Changeset 52776 in webkit for trunk/JavaScriptCore/wtf/HashFunctions.h

Timestamp:

Jan 4, 2010, 5:24:48 PM (15 years ago)

Author:

[email protected]

Message:

JavaScriptCore: ​https://bugs.webkit.org/show_bug.cgi?id=33163
Add string hashing functions to WTF.
Use WTF's string hashing functions from UStringImpl.

Reviewed by Sam Weinig, additional coding by Mark Rowe.

• GNUmakefile.am:
• JavaScriptCore.exp:
• JavaScriptCore.gypi:
• JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.def:
• JavaScriptCore.xcodeproj/project.pbxproj:
• runtime/UStringImpl.cpp:
• runtime/UStringImpl.h:

(JSC::UStringImpl::computeHash):

• wtf/HashFunctions.h:
• wtf/StringHashFunctions.h: Added.

(WTF::stringHash):

JavaScriptGlue: Add a forwarding header so that StringHashFunctions.h can be found.

Reviewed by Sam Weinig.

• ForwardingHeaders/wtf/StringHashFunctions.h: Added.

WebCore: ​https://bugs.webkit.org/show_bug.cgi?id=33163
Use WTF's string hashing functions from StringImpl.

Patch by Mark Rowe <​[email protected]> on 2010-01-04
Reviewed by Sam Weinig.

• ForwardingHeaders/wtf/StringHashFunctions.h: Added.
• platform/text/StringHash.h:
• platform/text/StringImpl.h:

(WebCore::StringImpl::computeHash):

File:

• trunk/JavaScriptCore/wtf/HashFunctions.h (modified) (1 diff)

trunk/JavaScriptCore/wtf/HashFunctions.h

@@ -174 +174 @@
 
     template<typename T, typename U> struct DefaultHash<std::pair<T, U> > { typedef PairHash<T, U> Hash; };
-    
-    // Golden ratio - arbitrary start value to avoid mapping all 0's to all 0's
-    static const unsigned stringHashingStartValue = 0x9e3779b9U;
 
 } // namespace WTF