lime_ast.h

#ifndef LIME_AST_H
#define LIME_AST_H
 
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct LimeArena {
    char *base;              
    size_t used;             
    size_t capacity;         
    struct LimeArena *next;  
} LimeArena;
 
/* Create an arena with the given initial block size. Returns NULL on failure. */
LimeArena *lime_arena_create(size_t initial_size);
 
/* Allocate size bytes from the arena with pointer alignment.
** Returns NULL only if malloc fails for a new block. Never fails
** for sizes smaller than the block size. */
void *lime_arena_alloc(LimeArena *arena, size_t size);
 
/* Allocate and zero-fill size bytes from the arena. */
void *lime_arena_calloc(LimeArena *arena, size_t size);
 
/* Duplicate a string into the arena. */
char *lime_arena_strdup(LimeArena *arena, const char *s);
 
/* Destroy the arena and all its blocks. Passing NULL is safe. */
void lime_arena_destroy(LimeArena *arena);
 
/* Return total bytes allocated across all blocks. */
size_t lime_arena_total_allocated(const LimeArena *arena);
 
/* Return total bytes used across all blocks. */
size_t lime_arena_total_used(const LimeArena *arena);
 
#ifdef __cplusplus
}
#endif
 
#endif /* LIME_AST_H */