File indexing completed on 2024-04-21 03:45:25

 /*
     SPDX-FileCopyrightText: 2003-2006 Cies Breijs <cies AT kde DOT nl>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "interpreter.h"
 #include "interpreteradaptor.h"
 
 #include <QtDebug>
 
 #include <QDebug>
 
 
 
 Interpreter::Interpreter(QObject* parent, bool testing)
     : QObject(parent), m_testing(testing)
 {
     if (testing) {
         new InterpreterAdaptor(this);
         QDBusConnection dbus = QDBusConnection::sessionBus();
         dbus.registerObject(QStringLiteral("/Interpreter"), this);
     }
 
     errorList  = new ErrorList();
     tokenizer  = new Tokenizer();
     parser     = new Parser(testing);
     executer   = new Executer(testing);
 
     m_state = Uninitialized;
 }
 
 Interpreter::~Interpreter()
 {
     errorList->clear();
     delete errorList;
     delete tokenizer;
     delete parser;
     delete executer;
 }
 
 void Interpreter::initialize(const QString& inString)
 {
     errorList->clear();
     tokenizer->initialize(inString);
     m_state = Initialized;
 }
 
 void Interpreter::interpret()
 {
     switch (m_state) {
         case Uninitialized:
             qCritical("Interpreter::interpret(): called without being initialized");
             return;
 
 
         case Initialized:
             parser->initialize(tokenizer, errorList);
             m_state = Parsing;
 //          //qDebug() << "Initialized the parser, parsing the code...";
             Q_EMIT parsing();
             break;
 
 
         case Parsing:
             parser->parse();
 
             if (encounteredErrors()) {
                 m_state = Aborted;
 //              //qDebug() << "Error encountered while parsing:";
 //              const QStringList lines = errorList->asStringList();
 //              foreach (const QString &line, lines)
                     //qDebug() << line;
 //              //qDebug() << "Parsing was unsuccessful.";
                 return;
             }
 
             if (parser->isFinished()) {
 //              //qDebug() << "Finished parsing.\n";
                 TreeNode* tree = parser->getRootNode();
                 Q_EMIT treeUpdated(tree);
 //              //qDebug() << "Node tree as returned by parser:";
 //              parser->printTree();
 //              //qDebug() << "";
 
                 executer->initialize(tree, errorList);
                 m_state = Executing;
 //              //qDebug() << "Initialized the executer, executing the node tree...";
                 Q_EMIT executing();
                 return;
             }
             break;
 
 
         case Executing:
             executer->execute();
 
             if (executer->isFinished()) {
 //              //qDebug() << "Finished executing.\n";
                 if (encounteredErrors()) {
 //                  //qDebug() << "Execution returned " << errorList->count() << " error(s):";
 //                  const QStringList lines = errorList->asStringList();
 //                  foreach (const QString &line, lines)
 //                      //qDebug() << line;
                 } else {
 //                  //qDebug() << "No errors encountered.";
                 }
                 m_state = Finished;
                 Q_EMIT finished();
                 return;
             }
             break;
 
 
         case Finished:
             qCritical("Interpreter::interpret(): called while already finished");
             return;
     }
 }
 
 #include "moc_interpreter.cpp"