diff options
Diffstat (limited to 'src/qml/jsruntime/qv4engine_p.h')
| -rw-r--r-- | src/qml/jsruntime/qv4engine_p.h | 72 |
1 files changed, 58 insertions, 14 deletions
diff --git a/src/qml/jsruntime/qv4engine_p.h b/src/qml/jsruntime/qv4engine_p.h index 7fc880023f..aeb2533d35 100644 --- a/src/qml/jsruntime/qv4engine_p.h +++ b/src/qml/jsruntime/qv4engine_p.h @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -51,6 +57,10 @@ #include "qv4internalclass_p.h" #include <private/qintrusivelist_p.h> +#ifndef V4_BOOTSTRAP +# include <private/qv8engine_p.h> +#endif + namespace WTF { class BumpPointerAllocator; class PageAllocation; @@ -129,8 +139,13 @@ public: Function *globalCode; +#ifdef V4_BOOTSTRAP QJSEngine *jsEngine() const; QQmlEngine *qmlEngine() const; +#else // !V4_BOOTSTRAP + QJSEngine *jsEngine() const { return v8Engine->publicEngine(); } + QQmlEngine *qmlEngine() const { return v8Engine->engine(); } +#endif // V4_BOOTSTRAP QV8Engine *v8Engine; enum JSObjects { @@ -490,6 +505,35 @@ inline void ExecutionEngine::popContext() current = currentContext->d(); } +inline ExecutionContext *ExecutionEngine::parentContext(ExecutionContext *context) const +{ + Value *offset = static_cast<Value *>(context) + 1; + Q_ASSERT(offset->isInteger()); + int o = offset->integerValue(); + return o ? context - o : 0; +} + +inline Heap::QmlContext *ExecutionEngine::qmlContext() const +{ + Heap::ExecutionContext *ctx = current; + + // get the correct context when we're within a builtin function + if (ctx->type == Heap::ExecutionContext::Type_SimpleCallContext && !ctx->outer) + ctx = parentContext(currentContext)->d(); + + if (ctx->type != Heap::ExecutionContext::Type_QmlContext && !ctx->outer) + return 0; + + while (ctx->outer && ctx->outer->type != Heap::ExecutionContext::Type_GlobalContext) + ctx = ctx->outer; + + Q_ASSERT(ctx); + if (ctx->type != Heap::ExecutionContext::Type_QmlContext) + return 0; + + return static_cast<Heap::QmlContext *>(ctx); +} + inline void Heap::Base::mark(QV4::ExecutionEngine *engine) { |