Files
qt-creator/src/libs/qmljs/qmljsidcollector.cpp
2010-01-18 16:59:20 +01:00

122 lines
3.6 KiB
C++

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include <QDebug>
#include <qmljs/parser/qmljsast_p.h>
#include "qmljsidcollector.h"
using namespace QmlJS;
using namespace QmlJS::AST;
using namespace QmlJS;
using namespace QmlJS::Internal;
QMap<QString, IdSymbol*> IdCollector::operator()(QmlJS::Document &doc)
{
_doc = &doc;
_ids.clear();
_currentSymbol = 0;
Node::accept(doc.qmlProgram(), this);
return _ids;
}
bool IdCollector::visit(UiArrayBinding *ast)
{
SymbolFromFile *oldSymbol = switchSymbol(ast);
Node::accept(ast->members, this);
_currentSymbol = oldSymbol;
return false;
}
bool IdCollector::visit(QmlJS::AST::UiObjectBinding *ast)
{
SymbolFromFile *oldSymbol = switchSymbol(ast);
Node::accept(ast->initializer, this);
_currentSymbol = oldSymbol;
return false;
}
bool IdCollector::visit(QmlJS::AST::UiObjectDefinition *ast)
{
SymbolFromFile *oldSymbol = switchSymbol(ast);
Node::accept(ast->initializer, this);
_currentSymbol = oldSymbol;
return false;
}
bool IdCollector::visit(QmlJS::AST::UiScriptBinding *ast)
{
if (!(ast->qualifiedId->next) && ast->qualifiedId->name->asString() == "id")
if (ExpressionStatement *e = cast<ExpressionStatement*>(ast->statement))
if (IdentifierExpression *i = cast<IdentifierExpression*>(e->expression))
if (i->name)
addId(i->name->asString(), ast);
return false;
}
SymbolFromFile *IdCollector::switchSymbol(QmlJS::AST::UiObjectMember *node)
{
SymbolFromFile *newSymbol = 0;
if (_currentSymbol == 0) {
newSymbol = _doc->findSymbol(node);
} else {
newSymbol = _currentSymbol->findMember(node);
}
SymbolFromFile *oldSymbol = _currentSymbol;
if (newSymbol) {
_currentSymbol = newSymbol;
} else {
QString filename = _doc->fileName();
qWarning() << "Scope without symbol @"<<filename<<":"<<node->firstSourceLocation().startLine<<":"<<node->firstSourceLocation().startColumn;
}
return oldSymbol;
}
void IdCollector::addId(const QString &id, QmlJS::AST::UiScriptBinding *ast)
{
if (!_currentSymbol)
return;
if (_ids.contains(id)) {
_diagnosticMessages.append(DiagnosticMessage(DiagnosticMessage::Warning, ast->statement->firstSourceLocation(), "Duplicate ID"));
} else {
if (SymbolFromFile *symbol = _currentSymbol->findMember(ast))
if (IdSymbol *idSymbol = symbol->asIdSymbol())
_ids[id] = idSymbol;
}
}