1 files changed, 166 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlscriptdata.cpp b/src/qml/qml/qqmlscriptdata.cpp
new file mode 100644
index 0000000000..ae268ca904
--- /dev/null
+++ b/src/qml/qml/qqmlscriptdata.cpp
@@ -0,0 +1,166 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 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 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.
+**
+** 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <private/qqmlscriptdata_p.h>
+#include <private/qqmlcontext_p.h>
+#include <private/qqmlengine_p.h>
+#include <private/qqmlscriptblob_p.h>
+#include <private/qv4engine_p.h>
+#include <private/qv4scopedvalue_p.h>
+#include <private/qv4object_p.h>
+#include <private/qv4qmlcontext_p.h>
+#include <private/qv4module_p.h>
+
+QT_BEGIN_NAMESPACE
+
+QQmlScriptData::QQmlScriptData()
+    : typeNameCache(nullptr)
+      , m_loaded(false)
+{
+}
+
+QQmlContextData *QQmlScriptData::qmlContextDataForContext(QQmlContextData *parentQmlContextData)
+{
+    Q_ASSERT(parentQmlContextData && parentQmlContextData->engine);
+
+    if (m_precompiledScript->isESModule())
+        return nullptr;
+
+    auto qmlContextData = new QQmlContextData();
+
+    qmlContextData->isInternal = true;
+    qmlContextData->isJSContext = true;
+    if (m_precompiledScript->isSharedLibrary())
+        qmlContextData->isPragmaLibraryContext = true;
+    else
+        qmlContextData->isPragmaLibraryContext = parentQmlContextData->isPragmaLibraryContext;
+    qmlContextData->baseUrl = url;
+    qmlContextData->baseUrlString = urlString;
+
+    // For backward compatibility, if there are no imports, we need to use the
+    // imports from the parent context.  See QTBUG-17518.
+    if (!typeNameCache->isEmpty()) {
+        qmlContextData->imports = typeNameCache;
+    } else if (!m_precompiledScript->isSharedLibrary()) {
+        qmlContextData->imports = parentQmlContextData->imports;
+        qmlContextData->importedScripts = parentQmlContextData->importedScripts;
+    }
+
+    if (!m_precompiledScript->isSharedLibrary()) {
+        qmlContextData->setParent(parentQmlContextData);
+    } else {
+        qmlContextData->engine = parentQmlContextData->engine; // Fix for QTBUG-21620
+    }
+
+    QV4::ExecutionEngine *v4 = parentQmlContextData->engine->handle();
+    QV4::Scope scope(v4);
+    QV4::ScopedObject scriptsArray(scope);
+    if (qmlContextData->importedScripts.isNullOrUndefined()) {
+        scriptsArray = v4->newArrayObject(scripts.count());
+        qmlContextData->importedScripts.set(v4, scriptsArray);
+    } else {
+        scriptsArray = qmlContextData->importedScripts.valueRef();
+    }
+    QV4::ScopedValue v(scope);
+    for (int ii = 0; ii < scripts.count(); ++ii)
+        scriptsArray->put(ii, (v = scripts.at(ii)->scriptData()->scriptValueForContext(qmlContextData)));
+
+    return qmlContextData;
+}
+
+QV4::ReturnedValue QQmlScriptData::scriptValueForContext(QQmlContextData *parentQmlContextData)
+{
+    if (m_loaded)
+        return m_value.value();
+
+    Q_ASSERT(parentQmlContextData && parentQmlContextData->engine);
+    QV4::ExecutionEngine *v4 = parentQmlContextData->engine->handle();
+    QV4::Scope scope(v4);
+
+    if (!hasEngine()) {
+        addToEngine(parentQmlContextData->engine);
+        addref();
+    }
+
+    QQmlContextDataRef qmlContextData = qmlContextDataForContext(parentQmlContextData);
+    QV4::Scoped<QV4::QmlContext> qmlExecutionContext(scope);
+    if (qmlContextData)
+        qmlExecutionContext =
+                QV4::QmlContext::create(v4->rootContext(), qmlContextData, /* scopeObject: */ nullptr);
+
+    QV4::Scoped<QV4::Module> module(scope, m_precompiledScript->instantiate(v4));
+    if (module) {
+        if (qmlContextData) {
+            module->d()->scope->outer.set(v4, qmlExecutionContext->d());
+            qmlExecutionContext->d()->qml()->module.set(v4, module->d());
+        }
+
+        module->evaluate();
+    }
+
+    if (v4->hasException) {
+        QQmlError error = v4->catchExceptionAsQmlError();
+        if (error.isValid())
+            QQmlEnginePrivate::get(v4)->warning(error);
+    }
+
+    QV4::ScopedValue value(scope);
+    if (qmlContextData)
+        value = qmlExecutionContext->d()->qml();
+    else if (module)
+        value = module->d();
+
+    if (m_precompiledScript->isSharedLibrary() || m_precompiledScript->isESModule()) {
+        m_loaded = true;
+        m_value.set(v4, value);
+    }
+
+    return value->asReturnedValue();
+}
+
+void QQmlScriptData::clear()
+{
+    typeNameCache = nullptr;
+    scripts.clear();
+
+    // An addref() was made when the QQmlCleanup was added to the engine.
+    release();
+}
+
+QT_END_NAMESPACE