#ifndef _DATUM_H_
#define _DATUM_H_

#include "vis_threading.h"
#include "debugmacros.h"

/*
Old Datum structure
typedef struct
{
	unsigned char type;//0=String,1=Bool,2=Int32,3=UInt32,4=Float, bit 7 = dynamically allocated (i.e. call free when datum is freed)
	int len;
	void * contents;
} datum;
*/

//Support structs for new datum structure
#ifdef CPLUSPLUS
extern "C" {
#endif
#ifndef PROGRAM_STRUCT_DECLARED_
#define PROGRAM_STRUCT_DECLARED_
//icky hack until I figure out a better one
//defined in both datum.h and structs.h ugh

typedef struct
{
	char filename[512];
	struct defchunk * defs;
	struct defchunk * current;
	//struct worker_def * deflist;
	//int num_defs;
	//int defs_storage;
	struct company * companylist;
	int num_companies;
	int companies_storage;
	int refcount;
	VIS_CRITICAL_SECTION(lock)
} program;

#endif

typedef struct
{
	unsigned int len;
	void * data;
} generic_data;
typedef struct
{
	int num_a;
	int num_b;
} two_ints;
//New datum structure
typedef struct
{
	//unsigned short type;
	struct company * company;
	unsigned char union_type;
	union
	{
		generic_data generic;
		two_ints integers;
		double real;
	} c;
	int ref_count;
	VIS_CRITICAL_SECTION(lock)
} datum;

#define DATUMS_PER_STORAGE	512
typedef struct datum_storage
{
	datum datums[DATUMS_PER_STORAGE];
	unsigned short available;
	unsigned char inuse[DATUMS_PER_STORAGE/8];
	int num;
	struct datum_storage * next;
} datum_storage;
#define CHECK_INUSE(storage, index, subindex)	((storage->inuse[index]) & (1 << (subindex)))
#define	SET_INUSE(storage, index)	(storage->inuse[index >> 3] |= (1 << (index & 7)))
#define	CLEAR_INUSE(storage, index)	(storage->inuse[index >> 3] &= ~(1 << (index & 7)))

datum * new_datum(unsigned short type, unsigned char union_type, int generic_len, program * prog);
datum * add_ref(datum * adatum);
void release_ref(datum * adatum);
void datum_set_yesno(datum * adatum, int val);
void init_datum_storage();
datum * copy_datum(datum * adatum, int newsize);
#ifdef CPLUSPLUS
}
#endif

#define DATUM_YES	1
#define DATUM_NO	0

#ifdef GUI_LIB
	#define BUILTIN_TYPE_SCREEN_CUSTOM		17
	#define BUILTIN_TYPE_CUSTOM_WIDGET		16
	#define BUILTIN_TYPE_CHECKBOX			20
	#define BUILTIN_TYPE_DROPDOWN			21
	#ifdef SYLLABLE
		#define USER_DEFINED_TYPES			22
		#define BUILTIN_TYPE_BLUEPRINT		19
		#define BUILTIN_TYPE_BUFFER			18
	#else
		#define USER_DEFINED_TYPES			18
		#define BUILTIN_TYPE_BLUEPRINT		17
		#define BUILTIN_TYPE_BUFFER			16
	#endif
	#define BUILTIN_TYPE_PROGRAM		15
	#define BUILTIN_TYPE_GLOBAL_STORE	14
	#define BUILTIN_TYPE_NETCLIENT		13
#else
	#ifdef SEGA
		#define	USER_DEFINED_TYPES			12
		#define BUILTIN_TYPE_BLUEPRINT		11
		#define BUILTIN_TYPE_BUFFER			10
		#define BUILTIN_TYPE_PROGRAM		9
		#define BUILTIN_TYPE_GLOBAL_STORE	8
	#else
		#ifdef NO_NET
			#define	USER_DEFINED_TYPES			13
			#define BUILTIN_TYPE_BLUEPRINT		12
			#define BUILTIN_TYPE_BUFFER			11
			#define BUILTIN_TYPE_PROGRAM		10
			#define BUILTIN_TYPE_GLOBAL_STORE	9
		#else
			#define	USER_DEFINED_TYPES			14
			#define BUILTIN_TYPE_BLUEPRINT		13
			#define BUILTIN_TYPE_BUFFER			12
			#define BUILTIN_TYPE_PROGRAM		11
			#define BUILTIN_TYPE_GLOBAL_STORE	10
		#endif
	#endif
	#define	BUILTIN_TYPE_NETCLIENT		9
#endif
#define BUILTIN_TYPE_INPUTBOX			12
#define BUILTIN_TYPE_BUTTON				11
#define BUILTIN_TYPE_WINDOW_SHOWN		10
#define BUILTIN_TYPE_WINDOW 			9
#ifdef SEGA
	#define BUILTIN_TYPE_WORKER			7
#else
	#define BUILTIN_TYPE_WORKER				8
#endif //SEGA
#define BUILTIN_TYPE_FILE				7
#define BUILTIN_TYPE_DICT				6
#define BUILTIN_TYPE_LIST				5
#define BUILTIN_TYPE_REAL				4
#define BUILTIN_TYPE_WHOLE				3
#define BUILTIN_TYPE_STRING				2
#define BUILTIN_TYPE_YESNO				1
#define ANY_TYPE						0

#endif //_DATUM_H_