CraftStruct2

#include <stdio.h>

#include <stdint.h>

#include <stdlib.h>

#include <string.h>

#include <assert.h>

#define forS0(Name, String) \

for(u32 Name = 0; Name == 0 || (String)[Name-1]; Name++)

typedef uint64_t u64;

typedef uint32_t u32;

typedef uint16_t u16;

typedef uint8_t u8;

enum struct CraftStructEnum : u8{

Tnull,

Ts64,

Tstring

};

struct CraftStructEntry{

CraftStructEnum type;

u8 type_size;

u8 word_size;

int& E(char *member);

};

CraftStructEntry *next(CraftStructEntry *in)

{

char *result = (char *)in;

result += sizeof(CraftStructEntry);

result += in->type_size;

result += in->word_size;

return (CraftStructEntry *)result;

}

int& CraftStructEntry::E(char *member)

{

CraftStructEntry *entry = this;

int *result;

while(1)

{

bool match = 1;

if(entry->type == CraftStructEnum::Tnull)

{

entry->type = CraftStructEnum::Ts64;

entry->type_size = 8;

entry->word_size = 0;

forS0(i, member)

{

((char *)entry)[sizeof(CraftStructEntry)+i] = member[i];

entry->word_size++;

}

result = (int *)(((char *)entry) + sizeof(CraftStructEntry) + entry->word_size); // get value

break;

}

for(int i = 0; member[i] != 0; ++i)

{

if(member[i] != ((char *)entry)[i+sizeof(CraftStructEntry)]) // get member

{

match = 0;

break;

}

}

if(match == 1)

{

result = (int *)(((char *)entry) + sizeof(CraftStructEntry) + entry->word_size); // get value

break;

}

entry = next(entry);

}

return *result;

}

int main()

{

CraftStructEntry *Some_data = (CraftStructEntry *)calloc(1024 * 64, 1);

Some_data->E("tega") = 1024;

Some_data->E("fgg") = 32;

printf("%lli, %lli, %lli", Some_data->E("fgg"), Some_data->E("tega"), Some_data->E("non_exist"));

return 0;

}