Function ts_nstack_init

internal/cbm/extract_node_stack.h:26–30

Initialize a stack with the given initial capacity, arena-allocated. */

/* Initialize a stack with the given initial capacity, arena-allocated. */
static inline void ts_nstack_init(TSNodeStack *s, CBMArena *arena, int initial_cap) {
    s->items = (TSNode *)cbm_arena_alloc(arena, (size_t)initial_cap * sizeof(TSNode));
    s->count = 0;
    s->cap = s->items ? initial_cap : 0;
}

/* Push a node onto the stack, growing 2x if needed. */
static inline void ts_nstack_push(TSNodeStack *s, CBMArena *arena, TSNode node) {