comp.h

CForms, by Lars Berntzon (Stockholm, Sweden), is a tool for building interactive forms-driven applic

/*******************************************************************************
 *
 *		C O M P . H
 *		-----------
 *
 * Description:
 *	Headerfile for compiler.
 *
 * Revision:
 *	Ver	Date	By		Reason
 *	---	----	--		------
 *	1.00	900619	Lars Berntzon	Created
 *
 ******************************************************************************/
#ifndef _COMP_H
#define _COMP_H
#ifndef lint
static volatile char sccs_comp_h[] = "@(#) comp.h,v 1.12 1993/07/20 23:58:12 lasse Exp";
#endif

#include "cforms.h"

#define offsetof(type, item) (((int) &( ((type *)2)->item )) - 2)

#define NEXT_VIEWPORT(ptr) ((struct viewport *)ptr->link.next)
#define NEXT_PICTURE(ptr)  ((struct picture *)ptr->link.next)
#define NEXT_FIELD(ptr)    ((struct field *)ptr->link.next)
#define NEXT_EVENT(ptr)    ((struct event *)ptr->link.next)
#define NEXT_LITERAL(ptr)  ((struct literal *)ptr->link.next)
#define NEXT_CCODE(ptr)    ((struct ccode *)ptr->link.next)

#define TYPE_VIEWPORT	1
#define TYPE_PICTURE	2
#define TYPE_FIELD	3
#define TYPE_EVENT	4
#define TYPE_LITERAL	5
#define TYPE_CCODE	6

#define memalloc(size)		_memalloc(__FILE__, __LINE__, (size))
#define strduplicate(str)	_strduplicate(__FILE__, __LINE__, (str))
#define reallocmem(ptr, size)		_reallocmem(__FILE__, __LINE__, (ptr), (size))

#define N_KEYS	(sizeof keys / sizeof keys[0])
#define N_CMDS	(sizeof lookup / sizeof lookup[0])

#define CF_CENTER 2000
#define CF_MIDDLE 3000
#define CF_MAX    4000

#define ISCENTER(pos) (((pos) > CF_CENTER / 2) && ((pos) < CF_MIDDLE))
#define ISMAX(pos) (((pos) > CF_MIDDLE)  && ((pos) <= CF_MAX))

#define MAXPOS	128			/* Maximum number of chars in one statement block
*/

/* Common used struct for command parsing */
struct lookup_s {
    char *cmd;
    int (*func)();
};

struct keys_s {
    char *key;
    char *code;
};

struct stmt {
    struct stmt *next;		/* Next statement block in list		*/
    int pos;			/* Current storage position		*/
    int line;			/* Line number to this statement	*/
    char txt[MAXPOS];		/* Actual text				*/
};

struct link {
    struct link *next;
    int type;
    char *name;
};

struct literal {
    struct link link;
    struct xy pos;
    unsigned long flags;
};

struct viewport {
    struct link link;
    struct xy pos;
    struct xy size;
};

struct ccode {
    struct link link;
    struct stmt *stmt;
};

struct event {
    struct link link;
    char *type;
    char *code;
    int global;
    struct stmt *stmt;
};

struct field {
    struct link link;
    struct xy pos;
    struct event *event;
    char *lvalue;
    char *rvalue;
    char *type;
    char *value;
    int len;
    unsigned long flags;
};

struct picture {
    struct link link;
    struct viewport *viewport;
    struct field *field;
    struct literal *literal;
    struct event *event;
    unsigned long flags;
};

struct list {
    struct viewport *viewport;
    struct picture *picture;
    struct event *event;
    struct ccode *ccode;
};

extern int strequ(char *s1, char *s2);	/* Case insensitive strcmp	*/
extern void fatal(char *str);		/* Give message and abort	*/
extern void usage(void);		/* Give usage message and abort	*/
extern void error(char *);		/* Give error message + lineno	*/

	/* malloc with memory check	*/
extern void *_memalloc(char *file, int line, int size);
extern char *_strduplicate(char *file, int line, const char *str);
extern void *_reallocmem(char *file, int line, void *ptr, int size);

extern struct picture  *get_picture(), *unget_picture();
extern struct event *get_event(), *unget_event();
extern struct viewport *get_viewport(), *unget_viewport();
extern struct field *get_field(), *unget_field();
extern struct stmt *get_stmt();
void unget_stmt();
extern struct literal *get_literal(), *unget_literal();
extern struct ccode *get_ccode(), *unget_ccode();
extern struct link *find_name(struct link *first, char *name);
extern void output(void);
extern int GetPos(int *x, int *y);
extern int skip_stmt(void);
extern char *strip_quotes(char *str);
extern char *strtoupper(char *str);
extern void stmt_write(struct stmt *stmt, FILE *fp);
void stmt_add(struct stmt **stmt, char *str, char *space);
void debug(char *fmt, ...);

#ifdef SIGNAL_INT
extern int cleanup(int sig);
#else
extern void cleanup(int sig);
#endif

extern struct list list;	/* The list of everything	*/
extern char *filename;		/* Name of input file		*/

#endif _/* COMP_H */