Updated JavaScriptCore from /home/khansen/dev/qtwebkit to jsc-for-qtscript-4.6-staging-05102009 ( 38c2b17366f24220d9ae0456a7cfe2ac78a9f91c )

Adapt src/script to src/3rdparty/javascriptcore changes

10 files changed, 93 insertions, 14 deletions

diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.cpp
index 54daf23..5af1377 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.cpp
@@ -108,7 +108,11 @@ static void vprintf_stderr_common(const char* format, va_list args)
         } while (size > 1024);
     }
 #endif
+#if PLATFORM(SYMBIAN)
+    vfprintf(stdout, format, args);
+#else
     vfprintf(stderr, format, args);
+#endif
 }
 
 WTF_ATTRIBUTE_PRINTF(1, 2)
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.h
index b68e70c..f529a62 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Assertions.h
@@ -50,6 +50,11 @@
 #include <inttypes.h>
 #endif
 
+#if PLATFORM(SYMBIAN)
+#include <e32def.h>
+#include <e32debug.h>
+#endif
+
 #ifdef NDEBUG
 #define ASSERTIONS_DISABLED_DEFAULT 1
 #else
@@ -120,11 +125,18 @@ void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChann
 /* CRASH -- gets us into the debugger or the crash reporter -- signals are ignored by the crash reporter so we must do better */
 
 #ifndef CRASH
+#if PLATFORM(SYMBIAN)
+#define CRASH() do { \
+    __DEBUGGER(); \
+    User::Panic(_L("Webkit CRASH"),0); \
+    } while(false)
+#else
 #define CRASH() do { \
     *(int *)(uintptr_t)0xbbadbeef = 0; \
     ((void(*)())0)(); /* More reliable, but doesn't say BBADBEEF */ \
 } while(false)
 #endif
+#endif
 
 /* ASSERT, ASSERT_WITH_MESSAGE, ASSERT_NOT_REACHED */
 
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp
index afb0220..6cd8ef0 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp
@@ -379,6 +379,9 @@ extern "C" const int jscore_fastmalloc_introspection = 0;
 #include <stdarg.h>
 #include <stddef.h>
 #include <stdio.h>
+#if PLATFORM(UNIX)
+#include <unistd.h>
+#endif
 #if COMPILER(MSVC)
 #ifndef WIN32_LEAN_AND_MEAN
 #define WIN32_LEAN_AND_MEAN
@@ -391,6 +394,7 @@ extern "C" const int jscore_fastmalloc_introspection = 0;
 #if PLATFORM(DARWIN)
 #include "MallocZoneSupport.h"
 #include <wtf/HashSet.h>
+#include <wtf/Vector.h>
 #endif
 
 #ifndef PRIuS
@@ -2274,7 +2278,7 @@ static inline TCMalloc_PageHeap* getPageHeap()
 #define pageheap getPageHeap()
 
 #if USE_BACKGROUND_THREAD_TO_SCAVENGE_MEMORY
-#if PLATFORM(WIN)
+#if PLATFORM(WIN_OS)
 static void sleep(unsigned seconds)
 {
     ::Sleep(seconds * 1000);
@@ -2283,6 +2287,10 @@ static void sleep(unsigned seconds)
 
 void TCMalloc_PageHeap::scavengerThread()
 {
+#if HAVE(PTHREAD_SETNAME_NP)
+  pthread_setname_np("JavaScriptCore: FastMalloc scavenger");
+#endif
+
   while (1) {
       if (!shouldContinueScavenging()) {
           pthread_mutex_lock(&m_scavengeMutex);
@@ -2388,7 +2396,7 @@ ALWAYS_INLINE void TCMalloc_Central_FreeList::ReleaseToSpans(void* object) {
   // The following check is expensive, so it is disabled by default
   if (false) {
     // Check that object does not occur in list
-    int got = 0;
+    unsigned got = 0;
     for (void* p = span->objects; p != NULL; p = *((void**) p)) {
       ASSERT(p != object);
       got++;
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.h
index b23e7b0..ca0961c 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.h
@@ -213,6 +213,9 @@ using WTF::fastMallocAllow;
 // debug-only code to make sure we don't use the system malloc via the default operator
 // new by accident.
 
+// We musn't customize the global operator new and delete for the Qt port.
+#if !PLATFORM(QT)
+
 WTF_PRIVATE_INLINE void* operator new(size_t size) { return fastMalloc(size); }
 WTF_PRIVATE_INLINE void* operator new(size_t size, const std::nothrow_t&) throw() { return fastMalloc(size); }
 WTF_PRIVATE_INLINE void operator delete(void* p) { fastFree(p); }
@@ -224,4 +227,6 @@ WTF_PRIVATE_INLINE void operator delete[](void* p, const std::nothrow_t&) throw(
 
 #endif
 
+#endif
+
 #endif /* WTF_FastMalloc_h */
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Forward.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Forward.h
index 67dc3be..448de7d 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Forward.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Forward.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2006 Apple Computer, Inc.
+ *  Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Library General Public
@@ -27,6 +27,7 @@ namespace WTF {
     template<typename T> class ListRefPtr;
     template<typename T> class OwnArrayPtr;
     template<typename T> class OwnPtr;
+    template<typename T> class PassOwnPtr;
     template<typename T> class PassRefPtr;
     template<typename T> class RefPtr;
     template<typename T, size_t inlineCapacity> class Vector;
@@ -35,9 +36,9 @@ namespace WTF {
 using WTF::ListRefPtr;
 using WTF::OwnArrayPtr;
 using WTF::OwnPtr;
+using WTF::PassOwnPtr;
 using WTF::PassRefPtr;
 using WTF::RefPtr;
 using WTF::Vector;
 
