Changeset 62367 in webkit for trunk/JavaScriptCore/runtime/SmallStrings.h

Timestamp:

Jul 1, 2010, 11:31:27 PM (15 years ago)

Author:

[email protected]

Message:

2010-07-01 Oliver Hunt <​[email protected]>

Reviewed by Maciej Stachowiak.

Add a FixedArray template to encapsulate fixed length arrays
​https://bugs.webkit.org/show_bug.cgi?id=41506

This new type is used in place of fixed length C arrays so
that debug builds can guard against attempts to go beyond
the end of the array.

• JavaScriptCore.xcodeproj/project.pbxproj:
• bytecode/Opcode.cpp: (JSC::OpcodeStats::~OpcodeStats):
• pcre/pcre_compile.cpp: (calculateCompiledPatternLength):
• runtime/Collector.cpp: (JSC::Heap::allocateBlock): (JSC::Heap::allocate):
• runtime/Collector.h: (JSC::CollectorBitmap::clearAll):
• runtime/CollectorHeapIterator.h: (JSC::CollectorHeapIterator::operator*):
• runtime/DateInstanceCache.h:
• runtime/JSString.cpp: (JSC::JSString::replaceCharacter):
• runtime/JSString.h: (JSC::RopeBuilder::JSStringFinalizerStruct::):
• runtime/NumericStrings.h:
• runtime/RegExpCache.h:
• runtime/SmallStrings.h: (JSC::SmallStrings::singleCharacterStrings):
• wtf/AVLTree.h:
• wtf/FixedArray.h: Added. (WTF::FixedArray::operator[]): (WTF::FixedArray::data):

2010-07-01 Oliver Hunt <​[email protected]>

Reviewed by Maciej Stachowiak.

Add a FixedArray template to encapsulate fixed length arrays
​https://bugs.webkit.org/show_bug.cgi?id=41506

Add forwarding header.

• ForwardingHeaders/wtf/FixedArray.h: Added.

2010-07-01 Oliver Hunt <​[email protected]>

Reviewed by Maciej Stachowiak.

Add a FixedArray template to encapsulate fixed length arrays
​https://bugs.webkit.org/show_bug.cgi?id=41506

Add forwarding header, and replace a few fixed length arrays
with the new FixedArray type.

• ForwardingHeaders/wtf/FixedArray.h: Added.
• dom/Document.h:
• platform/graphics/GlyphMetricsMap.h:

File:

• trunk/JavaScriptCore/runtime/SmallStrings.h (modified) (3 diffs)

trunk/JavaScriptCore/runtime/SmallStrings.h

@@ -28 +28 @@
 
 #include "UString.h"
+#include <wtf/FixedArray.h>
 #include <wtf/OwnPtr.h>
 
@@ -62 +63 @@
         unsigned count() const;
 #if ENABLE(JIT)
-        JSString** singleCharacterStrings() { return m_singleCharacterStrings; }
+        JSString** singleCharacterStrings() { return m_singleCharacterStrings.data(); }
 #endif
     private:
@@ -69 +70 @@
 
         JSString* m_emptyString;
-        JSString* m_singleCharacterStrings[0x100];
+        FixedArray<JSString*, 0x100> m_singleCharacterStrings;
         OwnPtr<SmallStringsStorage> m_storage;
     };