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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit885735d011472bcfbb96e688d9e64553d7fe9d4b (patch)
tree734963625eba643bf11bc4870a4c407809a6400a /src/declarative/qml/qdeclarativescriptparser.cpp
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
Diffstat (limited to 'src/declarative/qml/qdeclarativescriptparser.cpp')
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diff --git a/src/declarative/qml/qdeclarativescriptparser.cpp b/src/declarative/qml/qdeclarativescriptparser.cpp
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+++ b/src/declarative/qml/qdeclarativescriptparser.cpp
@@ -0,0 +1,1206 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "private/qdeclarativescriptparser_p.h"
+
+#include "private/qdeclarativeparser_p.h"
+#include "parser/qdeclarativejsengine_p.h"
+#include "parser/qdeclarativejsparser_p.h"
+#include "parser/qdeclarativejslexer_p.h"
+#include "parser/qdeclarativejsnodepool_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 QDeclarativeParser;
+
+namespace {
+
+class ProcessAST: protected AST::Visitor
+{
+ struct State {
+ State() : object(0), property(0) {}
+ State(QDeclarativeParser::Object *o) : object(o), property(0) {}
+ State(QDeclarativeParser::Object *o, Property *p) : object(o), property(p) {}
+
+ QDeclarativeParser::Object *object;
+ Property *property;
+ };
+
+ struct StateStack : public QStack<State>
+ {
+ void pushObject(QDeclarativeParser::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.toUtf8()));
+ s.property->location = location;
+ push(s);
+ } else {
+ State s(state.object,
+ state.object->getProperty(name.toUtf8()));
+
+ s.property->location = location;
+ push(s);
+ }
+ }
+ };
+
+public:
+ ProcessAST(QDeclarativeScriptParser *parser);
+ virtual ~ProcessAST();
+
+ void operator()(const QString &code, AST::Node *node);
+
+protected:
+
+ QDeclarativeParser::Object *defineObjectBinding(AST::UiQualifiedId *propertyName, bool onAssignment,
+ const QString &objectType,
+ AST::SourceLocation typeLocation,
+ LocationSpan location,
+ AST::UiObjectInitializer *initializer = 0);
+
+ QDeclarativeParser::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;
+ QDeclarativeParser::Object *currentObject() const;
+ Property *currentProperty() const;
+
+ QString qualifiedNameId() const;
+
+ QString textAt(const AST::SourceLocation &loc) const
+ { return _contents.mid(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); }
+
+ QString asString(AST::ExpressionNode *expr)
+ {
+ if (! expr)
+ return QString();
+
+ return textAt(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;
+ }
+
+private:
+ QDeclarativeScriptParser *_parser;
+ StateStack _stateStack;
+ QStringList _scope;
+ QString _contents;
+};
+
+ProcessAST::ProcessAST(QDeclarativeScriptParser *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();
+}
+
+QDeclarativeParser::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->asString());
+
+ if (it->next)
+ s.append(QLatin1Char('.'));
+ }
+
+ return s;
+}
+
+QDeclarativeParser::Object *
+ProcessAST::defineObjectBinding(AST::UiQualifiedId *propertyName,
+ bool onAssignment,
+ const QString &objectType,
+ AST::SourceLocation typeLocation,
+ LocationSpan location,
+ AST::UiObjectInitializer *initializer)
+{
+ int lastTypeDot = objectType.lastIndexOf(QLatin1Char('.'));
+ bool isType = !objectType.isEmpty() &&
+ (objectType.at(0).isUpper() ||
+ (lastTypeDot >= 0 && objectType.at(lastTypeDot+1).isUpper()));
+
+ int propertyCount = 0;
+ for (AST::UiQualifiedId *name = propertyName; name; name = name->next){
+ ++propertyCount;
+ _stateStack.pushProperty(name->name->asString(),
+ this->location(name));
+ }
+
+ if (!onAssignment && propertyCount && currentProperty() && currentProperty()->values.count()) {
+ 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) {
+
+ if(propertyCount || !currentObject()) {
+ QDeclarativeError error;
+ error.setDescription(QCoreApplication::translate("QDeclarativeParser","Expected type name"));
+ error.setLine(typeLocation.startLine);
+ error.setColumn(typeLocation.startColumn);
+ _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('/'));
+
+ QDeclarativeParser::Object *obj = new QDeclarativeParser::Object;
+
+ QDeclarativeScriptParser::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().toUtf8();
+ _scope.removeLast();
+
+ obj->location = location;
