Title: [137984] trunk/Source/WebCore
Revision
137984
Author
[email protected]
Date
2012-12-17 21:35:34 -0800 (Mon, 17 Dec 2012)

Log Message

Add ASSERTions to ensure that CSSPropertys that are variables only ever refer to CSSValues that are variables.
https://bugs.webkit.org/show_bug.cgi?id=104876

Reviewed by Steve Block.

Add assertions to CSSProperty constructors to make that if it is initialized with CSSPropertyVariable that
the value type associated with it is also a variable. This is already asserted at read time, but ASSERTing
here will produce a more useful backtrace.

No new tests as functionality unchanged.

* css/CSSProperty.h:
(WebCore::CSSProperty::CSSProperty):

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (137983 => 137984)


--- trunk/Source/WebCore/ChangeLog	2012-12-18 05:30:10 UTC (rev 137983)
+++ trunk/Source/WebCore/ChangeLog	2012-12-18 05:35:34 UTC (rev 137984)
@@ -1,3 +1,19 @@
+2012-12-17  Luke Macpherson   <[email protected]>
+
+        Add ASSERTions to ensure that CSSPropertys that are variables only ever refer to CSSValues that are variables.
+        https://bugs.webkit.org/show_bug.cgi?id=104876
+
+        Reviewed by Steve Block.
+
+        Add assertions to CSSProperty constructors to make that if it is initialized with CSSPropertyVariable that
+        the value type associated with it is also a variable. This is already asserted at read time, but ASSERTing
+        here will produce a more useful backtrace.
+
+        No new tests as functionality unchanged.
+
+        * css/CSSProperty.h:
+        (WebCore::CSSProperty::CSSProperty):
+
 2012-12-17  Vsevolod Vlasov  <[email protected]>
 
         Web Inspector: Make inspector scripts sourceURL absolute.

Modified: trunk/Source/WebCore/css/CSSProperty.h (137983 => 137984)


--- trunk/Source/WebCore/css/CSSProperty.h	2012-12-18 05:30:10 UTC (rev 137983)
+++ trunk/Source/WebCore/css/CSSProperty.h	2012-12-18 05:35:34 UTC (rev 137984)
@@ -57,6 +57,9 @@
         : m_metadata(propertyID, shorthandID, important, implicit, isInheritedProperty(propertyID))
         , m_value(value)
     {
+#if ENABLE(CSS_VARIABLES)
+    ASSERT((propertyID == CSSPropertyVariable) == (m_value && m_value->isVariableValue()));
+#endif
     }
 
     // FIXME: Remove this.
@@ -64,6 +67,9 @@
         : m_metadata(metadata)
         , m_value(value)
     {
+#if ENABLE(CSS_VARIABLES)
+    ASSERT((metadata.m_propertyID == CSSPropertyVariable) == (m_value && m_value->isVariableValue()));
+#endif
     }
 
     CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
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