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Diffstat (limited to 'src/declarative/qml/qdeclarativecompiler.cpp')
| -rw-r--r-- | src/declarative/qml/qdeclarativecompiler.cpp | 3882 |
1 files changed, 0 insertions, 3882 deletions
diff --git a/src/declarative/qml/qdeclarativecompiler.cpp b/src/declarative/qml/qdeclarativecompiler.cpp deleted file mode 100644 index c4efc85461..0000000000 --- a/src/declarative/qml/qdeclarativecompiler.cpp +++ /dev/null @@ -1,3882 +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 "qdeclarativecompiler_p.h" - -#include "qdeclarativepropertyvaluesource.h" -#include "qdeclarativecomponent.h" -#include <private/qmetaobjectbuilder_p.h> -#include <private/qfastmetabuilder_p.h> -#include "qdeclarativestringconverters_p.h" -#include "qdeclarativeengine_p.h" -#include "qdeclarativeengine.h" -#include "qdeclarativecontext.h" -#include "qdeclarativemetatype_p.h" -#include "qdeclarativecustomparser_p_p.h" -#include "qdeclarativecontext_p.h" -#include "qdeclarativecomponent_p.h" -#include <private/qdeclarativejsast_p.h> -#include "qdeclarativevmemetaobject_p.h" -#include "qdeclarativeexpression_p.h" -#include "qdeclarativeproperty_p.h" -#include "qdeclarativerewrite_p.h" -#include "qdeclarativescriptstring.h" -#include "qdeclarativeglobal_p.h" -#include "qdeclarativebinding_p.h" -#include <private/qv4compiler_p.h> - -#include <QColor> -#include <QDebug> -#include <QPointF> -#include <QSizeF> -#include <QRectF> -#include <QAtomicInt> -#include <QtCore/qdebug.h> -#include <QtCore/qdatetime.h> - -Q_DECLARE_METATYPE(QList<int>) -Q_DECLARE_METATYPE(QList<qreal>) -Q_DECLARE_METATYPE(QList<bool>) -Q_DECLARE_METATYPE(QList<QString>) -Q_DECLARE_METATYPE(QList<QUrl>) - -QT_BEGIN_NAMESPACE - -DEFINE_BOOL_CONFIG_OPTION(compilerDump, QML_COMPILER_DUMP); -DEFINE_BOOL_CONFIG_OPTION(compilerStatDump, QML_COMPILER_STATS); - -using namespace QDeclarativeJS; -using namespace QDeclarativeScript; -using namespace QDeclarativeCompilerTypes; - -static QString id_string(QLatin1String("id")); -static QString on_string(QLatin1String("on")); -static QString Changed_string(QLatin1String("Changed")); -static QString Component_string(QLatin1String("Component")); -static QString Component_import_string(QLatin1String("QML/Component")); -static QString qsTr_string(QLatin1String("qsTr")); -static QString qsTrId_string(QLatin1String("qsTrId")); - -/*! - Instantiate a new QDeclarativeCompiler. -*/ -QDeclarativeCompiler::QDeclarativeCompiler(QDeclarativePool *pool) -: pool(pool), output(0), engine(0), unitRoot(0), unit(0), cachedComponentTypeRef(-1), - cachedTranslationContextIndex(-1), componentStats(0) -{ - if (compilerStatDump()) - componentStats = pool->New<ComponentStats>(); -} - -/*! - Returns true if the last call to compile() caused errors. - - \sa errors() -*/ -bool QDeclarativeCompiler::isError() const -{ - return !exceptions.isEmpty(); -} - -/*! - Return the list of errors from the last call to compile(), or an empty list - if there were no errors. -*/ -QList<QDeclarativeError> QDeclarativeCompiler::errors() const -{ - return exceptions; -} - -/*! - Returns true if \a name refers to an attached property, false otherwise. - - Attached property names are those that start with a capital letter. -*/ -bool QDeclarativeCompiler::isAttachedPropertyName(const QString &name) -{ - return isAttachedPropertyName(QHashedStringRef(&name)); -} - -bool QDeclarativeCompiler::isAttachedPropertyName(const QHashedStringRef &name) -{ - return !name.isEmpty() && name.at(0).isUpper(); -} - -/*! - Returns true if \a name refers to a signal property, false otherwise. - - Signal property names are those that start with "on", followed by a first - character which is either a capital letter or one or more underscores followed - by a capital letter, which is then followed by other allowed characters. - - Note that although ECMA-262r3 supports dollarsigns and escaped unicode - character codes in property names, for simplicity and performance reasons - QML only supports letters, numbers and underscores. -*/ -bool QDeclarativeCompiler::isSignalPropertyName(const QString &name) -{ - return isSignalPropertyName(QStringRef(&name)); -} - -bool QDeclarativeCompiler::isSignalPropertyName(const QHashedStringRef &name) -{ - if (name.length() < 3) return false; - if (!name.startsWith(on_string)) return false; - int ns = name.length(); - for (int i = 2; i < ns; ++i) { - const QChar curr = name.at(i); - if (curr.unicode() == '_') continue; - if (curr.isUpper()) return true; - return false; - } - return false; // consists solely of underscores - invalid. -} - -/*! - \macro COMPILE_EXCEPTION - \internal - Inserts an error into the QDeclarativeCompiler error list, and returns false - (failure). - - \a token is used to source the error line and column, and \a desc is the - error itself. \a desc can be an expression that can be piped into QDebug. - - For example: - - \code - COMPILE_EXCEPTION(property, tr("Error for property \"%1\"").arg(property->name)); - \endcode -*/ -#define COMPILE_EXCEPTION_LOCATION(line, column, desc) \ - { \ - QDeclarativeError error; \ - error.setUrl(output->url); \ - error.setLine(line); \ - error.setColumn(column); \ - error.setDescription(desc.trimmed()); \ - exceptions << error; \ - return false; \ - } - -#define COMPILE_EXCEPTION(token, desc) \ - COMPILE_EXCEPTION_LOCATION((token)->location.start.line, (token)->location.start.column, desc) - -/*! - \macro COMPILE_CHECK - \internal - Returns false if \a is false, otherwise does nothing. -*/ -#define COMPILE_CHECK(a) \ - { \ - if (!a) return false; \ - } - -/*! - Returns true if literal \a v can be assigned to property \a prop, otherwise - false. - - This test corresponds to action taken by genLiteralAssignment(). Any change - made here, must have a corresponding action in genLiteralAssigment(). -*/ -bool QDeclarativeCompiler::testLiteralAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Value *v) -{ - const QDeclarativeScript::Variant &value = v->value; - - if (!prop->core.isWritable() && !prop->isReadOnlyDeclaration) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - - if (prop->core.isEnum()) { - QMetaProperty p = prop->parent->metaObject()->property(prop->index); - int enumValue; - bool ok; - if (p.isFlagType()) { - enumValue = p.enumerator().keysToValue(value.asString().toUtf8().constData(), &ok); - } else - enumValue = p.enumerator().keyToValue(value.asString().toUtf8().constData(), &ok); - - if (!ok) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: unknown enumeration")); - - v->value = QDeclarativeScript::Variant((double)enumValue); - return true; - } - - int type = prop->type; - - switch(type) { - case QMetaType::QVariant: - break; - case QVariant::String: - if (!v->value.isString()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: string expected")); - break; - case QVariant::StringList: // we expect a string literal. A string list is not a literal assignment. - if (!v->value.isString()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: string or string list expected")); - break; - case QVariant::ByteArray: - if (!v->value.isString()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: byte array expected")); - break; - case QVariant::Url: - if (!v->value.isString()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: url expected")); - break; - case QVariant::RegExp: - COMPILE_EXCEPTION(v, tr("Invalid property assignment: regular expression expected; use /pattern/ syntax")); - break; - case QVariant::UInt: - { - bool ok = v->value.isNumber(); - if (ok) { - double n = v->value.asNumber(); - if (double(uint(n)) != n) - ok = false; - } - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: unsigned int expected")); - } - break; - case QVariant::Int: - { - bool ok = v->value.isNumber(); - if (ok) { - double n = v->value.asNumber(); - if (double(int(n)) != n) - ok = false; - } - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: int expected")); - } - break; - case QMetaType::Float: - if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: number expected")); - break; - case QVariant::Double: - if (!v->value.isNumber()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: number expected")); - break; - case QVariant::Color: - { - bool ok; - QDeclarativeStringConverters::colorFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: color expected")); - } - break; -#ifndef QT_NO_DATESTRING - case QVariant::Date: - { - bool ok; - QDeclarativeStringConverters::dateFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: date expected")); - } - break; - case QVariant::Time: - { - bool ok; - QDeclarativeStringConverters::timeFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: time expected")); - } - break; - case QVariant::DateTime: - { - bool ok; - QDeclarativeStringConverters::dateTimeFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: datetime expected")); - } - break; -#endif // QT_NO_DATESTRING - case QVariant::Point: - case QVariant::PointF: - { - bool ok; - QDeclarativeStringConverters::pointFFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: point expected")); - } - break; - case QVariant::Size: - case QVariant::SizeF: - { - bool ok; - QDeclarativeStringConverters::sizeFFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: size expected")); - } - break; - case QVariant::Rect: - case QVariant::RectF: - { - bool ok; - QDeclarativeStringConverters::rectFFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: rect expected")); - } - break; - case QVariant::Bool: - { - if (!v->value.isBoolean()) COMPILE_EXCEPTION(v, tr("Invalid property assignment: boolean expected")); - } - break; - case QVariant::Vector3D: - { - bool ok; - QDeclarativeStringConverters::vector3DFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: 3D vector expected")); - } - break; - case QVariant::Vector4D: - { - bool ok; - QDeclarativeStringConverters::vector4DFromString(value.asString(), &ok); - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: 4D vector expected")); - } - break; - default: - { - // check if assigning a literal value to a list property. - // in each case, check the singular, since an Array of the specified type - // will not go via this literal assignment codepath. - if (type == qMetaTypeId<QList<qreal> >()) { - if (!v->value.isNumber()) { - COMPILE_EXCEPTION(v, tr("Invalid property assignment: real or array of reals expected")); - } - break; - } else if (type == qMetaTypeId<QList<int> >()) { - bool ok = v->value.isNumber(); - if (ok) { - double n = v->value.asNumber(); - if (double(int(n)) != n) - ok = false; - } - if (!ok) COMPILE_EXCEPTION(v, tr("Invalid property assignment: int or array of ints expected")); - break; - } else if (type == qMetaTypeId<QList<bool> >()) { - if (!v->value.isBoolean()) { - COMPILE_EXCEPTION(v, tr("Invalid property assignment: bool or array of bools expected")); - } - break; - } else if (type == qMetaTypeId<QList<QString> >()) { // we expect a string literal. A string list is not a literal assignment. - if (!v->value.isString()) { - COMPILE_EXCEPTION(v, tr("Invalid property assignment: string or array of strings expected")); - } - break; - } else if (type == qMetaTypeId<QList<QUrl> >()) { - if (!v->value.isString()) { - COMPILE_EXCEPTION(v, tr("Invalid property assignment: url or array of urls expected")); - } - break; - } - - // otherwise, check for existence of string converter to custom type - QDeclarativeMetaType::StringConverter converter = QDeclarativeMetaType::customStringConverter(type); - if (!converter) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: unsupported type \"%1\"").arg(QString::fromLatin1(QVariant::typeToName((QVariant::Type)type)))); - } - break; - } - return true; -} - -static QUrl urlFromUserString(const QString &data) -{ - QUrl u; - // Preserve any valid percent-encoded octets supplied by the source - u.setEncodedUrl(data.toUtf8(), QUrl::TolerantMode); - return u; -} - -/*! - Generate a store instruction for assigning literal \a v to property \a prop. - - Any literal assignment that is approved in testLiteralAssignment() must have - a corresponding action in this method. -*/ -void QDeclarativeCompiler::genLiteralAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Value *v) -{ - if (prop->core.isEnum()) { - Q_ASSERT(v->value.isNumber()); - // Preresolved value - int value = (int)v->value.asNumber(); - - Instruction::StoreInteger instr; - instr.propertyIndex = prop->index; - instr.value = value; - output->addInstruction(instr); - return; - } - - int type = prop->type; - switch(type) { - case QMetaType::QVariant: - { - if (v->value.isNumber()) { - double n = v->value.asNumber(); - if (double(int(n)) == n) { - if (prop->core.isVMEProperty()) { - Instruction::StoreVarInteger instr; - instr.propertyIndex = prop->index; - instr.value = int(n); - output->addInstruction(instr); - } else { - Instruction::StoreVariantInteger instr; - instr.propertyIndex = prop->index; - instr.value = int(n); - output->addInstruction(instr); - } - } else { - if (prop->core.isVMEProperty()) { - Instruction::StoreVarDouble instr; - instr.propertyIndex = prop->index; - instr.value = n; - output->addInstruction(instr); - } else { - Instruction::StoreVariantDouble instr; - instr.propertyIndex = prop->index; - instr.value = n; - output->addInstruction(instr); - } - } - } else if (v->value.isBoolean()) { - if (prop->core.isVMEProperty()) { - Instruction::StoreVarBool instr; - instr.propertyIndex = prop->index; - instr.value = v->value.asBoolean(); - output->addInstruction(instr); - } else { - Instruction::StoreVariantBool instr; - instr.propertyIndex = prop->index; - instr.value = v->value.asBoolean(); - output->addInstruction(instr); - } - } else { - if (prop->core.isVMEProperty()) { - Instruction::StoreVar instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForString(v->value.asString()); - output->addInstruction(instr); - } else { - Instruction::StoreVariant instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForString(v->value.asString()); - output->addInstruction(instr); - } - } - } - break; - case QVariant::String: - { - Instruction::StoreString instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForString(v->value.asString()); - output->addInstruction(instr); - } - break; - case QVariant::StringList: - { - Instruction::StoreStringList instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForString(v->value.asString()); - output->addInstruction(instr); - } - break; - case QVariant::ByteArray: - { - Instruction::StoreByteArray instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForByteArray(v->value.asString().toLatin1()); - output->addInstruction(instr); - } - break; - case QVariant::Url: - { - Instruction::StoreUrl instr; - QString string = v->value.asString(); - QUrl u = string.isEmpty() ? QUrl() : output->url.resolved(urlFromUserString(string)); - instr.propertyIndex = prop->index; - instr.value = output->indexForUrl(u); - output->addInstruction(instr); - } - break; - case