ($idlFilesList, @idlFiles, @generatorDependency);
</ins><span class="cx">     if (needsUpdate(\@output, \@deps)) {
</span><ins>+        readSupplementalDependencyFile($supplementalDependencyFile, \%oldSupplements) if -e $supplementalDependencyFile;
</ins><span class="cx">         my @args = (File::Spec-&gt;catfile($scriptDir, 'preprocess-idls.pl'),
</span><span class="cx">                     '--defines', $defines,
</span><span class="cx">                     '--idlFilesList', $idlFilesList,
</span><span class="lines">@@ -83,12 +85,7 @@
</span><span class="cx">         print(&quot;Preprocess IDL\n&quot;);
</span><span class="cx">         executeCommand($perl, @args) == 0 or die;
</span><span class="cx">     }
</span><del>-    open(my $fh, '&lt;', $supplementalDependencyFile) or die &quot;Cannot open $supplementalDependencyFile&quot;;
-    while (&lt;$fh&gt;) {
-        my ($idlFile, @followingIdlFiles) = split(/\s+/);
-        $supplementedIdlFiles{$idlFile} = \@followingIdlFiles;
-    }
-    close($fh) or die;
</del><ins>+    readSupplementalDependencyFile($supplementalDependencyFile, \%newSupplements);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> my @args = (File::Spec-&gt;catfile($scriptDir, 'generate-bindings.pl'),
</span><span class="lines">@@ -104,7 +101,12 @@
</span><span class="cx"> my %directoryCache;
</span><span class="cx"> buildDirectoryCache();
</span><span class="cx"> 
</span><del>-my @idlFilesToUpdate = grep {
</del><ins>+my @idlFilesToUpdate = grep &amp;{sub {
+    if (defined($oldSupplements{$_})
+        &amp;&amp; @{$oldSupplements{$_}} ne @{$newSupplements{$_} or []}) {
+        # Re-process the IDL file if its supplemental dependencies were added or removed
+        return 1;
+    }
</ins><span class="cx">     my ($filename, $dirs, $suffix) = fileparse($_, '.idl');
</span><span class="cx">     my $sourceFile = File::Spec-&gt;catfile($outputDirectory, &quot;JS$filename.cpp&quot;);
</span><span class="cx">     my $headerFile = File::Spec-&gt;catfile($outputDirectory, &quot;JS$filename.h&quot;);
</span><span class="lines">@@ -113,10 +115,10 @@
</span><span class="cx">     my @deps = ($_,
</span><span class="cx">                 $idlAttributesFile,
</span><span class="cx">                 @generatorDependency,
</span><del>-                @{$supplementedIdlFiles{$_} or []},
</del><ins>+                @{$newSupplements{$_} or []},
</ins><span class="cx">                 implicitDependencies($depFile));
</span><span class="cx">     needsUpdate(\@output, \@deps);
</span><del>-} @idlFiles;
</del><ins>+}}, @idlFiles;
</ins><span class="cx"> my $queue = Thread::Queue-&gt;new(@idlFilesToUpdate);
</span><span class="cx"> my $abort :shared = 0;
</span><span class="cx"> my $terminalWidth = getTerminalWidth();
</span><span class="lines">@@ -234,3 +236,15 @@
</span><span class="cx">     return 80 if $^O eq 'MSWin32';
</span><span class="cx">     return `stty size` =~ /\d+\s+(\d+)/ ? $1 : 80;
</span><span class="cx"> }
</span><ins>+
+sub readSupplementalDependencyFile
+{
+    my $filename = shift;
+    my $supplements = shift;
+    open(my $fh, '&lt;', $filename) or die &quot;Cannot open $filename&quot;;
+    while (&lt;$fh&gt;) {
+        my ($idlFile, @followingIdlFiles) = split(/\s+/);
+        $supplements-&gt;{$idlFile} = [sort @followingIdlFiles];
+    }
+    close($fh) or die;
+}
</ins></span></pre>
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