+
+ if (propertyCount) {
+ Property *prop = currentProperty();
+ QDeclarativeParser::Value *v = new QDeclarativeParser::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();
+ QDeclarativeParser::Value *v = new QDeclarativeParser::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;
+ QDeclarativeScriptParser::Import import;
+
+ if (node->fileName) {
+ uri = node->fileName->asString();
+
+ if (uri.endsWith(QLatin1String(".js"))) {
+ import.type = QDeclarativeScriptParser::Import::Script;
+ } else {
+ import.type = QDeclarativeScriptParser::Import::File;
+ }
+ } else {
+ import.type = QDeclarativeScriptParser::Import::Library;
+ uri = asString(node->importUri);
+ }
+
+ AST::SourceLocation startLoc = node->importToken;
+ AST::SourceLocation endLoc = node->semicolonToken;
+
+ // Qualifier
+ if (node->importId) {
+ import.qualifier = node->importId->asString();
+ 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 == QDeclarativeScriptParser::Import::Script;
+ for (int ii = 0; ii < _parser->_imports.count(); ++ii) {
+ const QDeclarativeScriptParser::Import &other = _parser->_imports.at(ii);
+ bool otherIsScript = other.type == QDeclarativeScriptParser::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 == QDeclarativeScriptParser::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 == QDeclarativeScriptParser::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)
+{
+ const struct TypeNameToType {
+ const char *name;
+ Object::DynamicProperty::Type type;
+ const char *qtName;
+ } propTypeNameToTypes[] = {
+ { "int", Object::DynamicProperty::Int, "int" },
+ { "bool", Object::DynamicProperty::Bool, "bool" },
+ { "double", Object::DynamicProperty::Real, "double" },
+ { "real", Object::DynamicProperty::Real, "qreal" },
+ { "string", Object::DynamicProperty::String, "QString" },
+ { "url", Object::DynamicProperty::Url, "QUrl" },
+ { "color", Object::DynamicProperty::Color, "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", Object::DynamicProperty::Time, "QTime" },
+ // { "date", Object::DynamicProperty::Date, "QDate" },
+ { "date", Object::DynamicProperty::DateTime, "QDateTime" },
+ { "variant", Object::DynamicProperty::Variant, "QVariant" }
+ };
+ const int propTypeNameToTypesCount = sizeof(propTypeNameToTypes) /
+ sizeof(propTypeNameToTypes[0]);
+
+ if(node->type == AST::UiPublicMember::Signal) {
+ const QString name = node->name->asString();
+
+ Object::DynamicSignal signal;
+ signal.name = name.toUtf8();
+
+ AST::UiParameterList *p = node->parameters;
+ while (p) {
+ const QString memberType = p->type->asString();
+ const char *qtType = 0;
+ for(int ii = 0; !qtType && ii < propTypeNameToTypesCount; ++ii) {
+ if(QLatin1String(propTypeNameToTypes[ii].name) == memberType)
+ qtType = propTypeNameToTypes[ii].qtName;
+ }
+
+ if (!qtType) {
+ 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 << qtType;
+ signal.parameterNames << p->name->asString().toUtf8();
+ p = p->finish();
+ }
+
+ _stateStack.top().object->dynamicSignals << signal;
+ } else {
+ const QString memberType = node->memberType->asString();
+ const QString name = node->name->asString();
+
+ bool typeFound = false;
+ Object::DynamicProperty::Type type;
+
+ if (memberType == QLatin1String("alias")) {
+ type = Object::DynamicProperty::Alias;
+ typeFound = true;
+ }
+
+ for(int ii = 0; !typeFound && ii < propTypeNameToTypesCount; ++ii) {
+ if(QLatin1String(propTypeNameToTypes[ii].name) == memberType) {
+ type = propTypeNameToTypes[ii].type;
+ typeFound = true;
+ }
+ }
+
+ if (!typeFound && memberType.at(0).isUpper()) {
+ QString typemodifier;
+ if(node->typeModifier)
+ typemodifier = node->typeModifier->asString();
+ if (typemodifier.isEmpty()) {
+ type = Object::DynamicProperty::Custom;
+ } else if(typemodifier == QLatin1String("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) {
+ 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;
+ }
+
+ if (node->isReadonlyMember) {
+ QDeclarativeError error;
+ error.setDescription(QCoreApplication::translate("QDeclarativeParser","Readonly not yet supported"));
+ error.setLine(node->readonlyToken.startLine);
+ error.setColumn(node->readonlyToken.startColumn);
+ _parser->_errors << error;
+ return false;
+
+ }
+ Object::DynamicProperty property;
+ property.isDefaultProperty = node->isDefaultMember;
+ property.type = type;
+ if (type >= Object::DynamicProperty::Custom) {
