Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 73 insertions, 18 deletions

diff --git a/Source/JavaScriptCore/API/JSBase.cpp b/Source/JavaScriptCore/API/JSBase.cpp
index 7669ff1a9..6b2a907f1 100644
--- a/Source/JavaScriptCore/API/JSBase.cpp
+++ b/Source/JavaScriptCore/API/JSBase.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2006, 2007, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -10,10 +10,10 @@
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
@@ -28,18 +28,23 @@
 #include "JSBasePrivate.h"
 
 #include "APICast.h"
-#include "APIShims.h"
 #include "CallFrame.h"
 #include "Completion.h"
+#include "Exception.h"
+#include "GCActivityCallback.h"
 #include "InitializeThreading.h"
 #include "JSGlobalObject.h"
 #include "JSLock.h"
 #include "JSObject.h"
 #include "OpaqueJSString.h"
-#include "Operations.h"
+#include "JSCInlines.h"
 #include "SourceCode.h"
 #include <wtf/text/StringHash.h>
 
+#if ENABLE(REMOTE_INSPECTOR)
+#include "JSGlobalObjectInspectorController.h"
+#endif
+
 using namespace JSC;
 
 JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
@@ -49,20 +54,30 @@ JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef th
         return 0;
     }
     ExecState* exec = toJS(ctx);
-    APIEntryShim entryShim(exec);
+    JSLockHolder locker(exec);
 
     JSObject* jsThisObject = toJS(thisObject);
 
+    startingLineNumber = std::max(1, startingLineNumber);
+
     // evaluate sets "this" to the global object if it is NULL
-    JSGlobalObject* globalObject = exec->dynamicGlobalObject();
-    SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
+    JSGlobalObject* globalObject = exec->vmEntryGlobalObject();
+    SourceCode source = makeSource(script->string(), sourceURL ? sourceURL->string() : String(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
 
-    JSValue evaluationException;
-    JSValue returnValue = evaluate(globalObject->globalExec(), source, jsThisObject, &evaluationException);
+    NakedPtr<Exception> evaluationException;
+    JSValue returnValue = profiledEvaluate(globalObject->globalExec(), ProfilingReason::API, source, jsThisObject, evaluationException);
 
     if (evaluationException) {
         if (exception)
-            *exception = toRef(exec, evaluationException);
+            *exception = toRef(exec, evaluationException->value());
+#if ENABLE(REMOTE_INSPECTOR)
+        // FIXME: If we have a debugger attached we could learn about ParseError exceptions through
+        // ScriptDebugServer::sourceParsed and this path could produce a duplicate warning. The
+        // Debugger path is currently ignored by inspector.
+        // NOTE: If we don't have a debugger, this SourceCode will be forever lost to the inspector.
+        // We could stash it in the inspector in case an inspector is ever opened.
+        globalObject->inspectorController().reportAPIException(exec, evaluationException);
+#endif
         return 0;
     }
 
@@ -80,16 +95,22 @@ bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourc
         return false;
     }
     ExecState* exec = toJS(ctx);
-    APIEntryShim entryShim(exec);
+    JSLockHolder locker(exec);
 
-    SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
+    startingLineNumber = std::max(1, startingLineNumber);
+
+    SourceCode source = makeSource(script->string(), sourceURL ? sourceURL->string() : String(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first()));
     
     JSValue syntaxException;
-    bool isValidSyntax = checkSyntax(exec->dynamicGlobalObject()->globalExec(), source, &syntaxException);
+    bool isValidSyntax = checkSyntax(exec->vmEntryGlobalObject()->globalExec(), source, &syntaxException);
 
     if (!isValidSyntax) {
         if (exception)
             *exception = toRef(exec, syntaxException);
+#if ENABLE(REMOTE_INSPECTOR)
+        Exception* exception = Exception::create(exec->vm(), syntaxException);
+        exec->vmEntryGlobalObject()->inspectorController().reportAPIException(exec, exception);
+#endif
         return false;
     }
 
@@ -107,7 +128,7 @@ void JSGarbageCollect(JSContextRef ctx)
         return;
 
     ExecState* exec = toJS(ctx);
-    APIEntryShim entryShim(exec, false);
+    JSLockHolder locker(exec);
 
     exec->vm().heap.reportAbandonedObjectGraph();
 }
@@ -119,11 +140,13 @@ void JSReportExtraMemoryCost(JSContextRef ctx, size_t size)
         return;
     }
     ExecState* exec = toJS(ctx);
-    APIEntryShim entryShim(exec);
-    exec->vm().heap.reportExtraMemoryCost(size);
+    JSLockHolder locker(exec);
+
+    exec->vm().heap.deprecatedReportExtraMemory(size);
 }
 
 extern "C" JS_EXPORT void JSSynchronousGarbageCollectForDebugging(JSContextRef);
+extern "C" JS_EXPORT void JSSynchronousEdenCollectForDebugging(JSContextRef);
 
 void JSSynchronousGarbageCollectForDebugging(JSContextRef ctx)
 {
@@ -131,6 +154,38 @@ void JSSynchronousGarbageCollectForDebugging(JSContextRef ctx)
         return;
 
     ExecState* exec = toJS(ctx);
-    APIEntryShim entryShim(exec);
+    JSLockHolder locker(exec);
     exec->vm().heap.collectAllGarbage();
 }
+
+void JSSynchronousEdenCollectForDebugging(JSContextRef ctx)
+{
+    if (!ctx)
+        return;
+
+    ExecState* exec = toJS(ctx);
+    JSLockHolder locker(exec);
+    exec->vm().heap.collect(EdenCollection);
+}
+
+void JSDisableGCTimer(void)
+{
+    GCActivityCallback::s_shouldCreateGCTimer = false;
+}
+
+#if PLATFORM(IOS)
+// FIXME: Expose symbols to tell dyld where to find JavaScriptCore on older versions of
+// iOS (< 7.0). We should remove these symbols once we no longer need to support such
+// versions of iOS. See <rdar://problem/13696872> for more details.
+JS_EXPORT extern const char iosInstallName43 __asm("$ld$install_name$os4.3$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName50 __asm("$ld$install_name$os5.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName51 __asm("$ld$install_name$os5.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName60 __asm("$ld$install_name$os6.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+JS_EXPORT extern const char iosInstallName61 __asm("$ld$install_name$os6.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore");
+
+const char iosInstallName43 = 0;
+const char iosInstallName50 = 0;
+const char iosInstallName51 = 0;
+const char iosInstallName60 = 0;
+const char iosInstallName61 = 0;
+#endif