QVariant::UInt: - { - Instruction::StoreInteger instr; - instr.propertyIndex = prop->index; - instr.value = uint(v->value.asNumber()); - output->addInstruction(instr); - } - break; - case QVariant::Int: - { - Instruction::StoreInteger instr; - instr.propertyIndex = prop->index; - instr.value = int(v->value.asNumber()); - output->addInstruction(instr); - } - break; - case QMetaType::Float: - { - Instruction::StoreFloat instr; - instr.propertyIndex = prop->index; - instr.value = float(v->value.asNumber()); - output->addInstruction(instr); - } - break; - case QVariant::Double: - { - Instruction::StoreDouble instr; - instr.propertyIndex = prop->index; - instr.value = v->value.asNumber(); - output->addInstruction(instr); - } - break; - case QVariant::Color: - { - Instruction::StoreColor instr; - QColor c = QDeclarativeStringConverters::colorFromString(v->value.asString()); - instr.propertyIndex = prop->index; - instr.value = c.rgba(); - output->addInstruction(instr); - } - break; -#ifndef QT_NO_DATESTRING - case QVariant::Date: - { - Instruction::StoreDate instr; - QDate d = QDeclarativeStringConverters::dateFromString(v->value.asString()); - instr.propertyIndex = prop->index; - instr.value = d.toJulianDay(); - output->addInstruction(instr); - } - break; - case QVariant::Time: - { - Instruction::StoreTime instr; - QTime time = QDeclarativeStringConverters::timeFromString(v->value.asString()); - instr.propertyIndex = prop->index; - Q_ASSERT(sizeof(instr.time) == sizeof(QTime)); - ::memcpy(&instr.time, &time, sizeof(QTime)); - output->addInstruction(instr); - } - break; - case QVariant::DateTime: - { - Instruction::StoreDateTime instr; - QDateTime dateTime = QDeclarativeStringConverters::dateTimeFromString(v->value.asString()); - QTime time = dateTime.time(); - instr.propertyIndex = prop->index; - instr.date = dateTime.date().toJulianDay(); - Q_ASSERT(sizeof(instr.time) == sizeof(QTime)); - ::memcpy(&instr.time, &time, sizeof(QTime)); - output->addInstruction(instr); - } - break; -#endif // QT_NO_DATESTRING - case QVariant::Point: - { - Instruction::StorePoint instr; - bool ok; - QPoint point = QDeclarativeStringConverters::pointFFromString(v->value.asString(), &ok).toPoint(); - instr.propertyIndex = prop->index; - instr.point.xp = point.x(); - instr.point.yp = point.y(); - output->addInstruction(instr); - } - break; - case QVariant::PointF: - { - Instruction::StorePointF instr; - bool ok; - QPointF point = QDeclarativeStringConverters::pointFFromString(v->value.asString(), &ok); - instr.propertyIndex = prop->index; - instr.point.xp = point.x(); - instr.point.yp = point.y(); - output->addInstruction(instr); - } - break; - case QVariant::Size: - { - Instruction::StoreSize instr; - bool ok; - QSize size = QDeclarativeStringConverters::sizeFFromString(v->value.asString(), &ok).toSize(); - instr.propertyIndex = prop->index; - instr.size.wd = size.width(); - instr.size.ht = size.height(); - output->addInstruction(instr); - } - break; - case QVariant::SizeF: - { - Instruction::StoreSizeF instr; - bool ok; - QSizeF size = QDeclarativeStringConverters::sizeFFromString(v->value.asString(), &ok); - instr.propertyIndex = prop->index; - instr.size.wd = size.width(); - instr.size.ht = size.height(); - output->addInstruction(instr); - } - break; - case QVariant::Rect: - { - Instruction::StoreRect instr; - bool ok; - QRect rect = QDeclarativeStringConverters::rectFFromString(v->value.asString(), &ok).toRect(); - instr.propertyIndex = prop->index; - instr.rect.x1 = rect.left(); - instr.rect.y1 = rect.top(); - instr.rect.x2 = rect.right(); - instr.rect.y2 = rect.bottom(); - output->addInstruction(instr); - } - break; - case QVariant::RectF: - { - Instruction::StoreRectF instr; - bool ok; - QRectF rect = QDeclarativeStringConverters::rectFFromString(v->value.asString(), &ok); - instr.propertyIndex = prop->index; - instr.rect.xp = rect.left(); - instr.rect.yp = rect.top(); - instr.rect.w = rect.width(); - instr.rect.h = rect.height(); - output->addInstruction(instr); - } - break; - case QVariant::Bool: - { - Instruction::StoreBool instr; - bool b = v->value.asBoolean(); - instr.propertyIndex = prop->index; - instr.value = b; - output->addInstruction(instr); - } - break; - case QVariant::Vector3D: - { - Instruction::StoreVector3D instr; - bool ok; - QVector3D vector = QDeclarativeStringConverters::vector3DFromString(v->value.asString(), &ok); - instr.propertyIndex = prop->index; - instr.vector.xp = vector.x(); - instr.vector.yp = vector.y(); - instr.vector.zp = vector.z(); - output->addInstruction(instr); - } - break; - case QVariant::Vector4D: - { - Instruction::StoreVector4D instr; - bool ok; - QVector4D vector = QDeclarativeStringConverters::vector4DFromString(v->value.asString(), &ok); - instr.propertyIndex = prop->index; - instr.vector.xp = vector.x(); - instr.vector.yp = vector.y(); - instr.vector.zp = vector.z(); - instr.vector.wp = vector.w(); - output->addInstruction(instr); - } - break; - default: - { - // generate single literal value assignment to a list property if required - if (type == qMetaTypeId<QList<qreal> >()) { - Instruction::StoreDoubleQList instr; - instr.propertyIndex = prop->index; - instr.value = v->value.asNumber(); - output->addInstruction(instr); - break; - } else if (type == qMetaTypeId<QList<int> >()) { - Instruction::StoreIntegerQList instr; - instr.propertyIndex = prop->index; - instr.value = int(v->value.asNumber()); - output->addInstruction(instr); - break; - } else if (type == qMetaTypeId<QList<bool> >()) { - Instruction::StoreBoolQList instr; - bool b = v->value.asBoolean(); - instr.propertyIndex = prop->index; - instr.value = b; - output->addInstruction(instr); - break; - } else if (type == qMetaTypeId<QList<QUrl> >()) { - Instruction::StoreUrlQList instr; - QString string = v->value.asString(); - QUrl u = string.isEmpty() ? QUrl() : output->url.resolved(urlFromUserString(string)); - instr.propertyIndex = prop->index; - instr.value = output->indexForUrl(u); - output->addInstruction(instr); - break; - } else if (type == qMetaTypeId<QList<QString> >()) { - Instruction::StoreStringQList instr; - instr.propertyIndex = prop->index; - instr.value = output->indexForString(v->value.asString()); - output->addInstruction(instr); - break; - } - - // otherwise, generate custom type literal assignment - Instruction::AssignCustomType instr; - instr.propertyIndex = prop->index; - instr.primitive = output->indexForString(v->value.asString()); - instr.type = type; - output->addInstruction(instr); - } - break; - } -} - -/*! - Resets data by clearing the lists that the QDeclarativeCompiler modifies. -*/ -void QDeclarativeCompiler::reset(QDeclarativeCompiledData *data) -{ - data->types.clear(); - data->primitives.clear(); - data->datas.clear(); - data->bytecode.resize(0); -} - -/*! - Compile \a unit, and store the output in \a out. \a engine is the QDeclarativeEngine - with which the QDeclarativeCompiledData will be associated. - - Returns true on success, false on failure. On failure, the compile errors - are available from errors(). - - If the environment variant QML_COMPILER_DUMP is set - (eg. QML_COMPILER_DUMP=1) the compiled instructions will be dumped to stderr - on a successful compiler. -*/ -bool QDeclarativeCompiler::compile(QDeclarativeEngine *engine, - QDeclarativeTypeData *unit, - QDeclarativeCompiledData *out) -{ - exceptions.clear(); - - Q_ASSERT(out); - reset(out); - - QDeclarativeScript::Object *root = unit->parser().tree(); - Q_ASSERT(root); - - this->engine = engine; - this->enginePrivate = QDeclarativeEnginePrivate::get(engine); - this->unit = unit; - this->unitRoot = root; - this->output = out; - - // Compile types - const QList<QDeclarativeTypeData::TypeReference> &resolvedTypes = unit->resolvedTypes(); - QList<QDeclarativeScript::TypeReference *> referencedTypes = unit->parser().referencedTypes(); - - for (int ii = 0; ii < resolvedTypes.count(); ++ii) { - QDeclarativeCompiledData::TypeReference ref; - - const QDeclarativeTypeData::TypeReference &tref = resolvedTypes.at(ii); - QDeclarativeScript::TypeReference *parserRef = referencedTypes.at(ii); - - if (tref.type) { - ref.type = tref.type; - if (!ref.type->isCreatable()) { - QString err = ref.type->noCreationReason(); - if (err.isEmpty()) - err = tr( "Element is not creatable."); - COMPILE_EXCEPTION(parserRef->refObjects.first(), err); - } - - if (ref.type->containsRevisionedAttributes()) { - QDeclarativeError cacheError; - ref.typePropertyCache = enginePrivate->cache(ref.type, resolvedTypes.at(ii).minorVersion, - cacheError); - if (!ref.typePropertyCache) - COMPILE_EXCEPTION(parserRef->refObjects.first(), cacheError.description()); - ref.typePropertyCache->addref(); - } - - } else if (tref.typeData) { - ref.component = tref.typeData->compiledData(); - } - ref.className = parserRef->name; - out->types << ref; - } - - compileTree(root); - - if (!isError()) { - if (compilerDump()) - out->dumpInstructions(); - if (componentStats) - dumpStats(); - Q_ASSERT(out->rootPropertyCache); - } else { - reset(out); - } - - compileState = 0; - output = 0; - this->engine = 0; - this->enginePrivate = 0; - this->unit = 0; - this->cachedComponentTypeRef = -1; - this->cachedTranslationContextIndex = -1; - this->unitRoot = 0; - - return !isError(); -} - -void QDeclarativeCompiler::compileTree(QDeclarativeScript::Object *tree) -{ - compileState = pool->New<ComponentCompileState>(); - - compileState->root = tree; - if (componentStats) - componentStats->componentStat.lineNumber = tree->location.start.line; - - // We generate the importCache before we build the tree so that - // it can be used in the binding compiler. Given we "expect" the - // QML compilation to succeed, this isn't a waste. - output->importCache = new QDeclarativeTypeNameCache(); - foreach (const QString &ns, unit->namespaces()) { - output->importCache->add(ns); - } - - int scriptIndex = 0; - foreach (const QDeclarativeTypeData::ScriptReference &script, unit->resolvedScripts()) { - QString qualifier = script.qualifier; - QString enclosingNamespace; - - const int lastDotIndex = qualifier.lastIndexOf(QLatin1Char('.')); - if (lastDotIndex != -1) { - enclosingNamespace = qualifier.left(lastDotIndex); - qualifier = qualifier.mid(lastDotIndex+1); - } - - output->importCache->add(qualifier, scriptIndex++, enclosingNamespace); - } - - unit->imports().populateCache(output->importCache, engine); - - if (!buildObject(tree, BindingContext()) || !completeComponentBuild()) - return; - - Instruction::Init init; - init.bindingsSize = compileState->totalBindingsCount; - init.parserStatusSize = compileState->parserStatusCount; - init.contextCache = genContextCache(); - init.objectStackSize = compileState->objectDepth.maxDepth(); - init.listStackSize = compileState->listDepth.maxDepth(); - if (compileState->compiledBindingData.isEmpty()) - init.compiledBinding = -1; - else - init.compiledBinding = output->indexForByteArray(compileState->compiledBindingData); - output->addInstruction(init); - - foreach (const QDeclarativeTypeData::ScriptReference &script, unit->resolvedScripts()) { - Instruction::StoreImportedScript import; - import.value = output->scripts.count(); - - QDeclarativeScriptData *scriptData = script.script->scriptData(); - scriptData->addref(); - output->scripts << scriptData; - output->addInstruction(import); - } - - if (!compileState->v8BindingProgram.isEmpty()) { - Instruction::InitV8Bindings bindings; - int index = output->programs.count(); - - typedef QDeclarativeCompiledData::V8Program V8Program; - output->programs.append(V8Program(compileState->v8BindingProgram, output)); - - bindings.programIndex = index; - bindings.line = compileState->v8BindingProgramLine; - output->addInstruction(bindings); - } - - genObject(tree); - - Instruction::SetDefault def; - output->addInstruction(def); - - Instruction::Done done; - output->addInstruction(done); - - Q_ASSERT(tree->metatype); - - if (tree->metadata.isEmpty()) { - output->root = tree->metatype; - } else { - static_cast<QMetaObject &>(output->rootData) = *tree->metaObject(); - output->root = &output->rootData; - } - if (!tree->metadata.isEmpty()) - enginePrivate->registerCompositeType(output); -} - -static bool QStringList_contains(const QStringList &list, const QHashedStringRef &string) -{ - for (int ii = 0; ii < list.count(); ++ii) - if (string == list.at(ii)) - return true; - - return false; -} - -bool QDeclarativeCompiler::buildObject(QDeclarativeScript::Object *obj, const BindingContext &ctxt) -{ - if (componentStats) - componentStats->componentStat.objects++; - - Q_ASSERT (obj->type != -1); - const QDeclarativeCompiledData::TypeReference &tr = output->types.at(obj->type); - obj->metatype = tr.metaObject(); - - if (tr.type) - obj->typeName = tr.type->qmlTypeName(); - - // This object is a "Component" element - if (tr.type && obj->metatype == &QDeclarativeComponent::staticMetaObject) { - COMPILE_CHECK(buildComponent(obj, ctxt)); - return true; - } - - if (tr.component) { - typedef QDeclarativeInstruction I; - const I *init = ((const I *)tr.component->bytecode.constData()); - Q_ASSERT(init && tr.component->instructionType(init) == QDeclarativeInstruction::Init); - - // Adjust stack depths to include nested components - compileState->objectDepth.pushPop(init->init.objectStackSize); - compileState->listDepth.pushPop(init->init.listStackSize); - compileState->parserStatusCount += init->init.parserStatusSize; - compileState->totalBindingsCount += init->init.bindingsSize; - } - - compileState->objectDepth.push(); - - // Object instantiations reset the binding context - BindingContext objCtxt(obj); - - // Create the synthesized meta object, ignoring aliases - COMPILE_CHECK(checkDynamicMeta(obj)); - COMPILE_CHECK(mergeDynamicMetaProperties(obj)); - COMPILE_CHECK(buildDynamicMeta(obj, IgnoreAliases)); - - // Find the native type and check for the QDeclarativeParserStatus interface - QDeclarativeType *type = toQmlType(obj); - Q_ASSERT(type); - obj->parserStatusCast = type->parserStatusCast(); - if (obj->parserStatusCast != -1) - compileState->parserStatusCount++; - - // Check if this is a custom parser type. Custom parser types allow - // assignments to non-existent properties. These assignments are then - // compiled by the type. - bool isCustomParser = output->types.at(obj->type).type && - output->types.at(obj->type).type->customParser() != 0; - QList<QDeclarativeCustomParserProperty> customProps; - - // Fetch the list of deferred properties - QStringList deferredList = deferredProperties(obj); - - // Must do id property first. This is to ensure that the id given to any - // id reference created matches the order in which the objects are - // instantiated - for (Property *prop = obj->properties.first(); prop; prop = obj->properties.next(prop)) { - if (prop->name() == id_string) { - COMPILE_CHECK(buildProperty(prop, obj, objCtxt)); - break; - } - } - - // Merge - Property *defaultProperty = 0; - Property *skipProperty = 0; - if (obj->defaultProperty) { - defaultProperty = obj->defaultProperty; - - Property *explicitProperty = 0; - - const QMetaObject *mo = obj->metatype; - int idx = mo->indexOfClassInfo("DefaultProperty"); - if (idx != -1) { - QMetaClassInfo info = mo->classInfo(idx); - const char *p = info.value(); - if (p) { - int plen = 0; - char ord = 0; - while (char c = p[plen++]) { ord |= c; }; - --plen; - - if (ord & 0x80) { - // Utf8 - unoptimal, but seldom hit - QString *s = pool->NewString(QString::fromUtf8(p, plen)); - QHashedStringRef r(*s); - - if (obj->propertiesHashField.test(r.hash())) { - for (Property *ep = obj->properties.first(); ep; ep = obj->properties.next(ep)) { - if (ep->name() == r) { - explicitProperty = ep; - break; - } - } - } - - if (!explicitProperty) - defaultProperty->setName(r); - - } else { - QHashedCStringRef r(p, plen); - - if (obj->propertiesHashField.test(r.hash())) { - for (Property *ep = obj->properties.first(); ep; ep = obj->properties.next(ep)) { - if (ep->name() == r) { - explicitProperty = ep; - break; - } - } - } - - if (!explicitProperty) { - // Set the default property name - QChar *buffer = pool->NewRawArray<QChar>(r.length()); - r.writeUtf16(buffer); - defaultProperty->setName(QHashedStringRef(buffer, r.length(), r.hash())); - } - } - } - } - - if (explicitProperty && !explicitProperty->value && !explicitProperty->values.isEmpty()) { - - skipProperty = explicitProperty; // We merge the values into defaultProperty - - // Find the correct insertion point - Value *insertPos = 0; - - for (Value *v = defaultProperty->values.first(); v; v = Property::ValueList::next(v)) { - if (!