view generator/parser/codemodel_finder.cpp @ 1:e78566595089

initial import
author mandel
date Mon, 11 May 2009 16:01:50 +0000
parents
children 09a0f1d048f2
line wrap: on
line source

/****************************************************************************
**
** Copyright (C) 1992-2008 Nokia. All rights reserved.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of Qt Jambi.
**
** * 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 General Public License Usage
* Alternatively, this file may be used under the terms of the GNU
* General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
* http://www.fsf.org/licensing/licenses/info/GPLv2.html and
* http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
* exception, Nokia gives you certain additional rights. These rights
* are described in the Nokia Qt GPL Exception version 1.2, included in
* the file GPL_EXCEPTION.txt in this package.
* 
* Qt for Windows(R) Licensees
* As a special exception, Nokia, as the sole copyright holder for Qt
* Designer, grants users of the Qt/Eclipse Integration plug-in the
* right for the Qt/Eclipse Integration to link to functionality
* provided by Qt Designer and its related libraries.
*
*
* If you are unsure which license is appropriate for your use, please
* contact the sales department at qt-sales@nokia.com.

**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/


#include "codemodel_finder.h"
#include "codemodel.h"
#include "binder.h"

CodeModelFinder::CodeModelFinder(CodeModel *model, Binder *binder)
  : _M_model(model),
    _M_binder (binder),
    _M_token_stream(binder->tokenStream ()),
    name_cc(_M_binder),
    _M_resolve_policy(ResolveItem)
{
}

CodeModelFinder::~CodeModelFinder()
{
}

ScopeModelItem CodeModelFinder::resolveScope(NameAST *name, ScopeModelItem scope)
{
  Q_ASSERT(scope != 0);

  ResolvePolicy saved_resolve_policy = _M_resolve_policy;
  _M_resolve_policy = ResolveScope;

  ScopeModelItem old = changeCurrentScope(scope);

  visit(name);
  ScopeModelItem result = _M_current_scope;

  changeCurrentScope(old); // restore

  _M_resolve_policy = saved_resolve_policy;

  return result;
}

ScopeModelItem CodeModelFinder::changeCurrentScope(ScopeModelItem scope)
{
  ScopeModelItem old = _M_current_scope;
  _M_current_scope = scope;
  return old;
}

void CodeModelFinder::visitName(NameAST *node)
{
  visitNodes(this, node->qualified_names);

  if (_M_resolve_policy == ResolveItem)
    visit(node->unqualified_name);
}

void CodeModelFinder::visitUnqualifiedName(UnqualifiedNameAST *node)
{
  if (!_M_current_scope)
    {
      // nothing to do
      return;
    }

  name_cc.run(node);
  QString id = name_cc.name();

  if (ClassModelItem klass = _M_current_scope->findClass(id))
    {
      _M_current_scope = klass;
    }
  else if (NamespaceModelItem parentNamespace = model_safe_cast<NamespaceModelItem>(_M_current_scope))
    {
      NamespaceModelItem ns = parentNamespace->findNamespace(id);
      _M_current_scope = model_static_cast<ScopeModelItem>(ns);
    }
  else if (FileModelItem file = model_safe_cast<FileModelItem>(_M_current_scope))
    {
      NamespaceModelItem ns = file->findNamespace(id);
      _M_current_scope = model_static_cast<ScopeModelItem>(ns);
    }
  }

// kate: space-indent on; indent-width 2; replace-tabs on;