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/* This file is part of KDevelop
Copyright 2006 Hamish Rodda <rodda@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "cppeditorintegrator.h"
#include <ktexteditor/document.h>
#include <language/editor/documentrange.h>
#include <language/duchain/indexedstring.h>
#include "ast.h"
#include "parsesession.h"
#include <rpp/chartools.h>
using namespace KDevelop;
CppEditorIntegrator::CppEditorIntegrator( ParseSession* session )
: m_session(session)
{
}
CursorInRevision CppEditorIntegrator::findPosition( std::size_t token, Edge edge ) const
{
if(token == 0) {
kDebug() << "Searching position of invalid token";
return CursorInRevision();
}
const Token& t = m_session->token_stream->token(token);
return findPosition(t, edge);
}
CursorInRevision CppEditorIntegrator::findPosition( const Token & token, Edge edge ) const
{
QPair<rpp::Anchor, uint> a = m_session->positionAndSpaceAt(token.position);
rpp::Anchor position = a.first;
if(edge == BackEdge) {
if(position.collapsed)
return position;
else {
uint length = token.symbolLength();
if(a.second && length > a.second)
length = a.second;
//We have to check the following anchor in the location-table to make sure we don't make the range longer than possible
return position + CursorInRevision(0, length);
}
} else
return position;
}
RangeInRevision CppEditorIntegrator::findRange( AST * node, RangeEdge edge )
{
Q_UNUSED(edge);
return RangeInRevision(findPosition(node->start_token, FrontEdge), findPosition(node->end_token - 1, BackEdge));
}
RangeInRevision CppEditorIntegrator::findRangeForContext( size_t start_token, size_t end_token )
{
if(start_token == 0 || end_token == 0) {
kDebug() << "Searching position of invalid token";
return RangeInRevision();
}
const Token& tStart = m_session->token_stream->token(start_token);
const Token& tEnd = m_session->token_stream->token(end_token-1);
rpp::Anchor start = m_session->positionAt(tStart.position, true);
rpp::Anchor end = m_session->positionAt(tEnd.position, true);
if(!end.collapsed)
end.column += tEnd.symbolLength(); //We want the back edge
if(start.macroExpansion.isValid() && start.macroExpansion == end.macroExpansion)
return RangeInRevision(start.macroExpansion, start.macroExpansion);
else
return RangeInRevision(start, end);
}
RangeInRevision CppEditorIntegrator::findRange( size_t start_token, size_t end_token )
{
return RangeInRevision(findPosition(start_token, FrontEdge), findPosition(end_token - 1, BackEdge));
}
RangeInRevision CppEditorIntegrator::findRange( size_t token )
{
return RangeInRevision(findPosition(token, FrontEdge), findPosition(token, BackEdge));
}
RangeInRevision CppEditorIntegrator::findRange(AST* from, AST* to)
{
return RangeInRevision(findPosition(from->start_token, FrontEdge), findPosition(to->end_token - 1, BackEdge));
}
RangeInRevision CppEditorIntegrator::findRange( const Token & token )
{
return RangeInRevision(findPosition(token, FrontEdge), findPosition(token, BackEdge));
}
QString CppEditorIntegrator::tokenToString(std::size_t token) const
{
return m_session->token_stream->token(token).symbolString();
}
QString CppEditorIntegrator::tokensToStrings(std::size_t start, std::size_t end) const
{
QString ret;
for(std::size_t a = start; a < end; ++a) {
ret += tokenToString(a) + " ";
}
return ret;
}
QByteArray CppEditorIntegrator::tokenToByteArray(std::size_t token) const
{
return m_session->token_stream->token(token).symbolByteArray();
}
QByteArray CppEditorIntegrator::tokensToByteArray(std::size_t start, std::size_t end) const
{
QByteArray ret;
for(std::size_t a = start; a < end; ++a) {
ret += tokenToByteArray(a) + " ";
}
return ret;
}
ParseSession * CppEditorIntegrator::parseSession() const
{
return m_session;
}
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