pm_line_offset_list.h

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#ifndef PRISM_LINE_OFFSET_LIST_H
#define PRISM_LINE_OFFSET_LIST_H
 
#include "prism/defines.h"
#include "prism/util/pm_arena.h"
 
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
 
typedef struct {
    size_t size;
 
    size_t capacity;
 
    uint32_t *offsets;
} pm_line_offset_list_t;
 
typedef struct {
    int32_t line;
 
    uint32_t column;
} pm_line_column_t;
 
void pm_line_offset_list_init(pm_arena_t *arena, pm_line_offset_list_t *list, size_t capacity);
 
void pm_line_offset_list_clear(pm_line_offset_list_t *list);
 
void pm_line_offset_list_append_slow(pm_arena_t *arena, pm_line_offset_list_t *list, uint32_t cursor);
 
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);
    }
}
 
int32_t pm_line_offset_list_line(const pm_line_offset_list_t *list, uint32_t cursor, int32_t start_line);
 
PRISM_EXPORTED_FUNCTION pm_line_column_t pm_line_offset_list_line_column(const pm_line_offset_list_t *list, uint32_t cursor, int32_t start_line);
 
#endif