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Diffstat (limited to 'src/declarative/qml/v8/qv8bindings.cpp')
-rw-r--r--src/declarative/qml/v8/qv8bindings.cpp285
1 files changed, 0 insertions, 285 deletions
diff --git a/src/declarative/qml/v8/qv8bindings.cpp b/src/declarative/qml/v8/qv8bindings.cpp
deleted file mode 100644
index 439ba1e1a4..0000000000
--- a/src/declarative/qml/v8/qv8bindings.cpp
+++ /dev/null
@@ -1,285 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/
-**
-** This file is part of the QtDeclarative module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** GNU Lesser General Public License Usage
-** This file may be used under the terms of the GNU Lesser General Public
-** License version 2.1 as published by the Free Software Foundation and
-** appearing in the file LICENSE.LGPL included in the packaging of this
-** file. Please review the following information to ensure the GNU Lesser
-** General Public License version 2.1 requirements will be met:
-** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt 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 3.0 as published by the Free Software Foundation
-** and appearing in the file LICENSE.GPL included in the packaging of this
-** file. Please review the following information to ensure the GNU General
-** Public License version 3.0 requirements will be met:
-** http://www.gnu.org/copyleft/gpl.html.
-**
-** Other Usage
-** Alternatively, this file may be used in accordance with the terms and
-** conditions contained in a signed written agreement between you and Nokia.
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qv8bindings_p.h"
-
-#include <private/qv8_p.h>
-#include <private/qdeclarativebinding_p.h>
-#include <private/qdeclarativecompiler_p.h>
-#include <private/qdeclarativeproperty_p.h>
-#include <private/qdeclarativebinding_p_p.h>
-#include <private/qdeclarativeexpression_p.h>
-#include <private/qobject_p.h>
-#include <private/qdeclarativetrace_p.h>
-#include <private/qdeclarativeprofilerservice_p.h>
-
-QT_BEGIN_NAMESPACE
-
-static QDeclarativeJavaScriptExpression::VTable QV8Bindings_Binding_jsvtable = {
- QV8Bindings::Binding::expressionIdentifier,
- QV8Bindings::Binding::expressionChanged
-};
-
-QV8Bindings::Binding::Binding()
-: QDeclarativeJavaScriptExpression(&QV8Bindings_Binding_jsvtable), target(0), parent(0)
-{
-}
-
-void QV8Bindings::Binding::setEnabled(bool e, QDeclarativePropertyPrivate::WriteFlags flags)
-{
- if (enabledFlag() != e) {
- setEnabledFlag(e);
-
- if (e) update(flags);
- }
-}
-
-void QV8Bindings::refresh()
-{
- int count = functions()->Length();
- for (int ii = 0; ii < count; ++ii)
- bindings[ii].refresh();
-}
-
-void QV8Bindings::Binding::refresh()
-{
- update();
-}
-
-int QV8Bindings::Binding::propertyIndex() const
-{
- return instruction->property.encodedIndex();
-}
-
-QObject *QV8Bindings::Binding::object() const
-{
- return target;
-}
-
-void QV8Bindings::Binding::update(QDeclarativePropertyPrivate::WriteFlags flags)
-{
- if (!enabledFlag())
- return;
-
- QDeclarativeTrace trace("V8 Binding Update");
- trace.addDetail("URL", parent->url());
- trace.addDetail("Line", instruction->line);
- trace.addDetail("Column", instruction->column);
-
- QDeclarativeBindingProfiler prof(parent->urlString(), instruction->line, instruction->column);
-
- QDeclarativeContextData *context = parent->context();
- if (!context || !context->isValid())
- return;
-
- if (!updatingFlag()) {
- setUpdatingFlag(true);
- QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(context->engine);
-
- bool isUndefined = false;
-
- DeleteWatcher watcher(this);
- ep->referenceScarceResources();
-
- v8::HandleScope handle_scope;
- v8::Context::Scope scope(ep->v8engine()->context());
- v8::Local<v8::Value> result =
- evaluate(context,
- v8::Handle<v8::Function>::Cast(parent->functions()->Get(instruction->value)),
- &isUndefined);
-
- trace.event("writing V8 result");
- bool needsErrorData = false;
- if (!watcher.wasDeleted() && !hasError()) {
- typedef QDeclarativePropertyPrivate PP;
- needsErrorData = !PP::writeBinding(target, instruction->property, context, this, result,
