line_offset_list.h

#ifndef PRISM_INTERNAL_LINE_OFFSET_LIST_H
#define PRISM_INTERNAL_LINE_OFFSET_LIST_H
 
#include "prism/compiler/force_inline.h"
 
#include "prism/arena.h"
#include "prism/line_offset_list.h"
 
/* Initialize a new line offset list with the given capacity. */
void pm_line_offset_list_init(pm_arena_t *arena, pm_line_offset_list_t *list, size_t capacity);
 
/* Clear out the offsets that have been appended to the list. */
void pm_line_offset_list_clear(pm_line_offset_list_t *list);
 
/* Append a new offset to the list (slow path with resize). */
void pm_line_offset_list_append_slow(pm_arena_t *arena, pm_line_offset_list_t *list, uint32_t cursor);
 
/* Append a new offset to the list. */
static PRISM_FORCE_INLINE void
pm_line_offset_list_append(pm_arena_t *arena, pm_line_offset_list_t *list, uint32_t cursor) {
    if (list->size < list->capacity) {
        list->offsets[list->size++] = cursor;
    } else {
        pm_line_offset_list_append_slow(arena, list, cursor);
    }
}
 
/*
 * Returns the line of the given offset. If the offset is not in the list, the
 * line of the closest offset less than the given offset is returned.
 */
int32_t pm_line_offset_list_line(const pm_line_offset_list_t *list, uint32_t cursor, int32_t start_line);
 
#endif