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/** Copyright (C) 2006, Ian Paul Larsen.
**
** 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.
**
** You should have received a copy of the GNU 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.
**/
#ifndef __INTERPRETER_H
#define __INTERPRETER_H
#include <QPixmap>
#include <QImage>
#include <QThread>
#include <QFile>
#include <QDir>
#include <QTime>
#include <stdio.h>
#include <cmath>
#include <sqlite3.h>
#include <dirent.h>
#include "BasicGraph.h"
#include "Stack.h"
#include "Variables.h"
#include "ErrorCodes.h"
#ifndef M_PI
#define M_PI 3.14159265
#endif
enum run_status {R_STOPPED, R_RUNNING, R_INPUT, R_INPUTREADY, R_ERROR, R_PAUSED};
#define NUMFILES 8
#define NUMSOCKETS 8
struct byteCodeData
{
unsigned int size;
void *data;
};
struct frame {
frame *next;
unsigned char *returnAddr;
};
struct forframe {
forframe *prev;
forframe *next;
unsigned int variable;
unsigned char *returnAddr;
double endNum;
double step;
};
typedef struct {
QImage *image;
QImage *underimage;
double x;
double y;
bool visible;
bool active;
} sprite;
class Interpreter : public QThread
{
Q_OBJECT;
public:
Interpreter(BasicGraph *);
~Interpreter();
int compileProgram(char *);
void initialize();
byteCodeData *getByteCode(char *);
bool isRunning();
bool isStopped();
bool isAwaitingInput();
void setInputReady();
void cleanup();
void run();
bool debugMode;
public slots:
int execByteCode();
void pauseResume();
void stop();
void receiveInput(QString);
signals:
void fastGraphics();
void runFinished();
void goutputReady();
void outputReady(QString);
void inputNeeded();
void clearText();
void getKey();
void playSounds(int, int*);
void setVolume(int);
void executeSystem(char*);
void speakWords(QString);
void playWAV(QString);
void waitWAV();
void stopWAV();
void goToLine(int);
void highlightLine(int);
void varAssignment(QString name, QString value, int arraylen);
void mainWindowsResize(int, int, int);
void mainWindowsVisible(int, bool);
private:
int compareTwoStackVal(stackval *, stackval *);
void waitForGraphics();
void printError(int, QString);
QString getErrorMessage(int);
int netSockClose(int);
QImage *image;
BasicGraph *graph;
Variables variables;
Stack stack;
QFile **stream;
unsigned char *op;
frame *callstack;
forframe *forstack;
QColor pencolor;
run_status status;
run_status oldstatus;
bool fastgraphics;
QString inputString;
bool once;
int currentLine;
QString fontfamily;
int fontpoint;
int fontweight;
void clearsprites();
void spriteundraw(int);
void spriteredraw(int);
bool spritecollide(int, int);
sprite *sprites;
int nsprites;
void closeDatabase();
sqlite3 *dbconn;
sqlite3_stmt *dbset;
int errornum;
QString errormessage;
int lasterrornum;
QString lasterrormessage;
int lasterrorline;
int onerroraddress;
int netsockfd[NUMSOCKETS];
DIR *directorypointer; // used by dir function
QTime runtimer; // used by
};
#endif
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