(v->location.start < explicitProperty->values.first()->location.start)) - break; - insertPos = v; - } - - defaultProperty->values.insertAfter(insertPos, explicitProperty->values); - } - } - - QDeclarativeCustomParser *cp = 0; - if (isCustomParser) - cp = output->types.at(obj->type).type->customParser(); - - // Build all explicit properties specified - for (Property *prop = obj->properties.first(); prop; prop = obj->properties.next(prop)) { - - if (prop == skipProperty) - continue; - if (prop->name() == id_string) - continue; - - bool canDefer = false; - if (isCustomParser) { - if (doesPropertyExist(prop, obj) && - (!(cp->flags() & QDeclarativeCustomParser::AcceptsAttachedProperties) || - !isAttachedPropertyName(prop->name()))) { - int ids = compileState->ids.count(); - COMPILE_CHECK(buildProperty(prop, obj, objCtxt)); - canDefer = ids == compileState->ids.count(); - } else if (isSignalPropertyName(prop->name()) && - (cp->flags() & QDeclarativeCustomParser::AcceptsSignalHandlers)) { - COMPILE_CHECK(buildSignal(prop,obj,objCtxt)); - } else { - customProps << QDeclarativeCustomParserNodePrivate::fromProperty(prop); - } - } else { - if (isSignalPropertyName(prop->name())) { - COMPILE_CHECK(buildSignal(prop,obj,objCtxt)); - } else { - int ids = compileState->ids.count(); - COMPILE_CHECK(buildProperty(prop, obj, objCtxt)); - canDefer = ids == compileState->ids.count(); - } - } - - if (canDefer && !deferredList.isEmpty() && QStringList_contains(deferredList, prop->name())) - prop->isDeferred = true; - - } - - // Build the default property - if (defaultProperty) { - Property *prop = defaultProperty; - - bool canDefer = false; - if (isCustomParser) { - if (doesPropertyExist(prop, obj)) { - int ids = compileState->ids.count(); - COMPILE_CHECK(buildProperty(prop, obj, objCtxt)); - canDefer = ids == compileState->ids.count(); - } else { - customProps << QDeclarativeCustomParserNodePrivate::fromProperty(prop); - } - } else { - int ids = compileState->ids.count(); - COMPILE_CHECK(buildProperty(prop, obj, objCtxt)); - canDefer = ids == compileState->ids.count(); - } - - if (canDefer && !deferredList.isEmpty() && QStringList_contains(deferredList, prop->name())) - prop->isDeferred = true; - } - - // Compile custom parser parts - if (isCustomParser && !customProps.isEmpty()) { - cp->clearErrors(); - cp->compiler = this; - cp->object = obj; - obj->custom = cp->compile(customProps); - cp->compiler = 0; - cp->object = 0; - foreach (QDeclarativeError err, cp->errors()) { - err.setUrl(output->url); - exceptions << err; - } - } - - compileState->objectDepth.pop(); - - return true; -} - -void QDeclarativeCompiler::genObject(QDeclarativeScript::Object *obj) -{ - QDeclarativeCompiledData::TypeReference &tr = output->types[obj->type]; - if (tr.type && obj->metatype == &QDeclarativeComponent::staticMetaObject) { - genComponent(obj); - return; - } - - // Create the object - if (obj->custom.isEmpty() && output->types.at(obj->type).type && - !output->types.at(obj->type).type->isExtendedType() && obj != compileState->root) { - - Instruction::CreateSimpleObject create; - create.create = output->types.at(obj->type).type->createFunction(); - create.typeSize = output->types.at(obj->type).type->createSize(); - create.type = obj->type; - create.line = obj->location.start.line; - create.column = obj->location.start.column; - output->addInstruction(create); - - } else { - - if (output->types.at(obj->type).type) { - Instruction::CreateCppObject create; - create.line = obj->location.start.line; - create.column = obj->location.start.column; - create.data = -1; - if (!obj->custom.isEmpty()) - create.data = output->indexForByteArray(obj->custom); - create.type = obj->type; - create.isRoot = (compileState->root == obj); - output->addInstruction(create); - } else { - Instruction::CreateQMLObject create; - create.type = obj->type; - create.isRoot = (compileState->root == obj); - - if (!obj->bindingBitmask.isEmpty()) { - Q_ASSERT(obj->bindingBitmask.size() % 4 == 0); - create.bindingBits = output->indexForByteArray(obj->bindingBitmask); - } else { - create.bindingBits = -1; - } - output->addInstruction(create); - - Instruction::CompleteQMLObject complete; - complete.line = obj->location.start.line; - complete.column = obj->location.start.column; - complete.isRoot = (compileState->root == obj); - output->addInstruction(complete); - } - } - - // Setup the synthesized meta object if necessary - if (!obj->metadata.isEmpty()) { - Instruction::StoreMetaObject meta; - meta.data = output->indexForByteArray(obj->metadata); - meta.aliasData = output->indexForByteArray(obj->synthdata); - meta.propertyCache = output->propertyCaches.count(); - - QDeclarativePropertyCache *propertyCache = obj->synthCache; - Q_ASSERT(propertyCache); - propertyCache->addref(); - - // Add flag for alias properties - if (!obj->synthdata.isEmpty()) { - const QDeclarativeVMEMetaData *vmeMetaData = - reinterpret_cast<const QDeclarativeVMEMetaData *>(obj->synthdata.constData()); - for (int ii = 0; ii < vmeMetaData->aliasCount; ++ii) { - int index = obj->metaObject()->propertyOffset() + vmeMetaData->propertyCount + ii; - QDeclarativePropertyData *data = propertyCache->property(index); - data->setFlags(data->getFlags() | QDeclarativePropertyData::IsAlias); - } - } - - if (obj == unitRoot) { - propertyCache->addref(); - output->rootPropertyCache = propertyCache; - } - - output->propertyCaches << propertyCache; - output->addInstruction(meta); - } else if (obj == unitRoot) { - output->rootPropertyCache = tr.createPropertyCache(engine); - output->rootPropertyCache->addref(); - } - - // Set the object id - if (!obj->id.isEmpty()) { - Instruction::SetId id; - id.value = output->indexForString(obj->id); - id.index = obj->idIndex; - output->addInstruction(id); - } - - // Begin the class - if (tr.type && obj->parserStatusCast != -1) { - Instruction::BeginObject begin; - begin.castValue = obj->parserStatusCast; - output->addInstruction(begin); - } - - genObjectBody(obj); -} - -void QDeclarativeCompiler::genObjectBody(QDeclarativeScript::Object *obj) -{ - for (Property *prop = obj->scriptStringProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - Q_ASSERT(prop->scriptStringScope != -1); - const QString &script = prop->values.first()->value.asScript(); - Instruction::StoreScriptString ss; - ss.propertyIndex = prop->index; - ss.value = output->indexForString(script); - ss.scope = prop->scriptStringScope; -// ss.bindingId = rewriteBinding(script, prop->name()); - ss.bindingId = rewriteBinding(prop->values.first()->value, QString()); // XXX - ss.line = prop->location.start.line; - ss.column = prop->location.start.column; - output->addInstruction(ss); - } - - bool seenDefer = false; - for (Property *prop = obj->valueProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - if (prop->isDeferred) { - seenDefer = true; - continue; - } - if (!prop->isAlias) - genValueProperty(prop, obj); - } - if (seenDefer) { - Instruction::Defer defer; - defer.deferCount = 0; - int deferIdx = output->addInstruction(defer); - int nextInstructionIndex = output->nextInstructionIndex(); - - Instruction::DeferInit dinit; - // XXX - these are now massive over allocations - dinit.bindingsSize = compileState->totalBindingsCount; - dinit.parserStatusSize = compileState->parserStatusCount; - dinit.objectStackSize = compileState->objectDepth.maxDepth(); - dinit.listStackSize = compileState->listDepth.maxDepth(); - output->addInstruction(dinit); - - for (Property *prop = obj->valueProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - if (!prop->isDeferred) - continue; - genValueProperty(prop, obj); - } - - Instruction::Done done; - output->addInstruction(done); - - output->instruction(deferIdx)->defer.deferCount = output->nextInstructionIndex() - nextInstructionIndex; - } - - for (Property *prop = obj->signalProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - - QDeclarativeScript::Value *v = prop->values.first(); - - if (v->type == Value::SignalObject) { - - genObject(v->object); - - Instruction::AssignSignalObject assign; - assign.line = v->location.start.line; - assign.signal = output->indexForString(prop->name().toString()); - output->addInstruction(assign); - - } else if (v->type == Value::SignalExpression) { - - Instruction::StoreSignal store; - store.signalIndex = prop->index; - const QString &rewrite = rewriteSignalHandler(v->value, prop->name().toString()); - store.value = output->indexForByteArray(rewrite.toUtf8()); - store.context = v->signalExpressionContextStack; - store.line = v->location.start.line; - store.column = v->location.start.column; - output->addInstruction(store); - - } - - } - - for (Property *prop = obj->attachedProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - Instruction::FetchAttached fetch; - fetch.id = prop->index; - fetch.line = prop->location.start.line; - output->addInstruction(fetch); - - genObjectBody(prop->value); - - Instruction::PopFetchedObject pop; - output->addInstruction(pop); - } - - for (Property *prop = obj->groupedProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - Instruction::FetchObject fetch; - fetch.property = prop->index; - fetch.line = prop->location.start.line; - output->addInstruction(fetch); - - if (!prop->value->metadata.isEmpty()) { - Instruction::StoreMetaObject meta; - meta.data = output->indexForByteArray(prop->value->metadata); - meta.aliasData = output->indexForByteArray(prop->value->synthdata); - meta.propertyCache = -1; - output->addInstruction(meta); - } - - genObjectBody(prop->value); - - Instruction::PopFetchedObject pop; - output->addInstruction(pop); - } - - for (Property *prop = obj->valueTypeProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - if (!prop->isAlias) - genValueTypeProperty(obj, prop); - } - - for (Property *prop = obj->valueProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - if (prop->isDeferred) - continue; - if (prop->isAlias) - genValueProperty(prop, obj); - } - - for (Property *prop = obj->valueTypeProperties.first(); prop; prop = Object::PropertyList::next(prop)) { - if (prop->isAlias) - genValueTypeProperty(obj, prop); - } -} - -void QDeclarativeCompiler::genValueTypeProperty(QDeclarativeScript::Object *obj,QDeclarativeScript::Property *prop) -{ - Instruction::FetchValueType fetch; - fetch.property = prop->index; - fetch.type = prop->type; - fetch.bindingSkipList = 0; - - if (obj->type == -1 || output->types.at(obj->type).component) { - // We only have to do this if this is a composite type. If it is a builtin - // type it can't possibly already have bindings that need to be cleared. - for (Property *vprop = prop->value->valueProperties.first(); vprop; vprop = Object::PropertyList::next(vprop)) { - if (!vprop->values.isEmpty()) { - Q_ASSERT(vprop->index >= 0 && vprop->index < 32); - fetch.bindingSkipList |= (1 << vprop->index); - } - } - } - - output->addInstruction(fetch); - - for (Property *vprop = prop->value->valueProperties.first(); vprop; vprop = Object::PropertyList::next(vprop)) { - genPropertyAssignment(vprop, prop->value, prop); - } - - Instruction::PopValueType pop; - pop.property = prop->index; - pop.type = prop->type; - pop.bindingSkipList = 0; - output->addInstruction(pop); -} - -void QDeclarativeCompiler::genComponent(QDeclarativeScript::Object *obj) -{ - QDeclarativeScript::Object *root = obj->defaultProperty->values.first()->object; - Q_ASSERT(root); - - Instruction::CreateComponent create; - create.line = root->location.start.line; - create.column = root->location.start.column; - create.endLine = root->location.end.line; - create.isRoot = (compileState->root == obj); - int createInstruction = output->addInstruction(create); - int nextInstructionIndex = output->nextInstructionIndex(); - - ComponentCompileState *oldCompileState = compileState; - compileState = componentState(root); - - Instruction::Init init; - init.bindingsSize = compileState->totalBindingsCount; - init.parserStatusSize = compileState->parserStatusCount; - init.contextCache = genContextCache(); - init.objectStackSize = compileState->objectDepth.maxDepth(); - init.listStackSize = compileState->listDepth.maxDepth(); - if (compileState->compiledBindingData.isEmpty()) - init.compiledBinding = -1; - else - init.compiledBinding = output->indexForByteArray(compileState->compiledBindingData); - output->addInstruction(init); - - if (!compileState->v8BindingProgram.isEmpty()) { - Instruction::InitV8Bindings bindings; - int index = output->programs.count(); - - typedef QDeclarativeCompiledData::V8Program V8Program; - output->programs.append(V8Program(compileState->v8BindingProgram, output)); - - bindings.programIndex = index; - bindings.line = compileState->v8BindingProgramLine; - output->addInstruction(bindings); - } - - genObject(root); - - Instruction::SetDefault def; - output->addInstruction(def); - - Instruction::Done done; - output->addInstruction(done); - - output->instruction(createInstruction)->createComponent.count = - output->nextInstructionIndex() - nextInstructionIndex; - - compileState = oldCompileState; - - if (!obj->id.isEmpty()) { - Instruction::SetId id; - id.value = output->indexForString(obj->id); - id.index = obj->idIndex; - output->addInstruction(id); - } - - if (obj == unitRoot) { - output->rootPropertyCache = output->types[obj->type].createPropertyCache(engine); - output->rootPropertyCache->addref(); - } -} - -bool