+ QDeclarativeScriptParser::TypeReference *typeRef =
+ _parser->findOrCreateType(memberType);
+ typeRef->refObjects.append(_stateStack.top().object);
+ }
+ property.customType = memberType.toUtf8();
+ property.name = name.toUtf8();
+ property.location = location(node->firstSourceLocation(),
+ node->lastSourceLocation());
+
+ if (node->expression) { // default value
+ property.defaultValue = new Property;
+ property.defaultValue->parent = _stateStack.top().object;
+ property.defaultValue->location =
+ location(node->expression->firstSourceLocation(),
+ node->expression->lastSourceLocation());
+ QDeclarativeParser::Value *value = new QDeclarativeParser::Value;
+ value->location = location(node->expression->firstSourceLocation(),
+ node->expression->lastSourceLocation());
+ value->value = getVariant(node->expression);
+ property.defaultValue->values << value;
+ }
+
+ _stateStack.top().object->dynamicProperties << 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;
+}
+
+QDeclarativeParser::Variant ProcessAST::getVariant(AST::ExpressionNode *expr)
+{
+ if (AST::StringLiteral *lit = AST::cast<AST::StringLiteral *>(expr)) {
+ return QDeclarativeParser::Variant(lit->value->asString());
+ } else if (expr->kind == AST::Node::Kind_TrueLiteral) {
+ return QDeclarativeParser::Variant(true);
+ } else if (expr->kind == AST::Node::Kind_FalseLiteral) {
+ return QDeclarativeParser::Variant(false);
+ } else if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(expr)) {
+ return QDeclarativeParser::Variant(lit->value, asString(expr));
+ } else {
+
+ if (AST::UnaryMinusExpression *unaryMinus = AST::cast<AST::UnaryMinusExpression *>(expr)) {
+ if (AST::NumericLiteral *lit = AST::cast<AST::NumericLiteral *>(unaryMinus->expression)) {
+ return QDeclarativeParser::Variant(-lit->value, asString(expr));
+ }
+ }
+
+ return QDeclarativeParser::Variant(asString(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->asString(),
+ location(name));
+ }
+
+ Property *prop = currentProperty();
+
+ if (prop->values.count()) {
+ 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;
+ }
+
+ QDeclarativeParser::Variant primitive;
+
+ if (AST::ExpressionStatement *stmt = AST::cast<AST::ExpressionStatement *>(node->statement)) {
+ primitive = getVariant(stmt->expression);
+ } else { // do binding
+ primitive = QDeclarativeParser::Variant(asString(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;
+ QDeclarativeParser::Value *v = new QDeclarativeParser::Value;
+ v->value = primitive;
+ v->location = location(node->statement->firstSourceLocation(),
+ node->statement->lastSourceLocation());
+
+ prop->addValue(v);
+
+ while (propertyCount--)
+ _stateStack.pop();
+
+ return true;
+}
+
+static QList<int> collectCommas(AST::UiArrayMemberList *members)
+{
+ QList<int> commas;
+
+ if (members) {
+ for (AST::UiArrayMemberList *it = members->next; it; it = it->next) {
+ commas.append(it->commaToken.offset);
+ }
+ }
+
+ return commas;
+}
+
+// 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->asString(),
+ location(name));
+ }
+
+ Property* prop = currentProperty();
+
+ if (prop->values.count()) {
+ 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;
+ }
+
+ 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;
+
+ // Store the positions of the comma token too, again for the DOM to be able to retrieve it.
+ prop->listCommaPositions = collectCommas(node->members);
+
+ while (propertyCount--)
+ _stateStack.pop();
+
+ return false;
+}
+
+bool ProcessAST::visit(AST::UiSourceElement *node)
+{
+ QDeclarativeParser::Object *obj = currentObject();
+
+ if (AST::FunctionDeclaration *funDecl = AST::cast<AST::FunctionDeclaration *>(node->sourceElement)) {
+
+ Object::DynamicSlot slot;
+ slot.location = location(funDecl->firstSourceLocation(), funDecl->lastSourceLocation());
+
+ AST::FormalParameterList *f = funDecl->formals;
+ while (f) {
+ slot.parameterNames << f->name->asString().toUtf8();
+ f = f->finish();
+ }
+
+ AST::SourceLocation loc = funDecl->rparenToken;
+ loc.offset = loc.end();
+ loc.startColumn += 1;
+ QString body = textAt(loc, funDecl->rbraceToken);
+ slot.name = funDecl->name->asString().toUtf8();
+ slot.body = body;
+ obj->dynamicSlots << 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
+
+
+QDeclarativeScriptParser::QDeclarativeScriptParser()
+: root(0), data(0)
+{
+
+}
+
+QDeclarativeScriptParser::~QDeclarativeScriptParser()
