--- /dev/null
+/*
+ * Copyright (C) 2012 Apple 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 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 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.
+ */
+
+#ifndef JSCTypedArrayStubs_h
+#define JSCTypedArrayStubs_h
+
+#include "JSObject.h"
+#include "ObjectPrototype.h"
+#include <wtf/Float32Array.h>
+#include <wtf/Float64Array.h>
+#include <wtf/Forward.h>
+#include <wtf/Int16Array.h>
+#include <wtf/Int32Array.h>
+#include <wtf/Int8Array.h>
+#include <wtf/Uint16Array.h>
+#include <wtf/Uint32Array.h>
+#include <wtf/Uint8Array.h>
+#include <wtf/Uint8ClampedArray.h>
+
+namespace JSC {
+
+#define TYPED_ARRAY(name, type) \
+class JS##name##Array : public JSNonFinalObject { \
+public: \
+ typedef JSNonFinalObject Base; \
+ static JS##name##Array* create(JSC::Structure* structure, JSGlobalObject* globalObject, PassRefPtr<name##Array> impl) \
+ { \
+ JS##name##Array* ptr = new (NotNull, JSC::allocateCell<JS##name##Array>(globalObject->globalData().heap)) JS##name##Array(structure, globalObject, impl); \
+ ptr->finishCreation(globalObject->globalData()); \
+ return ptr; \
+ }\
+\
+ static bool getOwnPropertySlot(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&);\
+ static bool getOwnPropertyDescriptor(JSC::JSObject*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor&);\
+ static bool getOwnPropertySlotByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::PropertySlot&);\
+ static void put(JSC::JSCell*, JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&);\
+ static void putByIndex(JSC::JSCell*, JSC::ExecState*, unsigned propertyName, JSC::JSValue, bool);\
+ static const JSC::ClassInfo s_info;\
+\
+ static JSC::Structure* createStructure(JSC::JSGlobalData& globalData, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)\
+ {\
+ return JSC::Structure::create(globalData, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), &s_info);\
+ }\
+\
+ static void getOwnPropertyNames(JSC::JSObject*, JSC::ExecState*, JSC::PropertyNameArray&, JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties);\
+ static JSC::JSValue getConstructor(JSC::ExecState*, JSC::JSGlobalObject*);\
+\
+ static const JSC::TypedArrayType TypedArrayStorageType = JSC::TypedArray##name;\
+ uint32_t m_storageLength;\
+ type* m_storage;\
+ RefPtr<name##Array> m_impl;\
+protected:\
+ JS##name##Array(JSC::Structure*, JSGlobalObject*, PassRefPtr<name##Array>);\
+ void finishCreation(JSC::JSGlobalData&);\
+ static const unsigned StructureFlags = JSC::OverridesGetPropertyNames | JSC::OverridesGetOwnPropertySlot | Base::StructureFlags;\
+ JSC::JSValue getByIndex(JSC::ExecState*, unsigned index);\
+ void indexSetter(JSC::ExecState*, unsigned index, JSC::JSValue);\
+};\
+\
+const ClassInfo JS##name##Array::s_info = { #name "Array" , &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JS##name##Array) };\
+\
+JS##name##Array::JS##name##Array(Structure* structure, JSGlobalObject* globalObject, PassRefPtr<name##Array> impl)\
+ : Base(globalObject->globalData(), structure)\
+ , m_impl(impl)\
+{\
+}\
+\
+void JS##name##Array::finishCreation(JSGlobalData& globalData)\
+{\
+ Base::finishCreation(globalData);\
+ TypedArrayDescriptor descriptor(&JS##name##Array::s_info, OBJECT_OFFSETOF(JS##name##Array, m_storage), OBJECT_OFFSETOF(JS##name##Array, m_storageLength));\
+ globalData.registerTypedArrayDescriptor(m_impl.get(), descriptor);\
+ m_storage = m_impl->data();\
+ m_storageLength = m_impl->length();\
+ putDirect(globalData, globalData.propertyNames->length, jsNumber(m_storageLength), DontDelete | ReadOnly | DontEnum); \