QDeclarativeCompiler::buildComponent(QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - // The special "Component" element can only have the id property and a - // default property, that actually defines the component's tree - - compileState->objectDepth.push(); - - // Find, check and set the "id" property (if any) - Property *idProp = 0; - if (obj->properties.isMany() || - (obj->properties.isOne() && obj->properties.first()->name() != id_string)) - COMPILE_EXCEPTION(obj->properties.first(), tr("Component elements may not contain properties other than id")); - - if (!obj->properties.isEmpty()) - idProp = obj->properties.first(); - - if (idProp) { - if (idProp->value || idProp->values.isMany() || idProp->values.first()->object) - COMPILE_EXCEPTION(idProp, tr("Invalid component id specification")); - COMPILE_CHECK(checkValidId(idProp->values.first(), idProp->values.first()->primitive())) - - QString idVal = idProp->values.first()->primitive(); - - if (compileState->ids.value(idVal)) - COMPILE_EXCEPTION(idProp, tr("id is not unique")); - - obj->id = idVal; - addId(idVal, obj); - } - - // Check the Component tree is well formed - if (obj->defaultProperty && - (obj->defaultProperty->value || obj->defaultProperty->values.isMany() || - (obj->defaultProperty->values.isOne() && !obj->defaultProperty->values.first()->object))) - COMPILE_EXCEPTION(obj, tr("Invalid component body specification")); - - if (!obj->dynamicProperties.isEmpty()) - COMPILE_EXCEPTION(obj, tr("Component objects cannot declare new properties.")); - if (!obj->dynamicSignals.isEmpty()) - COMPILE_EXCEPTION(obj, tr("Component objects cannot declare new signals.")); - if (!obj->dynamicSlots.isEmpty()) - COMPILE_EXCEPTION(obj, tr("Component objects cannot declare new functions.")); - - QDeclarativeScript::Object *root = 0; - if (obj->defaultProperty && !obj->defaultProperty->values.isEmpty()) - root = obj->defaultProperty->values.first()->object; - - if (!root) - COMPILE_EXCEPTION(obj, tr("Cannot create empty component specification")); - - // Build the component tree - COMPILE_CHECK(buildComponentFromRoot(root, ctxt)); - - compileState->objectDepth.pop(); - - return true; -} - -bool QDeclarativeCompiler::buildComponentFromRoot(QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - ComponentCompileState *oldComponentCompileState = compileState; - compileState = pool->New<ComponentCompileState>(); - compileState->root = obj; - compileState->nested = true; - - if (componentStats) { - ComponentStat oldComponentStat = componentStats->componentStat; - - componentStats->componentStat = ComponentStat(); - componentStats->componentStat.lineNumber = obj->location.start.line; - - if (obj) - COMPILE_CHECK(buildObject(obj, ctxt)); - - COMPILE_CHECK(completeComponentBuild()); - - componentStats->componentStat = oldComponentStat; - } else { - if (obj) - COMPILE_CHECK(buildObject(obj, ctxt)); - - COMPILE_CHECK(completeComponentBuild()); - } - - compileState = oldComponentCompileState; - - return true; -} - - -// Build a sub-object. A sub-object is one that was not created directly by -// QML - such as a grouped property object, or an attached object. Sub-object's -// can't have an id, involve a custom parser, have attached properties etc. -bool QDeclarativeCompiler::buildSubObject(QDeclarativeScript::Object *obj, const BindingContext &ctxt) -{ - Q_ASSERT(obj->metatype); - Q_ASSERT(!obj->defaultProperty); - Q_ASSERT(ctxt.isSubContext()); // sub-objects must always be in a binding - // sub-context - - for (Property *prop = obj->properties.first(); prop; prop = obj->properties.next(prop)) { - if (isSignalPropertyName(prop->name())) { - COMPILE_CHECK(buildSignal(prop, obj, ctxt)); - } else { - COMPILE_CHECK(buildProperty(prop, obj, ctxt)); - } - } - - return true; -} - -int QDeclarativeCompiler::componentTypeRef() -{ - if (cachedComponentTypeRef == -1) { - QDeclarativeType *t = QDeclarativeMetaType::qmlType(Component_import_string,1,0); - for (int ii = output->types.count() - 1; ii >= 0; --ii) { - if (output->types.at(ii).type == t) { - cachedComponentTypeRef = ii; - return ii; - } - } - QDeclarativeCompiledData::TypeReference ref; - ref.className = Component_string; - ref.type = t; - output->types << ref; - cachedComponentTypeRef = output->types.count() - 1; - } - return cachedComponentTypeRef; -} - -int QDeclarativeCompiler::translationContextIndex() -{ - if (cachedTranslationContextIndex == -1) { - // This code must match that in the qsTr() implementation - const QString &path = output->name; - int lastSlash = path.lastIndexOf(QLatin1Char('/')); - QString context = (lastSlash > -1) ? path.mid(lastSlash + 1, path.length()-lastSlash-5) : - QString(); - QByteArray contextUtf8 = context.toUtf8(); - cachedTranslationContextIndex = output->indexForByteArray(contextUtf8); - } - return cachedTranslationContextIndex; -} - -bool QDeclarativeCompiler::buildSignal(QDeclarativeScript::Property *prop, QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - Q_ASSERT(obj->metaObject()); - - const QHashedStringRef &propName = prop->name(); - - Q_ASSERT(propName.startsWith(on_string)); - QString name = propName.mid(2, -1).toString(); - - // Note that the property name could start with any alpha or '_' or '$' character, - // so we need to do the lower-casing of the first alpha character. - for (int firstAlphaIndex = 0; firstAlphaIndex < name.size(); ++firstAlphaIndex) { - if (name.at(firstAlphaIndex).isUpper()) { - name[firstAlphaIndex] = name.at(firstAlphaIndex).toLower(); - break; - } - } - - bool notInRevision = false; - - QDeclarativePropertyData *sig = signal(obj, QStringRef(&name), ¬InRevision); - - if (sig == 0) { - - if (notInRevision && 0 == property(obj, propName, 0)) { - Q_ASSERT(obj->type != -1); - const QList<QDeclarativeTypeData::TypeReference> &resolvedTypes = unit->resolvedTypes(); - const QDeclarativeTypeData::TypeReference &type = resolvedTypes.at(obj->type); - if (type.type) { - COMPILE_EXCEPTION(prop, tr("\"%1.%2\" is not available in %3 %4.%5.").arg(elementName(obj)).arg(prop->name().toString()).arg(type.type->module()).arg(type.majorVersion).arg(type.minorVersion)); - } else { - COMPILE_EXCEPTION(prop, tr("\"%1.%2\" is not available due to component versioning.").arg(elementName(obj)).arg(prop->name().toString())); - } - } - - // If the "on<Signal>" name doesn't resolve into a signal, try it as a - // property. - COMPILE_CHECK(buildProperty(prop, obj, ctxt)); - - } else { - - if (prop->value || !prop->values.isOne()) - COMPILE_EXCEPTION(prop, tr("Incorrectly specified signal assignment")); - - prop->index = sig->coreIndex; - prop->core = *sig; - - obj->addSignalProperty(prop); - - if (prop->values.first()->object) { - COMPILE_CHECK(buildObject(prop->values.first()->object, ctxt)); - prop->values.first()->type = Value::SignalObject; - } else { - prop->values.first()->type = Value::SignalExpression; - - if (!prop->values.first()->value.isScript()) - COMPILE_EXCEPTION(prop, tr("Cannot assign a value to a signal (expecting a script to be run)")); - - QString script = prop->values.first()->value.asScript().trimmed(); - if (script.isEmpty()) - COMPILE_EXCEPTION(prop, tr("Empty signal assignment")); - - prop->values.first()->signalExpressionContextStack = ctxt.stack; - } - } - - return true; -} - - -/*! - Returns true if (value) property \a prop exists on obj, false otherwise. -*/ -bool QDeclarativeCompiler::doesPropertyExist(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj) -{ - if (prop->name().isEmpty()) - return false; - if(isAttachedPropertyName(prop->name()) || prop->name() == id_string) - return true; - - return property(obj, prop->name()) != 0; -} - -bool QDeclarativeCompiler::buildProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - if (prop->isEmpty()) - COMPILE_EXCEPTION(prop, tr("Empty property assignment")); - - const QMetaObject *metaObject = obj->metaObject(); - Q_ASSERT(metaObject); - - if (isAttachedPropertyName(prop->name())) { - // Setup attached property data - - if (ctxt.isSubContext()) { - // Attached properties cannot be used on sub-objects. Sub-objects - // always exist in a binding sub-context, which is what we test - // for here. - COMPILE_EXCEPTION(prop, tr("Attached properties cannot be used here")); - } - - QDeclarativeType *type = 0; - QDeclarativeImportedNamespace *typeNamespace = 0; - unit->imports().resolveType(prop->name().toString(), &type, 0, 0, 0, &typeNamespace); - - if (typeNamespace) { - COMPILE_CHECK(buildPropertyInNamespace(typeNamespace, prop, obj, - ctxt)); - return true; - } else if (!type || !type->attachedPropertiesType()) { - COMPILE_EXCEPTION(prop, tr("Non-existent attached object")); - } - - if (!prop->value) - COMPILE_EXCEPTION(prop, tr("Invalid attached object assignment")); - - Q_ASSERT(type->attachedPropertiesFunction()); - prop->index = type->attachedPropertiesId(); - prop->value->metatype = type->attachedPropertiesType(); - } else { - // Setup regular property data - bool notInRevision = false; - QDeclarativePropertyData *d = - prop->name().isEmpty()?0:property(obj, prop->name(), ¬InRevision); - - if (d == 0 && notInRevision) { - const QList<QDeclarativeTypeData::TypeReference> &resolvedTypes = unit->resolvedTypes(); - const QDeclarativeTypeData::TypeReference &type = resolvedTypes.at(obj->type); - if (type.type) { - COMPILE_EXCEPTION(prop, tr("\"%1.%2\" is not available in %3 %4.%5.").arg(elementName(obj)).arg(prop->name().toString()).arg(type.type->module()).arg(type.majorVersion).arg(type.minorVersion)); - } else { - COMPILE_EXCEPTION(prop, tr("\"%1.%2\" is not available due to component versioning.").arg(elementName(obj)).arg(prop->name().toString())); - } - } else if (d) { - prop->index = d->coreIndex; - prop->core = *d; - } else if (prop->isDefault) { - QMetaProperty p = QDeclarativeMetaType::defaultProperty(metaObject); - QDeclarativePropertyData defaultPropertyData; - defaultPropertyData.load(p, engine); - if (p.name()) - prop->setName(QLatin1String(p.name())); - prop->core = defaultPropertyData; - prop->index = prop->core.coreIndex; - } - - // We can't error here as the "id" property does not require a - // successful index resolution - if (prop->index != -1) - prop->type = prop->core.propType; - - // Check if this is an alias - if (prop->index != -1 && - prop->parent && - prop->parent->type != -1 && - output->types.at(prop->parent->type).component) { - - QDeclarativePropertyCache *cache = output->types.at(prop->parent->type).component->rootPropertyCache; - if (cache && cache->property(prop->index) && cache->property(prop->index)->isAlias()) - prop->isAlias = true; - } - - if (prop->index != -1 && !prop->values.isEmpty()) - prop->parent->setBindingBit(prop->index); - } - - if (!prop->isDefault && prop->name() == id_string && !ctxt.isSubContext()) { - - // The magic "id" behavior doesn't apply when "id" is resolved as a - // default property or to sub-objects (which are always in binding - // sub-contexts) - COMPILE_CHECK(buildIdProperty(prop, obj)); - if (prop->type == QVariant::String && - prop->values.first()->value.isString()) - COMPILE_CHECK(buildPropertyAssignment(prop, obj, ctxt)); - - } else if (isAttachedPropertyName(prop->name())) { - - COMPILE_CHECK(buildAttachedProperty(prop, obj, ctxt)); - - } else if (prop->index == -1) { - - if (prop->isDefault) { - COMPILE_EXCEPTION(prop->values.first(), tr("Cannot assign to non-existent default property")); - } else { - COMPILE_EXCEPTION(prop, tr("Cannot assign to non-existent property \"%1\"").arg(prop->name().toString())); - } - - } else if (prop->value) { - - COMPILE_CHECK(buildGroupedProperty(prop, obj, ctxt)); - - } else if (prop->core.isQList()) { - - COMPILE_CHECK(buildListProperty(prop, obj, ctxt)); - - } else if (prop->type == qMetaTypeId<QDeclarativeScriptString>()) { - - COMPILE_CHECK(buildScriptStringProperty(prop, obj, ctxt)); - - } else { - - COMPILE_CHECK(buildPropertyAssignment(prop, obj, ctxt)); - - } - - return true; -} - -bool QDeclarativeCompiler::buildPropertyInNamespace(QDeclarativeImportedNamespace *ns, - QDeclarativeScript::Property *nsProp, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - if (!nsProp->value) - COMPILE_EXCEPTION(nsProp, tr("Invalid use of namespace")); - - for (Property *prop = nsProp->value->properties.first(); prop; prop = nsProp->value->properties.next(prop)) { - - if (!isAttachedPropertyName(prop->name())) - COMPILE_EXCEPTION(prop, tr("Not an attached property name")); - - // Setup attached property data - - QDeclarativeType *type = 0; - unit->imports().resolveType(ns, prop->name().toString(), &type, 0, 0, 0); - - if (!type || !type->attachedPropertiesType()) - COMPILE_EXCEPTION(prop, tr("Non-existent attached object")); - - if (!prop->value) - COMPILE_EXCEPTION(prop, tr("Invalid attached object assignment")); - - Q_ASSERT(type->attachedPropertiesFunction()); - prop->index = type->index(); - prop->value->metatype = type->attachedPropertiesType(); - - COMPILE_CHECK(buildAttachedProperty(prop, obj, ctxt)); - } - - return true; -} - -void QDeclarativeCompiler::genValueProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj) -{ - if (prop->core.isQList()) { - genListProperty(prop, obj); - } else { - genPropertyAssignment(prop, obj); - } -} - -void QDeclarativeCompiler::genListProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj) -{ - int listType = enginePrivate->listType(prop->type); - - Instruction::FetchQList fetch; - fetch.property = prop->index; - bool listTypeIsInterface = QDeclarativeMetaType::isInterface(listType); - fetch.type = listType; - output->addInstruction(fetch); - - for (Value *v = prop->values.first(); v; v = Property::ValueList::next(v)) { - - if (v->type == Value::CreatedObject) { - - genObject(v->object); - if (listTypeIsInterface) { - Instruction::AssignObjectList assign; - assign.line = prop->location.start.line; - output->addInstruction(assign); - } else { - Instruction::StoreObjectQList store; - output->addInstruction(store); - } - - } else if (v->type == Value::PropertyBinding) { - - genBindingAssignment(v, prop, obj); - - } - - } - - Instruction::PopQList pop; - output->addInstruction(pop); -} - -void QDeclarativeCompiler::genPropertyAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Property *valueTypeProperty) -{ - for (Value *v = prop->values.first(); v; v = Property::ValueList::next(v)) { - - Q_ASSERT(v->type == Value::CreatedObject || - v->type == Value::PropertyBinding || - v->type == Value::Literal); - - if (v->type == Value::CreatedObject) { - - genObject(v->object); - - if (QDeclarativeMetaType::isInterface(prop->type)) { - - Instruction::StoreInterface store; - store.line = v->object->location.start.line; - store.propertyIndex = prop->index; - output->addInstruction(store); - - } else if (prop->type == QMetaType::QVariant) { - - if (prop->core.isVMEProperty()) { - Instruction::StoreVarObject store; - store.line = v->object->location.start.line; - store.propertyIndex = prop->index; - output->addInstruction(store); - } else { - Instruction::StoreVariantObject