[webkit-changes] [WebKit/WebKit] 25af45: [WTF] Define ENABLE(WYHASH_STRING_HASHER)

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 25af4548095896bc7fcb7cc232bcfd9f40cb4913
      https://github.com/WebKit/WebKit/commit/25af4548095896bc7fcb7cc232bcfd9f40cb4913
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-02-09 (Fri, 09 Feb 2024)

  Changed paths:
    M Source/JavaScriptCore/create_hash_table
    M Source/JavaScriptCore/tools/JSDollarVM.cpp
    M Source/JavaScriptCore/yarr/hasher.py
    M Source/WTF/wtf/PlatformEnable.h
    M Source/WTF/wtf/text/StringHasher.h
    M Source/WTF/wtf/text/StringHasherInlines.h
    M Source/WebCore/bindings/scripts/CodeGeneratorJS.pm
    M Source/WebCore/bindings/scripts/Hasher.pm
    M Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp

  Log Message:
  -----------
  [WTF] Define ENABLE(WYHASH_STRING_HASHER)
https://bugs.webkit.org/show_bug.cgi?id=269130
rdar://122690122

Reviewed by Alexey Shvayka.

Let's define ENABLE(WYHASH_STRING_HASHER) and use it instead of PLATFORM(MAC).
It allows us to easily enable / disable WYHash-based StringHasher by just flipping this flag.
And it is also super easy to read (And allows the other platforms to enable it easily).

* Source/JavaScriptCore/create_hash_table:
* Source/JavaScriptCore/tools/JSDollarVM.cpp:
* Source/JavaScriptCore/yarr/hasher.py:
(stringHash):
(createHashTable.createHashTableHelper):
(createHashTable):
* Source/WTF/wtf/PlatformEnable.h:
* Source/WTF/wtf/text/StringHasher.h:
* Source/WTF/wtf/text/StringHasherInlines.h:
(WTF::StringHasher::computeHashAndMaskTop8Bits):
(WTF::StringHasher::computeLiteralHashAndMaskTop8Bits):
(WTF::StringHasher::addCharacter):
(WTF::StringHasher::hashWithTop8BitsMasked):
* Source/WebCore/bindings/scripts/CodeGeneratorJS.pm:
(GenerateHashTable):
* Source/WebCore/bindings/scripts/Hasher.pm:
* Source/WebCore/bindings/scripts/test/JS/JSTestGlobalObject.cpp:

Canonical link: https://commits.webkit.org/274416@main