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Diffstat (limited to 'src/declarative/qml/qdeclarativescript.cpp')
| -rw-r--r-- | src/declarative/qml/qdeclarativescript.cpp | 1700 |
1 files changed, 0 insertions, 1700 deletions
diff --git a/src/declarative/qml/qdeclarativescript.cpp b/src/declarative/qml/qdeclarativescript.cpp deleted file mode 100644 index 7a2247fac0..0000000000 --- a/src/declarative/qml/qdeclarativescript.cpp +++ /dev/null @@ -1,1700 +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 "qdeclarativescript_p.h" - -#include "parser/qdeclarativejsengine_p.h" -#include "parser/qdeclarativejsparser_p.h" -#include "parser/qdeclarativejslexer_p.h" -#include "parser/qdeclarativejsmemorypool_p.h" -#include "parser/qdeclarativejsastvisitor_p.h" -#include "parser/qdeclarativejsast_p.h" -#include <private/qdeclarativerewrite_p.h> - -#include <QStack> -#include <QCoreApplication> -#include <QtDebug> - -QT_BEGIN_NAMESPACE - -using namespace QDeclarativeJS; -using namespace QDeclarativeScript; - -// -// Parser IR classes -// -QDeclarativeScript::Object::Object() -: type(-1), idIndex(-1), metatype(0), synthCache(0), defaultProperty(0), parserStatusCast(-1), - componentCompileState(0), nextAliasingObject(0), nextIdObject(0) -{ -} - -QDeclarativeScript::Object::~Object() -{ - if (synthCache) synthCache->release(); -} - -void Object::setBindingBit(int b) -{ - while (bindingBitmask.size() < 4 * (1 + b / 32)) - bindingBitmask.append(char(0)); - - quint32 *bits = (quint32 *)bindingBitmask.data(); - bits[b / 32] |= (1 << (b % 32)); -} - -const QMetaObject *Object::metaObject() const -{ - if (!metadata.isEmpty() && metatype) - return &extObject; - else - return metatype; -} - -QDeclarativeScript::Property *Object::getDefaultProperty() -{ - if (!defaultProperty) { - defaultProperty = pool()->New<Property>(); - defaultProperty->parent = this; - } - return defaultProperty; -} - -void QDeclarativeScript::Object::addValueProperty(Property *p) -{ - valueProperties.append(p); -} - -void QDeclarativeScript::Object::addSignalProperty(Property *p) -{ - signalProperties.append(p); -} - -void QDeclarativeScript::Object::addAttachedProperty(Property *p) -{ - attachedProperties.append(p); -} - -void QDeclarativeScript::Object::addGroupedProperty(Property *p) -{ - groupedProperties.append(p); -} - -void QDeclarativeScript::Object::addValueTypeProperty(Property *p) -{ - valueTypeProperties.append(p); -} - -void QDeclarativeScript::Object::addScriptStringProperty(Property *p) -{ - scriptStringProperties.append(p); -} - -// This lookup is optimized for missing, and having to create a new property. -Property *QDeclarativeScript::Object::getProperty(const QHashedStringRef &name, bool create) -{ - if (create) { - quint32 h = name.hash(); - if (propertiesHashField.testAndSet(h)) { - for (Property *p = properties.first(); p; p = properties.next(p)) { - if (p->name() == name) - return p; - } - } - - Property *property = pool()->New<Property>(); - property->parent = this; - property->_name = name; - property->isDefault = false; - properties.prepend(property); - return property; - } else { - for (Property *p = properties.first(); p; p = properties.next(p)) { - if (p->name() == name) - return p; - } - } - - return 0; -} - -Property *QDeclarativeScript::Object::getProperty(const QStringRef &name, bool create) -{ - return getProperty(QHashedStringRef(name), create); -} - -Property *QDeclarativeScript::Object::getProperty(const QString &name, bool create) -{ - for (Property *p = properties.first(); p; p = properties.next(p)) { - if (p->name() == name) - return p; - } - - if (create) { - Property *property = pool()->New<Property>(); - property->parent = this; - property->_name = QStringRef(pool()->NewString(name)); - propertiesHashField.testAndSet(property->_name.hash()); - property->isDefault = false; - properties.prepend(property); - return property; - } else { - return 0; - } -} - -QDeclarativeScript::Object::DynamicProperty::DynamicProperty() -: isDefaultProperty(false), isReadOnly(false), type(Variant), defaultValue(0), nextProperty(0), - resolvedCustomTypeName(0) -{ -} - -QDeclarativeScript::Object::DynamicSignal::DynamicSignal() -: nextSignal(0) -{ -} - -// Returns length in utf8 bytes -int QDeclarativeScript::Object::DynamicSignal::parameterTypesLength() const -{ - int rv = 0; - for (int ii = 0; ii < parameterTypes.count(); ++ii) - rv += parameterTypes.at(ii).length(); - return rv; -} - -// Returns length in utf8 bytes -int QDeclarativeScript::Object::DynamicSignal::parameterNamesLength() const -{ - int rv = 0; - for (int ii = 0; ii < parameterNames.count(); ++ii) - rv += parameterNames.at(ii).utf8length(); - return rv; -} - -QDeclarativeScript::Object::DynamicSlot::DynamicSlot() -: nextSlot(0) -{ -} - -int QDeclarativeScript::Object::DynamicSlot::parameterNamesLength() const -{ - int rv = 0; - for (int ii = 0; ii < parameterNames.count(); ++ii) - rv += parameterNames.at(ii).length(); - return rv; -} - -QDeclarativeScript::Property::Property() -: parent(0), type(0), index(-1), value(0), isDefault(true), isDeferred(false), - isValueTypeSubProperty(false), isAlias(false), isReadOnlyDeclaration(false), - scriptStringScope(-1), nextMainProperty(0), nextProperty(0) -{ -} - -QDeclarativeScript::Object *QDeclarativeScript::Property::getValue(const LocationSpan &l) -{ - if (!value) { value = pool()->New<Object>(); value->location = l; } - return value; -} - -void QDeclarativeScript::Property::addValue(Value *v) -{ - values.append(v); -} - -void