diff options
Diffstat (limited to 'Source/JavaScriptCore/runtime/PutPropertySlot.h')
-rw-r--r-- | Source/JavaScriptCore/runtime/PutPropertySlot.h | 148 |
1 files changed, 100 insertions, 48 deletions
diff --git a/Source/JavaScriptCore/runtime/PutPropertySlot.h b/Source/JavaScriptCore/runtime/PutPropertySlot.h index 0f694e33b..5d10b8290 100644 --- a/Source/JavaScriptCore/runtime/PutPropertySlot.h +++ b/Source/JavaScriptCore/runtime/PutPropertySlot.h @@ -1,6 +1,5 @@ -// -*- mode: c++; c-basic-offset: 4 -*- /* - * Copyright (C) 2008 Apple Inc. All rights reserved. + * Copyright (C) 2008-2015 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -11,10 +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 @@ -27,55 +26,108 @@ #ifndef PutPropertySlot_h #define PutPropertySlot_h +#include "JSCJSValue.h" +#include "PropertyOffset.h" + #include <wtf/Assertions.h> namespace JSC { - class JSObject; - class JSFunction; +class JSObject; +class JSFunction; - class PutPropertySlot { - public: - enum Type { Uncachable, ExistingProperty, NewProperty }; - - PutPropertySlot(bool isStrictMode = false) - : m_type(Uncachable) - , m_base(0) - , m_isStrictMode(isStrictMode) - { - } - - void setExistingProperty(JSObject* base, PropertyOffset offset) - { - m_type = ExistingProperty; - m_base = base; - m_offset = offset; - } - - void setNewProperty(JSObject* base, PropertyOffset offset) - { - m_type = NewProperty; - m_base = base; - m_offset = offset; - } - - Type type() const { return m_type; } - JSObject* base() const { return m_base; } - - bool isStrictMode() const { return m_isStrictMode; } - bool isCacheable() const { return m_type != Uncachable; } - PropertyOffset cachedOffset() const - { - ASSERT(isCacheable()); - return m_offset; - } - - private: - Type m_type; - JSObject* m_base; - PropertyOffset m_offset; - bool m_isStrictMode; - }; +class PutPropertySlot { +public: + enum Type { Uncachable, ExistingProperty, NewProperty, SetterProperty, CustomValue, CustomAccessor }; + enum Context { UnknownContext, PutById, PutByIdEval }; + typedef void (*PutValueFunc)(ExecState*, EncodedJSValue thisObject, EncodedJSValue value); + + PutPropertySlot(JSValue thisValue, bool isStrictMode = false, Context context = UnknownContext, bool isInitialization = false) + : m_type(Uncachable) + , m_base(0) + , m_thisValue(thisValue) + , m_offset(invalidOffset) + , m_isStrictMode(isStrictMode) + , m_isInitialization(isInitialization) + , m_context(context) + , m_putFunction(nullptr) + { + } + + void setExistingProperty(JSObject* base, PropertyOffset offset) + { + m_type = ExistingProperty; + m_base = base; + m_offset = offset; + } + + void setNewProperty(JSObject* base, PropertyOffset offset) + { + m_type = NewProperty; + m_base = base; + m_offset = offset; + } + + void setCustomValue(JSObject* base, PutValueFunc function) + { + m_type = CustomValue; + m_base = base; + m_putFunction = function; + } + + void setCustomAccessor(JSObject* base, PutValueFunc function) + { + m_type = CustomAccessor; + m_base = base; + m_putFunction = function; + } + + void setCacheableSetter(JSObject* base, PropertyOffset offset) + { + m_type = SetterProperty; + m_base = base; + m_offset = offset; + } + + void setThisValue(JSValue thisValue) + { + m_thisValue = thisValue; + } + + PutValueFunc customSetter() const + { + ASSERT(isCacheableCustom()); + return m_putFunction; + } + + Context context() const { return static_cast<Context>(m_context); } + + Type type() const { return m_type; } + JSObject* base() const { return m_base; } + JSValue thisValue() const { return m_thisValue; } + + bool isStrictMode() const { return m_isStrictMode; } + bool isCacheablePut() const { return m_type == NewProperty || m_type == ExistingProperty; } + bool isCacheableSetter() const { return m_type == SetterProperty; } + bool isCacheableCustom() const { return m_type == CustomValue || m_type == CustomAccessor; } + bool isCustomAccessor() const { return m_type == CustomAccessor; } + bool isInitialization() const { return m_isInitialization; } + + PropertyOffset cachedOffset() const + { + return m_offset; + } + +private: + Type m_type; + JSObject* m_base; + JSValue m_thisValue; + PropertyOffset m_offset; + bool m_isStrictMode; + bool m_isInitialization; + uint8_t m_context; + PutValueFunc m_putFunction; +}; } // namespace JSC |