+{
+ clear();
+}
+
+class QDeclarativeScriptParserJsASTData
+{
+public:
+ QDeclarativeScriptParserJsASTData(const QString &filename)
+ : nodePool(filename, &engine) {}
+
+ Engine engine;
+ NodePool nodePool;
+};
+
+bool QDeclarativeScriptParser::parse(const QByteArray &qmldata, const QUrl &url)
+{
+ clear();
+
+ const QString fileName = url.toString();
+ _scriptFile = fileName;
+
+ QTextStream stream(qmldata, QIODevice::ReadOnly);
+#ifndef QT_NO_TEXTCODEC
+ stream.setCodec("UTF-8");
+#endif
+ const QString code = stream.readAll();
+
+ data = new QDeclarativeScriptParserJsASTData(fileName);
+
+ Lexer lexer(&data->engine);
+ lexer.setCode(code, /*line = */ 1);
+
+ 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<QDeclarativeScriptParser::TypeReference*> QDeclarativeScriptParser::referencedTypes() const
+{
+ return _refTypes;
+}
+
+QDeclarativeParser::Object *QDeclarativeScriptParser::tree() const
+{
+ return root;
+}
+
+QList<QDeclarativeScriptParser::Import> QDeclarativeScriptParser::imports() const
+{
+ return _imports;
+}
+
+QList<QDeclarativeError> QDeclarativeScriptParser::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;
+}
+
+/*
+Searches for ".pragma <value>" declarations within \a script. Currently supported pragmas
+are:
+ library
+*/
+QDeclarativeParser::Object::ScriptBlock::Pragmas QDeclarativeScriptParser::extractPragmas(QString &script)
+{
+ QDeclarativeParser::Object::ScriptBlock::Pragmas rv = QDeclarativeParser::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.currentLineNo();
+
+ token = l.lex();
+
+ if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
+ l.currentLineNo() != startLine ||
+ script.mid(l.tokenOffset(), l.tokenLength()) != pragma)
+ return rv;
+
+ token = l.lex();
+
+ if (token != QDeclarativeJSGrammar::T_IDENTIFIER ||
+ l.currentLineNo() != startLine)
+ return rv;
+
+ QString pragmaValue = script.mid(l.tokenOffset(), l.tokenLength());
+ int endOffset = l.tokenLength() + l.tokenOffset();
+
+ token = l.lex();
+ if (l.currentLineNo() == startLine)
+ return rv;
+
+ if (pragmaValue == library) {
+ rv |= QDeclarativeParser::Object::ScriptBlock::Shared;
+ replaceWithSpace(script, startOffset, endOffset - startOffset);
+ } else {
+ return rv;
+ }
+ }
+ return rv;
+}
+
+#define CHECK_LINE if(l.currentLineNo() != 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;
+}
+
+QDeclarativeScriptParser::JavaScriptMetaData QDeclarativeScriptParser::extractMetaData(QString &script)
+{
+ JavaScriptMetaData rv;
+
+ QDeclarativeParser::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.currentLineNo();
+
+ 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.characterBuffer(), l.characterCount());
+ 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;
+
+ token = l.lex();
+ if (l.currentLineNo() == startLine)
+ return rv;
+
+ replaceWithSpace(script, startOffset, endOffset - startOffset);
+
+ Import import;
+ import.type = Import::Script;
+ import.uri = file;
+ import.qualifier = importId;
+
+ rv.imports << import;
+
+ } else {
+ // URI
+ QString uri;
+ QString version;
+
+ while (true) {
+ if (!isUriToken(token))
+ return rv;
+
+ uri.append(QString(l.characterBuffer(), l.characterCount()));
+
+ 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;
+
+ token = l.lex();
+ if (l.currentLineNo() == startLine)
+ return rv;
+
+ replaceWithSpace(script, startOffset, endOffset - startOffset);
+
+ Import import;
+ import.type = Import::Library;
+ import.uri = uri;
+ import.version = version;
+ import.qualifier = importId;
+
+ 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 == QLatin1String("library")) {
+ pragmas |= QDeclarativeParser::Object::ScriptBlock::Shared;
+ replaceWithSpace(script, startOffset, endOffset - startOffset);
+ } else {
+ return rv;
+ }
+
+ token = l.lex();
+ if (l.currentLineNo() == startLine)
+ return rv;
+
+ } else {
+ return rv;
+ }
+ }
+ return rv;
+}
+
+void QDeclarativeScriptParser::clear()
+{
+ if (root) {
+ root->release();
+ root = 0;
+ }
+ _imports.clear();
+ qDeleteAll(_refTypes);
+ _refTypes.clear();
+ _errors.clear();
+
+ if (data) {
+ delete data;
+ data = 0;
+ }
+}
+
+QDeclarativeScriptParser::TypeReference *QDeclarativeScriptParser::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 QDeclarativeScriptParser::setTree(QDeclarativeParser::Object *tree)
+{
+ Q_ASSERT(! root);
+
+ root = tree;
+}
+
+QT_END_NAMESPACE