 #endif // WTF_Forward_h
-
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashCountedSet.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashCountedSet.h
index 1a422d8..5fb6da8 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashCountedSet.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/HashCountedSet.h
@@ -49,23 +49,28 @@ namespace WTF {
         const_iterator begin() const;
         const_iterator end() const;
         
-        iterator find(const ValueType& value);
-        const_iterator find(const ValueType& value) const;
-        bool contains(const ValueType& value) const;
-        unsigned count(const ValueType& value) const;
+        iterator find(const ValueType&);
+        const_iterator find(const ValueType&) const;
+        bool contains(const ValueType&) const;
+        unsigned count(const ValueType&) const;
 
         // increases the count if an equal value is already present
         // the return value is a pair of an interator to the new value's location, 
         // and a bool that is true if an new entry was added
-        std::pair<iterator, bool> add(const ValueType &value);
+        std::pair<iterator, bool> add(const ValueType&);
         
         // reduces the count of the value, and removes it if count
         // goes down to zero
-        void remove(const ValueType& value);
-        void remove(iterator it);
+        void remove(const ValueType&);
+        void remove(iterator);
  
-       void clear();
-        
+        // removes the value, regardless of its count
+        void clear(iterator);
+        void clear(const ValueType&);
+
+        // clears the whole set
+        void clear();
+
     private:
         ImplType m_impl;
     };
@@ -166,6 +171,21 @@ namespace WTF {
     }
     
     template<typename Value, typename HashFunctions, typename Traits>
+    inline void HashCountedSet<Value, HashFunctions, Traits>::clear(const ValueType& value)
+    {
+        clear(find(value));
+    }
+    
+    template<typename Value, typename HashFunctions, typename Traits>
+    inline void HashCountedSet<Value, HashFunctions, Traits>::clear(iterator it)
+    {
+        if (it == end())
+            return;
+
+        m_impl.remove(it);
+    }
+    
+    template<typename Value, typename HashFunctions, typename Traits>
     inline void HashCountedSet<Value, HashFunctions, Traits>::clear()
     {
         m_impl.clear(); 
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
index 39cafab..73212db 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/Platform.h
@@ -278,6 +278,10 @@
 #undef ARM_ARCH_VERSION
 #define ARM_ARCH_VERSION 7
 #endif
+/* On ARMv5 and below the natural alignment is required. */
+#if !defined(ARM_REQUIRE_NATURAL_ALIGNMENT) && ARM_ARCH_VERSION <= 5
+#define ARM_REQUIRE_NATURAL_ALIGNMENT 1
+#endif
 /* Defines two pseudo-platforms for ARM and Thumb-2 instruction set. */
 #if !defined(WTF_PLATFORM_ARM_TRADITIONAL) && !defined(WTF_PLATFORM_ARM_THUMB2)
 #  if defined(thumb2) || defined(__thumb2__)
@@ -560,6 +564,7 @@
 #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !PLATFORM(IPHONE)
 #define HAVE_MADV_FREE_REUSE 1
 #define HAVE_MADV_FREE 1
+#define HAVE_PTHREAD_SETNAME_NP 1
 #endif
 
 #if PLATFORM(IPHONE)
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RandomNumber.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RandomNumber.cpp
index 0e6e208..52fb130 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RandomNumber.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/RandomNumber.cpp
@@ -82,6 +82,23 @@ double randomNumber()
     return static_cast<double>(fullRandom)/static_cast<double>(1LL << 53);
 #elif PLATFORM(WINCE)
     return genrand_res53();
+#elif PLATFORM(WIN_OS)
+    uint32_t part1 = rand() & (RAND_MAX - 1);
+    uint32_t part2 = rand() & (RAND_MAX - 1);
+    uint32_t part3 = rand() & (RAND_MAX - 1);
+    uint32_t part4 = rand() & (RAND_MAX - 1);
+    // rand only provides 15 bits on Win32
+    uint64_t fullRandom = part1;
+    fullRandom <<= 15;
+    fullRandom |= part2;
+    fullRandom <<= 15;
+    fullRandom |= part3;
+    fullRandom <<= 15;
+    fullRandom |= part4;
+
+    // Mask off the low 53bits
+    fullRandom &= (1LL << 53) - 1;
+    return static_cast<double>(fullRandom)/static_cast<double>(1LL << 53);
 #else
     uint32_t part1 = rand() & (RAND_MAX - 1);
     uint32_t part2 = rand() & (RAND_MAX - 1);
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h
index ced2283..4cf30c2 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSpinLock.h
@@ -209,6 +209,13 @@ struct TCMalloc_SpinLock {
   inline void Unlock() {
     if (pthread_mutex_unlock(&private_lock_) != 0) CRASH();
   }
+  bool IsHeld() {
+    if (pthread_mutex_trylock(&private_lock_))
+      return true;
+
+    Unlock();
+    return false;
+  }
 };
 
 #define SPINLOCK_INITIALIZER { PTHREAD_MUTEX_INITIALIZER }
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/ThreadingPthreads.cpp b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/ThreadingPthreads.cpp
index c241bd9..e4fb419 100644
--- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/ThreadingPthreads.cpp
+++ b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/ThreadingPthreads.cpp
@@ -186,7 +186,7 @@ ThreadIdentifier createThreadInternal(ThreadFunction entryPoint, void* data, con
 
 void setThreadNameInternal(const char* threadName)
 {
-#if PLATFORM(DARWIN) && !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD) && !PLATFORM(IPHONE)
+#if HAVE(PTHREAD_SETNAME_NP)
     pthread_setname_np(threadName);
 #else
     UNUSED_PARAM(threadName);