QDeclarativeScript::Property::addOnValue(Value *v) -{ - onValues.append(v); -} - -bool QDeclarativeScript::Property::isEmpty() const -{ - return !value && values.isEmpty() && onValues.isEmpty(); -} - -QDeclarativeScript::Value::Value() -: type(Unknown), object(0), bindingReference(0), nextValue(0) -{ -} - -QDeclarativeScript::Variant::Variant() -: t(Invalid) -{ -} - -QDeclarativeScript::Variant::Variant(const Variant &o) -: t(o.t), d(o.d), asWritten(o.asWritten) -{ -} - -QDeclarativeScript::Variant::Variant(bool v) -: t(Boolean), b(v) -{ -} - -QDeclarativeScript::Variant::Variant(double v, const QStringRef &asWritten) -: t(Number), d(v), asWritten(asWritten) -{ -} - -QDeclarativeScript::Variant::Variant(QDeclarativeJS::AST::StringLiteral *v) -: t(String), l(v) -{ -} - -QDeclarativeScript::Variant::Variant(const QStringRef &asWritten, QDeclarativeJS::AST::Node *n) -: t(Script), n(n), asWritten(asWritten) -{ -} - -QDeclarativeScript::Variant &QDeclarativeScript::Variant::operator=(const Variant &o) -{ - t = o.t; - d = o.d; - asWritten = o.asWritten; - return *this; -} - -QDeclarativeScript::Variant::Type QDeclarativeScript::Variant::type() const -{ - return t; -} - -bool QDeclarativeScript::Variant::asBoolean() const -{ - return b; -} - -QString QDeclarativeScript::Variant::asString() const -{ - if (t == String) { - return l->value.toString(); - } else { - return asWritten.toString(); - } -} - -double QDeclarativeScript::Variant::asNumber() const -{ - return d; -} - -//reverse of Lexer::singleEscape() -QString escapedString(const QString &string) -{ - QString tmp = QLatin1String("\""); - for (int i = 0; i < string.length(); ++i) { - const QChar &c = string.at(i); - switch(c.unicode()) { - case 0x08: - tmp += QLatin1String("\\b"); - break; - case 0x09: - tmp += QLatin1String("\\t"); - break; - case 0x0A: - tmp += QLatin1String("\\n"); - break; - case 0x0B: - tmp += QLatin1String("\\v"); - break; - case 0x0C: - tmp += QLatin1String("\\f"); - break; - case 0x0D: - tmp += QLatin1String("\\r"); - break; - case 0x22: - tmp += QLatin1String("\\\""); - break; - case 0x27: - tmp += QLatin1String("\\\'"); - break; - case 0x5C: - tmp += QLatin1String("\\\\"); - break; - default: - tmp += c; - break; - } - } - tmp += QLatin1Char('\"'); - return tmp; -} - -QString QDeclarativeScript::Variant::asScript() const -{ - switch(type()) { - default: - case Invalid: - return QString(); - case Boolean: - return b?QLatin1String("true"):QLatin1String("false"); - case Number: - if (asWritten.isEmpty()) - return QString::number(d); - else - return asWritten.toString(); - case String: - return escapedString(asString()); - case Script: - if (AST::IdentifierExpression *i = AST::cast<AST::IdentifierExpression *>(n)) { - return i->name.toString(); - } else - return asWritten.toString(); - } -} - -QDeclarativeJS::AST::Node *QDeclarativeScript::Variant::asAST() const -{ - if (type() == Script) - return n; - else - return 0; -} - -bool QDeclarativeScript::Variant::isStringList() const -{ - if (isString()) - return true; - - if (type() != Script || !n) - return false; - - AST::ArrayLiteral *array = AST::cast<AST::ArrayLiteral *>(n); - if (!array) - return false; - - AST::ElementList *elements = array->elements; - - while (elements) { - - if (!AST::cast<AST::StringLiteral *>(elements->expression)) - return false; - - elements = elements->next; - } - - return true; -} - -QStringList QDeclarativeScript::Variant::asStringList() const -{ - QStringList rv; - if (isString()) { - rv << asString(); - return rv; - } - - AST::ArrayLiteral *array = AST::cast<AST::ArrayLiteral *>(n); - if (!array) - return rv; - - AST::ElementList *elements = array->elements; - while (elements) { - - AST::StringLiteral *string = AST::cast<AST::StringLiteral *>(elements->expression); - if (!string) - return QStringList(); - rv.append(string->value.toString()); - - elements = elements->next; - } - - return rv; -} - -// -// Actual parser classes -// -void QDeclarativeScript::Import::extractVersion(int *maj, int *min) const -{ - *maj = -1; *min = -1; - - if (!version.isEmpty()) { - int dot = version.indexOf(QLatin1Char('.')); - if (dot < 0) { - *maj = version.toInt(); - *min = 0; - } else { - *maj = version.left(dot).toInt(); - *min = version.mid(dot+1).toInt(); - } - } -} - -namespace { - -class ProcessAST: protected AST::Visitor -{ - struct State { - State() : object(0), property(0) {} - State(QDeclarativeScript::Object *o) : object(o), property(0) {} - State(QDeclarativeScript::Object *o, Property *p) : object(o), property(p) {} - - QDeclarativeScript::Object *object; - Property *property; - }; - - struct StateStack : public QStack<State> - { - void pushObject(QDeclarativeScript::Object *obj) - { - push(State(obj)); - } - - void pushProperty(const QString &name, const LocationSpan &location) - { - const State &state = top(); - if (state.property) { - State s(state.property->getValue(location), - state.property->getValue(location)->getProperty(name)); - s.property->location = location; - push(s); - } else { - State s(state.object, state.object->getProperty(name)); - - s.property->location = location; - push(s); - } - } - - void pushProperty(const QStringRef &name, const LocationSpan &location) - { - const State &state = top(); - if (state.property) { - State s(state.property->getValue(location), - state.property->getValue(location)->getProperty(name)); - s.property->location = location; - push(s); - } else { - State s(state.object, state.object->getProperty(name)); - - s.property->location = location; - push(s); - } - } - }; - -public: - ProcessAST(QDeclarativeScript::Parser *parser); - virtual ~ProcessAST(); - - void operator()(const QString &code, AST::Node *node); - -protected: - - QDeclarativeScript::Object *defineObjectBinding(AST::UiQualifiedId *propertyName, bool onAssignment, - const QString &objectType, - AST::SourceLocation typeLocation, - LocationSpan location, - AST::UiObjectInitializer *initializer = 0); - - QDeclarativeScript::Variant getVariant(AST::Statement *stmt); - QDeclarativeScript::Variant getVariant(AST::ExpressionNode *expr); - - LocationSpan location(AST::SourceLocation start, AST::SourceLocation end); - LocationSpan location(AST::UiQualifiedId *); - - using AST::Visitor::visit; - using AST::Visitor::endVisit; - - virtual bool visit(AST::UiProgram *node); - virtual bool visit(AST::UiImport *node); - virtual bool visit(AST::UiObjectDefinition *node); - virtual bool visit(AST::UiPublicMember *node); - virtual bool visit(AST::UiObjectBinding *node); - - virtual bool visit(AST::UiScriptBinding *node); - virtual bool visit(AST::UiArrayBinding *node); - virtual bool visit(AST::UiSourceElement *node); - - void accept(AST::Node *node); - - QString asString(AST::UiQualifiedId *node) const; - - const State state() const; - QDeclarativeScript::Object *currentObject() const; - Property *currentProperty() const; - - QString qualifiedNameId() const; - - QString textAt(const AST::SourceLocation &loc) const - { return _contents->mid(loc.offset, loc.length); } - - QStringRef textRefAt(const AST::SourceLocation &loc) const - { return QStringRef(_contents, loc.offset, loc.length); } - - QString textAt(const AST::SourceLocation &first, - const AST::SourceLocation &last) const - { return _contents->mid(first.offset, last.offset + last.length - first.offset); } - - QStringRef textRefAt(const AST::SourceLocation &first, - const AST::SourceLocation &last) const - { return QStringRef(_contents, first.offset, last.offset + last.length - first.offset); } - - QString asString(AST::ExpressionNode *expr) - { - if (! expr) - return QString(); - - return textAt(expr->firstSourceLocation(), expr->lastSourceLocation()); - } - - QStringRef asStringRef(AST::ExpressionNode *expr) - { - if (! expr) - return QStringRef(); - - return textRefAt(expr->firstSourceLocation(), expr->lastSourceLocation()); - } - - QString asString(AST::Statement *stmt) - { - if (! stmt) - return QString(); - - QString s = textAt(stmt->firstSourceLocation(), stmt->lastSourceLocation()); - s += QLatin1Char('\n'); - return s; - } - - QStringRef asStringRef(AST::Statement *stmt) - { - if (! stmt) - return QStringRef(); - - return textRefAt(stmt->firstSourceLocation(), stmt->lastSourceLocation()); - } - -private: - QDeclarativeScript::Parser *_parser; - StateStack _stateStack; - QStringList _scope; - const QString *_contents; -}; - -ProcessAST::ProcessAST(QDeclarativeScript::Parser *parser) - : _parser(parser) -{ -} - -ProcessAST::~ProcessAST() -{ -} - -void ProcessAST::operator()(const QString &code, AST::Node *node) -{ - _contents = &code; - accept(node); -} - -void ProcessAST::accept(AST::Node *node) -{ - AST::Node::acceptChild(node, this); -} - -const ProcessAST::State ProcessAST::state() const -{ - if (_stateStack.isEmpty()) - return State(); - - return _stateStack.back(); -} - -QDeclarativeScript::Object *ProcessAST::currentObject() const -{ - return state().object; -} - -Property *ProcessAST::currentProperty() const -{ - return state().property; -} - -QString ProcessAST::qualifiedNameId() const -{ - return _scope.join(QLatin1String("/")); -} - -QString ProcessAST::asString(AST::UiQualifiedId *node) const -{ - QString s; - - for (AST::UiQualifiedId *it = node; it; it = it->next) { - s.append(it->name.toString()); - - if (it->next) - s.append(QLatin1Char('.')); - } - - return s; -} - -QDeclarativeScript::Object * -ProcessAST::defineObjectBinding(AST::UiQualifiedId *propertyName, - bool onAssignment, - const QString &objectType, - AST::SourceLocation typeLocation, - LocationSpan location, - AST::UiObjectInitializer *initializer) -{ - int lastTypeDot = objectType.lastIndexOf(QLatin1Char('.')); - - // With no preceding qualification, first char is at (-1 + 1) == 0 - bool isType = !objectType.isEmpty() && objectType.at(lastTypeDot+1).isUpper(); - - int propertyCount = 0; - for (AST::UiQualifiedId *name = propertyName; name; name = name->next){ - ++propertyCount; - _stateStack.pushProperty(name->name, - this->location(name)); - } - - if (!onAssignment && propertyCount && currentProperty() && !currentProperty()->values.isEmpty()) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times")); - error.setLine(this->location(propertyName).start.line); - error.setColumn(this->location(propertyName).start.column); - _parser->_errors << error; - return 0; - } - - if (!isType) { - - // Is the identifier qualified by a namespace? - int namespaceLength = 0; - if (lastTypeDot > 0) { - const QString qualifier(objectType.left(lastTypeDot)); - - for (int ii = 0; ii < _parser->_imports.count(); ++ii) { - const QDeclarativeScript::Import &import = _parser->_imports.at(ii); - if (import.qualifier == qualifier) { - // The qualifier is a namespace - expect a type here - namespaceLength = qualifier.length() + 1; - break; - } - } - } - - if (propertyCount || !currentObject() || namespaceLength) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected type name")); - error.setLine(typeLocation.startLine); - error.setColumn(typeLocation.startColumn + namespaceLength); - _parser->_errors << error; - return 0; - } - - LocationSpan loc = ProcessAST::location(typeLocation, typeLocation); - if (propertyName) - loc = ProcessAST::location(propertyName); - - _stateStack.pushProperty(objectType, loc); - accept(initializer); - _stateStack.pop(); - - return 0; - - } else { - // Class - - QString resolvableObjectType = objectType; - if (lastTypeDot >= 0) - resolvableObjectType.replace(QLatin1Char('.'),QLatin1Char('/')); - - QDeclarativeScript::Object *obj = _parser->_pool.New<QDeclarativeScript::Object>(); - - QDeclarativeScript::TypeReference *typeRef = _parser->findOrCreateType(resolvableObjectType); - obj->type = typeRef->id; - - typeRef->refObjects.append(obj); - - // XXX this doesn't do anything (_scope never builds up) - _scope.append(resolvableObjectType); - obj->typeName = qualifiedNameId(); - _scope.removeLast(); - - obj->location = location; - - if (propertyCount) { - Property *prop = currentProperty(); - QDeclarativeScript::Value *v = _parser->_pool.New<QDeclarativeScript::Value>(); - v->object = obj; - v->location = obj->location; - if (onAssignment) - prop->addOnValue(v); - else - prop->addValue(v); - - while (propertyCount--) - _stateStack.pop(); - - } else { - - if (! _parser->tree()) { - _parser->setTree(obj); - } else { - const State state = _stateStack.top(); - QDeclarativeScript::Value *v = _parser->_pool.New<QDeclarativeScript::Value>(); - v->object = obj; - v->location = obj->location; - if (state.property) { - state.property->addValue(v); - } else { - Property *defaultProp = state.object->getDefaultProperty(); - if (defaultProp->location.start.line == -1) { - defaultProp->location = v->location; - defaultProp->location.end = defaultProp->location.start; - defaultProp->location.range.length = 0; - } - defaultProp->addValue(v); - } - } - } - - _stateStack.pushObject(obj); - accept(initializer); - _stateStack.pop(); - - return obj; - } -} - -LocationSpan ProcessAST::location(AST::UiQualifiedId *id) -{ - return location(id->identifierToken, id->identifierToken); -} - -LocationSpan ProcessAST::location(AST::SourceLocation start, AST::SourceLocation end) -{ - LocationSpan rv; - rv.start.line = start.startLine; - rv.start.column = start.startColumn; - rv.end.line = end.startLine; - rv.end.column = end.startColumn + end.length - 1; - rv.range.offset = start.offset; - rv.range.length = end.offset + end.length - start.offset; - return rv; -} - -// UiProgram: UiImportListOpt UiObjectMemberList ; -bool ProcessAST::visit(AST::UiProgram *node) -{ - accept(node->imports); - accept(node->members->member); - return false; -} - -// UiImport: T_IMPORT T_STRING_LITERAL ; -bool ProcessAST::visit(AST::UiImport *node) -{ - QString uri; - QDeclarativeScript::Import import; - - if (!node->fileName.isNull()) { - uri = node->fileName.toString(); - - if (uri.endsWith(QLatin1String(".js"))) { - import.type = QDeclarativeScript::Import::Script; - } else { - import.type = QDeclarativeScript::Import::File; - } - } else { - import.type = QDeclarativeScript::Import::Library; - uri = asString(node->importUri); - } - - AST::SourceLocation startLoc = node->importToken; - AST::SourceLocation endLoc = node->semicolonToken; - - // Qualifier - if (!node->importId.isNull()) { - import.qualifier = node->importId.toString(); - if (!import.qualifier.at(0).isUpper()) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Invalid import qualifier ID")); - error.setLine(node->importIdToken.startLine); - error.setColumn(node->importIdToken.startColumn); - _parser->_errors << error; - return false; - } - if (import.qualifier == QLatin1String("Qt")) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Reserved name \"Qt\" cannot be used as an qualifier")); - error.setLine(node->importIdToken.startLine); - error.setColumn(node->importIdToken.startColumn); - _parser->_errors << error; - return false; - } - - // Check for script qualifier clashes - bool isScript = import.type == QDeclarativeScript::Import::Script; - for (int ii = 0; ii < _parser->_imports.count(); ++ii) { - const QDeclarativeScript::Import &other = _parser->_imports.at(ii); - bool otherIsScript = other.type == QDeclarativeScript::Import::Script; - - if ((isScript || otherIsScript) && import.qualifier == other.qualifier) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Script import qualifiers must be unique.")); - error.setLine(node->importIdToken.startLine); - error.setColumn(node->importIdToken.startColumn); - _parser->_errors << error; - return false; - } - } - - } else if (import.type == QDeclarativeScript::Import::Script) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Script import requires a qualifier")); - error.setLine(node->fileNameToken.startLine); - error.setColumn(node->fileNameToken.startColumn); - _parser->_errors << error; - return false; - } - - if (node->versionToken.isValid()) { - import.version = textAt(node->versionToken); - } else if (import.type == QDeclarativeScript::Import::Library) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Library import requires a version")); - error.setLine(node->importIdToken.startLine); - error.setColumn(node->importIdToken.startColumn); - _parser->_errors << error; - return false; - } - - - import.location = location(startLoc, endLoc); - import.uri = uri; - - _parser->_imports << import; - - return false; -} - -bool ProcessAST::visit(AST::UiPublicMember *node) -{ - static const struct TypeNameToType { - const char *name; - int nameLength; - Object::DynamicProperty::Type