static int add_token(struct parser_state *state, const yystype *token)
{
if(tokens_ensure_capacity(&state->tokens, state->tokens.cnt + 1))
return -1;
state->tokens.data[state->tokens.cnt++] = *token;
return 0;
}
static int append_tokens(struct tokens *dst, const struct tokens *src)
{
if(!dst || !src)
return CL_ENULLARG;
if(tokens_ensure_capacity(dst, dst->cnt + src->cnt))
return CL_EMEM;
cli_dbgmsg(MODULE "Appending %lu tokens\n", (unsigned long)(src->cnt));
memcpy(&dst->data[dst->cnt], src->data, src->cnt * sizeof(dst->data[0]));
dst->cnt += src->cnt;
return CL_SUCCESS;
}
static int replace_token_range(struct tokens *dst, size_t start, size_t end, const struct tokens *with)
{
const size_t len = with ? with->cnt : 0;
size_t i;
cli_dbgmsg(MODULE "Replacing tokens %lu - %lu with %lu tokens\n",start, end, len);
if(start >= dst->cnt || end > dst->cnt)
return -1;
for(i=start;i<end;i++) {
free_token(&dst->data[i]);
}
if(tokens_ensure_capacity(dst, dst->cnt - (end-start) + len))
return CL_EMEM;
memmove(&dst->data[start+len], &dst->data[end], (dst->cnt - end) * sizeof(dst->data[0]));
if(with && len > 0) {
memcpy(&dst->data[start], with->data, len * sizeof(dst->data[0]));
}
dst->cnt = dst->cnt - (end-start) + len;
return CL_SUCCESS;
}