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/***************************************************************************
* This file is part of KDevelop *
* Copyright 2008 Niko Sams <niko.sams@gmail.com> *
* Copyright 2009 Milian Wolff <mail@milianw.de> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Library General Public License as *
* published by the Free Software Foundation; either version 2 of the *
* License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "parsesession.h"
#include "lexer.h"
#include "parser.h"
#include "dumptree.h"
#include "ast.h"
#include "tokens.h"
#include <KAboutData>
#include <language/util/debuglanguageparserhelper.h>
#include "rpp/pp-location.h"
#include "rpp/preprocessor.h"
#include "rpp/pp-engine.h"
#include "environmentmanager.h"
#include "contextbuilder.h"
#include "cpppreprocessenvironment.h"
#include "cpputils.h"
#include "control.h"
using namespace Cpp;
using namespace KDevelopUtils;
class CppParser {
public:
CppParser(const bool printAst, const bool printTokens)
: m_printAst(printAst), m_printTokens(printTokens)
{
}
/// parse contents of a file
void parseFile( const QString &fileName )
{
m_session.setUrl(IndexedString(fileName));
rpp::Preprocessor preprocessor;
rpp::pp pp(&preprocessor);
m_session.setContentsAndGenerateLocationTable(pp.processFile(fileName));
runSession();
}
/// parse code directly
void parseCode( const QString &code )
{
qout << "Parsing input" << endl;
m_session.setUrl(IndexedString("-"));
rpp::Preprocessor preprocessor;
rpp::pp pp(&preprocessor);
m_session.setContentsAndGenerateLocationTable(pp.processFile("anonymous", code.toUtf8()));
runSession();
}
private:
/**
* actually run the parse session
*/
void runSession()
{
Control control;
Parser parser(&control);
TranslationUnitAST* ast = parser.parse(&m_session);
if (m_printTokens) {
if ( !m_session.token_stream || m_session.token_stream->isEmpty() ) {
qout << "empty token stream";
} else {
qout << "token stream:" << endl;
for(int i = 0; i < m_session.token_stream->count(); ++i) {
const Token& t = m_session.token_stream->at(i);
Q_ASSERT(t.size || t.symbolString().isEmpty());
qout << token_name(t.kind) << ": " << t.symbolString() << endl;
}
}
}
if (!ast) {
qerr << "no AST tree could be generated" << endl;
} else {
ast->session = &m_session;
qout << "AST tree successfully generated" << endl;
if (m_printAst) {
DumpTree dumper;
dumper.dump(ast, m_session.token_stream, true);
}
}
if (!control.problems().isEmpty()) {
qout << endl << "problems encountered during parsing:" << endl;
foreach(KDevelop::ProblemPointer p, control.problems()) {
qout << p->description() << endl;
}
} else {
qout << "no problems encountered during parsing" << endl;
}
if (!ast) {
exit(255);
}
}
ParseSession m_session;
const bool m_printAst;
const bool m_printTokens;
};
int main(int argc, char* argv[])
{
KAboutData aboutData( "cpp-parser", 0, ki18n( "cpp-parser" ),
"1", ki18n("KDevelop CPP parser debugging utility"), KAboutData::License_GPL,
ki18n( "2011 Milian Wolff" ), KLocalizedString(), "http://www.kdevelop.org" );
return KDevelopUtils::initAndRunParser<CppParser>(aboutData, argc, argv);
}
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