4coder/4coder_helper.h

100 lines
2.2 KiB
C

/*
* Miscellaneous helpers for common operations.
*/
// TOP
#if !defined(FCODER_HELPER_H)
#define FCODER_HELPER_H
struct Bind_Helper{
Binding_Unit *cursor, *start, *end;
Binding_Unit *header, *group;
int32_t write_total;
int32_t error;
};
#define BH_ERR_NONE 0
#define BH_ERR_MISSING_END 1
#define BH_ERR_MISSING_BEGIN 2
#define BH_ERR_OUT_OF_MEMORY 3
struct Bind_Buffer{
void *data;
int32_t size;
};
////////////////////////////////
#define dll_remove(n) (n)->next->prev=(n)->prev,(n)->prev->next=(n)->next
#define zdll_push_back_(f,l,n) if(f==0){n->next=n->prev=0;f=l=n;}else{n->prev=l;n->next=0;l->next=n;l=n;}
#define zdll_push_back(f,l,n) do{ zdll_push_back_((f),(l),(n)) }while(0)
#define zdll_remove_front_(f,l,n) if(f==l){f=l=0;}else{f=f->next;f->prev=0;}
#define zdll_remove_back_(f,l,n) if(f==l){f=l=0;}else{l=l->prev;l->next=0;}
#define zdll_remove_(f,l,n) if(f==n){zdll_remove_front_(f,l,n);}else if(l==n){zdll_remove_back_(f,l,n);}else{dll_remove(n);}
#define zdll_remove(f,l,n) do{ zdll_remove_((f),(l),(n)) }while(0)
#if !defined(Member)
# define Member(S,m) (((S*)0)->m)
#endif
#define PtrDif(a,b) ((uint8_t*)(a) - (uint8_t*)(b))
#define PtrAsInt(a) PtrDif(a,0)
#define OffsetOfMember(S,m) PtrAsInt(&Member(S,m))
#define CastFromMember(S,m,ptr) (S*)( (uint8_t*)(ptr) - OffsetOfMember(S,m) )
#if !defined(max_f32)
inline float
max_f32_proc(void){
union{
uint32_t x;
float f;
} c;
c.x = 0x7f800000;
return(c.f);
}
#define max_f32 max_f32_proc()
#endif
#if !defined(ArrayCount)
# define ArrayCount(a) (sizeof(a)/sizeof(a[0]))
#endif
#ifndef Swap
# define Swap(T,a,b) do{ T t = a; a = b; b = t; } while(0)
#endif
struct Buffer_Rect{
int32_t char0, line0;
int32_t char1, line1;
};
////////////////////////////////
struct Stream_Chunk{
Application_Links *app;
Buffer_Summary *buffer;
char *base_data;
int32_t start, end;
int32_t min_start, max_end;
bool32 add_null;
uint32_t data_size;
char *data;
};
struct Stream_Tokens{
Application_Links *app;
Buffer_Summary *buffer;
Cpp_Token *base_tokens;
Cpp_Token *tokens;
int32_t start, end;
int32_t count, token_count;
};
#endif
// BOTTOM