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/**************************************************************************
**
** Copyright (C) 2013 Kläralvdalens Datakonsult AB, a KDAB Group company.
** Contact: Kläralvdalens Datakonsult AB (info@kdab.com)
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "cppfunction.h"
#include <cplusplus/Symbol.h>
#include <cpptools/cppmodelmanagerinterface.h>
#include <cplusplus/Overview.h>
#include "cppargument.h"
namespace Scripting {
namespace Internal {
CppFunction::CppFunction()
{
}
CppFunction *CppFunction::create(int line, int column, const QString &fileName)
{
const CPlusPlus::Function* fun = function(line, column, fileName );
if (!fun)
return 0;
// The fun object might be destructed at any time, so we need to collect all the information.
CppFunction* result = new CppFunction; // QtScript takes ownership
result->m_name = extractName(fun);
result->m_returnType = extractReturnType(fun);
result->m_arguments = extractArguments(fun);
result->m_isVirtual = fun->isVirtual();
result->m_isOverride = fun->isOverride();
result->m_isFinal = fun->isFinal();
result->m_isVariadic = fun->isVariadic();
result->m_isConst = fun->isConst();
result->m_isVolatile = fun->isVolatile();
result->m_isPureVirtual = fun->isPureVirtual();
result->m_start = Position(fun->line(),fun->column());
return result;
}
CPlusPlus::Function *CppFunction::function(int line, int column, const QString &fileName)
{
const CPlusPlus::Snapshot snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
const CPlusPlus::Document::Ptr document = snapshot.document(fileName);
if (!document)
return 0;
CPlusPlus::Symbol *symbol = document->lastVisibleSymbolAt(line, column);
if (!symbol)
return 0;
// Find the enclosing function scope (which might be several levels up, or we might be standing on it)
CPlusPlus::Scope *scope;
if (symbol->isScope())
scope = symbol->asScope();
else
scope = symbol->enclosingScope();
while (scope && !scope->isFunction() )
scope = scope->enclosingScope();
if (!scope)
return 0;
return scope->asFunction();
}
QString CppFunction::extractName(const CPlusPlus::Function *function)
{
const CPlusPlus::Overview o;
QString result = o(function->name());
// Prepend namespace "Foo::Foo::foo()" up to empty root namespace
for (const CPlusPlus::Symbol *owner = function->enclosingNamespace();
owner; owner = owner->enclosingNamespace()) {
const QString name = o(owner->name());
if (name.isEmpty()) {
break;
} else {
result.prepend(QLatin1String("::"));
result.prepend(name);
}
}
return result;
}
QString CppFunction::extractReturnType(const CPlusPlus::Function *function)
{
return CPlusPlus::Overview()(function->returnType());
}
QList<CppArgument*> CppFunction::extractArguments(const CPlusPlus::Function *function)
{
QList<CppArgument*> result;
for (unsigned int i=0; i <function->argumentCount(); ++i ) {
result.append(CppArgument::create(function->argumentAt(i)->asArgument()));
}
return result;
}
QString CppFunction::name() const
{
return m_name;
}
QString CppFunction::returnType() const
{
return m_returnType;
}
QList<CppArgument *> CppFunction::arguments() const
{
return m_arguments;
}
bool CppFunction::isVirtual() const
{
return m_isVirtual;
}
bool CppFunction::isOverride() const
{
return m_isOverride;
}
bool CppFunction::isFinal() const
{
return m_isFinal;
}
bool CppFunction::isVariadic() const
{
return m_isVariadic;
}
bool CppFunction::isConst() const
{
return m_isConst;
}
bool CppFunction::isVolatile() const
{
return m_isVolatile;
}
bool CppFunction::isPureVirtual() const
{
return m_isPureVirtual;
}
Position CppFunction::start() const
{
return m_start;
}
} // namespace Internal
} // namespace Scripting
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