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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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://www.qt.io/licensing. For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** 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 "qmljsscopeastpath.h"
#include "parser/qmljsast_p.h"
using namespace QmlJS;
using namespace AST;
ScopeAstPath::ScopeAstPath(Document::Ptr doc)
: _doc(doc)
{
}
QList<Node *> ScopeAstPath::operator()(quint32 offset)
{
_result.clear();
_offset = offset;
if (_doc)
accept(_doc->ast());
return _result;
}
void ScopeAstPath::accept(Node *node)
{
Node::accept(node, this);
}
bool ScopeAstPath::preVisit(Node *node)
{
if (Statement *stmt = node->statementCast())
return containsOffset(stmt->firstSourceLocation(), stmt->lastSourceLocation());
else if (ExpressionNode *exp = node->expressionCast())
return containsOffset(exp->firstSourceLocation(), exp->lastSourceLocation());
else if (UiObjectMember *ui = node->uiObjectMemberCast())
return containsOffset(ui->firstSourceLocation(), ui->lastSourceLocation());
return true;
}
bool ScopeAstPath::visit(UiPublicMember *node)
{
if (node && node->statement && node->statement->kind == node->Kind_Block
&& containsOffset(node->statement->firstSourceLocation(),
node->statement->lastSourceLocation())) {
_result.append(node);
accept(node->statement);
return false;
}
return true;
}
bool ScopeAstPath::visit(UiScriptBinding *node)
{
if (node && node->statement && node->statement->kind == node->Kind_Block
&& containsOffset(node->statement->firstSourceLocation(),
node->statement->lastSourceLocation()))
{
_result.append(node);
accept(node->statement);
return false;
}
return true;
}
bool ScopeAstPath::visit(UiObjectDefinition *node)
{
_result.append(node);
accept(node->initializer);
return false;
}
bool ScopeAstPath::visit(UiObjectBinding *node)
{
_result.append(node);
accept(node->initializer);
return false;
}
bool ScopeAstPath::visit(FunctionDeclaration *node)
{
return visit(static_cast<FunctionExpression *>(node));
}
bool ScopeAstPath::visit(FunctionExpression *node)
{
accept(node->formals);
_result.append(node);
accept(node->body);
return false;
}
bool ScopeAstPath::containsOffset(SourceLocation start, SourceLocation end)
{
return _offset >= start.begin() && _offset <= end.end();
}
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