+ ASSERT(inherits(&s_info));\
+}\
+\
+bool JS##name##Array::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(cell);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ bool ok;\
+ unsigned index = propertyName.toUInt32(ok);\
+ if (ok && index < thisObject->m_storageLength) {\
+ slot.setValue(thisObject->getByIndex(exec, index));\
+ return true;\
+ }\
+ return Base::getOwnPropertySlot(cell, exec, propertyName, slot);\
+}\
+\
+bool JS##name##Array::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(object);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ bool ok;\
+ unsigned index = propertyName.toUInt32(ok);\
+ if (ok && index < thisObject->m_storageLength) {\
+ descriptor.setDescriptor(thisObject->getByIndex(exec, index), DontDelete);\
+ return true;\
+ }\
+ return Base::getOwnPropertyDescriptor(object, exec, propertyName, descriptor);\
+}\
+\
+bool JS##name##Array::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(cell);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ if (propertyName < thisObject->m_storageLength) {\
+ slot.setValue(thisObject->getByIndex(exec, propertyName));\
+ return true;\
+ }\
+ return thisObject->methodTable()->getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);\
+}\
+\
+void JS##name##Array::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(cell);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ bool ok;\
+ unsigned index = propertyName.toUInt32(ok);\
+ if (ok) {\
+ thisObject->indexSetter(exec, index, value);\
+ return;\
+ }\
+ Base::put(thisObject, exec, propertyName, value, slot);\
+}\
+\
+void JS##name##Array::indexSetter(JSC::ExecState* exec, unsigned index, JSC::JSValue value) \
+{\
+ m_impl->set(index, value.toNumber(exec));\
+}\
+\
+void JS##name##Array::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value, bool)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(cell);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ thisObject->indexSetter(exec, propertyName, value);\
+ return;\
+}\
+\
+void JS##name##Array::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)\
+{\
+ JS##name##Array* thisObject = jsCast<JS##name##Array*>(object);\
+ ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);\
+ for (unsigned i = 0; i < thisObject->m_storageLength; ++i)\
+ propertyNames.add(Identifier::from(exec, i));\
+ Base::getOwnPropertyNames(thisObject, exec, propertyNames, mode);\
+}\
+\
+JSValue JS##name##Array::getByIndex(ExecState*, unsigned index)\
+{\
+ ASSERT_GC_OBJECT_INHERITS(this, &s_info);\
+ type result = m_impl->item(index);\
+ if (isnan((double)result))\
+ return jsNaN();\
+ return JSValue(result);\
+}\
+static EncodedJSValue JSC_HOST_CALL constructJS##name##Array(ExecState* callFrame) { \
+ if (callFrame->argumentCount() < 1) \
+ return JSValue::encode(jsUndefined()); \
+ int32_t length = callFrame->argument(0).toInt32(callFrame); \
+ if (length < 0) \
+ return JSValue::encode(jsUndefined()); \
+ Structure* structure = JS##name##Array::createStructure(callFrame->globalData(), callFrame->lexicalGlobalObject(), callFrame->lexicalGlobalObject()->objectPrototype()); \
+ return JSValue::encode(JS##name##Array::create(structure, callFrame->lexicalGlobalObject(), name##Array::create(length)));\
+}
+
+TYPED_ARRAY(Uint8, uint8_t);
+TYPED_ARRAY(Uint8Clamped, uint8_t);
+TYPED_ARRAY(Uint16, uint16_t);
+TYPED_ARRAY(Uint32, uint32_t);
+TYPED_ARRAY(Int8, int8_t);
+TYPED_ARRAY(Int16, int16_t);
+TYPED_ARRAY(Int32, int32_t);
+TYPED_ARRAY(Float32, float);
+TYPED_ARRAY(Float64, double);
+
+}
+
+#endif
projects / apple / javascriptcore.git / blobdiff