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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArgList.h')
| -rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArgList.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArgList.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArgList.h deleted file mode 100644 index 8e1fdbe..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/ArgList.h +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Copyright (C) 1999-2001 Harri Porten (porten@kde.org) - * Copyright (C) 2003, 2007, 2008, 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 - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef ArgList_h -#define ArgList_h - -#include "Register.h" -#include <wtf/HashSet.h> -#include <wtf/Noncopyable.h> -#include <wtf/Vector.h> - -namespace JSC { - - class MarkStack; - - class MarkedArgumentBuffer : public Noncopyable { - private: - static const unsigned inlineCapacity = 8; - typedef Vector<Register, inlineCapacity> VectorType; - typedef HashSet<MarkedArgumentBuffer*> ListSet; - - public: - typedef VectorType::iterator iterator; - typedef VectorType::const_iterator const_iterator; - - // Constructor for a read-write list, to which you may append values. - // FIXME: Remove all clients of this API, then remove this API. - MarkedArgumentBuffer() - : m_isUsingInlineBuffer(true) - , m_markSet(0) -#ifndef NDEBUG - , m_isReadOnly(false) -#endif - { - m_buffer = m_vector.data(); - m_size = 0; - } - - // Constructor for a read-only list whose data has already been allocated elsewhere. - MarkedArgumentBuffer(Register* buffer, size_t size) - : m_buffer(buffer) - , m_size(size) - , m_isUsingInlineBuffer(true) - , m_markSet(0) -#ifndef NDEBUG - , m_isReadOnly(true) -#endif - { - } - - void initialize(Register* buffer, size_t size) - { - ASSERT(!m_markSet); - ASSERT(isEmpty()); - - m_buffer = buffer; - m_size = size; -#ifndef NDEBUG - m_isReadOnly = true; -#endif - } - - ~MarkedArgumentBuffer() - { - if (m_markSet) - m_markSet->remove(this); - } - - size_t size() const { return m_size; } - bool isEmpty() const { return !m_size; } - - JSValue at(size_t i) const - { - if (i < m_size) - return m_buffer[i].jsValue(); - return jsUndefined(); - } - - void clear() - { - m_vector.clear(); - m_buffer = 0; - m_size = 0; - } - - void append(JSValue v) - { - ASSERT(!m_isReadOnly); - -#if ENABLE(JSC_ZOMBIES) - ASSERT(!v.isZombie()); -#endif - - if (m_isUsingInlineBuffer && m_size < inlineCapacity) { - m_vector.uncheckedAppend(v); - ++m_size; - } else { - // Putting this case all in one function measurably improves - // the performance of the fast "just append to inline buffer" case. - slowAppend(v); - ++m_size; - m_isUsingInlineBuffer = false; - } - } - - void removeLast() - { - ASSERT(m_size); - m_size--; - m_vector.removeLast(); - } - - JSValue last() - { - ASSERT(m_size); - return m_buffer[m_size - 1].jsValue(); - } - - iterator begin() { return m_buffer; } - iterator end() { return m_buffer + m_size; } - - const_iterator begin() const { return m_buffer; } - const_iterator end() const { return m_buffer + m_size; } - - static void markLists(MarkStack&, ListSet&); - - private: - void slowAppend(JSValue); - - Register* m_buffer; - size_t m_size; - bool m_isUsingInlineBuffer; - - VectorType m_vector; - ListSet* m_markSet; -#ifndef NDEBUG - bool m_isReadOnly; -#endif - - private: - // Prohibits new / delete, which would break GC. - friend class JSGlobalData; - - void* operator new(size_t size) - { - return fastMalloc(size); - } - void operator delete(void* p) - { - fastFree(p); - } - - void* operator new[](size_t); - void operator delete[](void*); - - void* operator new(size_t, void*); - void operator delete(void*, size_t); - }; - - class ArgList { - friend class JIT; - public: - typedef JSValue* iterator; - typedef const JSValue* const_iterator; - - ArgList() - : m_args(0) - , m_argCount(0) - { - } - - ArgList(JSValue* args, unsigned argCount) - : m_args(args) - , m_argCount(argCount) - { -#if ENABLE(JSC_ZOMBIES) - for (size_t i = 0; i < argCount; i++) - ASSERT(!m_args[i].isZombie()); -#endif - } - - ArgList(Register* args, int argCount) - : m_args(reinterpret_cast<JSValue*>(args)) - , m_argCount(argCount) - { - ASSERT(argCount >= 0); - } - - ArgList(const MarkedArgumentBuffer& args) - : m_args(reinterpret_cast<JSValue*>(const_cast<Register*>(args.begin()))) - , m_argCount(args.size()) - { - } - - JSValue at(size_t idx) const - { - if (idx < m_argCount) - return m_args[idx]; - return jsUndefined(); - } - - bool isEmpty() const { return !m_argCount; } - - size_t size() const { return m_argCount; } - - iterator begin() { return m_args; } - iterator end() { return m_args + m_argCount; } - - const_iterator begin() const { return m_args; } - const_iterator end() const { return m_args + m_argCount; } - - void getSlice(int startIndex, ArgList& result) const; - private: - JSValue* m_args; - size_t m_argCount; - }; - -} // namespace JSC - -#endif // ArgList_h |