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/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU 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.
*/
/* (C) Marcin Kwadrans <quarter@users.sourceforge.net> */
#include "include/support.h"
#include "include/parser.h"
#include "include/interpreter.h"
#include "include/board.h"
#include "include/environment.h"
static gboolean delete_cb (LWProgram *program)
{
if (TRUE == program->isFinished())
delete program;
else
program->stop ();
return TRUE;
}
/*! \brief Konstruktor
Tworzy program
*/
LWProgram::LWProgram ()
: world(NULL), interp(NULL), program_data(NULL)
{
LWEnvironment::registerProgram (this);
}
/*! \brief Destruktor
Destroying a program
*/
LWProgram::~LWProgram ()
{
GtkWidget *window=NULL;
if (world != NULL)
window = gtk_widget_get_ancestor(world->getWidget(), GTK_TYPE_WINDOW);
if (interp != NULL)
delete interp;
if (world != NULL)
delete world;
if (program_data != NULL)
delete program_data;
if (window != NULL)
gtk_widget_destroy (window);
LWEnvironment::unregisterProgram ();
}
/* \brief Wyświetla komunikat
Wyświetla komunikat
\msg Komunikat do wyświetlenia
*/
void LWProgram::showMessage (LWMessage *msg)
{
GtkWidget *window = gtk_widget_get_ancestor (world->getWidget(), GTK_TYPE_WINDOW);
gtk_window_set_modal (GTK_WINDOW(window), FALSE);
if (interp != NULL) {
delete interp;
interp = NULL;
showRunTimeMessage (msg);
delete this;
} else {
showParseMessage (msg);
}
delete msg;
}
void LWProgram::showParseMessage (LWMessage *msg)
{
msg->show();
}
void LWProgram::showRunTimeMessage (LWMessage *msg)
{
msg->show();
}
/*! \brief Analiza programu
Przeprowadza analizę planszy z programem,
tworząc drzewo składniowe. W razie błędów
metoda tworzy okno z błędem i zaznacza ikonę
w związku z którą wystąpił
\param program Plansza z programem
\return Prawda jęśli analiza zakończyła się sukcesem
w przeciwnym wypadku fałsz.
*/
gboolean LWProgram::parse (LWBoard *program, gboolean enable_debug)
{
program->unmarkPiece ();
LWParser parser(this);
parser.enableDebug(enable_debug);
program_data = parser.parse( program);
return (program_data != NULL) ? TRUE : FALSE;
}
/*! \brief Przydzielenie świata
Przydziela świat, na którym będzie operował program.
Metoda tworzy kopię tego świata i umieszcza w lewym górnym
rogu czarodzieja, który po nim będzie się poruszał.
\param a_world Plansza ze światem
*/
void LWProgram::setWorld (LWBoard *a_world)
{
g_return_if_fail (world == NULL);
g_return_if_fail (a_world != NULL);
g_return_if_fail (a_world->getType() == LW_TYPE_WORLD);
g_return_if_fail (a_world->getRowNth(0) != NULL);
g_return_if_fail (a_world->getRowNth(0)->getPieceNth(0) != NULL);
world = new LWBoard (a_world, LW_TYPE_PLAYGROUND);
GtkWidget *window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_resizable (GTK_WINDOW(window), FALSE);
if (NULL != LWEnvironment::getWidget()) {
GtkWidget *parentwindow = gtk_widget_get_ancestor(
LWEnvironment::getWidget(), GTK_TYPE_WINDOW);
if (parentwindow != NULL)
gtk_window_set_transient_for (GTK_WINDOW(window), GTK_WINDOW(parentwindow));
}
gtk_container_add (GTK_CONTAINER (window), world->getWidget());
gtk_widget_show (window);
g_signal_connect_swapped (G_OBJECT (window), "delete_event",
G_CALLBACK (delete_cb), (gpointer) this);
}
LWBoard *LWProgram::getWorld ()
{
return world;
}
/*! \brief Wykonanie programu
Wykonuje program. Metoda może być wykonana dopiero po stworzeniu
drzewa składniowego przez metodę parse.
\param node Węzeł do wykonania
*/
void LWProgram::execute ()
{
g_return_if_fail (program_data != NULL);
g_return_if_fail (interp == NULL);
interp = new LWInterpreter (this, program_data);
interp->execute();
}
void LWProgram::finish ()
{
if (program_data != NULL) {
delete program_data;
program_data = NULL;
}
}
gboolean LWProgram::isFinished()
{
if (interp == NULL)
return TRUE;
return interp->isRunning() ? FALSE : TRUE;
}
void LWProgram::stop()
{
if (interp != NULL) {
interp->stop();
delete interp;
interp = NULL;
}
}
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