store; - store.line = v->object->location.start.line; - store.propertyIndex = prop->index; - output->addInstruction(store); - } - - - } else { - - Instruction::StoreObject store; - store.line = v->object->location.start.line; - store.propertyIndex = prop->index; - output->addInstruction(store); - - } - } else if (v->type == Value::PropertyBinding) { - - genBindingAssignment(v, prop, obj, valueTypeProperty); - - } else if (v->type == Value::Literal) { - - genLiteralAssignment(prop, v); - - } - - } - - for (Value *v = prop->onValues.first(); v; v = Property::ValueList::next(v)) { - - Q_ASSERT(v->type == Value::ValueSource || - v->type == Value::ValueInterceptor); - - if (v->type == Value::ValueSource) { - genObject(v->object); - - Instruction::StoreValueSource store; - if (valueTypeProperty) { - store.property = genValueTypeData(prop, valueTypeProperty); - store.owner = 1; - } else { - store.property = prop->core; - store.owner = 0; - } - QDeclarativeType *valueType = toQmlType(v->object); - store.castValue = valueType->propertyValueSourceCast(); - output->addInstruction(store); - - } else if (v->type == Value::ValueInterceptor) { - genObject(v->object); - - Instruction::StoreValueInterceptor store; - if (valueTypeProperty) { - store.property = genValueTypeData(prop, valueTypeProperty); - store.owner = 1; - } else { - store.property = prop->core; - store.owner = 0; - } - QDeclarativeType *valueType = toQmlType(v->object); - store.castValue = valueType->propertyValueInterceptorCast(); - output->addInstruction(store); - } - - } -} - -bool QDeclarativeCompiler::buildIdProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj) -{ - if (prop->value || - prop->values.isMany() || - prop->values.first()->object) - COMPILE_EXCEPTION(prop, tr("Invalid use of id property")); - - QDeclarativeScript::Value *idValue = prop->values.first(); - QString val = idValue->primitive(); - - COMPILE_CHECK(checkValidId(idValue, val)); - - if (compileState->ids.value(val)) - COMPILE_EXCEPTION(prop, tr("id is not unique")); - - prop->values.first()->type = Value::Id; - - obj->id = val; - addId(val, obj); - - return true; -} - -void QDeclarativeCompiler::addId(const QString &id, QDeclarativeScript::Object *obj) -{ - Q_UNUSED(id); - Q_ASSERT(!compileState->ids.value(id)); - Q_ASSERT(obj->id == id); - obj->idIndex = compileState->ids.count(); - compileState->ids.append(obj); -} - -void QDeclarativeCompiler::addBindingReference(JSBindingReference *ref) -{ - Q_ASSERT(ref->value && !ref->value->bindingReference); - ref->value->bindingReference = ref; - compileState->totalBindingsCount++; - compileState->bindings.prepend(ref); -} - -void QDeclarativeCompiler::saveComponentState() -{ - Q_ASSERT(compileState->root); - Q_ASSERT(compileState->root->componentCompileState == 0); - - compileState->root->componentCompileState = compileState; - - if (componentStats) - componentStats->savedComponentStats.append(componentStats->componentStat); -} - -QDeclarativeCompilerTypes::ComponentCompileState * -QDeclarativeCompiler::componentState(QDeclarativeScript::Object *obj) -{ - Q_ASSERT(obj->componentCompileState); - return obj->componentCompileState; -} - -// Build attached property object. In this example, -// Text { -// GridView.row: 10 -// } -// GridView is an attached property object. -bool QDeclarativeCompiler::buildAttachedProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->value); - Q_ASSERT(prop->index != -1); // This is set in buildProperty() - - compileState->objectDepth.push(); - - obj->addAttachedProperty(prop); - - COMPILE_CHECK(buildSubObject(prop->value, ctxt.incr())); - - compileState->objectDepth.pop(); - - return true; -} - - -// Build "grouped" properties. In this example: -// Text { -// font.pointSize: 12 -// font.family: "Helvetica" -// } -// font is a nested property. pointSize and family are not. -bool QDeclarativeCompiler::buildGroupedProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->type != 0); - Q_ASSERT(prop->index != -1); - - if (QDeclarativeValueTypeFactory::isValueType(prop->type)) { - if (prop->type >= 0 && enginePrivate->valueTypes[prop->type]) { - - if (!prop->values.isEmpty()) { - if (prop->values.first()->location < prop->value->location) { - COMPILE_EXCEPTION(prop->value, tr( "Property has already been assigned a value")); - } else { - COMPILE_EXCEPTION(prop->values.first(), tr( "Property has already been assigned a value")); - } - } - - if (!prop->core.isWritable() && !prop->isReadOnlyDeclaration) { - COMPILE_EXCEPTION(prop, tr( "Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - } - - - if (prop->isAlias) { - for (Property *vtProp = prop->value->properties.first(); vtProp; vtProp = prop->value->properties.next(vtProp)) { - vtProp->isAlias = true; - } - } - - COMPILE_CHECK(buildValueTypeProperty(enginePrivate->valueTypes[prop->type], - prop->value, obj, ctxt.incr())); - obj->addValueTypeProperty(prop); - } else { - COMPILE_EXCEPTION(prop, tr("Invalid grouped property access")); - } - - } else { - // Load the nested property's meta type - prop->value->metatype = enginePrivate->metaObjectForType(prop->type); - if (!prop->value->metatype) - COMPILE_EXCEPTION(prop, tr("Invalid grouped property access")); - - if (!prop->values.isEmpty()) - COMPILE_EXCEPTION(prop->values.first(), tr( "Cannot assign a value directly to a grouped property")); - - obj->addGroupedProperty(prop); - - compileState->objectDepth.push(); - - COMPILE_CHECK(buildSubObject(prop->value, ctxt.incr())); - - compileState->objectDepth.pop(); - } - - return true; -} - -bool QDeclarativeCompiler::buildValueTypeProperty(QObject *type, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Object *baseObj, - const BindingContext &ctxt) -{ - compileState->objectDepth.push(); - - if (obj->defaultProperty) - COMPILE_EXCEPTION(obj, tr("Invalid property use")); - obj->metatype = type->metaObject(); - - for (Property *prop = obj->properties.first(); prop; prop = obj->properties.next(prop)) { - - QDeclarativePropertyData *d = property(obj, prop->name()); - if (d == 0) - COMPILE_EXCEPTION(prop, tr("Cannot assign to non-existent property \"%1\"").arg(prop->name().toString())); - - prop->index = d->coreIndex; - prop->type = d->propType; - prop->core = *d; - prop->isValueTypeSubProperty = true; - - if (prop->value) - COMPILE_EXCEPTION(prop, tr("Property assignment expected")); - - if (prop->values.isMany()) { - COMPILE_EXCEPTION(prop, tr("Single property assignment expected")); - } else if (!prop->values.isEmpty()) { - QDeclarativeScript::Value *value = prop->values.first(); - - if (value->object) { - COMPILE_EXCEPTION(prop, tr("Unexpected object assignment")); - } else if (value->value.isScript()) { - // ### Check for writability - - //optimization for <Type>.<EnumValue> enum assignments - bool isEnumAssignment = false; - - if (prop->core.isEnum()) - COMPILE_CHECK(testQualifiedEnumAssignment(prop, obj, value, &isEnumAssignment)); - - if (isEnumAssignment) { - value->type = Value::Literal; - } else { - JSBindingReference *reference = pool->New<JSBindingReference>(); - reference->expression = value->value; - reference->property = prop; - reference->value = value; - reference->bindingContext = ctxt; - reference->bindingContext.owner++; - addBindingReference(reference); - value->type = Value::PropertyBinding; - } - } else { - COMPILE_CHECK(testLiteralAssignment(prop, value)); - value->type = Value::Literal; - } - } - - for (Value *v = prop->onValues.first(); v; v = Property::ValueList::next(v)) { - Q_ASSERT(v->object); - - COMPILE_CHECK(buildPropertyOnAssignment(prop, obj, baseObj, v, ctxt)); - } - - obj->addValueProperty(prop); - } - - compileState->objectDepth.pop(); - - return true; -} - -// Build assignments to QML lists. QML lists are properties of type -// QDeclarativeListProperty<T>. List properties can accept a list of -// objects, or a single binding. -bool QDeclarativeCompiler::buildListProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->core.isQList()); - - compileState->listDepth.push(); - - int t = prop->type; - - obj->addValueProperty(prop); - - int listType = enginePrivate->listType(t); - bool listTypeIsInterface = QDeclarativeMetaType::isInterface(listType); - - bool assignedBinding = false; - for (Value *v = prop->values.first(); v; v = Property::ValueList::next(v)) { - if (v->object) { - v->type = Value::CreatedObject; - COMPILE_CHECK(buildObject(v->object, ctxt)); - - // We check object coercian here. We check interface assignment - // at runtime. - if (!listTypeIsInterface) { - if (!canCoerce(listType, v->object)) { - COMPILE_EXCEPTION(v, tr("Cannot assign object to list")); - } - } - - } else if (v->value.isScript()) { - if (assignedBinding) - COMPILE_EXCEPTION(v, tr("Can only assign one binding to lists")); - - assignedBinding = true; - COMPILE_CHECK(buildBinding(v, prop, ctxt)); - v->type = Value::PropertyBinding; - } else { - COMPILE_EXCEPTION(v, tr("Cannot assign primitives to lists")); - } - } - - compileState->listDepth.pop(); - - return true; -} - -// Compiles an assignment to a QDeclarativeScriptString property -bool QDeclarativeCompiler::buildScriptStringProperty(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - if (prop->values.isMany()) - COMPILE_EXCEPTION(prop->values.first()->nextValue, tr( "Cannot assign multiple values to a script property")); - - if (prop->values.first()->object) - COMPILE_EXCEPTION(prop->values.first(), tr( "Invalid property assignment: script expected")); - - prop->scriptStringScope = ctxt.stack; - obj->addScriptStringProperty(prop); - - return true; -} - -// Compile regular property assignments of the form "property: <value>" -bool QDeclarativeCompiler::buildPropertyAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - const BindingContext &ctxt) -{ - obj->addValueProperty(prop); - - if (prop->values.isMany()) - COMPILE_EXCEPTION(prop->values.first(), tr( "Cannot assign multiple values to a singular property") ); - - for (Value *v = prop->values.first(); v; v = Property::ValueList::next(v)) { - if (v->object) { - - COMPILE_CHECK(buildPropertyObjectAssignment(prop, obj, v, ctxt)); - - } else { - - COMPILE_CHECK(buildPropertyLiteralAssignment(prop, obj, v, ctxt)); - - } - } - - for (Value *v = prop->onValues.first(); v; v = Property::ValueList::next(v)) { - Q_ASSERT(v->object); - COMPILE_CHECK(buildPropertyOnAssignment(prop, obj, obj, v, ctxt)); - } - - return true; -} - -// Compile assigning a single object instance to a regular property -bool QDeclarativeCompiler::buildPropertyObjectAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Value *v, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->index != -1); - Q_ASSERT(v->object->type != -1); - - if (!prop->core.isWritable() && !prop->isReadOnlyDeclaration) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - - if (QDeclarativeMetaType::isInterface(prop->type)) { - - // Assigning an object to an interface ptr property - COMPILE_CHECK(buildObject(v->object, ctxt)); - - v->type = Value::CreatedObject; - - } else if (prop->type == QMetaType::QVariant) { - - // Assigning an object to a QVariant - COMPILE_CHECK(buildObject(v->object, ctxt)); - - v->type = Value::CreatedObject; - } else { - // Normally buildObject() will set this up, but we need the static - // meta object earlier to test for assignability. It doesn't matter - // that there may still be outstanding synthesized meta object changes - // on this type, as they are not relevant for assignability testing - v->object->metatype = output->types.at(v->object->type).metaObject(); - Q_ASSERT(v->object->metaObject()); - - // We want to raw metaObject here as the raw metaobject is the - // actual property type before we applied any extensions that might - // effect the properties on the type, but don't effect assignability - const QMetaObject *propertyMetaObject = enginePrivate->rawMetaObjectForType(prop->type); - - // Will be true if the assgned type inherits propertyMetaObject - bool isAssignable = false; - // Determine isAssignable value - if (propertyMetaObject) { - const QMetaObject *c = v->object->metatype; - while(c) { - isAssignable |= (QDeclarativePropertyPrivate::equal(c, propertyMetaObject)); - c = c->superClass(); - } - } - - if (isAssignable) { - // Simple assignment - COMPILE_CHECK(buildObject(v->object, ctxt)); - - v->type = Value::CreatedObject; - } else if (propertyMetaObject == &QDeclarativeComponent::staticMetaObject) { - // Automatic "Component" insertion - QDeclarativeScript::Object *root = v->object; - QDeclarativeScript::Object *component = pool->New<Object>(); - component->type = componentTypeRef(); - component->typeName = QStringLiteral("Qt/Component"); - component->metatype = &QDeclarativeComponent::staticMetaObject; - component->location = root->location; - QDeclarativeScript::Value *componentValue = pool->New<Value>(); - componentValue->object = root; - component->getDefaultProperty()->addValue(componentValue); - v->object = component; - COMPILE_CHECK(buildPropertyObjectAssignment(prop, obj, v, ctxt)); - } else { - COMPILE_EXCEPTION(v->object, tr("Cannot assign object to property")); - } - } - - return true; -} - -// Compile assigning a single object instance to a regular property using the "on" syntax. -// -// For example: -// Item { -// NumberAnimation on x { } -// } -bool QDeclarativeCompiler::buildPropertyOnAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Object *baseObj, - QDeclarativeScript::Value *v, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->index != -1); - Q_ASSERT(v->object->type != -1); - - Q_UNUSED(obj); - - if (!prop->core.isWritable()) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - - - // Normally buildObject() will set this up, but we need the static - // meta object earlier to test for assignability. It doesn't matter - // that there may still be outstanding synthesized meta object changes - // on this type, as they are not relevant for assignability testing - v->object->metatype = output->types.at(v->object->type).metaObject(); - Q_ASSERT(v->object->metaObject()); - - // Will be true if the assigned type inherits QDeclarativePropertyValueSource - bool isPropertyValue = false; - // Will be true if the assigned type inherits QDeclarativePropertyValueInterceptor - bool isPropertyInterceptor = false; - if (QDeclarativeType *valueType = toQmlType(v->object)) { - isPropertyValue = valueType->propertyValueSourceCast() != -1; - isPropertyInterceptor = valueType->propertyValueInterceptorCast() != -1; - } - - if (isPropertyValue || isPropertyInterceptor) { - // Assign as a property value source - COMPILE_CHECK(buildObject(v->object, ctxt)); - - if (isPropertyInterceptor && prop->parent->synthdata.isEmpty()) - buildDynamicMeta(baseObj, ForceCreation); - v->type = isPropertyValue ? Value::ValueSource : Value::ValueInterceptor; - } else { - COMPILE_EXCEPTION(v, tr("\"%1\" cannot operate on \"%2\"").arg(v->object->typeName).arg(prop->name().toString())); - } - - return true; -} - -// Compile assigning a literal or binding to a regular property -bool QDeclarativeCompiler::buildPropertyLiteralAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Value *v, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->index != -1); - - if (v->value.isScript()) { - - //optimization for <Type>.