type; - const char *qtName; - int qtNameLength; - } propTypeNameToTypes[] = { - { "int", strlen("int"), Object::DynamicProperty::Int, "int", strlen("int") }, - { "bool", strlen("bool"), Object::DynamicProperty::Bool, "bool", strlen("bool") }, - { "double", strlen("double"), Object::DynamicProperty::Real, "double", strlen("double") }, - { "real", strlen("real"), Object::DynamicProperty::Real, "qreal", strlen("qreal") }, - { "string", strlen("string"), Object::DynamicProperty::String, "QString", strlen("QString") }, - { "url", strlen("url"), Object::DynamicProperty::Url, "QUrl", strlen("QUrl") }, - { "color", strlen("color"), Object::DynamicProperty::Color, "QColor", strlen("QColor") }, - // Internally QTime, QDate and QDateTime are all supported. - // To be more consistent with JavaScript we expose only - // QDateTime as it matches closely with the Date JS type. - // We also call it "date" to match. - // { "time", strlen("time"), Object::DynamicProperty::Time, "QTime", strlen("QTime") }, - // { "date", strlen("date"), Object::DynamicProperty::Date, "QDate", strlen("QDate") }, - { "date", strlen("date"), Object::DynamicProperty::DateTime, "QDateTime", strlen("QDateTime") }, - { "variant", strlen("variant"), Object::DynamicProperty::Variant, "QVariant", strlen("QVariant") }, - { "var", strlen("var"), Object::DynamicProperty::Var, "QVariant", strlen("QVariant") } - }; - static const int propTypeNameToTypesCount = sizeof(propTypeNameToTypes) / - sizeof(propTypeNameToTypes[0]); - - if(node->type == AST::UiPublicMember::Signal) { - Object::DynamicSignal *signal = _parser->_pool.New<Object::DynamicSignal>(); - signal->name = node->name; - - AST::UiParameterList *p = node->parameters; - int paramLength = 0; - while (p) { paramLength++; p = p->next; } - p = node->parameters; - - if (paramLength) { - signal->parameterTypes = _parser->_pool.NewRawList<QHashedCStringRef>(paramLength); - signal->parameterNames = _parser->_pool.NewRawList<QHashedStringRef>(paramLength); - } - - int index = 0; - while (p) { - const QStringRef &memberType = p->type; - - const TypeNameToType *type = 0; - for(int typeIndex = 0; typeIndex < propTypeNameToTypesCount; ++typeIndex) { - const TypeNameToType *t = propTypeNameToTypes + typeIndex; - if (t->nameLength == memberType.length() && - QHashedString::compare(memberType.constData(), t->name, t->nameLength)) { - type = t; - break; - } - } - - if (!type) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected parameter type")); - error.setLine(node->typeToken.startLine); - error.setColumn(node->typeToken.startColumn); - _parser->_errors << error; - return false; - } - - signal->parameterTypes[index] = QHashedCStringRef(type->qtName, type->qtNameLength); - signal->parameterNames[index] = QHashedStringRef(p->name); - p = p->next; - index++; - } - - signal->location = location(node->typeToken, node->semicolonToken); - _stateStack.top().object->dynamicSignals.append(signal); - } else { - const QStringRef &memberType = node->memberType; - const QStringRef &name = node->name; - - bool typeFound = false; - Object::DynamicProperty::Type type; - - if ((unsigned)memberType.length() == strlen("alias") && - QHashedString::compare(memberType.constData(), "alias", strlen("alias"))) { - type = Object::DynamicProperty::Alias; - typeFound = true; - } - - for(int ii = 0; !typeFound && ii < propTypeNameToTypesCount; ++ii) { - const TypeNameToType *t = propTypeNameToTypes + ii; - if (t->nameLength == memberType.length() && - QHashedString::compare(memberType.constData(), t->name, t->nameLength)) { - type = t->type; - typeFound = true; - } - } - - if (!typeFound && memberType.at(0).isUpper()) { - const QStringRef &typeModifier = node->typeModifier; - - if (typeModifier.isEmpty()) { - type = Object::DynamicProperty::Custom; - } else if((unsigned)typeModifier.length() == strlen("list") && - QHashedString::compare(typeModifier.constData(), "list", strlen("list"))) { - type = Object::DynamicProperty::CustomList; - } else { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Invalid property type modifier")); - error.setLine(node->typeModifierToken.startLine); - error.setColumn(node->typeModifierToken.startColumn); - _parser->_errors << error; - return false; - } - typeFound = true; - } else if (!node->typeModifier.isNull()) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Unexpected property type modifier")); - error.setLine(node->typeModifierToken.startLine); - error.setColumn(node->typeModifierToken.startColumn); - _parser->_errors << error; - return false; - } - - if(!typeFound) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected property type")); - error.setLine(node->typeToken.startLine); - error.setColumn(node->typeToken.startColumn); - _parser->_errors << error; - return false; - } - - Object::DynamicProperty *property = _parser->_pool.New<Object::DynamicProperty>(); - property->isDefaultProperty = node->isDefaultMember; - property->isReadOnly = node->isReadonlyMember; - property->type = type; - property->nameLocation.line = node->identifierToken.startLine; - property->nameLocation.column = node->identifierToken.startColumn; - if (type >= Object::DynamicProperty::Custom) { - QDeclarativeScript::TypeReference *typeRef = - _parser->findOrCreateType(memberType.toString()); - typeRef->refObjects.append(_stateStack.top().object); - property->customType = memberType; - } - - property->name = QHashedStringRef(name); - property->location = location(node->firstSourceLocation(), - node->lastSourceLocation()); - - if (node->statement) { // default value - property->defaultValue = _parser->_pool.New<Property>(); - property->defaultValue->parent = _stateStack.top().object; - property->defaultValue->location = - location(node->statement->firstSourceLocation(), - node->statement->lastSourceLocation()); - QDeclarativeScript::Value *value = _parser->_pool.New<QDeclarativeScript::Value>(); - value->location = location(node->statement->firstSourceLocation(), - node->statement->lastSourceLocation()); - value->value = getVariant(node->statement); - property->defaultValue->values.append(value); - } - - _stateStack.top().object->dynamicProperties.append(property); - - // process QML-like initializers (e.g. property Object o: Object {}) - accept(node->binding); - } - - return false; -} - - -// UiObjectMember: UiQualifiedId UiObjectInitializer ; -bool ProcessAST::visit(AST::UiObjectDefinition *node) -{ - LocationSpan l = location(node->firstSourceLocation(), - node->lastSourceLocation()); - - const QString objectType = asString(node->qualifiedTypeNameId); - const AST::SourceLocation typeLocation = node->qualifiedTypeNameId->identifierToken; - - defineObjectBinding(/*propertyName = */ 0, false, objectType, - typeLocation, l, node->initializer); - - return false; -} - - -// UiObjectMember: UiQualifiedId T_COLON UiQualifiedId UiObjectInitializer ; -bool ProcessAST::visit(AST::UiObjectBinding *node) -{ - LocationSpan l = location(node->qualifiedTypeNameId->identifierToken, - node->initializer->rbraceToken); - - const QString objectType = asString(node->qualifiedTypeNameId); - const AST::SourceLocation typeLocation = node->qualifiedTypeNameId->identifierToken; - - defineObjectBinding(node->qualifiedId, node->hasOnToken, objectType, - typeLocation, l, node->initializer); - - return false; -} - -QDeclarativeScript::Variant ProcessAST::getVariant(AST::Statement *stmt) -{ - if (stmt) { - if (AST::ExpressionStatement *exprStmt = AST::cast<AST::ExpressionStatement *>(stmt)) - return getVariant(exprStmt->expression); - - return QDeclarativeScript::Variant(asStringRef(stmt), stmt); - } - - return QDeclarativeScript::Variant(); -} - -QDeclarativeScript::Variant ProcessAST::getVariant(AST::ExpressionNode *expr) -{ - if (AST::StringLiteral *lit = AST::cast<AST::StringLiteral *>(expr)) { - return QDeclarativeScript::Variant(lit); - } else if (expr->kind == AST::Node::Kind_TrueLiteral) { - return QDeclarativeScript::Variant(true); - } else if (expr->kind == AST::Node::Kind_FalseLiteral) { - return QDeclarativeScript::Variant(false); - } else if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(expr)) { - return QDeclarativeScript::Variant(lit->value, asStringRef(expr)); - } else { - - if (AST::UnaryMinusExpression *unaryMinus = AST::cast<AST::UnaryMinusExpression *>(expr)) { - if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(unaryMinus->expression)) { - return QDeclarativeScript::Variant(-lit->value, asStringRef(expr)); - } - } - - return QDeclarativeScript::Variant(asStringRef(expr), expr); - } -} - - -// UiObjectMember: UiQualifiedId T_COLON Statement ; -bool ProcessAST::visit(AST::UiScriptBinding *node) -{ - int propertyCount = 0; - AST::UiQualifiedId *propertyName = node->qualifiedId; - for (AST::UiQualifiedId *name = propertyName; name; name = name->next){ - ++propertyCount; - _stateStack.pushProperty(name->name, - location(name)); - } - - Property *prop = currentProperty(); - - if (!prop->values.isEmpty()) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times")); - error.setLine(this->location(propertyName).start.line); - error.setColumn(this->location(propertyName).start.column); - _parser->_errors << error; - return 0; - } - - QDeclarativeScript::Variant primitive; - - if (AST::ExpressionStatement *stmt = AST::cast<AST::ExpressionStatement *>(node->statement)) { - primitive = getVariant(stmt->expression); - } else { // do binding - primitive = QDeclarativeScript::Variant(asStringRef(node->statement), node->statement); - } - - prop->location.range.length = prop->location.range.offset + prop->location.range.length - node->qualifiedId->identifierToken.offset; - prop->location.range.offset = node->qualifiedId->identifierToken.offset; - QDeclarativeScript::Value *v = _parser->_pool.New<QDeclarativeScript::Value>(); - v->value = primitive; - v->location = location(node->statement->firstSourceLocation(), - node->statement->lastSourceLocation()); - - prop->addValue(v); - - while (propertyCount--) - _stateStack.pop(); - - return false; -} - -// UiObjectMember: UiQualifiedId T_COLON T_LBRACKET UiArrayMemberList T_RBRACKET ; -bool ProcessAST::visit(AST::UiArrayBinding *node) -{ - int propertyCount = 0; - AST::UiQualifiedId *propertyName = node->qualifiedId; - for (AST::UiQualifiedId *name = propertyName; name; name = name->next){ - ++propertyCount; - _stateStack.pushProperty(name->name, - location(name)); - } - - Property* prop = currentProperty(); - - if (!prop->values.isEmpty()) { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","Property value set multiple times")); - error.setLine(this->location(propertyName).start.line); - error.setColumn(this->location(propertyName).start.column); - _parser->_errors << error; - return false; - } - - accept(node->members); - - // For the DOM, store the position of the T_LBRACKET upto the T_RBRACKET as the range: - prop->listValueRange.offset = node->lbracketToken.offset; - prop->listValueRange.length = node->rbracketToken.offset + node->rbracketToken.length - node->lbracketToken.offset; - - while (propertyCount--) - _stateStack.pop(); - - return false; -} - -bool ProcessAST::visit(AST::UiSourceElement *node) -{ - QDeclarativeScript::Object *obj = currentObject(); - - if (AST::FunctionDeclaration *funDecl = AST::cast<AST::FunctionDeclaration *>(node->sourceElement)) { - - Object::DynamicSlot *slot = _parser->_pool.New<Object::DynamicSlot>(); - slot->location = location(funDecl->identifierToken, funDecl->lastSourceLocation()); - - AST::FormalParameterList *f = funDecl->formals; - while (f) { - slot->parameterNames << f->name.toUtf8(); - f = f->next; - } - - AST::SourceLocation loc = funDecl->rparenToken; - loc.offset = loc.end(); - loc.startColumn += 1; - QString body = textAt(loc, funDecl->rbraceToken); - slot->name = funDecl->name; - slot->body = body; - obj->dynamicSlots.append(slot); - - } else { - QDeclarativeError error; - error.setDescription(QCoreApplication::translate("QDeclarativeParser","JavaScript declaration outside Script element")); - error.setLine(node->firstSourceLocation().startLine); - error.setColumn(node->firstSourceLocation().startColumn); - _parser->_errors << error; - } - return false; -} - -} // end of anonymous namespace - - -QDeclarativeScript::Parser::Parser() -: root(0), data(0) -{ - -} - -QDeclarativeScript::Parser::~Parser() -{ - clear(); -} - -namespace QDeclarativeScript { -class ParserJsASTData -{ -public: - ParserJsASTData(const QString &filename) - : filename(filename) {} - - QString filename; - Engine engine; -}; -} - -bool QDeclarativeScript::Parser::parse(const QByteArray &qmldata, const QUrl &url, - const QString &urlString) -{ - clear(); - - if (urlString.isEmpty()) { - _scriptFile = url.toString(); - } else { - // Q_ASSERT(urlString == url.toString()); - _scriptFile = urlString; - } - - QTextStream stream(qmldata, QIODevice::ReadOnly); -#ifndef QT_NO_TEXTCODEC - stream.setCodec("UTF-8"); -#endif - QString *code = _pool.NewString(stream.readAll()); - - data = new QDeclarativeScript::ParserJsASTData(_scriptFile); - - Lexer lexer(&data->engine); - lexer.setCode(*code, /*line = */ 1); - - QDeclarativeJS::Parser parser(&data->engine); - - if (! parser.parse() || !_errors.isEmpty()) { - - // Extract errors from the parser - foreach (const DiagnosticMessage &m, parser.diagnosticMessages()) { - - if (m.isWarning()) - continue; - - QDeclarativeError error; - error.setUrl(url); - error.setDescription(m.message); - error.setLine(m.loc.startLine); - error.setColumn(m.loc.startColumn); - _errors << error; - - } - } - - if (_errors.isEmpty()) { - ProcessAST process(this); - process(*code, parser.ast()); - - // Set the url for process errors - for(int ii = 0; ii < _errors.count(); ++ii) - _errors[ii].setUrl(url); - } - - return _errors.isEmpty(); -} - -QList<QDeclarativeScript::TypeReference*> QDeclarativeScript::Parser::referencedTypes() const -{ - return _refTypes; -} - -QDeclarativeScript::Object *QDeclarativeScript::Parser::tree() const -{ - return root; -} - -QList<QDeclarativeScript::Import> QDeclarativeScript::Parser::imports() const -{ - return _imports; -} - -QList<QDeclarativeError> QDeclarativeScript::Parser::errors() const -{ - return _errors; -} - -static void replaceWithSpace(QString &str, int idx, int n) -{ - QChar *data = str.data() + idx; - const QChar space(QLatin1Char(' ')); - for (int ii = 0; ii < n; ++ii) - *data++ = space; -} - -static QDeclarativeScript::LocationSpan -locationFromLexer(const QDeclarativeJS::Lexer &lex, int startLine, int startColumn, int startOffset) -{ - QDeclarativeScript::LocationSpan l; - - l.start.line = startLine; l.start.column = startColumn; - l.end.line = lex.tokenEndLine(); l.end.column = lex.tokenEndColumn(); - l.range.offset = startOffset; - l.range.length = lex.tokenOffset() + lex.tokenLength() - startOffset; - - return l; -} - -/* -Searches for ".pragma <value>" declarations within \a script. Currently supported pragmas -are: - library -*/ -QDeclarativeScript::Object::ScriptBlock::Pragmas QDeclarativeScript::Parser::extractPragmas(QString &script) -{ - QDeclarativeScript::Object::ScriptBlock::Pragmas rv = QDeclarativeScript::Object::ScriptBlock::None; - - const QString pragma(QLatin1String("pragma")); - const QString library(QLatin1String("library")); - - QDeclarativeJS::Lexer l(0); - l.setCode(script, 0); - - int token = l.lex(); - - while (true) { - if (token != QDeclarativeJSGrammar::T_DOT) - return rv; - - int startOffset = l.tokenOffset(); - int startLine = l.tokenStartLine(); - - token = l.lex(); - - if (token != QDeclarativeJSGrammar::T_IDENTIFIER || - l.tokenStartLine() != startLine || - script.mid(l.tokenOffset(), l.tokenLength()) != pragma) - return rv; - - token = l.lex(); - - if (token != QDeclarativeJSGrammar::T_IDENTIFIER || - l.tokenStartLine() != startLine) - return rv; - - QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength()); - int endOffset = l.tokenLength() + l.tokenOffset(); - - token = l.lex(); - if (l.tokenStartLine() == startLine) - return rv; - - if (pragmaValue == library) { - rv |= QDeclarativeScript::Object::ScriptBlock::Shared; - replaceWithSpace(script, startOffset, endOffset - startOffset); - } else { - return rv; - } - } - return rv; -} - -#define CHECK_LINE if (l.tokenStartLine() != startLine) return rv; -#define CHECK_TOKEN(t) if (token != QDeclarativeJSGrammar:: t) return rv; - -static const int