Code drop from //branches/cupcake/...@124589

1 files changed, 145 insertions, 0 deletions

diff --git a/WebCore/bridge/c/c_runtime.cpp b/WebCore/bridge/c/c_runtime.cpp
new file mode 100644
index 0000000..7cf5dc9
--- /dev/null
+++ b/WebCore/bridge/c/c_runtime.cpp
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    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
+ * 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
+ * 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
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+#if ENABLE(NETSCAPE_PLUGIN_API)
+
+#include "c_runtime.h"
+
+#include "c_instance.h"
+#include "c_utility.h"
+#include "npruntime_impl.h"
+#ifdef ANDROID_NPN_SETEXCEPTION
+#include "runtime/Error.h"
+#endif  // ANDROID_NPN_SETEXCEPTION
+#include <runtime/JSLock.h>
+
+namespace JSC {
+namespace Bindings {
+
+#ifdef ANDROID_NPN_SETEXCEPTION
+/*
+ * When throwing an exception, we need to use the current ExecState.
+ * The following two methods implement a similar solution to the
+ * Objective-C implementation, where _NPN_SetException set a global
+ * exception (using SetGlobalException).
+ * We then test (using MoveGlobalExceptionToExecState) if the exception
+ * is set, after each javascript call that might result in an exception.
+ * If the exception is set we throw it with the passed ExecState.
+ */
+
+static UString* globalLastException = 0;
+
+void SetGlobalException(const NPUTF8* exception)
+{
+    if (globalLastException != 0) {
+        delete globalLastException;
+        globalLastException = 0;
+    }
+    if (exception != 0)
+        globalLastException = new UString(exception);
+}
+
+void MoveGlobalExceptionToExecState(ExecState* exec)
+{
+    if (!globalLastException)
+        return;
+    JSLock lock(exec);
+    throwError(exec, GeneralError, *globalLastException);
+    SetGlobalException(0);
+}
+#endif  // ANDROID_NPN_SETEXCEPTION
+
+// ---------------------- CMethod ----------------------
+
+const char* CMethod::name() const
+{
+    PrivateIdentifier *i = (PrivateIdentifier *)_methodIdentifier;
+    return i->isString ? i->value.string : 0;
+}
+
+// ---------------------- CField ----------------------
+
+const char* CField::name() const
+{
+    PrivateIdentifier *i = (PrivateIdentifier *)_fieldIdentifier;
+    return i->isString ? i->value.string : 0;
+}
+
+JSValue* CField::valueFromInstance(ExecState* exec, const Instance* inst) const
+{
+    const CInstance* instance = static_cast<const CInstance*>(inst);
+    NPObject* obj = instance->getObject();
+    if (obj->_class->getProperty) {
+        NPVariant property;
+        VOID_TO_NPVARIANT(property);
+
+#ifdef ANDROID_NPN_SETEXCEPTION
+        SetGlobalException(0);
+#endif  // ANDROID_NPN_SETEXCEPTION
+        bool result;
+        {
+            JSLock::DropAllLocks dropAllLocks(false);
+            result = obj->_class->getProperty(obj, _fieldIdentifier, &property);
+        }
+#ifdef ANDROID_NPN_SETEXCEPTION
+        MoveGlobalExceptionToExecState(exec);
+#endif  // ANDROID_NPN_SETEXCEPTION
+        if (result) {
+            JSValue* result = convertNPVariantToValue(exec, &property, instance->rootObject());
+            _NPN_ReleaseVariantValue(&property);
+            return result;
+        }
+    }
+    return jsUndefined();
+}
+
+void CField::setValueToInstance(ExecState *exec, const Instance *inst, JSValue* aValue) const
+{
+    const CInstance* instance = static_cast<const CInstance*>(inst);
+    NPObject* obj = instance->getObject();
+    if (obj->_class->setProperty) {
+        NPVariant variant;
+        convertValueToNPVariant(exec, aValue, &variant);
+
+#ifdef ANDROID_NPN_SETEXCEPTION
+        SetGlobalException(0);
+#endif  // ANDROID_NPN_SETEXCEPTION
+        {
+            JSLock::DropAllLocks dropAllLocks(false);
+            obj->_class->setProperty(obj, _fieldIdentifier, &variant);
+        }
+
+        _NPN_ReleaseVariantValue(&variant);
+#ifdef ANDROID_NPN_SETEXCEPTION
+        MoveGlobalExceptionToExecState(exec);
+#endif  // ANDROID_NPN_SETEXCEPTION
+    }
+}
+
+} }
+
+#endif // ENABLE(NETSCAPE_PLUGIN_API)