<EnumValue> enum assignments - if (prop->core.isEnum()) { - bool isEnumAssignment = false; - COMPILE_CHECK(testQualifiedEnumAssignment(prop, obj, v, &isEnumAssignment)); - if (isEnumAssignment) { - v->type = Value::Literal; - return true; - } - } - - // Test for other binding optimizations - if (!buildLiteralBinding(v, prop, ctxt)) - COMPILE_CHECK(buildBinding(v, prop, ctxt)); - - v->type = Value::PropertyBinding; - - } else { - - COMPILE_CHECK(testLiteralAssignment(prop, v)); - - v->type = Value::Literal; - } - - return true; -} - -bool QDeclarativeCompiler::testQualifiedEnumAssignment(QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Value *v, - bool *isAssignment) -{ - *isAssignment = false; - if (!prop->core.isEnum()) - return true; - - QMetaProperty mprop = obj->metaObject()->property(prop->index); - - if (!prop->core.isWritable() && !prop->isReadOnlyDeclaration) - COMPILE_EXCEPTION(v, tr("Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - - QString string = v->value.asString(); - if (!string.at(0).isUpper()) - return true; - - QStringList parts = string.split(QLatin1Char('.')); - if (parts.count() != 2) - return true; - - QString typeName = parts.at(0); - QDeclarativeType *type = 0; - unit->imports().resolveType(typeName, &type, 0, 0, 0, 0); - - //handle enums on value types (where obj->typeName is empty) - QString objTypeName = obj->typeName; - if (objTypeName.isEmpty()) { - QDeclarativeType *objType = toQmlType(obj); - if (objType) - objTypeName = objType->qmlTypeName(); - } - - if (!type) - return true; - - QString enumValue = parts.at(1); - int value; - bool ok; - - if (objTypeName == type->qmlTypeName()) { - // When these two match, we can short cut the search - if (mprop.isFlagType()) { - value = mprop.enumerator().keysToValue(enumValue.toUtf8().constData(), &ok); - } else { - value = mprop.enumerator().keyToValue(enumValue.toUtf8().constData(), &ok); - } - } else { - // Otherwise we have to search the whole type - // This matches the logic in QV8TypeWrapper - QByteArray enumName = enumValue.toUtf8(); - const QMetaObject *metaObject = type->baseMetaObject(); - ok = false; - for (int ii = metaObject->enumeratorCount() - 1; !ok && ii >= 0; --ii) { - QMetaEnum e = metaObject->enumerator(ii); - value = e.keyToValue(enumName.constData(), &ok); - } - } - - if (!ok) - return true; - - v->type = Value::Literal; - v->value = QDeclarativeScript::Variant((double)value); - *isAssignment = true; - - return true; -} - -struct StaticQtMetaObject : public QObject -{ - static const QMetaObject *get() - { return &static_cast<StaticQtMetaObject*> (0)->staticQtMetaObject; } -}; - -// Similar logic to above, but not knowing target property. -int QDeclarativeCompiler::evaluateEnum(const QByteArray& script) const -{ - int dot = script.indexOf('.'); - if (dot > 0) { - const QByteArray &scope = script.left(dot); - QDeclarativeType *type = 0; - unit->imports().resolveType(QString::fromUtf8(script.left(dot)), &type, 0, 0, 0, 0); - if (!type && scope != "Qt") - return -1; - const QMetaObject *mo = type ? type->metaObject() : StaticQtMetaObject::get(); - const char *key = script.constData() + dot+1; - int i = mo->enumeratorCount(); - while (i--) { - bool ok; - int v = mo->enumerator(i).keyToValue(key, &ok); - if (ok) - return v; - } - } - return -1; -} - -const QMetaObject *QDeclarativeCompiler::resolveType(const QString& name) const -{ - QDeclarativeType *qmltype = 0; - if (!unit->imports().resolveType(name, &qmltype, 0, 0, 0, 0)) - return 0; - if (!qmltype) - return 0; - return qmltype->metaObject(); -} - -// similar to logic of completeComponentBuild, but also sticks data -// into primitives at the end -int QDeclarativeCompiler::rewriteBinding(const QDeclarativeScript::Variant& value, const QString& name) -{ - QDeclarativeRewrite::RewriteBinding rewriteBinding; - rewriteBinding.setName(QLatin1Char('$') + name.mid(name.lastIndexOf(QLatin1Char('.')) + 1)); - - QString rewrite = rewriteBinding(value.asAST(), value.asScript(), 0); - - return output->indexForString(rewrite); -} - -QString QDeclarativeCompiler::rewriteSignalHandler(const QDeclarativeScript::Variant& value, const QString &name) -{ - QDeclarativeRewrite::RewriteSignalHandler rewriteSignalHandler; - return rewriteSignalHandler(value.asAST(), value.asScript(), name); -} - -// Ensures that the dynamic meta specification on obj is valid -bool QDeclarativeCompiler::checkDynamicMeta(QDeclarativeScript::Object *obj) -{ - bool seenDefaultProperty = false; - - // We use a coarse grain, 31 bit hash to check if there are duplicates. - // Calculating the hash for the names is not a waste as we have to test - // them against the illegalNames set anyway. - QHashField propNames; - QHashField methodNames; - - // Check properties - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - const QDeclarativeScript::Object::DynamicProperty &prop = *p; - - if (prop.isDefaultProperty) { - if (seenDefaultProperty) - COMPILE_EXCEPTION(&prop, tr("Duplicate default property")); - seenDefaultProperty = true; - } - - if (propNames.testAndSet(prop.name.hash())) { - for (Object::DynamicProperty *p2 = obj->dynamicProperties.first(); p2 != p; - p2 = obj->dynamicProperties.next(p2)) { - if (p2->name == prop.name) { - COMPILE_EXCEPTION_LOCATION(prop.nameLocation.line, - prop.nameLocation.column, - tr("Duplicate property name")); - } - } - } - - if (prop.name.at(0).isUpper()) { - COMPILE_EXCEPTION_LOCATION(prop.nameLocation.line, - prop.nameLocation.column, - tr("Property names cannot begin with an upper case letter")); - } - - if (enginePrivate->v8engine()->illegalNames().contains(prop.name)) { - COMPILE_EXCEPTION_LOCATION(prop.nameLocation.line, - prop.nameLocation.column, - tr("Illegal property name")); - } - } - - for (Object::DynamicSignal *s = obj->dynamicSignals.first(); s; s = obj->dynamicSignals.next(s)) { - const QDeclarativeScript::Object::DynamicSignal &currSig = *s; - - if (methodNames.testAndSet(currSig.name.hash())) { - for (Object::DynamicSignal *s2 = obj->dynamicSignals.first(); s2 != s; - s2 = obj->dynamicSignals.next(s2)) { - if (s2->name == currSig.name) - COMPILE_EXCEPTION(&currSig, tr("Duplicate signal name")); - } - } - - if (currSig.name.at(0).isUpper()) - COMPILE_EXCEPTION(&currSig, tr("Signal names cannot begin with an upper case letter")); - if (enginePrivate->v8engine()->illegalNames().contains(currSig.name)) - COMPILE_EXCEPTION(&currSig, tr("Illegal signal name")); - } - - for (Object::DynamicSlot *s = obj->dynamicSlots.first(); s; s = obj->dynamicSlots.next(s)) { - const QDeclarativeScript::Object::DynamicSlot &currSlot = *s; - - if (methodNames.testAndSet(currSlot.name.hash())) { - for (Object::DynamicSignal *s2 = obj->dynamicSignals.first(); s2; - s2 = obj->dynamicSignals.next(s2)) { - if (s2->name == currSlot.name) - COMPILE_EXCEPTION(&currSlot, tr("Duplicate method name")); - } - for (Object::DynamicSlot *s2 = obj->dynamicSlots.first(); s2 != s; - s2 = obj->dynamicSlots.next(s2)) { - if (s2->name == currSlot.name) - COMPILE_EXCEPTION(&currSlot, tr("Duplicate method name")); - } - } - - if (currSlot.name.at(0).isUpper()) - COMPILE_EXCEPTION(&currSlot, tr("Method names cannot begin with an upper case letter")); - if (enginePrivate->v8engine()->illegalNames().contains(currSlot.name)) - COMPILE_EXCEPTION(&currSlot, tr("Illegal method name")); - } - - return true; -} - -bool QDeclarativeCompiler::mergeDynamicMetaProperties(QDeclarativeScript::Object *obj) -{ - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; - p = obj->dynamicProperties.next(p)) { - - if (!p->defaultValue || p->type == Object::DynamicProperty::Alias) - continue; - - Property *property = 0; - if (p->isDefaultProperty) { - property = obj->getDefaultProperty(); - } else { - property = obj->getProperty(p->name); - if (!property->values.isEmpty()) - COMPILE_EXCEPTION(property, tr("Property value set multiple times")); - } - - if (p->isReadOnly) - property->isReadOnlyDeclaration = true; - - if (property->value) - COMPILE_EXCEPTION(property, tr("Invalid property nesting")); - - property->values.append(p->defaultValue->values); - } - return true; -} - -Q_GLOBAL_STATIC(QAtomicInt, classIndexCounter) - -bool QDeclarativeCompiler::buildDynamicMeta(QDeclarativeScript::Object *obj, DynamicMetaMode mode) -{ - Q_ASSERT(obj); - Q_ASSERT(obj->metatype); - - if (mode != ForceCreation && - obj->dynamicProperties.isEmpty() && - obj->dynamicSignals.isEmpty() && - obj->dynamicSlots.isEmpty()) - return true; - - bool resolveAlias = (mode == ResolveAliases); - - const Object::DynamicProperty *defaultProperty = 0; - int aliasCount = 0; - int varPropCount = 0; - int totalPropCount = 0; - int firstPropertyVarIndex = 0; - - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - - if (p->type == Object::DynamicProperty::Alias) - aliasCount++; - if (p->type == Object::DynamicProperty::Var) - varPropCount++; - - if (p->isDefaultProperty && - (resolveAlias || p->type != Object::DynamicProperty::Alias)) - defaultProperty = p; - - if (!resolveAlias) { - // No point doing this for both the alias and non alias cases - QDeclarativePropertyData *d = property(obj, p->name); - if (d && d->isFinal()) - COMPILE_EXCEPTION(p, tr("Cannot override FINAL property")); - } - } - - bool buildData = resolveAlias || aliasCount == 0; - - QByteArray dynamicData; - if (buildData) { - typedef QDeclarativeVMEMetaData VMD; - - dynamicData = QByteArray(sizeof(QDeclarativeVMEMetaData) + - (obj->dynamicProperties.count() - aliasCount) * sizeof(VMD::PropertyData) + - obj->dynamicSlots.count() * sizeof(VMD::MethodData) + - aliasCount * sizeof(VMD::AliasData), 0); - } - - int uniqueClassId = classIndexCounter()->fetchAndAddRelaxed(1); - - QByteArray newClassName = obj->metatype->className(); - newClassName.append("_QML_"); - newClassName.append(QByteArray::number(uniqueClassId)); - - if (compileState->root == obj && !compileState->nested) { - QString path = output->url.path(); - int lastSlash = path.lastIndexOf(QLatin1Char('/')); - if (lastSlash > -1) { - QString nameBase = path.mid(lastSlash + 1, path.length()-lastSlash-5); - if (!nameBase.isEmpty() && nameBase.at(0).isUpper()) - newClassName = nameBase.toUtf8() + "_QMLTYPE_" + QByteArray::number(uniqueClassId); - } - } - - QFastMetaBuilder builder; - QFastMetaBuilder::StringRef classNameRef = builder.init(newClassName.length(), - obj->dynamicProperties.count() - (resolveAlias?0:aliasCount), - obj->dynamicSlots.count(), - obj->dynamicSignals.count() + obj->dynamicProperties.count(), - defaultProperty?1:0); - - struct TypeData { - Object::DynamicProperty::Type dtype; - int metaType; - const char *cppType; - } builtinTypes[] = { - { Object::DynamicProperty::Var, QMetaType::QVariant, "QVariant" }, - { Object::DynamicProperty::Variant, QMetaType::QVariant, "QVariant" }, - { Object::DynamicProperty::Int, QMetaType::Int, "int" }, - { Object::DynamicProperty::Bool, QMetaType::Bool, "bool" }, - { Object::DynamicProperty::Real, QMetaType::Double, "double" }, - { Object::DynamicProperty::String, QMetaType::QString, "QString" }, - { Object::DynamicProperty::Url, QMetaType::QUrl, "QUrl" }, - { Object::DynamicProperty::Color, QMetaType::QColor, "QColor" }, - { Object::DynamicProperty::Time, QMetaType::QTime, "QTime" }, - { Object::DynamicProperty::Date, QMetaType::QDate, "QDate" }, - { Object::DynamicProperty::DateTime, QMetaType::QDateTime, "QDateTime" }, - }; - static const int builtinTypeCount = sizeof(builtinTypes) / sizeof(TypeData); - QFastMetaBuilder::StringRef typeRefs[builtinTypeCount]; - - // Reserve dynamic properties - if (obj->dynamicProperties.count()) { - typedef QDeclarativeVMEMetaData VMD; - - int effectivePropertyIndex = 0; - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - - // Reserve space for name - p->nameRef = builder.newString(p->name.utf8length()); - - int propertyType = 0; - bool readonly = false; - QFastMetaBuilder::StringRef typeRef; - - if (p->type == Object::DynamicProperty::Alias) { - continue; - } else if (p->type < builtinTypeCount) { - Q_ASSERT(builtinTypes[p->type].dtype == p->type); - propertyType = builtinTypes[p->type].metaType; - if (typeRefs[p->type].isEmpty()) - typeRefs[p->type] = builder.newString(strlen(builtinTypes[p->type].cppType)); - typeRef = typeRefs[p->type]; - - } else { - Q_ASSERT(p->type == Object::DynamicProperty::CustomList || - p->type == Object::DynamicProperty::Custom); - - // XXX don't double resolve this in the case of an alias run - - QByteArray customTypeName; - QDeclarativeType *qmltype = 0; - QString url; - if (!unit->imports().resolveType(p->customType.toString(), &qmltype, &url, 0, 0, 0)) - COMPILE_EXCEPTION(p, tr("Invalid property type")); - - if (!qmltype) { - QDeclarativeTypeData *tdata = enginePrivate->typeLoader.get(QUrl(url)); - Q_ASSERT(tdata); - Q_ASSERT(tdata->isComplete()); - - QDeclarativeCompiledData *data = tdata->compiledData(); - customTypeName = data->root->className(); - data->release(); - tdata->release(); - } else { - customTypeName = qmltype->typeName(); - } - - if (p->type == Object::DynamicProperty::Custom) { - customTypeName += '*'; - propertyType = QMetaType::QObjectStar; - } else { - readonly = true; - customTypeName = QByteArray("QDeclarativeListProperty<") + customTypeName + QByteArray(">"); - propertyType = qMetaTypeId<QDeclarativeListProperty<QObject> >(); - } - - p->resolvedCustomTypeName = pool->NewByteArray(customTypeName); - p->typeRef = builder.newString(customTypeName.length()); - typeRef = p->typeRef; - } - - if (p->type == Object::DynamicProperty::Var) - continue; - - if (p->isReadOnly) - readonly = true; - - if (buildData) { - VMD *vmd = (QDeclarativeVMEMetaData *)dynamicData.data(); - vmd->propertyCount++; - (vmd->propertyData() + effectivePropertyIndex)->propertyType = propertyType; - } - - if (p->type < builtinTypeCount) - builder.setProperty(effectivePropertyIndex, p->nameRef, typeRef, (QMetaType::Type)propertyType, - readonly?QFastMetaBuilder::None:QFastMetaBuilder::Writable, - effectivePropertyIndex); - else - builder.setProperty(effectivePropertyIndex, p->nameRef, typeRef, - readonly?QFastMetaBuilder::None:QFastMetaBuilder::Writable, - effectivePropertyIndex); - - p->changedSignatureRef = builder.newString(p->name.utf8length() + strlen("Changed()")); - builder.setSignal(effectivePropertyIndex, p->changedSignatureRef); - - effectivePropertyIndex++; - } - - if (varPropCount) { - VMD *vmd = (QDeclarativeVMEMetaData *)dynamicData.data(); - if (buildData) - vmd->varPropertyCount = varPropCount; - firstPropertyVarIndex = effectivePropertyIndex; - totalPropCount = varPropCount + effectivePropertyIndex; - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - if (p->type == Object::DynamicProperty::Var) { - QFastMetaBuilder::StringRef typeRef = typeRefs[p->type]; - if (buildData) { - vmd->propertyCount++; - (vmd->propertyData() + effectivePropertyIndex)->propertyType = QMetaType::QVariant; - } - - builder.setProperty(effectivePropertyIndex, p->nameRef, typeRef, - QMetaType::QVariant, - p->isReadOnly?QFastMetaBuilder::None:QFastMetaBuilder::Writable, - effectivePropertyIndex); - - p->changedSignatureRef = builder.newString(p->name.utf8length() + strlen("Changed()")); - builder.setSignal(effectivePropertyIndex, p->changedSignatureRef); - - effectivePropertyIndex++; - } - } - } - - if (aliasCount) { - int aliasIndex = 0; - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - if (p->type == Object::DynamicProperty::Alias) { - if (resolveAlias) { - Q_ASSERT(buildData); - ((QDeclarativeVMEMetaData *)dynamicData.data())->aliasCount++; - COMPILE_CHECK(compileAlias(builder, dynamicData, obj, effectivePropertyIndex, - aliasIndex, *p)); - } - // Even if we aren't resolving the alias, we need a fake signal so that the - // metaobject remains consistent across the resolve and non-resolve alias runs - p->changedSignatureRef = builder.newString(p->name.utf8length() + strlen("Changed()")); - builder.setSignal(effectivePropertyIndex, p->changedSignatureRef); - effectivePropertyIndex++; - aliasIndex++; - } - } - } - } - - // Reserve default property - QFastMetaBuilder::StringRef defPropRef; - if (defaultProperty) { - defPropRef = builder.newString(strlen("DefaultProperty")); - builder.setClassInfo(0, defPropRef, defaultProperty->nameRef); - } - - // Reserve dynamic signals - int signalIndex = 0; - for (Object::DynamicSignal *s = obj->dynamicSignals.first(); s; s = obj->dynamicSignals.next(s)) { - - int paramCount = s->parameterNames.count(); - - int signatureSize = s->name.utf8length() + 2 /* paren */; - int namesSize = 0; - if (paramCount) signatureSize += s->parameterTypesLength() + (paramCount - 1) /* commas */; - if (paramCount) namesSize += s->parameterNamesLength() + (paramCount - 1) /* commas */; - - s->signatureRef = builder.newString(signatureSize); - if (namesSize) s->parameterNamesRef = builder.newString(namesSize); - - if (buildData) - ((QDeclarativeVMEMetaData *)dynamicData.data())->signalCount++; - - builder.setSignal(signalIndex + obj->dynamicProperties.count(), s->signatureRef, s->parameterNamesRef); - ++signalIndex; - } - - // Reserve dynamic slots - if (obj->dynamicSlots.count()) { - - // Allocate QVariant string - if (typeRefs[0].isEmpty()) - typeRefs[0] = builder.newString(strlen(builtinTypes[0].cppType)); - - typedef QDeclarativeVMEMetaData VMD; - - int methodIndex = 0; - for (Object::DynamicSlot *s = obj->dynamicSlots.first(); s; s = obj->dynamicSlots.next(s)) { - int paramCount = s->parameterNames.count(); - - int signatureSize = s->name.utf8length() + 2 /* paren */; - int namesSize = 0; - if (paramCount) signatureSize += (paramCount * strlen("QVariant") + (paramCount - 1)); - if (paramCount) namesSize += s->parameterNamesLength() + (paramCount - 1 /* commas */); - - s->signatureRef = builder.newString(signatureSize); - if (namesSize) s->parameterNamesRef = builder.newString(namesSize); - - builder.setMethod(methodIndex, s->signatureRef, s->parameterNamesRef, typeRefs[0]); - - if (buildData) { - QString funcScript; - funcScript.reserve(strlen("(function ") + s->name.length() + 1 /* lparen */ + - namesSize + 1 /* rparen */ + s->body.length() + 1 /* rparen */); - funcScript = QLatin1String("(function ") + s->name.toString() + QLatin1Char('('); - for (int jj = 0; jj < paramCount; ++jj) { - if (jj) funcScript.append(QLatin1Char(',')); - funcScript.append(QLatin1String(s->parameterNames.at(jj))); - } - funcScript += QLatin1Char(')') + s->body + QLatin1Char(')'); - - QByteArray utf8 = funcScript.toUtf8(); - VMD::MethodData methodData = { s->parameterNames.count(), 0, - utf8.length(), - s->location.start.line }; - - VMD *vmd = (QDeclarativeVMEMetaData *)dynamicData.data(); - vmd->methodCount++; - - VMD::MethodData &md = *(vmd->methodData() + methodIndex); - md = methodData; - md.bodyOffset = dynamicData.size(); - - dynamicData.append((const char *)utf8.constData(), utf8.length()); - } - - - methodIndex++; - } - } - - // Now allocate used builtin types - for (int ii = 0; ii < builtinTypeCount; ++ii) { - if (!typeRefs[ii].isEmpty()) - typeRefs[ii].load(builtinTypes[ii].cppType); - } - - // Now allocate properties - for (Object::DynamicProperty *p = obj->dynamicProperties.first(); p; p = obj->dynamicProperties.next(p)) { - - char *d = p->changedSignatureRef.data(); - p->name.writeUtf8(d); - strcpy(d + p->name.utf8length(), "Changed()"); - - if (p->type == Object::DynamicProperty::Alias && !resolveAlias) - continue; - - p->nameRef.load(p->name); - - if (p->type >= builtinTypeCount) { - Q_ASSERT(p->resolvedCustomTypeName); - p->typeRef.load(*p->resolvedCustomTypeName); - } - } - - // Allocate default property if necessary - if (defaultProperty) - strcpy(defPropRef.data(), "DefaultProperty"); - - // Now allocate signals - for (Object::DynamicSignal *s = obj->dynamicSignals.first(); s; s = obj->dynamicSignals.next(s)) { - - char *d = s->signatureRef.data(); - char *d2 = s->parameterNamesRef.isEmpty()?0:s->parameterNamesRef.data(); - s->name.writeUtf8(d); d += s->name.utf8length(); - *d++ = '('; - - for (int jj = 0; jj < s->parameterNames.count(); ++jj) { - if (jj != 0) { *d++ = ','; *d2++ = ','; } - strcpy(d, s->parameterTypes.at(jj).constData()); - d += s->parameterTypes.at(jj).length(); - s->parameterNames.at(jj).writeUtf8(d2); - d2 += s->parameterNames.at(jj).utf8length(); - } - *d++ = ')'; - *d = 0; - if (d2) *d2 = 0; - } - - // Now allocate methods - for (Object::DynamicSlot *s = obj->dynamicSlots.first(); s; s = obj->dynamicSlots.next(s)) { - char *d = s->signatureRef.data(); - char *d2 = s->parameterNamesRef.isEmpty()?0:s->parameterNamesRef.data(); - s->name.writeUtf8(d); d += s->name.utf8length(); - *d++ = '('; - for (int jj = 0; jj < s->parameterNames.count(); ++jj) { - if (jj != 0) { *d++ = ','; *d2++ = ','; } - strcpy(d, "QVariant"); - d += strlen("QVariant"); - strcpy(d2, s->parameterNames.at(jj).constData()); - d2 += s->parameterNames.at(jj).length(); - } - *d++ = ')'; - *d = 0; - if (d2) *d2 = 0; - } - - // Now allocate class name - classNameRef.load(newClassName); - - obj->metadata = builder.toData(); - builder.fromData(&obj->extObject, obj->metatype, obj->metadata); - - if (mode == IgnoreAliases && aliasCount) - compileState->aliasingObjects.append(obj); - - obj->synthdata = dynamicData; - - if (obj->synthCache) { - obj->synthCache->release(); - obj->synthCache = 0; - } - - if (obj->type != -1) { - QDeclarativePropertyCache *superCache = output->types[obj->type].createPropertyCache(engine); - QDeclarativePropertyCache *cache = - superCache->copyAndAppend(engine, &obj->extObject, - QDeclarativePropertyData::NoFlags, - QDeclarativePropertyData::IsVMEFunction, - QDeclarativePropertyData::IsVMESignal); - - // now we modify the flags appropriately for var properties. - int propertyOffset = obj->extObject.propertyOffset(); - QDeclarativePropertyData *currPropData = 0; - for (int pvi = firstPropertyVarIndex; pvi < totalPropCount; ++pvi) { - currPropData = cache->property(pvi + propertyOffset); - currPropData->setFlags(currPropData->getFlags() | QDeclarativePropertyData::IsVMEProperty); - } - - obj->synthCache = cache; - } - - return true; -} - -bool QDeclarativeCompiler::checkValidId(QDeclarativeScript::Value *v, const QString &val) -{ - if (val.isEmpty()) - COMPILE_EXCEPTION(v, tr( "Invalid empty ID")); - - QChar ch = val.at(0); - if (ch.isLetter() && !ch.isLower()) - COMPILE_EXCEPTION(v, tr( "IDs cannot start with an uppercase letter")); - - QChar u(QLatin1Char('_')); - if (!ch.isLetter() && ch != u) - COMPILE_EXCEPTION(v, tr( "IDs must start with a letter or underscore")); - - for (int ii = 1; ii < val.count(); ++ii) { - ch = val.at(ii); - if (!ch.isLetterOrNumber() && ch != u) - COMPILE_EXCEPTION(v, tr( "IDs must contain only letters, numbers, and underscores")); - } - - if (enginePrivate->v8engine()->illegalNames().contains(val)) - COMPILE_EXCEPTION(v, tr( "ID illegally masks global JavaScript property")); - - return true; -} - -#include <private/qdeclarativejsparser_p.h> - -static QStringList astNodeToStringList(QDeclarativeJS::AST::Node *node) -{ - if (node->kind == QDeclarativeJS::AST::Node::Kind_IdentifierExpression) { - QString name = - static_cast<QDeclarativeJS::AST::IdentifierExpression *>(node)->name.toString(); - return QStringList() << name; - } else if (node->kind == QDeclarativeJS::AST::Node::Kind_FieldMemberExpression) { - QDeclarativeJS::AST::FieldMemberExpression *expr = static_cast<QDeclarativeJS::AST::FieldMemberExpression *>(node); - - QStringList rv = astNodeToStringList(expr->base); - if (rv.isEmpty()) - return rv; - rv.append(expr->name.toString()); - return rv; - } - return QStringList(); -} - -bool QDeclarativeCompiler::compileAlias(QFastMetaBuilder &builder, - QByteArray &data, - QDeclarativeScript::Object *obj, - int propIndex, int aliasIndex, - Object::DynamicProperty &prop) -{ - if (!prop.defaultValue) - COMPILE_EXCEPTION(obj, tr("No property alias location")); - - if (!prop.defaultValue->values.isOne() || - prop.defaultValue->values.first()->object || - !prop.defaultValue->values.first()->value.isScript()) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias location")); - - QDeclarativeJS::AST::Node *node = prop.defaultValue->values.first()->value.asAST(); - if (!node) - COMPILE_EXCEPTION(obj, tr("No property alias location")); // ### Can this happen? - - QStringList alias = astNodeToStringList(node); - - if (alias.count() < 1 || alias.count() > 3) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias reference. An alias reference must be specified as <id>, <id>.<property> or <id>.<value property>.<property>")); - - QDeclarativeScript::Object *idObject = compileState->ids.value(alias.at(0)); - if (!idObject) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias reference. Unable to find id \"%1\"").arg(alias.at(0))); - - QByteArray typeName; - - int propIdx = -1; - int flags = 0; - int type = 0; - bool writable = false; - bool resettable = false; - if (alias.count() == 2 || alias.count() == 3) { - propIdx = indexOfProperty(idObject, alias.at(1)); - - if (-1 == propIdx) { - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias location")); - } else if (propIdx > 0xFFFF) { - COMPILE_EXCEPTION(prop.defaultValue, tr("Alias property exceeds alias bounds")); - } - - QMetaProperty aliasProperty = idObject->metaObject()->property(propIdx); - if (!aliasProperty.isScriptable()) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias location")); - - writable = aliasProperty.isWritable() && !prop.isReadOnly; - resettable = aliasProperty.isResettable() && !prop.isReadOnly; - - if (aliasProperty.type() < QVariant::UserType - || uint(aliasProperty.type()) == QMetaType::QVariant) - type = aliasProperty.type(); - - if (alias.count() == 3) { - QDeclarativeValueType *valueType = enginePrivate->valueTypes[aliasProperty.type()]; - if (!valueType) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias location")); - - propIdx |= ((unsigned int)aliasProperty.type()) << 24; - - int valueTypeIndex = valueType->metaObject()->indexOfProperty(alias.at(2).toUtf8().constData()); - if (valueTypeIndex == -1) - COMPILE_EXCEPTION(prop.defaultValue, tr("Invalid alias location")); - Q_ASSERT(valueTypeIndex <= 0xFF); - - aliasProperty = valueType->metaObject()->property(valueTypeIndex); - propIdx |= (valueTypeIndex << 16); - - // update the property type - type = aliasProperty.type(); - if (type >= (int)QVariant::UserType) - type = 0; - } - - if (aliasProperty.isEnumType()) - typeName = "int"; // Avoid introducing a dependency on the aliased metaobject - else - typeName = aliasProperty.typeName(); - } else { - Q_ASSERT(idObject->type != -1); // How else did it get an id? - - const QDeclarativeCompiledData::TypeReference &ref = output->types.at(idObject->type); - if (ref.type) - typeName = ref.type->typeName(); - else - typeName = ref.component->root->className(); - - typeName += '*'; - } - - if (typeName.endsWith('*')) - flags |= QML_ALIAS_FLAG_PTR; - - QDeclarativeVMEMetaData::AliasData aliasData = { idObject->idIndex, propIdx, flags }; - - typedef QDeclarativeVMEMetaData VMD; - VMD *vmd = (QDeclarativeVMEMetaData *)data.data(); - *(vmd->aliasData() + aliasIndex) = aliasData; - - prop.nameRef = builder.newString(prop.name.utf8length()); - prop.resolvedCustomTypeName = pool->NewByteArray(typeName); - prop.typeRef = builder.newString(typeName.length()); - - int propertyFlags = 0; - if (writable) - propertyFlags |= QFastMetaBuilder::Writable; - if (resettable) - propertyFlags |= QFastMetaBuilder::Resettable; - - builder.setProperty(propIndex, prop.nameRef, prop.typeRef, (QMetaType::Type)type, - (QFastMetaBuilder::PropertyFlag)propertyFlags, - propIndex); - - return true; -} - -bool QDeclarativeCompiler::buildBinding(QDeclarativeScript::Value *value, - QDeclarativeScript::Property *prop, - const BindingContext &ctxt) -{ - Q_ASSERT(prop->index != -1); - Q_ASSERT(prop->parent); - Q_ASSERT(prop->parent->metaObject()); - - if (!prop->core.isWritable() && !prop->core.isQList() && !prop->isReadOnlyDeclaration) - COMPILE_EXCEPTION(prop, tr("Invalid property assignment: \"%1\" is a read-only property").arg(prop->name().toString())); - - JSBindingReference *reference = pool->New<JSBindingReference>(); - reference->expression = value->value; - reference->property = prop; - reference->value = value; - reference->bindingContext = ctxt; - addBindingReference(reference); - - return true; -} - -bool QDeclarativeCompiler::buildLiteralBinding(QDeclarativeScript::Value *v, - QDeclarativeScript::Property *prop, - const QDeclarativeCompilerTypes::BindingContext &) -{ - Q_ASSERT(v->value.isScript()); - - if (!prop->core.isWritable()) - return false; - - AST::Node *binding = v->value.asAST(); - - if (prop->type == QVariant::String) { - if (AST::CallExpression *e = AST::cast<AST::CallExpression *>(binding)) { - if (AST::IdentifierExpression *i = AST::cast<AST::IdentifierExpression *>(e->base)) { - if (i->name == qsTrId_string) { - AST::ArgumentList *arg1 = e->arguments?e->arguments:0; - AST::ArgumentList *arg2 = arg1?arg1->next:0; - - if (arg1 && arg1->expression->kind == AST::Node::Kind_StringLiteral && - (!arg2 || arg2->expression->kind == AST::Node::Kind_NumericLiteral) && - (!arg2 || !arg2->next)) { - - QStringRef text; - int n = -1; - - text = AST::cast<AST::StringLiteral *>(arg1->expression)->value; - if (arg2) n = (int)AST::cast<AST::NumericLiteral *>(arg2->expression)->value; - - TrBindingReference *reference = pool->New<TrBindingReference>(); - reference->dataType = BindingReference::TrId; - reference->text = text; - reference->n = n; - v->bindingReference = reference; - return true; - } - - } else if (i->name == qsTr_string) { - - AST::ArgumentList *arg1 = e->arguments?e->arguments:0; - AST::ArgumentList *arg2 = arg1?arg1->next:0; - AST::ArgumentList *arg3 = arg2?arg2->next:0; - - if (arg1 && arg1->expression->kind == AST::Node::Kind_StringLiteral && - (!arg2 || arg2->expression->kind == AST::Node::Kind_StringLiteral) && - (!arg3 || arg3->expression->kind == AST::Node::Kind_NumericLiteral) && - (!arg3 || !arg3->next)) { - - QStringRef text; - QStringRef comment; - int n = -1; - - text = AST::cast<AST::StringLiteral *>(arg1->expression)->value; - if (arg2) comment = AST::cast<AST::StringLiteral *>(arg2->expression)->value; - if (arg3) n = (int)AST::cast<AST::NumericLiteral *>(arg3->expression)->value; - - TrBindingReference *reference = pool->New<TrBindingReference>(); - reference->dataType = BindingReference::Tr; - reference->text = text; - reference->comment = comment; - reference->n = n; - v->bindingReference = reference; - return true; - } - - } - } - } - - } - - return false; -} - -void QDeclarativeCompiler::genBindingAssignment(QDeclarativeScript::Value *binding, - QDeclarativeScript::Property *prop, - QDeclarativeScript::Object *obj, - QDeclarativeScript::Property *valueTypeProperty) -{ - Q_UNUSED(obj); - Q_ASSERT(binding->bindingReference); - - const BindingReference &ref = *binding->bindingReference; - if (ref.dataType == BindingReference::TrId) { - const TrBindingReference &tr = static_cast<const TrBindingReference &>(ref); - - Instruction::StoreTrIdString store; - store.propertyIndex = prop->core.coreIndex; - store.text = output->indexForByteArray(tr.text.toUtf8()); - store.n = tr.n; - output->addInstruction(store); - } else if (ref.dataType == BindingReference::Tr) { - const TrBindingReference &tr = static_cast<const TrBindingReference &>(ref); - - Instruction::StoreTrString store; - store.propertyIndex = prop->core.coreIndex; - store.context = translationContextIndex(); - store.text = output->indexForByteArray(tr.text.toUtf8()); - store.comment = output->indexForByteArray(tr.comment.toUtf8()); - store.n = tr.n; - output->addInstruction(store); - } else if (ref.dataType == BindingReference::V4) { - const JSBindingReference &js = static_cast<const JSBindingReference &>(ref); - - Instruction::StoreV4Binding store; - store.value = js.compiledIndex; - store.context = js.bindingContext.stack; - store.owner = js.bindingContext.owner; - if (valueTypeProperty) { - store.property = (valueTypeProperty->index & 0xFFFF) | - ((valueTypeProperty->type & 0xFF)) << 16 | - ((prop->index & 0xFF) << 24); - store.isRoot = (compileState->root == valueTypeProperty->parent); - } else { - store.property = prop->index; - store.isRoot = (compileState->root == obj); - } - store.line = binding->location.start.line; - store.column = binding->location.start.column; - output->addInstruction(store); - } else if (ref.dataType == BindingReference::V8) { - const JSBindingReference &js = static_cast<const JSBindingReference &>(ref); - - Instruction::StoreV8Binding store; - store.value = js.compiledIndex; - store.context = js.bindingContext.stack; - store.owner = js.bindingContext.owner; - if (valueTypeProperty) { - store.isRoot = (compileState->root == valueTypeProperty->parent); - } else { - store.isRoot = (compileState->root == obj); - } - store.line = binding->location.start.line; - store.column = binding->location.start.column; - - Q_ASSERT(js.bindingContext.owner == 0 || - (js.bindingContext.owner != 0 && valueTypeProperty)); - if (js.bindingContext.owner) { - store.property = genValueTypeData(prop, valueTypeProperty); - } else { - store.property = prop->core; - } - - output->addInstruction(store); - } else if (ref.dataType == BindingReference::QtScript) { - const JSBindingReference &js = static_cast<const JSBindingReference &>(ref); - - QDeclarativeInstruction store; - store.assignBinding.value = output->indexForString(js.rewrittenExpression); - store.assignBinding.context = js.bindingContext.stack; - store.assignBinding.owner = js.bindingContext.owner; - store.assignBinding.line = binding->location.start.line; - store.assignBinding.column = binding->location.start.column; - - if (valueTypeProperty) { - store.assignBinding.isRoot = (compileState->root == valueTypeProperty->parent); - } else { - store.assignBinding.isRoot = (compileState->root == obj); - } - - Q_ASSERT(js.bindingContext.owner == 0 || - (js.bindingContext.owner != 0 && valueTypeProperty)); - if (js.bindingContext.owner) { - store.assignBinding.property = genValueTypeData(prop, valueTypeProperty); - } else { - store.assignBinding.property = prop->core; - } - output->addInstructionHelper( - !prop->isAlias ? QDeclarativeInstruction::StoreBinding - : QDeclarativeInstruction::StoreBindingOnAlias - , store); - } else { - Q_ASSERT(!"Unhandled BindingReference::DataType type"); - } -} - -int QDeclarativeCompiler::genContextCache() -{ - if (compileState->ids.count() == 0) - return -1; - - QDeclarativeIntegerCache *cache = new QDeclarativeIntegerCache(); - cache->reserve(compileState->ids.count()); - for (Object *o = compileState->ids.first(); o; o = compileState->ids.next(o)) - cache->add(o->id, o->idIndex); - - output->contextCaches.append(cache); - return output->contextCaches.count() - 1; -} - -QDeclarativePropertyData -QDeclarativeCompiler::genValueTypeData(QDeclarativeScript::Property *valueTypeProp, - QDeclarativeScript::Property *prop) -{ - typedef QDeclarativePropertyPrivate QDPP; - return QDPP::saveValueType(prop->parent->metaObject(), prop->index, - enginePrivate->valueTypes[prop->type]->metaObject(), - valueTypeProp->index, engine); -} - -bool QDeclarativeCompiler::completeComponentBuild() -{ - if (componentStats) - componentStats->componentStat.ids = compileState->ids.count(); - - for (Object *aliasObject = compileState->aliasingObjects.first(); aliasObject; - aliasObject = compileState->aliasingObjects.next(aliasObject)) - COMPILE_CHECK(buildDynamicMeta(aliasObject, ResolveAliases)); - - QV4Compiler::Expression expr(unit->imports()); - expr.component = compileState->root; - expr.ids = &compileState->ids; - expr.importCache = output->importCache; - - QV4Compiler bindingCompiler; - - QList<JSBindingReference*> sharedBindings; - - for (JSBindingReference *b = compileState->bindings.first(); b; b = b->nextReference) { - - JSBindingReference &binding = *b; - - // ### We don't currently optimize for bindings on alias's - because - // of the solution to QTBUG-13719 - if (!binding.property->isAlias) { - expr.context = binding.bindingContext.object; - expr.property = binding.property; - expr.expression = binding.expression; - - int index = bindingCompiler.compile(expr, enginePrivate); - if (index != -1) { - binding.dataType = BindingReference::V4; - binding.compiledIndex = index; - if (componentStats) - componentStats->componentStat.optimizedBindings.append(b->value->location); - continue; - } - } - - // Pre-rewrite the expression - QString expression = binding.expression.asScript(); - - QDeclarativeRewrite::RewriteBinding rewriteBinding; - rewriteBinding.setName(QLatin1Char('$')+binding.property->name().toString()); - bool isSharable = false; - binding.rewrittenExpression = rewriteBinding(binding.expression.asAST(), expression, &isSharable); - - if (isSharable && !binding.property->isValueTypeSubProperty && !binding.property->isAlias /* See above re alias */ && - binding.property->type != qMetaTypeId<QDeclarativeBinding*>()) { - binding.dataType = BindingReference::V8; - sharedBindings.append(b); - } else { - binding.dataType = BindingReference::QtScript; - } - - if (componentStats) - componentStats->componentStat.scriptBindings.append(b->value->location); - } - - if (!sharedBindings.isEmpty()) { - struct Sort { - static bool lt(const JSBindingReference *lhs, const JSBindingReference *rhs) - { - return lhs->value->location.start.line < rhs->value->location.start.line; - } - }; - - qSort(sharedBindings.begin(), sharedBindings.end(), Sort::lt); - - int startLineNumber = sharedBindings.at(0)->value->location.start.line; - int lineNumber = startLineNumber; - - QByteArray functionArray("[", 1); - for (int ii = 0; ii < sharedBindings.count(); ++ii) { - - JSBindingReference *reference = sharedBindings.at(ii); - QDeclarativeScript::Value *value = reference->value; - const QString &expression = reference->rewrittenExpression; - - if (ii != 0) functionArray.append(",", 1); - - while (lineNumber < value->location.start.line) { - lineNumber++; - functionArray.append("\n", 1); - } - - functionArray += expression.toUtf8(); - lineNumber += expression.count(QLatin1Char('\n')); - reference->compiledIndex = ii; - } - functionArray.append("]", 1); - - compileState->v8BindingProgram = functionArray; - compileState->v8BindingProgramLine = startLineNumber; - } - - if (bindingCompiler.isValid()) - compileState->compiledBindingData = bindingCompiler.program(); - - // Check pop()'s matched push()'s - Q_ASSERT(compileState->objectDepth.depth() == 0); - Q_ASSERT(compileState->listDepth.depth() == 0); - - saveComponentState(); - - return true; -} - -void QDeclarativeCompiler::dumpStats() -{ - Q_ASSERT(componentStats); - qWarning().nospace() << "QML Document: " << output->url.toString(); - for (int ii = 0; ii < componentStats->savedComponentStats.count(); ++ii) { - const ComponentStat &stat = componentStats->savedComponentStats.at(ii); - qWarning().nospace() << " Component Line " << stat.lineNumber; - qWarning().nospace() << " Total Objects: " << stat.objects; - qWarning().nospace() << " IDs Used: " << stat.ids; - qWarning().nospace() << " Optimized Bindings: " << stat.optimizedBindings.count(); - - { - QByteArray output; - for (int ii = 0; ii < stat.optimizedBindings.count(); ++ii) { - if (0 == (ii % 10)) { - if (ii) output.append("\n"); - output.append(" "); - } - - output.append("("); - output.append(QByteArray::number(stat.optimizedBindings.at(ii).start.line)); - output.append(":"); - output.append(QByteArray::number(stat.optimizedBindings.at(ii).start.column)); - output.append(") "); - } - if (!output.isEmpty()) - qWarning().nospace() << output.constData(); - } - - qWarning().nospace() << " QScript Bindings: " << stat.scriptBindings.count(); - { - QByteArray output; - for (int ii = 0; ii < stat.scriptBindings.count(); ++ii) { - if (0 == (ii % 10)) { - if (ii) output.append("\n"); - output.append(" "); - } - - output.append("("); - output.append(QByteArray::number(stat.scriptBindings.at(ii).start.line)); - output.append(":"); - output.append(QByteArray::number(stat.scriptBindings.at(ii).start.column)); - output.append(") "); - } - if (!output.isEmpty()) - qWarning().nospace() << output.constData(); - } - } -} - -/*! - Returns true if from can be assigned to a (QObject) property of type - to. -*/ -bool QDeclarativeCompiler::canCoerce(int to, QDeclarativeScript::Object *from) -{ - const QMetaObject *toMo = enginePrivate->rawMetaObjectForType(to); - const QMetaObject *fromMo = from->metaObject(); - - while (fromMo) { - if (QDeclarativePropertyPrivate::equal(fromMo, toMo)) - return true; - fromMo = fromMo->superClass(); - } - return false; -} - -/*! - Returns the element name, as written in the QML file, for o. -*/ -QString QDeclarativeCompiler::elementName(QDeclarativeScript::Object *o) -{ - Q_ASSERT(o); - if (o->type != -1) { - return output->types.at(o->type).className; - } else { - return QString(); - } -} - -QDeclarativeType *QDeclarativeCompiler::toQmlType(QDeclarativeScript::Object *from) -{ - // ### Optimize - const QMetaObject *mo = from->metatype; - QDeclarativeType *type = 0; - while (!type && mo) { - type = QDeclarativeMetaType::qmlType(mo); - mo = mo->superClass(); - } - return type; -} - -QStringList QDeclarativeCompiler::deferredProperties(QDeclarativeScript::Object *obj) -{ - const QMetaObject *mo = obj->metatype; - - int idx = mo->indexOfClassInfo("DeferredPropertyNames"); - if (idx == -1) - return QStringList(); - - QMetaClassInfo classInfo = mo->classInfo(idx); - QStringList rv = QString::fromUtf8(classInfo.value()).split(QLatin1Char(',')); - return rv; -} - -QDeclarativePropertyData * -QDeclarativeCompiler::property(QDeclarativeScript::Object *object, int index) -{ - QDeclarativePropertyCache *cache = 0; - - if (object->synthCache) - cache = object->synthCache; - else if (object->type != -1) - cache = output->types[object->type].createPropertyCache(engine); - else - cache = QDeclarativeEnginePrivate::get(engine)->cache(object->metaObject()); - - return cache->property(index); -} - -QDeclarativePropertyData * -QDeclarativeCompiler::property(QDeclarativeScript::Object *object, const QHashedStringRef &name, bool *notInRevision) -{ - if (notInRevision) *notInRevision = false; - - QDeclarativePropertyCache *cache = 0; - - if (object->synthCache) - cache = object->synthCache; - else if (object->type != -1) - cache = output->types[object->type].createPropertyCache(engine); - else - cache = QDeclarativeEnginePrivate::get(engine)->cache(object->metaObject()); - - QDeclarativePropertyData *d = cache->property(name); - - // Find the first property - while (d && d->isFunction()) - d = cache->overrideData(d); - - if (d && !cache->isAllowedInRevision(d)) { - if (notInRevision) *notInRevision = true; - return 0; - } else { - return d; - } -} - -// This code must match the semantics of QDeclarativePropertyPrivate::findSignalByName -QDeclarativePropertyData * -QDeclarativeCompiler::signal(QDeclarativeScript::Object *object, const QHashedStringRef &name, bool *notInRevision) -{ - if (notInRevision) *notInRevision = false; - - QDeclarativePropertyCache *cache = 0; - - if (object->synthCache) - cache = object->synthCache; - else if (object->type != -1) - cache = output->types[object->type].createPropertyCache(engine); - else - cache = QDeclarativeEnginePrivate::get(engine)->cache(object->metaObject()); - - - QDeclarativePropertyData *d = cache->property(name); - if (notInRevision) *notInRevision = false; - - while (d && !(d->isFunction())) - d = cache->overrideData(d); - - if (d && !cache->isAllowedInRevision(d)) { - if (notInRevision) *notInRevision = true; - return 0; - } else if (d) { - return d; - } - - if (name.endsWith(Changed_string)) { - QHashedStringRef propName = name.mid(0, name.length() - Changed_string.length()); - - d = property(object, propName, notInRevision); - if (d) - return cache->method(d->notifyIndex); - } - - return 0; -} - -// This code must match the semantics of QDeclarativePropertyPrivate::findSignalByName -int QDeclarativeCompiler::indexOfSignal(QDeclarativeScript::Object *object, const QString &name, - bool *notInRevision) -{ - QDeclarativePropertyData *d = signal(object, QStringRef(&name), notInRevision); - return d?d->coreIndex:-1; -} - -int QDeclarativeCompiler::indexOfProperty(QDeclarativeScript::Object *object, const QString &name, - bool *notInRevision) -{ - return indexOfProperty(object, QStringRef(&name), notInRevision); -} - -int QDeclarativeCompiler::indexOfProperty(QDeclarativeScript::Object *object, const QHashedStringRef &name, - bool *notInRevision) -{ - QDeclarativePropertyData *d = property(object, name, notInRevision); - return d?d->coreIndex:-1; -} - -QT_END_NAMESPACE |