uriTokens[] = { - QDeclarativeJSGrammar::T_IDENTIFIER, - QDeclarativeJSGrammar::T_PROPERTY, - QDeclarativeJSGrammar::T_SIGNAL, - QDeclarativeJSGrammar::T_READONLY, - QDeclarativeJSGrammar::T_ON, - QDeclarativeJSGrammar::T_BREAK, - QDeclarativeJSGrammar::T_CASE, - QDeclarativeJSGrammar::T_CATCH, - QDeclarativeJSGrammar::T_CONTINUE, - QDeclarativeJSGrammar::T_DEFAULT, - QDeclarativeJSGrammar::T_DELETE, - QDeclarativeJSGrammar::T_DO, - QDeclarativeJSGrammar::T_ELSE, - QDeclarativeJSGrammar::T_FALSE, - QDeclarativeJSGrammar::T_FINALLY, - QDeclarativeJSGrammar::T_FOR, - QDeclarativeJSGrammar::T_FUNCTION, - QDeclarativeJSGrammar::T_IF, - QDeclarativeJSGrammar::T_IN, - QDeclarativeJSGrammar::T_INSTANCEOF, - QDeclarativeJSGrammar::T_NEW, - QDeclarativeJSGrammar::T_NULL, - QDeclarativeJSGrammar::T_RETURN, - QDeclarativeJSGrammar::T_SWITCH, - QDeclarativeJSGrammar::T_THIS, - QDeclarativeJSGrammar::T_THROW, - QDeclarativeJSGrammar::T_TRUE, - QDeclarativeJSGrammar::T_TRY, - QDeclarativeJSGrammar::T_TYPEOF, - QDeclarativeJSGrammar::T_VAR, - QDeclarativeJSGrammar::T_VOID, - QDeclarativeJSGrammar::T_WHILE, - QDeclarativeJSGrammar::T_CONST, - QDeclarativeJSGrammar::T_DEBUGGER, - QDeclarativeJSGrammar::T_RESERVED_WORD, - QDeclarativeJSGrammar::T_WITH, - - QDeclarativeJSGrammar::EOF_SYMBOL -}; -static inline bool isUriToken(int token) -{ - const int *current = uriTokens; - while (*current != QDeclarativeJSGrammar::EOF_SYMBOL) { - if (*current == token) - return true; - ++current; - } - return false; -} - -QDeclarativeScript::Parser::JavaScriptMetaData QDeclarativeScript::Parser::extractMetaData(QString &script) -{ - JavaScriptMetaData rv; - - QDeclarativeScript::Object::ScriptBlock::Pragmas &pragmas = rv.pragmas; - - const QString pragma(QLatin1String("pragma")); - const QString js(QLatin1String(".js")); - const QString library(QLatin1String("library")); - - QDeclarativeJS::Lexer l(0); - l.setCode(script, 0); - - int token = l.lex(); - - while (true) { - if (token != QDeclarativeJSGrammar::T_DOT) - return rv; - - int startOffset = l.tokenOffset(); - int startLine = l.tokenStartLine(); - int startColumn = l.tokenStartColumn(); - - token = l.lex(); - - CHECK_LINE; - - if (token == QDeclarativeJSGrammar::T_IMPORT) { - - // .import <URI> <Version> as <Identifier> - // .import <file.js> as <Identifier> - - token = l.lex(); - - CHECK_LINE; - - if (token == QDeclarativeJSGrammar::T_STRING_LITERAL) { - - QString file = l.tokenText(); - - if (!file.endsWith(js)) - return rv; - - token = l.lex(); - - CHECK_TOKEN(T_AS); - CHECK_LINE; - - token = l.lex(); - - CHECK_TOKEN(T_IDENTIFIER); - CHECK_LINE; - - int endOffset = l.tokenLength() + l.tokenOffset(); - - QString importId = script.mid(l.tokenOffset(), l.tokenLength()); - - if (!importId.at(0).isUpper()) - return rv; - - QDeclarativeScript::LocationSpan location = - locationFromLexer(l, startLine, startColumn, startOffset); - - token = l.lex(); - if (l.tokenStartLine() == startLine) - return rv; - - replaceWithSpace(script, startOffset, endOffset - startOffset); - - Import import; - import.type = Import::Script; - import.uri = file; - import.qualifier = importId; - import.location = location; - - rv.imports << import; - } else { - // URI - QString uri; - QString version; - - while (true) { - if (!isUriToken(token)) - return rv; - - uri.append(l.tokenText()); - - token = l.lex(); - CHECK_LINE; - if (token != QDeclarativeJSGrammar::T_DOT) - break; - - uri.append(QLatin1Char('.')); - - token = l.lex(); - CHECK_LINE; - } - - CHECK_TOKEN(T_NUMERIC_LITERAL); - version = script.mid(l.tokenOffset(), l.tokenLength()); - - token = l.lex(); - - CHECK_TOKEN(T_AS); - CHECK_LINE; - - token = l.lex(); - - CHECK_TOKEN(T_IDENTIFIER); - CHECK_LINE; - - int endOffset = l.tokenLength() + l.tokenOffset(); - - QString importId = script.mid(l.tokenOffset(), l.tokenLength()); - - if (!importId.at(0).isUpper()) - return rv; - - QDeclarativeScript::LocationSpan location = - locationFromLexer(l, startLine, startColumn, startOffset); - - token = l.lex(); - if (l.tokenStartLine() == startLine) - return rv; - - replaceWithSpace(script, startOffset, endOffset - startOffset); - - Import import; - import.type = Import::Library; - import.uri = uri; - import.version = version; - import.qualifier = importId; - import.location = location; - - rv.imports << import; - } - - } else if (token == QDeclarativeJSGrammar::T_IDENTIFIER && - script.mid(l.tokenOffset(), l.tokenLength()) == pragma) { - - token = l.lex(); - - CHECK_TOKEN(T_IDENTIFIER); - CHECK_LINE; - - QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength()); - int endOffset = l.tokenLength() + l.tokenOffset(); - - if (pragmaValue == library) { - pragmas |= QDeclarativeScript::Object::ScriptBlock::Shared; - replaceWithSpace(script, startOffset, endOffset - startOffset); - } else { - return rv; - } - - token = l.lex(); - if (l.tokenStartLine() == startLine) - return rv; - - } else { - return rv; - } - } - return rv; -} - -void QDeclarativeScript::Parser::clear() -{ - _imports.clear(); - qDeleteAll(_refTypes); - _refTypes.clear(); - _errors.clear(); - - if (data) { - delete data; - data = 0; - } - - _pool.clear(); -} - -QDeclarativeScript::TypeReference *QDeclarativeScript::Parser::findOrCreateType(const QString &name) -{ - TypeReference *type = 0; - int i = 0; - for (; i < _refTypes.size(); ++i) { - if (_refTypes.at(i)->name == name) { - type = _refTypes.at(i); - break; - } - } - if (!type) { - type = new TypeReference(i, name); - _refTypes.append(type); - } - - return type; -} - -void QDeclarativeScript::Parser::setTree(QDeclarativeScript::Object *tree) -{ - Q_ASSERT(! root); - - root = tree; -} - -QT_END_NAMESPACE |