commit c3221bd1fa1b3cdf67329e69463d2435ccd65df8
author antti@apple.com <antti@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Thu Nov 20 10:47:22 2008 +0000
committer antti@apple.com <antti@apple.com@268f45cc-cd09-0410-ab3c-d52691b4dbfc> Thu Nov 20 10:47:22 2008 +0000
tree 9709cf8e109335b4906aa29fad987be121791495
parent 0f6a8b986e2030892d17c4ba10f92f4b9057563a

2008-11-20  Antti Koivisto  <antti@apple.com>

        Reviewed by Maciej Stachowiak.

        https://bugs.webkit.org/show_bug.cgi?id=22379
        Make CSSOM use less memory
        
        - Shrink CSSProperty by half by using bitfields.
        - Get rid of m_strictParsing field in StyleBase by moving it up to CSSStyleSheet
          and CSSMutableStyleDeclaration. This reduces size of many highly popular objects.

        * css/CSSMutableStyleDeclaration.cpp:
        (WebCore::CSSMutableStyleDeclaration::CSSMutableStyleDeclaration):
        (WebCore::CSSMutableStyleDeclaration::operator=):
        * css/CSSMutableStyleDeclaration.h:
        (WebCore::CSSMutableStyleDeclaration::setStrictParsing):
        (WebCore::CSSMutableStyleDeclaration::useStrictParsing):
        * css/CSSProperty.h:
        * css/CSSStyleSheet.cpp:
        (WebCore::CSSStyleSheet::CSSStyleSheet):
        * css/CSSStyleSheet.h:
        (WebCore::CSSStyleSheet::setStrictParsing):
        (WebCore::CSSStyleSheet::useStrictParsing):
        * css/StyleBase.h:
        (WebCore::StyleBase::useStrictParsing):
        (WebCore::StyleBase::StyleBase):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@38617 268f45cc-cd09-0410-ab3c-d52691b4dbfc

WebCore/css/CSSStyleSheet.cpp

diff --git a/WebCore/css/CSSStyleSheet.cpp b/WebCore/css/CSSStyleSheet.cpp
index cfaf485..4287582 100644
--- a/WebCore/css/CSSStyleSheet.cpp
+++ b/WebCore/css/CSSStyleSheet.cpp
@@ -37,6 +37,7 @@
     , m_namespaces(0)
     , m_charset(charset)
     , m_loadCompleted(false)
+    , m_strictParsing(!parentSheet || parentSheet->useStrictParsing())
 {
 }
 
@@ -46,6 +47,7 @@
     , m_namespaces(0)
     , m_charset(charset)
     , m_loadCompleted(false)
+    , m_strictParsing(false)
 {
 }
 
@@ -54,6 +56,7 @@
     , m_namespaces(0)
     , m_charset(charset)
     , m_loadCompleted(false)
+    , m_strictParsing(!ownerRule || ownerRule->useStrictParsing())
 {
     CSSStyleSheet* parentSheet = ownerRule ? ownerRule->parentStyleSheet() : 0;
     m_doc = parentSheet ? parentSheet->doc() : 0;