#ifndef SYSTEM_H_
#define SYSTEM_H_
#include <stdlib.h>
#include <time.h>
#include "Types.h"
#include "misc.h"
extern double pi;
typedef TDate* PDate;
// dimension info for dynamic arrays
typedef struct {
int dim;
int a[4]; // at most 4
} fpcrtl_dimension_t;
/*
* Copy returns a string which is a copy if the Count characters in S, starting at position Index.
* If Count is larger than the length of the string S, the result is truncated.
* If Index is larger than the length of the string S, then an empty string is returned.
* Index is 1-based.
*/
string255 fpcrtl_copy(string255 s, Integer Index, Integer Count);
astring fpcrtl_copyA(astring s, Integer Index, Integer Count);
/*
* Insert a shortstring in another at a specified index
*/
void __attribute__((overloadable)) fpcrtl_insert__vars(string255 *src, string255 *dst, SizeInt index);
void __attribute__((overloadable)) fpcrtl_insert__vars(astring *src, astring *dst, SizeInt index);
#define fpcrtl_insert(src, dst, index) fpcrtl_insert__vars(&(src), &(dst), index);
#define fpcrtl_Insert fpcrtl_insert
/*
* Delete removes Count characters from string S, starting at position Index.
* All characters after the deleted characters are shifted Count positions to the left,
* and the length of the string is adjusted.
*/
#define fpcrtl_delete(s, index, count) fpcrtl_delete__vars(&(s), index, count)
void __attribute__((overloadable)) fpcrtl_delete__vars(string255 *s, SizeInt index, SizeInt count);
void __attribute__((overloadable)) fpcrtl_delete__vars(astring *s, SizeInt index, SizeInt count);
#define fpcrtl_Delete fpcrtl_delete
string255 fpcrtl_floatToStr(double n);
/*
* Move data from one location in memory to another
*/
void fpcrtl_move__vars(void *src, void *dst, SizeInt count);
#define fpcrtl_move(src, dst, count) fpcrtl_move__vars(&(src), &(dst), count);
#define fpcrtl_Move fpcrtl_move
Integer __attribute__((overloadable)) fpcrtl_pos(Char c, string255 str);
Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, string255 str);
Integer __attribute__((overloadable)) fpcrtl_pos(string255 substr, astring str);
Integer __attribute__((overloadable)) fpcrtl_pos(Char c, astring str);
Integer fpcrtl_length(string255 s);
#define fpcrtl_Length fpcrtl_length
Integer fpcrtl_lengthA(astring s);
#define fpcrtl_LengthA fpcrtl_lengthA
#define fpcrtl_SetLengthA(s, l) do{(s).len = (l);}while(0)
#define fpcrtl_sqr(x) ((x) * (x))
#define fpcrtl_odd(x) ((x) % 2 != 0 ? true : false)
#define fpcrtl_StrLen strlen
#define SizeOf sizeof
string255 fpcrtl_lowerCase(string255 s);
#define fpcrtl_LowerCase fpcrtl_lowerCase
void fpcrtl_fillChar__vars(void *x, SizeInt count, Byte value);
#define fpcrtl_fillChar(x, count, value) fpcrtl_fillChar__vars(&(x), count, value)
#define fpcrtl_FillChar fpcrtl_fillChar
void fpcrtl_new__vars(void **p, int size);
#define fpcrtl_new(a) fpcrtl_new__vars((void **)&(a), sizeof(*(a)))
#define fpcrtl_dispose free
#define fpcrtl_freeMem(p, size) free(p)
#define fpcrtl_FreeMem(p, size) free(p)
#define fpcrtl_getMem(size) malloc(size)
#define fpcrtl_GetMem fpcrtl_getMem
#define fpcrtl_assigned(p) ((p) != NULL)
#define fpcrtl_Assigned fpcrtl_assigned
Int64 fpcrtl_trunc(extended n);
Integer fpcrtl_ceil(extended n);
#define fpcrtl_val(s, a) fpcrtl_val__vars(s, &(a))
void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, LongInt *a);
void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, Byte *a);
void __attribute__((overloadable)) fpcrtl_val__vars(string255 s, LongWord *a);
#define fpcrtl_randomize() srand(time(NULL))
/*
* Random returns a random number larger or equal to 0 and strictly less than L
*/
LongInt fpcrtl_random(LongInt l);
string255 fpcrtl_paramStr(LongInt);
#define fpcrtl_ParamStr fpcrtl_paramStr
/*
* Str returns a string which represents the value of X. X can be any numerical type.
*/
#define fpcrtl_str(x, s) fpcrtl_str__vars(x, &(s))
void __attribute__((overloadable)) fpcrtl_str__vars(float x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(double x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(uint8_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(int8_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(uint16_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(int16_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(uint32_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(int32_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(uint64_t x, string255 *s);
void __attribute__((overloadable)) fpcrtl_str__vars(int64_t x, string255 *s);
void fpcrtl_interlockedIncrement__vars(int *i);
void fpcrtl_interlockedDecrement__vars(int *i);
#define fpcrtl_interlockedIncrement(i) fpcrtl_interlockedIncrement__vars(&(i))
#define fpcrtl_interlockedDecrement(i) fpcrtl_interlockedDecrement__vars(&(i))
#define fpcrtl_InterlockedIncrement fpcrtl_interlockedIncrement
#define fpcrtl_InterlockedDecrement fpcrtl_interlockedDecrement
void fpcrtl_init(int argc, char** argv);
int fpcrtl_paramCount();
#define fpcrtl_ParamCount fpcrtl_paramCount
string255 fpcrtl_paramStr(int i);
#define fpcrtl_ParamStr fpcrtl_paramStr
int fpcrtl_UTF8ToUnicode(PWideChar dest, PChar src, SizeInt maxLen);
// #define fpcrtl_halt(t) assert(0)
#define fpcrtl_halt(t) exit(t)
#define fpcrtl_Load_GL_VERSION_2_0() 1
uint32_t __attribute__((overloadable)) fpcrtl_lo(uint64_t);
#define fpcrtl_Lo fpcrtl_lo
#define __SET_LENGTH2(arr, d, b) do{\
d.dim = 1;\
arr = realloc(arr, b * sizeof(typeof(*arr)));\
d.a[0] = b;\
}while(0)
#define SET_LENGTH2(arr, b) __SET_LENGTH2(arr, arr##_dimension_info, (b))
#define __SET_LENGTH3(arr, d, b, c) do{\
d.dim = 2;\
for (int i = 0; i < d.a[0]; i++) {\
arr[i] = realloc(arr[i], c * sizeof(typeof(**arr)));\
}\
if (d.a[0] > b) {\
for (int i = b; i < d.a[0]; i++) {\
free(arr[i]);\
}\
arr = realloc(arr, b * sizeof(typeof(*arr)));\
} else if (d.a[0] < b) {\
arr = realloc(arr, b * sizeof(typeof(*arr)));\
for (int i = d.a[0]; i < b; i++) {\
arr[i] = malloc(c * sizeof(typeof(**arr)));\
memset(arr[i], 0, c * sizeof(typeof(**arr)));\
}\
}\
d.a[0] = b;\
d.a[1] = c;\
}while(0)
#define SET_LENGTH3(arr, b, c) __SET_LENGTH3(arr, arr##_dimension_info, (b), (c))
#define fpcrtl_SetLength(...) macro_dispatcher(SET_LENGTH, __VA_ARGS__)(__VA_ARGS__)
#endif /* SYSTEM_H_ */