- isUndefined, flags);
- }
-
- if (!watcher.wasDeleted()) {
-
- if (needsErrorData) {
- QUrl url = parent->url();
- if (url.isEmpty()) url = QUrl(QLatin1String("<Unknown File>"));
-
- delayedError()->error.setUrl(url);
- delayedError()->error.setLine(instruction->line);
- delayedError()->error.setColumn(-1);
- }
-
- if (hasError()) {
- if (!delayedError()->addError(ep)) ep->warning(delayedError()->error);
- } else {
- clearError();
- }
-
- setUpdatingFlag(false);
- }
-
- ep->dereferenceScarceResources();
-
- } else {
- QDeclarativeProperty p = QDeclarativePropertyPrivate::restore(target, instruction->property,
- context);
- QDeclarativeBindingPrivate::printBindingLoopError(p);
- }
-}
-
-QString QV8Bindings::Binding::expressionIdentifier(QDeclarativeJavaScriptExpression *e)
-{
- Binding *This = static_cast<Binding *>(e);
- return This->parent->urlString() + QLatin1String(":") +
- QString::number(This->instruction->line);
-}
-
-void QV8Bindings::Binding::expressionChanged(QDeclarativeJavaScriptExpression *e)
-{
- Binding *This = static_cast<Binding *>(e);
- This->update(QDeclarativePropertyPrivate::DontRemoveBinding);
-}
-
-void QV8Bindings::Binding::destroy()
-{
- setEnabledFlag(false);
- removeFromObject();
- clear();
- clearError();
- parent->release();
-}
-
-QV8Bindings::QV8Bindings(QDeclarativeCompiledData::V8Program *program,
- int line,
- QDeclarativeContextData *context)
-: program(program), bindings(0), refCount(1)
-{
- program->cdata->addref();
-
- QV8Engine *engine = QDeclarativeEnginePrivate::getV8Engine(context->engine);
-
- if (program->bindings.IsEmpty()) {
- v8::HandleScope handle_scope;
- v8::Context::Scope scope(engine->context());
-
- v8::Local<v8::Script> script;
- bool compileFailed = false;
- {
- v8::TryCatch try_catch;
- const QByteArray &source = program->program;
- script = engine->qmlModeCompile(source.constData(), source.length(),
- program->cdata->name, line);
- if (try_catch.HasCaught()) {
- // The binding was not compiled. There are some exceptional cases which the
- // expression rewriter does not rewrite properly (e.g., \r-terminated lines
- // are not rewritten correctly but this bug is demed out-of-scope to fix for
- // performance reasons; see QTBUG-24064).
- compileFailed = true;
- QDeclarativeError error;
- error.setDescription(QString(QLatin1String("Exception occurred during compilation of binding at line: %1")).arg(line));
- v8::Local<v8::Message> message = try_catch.Message();
- if (!message.IsEmpty())
- QDeclarativeExpressionPrivate::exceptionToError(message, error);
- QDeclarativeEnginePrivate::get(engine->engine())->warning(error);
- program->bindings = qPersistentNew(v8::Array::New());
- }
- }
-
- if (!compileFailed) {
- v8::Local<v8::Value> result = script->Run(engine->contextWrapper()->sharedContext());
- if (result->IsArray()) {
- program->bindings = qPersistentNew(v8::Local<v8::Array>::Cast(result));
- program->program.clear(); // We don't need the source anymore
- }
- }
- }
-
- int bindingsCount = functions()->Length();
- if (bindingsCount) bindings = new QV8Bindings::Binding[bindingsCount];
-
- setContext(context);
-}
-
-QV8Bindings::~QV8Bindings()
-{
- program->cdata->release();
- program = 0;
-
- delete [] bindings;
- bindings = 0;
-}
-
-QDeclarativeAbstractBinding *
-QV8Bindings::configBinding(QObject *target, QObject *scope,
- const QDeclarativeInstruction::instr_assignBinding *i)
-{
- if (!bindings) // initialization failed.
- return 0;
-
- QV8Bindings::Binding *rv = bindings + i->value;
-
- rv->instruction = i;
- rv->target = target;
- rv->setScopeObject(scope);
- rv->setUseSharedContext(true);
- rv->setNotifyOnValueChanged(true);
- rv->parent = this;
-
- addref(); // This is decremented in Binding::destroy()
-
- return rv;
-}
-
-const QUrl &QV8Bindings::url() const
-{
- return program->cdata->url;
-}
-
-const QString &QV8Bindings::urlString() const
-{
- return program->cdata->name;
-}
-
-v8::Persistent<v8::Array> &QV8Bindings::functions() const
-{
- return program->bindings;
-}
-
-
-QT_END_NAMESPACE
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-01 02:28:44 +0000