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/*
* Xeukleides version 0.9.2
* Copyright (c) Christian Obrecht 2000-2002
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
typedef struct {
double x,y;
} _point;
typedef struct {
double x,y;
} _vector;
typedef struct {
double x,y,angle;
} _line;
typedef struct {
double x1,y1,x2,y2;
} _segment;
typedef struct {
double x,y,radius;
} _circle;
typedef struct {
double x,y,d,a,b;
int kind;
} _conic;
struct interrec {
double value, step;
int free;
};
typedef struct interrec interrec;
struct assignrec {
unsigned int pos, len;
int i, j;
};
typedef struct assignrec assignrec;
struct symrec {
char *name;
int type;
union {
double number;
_point *point;
_vector *vector;
_line *line;
_segment *segment;
_circle *circle;
_conic *conic;
interrec *interactive;
} object;
struct symrec *next;
};
typedef struct symrec symrec;
struct saverec {
void * s;
struct saverec * next;
};
typedef struct saverec saverec;
#define TRACE_SIZE 201
#define NORMAL_MODE 0
#define TRACE_MODE 1
#define STRING_MODE 2
#define COMMENT_MODE 3
#define PARSING 0
#define STARTING 1
#define TRACING 2
#define RESTARTING 3
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